Fatty acid-binding protein

The fatty-acid-binding proteins (FABPs) are a family of transport proteins for fatty acids and other lipophilic substances such as eicosanoids and retinoids.[1][2] These proteins are thought to facilitate the transfer of fatty acids between extra- and intracellular membranes.[3] Some family members are also believed to transport lipophilic molecules from outer cell membrane to certain intracellular receptors such as PPAR.[4] Levels of fatty-acid-binding protein have been shown to decline with ageing in the mouse brain, possibly contributing to age-associated decline in synaptic activity.[5]

Family members

Members of this family include:

Protein name Gene Tissue distribution Comment
FABP 1 FABP1 liver
FABP 2 FABP2 intestinal
FABP 3 FABP3 muscle and heart mammary-derived growth inhibitor
FABP 4 FABP4 adipocyte
FABP 5 FABP5 epidermal psoriasis-associated
FABP 6 FABP6 ileal gastrotropin
FABP 7 FABP7 brain
FABP 8 PMP2 peripheral nervous system peripheral myelin protein 2
FABP 9 FABP9
FABP 11 fabp11 restricted to fishes
FABP 12 FABP12 presence shown in human retinoblastoma cell lines, rodent retina and testis.[6]
FABP 5-like 1 FABP5L1
FABP 5-like 2 FABP5L2
FABP 5-like 3 FABP5L3
FABP 5-like 4 FABP5L4
FABP 5-like 5 FABP5L5
FABP 5-like 6 FABP5L6
FABP 5-like 7 FABP5L7

References

  1. Chmurzyńska A (2006). "The multigene family of fatty acid-binding proteins (FABPs): function, structure and polymorphism". Journal of Applied Genetics. 47 (1): 39–48. doi:10.1007/BF03194597. PMID 16424607.
  2. Smathers RL, Petersen DR (Mar 2011). "The human fatty acid-binding protein family: evolutionary divergences and functions". Human Genomics. 5 (3): 170–191. doi:10.1186/1479-7364-5-3-170. PMC 3500171Freely accessible. PMID 21504868.
  3. Weisiger RA (Oct 2002). "Cytosolic fatty acid binding proteins catalyze two distinct steps in intracellular transport of their ligands". Molecular and Cellular Biochemistry. 239 (1-2): 35–43. doi:10.1023/A:1020550405578. PMID 12479566.
  4. Tan NS, Shaw NS, Vinckenbosch N, Liu P, Yasmin R, Desvergne B, Wahli W, Noy N (Jul 2002). "Selective cooperation between fatty acid binding proteins and peroxisome proliferator-activated receptors in regulating transcription". Molecular and Cellular Biology. 22 (14): 5114–27. doi:10.1128/MCB.22.14.5114-5127.2002. PMC 139777Freely accessible. PMID 12077340.
  5. Pu L, Igbavboa U, Wood WG, Roths JB, Kier AB, Spener F, Schroeder F (Aug 1999). "Expression of fatty acid binding proteins is altered in aged mouse brain". Molecular and Cellular Biochemistry. 198 (1-2): 69–78. doi:10.1023/A:1006946027619. PMID 10497880.
  6. Liu RZ, Li X, Godbout R (Dec 2008). "A novel fatty acid-binding protein (FABP) gene resulting from tandem gene duplication in mammals: transcription in rat retina and testis". Genomics. 92 (6). doi:10.1016/j.ygeno.2008.08.003. PMID 18786628.

External links



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