Kinin receptors on human neurones

Knowledge of the distribution of kinin receptors in the human brain will aid our understanding of the role of kinins in neurophysiology. Furthermore, induction of the kinin B1 receptor may be important in the pathogenesis of neural diseases. Using polyclonal antibodies directed to specific regions o...

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Bibliographic Details
Published in:Journal of neuroimmunology 1997-07, Vol.77 (1), p.39-44
Main Authors: Raidoo, Deshandra M, Bhoola, Kanti D
Format: Article
Language:English
Subjects:
Adult
Amino Acid Sequence
Female
Human brain
Humans
Hypothalamus - chemistry
Hypothalamus - cytology
Immunohistochemistry
Kinin receptors
Male
Medulla Oblongata - chemistry
Medulla Oblongata - cytology
Molecular Sequence Data
Neurons - chemistry
Receptors, Bradykinin - analysis
Receptors, Bradykinin - chemistry
Somatosensory Cortex - chemistry
Somatosensory Cortex - cytology
Spinal Cord - chemistry
Spinal Cord - cytology
Thalamus - chemistry
Thalamus - cytology
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Summary:Knowledge of the distribution of kinin receptors in the human brain will aid our understanding of the role of kinins in neurophysiology. Furthermore, induction of the kinin B1 receptor may be important in the pathogenesis of neural diseases. Using polyclonal antibodies directed to specific regions of the B1 and B2 kinin receptors and standard immunolabelling techniques, we report on the localisation of these receptors on neurones in specific areas of the human brain. B2 bradykinin receptors are present in neurones of the brain stem, basal nuclei, cerebral cortex, thalamus and hypothalamus. B2 immunolabelling was also observed in the endothelial lining of the superior sagittal dural sinus and ependyma of the lateral and third ventricles. B1 kinin receptors have been localised on neurones of the thalamus, spinal cord and hypothalamus. Although binding of labelled bradykinin to neuronal membranes has been demonstrated, this is the first conclusive evidence for the existence of immunoreactive B1, and further confirmation of B2 receptors on human neurones.
ISSN:0165-5728
1872-8421
DOI:10.1016/S0165-5728(97)00048-9