ArticleFrontiers in cell and developmental biology2021
A Novel Circular RNA circITSN2 Targets the miR-218-5p/LMO7 Axis to Promote Chicken Embryonic Myoblast Proliferation and Differentiation.
Article in Frontiers in cell and developmental biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 24 citations in OpenAlex.
- CircACLY regulates proliferation, differentiation, and apoptosis of Jingyuan chicken myoblasts by sponging gga-miR-6660-3P.Journal of animal science · 2026Article
- From Correlation to Causation: Defining Gene and RNA Function in Poultry Muscle Biology Using In Vivo Genetic Tools.Biomolecules · 2025Review
- Circular RNA circSTX12 regulates osteo-adipogenic balance and proliferation of BMSCs in senile osteoporosis.Cellular and molecular life sciences : CMLS · 2025Article
- Candidate circRNAs related to skeletal muscle development in Dazu black goats.Animal biotechnology · 2024Article
- Circular RNA circIGF2BP3 Promotes the Proliferation and Differentiation of Chicken Primary Myoblasts.International journal of molecular sciences · 2023Article
- The Function and Regulation Mechanism of Non-Coding RNAs in Muscle Development.International journal of molecular sciences · 2023Review
- Emerging roles of circular RNAs in stem cells.Genes & diseases · 2023Review
- Genome-wide analysis of circular RNA-mediated ceRNA regulation in porcine skeletal muscle development.BMC genomics · 2023Article
- FOXG1 drives transcriptomic networks to specify principal neuron subtypes during the development of the medial pallium.Science advances · 2023Article
- Regulation of Non-Coding RNA in the Growth and Development of Skeletal Muscle in Domestic Chickens.Genes · 2022Review
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14 authors at 1 institution in 1 country.
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Abstract
Circular RNA (circRNA) is a class of endogenous non-coding RNAs without 5' and 3' ends; an increasing number of studies show that circRNA is involved in skeletal muscle development. From our previous sequencing data, the circRNAome in breast muscle of two chicken lines with a distinct rate of muscle development, which included a fast muscle growing broiler (FMGB) and a slow muscle growing layer (SMGL), we found a novel differentially expressed circRNA generated by intersectin 2 (ITSN2) gene (named circITSN2). We verified that circITSN2 is a skeletal muscle-enriched circRNA that promotes chicken primary myoblast (CPM) proliferation and differentiation. Further molecular mechanism analysis of circITSN2 in chicken myogenesis was performed, and we found circITSN2 directly targeting miR-218-5p. Besides, miR-218-5p inhibits CPM proliferation and differentiation, which is contrary to circITSN2. Commonly, circRNAs act as a miRNA sponge to alleviate the inhibition of miRNAs on mRNAs. Thus, we also identified that a downstream gene LIM domain 7 (LMO7) was inhibited by miR-218-5p, while circITSN2 could block the inhibitory effect of miR-218-5p by targeting it. Functional analysis revealed that LMO7 also accelerates CPM proliferation and differentiation, which was similar to circITSN2 but contrary to miR-218-5p. Taken together, these results suggested that circITSN2 promotes chicken embryonic skeletal muscle development
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