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Seven up regulates reproductive diapause initiation via juvenile hormone biosynthesis in the cabbage beetle Colaphellus bowringi.
Insect Sci
January 2025
Hubei Key Laboratory of Resources Utilization and Sustainable Pest Management, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China.
Reproductive diapause is an insect survival strategy in which reproduction temporarily halts in response to adverse environmental changes. This process is characterized by arrested ovarian development and lipid accumulation in females. A reduction in juvenile hormone (JH) biosynthesis is known to initiate reproductive diapause, but its regulatory mechanism remains unclear.
View Article and Find Full Text PDFComparing the Effect of Heat Therapy and Mitochondrial-Targeted Antioxidants in Polycystic Ovarian Syndrome Phenotype Induced by Junk Food Consumption.
Reprod Sci
January 2025
Department of Physiology, Faculty of Medicine, Cairo University, Cairo, Egypt.
Polycystic ovarian syndrome (PCOS) is a complex endocrine-metabolic disorder, and multiple factors contribute to its pathophysiology. The current study assessed a PCOS-like animal model induced by consuming a high-fat sugar (HFHS) diet and compared the treatment outcome of mitochondrial-targeted antioxidants versus heat therapy. Sixty rats were divided into the following study groups: three control groups (negative and positive for the treatments used), HFHS, hot tub therapy (HTT) treatment, and MitoQ10 treatment (500 µmol/L MitoQ10 in clean drinking water daily, from week fourteen till week twenty-two of the study).
View Article and Find Full Text PDFEffects of Intrauterine Isoproterenol Administration on Ovarian Follicular Development in Cows.
Vet Med Sci
January 2025
Department of Biochemistry, Faculty of Veterinary Medicine, Erzurum, Turkey.
Background: Isoproterenol (ISO) is a nonselective beta-adrenergic receptor agonist known for its vasodilatory effects. This experiment aims to investigate whether intrauterine ISO administration could alter vascular indices and follicular development in postpartum Holstein cows.
Objectives: The objectives are to evaluate the effects of intrauterine ISO administration on vascular changes and its impact on follicular development compared to placebo groups.
How do lifestyle and environmental factors influence the sperm epigenome? Effects on sperm fertilising ability, embryo development, and offspring health.
Clin Epigenetics
January 2025
Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, 17003, Girona, Spain.
Recent studies support the influence of paternal lifestyle and diet before conception on the health of the offspring via epigenetic inheritance through sperm DNA methylation, histone modification, and small non-coding RNA (sncRNA) expression and regulation. Smoking may induce DNA hypermethylation in genes related to anti-oxidation and insulin resistance. Paternal diet and obesity are associated with greater risks of metabolic dysfunction in offspring via epigenetic alterations in the sperm.
View Article and Find Full Text PDFReal-world outcomes of first-line maintenance niraparib monotherapy in patients with epithelial ovarian cancer.
Future Oncol
January 2025
Division of Gynecologic Oncology, The Ohio State University Wexner Medical Center and James Hospital Comprehensive Cancer Center, Columbus, OH, USA.
Aims: To assess real-world progression-free survival (rwPFS) and time to next treatment (rwTTNT) among patients with epithelial ovarian cancer (EOC) who received first-line maintenance (1LM) niraparib monotherapy.
Patients & Methods: In this US-nationwide, electronic health record-derived, deidentified database study, eligible patients with EOC initiated 1LM niraparib monotherapy (1 January 2017-1 December 2022) following first-line platinum-based chemotherapy. Median rwPFS and rwTTNT were estimated with Kaplan-Meier methodology overall and in a homologous recombination-deficient (HRd) subgroup (further stratified as wild-type [wt] or -mutated [m]).
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