ArticlePloS one2022
THP-1 cells transduced with CD16A utilize Fcγ receptor I and III in the phagocytosis of IgG-sensitized human erythrocytes and platelets.
Article in PloS one, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 12 citations in OpenAlex.
- Monovalent Anti-FcγRIIA Antibody Blocks Immune-Mediated Thrombocytopenia and Thrombosis With Minimal Adverse Side Effects in Mice.Arteriosclerosis, thrombosis, and vascular biology · 2026Article
- Inhibition of human FcγRIII prevents platelet destruction in a dual-humanized murine model of FNAIT.Blood advances · 2026Article
- In Vitro Phagocytosis Assays.Methods in molecular biology (Clifton, N.J.) · 2026Article
- Microscopy-Based Methods for Measuring Platelet and Red Blood Cell Phagocytosis.Methods in molecular biology (Clifton, N.J.) · 2026Article
- CXCL10/CXCR3 axis facilitates the M2 polarization of macrophages in colorectal cancer via activating RAF.Discover oncology · 2025Article
- Decreased Fc fucosylation aligns with enhanced RSV-specific antibody functionality in adults compared to young children.Communications medicine · 2025Article
- Human Fc gamma receptor IIIA blockade inhibits platelet destruction in a humanized murine model of ITP.Blood advances · 2024Article
- Antibodies from chlamydia-infected individuals facilitate phagocytosis via Fc receptors.Infection and immunity · 2024Article
- Bispecific immune cell engager enhances the anticancer activity of CD16+ NK cells and macrophages in vitro, and eliminates cancer metastasis in NK humanized NOG mice.Journal for immunotherapy of cancer · 2024Article
- Serum from half of patients with immune thrombocytopenia trigger macrophage phagocytosis of platelets.Blood advances · 2023Article
- Cellular surface plasmon resonance-based detection of anti-HPA-1a antibody glycosylation in fetal and neonatal alloimmune thrombocytopenia.Frontiers in immunology · 2023Article
Corrections and comments
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Authors and funding
10 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Fc gamma receptors (FcγRs) are critical effector receptors for immunoglobulin G (IgG) antibodies. On macrophages, FcγRs mediate multiple effector functions, including phagocytosis, but the individual contribution of specific FcγRs to phagocytosis has not been fully characterized. Primary human macrophage populations, such as splenic macrophages, can express FcγRI, FcγRIIA, and FcγRIIIA. However, there is currently no widely available monocyte or macrophage cell line expressing all these receptors. Common sources of monocytes for differentiation into macrophages, such as human peripheral blood monocytes and the monocytic leukemia cell line THP-1, generally lack the expression of FcγRIIIA (CD16A). Here, we utilized a lentiviral system to generate THP-1 cells stably expressing human FcγRIIIA (CD16F158). THP-1-CD16A cells treated with phorbol 12-myristate 13-acetate for 24 hours phagocytosed anti-D-opsonized human red blood cells primarily utilizing FcγRI with a lesser but significant contribution of IIIA while phagocytosis of antibody-opsonized human platelets equally utilized FcγRI and Fcγ IIIA. Despite the well-known ability of FcγRIIA to bind IgG in cell free systems, this receptor did not appear to be involved in either RBC or platelet phagocytosis. These transgenic cells may constitute a valuable tool for studying macrophage FcγR utilization and function.
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