Results 41 to 50 of about 4,288 (226)

Fertilization of eggs of zebrafish, Danio rerio, by intracytoplasmic sperm injection

open access: yes, 2001
To evaluate the potential for fertilization by sperm injection into fish eggs, sperm from zebrafish, Danio rerio, were micro-injected directly into egg cytoplasm of two different zebrafish lines.
Godke, R. A.   +4 more
core   +1 more source

From Cytoskeletal Remodeling to Oocyte Quality: The Emerging Role of Mechanics

open access: yesAdvanced Science, EarlyView.
Mechanical properties of the oocyte are increasingly recognized as critical determinants of meiotic success and developmental potential. How actomyosin remodeling controls oocyte mechanics, how these properties are altered in pathological conditions, and how they could serve as markers in reproductive medicine are examined.
Anastasia Shihabi   +3 more
wiley   +1 more source

Erectile Function and Fertility in Patients With Spinal Cord Injury

open access: yes, 2021
Spinal cord injury (SCI) is predominantly seen in young men with the average patient age of 32 years. Ejaculation and erection disorders are common consequences of SCI, and result in decreased sexual satisfaction.
Alici, Bulent, Demirdag, Cetin
core   +1 more source

Assisted reproductive technology in Japan: A summary report for 2020 by the ethics Committee of the Japan Society of obstetrics and gynecology

open access: yesReproductive Medicine and Biology, 2023
Purpose Since 1986, the Japan Society of Obstetrics and Gynecology assisted reproductive technology (ART) registry system has collected data on national ART use and outcomes trends in Japan.
Yukiko Katagiri   +10 more
doaj   +1 more source

Oocyte–cumulus cell interaction: a key factor in early embryo development

open access: yesBiological Reviews, EarlyView.
ABSTRACT The evaluation of oocyte competence is a fundamental step in achieving successful outcomes following assisted reproduction techniques (ART). At present, however, conventional oocyte maturation assessment is carried out by morphological observation, which is a subjective method that does not consider molecular features.
Marc Torres‐Garrido   +2 more
wiley   +1 more source

Impact of donor mare and stallion identity on the likelihood of pregnancy after transfer of in vitro produced embryos

open access: yesEquine Veterinary Journal, EarlyView.
Abstract Background The success of in vitro embryo production (IVEP) is influenced by donor mare and stallion. Objectives To determine whether donor mare and stallion influence the pregnancy rate after transfer of in vitro produced (IVP) blastocysts and to identify factors influencing the likelihood of obtaining one or more pregnancies from a single ...
M. Papas   +11 more
wiley   +1 more source

Age, embryo donor status, and insemination with chilled semen all predispose to persistent breeding‐induced endometritis in warmblood mares

open access: yesEquine Veterinary Journal, EarlyView.
Abstract Background Persistent breeding‐induced endometritis (PBIE) is a common reason for mares failing to establish pregnancy. Objective To examine the hypothesis that advancing mare age and embryo donor status predispose to PBIE and compromise fertility.
Tom Stout   +3 more
wiley   +1 more source

Influence of female age on blastulation rate of embryo produced by ICSI [PDF]

open access: yesEinstein (São Paulo), 2003
OBJECTIVES: There is a tendency to adopt prolonged culture inolder patients; however there are no conclusive results about theinfluence of age on blastulation rate. Therefore, we decided to analyzethe influence of female age on prolonged culture results.
Jonathas Borges Soares   +6 more
doaj  

Hyperactive self-inactivating piggyBac for transposase-enhanced pronuclear microinjection transgenesis [PDF]

open access: yes, 2012
We have developed a unique method for mouse transgenesis. The transposase-enhanced pronuclear microinjection (PNI) technique described herein uses the hyperactive piggyBac transposase to insert a large transgene into the mouse genome.
Pelczar, Pawel   +9 more
core   +1 more source

Sperm retrieval techniques in azoospermic patients: PESA, MESA, TESA, TESE and MICROTESE [PDF]

open access: yesEinstein (São Paulo), 2009
Azoospermia is defined as the absence of mature spermatozoa in semen analysis after centrifugation. The causes of azoospermia may be related to spermatogenesis defects and classified as non-obstructive azoospermia, or to the obstruction of the efferent ...
Marcelo Vieira, Sidney Glina
doaj  

Home - About - Disclaimer - Privacy