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DIAPH1
Available structures PDB Ortholog search: PDBe RCSB List of PDB id codes 1V9D, 1Z2C, 2BAP, 2BNX, 2F31, 2V8F, 3EG5, 3O4X, 3OBV, 4UWX
Identifiers
Aliases	DIAPH1, DFNA1, DIA1, DRF1, LFHL1, hDIA1, SCBMS, diaphanous related formin 1, mDia1
External IDs	OMIM: 602121; MGI: 1194490; HomoloGene: 129567; GeneCards: DIAPH1; OMA:DIAPH1 - orthologs
Gene location (Human) Chr. Chromosome 5 (human) Band 5q31.3 Start 141,515,016 bp End 141,619,055 bp
Gene location (Mouse) Chr. Chromosome 18 (mouse) Band 18 B3|18 19.71 cM Start 37,976,654 bp End 38,068,529 bp
RNA expression pattern Bgee Human Mouse (ortholog) Top expressed in granulocyte monocyte Achilles tendon right lobe of liver gastrocnemius muscle skin of leg right lung upper lobe of left lung blood amniotic fluid Top expressed in granulocyte ankle conjunctival fornix transitional epithelium of urinary bladder blood vestibular membrane of cochlear duct muscle of thigh knee joint Rostral migratory stream soleus muscle More reference expression data BioGPS More reference expression data
Gene ontology Molecular function transmembrane transporter binding protein binding actin binding signaling receptor binding RNA binding Cellular component cytoplasm cytosol cell projection membrane spindle microtubule organizing center ruffle membrane mitotic spindle cytoskeleton plasma membrane secretory granule membrane ficolin-1-rich granule membrane nucleus Biological process actin filament organization positive regulation of cell migration regulation of release of sequestered calcium ion into cytosol hearing actin filament polymerization regulation of microtubule-based process protein localization to microtubule cytoskeleton organization regulation of cell shape cellular component organization actin cytoskeleton organization cellular response to histamine regulation of cell motility neutrophil degranulation regulation of cytoskeleton organization Sources:Amigo / QuickGO
Orthologs Species Human Mouse Entrez 1729 13367 Ensembl ENSG00000131504 ENSMUSG00000024456 UniProt O60610 O08808 RefSeq (mRNA) NM_001314007 NM_001079812 NM_005219 NM_007858 NM_001305980 NM_001305981 RefSeq (protein) NP_001073280 NP_001300936 NP_005210 NP_001292909 NP_001292910 NP_031884 Location (UCSC) Chr 5: 141.52 – 141.62 Mb Chr 18: 37.98 – 38.07 Mb PubMed search
Wikidata
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Protein diaphanous homolog 1 is a protein that in humans is encoded by the DIAPH1 gene.

Function

This gene is a homolog of the Drosophila diaphanous gene and belongs to the protein family of the formins, characterized by the formin homology 2 (FH2) domain. It has been linked to autosomal dominant, fully penetrant, nonsyndromic low-frequency progressive sensorineural hearing loss. Actin polymerization involves proteins known to interact with diaphanous protein in Drosophila and mouse. It has therefore been speculated that this gene may have a role in the regulation of actin polymerization in hair cells of the inner ear. Alternatively spliced transcript variants encoding distinct isoforms have been found for this gene.

Interactions

DIAPH1 has been shown to interact with RHOA.

Clinical significance

Mutations in this gene have been associated with macrothrombocytopenia and hearing loss, microcephaly, blindness, and early onset seizures

Its actions on platelet formation appear to occur at the level of the megakaryocyte where it is involved in cytoskeleton formation.

