نتایج جستجو برای: daz
تعداد نتایج: 317 فیلتر نتایج به سال:
BACKGROUND Successful gametogenesis requires the establishment of an appropriate epigenetic state in developing germ cells. Nevertheless, an association between abnormal spermatogenesis and epigenetic disturbances in germline-specific genes remains to be demonstrated. METHODS In this study, the DNA methylation pattern of the promoter CpG island (CGI) of two germline regulator genes--DAZL and ...
Infertility is defined as a failure to conceive in a couple trying to reproduce for a period of two years without conception. Approximately 15 percent of couples are infertile, and among these couples, male factor infertility accounts for approximately 50 percent of causes. Male infertility is a multifactorial syndrome encompassing a wide variety of disorders. In more than half of infertile men...
Zusammenfassung Im Rahmen dieser Studie wird gezeigt, dass Präpositionalphrasen mit duruh im Ahd. Tatian sowie in Otfrids Evangelienbuch als Ergänzung Adverbiale auftreten können. Während sich Verwendungen Wesentlichen auf lokale Semantik beschränken, weist der Bereich Adverbialen ein großes semantisches Spektrum auf. Die Präpositionalphrase + NP kann zudem Ausgangspunkt für einen Grammatikalis...
Received 14 January 1997 Revised version accepted for publication 28 May 1997 Abstract Y chromosome molecular analysis was performed using the STS-PCR technique in 50 patients with oligozoospermia. Microdeletions of interval 6 of the Y chromosome were detected in seven patients, in six ofwhom subinterval E was affected. All patients retained the RBM1 and DAZ genes, while in one deletion involve...
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