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CD68 immunostaining demonstrating macrophages and giant cells in a case of xanthogranulomatous pyelonephritis CD68 ( C luster of D ifferentiation 68) is a protein highly expressed by cells in the monocyte lineage (e.g., monocytic phagocytes , osteoclasts ), by circulating macrophages , and by tissue macrophages (e.g., Kupffer cells , microglia ).
Structurally, the lamp proteins consist of two internally homologous lysosome-luminal domains separated by a proline-rich hinge region; at the C-terminal extremity there is a transmembrane region (TM) followed by a very short cytoplasmic tail (C). In each of the duplicated domains, there are two conserved disulfide bonds. This structure is ...
CD68: 110 kDa highly glycosylated transmembrane protein which is mainly located in lysosomes. Present in macrophages in many human tissues including Kupffer's cells and macrophages in the red pulp of the spleen, in lung alveoli, in lamina propria of the gut, and in the bone marrow.
Lysosomal-associated membrane protein 1 (LAMP-1) also known as lysosome-associated membrane glycoprotein 1 and CD107a (Cluster of Differentiation 107a), is a protein that in humans is encoded by the LAMP1 gene. The human LAMP1 gene is located on the long arm (q) of chromosome 13 at region 3, band 4 (13q34).
Macrophages are highly variable in size and morphology, their cytoplasm contains numerous acid phosphatase laden lysosomes – in relation to their specialised phagocytic function. They express CD68. Dendritic cells have an indented (bean-shaped) nucleus and cytoplasm with thin processes (dendritic).
239739 Ensembl ENSG00000078081 ENSMUSG00000041247 UniProt Q9UQV4 Q7TST5 RefSeq (mRNA) NM_014398 NM_177356 RefSeq (protein) NP_055213 NP_796330 Location (UCSC) Chr 3: 183.12 – 183.16 Mb Chr 16: 19.47 – 19.53 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Lysosome-associated membrane glycoprotein 3 (LAMP3, Lamp3) is a protein that in humans is encoded by the LAMP3 gene. It is one ...
Multinucleated giant cells due to an infection. H&E stain.. A giant cell (also known as a multinucleated giant cell, or multinucleate giant cell) is a mass formed by the union of several distinct cells (usually histiocytes), often forming a granuloma.
A lysosome (/ ˈ l aɪ s ə ˌ s oʊ m /) is a single membrane-bound organelle found in many animal cells. [1] [2] They are spherical vesicles that contain hydrolytic enzymes that digest many kinds of biomolecules. A lysosome has a specific composition, of both its membrane proteins and its lumenal proteins.
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