D Whiteman

..This study was designed to determine at what stage, in the progression from BE to EAC, methylation of key genes occurs...

..These data support the concept that melanocytic neoplasia commences early in life and that naevus evolution is influenced by the anatomical site of the target cell...

..Melanocytic nevi are strongly associated with cutaneous melanoma, yet little is known about factors influencing nevus development in the first years of life...

..We conclude that spectrophotometric analysis of skin swabs can reliably detect the presence of sunscreen on the skin for up to 2 h after application...

....

..To review the evidence that childhood is a period of particular susceptibility to the carcinogenic effects of solar radiation...

..Not just confined to sunny places, the incidence of melanoma has been rising in all fair-skinned populations around the world. How much is known about the causes of this disease, and can this knowledge be applied to preventive strategies?..

..We estimated the relative risks of various histologic types of ovarian cancers associated with multiple births by using multivariable logistic regression analysis, adjusting for matching and confounding variables...

..We tested this hypothesis in a case-case comparative study of melanoma patients in Queensland, Australia...

..Endometrioid and clear cell ovarian cancers have some shared as well as some distinct risk factors, and therefore should be considered separately in studies of ovarian cancer...

..In summary, MGMT SNPs are associated with increased risks of EAC. Exposure to acid reflux, and possibly smoking, confer markedly higher risks among homozygous variant genotype carriers...

..Formal assessments of the effect of low participation on odds ratios (OR) are seldom presented however. We sought to quantify possible bias using multiple imputation techniques...

..Such a sequence would predict some shared risk factors between the different tumor types. To investigate this, we examined risk factors for benign, borderline and invasive mucinous ovarian tumors...

..For all types of esophageal cancer, time since quitting was independently associated with approximately 15-19% risk reductions per decade...

..These results add to the current evidence that obesity increases a woman's risk of developing distinct histological subtypes of ovarian cancer...

..0 kg/m(2), 25.0-29.9 kg/m(2), >30 kg/m(2)). In conclusion, our data suggest that these SNPs do not play a major role in esophageal carcinogenesis...

..We tested the hypothesis that the phenotypic determinants and patterns of sun exposure that give rise to BCC on the head and trunk vary in a way that explains the anomalous site distribution...

....

..Characteristics of the cases and repeatability of sun exposure and phenotype measures between the baseline and the follow-up surveys, from 6 to 17 years later, are also described...

....

..Our objective was to determine the relationship between dietary glycemic load (GL), glycemic index (GI), carbohydrate intake, and ovarian cancer risk in a population-based case-control study...

..We conclude that melanomas with different histologic characteristics have different risk factor profiles, particularly on the head and neck. These data accord with the hypothesis that melanomas arise through different causal pathways...

..Body composition, gastro-oesophageal reflux disease symptoms, cardiovascular fitness and muscular strength will also be assessed as secondary outcomes...

..We sought to measure the association between H pylori infection and esophageal cancer and identify potential modifiers...

....

..41, 95% CI 0.23-0.74).CONCLUSIONS: We have observed heterogeneity for melanoma risk by anatomical site, lending weight to the hypothesis that cutaneous melanomas may develop through multiple causal pathways...

..14, p = 0.0035; excluding Australian, the UK, and Swedish samples typed at rs12203592: OR 1.08, p = 0.08)...

..To assess physician, patient, and skin lesion characteristics that affect the number of benign skin lesions excised by primary care physicians for each skin cancer...

....

..The focal gains and deletions documented here are a step toward identifying the key genes involved in EAC development...

..However, few population-based studies of BE have been conducted, so little is known about potentially modifiable causes of this disease...

..Exactly how the expression of each protein relates to the causal pathways needs to be further explored...

..7; 95% CI 1.1-12.0); however, use of the androgenic medication Danazol did not increase risk (OR 1.0; 95% CI 0.4-2.9). Overall, our results do not support the hypothesis that androgen-related disorders increase the risk of ovarian cancer...

..011). We conclude that loss of IL-18 is a marker of UVR-induced melanoma, both in animal models and humans...

..Alcohol has been declared a carcinogen for cancers of the esophagus, although the evidence relates largely to the squamous subtype. Evidence for an effect on adenocarcinomas is scant and inconsistent...

..Variations in rates of change at different body sites warrant further monitoring...

..This finding supports different etiologic pathways of melanoma development by anatomic site...

..BRAF-mutant melanomas have different origins from other cutaneous melanomas. These data support the divergent pathways hypothesis for melanoma, which may require a reappraisal of targeted cancer prevention activities...

..Diabetes increased the risk of OAC (adjusted odds ratio 1.59, 95% confidence interval (CI) 1.04-2.43), although the risk was attenuated after further adjusting for body mass index (1.32, 95% CI 0.85-2.05)...

..These results also call into question the role of the physical effects of ovulation in the development of serous ovarian cancer...

..Thus, pooled results from observational studies suggest that a modest inverse association exists between level of recreational physical activity and the risk of ovarian cancer...

..18 vs. 0.13). The PAF of melanoma associated with red hair colour was 0.10. These estimates of melanoma burden attributable to pigmentary characteristics provide a basis for designing prevention strategies for melanoma...

..This increased frequency of patients diagnosed with BE has broad future economic and clinical implications...

..In conclusion, our study provides evidence for a non intestinal pathway to neoplastic development in Barrett esophagus, that is, gastric metaplasia-foveolar dysplasia-adenocarcinoma...

