Male infertility, age-related changes, and tumors have been increasingly studied in the field of male reproductive health due to the emergence of environmental stressors, declining fertility rates, and aging populations. Numerous studies have demonstrated that the ERK1/2 signaling pathway plays a significant role in male reproduction. The ERK1/2 pathway is associated with several signaling pathways and has a complex interplay that influences the spermatogenic microenvironment, sperm viability, gonadal axis regulation, as well as resistance to testicular aging and tumors. Moreover, the ERK1/2 pathway directly or indirectly regulates testicular somatic cells, which are crucial for maintaining spermatogenesis and microenvironment regulation. Given the critical role of the ERK1/2 signaling pathway in male reproductive health, comprehensive exploration of its multifaceted effects on male reproduction and underlying mechanisms is necessary. This study aims to provide a solid foundation for in-depth research in the field of male reproduction and further enhance the reproductive health of males.
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http://dx.doi.org/10.31083/j.fbl2901023 | DOI Listing |
PLoS One
January 2025
Department of Obstetrics and Gynecology, Muhimbili University of Health and Allied Sciences, MUHAS, Dar es Salaam, Tanzania.
Background: Despite existing policies promoting companionship, it remains uncommon in Tanzania. Pregnant women select a trusted individual to accompany them during childbirth, providing emotional, physical, and spiritual support. The World Health Organization recommends birth companionship as integral to intrapartum care for positive maternal and fetal outcomes.
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January 2025
Department of Neurology, the First Affiliated Hospital, Neuroscience Research Center, Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, China.
Sociosexual preference is critical for reproduction and survival. However, neural mechanisms encoding social decisions on sex preference remain unclear. In this study, we show that both male and female mice exhibit female preference but shift to male preference when facing survival threats; their preference is mediated by the dimorphic changes in the excitability of ventral tegmental area dopaminergic (VTA) neurons.
View Article and Find Full Text PDFPLoS One
January 2025
Department of Pediatrics, Copenhagen University Hospital-North Zealand, Hillerød, Denmark.
Background: Identification of mother-infant pairs predisposed to early cessation of exclusive breastfeeding is important for delivering targeted support. Machine learning techniques enable development of transparent prediction models that enhance clinical applicability. We aimed to develop and validate two models to predict cessation of exclusive breastfeeding within one month among infants born after 35 weeks gestation using machine learning techniques.
View Article and Find Full Text PDFPLoS Genet
January 2025
Epigenetics & Neurobiology Unit, EMBL Rome, European Molecular Biology Laboratory, Italy.
The reversible glycosylation of nuclear and cytoplasmic proteins (O-GlcNAcylation) is catalyzed by a single enzyme, namely O-GlcNAc transferase (OGT). The mammalian Ogt gene is X-linked, and it is essential for embryonic development and for the viability of proliferating cells. We perturbed OGT's function in vivo by creating a murine allelic series of four single amino acid substitutions, reducing OGT's catalytic activity to a range of degrees.
View Article and Find Full Text PDFSex Health
January 2025
Burnet Institute, Melbourne, Vic, Australia; and Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Vic, Australia; and Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Vic, Australia.
Background Partner notification is an important step in the control of sexually transmissible infections (STIs). STIs remain at high rates among young people and can have serious reproductive consequences if left untreated. This study aimed to determine the preferences and motivations for partner notification among young people in Australia.
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