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RhoC (ras homolog gene family, member C)

Identity

Other namesARH9
ARHC
H9
MGC1448
MGC61427
RhoH9
HGNC (Hugo) RHOC
LocusID (NCBI) 389
Location 1p13.1
Location_base_pair Starts at 113243749 and ends at 113250025 bp from pter ( according to hg19-Feb_2009)  [Mapping]

DNA/RNA

Description The RhoC gene contains 6 exons and 5 introns. It was predicted to span over approximately 6.3 kb of the genomic DNA with mRNA size approximately 1116 bp. This gene is related to a gene originally identified in the marine snail, Aplysia. After the original cloning of Rho gene in Aplysia californica, then several genes in mammal been identified and divided into several subfamily, among them is (RhoA, RhoB and RhoC isoforms). In 1993, human ARH9 (RhoC), was reexamined and showed that it was present in choromosome 1. Human cDNA of RhoC proteins were isolated from the complete H9Rho (clone 9) coding sequence. Other group isolated RhoC from adult retina library.
Transcription Three alternative transcripts encoding the same protein have been identified for RhoC gene.

Protein

Description The primary protein sequences of Rho-subfamily (RhoA, B and C) are about 85% identical, with most divergence close to the C-terminus. The sequence divergence among RhoA, B and C is found in the insert loop, a helix between amino acids 123 and 137. The RhoC consists of 193 amino acids corresponding to a molecular weight of 22 kDa. RhoC protein consists of GTPase binding domain in the N-terminal. In C-terminal consists of geranylgeranyl group and carboxyl methylation extension. RhoC contains the sequence motif of GTP-binding proteins, bind to GDP and GTP with high affinity and are involved in cycle between in-active, GDP-bound and active, GTP-bound states. RhoC displays about 30% amino acids identity with Ras proteins which mainly clustered in four highly homologues internal region corresponding to the GTP binding site.
Expression The RhoC proteins are over-expressed in bladder carcinoma, breast carcinoma, and in the squamous cell carcinoma of the head and neck. At mRNA level, RhoC are over-expressed in adenocarcinoma of the ovary, pancreatic cancer and hepatocellular carcinoma.
Localisation Mainly in the cytoplasm, there is a small fraction localized in the plasma membrane of the Rat-2 fibroblast cells and associated with undefined perinuclear structures.
Function The Rho proteins are involved in multiple processes, such as organization of the cytoskeletal components, cell division or intracellular trafficking. Role of RhoC also been observed in limb development. The RhoC protein has been connected to cancer development. It is up-regulated in malignant pancreatic ductal carcinoma, inflammatory breast cancer tumors and highly metastatic melanoma. Ectopic over-expression of this gene increases the tumorigenic and metastasis properties of tumor progenitor cell. RhoC also induces the expression of angiogenic factors in human mammary epithelial cells, by facilitating the vascularization of tumors in which it is expressed.
Homology At least there are five homologues of RhoC sequences with pair-wise similarity from 80-100% at the amino acids level. Among them in dog (Canis lupus familiaris), rat (Rattus norvergicus), mouse (Mus musculus), zebrafish (Danio rerio), and chicken (Gallus gallus).

Mutations

Germinal Not found in Homo sapiens
Somatic Not found in Homo sapiens

Implicated in

Entity Morphogenesis
Note The RhoC exhibits specific expression domain in regions undergoing major cell rearrangement process in the developing limb autopod, including the prechondrogeneic aggregates, the developing interphalangeal joints and tendons. Functional experiments indicate that RhoC is a regulator of mesenchymal cell shape and adhesiveness, acting as a modulator of digit morphogenesis and joint formation.
  
Entity Malignancy
Disease The RhoC reported to be over-expressed in many human cancers (see above).
Prognosis The RhoC over-expression is a predictor of poor prognosis in malignancy.
Oncogenesis The RhoC and RhoA are 94% identical, only 11 amino acids are different. RhoC plays a major role in cell locomotion compare with RhoA. Over-expression of RhoC is closely related with tumor cell invasion and metastasis.
  

