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Genomes and Genes | Margaret R KaragasSummaryAffiliation: Dartmouth College Country: USA Publications
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Gender, smoking, glutathione-S-transferase variants and bladder cancer incidence: a population-based studyMargaret R Karagas
Section of Biostatistics and Epidemiology, Dartmouth Medical School, 7927 Rubin Building One Medical Center Drive, Lebanon, NH 03756, USA
Cancer Lett 219:63-9. 2005..Recent work further suggests that susceptibility to the carcinogenic effects of tobacco on the bladder may differ among men and women...
Use of tanning devices and risk of basal cell and squamous cell skin cancersMargaret R Karagas
Department of Community and Family Medicine and the Norris Cotton Cancer Center, Dartmouth Medical School, Lebanon, NH 03756, USA
J Natl Cancer Inst 94:224-6. 2002..They highlight the need to further evaluate the potential risks of BCC and SCC that are associated with tanning lamp exposure and the appropriate public health response...
DNA repair genotype interacts with arsenic exposure to increase bladder cancer riskAngeline S Andrew
Department of Community and Family Medicine, Section of Biostatistics and Epidemiology, Dartmouth Medical School, Lebanon, NH 03756, United States
Toxicol Lett 187:10-4. 2009..01). Haplotype analysis confirmed the association of the XRCC3 241. Thus, double-strand break repair genotype may enhance arsenic associated bladder cancer susceptibility in the U.S. population...
Bladder cancer SNP panel predicts susceptibility and survivalAngeline S Andrew
Section of Biostatistics and Epidemiology, Department of Community and Family Medicine, Dartmouth Medical School, Lebanon, NH 03756, USA
Hum Genet 125:527-39. 2009..8 95% CI 1.1-3.0). Variants in the detoxification gene EPHX1 experienced longer survival (HR 0.4 (95% CI 0.2-0.8). These genes can now be assessed in multiple study populations to identify and validate SNPs appropriate for clinical use...
Arsenic exposure is associated with decreased DNA repair in vitro and in individuals exposed to drinking water arsenicAngeline S Andrew
Department of Community and Family Medicine, Section of Biostatistics and Epidemiology, Dartmouth Medical School, Lebanon, New Hampshire 03756, USA
Environ Health Perspect 114:1193-8. 2006....
Squamous cell and basal cell carcinoma of the skin in relation to radiation therapy and potential modification of risk by sun exposureMargaret R Karagas
Section of Biostatistics and Epidemiology, Department of Community and Family Medicine, and the Norris Cotton Cancer Center, Dartmouth Medical School, Lebanon, NH 03756, USA
Epidemiology 18:776-84. 2007..It is also not known whether subgroups of individuals are at greater risk, eg, those with radiation sensitivity or high ultraviolet radiation exposure...
Occupation and keratinocyte cancer risk: a population-based case-control studyJosh Marehbian
Center for the Evaluative Clinical Sciences, Dartmouth Medical School, Dartmouth College, Hanover, NH, USA
Cancer Causes Control 18:895-908. 2007..The aim of our study was to identify occupations associated with increased risk of basal cell carcinoma (BCC) and squamous cell carcinoma (SCC)...
Arsenic exposure predicts bladder cancer survival in a US populationRyan C Kwong
Section of Biostatistics and Epidemiology, Department of Community and Family Medicine, Norris Cotton Cancer Center, Dartmouth Medical School, 7927 Rubin 860 One Medical Center Drive, Lebanon, NH 03756, USA
World J Urol 28:487-92. 2010..While arsenic is a known carcinogen, recent studies suggest that it is useful as a therapeutic agent for leukemia. This study examined the relationship between arsenic exposure and bladder cancer mortality...
Genus beta human papillomaviruses and incidence of basal cell and squamous cell carcinomas of skin: population based case-control studyMargaret R Karagas
Section of Biostatistics and Epidemiology, Department of Community and Family Medicine and Norris Cotton Cancer Center, Dartmouth Medical School, Lebanon, NH 03756, USA
BMJ 341:c2986. 2010..To investigate the association between genus beta human papillomaviruses and the incidence of non-melanocytic skin cancer in the general population...
