Cisplatin lysosomes

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August undefined, 2024

WebApr 22, 2003 · We isolated human KB adenocarcinoma cisplatin-resistant (CP-r) cell lines with multidrug-resistance phenotypes because of reduced accumulation of cisplatin and other cytotoxic compounds such as methotrexate and heavy metals. WebWestern blotting showed that cisplatin decreased protein expression of E6 and increased protein expression of p53, p21 and Bax. It had no effect on protein expression of Bcl-2. It is concluded that cisplatin can induce apoptosis in HeLa cells by suppressing HPV E6 and thereby restoring the function of p53. Publication types

A new family of luminescent Iridium Complexes: Synthesis, Optical …

WebAutophagy is defined as the process of intracellular degradation of cytoplasmic materials in the lysosome; however, the correlation between autophagy and drug resistance remains controversial. ... The cisplatin (DDP)-resistant human lung adenocarcinoma A549 cell line (A549/DDP) and its parental A549 cell line were purchased from Rui Cong ... WebCisplatin, a class of platinum-containing anticancer drugs for the treatment of solid tumors, is a substrate of OCT2 and MATE1/MATE2-K. OCT2 is expressed in the basolateral … grace armstrong\u0027s brother luke armstrong

Lysosomes as mediators of drug resistance in cancer

WebConfocal microscopy studies for 2a-Cl suggest that complexes localize preferentially in the lysosomes and to a lesser extent on the cytoplasm, but ultimately causing damage to the mitochondria. Finally, the potential photodynamic behaviour of scarcely toxic complexes 2b-Cl, 2b-PF6, 2c-Cl and 3a-PF6 was also studied WebApr 26, 2016 · Doxorubicin blocks autophagic flux in cardiomyocytes by impairing lysosome acidification and lysosomal function. Reducing autophagy initiation protects against doxorubicin cardiotoxicity. Doxorubicin blocks autophagic flux in cardiomyocytes by impairing lysosome acidification and lysosomal function. WebMar 1, 2024 · Cisplatin (CDDP) is a widely used agent in the treatment of neuroblastoma. Unfortunately, the development of acquired chemoresistance limits its clinical use. To gain a detailed understanding of the mechanisms underlying the development of such chemoresistance, we comparatively analyzed established … grace a robson sanctuary

Bafilomycin A1 increases the sensitivity of tongue squamous cell ...

Cisplatin nephrotoxicity: new insights and therapeutic implications ...

WebJan 28, 2014 · We conclude that TRIM38 negatively regulates TNFα- and IL-1β-induced signaling by mediating lysosome-dependent degradation of TAB2/3, two critical components in TNFα- and IL-1β-induced signaling pathways. Our findings reveal a previously undiscovered mechanism by which cells keep the inflammatory response in … WebOct 13, 2024 · Cisplatin is an inorganic platinum derivative that is widely used for chemotherapy of various solid tumours. In cancer cells, cisplatin induces DNA crosslinks and DNA adducts, triggering the... grace artes knight frankWebThe nanomaterial consists of peptide amphiphiles, which self-assemble into nanoparticles, colocalize with the lysosome, and change conformation to nanofibrils due to lysosomal pH shift, which leads to the disruption of the lysosome, cell death, and cisplatin sensitization. grace arline wilkins images

"WebJun 2, 2016 · Cisplatin is a widely prescribed anticancer drug, which triggers cell death by covalent binding to a broad range of biological molecules. Among cisplatin targets, cellular RNAs remain the most poorly characterized molecules. " - Cisplatin lysosomes

Cisplatin lysosomes

Synergistic Cooperation Between Sunitinib and Cisplatin …

WebBafilomycin A1 increases the sensitivity of tongue squamous cell carcinoma cells to cisplatin by inhibiting the lysosomal uptake of platinum ions but not autophagy. Author links open overlay panel Hong-Ying Chu a b 1, Wei Wang a 1, Xue Chen a, ... Lysosome is a potential target for increasing the cytotoxicity of DDP.

