• Presently found remarkable cytotoxic selectivity of acyclovir analogues against KB and HeLa tumor cells together with previously reported in the literature specific cytotoxic activity of acyclovir against murine leukemia L1210 cells seem to be encouraging for further investigation of this class of compounds in other tumor systems. (home.pl)
  • We have observed that DAC reduced the in vitro clonogenic potential in a dose-dependent manner of both human and murine leukemia and tumor cell lines. (biomedcentral.com)
  • Delta9-THC administered orally daily until death in doses of 50, 100, or 200 mg/kg did not increase the life-spans of (C57BL/6 times DBA/2)F1 (BDF1) mice hosting the L1210 murine leukemia. (erowid.org)
  • The reactivation of the TSGs ( p57KIP2 in HL-60 leukemic cells and p16CDKN2A in Calu-6 lung carcinoma cells) and the inhibition of global DNA methylation in HL-60 leukemic cells increased with DAC concentration. (biomedcentral.com)
  • The in vitro antineoplastic action of DAC correlated well with its inhibition of DNA methylation and reactivation of TSG in human neoplastic cells. (biomedcentral.com)
  • However, delta9-THC administered daily for 10 days significantly inhibited Friend leukemia virus-induced splenomegaly by 71% at 200 mg/kg as compared to 90.2% for actinomycin D. Experiments with bone marrow and isolated Lewis lung cells incubated in vitro with delta9-THC and delta8-THC showed a dose-dependent (10(-4)-10(-7)) inhibition (80-20%, respectively) of tritiated thymidine and 14C-uridine uptake into these cells. (erowid.org)
  • consequently, genes encoding some of these proteins are being used to design constructs for the inhibition of multiplying cancer cells. (weeksmd.com)
  • Inhibition of glutamine synthesis in cancer-associated fibroblasts was found to limit ovarian tumor growth [ 3 ] . (encyclopedia.pub)
  • Recent research has shown that GPNA can inhibit multiple other amino acid transporters and that GPNA's inhibition of cell viability is likely due to off-target effects from the activity of the γ-Glutamyltransferase enzyme rather than the disruption of glutamine metabolism [ 12 ] . (encyclopedia.pub)
  • In comparison with GPNA, V-9032 has approximately 100-fold increased potency in blocking cellular glutamine uptake, and inhibition of SLC1A5 with V-9032 was demonstrated to cause cell death, disrupt redox equilibrium, and result in disrupted development and progression of cancer [ 13 ] . (encyclopedia.pub)
  • In addition, dCK-deficient leukemia cell lines and ABT-888 (Veliparib) murine embryonic fibroblasts exhibited increased sensitivity to IR, indicating that pharmacologic inhibition of dCK may be an effective radiosensitization strategy. (biomasswars.com)
  • 5-3 with inhibition activity against leukemia cell line L1210 at concentration 1.515 ppm. (univpancasila.ac.id)
  • Furthermore, in tumour necrosis factor alpha (TNFa)-stimulated Ewing's sarcoma (ES) cells, NF-jB is reported to prevent activation of an apoptotic cascade through inhibition of c-Jun N-terminal kinase (JNK) [23] and upregulation of anti-oxidant enzymes [24]. (lsd1receptor.com)
  • Immunostimulatory cytokines can enhance anti-tumor immunity and are part of the therapeutic armamentarium for cancer treatment. (weeksmd.com)
  • M.S. Webb, N.L. Boman, D. Masin, D. Yapp, E. Ramsay, P.R. Cullis and M.B. Bally, "A Cationic Liposomal Vincristine Formulation with Improved Vincristine Retention, Extended Circulation Lifetime and Increased Anti-Tumor Activity", Biochim. (ubc.ca)
  • 2007). Encapsulation in liposomal nanoparticles enhances the immunostimulatory, adjuvant and anti-tumor activity of subcutaneously administered CpG ODN. (ubc.ca)
  • The anti-tumor effects of cannabinoids and THC have been demonstrated for quite some time now. (whydontyoutrythis.com)
  • We found that MMDX cytotoxicity for cultured M5076 tumor cells was potentiated 22-fold by preincubating the drug with NADPH-supplemented liver microsomes from untreated C57BL/6 female mice. (unboundmedicine.com)
  • The structure-activity relationship analysis indicated that the primary factors determining their cytotoxicity were: 1) bromine atom at the C-8 position of the bicyclic derivatives and 2) unsubstituted appended ring in the tricyclic derivatives. (home.pl)
