Julia Johnson Ph.D.

Dr. Julia A. Johnson is a postdoctoral research fellow at the New York Obesity Research Center. Her major research interest is fat cell metabolism in relation to metabolic disorders in obesity. In particular, she is interested in the hormonal and cellular mechanisms that may explain the association of excess upper body (visceral and subcutaneous abdominal) adipose tissue with diabetes and cardiovascular disease. She completed her Ph.D. in Nutritional Biochemistry at the Institute of Human Nutrition at Columbia University in 1999. Her Ph.D. dissertation research demonstrated that visceral obesity is independently related to impaired insulin regulation of lipolysis and glucose transport in subcutaneous fat cells from Caucasian and African-American women.

Her research interests also include the following:

1. Alterations in triglyceride turnover and cytokine production in HIV-infected subjects with body fat redistribution
2. The regulation of leptin-mediated lipolysis in adipose tissue
3. The role of leptin in PPAR-gamma agonist-mediated weight gain.

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CONTACT INFORMATION:
Julia A. Johnson, Ph.D.
Obesity Research Center
Babcock Bldg. Rm. 1022
1111 Amsterdam Avenue
New York, NY 10025
Phone: (212) 523-4165
FAX: (212) 523-4830
email: jaj7@columbia.edu

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