Agency
National Institute of Health (NIH)
Institute
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Type
Research Project (R01)
Project #
5R01DK042323-05
Application #
2142236
Study Section
Biochemical Endocrinology Study Section (BCE)
Project Start
1990-01-01
Project End
1996-12-31
Budget Start
1994-01-01
Budget End
1996-12-31
Support Year
5
Fiscal Year
1994
Total Cost
Indirect Cost
Name
Columbia University (N.Y.)
Department
Anatomy/Cell Biology
Type
Schools of Medicine
DUNS #
167204994
City
New York
State
NY
Country
United States
Zip Code
10032
Witkin, J W (1999) Synchronized neuronal networks: the GnRH system. Microsc Res Tech 44:11-8
Witkin, J W; O'Sullivan, H; Miller, R et al. (1997) GnRH perikarya in medial basal hypothalamus of pubertal female rhesus macaque are ensheathed with glia. J Neuroendocrinol 9:881-5
Witkin, J W (1996) Effects of ovariectomy on GnRH neuronal morphology in rhesus monkey (Macaca mulatta). J Neuroendocrinol 8:601-4
Witkin, J W; O'Sullivan, H; Ferin, M (1995) Glial ensheathment of GnRH neurons in pubertal female rhesus macaques. J Neuroendocrinol 7:665-71
Sullivan, K A; Witkin, J W; Ferin, M et al. (1995) Gonadotropin-releasing hormone neurons in the rhesus macaque are not immunoreactive for the estrogen receptor. Brain Res 685:198-200
Witkin, J W; O'Sullivan, H; Silverman, A J (1995) Novel associations among gonadotropin-releasing hormone neurons. Endocrinology 136:4323-30
Romero, M T; Silverman, A J; Wise, P M et al. (1994) Ultrastructural changes in gonadotropin-releasing hormone neurons as a function of age and ovariectomy in rats. Neuroscience 58:217-25
Witkin, J W; Xiao, E; Popilskis, S et al. (1994) FOS expression in the gonadotropin-releasing hormone (GnRH) neuron does not increase during the ovarian steroid-induced GnRH surge in the rhesus monkey. Endocrinology 135:956-61
Witkin, J W; Ferin, M; Popilskis, S J et al. (1991) Effects of gonadal steroids on the ultrastructure of GnRH neurons in the rhesus monkey: synaptic input and glial apposition. Endocrinology 129:1083-92