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A comparison of teleost rodlet cells with apicomplexan cells.
DePasquale, Joseph A.
Afiliação
  • DePasquale JA; Morphogenyx Inc, PO Box 717, East Northport, NY 11731, USA. Electronic address: jadepasquale@morphogenyx.com.
Acta Histochem ; 126(4): 152167, 2024 May.
Article em En | MEDLINE | ID: mdl-38733697
ABSTRACT
Rodlet cells are unique pear-shaped cells found primarily in the epithelium of the teleost fishes. The rodlet cell was first identified by Thèlohan in 1892 who named it Rhabdospora thelohani as it was believed to be a protozoan parasite of the phylum Apicomplexa. The rodlet cell as parasite paradigm persisted for several decades afterwards but has since faded in the last 20 years or so. The rodlet cell is now generally believed to be an immune cell, functioning as an early responder to parasite intrusion. This short review makes a detailed comparison of apicomplexan structure and behavior with that of the rodlet cell to further strengthen the argument against a parasitic nature for the fish cell. It is then proposed that apical microvilli of the rodlet cell serve as a mechanical trigger for rodlet discharge as possible defense against larger ectoparasites.
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Texto completo: 1 Base de dados: MEDLINE Assunto principal: Apicomplexa / Peixes Idioma: En Ano de publicação: 2024 Tipo de documento: Article

Texto completo: 1 Base de dados: MEDLINE Assunto principal: Apicomplexa / Peixes Idioma: En Ano de publicação: 2024 Tipo de documento: Article