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Richard M. Fairbanks School of Public Health

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  • Hongmei Nan

Hongmei Nan, MD, PhD

Professor, Vice Chair of the Department of Global Health, Affiliated Professor, IU Center for Global Health

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Phone:
(317) 274-3120
Email:
hnan@iu.edu
Departments:
Global Health
Degrees:
PhD, Preventive Medicine, Chungbuk National University
MS, Preventive Medicine, Chungbuk National University
MD, Clinical Medicine , Yanbian University

Resume/CV

Health Sciences Building, RG 6110
1050 Wishard Blvd.
Indianapolis, IN
46202
Postdoctoral Trainings: 
Chungbuk National University, South Korea
Tokyo University, Japan
Harvard School of Public Health
Harvard Medical School

Previous Faculty Positions: 
Harvard Medical School
University of Maryland
 

Biography

Dr. Nan earned her MD in Clinical Medicine from the College of Medicine of Yanbian University in China and her PhD in Preventive Medicine from the College of Medicine, Chungbuk National University in South Korea. After graduate school, she became a Research Fellow at the Human Genome Center, Institute of Medicine Science, Tokyo University in Japan. In 2007 she was named a Visiting Scientist in Epidemiology at the Harvard T.H. Chan School of Public Health, and in 2008 became a Research Fellow in Epidemiology at the Channing Division of Network Medicine at Brigham and Women’s Hospital and Harvard Medical School, where in 2010 she became an Instructor. In 2012, she became an Assistant Professor in the Division of Cancer Epidemiology, Department of Epidemiology and Public Health, University of Maryland School of Medicine. In 2014, she joined the faculty as Associate Professor in the Department of Epidemiology, Richard M. Fairbanks School of Public Health, Indiana University.

Dr. Nan’s research focuses on translating science into populations as well as clinical practice, thereby enhancing public health and well-being of subsequent generations of youth and families. With extensive training in epidemiology in China, South Korea, Japan and US, she has more than 25 years of experience in conducting epidemiologic studies of cancer and other chronic diseases in different populations. In particular, she has extensive expertise in molecular epidemiologic studies of cancers, including colorectal and skin. Dr. Nan has over 90 peer-reviewed publications, many in high-profile journals. She has built a national and international reputation for her research. Other experts around the world have recognized her exceptional knowledge and insights, as well as her scientific achievement. For example, Dr. Nan was selected as the inaugural winner of the Junior Investigator Award by The International Aspirin Foundation. In addition, her work was deemed by the Epidemiology and Genomics Research Program at the National Cancer Institute to have the greatest potential scientific and public health impact. Her work was also selected for the Top 10 Clinical Research Achievement Award at the 2016 Association for Clinical and Translational Science conference. Dr. Nan’s work was also highlighted as a successful example in the NIH Director’s Blog regarding “Precision Medicine” and selected for news release in multiple avenues. Moreover, she has been invited to speak about her research at numerous regional, national, and international scientific meetings and has chaired sessions for national scientific societies. Dr. Nan has served as Ad Hoc Reviewer for over 50 peer-reviewed scientific journals, and Associate Editor for the journal Cancer Causes and Control, along with a number of national and international committees and grant review panels for the U.S. Department of Defense, the Italian Ministry of Health, the British Skin Foundation, UK Cancer Research, and the Singapore Government Ministry of Health. Because of her precision health research, Dr. Nan has played a fundamental role in the IU Grand Challenge, Precision Health Initiative.

Research Interests

Genetics-based colorectal cancer prevention

Dr. Nan has participated in several epidemiological investigations of the genetic interactions underlying the effects of aspirin intake on colorectal cancer risk. These large-scale, high-profile epidemiologic studies included a number of national and international population-based cohort studies. Dr. Nan’s work on aspirin and colorectal cancer strongly demonstrates her unwavering commitment to “Precision Medicine” research at the highest level. Among her first-author papers on the genetic modification of aspirin and colorectal cancer risk, one was published in JAMA [Association of aspirin and NSAID use with risk of colorectal cancer according to genetic variants. JAMA. 2015 Mar 17;313(11):1133-42] and another in the Journal of the National Cancer Institute [Aspirin use, 8q24 single nucleotide polymorphism rs6983267, and colorectal cancer according to CTNNB1 alterations. JNCI. 2013 Dec 18;105(24):1852-61]. These articles help explain why aspirin and other NSAIDs may prevent colorectal cancer in some people but not in others. These publications were accompanied by editorial commentary, and the JAMA paper was commented on in NIH director Dr. Francis Collins’s blog regarding Precision Medicine.   

