Histological and Immunohistochemical Investigation of the Cerebellum in Porcupine and Guinea Pig

Author:

Goodarzi Nader1ORCID,Nowrozi Masoumeh2,Baharan Omid2

Affiliation:

1. Department of Basic Sciences and Pathobiology, Faculty of Veterinary Medicine, Razi University , Iran

2. Faculty of Veterinary Medicine, Razi University , Iran

Abstract

AbstractThe present study was designed to investigate the cerebellum histology and immunohistochemistry in porcupine (Hystrix cristata) and guinea pig (Cavia porcellus). Two adult porcupines and two adult guinea pigs were used. For general histology, crystal violet and Luxol fast blue stains were applied. For immunohistochemistry, myelin-associated glycoprotein (MAG), neurofilament 200 (NF200), calbindin D-28K, and glial fibrillary-associated protein (GFAP) were investigated. The cerebellar cortex in both species was composed of three cellular layers: molecular, granular, and Purkinje cell (PC) layers. Purkinje cells in the porcupine showed a purple-colored and dark blue-colored cytoplasm in reaction to the crystal violet and Luxol fast blue staining, respectively. In the guinea pig, PC has a uniform reaction to the Luxol fast blue with dark-blue–colored cytoplasm. However, in response to the crystal violet, some PC with dark-purple cytoplasm showed stronger reaction than other PC which showed light-purple cytoplasm. The PC layer in some folia of the porcupine cerebellum was composed of 2–3 layers. The expression rates of calbindin D-28K, MAG, GFAP, and NF200 in the porcupine cerebellum were determined to be 19%, 42.5%, 62%, and 30%, respectively. These values were determined to be 27%, 34%, 43.5%, and 31.5%, respectively, in the guinea pig cerebellum.

Publisher

Oxford University Press (OUP)

Subject

Instrumentation

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