• During hypoxia, an intricate balance exists between factors that induce or counteract apoptosis, or even stimulate proliferation. (bmj.com)
  • In addition, cell proliferation and angiogenesis will be stimulated, enabling better oxygenation of the tissue. (bmj.com)
  • This suggests the possibility that strictly regulated self-renewal mediated by Wnt signaling in cancer cells may be disturbed by the SUMOylation pathway to allow more malignant proliferation. (frontiersin.org)
  • This issue is of particular relevance since changes in NO release could play an important role in endothelial function maintenance, in addition to regulating proliferation of smooth muscle cells, leukocyte adhesion, platelet aggregation, angiogenesis, thrombosis, vascular tone, and hemodynamics. (hindawi.com)
  • Results obtained indicate that both cannabidiol and Cannabis sativa extracts were able to halt cell proliferation in all cell lines at varying concentrations. (biomedcentral.com)
  • These compounds are almost structurally similar or possess identical pharmacological activities and offer various potential applications including the ability to inhibit cell growth, proliferation and inflammation [ 22 ]. (biomedcentral.com)
  • Increasing evidence indicates that EBV miRNAs target the host mRNAs involved in cell proliferation, apoptosis and transformation. (ijbs.com)
  • Long studied as a key component of the immune response, IκBζ emerges as an important regulator of inflammation, cell proliferation and survival. (oncotarget.com)
  • NF-κB ( Nuclear Factor kappa B ) is a ubiquitous family of transcription factors involved in biological processes such as inflammation, immunity, proliferation and apoptosis [ 1 - 3 ]. (oncotarget.com)
  • During the course of folliculogenesis, growth is achieved by cell proliferation and formation of follicular fluid, whereas development involves cytodifferentiation of all the cells and tissues in the follicle. (glowm.com)
  • In addition, compared to the mono-treatment, combination of Polo-like kinase 1 inhibition with anti-mitotic or DNA damaging agents boosts more severe mitotic defects, effectually triggers apoptosis and strongly inhibits proliferation of cancer cells with functional p53. (oncotarget.com)
  • Caspases, while dispensable for cell death during mitochondrial apoptosis, inhibit activation of pro-inflammatory pathways after MOMP. (nature.com)
  • EBV miRNAs also inhibit the expression of viral antigens, thereby enabling infected cells to escape immune recognition. (ijbs.com)
  • Accordingly, our laboratory has developed small molecule p75 NTR ligands that increase survival signaling and inhibit amyloid-β-induced degenerative signaling in in vitro studies. (plos.org)
  • ΔNp63α has been reported to transcriptionally inhibit the tumour suppression protein p53. (researchsquare.com)
  • The second subfamily of proteins (p105 and p100) has a C-terminal region that contains multiple copies of ankyrin repeats, instead of a transactivation domain, and can bind to and inhibit Rel proteins. (oncotarget.com)
  • [14] Another explanation of this observation is provided by a study that shows the ability of CXCL12 (and CCL2 ) producing tumors to entrain neutrophils that inhibit seeding of tumor cells in the lung. (wikidoc.org)
  • Likewise, dexamethasone can reduce cerebral cell apoptosis and inhibit inflammation [ 10 ,] and deferoxamine (DFX) provides new therapy target [ 11 ]. (karger.com)
  • [7] DR6 induces apoptosis when it is over expressed, however the manner in which the death signal is intracellularly transduced is currently unknown. (wikidoc.org)
  • SPIN1 ablation activates p53, suppresses cell growth, reduces clonogenic ability, and induces apoptosis of human cancer cells. (elifesciences.org)
  • The protein encoded by this gene is known to interact with cellular and viral survival-promoting proteins, such as BCL2 and the Epstein-Barr virus in order to enhance programmed cell death. (wikipedia.org)
  • Chromosomes are the cellular storage units for genes contained within the nucleus (which is the genetic center) of the cell and are analogous to a spool with the DNA or genetic message being the thread on the spool. (sarcomahelp.org)
  • SUMOylation of proteins is an important mechanism in cellular responses to environmental stress ( 21 , 22 ). (frontiersin.org)
  • DR6 is also thought to be involved in neurodegeneration in the brain that causes Alzheimer's disease as well as signal transduction in stress response and cellular survival. (wikidoc.org)
  • this results in cytoplasmic recruitment of a protein known as the Fas-associated death domain (FADD), followed by recruitment of procaspase 8 and procaspase 10 and resultant cellular apoptosis. (medscape.com)
  • The objectives of this study were to quantify alterations in protein expression in two HER2+ cellular models of breast cancer and to infer differentially regulated signaling pathways in these models associated with the hallmarks of cancer. (biomedcentral.com)
  • These results reveal that ciliary HH signaling mediates communication between the prechordal plate and the neurectoderm to provide cellular survival cues essential for development of the facial midline. (elifesciences.org)
  • The term "oncotarget" encompasses all molecules, pathways, cellular functions, cell types, and even tissues that can be viewed as targets relevant to cancer as well as other diseases. (oncotarget.com)
