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Shah UJ, Nasiruddin M, Dar SA, Khan MKA, Akhter MR, Singh N, Rabaan AA, Haque S. Emerging biomarkers and clinical significance of HPV genotyping in prevention and management of cervical cancer. Microb Pathog 2020; 143:104131. [PMID: 32169490 DOI: 10.1016/j.micpath.2020.104131] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 02/10/2020] [Accepted: 03/06/2020] [Indexed: 12/15/2022]
Abstract
Cervical cancer is a growing and serious problem world-wide in women, but more acute in developing countries especially in Indian subcontinent. The main causative agent for the disease is Human Papilloma Virus (HPV). The history of the cervical cancer goes back to eighteenth century as the HPV infection is reported since 1800s. Presently, the genetic structure of HPV is well defined. Several screening tests including cytology and visual based screening and high risk HPV testing are available. Also available are various clinical and commercial diagnostic tests. However due to the lack of awareness and population-based screening programs, the morbidity and mortality rate is alarmingly high. There are new emerging biomarkers including E6/E7 mRNA, p16ink4a, markers of aberrant S-phase induction, chromosomal abnormalities and miRNAs along with advanced genotyping methods. These markers have clinical significance and are helpful in disease prevention and management. Further, recent advancement in the field of metagenomics has increased the prospects of identifying newer microbes, viruses hitherto reported thus far in the context of HPV infection. Analysis of HPV cases using modern tools including genotyping using more powerful biomarkers is envisaged to enhance the prospects of early diagnosis, better prognosis, more reliable treatment and eventual management of the disease.
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Affiliation(s)
- Ushma Jaykamal Shah
- MedGenome Labs Ltd., Kailash Cancer Hospital and Research Center, Muni Seva Ashram, P.O. Goraj, Tal. Waghodia, Dist. Vadodara, 391760, Gujarat, India
| | - Mohammad Nasiruddin
- Anand Diagnostic Laboratory (A Neuberg Associate), Neuberg Anand Reference Laboratory, Anand Tower, 54, Bowring Hospital Road, Shivajinagar, Bangalore - 560001, India.
| | - Sajad Ahmad Dar
- Research and Scientific Studies Unit, College of Nursing and Allied Health Sciences, Jazan University, Jazan, 45142, Saudi Arabia
| | - Md Khurshid Alam Khan
- School of Life Sciences, BS Abdur Rahman Crescent Institute of Science and Technology, Chennai, 600048, Tamil Nadu, India
| | - Mohammad Riyaz Akhter
- MedGenome Labs Ltd., 3rd Floor, Narayana Nethralaya Building, Narayana Health City, # 258/A, Bommasandra, Hosur Road, Bangalore, 560099, Karnataka, India
| | - Nidhi Singh
- Department of Obstetrics and Gynecology, Prasad Institute of Medical Sciences, Lucknow, 226401, Uttar Pradesh, India
| | - Ali A Rabaan
- Molecular Diagnostic Laboratory, Johns Hopkins Aramco Healthcare, Saudi Aramco, Dhahran, 31311, Saudi Arabia
| | - Shafiul Haque
- Research and Scientific Studies Unit, College of Nursing and Allied Health Sciences, Jazan University, Jazan, 45142, Saudi Arabia.
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Lin M, Ye M, Zhou J, Wang ZP, Zhu X. Recent Advances on the Molecular Mechanism of Cervical Carcinogenesis Based on Systems Biology Technologies. Comput Struct Biotechnol J 2019; 17:241-250. [PMID: 30847042 PMCID: PMC6389684 DOI: 10.1016/j.csbj.2019.02.001] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 01/29/2019] [Accepted: 02/01/2019] [Indexed: 02/06/2023] Open
Abstract
Cervical cancer is one of the common malignancies in women worldwide. Exploration of pathogenesis and molecular mechanism of cervical cancer is pivotal for development of effective treatment for this disease. Recently, systems biology approaches based on high-throughput technologies have been carried out to investigate the expression of some genes and proteins in genomics, transcriptomics, proteomics, and metabonomics of cervical cancer. Compared with traditional methods,systems biology technology has been shown to provide large of information regarding prognostic biomarkers and therapeutic targets for cervical cancer. These molecular signatures from system biology technology could be useful to understand the molecular mechanisms of cervical cancer development and progression, and help physicians to design targeted therapeutic strategies for patients with cervical cancer.
