• Cyclins regulate the cell cycle in association with cyclin dependent kinases (CDKs). (biomedcentral.com)
  • CDKs are under inhibitory control of cyclin dependent kinase inhibitors (CDKIs). (biomedcentral.com)
  • The progression of cells through the cell cycle is regulated by a family of protein kinases known as the cyclin-dependent kinases (CDKs). (biomedcentral.com)
  • Cyclins function as the positive regulators of CDKs. (biomedcentral.com)
  • D-type and E-type cyclins assemble with CDKs during the G1 phase and these holoenzymes act as rate-limiting controllers to regulate passage through the restriction point and the subsequent onset of DNA replication [ 2 , 3 ]. (biomedcentral.com)
  • Cyclins and CDKs assemble into complexes with one another as cells progress through G1 phase, cyclins being required to activate the serine-threonine kinase activity of their catalytic partners. (biomedcentral.com)
  • Furthermore, CDK-activating kinase (CAK) phosphorylates cyclin-bound CDKs on a single threonine residue, a modification that is essential for their activity [ 6 - 9 ]. (biomedcentral.com)
  • Cyclin-dependent kinase inhibitors (CDKIs) are proteins that bind to and inhibit the activity of CDKs. (biomedcentral.com)
  • The interactions of cyclins, cyclin-dependent kinases (CDKs), and their inhibitors regulate cell cycle progression. (springeropen.com)
  • Cyclin-dependent kinases (CDKs) are key regulatory enzymes, each consisting of a catalytic CDK subunit and an activating cyclin subunit. (kegg.jp)
  • CDKs regulate the cell's progression through the phases of the cell cycle by modulating the activity of key substrates. (kegg.jp)
  • Precise activation and inactivation of CDKs at specific points in the cell cycle are required for orderly cell division. (kegg.jp)
  • Cyclin-dependent kinases (CDKs), are members of the serine-threonine protein kinase family and are responsible for taking control of cell cycle regulation in eukaryotic cells. (spandidos-publications.com)
  • CDKs show their action by interacting with cyclins and different CDK-cyclin complexes regulate the cell cycle in the G1, S and G2/M phases ( 1 ). (spandidos-publications.com)
  • CDKs belong to a large family of STKs that are regulated by their cognate cyclins. (umbc.edu)
  • The cyclin-dependent kinase (CDK) inhibitors p21 and p16 inhibit the activity of CDKs, such as CDK4. (medscape.com)
  • Cyclin-dependent kinases (CDKs) are serine/threonine protein kinases that act as key regulatory elements in cell cycle progression. (proteopedia.org)
  • The profiling of compound 51 against a panel of 339 kinases revealed high selectivity for CDKs, with preference for CDK2 and CDK5 over CDK9, CDK1, CDK4, and CDK6. (proteopedia.org)
  • When unreplicated or damaged DNA is present, cell cycle checkpoint pathways cause cell cycle arrest by inhibiting cyclin-dependent kinases (Cdks). (vt.edu)
  • In the absence of active Chk1, Cdc25A activates cyclin dependent kinases (Cdks) allowing the cell to progress into S or M phase. (vt.edu)
  • Embryogenesis involves orchestrated processes of cell proliferation and differentiation. (biologists.com)
  • Embryogenesis depends on the timely proliferation of progenitor cells and their subsequent differentiation into multiple cell types. (biologists.com)
  • Regulation of the timing of cell differentiation and cell fate choice are key issues for making organs of the right size, shape and cell composition. (biologists.com)
  • In many organs, cell proliferation and differentiation are antagonistically regulated by multiple basic helix-loop-helix (bHLH) activator and repressor genes. (biologists.com)
  • For example, in the developing nervous system of mouse embryos,progenitor cells proliferate and sequentially give rise to different types of cells by changing their differentiation competency. (biologists.com)
  • In this primer, we describe the key features of Hes factors and detail their roles in some representative processes of embryogenesis: namely, in the development of the nervous and digestive systems, two well-characterized processes, where Hes1 (and Hes3 and Hes5 in the nervous system) regulates cell proliferation and differentiation, and in the process of somite segmentation, where Hes7 functions as a biological clock. (biologists.com)
  • Precise control of cell cycle exit is vital during embryonic development, with defects in the pathways regulating intracellular D-type cyclins resulting in abnormal initiation of stem cell differentiation in a variety of different organ systems. (bvsalud.org)
  • Loss of both CDK4 and CDK2 increases neural stem cell differentiation. (rndsystems.com)
  • CDK6 plays an important role in cell differentiation. (umbc.edu)
  • Sequential rounds of division and differentiation give rise to an enormous amplification of cell numbers, necessary for the production of mature blood cells. (justia.com)
  • This process of division and differentiation is subject to regulation at many levels to control cell production. (justia.com)
  • Tight control of the cell cycle in eukaryotic cells exists to control proliferation, differentiation or apoptosis. (benthamscience.com)
  • Differentiation and apoptosis have cell cycle withdraw in common, while cancer and degenerative processes both show altered control of the cell cycle. (benthamscience.com)
  • Neuronal differentiation and cell-cycle programs mediate response to BET-bromodomain inhibition in MYC-driven medulloblastoma. (cancerindex.org)
  • Microarray analyses detected a suite of master developmental regulators that control differentiation and maintenance of diverse cell lineages. (biomedcentral.com)
  • We subsequently discuss how β-TCP can regulate osteogenic processes to aid bone repair/healing, namely osteogenic differentiation of mesenchymal stem cells, formation of blood vessels, release of angiogenic growth factors, and blood clot formation. (frontiersin.org)
  • Collectively, these data suggest that PTHrP(12-48) is a bioactive breast cancer-derived peptide that locally regulates the differentiation of hematopoietic cells and the activity of osteoclasts within the tumor-bone marrow microenvironment perhaps to facilitate tumor control of bone. (phoenixpeptide.com)
  • Transcription factors (TFs) are critical for B-cell differentiation, affecting gene expression both by repres- sion and transcriptional activation. (lu.se)
  • In this study, highly purified, flow-cytometry sorted, classified in relation to normal B-cell differentiation [1]. (lu.se)
  • Several hallmarks of cellular senescence, such as cell cycle arrest, expression of cyclin-dependent kinase inhibitors, DNA damages, and senescence-associated secretory profile were evaluated. (aging-us.com)
  • SnCs exhibit irreversible growth arrest accompanied by increased expression of cyclin-dependent kinase inhibitors (CDKi) such as p16 INK4a , and p21 Cip1 , accumulation of DNA damages, and secretion of diverse bioactive molecules known as the senescence-associated secretory phenotype (SASP). (aging-us.com)
  • Both proteins may play a role in UC progression and can have a value as prognostic and/or diagnostic markers of UC, as well as targeted therapies. (springeropen.com)
  • Survivin belongs to the family of inhibitors of apoptosis proteins (IAPs) that plays a pivotal role in mitotic progression, apoptosis inhibition, angiogenesis, progression of cancer, and invasion [ 5 ]. (springeropen.com)
