ArticleThe Journal of clinical investigation2023
Long noncoding RNA HITT coordinates with RGS2 to inhibit PD-L1 translation in T cell immunity.
Article in The Journal of clinical investigation, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed, 28 citations in OpenAlex.
- Berberine induces PD-L1 degradation via the autophagy-lysosome pathway through the PI3K-Akt pathway and enhances immunogenic cell death in triple-negative breast cancer.Frontiers in immunology · 2026Article
- Roles and potential applications of non-coding RNAs in cancer treatment with immune checkpoint inhibitors and immunomodulatory therapies.Cancer drug resistance (Alhambra, Calif.) · 2026Review
- Secretory Lysosome-Related Gene Signature Defines the Immune Microenvironment and Identifies RGS2 as a Prometastatic Factor in Hepatocellular Carcinoma.Human mutation · 2026Article
- LncRNA-CTD suppresses metastasis and immune evasion by modulating snail1 and MHC-I expression in colorectal cancer.Journal for immunotherapy of cancer · 2025Article
- G protein regulation by RGS proteins in the pathophysiology of dilated cardiomyopathy.American journal of physiology. Heart and circulatory physiology · 2025Review
- Weighted Gene Coexpression Network Analysis Identifies Neutrophil-Related Molecular Subtypes and Their Clinical Significance in Gastric Cancer.Cancer management and research · 2025Article
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- New mechanism of LncRNA: In addition to act as a ceRNA.Non-coding RNA research · 2024Review
- Mechanism research of non-coding RNA in immune checkpoint inhibitors therapy.Cancer science · 2024Review
- Exploring the promise of regulator of G Protein Signaling 20: insights into potential mechanisms and prospects across solid cancers and hematological malignancies.Cancer cell international · 2024Review
- LncRNA ZNF674-AS1 drives cell growth and inhibits cisplatin-induced pyroptosis via up-regulating CA9 in neuroblastoma.Cell death & disease · 2024Article
- LINC01134: a pivotal oncogene with promising predictive maker and therapeutic target in hepatocellular carcinoma.Frontiers in oncology · 2024Review
- Current concepts of the crosstalk between lncRNA and E2F1: shedding light on the cancer therapy.Frontiers in pharmacology · 2024Review
- Potential therapies for non-coding RNAs in breast cancer.Frontiers in oncology · 2024Review
- Development and Validation of the Oxidative Stress Related lncRNAs for Prognosis in Esophageal Squamous Cell Carcinoma.Cancers · 2023Article
- Involvement of lncRNAs in the tumor microenvironment: a new property of tumor immunity.Cancer biology & medicine · 2023Article
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Authors and funding
14 authors at 5 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Programmed cell death ligand 1 (PD-L1) is an immune checkpoint protein frequently expressed in human cancers that contributes to immune evasion through its binding to PD-1 on activated T cells. Unveiling the mechanisms underlying PD-L1 expression is essential for understanding the impact of the immunosuppressive microenvironment and is also crucial for the purpose of reboosting antitumor immunity. However, how PD-L1 is regulated, particularly at translational levels, remains largely unknown. Here, we discovered that a long noncoding RNA (lncRNA), HIF-1α inhibitor at translation level (HITT), was transactivated by E2F transcription factor 1 (E2F1) under IFN-γ stimulation. It coordinated with regulator of G protein signaling 2 (RGS2) in binding to the 5' UTR of PD-L1, resulting in reduced PD-L1 translation. HITT expression enhanced T cell-mediated cytotoxicity both in vitro and in vivo in a PD-L1-dependent manner. The clinical correlation between HITT/PD-L1 and RGS2/PD-L1 expression was also detected in breast cancer tissues. Together, these findings demonstrate the role of HITT in antitumor T cell immunity, highlighting activation of HITT as a potential therapeutic strategy for enhancing cancer immunotherapy.
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