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Affiliation(s)
- Min Lin
- Departmant of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Miaomiao Ye
- Departmant of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Junhan Zhou
- Departmant of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Z Peter Wang
- Center of Scientific Research, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China.,Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Xueqiong Zhu
- Departmant of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
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3
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Jung Y, Zhang H, Hu J. Transformed low-rank ANOVA models for high-dimensional variable selection. Stat Methods Med Res 2018; 28:1230-1246. [DOI: 10.1177/0962280217753726] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
High-dimensional data are often encountered in biomedical, environmental, and other studies. For example, in biomedical studies that involve high-throughput omic data, an important problem is to search for genetic variables that are predictive of a particular phenotype. A conventional solution is to characterize such relationships through regression models in which a phenotype is treated as the response variable and the variables are treated as covariates; this approach becomes particularly challenging when the number of variables exceeds the number of samples. We propose a general framework for expressing the transformed mean of high-dimensional variables in an exponential distribution family via ANOVA models in which a low-rank interaction space captures the association between the phenotype and the variables. This alternative method transforms the variable selection problem into a well-posed problem with the number of observations larger than the number of variables. In addition, we propose a model selection criterion for the new model framework with a diverging number of parameters, and establish the consistency of the selection criterion. We demonstrate the appealing performance of the proposed method in terms of prediction and detection accuracy through simulations and real data analyses.
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Affiliation(s)
- Yoonsuh Jung
- Department of Statistics, Korea University, Seoul, South Korea
| | - Hong Zhang
- Institute of Biostatistics, Fudan University, Shanghai, People’s Republic of China
| | - Jianhua Hu
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
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Ran GTPase in nuclear envelope formation and cancer metastasis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2014; 773:323-51. [PMID: 24563355 DOI: 10.1007/978-1-4899-8032-8_15] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Ran is a small ras-related GTPase that controls the nucleocytoplasmic exchange of macromolecules across the nuclear envelope. It binds to chromatin early during nuclear formation and has important roles during the eukaryotic cell cycle, where it regulates mitotic spindle assembly, nuclear envelope formation and cell cycle checkpoint control. Like other GTPases, Ran relies on the cycling between GTP-bound and GDP-bound conformations to interact with effector proteins and regulate these processes. In nucleocytoplasmic transport, Ran shuttles across the nuclear envelope through nuclear pores. It is concentrated in the nucleus by an active import mechanism where it generates a high concentration of RanGTP by nucleotide exchange. It controls the assembly and disassembly of a range of complexes that are formed between Ran-binding proteins and cellular cargo to maintain rapid nuclear transport. Ran also has been identified as an essential protein in nuclear envelope formation in eukaryotes. This mechanism is dependent on importin-β, which regulates the assembly of further complexes important in this process, such as Nup107-Nup160. A strong body of evidence is emerging implicating Ran as a key protein in the metastatic progression of cancer. Ran is overexpressed in a range of tumors, such as breast and renal, and these perturbed levels are associated with local invasion, metastasis and reduced patient survival. Furthermore, tumors with oncogenic KRAS or PIK3CA mutations are addicted to Ran expression, which yields exciting future therapeutic opportunities.