  • D-type cyclins encode G1/S cell cycle checkpoint proteins, which play a crucial role in defining cell cycle exit and progression. (bvsalud.org)
  • ARA55, ARA54, ARA70, BRCA1, and heat-shock proteins) may allow cells to become independent of androgens (intrinsic activation). (aacrjournals.org)
  • Like Rb protein, many of the proteins encoded by tumor suppressor genes act at specific points in the cell cycle. (medscape.com)
  • Mutations in this gene as well as in its related proteins including D-type cyclins, p16(INK4a) and Rb were all found to be associated with tumorigenesis of a variety of cancers. (thermofisher.com)
  • The model was updated with additional interactions, such as those including Myt1, a second inhibitor kinase, and lamin proteins, which become phosphorylated at the onset of nuclear envelope breakdown (NEB) at entry into mitosis. (vt.edu)
  • Invadopodia are cancer cell protrusions rich in structural proteins (e.g. (biorxiv.org)
  • Transcripts found in unfertilized oocytes also encoded a large number of proteins implicated in cell adherence, tight junction and focal adhesion, suggesting high complexity in terms of structure and cellular interactions in embryos prior to midblastula transition (MBT). (biomedcentral.com)
  • The oocyte is loaded with maternal mRNAs and proteins that control the cell maintenance and fate and the formation of the body plan prior to the onset of zygotic genome expression [ 3 , 4 ]. (biomedcentral.com)
  • When FOXO1 is over expressed in human LNCaP prostate cancer cells, it causes apoptosis. (wikipedia.org)
  • Also, FOXO1 regulates TNF-related apoptosis-inducing ligand (TRAIL), which caused FOXO1-induced apoptosis in the human prostate cancer cell line LAPC4 when FOXO1 adenovirus-mediated overexpression was used. (wikipedia.org)
  • In type 2 diabetes the beta cells of the pancreas, which normally produce insulin undergo apoptosis, which greatly reduces insulin production. (wikipedia.org)
  • Survivin is an apoptosis inhibitor that is associated with tumor proliferation and invasion. (springeropen.com)
  • It is expressed in cancer cells during the G2/M phase of the cell cycle and counteracts apoptosis activation during mitosis by interfering with caspase activity [ 6 ]. (springeropen.com)
  • New anticancer therapy strategies refer to the inhibition of CDK-cyclin complexes as an important target to prevent uncontrolled proliferation and induce apoptosis in cancer cells ( 2 ). (spandidos-publications.com)
  • Although purvalanol-induced cell cycle arrest and apoptotic cell death were demonstrated in prostate ( 5 ), breast ( 6 ) and colon cancer cells ( 7 ), the exact molecular mechanism of purvanol-induced apoptosis has not been elucidated yet. (spandidos-publications.com)
  • Diminution of p53 by RNA interference induced necrosis instead of apoptosis in A549 cells following terpinen-4-ol treatment, indicating that terpinen-4-ol-elicited apoptosis is p53-dependent. (hindawi.com)
  • Collectively, these data provide insight into the molecular mechanisms underlying terpinen-4-ol-induced apoptosis in NSCLC cells, rendering this compound a potential anticancer drug for NSCLC. (hindawi.com)
  • Recent reports have indicated that terpinen-4-ol exerts its antitumor effects by triggering caspase-dependent apoptosis in human melanoma cells or by inducing necrotic cell death and cell-cycle arrest in mouse mesothelioma and melanoma cell lines without affecting normal cells [ 14 , 15 ]. (hindawi.com)
  • Our results indicated that terpinen-4-ol induced apoptosis through a mitochondria-mediated pathway in NSCLC cells and that the apoptosis elicited by terpinen-4-ol was p53 dependent. (hindawi.com)
  • To investigate the mechanism of EESR-mediated cytotoxicity, HT29 cells were treated with various concentrations of EESR and the induction of cell cycle arrest and apoptosis was analyzed by flow cytometry, 4,6-diamidino-2-phenylindole staining, and Western blot analysis. (jcpjournal.org)
  • EESR-induced apoptosis was associated with the upregulation of p53, a death receptor Fas, and a pro-apoptotic protein Bax and the activation of caspase 3, 8, and 9, resulting in the degradation of PARP. (jcpjournal.org)
  • EESR possessing antioxidant activity efficiently inhibits proliferation of HT29 cells by inducing both cell cycle arrest and apoptosis. (jcpjournal.org)
  • Cancer cells can grow unusually via limitless number of cell division and can avoid apoptosis. (jcpjournal.org)
  • 6 , 7 Therefore, the inhibition of cancer cell proliferation by inducing cell cycle arrest and apoptosis is being an important preventive strategy against cancer. (jcpjournal.org)
  • The aim of the present investigation was to elucidate the cellular mechanisms whereby Tanshinone IIA (Tan IIA) leads to cell cycle arrest and apoptosis in vitro in keratinocytes, the target cells in psoriasis. (hindawi.com)
  • Tan IIA inhibited proliferation of mouse keratinocytes in a dose- and time-dependent manner and induced apoptosis, resulting in S phase arrest accompanied by down-regulation of pCdk2 and cyclin A protein expression. (hindawi.com)
  • Furthermore, Tan IIA-induced apoptosis and mitochondrial membrane potential changes were also further demonstrated by DNA fragmentation, single-cell gel electrophoresis assay (SCGE), and flow cytometry methods. (hindawi.com)
  • Apoptosis was partially blocked by the caspase-3 inhibitor Ac-DEVD-CHO. (hindawi.com)
  • Mitochondrial regulation of apoptosis further downstream was investigated, showing changes in the mitochondrial membrane potential, cytochrome c release into the cytoplasm, and enhanced activation of cleaved caspase-3 and Poly ADP-ribose polymerase (PARP). (hindawi.com)
  • Therefore, based on clinical experience as well as cytotoxic activity against multiple human cancer cells, we hypothesized that induction of apoptosis is the underlying mechanism for the treatment of psoriasis. (hindawi.com)
  • The encoded protein responds to diverse cellular stresses to regulate expression of target genes, thereby inducing cell cycle arrest, apoptosis, senescence, DNA repair, or changes in metabolism. (cubebiosystems.com)
  • induces growth arrest or apoptosis depending on the physiological circumstances and cell type. (cubebiosystems.com)
  • LincRNA-p21 participates in TP53-dependent transcriptional repression leading to apoptosis and seem to have to effect on cell-cycle regulation. (cubebiosystems.com)
  • Western Blotting was used to determine the level of expression of CDC2 protein as measure to quantify down regulation of CDC2 expression along with use of flow cytometry to investigate effect of shRNAs on cell cycles and detection of apoptosis. (biomedcentral.com)
  • Retroviral vectors expressing short hairpin RNAs (shRNAs) against CDC2 caused efficient deletion of CDC2, cellular G2/M arrest concluding in apoptosis and inhibition of proliferation in human glioma cells U251 and SHG-44 cell lines ex vivo. (biomedcentral.com)
  • The TP53 gene is also capable of stimulating apoptosis of cells containing damaged DNA. (medscape.com)
  • TP53 activates the expression of genes involved in apoptosis, cell cycle regulation (p21), and MDM2. (medscape.com)
