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Biochanin a modulates steroidogenesis and cellular metabolism in human granulosa cells through TAS2Rs activation: a spotlight on ovarian function.
Reprod Biol Endocrinol
January 2025
Department of Molecular and Developmental Medicine, Siena University, Siena, 53100, Italy.
Background: Endocrine-disrupting chemicals (EDCs) interfere with the endocrine system and negatively impact reproductive health. Biochanin A (BCA), an isoflavone with anti-inflammatory and estrogen-like properties, has been identified as one such EDC. This study investigates the effects of BCA on transcription, metabolism, and hormone regulation in primary human granulosa cells (GCs), with a specific focus on the activation of bitter taste receptors (TAS2Rs).
View Article and Find Full Text PDFLoss of Affects m6A Modification but Not Semen Characteristics in Bull Spermatozoa.
Int J Mol Sci
January 2025
State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010070, China.
N6-methyladenosine (m6A) modification is a key methylation modification involved in reproductive processes. gene editing (MT) in cattle is known to enhance muscle mass and productivity. However, the changes in m6A modification in MT bull sperm remain poorly understood.
View Article and Find Full Text PDFAn Alternative Mode of GPCR Transactivation: Activation of GPCRs by Adhesion GPCRs.
Int J Mol Sci
January 2025
Department of Microbiology and Immunology, Graduate School of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan.
G protein-coupled receptors (GPCRs), critical for cellular communication and signaling, represent the largest cell surface protein family and play important roles in numerous pathophysiological processes. Consequently, GPCRs have become a primary focus in drug discovery efforts. Beyond their traditional G protein-dependent signaling pathways, GPCRs are also capable of activating alternative signaling mechanisms, including G protein-independent signaling, biased signaling, and signaling crosstalk.
View Article and Find Full Text PDFMycobacteria Exploit Host GPR84 to Dampen Pro-Inflammatory Responses and Promote Infection in Macrophages.
Microorganisms
January 2025
Shanghai Public Health Clinical Center, Fudan University, Shanghai 201508, China.
Tuberculosis (TB) remains the major cause of mortality and morbidity, causing approximately 1.3 million deaths annually. As a highly successful pathogen, () has evolved numerous strategies to evade host immune responses, making it essential to understand the interactions between and host cells.
View Article and Find Full Text PDFG Protein-Coupled Receptor 17 Inhibits Glucagon-like Peptide-1 Secretion via a Gi/o-Dependent Mechanism in Enteroendocrine Cells.
Biomolecules
December 2024
Herman B Wells Center for Pediatric Research, Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
Gut peptides, including glucagon-like peptide-1 (GLP-1), regulate metabolic homeostasis and have emerged as the basis for multiple state-of-the-art diabetes and obesity therapies. We previously showed that G protein-coupled receptor 17 (GPR17) is expressed in intestinal enteroendocrine cells (EECs) and modulates nutrient-induced GLP-1 secretion. However, the GPR17-mediated molecular signaling pathways in EECs have yet to be fully deciphered.
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