Research Group Principal Investigator

    T. Sakari Jokiranta, MD, PhD
    Specialist in Clinical Microbiology, Docent, Senior Lecturer

    Haartman Institute
    Department of Bacteriology and Immunology, Room B324
    P.O. Box 21, Haartmaninkatu 3 00014 University of Helsinki Finland

    Tel: +358 2941 26384
    Mobile + 358 505471184
    Email: sakari.jokiranta [at]


Contact Information

Postal Address
Immunobiology Research Program
P.O.Box 21, Haartmaninkatu 3
FI-00014 University of Helsinki

Visiting Address
Haartman Institute
Haartmaninkatu 3
00290 Helsinki

Tel. +358 2941 1911 (tel. exchange)
Fax + 358 2941 26382
Email name.lastname [at]

Jokiranta Research Group - Presentation

MicroscopeJokiranta research group is lead by T. Sakari Jokiranta at the Haartman-institute, University of Helsinki. The focus of the research is in function of an important arm of innate immunity, the alternative pathway of complement. The main question is how that system leaves the host structures intact while destroying the invading pathogenic microbes. Read more about the current projects to answer to the main question.