1829975

Differential sensitivity of calbindin and parvalbumin immunoreactive cells in the striatum to excitotoxins.

Article date: 1991/4/19

PubMed ID: 1829975

Journal name: Brain research (ISSN: 0006-8993)

ABSTRACT

The neurotoxic effects of ibotenic acid, quinolinic acid and kainic acid on cells in the rat striatum were investigated using immunocytochemistry with antibodies to the calcium binding proteins, calbindin and parvalbumin. The results showed that both ibotenic acid and quinolinic acid affected calbindin and parvalbumin cells to the same extent. However, parvalbumin immunopositive neurons were more sensitive than calbindin immunopositive neurons to the neurotoxic effects of kainic acid. Although the reason for this increased sensitivity of parvalbumin striatal neurons to kainic acid is unclear, these results suggest that the neurotoxicity produced by kainic acid is different to that occurring with quinolinic acid and ibotenic acid.

Author List: Waldvogel H J, Faull R L, Williams M N, Dragunow M

Publication Types: Journal Article; Research Support, Non-U.S. Gov't

Substances mentioned in the article: Calbindins; Parvalbumins; Quinolinic Acids; S100 Calcium Binding Protein G; Ibotenic Acid; Quinolinic Acid; Kainic Acid;

Mesh terms: Animals; Calbindins; Corpus Striatum/anatomy & histology; Ibotenic Acid/administration & dosage; Immunohistochemistry; Injections; Kainic Acid/administration & dosage; Parvalbumins/immunology; Quinolinic Acid; Quinolinic Acids/administration & dosage; Rats; S100 Calcium Binding Protein G/immunology;

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