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| http://dx.doi.org/10.1371/journal.pntd.0002624 | DOI Listing |
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Ethnic Inequity in the Current Approach to H. pylori Testing and Treatment: Linked Data Cohort Analysis.
Helicobacter
January 2025
Department of Public Health, University of Otago, Wellington, South, New Zealand.
Background: As seen globally, there are up to sixfold differences in gastric cancer mortality by ethnicity in Aotearoa New Zealand, and H. pylori is the major modifiable risk factor. This study investigates whether current H.
View Article and Find Full Text PDFHLA-E/ specific CD4 and CD8 T cells have a memory phenotype in individuals with TB infection.
Front Immunol
January 2025
Leiden University Center for Infectious Diseases, Leiden University Medical Center, Leiden, Netherlands.
Introduction: Tuberculosis (TB) is the deadliest infectious disease worldwide and novel vaccines are urgently needed. HLA-E is a virtually monomorphic antigen presentation molecule and is not downregulated upon HIV co-infection. HLA-E restricted specific CD8 T cells are present in the circulation of individuals with active TB (aTB) and infection (TBI) with or without HIV co-infection, making HLA-E restricted T cells interesting vaccination targets for TB.
View Article and Find Full Text PDFAfrican elephants () are megaherbivores of the African savannas requiring extensive ranges that can provide critical resources for their survival and reproduction at different spatiotemporal scales. We studied seasonal differences in home range sizes and daily distance to the nearest surface water sources by five male and 10 female African elephants in the eastern Okavango Panhandle in northern Botswana between 2014 and 2017. We hypothesized that (i) elephant home ranges would be larger in the wet than in the dry season (because critical resources tend to be less localized in the wet than in the dry season), (ii) the daily distance of the elephants to the nearest ephemeral surface water sources would be larger in the dry than in the wet season because many of the ephemeral water sources would be dry in the dry season and elephants would start moving towards permanent water sources such as rivers, and lastly (iii) that the differences in elephant home ranges and daily distance to water would differ between sexes.
View Article and Find Full Text PDFA Highly Divergent Mitochondrial Genome in Extant Cape Buffalo From Addo Elephant National Park, South Africa.
Ecol Evol
January 2025
Molecular Ecology and Evolution Programme, Department of Biochemistry, Genetics and Microbiology University of Pretoria Pretoria South Africa.
The reduced cost of next-generation sequencing (NGS) has allowed researchers to generate nuclear and mitochondrial genome data to gain deeper insights into the phylogeography, evolutionary history and biology of non-model species. While the Cape buffalo () has been well-studied across its range with traditional genetic markers over the last 25 years, researchers are building on this knowledge by generating whole genome, population-level data sets to improve understanding of the genetic composition and evolutionary history of the species. Using publicly available NGS data, we assembled 40 Cape buffalo mitochondrial genomes (mitogenomes) from four protected areas in South Africa, expanding the geographical range and almost doubling the number of mitogenomes available for this species.
View Article and Find Full Text PDFThe potential protective effects of curcumin on the diabetic ovary: Experimental and molecular approaches.
Histol Histopathol
December 2024
Department of Histology and Embryology, Ondokuz Mayıs University, Samsun, Türkiye.
Diabetes mellitus (DM) causes numerous systemic diseases in animals and humans. This may also lead to reproductive problems among individuals of reproductive age. Detrimental effects such as apoptosis in ovarian granulosa cells, degradation of communication proteins, decreased oocyte quality, delayed meiotic maturation, and atrophy are among the increasing evidence that chronic hyperglycemia causes reproductive problems.
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