  • Compound 51 inhibited the proliferation of 13 out of 15 cancer cell lines with IC50 values between 0.27 and 6.9 muM, which correlated with the complete suppression of retinoblastoma phosphorylation and the onset of apoptosis. (proteopedia.org)
  • RT can directly induce cancer cell death through various mechanisms, such as apoptosis, necrosis, and autophagy. (nature.com)
  • Resveratrol could play a toxic role through inducing apoptosis of the cancer cell in a time- and concentration-dependent manner. (mdpi.com)
  • Interestingly, PTHrP(12-48) treatment dose-dependently suppressed osteoclastogenesis, via the induction of apoptosis in both OCL precursors as well as in mature OCLs, as measured by the activation of cleaved caspase 3. (phoenixpeptide.com)
  • In hepatic cells this transcription factor seems to increase the expression of PEPCK and glycogen-6-phosphatase (the same enzymes that are blocked via the metformin/AMPK/SHP pathway). (wikipedia.org)
  • Endogenous regulation of the cell cycle depends on phosphorylation and dephosphorylation of the cyclin- cyclin-dependent kinase (CDK)-cyclin-dependent kinase inhibitor (CDKI) pathway. (jcancer.org)
  • Cyclin-CDK inhibitors (CKIs), such as p16Ink4a, p15Ink4b, p27Kip1, and p21Cip1, are involved in the negative regulation of CDK activities, thus providing a pathway through which the cell cycle is negatively regulated. (kegg.jp)
  • Equipped with a mouse model of stress (5-HT1A-R-/- mice) and a 5-HT1A-R-expressing hippocampal neuron-derived cell line, HN2-5, our earlier studies have reported that a 5-HT1A-R-mediated signaling pathway functions via extracellular receptor-activated kinase 1/2 (ERK1/2)-catalyzed activation of protein kinase C alpha (PKC) to promote synaptogenesis at P15 in the hippocampal CA1 region [12,16]. (thetechnoant.info)
  • Our studies show that after being secreted into the extracellular matrix, CCN5 binds to the α6β1 integrins of the cells leading to inhibition of the PI3K-AKT signaling pathway. (ku.edu)
  • Increased sub-G1 population and annexin-V binding, activation of caspases 9 and 3, cleavage of poly(ADPribose) polymerase (PARP), and a decrease of mitochondrial membrane potential (MMP) indicated involvement of the mitochondrial apoptotic pathway in terpinen-4-ol-treated A549 and CL1-0 cells. (hindawi.com)
  • Thus, PD-1 targets Ras and PI3K/Akt signaling to inhibit transcription of Skp2 and to activate Smad3 as an integral component of a pathway that regulates blockade of cell cycle progression in T lymphocytes. (shu.edu)
  • Defects of the retinoblastoma protein (pRb)/cyclin-D1/p16 pathway have been shown to play a critical role in the development of human malignancies. (iiarjournals.org)
  • DNA damage increases TP53 levels through an ATM-dependent pathway. (medscape.com)
  • Wu M, Sun Y, Xu F, Liang Y, Liu H, Yi Y. Annexin A2 Silencing Inhibits Proliferation and Epithelial-to-mesenchymal Transition through p53-Dependent Pathway in NSCLCs. (jcancer.org)
  • Natural polyamines, putrescine, spermidine and spermine, play essential roles in the regulation of cell growth and proliferation. (spandidos-publications.com)
  • The defining characteristic of senescence is a highly stable cell cycle arrest, triggered by the up-regulation of cyclin-dependent kinase inhibitors such as p16 INK4a and p21 CIP1a . (rupress.org)
  • Involved in cell cycle regulation as a trans-activator that acts to negatively regulate cell division by controlling a set of genes required for this process. (cubebiosystems.com)
  • The H3K4 methyltransferase SETD1A plays a crucial role in leukemia cell survival through its noncatalytic FLOS domain-mediated recruitment of cyclin K and regulation of DNA damage response genes. (bvsalud.org)
  • CDK4 shuttles between the cytoplasm and nucleus as part of its role in cell cycle regulation. (rndsystems.com)
  • Abnormalities in cell cycle regulation are reported to be strongly associated with tumorigenesis and progression of tumors. (biomedcentral.com)
  • De-regulation of cell-cycle control, in particular G 1 - to S-phase transition, is implicated in the pathogenesis of most types of human cancer, including ovarian cancer ( 1 ). (iiarjournals.org)
  • Tumor protein p53, a nuclear protein, plays an essential role in the regulation of cell cycle, specifically in the transition from G0 to G1. (affbiotech.cn)
  • Zhao J, Kennedy BK, Lawrence BD, Barbie DA, Matera AG, Fletcher JA, Harlow E. NPAT links cyclin E-Cdk2 to the regulation of replication-dependent histone gene transcription. (proteopedia.org)
  • One goal of this work is to understand the developmental role and regulation of checkpoint signaling pathways due to its monitoring of DNA integrity within the cell. (vt.edu)
  • Of the 31 genes, the 21 upregulated genes were primarily associated with cell paracrine and intracellular signaling, transcription regulation and cell adhesion and migration, and their transcriptional products included transforming growth factor-β2 (TGF-β2), insulin-like growth factor-binding protein 2 and transcriptional factor AP-2α/γ ( 11 ). (spandidos-publications.com)
  • Using semi-quantitative reverse-transcription polymerase chain reaction (RT-PCR) and western blots experiments, we compared changes in ETS-1 and ETS-2 expression, their protein levels, and the regulation of some of their target gene expressions at different stages of the ocular tumoral progression in the transgenic mouse model, Tyrp-1-TAg, with those in normal eyes from control mice of the same age. (molvis.org)
  • In recent decades, it has been confirmed that tumor progression of GC is a multi-step process that involves the activation of oncogenes and the inactivation of tumor suppressor genes at different stages ( 7 , 8 ). (jcancer.org)
  • Uncontrolled cell proliferation is the hallmark of cancer, and genes that directly regulate the cell cycle are typically damaged in tumor cells ( 10 ). (jcancer.org)
  • The mammalian Hes basic helix-loop-helix repressor genes play central roles in these processes by maintaining progenitor cells in an undifferentiated state and by regulating binary cell fate decisions. (biologists.com)
  • In particular,the Hes bHLH repressor genes play an essential role in the development of many organs by maintaining progenitor cells and by regulating binary cell fate decisions. (biologists.com)
  • Without Hes genes such as Hes1 , however, progenitor cells prematurely differentiate into certain types of neurons only, and are depleted before they have proliferated sufficiently and generated all neuronal and glial cell types. (biologists.com)
  • In these processes, Hes genes function as effectors of Notch signaling, which coordinates cellular events via cell-cell interactions. (biologists.com)
  • Subsequently, T cells receiving PD-1 signals displayed impaired Cdk2 activation and failed to phosphorylate two critical Cdk2 substrates, the retinoblastoma gene product (Rb) and the TGFβ-specific transcription factor Smad3 , leading to suppression of E2F target genes but enhanced Smad3 transactivation (Figure 3). (shu.edu)
  • Genes necessary for cell cycle progression, such as E2F-dependent genes, are incorporated into the SAHF and are thereby silenced, contributing to the stability of the growth arrest. (rupress.org)
  • Although senescent cells repress proliferation-promoting genes, they also induce the gene program necessary for the implementation of senescence. (rupress.org)
