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Short-term evolutionary implications of an introgressed size-determining supergene in a vulnerable population.
Nat Commun
January 2025
Florida Museum of Natural History, Dickinson Hall, 1659 Museum Road, Gainesville, FL, 32611, USA.
The Thorny Skate (Amblyraja radiata) is a vulnerable species displaying a discrete size-polymorphism in the northwest Atlantic Ocean (NWA). We conducted whole genome sequencing of samples collected across its range. Genetic diversity was similar at all sampled sites, but we discovered a ~ 31 megabase bi-allelic supergene associated with the size polymorphism, with the larger size allele having introgressed in the last ~160,000 years B.
View Article and Find Full Text PDFImpact of monosodium glutamate-induced obesity on learning, memory, and DNA damage: sex-based comparative study in rats.
Physiol Behav
January 2025
Department of Internal Medicine, Faculty of Medicine, Pamukkale University, Denizli, Türkiye.
Obesity is a global health crisis linked to numerous adverse outcomes including cardiovascular disease, type 2 diabetes, cancer and cognitive decline. This study investigated the sex-specific effects of monosodium glutamate (MSG)-induced obesity on learning, memory, anxiety-like behavior, oxidative stress, and genotoxicity in rats. In 32 neonatal Wistar albino rats, subcutaneous MSG injections were administered to induce obesity.
View Article and Find Full Text PDFVAX014 Activates Tumor-Intrinsic STING and RIG-I to Promote the Development of Antitumor Immunity.
Mol Cancer Ther
January 2025
Vaxiion Therapeutics (United States), San Diego, California, United States.
In situ immunization (ISI) has emerged as a promising approach to bolster early phases of the cancer immunity cycle through improved T cell priming. One class of ISI agents, oncolytic viruses (OVs), has demonstrated clinical activity, but overall benefit remains limited. Mounting evidence suggests that due to their inherent vulnerability to antiviral effects of type I interferon (IFN), OVs have limited activity in solid tumors expressing stimulator of interferon genes (STING) and/or retinoic acid-inducible gene I (RIG-I).
View Article and Find Full Text PDFCompositional brain scores capture Alzheimer's disease-specific structural brain patterns along the disease continuum.
Alzheimers Dement
January 2025
Barcelonaβeta Brain Research Center (BBRC), Pasqual Maragall Foundation, Barcelona, Spain.
Introduction: Traditional multivariate methods for neuroimaging studies overlook the interdependent relationship between brain features. This study addresses this gap by analyzing relative brain volumetric patterns to capture how Alzheimer's disease (AD) and genetics influence brain structure along the disease continuum.
Methods: This study analyzed data from participants across the AD continuum from the Alzheimer's and Families (ALFA) and Alzheimer's Disease Neuroimaging Initiative (ADNI) studies.
Background: A significant proportion of individuals maintain healthy cognitive function despite having extensive Alzheimer's disease (AD) pathology, known as cognitive resilience. Understanding the molecular mechanisms that protect these individuals can identify therapeutic targets for AD dementia. This study aims to define molecular and cellular signatures of cognitive resilience, protection and resistance, by integrating genetics, bulk RNA, and single-nucleus RNA sequencing data across multiple brain regions from AD, resilient, and control individuals.
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