Korean J Parasitol.  2019 Apr;57(2):201-206. 10.3347/kjp.2019.57.2.201.

Production of Inflammatory Cytokines and Nitric Oxide by Human Mast Cells Incubated with Toxoplasma gondii Lysate

  • 1Department of Environmental Medical Biology and Institute of Tropical Medicine, Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul 03722, Korea.
  • 2Department of Environmental Biology and Medical Parasitology, Hanyang University College of Medicine, Seoul 04763, Korea. mhahn@hanyang.ac.kr


The roles of mast cells in allergic diseases and helminth infections are well known. However, the roles of mast cells in T. gondii infection is poorly understood. This study was focused on the production of pro-inflammatory cytokines (TNF-α, IL-4), chemokines (CXCL8, MCP-1) and nitric oxide (NO) by mast cells in response to soluble lysate of T. gondii tachyzoites. Production of CXCL8 (IL-8), MCP-1, TNF-α and IL-4 were measured by RT-PCR and ELISA. Western blot were used for detection of CXCR-1 and CXCR2. Our results showed that T. gondii lysates triggered mast cells to release CXCL8, MCP-1, TNF-α, IL-4 and to produce NO. This suggests that mast cells play an important role in inflammatory responses to T. gondii.


Toxoplasma gondii; mast cell; cytokine; nitric oxide
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