See also

• mDia1

References

1. ^ GRCh38: Ensembl release 89: ENSG00000131504 – Ensembl, May 2017
2. ^ GRCm38: Ensembl release 89: ENSMUSG00000024456 – Ensembl, May 2017
3. "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
4. "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
5. Lynch ED, Lee MK, Morrow JE, Welcsh PL, León PE, King MC (November 1997). "Nonsyndromic deafness DFNA1 associated with mutation of a human homolog of the Drosophila gene diaphanous". Science. 278 (5341): 1315–8. Bibcode:1997Sci...278.1315L. doi:10.1126/science.278.5341.1315. PMID 9360932.
6. Leon PE, Raventos H, Lynch E, Morrow J, King MC (June 1992). "The gene for an inherited form of deafness maps to chromosome 5q31". Proceedings of the National Academy of Sciences of the United States of America. 89 (11): 5181–4. Bibcode:1992PNAS...89.5181L. doi:10.1073/pnas.89.11.5181. PMC 49253. PMID 1350680.
7. ^ "Entrez Gene: DIAPH1 diaphanous homolog 1 (Drosophila)".
8. Riento K, Guasch RM, Garg R, Jin B, Ridley AJ (June 2003). "RhoE binds to ROCK I and inhibits downstream signaling". Molecular and Cellular Biology. 23 (12): 4219–29. doi:10.1128/MCB.23.12.4219-4229.2003. PMC 156133. PMID 12773565.
9. Stritt S, Nurden P, Turro E, Greene D, Jansen SB, Westbury SK, et al. (June 2016). "A gain-of-function variant in DIAPH1 causes dominant macrothrombocytopenia and hearing loss". Blood. 127 (23): 2903–14. doi:10.1182/blood-2015-10-675629. hdl:1983/57509c95-e756-43c8-96ec-de3a3492481b. PMID 26912466.
10. Al-Maawali A, Barry BJ, Rajab A, El-Quessny M, Seman A, Coury SN, et al. (February 2016). "Novel loss-of-function variants in DIAPH1 associated with syndromic microcephaly, blindness, and early onset seizures". American Journal of Medical Genetics. Part A. 170A (2): 435–40. doi:10.1002/ajmg.a.37422. PMC 5315085. PMID 26463574.
11. Pan J, Lordier L, Meyran D, Rameau P, Lecluse Y, Kitchen-Goosen S, et al. (2014). "The formin DIAPH1 (mDia1) regulates megakaryocyte proplatelet formation by remodeling the actin and microtubule cytoskeletons". Blood. 124 (26): 3967–77. doi:10.1182/blood-2013-12-544924. PMID 25298036.