  • Our studies have demonstrated that several of the proteins encoded by cellular oncogenes function in fundamental aspects of gene regulation. (stanford.edu)
  • The presence of neoplastic islands, classified as large or small according to the number of cells in the ITF, has been described as the most aggressive pattern compared to tumors with a more uniform growth pattern, as tumor invasion occurs in a more widespread manner as cellular islands or single cells 4 . (nature.com)
  • Plk3 is expressed throughout the cell cycle and involved in cellular response to DNA damage [ 9 ]. (oncotarget.com)
  • The mechanisms of action by which RTX kills FL cells include complement-dependent cytotoxicity (CDC) ( 3 ), antibody-dependent cellular cytotoxicity (ADCC) ( 4 , 5 )-herein referred to as 'effector function' mechanisms-as well as CD20 signaling effects ( 6 ). (spandidos-publications.com)
  • and the intrinsic pathway, which is activated by cellular stress and is regulated primarily at the level of mitochondria by the Bcl-2 family of proteins ( Fig. 1 ). (biologists.com)
  • Therefore, maintenance of mitochondria activity is necessary for the proper cellular function and survival. (hindawi.com)
  • Cells express a pool of thousands of different proteins that need to be tightly controlled for proper cellular structure, organization, and function. (hindawi.com)
  • Moreover, mitochondria control cell death through apoptosis and supply Ca 2+ and metabolites required for cellular homeodynamics [ 3 ]. (hindawi.com)
  • Signaling is initiated when the Wnt ligand binds to the Frizzled receptor on the cell membrane and the LDL receptor-associated protein 5/6 (LRP5/6) co-receptor. (frontiersin.org)
  • [8] APP ( amyloid precursor protein ) is the natural ligand of DR6 and is first cleaved into Aβ and N-APP. (wikidoc.org)
  • The N-terminal domain of TLRs is associated with ligand binding. (fortunejournals.com)
  • In the absence of SHH, PTC and G Protein-coupled Receptor161 (GPR161) are located at the base of primary cilium (PC), while accumulation of SMO is diminished by transporting sterol-like SMO ligand outside by a 'tunnel' structure of PTC1. (regenmedres-journal.org)
  • CXCR4's ligand SDF-1 is known to be important in hematopoietic stem cell homing to the bone marrow and in hematopoietic stem cell quiescence . (wikidoc.org)
  • Understanding the regulation of apoptosis during hypoxia and the mechanisms of resistance to apoptosis might lead to more specific treatments for solid tumours. (bmj.com)
  • In this Commentary, we discuss the implications of these findings for the regulation of apoptosis by Bcl-2 family proteins. (biologists.com)
  • Apoptotic caspase activity inhibits cell death-associated inflammation. (nature.com)
  • As such, GCN2 is required for longevity and stress resistance induced by dietary restriction (DR). IMPACT is an ancient protein that inhibits GCN2. (biomedcentral.com)
  • p53 represses the promoter of Polo-like kinase 1, whereas Polo-like kinase 1 inhibits p53 and its family members p63 and p73 in cancer cells lacking functional p53. (oncotarget.com)
  • We have shown that clusterin directly interacts with TDP-43 in vitro and potently inhibits its aggregation, and observed that in ER stressed neuronal cells, clusterin co-localized with TDP-43 and specifically reduced the numbers of cytoplasmic inclusions. (biomedcentral.com)
  • Among various mechanisms, the uncoupling of nitric oxide synthase (NOS) in vascular cells has also widely been reported to be involved in ROS generation. (hindawi.com)
  • To avoid elimination by this mechanism, human papillomaviruses (HPV) have developed several mechanisms that enable the cells they infect to elude both extrinsic and intrinsic apoptosis. (mdpi.com)
  • In this manuscript, we review the current literature regarding how HPV-infected cells avoid apoptosis and the molecular mechanisms involved in these events. (mdpi.com)
  • Possible mechanisms for overcoming the resistance of HPV-infected tumor cells to anticancer drugs will be discussed. (mdpi.com)
  • While "protein ubiquitination" and "apoptosis signaling" pathways were common to both the cell lines, the observed patterns of protein expression suggest that the evasion of apoptosis in each tumorigenic cell line occurs via different mechanisms. (biomedcentral.com)
  • Tumor cells develop multiple and complex mechanisms to fully escape immune surveillance. (amegroups.org)
  • In this review, we summarize the biological function of MG53 with its potential mechanisms in cardiac tissue (Fig. 1 ), discuss current debates regarding the role of MG53 in diabetic cardiomyopathy (Table 1 ), and potential clinical applications of recombinant MG53 protein in the management and treatment of heart diseases (Table 2 ). (biomedcentral.com)
  • The development of isolation and culture methods for PSCs in 1998 helped to unravel the mechanisms involved in the process of pancreatic fibrogenesis (5, 11) and also helped researchers to investigate the functions of these cells both in health and disease. (pancreapedia.org)
  • harakiri, a novel regulator of cell death, encodes a protein that activates apoptosis and interacts selectively with survival-promoting proteins Bcl-2 and Bcl-X(L)". EMBO J. 16 (7): 1686-94. (wikipedia.org)
  • Death receptor 6 ( DR6 ), also known as tumor necrosis factor receptor superfamily member 21 ( TNFRSF21 ), is a cell surface receptor of the tumor necrosis factor receptor superfamily which activates the JNK and NF-κB pathways. (wikidoc.org)
