Decreased sensitivity of drug-resistant cells towards T cell cytotoxicity
نویسندگان
چکیده
منابع مشابه
Decreased T Cell Response to Mitogen and Increased Anti-cytoplasmic Antibody in Drug-Free Schizophrenic Patients
Background: Apart from genetic and environmental factors, activation of autoreactive mechanisms has been proposed to play a role in the pathogenesis of schizophrenia. In re-cent years, considerable work has been carried out to understand the role and contribution of the immune system in this disease. Objective: To investigate the T cell response to phytohaemagglutinin (PHA) and determine the se...
متن کاملCytotoxicity of selected Cameroonian medicinal plants and Nauclea pobeguinii towards multi-factorial drug-resistant cancer cells
BACKGROUND Malignacies are still a major public concern worldwide and despite the intensive search for new chemotherapeutic agents, treatment still remains a challenging issue. This work was designed to assess the cytotoxicity of six selected Cameroonian medicinal plants, including Nauclea pobeguinii and its constituents 3-acetoxy-11-oxo-urs-12-ene (1), p-coumaric acid (2), citric acid trimethy...
متن کاملProducing Soluble Human Programmed Cell Death Protein-1: A Natural supporter for CD4+T cell Cytotoxicity and Tumor Cells Apoptosis
Background: Programmed cell death protein-1 (PD-1)/PD-L1 pathway is one of the immune checkpoint pathways involved in regulation of the immune responses and suppression of anti-tumor defense. PD-1/B7-H1-blocking antibodies improve immune responses such as cytotoxic activity of CD8+/CD4+T cells and also increase mortality of tumor cells; however their use is accompanied by adverse effects in pat...
متن کاملNovel Palladium Complex: Cytotoxicity against Cisplatin-resistant K562 Cells
Today, development of resistance to anticancer drugs (including cisplatin) is noticed as a major problem. Recently several studies demonstrated that palladium complexes showed remarkable cytotoxic effects against K562 cell line and could be used efficiently for treatment of many human cancers including leukemia. Hereof, K562 cells were made resistant to cisplatin using increasing concentration ...
متن کاملReversal of Drug Sensitivity in Multidrug-Resistant Tumor Cells
In order to reverse P-glycoprotein-mediated drug resistance in a spe cific manner, we designed two hammerhead ribozymes which can cleave the GUC sequence in codon 179 and 196 of MORI (PGYÕ)mRNA. The ribozymes were directly synthesized using a set of primers, one containing a bacteriophage T7 RNA polymerase promoter. A target MDRl RNA was created by a reverse transcription polymerase chain reac...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Leukemia
سال: 1999
ISSN: 0887-6924,1476-5551
DOI: 10.1038/sj.leu.2401335