Analgesic and nonsteroidal anti-inflammatory use in relation to nonmelanoma skin cancer: a population-based case-control studyDorothea C Torti
Section of Dermatology, Dartmouth Hitchcock Medical Center, Lebanon, New Hampshire, USA
J Am Acad Dermatol 65:304-12. 2011..Aspirin and other nonsteroidal anti-inflammatory drugs (NSAIDs) are potentially chemopreventive...
Incidence of transitional cell carcinoma of the bladder and arsenic exposure in New HampshireMargaret R Karagas
Department of Community and Family Medicine, Norris Cotton Cancer Center, Dartmouth Medical School, Lebanon, NH 03756, USA
Cancer Causes Control 15:465-72. 2004..To examine the effects of lower levels of arsenic exposure on bladder cancer incidence, we conducted a case-control study in New Hampshire, USA where levels above 10 micro/l are commonly found in private wells...
Measures of cumulative exposure from a standardized sun exposure history questionnaire: a comparison with histologic assessment of solar skin damageMargaret R Karagas
Section of Biostatistics and Epidemiology, Department of Community and Family Medicine, Dartmouth Medical School, One Medical Center Drive, Lebanon, NH 03756, USA
Am J Epidemiol 165:719-26. 2007..Findings suggest that cumulative, but not intermittent, measures of sun exposure derived from a personal interview appear to reflect a person's exposure history based on histologic evidence...
DNA repair polymorphisms modify bladder cancer risk: a multi-factor analytic strategyAngeline S Andrew
Department of Community and Family Medicine, Section of Biostatistics and Epidemiology, Dartmouth Medical School, Lebanon, NH 03756, USA
Hum Hered 65:105-18. 2008..These include: APE1-Asn148Gln, XRCC1-Arg399Gln and XRCC1-Arg194Trp in the BER pathway, XPD-Gln751Lys in the NER pathway and XRCC3-Thr241Met in the DSB repair pathway...
SLC39A2 and FSIP1 polymorphisms as potential modifiers of arsenic-related bladder cancerMargaret R Karagas
Section of Biostatistics and Epidemiology, Dartmouth Medical School, Lebanon, NH 03756, USA
Hum Genet 131:453-61. 2012..03). Our findings suggest novel variants that may influence risk of arsenic-associated bladder cancer and those who may be at greatest risk from this widespread exposure...
Concordance of multiple analytical approaches demonstrates a complex relationship between DNA repair gene SNPs, smoking and bladder cancer susceptibilityAngeline S Andrew
Department of Community and Family Medicine, Section of Biostatistics and Epidemiology, Dartmouth Medical School, Lebanon, NH 03756, USA
Carcinogenesis 27:1030-7. 2006..These results support the hypothesis that common polymorphisms in DNA repair genes modify bladder cancer risk and emphasize the need for a multifaceted statistical approach to identify gene-gene and gene-environment interactions...
Selenium and risk of bladder cancer: a population-based case-control studyKristin Wallace
Department of Community and Family Medicine, Section of Biostatistics and Epidemiology, Dartmouth Medical School, 7927 Rubin Building, 1 Medical Center Drive, Lebanon, NH 03756, USA
Cancer Prev Res (Phila) 2:70-3. 2009..g., p53 positive) or within certain subsets of a population (e.g., women or moderate smokers)...
A case-control study of polymorphisms in xenobiotic and arsenic metabolism genes and arsenic-related bladder cancer in New HampshireCorina Lesseur
Department of Community and Family Medicine, Dartmouth Medical School, Lebanon, NH 03756, USA
Toxicol Lett 210:100-6. 2012....
Tea consumption and basal cell and squamous cell skin cancer: results of a case-control studyJudy R Rees
Department of Community and Family Medicine Section of Biostatistics and Epidemiology, Dartmouth Medical School, Lebanon, NH, USA
J Am Acad Dermatol 56:781-5. 2007..Tea constituents, including polyphenols, are hypothesized to have chemopreventive properties, and inhibit the induction of skin cancers in animal models...
