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We are interested in understanding the pathogenesis of tuberculosis and the basis of vastly different susceptibilities to this disease. Tuberculous infection results in the formation of granulomas, complex immune structures that are composed of differentiated macrophages, lymphocytes and other immune cells. However, bacteria can persist within granulomas despite the development of antigen-specific immunity. To understand the mechanistic basis of mycobacterial persistence, the mechanisms of granuloma formation and its role in tuberculosis, we have developed the zebrafish as model to study immunity to tuberculosis. Zebrafish are naturally susceptible to tuberculosis caused by Mycobacterium marinum, a close genetic relative of M. tuberculosis, the agent of human tuberculosis. We exploit the optical transparency and genetic tractability of the zebrafish to monitor the infection process in real-time and modulate it using genetically defined host and bacterial mutants. We have employed both forward and reverse genetics to understand the basis of host resistance and susceptibility to TB. Our research is shedding light on TB pathogenesis as well as fundamental mechanisms of immune cell chemotaxis, adhesion and aggregation as well as immune regulation. Findings made in the zebrafish have been borne out in human populations and are informing new strategies for intervention.
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论文共 155 篇作者统计合作学者相似作者
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Chandrasekaran Padmapriyadarsini,John D. Szumowski,Nabila Akbar,Prema Shanmugasundaram,Anilkumar Jain, Marasamy Bathragiri, Manoranjan Pattnaik,Jyotirmayee Turuk,Ramesh Karunaianantham, Senthilkumar Balakrishnan,Sanghamitra Pati,A. K. Hemanth Kumar,
CLINICAL PHARMACOLOGY & THERAPEUTICSno. 2 (2024): 324-332
Jingwen Fan, Victoria L Hale,Lindsey T Lelieveld,Laura J Whitworth, Elisabeth M Busch-Nentwich,Mark Troll,Paul H Edelstein,Timothy M Cox,Francisco J Roca,Johannes M F G Aerts,Lalita Ramakrishnan
M Alexandra Lake,Kristin N Adams, Feilin Nie, Elaine Fowler,Amit K Verma,Silvia Dei,Elisabetta Teodori,David R Sherman,Paul H Edelstein,David R Spring,Mark Troll,Lalita Ramakrishnan
Disease models & mechanismsno. 3 (2023)
Antonio J. Pagan,Lauren J. Lee,Joy Edwards-Hicks,Cecilia B. Moens,David M. Tobin,Erika L. Pearce, Elisabeth Busch-Nentwich,Lalita Ramakrishnan
JOURNAL OF IMMUNOLOGYno. 1 (2022)
Antonio J Pagán,Lauren J Lee,Joy Edwards-Hicks,Cecilia B Moens,David M Tobin, Elisabeth M Busch-Nentwich,Erika L Pearce,Lalita Ramakrishnan
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