Results 221 to 230 of about 248,167 (261)
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Immature germ cell conception—in vitro germ cell manipulation
Best Practice & Research Clinical Endocrinology & Metabolism, 2000Experimental studies in laboratory animals have shown that successful conception can be achieved by fertilizing oocytes with immature male germ cells. This gave rise to the concept that immature germ cells recovered from the testes of azoospermic men with maturation arrest may be used for assisted reproduction.
J, Tesarik, C, Mendoza, E, Greco
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THE RADIOSENSITIVITY OF GERM CELLS
Biological Reviews, 1964SummaryThe radiosensitivity of germ cells depends on (a) the criterion by which it is assessed, and (b) the developmental stage at the time of irradiation. For any given parameter and cell‐type, the final effect exerted by ionizing radiations depends on the genetic make‐up and age of the organism; type of irradiation; method of irradiation (acute ...
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Current Opinion in Oncology, 2005
This review provides an overview of some of the recent pre-clinical and clinical developments in germ cell tumors.Recent epidemiological studies highlight the variations in the geographic and ethnic distribution of germ cell tumors and the changing incidence of seminoma versus nonseminoma in the population. Additional studies are continuing to identify
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This review provides an overview of some of the recent pre-clinical and clinical developments in germ cell tumors.Recent epidemiological studies highlight the variations in the geographic and ethnic distribution of germ cell tumors and the changing incidence of seminoma versus nonseminoma in the population. Additional studies are continuing to identify
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2006
Surface cells in adult ovaries represent germ line-competent embryonic stem cells. They are a novel type of totipotent progenitors for distinct cell types including female germ cells/oocytes, with the potential for use in the autologous treatment of ovarian infertility and stem cell therapy.
Antonin, Bukovsky +3 more
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Surface cells in adult ovaries represent germ line-competent embryonic stem cells. They are a novel type of totipotent progenitors for distinct cell types including female germ cells/oocytes, with the potential for use in the autologous treatment of ovarian infertility and stem cell therapy.
Antonin, Bukovsky +3 more
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Science, 2017
Plant Biology Unlike animals, plants do not set aside a germline. Instead, germ cells are developed on demand from somatic lineages. Zhao et al. examined the regulatory pathways that manage the transition from somatic to germ cell development in the small plant Arabidopsis (see the Perspective by Vielle-Calzada).
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Plant Biology Unlike animals, plants do not set aside a germline. Instead, germ cells are developed on demand from somatic lineages. Zhao et al. examined the regulatory pathways that manage the transition from somatic to germ cell development in the small plant Arabidopsis (see the Perspective by Vielle-Calzada).
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Seminars in Diagnostic Pathology, 2005
Germ Cell Tumors (GCT) represent an important group of mediastinal tumors. Because of genetic characteristics and behavior have been divided in prepubertal and postpubertal tumors, and their origin remains controversial. The genetic changes are diverse, but the most frequent is i (12p), and can be associated to gonadal disgenesis.
Hugo, Domínguez Malagón +1 more
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Germ Cell Tumors (GCT) represent an important group of mediastinal tumors. Because of genetic characteristics and behavior have been divided in prepubertal and postpubertal tumors, and their origin remains controversial. The genetic changes are diverse, but the most frequent is i (12p), and can be associated to gonadal disgenesis.
Hugo, Domínguez Malagón +1 more
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Germ cell lineage differentiation in non‐seminomatous germ cell tumours
The Journal of Pathology, 2005AbstractHuman germ cell tumours (GCTs) have long fascinated investigators for a number of reasons. Being pluripotential tumours, they can differentiate into both extra‐embryonic and embryonic (somatic) tissues. However, it has never been shown convincingly that, in humans, these tumours are truly totipotent and can also give rise to the germ lineage ...
Honecker, F +7 more
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International Journal of Gynecological Pathology, 1982
During the review period, a number of papers were published reporting series of patients with malignant ovarian germ cell tumors and describing the increasingly successful worldwide trend observed in treatment of such patients. Publications dealing solely with the successful management of patients with pure dysgerminoma, using surgery followed by ...
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During the review period, a number of papers were published reporting series of patients with malignant ovarian germ cell tumors and describing the increasingly successful worldwide trend observed in treatment of such patients. Publications dealing solely with the successful management of patients with pure dysgerminoma, using surgery followed by ...
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[Embryonal germ cells and germ cell tumors].
Verhandlungen der Deutschen Gesellschaft fur Pathologie, 2008Testicular germ cell tumors comprise of group of pluripotent tumors including seminomas and nonseminomas, arise from intratubular germ cell neoplasia and originate from the primordial germ cells/ gonocytes. Many well characterized markers of embryonic stem cells including CD9, PODXL and centromere-specific histone-H3-like protein CENPA are consistently
K, Biermann +14 more
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Germ cell cancer of the testis
Current Opinion in Oncology, 1995New insights into the etiology and specifically the role of atrophy in generating increased gonadotropin drive have come from a case-control study of 794 patients. This study demonstrated possible evidence for trauma and infection-related atrophy, although of most interest from the point of view of the gonadotropin drive hypothesis is the observation ...
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