Table of Contents
CD60 (CDw60) | CD60a | CD60b | CD60c | CD61 | CD62 | CD63 | CD64 | CD65 | CD65s | CD66 | CD66b (formerly CD67) | CD66c | CD66d | CD66e / CEA | CD66f | CD68 | CD69 | Microscopic (histologic) imagesCite this page: Pernick N. CD60-69. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/cdmarkerscd60.html. Accessed November 27th, 2024.
CD60 (CDw60)
- Use of CD60, CDw60 and CD60a, CD60b and CD60c is inconsistent
- Not proteins but oligosaccharides present on gangliosides
- Antibodies provide costimulatory signals for T cells
- Expressed on most T cells in autoimmune lesions (Immunol Invest 2001;30:67)
- CD8+ CD60+ T cells may regulate IgE memory responses and isotype switching (Hum Immunol 2005;66:1029)
- Associated with Th1 immune response in skin (Br J Dermatol 2003;149:739)
- No significant clinical use by pathologists
- Positive staining - normal:
- Platelets, T cells (30%), thymic epithelium, activated keratinocytes, melanocytes, synovial fibroblasts, glomeruli, smooth muscle cells and astrocytes (Carbohydr Res 2000;329:791)
- Also epithelium of reproductive system, exocrine and endocrine glands (Histochem J 2000;32:447)
- Positive staining - disease: T cells in rheumatoid arthritis and psoriasis, monocytes in cutaneous T cell lymphoma (Acta Derm Venereol 2001;81:263)
- Negative staining: B cells, granulocytes and monocytes
- Reference: Glycoforum: Glycolipid [Accessed 5 May 2021]
CD60a
CD60b
- 9-O-acetyl-GD3 - carbohydrate structure
- Intracellular regulators of apoptosis in T lymphocytes (Glycobiology 2011;21:1161)
- Expressed during rat central nervous system development and mainly associated with neuronal migration (Stem Cells Int 2017;2017:5759490)
- Other names: UM4D4
- Positive stains: subsets of CD4+ and CD8+ peripheral T cells, platelets and monocytes
CD60c
CD61
- See CD61
CD62
- See Selectins
CD63
- See CD63
CD64
- Also called Fc gamma RI, CD64A
- High affinity receptor binds to Fc region of IgG
- Important in phagocytosis via receptor mediated endocytosis of IgG antigen complexes
- Mediates antigen capture for presentation to T cells, antibody dependent cellular cytotoxicity, release of cytokines and reactive oxygen intermediates
- Also binds to C reaction protein and mediates its effects (J Biol Chem 2005;280:25095)
- Denge fever immune complexes enter macrophages via CD64 (J Virol 2006;80:10128)
- Uses by pathologists:
- High neutrophil CD64 levels predict sepsis (Arch Pathol Lab Med 2006;130:654, Lab Hematol 2005;11:137)
- Early onset of infection in neonates (Pediatr Res 2004;56:796)
- Infection in rheumatoid arthritis patients (J Rheumatol 2006;33:2416)
- Positive staining - normal: antigen presenting cells including macrophages / monocytes, activated granulocytes and dendritic cells; also early myeloid cells
- Positive staining - disease: AML M3 (usually); M4, M5, M0 - M2 (variable) (Am J Clin Pathol 1998;110:797)
- Negative staining: AML M7
- Reference: OMIM: 146760 [Accessed 5 May 2021]
CD65
- Also called VIM2, ceramide dodecasaccharide, dimeric sialyl CD15
- Adhesive carbohydrate (not a protein) that appears to be significant risk factor for extravascular AML infiltration (Leuk Res 2001;25:847)
- Uses by pathologists: myeloid antigen used in flow cytometry
- Positive staining - normal: myeloid cells, monocytes
- Positive staining - disease: AML
- Negative staining: lymphocytes
CD65s
- Also called sialylated CD65
- Carbohydrate antigen, not a protein
- Appears when CD34 antigen disappears
- Antibodies may either recognize CD65s (sialylated) or CD65 (nonsialylated)
- Uses by pathologists: for acute leukemia cell typing and to identify a subset of pre-B ALL (Am J Clin Pathol 2002;117:380)
- Positive staining - normal: granulocytes, monocytes
- Positive staining - disease: myeloid leukemia, low levels in AML M0 - M1 (Leukemia 2003;17:1544)
CD66
- Also called CEACAM1, biliary glycoprotein, BGP, C-CAM, CD66A
- Primordial protein of carcinoembryonic antigen (CEA) family
- Cell adhesion molecule capable of activating neutrophils
- Receptor for Neisseria gonorrhoeae and N. meningitides; binding prevents epithelial detachment, a defense mechanism that hinders colonization (J Cell Biol 2005;170:825)
- CD66a+ B cells are also killed by N. gonorrhoeae (Infect Immun 2005;73:4171)
