Training:
B.Sc. (Hon) Biotechnology, University of Leeds, Great Britain, 1988
Ph.D., Columbia University, New York, USA, 1994
Post-doc in mucosal immunology, University of Oslo, 1994-1997

Expertise:
Mucosal immunology and molecular biology

Research Interests:
Function of secretory antibodies, host–commensal microflora interactions and immune regulation at mucosal surfaces.

Professional Service:
Membership in Society of Mucosal Immunology
Membership in Norwegian Society of Immunology

Johansen FE, Pekna M, Norderhaug IN, Haneberg B, Hietala MA, Krajci P, Betsholtz C, Brandtzaeg P.
Absence of epithelial IgA transport, with increased mucosal leakiness, in pIgR/SC-deficient mice.
J Exp Med 1999, 190:915-21.

Johansen FE, Baekkevold ES, Carlsen HS, Farstad IN, Soler D, Brandtzaeg P.
Regional induction of adhesion molecules and chemokine receptors explains disparate homing of human B cells to systemic and mucosal effector sites: dispersion from tonsils.
Blood 2005, 106:593-600.

Wijburg OLC, Uren TK, Simpfendorfer K, Johansen FE, Brandtzaeg P, Strugnell RA.
Innate secretory antibodies protect against natural Salmonella typhimurium infection.
J Exp Med 2006, 203:21-26.

Braathen R, Hohman VS, Brandtzaeg P, Johansen FE.
Secretory antibody formation: conserved binding interactions between J chain and polymeric Ig receptor from humans and amphibians.
J Immunol 2007, 178:1589-1597.

Sandvik A, Wang YY, Morton HC, Aasen AO, Wang JE, Johansen FE.
Oral and systemic administration of beta-glucan protects against LPS-induced shock and organ injury in rats.
Clin Exp Immunol 2007, 148:168-177.