Review Article

Circulating Monocytes, Tissue Macrophages, and Malaria

Table 1

Diverse cell types mediate malaria-induced immune response and injury.

Cell typeLocationFunction

Kupffer cellLiver(i) Phagocytosis of infected RBCs
(ii) Recruitment of other immune cells by secretion of cytokines
(iii) Prevention of parasitic infection in hepatocytes
(iv) Limiting infection through induction of apoptosis

Splenic macrophagesSpleen(i) Secretion of cytokines
Circulating monocytesBlood(ii) Phagocytosis of infected RBCs

MicrogliaCNS(i) Induce accumulation of perivascular macrophages
(ii) Secretion of cytokines

Hofbauer cells (fetal)Placenta(i) Phagocytosis of infected RBCs
(ii) Secretion of cytokines
(iii) Interaction between maternal/fetal immunity
Intervillous monocytes (maternal)
Decidual macrophages (maternal)

Description of immune cells involved in malaria response by location/origin and function. CNS, central nervous system; RBC, red blood cell.