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Co-administration of Rifampicin and Boswellia Serrata Mitigates Testicular Toxicity Caused by Aflatoxin B1.
Toxicon
January 2025
Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Firat University, Elazig, Turkey.
The current study was aimed to investigate the effect of rifampicin (Rif), a stimulator of P-glycoprotein (P-gp) and breast cancer resistance protein (BCRP), on limiting the passage of AFB1 (Aflatoxin B1) into testicular tissue. The second objective was to examine the potential protective effects of Boswellia serrata extract (BSE), which exhibits a strong antioxidant capacity, alone or incombination with Rif against testicular damage induced by AFB1. A total of 49 male Sprague-Dawley rats were randomly divided into seven experimental groups as follows: control (placebo), Rif (10 mg/kg), BSE (500 mg/kg), AFB1 (0.
View Article and Find Full Text PDFOBI-992, a Novel TROP2-Targeted Antibody-Drug Conjugate, Demonstrates Antitumor Activity in Multiple Cancer Models.
Mol Cancer Ther
December 2024
OBI Pharma, Inc., Taipei, Taiwan.
Trophoblast cell surface antigen 2 (TROP2) is highly expressed in multiple cancers relative to normal tissues, supporting its role as a target for cancer therapy. OBI-992 is an antibody-drug conjugate (ADC) derived from a novel TROP2-targeted antibody linked to the topoisomerase 1 (TOP1) inhibitor exatecan via an enzyme-cleavable hydrophilic linker, with a drug-antibody ratio of 4. This study evaluated and compared the antitumor activity of OBI-992 with that of benchmark TROP2-targeted ADCs datopotamab deruxtecan (Dato-DXd) and sacituzumab govitecan (SG) in cell line-derived xenograft (CDX) and patient-derived xenograft (PDX) models.
View Article and Find Full Text PDFEpigenetic and Cellular Reprogramming of Doxorubicin-Resistant MCF-7 Cells Treated with Curcumin.
Int J Mol Sci
December 2024
Department of Biological Chemical and Pharmaceutical Science and Technology (STEBICEF), University of Palermo, 90128 Palermo, Italy.
The MCF-7R breast cancer cell line, developed by treating the parental MCF-7 cells with increasing doses of doxorubicin, serves as a model for studying acquired multidrug resistance (MDR). MDR is a major challenge in cancer therapy, often driven by overexpression of the efflux pump P-glycoprotein (P-gp) and epigenetic modifications. While many P-gp inhibitors show promise in vitro, their nonspecific effects on the efflux pump limit in vivo application.
View Article and Find Full Text PDFCurcumin and doxorubicin encapsulated in biocompatible clay-based nanomaterial: A strategy to overcome multidrug resistance.
Arch Pharm (Weinheim)
January 2025
Dipartimento di Scienze Chimiche (DSC), Università di Catania, Catania, Italy.
Multidrug resistance (MDR) due to the overexpression of the P-glycoprotein (P-gp) efflux pump remains a significant challenge in cancer therapy, also in breast cancer. Traditional pharmacological approaches have focused on using inhibitors to modulate P-gp expression and function. Curcumin, a polyphenol derived from Curcuma longa L.
View Article and Find Full Text PDFBoron Clusters Escort Doxorubicin Squashing Into Exosomes and Overcome Drug Resistance.
Adv Sci (Weinh)
December 2024
College of Chemistry and Molecular Sciences, Wuhan University, 299 Bayi Road, Wuhan, 430072, P. R. China.
Exosome-based drug delivery holds significant promise for cancer chemotherapy. However, current methods for loading drugs into exosomes are inefficient and cost-prohibitive for practical application. In this study, boron clusters are mixed with doxorubicin (DOX) and exosomes, enabling the efficient encapsulation of DOX into exosomes through a superchaotropic effect.
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