“…However, limited understanding of its toxicokinetics (TK) has obstructed the necessary risk assessment. …”
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“…HSV‐TK‐expressing anti‐GM2 IL‐7/CCL19‐producing human CAR‐T cells were efficiently eliminated by GCV administration in vivo. …”
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“…The most prominent environmental variables affecting the content of major bioactive products include altitude, aspect, soil TK content, Fe content, and C/N and N/P ratios. …”
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“…In this study, we engineered a variety of therapeutic cells to express two different kill switches, RapaCasp9 and HSV-TK and utilized Rapamycin and Ganciclovir respectively to activate these kill switches. …”
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“…We also compared the transcription level of thnA in S. lividan TK24 and S. lividan pIBR25-thnA and found that thnA was only transcribed in the mutant.…”
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“…Here, we show that the finely tuned balance between TrkC-T1 and the better known, kinase domain-containing isoform, TrkC-TK+, is cell type-specific in the developing cortex and established through the antagonistic actions of two RNA-binding proteins, Srsf1 and Elavl1. …”
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“…A total of 142 miRNAs, including 108 known and 34 novel ones, were discovered, with 53 identified as differentially expressed (DE) between the latex of Tk and Ts. Degradome sequencing identified 145 targets corresponding to 74 miRNAs. …”
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“…OBJECTIVES: The TK and TD of PQ in brain were measured after single or repeated doses. …”
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“…We conclude that alloactivated donor Ts/Tk cells disappear from the host at a relatively early stage of GVHD, i.e., at the end of acute GVHD , presumably because they are short-lived. …”
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“…We constructed recombinant AAV virions containing the human alpha-globin gene sequences in antisense orientation driven by the herpesvirus thymidine kinase (TK) promoter, the SV40 early gene promoter, and the human alpha- globin gene promoter, respectively, as well as a bacterial gene for resistance to neomycin (neoR) as a selectable marker. …”
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“…Analysis of the mechanisms underlying reduced viability showed no evidence for induction of apoptosis even though marked levels of apoptosis was seen in TK6 lymphoma cells. Sensitivity of melanoma cells was associated with p53-dependent G2/M cell cycle arrest and induction of senescence. …”
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“…AIMS: 5-Fluorouracil (5-FU) is one of the most widely used anticancer drugs; however, the activity of 5-FU is determined by the presence of several enzymes that limit its activation or degradation, and these include dihydropyrimidine dehydrogenase (DPD), orotate phosphoribosyl transferase (OPRT), thymidylate synthase (TS), thymidine kinase (TK), thymidine phosphorylase (TP) and deoxyuridine triphosphatase (dUTPase). …”
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“…Conversely, co-administration of HMEC-1 cells enhanced the oncolytic efficacy of Ad(I)-F512-TK on SPARC-negative MIA PaCa-2 pancreatic cancer cells in vivo. …”
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“…TkCFAs and TCFAs were defined as advanced FA. FA progression advanced with age (P=0.04). …”
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“…These cells were genetically engineered to express the herpes simplex virus thymidine kinase (TK), and induced a "bystander effect" as demonstrated by the killing of TK-negative cells in presence of the nucleoside analogue ganciclovir (GCV). …”
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“…We previously reported that EGFR-TK mutations in MPM were predictive of achieving optimal surgical cytoreduction, but the status of EGFR pathway activation potential of these mutations was not known. …”
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“…Here, LV biosafety was enhanced by using a DC-restricted and physiological promoter, the major histocompatibility complex (MHC) II promoter, and including co-expression of the herpes simplex virus-thymidine kinase (sr39HSV-TK) conditional suicide gene. Tricistronic vectors co-expressing sr39HSV-TK, GM-CSF and IL-4 transcriptionally regulated by the MHCII promoter or the ubiquitous cytomegalovirus (CMV) promoter were compared. …”
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“…Using an in vitro model to recapitulate expression of brain-enriched miRNAs, we demonstrated that neuronally differentiated SH-SY5Y cells transduced with the miRNA-regulated HSV-TK vector are protected from killing by expression of endogenous miR-128. …”
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“…Quantitative flow cytometry revealed that in 143B TK(-) cells treated with staurosporine, cyt c and Smac exit mitochondria asymmetrically, with cyt c redistribution preceding that of Smac. …”
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“…METHODS: To test these hypotheses, two representative intratumoral immunotherapies (an adenoviral vector encoding a suicide gene, AdV-tk, or a type-I interferon, Ad.IFNα) were tested in murine models of lung cancer. …”
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