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Targeting the tumor immune microenvironment: GPCRs as key regulators in triple-negative breast cancer.
Int Immunopharmacol
December 2024
Department of Biochemistry and Molecular Biology, Jining Medical University, Jining, China. Electronic address:
Triple-negative breast cancer (TNBC) poses a significant clinical challenge due to its aggressive nature and limited therapeutic options. Recent research underscores the pivotal role of G protein-coupled receptors (GPCRs) in shaping the tumor immune microenvironment (TIME) within TNBC. This review focuses on four principal GPCRs-chemokine receptors, sphingosine-1-phosphate receptors, prostaglandin E2 receptors, and lactate receptors-that have garnered substantial attention in TNBC studies.
View Article and Find Full Text PDFSerum vitamin D levels and their correlation with pro-inflammatory prostaglandins in Acute myeloid leukemia: a cross-sectional analysis.
Sci Rep
December 2024
Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
Background This study investigated the association between prostaglandins, vitamin D levels, and their potential role in acute myeloid leukemia (AML). Previous research has shown prostaglandins' stimulatory effects and vitamin D's inhibitory effects in various malignancies. Methods This cross-sectional study evaluated 54 AML patients at Shahid Ghazi Center of Imam Reza Hospital in Tabriz.
View Article and Find Full Text PDFPGE and HCN2 ion channels are critical mediators of pain initiated by angiotensin II.
Brain Behav Immun
December 2024
Wolfson Sensory, Pain and Regeneration Centre, King's College London, Guy's Campus, London Bridge, London SE1 1UL, UK. Electronic address:
Angiotensin II is well known to have an important influence on blood pressure, mediated via the angiotensin II type 1 receptor (AT1R), and more recent studies have shown that angiotensin II may play an important additional role in eliciting pain via a distinct action at the angiotensin II type 2 receptor (AT2R). Signalling pathways that link activation of AT2R to a sensation of pain are, however, incompletely understood. Here we use rodent inflammatory pain models to confirm that selective activation of AT2R triggers aversive responses, and that these are abolished by either antagonism or genetic deletion of AT2R.
View Article and Find Full Text PDFProstaglandin pathways in equine myometrium regulations: endometrosis progression.
Front Vet Sci
December 2024
Reproductive Immunology and Pathology, Institute of Animal Reproduction and Food Research Polish Academy of Science, Olsztyn, Poland.
Introduction: Prostaglandins (PG) are important regulators of the myometrial contractility in mammals. Endometrosis, a condition characterized by morphological changes in the equine endometrium, also affects endometrial secretory function. However, it remains unclear whether and how endometrosis affects myometrial function.
View Article and Find Full Text PDFInducing phospholipase A2 and cyclooxygenase-2 expression and prostaglandins' production of human dental pulp cells by activation of NOD receptor and its downstream signaling.
Int J Biol Macromol
December 2024
School of Dentistry, National Taiwan University Medical College, Taipei, Taiwan; Department of Dentistry, National Taiwan University Hospital, Taipei, Taiwan; School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Dentistry, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan. Electronic address:
Dental caries with invasion and infection by microorganisms may induce pulpitis and intolerable pain. L-Ala-γ-D-Glu-mDAP (TriDAP) is a DAP-comprising muramyl tripeptide and a peptidoglycan degradation product found in gram-negative pulpal pathogens. TriDAP activates nucleotide-binding oligomerization domain1/2 (NOD1/NOD2) and induces tissue inflammatory responses.
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