Recombinant Human Ras-related protein Rab-27A (RAB27A)

1. These results collectively suggest that the active form of Rab27a enhances human parainfluenza virus type 2 growth by promoting transport of F and HN proteins to the plasma membrane. PMID: 29374787
2. A novel Rab27a mutation binds melanophilin, but not Munc13-4, causing immunodeficiency without albinism. PMID: 27016801
3. We reported the first patient with GS2 in Thailand. The patient was compound heterozygous for two novel mutations, c.109A>T (p.K37X) and c.318T>G (p.S106R). We reported the first case of a successful prenatal diagnosis for GS2. The result revealed that the fetus carried the p.K37X, but not the p.S106R (Fig. C), suggesting that the fetus would be unaffected with GS2. PMID: 28484936
4. Findings indicate that rab GTP-binding proteins Rab27A and Rab27B play significant roles in cell invasion, proliferation, and apoptosis, as well as in chemotherapy resistance. PMID: 28902788
5. Here, we report on a new RAB27A genetic anomaly observed in seven Saudi Arabia families that had remained negative after extensive molecular genomic DNA testing. Linkage analysis and targeted sequencing of the RAB27A genomic region in several of these patients led to the identification of a common homozygous tandem duplication of 38 kb affecting exon 2-5 and resulting in a premature stop codon PMID: 28585352
6. In comparison with the normal tissues, miR-182-5p is expressed at a higher level in gastric cancer (GC) tissues, while RAB27A is expressed at a lower level in cancerous tissues. The down-regulation of miR-182-5p and up-regulation of RAB27A can significantly decrease the viability, migration, invasion, and mitosis of HGC-27 cells. PMID: 28546229
7. Rab27A is mediated by NF-kappaB and promotes stemness of colon cancer cells via up-regulation of cytokine secretion PMID: 27556511
8. These results demonstrated that miR-145 has an inhibitory role in TNBC malignancy by targeting MMP11 and Rab27a, which might be potential therapeutic and diagnostic targets for TNBC. PMID: 27364572
9. These signaling pathways can trigger several secretion modes including single WPB release and multigranular exocytosis. In this review we will give an overview of the WPB lifecycle from biogenesis to secretion and we will discuss several deficiencies that affect the WPB lifecycle. [review] PMID: 28004844
10. RAB27A, RAB27B and VPS36 are frequently underexpressed in advanced prostate cancer and are inversely correlated with prostate cancer outcome. There seems to be a close relationship in the expression of RAB27A, RAB27B and VPS36, with RAB27A and RAB27B being dependent on VPS36. PMID: 28197629
11. identified small molecule inhibitors of Rab27a-JFC1 binding that were also active in cell-based neutrophil-specific exocytosis assays, demonstrating the druggability of Rab GTPases and their effectors. PMID: 27702998
12. MicroRNA-134-3p is a novel potential inhibitor of human ovarian cancer stem cells by targeting RAB27A. PMID: 28043921
13. decreased expression of Rab27A and Rab27B, especially Rab27A, closely correlated with tumor progression and are valuable prognostic indicators in colorectal cancer patients. PMID: 26760980
14. We report two unrelated teenagers with hemophagocytic lymphohistiocytosis and an identical heterozygous RAB27A mutation (c.259G-->C). PMID: 26880764
15. Data suggest that microRNA miR-582-5p may function as a tumor suppressor in the development of colorectal carcinoma (CRC) by targeting RAS-related GTP-binding protein (Rab27a), indicating a novel therapeutic strategy for patients with CRC. PMID: 26384136
16. Experimental data are reviewed with a focus on the secretory Rab27 family of small GTPases and their implications in cancer progression. PMID: 23665896
17. miR-122 has a Rab27a-dependent function in the hepatitis C virus lifecycle PMID: 26305877
18. Rab27A may be used as a valuable prognostic biomarker for colorectal carcinoma patients. PMID: 26070933
19. Our data indicate that RAB27A expression is an independent prognostic marker for pancreatic ductal adenocarcinoma PMID: 25428385
20. This study identified a common variant located in RAB27A gene influencing FeNO levels specifically in adults and with a biological relevance to the regulation of FeNO levels. PMID: 25431337
21. These studies highlight the need for RAB27A sequencing in patients with FHL with normal pigmentation and identify a critical binding site for Munc13-4 on Rab27a, revealing the molecular basis of this interaction. PMID: 25312756
22. Data show that cystic fibrosis (CF) neutrophils release less secondary and tertiary granule components and that activation of the low-molecular-mass GTP-binding protein Rab27a, involved in the regulation of granule trafficking, is defective. PMID: 24934256