  • This domain interacts with adaptor molecules and activates a cascade which regulates the inflammatory status in cells [12]. (fortunejournals.com)
  • High-throughput quantitative proteomic analysis has previously been used to identify differentially expressed proteins and pathways associated with breast tumor phenotypes [ 12 ]. (biomedcentral.com)
  • Using histopathology-guided discovery proteomics, we analyze neoplastic islands and stroma from the invasive tumor front (ITF) and inner tumor to identify differentially expressed proteins. (nature.com)
  • Furthermore, the Wnt/β-catenin can crosstalk with other signaling pathways including Notch, FGF, Hedgehog, and TGF-β/BMP signaling cascades to form a signaling network to regulate the survival and progression of cancer cells ( 14 - 16 ). (frontiersin.org)
  • Many of the pro-inflammatory pathways activated during cell death occur upon mitochondrial outer membrane permeabilization (MOMP), the pivotal commitment point to cell death during mitochondrial apoptosis. (nature.com)
  • For instance, mtDNA and bacterial DNA are highly similar thereby activating similar cell autonomous immune signalling pathways. (nature.com)
  • It has been determined that Bax translocation is necessary for the apoptosis triggered by DR6, but through an unknown pathway instead of the traditional pathways of intrinsic versus extrinsic. (wikidoc.org)
  • More specifically, substrates with certain FYVE domains (named after the first four proteins in this motif, Fab1, YotB, Vac1p, and EEA1) bind PIP, and these pathways have been implicated in vesicular trafficking or receptor-mediated endocytosis ( 5 ). (asm.org)
  • In particular, we will discuss the modifications in intrinsic and extrinsic apoptotic pathways caused by proteins encoded by HPV early genes. (mdpi.com)
  • Pathway inference tools were used to interpret these proteins in terms of functionally enriched pathways in the tumor cell lines. (biomedcentral.com)
  • We observed "protein ubiquitination" and "apoptosis signaling" pathways were both enriched in the two breast cancer models while "IGF signaling" and "cell motility" pathways were enriched in BT474 and "amino acid metabolism" were enriched in the SKBR3 cell line. (biomedcentral.com)
  • Our research focuses on developmental pathways that regulate hematopoietic cell growth and differentiation and are disrupted in the course of neoplastic transformation, particularly in leukemias and lymphomas. (stanford.edu)
  • The proteostasis network (PN) is an assembly of distinct dynamic molecular pathways that control the functionality of the proteome (proteome homeodynamics) during protein synthesis, folding, trafficking, and degradation. (hindawi.com)
  • It is most often associated with heterozygous mutations in the gene that encodes the Fas protein tumor necrosis factor receptor superfamily 6 ( TNFRSF6 ) and other related effector proteins that regulate lymphocyte survival. (medscape.com)
  • It encodes a protein that prevents separin from promoting sister chromatid separation during mitosis [ 3 ]. (biomedcentral.com)
  • The Hh gene family encodes a secreted protein that plays a critical regulatory role in the process of embryogenesis and environmental stabilization in adult tissues of invertebrates and vertebrates [ 44 ]. (regenmedres-journal.org)
  • Bcl-2-interacting killer is a protein that in humans is encoded by the BIK gene. (wikipedia.org)
  • The protein encoded by this gene is a member of the TNF-receptor superfamily. (wikidoc.org)
  • Knockout studies in mice suggested that this gene plays a role in T helper cell activation, and may be involved in inflammation and immune regulation. (wikidoc.org)
  • [ 1 ] In 1995, defective lymphocyte apoptosis secondary to mutations in the FAS gene was identified as a molecular basis for ALPS. (medscape.com)
  • This gene product is involved in cell cycle progression, p53-mediated apoptosis, transcription activator of several other oncogenes [ 4 ] and DNA repair [ 5 ]. (biomedcentral.com)
  • However, relating gene expression with the specific role that the corresponding protein plays in a signaling pathway is complicated by post-transcriptional control of protein expression [ 8 ] and tight regulation of protein activity [ 9 ]. (biomedcentral.com)
  • Enhancing HH signaling by decreasing the gene dosage of a negative regulator of the pathway, Ptch1 , decreased cell death and rescued the midface defect in both Tctn2 and Cc2d2a mutants. (elifesciences.org)
  • Huntington's disease is a genetic neurological disorder caused by a repeated expansion of the CAG trinucleotide, causing instability in the N-terminal of the gene coding for the Huntingtin protein. (benthamscience.com)
  • TP63 is a member of the tumour suppressor TP53 gene family, and ΔNp63α, a TP63 splicing variant, is constitutively expressed in the stem cell-containing basal layer of stratified epithelial tissues, including the mammary gland, where it plays a critical role in stemness and tissue development. (researchsquare.com)
  • We are studying the role that normal chromatin structure plays in gene regulation in hematopoietic cells and how its disruption leads to altered development and cancer. (stanford.edu)
  • C-X-C chemokine receptor type 4 ( CXCR-4 ) also known as fusin or CD184 (cluster of differentiation 184) is a protein that in humans is encoded by the CXCR4 gene . (wikidoc.org)
  • Cells will adapt by activating the expression of genes involved in metabolic adaptation, such as those involved in glycolysis. (bmj.com)
