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Filename: controllers/Detail.php
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File: /var/www/html/index.php
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Function: _error_handler
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Function: strpos
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Function: insertAPISummary
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Mutations near allosteric sites can have a significant impact on the function of KRAS. Three specific mutations, K104Q, G12D/K104Q, and G12D/G75A, which are located near allosteric positions, were selected to investigate the molecular mechanisms behind mutation-induced influences on the activity of KRAS. Gaussian accelerated molecular dynamics (GaMD) simulations followed by the principal component analysis (PCA) were performed to improve the sampling of conformational states. The results revealed that these mutations significantly alter the structural flexibility, correlated motions, and dynamic behavior of the switch regions that are essential for KRAS binding to effectors or regulators. Furthermore, the mutations have a significant impact on the hydrogen bonding interactions between GDP and the switch regions, as well as on the electrostatic interactions of magnesium ions (Mg) with these regions. Our results verified that these mutations strongly influence the binding of KRAS to its effectors or regulators and allosterically regulate the activity. We believe that this work can provide valuable theoretical insights into a deeper understanding of KRAS function.Communicated by Ramaswamy H. Sarma.
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http://dx.doi.org/10.1080/07391102.2024.2331627 | DOI Listing |
Clin Transl Oncol
December 2024
Department of Medical Oncology, Senior Department of Oncology, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China.
Purpose: The clinicopathologic features, mutational status, immunohistochemical markers, and prognosis of Pulmonary sarcomatoid carcinoma (PSC) remain uncertain.
Methods: This study included 81 PSC and 337 lung adenocarcinomas (LUAD). Progression-free survival (PFS), overall survival (OS), and other clinical data were examined.
Virus Evol
November 2024
Department of Biology, University of Maryland, College Park, MD 20742, USA.
The enormous diversity of bacteriophages and their bacterial hosts presents a significant challenge to predict which phages infect a focal set of bacteria. Infection is largely determined by complementary-and largely uncharacterized-genetics of adsorption, injection, cell take-over, and lysis. Here we present a machine learning approach to predict phage-bacteria interactions trained on genome sequences of and phenotypic interactions among 51 strains and 45 phage λ strains that coevolved in laboratory conditions for 37 days.
View Article and Find Full Text PDFOxid Med Cell Longev
December 2024
Department of Medical Laboratory Science, School of Allied Health Sciences, University of Cape Coast, Cape Coast, Ghana.
Schistosomiasis is considered one of the most devastating parasitic diseases globally, coming second only to malaria in terms of morbidity. The disease-causing parasite can inhabit the body for over a decade, leading to imbalances in the host's metabolic systems. The flukes and their eggs can illicit various immunological and metabolic complications resulting in the generation of reactive oxygen species (ROS).
View Article and Find Full Text PDFFront Genet
December 2024
Department of Molecular and Medical Genetics, Tbilisi State Medical University, Tbilisi, Georgia.
Spinal muscular atrophy (SMA) is a progressive neuromuscular disorder caused by mutations in , with disease severity influenced by the number of copies. Although SMA is one of the most common autosomal recessive disorders, molecular diagnosis still presents challenges. We present a case series illustrating the variable clinical presentations and diagnostic complexities of spinal muscular atrophy (SMA).
View Article and Find Full Text PDFStem Cell Res
December 2024
National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD, USA. Electronic address:
Human induced pluripotent stem cell (iPSC) lines TRNDi037-A and TRNDi038-A were generated from the lymphoblastoid cell lines (LCL) of two patients with different heterozygous JAG1 variants resulting in Alagille syndrome (ALGS). ALGS is a rare genetic disease of haploinsufficiency that affects the formation of the bile duct, in addition to other symptoms. These ALGS iPSC lines can be used to model ALGS and aid in the identification of therapeutics to treat patients with ALGS.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!