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David Simorangkir

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David R Simorangkir; Gary R Marshall; Suresh Ramaswamy; R Roslund; Tony M Plant
Sertoli cell differentiation in rhesus monkey (Macaca mulatta) is an early event in puberty and precedes attainment of the adult complement of undifferentiated spermatogonia.
Eugene D Albrecht; Malcolm V Lane; Gary R Marshall; Istvan Merchenthaler; David R Simorangkir; Clifford R Pohl; Tony M Plant; Gerald J Pepe
Estrogen promotes germ cell and seminiferous tubule development in the baboon fetal testis.
Brian P Hermann; Meena Sukhwani; David R Simorangkir; Tianjiao Chu; Tony M Plant; Kyle E Orwig
Molecular dissection of the male germ cell lineage identifies putative spermatogonial stem cells in rhesus macaques.

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All Publications

2012: David R Simorangkir; Gary R Marshall; Suresh Ramaswamy; R Roslund; Tony M Plant
Sertoli cell differentiation in rhesus monkey (Macaca mulatta) is an early event in puberty and precedes attainment of the adult complement of undifferentiated spermatogonia.
Reproduction (Cambridge, England) 2012;143(4):513-22.
2009: Eugene D Albrecht; Malcolm V Lane; Gary R Marshall; Istvan Merchenthaler; David R Simorangkir; Clifford R Pohl; Tony M Plant; Gerald J Pepe
Estrogen promotes germ cell and seminiferous tubule development in the baboon fetal testis.
Biology of reproduction 2009;81(2):406-14.
2009: Brian P Hermann; Meena Sukhwani; David R Simorangkir; Tianjiao Chu; Tony M Plant; Kyle E Orwig
Molecular dissection of the male germ cell lineage identifies putative spermatogonial stem cells in rhesus macaques.
Human reproduction (Oxford, England) 2009;24(7):1704-16.
2009: David R Simorangkir; Gary R Marshall; Tony M Plant
A re-examination of proliferation and differentiation of type A spermatogonia in the adult rhesus monkey (Macaca mulatta).
Human reproduction (Oxford, England) 2009;24(7):1596-604.
2009: David R Simorangkir; Suresh Ramaswamy; Gary R Marshall; Clifford R Pohl; Tony M Plant
A selective monotropic elevation of FSH, but not that of LH, amplifies the proliferation and differentiation of spermatogonia in the adult rhesus monkey (Macaca mulatta).
Human reproduction (Oxford, England) 2009;24(7):1584-95.
2007: Sheri A Hild; Gary R Marshall; Barbara J Attardi; Rex Allen Hess; Stefan Schlatt; David R Simorangkir; Suresh Ramaswamy; Sailaja Koduri; Jerry R Reel; Tony M Plant
Development of l-CDB-4022 as a nonsteroidal male oral contraceptive: induction and recovery from severe oligospermia in the adult male cynomolgus monkey (Macaca fascicularis).
Endocrinology 2007;148(4):1784-96.
2006: Ganapathy K Bhat; Tamika L Sea; Moshood O Olatinwo; David R Simorangkir; Gregory D Ford; Byron D Ford; David R Mann
Influence of a leptin deficiency on testicular morphology, germ cell apoptosis, and expression levels of apoptosis-related genes in the mouse.
Journal of andrology 2006;27(2):302-10.
2005: Tony M Plant; Suresh Ramaswamy; David R Simorangkir; Gary R Marshall
Postnatal and pubertal development of the rhesus monkey (Macaca mulatta) testis.
Annals of the New York Academy of Sciences 2005;1061():149-62.
2005: David R Simorangkir; Gary R Marshall; Jens Ehmcke; Stefan Schlatt; Tony M Plant
Prepubertal expansion of dark and pale type A spermatogonia in the rhesus monkey (Macaca mulatta) results from proliferation during infantile and juvenile development in a relatively gonadotropin independent manner.
Biology of reproduction 2005;73(6):1109-15.
2005: Jens Ehmcke; David R Simorangkir; Stefan Schlatt
Identification of the starting point for spermatogenesis and characterization of the testicular stem cell in adult male rhesus monkeys.
Human reproduction (Oxford, England) 2005;20(5):1185-93.
2004: David R Simorangkir; Suresh Ramaswamy; Gary R Marshall; Tony M Plant
In the adult male rhesus monkey (Macaca mulatta), unilateral orchidectomy in the face of unchanging gonadotropin stimulation results in partial compensation of testosterone secretion by the remaining testis.
Endocrinology 2004;145(11):5115-20.
2003: David R Simorangkir; Gary R Marshall; Tony M Plant
Sertoli cell proliferation during prepubertal development in the rhesus monkey (Macaca mulatta) is maximal during infancy when gonadotropin secretion is robust.
The Journal of clinical endocrinology and metabolism 2003;88(10):4984-9.