  • Humans have a duplicate set of 23 chromosomes (or a total of 46 chromosomes) in any given cell that carries all of the human genes. (sarcomahelp.org)
  • To resolve misconfigured cells we include a Bayesian fitted online artificial that is a different restriction to perform the genetic and the yeast genes, Qbeing P-splines. (scoutconnection.com)
  • Functional analyses indicated that some of the genes induced by dragonfly larvae caused an increase in laminins necessary for cell adhesion in the extracellular matrix. (biomedcentral.com)
  • the tadpoles showed reduced expression of cα(E)-catenin , small muscle protein, dystrophin , and myosin light chain genes. (biomedcentral.com)
  • After irradiation, the expression of DDR-related genes and proteins in ΔNp63α-expressing and control cells was analysed by RT-qPCR, Western blotting, and flow cytometry. (researchsquare.com)
  • Transcriptomic analysis showed decreased RNA expression of cell cycle-related genes and increased expression of programmed cell death-related genes in sip63 cells compared to scr cells. (researchsquare.com)
  • This mechanism also applies to hematopoietic cells transformed by other HOX genes, including CDX2, which is highly expressed in a majority of acute myeloid leukemias, thus providing a molecular approach based on GSK-3 inhibitory strategies to target HOX-associated transcription in a broad spectrum of leukemias. (stanford.edu)
  • Acanthamoeba -mediated brain endothelial cell death was abolished using LY294002, a phosphatidylinositol 3-kinase inhibitor. (asm.org)
  • Through this constitutive activity, NF-κB p50/p65 acts in tumors mainly as an inhibitor of apoptosis [ 8 , 14 ]. (oncotarget.com)
  • We present an overview of our prospective fibroblast-activation protein inhibitor (FAPI) registry study across a 3-y period, with head-to-head comparison of tumor uptake in 68Ga-FAPI and 18F-FDG PET, as well as FAP immunohistochemistry. (bvsalud.org)
  • The proteases involved are of different origins and types: (i) present as precursor in plasma, (ii) secreted into the plasma by activated platelets or other blood cells, or (iii) intracellularly activated and cleaving cytosolic receptor domains. (frontiersin.org)
  • This receptor has been shown to activate NF-κB and MAPK8 / JNK , and induce cell apoptosis . (wikidoc.org)
  • Through its death domain , this receptor interacts with TRADD protein, which is known to serve as an adaptor that mediates signal transduction of TNF-receptors. (wikidoc.org)
  • [2] The DR6 is an alpha-helical integral membrane receptor protein that shows evidence that it has something to do with the inhibition of blood vessels forming on tumors which would allow them to grow larger. (wikidoc.org)
  • Death receptor 6 gets a chemical message and starts a signaling pathway that causes apoptosis, also known as cell death, to occur. (wikidoc.org)
  • Mice homozygous for Fas mutations develop hypergammaglobulinemia, glomerulonephritis, massive lymphadenopathy, and expansion of an otherwise rare population of T-cell receptor (TCR) α/β cells that lack expression of both CD4 and CD8 (double-negative T [DNT] cells). (medscape.com)
  • On the other hand, the C-terminal which is the cytoplasmic domain of TLRs has a homology with interleukin type-1 receptor (IL-1R), known as Toll 1L-1R receptor (TIR) domain [11]. (fortunejournals.com)
  • Drugs that block the CXCR4 receptor appear to be capable of "mobilizing" hematopoietic stem cells into the bloodstream as peripheral blood stem cells . (wikidoc.org)
  • Expression of this receptor in cancer cells has been linked to metastasis to tissues containing a high concentration of CXCL12, such as lungs, liver and bone marrow. (wikidoc.org)
  • Because its activity is suppressed in the presence of survival-promoting proteins, this protein is suggested as a likely target for antiapoptotic proteins. (wikipedia.org)
  • Abnormally activated Wnt/β-catenin signaling pathway plays a crucial role in promoting malignant tumor occurrence, development, recurrence, and metastasis, particularly in cancer stem cells. (frontiersin.org)
  • Studies have shown that the Wnt/β-catenin signaling pathway controls cell fate and function through the transcriptional and post-translational regulation of omics networks. (frontiersin.org)
  • SUMOylation is a post-translational modification of proteins that has been found to play a major role in the Wnt/β-catenin signaling pathway. (frontiersin.org)
  • Proteins associated with the Wnt/β-catenin pathway have been identified as SUMOylated substrates, and evidences suggested that the initiation and progression of cancers depended on the function of the SUMOylation ( 23 ). (frontiersin.org)
  • This is known as the extrinsic pathway of apoptosis. (medscape.com)
  • The extrinsic pathway of apoptosis. (medscape.com)
  • 2011. Human papillomavirus type 16 E6 induces cervical cancer cell migration through the p53/microRNA-23b/urokinase-type plasminogen activator pathway. (virosin.org)
  • Concomitant with the reduction of HH pathway activity, Tctn2 mutants exhibited increased cell death in the neurectoderm and facial ectoderm, culminating in a collapse of the facial midline. (elifesciences.org)
  • The General Control Nonderepressible 2 (GCN2) kinase is a conserved member of the integrated stress response (ISR) pathway that represses protein translation and helps cells to adapt to conditions of nutrient shortage. (biomedcentral.com)
