Results 31 to 40 of about 13,306 (243)
Sperm DNA fragmentation, recurrent implantation failure and recurrent miscarriage
Asian Journal of Andrology, 2015 Evidence is increasing that the integrity of sperm DNA may also be related to implantation failure and recurrent miscarriage (RM). To investigate this, the sperm DNA fragmentation in partners of 35 women with recurrent implantation failure (RIF ...
Carol Coughlan +7 more
doaj +1 more source
Human sperm chromatin epigenetic potential: genomics, proteomics, and male infertility
Asian Journal of Andrology, 2015 The classical idea about the function of the mammalian sperm chromatin is that it serves to transmit a highly protected and transcriptionally inactive paternal genome, largely condensed by protamines, to the next generation.
Judit Castillo +3 more
doaj +1 more source
Cell Reports, 2021 Summary: Membrane curvature recruits Bin-Amphiphysin-Rvs (BAR)-domain proteins and induces local F-actin assembly, which further modifies the membrane curvature and dynamics. The downstream molecular pathway in vivo is still unclear. Here, we show that a
Tushna Kapoor +3 more
doaj +1 more source
Intracytoplasmic Injection Using Spermatids and Subsequent Pregnancies: Round Versus Elongated Spermatids [PDF]
Journal of Assisted Reproduction and Genetics, 2002 The purpose of this clinical trial study was to report the outcome of intracytoplasmic injection of round (RS) and elongated (ES) spermatids retrieved from the testis of nonobstructive men. Seven and three cycles using RS and ES injections were performed, respectively.
Mohammad A, Khalili +2 more
openaire +2 more sources
PSMA8‐Containing 20S Proteasome Regulates Spermiogenesis and Male Fertility
Advanced Science, EarlyView.PSMA8 assembles s20S proteasome that degrades specific substrates in elongating spermatids. Degradation of s20S‐substrates activates translation of FXR1‐target mRNAs, which are essential for mitochondrial sheath formation and sperm morphogenesis.
Huiwen Cao +7 more
wiley +1 more source
Abnormal spermatid indicating HMS.
, 2015 Cross sections of condensed sperm heads (upper row) and mature spermatid tails (lower row) in the F1 males from three interspecific (first three columns) and one intraspecific control (rightmost column) crosses (♀ × ♂).
Hailian Xiao (36120) +4 more
core +1 more source
New insights into the regulation of cholesterol efflux from the sperm membrane
Asian Journal of Andrology, 2015 Cholesterol is an essential component of the mammalian plasma membrane because it promotes membrane stability without comprising membrane fluidity. Given this important cellular role, cholesterol levels are tightly controlled at multiple levels.
Tamara Leahy, Bart M Gadella
doaj +1 more source
Spermatids as gametes: indications and limitations [PDF]
Human Reproduction, 1998 The feasibility of achieving viable embryos, developing to term after transfer into the uterus, by fertilizing oocytes with spermatids has been demonstrated both in animal studies and in preliminary human clinical trials. Here we review the current clinical indications of spermatid conception and discuss the predictable success rates associated with ...
J, Tesarik +3 more
openaire +2 more sources
The Anatomical Record, EarlyView.Abstract Stenopodidea represents one of the basal lineages within Pleocyemata, yet the male reproductive system (MRS) of this group remains poorly understood, with limited information available regarding its morphology and function. This study provides the first detailed description of the MRS in four stenopodidean shrimp species from two families ...
Caio Santos Nogueira +2 more
wiley +1 more source
aPKC expression in spermatid cysts.
, 2014 A) Stages of spermatogenesis. Germline cysts are in yellow, while the somatic cyst cells are labeled in dark pink (posterior or head cyst cell) and light pink (anterior or tail cyst cell) respectively. SC, stem cell; SMG, spermatogonia; SMC, spermatocyte;
Sanjay Tyagi (8954) +2 more
core +1 more source