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Sean Xiao Leng, M.D., Ph.D.

Photo of Dr. Sean Xiao Leng, M.D., Ph.D.

Associate Professor of Medicine

Male

Languages: English, Chinese

Expertise: Geriatric Medicine

Research Interests: International collaborative development of geriatrics and aging research programs; Molecular virology: assessment of chronic cytomegalovirus infection and its contribution to chronic inflammation and immunosenescence in older adults; Immune response to and protection from influenza immunization in frail elderly; Cytokinology: IL-6 and other cytokine dysregulations in frail older adults; Chronic inflammation, immune activation, and their role in the pathogenesis of frailty; Aging of the innate and adaptive immune system ...read more

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Locations

Johns Hopkins Bayview Medical Center
Appointment Phone: 410-550-0925

5501 Hopkins Bayview Circle
Asthma and Allergy Center
Baltimore, MD 21224 map
Phone: 410-550-2494
Fax: 410-550-3143

Background

Dr. Sean X. Leng is an associate professor of medicine at the Johns Hopkins University School of Medicine. His areas of clinical expertise include geriatric medicine.

Dr. Leng earned his M.D. from Jiangxi Medical College and his Ph.D. from Texas A&M University Health Sciences Center. He completed his residency at Mount Sinai St. Luke's - Roosevelt Hospitals and performed a fellowship in geriatric medicine and gerontology at Johns Hopkins.

His research interests include international collaborative development of geriatrics and aging research programs.

In 2007 Dr. Leng received the Paul Beeson Career Development Award in Aging Research, one of the most prestigious in the field of geriatric research.

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Titles

  • Associate Professor of Medicine

Education

Degrees

  • MD, Jiangxi Medical College (1984)

Residencies

  • Mount Sinai St. Luke's - Roosevelt Hospitals / Medicine (2000)

Fellowships

  • Yale University School of Medicine (1997)
  • Johns Hopkins Bayview Medical Center / Geriatric Medicine and Gerontology (2002)

Board Certifications

  • American Board of Internal Medicine / Geriatric Medicine (2002, 2012)

Additional Training

  • Texas A&M University / Ph.D. (1995)

Research & Publications

Selected Publications

View all on Pubmed

Li HF, Mao GX, Carlson J, and Leng SX. A novel flow cytometry-based tool for determining the efficiency of human cytomegalovirus infection in THP-1 derived macrophages. J. Virological Methods 2015; 221:127-30.

Piggott DA, Varadhan R, Mehta SH, Brown TT, Li H, Walston JD, Leng SX, Kirk GD. Frailty, Inflammation, and Mortality Among Persons Aging With HIV Infection and Injection Drug Use. J Gerontol A Biol Sci Med Sci. 2015 Dec; 70(12):1542-7.

Leng SX, Dandorf S, LI HF, Carlson, J, Hui J, Mehta SH, Piggott DA, Islam S, Manwani B, and Kirk GD. Associations of Circulating Soluble Tumor Necrosis Factor-α Receptors 1 and 2 with Interleukin-6 Levels in an Aging Cohort of Injection Drug Users with or at high risk for HIV infection. AIDS Res. Human Retroviruses 2015 Dec; 31(12):1257-64.

Ning XX, Ouyang M, and Leng SX. The geriatric syndrome of frailty: role of inflammation and immune activation. Chin. J. Geri. (in press)

Mao GX, Li HF, Wang GF, and Leng SX. Sirtinol suppresses human cytomegalovirus (hCMV) infection and hCMV-induced cellular senescence and production of reactive oxygen species in human fibroblasts. Mechanisms Ageing Development 2016 (in press)

Activities & Honors

Honors

  • Paul Beeson Career Development Award in Aging Research, 2007

Professional Activities

  • Faculty Development Program, Johns Hopkins University, 2002 - 2003
  • Faculty leadership training, Johns Hopkins University School of Medicine, 2006 - 2007
  • Special Volunteer, National Institute on Aging, 2001 - 2002
    Gerontology Research Center
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