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Cisplatin resistance and pd-l1

WebApr 11, 2024 · BackgroundProgrammed cell death-ligand 1 (PD-L1) inhibitors plus chemotherapy have made substantial progress in extensive-stage small-cell lung cancer (ES-SCLC), but the survival benefit is still limited. This study aimed to evaluate the preliminary efficacy and safety of camrelizumab plus platinum-irinotecan (IP/IC) followed … WebCisplatin-mediated down-regulation of miR-145 contributes to up-regulation of PD-L1 via the c-Myc transcription factor in cisplatin-resistant ovarian carcinoma cells Immune tolerance is one of the leading causes of chemotherapy resistance in carcinoma cases.

Cisplatin Resistance: A Cellular Self-Defense Mechanism Resulting …

Web14 hours ago · Cisplatin treatment does not change the level of expression of EGFR and PD-L1. ... EVs, namely the tetraspanins CD9 and CD81 which are common EV markers … WebOct 22, 2024 · Cisplatin is an alkylating agent which induces DNA damage through the formation of cisplatin-DNA adducts, leading to cell cycle arrest and apoptosis. In the management of advanced OSCC, cisplatin-based chemotherapy or chemoradiotherapy has been considered as the first-line treatment. cec - cinema west theatre https://wildlifeshowroom.com

PD-L1 and MRN synergy in platinum-based chemoresistance of …

WebThe PD-L1 could reduce the level of cell damage caused by cisplatin. In addition, we found PD-L1 can also up-regulate the expression of P-gp. Mechanistically, PD-L1 activated the PI3K/AKT signaling pathway in which PI3K/AKT pathway inhibition attenuated the upregulation of P-gp. WebCisplatin is one of the most effective broad-spectrum anticancer drugs. Its effectiveness seems to be due to the unique properties of cisplatin, which enters cells via multiple … WebApr 14, 2024 · Autophagy Influences Hypoxia, Chemoresistance, and Stem-like Phenotype in Breast Cancer It is known that cancer stem cells are a significant contributor to the development of chemoresistance in breast cancer [ 88, 89, 90, 91 ]. Autophagy enables the survival of CSCs under hypoxia in the tumor microenvironment [ 92 ]. butterfly semicolon tattoo meaning

Cisplatin Alters Antitumor Immunity and Synergizes with PD-1/PD-L1 …

Category:The Molecular Basis and Therapeutic Aspects of Cisplatin Resistance …

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Cisplatin resistance and pd-l1

MicroRNA-519d-3p antagonizes osteosarcoma resistance against cisplatin ...

WebNov 23, 2024 · It was reported that the combined administration of anti-PD-L1 antibodies and DDP significantly reduced tumor growth compared with single-agent treatments and controls . These findings indicated a key role of PD-L1 in regulating DDP resistance of cancer cells. The survival and proliferation of cancer cells require the expression of cyclin … WebNevertheless, the role of PD-L1 in chemoresistance development is not fully understood. In the current study, we aim to clarify the interaction of miR-519d-3p and PD-L1 in the development of cisplatin resistance. Immunohistochemistry, quantitative reverse-transcription polymerase reaction, and Western blot were used to evaluate PD-L1 …

Cisplatin resistance and pd-l1

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WebSep 9, 2016 · Here we report that cell-intrinsic expression of PD1 and PD-L1, two immune checkpoints, is required for sustained expansion of SCLC cells under cisplatin …

http://mars.gmu.edu/handle/1920/13265?show=full WebMar 15, 2024 · Carboplatin-based regimens — For patients who are otherwise candidates for combination chemotherapy but are unable to receive cisplatin (eg, due to renal dysfunction, neuropathy, severe hearing loss, or heart failure), we suggest the combination of gemcitabine plus carboplatin.

WebApr 14, 2024 · Hypoxia also upregulates the expression of PD-1 ligand 1 (PD-L1) on MDSCs, macrophages, dendritic cells, ... Guo Q et al (2024) Hypoxia exposure induced cisplatin resistance partially via activating p53 and hypoxia inducible factor-1α in non-small cell lung cancer A549 cells. Oncol Lett 16:801–808. WebNov 30, 2024 · Cisplatin may also cause upregulation of tumor cell PD-L1, which may in part explain the additive antitumor activity of cisplatin and PD-L1/PD-1 blockade. This …

WebOct 21, 2024 · Knockdown of KIFC1 by siRNA increased the sensitivity to cisplatin in BC cells. Kaplan-Meier analysis indicated that prognosis was poor among KIFC1 -positive BC patients treated with cisplatin-based chemotherapy. Immunohistochemistry showed that KIFC1 -positive cases were associated with PD-L1-positive cases.

WebMay 28, 2024 · PD-L1 is critical for tumor cell escape from immune surveillance by inhibiting T cell function via the PD-1 receptor. Accumulating evidence demonstrates that anti-PD-L1 monoclonal antibodies might potently enhance antitumor effects in various tumors, but the effect of PD-L1 on colorectal cancer stem cells (CSCs) remains unclear. cec cloudr investment holdings l.pWebAug 6, 2024 · PD-L1 binding to PD-1 could negatively regulate the signals of T cell receptor (TCR), reducing TCR-mediated proliferation and production of cytokine. PD-L1 is a key protein that regulates the aggregation and clearance of … butterfly sensation early pregnancyWebDec 19, 2024 · The differential expression of PD-L1 at the mRNA and protein levels in the chemosensitive and chemoresistant cell lines strongly implicate PD-L1 in the development of cisplatin resistance.... butterfly sensation in chest