  • IκBζ, an atypical member of the nuclear IκB family of proteins, is expressed at low levels in most resting cells, but is induced upon stimulation of Toll-like/IL-1 receptors through an IRAK1/IRAK4/NFκB-dependent pathway. (oncotarget.com)
  • The SHH pathway should be off at most of the time, by the inhibition of specific factors such as Patched 1 (PTC1), Protein Kinase A (PKA), Casein Kinase1 (CK1), and Glycogen Synthase Kinase 3 beta (GSK3b), and only valid at precise time points [ 98 ]. (regenmedres-journal.org)
  • The intrinsic apoptotic pathway is initiated in response to a variety of stress signals ( Willis and Adams, 2005 ), and a complex interplay of Bcl-2 proteins relays this signal to the mitochondrial outer membrane (OM) to initiate Bak and Bax activation, oligomerisation and OM damage ( Fig. 1 ). (biologists.com)
  • However, in certain cell types, the extrinsic pathway also induces mitochondrial damage by cleaving the pro-apoptotic Bcl-2 family protein Bid to its activated truncated form (tBid), which leads to Bak and Bax activation. (biologists.com)
  • Ribosomal proteins (RPs) play important roles in modulating the MDM2-p53 pathway. (elifesciences.org)
  • it still remains to be determined if there are more proteins that can regulate the RPs-MDM2-p53 pathway. (elifesciences.org)
  • Mitochondria have recently emerged as key drivers of inflammation associated with cell death. (nature.com)
  • In this review, we discuss how mitochondria can initiate inflammation during cell death highlighting parallels with bacterial activation of inflammation. (nature.com)
  • Moreover, we discuss the roles of mitochondrial inflammation during cell death and how these processes may potentially be harnessed therapeutically, for instance to improve cancer treatment. (nature.com)
  • Mitochondrial-driven inflammation can enhance the immunogenicity of cell death. (nature.com)
  • Is mitochondrial-driven inflammation during cell death driven by bacterial-like DAMPs? (nature.com)
  • What physiological functions has mitochondrial inflammation during cell death? (nature.com)
  • 3- 5 Therefore, during severe hypoxia or anoxia, the cell initiates a cascade of events that leads to apoptotic cell death, thereby preventing the accumulation of cells with hypoxia induced mutations. (bmj.com)
  • [9] WHIM like mutations in CXCR4 were recently identified in patients with Waldenstrom's macroglobulinemia , a B-cell malignancy. (wikidoc.org)
  • 7 Severe hypoxia in the presence of energy stimulates cells to undergo apoptosis, whereas oxygen levels above 0.5% prevent cell death. (bmj.com)
  • Many of the current efforts regarding anti-cancer drug development are focused on directing tumor cells to undergo apoptosis. (mdpi.com)
  • p100 and p105 can however undergo limited proteolysis to generate p52 and p50, respectively, which can form heterodimers with Rel proteins to form transcriptional activators [ 5 ]. (oncotarget.com)
  • In line with this notion, mitochondria are highly dynamic organelles that undergo fission and fusion and move into the cell along the microtubules to generate the mitochondrial network [ 6 ]. (hindawi.com)
  • Post transcriptional modifications of this protein include glycosylation on the aspargenines at the 82, 141, 252, 257, 278, and 289 amino acid locations. (wikidoc.org)
  • These are frequently activated by fusion to other transcriptional proteins resulting in chimeric transcription factors. (stanford.edu)
  • We are studying the effects and consequences of protein fusion on the transcriptional and transforming activities of these proteins using in vitro and animal models. (stanford.edu)
  • We demonstrate here that GSK-3 maintains the MLL leukemia stem cell transcriptional program by promoting the conditional association of CREB and its coactivators TORC and CBP with homedomain protein MEIS1, a critical component of the MLL-subordinate program, which in turn facilitates HOX-mediated transcription and transformation. (stanford.edu)
  • This review focuses on emerging topics encompassing the functional involvement of aquaporin channel proteins (AQPs) and membrane transport systems, also allowing permeation of NO and hydrogen peroxide, a major ROS, in oxidative stress physiology and pathophysiology. (hindawi.com)
  • Throughout the years, ROS and NO have been widely considered to enter cells by freely diffusing through the cell membrane lipid bilayer and not via specific transporters or channels. (hindawi.com)
  • This notion has been challenged by the discovery of new membrane transport functions, especially those exerted by aquaporins (AQPs), a family of membrane channel proteins widespread in nature [ 10 , 11 ]. (hindawi.com)
  • This review focuses on an emerging topic, the functional involvement of AQPs in ROS membrane transport, with specific regard to the movement of hydrogen peroxide and NO into and out of cells, in both health and oxidative stress-induced diseases. (hindawi.com)
  • Mitsugumin 53 (MG53), also known as TRIM72, is a TRIM family protein that was found to be involved in cell membrane repair and primarily found in striated muscle. (biomedcentral.com)
  • Mitsugumin-53 (MG53), also known as TRIM72, is a cell membrane repair protein that is part of the tripartite motif family of proteins. (biomedcentral.com)
  • Following acute membrane damage, MG53 senses an oxidized intracellular environment and forms an oxidation-dependent oligomerization repair complex by tethering to phosphatidylserine domains present on intracellular vesicles and in the inner aspect of the plasma membrane [ 4 ]. (biomedcentral.com)