  • One of the activated genes is an inhibitor of cyclin-dependent kinases. (cubebiosystems.com)
  • Cell-cycle-specific SETD1A restoration assays indicate that SETD1A expression at the G1/S phase of the cell cycle promotes both the expression of DNA damage response genes and cell cycle progression in leukemia cells. (bvsalud.org)
  • The CDKN2A/B locus contains genes encoding cell cycle inhibitors, including p16 Ink4a , which have not yet been implicated in the control of hepatic glucose homeostasis. (diabetesjournals.org)
  • The cell cycle is a complex process with myriad genes involved and elaborate and complex signaling mechanisms to allow for this critical cellular process. (biomedcentral.com)
  • Random set analysis was used to identify biological pathways enriched for genes differentially regulated in tumors (compared with 59 samples of normal mucosa). (biomedcentral.com)
  • Inactivation of tumor suppressor genes, whose products normally provide negative control of cell proliferation, contributes to malignant transformation in various cell types. (medscape.com)
  • Another important class of tumor suppressor genes involved in cell cycle control and in the generation of human cancers is the cyclin-dependent kinase (CDK) inhibitors. (medscape.com)
  • Numerous genes transcribed in oocytes are involved in multiple aspects of cell maintenance and protection, including metabolism, signal perception and transduction, RNA processing, cell cycle, defense against pathogens and DNA damage. (biomedcentral.com)
  • The major event of MBT was the activation of a large group of histones and other genes that modify chromatin structure preceding massive gene expression changes. (biomedcentral.com)
  • p21 and other tumor suppressor genes' inactivation are therefore most likely involved in the first steps of the cancer model, with later stages possibly involving protooncogene activation and inflammation. (medscape.com)
  • However, there is substantial evidence to suggest that there are other factors that mediate the interaction between FOXO1 and the PPARG promoter, and that inhibition of adipogenesis is not entirely dependent on FOXO1 preventing transcription of PPARG. (wikipedia.org)
  • In a quiescent state, it negatively regulates cell proliferation through the inhibition of the G1 to S phase transition to allow repair of DNA damages [ 7 ]. (springeropen.com)
  • Mechanistically, transcriptional activation of ER-α by CCN5 is also mediated by FOXO3A stabilization via PI3K-AKT inhibition. (ku.edu)
  • PD-1 inhibition (Figure 1) has quickly become a front-line therapy for non-small cell lung cancer and melanoma . (shu.edu)
  • The suppressive effect of PD-1 on Skp2 expression was mediated by inhibition of both PI3K/Akt and Ras/MEK/Erk pathways and was only partially reversed by IL-2, which restored activation of MEK/Erk but not Akt. (shu.edu)
  • Inhibition of both cyclin K and BuGZ/BUB3-binding motifs in SETD1A shows synergistic antileukemic effects. (bvsalud.org)
  • Inhibition of ZL55 cell proliferation by ADP was completely reversed by inhibiting MEK1/2, or JNK1/2, or PKC-δ, and PKC-α. (unisalento.it)
  • Through the inhibition of ADP-activated transductional kinases it was found that PKC-δ was responsible for JNK1/2 activation. (unisalento.it)
  • In particular, embodiments of the method involve inhibition of both Rac1 and Rac2 GTPases to increase the numbers of hematopoietic stem cells into a subject's peripheral blood of a subject. (justia.com)
  • Knockdown of Annexin A2 significantly suppressed cell proliferation and invasion of NSCLCs cells, and the biological effect of Annexin A2 on proliferation and invasion was mediated by the inhibition of p53, which in turn, promoted cell cycle progression and EMT. (jcancer.org)
  • Both the initiation and inhibition of cell division are triggered by events external to the cell when it is about to begin the replication process. (openstax.org)
  • PCNA is a co-factor of cyclin-D and it makes a complex with cyclin-D, a cyclin dependent kinase (CDK), and a cyclin dependent kinase inhibitor (CDKI). (biomedcentral.com)
  • Purvalanol is a purine-derived CDKI that binds with a high selectivity and competitively to the ATP binding side of CDK1/2 and leads to G2/M cell cycle arrest ( 4 ). (spandidos-publications.com)
  • Among them, the sirtuin, AMP-activated protein kinase, mammalian target of rapamycin, p53, and insulin/insulin-like growth factor-1 signaling pathways are most widely studied. (frontiersin.org)
  • Survival, growth, and proliferation of malignant cells are affected by changes in both pro-apoptotic and anti-apoptotic signaling pathways. (springeropen.com)
  • Eukaryotic cells respond to DNA damage by activating signaling pathways that promote cell cycle arrest and DNA repair. (kegg.jp)
  • Furthermore, poorer prognosis in cancer patients who display a glycolytic phenotype characterized by metabolic alterations, such as obesity and diabetes, is now well established, providing another link between metabolic pathways and cancer progression. (springer.com)
  • The activation of P2Y1 receptor by ADP leads to activation of intracellular transduction pathways involving [Ca(2+) ]i , PKC-δ/PKC-α, and MAPKs, ERK1/2 and JNK1/2. (unisalento.it)
  • This allowed us to distinguish between pathways whose dysregulation is probably necessary throughout tumorigenesis and those whose involvement specifically drives progression from one stage to the next. (biomedcentral.com)
  • S transition in the cell cycle, upregulated expression of tumor-promoting microenvironmental factors, and profound dysregulation of metabolic pathways (e.g., increased aerobic glycolysis, downregulation of pathways that metabolize drugs and xenobiotics). (biomedcentral.com)
  • A multitude of pathways control cyclin-dependent kinase activities as the major event for cell cycle progression. (benthamscience.com)
  • Serine/Threonine Kinases (STKs), Cyclin-dependent protein kinase 4 (CDK4) and CDK6-like subfamily, catalytic (c) domain. (umbc.edu)
  • CDK4 and CDK6 partner with D-type cyclins to regulate the early G1 phase of the cell cycle. (umbc.edu)
  • CDK4 and CDK6 are both expressed ubiquitously, associate with all three D cyclins (D1, D2 and D3), and phosphorylate the retinoblastoma (pRb) protein. (umbc.edu)
  • CDK4 and CDK6 show differences in subcellular localization, sensitivity to some inhibitors, timing in activation, tumor selectivity, and possibly substrate profiles. (umbc.edu)
  • Cyclin E forms complexes during this interval with CDK2. (biomedcentral.com)
  • p27 is a cyclin dependent kinase inhibitor that blocks the activity of Cyclin E-CDK2, which phosphorylates pRb, thereby ushering the cell from G1 into S phase through the Restriction point (Figure 2). (shu.edu)
  • It also blocks Cyclin A-CDK2 from further phosphorylating pRb to maintain S phase. (shu.edu)
  • The cyclin D1-Cdk4 complex phosphorylates the pRB protein leading to sequential phosphorylation by cyclin E-Cdk2 and release of free E2F. (shu.edu)
  • Cyclin E/CDK2 prevents oxidative stress-mediated Ras-induced senescence by phosphorylating MYC. (proteopedia.org)
  • NPM1 phosphorylation by cyclin E/CDK2 promotes its dissociates from unduplicated centrosomes, thus initiating centrosome duplication. (proteopedia.org)
