20 research outputs found
Rendimiento acadĂ©mico del alumnado al utilizar nuevas tecnologĂas para evaluar las competencias en un laboratorio de prĂĄcticas
Can DNA fragmentation of neat or swim-up spermatozoa be used to predict pregnancy following ICSI of fertile oocyte donors?
Sperm DNA fragmentation: A new guideline for clinicians
Sperm DNA integrity is crucial for fertilization and development of healthy offspring. The spermatozoon undergoes extensive molecular remodeling of its nucleus during later phases of spermatogenesis, which imparts compaction and protects the genetic content. Testicular (defective maturation and abortive apoptosis) and post-testicular (oxidative stress) mechanisms are implicated in the etiology of sperm DNA fragmentation (SDF), which affects both natural and assisted reproduction. Several clinical and environmental factors are known to negatively impact sperm DNA integrity. An increasing number of reports emphasizes the direct relationship between sperm DNA damage and male infertility. Currently, several assays are available to assess sperm DNA damage, however, routine assessment of SDF in clinical practice is not recommended by professional organizations
Alteraciones espermĂĄticas producidas tras la contaminaciĂłn "in vitro" de espermatozoos con Ureaplasma urealyticum
Tesis Universidad Complutense de Madrid,Facultad de Ciencias BiolĂłgicas, Departamento de MicrobiologĂa III, leĂda el 18-12-1991Depto. de GenĂ©tica, FisiologĂa y MicrobiologĂaFac. de Ciencias BiolĂłgicasTRUEpu