alexa Origin of Rodlet Cells and Mapping Their Distribution in Ruby-Red-Fin Shark (Rainbow Shark) Epalzeorhynchos frenatum (Teleostei: Cyprinidae): Light, Immunohistochemistry and Ultrastructure Study
ISSN: 2157-7099

Journal of Cytology & Histology
Open Access

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Research Article

Origin of Rodlet Cells and Mapping Their Distribution in Ruby-Red-Fin Shark (Rainbow Shark) Epalzeorhynchos frenatum (Teleostei: Cyprinidae): Light, Immunohistochemistry and Ultrastructure Study

Hanan H Abd-Elhafeez1* and Soha A Soliman2

1Department of Anatomy and Histology, Faculty of Veterinary Medicine, Assuit University, 71526, Egypt

2Department of Histology, Faculty of Veterinary Medicine, South Valley University, Egypt

*Corresponding Author:

Hanan H
Abd-Elhafeez
Department of Anatomy and Histology
Faculty of Veterinary Medicine
Assuit University, 71526
Egypt
Tel: +201006500848
E-mail: [email protected]

Received Date: September 28, 2016 Accepted Date: October 19, 2016 Published Date: October 29, 2016

Citation: Abd-Elhafeez HH, Soliman SA (2016) Origin of Rodlet Cells and Mapping Their Distribution in Ruby-Red-Fin Shark (Rainbow Shark) Epalzeorhynchos frenatum (Teleostei: Cyprinidae): Light, Immunohistochemistry and Ultrastructure Study. J Cytol Histol 7: 435. doi: 10.4172/2157-7099.1000435

Copyright: © 2016 Abd-Elhafeez HH, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

The present study describes for the first time histology, histochemistry, and ultrastructure of all rodlet stages. By ultrastructure, we identified rodlet progenitors in the stroma of the olfactory organ in Red-Fin shark. Rodlet progenitors were mesenchymal-like cells synthesis the primitive rodlet granules. Rodlet progenitors differentiated to vesicular rodlet cells, which was rich in vesicles and vacuoles, and accumulate intracellular fibrillar-like components. Granular rodlet cells were observed in the basal epithelia, contained premature rodlet granules and began to organize the fibrillar components of the rodlet capsule. Transitional rodlet cells continued to deposit the fibrils of the capsule and synthesis of rodlet granules. Mature rodlet cells were polarized bear-shape and had typical rodlet granules. Histochemistry showed rodlet cells had a wide range of staining affinities including carbohydrate, lipid, and protein staining. All stages of rodlet cells revealed the presence of PAS-positive granules in the cytoplasm of rodlet cells where, While the ruptured ones stained strongly with alcian blue, sliver stain and Sudan black B. Rodlet granule was positive for bromophenol blue Rodlet cells were positively immunostained against Matrix Metalloproteinase-9 (MPP-9) in all stages indicate invasion properties of rodlet cells in tissue. Conclusion rodlet cells originated from the stroma of the olfactory organ.

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