2010
DOI: 10.1177/147323001003800501
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An Overview of Cyclophilins in Human Cancers

Abstract: Cyclophilins (Cyps) belong to a group of proteins that have peptidyl-prolyl cis-trans isomerase (PPIase) and molecular chaperone activities. Originally, Cyps were identified as the intracellular receptors for the immunosuppressive drug cyclosporin A. Cyps are found in all prokaryotes and eukaryotes, and have been structurally conserved throughout evolution, implying their importance in cellular function. There are seven major Cyp isoforms in humans. CypA is up-regulated in many human cancers, and there is a st… Show more

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Cited by 46 publications
(42 citation statements)
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“…The majority of the N-termini 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 The 379 proteins detected as being N-terminally acetylated in the IEF fractionated and PPIA is a peptidyl-prolyl cis-trans isomerase (PPIase), a family of proteins with molecular chaperone functions that also catalyse a rate-limiting protein folding process. PPIA falls directly under the transcriptional control of p53 and HIF1 alpha and has been implicated in a number of cancers with expression levels correlating to malignant transformation 33,34 .…”
Section: Discussionmentioning
confidence: 99%
“…The majority of the N-termini 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 The 379 proteins detected as being N-terminally acetylated in the IEF fractionated and PPIA is a peptidyl-prolyl cis-trans isomerase (PPIase), a family of proteins with molecular chaperone functions that also catalyse a rate-limiting protein folding process. PPIA falls directly under the transcriptional control of p53 and HIF1 alpha and has been implicated in a number of cancers with expression levels correlating to malignant transformation 33,34 .…”
Section: Discussionmentioning
confidence: 99%
“…Its expression is an independent indicator of overall survival (35) and the inhibition of AXL in MM tumours with strong AXL expression is associated with inhibition of proliferation and invasiveness (36). PPIA (CypA) is a peptidyl-prolyl cis-trans isomerase, which is upregulated in a range of solid cancers (37). CypA has been shown to stimulate cell motility and invasion by binding to the adaptor protein CrkII and preventing it from switching to its inactive form (38).…”
Section: Cancer Genomics and Proteomicsmentioning
confidence: 99%
“…CyP-D belongs to cyclophilin proteins family that have got seven major isoforms found in subcellular compartments including the cytoplasm (CyP-D, CyP-NK, CyP-40), endo (sarco) plasmic reticulum (CyP-B, CyP-C), nucleus (CyP-E) and mitochondria (CyP-D), [109]. Mitochondrial CyP-D is a nuclear encoded protein that contains a mitochondrial targeting presequence which is cleaved after its translocation from mitochondria matrix into the inner membrane [110].…”
Section: Mitochondrial Cyp-d Opens Mpt Pore-dependent Necrosis In Td-mentioning
confidence: 99%