Methylenetetrahydrofolate reductase (MTHFR) variants and bladder cancer: a population-based case-control studyMargaret R Karagas
Department of Community and Family Medicine, Dartmouth Medical School, Lebanon, NH, USA
Int J Hyg Environ Health 208:321-7. 2005..12 for MTHFR 1298A>C). Thus, our findings do not support the presence of a main gene effect. The possibility that MTHFR polymorphism affects susceptibility to environmental exposures warrants further consideration...
A simple and computationally efficient sampling approach to covariate adjustment for multifactor dimensionality reduction analysis of epistasisJiang Gui
Community and Family Medicine, Norris Cotton Cancer Center, Dartmouth Medical School, Lebanon, NH 03756, USA
Hum Hered 70:219-25. 2010..The results suggest that our proposed method performs similarly, but is more computationally efficient. We then apply this new method to an analysis of a population-based bladder cancer study in New Hampshire...
A novel survival multifactor dimensionality reduction method for detecting gene-gene interactions with application to bladder cancer prognosisJiang Gui
Department of Community and Family Medicine, Norris Cotton Cancer Center, Dartmouth Medical School, One Medical Center Drive, Lebanon, NH 03756, USA
Hum Genet 129:101-10. 2011....
Effect of calcium supplementation on the risk of large bowel polypsKristin Wallace
Department of Community and Family Medicine, Dartmouth-Hitchcock Medical Center, Lebanon, NH, USA
J Natl Cancer Inst 96:921-5. 2004..CONCLUSION: Our results suggest that calcium supplementation may have a more pronounced antineoplastic effect on advanced colorectal lesions than on other types of polyps...
EGFR pathway polymorphisms and bladder cancer susceptibility and prognosisRebecca A Mason
Section of Biostatistics and Epidemiology, Department of Community and Family Medicine, Dartmouth Medical School, One Medical Center Drive, Lebanon, NH 03756, USA
Carcinogenesis 30:1155-60. 2009..Understanding these genetic influences on increased bladder cancer susceptibility and survival may help in cancer prevention, drug development and choice of therapeutic regimen...
The association of physical activity and body mass index with the risk of large bowel polypsKristin Wallace
Community and Family Medicine, Dartmouth Hitchcock Medical Center, Lebanon, NH 03756, USA
Cancer Epidemiol Biomarkers Prev 14:2082-6. 2005..No associations were found between BMI and hyperplastic polyps, tubular adenomas, or advanced neoplastic polyps...
Drinking-water arsenic exposure modulates gene expression in human lymphocytes from a U.S. populationAngeline S Andrew
Dartmouth Medical School Section of Biostatistics and Epidemiology, 7927 Rubin 860, One Medical Center Dr, Lebanon, NH 03756, USA
Environ Health Perspect 116:524-31. 2008....
Histological classification and stage of newly diagnosed bladder cancer in a population-based study from the Northeastern United StatesAlan R Schned
Department of Pathology, Dartmouth Medical School, Hanover, New Hampshire, USA
Scand J Urol Nephrol 42:237-42. 2008..This study evaluated the classification and stage of bladder cancers as part of a population-based epidemiological study of bladder cancer in the Northeastern United States...
Human papillomavirus infection and incidence of squamous cell and basal cell carcinomas of the skinMargaret R Karagas
Department of Community and Family Medicine, Center for Environmental Health Sciences, Dartmouth Medical School, Lebanon, NH 03756, USA
J Natl Cancer Inst 98:389-95. 2006....
A robust multifactor dimensionality reduction method for detecting gene-gene interactions with application to the genetic analysis of bladder cancer susceptibilityJiang Gui
Dartmouth Medical School, Lebanon, NH 03756, USA
Ann Hum Genet 75:20-8. 2011..We show that there is no loss of success rate when this is not the case. We then apply the RMDR method to the detection of gene-gene interactions in genotype data from a population-based study of bladder cancer in New Hampshire...
Survival following the diagnosis of noninvasive bladder cancer: WHO/International Society of Urological Pathology versus WHO classification systemsAlan R Schned
Department of Pathology, Dartmouth Medical School, Lebanon, New Hampshire 03756, USA
J Urol 178:1196-200; discussion 1200. 2007..In a large, nonselected population of patients with bladder cancer we rated all incident tumors using each system and compared long-term patient survival...
