Results 31 to 40 of about 9,331,799 (198)
Journal of Evidence Based Medicine and Healthcare, 2017 Srinivas Sangisapu +2 more
openaire +2 more sources
Comparative proteomic analysis of spermatozoa isolated by swim-up or density gradient centrifugation. [PDF]
Reprod Biol Endocrinol, 2015 BACKGROUND: Reports about the morphologic and functional characteristics of spermatozoa prepared by density gradient centrifugation (DC) or swim-up (SU) have produced discordant results.
Luppi S +6 more
europepmc +4 more sources
Sperm swim-up techniques and DNA fragmentation [PDF]
Human Reproduction, 2001 Swim-up techniques for sperm separation may have detrimental effects on sperm DNA. We wished to determine whether the normal swim-up method with centrifugation used in our laboratory, which involves a centrifugation step, was harmful to sperm compared with swim-up without centrifugation.Semen samples were obtained from patients undergoing IVF or ...
E V, Younglai +4 more
openaire +2 more sources
EFFECT OF THE USE OF TWO SPERM SELECTION TECHNIQUES FOR IN VITRO PRODUCTION OF ALPACA EMBRYOS [PDF]
SPERMOVA, 2021 The objective of this research was to evaluate the effect of the use of two sperm selection techniques for in vitro production of alpaca embryos. The ovaries and testis were collected from the local slaughterhouse and transport to 37 ° C in saline ...
Mijaíl Contreras Huamani +2 more
doaj +1 more source
Effect of the pH in the enrichment of X or Y sex chromosome-bearing sperm in bovine [PDF]
Veterinary World, 2019 Background and Aim: Studies have shown that the pH of the vagina during the course of fertilization may influence the migration of X- and Y-bearing spermatozoa and thus leading to skewness in the sex of the offspring. Hence, this study was carried out to
Nidhi P. Raval +3 more
doaj +1 more source
Journal of Human Reproductive Sciences, 2020 Context: In the last 10 years, assisted reproductive technologies (ARTs) have offered infertile couples an opportunity to complete their reproductive project.
Salvatore Raimondo +7 more
doaj +1 more source
بررسی بهبود پارامترهای اسپرم انسان بعد از آماده سازی به روش Swim up [PDF]
Majallah-i Zanān, Māmā̓ī va Nāzā̓ī-i Īrān, 2008 مقدمه: حدود10 الی15 درصد زوجها دارای مشکل ناباروری اند و برای آنهایی که به درمان دارویی پاسخ نمی دهند استفاده ازروشهای کمک باروری، اجتناب ناپذیر است. swim up یکی از روشهایی است که باعث بهبود کیفیت اسپرم میشود.
زهرا بصیرت +1 more
doaj +1 more source
Semen preparation by standard swim-up versus swim-up with test yolk buffer incubation in intrauterine insemination: a randomized study [PDF]
Human Reproduction, 1998 In order to compare the standard swim-up semen preparation with and without test yolk buffer (TYB) incubation in intrauterine insemination (IUI), we conducted a prospective multicentre randomized trial. A total of 121 infertile couples with male factor (n = 52) or unexplained infertility (n = 69) was randomly assigned to two groups following ovulation ...
G. Ragni +9 more
openaire +3 more sources
Profound Transcriptomic Differences Found between Sperm Samples from Sperm Donors vs. Patients Undergoing Assisted Reproduction Techniques Tends to Disappear after Swim-up Sperm Preparation Technique [PDF]
International Journal of Fertility and Sterility, 2010 Background Although spermatozoa delivers its RNA to oocytes at fertilization, its biological role is not well characterized. Our purpose was to identify the genes differentially and exclusively expressed in sperm samples both before and after the swim-up
Sandra García-Herrero +5 more
doaj +1 more source
Animals, 2023 Methods for seminal plasma (SP) removal and the selection of collared peccary sperm for fertilization were compared. The experiments evaluated the following: the (I) impact of centrifugation for SP removal before swim-up for sperm selection and (II) a ...
Maria V. O. Santos +7 more
doaj +1 more source