  • Cyclin E/CDK2-mediated phosphorylation of NPAT at G1-S transition and until prophase stimulates the NPAT-mediated activation of histone gene transcription during S phase. (proteopedia.org)
  • We describe the development of highly potent diaminothiazole inhibitors of CDK2 (IC50 = 0.0009-0.0015 muM) from a single hit compound with weak inhibitory activity (IC50 = 15 muM), discovered by high-throughput screening. (proteopedia.org)
  • The activation of Chk1 by two time-dependent events in the cell cycle, the critical nuclear to cytoplasmic (N/C) ratio and the cyclin E/Cdk2 maternal timer are explored in this study. (vt.edu)
  • In addition, embryos were injected with Δ34Xic cyclin E/Cdk2 inhibitor, in order to disturb the maternal timer and tested for Chk1 activation and Cdc25A degradation. (vt.edu)
  • Both Chk1 and Cdc25A were unaffected by the disruption of the cyclin E/Cdk2 maternal time in the embryo. (vt.edu)
  • Therefore, the N/C ratio and the cyclin E/Cdk2 maternal timer do not affect Chk1 activation and therefore Cdc25A degradation. (vt.edu)
  • Purvalanol, a novel cyclin-dependent kinase inhibitor, is referred to as a strong apoptotic inducer which causes cell cycle arrest in various cancer cells such as prostate, breast and colon cancer cell lines. (spandidos-publications.com)
  • Here, we have shown that Cysteine-rich 61-Connective Tissue Growth Factor-nephroblastoma-overexpressed 5 (CCN5) induces growth arrest of TNBC cells in-vitro and in xenograft tumors. (ku.edu)
  • Also, we found that the CCN5-induced PI3K-AKT inactivation leads to stabilization and nuclear accumulation of P27KIP1 resulting in cell cycle arrest of TNBC cells. (ku.edu)
  • Initial observations indicate that CCN5 induces expression of P16INK4A and P19ARF, resulting in cell cycle arrest of the tumor cells. (ku.edu)
  • EESR induced cell cycle arrest at G2/M phase in a dose-dependent manner by modulating cyclin B, cyclin-dependent kinase 1 (CDK1), and CDK inhibitor p21 expression. (jcpjournal.org)
  • Whereas damage signals of cells activate p53 via CHK2 to repair damaged DNA, leading to cell cycle arrest. (jcpjournal.org)
  • Cellular senescence was first identified as a type of irreversible cell cycle arrest that occurs when cells reach the end of their replicative potential ( Hayflick and Moorhead, 1961 ). (rupress.org)
  • ERK1/2 increased p53 stabilization, required to G1 arrest of ZL55 cells. (unisalento.it)
  • Activation of p21 or p16 therefore causes cell cycle arrest. (medscape.com)
  • The p19ARF protein, which is encoded by the same locus as p16, also leads to cell cycle arrest by inhibiting the ability of MDM2 to inactivate TP53. (medscape.com)
  • Mechanistically, our studies showed that knockdown of Annexin A2 increased the expression of p53, which in turn, induced cell cycle G2 arrest and inhibited epithelial-to-mesenchymal transition (EMT). (jcancer.org)
  • Chk1 regulates cell cycle arrest in the presence of unreplicated DNA in somatic cells by phosphorylating Cdc25A and leading to its degradation. (vt.edu)
  • The activity of this kinase first appears in mid-G1 phase, which is controlled by the regulatory subunits including D-type cyclins and members of INK4 family of CDK inhibitors. (cancerindex.org)
  • In this study, the antitumor effects of terpinen-4-ol and the cellular and molecular mechanisms responsible for it were evaluated and studied, respectively on human nonsmall cell lung cancer (NSCLC) cells. (hindawi.com)
  • In addition, there is no report on the antitumor effects of terpinen-4-ol against human nonsmall cell lung cancer cells. (hindawi.com)
  • p16 Ink4a downregulation leads to an activation of PKA-CREB-PGC1α signaling through increased phosphorylation of PKA regulatory subunits. (diabetesjournals.org)
  • The activity of this kinase is restricted to the G1-S phase, which is controlled by the regulatory subunits D-type cyclins and CDK inhibitor p16(INK4a). (thermofisher.com)
  • The p21 family (p21, p27, p28 and p57) can bind to broad range of CDK-cyclin complexes and inhibit their activities. (biomedcentral.com)
  • 8 , 9 Cell cycle program is regulated by cyclin/cyclin-dependent kinase (CDK) complexes. (jcpjournal.org)
  • Activated complexes accumulate in the nucleus where they cooperate with DNA-binding cofactors to regulate target gene transcription. (shu.edu)
  • Direct modulation of the non-kinase functions of cyclin and CDK-cyclin complexes poses challenges. (bvsalud.org)
  • The p16INK4A protein is a cell-cycle inhibitor that acts by inhibiting activated cyclin D:CDK4/6 complexes, which play a crucial role in the control of the cell cycle by phosphorylating Rb protein. (medscape.com)
  • Insulin then causes the activation of PI3K, which subsequently phosphorylates Akt. (wikipedia.org)
  • In response to DNA damage, the checkpoint kinase ATM phosphorylates and activates Chk2, which in turn directly phosphorylates and activates p53 tumor suppressor protein. (kegg.jp)
  • The CDK4-cyclinD complex normally phosphorylates the retinoblastoma protein (Rb protein), leading to release of the E2F transcription factor and cell cycle progression. (medscape.com)
  • Historically, medulloblastoma tumors have been treated according to a morphology-based classification system that divides tumors into three principle histopathologic classes: classic, desmoplastic/nodular and large cell/anaplastic (LCA) [ 4 ]. (biomedcentral.com)
  • Aggressive tumors typically demonstrate a high glycolytic rate, which results in resistance to radiation therapy and cancer progression via several molecular and physiologic mechanisms. (springer.com)
  • Hypoxia and genetic defects that chronically drive proliferation leave such tumors dependent on a steady supply of nutrients, especially glucose. (springer.com)
  • Increasingly numerous results have demonstrated overexpression of CDC2/Cyclin B1 in various tumors however there is still no report of CDC2/Cyclin B1 expression in clinical samples from patients with gliomas. (biomedcentral.com)
  • B-cell lymphomas (BCLs) constitute a diverse set of tially identify new functional, diagnostic, and therapeutic tumors, both morphologically and clinically, that are mainly targets. (lu.se)
  • We found that mammary epithelium-specific overexpression of CCN5 in transgenic mice leads to an increase in ER-α expression and that this impact of CCN5 is not restricted to the normal cells. (ku.edu)
  • Thus, ras2G19V drives overexpression of the early G1 phase cyclin Cln3, yet Cln3 fails to induce normal transcription of late G1 phase cyclins, leading to delayed cell cycle entry and increased cell size. (bvsalud.org)
  • Cell cycle progression is faster in cells in which invadopodia are abolished (by Tks5 knockdown), evidenced by earlier induction of cyclins A and B. A close look at the regulators of G1 revealed that the overexpression of p27 kip1 , but not p21 cip1 , causes faster turnover of invadopodia and increased ECM degradation. (biorxiv.org)
  • 10 , 11 The major molecules responsible for G2/M transition are cyclin A /CDK1 and cyclin B/CDK1. (jcpjournal.org)
  • controls the timing of entry into mitosis/meiosis by controlling the subsequent activation of cyclin B/CDK1 by phosphorylation, and coordinates the activation of cyclin B/CDK1 at the centrosome and in the nucleus. (proteopedia.org)