Further reading

• Reinhard M, Giehl K, Abel K, Haffner C, Jarchau T, Hoppe V, Jockusch BM, Walter U (April 1995). "The proline-rich focal adhesion and microfilament protein VASP is a ligand for profilins". The EMBO Journal. 14 (8): 1583–9. doi:10.1002/j.1460-2075.1995.tb07146.x. PMC 398250. PMID 7737110.
• Andersson B, Wentland MA, Ricafrente JY, Liu W, Gibbs RA (April 1996). "A "double adaptor" method for improved shotgun library construction". Analytical Biochemistry. 236 (1): 107–13. doi:10.1006/abio.1996.0138. PMID 8619474.
• Yu W, Andersson B, Worley KC, Muzny DM, Ding Y, Liu W, Ricafrente JY, Wentland MA, Lennon G, Gibbs RA (April 1997). "Large-scale concatenation cDNA sequencing". Genome Research. 7 (4): 353–8. doi:10.1101/gr.7.4.353. PMC 139146. PMID 9110174.
• Fujiwara T, Mammoto A, Kim Y, Takai Y (May 2000). "Rho small G-protein-dependent binding of mDia to an Src homology 3 domain-containing IRSp53/BAIAP2". Biochemical and Biophysical Research Communications. 271 (3): 626–9. doi:10.1006/bbrc.2000.2671. PMID 10814512.
• Kato T, Watanabe N, Morishima Y, Fujita A, Ishizaki T, Narumiya S (February 2001). "Localization of a mammalian homolog of diaphanous, mDia1, to the mitotic spindle in HeLa cells". Journal of Cell Science. 114 (Pt 4): 775–84. doi:10.1242/jcs.114.4.775. hdl:2433/150544. PMID 11171383.
• Westendorf JJ (December 2001). "The formin/diaphanous-related protein, FHOS, interacts with Rac1 and activates transcription from the serum response element". The Journal of Biological Chemistry. 276 (49): 46453–9. doi:10.1074/jbc.M105162200. PMID 11590143.
• Sahai E, Marshall CJ (June 2002). "ROCK and Dia have opposing effects on adherens junctions downstream of Rho". Nature Cell Biology. 4 (6): 408–15. doi:10.1038/ncb796. PMID 11992112. S2CID 20795071.
• Montagnoli A, Bosotti R, Villa F, Rialland M, Brotherton D, Mercurio C, Berthelsen J, Santocanale C (June 2002). "Drf1, a novel regulatory subunit for human Cdc7 kinase". The EMBO Journal. 21 (12): 3171–81. doi:10.1093/emboj/cdf290. PMC 126049. PMID 12065429.
• Tominaga T, Meng W, Togashi K, Urano H, Alberts AS, Tominaga M (December 2002). "The Rho GTPase effector protein, mDia, inhibits the DNA binding ability of the transcription factor Pax6 and changes the pattern of neurite extension in cerebellar granule cells through its binding to Pax6". The Journal of Biological Chemistry. 277 (49): 47686–91. doi:10.1074/jbc.M207539200. PMID 12324464.
• Gevaert K, Goethals M, Martens L, Van Damme J, Staes A, Thomas GR, Vandekerckhove J (May 2003). "Exploring proteomes and analyzing protein processing by mass spectrometric identification of sorted N-terminal peptides". Nature Biotechnology. 21 (5): 566–9. doi:10.1038/nbt810. PMID 12665801. S2CID 23783563.
• Vicente-Manzanares M, Rey M, Pérez-Martínez M, Yáñez-Mó M, Sancho D, Cabrero JR, Barreiro O, de la Fuente H, Itoh K, Sánchez-Madrid F (July 2003). "The RhoA effector mDia is induced during T cell activation and regulates actin polymerization and cell migration in T lymphocytes". Journal of Immunology. 171 (2): 1023–34. doi:10.4049/jimmunol.171.2.1023. PMID 12847276.
• Stüven T, Hartmann E, Görlich D (November 2003). "Exportin 6: a novel nuclear export receptor that is specific for profilin.actin complexes". The EMBO Journal. 22 (21): 5928–40. doi:10.1093/emboj/cdg565. PMC 275422. PMID 14592989.
• Yasuda S, Oceguera-Yanez F, Kato T, Okamoto M, Yonemura S, Terada Y, Ishizaki T, Narumiya S (April 2004). "Cdc42 and mDia3 regulate microtubule attachment to kinetochores". Nature. 428 (6984): 767–71. Bibcode:2004Natur.428..767Y. doi:10.1038/nature02452. PMID 15085137. S2CID 4401953.
• Mammoto A, Huang S, Moore K, Oh P, Ingber DE (June 2004). "Role of RhoA, mDia, and ROCK in cell shape-dependent control of the Skp2-p27kip1 pathway and the G1/S transition". The Journal of Biological Chemistry. 279 (25): 26323–30. doi:10.1074/jbc.M402725200. PMID 15096506.
• Rundle DR, Gorbsky G, Tsiokas L (July 2004). "PKD2 interacts and co-localizes with mDia1 to mitotic spindles of dividing cells: role of mDia1 IN PKD2 localization to mitotic spindles". The Journal of Biological Chemistry. 279 (28): 29728–39. doi:10.1074/jbc.M400544200. PMID 15123714.
• Carreira S, Goodall J, Denat L, Rodriguez M, Nuciforo P, Hoek KS, Testori A, Larue L, Goding CR (December 2006). "Mitf regulation of Dia1 controls melanoma proliferation and invasiveness". Genes & Development. 20 (24): 3426–39. doi:10.1101/gad.406406. PMC 1698449. PMID 17182868.

External links

• GeneReviews/NCBI/NIH/UW entry on Deafness and Hereditary Hearing Loss Overview
• DIAPH1 Info with links in the Cell Migration Gateway

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