Results 11 to 20 of about 24,432 (235)
Intracytoplasmic Sperm Injection in Cattle [PDF]
Intracytoplasmic sperm injection (ICSI) involves the microinjection of sperm into a matured oocyte. Although this reproductive technology is successfully used in humans and many animal species, the efficiency of this procedure is low in the bovine ...
Veena Unnikrishnan+2 more
semanticscholar +4 more sources
The effect of sperm DNA fragmentation on intracytoplasmic sperm injection outcome
Our study objective was to assess the effect of various sperm DNA fragmentation levels on clinical intracytoplasmic sperm injection outcome. This retrospective study included 392 patients who underwent ICSI and performed sperm DNA fragmentation testing ...
K. Khalafalla+9 more
semanticscholar +1 more source
Indications for intracytoplasmic sperm injection [PDF]
Intracytoplasmic sperm injection (ICSI) is the latest of several microfertilization techniques that have been utilized predominantly to overcome severe male subfertility, giving fertilization and term pregnancy rates similar to conventional in-vitro fertilization (IVF) (but for other indications).
Kersti Lundin+3 more
openaire +3 more sources
Abnormal early cleavage events predict early embryo demise: sperm oxidative stress and early abnormal cleavage. [PDF]
Human embryos resulting from abnormal early cleavage can result in aneuploidy and failure to develop normally to the blastocyst stage. The nature of paternal influence on early embryo development has not been directly demonstrated although many studies ...
Barker, Christopher M+4 more
core +2 more sources
Spermatozoa from azoospermic males can be retrieved from either the epididymis or the testis, depending on the type of azoospermia, using different surgical methods such as percutaneous epididymal sperm aspiration (PESA), testicular sperm aspiration ...
S. Esteves, A. Varghese
semanticscholar +1 more source
Intracytoplasmic Sperm Injection in the Mouse1 [PDF]
Intracytoplasmic sperm injection (ICSI) was successful in the mouse when a piezo-driven micropipette was used instead of a mechanically driven conventional pipette. Eighty percent of sperm-injected oocytes survived, and approximately 70% of them developed into blastocysts in vitro.
Ryuzo Yanagimachi, Yasuyuki Kimura
openaire +3 more sources
Fertility in men with spinal cord injury [PDF]
Young men comprise the overwhelming majority of men with spinal cord injury (SCI), the incidence of which has been growing over the years. Due to advances in physical medicine and rehabilitation, remarkable improvements in survival rates have been ...
Grgić, Franjo+5 more
core +1 more source
Embryonic POU5F1 is Required for Expanded Bovine Blastocyst Formation. [PDF]
POU5F1 is a transcription factor and master regulator of cell pluripotency with indispensable roles in early embryo development and cell lineage specification.
Daigneault, Bradford W+3 more
core +2 more sources
Sperm is epigenetically programmed to regulate gene transcription in embryos. [PDF]
For a long time, it has been assumed that the only role of sperm at fertilization is to introduce the male genome into the egg. Recently, ideas have emerged that the epigenetic state of the sperm nucleus could influence transcription in the embryo ...
Allen, George E+12 more
core +11 more sources
Pregnancies conceived by frozen blastocyst transfer (FBT) have higher gestational age and weight at birth as compared to those derived by fresh blastocyst transfer.
P. Cavoretto+9 more
semanticscholar +1 more source