Published serum cholesterol values in captive western lowland gorillas (Gorilla gorilla gorilla) are much higher than human ranges, with a national mean of 7.36 mmol/L (284 mg/dl, n = 863). Complete blood lipid profiles were examined in 15 captive gorillas. High-density lipoprotein (HDL) was found to decrease more rapidly with age than total cholesterol, resulting in an increasing ratio of cholesterol HDL with age. The ratio of apolipoprotein B to apolipoprotein Al also increased with age. Establishment of a database of blood lipid values for captive gorillas with correlative analysis of animals with known atherosclerosis status may help to identify sensitive predictors of coronary heart disease risk.
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http://dx.doi.org/10.1638/05-064.1 | DOI Listing |
Immunogenetics
January 2025
Theoretical Biology and Bioinformatics, Department of Biology, Faculty of Science, Utrecht University, Utrecht, The Netherlands.
T cells recognize peptides displayed on the surface of cells on MHC molecules. Genetic variation in MHC genes alters their peptide-binding repertoire and thus influences the potential immune response generated against pathogens. Both gorillas and chimpanzees show reduced diversity at their MHC class I A (MHC-A) locus compared to humans, which has been suggested to be the result of a pathogen-mediated selective sweep.
View Article and Find Full Text PDFJ Trauma Dissociation
January 2025
School of Psychology, University of Galway, Galway, Ireland.
Poor sleep quality has been linked to both poor psychological and physical well-being. Mood and anxiety levels are affected by poor quality sleep, and the relationship between these variables appears to be mediated by a tendency to depersonalize or not. This study examines these relationships in 112 Adults (Female = 82, Male = 30), via an online study.
View Article and Find Full Text PDFAm J Biol Anthropol
January 2025
Michale E. Keeling Center for Comparative Medicine and Research, University of Texas MD Anderson Cancer Center, Bastrop, Texas, USA.
Objectives: Most human brains exhibit left hemisphere asymmetry for planum temporale (PT) surface area and gray matter volume, which is interpreted as cerebral lateralization for language. Once considered a uniquely human feature, PT asymmetries have now been documented in chimpanzees and olive baboons. The goal of the current study was to further investigate the evolution of PT asymmetries in nonhuman primates.
View Article and Find Full Text PDFJ Hum Evol
January 2025
New York Consortium in Evolutionary Primatology, New York, NY, USA; Ph.D. Program in Anthropology, Graduate Center of the City University of New York, 365 Fifth Avenue, NY 10016, USA; Department of Anthropology, Hunter College of the City University of New York, 695 Park Avenue, New York, NY 10065, USA; Division of Paleontology, American Museum of Natural History, Central Park West at 79th Street, New York, NY, 10024, USA.
Samburupithecus kiptalami is an ape found in Late Miocene deposits (ca. 9.5 Ma) of northern Kenya.
View Article and Find Full Text PDFPaediatr Perinat Epidemiol
January 2025
Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, Quebec, Canada.
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