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WebLysosome-associated membrane protein (LAMP)-1, one of the major protein components of the lysosomal membrane, is upregulated in the human glioblastoma cell lines, U-373 MG and LN-Z308, which undergo cisplatin-induced apoptosis. These human brain tumor cell lines demonstrated apoptosis in response to … WebMay 31, 2012 · Tandem fluorescent-tagged LC3 (mRFP-EGFP-LC3) is a convenient assay for monitoring autophagic flux based on different pH stability of EGFP and mRFP fluorescent proteins. However, it has been reported that there is still weak fluorescence of EGFP in acidic environments (pH between 4 and 5) or acidic lysosomes.

WebCytoplasmic material is transported to lysosomes for degradation and recovery through autophagy. ... Y. et al. Cisplatin-induced autophagy protects breast cancer cells from apoptosis by regulating ... WebSep 25, 2024 · We investigated whether triggering lysosomal membrane permeabilization (LMP) or suppressing autophagy can restore cisplatin …

WebJun 5, 2024 · Disrupting lysosomes with bafilomycin A1 increased the sensitivity of resistant cells to CDDP (Fig. 2K ). Fig. 2: Therapy-activated TFEB acts as a critical regulator to control lysosomal... WebFeb 1, 2014 · Here we show that a synergistic interaction can be achieved between sunitinib and cisplatin through a mechanism involving both the apoptotic and the autophagic/lysosomal systems. Such drug cooperation results in enhanced growth inhibition and cell death in both MTC cell culture and tumor xenografts. Materials and Methods …

WebAug 3, 2024 · The eukaryotic endomembrane system (EMS) is a set of interrelated membrane-bound organelles that include the endoplasmic reticulum (ER), Golgi, lysosome and the plasma membrane, as well as the vesicles trafficking between them. It is responsible for numerous cellular processes, such as endocytosis and exocytosis.

WebSep 21, 2015 · Platinum-based cisplatin is a first-line therapeutic agent used in the treatment of multiple cancers, including ovarian cancer. Cisplatin acts by inducing DNA damage, triggering cell cycle arrest, and initiating apoptosis ( 4 ). However, many ovarian cancer patients develop acquired cisplatin resistance, resulting in failure of … chili\u0027s free chips anueso printable couponWebCisplatin is a chemotherapy drug which is used to treat cancers including: sarcoma, small cell lung cancer, germ cell tumors, lymphoma, and ovarian cancer. While it is often … grace asantewaahWebDec 8, 2024 · Cisplatin, activated by intracellular hydrolysis of chlorides, binds to DNA to form monoadducts as well as intra- and interstrand DNA cross-links [ 3 ]. As a result, it … grace arnault gulf breeze chamber of commerceWebJan 1, 2016 · Ctr1 imports platinum-based drugs into the cell. The drug enters the nucleus, induces DNA crosslinking, resulting in DNA damage, cell cycle arrest and apoptosis (a). … grace art and silkscreenWebSep 25, 2024 · We investigated whether triggering lysosomal membrane permeabilization (LMP) or suppressing autophagy can restore cisplatin susceptibility in lung cancer with acquired chemoresistance. Cisplatin IC 50 in A549Pt (parental) and A549cisR (cisplatin resistant) cells was 13 μM and 47 μM, respectively. chili\u0027s freehold njWebSep 25, 2024 · We investigated whether triggering lysosomal membrane permeabilization (LMP) or suppressing autophagy can restore cisplatin susceptibility in lung cancer with … grace armstrong lance\u0027s daughterWebJun 5, 2024 · Disrupting lysosomes with bafilomycin A1 increased the sensitivity of resistant cells to CDDP (Fig. 2K ). Fig. 2: Therapy-activated TFEB acts as a critical regulator to … chili\u0027s freezer meals