Parvalbumin immunoreactivity of the lateral geniculate nucleus in adult rhesus monkeys after monocular eye enucleation
- 1 March 1991
- journal article
- research article
- Published by Maximum Academic Press in Visual Neuroscience
- Vol. 6 (4) , 375-382
- https://doi.org/10.1017/s095252380000660x
Abstract
Immunocytochemical methods with antiserum to the calcium-binding protein parvalbumin (PV) were used to examine the effects of monocular enucleation on parvalbuminergic neurons and processes in the lateral geniculate nucleus (LGN) of adult rhesus monkeys. In the LGN of normal monkeys, numerous PV-positive neurons, including the largest neurons in the nucleus, and many PV-positive processes occur in all six laminae. After monocular enucleation, PV immunoreactivity is reduced in the neuropil of the denervated laminae compared to adjacent nondenervated and to normal laminae. PV immunoreactivity of somata in denervated laminae, however, appears to be indistinguishable from that of somata in nondenervated laminae, although neurons in the denervated laminae are smaller in size. Since LGN neurons in denervated laminae have lost their visual input, the functional role of PV in this nucleus may not relate directly to visual information processing.Keywords
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