Assistant Professor of Medicine. University of South Florida College of Medicine. 2004
- Present.
Staff Rheumatologist, Section of Rheumatology Bay Pines VA Medical Center. 2003 - Present.
Postdoctoral Fellow, Institute of Molecular Medicine and Genetics, Medical College of Georgia.
1997-1998.
Postdoctoral Fellow, Section of Rheumatology, Department of Medicine, Yale University School of
Medicine. 1991-1995.
Associate Research Scientist, Section of Rheumatology, Department of Medicine, Yale University School
of Medicine. 1995-1997.
Instructor, Department of Microbiology. Heilongjiang Chinese Medical College. 1978-1979.
Peng, SL., JF Madison, MP Madaio, J Ma, MJ Owen, RA Flavell, AC Hayday, and J Craft. 1997.
gdT cell regulation and CD40 ligand dependence in murine
systemic autoimmunity. Journal of Immunology 158:2464.
Ma, J, JC Xu, MP Madaio, Q Peng, J Zhang, IS Grewal, RA Flavell, and J Craft. 1996.
Autoimmune lpr/lpr mice deficient in CD40 ligand; spontaneous Ig class switching with dichotomy of autoantibody responses.
Journal of Immunology 93:396.
Ma, J, N King, SL Chen, R Penny, and S Breit. 1993. Antibody penetration of viable huma
cells; II. Anti-RNP antibodies binding to RNP antigen expressed on cell surface, which may mediate antibody internalization.
Clinical Experimental Immunology 93:396.
Ma J, B Walsh, SL Chen, R Penny and S Breit. 1992. Restoring antibody activity by dissociative
HPLC: demonstration of blocking antibody binding sites with antigen released from effete hybridoma cells. Journal of
Immunological Methods 155:121.
Ma, J, G Chapman, SL Chen, R Penny and S Breit. 1991. Antibody penetration of viable
human cells: I. Increased penetration of hyman lymphocytes by anti-RNP IgG. Clinical Experimental Immunology 84:83.
Ma, J, G Chapman, SL Chen, R Penny and S Breit. 1987. Flow cytometry with crystal violet
detect intracytoplasmic fluorescence in viable human lymphocytes: demonstration of antibody entering living cells. Journal
of Immunology Methods 104:195.
Ma, J, HQ Hu, and SL Chen. 1987. Clinical significance of serum CRP in rheumatic diseases.
Shanghi Journal of Immunology 7:29.
Yuan, JM., MF Chen, MD Zhen, and J Ma. 1985. Clinical significance of urine b2 microglobulin. Shanghai Journal of Immunology 5:34.
Ma, J, SL Chen and H Yu. 1983. Anti-extractable nuclear antigen (ENA) antibodies in
rheumatic diseases. Shanghai Journal of Immunology 3:326.
Ma, J. 2002. Immunopathological changes mediated by penetration of antibodies against intracellular
antigens into living cells in system lupus erythematosus. In Lupus. Ed. by SL Chen. Shanghai Science and
Technology Press, Shanghai, in press.
Ma, J and SL Chen. 1989. Raji cell immunoassay. In Medical Encyclopedia of China:
Immunological Diseases. Ed by XQ Zhang. Shanghai Science and Technology Press, Shanghai, p13.
Ma, J, and SL Chen. 1989. Lupus band test. In Medical Encyclopedia of China: Immunological
Diseases. Ed by XQ Zhang. Shanghai Science and Technology Press, Shanghai, p15.
Ma, J and SL Chen 1989. CREST syndrome. In Medical Encyclopedia of China: Immunological
Diseases. Ed by ZQ Zhang. Shanghai Science and Technology Press, Shanghai, p. 61.
Ma, J and SL Chen. 1988. CREST syndrome. Medical Encyclopedia of China: Rheumatology.
Ed by XQ Zhang. Shanghai Science and Technology Press, Shanghai, p33.
Ma, J and SL Chen. 1985. Lupus mice. World Medicine 3:186.