23. Rab27a was identified as a prognostic biomaker by mRNA profiling, correlated with malignant progression and subtype preference in gliomas. PMID: 24587032
24. Silencing of the exocytotic RAB family members RAB27A or RAB27B halted miR23b and miR921 secretion and reduced cellular invasion. PMID: 25261234
25. EPI64, a candidate GAP that is specific for Rab27. PMID: 24673604
26. Rab27a plays an important role in NET formation induced by both Candida albicans infection and PMA treatment by regulating ROS production. PMID: 24404184
27. Recruitment of STXBP1 by the Rab27A effector SYTL4 promotes Weibel-Palade body exocytosis. PMID: 24700782
28. The results showed that Rab27A(Q78L) is unable to localize on mature melanosomes and that its inhibitory activity on melanosome transport is completely dependent on its binding to the Rab27A effector Slac2-a/melanophilin. PMID: 24584932
29. Exosomes derived from Rab27aoverexpressing cancer cells elicited more potent antitumor immune effects. PMID: 24146068
30. several crystal structures of the myosin Va or the myosin Vb globular tail domain that gives insights into how the motor is linked to the recycling membrane compartments via Rab11 or the melanophilin adaptor that binds to Rab27a. PMID: 24248336
31. Rab27a has a key role in eosinophil degranulation. Furthermore, these findings have implications for Rab27a-dependent eosinophil degranulation in airway inflammation. PMID: 23986549
32. Defects in cargo trafficking caused by mutations in RAB27A and UNC13D genes, encoding Rab27a and its effector Munc13-4, cause severe immunodeficiencies in humans. (Review) PMID: 23810987
33. Rab27a could improve cell viability, proliferation, and migration of U251 cells and inhibit its apoptosis by promoting secretion of cathepsin D and miR-124 suppression. PMID: 23553027
34. Upregulation of the Rab27a-dependent lysosomal trafficking and secretory pathways contributes to the correction of some of the cellular defects induced by lysosomal overload in cystinosis, including endoplasmic reticulum stress. PMID: 23716592
35. Altogether, these results indicate that Rab27a plays an important role in herpes simplex virus 1 infection of oligodendrocytic cells. PMID: 23164453
36. RAB27A localization and function in melanocytes. [Review] PMID: 23176485
37. the intrinsically essential role of RAB27A in human ethnic skin color determination PMID: 22844437
38. Rab27 and Rab3 sequentially regulate human sperm dense-core granule exocytosis, and Rab27 is also required for the acrosome reaction. PMID: 22753498
39. Upregulated expression of rab4, rab5, rab7, and rab27 correlates with antemortem measures of cognitive decline in individuals with mild cognitve impairment and Alzheimer disease. PMID: 21669283
40. The pathologic defect in Griscelli syndrome 3 came from the MLPH R35W substitution, which induced aggregation of melanosomes in the perinuclear area of melanocytes because of failure to interact with RAB27A. PMID: 21883982
41. A Rab27a/MyRIP/myosin Va complex is involved in linking von-Willebrand factor (Vwf) to the peripheral actin cytoskeleton of endothelial cells to allow full maturation and prevent premature secretion of vWF. PMID: 21740491
42. Data show that point mutations in the binding motif of munc13-4 have severely impaired rab27a binding, allowing dissection of rab27a requirements in munc13-4 function. PMID: 21693760
43. Rab27a hasa role in the CMV life cycle and CMV and LRO biogenesis share common molecular mechanisms PMID: 21170347
44. Rab27a plays a direct regulatory role in the nascent process of phagocytosis by prolongation of the stage of actin coating via suppression of Coronin 1A. PMID: 21169636
45. Molecular analysis revealed a novel homozygous mutation in exon 5, namely, a single-base substitution (g.42996 A>G) leading to an amino acid change (S115G) and thus confirming the diagnosis of Griscelli syndrome type 2. PMID: 21314004
46. Loss of Rab27a increased the fraction of mobile lytic granules and the extent of their movement in the cytosol. PMID: 20877725
47. TBC1D16 and RAB27A, were identified known drivers of melanoma both are involved in the regulation of vesicular trafficking, which highlights this process as important for proliferation in melanoma. PMID: 21129771
48. The Rab27A(K22R) mutant normally binds Munc13-4, but not Slp2-a or Slp4-a, whereas the Rab27A(I44T) mutant shows reduced binding activity to Slp2-a and Munc13-4 but normally binds Slp4-a. PMID: 20370853
49. RAB27A mutations were found in 1 of the 21 families with haemophagocytic syndromes without mutations in familial HLH (FHL) causing genes PMID: 19953648
50. role in melanosome transport PMID: 11980908

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HGNC: 9766

OMIM: 603868

KEGG: hsa:5873

STRING: 9606.ENSP00000337761

UniGene: Hs.654978