  • Combination of two structural elements carrying the cytotoxicity gave diverse effects, enhancement or decrease in activity depending on particular cases. (home.pl)
  • Two compounds (of four selected), 8-bromoacyclovir and 1,N-2-ethenoacyclovir, having unsubstituted 9-[(2-hydroxyethoxy)methyl] chain, showed approximately 2-fold increase in their cytotoxicity against HeLa tumor cells in the presence of the induced microsomal generating system suggesting that their cytooxicity depends on the drug metabolic transformation into their active metabolites (intermediates) via MFO-system, and that structural unit of this chain is essential for abovementioned activation. (home.pl)
  • The rationale is based on a) evidence that, following drug-induced aplasia, resultant bone marrow proliferation in vivo corresponds temporally with induced humoral stimulatory activity, and on b) models that demonstrate increased cytotoxicity of β-cytosine arabinoside (Ara-C) to myeloblasts cultured in humoral stimulatory activity (HSA). (johnshopkins.edu)
  • Adding lunasin to IL-12- or IL-2-stimulated NK cells demonstrated synergistic effects in the induction of IFNG and GZMB involved in cytotoxicity. (weeksmd.com)
  • Animals treated for 10 consecutive days with delta9-THC, beginning the day after tumor implantation, demonstrated a dose-dependent action of retarded tumor growth. (erowid.org)
  • The inactivation of tumor suppressor genes (TSGs) by aberrant DNA methylation plays an important role in the development of malignancy. (biomedcentral.com)
  • It has been used to reactivate silent tumor suppressor genes. (jenabioscience.com)
  • The in vivo antineoplastic activity of DAC administered as an i.v. infusion was evaluated in mice with murine L1210 leukemia by measurement of survival time, and in mice bearing murine EMT6 mammary tumor by excision of tumor after chemotherapy for an in vitro clonogenic assay. (biomedcentral.com)
  • 2009) A versatile non-radioactive assay for DNA methyltransferase activity and DNA binding. (jenabioscience.com)
  • D) dCK kinase assay using L1210 nuclear and cytoplasmic fraction lysates, [3H]-dC as substrate and performed 2 hours after exposure to 3 Gy (*, P? (biomasswars.com)
  • the system is designed to identify and type hsv from direct lesion smears (ds) and from cell culture smears (cs) infected with a swab from the patient's lesion by means of an indirect fluorescence assay (ifa) using hsv type-common and hsv-2 type-specific monoclonal antibodies. (liverpool.ac.uk)
  • an enzyme linked immunosorbent assay (elisa) system to study specific anti-herpes simplex virus (hsv) antibody production in vitro by human peripheral blood mononuclear cells (pbmc) has been developed. (liverpool.ac.uk)
  • These studies demonstrated that the amount of proliferation of residual tumor and thereby sensitivity to cycle-active drugs given in sequence relates to the initial drug effect on tumor proliferation and the induction of humoral stimulation. (johnshopkins.edu)
  • CBD showed no inhibitory effect on tumor growth at 14, 21, or 28 days. (erowid.org)
  • The availability of a sophisticated genetic tool box makes Drosophila an excellent genetic model well suited to studying the biology of Lunasin and its effect on tumor progression in an in vivo model organism. (weeksmd.com)
  • In this study, we investigated the effects of Accepted 14 September 2009 nine naturally occurring compounds isolated from Citrus jambhiri Lush and Citrus pyriformis Hassk Available online 24 September 2009 (Rutaceae) for their potential to modulate the activity of P-gp in the multidrug-resistant human leukaemiacell line CEM/ADR5000. (gotomydoctor.com)
  • The present study examined the role of CYP3A-mediated metabolism in the in vivo antitumor activity and host toxicity of MMDX in the mouse model and investigated the potential for increasing the therapeutic effectiveness of the drug by inducing its hepatic CYP-catalyzed activation. (unboundmedicine.com)
  • In vivo antitumor activity experiments revealed that TAO completely suppressed the ability of 90 microg/kg MMDX i.v., a dose close to the LD10, to delay growth of s.c. (unboundmedicine.com)
