I am an Assistant Professor with the Center of Excellence for Eating Disorders in the Department of Psychiatry at The University of North Carolina (UNC). I have training in behavior genetics and eating disorders, with a focus on bulimia nervosa (BN) and related symptomatology. I am seeking training in -omic sciences (i.e., genomics, transcriptomics), advanced genetic epidemiological methods, anorexia nervosa- related psychopathology, and longitudinal data analysis. Career Goals: I want to bring eating disorder outcome research to the next level by merging my specific interest in genetics with my emerging interest in anorexia nervosa (AN) treatment outcome, specifically relapse. Thus, my core career goal is to develop an understanding of biomarkers (-omic markers, biological markers) of AN treatment outcome. I will use this knowledge to develop integrated profiles of relapse risk, which will inform novel, biologically-informed, and effective treatment interventions Career Development: I plan to build my skills and expertise in five areas: 1. AN psychopathology, treatment approaches, and outcome; 3. Definitions of recovery in the eating disorders field; 3. Advanced -omic sciences and genetic epidemiological methods 4. Longitudinal data analyses including latent trajectory modeling. 5. The responsible conduct of research. Research Project: The proposed project leverages existing resources by using two ongoing longitudinal parent projects at UNC to identify biomarkers of relapse after inpatient treatment for AN. Parent projects include: 1) Biomarkers of Anorexia Nervosa (BAN)-100 women admitted for inpatient treatment for AN assessed at admission and discharge, and then 3, 7, and 12 months post-discharge. Assessments include biomarkers (cortisol, adrenocorticotropic hormone, norepinephrine, and gene expression) as well as psychological, behavioral, and cognitive symptomatology; and 2) Road to Recovery in Eating Disorders (RRED), a subsample of BAN participants (n=60) followed-up 1 and 2-years post-discharge. The definition of relapse used in this proposal is operationalized as weight change, or the amount of weight lost (or gained and maintained) since hospital discharge (follow-up weight minus discharge weight). First, I will examine gene expression change during therapeutic weight restoration using RNAseq. Second, I will examine the association between biomarkers (gene expression change and HPA-axis and adrenergic pathway activation) and psychological, behavioral, and cognitive factors and weight change at 3-time points within 1-year of discharge from treatment from a specialized eating disorder inpatient unit (BAN sample). These results will identify preliminary profiles of weight change. Third, using sophisticated longitudinal modeling strategies learned during the course of this award period, I will characterize the long-term pattern of weight maintenance/relapse from inpatient discharge to 2-years post-discharge in patients with AN (RRED sample). In future independent applications (R01s) these results will inform further exploration of the influence of -omic factors on treatment outcome-such as the development of a polygenic risk score and the impact of this score on relapse and provide biological targets for treatment and screening. Only through the understanding of biomarkers of theraputically restored weight loss in AN, can we fully identify those at risk for relapse in orderto develop effective treatment protocols-ultimately improving AN outcome. Environment: The research and training will take place in the Departments of Psychiatry and Genetics at UNC. Mentorship: The mentorship team includes lead mentor, Dr. Cynthia Bulik, a clinical psychologist, and internationally recognized expert in eating disorder research and whose funded interests range from genomics to treatment. Secondary mentors include: Dr. Patrick Sullivan, a psychiatrist and leading expert in psychiatric -omics; Dr. Kari North, a genetic epidemiologist who will provide expertise in longitudinal data analysis and methods and integrating genetic and nongenetic data into these analysis; Dr. Anna Bardone-Cone, a clinical psychologist and recognized expert in defining recovery in eating disorders; and Dr. Daniel Bauer, a quantitative psychologist and expert in longitudinal modeling.

Public Health Relevance

Anorexia nervosa (AN) is a pernicious psychiatric illness associated with several comorbid psychiatric and medical morbidities. AN often exhibits a severe and enduring course and involves multiple hospital admissions as part of treatment, which places significant burden on patients, families, and the healthcare system as individuals with AN use healthcare services more than those with other psychiatric illnesses. However, current treatment approaches have limited efficacy and we know very little about predictors of relapse after treatment; therefore it is imperative we identify predictors of relapse during the highest risk period for relapse in order to develop novel, safe, and effective treatment approaches. Early, optimized treatments have the potential to decrease the likelihood of readmission and increase the likelihood of full recovery from AN.

National Institute of Health (NIH)
National Institute of Mental Health (NIMH)
Research Scientist Development Award - Research & Training (K01)
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Adult Psychopathology and Disorders of Aging Study Section (APDA)
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Chavez, Mark
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University of North Carolina Chapel Hill
Schools of Medicine
Chapel Hill
United States
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Baker, Jessica H; Brosof, Leigh C; Munn-Chernoff, Melissa A et al. (2018) Associations Between Alcohol Involvement and Drive for Thinness and Body Dissatisfaction in Adolescent Twins: A Bivariate Twin Study. Alcohol Clin Exp Res 42:2214-2223
Goodman, Erica L; Breithaupt, Lauren; Watson, Hunna J et al. (2018) Sweet taste preference in binge-eating disorder: A preliminary investigation. Eat Behav 28:8-15
Baker, Jessica H; Johnson, Nicole K; Munn-Chernoff, Melissa A et al. (2018) Illicit Drug Use, Cigarette Smoking, and Eating Disorder Symptoms: Associations in an Adolescent Twin Sample. J Stud Alcohol Drugs 79:720-724
Thornton, Laura M; Munn-Chernoff, Melissa A; Baker, Jessica H et al. (2018) The Anorexia Nervosa Genetics Initiative (ANGI): Overview and methods. Contemp Clin Trials 74:61-69
Baker, Jessica H; Schaumberg, Katherine; Munn-Chernoff, Melissa A (2017) Genetics of Anorexia Nervosa. Curr Psychiatry Rep 19:84
Duncan, Laramie; Yilmaz, Zeynep; Gaspar, Helena et al. (2017) Significant Locus and Metabolic Genetic Correlations Revealed in Genome-Wide Association Study of Anorexia Nervosa. Am J Psychiatry 174:850-858
Yilmaz, Zeynep; Szatkiewicz, Jin P; Crowley, James J et al. (2017) Exploration of large, rare copy number variants associated with psychiatric and neurodevelopmental disorders in individuals with anorexia nervosa. Psychiatr Genet 27:152-158
Baker, Jessica H; Peterson, Claire M; Thornton, Laura M et al. (2017) Reproductive and Appetite Hormones and Bulimic Symptoms during Midlife. Eur Eat Disord Rev 25:188-194
Baker, Jessica H; Munn-Chernoff, Melissa A; Lichtenstein, Paul et al. (2017) Shared familial risk between bulimic symptoms and alcohol involvement during adolescence. J Abnorm Psychol 126:506-518
Li, Dong; Chang, Xiao; Connolly, John J et al. (2017) A genome-wide association study of anorexia nervosa suggests a risk locus implicated in dysregulated leptin signaling. Sci Rep 7:3847

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