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Filename: controllers/Detail.php
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Function: _error_handler
File: /var/www/html/index.php
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Function: require_once
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Filename: controllers/Detail.php
Line Number: 249
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File: /var/www/html/application/controllers/Detail.php
Line: 249
Function: _error_handler
File: /var/www/html/index.php
Line: 316
Function: require_once
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Message: Trying to access array offset on value of type null
Filename: controllers/Detail.php
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File: /var/www/html/application/controllers/Detail.php
Line: 249
Function: _error_handler
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Message: Trying to access array offset on value of type null
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File: /var/www/html/application/controllers/Detail.php
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Filename: models/Detail_model.php
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Function: strpos
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Function: insertAPISummary
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Filename: controllers/Detail.php
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Function: _error_handler
File: /var/www/html/index.php
Line: 316
Function: require_once
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Filename: controllers/Detail.php
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Function: require_once
Mcl-1, which is an anti-apoptotic member of the Bcl-2 protein family, is overexpressed in various cancers and promotes the aberrant survival of tumor cells. To inhibit Mcl-1, and initiate apoptosis, an interaction between BH3-only proteins and Mcl-1 anti-apoptotic protein is necessary. These protein-protein interactions exhibit some selectivity: Mcl-1 binds specifically to Noxa, whereas Bim and Puma bind strongly to all anti-apoptotic proteins. Even if the three-dimensional (3D) structures of several Mcl-1/BH3-only complexes have been solved, the BH3-only binding specificity to Mcl-1 is still not completely understood. In this study, molecular dynamics simulations were used to elucidate the molecular basis of the interactions with Mcl-1. Our results corroborate the importance of four conserved hydrophobic residues and a conserved aspartic acid on BH3-only as a common binding pattern. Furthermore, our results highlight the contribution of the fifth hydrophobic residue in the C-terminal part and a negatively charged patch in the N-terminal of BH3-only peptides as important for their fixation to Mcl-1. We hypothesize that this negatively charged patch will be an Mcl-1 specific binding pattern.
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http://dx.doi.org/10.1021/acs.jcim.7b00396 | DOI Listing |
Mol Biol Cell
December 2024
i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal.
The microtubule motor cytoplasmic dynein-1 transports and positions various organelles, but the molecular basis of this functional diversity is not fully understood. Cargo adaptors of the Hook protein family recruit dynein to early endosomes (EE) in fungi and human cells by forming the FTS-Hook-FHIP (FHF) complex. By contrast, the Hook homolog ZYG-12 recruits dynein to the nuclear envelope (NE) in the meiotic gonad and mitotic early embryo by forming a Linker of Nucleoskeleton and Cytoskeleton (LINC) complex.
View Article and Find Full Text PDFMol Cell Biochem
December 2024
Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang Medical University, Henan Xinxiang, 453003, People's Republic of China.
To investigate the promoting effect of extracellular vesicles derived from myocardial cells (CM-EVs) on the reprogramming of cardiac fibroblasts (CFs) into cardiomyocyte-like cells (iCMs) and their therapeutic effect on myocardial infarction (MI) in rats. Cell experiments: The differential adhesion method was used to obtain Sprague Dawley (SD) suckling rat CFs and cardiomyocytes (CMs), while the ultracentrifugation method was used to obtain CM-EVs. Transmission electron microscopy and nanoparticle tracking technology were used to analyze and determine the morphology and particle size of CM-EVs.
View Article and Find Full Text PDFEnviron Sci Technol
December 2024
Institute of Pesticide and Environmental Toxicology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, P. R. China.
Chlorpyrifos (CPF) is a widely used organophosphate insecticide with serious toxicological effects on aquatic animals. Although extensively studied for neurotoxicity and endocrine disruption, its stage-specific effects on amphibian metamorphosis and receptor-level interactions remain unclear. This study investigated the effects of CPF on metamorphosis at environmentally relevant concentrations (1.
View Article and Find Full Text PDFFASEB J
December 2024
Key Laboratory of Pathobiology, Ministry of Education, China-Japan Union Hospital of Jilin University, Changchun, China.
Multi-target strategy can serve as a valid treatment for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), but existing drugs most focus on a single target. Thus, multi-target drugs that bind multiple sites simultaneously need to be urgently studied. Apigenin has antiviral and anti-inflammatory properties.
View Article and Find Full Text PDFAnal Chem
December 2024
Instituto de Biomedicina y Genética Molecular, Unidad de Excelencia, University of Valladolid-CSIC, Valladolid 47003, Spain.
Lipid rafts are liquid-ordered domains in which specific enzymes and receptors are located. These membrane platforms play crucial roles in a variety of signaling pathways. Alterations in the lipid environment, such as those elicited by oxidative stress, can lead to important functional disruptions in membrane proteins.
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