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Oh EK, Kim YW, Kim IW, Liu HB, Lee KH, Chun HJ, Park DC, Oh EJ, Lee AW, Bae SM, Ahn WS. Differential DNA copy number aberrations in the progression of cervical lesions to invasive cervical carcinoma. Int J Oncol 2012; 41:2038-46. [PMID: 23023522 DOI: 10.3892/ijo.2012.1644] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2012] [Accepted: 06/21/2012] [Indexed: 11/06/2022] Open
Abstract
Host genomic alterations in addition to human papillomavirus (HPV) are needed for cervical precursor lesions to progress to invasive cancer because only a small percentage of women infected by the virus develop disease. However, the genomic alterations during the progression of cervical lesions have not been systematically examined. The aim of this study was to identify differential genomic alterations among cervical intraepithelial neoplasia CIN1, CIN2, CIN3 and cervical squamous cell carcinoma (SCC). Genomic alterations were examined for 15 cases each of CIN1, CIN2, CIN3 and SCC by array-based comparative genomic hybridization (array CGH). The chromosomal regions showing significant differential in DNA copy number aberrations (DCNAs) among CIN1, CIN2, CIN3 and SCC were successfully identified by resampling-based t-test. The chromosomal regions of 5q35.3 and 2q14.3 showed significant DCNAs between CIN1 and CIN2, and between CIN2 and CIN3, respectively, while a significant difference in DCNAs between CIN3 and SCC was observed at 1q24.3, 3p14.1, 3p14.2, 5q13.2, 7p15.3, 7q22.1 and 13q32.3. In addition, the status of DCNAs in 1q43, 2p11.2, 6p11.2, 7p21.1, 7p14.3, 10q24.1, 13q22.3, 13q34 and 16p13.3 was conserved throughout the progression of CIN to SCC. The presence of differential and common DCNAs among CIN1, CIN2, CIN3 and SCC supports that the CIN progression may include continual clonal selection and evolution. This approach also identified 34 probe sets consistently overexpressed when amplified, suggesting an unbiased identification of candidate genes in SCC during cervical cancer progression.
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Affiliation(s)
- Eun Kyeong Oh
- Department of Obstetrics and Gynecology, The Catholic University of Korea, Seocho-ku, Seoul 137-040, Republic of Korea
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Sahasrabuddhe VV, Luhn P, Wentzensen N. Human papillomavirus and cervical cancer: biomarkers for improved prevention efforts. Future Microbiol 2011; 6:1083-98. [PMID: 21958146 PMCID: PMC3809085 DOI: 10.2217/fmb.11.87] [Citation(s) in RCA: 97] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
While organized screening programs in industrialized countries have significantly reduced cervical cancer incidence, cytology-based screening has several limitations. Equivocal or mildly abnormal Pap tests require costly retesting or diagnostic work-up by colposcopy and biopsy. In low-resource countries, it has been difficult to establish and sustain cytology-based programs. Advances in understanding human papillomavirus biology and the natural history of human papillomavirus-related precancers and cancers have led to the discovery of a range of novel biomarkers in the past decade. In this article, we will discuss the potential role of new biomarkers for primary screening, triage and diagnosis in high-resource countries and their promise for prevention efforts in resource constrained settings.
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Affiliation(s)
- Vikrant V Sahasrabuddhe
- Division of Cancer Epidemiology & Genetics, National Cancer Institute, National Institutes of Health, 6120 Executive Blvd EPS 5024, Rockville MD 20852, USA
| | - Patricia Luhn
- Division of Cancer Epidemiology & Genetics, National Cancer Institute, National Institutes of Health, 6120 Executive Blvd EPS 5024, Rockville MD 20852, USA
| | - Nicolas Wentzensen
- Division of Cancer Epidemiology & Genetics, National Cancer Institute, National Institutes of Health, 6120 Executive Blvd EPS 5024, Rockville MD 20852, USA
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Morcel K, Watrin T, Pasquier L, Rochard L, Le Caignec C, Dubourg C, Loget P, Paniel BJ, Odent S, David V, Pellerin I, Bendavid C, Guerrier D. Utero-vaginal aplasia (Mayer-Rokitansky-Küster-Hauser syndrome) associated with deletions in known DiGeorge or DiGeorge-like loci. Orphanet J Rare Dis 2011; 6:9. [PMID: 21406098 PMCID: PMC3072926 DOI: 10.1186/1750-1172-6-9] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2010] [Accepted: 03/15/2011] [Indexed: 01/15/2023] Open
Abstract
