Results 101 to 110 of about 102,741 (261)

Induction of Spermatogenesis and Its Predictors in Men with Prepubertal-Onset Hypogonadotropic Hypogonadism Undergoing Gonadotropin Therapy

open access: yesThe World Journal of Men's Health
Purpose: To evaluate the outcomes of gonadotropin therapy (GT) using human chorionic gonadotropin (hCG) and recombinant follicle-stimulating hormone (rFSH) for inducing spermatogenesis in men with prepubertal-onset hypogonadotropic hypogonadism (HH ...
Min Chul Cho, Hohyun Lee, Soo Woong Kim
doaj   +1 more source

Global Fluoride Toxicology Landscape: Bibliometric Approaches and Scientific Mapping

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT This study analyzed research trends in the 100 most‐cited articles on fluoride toxicology, a topic widely debated due to the toxic effects associated with levels deemed safe for human exposure. A bibliometric analysis was conducted using the Web of Science‐Core Collection, extracting data such as citation count, authors, keywords, journal ...
Maria Karolina Martins Ferreira   +8 more
wiley   +1 more source

DNMT3A-dependent DNA methylation is required for spermatogonial stem cells to commit to spermatogenesis

open access: yesNature Genetics, 2022
Mathilde Dura   +11 more
semanticscholar   +1 more source

Impacts of morphine addiction on spermatogenesis in rats

open access: yesIranian Journal of Reproductive Medicine, 2016
Background: There are numerous investigations on wide range of issues that disrupt regulatory spermatogenesis, individuals who are exposed to drug abuse faced infertility and immature spermatogenesis. Objective: The aim of this study was to evaluate the
Nasrin Takzare   +6 more
doaj  

Toxicity of Four Common Environmental Chemicals Across Caenorhabditis elegans Life Stages Supporting the One Health Concept

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT Pesticides and pharmaceuticals are among the most common chemical groups in waterbodies and soils, and their universal distribution raises concerns about potential adverse effects on nontarget organisms and humans. Reproductive output disruption is of particular concern, as it transposes effects from the individual to the next generations at ...
Fábio Campos   +3 more
wiley   +1 more source

Endocrine control of spermatogenesis in the ram.

open access: yesJournal of reproduction and fertility. Supplement, 2019
In the ram, the size of the testes is related to the concentrations of FSH, LH and testosterone in the blood. A significant linear relationship is observed between testicular size and the level of FSH until a maximum after which no further increase in ...
M. Courot, R. Ortavant
semanticscholar   +1 more source

Spermatogenesis

open access: yes
Spermatogenesis is a complex process involving stages of spermatocytogenesis, spermatidogenesis and spermiogenesis. It is defined as the process of producing haploid sperm cells from primordial diploid germ cells in the seminiferous tubules of the testis.
Fiona Messer   +2 more
  +5 more sources

LncRNA4667 is dispensable for spermatogenesis and fertility in mice

open access: yesReproductive and Developmental Medicine, 2019
Objective: Spermatogenesis is a complex process which is of vital importance for sexual reproduction. In many studies of spermatogenesis, the mRNAs, protein-coding genes, as well as small noncoding RNAs (ncRNAs) have been well characterized.
Yu-Bing Dai, Yu Lin, Ning Song, Fei Sun
doaj   +1 more source

Bisphenols and Phthalates in Bottled Mineral Water: First Evidence of Co‐Occurrence, Estrogenic Activity, and Health Risk in Brazil

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT Bisphenol A (BPA), its structural analogs, and phthalates are synthetic chemicals widely used, with documented endocrine‐disrupting activity. This study aimed to develop and validate a selective multiresidue analytical method for the simultaneous determination of BPA, 10 bisphenol analogs, and six phthalates in PET‐bottled mineral water.
Giulia Boito Reyes   +3 more
wiley   +1 more source

Review: Spermatogenesis in the bull.

open access: yesAnimal, 2018
Spermatogenesis is a finely regulated process of germ cell multiplication and differentiation leading to the production of spermatozoa in the seminiferous tubules.
C. Staub, L. Johnson
semanticscholar   +1 more source

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