A computationally efficient hypothesis testing method for epistasis analysis using multifactor dimensionality reductionKristine A Pattin
Computational Genetics Laboratory, Department of Genetics, Dartmouth Medical School, Lebanon, New Hampshire 03756, USA
Genet Epidemiol 33:87-94. 2009..We then demonstrate this new method by applying it to a genetic epidemiology study of bladder cancer susceptibility that was previously analyzed using MDR and assessed using a 1,000-fold permutation test...
Pregnancy history and incidence of melanoma in women: a pooled analysisMargaret R Karagas
Section of Biostatistics and Epidemiology, Department of Community and Family Medicine, Dartmouth Medical School, 7927 Rubin Bldg, One Medical Center Drive, Hanover, Lebanon, New Hampshire, 03756 0001, USA
Cancer Causes Control 17:11-9. 2006..g., <5 live births) (pOR 0.33, 95% CI 0.14-0.75). The results are compatible with an effect of reproductive history-related factors on melanoma risk, but also could reflect differences in other factors, such as sun exposure history...
A population-based case-control study of the XRCC1 Arg399Gln polymorphism and susceptibility to bladder cancerKarl T Kelsey
Department of Genetics and Complex Diseases, Harvard School of Public Health, Building 1, Room 607, 665 Huntington Avenue, Boston, MA 02115, USA
Cancer Epidemiol Biomarkers Prev 13:1337-41. 2004....
Decreased DNA repair gene expression among individuals exposed to arsenic in United States drinking waterAngeline S Andrew
Department of Community and Family Medicine and Norris Cotton Cancer Center, Dartmouth Medical School, Lebanon, NH 03756, USA
Int J Cancer 104:263-8. 2003..Although our findings need verification in a larger study group, they are consistent with the hypothesis that inhibition of DNA repair capacity is a potential mechanism for the co-carcinogenic activity of arsenic...
Bladder cancer risk and personal hair dye useAngeline S Andrew
Department of Community and Family Medicine, Dartmouth Medical School, Lebanon, NH 03756, USA
Int J Cancer 109:581-6. 2004..In light of the prevalence of hair dye use, further studies are needed that address the effects of specific colors and types of hair dyes along with the possible role of individual susceptibility...
Genetic population structure analysis in New Hampshire reveals Eastern European ancestryChantel D Sloan
Computational Genetics Laboratory, Department of Genetics, Dartmouth Medical School, Lebanon, New Hampshire, United States of America
PLoS ONE 4:e6928. 2009..To our knowledge, this is the first time such an investigation has uncovered a strong link between genetic structure and ancestry in what would otherwise be considered a homogenous US population...
XPA, haplotypes, and risk of basal and squamous cell carcinomaKatie L Miller
Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA
Carcinogenesis 27:1670-5. 2006..The common G allele of the A23G polymorphism was associated with an increased risk of BCC and SCC and this polymorphism appeared to be the determining polymorphism in XPA that alters cancer susceptibility...
Characterizing genetic interactions in human disease association studies using statistical epistasis networksTing Hu
Department of Genetics, Dartmouth Medical School, Dartmouth College, Lebanon, NH, USA
BMC Bioinformatics 12:364. 2011....
Diabetes and risk of bladder cancer: evidence from a case-control study in New EnglandTodd MacKenzie
Department of Medicine, Dartmouth Medical School, Hanover, New Hampshire 037756, USA
Cancer 117:1552-6. 2011....
Carcinogen exposure and gene promoter hypermethylation in bladder cancerCarmen J Marsit
Department of Genetics and Complex Diseases, Harvard School of Public Health, Boston, MA 02115, USA
Carcinogenesis 27:112-6. 2006..These results, from human bladder tumors, add to the body of animal and in vitro evidence that suggests a role in epigenetic alterations for bladder carcinogens...
The XPC poly-AT polymorphism in non-melanoma skin cancerHeather H Nelson
Department of Environmental Health, Harvard School of Public Health, 665 Huntington Avenue, Boston, MA 02115, USA
Cancer Lett 222:205-9. 2005..These results require further confirmation...