External links

Nomenclature
HGNC (Hugo)RHOC   669
Entrez_Gene (NCBI)RHOC  389  ras homolog family member C
Cards
AtlasRHOCID42110ch1p13
GeneCards (Weizmann)RHOC
Ensembl (Hinxton)ENSG00000155366 [Gene_View]  chr1:113243749-113250025 [Contig_View]  RHOC [Vega]
AceView (NCBI)RHOC
Genatlas (Paris)RHOC
euGene (Indiana)389
SOURCE (Stanford)NM_001042678 NM_001042679 NM_175744
Genomic and cartography
GoldenPath (UCSC)RHOC  -  1p13.1   chr1:113243749-113250025 -  1p13.1   [Description]    (hg19-Feb_2009)
EnsemblRHOC - 1p13.1 [CytoView]
Mapping of homologs : NCBIRHOC [Mapview]
OMIM165380   
Gene and transcription
Genbank (Entrez)AF085893 AF498972 AK094474 BC007245 BC009177
RefSeq transcript (SRS)NM_001042678 NM_001042679 NM_175744
RefSeq transcript (Entrez)NM_001042678 NM_001042679 NM_175744
RefSeq genomic (SRS)AC_000133 NC_000001 NT_032977 NW_001838594
RefSeq genomic (Entrez)AC_000133 NC_000001 NT_032977 NW_001838594
Consensus coding sequences : CCDS (NCBI)RHOC
Cluster EST : UnigeneHs.658289 [ SRS ] Hs.658289 [ NCBI ]
Alternative Splicing : Fast-db (Paris)17098
Alternative Splicing GalleryENSG00000155366
Gene ExpressionRHOC [ NCBI-GEO ]   RHOC [ EBI - ARRAY_EXPRESS ]
Protein : pattern, domain, 3D structure
UniProt/SwissProtP08134 (SRS) P08134 (Uniprot)
With graphics : InterProP08134
Splice isoforms : SwissVarP08134(Swissvar)
Domaine pattern : Prosite (SRS)RHO (PS51420)   
Domaine pattern : Prosite (Expaxy)RHO (PS51420)   
Domains : Interpro (SRS)Small_GTP-bd_dom    Small_GTPase    Small_GTPase_Rho   
Domains : Interpro (EBI)Small_GTP-bd_dom    Small_GTPase    Small_GTPase_Rho   
Related proteins : CluSTrP08134
Domain families : Pfam (SRS)Ras (PF00071)   
Domain families : Pfam (Sanger)Ras (PF00071)   
Domain families : Pfam (NCBI)pfam00071   
Domain families : Smart (EMBL)RHO (SM00174)  
Blocks (Seattle)P08134
PDB (SRS)1Z2C    2GCN    2GCO    2GCP   
PDB (PDBSum)1Z2C    2GCN    2GCO    2GCP   
PDB (IMB)1Z2C    2GCN    2GCO    2GCP   
PDB (RSDB)1Z2C    2GCN    2GCO    2GCP   
Human Protein AtlasENSG00000155366
HPRD01322
IPIIPI00027434   IPI00552834   IPI00647268   IPI00643368   IPI00644425   IPI00982162   IPI00980853   IPI01009702   
dbDEPCIPI00027434   
Protein Interaction databases
DIP (DOE-UCLA)P08134
IntAct (EBI)P08134
FunCoupENSG00000155366
REACTOMERHOC
BioGRIDRHOC
InParanoidP08134
Interologous Interaction database P08134
Polymorphism : SNP, mutations, diseases
SNP Single Nucleotide Polymorphism (NCBI)RHOC
SNP (GeneSNP Utah)RHOC
SNP : HGBaseRHOC
Genetic variants : HAPMAPRHOC
Somatic Mutations in Cancer : COSMICRHOC 
CONAN: Copy Number AnalysisRHOC 
Mutations and Diseases : HGMDRHOC
OMIM165380   
GENETests165380   
Disease Genetic AssociationRHOC
Huge Navigator RHOC [HugePedia]  RHOC [HugeCancerGEM]
Genomic VariantsRHOC
snp3D : Map Gene to Disease389
General knowledge
Homologs : HomoloGeneRHOC
Homology/Alignments : Family Browser (UCSC)RHOC
Phylogenetic Trees/Animal Genes : TreeFamRHOC
Chemical/Protein Interactions : CTD389
Chemical/Pharm GKB GenePA24951
Clinical trialRHOC
Cancer Resource (Charite)ENSG00000155366
Ontology : AmiGOnucleotide binding  response to hypoxia  GTPase activity  signal transducer activity  protein binding  GTP binding  intracellular  membrane fraction  soluble fraction  nucleus  cytoplasm  cytosol  plasma membrane  plasma membrane  GTP catabolic process  signal transduction  small GTPase mediated signal transduction  small GTPase mediated signal transduction  axon guidance  regulation of actin polymerization or depolymerization  response to mechanical stimulus  response to glucose stimulus  protein domain specific binding  positive regulation of cell growth  positive regulation of cell migration  axon  positive regulation of actin filament polymerization  stress-activated protein kinase signaling cascade  cleavage furrow  cell cycle cytokinesis  response to drug  positive regulation of I-kappaB kinase/NF-kappaB cascade  negative regulation of I-kappaB kinase/NF-kappaB cascade  response to amino acid stimulus  positive regulation of cysteine-type endopeptidase activity involved in apoptotic process  apical junction assembly  positive regulation of neuron apoptosis  response to ethanol  negative regulation of neuron differentiation  positive regulation of translation  positive regulation of cell adhesion  positive regulation of vasoconstriction  neuron projection morphogenesis  regulation of dendrite development  regulation of small GTPase mediated signal transduction  response to glucocorticoid stimulus  negative regulation of calcium ion transport via voltage-gated calcium channel activity  
Ontology : EGO-EBInucleotide binding  response to hypoxia  GTPase activity  signal transducer activity  protein binding  GTP binding  intracellular  membrane fraction  soluble fraction  nucleus  cytoplasm  cytosol  plasma membrane  plasma membrane  GTP catabolic process  signal transduction  small GTPase mediated signal transduction  small GTPase mediated signal transduction  axon guidance  regulation of actin polymerization or depolymerization  response to mechanical stimulus  response to glucose stimulus  protein domain specific binding  positive regulation of cell growth  positive regulation of cell migration  axon  positive regulation of actin filament polymerization  stress-activated protein kinase signaling cascade  cleavage furrow  cell cycle cytokinesis  response to drug  positive regulation of I-kappaB kinase/NF-kappaB cascade  negative regulation of I-kappaB kinase/NF-kappaB cascade  response to amino acid stimulus  positive regulation of cysteine-type endopeptidase activity involved in apoptotic process  apical junction assembly  positive regulation of neuron apoptosis  response to ethanol  negative regulation of neuron differentiation  positive regulation of translation  positive regulation of cell adhesion  positive regulation of vasoconstriction  neuron projection morphogenesis  regulation of dendrite development  regulation of small GTPase mediated signal transduction  response to glucocorticoid stimulus  negative regulation of calcium ion transport via voltage-gated calcium channel activity  
Other databases
Other databaseat http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=homologene
Probes
Probes : ImagenesRHOC Related clones (RZPD - Berlin)
Litterature
PubMed88 Pubmed reference(s) in Entrez
PubGeneRHOC
iHOPRHOC