Background Mayer-Rokitansky-Küster-Hauser (MRKH) syndrome is characterized by congenital aplasia of the uterus and the upper part of the vagina in women showing normal development of secondary sexual characteristics and a normal 46, XX karyotype. The uterovaginal aplasia is either isolated (type I) or more frequently associated with other malformations (type II or Müllerian Renal Cervico-thoracic Somite (MURCS) association), some of which belong to the malformation spectrum of DiGeorge phenotype (DGS). Its etiology remains poorly understood. Thus the phenotypic manifestations of MRKH and DGS overlap suggesting a possible genetic link. This would potentially have clinical consequences. Methods We searched DiGeorge critical chromosomal regions for chromosomal anomalies in a cohort of 57 subjects with uterovaginal aplasia (55 women and 2 aborted fetuses). For this candidate locus approach, we used a multiplex ligation-dependent probe amplification (MLPA) assay based on a kit designed for investigation of the chromosomal regions known to be involved in DGS. The deletions detected were validated by Duplex PCR/liquid chromatography (DP/LC) and/or array-CGH analysis. Results We found deletions in four probands within the four chromosomal loci 4q34-qter, 8p23.1, 10p14 and 22q11.2 implicated in almost all cases of DGS syndrome. Conclusion Uterovaginal aplasia appears to be an additional feature of the broad spectrum of the DGS phenotype. The DiGeorge critical chromosomal regions may be candidate loci for a subset of MRKH syndrome (MURCS association) individuals. However, the genes mapping at the sites of these deletions involved in uterovaginal anomalies remain to be determined. These findings have consequences for clinical investigations, the care of patients and their relatives, and genetic counseling.
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Affiliation(s)
- Karine Morcel
- CNRS UMR 6061, Institut de Génétique et Développement de Rennes, IFR 140 GFAS, Faculté de Médecine, 2 avenue du Professeur Léon Bernard CS 34317, 35043 Rennes Cedex, France.
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Narayan G, Murty VV. Integrative genomic approaches in cervical cancer: implications for molecular pathogenesis. Future Oncol 2011; 6:1643-52. [PMID: 21062161 DOI: 10.2217/fon.10.114] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Cervical cancer (CC) as a single diagnostic entity exhibits differences in clinical behavior and poor outcomes in response to therapy in advanced tumors. Although infection of high-risk human papillomavirus is recognized as an important initiating event in cervical tumorigenesis, stratification of CC into subclasses for progression and response to treatment remains elusive. Existing knowledge of genetic, epigenetic and transcriptional alterations is inadequate in addressing the issues of diagnosis, progression and response to treatment. Recent technological advances in high-throughput genomics and the application of integrative approaches have greatly accelerated gene discovery, facilitating the identification of molecular targets. In this article, we discuss the results obtained by preliminary integrative analysis of DNA copy number increases and gene expression, utilizing the two most common copy number-gained regions of 5p and 20q in identifying gene targets in CC. These analyses provide insights into the roles of genes such as RNASEN, POLS and SKP2 on 5p, KIF3B, RALY and E2F1 at 20q11.2 and CSE1L, ZNF313 and B4GALT5 at 20q13.13. Future integrative applications using additional datasets, such as mutations, DNA methylation and clinical outcomes, will raise the promise of accomplishing the identification of biological pathways and molecular targets for therapies for patients with CC.
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Affiliation(s)
- Gopeshwar Narayan
- Department of Pathology & Cell Biology, Institute for Cancer Genetics, Columbia University Medical Center, 1130 St. Nicholas Avenue, New York, NY, USA
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Wilting SM, de Wilde J, Meijer CJLM, Berkhof J, Yi Y, van Wieringen WN, Braakhuis BJM, Meijer GA, Ylstra B, Snijders PJF, Steenbergen RDM. Integrated genomic and transcriptional profiling identifies chromosomal loci with altered gene expression in cervical cancer. Genes Chromosomes Cancer 2008; 47:890-905. [PMID: 18618715 DOI: 10.1002/gcc.20590] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
For a better understanding of the consequences of recurrent chromosomal alterations in cervical carcinomas, we integrated genome-wide chromosomal and transcriptional profiles of 10 squamous cell carcinomas (SCCs), 5 adenocarcinomas (AdCAs) and 6 normal controls. Previous genomic profiling showed that gains at chromosome arms 1q, 3q, and 20q as well as losses at 8q, 10q, 11q, and 13q were common in cervical carcinomas. Altered regions spanned multiple megabases, and the extent to which expression of genes located there is affected remains unclear. Expression analysis of these previously chromosomally profiled carcinomas yielded 83 genes with significantly differential expression between carcinomas and normal epithelium. Application of differential gene locus mapping (DIGMAP) analysis and the array CGH expression integration tool (ACE-it) identified hotspots within large chromosomal alterations in which gene expression was altered as well. Chromosomal gains of the long arms of chromosome 1, 3, and 20 resulted in increased expression of genes located at 1q32.1-32.2, 3q13.32-23, 3q26.32-27.3, and 20q11.21-13.33, whereas a chromosomal loss of 11q22.3-25 was related to decreased expression of genes located in this region. Overexpression of DTX3L, PIK3R4, ATP2C1, and SLC25A36, all located at 3q21.1-23 and identified by DIGMAP, ACE-it or both, was confirmed in an independent validation sample set consisting of 12 SCCs and 13 normal ectocervical samples. In conclusion, integrated chromosomal and transcriptional profiling identified chromosomal hotspots at 1q, 3q, 11q, and 20q with altered gene expression within large commonly altered chromosomal regions in cervical cancer.
