2012
Some Novel Insights on HPV16 Related Cervical Cancer Pathogenesis Based on Analyses of LCR Methylation, Viral Load, E7 and E2/E4 Expressions
Ghosh D, Bhattacharjee B, Sen S, Premi L, Mukhopadhyay I, Chowdhury R, Roy S, Sengupta S. Some Novel Insights on HPV16 Related Cervical Cancer Pathogenesis Based on Analyses of LCR Methylation, Viral Load, E7 and E2/E4 Expressions. PLOS ONE 2012, 7: e44678. PMID: 22970286, PMCID: PMC3435323, DOI: 10.1371/journal.pone.0044678.Peer-Reviewed Original ResearchConceptsLong control regionViral loadViral genomeReplication originsCaCx casesEpisomal HPV16 genomesLack of methylationE7 mRNA expressionHuman papillomavirus 16Binding site IGene copy numberCervical cancer pathogenesisRepressor proteinBisulphite sequencingControl regionHPV16 genomeCervical carcinogenesisHost genesGenomeCervical cancerCopy numberViral transcriptionHPV16Cancer pathogenesisOncogene E7
2010
Association of viral load with HPV16 positive cervical cancer pathogenesis: Causal relevance in isolates harboring intact viral E2 gene
Das D, Bhattacharjee B, Sen S, Mukhopadhyay I, Sengupta S. Association of viral load with HPV16 positive cervical cancer pathogenesis: Causal relevance in isolates harboring intact viral E2 gene. Virology 2010, 402: 197-202. PMID: 20394955, DOI: 10.1016/j.virol.2010.03.030.Peer-Reviewed Original ResearchConceptsViral loadE2 statusAssociation of viral loadMedian viral loadViral loads compared to controlsAge of subjectsCervical cancer pathogenesisViral E2 geneCompared to controlsCervical cancerLogistic regression modelsCancer pathogenesisTaqMan assayLower ageCaCxHPV16E2 genePathogenesisAgeIntact E2Regression modelsStatusGenomic DNAAssociationCancer
2006
CpG methylation of HPV 16 LCR at E2 binding site proximal to P97 is associated with cervical cancer in presence of intact E2
Bhattacharjee B, Sengupta S. CpG methylation of HPV 16 LCR at E2 binding site proximal to P97 is associated with cervical cancer in presence of intact E2. Virology 2006, 354: 280-285. PMID: 16905170, DOI: 10.1016/j.virol.2006.06.018.Peer-Reviewed Original ResearchConceptsLong control regionE2 binding sitesP97 promoterCervical cancerNormal controlsAssociated with cervical cancerCytologically normal controlsIntact E2 geneHuman papillomavirus type 16Binding sitesMspI restriction digestionRegulate transcriptionRepressor activityHPV-16CaCx samplesCpG methylationControl regionIntact E2Restriction digestionE7 genesType 16E2 geneCaCxMalignant samplesSite methylation
2005
HPV16 E2 gene disruption and polymorphisms of E2 and LCR: Some significant associations with cervical cancer in Indian women
Bhattacharjee B, Sengupta S. HPV16 E2 gene disruption and polymorphisms of E2 and LCR: Some significant associations with cervical cancer in Indian women. Gynecologic Oncology 2005, 100: 372-378. PMID: 16246404, DOI: 10.1016/j.ygyno.2005.09.016.Peer-Reviewed Original ResearchConceptsE2 disruptionE2 geneE2 gene disruptionIntact E2 geneIndian womenBi-directional sequencingAsian-American variantsNucleotide sequence alterationsDNA-binding regionHPV16 E2 geneCaCx developmentHPV16 isolatesCompared to controlsChi-square testCaCx casesFisher's exactCervical cancerViral factorsHPV16Nucleotide variationsE subgroupGene disruptionSequence alterationsPCR amplificationNucleotide