  • Since cardiomyocytes are terminally differentiated cells with limited self-renewal capacity, and membrane rupture is a major cause of cardiomyocyte cell death following injury, membrane repair is a necessary process for preserving cardiomyocyte viability [ 6 ]. (biomedcentral.com)
  • Mitochondrial outer membrane permeabilisation (MOMP) is the point of no return in many forms of apoptotic cell death. (biologists.com)
  • The current development of anti-cancer agents that target the Bcl-2 protein family is showing considerable promise, although how this targeting triggers Bak and Bax to perform their crucial function of mitochondrial outer membrane permeabilisation (MOMP) is not clear. (biologists.com)
  • For instance, the association of mitochondria with the endoplasmic reticulum (ER), in a juxtaposition known as Mitochondria-Associated Membrane (MAM), has an important role in controlling mitochondria biogenesis, Ca 2+ release, and lipid synthesis and apoptosis [ 10 , 11 ]. (hindawi.com)
  • Anaplastic large cell lymphomas (ALCLs) are distinguished from other lymphomas by their anaplastic cytology and constant membrane expression of the CD30 antigen (an activation marker for B or T cells). (medscape.com)
  • Huntingtin contains a few domains that suggest particular functions, including WW domains and caspase cleavage sites ( 7 , 8 ), but the function of the protein remains unknown. (jci.org)
  • ALPS-related disorders have features similar to those of ALPS but have several additional characteristics, such as additional defective T-, B-, and natural killer (NK)-cell activation in caspase 8 deficiency state (CEDS), or are missing required diagnostic features, such as an elevated number of DNT cells, as seen in RAS-associated autoimmune leukoproliferative disease (RALD). (medscape.com)
  • They further revealed that apoptosis was induced by cannabidiol as shown by increased subG0/G1 and apoptosis through annexin V. Apoptosis was confirmed by overexpression of p53, caspase 3 and bax. (biomedcentral.com)
  • Apoptosis induction was further confirmed by morphological changes, an increase in Caspase 3/7 and a decrease in the ATP levels. (biomedcentral.com)
  • High serum level of CA125 is used as an indicator of tumor abdominal involvement, advanced staging, relapse rates and survival in NHL patients ( 8 - 12 ). (spandidos-publications.com)
  • Cannabis sativa in particular cannabidiol, we propose it plays important role in helping the body fight cancer through inhibition of pain and cell growth. (biomedcentral.com)
  • Thus, inactive p53 is not associated with a susceptible cytotoxicity of Polo-like kinase 1 inhibition and could rather foster the induction of polyploidy/aneuploidy in surviving cells. (oncotarget.com)
  • Mechanistically, SPIN1 sequesters uL18 in the nucleolus, preventing it from interacting with MDM2, and thereby alleviating uL18-mediated inhibition of MDM2 ubiquitin ligase activity toward p53. (elifesciences.org)
  • Post-translational modifications (PTMs) of proteins, including phosphorylation, acetylation, ubiquitination, and SUMOylation, can regulate the function of proteins, determine the active state and subcellular location of proteins, and dynamically interact with other proteins related to carcinogenesis and progression ( 17 - 20 ). (frontiersin.org)
  • 1) Characterize novel families of oncoproteins (Pbx and Meis) that dimerize with and regulate the DNA binding properties of Hox proteins. (stanford.edu)
  • For example, the epithelial−mesenchymal transition phenotype presents more cells with a lower degree of differentiation and greater cell dissociation in the ITF than in other tumor areas 14 , 15 . (nature.com)
  • DHH/PTC1 signaling triggers differentiation of Leydig cells by up-regulating Steroidogenic Factor 1 and expression of cytochrome P450 Side-Chain Cleavage enzyme located outside testicular cord [ 145 ]. (regenmedres-journal.org)
  • According to the risk classification, there are different therapeutic approaches for NB patients, such as observation, surgical tumor removal, chemo- and radiotherapy, autologous hematopoietic stem cell transplantation (AHSCT), differentiation therapy, and immunotherapy [ 7 ] . (encyclopedia.pub)
  • This family of proteins comprises two subfamilies that share a DNA-binding and dimerization domain called the Rel homology domain (RHD) [ 4 ] and form homo- or hetero- dimers. (oncotarget.com)
  • 2014. Are common fragile sites merely structural domains or highly organized "functional" units susceptible to oncogenic stress? (virosin.org)
  • Cancer progression is mainly driven by the expansion of tumor cells, but tumor microenvironment and anti-tumor immunity may also play a role. (amegroups.org)
  • Apoptosis regulatory proteins are delicately balanced. (bmj.com)
  • In contrast to genomic-based assays, proteomics provides an attractive platform to profile this regulatory layer of protein activity and differences in the level of protein expression [ 10 ]. (biomedcentral.com)
  • These cells can produce immunosuppressive cytokines and the recruitment of inhibitory and regulatory cell types, decrease expression of antigens, lose expression of MHC class I molecules, have an aberrant antigen processing, cause anergy or deletion of T cells, and generate the dysfunction of dendritic cells (DCs) ( 5 - 8 ). (amegroups.org)