  • In this review, we will summarize and compare the roles played by each D-type cyclin during development and provide examples of how their intracellular dysregulation can be an underlying cause of disease. (bvsalud.org)
  • The three germ layers and the body plan of the mature organism are established during gastrulation, and the period is characterized by extensive cell movements and intracellular communications [ 21 , 22 ]. (biomedcentral.com)
  • Work across many laboratories is geared toward elucidating the genetics behind cancer, discovering cellular mechanisms that lead to cancer, and elucidating intracellular and intercellular interactions that allow this progression. (medscape.com)
  • Mammary-specific expression of CCN5 in HER2 overexpressing mice delays tumor progression significantly and reduces the tumor burden. (ku.edu)
  • A vast amount of research exists on the possible molecular mechanisms through which vitamin D affects cancer cell proliferation, cancer progression, angiogenesis, and inflammation. (mdpi.com)
  • The sequential activation of the members of this family and their phosphorylation of certain substrates promotes the progression through the cell cycle. (biomedcentral.com)
  • Orderly progression through the cell cycle involves passage through sequential checkpoints. (shu.edu)
  • Cdk phosphorylation triggers sequential intramolecular interactions that progressively block Rb functions as cells move through G1. (proteopedia.org)
  • One study reported an increased survival benefit with simultaneous RT compared with sequential administration, 8 while another study found no significant difference between the two strategies, 9 possibly because simultaneous RT plus immunotherapy and the administration of an ICI before RT may kill cancer cells as well a substantial number of immune cells, leading to poor systemic response and toxic side effects. (nature.com)
  • They are also regulated by the INK4 family of inhibitors which associate with either the CDK alone or the CDK/cyclin complex. (umbc.edu)
  • In the currently accepted model, FOXO1 negatively regulates adipogenesis by binding to the promoter sites of PPARG and preventing its transcription. (wikipedia.org)
  • inositol-requiring enzyme 1 (IRE1α), PRKR-like ER kinase (PERK) and activating transcription factor-6 (ATF-6). (spandidos-publications.com)
  • Ionizing radiation together with ERalpha knock down results in additive effect on transcription of endogenous p53-target gene p21 (CDKN1) in human breast cancer cells. (nih.gov)
  • p53 is a DNA-binding protein containing DNA-binding, oligomerization and transcription activation domains. (affbiotech.cn)
  • Together, they are involved in the control of cell-cycle progression, transcription, and neuronal function. (umbc.edu)
  • As a transcription factor whose expression is increased by DNA damage, p53 blocks cell division at the G1 phase of the cell cycle to allow DNA repair. (medscape.com)
  • Inhibitory effect of EESR on cancer cell growth and proliferation was determined by water-soluble tetrazolium salt assay. (jcpjournal.org)
  • EESR showed significant antioxidant activity and inhibitory effect on HT29 cell growth in a dose-dependent manner. (jcpjournal.org)
  • The nucleotide potency profile and the blockade of the ADP-mediated inhibitory effect by the phospholipase C inhibitor U-73122 suggest that P2Y1 receptor controls ZL55 cell proliferation. (unisalento.it)
  • P15 INK4 is a cyclin dependent kinase inhibitor that blocks the activity of Cyclind-CDK4,6, inhibiting it from hypophosphorylating Rb, thereby, rendering the cell cycle unresponsive to external proliferation signals. (shu.edu)
  • In eukaryotes, the entry into mitosis is regulated by the activation of CDC2/Cyclin B1 complex (M-phase promoting factor, MPF). (biomedcentral.com)
  • Lack of ER-α expression in TNBC cells or loss of ER-α activation after endocrine treatment of luminal cancers makes these breast cancer cells resistant to tamoxifen and other endocrine therapies. (ku.edu)
  • Among lung cancers, nonsmall cell lung carcinomas (NSCLC) account for approximately 80% of lung cancer cases [ 1 ]. (hindawi.com)
  • Furthermore, stabilisation of D-type cyclins is observed in a wide range of disorders characterized by cellular over-proliferation, including cancers and overgrowth disorders. (bvsalud.org)
  • It could be divided into two categories, small cell lung cancers (SCLCs) and non-small cell lung cancers (NSCLCs). (jcancer.org)
  • NSCLCs including adenocarcinoma, squamous cell carcinoma and large cell carcinoma, constitute 80% of all lung cancers [ 2 ]. (jcancer.org)
  • In the present study, our aim was to determine the time-dependent, ER-mediated apoptotic and autophagy induction of purvalanol in HCT 116 colon cancer cells. (spandidos-publications.com)
  • However, the underlying mechanisms involved in the induction of genomic instability, genotoxicity, mutations and consequent increased cell proliferation are still a matter of intense research. (benthamscience.com)
  • Senescent cells also undergo dramatic changes in their morphology and in the organization and architecture of their cellular compartments. (rupress.org)
  • The TME consists of various cellular components, including immune cells, stromal cells, and extracellular matrix, along with soluble factors and signaling molecules. (biomedcentral.com)
  • Crucial role in orchestrating a fine balance between cellular proliferation, cell death, and DNA repair in human embryonic stem cells (hESCs). (proteopedia.org)
  • This is the multihit theory of tumorigenesis, in which a series of multiple triggering events in the genetic and cellular makeup of a cell ultimately cause cancer. (medscape.com)
  • To reveal the roles of CDC2/Cyclin B1 in human malignant gliomas, CDC2 in glioma cell line, it was down-regulated by retrovirus vectors expressing short hairpin RNAs (shRNAs) ex vivo and in vivo. (biomedcentral.com)
  • In recent years, cell cycle regulators have been shown to exhibit roles in both tumor suppression and tumor promotion, particularly cyclin-dependent kinase inhibitors (CKI) p27 kip1 and p21 cip1 14 . (biorxiv.org)
  • P27 is inactivated in cancer cells by various mechanisms including impaired synthesis, accelerated degradation, and mislocalization. (springeropen.com)
  • ATR-Chk1-mediated protein degradation of Cdc25A protein phosphatase is also a mechanism conferring intra-S-phase checkpoint activation. (kegg.jp)
  • We utilize hydrophobic tag (HyT) based small-molecule degraders induced degradation of cyclin T1 and its corresponding kinase partner CDK9. (bvsalud.org)
  • LL-CDK9-12 demonstrated the most potent and selective degradation ability, with DC50 values of 0.362â µM against CDK9 and 0.680â µM against cyclin T1. (bvsalud.org)
  • Embryos treated with aphidicolin, resulting in a halted replication fork and therefore a reduced DNA concentration, were tested for Chk1 activation and Cdc25A degradation. (vt.edu)
  • Chk1 and Cdc25A were observed to undergo activation and degradation, respectively, in embryos with a reduced DNA concentration. (vt.edu)
  • Two biochemical processes, protein phosphorylation/dephosphorylation and ubiquitin-mediated degradation drive cell cycle control. (benthamscience.com)
