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de Vasconcelos PC, Freitas TR, de Araújo Lopes LV, Peixoto LR, Xavier MP, Cançado Figueiredo AC, Dias KL, de Oliveira JG, de Oliveira Salles PG, Vago AR, Paula Sabino AD, de Lima Rocha MG. RAP1-GTPase immunostaining is altered in human precancerous and cancerous cervical lesions. Biomark Med 2024:1-15. [PMID: 39254347 DOI: 10.1080/17520363.2024.2394384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 08/09/2024] [Indexed: 09/11/2024] Open
Abstract
Aim: This study investigated RAP1 immunostaining variation in different cell types during CC progression.Methods: Paraffin-embedded cervical tissues from 101 patients were categorized into control, pre-neoplastic and neoplastic groups. RAP1 immunolocalization, HPV detection and genotyping were performed. A semiquantitative immunoreactive score was employed to compare labeling intensity, cellular localization, nuclear labeling, percentage and distribution of reactive cells.Results: 73% (72/99) of cervical specimens were HPV+. RAP1 was localized in the nucleus and cytoplasm of all samples. Cytoplasmic RAP1 immunoscore was higher than nuclear score in all CC groups. RAP1 intensity increased with lesion severity. SCC samples exhibited predominantly intense RAP1 immunostaining.Conclusion: RAP1 is an efficient biomarker for detecting invasive CC lesions but has limited utility in distinguishing SCC grades.
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Affiliation(s)
- Paula Cristina de Vasconcelos
- Department of Clinical & Toxicological Analysis, College of Pharmacy, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | - Tulio Resende Freitas
- Department of Clinical & Toxicological Analysis, College of Pharmacy, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | | | - Larissa Rodrigues Peixoto
- Department of Morphology, Institute of Biological Sciences, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | - Marcelo Pascoal Xavier
- Department of Pathological Anatomy, College of Medicine - Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 30130-100, Brazil
| | - Anna Carolina Cançado Figueiredo
- Integrated Research Group on Biomarkers, Renée Rachou Research Institute - FIOCRUZ, Belo Horizonte, Minas Gerais, 30190-003, Brazil
| | - Karolina Lopes Dias
- Laboratory of Cellular & Molecular Immunology, Renée Rachou Research Institute - FIOCRUZ, Belo Horizonte, Minas Gerais, 30190-003, Brazil
| | - Jaqueline Germano de Oliveira
- Laboratory of Cellular & Molecular Immunology, Renée Rachou Research Institute - FIOCRUZ, Belo Horizonte, Minas Gerais, 30190-003, Brazil
| | | | - Annamaria Ravaro Vago
- Department of Morphology, Institute of Biological Sciences, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | - Adriano de Paula Sabino
- Department of Clinical & Toxicological Analysis, College of Pharmacy, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | - Maria Gabrielle de Lima Rocha
- Department of Clinical & Toxicological Analysis, College of Pharmacy, Belo Horizonte, Minas Gerais, 31270-901, Brazil
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Zhu X, Li S, Luo J, Ying X, Li Z, Wang Y, Zhang M, Zhang T, Jiang P, Wang X. Subtyping of Human Papillomavirus-Positive Cervical Cancers Based on the Expression Profiles of 50 Genes. Front Immunol 2022; 13:801639. [PMID: 35126391 PMCID: PMC8814347 DOI: 10.3389/fimmu.2022.801639] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 01/05/2022] [Indexed: 12/29/2022] Open
Abstract
Background Human papillomavirus-positive (HPV+) cervical cancers are highly heterogeneous in molecular and clinical features. However, the molecular classification of HPV+ cervical cancers remains insufficiently unexplored. Methods Based on the expression profiles of 50 genes having the largest expression variations across the HPV+ cervical cancers in the TCGA-CESC dataset, we hierarchically clustered HPV+ cervical cancers to identify new subtypes. We further characterized molecular, phenotypic, and clinical features of these subtypes. Results We identified two subtypes of HPV+ cervical cancers, namely HPV+G1 and HPV+G2. We demonstrated that this classification method was reproducible in two validation sets. Compared to HPV+G2, HPV+G1 displayed significantly higher immune infiltration level and stromal content, lower tumor purity, lower stemness scores and intratumor heterogeneity (ITH) scores, higher level of genomic instability, lower DNA methylation level, as well as better disease-free survival prognosis. The multivariate survival analysis suggests that the disease-free survival difference between both subtypes is independent of confounding variables, such as immune signature, stemness, and ITH. Pathway and gene ontology analysis confirmed the more active tumor immune microenvironment in HPV+G1 versus HPV+G2. Conclusions HPV+ cervical cancers can be classified into two subtypes based on the expression profiles of the 50 genes with the largest expression variations across the HPV+ cervical cancers. Both subtypes have significantly different molecular, phenotypic, and clinical features. This new subtyping method captures the comprehensive heterogeneity in molecular and clinical characteristics of HPV+ cervical cancers and provides potential clinical implications for the diagnosis and treatment of this disease.