  • Taken together, these findings demonstrate that an active metabolite(s) of MMDX synthesized via CYP3A contributes significantly to its in vivo antitumor activity and host toxicity. (unboundmedicine.com)
  • 2C-H was found to be inactive in NCI In Vivo Anticancer Drug Screens for tumor model L1210 Leukemia. (wikipedia.org)
  • We also observed a correlation between in vitro and in vivo concentrations needed to produce optimal responses in mice with L1210 leukemia or with EMT6 tumor. (biomedcentral.com)
  • NK activation was evaluated, and its tumoricidal activity was assessed using in vitro and in vivo tumor models. (weeksmd.com)
  • In addition, NK cells stimulated with lunasin plus cytokines displayed higher tumoricidal activity than those stimulated with cytokines alone using in vitro and in vivo tumor models. (weeksmd.com)
  • Using [18F]-FAC, a dCK-specific positron emission tomography (PET) probe, we visualized and quantified dCK activation in tumor xenografts after IR, indicating that dCK activation could serve as a biomarker for ATM function and DNA damage response in vivo. (biomasswars.com)
  • 8. Sumarny R. Karakteristik aktivitas antiproliferasi sel lestari tumor dan aktivitas fugositosis secara in vivo dari fraksi bioaktif rimpang temu putih (Curcuma zedoria (Christm) Roscoe). (univpancasila.ac.id)
  • in vitro and in vivo antiviral activity of 2'-fluorinated arabinosides of 5-(2-haloalkyl)uracil. (liverpool.ac.uk)
  • 5-(2-fluoroethyl)-2'-deoxyuridine (fedu), its 2'-fluoroarabinofuranosyl analog (fefau) and the 2'-fluoroarabinofuranosyl analog (cefau) of the potent anti-herpesvirus compound 5-(2-chloroethyl)-2'-deoxyuridine (cedu) were evaluated for activity against herpes simplex virus type 1 (hsv-1) and hsv-2 in vitro and in vivo. (liverpool.ac.uk)
  • M5076 tumors in C57BL/6 mice and to prolong survival of DBA/2 mice with disseminated L1210 leukemia. (unboundmedicine.com)
  • However, pregnenolone-16alpha-carbonitrile pretreatment failed to enhance MMDX activity in mice bearing either s.c. (unboundmedicine.com)
  • In mice with L1210 leukemia and in mice bearing EMT6 tumors, the antineoplastic action of DAC also increased with the dose. (biomedcentral.com)
  • CD2F1 mice bearing L-1210 leukemia received a course of 60 mg Ara-C/kg every 8th hour (q.8 h) three times on day 0 and on another day in sequence (0.1 through 0.7). (johnshopkins.edu)
  • Mice treated for 20 consecutive days with delta8-THC and CBN had reduced primary tumor size. (erowid.org)
  • Preclinical efficacy evaluations of XK-469: dose schedule, route and cross-resistance behavior in tumor bearing mice. (wayne.edu)
  • Germ-cell deficient (gcd), an insertional mutation manifested as infertility in transgenic mice. (shengsci.com)
  • Typical orthotopic disease models include breast cancer, lung cancer, colon cancer, kidney cancer and diffuse large B-cell lymphoma (DLBCL), utilising mice, rats and hamsters as test subjects. (medicilon.com)
  • This is associated with increased tumourigenicity of ES cells in nude mice [25]. (lsd1receptor.com)
  • Most cancer cells undergo metabolic reprogramming that support their survival and proliferation. (degruyter.com)
  • In order to restrict the proliferation of glutamine-addicted cancer cells, researchers have created various drugs that target different stages in glutamine metabolism. (encyclopedia.pub)
  • We have examined the effects of a stromal cell-derived cytokine designated interleukin 11 (IL-11) on the proliferation of murine hemopoietic progenitors in methylcellulose culture. (shengsci.com)
  • Very little data exists about the pharmacological properties, metabolism, and toxicity of 2C-H. 2C-H exhibits agonist activity in vitro at human trace amine associated receptor 1 expressed in RD-HGA16 CHO-K1 cells coexpressed with Galpha16 protein assessed as internal calcium mobilization. (wikipedia.org)
  • In vitro cytostatic activity of 8-substituted and tricyclic analogues of acyclovir. (home.pl)
  • Clonogenic assays were performed on leukemic and tumor cell lines to evaluate the in vitro antineoplastic activity of DAC. (biomedcentral.com)
