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Chuma Okere
Title Dr
Faculty Rank Assistant Professor
Degree PhD
Institution Clark Atlanta University
Department Biological Sciences
Clusters Neurological Disorders and Mental Health
223 James P. Brawley Drive, SW
City Atlanta
State GA
Postal Code 30314
Telephone 404-880-6854
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1. Nichols IS, Jones MI, Okere C, Ananaba G, Bush B, Gray C, Brager A, Ehlen JC, Paul K. Nitrergic neurons of the dorsal raphe nucleus encode information about stress duration. PLoS One. 2017; 12(11):e0187071.
2. Okere CO, Waterhouse BD. Nicotine withdrawal upregulates nitrergic and galaninergic activity in the rat dorsal raphe nucleus and locus coeruleus. Neurosci Lett. 2013 Mar 01; 536:29-34.
3. Okere CO. Differential plasticity of microglial cells in the rostrocaudal neuraxis of the accessory olfactory bulb of female mice following mating and stud male exposure. Neurosci Lett. 2012 Apr 11; 514(1):116-21.
4. Smalls SL, Okere CO. Acute restraint increases varicosity density and reduces the inter-varicosity distance in NADPH diaphorase-containing neurons in the rat dorsolateral periaqueductal gray matter. Neurosci Lett. 2012 Mar 05; 511(1):23-7.
5. Okere CO, Waterhouse BD. Acute restraint increases NADPH-diaphorase staining in distinct subregions of the rat dorsal raphe nucleus: implications for raphe serotonergic and nitrergic transmission. Brain Res. 2006 Nov 13; 1119(1):174-81.
6. Okere CO, Waterhouse BD. Acute capsaicin injection increases nicotinamide adenine dinucleotide phosphate diaphorase staining independent of Fos activation in the rat dorsolateral periaqueductal gray. Neurosci Lett. 2006 Sep 01; 404(3):288-93.
7. Okere CO, Waterhouse BD. Activity-dependent heterogeneous populations of nitric oxide synthase neurons in the rat dorsal raphe nucleus. Brain Res. 2006 May 01; 1086(1):117-32.
8. Okere CO, Waterhouse BD. Capsaicin increases GFAP and glutamine synthetase immunoreactivity in rat arcuate nucleus and median eminence. Neuroreport. 2004 Feb 09; 15(2):255-8.
9. Okere CO, Waterhouse BD. Inter- and intra-nuclear differences in galanin expression between the hypothalamic paraventricular and supraoptic nuclei in colchicine-untreated rats. Brain Res. 2003 May 16; 972(1-2):222-8.
10. Higuchi T, Okere CO. Role of the supraoptic nucleus in regulation of parturition and milk ejection revisited. Microsc Res Tech. 2002 Jan 15; 56(2):113-21.
11. Okere CO, Higuchi T, Kaba H. Stimulus-dependence of NO-mediated neuronal activation: a Fos expression study in the hippocampus and cortex of lactating rats. Neuroreport. 2001 Sep 17; 12(13):2859-64.
12. Okere CO, Higuchi T, Kaba H. Fos activation and upregulation of nicotinamide adenine dinucleotide phosphate diaphorase in the rat pituitary by acute capsaicin injection. Neurosci Lett. 2000 Dec 08; 295(3):73-6.
13. Okere CO, Kaba H. Increased expression of neuronal nitric oxide synthase mRNA in the accessory olfactory bulb during the formation of olfactory recognition memory in mice. Eur J Neurosci. 2000 Dec; 12(12):4552-6.
14. Otukonyong EE, Okere CO, Johnstone LE, Murata T, Kaba H, Higuchi T. Effect of suckling on NADPH-diaphorase (Nitric oxide synthase, NOS) reactivity and NOS gene expression in the paraventricular and supraoptic nuclei of lactating rats. J Neuroendocrinol. 2000 Oct; 12(10):1001-8.
15. Okere CO, Kaba H. Heterogenous immunohistochemical expression of microglia-specific ionized calcium binding adaptor protein (Iba1) in the mouse olfactory bulb. Brain Res. 2000 Sep 15; 877(1):85-90.
16. Okere CO, Kaba H, Higuchi T. Importance of endogenous nitric oxide synthase in the rat hypothalamus and amygdala in mediating the response to capsaicin. J Comp Neurol. 2000 Aug 07; 423(4):670-86.
17. Okere CO, Kaba H, Higuchi T. Differential activation of Fos-like immunoreactivity in the arcuate nucleus and amygdala after intracerebroventricular injection of sodium nitroprusside and N omega nitro-L-arginine in conscious and urethane-anesthetized lactating rats. Neurosci Lett. 2000 Apr 14; 283(3):189-92.
18. Okere CO, Kaba H. Region-specific localization of glutamine synthetase immunoreactivity in the mouse olfactory bulb: implications for neuron-glia interaction in bulbar synaptic plasticity. Brain Res. 2000 Feb 28; 857(1-2):308-12.
19. Okere CO, Kaba H, Seto K, Higuchi T. Intracerebroventricular injection of a nitric oxide donor attenuates Fos expression in the paraventricular and supraoptic nuclei of lactating rats. Brain Res. 1999 May 15; 828(1-2):104-14.
20. Okere CO, Kaba H, Higuchi T. A role for nitric oxide in the median eminence and arcuate nucleus response to capsaicin treatment in rats. Neuroreport. 1999 Apr 26; 10(6):1209-13.
21. Okere CO, Murata E, Higuchi T. Perivascular localization of nitric oxide synthase in the rat adenohypophysis: potential implications for function and cell-cell interaction. Brain Res. 1998 Feb 16; 784(1-2):337-40.
22. Okere CO, Murata E, Murata T, Takahashi S, Okutani F, Higuchi T. Parturition upregulates nitric oxide synthase activity in the rat anterior pituitary gland. Neuroreport. 1997 Mar 03; 8(4):817-21.
23. Okere CO, Wang YF, Higuchi T, Negoro H, Okutani F, Takahashi S, Murata T. The effect of systemic and central nitric oxide administration on milk availability in lactating rats. Neuroreport. 1996 Dec 20; 8(1):243-7.
24. Okere CO, Higuchi T. Down-regulation of endogenous nitric oxide synthase in late-pregnancy and parturition in the rat hypothalamic magnocellular neurons and neurohypophysis. Neurosci Lett. 1996 Dec 13; 220(2):133-6.
25. Okere CO, Kaba H, Takahashi S, Higuchi T. Intrabulbar infusions of (+/-)S-nitroso-N-acetylpenicillamine and L-arginine induce functional plasticity in the accessory olfactory bulb of female mice. Neurosci Lett. 1996 Oct 18; 217(2-3):197-9.
26. Okere CO, Higuchi T, Kaba H, Russell JA, Okutani F, Takahashi S, Murata T. Nitric oxide prolongs parturition and inhibits maternal behavior in rats. Neuroreport. 1996 Jul 08; 7(10):1695-9.
27. Okere CO, Kaba H, Higuchi T. Formation of an olfactory recognition memory in mice: reassessment of the role of nitric oxide. Neuroscience. 1996 Mar; 71(2):349-54.
28. Okere CO, Kaba H, Higuchi T. Failure of intrabulbar and peripheral administration of N omega-nitro-L-arginine to prevent the formation of an olfactory memory in mice. Physiol Behav. 1995 Aug; 58(2):387-91.

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Nitric Oxide Synthase
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