OBSintermediate
Which placental molecule is identified as the binding partner for pregnancy-associated malaria variant surface antigen?
Answer
Chondroitin sulfate A
Explanation
The slides describe infected erythrocytes binding through pregnancy-associated variant surface antigen to **chondroitin sulfate A** on the syncytiotrophoblast. The other options are not identified as the placental adhesion target in this mechanism. **Key takeaway:** CSA-mediated adhesion is central to placental sequestration in the material.\n\n**Glossary:** **Variant surface antigen**: parasite protein displayed on infected erythrocytes; **intervillous space**: maternal-blood space surrounding placental villi.
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