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Affiliation(s)
- Saskia M Wilting
- Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands
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Song JY, Lee JK, Lee NW, Jung HH, Kim SH, Lee KW. Microarray analysis of normal cervix, carcinoma in situ, and invasive cervical cancer: identification of candidate genes in pathogenesis of invasion in cervical cancer. Int J Gynecol Cancer 2008; 18:1051-9. [DOI: 10.1111/j.1525-1438.2007.01164.x] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
The objective of this study was to identify genes that are related to pathogenesis of carcinoma in situ (CIS) to invasive cervical cancer with the use of oligonucleotide microarray and reverse transcription-polymerase chain reaction (RT-PCR). Each two cases of normal cervix, CIS, and invasive cervical cancer were investigated with DNA microarray technology. Differential gene expression profiles among them were analyzed. Expression levels of selected genes from the microarray results were confirmed by RT-PCR. The expressions of 15,286 genes were compared and 458 genes were upregulated or downregulated by twofold or more compared with each other group. Among 458 genes, 22 genes were upregulated and 40 genes were downregulated by twofold or more in invasive cervical cancer group compared with CIS group. RT-PCR analysis confirmed upregulation of 18 genes and downregulation of 5 genes in invasive cervical cancer group. RBP1, TFRC, SPP1, SAA1, ARHGAP8, and NDRG1, which were upregulated, and GATA3, PLAGL1, APOD, DUSP1, and CYR61, which were downregulated, were considered as candidate genes associated with invasion of cervical cancer.
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Huang KF, Lee WY, Huang SC, Lin YS, Kang CY, Liou CP, Tzeng CC. Chromosomal gain of 3q and loss of 11q often associated with nodal metastasis in early stage cervical squamous cell carcinoma. J Formos Med Assoc 2008; 106:894-902. [PMID: 18063510 DOI: 10.1016/s0929-6646(08)60059-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND/PURPOSE Cervical cancer remains a health problem among women worldwide. Delineation of genetic changes is critical to understanding the molecular basis of tumor progression, as well as for identifying genetic markers for early identification of patients at high risk for a poor outcome. METHODS To provide comparative genomic hybridization data for cervical squamous cell carcinoma in Taiwan, and to gain further insight into genetic markers associated with lymph node metastasis of this disease, we performed comparative genomic hybridization analysis of 30 consecutive cases of cervical squamous cell carcinoma (24 stage IB and 6 stage IIB). RESULTS The results disclosed that higher staged tumors or those with lymph node metastasis had more chromosomal imbalances. The commonly recurrent chromosomal imbalances were gains of 3q (46.7%), 1q (36.7%) and 8q (20.0%) and losses of 11q (36.7%), 3p (33.3%), 6q (23.3%), and 2q (20.0%). The frequencies of these chromosomal imbalances in stage IB and IIB tumors did not differ significantly. However, when compared with tumors without lymph node metastasis, the loss of 11q14-q22 (5/9 vs. 3/21, p = 0.019) and gains of 3q11-q22 and 3q26-qter (6/9 vs. 5/21, p = 0.026) were significantly more prevalent in tumors with lymph node metastasis. CONCLUSION The results suggest that certain tumor-associated genes residing on 3q and 11q warrant further investigation to elucidate their role in the progression of this disease.
