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Fertility induction associated with improved peripheral reproductive parameters in male mice subjected to GH and levothyroxine replacement.
Arch Endocrinol Metab
January 2025
Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo Laboratório de Hormônios e Genética Molecular LIM/42 Divisão de Endocrinologia São PauloSP Brasil Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, Laboratório de Hormônios e Genética Molecular LIM/42 - Divisão de Endocrinologia, São Paulo, SP, Brasil.
Objective: The aim of this study was to characterize the parameters of reproductive anatomy and pituitary hormone expression levels in ames dwarf mice ).
Materials And Methods: Male mice aged 30 days received daily intraperitoneal injections of recombinant human GH and levothyroxine three times weekly for 60 days. The sexual maturation of these animals was compared with that of their wild-type ( ) and untreated ( ) siblings.
Sexual conflict underlying external female genital mutilation in spiders: assessing whether females benefit from multiple matings.
Proc Biol Sci
January 2025
Faculty of Applied Information Technology, Nagasaki Institute of Applied Science, Nagasaki, Japan.
External female genital mutilation (EFGM) is a type of traumatic mating in which males damage female genitalia, resulting in the loss of female re-mating ability. This study examined whether sexual conflict underlies EFGM by examining the possible female reproductive costs from the decreased number of matings in spider, . The female typically receives sperm from a male twice during a mating bout.
View Article and Find Full Text PDFGeographic differences in the phenology of gonadal development and moult, but not of egg laying, are genetically based in a small songbird.
Proc Biol Sci
January 2025
Department of Animal Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Wageningen, The Netherlands.
To forecast how fast populations can adapt to climate change, it is essential to determine the evolutionary potential of different life-cycle stages under selection. In birds, timing of gonadal development and moult are primarily regulated by photoperiod, while laying date is highly phenotypically plastic to temperature. We tested whether geographic variation in phenology of these life-cycle events between populations of great tits () has a genetic basis, indicating that contemporary genetic adaptation is possible.
View Article and Find Full Text PDFProstate Artery Embolization in the Setting of Prostate Cancer: Review and Opinion.
Cancer Control
January 2025
Department of Radiation Oncology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, USA.
Prostate Artery Embolization (PAE) is a novel minimally invasive angiographic technique that has been used effectively to treat men with lower urinary tract symptoms (LUTS) from benign prostatic hyperplasia (BPH). However, applications of PAE for men with prostate cancer have been minimally studied. This review serves as an update on the status of PAE in men with prostate cancer, as well as a discussion of emerging indications.
View Article and Find Full Text PDFHormonal Regulation of Urokinase- and Tissue-Type Plasminogen Activator in Mouse Sertoli Cells.
Mol Reprod Dev
January 2025
Department of Anatomy, Histology, Forensic Medicine and Orthopedic, Section of Histology, Sapienza University of Rome, Rome, Italy.
A role for the plasminogen activator (PA) system has been postulated in mammalian gonads, considering the complex process of morphogenesis these organs undergo during their development. Our results show that mouse Sertoli cells under basal conditions produce both types of PA, tissue-type PA (tPA) and urokinase-type PA (uPA), and hormonal treatments increase the production of both enzymes. The increased enzyme secretion does not correlate with a parallel increase in their mRNAs.
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