Wild Birds' Genetic Resources Bank: Feather Follicle Cell Culture as a Possible Source of Stem Cells.

IF 2.3 Q3 BIOCHEMICAL RESEARCH METHODS Methods and Protocols Pub Date : 2025-02-08 DOI:10.3390/mps8010017

Yasmin Godoi Dos Reis, Maria Eduarda Pralon Guerra, Meline de Paula Coutinho, Sarah Ingrid Pinto Santos, Bruna Dias Mota, Lauriene Luiza de Souza Munhoz, Diogo Pascoal Rossetti, Daniele Dos Santos Martins

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Abstract

Follicular cells represent a valuable resource for genetic research, biotechnology and cryopreservation in biobanks, particularly for the conservation of endangered species. They offer a more practical alternative to gametes, embryos and fibroblasts. Collection of these cells can be achieved through feather plucking. Feather samples were opened with a scalpel and the feather pulp was washed with PBS, cut into cubes and digested in collagenase type IV. Cultivation was carried out in DMEM culture medium with 15% fetal bovine serum, 1% penicillin/streptomycin and 0.5% amphotericin, under incubation conditions of 39.5 °C and 5% CO₂. Passages were carried out with 5% EDTA for 5 min. The culture was successful, with great cell proliferation, adherence to plastic and aggregation into cell colonies. This method was effective in obtaining feather follicle cells from wild birds, especially when collected up to 6 h after their death, and can serve as a base protocol for research with feather follicle cells aiming to create biobanks.

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