Results 101 to 110 of about 492,766 (213)
HeliyonBackground: Recently, male fertility preservation before cancer treatment has become more prevalent. The research in this field has progressed over time, with some studies having a major impact and providing guidance for further research.
Chuan Huang +7 more
doaj +1 more source
Three cases of sperm immobility for intracytoplasmic sperm injection using testicular sperm
IJU Case ReportsIntroductionSperm immobility is a condition in which sperm are viable but not motile. We reported three patients with sperm immobility, who underwent testicular sperm extraction‐intracytoplasmic sperm injection.Case presentationIn case 1, a 32‐year‐old patient with sperm immobility had previously undergone intracytoplasmic sperm injection with ...
Noboru Mimura +5 more
openaire +3 more sources
Cephalopods from the stomachs of sperm whales taken off California [PDF]
, 1989 Cephalopod remains (beaks, bodies, and parts of bodies) were collected from the stomachs of 157 sperm whales (Physeter macrocephalus) taken off central California (lat. 37°-39°N).
Fiscus, Clifford H. +2 more
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Protein phosphatase 2A (PP2A) function in male germ cells and its importance for male fertility
Endocrine ConnectionsInfertility is a common issue that affects approximately 30 million men worldwide, most often resulting from defects during spermatogenesis, a complex cellular differentiation process allowing the formation of spermatozoa. During spermatogenesis, a large
Violaine Simon
doaj +1 more source
Cryopreservation of Pike Perch Sperm in Hatchery Conditions [PDF]
, 2008 Experiments were carried out on pike perch (Sander lucioperca L.) to find a method for stripping sperm without contamination by urine, to determine sperm concentration, and to fertilize large batches of eggs with cryopreserved sperm.
Bokor, Zoltán +3 more
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The annulus: composition, role and importance in sperm flagellum biogenesis and male fertility
Basic and Clinical AndrologyThe annulus is an electron-dense ring structure that surrounds the axoneme and compartmentalizes the sperm flagellum into two parts: the midpiece and the principal piece.
Marjorie Whitfield
doaj +1 more source
The effect of glutathione on human nuclear chromatin decondensation [PDF]
Introduction: During spermiogendsis, sperm chromatin histones are replaced by protamine. After fertilization, the sprem nucleus is decondenced by glutathione (GSH).
رضازاده ولوجردی, مجتبی +2 more
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Combined Analysis of the Transcriptome, Proteome and Metabolome in Human Cryopreserved Sperm
The World Journal of Men's HealthPurpose: This study aimed to identify the altered pathways and genes associated with freezing damage in human sperm during cryopreservation by multiomics analysis.
Longlong Fu +8 more
doaj +1 more source
Non-invasive assessment of stem cell DNA integrity in response to environmental stressors
Scientific ReportsThe maintenance of DNA integrity in spermatogonial stem cells (SSCs) is essential for ensuring genetic stability and proper function in male germline cells.
Juan Wang +4 more
doaj +1 more source