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Affiliation(s)
- Kuo-Feng Huang
- Department of Obstetrics and Gynecology, Chi Mei Medical Center, Tainan, Taiwan
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Zhang Z, Borecki I, Nguyen L, Ma D, Smith K, Huettner PC, Mutch DG, Herzog TJ, Gibb RK, Powell MA, Grigsby PW, Massad LS, Hernandez E, Judson PL, Swisher EM, Crowder S, Li J, Gerhard DS, Rader JS. CD83 gene polymorphisms increase susceptibility to human invasive cervical cancer. Cancer Res 2007; 67:11202-8. [PMID: 18056445 DOI: 10.1158/0008-5472.can-07-2677] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
We previously mapped a nonrandom frequent loss of heterozygosity (LOH) region in cervical cancers to 1 Mb of 6p23. Here, we describe the identification of a novel cervical cancer susceptibility gene, CD83. The gene was identified by several complementary approaches, including a family-based association study, comparison of transcript expression in normal and cancerous tissue, and genomic sequencing of candidate. CD83 encodes an inducible glycoprotein in the immunoglobulin superfamily and is a marker for mature dendritic cells. The association study that includes 377 family trios showed that five single nucleotide polymorphisms (SNP) within 8 kb of its 3'-end showed significant allelic association that was strengthened in a subgroup of women with invasive cancers infected by high-risk human papillomavirus type 16 and 18 (rs9296925, P = 0.0193; rs853360, P = 0.0035; rs9230, P = 0.0011; rs9370729, P = 0.0012; rs750749, P = 0.0133). Investigation of CD83 uncovered three alternative transcripts in cervical tissue and cell lines, with variant 3 (lacking exons 3 and 4) being more frequent in cervical cancer than in normal cervical epithelium (P = 0.0181). Genomic sequencing on 36 paired normal and cervical tumors revealed several somatic mutations and novel SNPs in the promoter, exons, and introns of CD83. LOH was confirmed in >90% of cervical cancer specimens. Immunofluorescence colocalized CD83 protein to the Golgi apparatus and cell membrane of cervical cancer cell lines. None of seven nearby genes was differentially expressed in cervical cancer. The importance of CD83 in epithelial versus dendritic cells needs to be determined, as does its role in promoting cervical cancer.
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MESH Headings
- Adenocarcinoma/genetics
- Adenocarcinoma/pathology
- Adenocarcinoma/virology
- Antigens, CD/genetics
- Carcinoma, Adenosquamous/genetics
- Carcinoma, Adenosquamous/pathology
- Carcinoma, Adenosquamous/virology
- Carcinoma, Squamous Cell/genetics
- Carcinoma, Squamous Cell/pathology
- Carcinoma, Squamous Cell/virology
- Cervix Uteri/metabolism
- Cervix Uteri/pathology
- Chromosomes, Human, Pair 6/genetics
- Exons
- Expressed Sequence Tags
- Female
- Fluorescent Antibody Technique
- Gene Expression Regulation, Neoplastic
- Genetic Predisposition to Disease
- Genotype
- Humans
- Immunoglobulins/genetics
- Loss of Heterozygosity
- Membrane Glycoproteins/genetics
- Neoplasm Invasiveness/pathology
- Papillomaviridae/genetics
- Papillomavirus Infections/genetics
- Papillomavirus Infections/pathology
- Papillomavirus Infections/virology
- Polymerase Chain Reaction
- Polymorphism, Single Nucleotide
- Tumor Cells, Cultured
- Uterine Cervical Neoplasms/genetics
- Uterine Cervical Neoplasms/pathology
- Uterine Cervical Dysplasia/genetics
- Uterine Cervical Dysplasia/pathology
- Uterine Cervical Dysplasia/virology
- CD83 Antigen
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Affiliation(s)
- Zhengyan Zhang
- Department of Obstetrics and Gynecology, Washington University School of Medicine, 660 South Euclid Avenue, Campus Box 8064, St. Louis, MO 63110, USA.
