ArticleBlood advances2023
Telomeric repeat-containing RNA is dysregulated in acute myeloid leukemia.
Article in Blood advances, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 9 citations in OpenAlex.
- Loss of lactate dehydrogenase A disrupts R-loop homeostasis and induces DNA damage in breast cancer cells.Frontiers in genetics · 2026Article
- Atypical R-loops in cancer: decoding molecular chaos for therapeutic gain.Journal of translational medicine · 2025Review
- Review
- RNA binding proteins (RBPs) on genetic stability and diseases.Global medical genetics · 2025Review
- Telomere transcripts act as tumor suppressor and are associated with favorable prognosis in colorectal cancer with low proliferating cell nuclear antigen expression.Cellular oncology (Dordrecht, Netherlands) · 2025Article
- Molecular impact of mutations in RNA splicing factors in cancer.Molecular cell · 2024Review
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Authors and funding
20 authors at 5 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
TERRA (telomeric repeat-containing RNA) is a class of long noncoding RNAs transcribed from subtelomeric and telomeric regions. TERRA binds to the subtelomeric and telomeric DNA-forming R-loops (DNA-RNA hybrids), which are involved in telomere maintenance and telomerase function, but the role of TERRA in human cells is not well characterized. Here, we comprehensively investigated for the first time TERRA expression in primary human hematopoietic cells from an exploratory cohort of patients with acute myeloid leukemia (AML), patients with acute lymphoblastic leukemia (ALL), patients with telomere biology disorder (TBD), and healthy subjects. TERRA expression was repressed in primary human hematopoietic cells, including healthy donors, patients with ALL, and patients with TBD, irrespective of their telomere length, except for AML. A second cohort comprising 88 patients with AML showed that TERRA was overexpressed in an AML subgroup also characterized by higher R-loop formation, low TERT and RNAseH2 expression, and a paucity of somatic splicing factor mutations. Telomere length did not correlate with TERRA expression levels. To assess the role of TERRA R-loops in AML, we induced R-loop depletion by increasing RNAseH1 expression in 2 AML cell lines. Decreased TERRA R-loops in AML cell lines resulted in increased chemosensitivity to cytarabine. Our findings indicate that TERRA is uniformly repressed in primary human hematopoietic cells but abnormally expressed in an AML subset with low telomerase.
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