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| http://dx.doi.org/10.21037/tau.2017.03.88 | DOI Listing |
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The Impact of Parental Preconception Nutrition, Body Weight, and Exercise Habits on Offspring Health Outcomes: A Narrative Review.
Nutrients
December 2024
AdventHealth Ocala, 1500 SW 1st Ave, Ocala, FL 34471, USA.
An increasing number of studies highlight the critical role of both maternal and paternal nutrition and body weight before conception in shaping offspring health. Traditionally, research has focused on maternal factors, particularly in utero exposures, as key determinants of chronic disease development. However, emerging evidence underscores the significant influence of paternal preconception health on offspring metabolic outcomes.
View Article and Find Full Text PDFImpact of Human Papillomavirus (HPV) on Male and Female Fertility.
Pathogens
December 2024
Department of Infectious Agents and Hygiene, University Hospital of Saint-Etienne, 42023 Saint-Etienne, France.
Human papillomaviruses (HPVs) are responsible for the majority of sexually transmitted infections (STIs), some of which are oncogenic and can cause oropharyngeal or genital cancers. The HPV prevalence at the genital level varies according to the population studied but is higher in the seminal fluid of men suffering from idiopathic infertility than in the general population. The involvement of HPV in male infertility is supported by several studies suggesting that this virus can affect sperm quality by altering sperm DNA integrity, motility, number, viability, and morphology, and by inducing the production of anti-sperm antibodies (ASAs).
View Article and Find Full Text PDFPaternal Contributions to Recurrent Pregnancy Loss: Mechanisms, Biomarkers, and Therapeutic Approaches.
Medicina (Kaunas)
November 2024
Laboratory of Spermatology, Department of Urology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece.
: Recurrent pregnancy loss (RPL) affects numerous couples worldwide and has traditionally been attributed mainly to maternal factors. However, recent evidence highlights significant paternal influences on pregnancy viability and outcomes. This review aims to comprehensively examine male contributions to pregnancy loss, focusing on underlying mechanisms, novel biomarkers, and integrated strategies for improved reproductive success.
View Article and Find Full Text PDFEnvironmental Exposure to Per- and Polyfluorylalkyl Substances (PFASs) and Reproductive Outcomes in the General Population: A Systematic Review of Epidemiological Studies.
Int J Environ Res Public Health
December 2024
Department of Pharmacology, Wayne State University, Detroit, MI 48202, USA.
This Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) systematic review synthesized effects of background levels of per- and polyfluorylalkyl substance (PFAS) levels on reproductive health outcomes in the general public: fertility, preterm birth, miscarriage, ovarian health, menstruation, menopause, sperm health, and in utero fetal growth. The inclusion criteria included original research (or primary) studies, human subjects, and investigation of outcomes of interest following non-occupational exposures. It drew from four databases (Web of Science, PubMed, Embase and Health and Environmental Research Online (HERO)) using a standardized search string for all studies published between 1 January 2017 and 13 April 2022.
View Article and Find Full Text PDFB Chromosome Transcriptional Inactivation in the Spermatogenesis of the Grasshopper .
Genes (Basel)
November 2024
Departamento de Biología, Universidad Autónoma de Madrid, 28049 Madrid, Spain.
Background/objectives: We analyzed the relationship between synapsis, recombination, and transcription during the spermatogenesis of the grasshopper carrying B chromosomes (type B1).
Methods: The progression of synapsis was interpreted according to the dynamics of the cohesin subunit SMC3 axes. DNA double-strand breaks were revealed by RAD51 immunolabeling, while transcriptional activity was determined by the presence of RNA polymerase II phosphorylated at serine 2 (pRNApol II) immunolabeling.
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