  • Degradation of maternal transcripts and zygotic genome activation is characterized by striking changes in the transcriptome profiles. (biomedcentral.com)
  • These events resulted in upregulation of the Cdk4/6 inhibitor p15 INK4B and repression of the Cdk-activating phosphatase Cdc25A. (shu.edu)
  • Calcineurin, a phosphatase enzyme, negatively regulates CDK4 by dephosphorylating Thr172. (rndsystems.com)
  • The focus of this study is the role of protein kinase Chk1 and the phosphatase Cdc25A in the DNA replication checkpoint. (vt.edu)
  • The checkpoint original model represents the activity of Cdc25 phosphatase on the mitosis promoting factor (MPF) that leads the cell into mitosis. (vt.edu)
  • however, purvalanol triggered autophagy, which functions as a cell survival mechanism at early time-points. (spandidos-publications.com)
  • Τheir impact on the apoptotic cell death mechanism requires further elucidation. (spandidos-publications.com)
  • Our findings reveal a novel mechanism for regulating p53 and suggest that suppressing p53 function is an important component in the pro-proliferative role of ERalpha. (nih.gov)
  • The objective of this study is to evaluate the antioxidant and anticancer effects of ethanol extract of S. rufopilosa (EESR) and to determine the molecular mechanism of its anticancer activity in human colon carcinoma HT29 cells. (jcpjournal.org)
  • However, the exact function and mechanism of Annexin A2 in tumor progression of NSCLCs have not been elucidated. (jcancer.org)
  • However, the exact function and mechanism of Annexin A2 in tumor progression of NSCLCs need to be further determined. (jcancer.org)
  • Catalytic domain of Cyclin-Dependent protein Kinase 4 and 6-like Serine/Threonine Kinases. (umbc.edu)
  • The CDK4/6-like subfamily is part of a larger superfamily that includes the catalytic domains of other protein STKs, protein tyrosine kinases, RIO kinases, aminoglycoside phosphotransferase, choline kinase, and phosphoinositide 3-kinase. (umbc.edu)
  • It is a catalytic subunit of the protein kinase complex that is important for cell cycle G1 phase progression. (thermofisher.com)
  • Extracellular nucleotides can regulate cell proliferation in both normal and tumorigenic tissues. (unisalento.it)
  • Here, we studied how extracellular nucleotides regulate the proliferation of ZL55 cells, a mesothelioma-derived cell line obtained from bioptic samples of asbestos-exposed patients. (unisalento.it)
  • second, results suggest that extracellular ADP may inhibit mesothelioma progression. (unisalento.it)
  • Metastasis is a complex, multi-step process that is initiated when cancer cells in the primary tumor acquire invasive properties, including motility and the ability to breakdown the extracellular matrix (ECM) 1 , and is responsible for the majority of cancer-related mortalities 2 . (biorxiv.org)
  • Accumulation of p27 in the nucleus, therefore, blocks cell cycle progression of T-lymphocytes that are being induced to act against cancer antigens. (shu.edu)
  • However, the accumulation of senescent cells can have detrimental consequences, such as in age-related pathologies. (rupress.org)
  • It is widely recognized that the accumulation of various harmful genetic alterations in normal cells may induce malignant cancer cells ( 1 ). (spandidos-publications.com)
  • The in silico prediction was confirmed by the lack of PTHrP(12-48)-stimulated cAMP accumulation in PTHR1-expressing human SaOS2 cells. (phoenixpeptide.com)
  • The CDK4/Cyclin D complex is also negatively regulated by p21/CIP1/CDKN1A and p27/Kip1. (rndsystems.com)
  • Moreover, PD-1 and PD-L1 inhibitors are being tested in combination with other checkpoint inhibitors, targeted therapies, cancer vaccines, monoclonal antibodies, and other modalities. (shu.edu)
  • Immunotherapy mainly includes immune checkpoint inhibitors (ICIs), such as inhibitors of PD-1 (programmed cell death 1)/programmed cell death ligand 1 (PD-L1). (nature.com)
  • We conducted a systematic review of the literature on the effects of vitamin D on ovarian cancer cell. (mdpi.com)
  • HCT 116 colon cancer cells were exposed to purvalanol, which activated ER stress via upregulation of PERK, IRE1α gene expression, eIF-2α phosphorylation and ATF-6 cleavage at early time-points in the HCT 116 colon cancer cells. (spandidos-publications.com)
  • Olomoucine, roscovitine and purvalanol are examples of CDK inhibitors (CDKIs) designed and investigated for their apoptotic potential on cancer cells ( 3 ). (spandidos-publications.com)
  • Increased levels of polyamines in cells are considered to be involved in cancer progression. (spandidos-publications.com)
  • Estrogen receptor-alpha (ERalpha) promotes proliferation of breast cancer cells, whereas tumor suppressor protein p53 impedes proliferation of cells with genomic damage. (nih.gov)
  • Patients with triple negative breast cancer (TNBC), where the cancer cells do not express nuclear hormone receptors and human epidermal growth factor receptor 2 (HER2), have worse survival rate compared to the patients with luminal subtypes of cancer. (ku.edu)
  • Collectively, these studies suggest that CCN5 restoration can be beneficial for the better management of breast cancer progression. (ku.edu)
  • The abnormal cell growth is one of the critical characteristics of cancer for invasion or spreading out to other parts of the body. (jcpjournal.org)
  • Most cancer cells have PD-L1 on their surface and escape being killed by turning off the T cell in this way. (shu.edu)
  • PD-1 expression by cancer cells blocks the proliferation of T-cells. (shu.edu)
  • Severe defects in cell size are a nearly universal feature of cancer cells. (bvsalud.org)
  • In prostate cancer cells, LL-CDK9-12 showed enhanced anti-proliferative activity than its parental molecule SNS032 and LL-K9-3, the previous reported CDK9-cyclin T1 degrader. (bvsalud.org)
  • In particular, the p16/cyclin-dependent kinase inhibitor 2A (CDKN2A) gene located on chromosomal region 9p21 frequently is altered in several types of cancer. (iiarjournals.org)
  • During colonoscopy, benign lesions of all sizes are routinely removed to prevent their progression toward cancer, and this provides a valuable source of tissues for molecular studies. (biomedcentral.com)
  • Studies with bortezomib (VELCADE, formerly known as PS-341) and other proteasome inhibitors indicate that cancer cells are especially dependent on the proteasome for survival, and several mechanisms used by prostate cancer cells require proteasome function. (aacrjournals.org)
  • Bortezomib has been studied extensively in vitro and in vivo , and anticancer activity has been seen in cell and animal models for several solid tumor types, including prostate cancer. (aacrjournals.org)
  • Likewise, in the early stages of prostate cancer, the growth of cancerous prostatic epithelial cells is often androgen dependent (3) . (aacrjournals.org)
  • i.e ., radiation or chemotherapy) provide temporary palliation, but eventually prostate cancer cells become resistant to chemotherapy and radiation, with ensuing failure to control tumor growth. (aacrjournals.org)
  • Several mechanisms have been proposed to account for the development of androgen independence in prostate cancer cells (4) . (aacrjournals.org)
