In vitro complete differentiation of human spermatogonial stem cells to morphologic spermatozoa using a hybrid hydrogel of agarose and laminin

Spermatogenesis refers to the differentiation of the spermatogonial stem cells (SSCs) located in the base seminiferous tubules into haploid spermatozoa. Prerequisites for in vitro spermatogenesis include an extracellular matrix (ECM), paracrine factors, and testicular somatic cells which play a supp...

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Veröffentlicht in:International journal of biological macromolecules 2023-04, Vol.235, p.123801-123801, Article 123801
Hauptverfasser: Jabari, Ayob, Gholami, Keykavos, Khadivi, Farnaz, Koruji, Morteza, Amidi, Fardin, Gilani, Mohammad Ali Sadighi, Mahabadi, Vahid Pirhajati, Nikmahzar, Aghbibi, Salem, Maryam, Movassagh, Sepideh Ashouri, Feizollahi, Narjes, Abbasi, Mehdi
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container_title International journal of biological macromolecules
container_volume 235
creator Jabari, Ayob
Gholami, Keykavos
Khadivi, Farnaz
Koruji, Morteza
Amidi, Fardin
Gilani, Mohammad Ali Sadighi
Mahabadi, Vahid Pirhajati
Nikmahzar, Aghbibi
Salem, Maryam
Movassagh, Sepideh Ashouri
Feizollahi, Narjes
Abbasi, Mehdi
description Spermatogenesis refers to the differentiation of the spermatogonial stem cells (SSCs) located in the base seminiferous tubules into haploid spermatozoa. Prerequisites for in vitro spermatogenesis include an extracellular matrix (ECM), paracrine factors, and testicular somatic cells which play a supporting role for SSCs. Thus, the present study evaluated the potential of co-culturing Sertoli cells and SSCs embedded in a hybrid hydrogel of agarose and laminin, the main components of the ECM. Following the three–week conventional culture of human testicular cells, the cells were cultured in agarose hydrogel or agarose/laminin one (hybrid) for 74 days. Then, immunocytochemistry, real-time PCR, electron microscopy, and morphological staining methods were applied to analyze the presence of SSCs, as well as the other cells of the different stages of spermatogenesis. Based on the results, the colonies with positive spermatogenesis markers were observed in both culture systems. The existence of the cells of all three phases of spermatogenesis (spermatogonia, meiosis, and spermiogenesis) was confirmed in the two groups, while morphological spermatozoa were detected only in the hybrid hydrogel group. Finally, a biologically improved 3D matrix can support all the physiological activities of SSCs such as survival, proliferation, and differentiation.
doi_str_mv 10.1016/j.ijbiomac.2023.123801
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The existence of the cells of all three phases of spermatogenesis (spermatogonia, meiosis, and spermiogenesis) was confirmed in the two groups, while morphological spermatozoa were detected only in the hybrid hydrogel group. 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subjects Agarose
Cell Differentiation - physiology
coculture
electron microscopy
extracellular matrix
haploidy
Humans
Hybrid hydrogel
hydrogels
Hydrogels - pharmacology
immunocytochemistry
In vitro spermatogenesis
Laminin
Laminin - pharmacology
Male
meiosis
quantitative polymerase chain reaction
Sepharose
Spermatogenesis
spermatogonia
Spermatogonial stem cells
Spermatozoa
spermiogenesis
Stem Cells
testes
title In vitro complete differentiation of human spermatogonial stem cells to morphologic spermatozoa using a hybrid hydrogel of agarose and laminin
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