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Copper in the colorectal cancer microenvironment: pioneering a new era of cuproptosis-based therapy.
Front Oncol
January 2025
Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China.
Copper, an essential trace element and biochemical cofactor in humans plays a critical role in maintaining health. Recent studies have identified a significant association between copper levels and the progression and metastasis of cancer. Copper is primarily absorbed in the intestinal tract, often leading to an imbalance of copper ions in the body.
View Article and Find Full Text PDFEnhancing the physical and oxidative stability of hempseed protein emulsion via comparative enzymolysis with different proteases: Interfacial properties of the adsorption layer.
Food Res Int
February 2025
College of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, China. Electronic address:
Effects of enzymolysis by seven proteases (Alcalase, Bromelain, Flavourzyme, Papain, Pepsin, Protamex, and Trypsin) with distinct cleavage specificities on the emulsification performance of hempseed protein (HPI) and its correlation with the structural and interfacial characteristics were explored in this study. Upon enzymolysis, a remarkable decrease in α-helix and β-turn was observed in resultant hydrolysates (HPH), accompanied by a rise in β-sheet and random coil, notably by Alcalase, Bromelain, Papain, and Trypsin. Overall, proteolysis led to noticeable reductions in surface hydrophobicity and total sulfhydryls as well as a redshift in intrinsic fluorescence, with Papain showing the most pronounced effects, possibly due to its higher hydrolysis degree (4.
View Article and Find Full Text PDFChallenges and Insights in Absolute Quantification of Recombinant Therapeutic Antibodies by Mass Spectrometry: An Introductory Review.
Antibodies (Basel)
January 2025
Federal Institute of Material Testing and Research (BAM), 12489 Berlin, Germany.
This review describes mass spectrometry (MS)-based approaches for the absolute quantification of therapeutic monoclonal antibodies (mAbs), focusing on technical challenges in sample treatment and calibration. Therapeutic mAbs are crucial for treating cancer and inflammatory, infectious, and autoimmune diseases. We trace their development from hybridoma technology and the first murine mAbs in 1975 to today's chimeric and fully human mAbs.
View Article and Find Full Text PDFAmeliorative effect of aqueous leaf extract of Pistacia lentiscus L. against oxaliplatin-induced hepatic injury, oxidative stress, and DNA damage in vitro and in vivo.
Med Oncol
January 2025
Laboratory of Molecular Toxicology, Faculty of Nature and Life Sciences, University of Jijel, 18000, Jijel, Algeria.
The current study aimed to assess the preventive effects of aqueous leaf extract of Pistacia lentiscus (ALEPL) against Oxaliplatin (OXA)-induced DNA damage, hepatic injury, and oxidative stress. The in vitro cytotoxic and genotoxic effects of OXA and ALEPL on HCT116 colon cancer cells were evaluated using the MTT (Tetrazolium salt reduction) assay and comet assay. The in vivo study involved 24 female NMRI (Naval Medical Research Institute) mice that were equally divided into four groups as follows: Control group, ALEPL-treated group (100 mg/kg), OXA-treated group (7 mg/kg), and ALEPL-treated group (100mg/kg) + OXA (7mg/kg).
View Article and Find Full Text PDFGRASP55 Regulates Sorting and Maturation of the Lysosomal Enzyme β-Hexosaminidase A.
Mol Biol Cell
January 2025
Department of Molecular, Cellular and Developmental Biology, the University of Michigan, Ann Arbor, MI 48109, USA.
The Golgi apparatus plays a crucial role in the delivery of lysosomal enzymes. Golgi Reassembly Stacking Proteins, GRASP55 and GRASP65, are vital for maintaining Golgi structure and function. GRASP55 depletion results in the missorting and secretion of the lysosomal enzyme cathepsin D (Xiang , 2013), though the mechanisms remain unclear.
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