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Joel Njah, MD, MPH

Global Health Fellow and Research Associate, Environmental and Occupational Health, School of Public Health


MPH, University of Pittsburgh, 2010
MD, University of Yaounde, 1994

Research Interest  
Operational research to improve the prevention of mother-to-child transmission of HIV programs in resource-constrained settings
Molecular mechanistic pathways of mother-to-child transmission of HIV
Pathogenesis of fibrotic lung diseases
Role of inflammatory modulating cells (macrophages, mesenchymal stem cells)-derived extracellular vesicles in health and disease
Therapeutic mechanistic pathways of mesenchymal stem cells and their secretome

Dr. Joel Njah is a Global Health Fellow and a research associate in the Department of Environmental and occupational health at the Graduate School of Public Health, University of Pittsburgh. He is currently enrolled in the PhD program in Clinical and Translational Science at the University of Pittsburgh. His research focus is in the role of bone marrow mesenchymal stem cell (MSC)-derived extracellular vesicles in mitigating fibrotic lung diseases, including idiopathic pulmonary fibrosis and silicosis. As a global health fellow, his interest is in operational/implementation research to improve prevention of mother-to-child transmission of HIV programs in Sub-Saharan Africa (SSA). He was formerly a primary health care/family medicine practicing physician for over six years in different resource-constrained and underserved regions of SSA.
Recent Grants
Title: Mesenchymal stem cells in the treatment of lung injury
Role: Co-Investigator
Funding Agency: National Institute of Health (NIH), NHLBI
Start Year: 2009
End Year: 2013

Recent Peer-Reviewed Publications
Njah j, Fazzi F, Giuseppe M, Winnica DE, Go K, Sala E, St Croix CM, Watkins SC, Ortiz LA. TNFR1/phox interaction and TNFR1 mitochondrial translocation Thwart silica-induced pulmonary fibrosis. The Journal of Immunology. 2014; 192(8): 3837-3846.
Phinney DG, Di Giuseppe M, Njah J. Mesenchymal stem cells use extracellular vesicles to outsource mitophagy and shuttle microRNAs. Nat Commun. 2015; 6: 8472.
For Pub Med search results, click here.