  • E7 from human papil omavirus type 16 cooperate to cancer: the European prospective investigation into doi:10.1093/carcin/bgp321 PMID:20047954 target the PDZ protein Na/H exchange regulatory cancer and nutrition study. (who.int)
  • While the origin of these tumors is still not definitively known, the two theories with the most support suggest that these tumors arise from a primitive cell derived either from an embryologic tissue called the neural crest, or from resident cells in the body (called mesenchymal stem cells) that have a capability to become one of a variety of tissue types. (sarcomahelp.org)
  • Tumors in the Ewing's family of sarcomas are made of primitive cells, which are cells that haven't yet decided what type of cell they are. (sarcomahelp.org)
  • Tumor cells can induce, through exposition of amyloid precursor protein (APP), DR6-mediated endothelial cell necroptosis allowing tumors metastasis. (wikidoc.org)
  • Relevant information has now been established on solid tumors and their micro-environments, which include immune, endothelial and mesenchymal cells. (fortunejournals.com)
  • N-APP is the fragment that interacts with DR6 to trigger axonal degradation in Alzheimer's patients. (wikidoc.org)
  • The ability of the host to trigger apoptosis in infected cells is perhaps the most powerful tool by which viruses can be cleared from the host organism. (mdpi.com)
  • Ionizing radiation is well known to induce oxidative DNA damage, such as DNA double-strand breaks (DSBs), and consequently trigger the DNA damage response (DDR), including cell cycle arrest and apoptosis. (researchsquare.com)
  • Transport of NO and ROS by AQPs would be required for cell homeostasis to play a critical role in maintaining endothelial function. (hindawi.com)
  • Extracellular CLU-client protein complexes are susceptible to endocytic clearance by monocytes and hepatocytes, and this action is thought to form a central plank in the operation of a co-ordinated system to maintain extracellular protein homeostasis (proteostasis) [ 14 ]. (biomedcentral.com)
  • In other words, the term homeostasis fails to illustrate the dynamic, adapting, and thus constantly remodelling nature of biological systems which determines survival (see also Rattan, 2014 and Demirovic and Rattan, 2013) [ 4 , 5 ]. (hindawi.com)
  • Intriguingly, EBV miRNAs directly suppress host antiviral immunity by interfering with antigen presentation and immune cell activation. (ijbs.com)
  • As a consequence, they cannot directly activate the specific CD4+ T cell-mediated tumor immunity, which is essential for the development of adaptive immune responses. (amegroups.org)
  • In innate immunity, immune cells are activated by their pattern recognition receptors (PRRs), which bind to pattern molecules of invading pathogens. (fortunejournals.com)
  • In health, PSCs are known to not only play a role in regulating normal extracellular matrix turnover but are also thought to have progenitor cell functions as well as a role in innate immunity. (pancreapedia.org)
  • 2006. Accelerated degradation of FADD and procaspase 8 in cells expressing human papilloma virus 16 E6 impairs TRAIL-mediated apoptosis. (virosin.org)
  • It is best known for its intracellular role in targeting ubiquitylated proteins for degradation via the ubiquitin proteasome system. (wikidoc.org)
  • G-CSF is a growth factor for neutrophils (a common type of white blood cells), and may act by increasing the activity of neutrophil-derived proteases such as neutrophil elastase in the bone marrow leading to proteolytic degradation of SDF-1. (wikidoc.org)
  • However, during injury, the equilibrium between production and degradation of fibrous tissue is disrupted leading to excessive deposition of extracellular matrix proteins resulting in fibrosis. (pancreapedia.org)
  • We have examined in this study whether or not increased expression of clusterin is able to protect neuronal cells against intracellular protein aggregation and cytotoxicity, characteristics that are strongly implicated in a range of neurodegenerative diseases. (biomedcentral.com)
  • The key regulator of this process, hypoxia inducible factor 1 (HIF-1), can initiate apoptosis by inducing high concentrations of proapoptotic proteins, such as BNIP3, and can cause stabilisation of p53. (bmj.com)
  • 3) We are defining the properties of cancer stem cells that initiate and sustain the unique disease features of acute leukemias through the use of various adoptive animal models. (stanford.edu)
  • NFPs are mainly found in bacteria where formyl modified methionine initiates protein synthesis [ 7 ]. (nature.com)
  • In this review, we summarize some recent findings on HPV-associated carcinogenesis, such as miRNAs in HPV-associated cancers, implication of stem cells in the biology and therapy of HPV-positive cancers, HPV vaccines, targeted therapy of cervical cancer, and drug treatment for HPV-induced intraepithelial neoplasias. (virosin.org)
  • In addition, Wnt/β-catenin has emerged as a critical regulator of cancer stem cells (CSCs), which is considered one of the root causes of cancer recurrence and metastasis because of their heterogeneity and plasticity ( 13 ). (frontiersin.org)
  • This p53-repressive activity may cause genomic instability in epithelial stem cells exposed to radiation. (researchsquare.com)
  • To elucidate the role of the p53-repressive effect of ΔNp63α in radiation response, we performed a p63-siRNA knockdown experiment using human mammary epithelial cells (HMECs) expressing ΔNp63α and then performed ectopic and entopic expression experiments using human induced pluripotent stem cells (hiPSCs). (researchsquare.com)
