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Progesterone affects periodontitis in perimenopausal women and in an experimental rat model.
J Dent Sci
January 2025
Department of Periodontology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Jinan, China.
Background/purpose: Progesterone (PG) is sex steroid hormone that commonly used to control menopausal symptoms, but its exact role in periodontitis remains unclear. This study aimed to investigate the effects of PG on periodontitis in perimenopausal women and in an experimental rat model.
Materials And Methods: Total 412 perimenopausal women with periodontitis and a history of PG deficiency-induced uterine dysfunctional bleeding were enrolled, among which 209 women had been treated with PG.
Background And Aims: Primary nocturnal enuresis (PNE) is a common pediatric condition characterized by involuntary nighttime bed wetting. Primary monosymptomatic nocturnal enuresis (PMNE) is associated with altered antidiuretic hormone (ADH) secretion and lacks lower urinary tract symptoms. This study aimed to compare serum ADH levels between children with PMNE and a comparison group to explore its potential role in the pathophysiology of PMNE.
View Article and Find Full Text PDFFluorescent visualization and evaluation of NPC1L1-mediated vesicular endocytosis during intestinal cholesterol absorption in mice.
Life Metab
April 2023
Department of Pathophysiology, Naval Medical University, Shanghai 200433, China.
Excessive cholesterol absorption from intestinal lumen contributes to the pathogenesis of hypercholesterolemia, which is an independent risk factor for atherosclerotic cardiovascular disease. Niemann-Pick C1-like 1 (NPC1L1) is a major membrane protein responsible for cholesterol absorption, in which the physiological role of vesicular endocytosis is still controversial, and it lacks a feasible tool to visualize and evaluate the endocytosis of NPC1L1 vesicles . Here, we genetically labeled endogenous NPC1L1 protein with EGFP in a knock-in mouse model, and demonstrated fluorescent visualization and evaluation of the endocytic vesicles of NPC1L1-cago during intestinal cholesterol absorption.
View Article and Find Full Text PDFChronic Stress Mediates Inflammatory Cytokines Alterations and Its Role in Tumorigenesis.
J Inflamm Res
January 2025
Department of Otorhinolaryngology-Head & Neck Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China.
Introduction: Prolonged psychological stress is closely associated with cancer due to its role in promoting the release of stress hormones through the sustained activation of the sympathetic-adrenal-medullary system. These hormones interact with receptors on inflammatory cells, leading to the activation of key signaling pathways, including the transcription factors signal transducer and activator of transcription 3 (STAT-3) and kappa-light-chain-enhancer of activated B cells (NF-κB). These factors drive the production of pro-inflammatory substances, such as interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α), which can influence the initiation and progression of cancer.
View Article and Find Full Text PDFDecreased lymph node estrogen levels cause nonremitting progressive experimental autoimmune encephalomyelitis disease.
PNAS Nexus
January 2025
Department of Comparative Biosciences, The University of Illinois at Urbana-Champaign, 2001 South Lincoln Avenue, Urbana, IL 61802, USA.
Estrogen, a steroid hormone synthesized by both gonadal and nongonadal tissues, plays a pivotal role in modulating immune responses, including reducing relapse rates in relapsing-remitting multiple sclerosis (MS). This study explored the expression of aromatase, the enzyme responsible for estrogen synthesis, in lymph nodes (LNs) and its potential role in the pathogenesis of MS using a mouse model. We utilized Cyp19-RFP mice where cells that express or have previously expressed the Cyp19 gene (encoding aromatase) are marked by red fluorescent protein (RFP).
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