Tropomyosin and alpha‐actinin in teleost rodlet cells

2020 ◽  
Author(s):  
Joseph A. DePasquale
Keyword(s):  
Rodlet Cells

scholarly journals Fish telocytes and their relation to rodlet cells in ruby-red-fin shark (rainbow shark) Epalzeorhynchos frenatum (Teleostei: Cyprinidae)

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Hanan H. Abd-Elhafeez ◽  
Walied Abdo ◽  
Basma Mohamed Kamal ◽  
Soha A. Soliman
Keyword(s):  
Stem Cells ◽  
Progenitor Cells ◽  
Direct Contact ◽  
Cell Function ◽  
Cell Contact ◽  
Migration Ability ◽  
Thin Sections ◽  
3D Network ◽  
And Migration ◽  
Rodlet Cells

Abstract Telocytes comprise the major constituents of the supportive interstitial framework within the various organs. They form a 3D network between different types of stromal and non-stromal cells, which makes them distinctively vital. We have previously explored the origin of the peculiar rodlet cells, especially on their differential stages in aquatic species. The current study aimed at highlighting the relation of telocytes with different rodlet stages. Samples of fish, olfactory organs, and gills were processed for semi thin sections, transmission electron microscopy, and immunohistochemistry. It was evident in the study that telocytes formed a 3D interstitial network, entrapping stem cells and differentiating rodlet cells, to establish direct contact with stem cells. Differentiated stem cells and rodlet progenitor cells, practically in the granular and transitional stages, also formed ultrastructure junctional modifications, by which nanostructures are formed to establish cell contact with telocytes. Telocytes in turn also connected with macrophage progenitor cells. Telocytes (TCs) expressed CD34, CD117, VEGF, and MMP-9. In conclusion, telocytes established direct contact with the stem and rodlet cells in various differential stages. Telocytes may vitally influence stem/progenitor cell differentiation, regulate rodlet cell function, and express MPP-9 that may regulate immune cells functions especially, including movement and migration ability.

Rodlet cells in the thymus of the zebrafish Danio rerio (Hamilton, 1822)

2009 ◽  
Vol 27 (4) ◽  
pp. 539-548 ◽  
Author(s):  
Daniel Siderits ◽  
Edith Bielek
Keyword(s):  
Danio Rerio ◽  
Rodlet Cells

Rodlet cells in epidermal explant cultures ofLepomis Macrochirus

2012 ◽  
Vol 95 (2) ◽  
pp. 144-154 ◽  
Author(s):  
Joseph A. DePasquale
Keyword(s):  
Explant Cultures ◽  
Rodlet Cells

An ultrastructural study of the enigmatic "rodlet cells" in the white sucker, Catostomus commersoni (Lacépède) (Pisces: Catostomidae)

1975 ◽  
Vol 53 (11) ◽  
pp. 1483-1494 ◽  
Author(s):  
Sherwin S. Desser ◽  
Robert Lester
Keyword(s):  
Golgi Complex ◽  
Spherical Inclusion ◽  
Thick Wall ◽  
Apical Region ◽  
Basal Region ◽  
White Sucker ◽  
Catostomus Commersoni ◽  
Epithelial Surface ◽  
And Function ◽  
Rodlet Cells

The cytology of immature and mature stages of a peculiar and widespread cell, the "rodlet cell" is described from the epithelium of the operculum and gill raker of the white sucker, Catostomus commersoni. Immature stages were observed in the intermediate and basal zones of the epithelium. They were spherical to ovoid in shape and surrounded by a limiting membrane, beneath which were numerous microfilaments arranged in parallel. The cytoplasm of immature rodlet cells contained a prominent "active" Golgi complex, peripherally arranged mitochondria, numerous free ribosomes, and an extensive network of distended cisternae of granular endoplasmic reticulum. Mature rodlet cells were usually observed along the epithelial surface. These fusiform cells were surrounded by a thick wall which contained circumferentially arranged microfilaments. A nucleus, a spherical inclusion, and a Golgi complex were observed in the basal region of the cell. The cytoplasm contained many closely packed vesicles. Numerous mitochondria were aggregated in the apical region of the cell, which terminated in three or more microvillus-like processes. While the nature and function of the rodlet cells is not elucidated, it is postulated that they are not protozoan parasites.

Rodlet-cells: Gland cell or protozoon?

1982 ◽  
Vol 38 (10) ◽  
pp. 1216-1218 ◽  
Author(s):  
G. Viehberger ◽  
E. Bielek
Keyword(s):  
Gland Cell ◽  
Rodlet Cells

Rodlet cells development in the intestine of sea bass (Dicentrarchus labrax)

2012 ◽  
Vol 75 (10) ◽  
pp. 1321-1328 ◽  
Author(s):  
Rosaria Laurà ◽  
Germana P. Germanà ◽  
Maria B. Levanti ◽  
Maria C. Guerrera ◽  
Giuseppe Radaelli ◽  
...  
Keyword(s):  
Dicentrarchus Labrax ◽  
Sea Bass ◽  
Rodlet Cells

Histochemical and immunohistochemical characterization of rodlet cells in the intestine of two teleosts,Anguilla anguillaandCyprinus carpio

2017 ◽  
Vol 41 (3) ◽  
pp. 475-485 ◽  
Author(s):  
G Bosi ◽  
J A DePasquale ◽  
M Manera ◽  
G Castaldelli ◽  
L Giari ◽  
...  
Keyword(s):  
Rodlet Cells

Migratory Activities and Stemness Properties of Rodlet Cells

2020 ◽  
Vol 26 (5) ◽  
pp. 1035-1052
Author(s):  
Hanan H. Abd-Elhafeez ◽  
Alaa S. Abou-Elhamd ◽  
Walied Abdo ◽  
Soha A. Soliman
Keyword(s):  
Rodlet Cells

Abstract

Sign in / Sign up

Export Citation Format

Share Document