  • In order to clarify the dose-schedule of DAC as a guide to clinical trials, we have evaluated the antineoplastic activity of DAC both in vitro and in animal models. (biomedcentral.com)
  • an ATP-binding ), coumarins () and terpenoids cassette (ABC) transporter (150-170 kDa), which pumps out lipo- have been reported as philic agents from cells that have entered them by free diffusion agents for overcoming multidrug resistance, and could be used aloneat very low concentrations or in combination to reverse multidrugresistance in vitro. (gotomydoctor.com)
  • trifluorothymidine (tft) is known to be concentrated in herpes simplex virus (hsv) infected cells in vitro in the form of phosphorylated derivatives. (liverpool.ac.uk)
  • Out of a series of twenty 8-substituted or/and 1,N-2-bridged (tricyclic) derivatives of acyclovir (a selective antiherpetic drug), known to be nontoxic to normal cells, seven compounds were found to exhibit moderate cytostatic activity in KB human tumor tissue culture system with ED50 activity values ranging from 0.052-0.094 x 10**-3 mole/l. (home.pl)
  • Functional loss of the reduced folate carrier enhances the antitumor activities of novel antifolates with selective uptake by the proton-coupled folate transporter. (wayne.edu)
  • 2005). Stabilized plasmid-lipid particles containing PEG-diacyglyceriols exhibit extended circulation lifetimes and tumor selective gene expression. (ubc.ca)
  • The effects of WR-1065 (2-((aminopropyl)amino)ethanethiol) on cell cycle progression, topoisomerase (topo) IIα activity, and topo IIα phosphorylation in Chinese hamster ovary (CHO) cells have been investigated. (ucy.ac.cy)
  • Substantial evidence associates NF-jB to the reg-ulation of oncogenesis and tumour progression, attributed to its role as a survival factor. (lsd1receptor.com)
  • They spoke to us about the possibility of Mykayla having a bone marrow transplant due to the leukemia not going into remission with the chemotherapy. (whydontyoutrythis.com)
  • 95% of children with leukemia go into remission during the first 30 days of chemotherapy… the majority of them go into remission just a few days after receiving chemotherapy for the first time. (whydontyoutrythis.com)
  • This mini review highlights the development of compounds that target cancer cells by taking advantage of redox or metabolic alteration in cancer cells. (degruyter.com)
  • This review report displays the structures of new compounds isolated from algae-derived and sponge-derived fungi and their activities, covering the literature from 2017 to 2021. (japsonline.com)
  • Several compounds showed stronger activity than the control. (japsonline.com)
  • Treatment of drug-resistant Caco-2 cells with the most active C. jambhiri and C. pyriformis compounds increased their sensitivity to doxorubicin and completely reversed doxorubicin resistance, which agrees with a decreased P- gp activity. (gotomydoctor.com)
  • LBN rats bearing acute myelocytic leukemia (AML) were treated with 100 mg Ara-C/kg q.8 h six times begining on day 0 and on other days in sequence (0.1 through 0.12). (johnshopkins.edu)
  • Eukaryotic expression vectors containing genes encoding plant proteins for killing of cancer cells. (weeksmd.com)
  • Despite early studies showing favorable results in limiting tumor growth and producing synergistic effects with other cancer therapies, GPNA has been identified by growing evidence to have low selectivity as a transporter inhibitor [ 10 ] [ 11 ] . (encyclopedia.pub)
  • This indicates the intricate control of metabolism and redox balance for survival of cancer cells that can be targeted by therapeutic agents. (degruyter.com)
  • The longest survival (250% of controls) was in animals whose second course began on day 3, the time of peak HSA as measured by DNA synthesis induced in L-1210 cells in culture. (johnshopkins.edu)
  • The longest survival was in those treated on day 0.6 (760% of controls), the time of peak serum stimulation, and tumor labeling index (LI). (johnshopkins.edu)
  • NF-jB knockdown did not induce death under normal growth conditions, but did reduce TNFa-dependent cell survival. (lsd1receptor.com)