Metabolomic profiles, pigmentary traits and skin cancer

Dr. Nan started her training at Harvard Medical School in skin cancer molecular epidemiological research. She has led multiple skin cancer projects, including genome-wide association studies on pigmentary traits and skin cancer risk. Dr. Nan also investigated the associations between melanoma risk factors and the risk of non-melanoma skin cancers. Most recently, Dr. Nan developed an independent research area in the associations between plasma metabolites and susceptibility to sunburn (a pigmentary trait), a well-known risk factor for skin cancer. Some of these findings were published in the Journal of the American Academy of Dermatology (JAAD), the most highly rated peer-reviewed research journal in ISI’s dermatology category. She continues to pursue this research direction.

Mitochondrial DNA copy number 

Dr. Nan has developed mitochondrial DNA copy number (mtDNAcn) as a novel biomarker of oxidative stress. She determined that leukocyte mtDNAcn was inversely associated with current weight and BMI. These findings led to her further investigations of the associations of mtDNAcn with diet, air pollution, social stress, as well as cancer risk and mortality. For example, Dr. Nan published an article entitled, “Fruit and vegetable consumption, cigarette smoke, and leukocyte mitochondrial DNA copy number” in the American Journal of Clinical Nutrition (AJCN), the top nutrition journal. Most importantly, Dr. Nan collaborated with a basic science lab in South Korea to validate their population-based findings using in vitro cell-based experiments. Dr. Nan has also examined the relationships of mtDNAcn with colorectal cancer risk as well as survival and published the findings in Carcinogenesis and Cancer Epidemiology. She will continue pursuing new findings in terms of lifestyle and health outcomes. 

Global Health

Dr. Nan plans to investigate mtDNAcn in relation to environmental factors and chronic diseases in global settings. Moreover, she devotes substantial effort to global health studies. In this area, Dr. Nan has established a wide range of international research collaborations on the specific areas of colorectal cancer and skin cancer epidemiology, as well as on mtDNAcn. Dr. Nan led a project on education and mortality in the Asian Cohort Consortium, and the manuscript was published in BMJ Open. In addition, she has actively engaged in the international Genetics and Epidemiology of Colorectal Cancer Consortium (GECCO). Moreover, Dr. Nan participated in the international Mc1R (key red hair and melanoma gene) Genetic Variation Consortium with multiple publications worldwide. She has collaborated with a top group in South Korea on the biological consequence of mtDNAcn variation. Dr. Nan continues to publish with collaborators from around the world.

Selected Publications

  1. Nan H, Kraft P, Hunter DJ, Han J. Genetic variants in pigmentation genes, pigmentary phenotypes, and risk of skin cancer in Caucasians. Int J Cancer. 2009 Aug 15;125(4):909-17. PMCID: PMC2700213

  2. Nan H, Xu M, Zhang J, Zhang M, Kraft P, Qureshi AA, Chen C, Guo Q, Hu FB, Rimm EB, Curhan G, Song Y, Amos CI, Wang LE, Lee JE, Wei Q, Hunter DJ, Han J. Genome-wide association study identifies nidogen 1 (NID1) as a susceptibility locus to cutaneous nevi and melanoma risk. Human Molecular Genetics. 2011 Jul 1; 20(13):2673-9. PMCID: PMC3110001

  3. Nan H, Xu M, Kraft P, Qureshi AA, Chen C, Guo Q, Hu FB, Curhan G, Amos CI, Wang LE, Lee JE, Wei Q, Hunter DJ, Han J. Genome-wide association study identifies novel alleles associated with risk of cutaneous basal cell carcinoma. Human Molecular Genetics. 2011 Sep 15; 20(18):3718-24. PMCID: PMC3159556

