Sperm selection
Bovine sperm selection procedure prior to cryopreservation for improvement of post-thawed semen quality and fertility
... the sperm to opposite flow and temperature gradient could then be seen as an essential sperm function that can be used at a macroscale to process fresh semen prior to cryo- ...cryopreserved sperm by ...
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Single sperm selection and DNA fragmentation analysis: The case of MSOME/IMSI
... and selection of non-vacuolated spermatozoa with normal ...The selection and analysis of 100 single spermatozoa obtained from 100 different trials was ...For sperm selected by MSOME/IMSI, a Petri ...
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Evaluating the Potential of Three Sperm Surface Antigens as Egg-adhesion Biomarkers for Human Sperm Selection
... clinical selection of sperm based on its DNA integrity and chromatin maturity and more improvements are necessary to progress it (3-6) .... Sperm-membrane proteins have a direct role in ...
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Sperm selection for assisted reproduction by prior hyaluronan binding: the HABSelect RCT
... target selection of higher-quality sperm regardless of parental ...age. Sperm selection has not really advanced since in vitro fertilisation (IVF) was introduced and, therefore, holds great ...
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Sperm selection and competition in pigs may be mediated by the differential motility activation and suppression of sperm subpopulations within the oviduct
... a sperm reservoir in the oviductal isthmus, where many spermatozoa become attached to oviductal epithelial cells suggests, however, that in some spermatozoa the motility activation response is suppressed by ...
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Comparison of zeta potential and ha binding (PICSI) method in the selection of mature, good quality sperm
... routine sperm selection procedures or techniques are not adequate in the selection of sperms on the basis of necessary quality parameters which includes motility, morphology, viability, DNA ...
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Novel distance progesterone combined selection approach improves human sperm quality
... Third, sperm were subjected to Percoll separation by discontinuous density centrifugation before addition to the ...facilitate sperm capacitation and ensure dead sperm without any motility were ...
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A proteomic study of sperm competition in mammals
... of sperm selection, can be challenging due to the difficulties in disentangling male versus female mediated effects (Birkhead 1998; 2000; Eberhard 2000; Kempenaers, Foerster et ...of sperm ...
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Processing and selection of surgically-retrieved sperm for ICSI: a review
... invasive sperm detection techniques on the harvested specimens may in the future increase sperm recovery rates together with a reduction in searching ...ever sperm are recovered, novel methods of ...
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RETRACTED ARTICLE: Intracytoplasmic morphologically selected sperm injection versus conventional intracytoplasmic sperm injection: a randomized controlled trial
... the sperm membrane due to PVP exposure [34] was minimized in our ...of sperm selection, in a very high proportion of cases the “best” one spermato- zoa was ...
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Postcopulatory Sexual Selection Is Associated with Reduced Variation in Sperm Morphology
... Optimum Sperm Size and Female Cryptic Choice From a male’s perspective, success in postcopulatory competition depends on achieving a balance in the theoretical trade-off between sperm size and numbers ...
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Sperm DNA damage and its role in IVF and ICSI
... of sperm DNA damage when assessing clinical pregnancy and miscarriage rates in IVF and ICSI could lie in the difference in sperm selection process between the two methods of ...assessing sperm ...
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Sperm Dynein AAA1 and AAA2 Expression in Human Sperm : A Regulation in Sperm Preparation
... in sperm tail, is a supramolecular protein complex with motor protein and regulatory which playing a crucial role in determining sperm ...of sperm flagella ...requires sperm preparation ...
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<p>Association Between Sleep Quality and Semen Parameters and Reproductive Hormones: A Cross-Sectional Study in Zhejiang, China</p>
... This study had a number of advantages. First, we used PSQI, a self-report index consisting of 19 items that re fl ects respondents ’ sleep quality, to measure subjective sleep quality. Traditional sleep assessments only ...
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Tobacco smoking is associated with decreased semen quality
... normal sperm morphology, total sperm count, follicle stimulating hormone (FSH), free and total testosterone (TT) of non-smokers were signifi- cantly higher (p = ...0.012). Sperm viability, number of ...
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Evaluation de l’apport de la méthode d’observation des spermatozoïdes à fort grossissement en ICSI
... Les premiers resultats publics d'ICSI avec pre-selection des spermatozoides en MSOME (Intracytoplasmic Morphologically Selected sperm Injection ou IMSI) retrouvent une augm[r] ...
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A CLINICAL STUDY TO EVALUATE THE EFFICACY OF VIDARYADI CHOORNA IN THE KSHEENA SHUKRA W.S.R TO OLIGOSPERMIA .......
... humans more vulnerable to many diseases Male infertility can be defined as an inabil- ity to induce conception to any defects in its reproductive system especially due to de- fect in spermatic function. Male having ...
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La vitalité des spermatozoïdes
... : The single sperm curling test, a modified hypo-osmotic swelling test, as a potential technique for the selection of viable sperm for intra- cytoplasmic sperm injection.[r] ...
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Improving preimplantation genetic diagnosis (PGD) reliability by selection of sperm donor with the most informative haplotype
... a sperm donation pro- gram in order to ...a sperm donor that is free of the mutation in order to maximize the number of mutation free embryos follow- ing ...
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A Study on the Effect of Ocimum sanctum (Linn.) Leaf Extract and Ursolic Acid on Spermatogenesis in Male Rats
... The cauda epididymis was removed at autopsy from each rat and the spermatozoa were squeezed into a petri dish containing 5.0 ml of physiological saline at 37°. For the sperm analysis, 0.5 ml of the epididymal ...
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