ArticleActa pharmaceutica Sinica. B2025
Identification of a JAK-STAT-miR155HG positive feedback loop in regulating natural killer (NK) cells proliferation and effector functions.
Article in Acta pharmaceutica Sinica. B, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Rbp-Jκ controls NK cell late maturation and migration via chromatin landscape remodeling.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Natural killer cells against viral infection: from basic biology to immunotherapy.Precision clinical medicine · 2026Review
- JAK-STAT signaling pathway in cancer: from molecular mechanisms to clinical intervention.Molecular cancer · 2026Review
- Enhancing CAR-NK persistence to unlock its full therapeutic potentials.Frontiers in immunology · 2026Review
- Characterization of innate lymphoid cells in infants with human cytomegalovirus infection.BMC pediatrics · 2025Article
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22 authors.
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Abstract
The Janus kinase/signal transducers and activators of transcription (JAK-STAT) control natural killer (NK) cells development and cytotoxic functions, however, whether long non-coding RNAs (lncRNAs) are involved in this pathway remains unknown. We found that miR155HG was elevated in activated NK cells and promoted their proliferation and effector functions in both NK92 and induced-pluripotent stem cells (iPSCs)-derived NK (iPSC-NK) cells, without reliance on its derived miR-155 and micropeptide P155. Mechanistically, miR155HG bound to miR-6756 and relieved its repression of JAK3 expression, thereby promoting the JAK-STAT pathway and enhancing NK cell proliferation and function. Further investigations disclosed that upon cytokine stimulation, STAT3 directly interacts with miR155HG promoter and induces miR155HG transcription. Collectively, we identify a miR155HG-mediated positive feedback loop of the JAK-STAT signaling. Our study will also provide a power target regarding miR155HG for improving NK cell generation and effector function in the field of NK cell adoptive transfer therapy against cancer, especially iPSC-derived NK cells.
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