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Zhai Y, Kuick R, Nan B, Ota I, Weiss SJ, Trimble CL, Fearon ER, Cho KR. Gene expression analysis of preinvasive and invasive cervical squamous cell carcinomas identifies HOXC10 as a key mediator of invasion. Cancer Res 2007; 67:10163-72. [PMID: 17974957 DOI: 10.1158/0008-5472.can-07-2056] [Citation(s) in RCA: 184] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
If left untreated, a subset of high-grade squamous intraepithelial lesions (HSIL) of the cervix will progress to invasive squamous cell carcinomas (SCC). To identify genes whose differential expression is linked to cervical cancer progression, we compared gene expression in microdissected squamous epithelial samples from 10 normal cervices, 7 HSILs, and 21 SCCs using high-density oligonucleotide microarrays. We identified 171 distinct genes at least 1.5-fold up-regulated (and P < 0.001) in the SCCs relative to HSILs and normal cervix samples. Differential expression of a subset of these genes was confirmed by quantitative reverse transcription-PCR and immunohistochemical staining of cervical tissue samples. One of the genes up-regulated during progression, HOXC10, was selected for functional studies aimed at assessing its role in mediating invasive behavior of neoplastic squamous epithelial cells. Elevated HOXC10 expression was associated with increased invasiveness of human papillomavirus-immortalized keratinocytes and cervical cancer-derived cell lines in both in vitro and in vivo assays. Cervical cancer cells with high endogenous levels of HOXC10 were less invasive after short hairpin RNA-mediated knockdown of HOXC10 expression. Our findings support a key role for the HOXC10 homeobox protein in cervical cancer progression. Other genes with differential expression in invasive SCC versus HSIL may contribute to tumor progression or may be useful as markers for cancer diagnosis or progression risk.
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Affiliation(s)
- Yali Zhai
- Department of Pathology, The University of Michigan Medical School, Ann Arbor, MI 48109-2200, USA
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14
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Narayan G, Bourdon V, Chaganti S, Arias-Pulido H, Nandula SV, Rao PH, Gissmann L, Dürst M, Schneider A, Pothuri B, Mansukhani M, Basso K, Chaganti RSK, Murty VV. Gene dosage alterations revealed by cDNA microarray analysis in cervical cancer: identification of candidate amplified and overexpressed genes. Genes Chromosomes Cancer 2007; 46:373-84. [PMID: 17243165 DOI: 10.1002/gcc.20418] [Citation(s) in RCA: 150] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Cervical cancer (CC) cells exhibit complex karyotypic alterations, which is consistent with deregulation of numerous critical genes in its formation and progression. To characterize this karyotypic complexity at the molecular level, we used cDNA array comparative genomic hybridization (aCGH) to analyze 29 CC cases and identified a number of over represented and deleted genes. The aCGH analysis revealed at least 17 recurrent amplicons and six common regions of deletions. These regions contain several known tumor-associated genes, such as those involved in transcription, apoptosis, cytoskeletal remodeling, ion-transport, drug metabolism, and immune response. Using the fluorescence in situ hybridization (FISH) approach we demonstrated the presence of high-level amplifications at the 8q24.3, 11q22.2, and 20q13 regions in CC cell lines. To identify amplification-associated genes that correspond to focal amplicons, we examined one or more genes in each of the 17 amplicons by Affymetrix U133A expression arrays and semiquantitative reverse-transcription PCR (RT-PCR) in 31 CC tumors. This analysis exhibited frequent and robust upregulated expression in CC relative to normal cervix for genes EPHB2 (1p36), CDCA8 (1p34.3), AIM2 (1q22-23), RFC4, MUC4, and HRASLS (3q27-29), SKP2 (5p12-13), CENTD3 (5q31.3), PTK2, RECQL4 (8q24), MMP1 and MMP13 (11q22.2), AKT1 (14q32.3), ABCC3 (17q21-22), SMARCA4 (19p13.3) LIG1 (19q13.3), UBE2C (20q13.1), SMC1L1 (Xp11), KIF4A (Xq12), TMSNB (Xq22), and CSAG2 (Xq28). Thus, the gene dosage and expression profiles generated here have enabled the identification of focal amplicons characteristic for the CC genome and facilitated the validation of relevant genes in these amplicons. These data, thus, form an important step toward the identification of biologically relevant genes in CC pathogenesis. This article contains Supplementary Material available at http://www.interscience.wiley.com/jpages/1045-2257/suppmat.
