ArticleFrontiers of medicine2023
A systematic survey of LU domain-containing proteins reveals a novel human gene, LY6A, which encodes the candidate ortholog of mouse Ly-6A/Sca-1 and is aberrantly expressed in pituitary tumors.
Article in Frontiers of medicine, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 11 citations in OpenAlex.
- The Oncogenic Role of Prostate Stem Cell Antigen (PSCA) in Colorectal Cancer: Implications for Targeted Therapy.Current issues in molecular biology · 2026Article
- Single-Cell Analysis Identifies LYPD6B as a Tumor-Intrinsic Candidate Associated With Immunotherapy Nonresponse in Breast Cancer.Thoracic cancer · 2026Article
- Cell phenotypic conversion and fate change during the host defense response, tissue injury and repair.Pharmacology & therapeutics · 2026Review
- Hypertensive BPH/2J mice exhibit sex-specific heart failure progression and late-life microvascular rarefaction.American journal of physiology. Heart and circulatory physiology · 2025Article
- Fusobacterium nucleatum promotes colorectal cancer through neogenesis of tumor stem cells.The Journal of clinical investigation · 2025Article
- Catalytic activity of Setd2 is essential for embryonic development in mice: establishment of a mouse model harboring patient-derived Setd2 mutation.Frontiers of medicine · 2024Article
- The bone marrow endothelial progenitor cell response to septic infection.Frontiers in immunology · 2024Article
- Aspartate β-hydroxylase Regulates Expression ofJournal of Cancer · 2024Article
- Silencing LY6D Expression Inhibits Colon Cancer in Xenograft Mice and Regulates Colon Cancer Stem Cells' Proliferation, Stemness, Invasion, and Apoptosis via the MAPK Pathway.Molecules (Basel, Switzerland) · 2023Article
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Authors and funding
16 authors at 6 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The Ly-6 and uPAR (LU) domain-containing proteins represent a large family of cell-surface markers. In particular, mouse Ly-6A/Sca-1 is a widely used marker for various stem cells; however, its human ortholog is missing. In this study, based on a systematic survey and comparative genomic study of mouse and human LU domain-containing proteins, we identified a previously unannotated human gene encoding the candidate ortholog of mouse Ly-6A/Sca-1. This gene, hereby named LY6A, reversely overlaps with a lncRNA gene in the majority of exonic sequences. We found that LY6A is aberrantly expressed in pituitary tumors, but not in normal pituitary tissues, and may contribute to tumorigenesis. Similar to mouse Ly-6A/Sca-1, human LY6A is also upregulated by interferon, suggesting a conserved transcriptional regulatory mechanism between humans and mice. We cloned the full-length LY6A cDNA, whose encoded protein sequence, domain architecture, and exon-intron structures are all well conserved with mouse Ly-6A/Sca-1. Ectopic expression of the LY6A protein in cells demonstrates that it acts the same as mouse Ly-6A/Sca-1 in their processing and glycosylphosphatidylinositol anchoring to the cell membrane. Collectively, these studies unveil a novel human gene encoding a candidate biomarker and provide an interesting model gene for studying gene regulatory and evolutionary mechanisms.
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