Article (Scientific journals)
LINC01116, a hypoxia-lncRNA marker of pathological lymphangiogenesis and poor prognosis in lung adenocarcinoma.
Gautier-Isola, Marine; Lopes Goncalves, Rafael; Truchi, Marin et al.
2025In Molecular Oncology
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Keywords :
biomarker; hypoxia; long noncoding RNA; lung adenocarcinoma; lymphangiogenesis; Molecular Medicine; Oncology; Genetics; Cancer Research
Abstract :
[en] A hypoxic microenvironment promotes the aggressiveness of lung adenocarcinoma (LUAD) through treatment resistance and generation of new lymphatic vessels (i.e., lymphangiogenesis) favoring metastatic dissemination. Transcriptomic analysis of cohorts of LUAD patients highlighted LINC01116, a long noncoding RNA, associated with a bad prognosis, a high rate of recurrence, and induced by hypoxia in tumors. Gain- (overexpression) and loss-of-function (CRISPRi (Clustered Regularly Interspaced Short Palindromic Repeats interference, RNA interference)) approaches performed in LUAD cancer cell lines did not reveal a clear regulatory role for LINC01116 in tumor cells. Analyses of LUAD single-cell RNA sequencing data sets and RNA Fluorescent In Situ Hybridization (RNA-FISH) showed high expression of LINC01116 in lymphatic endothelial cells (LEC) pointing to this transcript as a specific biomarker of tumoral lymphangiogenesis. Efficient knockdown of LINC01116 in LEC in normoxic or hypoxic conditions impacted the proliferation rate under hypoxic stimulation and revealed a gene signature associated with proliferation and hypoxia sensing. Together, our data suggest a role for LINC01116 in pathological lymphangiogenesis of lung tumors.
Disciplines :
Life sciences: Multidisciplinary, general & others
Author, co-author :
Gautier-Isola, Marine;  UMR CNRS 7275, INSERM 1323, IPMC, IHU RespirERA Valbonne, Université Côte d'Azur, France
Lopes Goncalves, Rafael;  UMR CNRS 7275, INSERM 1323, IPMC, IHU RespirERA Valbonne, Université Côte d'Azur, France
Truchi, Marin;  UMR CNRS 7275, INSERM 1323, IPMC, IHU RespirERA Valbonne, Université Côte d'Azur, France
Lacoux, Caroline;  UMR CNRS 7275, INSERM 1323, IPMC, IHU RespirERA Valbonne, Université Côte d'Azur, France
Scribe, Célia;  UMR CNRS 7275, INSERM 1323, IPMC, IHU RespirERA Valbonne, Université Côte d'Azur, France
Cadis, Hugo;  UMR CNRS 7275, INSERM 1323, IPMC, IHU RespirERA Valbonne, Université Côte d'Azur, France
Guardini, Laetitia;  UMR CNRS 7275, INSERM 1323, IPMC, IHU RespirERA Valbonne, Université Côte d'Azur, France
Bekisz, Sophie  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Génie biomécanique ; Laboratory of Biology of Tumor and Development, GIGA-Cancer, Liege University, Belgium
Ilié, Marius ;  Laboratory of Clinical and Experimental Pathology and Hospital-Integrated Biobank (BB-0033-00025), CHU Nice, IHU RespirERA, Université Côte d'Azur, France
Hofman, Paul;  Laboratory of Clinical and Experimental Pathology and Hospital-Integrated Biobank (BB-0033-00025), CHU Nice, IHU RespirERA, Université Côte d'Azur, France
Vassaux, Georges;  UMR CNRS 7275, INSERM 1323, IPMC, IHU RespirERA Valbonne, Université Côte d'Azur, France
Mari, Bernard;  UMR CNRS 7275, INSERM 1323, IPMC, IHU RespirERA Valbonne, Université Côte d'Azur, France
Rezzonico, Roger ;  UMR CNRS 7275, INSERM 1323, IPMC, IHU RespirERA Valbonne, Université Côte d'Azur, France
More authors (3 more) Less
Language :
English
Title :
LINC01116, a hypoxia-lncRNA marker of pathological lymphangiogenesis and poor prognosis in lung adenocarcinoma.
Publication date :
09 December 2025
Journal title :
Molecular Oncology
ISSN :
1574-7891
eISSN :
1878-0261
Publisher :
John Wiley and Sons Ltd, United States
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Fondation ARC pour la Recherche sur le Cancer
Funding text :
We sincerely thank Agn\u00E8s No\u00EBl of GIGA Cancer/Uli\u00E8ge for providing frozen primary human LECs for functional studies. We thank the animal care facility, the UCA GenomiX, the CoBioDA bioinformatics hub and the microscopy facility of IPMC, part of the \u00ABMicroscopie Imagerie Cytom\u00E9trie Azur\u00BB GIS IBiSA labeled platform for their technical support. We also thank the staff from the Nice Hospital\u2010Integrated Biobank (BB\u20100033\u201000025). LEC sequencing was performed by the GenomEast platform, a member of the \u2018France Genomique\u2019 consortium (ANR\u201010\u2010INBS\u20100009). We thank A. Monteil and C. Lemmers from the Vectorology facility, PVM, Biocampus Montpellier, CNRS UMS3426. This work was supported by the Centre National de la Recherche Scientifique (CNRS), Institut National de la Sant\u00E9 et de la Recherche M\u00E9dicale (Inserm), Universit\u00E9 C\u00F4te d'Azur, Plan Cancer 2018 \u00ABARN noncodants en canc\u00E9rologie: du fondamental au translationnel\u00BB(number 18CN045), Canc\u00E9rop\u00F4le PACA, Fondation ARC pour la Recherche sur le Cancer (PJA20191209562), the French Government, through the \u2018IHU RespirERA\u2019 France 2030 program (# ANR\u201023\u2010IAHU\u2010007), Institut National Du Cancer (INCa), grant Number PLBIO 2022\u2010075 (FibroMel) and the UCA J.E.D.I. Investments in the Future project with the reference number ANR\u201015\u2010IDEX\u201001. The graphical abstract is created in BioRender. MARI, B. (2025) https://BioRender.com/b0jq8np .
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