  • Around the same time, research began to show that the regulation of iron is a central function of the immune system, and that this seems to have evolved because iron is a basic requirement for the survival and growth of cells of all types, including bacteria, parasites, and cancer. (raypeatforum.com)
  • a complete loss of MMDX activity was observed in liver metastases-bearing animals receiving 40 microg/kg MMDX i.v. plus TAO. (unboundmedicine.com)
  • M5076 tumors or experimental M5076 liver metastases. (unboundmedicine.com)
  • Studies were conducted in the leukemic mouse and rat to test the hypothesis that enhanced effects of drugs given in sequence relate to a predictable increase in tumor growth and sensitivity to cycle-active agents. (johnshopkins.edu)
  • It interferes with nucleic acid synthesis by inhibiting purine metabolism and is used, usually in combination with other drugs, in the treatment of or in remission maintenance programs for leukemia. (lookformedical.com)
  • 2008) The effect of circulation lifetime and drug-to-lipid ratio of intravenously administered lipid nanoparticles on the biodistribution and immunostimulatory activity of encapsulated CpG-ODN. (ubc.ca)
  • Peripheral blood mononuclear cells of healthy donors and post-transplant lymphoma patients were stimulated with or without lunasin in the presence of IL-12 or IL-2. (weeksmd.com)
  • The combination of lunasin and cytokines (IL-12 plus IL-2) was capable of restoring IFNγ production by NK cells from post-transplant lymphoma patients. (weeksmd.com)
  • We have shown that intensification of the DAC dose markedly increased its antineoplastic activity in mouse models of cancer. (biomedcentral.com)
  • 2005) Enhancement of antineoplastic action of 5-aza-2'-deoxycytidine by zebularine on L1210 leukemia. (jenabioscience.com)
  • "Antineoplastic activity of cannabinoids" J Natl Cancer Inst . (erowid.org)
  • One such peptide, Lunasin , has been shown to selectively act on newly transformed cells while having no cytotoxic effect on non-tumorigenic or established cancer cell lines. (weeksmd.com)
  • Increasing the DAC concentration and duration of exposure produced a greater loss of clonogenicity for both human leukemic and tumor cell lines. (biomedcentral.com)
  • However, relevant research has ebbed due to the limitation of these agents, which is the easy acquisition of tumor resistance by de novo glutamine synthesis in cancer or stromal cells. (encyclopedia.pub)
  • Tumor cell resistance to anthracyclines and epipodophyllotoxins can be due to reduced drug accumulation and/or alterations in the activity of topoisomerase II (TOPO II). (ucy.ac.cy)
  • Fenretinide (N-(4-hydroxyphenyl)retinamide) is a synthetic vitamin A analogue with chemopreven-tive and therapeutic activity against a wide range of cancers [1]. (lsd1receptor.com)
  • By lowering the activation energy needed by cells to start metabolic reactions, enzymes allow biological systems to undertake necessary processes at the temperatures that exist inside the cell. (findbinaryoption.com)
  • Laetrile has shown little anticancer activity in animal studies and no anticancer activity in human clinical trials. (cancer.gov)
  • The underlying mechanism responsible for the effects of lunasin on NK cells is likely due to epigenetic modulation on target gene loci. (weeksmd.com)
  • Gene therapy has attracted attention for its potential to specifically and efficiently target cancer cells with minimal toxicity to normal cells. (weeksmd.com)
  • Bilirubin is a chemical that is produced when old red blood cells break down. (webmd.com)
  • In another review in 2022, Gao and Zhang (2022) reported a total of 196 new metabolites isolated from algae-associated fungi covering from 2016 to 2021, including the chemical diversity and biological activities. (japsonline.com)
  • Magnetic resonance imaging measurements of the response of murine and human tumors to the vascular-targeting agent ZD6126. (wayne.edu)
  • infection of human epidermoid carcinoma no. 2 cells with herpes simplex virus type 1 (hsv-1) leads to a reorganization of antigens associated with both the small and heterogeneous nuclear ribonucleoprotein complexes (snrnp and hnrnp). (liverpool.ac.uk)
