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  • CANCER  (6)
  • ACTINIC KERATOSES  (2)
  • 1
    Keywords: CANCER ; tumor ; BLOOD ; carcinoma ; CELL ; human ; DIAGNOSIS ; COHORT ; EPIDEMIOLOGY ; RISK ; TIME ; INFECTION ; ANTIGEN ; antibodies ; antibody ; virus ; NO ; DIFFERENCE ; PLASMA ; COMPONENT ; VIRUS-LIKE PARTICLES ; HPV ; case-control studies ; squamous cell carcinoma ; INDIVIDUALS ; L1 ; INFECTIONS ; PREVALENCE ; European Prospective Investigation into Cancer and Nutrition ; nutrition ; SKIN-CANCER ; glutathione-S-transferase ; CELL CARCINOMA ; ONCOLOGY ; case control study ; case-control study ; PATTERN ; EPIDERMODYSPLASIA-VERRUCIFORMIS ; prospective studies ; case control studies ; ACTINIC KERATOSES ; USA ; prospective ; prospective study ; UNIT ; SQUAMOUS-CELL ; serology ; HUMAN PAPILLOMAVIRUSES ; SEROPREVALENCE ; case control ; cutaneous squamous cell carcinoma (SCC) ; HPV types ; human papillomavirus (HPV) ; ORGAN-TRANSPLANTATION ; prospective case-control
    Abstract: In a prospective pilot study nested in the EPIC-Oxford cohort, we examined the seroprevalence of antibodies against the L1 antigen of 38 human papilloma virus (HPV) types among 39 cases of cutaneous squamous cell carcinoma (SCC) for whom plasma was collected prior to diagnosis (incident) and 80 controls. Fifteen cases having already developed SCC at blood collection (prevalent) were also tested. There were no statistically significant differences in the seroprevalence of antibodies against any of the HPV types examined between incident cases and controls, nor was there a difference in the seroprevalence of multiple infections. However, consistent with results from published case-control studies, the seroprevalence of many beta-HPV types was higher among prevalent cases than among either incident cases or controls. For example the seroprevalence of antibodies against HPV-8 was 20% (16/80) in controls, 23% (9/39) among incident cases and 40% (6115) among prevalent cases. Among the incident cases only, the seroprevalence was 16% (5/32) among those for whom blood was collected 18+ months prior to diagnosis, but 57% (4/7) among those for whom diagnosis was within 18 months of blood collection, a pattern seen for many of the HPV types. This might suggest that if HPV is involved in the aetiology of SCC, the process occurs close to the time of diagnosis, or that the antibody response observed in people with SCC is a consequence of tumor formation. Further and larger prospective studies are needed to clarify the role of HPV in the aetiology of cutaneous SCC. (C) 2007 Wiley-Liss, Inc
    Type of Publication: Journal article published
    PubMed ID: 17565742
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  • 2
    Keywords: CANCER ; EXPRESSION ; RISK ; MARKERS ; SERUM-LEVELS ; NON-HODGKIN-LYMPHOMA ; B-CELL LYMPHOCYTOSIS ; IMMUNE ACTIVATION ; SCD23 ; MBL
    Abstract: BACKGROUND: Chronic lymphocytic leukemia (CLL) is a chronic disease that often progresses slowly from a precursor stage, monoclonal B-cell lymphocytosis (MBL), and that can remain undiagnosed for a long time. METHODS: Within the European Prospective Investigation into Cancer cohort, we measured prediagnostic plasma sCD23 for 179 individuals who eventually were diagnosed with CLL and an equal number of matched control subjects who remained free of cancer. RESULTS: In a very large proportion of CLL patients' plasma sCD23 was clearly elevated 7 or more years before diagnosis. Considering sCD23 as a disease predictor, the area under the ROC curve (AUROC) was 0.95 [95% confidence interval (CI), 0.90-1.00] for CLL diagnosed within 0.1 to 2.7 years after blood measurement, 0.90 (95% CI, 0.86-0.95) for diagnosis within 2.8 to 7.3 years, and 0.76 (95% CI, 0.65-0.86) for CLL diagnosed between 7.4 and 12.5 years. Even at a 7.4-year and longer time interval, elevated plasma sCD23 could predict a later clinical diagnosis of CLL with 100% specificity at 〉45% sensitivity. CONCLUSIONS: Our findings provide unique documentation for the very long latency times during which measurable B-cell lymphoproliferative disorder exists before the clinical manifestation of CLL. IMPACT: Our findings have relevance for the interpretation of prospective epidemiologic studies on the causes of CLL in terms of reverse causation bias. The lag times indicate a time frame within which an early detection of CLL would be theoretically possible. Cancer Epidemiol Biomarkers Prev; 24(3); 538-45. (c)2014 AACR.