- With osteopontin, may mediate invasion of extravillous trophoblast at maternal fetal interface (J Clin Endocrinol Metab 2005;90:5407)
- Interactions with CEA inhibit NK cell cytotoxicity (J Immunol 2005;174:6692)
- Downregulated in:
- Breast (J Histochem Cytochem 1997;45:957)
- Colorectal, endometrial, hepatocellular, prostate (particularly Gleason grade 4/5) (Hum Pathol 2002;33:290)
- Renal cell carcinoma (J Pathol 2004;204:258)
- Uses by pathologists: expression predicts metastases in cutaneous melanoma (J Clin Oncol 2002;20:2530)
- Positive staining - normal: granulocytes, lymphocytes, epithelial cells, endothelial cells, prostate glands and ducts (dense), bile canaliculi between liver cells, extravillous trophoblast (Am J Pathol 2000;156:1165)
- Positive staining - disease: low grade prostate carcinoma
- Negative staining: high grade (Gleason 4/5) prostate carcinoma
- Reference: OMIM: 109770 [Accessed 5 May 2021]
CD66b (formerly CD67)
- Also called CEACAM8. NCA-95 and CGM6; formerly CD67
- Cell adhesion molecule capable of activating neutrophils
- Increased expression on peripheral blood neutrophils and eosinophils of rheumatoid arthritis patients (Scand J Immunol 1999;50:433)
- Uses by pathologists: marker for granulocytes
- Positive staining - normal: granulocytes
- Positive staining - disease: chronic myelogenous leukemia, cardiomyocytes in areas of infarction (Cancer Res 1990;50:6534, Cardiovasc Res 1999;41:603)
CD66c
- Also called nonspecific cross reactive antigen, CEACAM6, NCA 50/90
- Cell adhesion molecule capable of activating neutrophils
- No significant clinical use by pathologists
- Positive staining - normal: granulocytes
- Positive staining - disease: ALL (43%) (BMC Cancer 2005;5:38)
- Reference: OMIM: 163980 [Accessed 5 May 2021]
CD66d
- Also called CEACAM3, CGM1
- Cell adhesion molecule capable of activating neutrophils
- Has important role in control of pathogens by the innate (opsonin independent) immune system (Wikipedia: Innate Immune System [Accessed 5 May 2021], J Exp Med 2004;199:35)
- Used by Neisseria. gonorrhoeae, Moraxella catarrhalis and Hemophilus influenzae to anchor themselves to and invade host cells
- N. gonorrheae has an opacity associated (Opa) protein that binds to CEACAM3 (J Biol Chem 2001;276:17413)
- No significant clinical use by pathologists
- Positive staining - normal: granulocytes
- Reference: OMIM: 609142 [Accessed 5 May 2021]
CD66e / CEA
- See CD66e / CEA
CD66f
- Also called pregnancy specific beta 1 glycoprotein, PSG1
- May be involved in immune regulation, protection of fetus from maternal immune system
- Released into maternal circulation during pregnancy
- Low levels in maternal blood predict spontaneous abortion
- No significant clinical use by pathologists
- Positive staining - normal: syncytiotrophoblasts, fetal liver and myeloid cells
- Positive staining - disease: hydatidiform and invasive moles, choriocarcinoma (J Clin Pathol 1977;30:19)
- Reference: OMIM: 176390 [Accessed 5 May 2021]
CD68
- See CD68
CD69
- Also called activation inducer molecule (AIM), early activation antigen (EA1)
- Earliest inducible cell surface glycoprotein acquired during lymphoid activation
- Involved in early events of T cell, NK cell, monocyte and platelet activation
- Associated with Th1 T cell differentiation and associated cytokines (IL2, TNF alpha, interferon gamma) (Hum Pathol 2002;33:330)
- Highly expressed on T cells from inflammatory infiltrates of rheumatoid arthritis, viral hepatitis and autoimmune thyroid disorders (Clin Exp Rheumatol 2004;22:331)
- Expression on CD3+ and CD8+ peripheral blood T cells correlates with acute graft rejection in renal allograft recipients (Transplantation 2003;76:190)
- May promote lymphocyte retention in lymphoid organs (Nature 2006;440:540)
- No significant clinical use by pathologists
- Positive staining - normal: activated T cells, B cells, NK cells, neutrophils, eosinophils, epidermal Langerhans cells, platelets and thymocytes
- Positive staining - disease: peripheral T cell lymphoma (Am J Clin Pathol 2003;120:866)
- Reference: OMIM: 107273 [Accessed 5 May 2021]
Microscopic (histologic) images
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