ArticleInternational journal of medical sciences2022
Expression Landscape and Functional Roles of HOXA4 and HOXA5 in Lung Adenocarcinoma.
Article in International journal of medical sciences, 2022. 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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5 citing papers in PubMed, 9 citations in OpenAlex.
- Transcription factor HOXA4 promotes HBV replication and hepatocellular carcinoma proliferation by activating KIF11 transcription.In vitro cellular & developmental biology. Animal · 2026Article
- Toward a cell-type-specific lung HOX code.Frontiers in cell and developmental biology · 2026Article
- A pan-cancer analysis of homeobox family: expression characteristics and latent significance in prognosis and immune microenvironment.Frontiers in oncology · 2025Article
- HOXA5-mediated spatial remodeling of tumor-immune interfaces across cancers promotes AML pathogenesis.Frontiers in immunology · 2025Article
- Role of HOXA1-4 in the development of genetic and malignant diseases.Biomarker research · 2024Review
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Authors and funding
13 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundThe role of HOXA family genes in the occurrence and progression of a variety of human cancers has been scatteredly reported. However, there is no systematic study on the differential expression, prognostic significance and potential molecular mechanism of HOXA4 and HOXA5 in LUAD.
methodsIn-house immunohistochemistry (IHC), multi-center microarrays, RT-qPCR and RNA-seq data were incorporated for comprehensively evaluating the expression and prognostic value of HOXA4 and HOXA5 in LUAD. The mechanism of HOXA4 and HOXA5 in the formation and development of LUAD was analyzed from multiple aspects of immune correlations, upstream transcriptional regulation, functional states of single cells and co-expressed gene network. The functional roles of HOXA4 and HOXA5 in LUAD were validated by
resultsAs a result, in 3201 LUAD samples and 2494 non-cancer lung samples, HOXA4 and HOXA5 were significantly downexpressed (P < 0.05). The aberrant expression of HOXA5 was significantly correlated with the clinical progression of LUAD (P < 0.05). HOXA5 showed remarkable prognostic value for LUAD patients (P < 0.05). The expression of HOXA4 and HOXA5 in LUAD were negatively correlated with tumor purity and positively correlated with the infiltration of various immune cells such as B cells, T cells and macrophages. HOXA4 and HOXA5 overexpression had notable inhibitory effect on the proliferation, migration and invasion of LUAD cells.
conclusionsIn conclusion, the identified downexpressed HOXA4 and HOXA5 had significant distinguishing ability for LUAD samples and affected the cellular functions of LUAD cells. The low expression of HOXA5 indicated worse overall survival of LUAD patients. Therefore, the two HOXA family genes especially HOXA5 may serve as potential biomarkers for LUAD.
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