    Type of Publication: Journal article published
    PubMed ID: 25542829
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  • 3
    Keywords: CANCER ; carcinoma ; CELL ; human ; COMMON ; COHORT ; EPIDEMIOLOGY ; HISTORY ; POPULATION ; RISK ; PROTEINS ; TIME ; DNA ; INFECTION ; RISK-FACTORS ; ANTIGEN ; SKIN ; papillomavirus ; ASSOCIATION ; SUSCEPTIBILITY ; antibodies ; antibody ; AGE ; WOMEN ; MEN ; RISK FACTOR ; human papillomavirus ; VIRUS-LIKE PARTICLES ; HPV ; HUMAN-PAPILLOMAVIRUS ; POPULATIONS ; case-control studies ; squamous cell carcinoma ; L1 ; PREVALENCE ; glutathione-S-transferase ; SERUM ; CELL CARCINOMA ; case control study ; case-control study ; RECIPIENTS ; HPV 16 ; TECHNOLOGY ; ACTINIC KERATOSES ; NONMELANOMA SKIN-CANCER ; HISTOLOGY ; USA ; UNIT ; RISK-FACTOR ; SQUAMOUS-CELL ; IMMUNOCOMPETENT INDIVIDUALS ; serology ; SEROPREVALENCE ; cutaneous squamous cell carcinoma (SCC) ; HPV types ; human papillomavirus (HPV) ; Genital warts ; CONFIDENCE ; organ transplant recipients ; SCC
    Abstract: A case-control study was conducted in 140 people with histology proven cutaneous squamous cell carcinoma (SCC) and 454 controls, nested within 2 cohorts of organ transplant recipients (OTR) recruited in London and Oxford between 2002 and 2006. All participants had a skin examination, completed a questionnaire and had serum tested for antibodies against the L1 antigen of 34 HPV types using Luminex technology. SCC was more common in men than women (odds ratio [OR] = 1.7, 95% confidence interval [CI]: 1.1-2.8, p = 0.02) and in people with susceptibility to burn easily (OR = 3.0, 95%CI: 1.9-4.8; p 〈 0.001). The risk increased with increasing age (p-trend 〈 0.001), increasing time since transplant (p-trend 〈 0.001), increasing self-reported number of sunburns as a child (p(trend) 〈 0.001) and with the presence of viral warts (p 〈 0.001). As expected, antibodies against HPV 16 were associated with a self-reported history of an abnormal cervical smear among women (OR 5.1, 95%CI: 2.6-10.2) and antibodies against HPV 6 were associated with a self-reported history of genital warts (OR 4.0, 95%CI: 2.2-7.2). However, no clear associations between any of the HPV types examined (including cutaneous betaHPVs) and SCC were identified. For example, the seroprevalence of HPV 5 was 15% among cases and 9% among controls (p = 0.09) and the seroprevalence of HPV 8 was 23% among cases and 21% among controls (p = 0.6). Nor was seropositivity to multiple types associated with SCC. These serological data do not provide evidence for a role for HPV in the aetiology of cutaneous SCC among OTR in two UK-based populations. (C) 2009 UICC
    Type of Publication: Journal article published
    PubMed ID: 19588489
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  • 4
    Keywords: CANCER ; EXPRESSION ; tumor ; MODEL ; PATHWAY ; PATHWAYS ; EPIDEMIOLOGY ; RISK ; GENE ; PROTEIN ; ASSOCIATION ; polymorphism ; VARIANTS ; antibodies ; LYMPHOMA ; METHYLATION ; MATRIX METALLOPROTEINASES ; chronic lymphocytic leukemia ; interaction ; EBV ; Epstein Barr virus ; P73 GENE
    Abstract: Using EpiLymph case-control data, we found that chronic lymphocytic leukemia patients were more likely to have abnormal reactive serological patterns to Epstein Barr virus than controls. Here, we aimed to assess whether this association is modified by genetic variants. We examined 1,305 Single Nucleotide Polymorphisms from 300 selected genes related to various pathways in 240 cases and 513 controls from five European centers. In a recessive model, patients positive to aberrant antibody pattern and homozygous for rare genotypes in rs8113877T 〉 G or rs17576A 〉 G of the MMP9 gene were at highest risk of chronic lymphocytic leukemia. In a dominant model, TP73 showed the highest risk in patients positive to aberrant antibody pattern and homozygous for the wild-type genotype in rs1885859G 〉 C or rs3765701A 〉 T. All interactions were additive and no main effect was observed. The strong interactions observed may be indicative of a specific pathway in cancer genesis. Confirmation of these results is warranted
