Carbonic Anhydrase IX Promotes Human Cervical Cancer Cell Motility by Regulating PFKFB4 Expression

Carbonic anhydrase IX (CAIX) is a hypoxia-induced protein that is highly expressed in numerous human cancers. However, the molecular mechanisms involved in CAIX and human cervical cancer metastasis remain poorly understood. In this study, CAIX overexpression in SiHa cells increased cell migration an...

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Veröffentlicht in:Cancers 2021-03, Vol.13 (5), p.1174
Hauptverfasser: Hsin, Min-Chieh, Hsieh, Yi-Hsien, Hsiao, Yi-Hsuan, Chen, Pei-Ni, Wang, Po-Hui, Yang, Shun-Fa
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container_start_page 1174
container_title Cancers
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creator Hsin, Min-Chieh
Hsieh, Yi-Hsien
Hsiao, Yi-Hsuan
Chen, Pei-Ni
Wang, Po-Hui
Yang, Shun-Fa
description Carbonic anhydrase IX (CAIX) is a hypoxia-induced protein that is highly expressed in numerous human cancers. However, the molecular mechanisms involved in CAIX and human cervical cancer metastasis remain poorly understood. In this study, CAIX overexpression in SiHa cells increased cell migration and epithelial-to-mesenchymal transition (EMT). Silencing CAIX in the Caski cell line decreased the motility of cells and EMT. Furthermore, the RNA-sequencing analysis identified a target gene, bifunctional 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase (PFKFB4), which is influenced by CAIX overexpression and knockdown. A positive correlation was found between CAIX expression and PFKFB4 levels in the cervical cancer of the TCGA database. Mechanistically, CAIX overexpression activated the phosphorylation of extracellular signal-regulated kinases (ERKs) to induce EMT and promote cell migration. In clinical results, human cervical cancer patients with CAIX /PFKFB4 expression in the late stage had higher rates of lymph node metastasis and the shortest survival time. Our study found that CAIX overexpression increases PFKFB4 expression and EMT, promoting cervical cancer cell migration. CAIX could contribute to cervical cancer cell metastasis and its inhibition could be a cervical cancer treatment strategy.
doi_str_mv 10.3390/cancers13051174
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However, the molecular mechanisms involved in CAIX and human cervical cancer metastasis remain poorly understood. In this study, CAIX overexpression in SiHa cells increased cell migration and epithelial-to-mesenchymal transition (EMT). Silencing CAIX in the Caski cell line decreased the motility of cells and EMT. Furthermore, the RNA-sequencing analysis identified a target gene, bifunctional 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase (PFKFB4), which is influenced by CAIX overexpression and knockdown. A positive correlation was found between CAIX expression and PFKFB4 levels in the cervical cancer of the TCGA database. Mechanistically, CAIX overexpression activated the phosphorylation of extracellular signal-regulated kinases (ERKs) to induce EMT and promote cell migration. In clinical results, human cervical cancer patients with CAIX /PFKFB4 expression in the late stage had higher rates of lymph node metastasis and the shortest survival time. Our study found that CAIX overexpression increases PFKFB4 expression and EMT, promoting cervical cancer cell migration. CAIX could contribute to cervical cancer cell metastasis and its inhibition could be a cervical cancer treatment strategy.</description><identifier>ISSN: 2072-6694</identifier><identifier>EISSN: 2072-6694</identifier><identifier>DOI: 10.3390/cancers13051174</identifier><identifier>PMID: 33803236</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>6-Phosphofructo-2-kinase ; Antibodies ; Breast cancer ; Cell adhesion &amp; migration ; Cell cycle ; Cell growth ; Cell migration ; Cervical cancer ; Cloning ; Human papillomavirus ; Hypoxia ; Kinases ; Lung cancer ; Lymph nodes ; Mesenchyme ; Metabolism ; Metastases ; Metastasis ; Molecular modelling ; Phosphorylation ; Sequence analysis</subject><ispartof>Cancers, 2021-03, Vol.13 (5), p.1174</ispartof><rights>2021. This work is licensed under http://creativecommons.org/licenses/by/3.0/ (the “License”). 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However, the molecular mechanisms involved in CAIX and human cervical cancer metastasis remain poorly understood. In this study, CAIX overexpression in SiHa cells increased cell migration and epithelial-to-mesenchymal transition (EMT). Silencing CAIX in the Caski cell line decreased the motility of cells and EMT. Furthermore, the RNA-sequencing analysis identified a target gene, bifunctional 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase (PFKFB4), which is influenced by CAIX overexpression and knockdown. A positive correlation was found between CAIX expression and PFKFB4 levels in the cervical cancer of the TCGA database. Mechanistically, CAIX overexpression activated the phosphorylation of extracellular signal-regulated kinases (ERKs) to induce EMT and promote cell migration. In clinical results, human cervical cancer patients with CAIX /PFKFB4 expression in the late stage had higher rates of lymph node metastasis and the shortest survival time. Our study found that CAIX overexpression increases PFKFB4 expression and EMT, promoting cervical cancer cell migration. CAIX could contribute to cervical cancer cell metastasis and its inhibition could be a cervical cancer treatment strategy.</abstract><cop>Switzerland</cop><pub>MDPI AG</pub><pmid>33803236</pmid><doi>10.3390/cancers13051174</doi><orcidid>https://orcid.org/0000-0003-4942-1888</orcidid><orcidid>https://orcid.org/0000-0002-0365-7927</orcidid><oa>free_for_read</oa></addata></record>
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subjects 6-Phosphofructo-2-kinase
Antibodies
Breast cancer
Cell adhesion & migration
Cell cycle
Cell growth
Cell migration
Cervical cancer
Cloning
Human papillomavirus
Hypoxia
Kinases
Lung cancer
Lymph nodes
Mesenchyme
Metabolism
Metastases
Metastasis
Molecular modelling
Phosphorylation
Sequence analysis
title Carbonic Anhydrase IX Promotes Human Cervical Cancer Cell Motility by Regulating PFKFB4 Expression
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