  • it was reported that glycoprotein c of hsv-1 (gc-1) mediates the binding of c3b-coated erythrocytes to infected cells and has regulatory (decay-accelerating) activity for the alternative pathway c3 convertase of human complement. (liverpool.ac.uk)
  • The respective changes include a modified reproductive behavior of one of the female germ cells (central cell) and an extended lifespan of three adjacent accessory cells (antipodals). (shengsci.com)
  • Consequently, ROS-modulation has emerged as an anticancer strategy with synthesis of various ROS-inducing or responsive agents that target cancer cells. (degruyter.com)
  • 2009) Synthesis of a Labeled RGD-Lipid, Its Incorporation into Liposomal Nanoparticles, and Their Trafficking in Cultured Endothelial Cells. (ubc.ca)
  • Of note, an increased carbohydrate uptake and/or induction of death receptors of cancer cells was exploited to develop glycoconjugates that potentially induce cellular stress, ROS and apoptosis. (degruyter.com)
  • Cancer cells also enhance glucose-uptake to fuel these enhanced metabolic activities [ 2 ]. (degruyter.com)
  • The exact mechanism of fen-retinide-induced cell death is not fully understood, although it is reported to induce apoptosis indepen-dently of retinoic acid receptor expression [6-9], lacking the carboxyl group required for binding to these receptors [10]. (lsd1receptor.com)
  • More recently, fenretinide-induced apoptosis has been reported to be dependent on phosphorylation of nuclear factor-kappa B (NF-jB) in SH-SY5Y neuroblastoma cells [13]. (lsd1receptor.com)
  • The NF-jB family of transcription factors are involved in the regulation of several physiological processes such as inflammation, cell cycle regulation and apoptosis. (lsd1receptor.com)
  • Consistent with this hypothesis, NF-jB is constitutively acti-vated in a wide variety of tumours permitting cells to evade apoptosis [16-19,21,22]. (lsd1receptor.com)
  • Although clinical studies show that DAC has activity against hematological malignancies, the optimal dose-schedule of this epigenetic agent still needs to be established. (biomedcentral.com)
  • Phosphorylation of serine 74 (Ser74) was shown to be critical in regulating enzyme activity [18]C[20]. (biomasswars.com)
  • High abundance of glucose in the cytoplasm of a cancer cell also increases flux into other metabolic pathways such as hexosamine biosynthetic pathway (HBP) [ 7 ]. (degruyter.com)
  • 5. Molyneux, P. The use of stable free radikal diphenylpicrilhidrazyl (DPPH) for estimating antioxidant activity. (univpancasila.ac.id)
  • BAY 11-7082-induced cell death through an NF-jB-independent mechanism and enhanced cell death when combined with fenretinide. (lsd1receptor.com)
  • 2005). Investivgation of factors responsible for cell line cytoplasmic expression differences. (ubc.ca)
  • 3). (C) Western blot of nuclear (N) and cytoplasmic (C) fractions of L1210 cell line before and 2 hours after 3 Gy exposure. (biomasswars.com)
  • Because cancer cells' reliance on glutamine metabolism is generally greater than in normal tissues, and glutamine deprivation in cancer cell cultures frequently results in cell death, scientists have explored depleting glutamine as a cancer therapy strategy. (encyclopedia.pub)
  • BAY 11-7082 decreased cell viability, which was accompanied by caspase-3 cleavage. (lsd1receptor.com)
  • SYCO localizes to the mitochondria, and ultrastructural analysis of mutant central cells revealed that the protein is necessary for mitochondrial cristae integrity. (shengsci.com)
  • Cancer cells often maintain high basal level of ROS and are vulnerable to any further increase in ROS levels beyond a certain protective threshold. (degruyter.com)
  • This is because cancer cells maintain high basal level of ROS, thus they are vulnerable to any further increase in ROS (Fig. 1 ). (degruyter.com)
  • Numerous vectors have been engineered for the sole purpose of killing cancer cells, and some have successfully suppressed malignant tumours. (weeksmd.com)
  • Studies have shown that cannabis completely kills cancer cells, and it has a great impact on rebuilding the immune system. (whydontyoutrythis.com)
  • Functional research are needed to Ezetimibe biological activity confirm biological relevance of the obtained relationships. (thebiotechdictionary.com)