  4. Nan H, Morikawa T, Kuchiba A, Yamauchi M, Kraft P, Giovannucci EL, Fuchs CS, Freedman ML, Ogino S, Chan AT. Aspirin use, the 8q24 cancer susceptibility SNP rs6983267, and risk of colorectal cancer according to CTNNB1 (ß-catenin) alterations. JNCI. 2013 Dec 18;105(24):1852-61. PMCID: PMC3866156
    Editorial comment on this manuscript: Thompson PA. Genome-wide association studies meet chemoprevention. JNCI. 2013 Dec 18;105(24):1847-8.
  1. Nan H, Hutter CM, Lin Y, Jacobs EJ, Ulrich CM, White E, Baron JA, Berndt SI, Brenner H, Butterbach K, Caan BJ, Campbell PT, Carlson CS, Casey G, Chang-Claude J, Chanock SJ, Cotterchio M, Duggan D, Figueiredo JC, Fuchs CS, Giovannucci EL, Gong J, Haile RW, Harrison TA, Hayes RB, Hoffmeister M, Hopper JL, Hudson TJ, Jenkins MA, Jiao S, Lindor NM, Lemire M, Marchand LL, Newcomb PA, Ogino S, Pflugeisen BM, Potter JD, Qu C, Rosse SA, Rudolph A, Schoen RE, Schumacher FR, Seminara D, Slattery ML, Thibodeau SN, Thomas F, Thornquist M, Warnick GS, Zanke BW, Gauderman WJ, Peters U, Hsu L, Chan AT on behalf of CCFR and GECCO. Association of aspirin and NSAID use with risk of colorectal cancer according to genetic variants. JAMA. 2015 Mar 17;313(11):1133-42. PMCID: PMC4382867
    An invited editorial accompanied the article (1111-2). Aspirin and NSAID chemoprevention, gene-environment interactions, and risk of colorectal cancer.
  1. Wei EX, Li X, Nan H. Extremity nevus count is an independent risk factor for basal cell carcinoma and melanoma, but not squamous cell carcinoma. J Am Acad Dermatol. 2019 Apr;80(4):970-978. PMID: 30713015
  1. Wei E, Li X, Nan H. Having a first-degree relative with melanoma increases lifetime risk of melanoma, squamous cell carcinoma and basal cell carcinoma. J Am Acad Dermatol. 2019 Aug;81(2):489-499. PMID: 31230976

  2. Wu S, Li X, Meng S, Fung T, Chan AT, Liang G, Giovannucci E, De Vivo I, Lee JH, Nan H. Fruit and vegetable consumption, cigarette smoke, and leukocyte mitochondrial DNA copy number. Am J Clin Nutr. 2019 Feb 1;109(2):424-432. PMCID: PMC6367969

  3. Yang K, Zhang Y, Saito E, Rahman MS, Gupta PC, Sawada N, Tamakoshi A, Gao YT, Koh WP, Shu XO, Tsuji I, Sadakane A, Nagata C, You SL, Yuan JM, Shin MH, Chen Y, Pan WH, Pednekar MS, Tsugane S, Cai H, Xiang YB, Ozasa K, Tomata Y, Kanemura S, Sugawara Y, Wada K, Wang R, Ahn YO, Yoo KY, Ahsan H, Chia KS, Boffetta P, Kang D, Potter JD, Inoue M, Zheng W, Nan H. Association between educational level and total and cause-specific mortality: a pooled analysis of over 694 000 individuals in the Asia Cohort Consortium. BMJ Open. 2019 Aug 22;9(8):e026225. PMCID: PMC6707688

  4. Yang K, Li X, Forman MR, Monahan PO, Graham BH, Joshi A, Song M, Hang D, Ogino S, Giovannucci E, De Vivo I, Chan AT, Nan H. Pre-diagnostic leukocyte mitochondrial DNA copy number and colorectal cancer risk. Carcinogenesis. 2019 Sep 26. PMCID: PMC7346713

  5. Yang K, Forman MR, Graham BH, Monahan PO, Giovannucci EL, De Vivo I, Chan AT, Nan H. Association between pre-diagnostic leukocyte mitochondrial DNA copy number and survival among colorectal cancer patients. Cancer Epidemiol. 2020 Oct;68:101778. PMID: 32674053

  6. Wang X, Hart JE, Liu Q, Wu S, Nan H*, Laden F*. Association of particulate matter air pollution with leukocyte mitochondrial DNA copy number. Environ Int. 2020 Aug;141:105761. PMCID: PMC7419671 (*co-senior author)

  7. Yang K, Forman MR, Monahan PO, Graham BH, Chan AT, Zhang X, De Vivo I, Giovannucci EL, Tabung FK, Nan H. Insulinemic potential of lifestyle is inversely associated with leukocyte mitochondrial DNA copy number in US white adults. J Nutr. 2020 Aug 1;150(8):2156-2163. PMCID: PMC7398789

  8. Yang K, Li X, Zeleznik OA, Eliassen AH, Clish CB, Cho E, Somani AB, Qureshi AA, Giovannucci EL, Nan H. Higher susceptibility to sunburn is associated with decreased plasma glutamine and increased plasma glutamate levels among U.S. women: an analysis of the Nurses' Health Study I and II. J Am Acad Dermatol. 2021 Jan 11:S0190-9622(21)00107-9. PMID: 33444667
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