..Moreover, our observations suggest that even vertically-oriented, potentially shaded sites such as the lower leg typically receive doses of solar radiation no less than half of maximally exposed sites...

..Our aim was to determine whether a gene in the IBD linkage region on chromosome 19q13, with a role in Paneth cell secretion and T-cell activation, conferred genetic susceptibility to the development of CD...

..We analyzed data from a population-based case-control study to examine whether eating behaviors are associated with risk of esophageal cancer...

..Although the growth inhibitory effects of tea, particularly green tea, and tea polyphenols have been demonstrated in animal models of ovarian cancer, the results of epidemiological studies have been inconclusive...

..To document presenting symptoms, investigations and management for Australian patients with oesophageal adenocarcinoma (OAC), gastro-oesophageal junction adenocarcinoma (GOJAC) and oesophageal squamous cell carcinoma (OSCC)...

..A standalone version and web interface for the tool can be accessed through: http://populationhealth.qimr.edu.au/cgi-bin/webFOG/index.cgi. The project details and source code is also available at http://www.bioinformatics.org/webfog...

..High intake of folate-containing foods may reduce risk of EAC, but our data raise the possibility that folic acid supplementation may increase risks of BE with dysplasia and EAC...

..A current hypothesis postulates that the role of sunlight in causing melanoma differs according to anatomic site. We tested this hypothesis in a population-based case-case comparative study of melanoma patients...

..CONCLUSIONS: Self-reported cancer risk factor information demonstrates moderate to almost perfect levels of agreement, suggesting these items are suitable for risk estimation and epidemiologic inference...

....

..We believe this tool will prove useful to others working in the area, both as a training tool, and to aid in the interpretation of complex copy number changes...

..040 for all regions combined). Our findings suggest that only a small percentage of melanoma cases (always <7%) are attributable to familial risk; the majority of melanomas are presumably attributable to other factors...

..Identifying the causes of these differences is likely to provide better understanding of how sunlight causes melanoma...

..This work is the necessary first step in designing targeted preventive strategies for melanoma, which must now be overlaid with information about cost and utility...

..To investigate the risk factors for benign serous and mucinous epithelial ovarian tumors...

..We analyzed data from a population-based case-control study to measure the association between carbonated beverage intake and risk of adenocarcinomas and squamous cell carcinoma (SCC) of the esophagus...

..There was no evidence that the association varied for the different histological subtypes of ovarian cancer. Ovarian cancer should be added to the list of cancers likely to be related to obesity...

..We conclude that hair cover can protect against invasive melanoma on the ear and may similarly protect on the scalp and neck. When discretionary, hair may be an important additional factor to be considered for melanoma prevention...

..We sought to clarify the relationship between smoking and ovarian cancer by histological subtype...

..The relationship with breastfeeding duration is unclear, and it is uncertain whether the association varies according to histological subtype of ovarian cancer. We sought to clarify these issues...

..Using these data and population prevalences, it was estimated that 55% of the variation in liability to melanoma is due to genetic influences...

..Spontaneous dizygotic (DZ) twinning in humans is under genetic control. In sheep, heterozygous loss of function mutations in bone morphogenetic protein 15 (BMP15) increase ovulation and hence twinning rates...

..1-188) than those reporting acid reflux or smoking alone. CONCLUSIONS: Although history of symptoms of acid reflux is the principle factor associated with Barrett's esophagus, risks are substantially increased by obesity and smoking...

..Strategies for HAV prevention, including routine screening of inmates and vaccination of susceptibles, are considered in the context of current models of disease transmission...

..Statistical power to detect associations was limited by the number of cases with SCC. CONCLUSION: Regular users of NSAIDs appear to have lower risks of SCC and lower counts of AKs than nonusers...

..Leukocytes may therefore contribute to and amplify the systemic effects of ultraviolet-induced interleukin-6 and metallothionein expression...

..21). Conversely the risk of cervical cancer was higher among twin mothers (RR = 1.78, 95% CI 0.88-3.52). This latter finding supports previous data suggesting that reproductive hormones act as cofactors in the etiology of cervical cancer...

..Mothers of twins have higher estrogen levels during pregnancy than mothers of singletons, therefore, assessment of cancer risk in twins may be informative...

..7, 95% confidence interval: 0.9, 3.1). The authors conclude that p53 immunoreactivity in the skin is a marker of exposure to ultraviolet light in the past 6 months, but this may be mitigated by regular application of sunscreen...

..Benign nevi are accurately diagnosed and often excised because of patient pressure...

..This study highlights the need for multicenter collaborations for genetic association studies...

....

..To measure and compare the casemix and diagnostic accuracy of excised or biopsied skin lesions managed by mainstream general practitioners and doctors within primary care skin cancer clinics...

..We previously identified a deletion mutation in GDF9 in sisters with spontaneous dizygotic (DZ) twins, but the prevalence of rare GDF9 variants in twinning families is unknown...

..We speculate that equol and its related derivative NV-07alpha may activate the MT gene synergistically with SSUV, to produce the enhanced immunoprotective effect...

..Taken together with our previous observations in thyroid and islet cell tumors, our data suggest that nuclear-cytoplasmic partitioning of PTEN might also play a role in melanoma progression...

..Ultimately, the results of this research may contribute to better preventive strategies to reduce the number of people who die from melanoma (currently 8000 people each year in the United States). ..