Received: 6 May 2021 ; Revised: 13 June 2021 ; Accepted: 15 June 2021 ; Published: 22 June 2021.

An open access article distributed under the terms andconditions of the Creative CommonsAttribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/)

This article belongs to the Special Issue Researches on Normal and Cancer Stem Cells.

This work was supported by Harmonia NCN grant to M.Z.R.,

Miniatura NCN grant to A.K.C.,

Miniatura NCN grant to D.S.K.,