    Type of Publication: Journal article published
    PubMed ID: 21048031
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  • 5
    Keywords: CANCER ; CELLS ; DISEASE ; EPIDEMIOLOGY ; RISK ; INFECTION ; ASSOCIATION ; LYMPHOMA ; EPSTEIN-BARR-VIRUS ; serology ; BLOOD-DONORS ; human herpes virus 8 ; HUMAN-HERPESVIRUS-8 SEROPREVALENCE ; Kaposi's sarcoma-associated herpes virus
    Abstract: BACKGROUND: Kaposi's sarcoma-associated herpes virus is associated with primary effusion lymphoma and multicentric Castleman's disease. METHODS: Seropositivity to lytic and latent Kaposi's sarcoma herpes virus (KSHV) antigens were examined in 2083 lymphomas and 2013 controls from six European countries. RESULTS: Antibodies against KSHV latent and lytic antigens were detectable in 4.5% and 3.4% of controls, respectively, and 3.6% of cases (P〉0.05). The KSHV seropositivity was associated with splenic marginal zone lymphoma (SMZL) (odds ratio (OR)=4.11, 95% confidence interval (CI)=1.57-10.83) and multiple myeloma (OR=0.31, 95% CI=0.11-0.85). CONCLUSION: The KSHV is unlikely to contribute importantly to lymphomagenesis among immunocompetent subjects. However, the observed association with SMZL may underline a chronic antigen mechanism in its aetiology.
    Type of Publication: Journal article published
    PubMed ID: 21952625
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  • 6
    Keywords: CANCER ; POPULATION ; RISK ; INFECTION ; RISK-FACTORS ; SKIN ; ASSOCIATION ; antibody ; MALIGNANCIES ; AGE ; risk factors ; skin cancer ; RISK FACTOR ; HUMAN-PAPILLOMAVIRUS DNA ; SQUAMOUS-CELL CARCINOMA ; PREVALENCE ; human papilloma virus ; SUNLIGHT ; glutathione-S-transferase ; HPV INFECTION ; IMMUNOCOMPETENT INDIVIDUALS ; GROWTH-FACTOR RECEPTORS ; KERATOSES ; renal transplant recipients ; seborrhoeic warts
    Abstract: Background Renal transplant recipients (RTR) have a well recognized increased risk of cutaneous malignancy. A clinical observation that RTR with skin cancer often had multiple seborrhoeic warts prompted an investigation in RTR into the relationship between seborrhoeic warts and skin cancer and an exploration into potential risk factors for seborrhoeic warts in this population, including infection with human papillomavirus (HPV). Methods This was a case control study involving 308 RTR. Clinical examinations identified seborrhoeic warts. Histological records reviewed to look for evidence of prior cutaneous malignancy. Seroprevalence of antibodies to 34 different HPV types tested using multiplex serology. Odds ratios (OR) calculated using unconditional logistic regression analysis to look for associations between skin cancer, HPV infection and seborrhoeic warts, controlling for potential confounding factors of gender, age and time since transplantation. Results Seborrhoeic warts were associated with non-melanoma skin cancer [OR = 3.7; 95% confidence intervals (CI) ranging from 1.6-8.9; P = 0.002] when confounding factors of gender, age and time since transplantation were controlled for. There was also an association between seborrhoeic warts and viral warts (OR = 3.0, CI: 1.6-5.4; P 〈 0.0001), but no association between seborrhoeic warts and infection with single or multiple HPV types. Conclusions Seborrhoeic warts are associated with cutaneous malignancy, but not with any of the HPV types tested. The reasons for this association are unclear. RTR with multiple seborrhoeic warts may require more regular cutaneous examination to monitor for early signs of skin cancer
    Type of Publication: Journal article published
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