Neuroglobin in the rat brain: localization

Christian Ansgar Hundahl; Gregg C Allen; Jens Randel Nyengaard; Sylvia Dewilde; Bruce Douglas Carter; Jesper Kelsen; Anders Hay-Schmidt

doi:10.1159/000129698

Neuroglobin in the rat brain: localization

Christian Ansgar Hundahl, Gregg C Allen, Jens Randel Nyengaard, Sylvia Dewilde, Bruce Douglas Carter, Jesper Kelsen, Anders Hay-Schmidt

Department of Neuroscience

27 Citations (Scopus)

Abstract

Neuroglobin (Ngb) is a neuronal hemeprotein similar to myoglobin and hemoglobin and shares their capability for oxygen binding. It has thus been proposed that Ngb acts as an oxygen reservoir or combats reactive oxygen species. In the present study, we investigated the Ngb expression pattern in the rat brain using immunohistochemistry, in situ hybridization, and quantitative real-time PCR (qRT-PCR). This revealed the interesting finding that Ngb expression is restricted to a few neurone populations, many of which are involved in the sleep-wake cycle, circadian regulation or food regulation. In the forebrain we found intense Ngb expression in neurones in the piriform cortex, the central and medial amygdala, the medial preoptic area, the suprachiasmatic nucleus (SCN), the hypothalamic paraventricular nucleus, the perifornical nucleus, the lateral hypothalamus. Within the mid- and hindbrain Ngb expressing neurones were found in the laterodorsal tegmental nucleus, the pedunculo pontine tegmental nucleus, the locus coeruleus, and the lateral parabrachial nucleus. In the medulla oblongata Ngb expressing neurones were found in the nucleus of the solitary tract. The qRT-PCR data showed a diurnal variation of Ngb mRNA in the SCN, having a peak in the day time (light-period) and nadir during night (dark-period).

Original language	English
Journal	Neuroendocrinology
Volume	88
Issue number	3
Pages (from-to)	173-82
Number of pages	9
ISSN	0028-3835
DOIs	https://doi.org/10.1159/000129698
Publication status	Published - 2008

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title = "Neuroglobin in the rat brain: localization",

abstract = "Neuroglobin (Ngb) is a neuronal hemeprotein similar to myoglobin and hemoglobin and shares their capability for oxygen binding. It has thus been proposed that Ngb acts as an oxygen reservoir or combats reactive oxygen species. In the present study, we investigated the Ngb expression pattern in the rat brain using immunohistochemistry, in situ hybridization, and quantitative real-time PCR (qRT-PCR). This revealed the interesting finding that Ngb expression is restricted to a few neurone populations, many of which are involved in the sleep-wake cycle, circadian regulation or food regulation. In the forebrain we found intense Ngb expression in neurones in the piriform cortex, the central and medial amygdala, the medial preoptic area, the suprachiasmatic nucleus (SCN), the hypothalamic paraventricular nucleus, the perifornical nucleus, the lateral hypothalamus. Within the mid- and hindbrain Ngb expressing neurones were found in the laterodorsal tegmental nucleus, the pedunculo pontine tegmental nucleus, the locus coeruleus, and the lateral parabrachial nucleus. In the medulla oblongata Ngb expressing neurones were found in the nucleus of the solitary tract. The qRT-PCR data showed a diurnal variation of Ngb mRNA in the SCN, having a peak in the day time (light-period) and nadir during night (dark-period).",

author = "Hundahl, {Christian Ansgar} and Allen, {Gregg C} and Nyengaard, {Jens Randel} and Sylvia Dewilde and Carter, {Bruce Douglas} and Jesper Kelsen and Anders Hay-Schmidt",

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AU - Hundahl, Christian Ansgar

AU - Allen, Gregg C

AU - Nyengaard, Jens Randel

AU - Dewilde, Sylvia

AU - Carter, Bruce Douglas

AU - Kelsen, Jesper

AU - Hay-Schmidt, Anders

N1 - 2008 S. Karger AG, Basel.

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N2 - Neuroglobin (Ngb) is a neuronal hemeprotein similar to myoglobin and hemoglobin and shares their capability for oxygen binding. It has thus been proposed that Ngb acts as an oxygen reservoir or combats reactive oxygen species. In the present study, we investigated the Ngb expression pattern in the rat brain using immunohistochemistry, in situ hybridization, and quantitative real-time PCR (qRT-PCR). This revealed the interesting finding that Ngb expression is restricted to a few neurone populations, many of which are involved in the sleep-wake cycle, circadian regulation or food regulation. In the forebrain we found intense Ngb expression in neurones in the piriform cortex, the central and medial amygdala, the medial preoptic area, the suprachiasmatic nucleus (SCN), the hypothalamic paraventricular nucleus, the perifornical nucleus, the lateral hypothalamus. Within the mid- and hindbrain Ngb expressing neurones were found in the laterodorsal tegmental nucleus, the pedunculo pontine tegmental nucleus, the locus coeruleus, and the lateral parabrachial nucleus. In the medulla oblongata Ngb expressing neurones were found in the nucleus of the solitary tract. The qRT-PCR data showed a diurnal variation of Ngb mRNA in the SCN, having a peak in the day time (light-period) and nadir during night (dark-period).

AB - Neuroglobin (Ngb) is a neuronal hemeprotein similar to myoglobin and hemoglobin and shares their capability for oxygen binding. It has thus been proposed that Ngb acts as an oxygen reservoir or combats reactive oxygen species. In the present study, we investigated the Ngb expression pattern in the rat brain using immunohistochemistry, in situ hybridization, and quantitative real-time PCR (qRT-PCR). This revealed the interesting finding that Ngb expression is restricted to a few neurone populations, many of which are involved in the sleep-wake cycle, circadian regulation or food regulation. In the forebrain we found intense Ngb expression in neurones in the piriform cortex, the central and medial amygdala, the medial preoptic area, the suprachiasmatic nucleus (SCN), the hypothalamic paraventricular nucleus, the perifornical nucleus, the lateral hypothalamus. Within the mid- and hindbrain Ngb expressing neurones were found in the laterodorsal tegmental nucleus, the pedunculo pontine tegmental nucleus, the locus coeruleus, and the lateral parabrachial nucleus. In the medulla oblongata Ngb expressing neurones were found in the nucleus of the solitary tract. The qRT-PCR data showed a diurnal variation of Ngb mRNA in the SCN, having a peak in the day time (light-period) and nadir during night (dark-period).

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DO - 10.1159/000129698

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VL - 88

SP - 173

EP - 182

JO - Neuroendocrinology

JF - Neuroendocrinology

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Neuroglobin in the rat brain: localization

Abstract

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