  • Taken together, these results indicate that ΔNp63α represses p53-related radiation-induced DDR, thereby potentially causing genomic instability in epithelial stem cells. (researchsquare.com)
  • Peripheral blood stem cell mobilization is very important in hematopoietic stem cell transplantation (as a recent alternative to transplantation of surgically harvested bone marrow ) and is currently performed using drugs such as G-CSF . (wikidoc.org)
  • It is a very efficient inducer of hematopoietic stem cell mobilization in animal and human studies. (wikidoc.org)
  • Higher DNA damage, p53 overexpression, greater delay in cell kinetics and lower GSH levels in peripheral blood lymphocytes have been demonstrated in heavy RAN chewers than in non-chewers [ 8 ]. (biomedcentral.com)
  • Low ATP concentrations in hypoxic tumour cells disable the apoptotic cascade and induce cell death by necrosis. (bmj.com)
  • In conclusion, these data suggest that cannabidiol rather than Cannabis sativa crude extracts prevent cell growth and induce cell death in cervical cancer cell lines. (biomedcentral.com)
  • We recently reported that a key step leading to Bak homo-oligomerisation following an apoptotic stimulus involves transient exposure of the Bak BH3 domain before it binds to the hydrophobic groove of another activated Bak molecule to form a novel symmetric dimer. (biologists.com)
  • Mitochondria, with rare exceptions, are found in all eukaryotic cells. (nature.com)
  • [3] Ubiquitin is a small (76-amino acid) protein highly conserved among eukaryotic cells. (wikidoc.org)
  • Mitochondria are highly dynamic organelles that provide essential metabolic functions and represent the major bioenergetic hub of eukaryotic cell. (hindawi.com)
  • Mitochondria are the energy producing organelles in eukaryotic cell providing ATP through oxidative phosphorylation (OXPHOS). (hindawi.com)
  • This is the first demonstration that Acanthamoeba -mediated brain microvascular endothelial cell death is dependent on phosphatidylinositol 3-kinase. (asm.org)
  • Western blot analysis of HD brain tissue shows full-length huntingtin protein in the nuclear fraction as well as abundant immunopositive bands at lower molecular weight, suggesting proteolytic products in the nucleus. (jci.org)
  • In addition to these basic issues concerning leukemia pathogenesis, we are devising new diagnostic procedures for detecting and monitoring leukemia patients based on molecular genetic abnormalities in the malignant cells. (stanford.edu)
  • Different regions of oral squamous cell carcinoma (OSCC) have particular histopathological and molecular characteristics limiting the standard tumor−node−metastasis prognosis classification. (nature.com)
  • The ability of neurons to manage the burden of misfolded proteins and to resist their accumulation into insoluble protein deposits depends critically on the functioning of molecular chaperones. (biomedcentral.com)
  • Hypoxia reduces the ability of a cell to maintain its energy level, because less ATP will be obtained from glycolysis than from oxidative phosphorylation. (bmj.com)
  • A proteomic workflow was used to identify proteins in two HER2 positive tumorigenic cell lines (BT474 and SKBR3) that were differentially expressed relative to a normal human mammary epithelial cell line (184A1). (biomedcentral.com)
  • These changes are thought to lead to tumor-microenvironment interactions via factors secreted by stromal or epithelial cells in response to lymphoma cell-produced cytokines ( 7 ). (spandidos-publications.com)
  • We used the amyotrophic lateral sclerosis-associated protein TDP-43 as a primary model to investigate the effects of clusterin on protein aggregation and neurotoxicity in complementary in vitro, neuronal cell and Drosophila systems. (biomedcentral.com)
  • especially, in localization, Nonetheless small lipid requires purified digested to the protein of the most TSLC1 random expression to be the two figures. (scoutconnection.com)
  • In early culture, PSCs are polygonal in shape with abundant lipid droplets in the cytoplasm ( Figure 1B ) and express stellate cell selective markers such as desmin, glial fibrillary acidic protein (GFAP), nestin, neural cell adhesion molecule, nerve growth factor, and synemin (34, 167). (pancreapedia.org)
  • Defective apoptosis results in inappropriate persistence and accumulation of autoreactive or potentially oncogenic lymphocytes, leading to splenomegaly and lymphadenopathy with an increased risk of lymphoma. (medscape.com)
  • Ageing leads to a gradual dysfunction of the proteostasis network and thus to proteome instability due to accumulation of damaged and/or misfolded proteins [ 2 ]. (hindawi.com)
  • By the early 1980's, ES and PNET were found to not only have similar features when examined under a microscope, but in greater than 95% of cases they also had an identical genetic abnormality called a translocation (Aurias 1984, Whang-Peng 1984, Burchill 2003). (sarcomahelp.org)
  • Firstly, the translocation of mature CLU from the ER/Golgi into the cytosol of human astrocytoma U251 cells in response to ER stress was shown by two complementary biochemical and immunofluorescence approaches [ 15 ]. (biomedcentral.com)
  • Subsequently it was demonstrated that the ER-resident chaperone BiP (GRP78) facilitates the translocation of CLU to the cytosol during ER stress in human prostate cancer LNCaP cells [ 16 ]. (biomedcentral.com)