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Affiliation(s)
- Gopeshwar Narayan
- Department of Pathology, Columbia University Medical Center, NY 10032, USA
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15
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Steinau M, Rajeevan MS, Lee DR, Ruffin MT, Horowitz IR, Flowers LC, Tadros T, Birdsong G, Husain M, Kmak DC, Longton GM, Vernon SD, Unger ER. Evaluation of RNA markers for early detection of cervical neoplasia in exfoliated cervical cells. Cancer Epidemiol Biomarkers Prev 2007; 16:295-301. [PMID: 17301262 DOI: 10.1158/1055-9965.epi-06-0540] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Numerous molecular biomarkers have been suggested for early detection of cervical cancer, but their usefulness in routinely collected exfoliated cells remains uncertain. We used quantitative reverse transcription-PCR to evaluate expression of 40 candidate genes as markers for high-grade cervical intraepithelial neoplasia (CIN) in exfoliated cervical cells collected at the time of colposcopy. Samples from the 93 women with CIN3 or cancer were compared with those from 186 women without disease matched (1:2) for age, race, and high-risk human papillomavirus status. Normalized threshold cycles (C(t)) for each gene were analyzed by receiver operating characteristics to determine their diagnostic performance in a split sample validation approach. Six markers were confirmed by an area under the curve >0.6 in both sample sets: claudin 1 (0.75), minichromosome maintenance deficient 5 (0.71) and 7 (0.64), cell division cycle 6 homologue (0.71), antigen identified by monoclonal antibody Ki-67 (0.66), and SHC SH2-domain binding protein 1 (0.61). The sensitivity for individual markers was relatively low and a combination of five genes to a panel resulted in 60% sensitivity with 76% specificity, not positively increasing this performance. Although the results did not indicate superiority of RNA markers for cervical cancer screening, their performance in detecting disease in women referred for colposcopy suggests that the genes and pathways they highlight could be useful in alternative detection formats or in combination with other screening indicators.
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Affiliation(s)
- Martin Steinau
- Division of Viral and Rickettsial Disease, Viral Exanthems and Herpesvirus Branch, Centers for Disease Control and Prevention, 1600 Clifton Road, MS G-41, Atlanta, GA 30333, USA.
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Bendavid C, Pasquier L, Watrin T, Morcel K, Lucas J, Gicquel I, Dubourg C, Henry C, David V, Odent S, Levêque J, Pellerin I, Guerrier D. Phenotypic variability of a 4q34→qter inherited deletion: MRKH syndrome in the daughter, cardiac defect and Fallopian tube cancer in the mother. Eur J Med Genet 2007; 50:66-72. [PMID: 17081814 DOI: 10.1016/j.ejmg.2006.09.003] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2006] [Accepted: 09/20/2006] [Indexed: 01/15/2023]
Abstract
Terminal deletions of the long arm of chromosome 4 are associated with a recognizable phenotype consisting of dysmorphic facial features, cleft palate, upper and lower limb malformations, cardiac defects and growth and mental retardation. Here we report on two female patients, a mother and her daughter, carrying the same 4q34-->qter deletion but presenting with a different phenotype. The mother's presentation is consistent with previous findings in patients with terminal deletions of the long arm of chromosome 4. However, she presented at the age of 54years with bilateral serous carcinoma of the Fallopian tubes, a rare gynaecologic cancer that might be attributed to the haploinsufficiency of the tumor suppressor gene FAT. The daughter presented isolated congenital aplasia of the uterus and vagina, the prime feature of the MRKH syndrome. This has not been described before in association with a 46,XX,del(4)(q34qter).
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Affiliation(s)
- Claude Bendavid
- CNRS UMR 6061, Génétique et Développement, Université de Rennes 1, IFR140 GFAS, Faculté de Médecine, 2, avenue du Profeseur Leon Bernard, Rennes 35043, France
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