Atlas One · Host Biology · Scale 03 — Molecular

CD20

B-lymphocyte surface antigen (MS4A1); expressed on pre-B through memory B cells; absent on plasma cells. Targeted by anti-CD20 monoclonal antibodies (rituximab, obinutuzumab); R-CHOP is frontline for DLBCL; CD20-negative escape post-rituximab is a resistance mechanism in NHL.

Also known as: CD20, MS4A1, B1 antigen, Bp35, membrane-spanning 4-domains A1, anti-CD20, rituximab target

Scale 03 — MolecularScale
draftStatus
2026-06-06Last Reviewed
This is an auto-generated stub page built from atlas entry frontmatter. A richer hand-crafted page is planned. See the atlas source for the full entry including detailed body sections.
cd20

CD20

B-lymphocyte surface antigen (MS4A1); expressed on pre-B through memory B cells; absent on plasma cells. Targeted by anti-CD20 monoclonal antibodies (rituximab, obinutuzumab); R-CHOP is frontline for DLBCL; CD20-negative escape post-rituximab is a resistance mechanism in NHL.

Entry Metadata

FieldValue
IDcd20
NameCD20
Statusdraft
Last reviewed2026-06-06
Atlas01-human
Scale03-molecular

Cross-Atlas Connections

connects-toNf Kb connects-toBcl 2 connects-toMyc connects-toMhc Class Ii

Sources