Alginate Oligosaccharides Improve Germ Cell Development and Testicular Microenvironment to Rescue Busulfan Disrupted Spermatogenesis

Overview

Journal Theranostics

Date 2020 Mar 21

PMID 32194870

Citations 51

Authors

Yong Zhao

Pengfei Zhang

Wei Ge

Yanni Feng

Lan Li

Zhongyi Sun

Hongfu Zhang

Wei Shen

Affiliations

Soon will be listed here.

Abstract

: Busulfan is currently an indispensable anti-cancer drug, particularly for children, but the side effects on male reproduction are so serious that critical drug management is needed to minimize any negative impact. Meanwhile, alginate oligosaccharides (AOS) are natural products with many consequent advantages, that have attracted a great deal of pharmaceutical attention. In the current investigation, we performed single-cell RNA sequencing on murine testes treated with busulfan and/or AOS to define the mitigating effects of AOS on spermatogenesis at the single cell level. : Testicular cells () were examined by single cell RNA sequencing analysis, histopathological analysis, immunofluorescence staining, and Western blotting. Testes samples () underwent RNA sequencing analysis. Blood and testicular metabolomes were determined by liquid chromatography-mass spectrometry (LC/MS). : We found that AOS increased murine sperm concentration and motility, and rescued busulfan disrupted spermatogenesis through improving (i) the proportion of germ cells, (ii) gene expression important for spermatogenesis, and (iii) transcriptional factors . Furthermore, AOS promoted the expression of genes important for spermatogenesis Finally, our results showed that AOS improved blood and testis metabolomes as well as the gut microbiota to support the recovery of spermatogenesis. : AOS could be used to improve fertility in patients undergoing chemotherapy and to combat other factors that induce infertility in humans.

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