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Comparison of bison and elk susceptibility to experimental challenge with strain 2308.
Front Vet Sci
January 2025
Infectious Bacterial Diseases of Livestock Research Unit, National Animal Disease Center, Agricultural Research Service, United States Department of Agriculture, Ames, IA, United States.
Introduction: Brucellosis is endemic in bison and elk in Yellowstone National Park and surrounding areas.
Methods: A comparative study was conducted using data from naive ( = 82 and 67, respectively) and strain RB51 (RB51) vaccinated (n-99 and 29, respectively) bison and elk experimentally challenged with virulent strain during pregnancy.
Results: The incidence of abortion, fetal infection, uterine or mammary infection, or infection in maternal tissues after experimental challenge was greater ( < 0.
A high-fat meal significantly impacts the bioavailability and biphasic absorption of cannabidiol (CBD) from a CBD-rich extract in men and women.
Sci Rep
January 2025
Division of Human Nutrition and Health, Wageningen University, Stippeneng 4, 6708 WE, Wageningen, The Netherlands.
Cannabidiol (CBD), a specialized metabolite (phytocannabinoid) abundant in Cannabis sativa, is attracting increasing attention for its alleged health-promoting properties. The present study aimed to investigate the pharmacokinetics of CBD and its primary metabolite, 7-hydroxy-cannabidiol (7-OH-CBD), following a single oral dose of a CBD-rich Cannabis sativa extract, equivalent to 70 mg CBD, in healthy male (n=5) and female (n=6) participants. Using a randomized crossover design, the study evaluated the impact of a standardized high-fat meal compared to fasting on the oral bioavailability of CBD.
View Article and Find Full Text PDFCerebral malaria (CM) is a severe complication of Plasmodium falciparum infection, with resistance to antimalarial drugs, including artemisinin-based combination therapies(ACTs), posing a significant threat. CD4+ naive cells expressing CCR7 are known to play a protective role, as they readily migrate to secondary lymphoid tissues activated by CCL19 chemokines. In an effort to address this challenge, we investigated the impact of Annona muricata, an herbaceous and immunomodulatory plant, on CCL19 concentration.
View Article and Find Full Text PDFLymphatic vessel network injury reduces local tumor control despite preservation of the tumor-draining lymph node.
Sci Rep
January 2025
Wallace H. Coulter Department of Biomedical Engineering, Emory University and Georgia Institute of Technology, Atlanta, GA, USA.
The lymphatic system plays complex, often contradictory, roles in many cancers, including melanoma; these roles include contributions to tumor cell metastasis and immunosuppression in the tumor microenvironment as well as generation of antitumor immunity. Advancing our understanding of lymphatic vessel involvement in regulating tumor growth and immune response may provide new therapeutic targets or treatment plans to enhance the efficacy of existing therapies. We utilized a syngeneic murine melanoma model in which we surgically disrupted the lymphatic vessel network draining from the tumor to the tumor-draining lymph node (TDLN) while leaving the TDLN intact.
View Article and Find Full Text PDFA single-cell atlas of normal and KRASG12D-malformed lymphatic vessels.
JCI Insight
January 2025
Hamon Center for Therapeutic Oncology Research, UT Southwestern Medical Center, Dallas, United States of America.
Somatic activating mutations in KRAS can cause complex lymphatic anomalies (CLAs). However, the specific processes that drive KRAS-mediated CLAs have yet to be fully elucidated. Here, we used single-cell RNA sequencing to construct an atlas of normal and KrasG12D-malformed lymphatic vessels.
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