Results 21 to 30 of about 27,805 (273)
Résumé Contexte La non descente des testicules chez les garçons cryptorchides qui présentent une mini-puberté défectueuse et un taux réduit de testostérone (T) ont des gonocytes incapables de se différencier normalement en spermatogonie Ad.
Katharina Gegenschatz-Schmid+3 more
doaj +1 more source
Background: Cryptorchidism is a congenital disorder that causes an irregularity in the permanent or temporary descent of one or both testicles. In Brazil, there are no comprehensive studies describing the association of demographic, social, and clinical ...
Diego Bessa Dantas+5 more
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On the descent of the epididymo-testicular unit, cryptorchidism, and prevention of infertility
Résumé Cette revue complète traite en profondeur les progrès réalisés dans la compréhension des mécanismes moléculaires à la base de la cryptorchidie, une pathologie fréquente décrite pour la première fois aux environs de 1786 par John Hunter.
Faruk Hadziselimovic
doaj +1 more source
Epigenetics, cryptorchidism, and infertility
Background Cryptorchid boys with defective mini-puberty and impaired differentiation of Ad spermatogonia (high infertility risk) have altered expression of several genes encoding histone methyltransferases compared to patients with intact differentiation
Faruk Hadziselimovic+2 more
doaj +1 more source
Maternal gestational smoking, diabetes, alcohol drinking, pre-pregnancy obesity and the risk of cryptorchidism: a systematic review and meta-analysis of observational studies. [PDF]
Maternal gestational smoking, diabetes, alcohol drinking, and pre-pregnancy obesity are thought to increase the risk of cryptorchidism in newborn males, but the evidence is inconsistent.We conducted a systematic review and meta-analysis of studies on the
Lin Zhang+6 more
doaj +1 more source
Investigation of the Protective Effects of Amlodipine on the Structure and Function of Testicular Tissue following Experimental Unilateral Cryptorchidism in Rats [PDF]
Objective- Cryptorchidism, common birth defect of the male genital tract, is one of the causes of fertility problems. The elevation of tissue temperature following of cryptorchidism could induce oxidative stress which influences the cellular and tissue ...
Saber Shahraki+3 more
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Curative GnRHa treatment has an unexpected repressive effect on Sertoli cell specific genes
Résumé Contexte L’hormone folliculostimulante et la testostérone stimulent les cellules de Sertoli pour soutenir la fonction et la différentiation des cellules germinales. Pendant la minipuberté, lorsque la gonadotrophine (GnRH) stimule les augmentations
Katharina Gegenschatz-Schmid+6 more
doaj +1 more source
Cryptorchidism is a very common anomaly of the male genitalia, affecting 2%-4% of male infants and is more common in premature infants. There are two separate stages of testicular descent. The first stage occurs at 8-15 weeks' gestation in the human fetus and is characterized by enlargement of the genito-inguinal ligament, or gubernaculum, and ...
John M, Hutson+3 more
openaire +5 more sources
Résumé La cryptorchidie survient fréquemment chez les enfants atteints de mucoviscidose et une altération du développement de l’épididyme et du canal déférent a été observée chez les garçons cryptorchides avec une mini-puberté abrogée.
Faruk Hadziselimovic+2 more
doaj +1 more source