Bibliography

A novel ras-related gene family.
Madaule P, Axel R
Cell. 1985 ; 41 (1) : 31-40.
PMID 3888408
 
Coding sequence of human rho cDNAs clone 6 and clone 9.
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The Journal of cell biology. 1992 ; 119 (3) : 617-627.
PMID 1383236
 
Reassignment of the human ARH9 RAS-related gene to chromosome 1p13-p21.
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Genomics. 1993 ; 15 (3) : 677-679.
PMID 8468062
 
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PMID 7835413
 
Crystal structure of human RhoA in a dominantly active form complexed with a GTP analogue.
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PMID 9545299
 
Overexpression of the rhoC gene correlates with progression of ductal adenocarcinoma of the pancreas.
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British journal of cancer. 1998 ; 77 (1) : 147-152.
PMID 9459160
 
Genomic analysis of metastasis reveals an essential role for RhoC.
Clark EA, Golub TR, Lander ES, Hynes RO
Nature. 2000 ; 406 (6795) : 532-535.
PMID 10952316
 
RhoC GTPase, a novel transforming oncogene for human mammary epithelial cells that partially recapitulates the inflammatory breast cancer phenotype.
van Golen KL, Wu ZF, Qiao XT, Bao LW, Merajver SD
Cancer research. 2000 ; 60 (20) : 5832-5838.
PMID 11059780
 
RhoC GTPase overexpression modulates induction of angiogenic factors in breast cells.
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Neoplasia (New York, N.Y.). 2000 ; 2 (5) : 418-425.
PMID 11191108
 
