Results 231 to 240 of about 38,921 (268)

PIWI proteins tether the piRNA biogenesis machinery to mitochondria during mammalian spermatogenesis. [PDF]

EMBO J
Gao J, Chen C, Shang G, Yu W, Zhao T, Zhang Y, Chen C, Ding D.   +7 more
europepmc   +1 more source

Unraveling a Subgroup of Men With Unexplained Male Infertility-Men With Normogonadotropic Nonobstructive Azoospermia.

J Clin Endocrinol Metab
Schwarzkopf V, Wistuba J, Sandhowe-Klaverkamp R, Kliesch S, Gromoll J, Schubert M.   +5 more
europepmc   +1 more source

Zygotene cilia regulate meiosis, germ cell development and fertility in zebrafish, mice, and humans

Elkouby Y, Sun X, Mytlis A, Czukiewska S, Cabrita B, Ge M, Sheinberg A, Kumar V, Bogoch Y, Sinclair A, Wang J, Lokchine A, Ayers K, Kliesch S, Tüttelmann F, Wallmeier J, Friedrich C, Jaillard S, Tucker E, Lopes SCdS, Wu Q, Roy S.   +21 more
europepmc   +1 more source

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Spermatocytic Seminoma

Pathology Case Reviews, 1994
Spermatocytic seminoma is a rare testicular neoplasm that occurs only in adults (range, 25 to 87 years; mean, 54). It has no ovarian homologue and is found only in descended testes. It is not associated with other types of germ cell neoplasia. Orchiectomy is curative in virtually all cases; of more than 200 known cases, only one has metastasized.
openaire   +3 more sources

Spermatocytic seminoma

Urology, 1976
A case is reported of a forty-four-year-old man with spermatocytic seminoma with no evidence of metastasis for twelve years. This patient is the second to have undergone retroperitoneal lymph node dissection and the third to have histopathologic examination of these lymph nodes.
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Metastatic Spermatocytic Seminoma

Journal of Urology, 1980
Spermatocytic seminoma is noted generally for its relative infrequency of regional or distant metastases. A case of metastatic spermatocytic seminoma is reported in which there was radiographic evidence of tumor recurrence within an irradiated area.
T W, Schoborg, J, Whittaker, C W, Lewis
openaire   +2 more sources

Spermatocytic Seminoma: A Review

European Urology, 2004
Spermatocytic seminoma is a rare testicular tumour that has an extremely low rate of metastasis. We present a review of the management of this malignancy at our institution.Between 1981 and 1999, 771 patients were treated at our institution for testicular seminoma. Of these, 13 had spermatocytic seminoma; one was excluded as he had treatment elsewhere.
Peter W M, Chung, Andrew J S, Bayley, Joan, Sweet, Michael A S, Jewett, Betty, Tew-George, Mary K, Gospodarowicz, Padraig R, Warde   +6 more
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Bilateral Sequential Spermatocytic Seminoma

Journal of Urology, 1980
Abstract A case of bilateral spermatocytic seminoma in a 30-year-old man is reported. An unusual feature of the case is the relatively young age of the patient.
D M, Bergner, G B, Duck, M, Rao
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Ribosomal RNA in mouse spermatocytes

Experimental Cell Research, 1974
Abstract Several earlier autoradiographic observations have reported the absence or the very low rate of nuclear incorporation of RNA precursors in male gametocytes. The problem of ribosomal RNA synthesis in mouse spermatocytes was approached biochemically by using ionizing radiation which at low doses selectively destroys spermatogonia without ...
M, Galdieri, V, Monesi
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