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Affiliation(s)
- Xiaojun Zhu
- Department of Obstetrics, Women’s Hospital, Medical School of Zhejiang University, Hangzhou, China
| | - Shengwei Li
- Biomedical Informatics Research Lab, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
- Cancer Genomics Research Center, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
- Big Data Research Institute, China Pharmaceutical University, Nanjing, China
| | - Jiangti Luo
- Biomedical Informatics Research Lab, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
- Cancer Genomics Research Center, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
- Big Data Research Institute, China Pharmaceutical University, Nanjing, China
| | - Xia Ying
- Department of Obstetrics, Women’s Hospital, Medical School of Zhejiang University, Hangzhou, China
| | - Zhi Li
- Department of Obstetrics, Women’s Hospital, Medical School of Zhejiang University, Hangzhou, China
| | - Yuanhe Wang
- Department of Obstetrics, Women’s Hospital, Medical School of Zhejiang University, Hangzhou, China
| | - Mengmeng Zhang
- Department of Obstetrics, Women’s Hospital, Medical School of Zhejiang University, Hangzhou, China
| | - Tianfang Zhang
- Department of Rehabilitation Medicine, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Peiyue Jiang
- Department of Obstetrics, Women’s Hospital, Medical School of Zhejiang University, Hangzhou, China
- *Correspondence: Peiyue Jiang, ; Xiaosheng Wang,
| | - Xiaosheng Wang
- Biomedical Informatics Research Lab, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
- Cancer Genomics Research Center, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
- Big Data Research Institute, China Pharmaceutical University, Nanjing, China
- *Correspondence: Peiyue Jiang, ; Xiaosheng Wang,
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Cao XM. Role of miR-337-3p and its target Rap1A in modulating proliferation, invasion, migration and apoptosis of cervical cancer cells. Cancer Biomark 2019; 24:257-267. [PMID: 30883336 DOI: 10.3233/cbm-181225] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
OBJECTIVE To investigate the role of miR-337-3p targeting Rap1A in modulating proliferation, invasion, migration and apoptosis of cervical cancer cells. METHODS The expression levels of miR-337-3p and Rap1A in cervical cancer tissues and normal tissues were evaluated through quantitative Real-time PCR (qRT-PCR) and Western blotting; and correlations of miR-337-3p with clinicopathological characteristics and prognosis of patients were also analyzed. Besides, human cervical cancer cell line HeLa cells were randomly divided into five groups (Mock, NC, miR-337-3p mimic, Rap1A, and miR-337-3p mimic + Rap1A groups). CCK-8 assay was utilized to measure cell proliferation, flow cytometry to evaluate cell apoptosis, and wound-healing and Transwell assays to detect cell migration and invasion. RESULTS Cervical cancer tissues presented a significant decrease in miR-337-3p and a remarkable increase in Rap1A protein. Besides, the expression levels of miR-337-3p and Rap1A were closely related to the major clinicopathological characteristics of cervical cancer; and patients with high-miR-337-3p-expression had the higher 5-year survival rate (all p< 0.05). When compared to Mock group, cells in miR-337-3p mimic group were suppressed in proliferation, migration, and invasion, but significantly promoted in apoptosis; meanwhile, cells in the Rap1A group showed changes in a completely opposite trend (all p< 0.05). Moreover, Rap1A can reverse the effect of miR-337-3p mimic on cell proliferation, invasion, migration and apoptosis (all p< 0.05). CONCLUSION MiR-337-3p was discovered to be decreased in cervical cancer, and miR-337-3p up-regulation may inhibit the proliferation, migration and invasion and promote the apoptosis of cervical cancer cells via down-regulating Rap1A.
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