Macrophage inflammatory protein: Difference between revisions

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==See also==
==See also==
* [[chemokine]]
* [[Chemokine]]


==References==
==References==

Latest revision as of 03:52, 14 January 2019

chemokine (C-C motif) ligand 3
File:1b53.png
Human Mip-1α dimer D26A mutant. PDB 1b53.[1] Disulfide bonds highlighted.
Identifiers
SymbolCCL3
Alt. symbolsSCYA3, MIP-1α
Entrez6348
HUGO10627
OMIM182283
PDB1B50 More structures
RefSeqNM_002983
UniProtP10147
Other data
LocusChr. 17 q12
chemokine (C-C motif) ligand 4
File:1hum.png
Human Mip-1β dimer. PDB 1hum.[2] Disulfide bonds highlighted.
Identifiers
SymbolCCL4
Alt. symbolsSCYA4, MIP-1β, LAG1
Entrez6351
HUGO10630
OMIM182284
PDB1HUM More structures
RefSeqNM_002984
UniProtP13236
Other data
LocusChr. 17 q21-q23

Macrophage Inflammatory Proteins (MIP) belong to the family of chemotactic cytokines known as chemokines. In humans, there are two major forms, MIP-1α and MIP-1β that are now officially named CCL3 and CCL4, respectively. Both are major factors produced by macrophages after they are stimulated with bacterial endotoxin.[3] They are crucial for immune responses towards infection and inflammation.[4] They activate human granulocytes (neutrophils, eosinophils and basophils) which can lead to acute neutrophilic inflammation. They also induce the synthesis and release of other pro-inflammatory cytokines such as interleukin 1 (IL-1), IL-6 and TNF-α from fibroblasts and macrophages. The genes for CCL3 and CCL4 are both located on human chromosome 17.[5]

They are produced by many cells, particularly macrophages, dendritic cells, and lymphocytes.[6] MIP-1 are best known for their chemotactic and proinflammatory effects but can also promote homeostasis.[6] Biophysical analyses and mathematical modelling has shown that MIP-1 reversibly forms a polydisperse distribution of rod-shaped polymers in solution. Polymerization buries receptor-binding sites of MIP-1, thus depolymerization mutations enhance MIP-1 to arrest monocytes onto activated human endothelium.[4]

See also

References

  1. Czaplewski, L. G.; McKeating, J.; Craven, C. J.; Higgins, L. D.; Appay, V.; Brown, A.; Dudgeon, T.; Howard, L. A.; Meyers, T.; Owen, J.; Palan, S. R.; Tan, P.; Wilson, G.; Woods, N. R.; Heyworth, C. M.; Lord, B. I.; Brotherton, D.; Christison, R.; Craig, S.; Cribbes, S.; Edwards, R. M.; Evans, S. J.; Gilbert, R.; Morgan, P.; Randle, E.; Schofield, N.; Varley, P. G.; Fisher, J.; Waltho, J. P.; Hunter, M. G. (1999). "Identification of amino acid residues critical for aggregation of human CC chemokines macrophage inflammatory protein (MIP)-1alpha, MIP-1beta, and RANTES. Characterization of active disaggregated chemokine variants". The Journal of Biological Chemistry. 274 (23): 16077–16084. doi:10.1074/jbc.274.23.16077. PMID 10347159.
  2. Lodi, P. J.; Garrett, D. S.; Kuszewski, J.; Tsang, M. L.; Weatherbee, J. A.; Leonard, W. J.; Gronenborn, A. M.; Clore, G. M. (1994). "High-resolution solution structure of the beta chemokine hMIP-1 beta by multidimensional NMR". Science. 263 (5154): 1762–1767. doi:10.1126/science.8134838. PMID 8134838.
  3. Sherry B, Tekamp-Olson P, Gallegos C, Bauer D, Davatelis G, Wolpe SD, Masiarz F, Coit D, Cerami A (December 1988). "Resolution of the two components of macrophage inflammatory protein 1, and cloning and characterization of one of those components, macrophage inflammatory protein 1 beta". J. Exp. Med. 168 (6): 2251–9. doi:10.1084/jem.168.6.2251. PMC 2189160. PMID 3058856.
  4. 4.0 4.1 Ren M, Guo Q, Guo L, et al. (December 2010). "Polymerization of MIP-1 chemokine (CCL3 and CCL4) and clearance of MIP-1 by insulin-degrading enzyme". EMBO J. 29 (23): 3952–66. doi:10.1038/emboj.2010.256. PMC 3020635. PMID 20959807.
  5. Irving SG, Zipfel PF, Balke J, McBride OW, Morton CC, Burd PR, Siebenlist U, Kelly K (June 1990). "Two inflammatory mediator cytokine genes are closely linked and variably amplified on chromosome 17q". Nucleic Acids Res. 18 (11): 3261–70. doi:10.1093/nar/18.11.3261. PMC 330932. PMID 1972563.
  6. 6.0 6.1 Maurer M, von Stebut E (October 2004). "Macrophage inflammatory protein-1". Int. J. Biochem. Cell Biol. 36 (10): 1882–6. doi:10.1016/j.biocel.2003.10.019. PMID 15203102.

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