Objective: Activated protein C (APC) resistance not related to the factor V Leiden mutation is a risk factor for venous thrombosis. Oral estrogen replacement therapy (ERT) has been reported to induce APC resistance. Little is known about the effect of transdermal estrogen.
Methods And Results: We enrolled 196 postmenopausal women who were randomly allocated to receive either 1 mg 17beta-estradiol orally (n=63) or 50 microg 17beta-estradiol transdermally per day (n=68), both associated with 100 mg progesterone daily or placebo (n=65) for 6 months. An activated partial thromboplastin time (APTT)-based test and the effect of APC on thrombin potential (ETP) were used. Oral ERT induced an ETP-based APC resistance compared with both placebo (P=0.006) and transdermal ERT (P<0.001), but there was no significant effect of transdermal ERT compared with placebo (P=0.191). There was no significant effect of ERT on the APTT-based APC sensitivity ratio. Prothrombin fragment 1+2 plasma levels were significantly higher after 6 months of treatment in women allocated to oral ERT compared with those on placebo and transdermal ERT and were positively and significantly correlated with changes in ETP-based APC sensitivity ratio.
Conclusions: Our data show that oral, unlike transdermal, estrogen induces APC resistance and activates blood coagulation. These results emphasize the importance of the route of estrogen administration.
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http://dx.doi.org/10.1161/01.ATV.0000087141.05044.1F | DOI Listing |
Viruses
December 2024
APC Microbiome Ireland, School of Microbiology, University College Cork, College Road, T12 K8AF Cork, Ireland.
Access to safe water and food is a critical issue in sub-Saharan Africa, where microbial contamination poses significant health risks. Conventional water treatment and food preservation methods have limitations in addressing water safety, particularly for antibiotic-resistant bacteria and other pathogenic microorganisms. This review explores the potential application of bacteriophages as an innovative solution for water treatment and food safety in the region.
View Article and Find Full Text PDFAntibiotics (Basel)
November 2024
Hygiene Division, Department of Microbiology, "Victor Babes" University of Medicine and Pharmacy Timisoara, Victor Babes No. 16, 300226 Timisoara, Romania.
Antimicrobial resistance (AMR) is a critical global health threat, leading to increased morbidity, mortality, and healthcare costs. This study aimed to identify the most common bacterial pathogens and their resistance profiles from 2179 positive clinical cultures from inpatients at "Victor Babes" Hospital of Infectious Disease and Pneumoftiziology Timisoara in 2023. Samples were collected from sputum, bronchial aspiration, hemoculture, urine, wound secretions, catheter samples, and other clinical specimens.
View Article and Find Full Text PDFLife Sci
January 2025
University of Navarra, Center for Nutrition Research, c/Irunlarrea 1, 31008 Pamplona, Spain; Navarra Institute for Health Research (IdiSNA), Pamplona, Spain.
Aims: Gestational diabetes mellitus (GDM) is the most common complication of pregnancy and is known to be associated with an increased risk of postpartum metabolic disease. Based on the important role that the intestinal microbiota plays in blood glucose regulation and insulin sensitivity, supplementation of probiotic and postbiotic strains could improve glucose metabolism and tolerance in GDM.
Main Methods: 56 4-week-old female C57BL/6J-mice were divided into 4 groups (n = 14 animals/group): control (CNT), high-fat/high-sucrose (HFS), pA1c® alive (pA1c®) and heat-inactivated pA1c® (pA1c®HI).
Nat Rev Endocrinol
January 2025
Nutrition and Obesities: Systemic Approach Research Group, Nutriomics, Sorbonne Université, INSERM, Paris, France.
Adipose tissue demonstrates considerable plasticity and heterogeneity, enabling metabolic, cellular and structural adaptations to environmental signals. This adaptability is key for maintaining metabolic homeostasis. Impaired adipose tissue plasticity can lead to abnormal adipose tissue responses to metabolic cues, which contributes to the development of cardiometabolic diseases.
View Article and Find Full Text PDFFront Vet Sci
December 2024
Faculty of Veterinary Medicine, Helsinki One Health, University of Helsinki, Helsinki, Finland.
Background: Canine gastroenteritis (CGE) is a common cause for seeking veterinary care in companion animal medicine and an area where antibiotics have been reported to be widely used. Therefore, creating relevant benchmarks for antibiotic use in CGE is important when implementing and analyzing antibiotic stewardship interventions. The aim of this paper was to describe the level and temporal trend of systemic antibiotic use for CGE in Sweden between 2020 and 2023.
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