Results 61 to 70 of about 2,405,716 (326)
Effects of temperature anomaly on sperm quality: A multi-center study of 33,234 men
HeliyonBackgrounds: Global fertility rates continue to decline and sperm quality is a prime factor affecting male fertility. Both extreme cold and heat have been demonstrated to be associated with decreased sperm quality, but no epidemiological studies have ...
Lina Xiao +15 more
doaj +1 more source
FSH dosage effect on conventional sperm parameters: a meta-analysis of randomized controlled studies
Asian Journal of Andrology, 2020 Follicle-stimulating hormone (FSH) represents a therapeutic option in normogonadotropic patients with idiopathic oligozoospermia. The aim of this review was to evaluate the possible dose- and drug-dependent efficacy of FSH treatment on conventional sperm
Rossella Cannarella +4 more
doaj +1 more source
Advanced Science, EarlyView.Phase separation of SF3B1 acts as a key regulatory mechanism for dynamic alternative splicing throughout early mouse embryogenesis. Its absence triggers extensive splicing errors, which induce persistent DNA damage, defective cell cycle progression, and failed cell lineage commitment, and ultimately hinder the normal growth and development of ...
Kang Zhao +15 more
wiley +1 more source
IGF2 and IGF1R mRNAs Are Detectable in Human Spermatozoa
The World Journal of Men's Health, 2020 Purpose: Oligozoospermia is highly prevalent worldwide. Studies have reported a lower methylation rate in the H19 differentially methylated region at the sperm level in oligozoospermic patients than in controls.
Rossella Cannarella +6 more
doaj +1 more source
Importance of Zinc Concentration in Seminal Fluid of Men Diagnosed with Infertility
Acta Clinica Croatica, 2020 The prevalence and importance of male infertility make it a serious worldwide medical and social problem. The aim of this study was to determine if there were any significant differences in zinc concentrations in seminal fluid in men diagnosed with ...
Andrea Milostić-Srb +6 more
doaj +1 more source
Evaluation of Effect of Cigarette Smoking on Vital Seminal Parameters which Influence Fertility [PDF]
Journal of Clinical and Diagnostic Research, 2015 Introduction: Cigarette smoke contains many compounds which are proven carcinogens having detrimental effect on various organs. The free radicals and other carcinogens have a harmful effect on testicular function which may affect male fertility ...
Hemalatha Anthanahalli Lingappa +6 more
doaj +1 more source
Sperm competition and sperm length in shorebirds [PDF]
, 1999 We investigated how sperm morphology varies across 16 species of shorebirds in the Scolopacidae, Charadriidae, and Jacanidae. Sperm were significantly longer in nonmonogamous than in socially monogamous species.
Briskie, J V, Johnson, D D P
core
Sperm count profile of men presenting for infertility evaluation in Nnewi Nigeria
, 2007 Objectives: To determine the prevalence of sperm count abnormalities in men who presented at Nnamdi Azikiwe University Teaching Hospital (NAUTH) Nnewi for infertility management.
Maducuchi, J M +15 more
core +1 more source
Advanced Science, EarlyView.DUET‐seq is an open‐source droplet platform that jointly profiles chromatin accessibility and gene expression from the same nucleus. Dissolvable dual‐linker hydrogel beads and a one‐step intra‐droplet RT‐PCR co‐index both modalities in under 12 h at roughly $0.04 per cell.
Dong Cheng +16 more
wiley +1 more source
SPERMATOGENESIS INDICES IN INBRED STRAINS DD/HE AND BALB/CLAC AND THEIR F1 RECIPROCAL CROSSES
Вавиловский журнал генетики и селекции, 2014 We have shown that among 13 inbred mice strains males the DD/He strain has the lowest proportion of mobile sperm and moderate sperm count and proportion of abnormal sperm heads.
M. A. Kleshchev +2 more
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