A role for ultraviolet radiation immunosuppression in non-melanoma skin cancer as evidenced by gene-environment interactionsMarleen M Welsh
Department of Environmental Health, Harvard School of Public Health, Boston, MA 02115, USA
Carcinogenesis 29:1950-4. 2008..0004). In conclusion, our findings are a first step in determining the genetic underpinnings of UV immune suppression and have identified important new genetic interactions contributing to the etiology of skin cancer...
The XRCC1 Arg399Gln polymorphism, sunburn, and non-melanoma skin cancer: evidence of gene-environment interactionHeather H Nelson
Department of Cancer Cell Biology, Harvard School of Public Health, Boston, Massachusetts 02115, USA
Cancer Res 62:152-5. 2002..These data, using the classic skin carcinogenesis model, provide new insight on the role of the XRCC1 399 polymorphism in neoplasia and may help explain the conflicting results relating this polymorphism to cancer risk at various sites...
Evidence on the human health effects of low-level methylmercury exposureMargaret R Karagas
Section of Biostatistics and Epidemiology, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, USA
Environ Health Perspect 120:799-806. 2012..Despite its global relevance, synthesis of the available literature on low-level MeHg exposure has been limited...
Cancer heterogeneity: origins and implications for genetic association studiesDavnah Urbach
Institute for Quantitative Biomedical Sciences, The Geisel School of Medicine, Dartmouth College, One Medical Center Drive, Lebanon, NH 03756, USA
Trends Genet 28:538-43. 2012....
Layers of epistasis: genome-wide regulatory networks and network approaches to genome-wide association studiesRichard Cowper-Sal Lari
Department of Genetics, Norris Cotton Cancer Center, Dartmouth Medical School, Lebanon, NH, USA
Wiley Interdiscip Rev Syst Biol Med 3:513-26. 2011..This will give GWAS re-analysis efforts the most current and relevant substrates, and root them firmly on our knowledge of human disease...
Toenail mercury and dietary fish consumptionJudy R Rees
Dartmouth College Center for Environmental Health Sciences, Department of Community and Family Medicine Biostatistics and Epidemiology and Norris Cotton Cancer Center, Lebanon, New Hampshire 03756, USA
J Expo Sci Environ Epidemiol 17:25-30. 2007..48, P=0.012). Multivariate models confirmed that toenail total mercury concentration was best predicted by total finfish and shellfish consumption...
Polymorphisms in nucleotide excision repair genes, arsenic exposure, and non-melanoma skin cancer in New HampshireKatie M Applebaum
Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA
Environ Health Perspect 115:1231-6. 2007..Arsenic exposure may alter the efficiency of DNA repair. UV damage is specifically repaired by nucleotide excision repair (NER), and common genetic variants in NER may increase risk for non-melanoma skin cancer (NMSC)...
Reported use of photosensitizing medications and basal cell and squamous cell carcinoma of the skin: results of a population-based case-control studyMargaret R Karagas
J Invest Dermatol 127:2901-3. 2007
Promoter hypermethylation is associated with current smoking, age, gender and survival in bladder cancerCarmen J Marsit
Department of Pathology and Laboratory Medicine, Brown University, Providence, RI 02912, USA
Carcinogenesis 28:1745-51. 2007....
Skin cancers and non-hodgkin lymphoma among users of systemic glucocorticoids: a population-based cohort studyHenrik Toft Sørensen
Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
J Natl Cancer Inst 96:709-11. 2004..68, 95% CI = 1.16 to 5.29). Our data suggest that use of glucocorticoids may be a shared risk factor for certain skin cancers and lymphomas...
Assessment of cancer risk and environmental levels of arsenic in New HampshireMargaret R Karagas
Section of Biostatistics and Epidemiology, Department of Community and Family Medicine, 7927 Rubin 462M 3, One Medical Center Drive, Lebanon, NH 03756 001, USA
Int J Hyg Environ Health 205:85-94. 2002..Lastly, our data suggest that use of a biologic marker along with alternative statistical approaches may aid detection of the levels at which arsenic may affect cancer occurrence in the US...
