Results 51 to 60 of about 108,786 (297)
Paternal Circadian Disruption Impairs Offspring Cognition via Sperm microRNAs
Advanced Science, EarlyView.Paternal circadian disruption remodels the sperm small RNA payload, elevating miR‐92a‐3p/miR‐25‐3p levels and perturbing early embryonic gene regulatory programs. Microinjection experiments and single‐embryo transcriptomics reveal sex‐specific developmental vulnerabilities, ultimately impairing offspring hippocampal synaptic plasticity and cognition ...
Kexin Zou +22 more
wiley +1 more source
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
Effect of Cell Phone Usage on Semen Analysis in Men Attending Infertility Clinics: An Observational Study [PDF]
, 2008 Compares the sperm parameters -- such as mean sperm count, motility, viability, and normal morphology -- of men divided into four groups according to the amount of time they spend on cell phones on a daily ...
Ashok Agarwal +4 more
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Multiple paternity and hybridization in two smooth-hound sharks [PDF]
, 2015 Multiple paternity appears to be a common trait of elasmobranch mating systems, with its occurrence likely driven by convenience, due to females seeking to minimize the stress of male harassment.
Gristina, Michele +5 more
core +1 more source
Advanced Science, EarlyView.We identify a Lepidoptera‐conserved testis‐specific arylalkylamine N‐acetyltransferase (LTNAT) that governs male moth fertility via a novel mechanism. LTNAT loss disrupts eupyrene sperm mitochondrial derivatives and impairs apyrene sperm motility, offering a safe molecular target for innovative pesticides and genetic pest control.
Hao Sun +5 more
wiley +1 more source
Effect of royal jelly on sexual efficiency in adult male rats [PDF]
Iraqi Journal of Veterinary Sciences, 2009 The study was designed to investigate the efficacy of treating the adult male rats with royal jelly (1g/kg B. Wt. orally) for one month with or without hydrogen peroxide (0.5%) in drinking water on sexual efficiency, glutathione and malondialdehyde ...
A. A. Hassan
doaj +1 more source
Sperm mobility: mechanisms of fertilizing efficiency, genetic variation and phenotypic relationship with male status in the domestic fowl, Gallus gallus domesticus [PDF]
, 2002 When females are sexually promiscuous, sexual selection continues after insemination through sperm competition and cryptic female choice, and male traits conveying an advantage in competitive fertilization are selected for. Although individual male and
Allen J Feltmann +6 more
core +2 more sources
Macrophage Extracellular Traps in Immunity and Cancer
Advanced Science, EarlyView.As a macrophage‐mediated innate defense mechanism, the dysregulated release of METs drives chronic inflammation and influences tumor progression. Furthermore, METs exhibit a functional duality within the tumor microenvironment, capable of both promoting and suppressing tumor development.
Junyao Li +5 more
wiley +1 more source
A Simple and Practical Method for Rat Epididymal Sperm Count (Rattus norvegicus)
Biology, Medicine & Natural Product Chemistry, 2015 Sperm sample from epididymal source can be determined its number using minimal amount of equipment. These method will aid researcher and practitioner in sperm quality analysis to determined sperm number rapidly and practically.
Muhammad Ja’far Luthfi
doaj +1 more source
Fertility & Reproduction, 2023 Background and Aims: Semen Analysis is the initial step in Assisted Reproduction Technology (ART) to help clinician decide the type of procedure such as Intra-Uterine Insemination (IUI), Intra-Cytoplasmic Sperm Injection (ICSI) or In-Vitro Fertilisation (
Su Xizn Lee, Fam May Chee, Sze Tian Tee
doaj +1 more source