Differential localization of Rho GTPases in live cells: regulation by hypervariable regions and RhoGDI binding.
Michaelson D, Silletti J, Murphy G, D'Eustachio P, Rush M, Philips MR
The Journal of cell biology. 2001 ; 152 (1) : 111-126.
PMID 11149925
 
Characterization of RhoC expression in benign and malignant breast disease: a potential new marker for small breast carcinomas with metastatic ability.
Kleer CG, van Golen KL, Zhang Y, Wu ZF, Rubin MA, Merajver SD
The American journal of pathology. 2002 ; 160 (2) : 579-584.
PMID 11839578
 
Up-regulation of small GTPases, RhoA and RhoC, is associated with tumor progression in ovarian carcinoma.
Horiuchi A, Imai T, Wang C, Ohira S, Feng Y, Nikaido T, Konishi I
Laboratory investigation; a journal of technical methods and pathology. 2003 ; 83 (6) : 861-870.
PMID 12808121
 
Significant association of Rho/ROCK pathway with invasion and metastasis of bladder cancer.
Kamai T, Tsujii T, Arai K, Takagi K, Asami H, Ito Y, Oshima H
Clinical cancer research : an official journal of the American Association for Cancer Research. 2003 ; 9 (7) : 2632-2641.
PMID 12855641
 
A novel strategy for specifically down-regulating individual Rho GTPase activity in tumor cells.
Wang L, Yang L, Luo Y, Zheng Y
The Journal of biological chemistry. 2003 ; 278 (45) : 44617-44625.
PMID 12939257
 
Actin and microtubules in cell motility: which one is in control?
Etienne-Manneville S
Traffic (Copenhagen, Denmark). 2004 ; 5 (7) : 470-477.
PMID 15180824
 
A definitive role of RhoC in metastasis of orthotopic lung cancer in mice.
Ikoma T, Takahashi T, Nagano S, Li YM, Ohno Y, Ando K, Fujiwara T, Fujiwara H, Kosai K
Clinical cancer research : an official journal of the American Association for Cancer Research. 2004 ; 10 (3) : 1192-1200.
PMID 14871999
 
Genomic analysis reveals RhoC as a potential marker in hepatocellular carcinoma with poor prognosis.
Wang W, Yang LY, Huang GW, Lu WQ, Yang ZL, Yang JQ, Liu HL
British journal of cancer. 2004 ; 90 (12) : 2349-2355.
PMID 15150600
 
Why three Rho proteins? RhoA, RhoB, RhoC, and cell motility.
Wheeler AP, Ridley AJ
Experimental cell research. 2004 ; 301 (1) : 43-49.
PMID 15501444
 
Rho GTPases: biochemistry and biology.
Jaffe AB, Hall A
Annual review of cell and developmental biology. 2005 ; 21 : 247-269.
PMID 16212495
 
RhoA and RhoC proteins promote both cell proliferation and cell invasion of human oesophageal squamous cell carcinoma cell lines in vitro and in vivo.
Faried A, Faried LS, Kimura H, Nakajima M, Sohda M, Miyazaki T, Kato H, Usman N, Kuwano H
European journal of cancer (Oxford, England : 1990). 2006 ; 42 (10) : 1455-1465.
PMID 16750623
 
RhoC GTPase expression as a potential marker of lymph node metastasis in squamous cell carcinomas of the head and neck.
Kleer CG, Teknos TN, Islam M, Marcus B, Lee JS, Pan Q, Merajver SD
Clinical cancer research : an official journal of the American Association for Cancer Research. 2006 ; 12 (15) : 4485-4490.
PMID 16899593
 
Role of RhoC in digit morphogenesis during limb development.
Montero JA, Zuzarte-Luis V, Garcia-Martinez V, Hurle JM
Developmental biology. 2007 ; 303 (1) : 325-335.
PMID 17208217
 
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Contributor(s)

Written06-2007Ahmad Faried, Leri S. Faried
Department of General Surgical Science, Graduate School of Medicine, Gunma University, Japan

Citation

This paper should be referenced as such :
Faried A, Faried LS . RhoC (ras homolog gene family, member C). Atlas Genet Cytogenet Oncol Haematol. June 2007 .
URL : http://AtlasGeneticsOncology.org/Genes/RHOCID42110ch1p13.html

This paper is referenced by INIST as such :
http://documents.irevues.inist.fr/bitstream/2042/38463/1/06-2007-RHOCID42110ch1p13.pdf   [ Bibliographic record ]

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