Schistosoma sex-biased microRNAs regulate ovarian development and egg production by targeting Wnt signaling pathway.

Commun Biol

Shanghai Tenth People's Hospital, Institute for Infectious Diseases and Vaccine Development, School of Medicine, Tongji University, Shanghai, China.

Published: December 2024

Adult Schistosoma produces a large number of eggs that play essential roles in host pathology and disease dissemination. Consequently, understanding the mechanisms of sexual maturation and egg production may open a new avenue for controlling schistosomiasis. Here, we describe that Bantam miRNA and miR-1989 regulate Wnt signaling pathway by targeting Frizzled-5/7/9, which is involved in ovarian development and oviposition. Additionally, Frizzled-7 could cooperate with SjRho to maintain normal ovarian development and egg productions and SjRho may interact with Hsp60 to potentially support Frizzled-7 trafficking and signaling. Further in vivo inhibition of SjRho in mice model infected with Schistosoma results in a remarkable decrease in worm burden and egg productions. Our findings not only broaden the functions of Bantam miRNA and miR-1989 as well as Wnt signaling pathway, but also imply that interruption of Bantam/miR-1989-Frizzled-5/7/9-SjRho axis may serve as effective targets against schistosomiasis.

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http://dx.doi.org/10.1038/s42003-024-07402-zDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11688426PMC

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