Research Interests:Dr. Sorkin's research examines the changes that occur with aging in carbohydrate and lipid metabolism, obesity, and body fat distribution. He is interested in measuring the changes and determining the relation of the changes to the development of diabetes, cardiovascular disease, death, morbidity, and mortality. These interests have lead him to try to identify the phenotypes associated with longevity and the genetics of longevity in collaboration with Drs. Shuldiner and Mitchell. Dr. Sorkin is Chief of Biostatistics and Informatics for the Division of Gerontology and is PI of the Statistics Core for the University of Maryland Claude D. Pepper Older Americans Independence Center and Baltimore VA Geriatrics Research, Education and Clinical Center. He is actively involved in the training of fellows, facility, and staff in the principles of statistics, epidemiology, and clinical investigation. He provides training both in formal classroom sessions and in one-on-one interaction with investigators and trainees. His ability as a teacher have been recognized by the National Institute On Aging who have make Dr. Sorkin a permanent faculty member of the NIA's Summer Institute on Aging Research.
Munzer, T., Rosen, C.J., Harman, S.M., Pabst, K.M., St Clair, C., Sorkin, J.D., and Blackman, M.R., Effects of GH and Sex Steroids on Circulating Insulin-like Growth-Factor-Binding Proteins 1-5 (IGFBPs 1-5) in Healthy Aged Women and Men. Am J Physiol Endocrinol Metab, 2006, Epub ahead of print.
McArdle, P.F., Pollin, T.I., O'Connell J, R., Sorkin, J.D., Agarwala, R., Schaffer, A.A., Streeten, E.A., King, T.M., Shuldiner, A.R., and Mitchell, B.D., Does having children extend life span? A genealogical study of parity and longevity in the amish. J Gerontol A Biol Sci Med Sci, 2006. 61(2): p. 190-5.
Sorkin J, Post W, Pollin TI, O'Connell JR, Mitchell BD,
Shaughnessy, M., Michael, K.M., Sorkin, J.D., and Macko, R.F., Steps after stroke: capturing ambulatory recovery. Stroke, 2005. 36(6): p. 1305-7.
Ryan, A.S., F.M. Ivey, D.E. Hurlbut, G.F. Martel, J.T. Lemmer, J.D. Sorkin, E.J. Metter, J.L. Fleg, and B.F. Hurley, Regional bone mineral density after resistive training in young and older men and women. Scand J Med Sci Sports, 2004. 14(1): p. 16-23.
Neumann SA, Waldstein SR, Sellers JJ, 3rd, Thayer JF, Sorkin JD: Hostility and distraction have differential influences on cardiovascular recovery from anger recall in women. Health Psychol 23:631-640, 2004.
Nicklas BJ, Dennis KE, Berman DM, Sorkin J, Ryan AS, Goldberg AP. Lifestyle Intervention of Hypocaloric dieting and walking reduces obesity and improves coronary heart disease risk factors in obese, postmenopausal, African-American and Caucasian Women. J Gerontology 58A(2), 181-189, 2003.
Lynch, N.A., A.S. Ryan, D.M. Berman, J.D. Sorkin, and B.J. Nicklas, Comparison of VO2max and disease risk factors between perimenopausal and postmenopausal women. Menopause, 2002. 9(6): p. 456-62.
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