CD68

CD68 molecule
Identifiers
Symbol	CD68
Entrez	968
HUGO	1693
OMIM	153634
RefSeq	NM_001251
UniProt	P34810
Other data
Locus	Chr. 17 p13

CD68 immunostaining demonstrating macrophages and giant cells in a case of xanthogranulomatous pyelonephritis

CD68 (Cluster of Differentiation 68) is a glycoprotein which binds to low density lipoprotein.

It is expressed on monocytes/macrophages.^[1]^[2]

The mouse equivalent is called "macrosialin".

Use in pathology

Immunohistochemistry can be used to identify the presence of CD68, which is found in the cytoplasmic granules of a range of different blood cells and myocytes. It is particularly useful as a marker for the various cells of the macrophage lineage, including monocytes, histiocytes, giant cells, Kupffer cells, and osteoclasts. This allows it to be used to distinguish diseases of otherwise similar appearance, such as the monocyte/macrophage and lymphoid forms of leukaemia (the latter being CD68 negative). Its presence in macrophages also makes it useful in diagnosing conditions related to proliferation or abnormality of these cells, such as malignant histiocytosis, histiocytic lymphoma, and Gaucher's disease.^[3]^[4]

References

↑ Osterne R, Matos-Brito R, Alves AP, et al. (February 2009). "Oral Granulocytic Sarcoma : A case report" (PDF). Med Oral Patol Oral Cir Bucal. 14 (5): E232–5. PMID 19218902. Archived from the original (PDF) on March 6, 2009.
↑ Holness CL, Simmons DL (March 1993). "Molecular cloning of CD68, a human macrophage marker related to lysosomal glycoproteins". Blood. 81 (6): 1607–13. PMID 7680921.
↑ Leong, Anthony S-Y; Cooper, Kumarason; Leong, F Joel W-M (2003). Manual of Diagnostic Cytology (2 ed.). Greenwich Medical Media, Ltd. pp. 135–136. ISBN 1-84110-100-1.
↑ Manduch M, Dexter DF, Jalink DW, Vanner SJ, Hurlbut DJ (January 2009). "Undifferentiated pancreatic carcinoma with osteoclast-like giant cells: Report of a case with osteochondroid differentiation". Pathol. Res. Pract. 205 (5): 353–9. doi:10.1016/j.prp.2008.11.006. PMID 19147301.

External links

CD68 antigen, human at the US National Library of Medicine Medical Subject Headings (MeSH)
CD68 protein, mouse at the US National Library of Medicine Medical Subject Headings (MeSH)

Proteins: clusters of differentiation (see also list of human clusters of differentiation)

1-50	CD1 a-c 1A 1D 1E CD2 CD3 γ δ ε CD4 CD5 CD6 CD7 CD8 a CD9 CD10 CD11 a b c d CD13 CD14 CD15 CD16 A B CD18 CD19 CD20 CD21 CD22 CD23 CD24 CD25 CD26 CD27 CD28 CD29 CD30 CD31 CD32 A B CD33 CD34 CD35 CD36 CD37 CD38 CD39 CD40 CD41 CD42 a b c d CD43 CD44 CD45 CD46 CD47 CD48 CD49 a b c d e f CD50

51-100	CD51 CD52 CD53 CD54 CD55 CD56 CD57 CD58 CD59 CD61 CD62 E L P CD63 CD64 A B C CD66 a b c d e f CD68 CD69 CD70 CD71 CD72 CD73 CD74 CD78 CD79 a b CD80 CD81 CD82 CD83 CD84 CD85 a d e h j k CD86 CD87 CD88 CD89 CD90 CD91 - CD92 CD93 CD94 CD95 CD96 CD97 CD98 CD99 CD100

101-150	CD101 CD102 CD103 CD104 CD105 CD106 CD107 a b CD108 CD109 CD110 CD111 CD112 CD113 CD114 CD115 CD116 CD117 CD118 CD119 CD120 a b CD121 a b CD122 CD123 CD124 CD125 CD126 CD127 CD129 CD130 CD131 CD132 CD133 CD134 CD135 CD136 CD137 CD138 CD140b CD141 CD142 CD143 CD144 CD146 CD147 CD148 CD150

151-200	CD151 CD152 CD153 CD154 CD155 CD156 a b c CD157 CD158 (a d e i k) CD159 a c CD160 CD161 CD162 CD163 CD164 CD166 CD167 a b CD168 CD169 CD170 CD171 CD172 a b g CD174 CD177 CD178 CD179 a b CD180 CD181 CD182 CD183 CD184 CD185 CD186 CD191 CD192 CD193 CD194 CD195 CD196 CD197 CDw198 CDw199 CD200

201-250	CD201 CD202b CD204 CD205 CD206 CD207 CD208 CD209 CDw210 a b CD212 CD213a 1 2 CD217 CD218 (a b) CD220 CD221 CD222 CD223 CD224 CD225 CD226 CD227 CD228 CD229 CD230 CD233 CD234 CD235 a b CD236 CD238 CD239 CD240CE CD240D CD241 CD243 CD244 CD246 CD247 - CD248 CD249

251-300	CD252 CD253 CD254 CD256 CD257 CD258 CD261 CD262 CD263 CD264 CD265 CD266 CD267 CD268 CD269 CD271 CD272 CD273 CD274 CD275 CD276 CD278 CD279 CD280 CD281 CD282 CD283 CD284 CD286 CD288 CD289 CD290 CD292 CDw293 CD294 CD295 CD297 CD298 CD299

301-350	CD300A CD301 CD302 CD303 CD304 CD305 CD306 CD307 CD309 CD312 CD314 CD315 CD316 CD317 CD318 CD320 CD321 CD322 CD324 CD325 CD326 CD328 CD329 CD331 CD332 CD333 CD334 CD335 CD336 CD337 CD338 CD339 CD340 CD344 CD349 CD350

Cluster of differentiation by lineage

Lymphoid

B cell

plasma cell: CD38
CD138

T/NK

T cell	Pan-T antigens: CD3 CD7 CD1 CD4 CD8 CD13 CD18 CD26 CD27 CD28

NK cell	CD16 CD56/NCAM CD57

All	CD2

All

Myeloid

CFU-GM/
Myelomonocyte

MEP

CFU-Meg	CD34/CD36 CD42 CD41/CD61

CFU-E	CD36 CD71

All (pan-myeloid)

CD13
CD33

Stem cell

CD34

Peroxisomal and lysosomal proteins

Enzymes	Mevalonate kinase Catalase Acetyl-CoA C-acyltransferase Glyceronephosphate O-acyltransferase Alkylglycerone phosphate synthase Phytanoyl-CoA dioxygenase HSD17B4 AMACR

Transporters	SLC27A2

Structure/Peroxin	PEX1 PXMP3 PEX3 PEX5 PEX6 PEX7 PEX10 PEX11A PEX11B PEX11G PEX12 PEX13 PEX14 PEX16 PEX19 PEX26

LAMP	CD68 LAMP1 LAMP2 LAMP3

see also intermediates, disorders

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CD68

Use in pathology

See also

References

External links