  • This review examines how LSD1 modulates different cell behavior in TME and emphasizes the potential use of LSD1 inhibitors in combination with ICB therapy for future cancer research studies. (biomedcentral.com)
  • Currently, multiple LSD1 inhibitors are undergoing clinical trials and demonstrate considerable potential in the field of cancer treatment [ 12 ]. (biomedcentral.com)
  • It plays a crucial role in both immune activation and suppression within the context of cancer. (biomedcentral.com)
  • However, cancer cells exploit these checkpoints to evade immune surveillance and suppress antitumor immune responses. (biomedcentral.com)
  • Therefore, hematopoietic stem cells mobilized into a subject's peripheral blood by the method of the invention is useful as a source of donor cells in bone marrow transplantation for the treatment of a variety of disorders, including cancer, anemia, autoimmunity and immunodeficiency. (justia.com)
  • Étude de la régulation et du rôle de la voie de signalisation des MAP kinases ERK1/2 dans la prolifération et différenciation cellulaire, et implication dans la pathogénèse du cancer. (umontreal.ca)
  • Annexin A2 has been involved in cancer cell adhesion, invasion and metastasis. (jcancer.org)
  • RT-induced damage to cancer cells leads to different outcomes, such as survival, senescence, or death. (nature.com)
  • Patients who are radioresistant respond poorly to RT and may experience cancer progression. (nature.com)
  • In this review, we discuss the changes in irradiated cancer cells and immune cells in the TME under different RT regimens and describe existing and potential molecules that could be targeted to improve the therapeutic effects of RT. (nature.com)
  • In this study, by comparing the activity of normal cell lines and cancer cell lines after treating with resveratrol, it was found that resveratrol has more significant cytotoxicity in cancer cell lines. (mdpi.com)
  • CAFs provide cancer cells with nutrition and promote the proliferation, invasion and metastasis of cells ( 6 - 9 ). (spandidos-publications.com)
  • CAFs maintain their phenotype for numerous passages during culture in vitro without exposure to cancer cells, while NFs cannot be infinitely proliferous like cancer cells ( 10 ). (spandidos-publications.com)
  • Due to the critical role of CAFs during cancer progression, the genetic characterization of CAFs aids in the investigation of cancer therapy. (spandidos-publications.com)
  • Finally, CAFs promote cancer progression and act in cancer cell drug resistance. (spandidos-publications.com)
  • Tumor cell invasion and metastasis require cancer cells to be both proliferative and invasive, i.e. migrate through the tissue and assemble invadopodia. (biorxiv.org)
  • Deregulated cell cycle is a hallmark of cancer 12 . (biorxiv.org)
  • Finally, immunoprecipitation-mass spectrometry analyses using PTHrP1-17-specific antibodies establish that PTHrP1-17 is indeed generated by cancer cells. (phoenixpeptide.com)
  • Using a specific human PTHrP(12-48) antibody that we developed, PTHrP(12-48) was immunolocalized in primary and bone metastatic human breast cancer cells, as well as within human osteoclasts (OCL) in bone metastasis biopsies, with little or no localization in other resident bone or bone marrow cells. (phoenixpeptide.com)
  • In turn, as a result of research into the abnormal cancer cell, the basic understanding of the cell has greatly improved. (medscape.com)
  • Cancer is characterized by uncontrolled growth and division of a cell, with extension beyond the normally limiting basement membrane and through the boundaries of normal cells. (medscape.com)
  • [ 6 ] These events lead the cancer cell to escape normal cell growth and control mechanisms, to avoid system control mechanisms (ie, immunologic surveillance), and to establish a nutrient supply. (medscape.com)
  • In head and neck cancer, the histologic progression of severity from hyperplasia, dysplasia, and carcinoma in situ to invasion provides a framework to understand the genetic progression of cancer. (medscape.com)
  • The tumor suppressor gene p16/cyclin-dependent kinase inhibitor-2A (CDKN2A) is located within the chromosomal region 9p21 and encodes a cell-cycle protein that is an inhibitor of cyclin-dependent kinases (CDK)-4 and -6. (iiarjournals.org)
  • Hyperactive Ras also influences expression of G1 phase cyclins in mammalian cells, but the mechanisms remain unclear. (bvsalud.org)
  • When fast-dividing mammalian cells are grown in culture (outside the body under optimal growing conditions), the length of the cycle is about 24 hours. (openstax.org)
  • Upon complexing with AR, LSD1 demethylates the repressive H3K9 and thereby promotes gene activation [ 11 ]. (biomedcentral.com)
  • The activation function-2 (AF-2) domain of ERalpha and the C-terminal regulatory domain of p53 are necessary for the interaction. (nih.gov)
  • The activity of FOXO1 is also regulated through CBP induced acetylation on Lys-242, Lys-245, and Lys-262. (wikipedia.org)
  • Full holoenzyme activity of the cyclin D1-Cdk4 complex is induced by mitogen recruitment of CAK. (shu.edu)
  • CDK4 may be useful as a prognostic marker for hepatocellular carcinoma and its kinase activity has been reported to promote the progression of T cell acute lymphoblastic leukemia. (rndsystems.com)
  • There was a greater level of apoptotic activity in the airway biopsy in subjects with severe asthma as compared with the normal subjects using the TUNEL assay (p = 0.002), suggesting increased cell death. (atsjournals.org)
  • However, this activity is regulated in an androgen receptor (AR) dependent manner. (biomedcentral.com)
  • These therapies decrease a patient's white blood cell counts, suppress bone marrow hematopoietic activity, and increase the patient's risk of infection and/or hemorrhage. (justia.com)
  • This dynamic oscillatory behavior is regulated by the activity of ECM receptor integrin β1, which determines the length of time a cell spends in each state. (biorxiv.org)
  • This kinase, as well as CDK4, has been shown to phosphorylate, and thus regulate the activity of, tumor suppressor protein Rb. (cancerindex.org)
  • Next, we have shown that CCN5 protein can induce expression of estrogen receptor-α (ER-α) in mammary epithelial cells. (ku.edu)
  • The early preinvasive stage was characterized by cell-cycle checkpoint activation triggered by DNA replication stress and dramatic downregulation of basic transmembrane signaling processes that maintain epithelial/stromal homeostasis in the normal mucosa. (biomedcentral.com)
  • In bronchial biopsies from 21 normal subjects, 11 subjects with chronic bronchitis, 9 subjects with mild asthma, and 31 subjects with severe asthma, we evaluated epithelial cell morphology: epithelial thickness, lamina reticularis (LR) thickness, and epithelial desquamation. (atsjournals.org)
  • Androgens are necessary for normal prostate cell growth (1) , and in animal models, androgen ablation causes cell atrophy and death of prostate epithelial cells (2) . (aacrjournals.org)
  • In humans, the frequency of cell turnover ranges from a few hours in early embryonic development, to an average of two to five days for epithelial cells, and to an entire human lifetime spent in G 0 by specialized cells, such as cortical neurons or cardiac muscle cells. (openstax.org)