Activation of Hedgehog signaling by the environmental toxicant arsenic may contribute to the etiology of arsenic-induced tumorsDennis Liang Fei
Department of Pharmacology and Toxicology, Dartmouth Medical School, Hanover, New Hampshire, USA
Cancer Res 70:1981-8. 2010..Thus, we provide an important insight into the etiology of arsenic-induced human carcinogenesis, which may be relevant to millions of people exposed to high levels of arsenic worldwide...
Prediagnostic serum selenium concentration and the risk of recurrent colorectal adenoma: a nested case-control studyKristin Wallace
Community and Family Medicine, Dartmouth Medical School, Lebanon, New Hampshire 03756, USA
Cancer Epidemiol Biomarkers Prev 12:464-7. 2003..50 for total selenium and P for trend = 0.20 for bound selenium). Thus, our findings do not indicate a clear association between serum selenium concentrations and adenoma recurrence...
Chronic diseases requiring hospitalization and risk of non-melanoma skin cancers--a population based study from DenmarkAnnette Ø Jensen
Department of Dermatology, Aarhus University Hospital, Aarhus C, Denmark
J Invest Dermatol 128:926-31. 2008..JID JOURNAL CLUB ARTICLE: For questions, answers, and open discussion about this article please go to http://network.nature.com/group/jidclub...
Disinfection byproducts in drinking water and skin cancer? A hypothesisMargaret R Karagas
Cancer Causes Control 19:547-8. 2008
Cutaneous human papillomavirus infection, the EVER2 gene and incidence of squamous cell carcinoma: a case-control studyAnita S Patel
Department of Environmental Health, Harvard School of Public Health, Boston, MA
Int J Cancer 122:2377-9. 2008..7, 95% CI 1.1-2.7]. These data provide evidence for a role of genetic variation in the EVER2 gene in beta-HPV infection and risk of SCC, shedding light on the link between HPVs and skin cancers...
XRCC3 and XPD/ERCC2 single nucleotide polymorphisms and the risk of cancer: a HuGE reviewMaurizio Manuguerra
Section of Epidemiology, ISI Foundation, Torino, Italy
Am J Epidemiol 164:297-302. 2006....
Allelic loss at Drosophila patched gene is highly prevalent in Basal and squamous cell carcinomas of the skinHadi Danaee
Department of Genetics and Complex Diseases, Harvard School of Public Health, 665 Huntington Avenue, Boston, MA 02115, USA
J Invest Dermatol 126:1152-8. 2006..08). Thus, in our large, population-based sample, 9q22 loss, including PTCH, was highly prevalent in both BCC and SCC. Overall, these data support the hypothesis that PTCH loss is a common, early lesion for SCC and BCC...
Selenium and colorectal adenoma: results of a pooled analysisElizabeth T Jacobs
Arizona Cancer Center, University of Arizona, P O Box 245024, Tucson, AZ 85724 5024, USA
J Natl Cancer Inst 96:1669-75. 2004..Secondary analyses of data from a large randomized clinical trial have suggested that intake of the trace element selenium reduces risk of colorectal neoplasia, but epidemiologic studies have not shown a consistent protective association...
Gene-drug interaction at the glucocorticoid receptor increases risk of squamous cell skin cancerAnita S Patel
Department of Environmental Health, Harvard School of Public Health, Boston, Massachusetts 02115, USA
J Invest Dermatol 127:1868-70. 2007..Given the large numbers of individuals on immunosuppressive drug therapy for inflammatory disease, these findings have important implications for NMSC screening and prevention...
Microsatellite instability at tetranucleotide repeats in skin and bladder cancerHadi Danaee
Department of Cancer Cell Biology, Harvard School of Public Health, Boston, Massachusetts, MA 02115, USA
Oncogene 21:4894-9. 2002..Hence, EMAST likely reflects a particular pattern of somatic events that are interactive with p53 mutation, particularly common in skin cancer and limited to non-invasive disease in bladder cancer...
Anthropometric factors and risk of melanoma in women: a pooled analysisCatherine M Olsen
Cancer and Population Studies Group, Queensland Institute of Medical Research, PO Royal Brisbane Hospital, Brisbane, QLD, Australia
Int J Cancer 122:1100-8. 2008..In aggregate, data from these studies suggest that greater height and weight gain may be risk factors for cutaneous melanoma in women...
