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词条 Bromo adjacent homology domain containing 1
释义

  1. Discovery

  2. Function

  3. Animal studies

  4. Clinical significance

  5. References

  6. Further reading

{{Infobox_gene}}

Bromo adjacent homology domain containing 1 (BAHD1) is a protein that in humans is encoded by the BAHD1 gene. BAHD1 is involved in heterochromatin formation and transcriptional repression.

[1]

Discovery

BAHD1 was first cloned from a human brain cDNA library and the coding sequence was named KIAA0945.[2] Bierne and colleagues further discovered the function of BAHD1 in the regulation of chromatin structure and gene expression.[3]

Function

BAHD1 acts as a co-repressor by interacting with a set of proteins that promote chromatin compaction and regulate transcription.[3][4] Tandem-affinity purification of the BAHD1-associated protein complex in human HEK293 cells identified MIER proteins (MIER1, MIER2, MIER3), histone deacetylase HDAC1 and HDAC2, histone H3K9 methyltransferase EHMT2, heterochromatin protein 1 (HP1 alpha, HP1 beta, HP1 gamma), MBD1, TRIM28 and CDYL as partners of BAHD1.[4] Overexpression of BAHD1 in HEK293 cells induces large-scale chromatin condensation [3] and DNA methylation on autosomes.[5] The C-terminal BAH domain of BAHD1 acts as a reader for the epigenetic mark H3K27me3.[6] Ectopically expressed BAHD1 colocalizes with the heterochromatic inactive X chromosome (Xi).[3][5]

Animal studies

Ablation of the Bahd1 gene in the mouse alters placental development and results in hypocholesterolemia, hypoglycemia and decreased body fat.[4] Bahd1-haplodeficiency in mice decreases the efficiency of infection with the bacterial pathogen Listeria monocytogenes.[7]

Clinical significance

During infection of human epithelial cells with the pathogen Listeria monocytogenes, BAHD1 represses interferon-stimulated genes.[7] At specific stages of infection, a Listeria nucleomodulin, LntA, acts as an inhibitor of BAHD1 and activates interferon-stimulated genes.[7][8] The BAHD1 gene is downregulated in the colon tissue in a mouse model of ulcerative colitis.[9]

References

1. ^{{cite web| title = Entrez Gene: BAHD1| url = https://www.ncbi.nlm.nih.gov/gene/22893| accessdate = 2016-10-22}}
2. ^{{cite journal | vauthors=Nagase T, Ishikawa K, Suyama M, Kikuno R, Hirosawa M, Miyajima N, Tanaka A, Kotani H, Nomura N, Ohara O | title = Prediction of the coding sequences of unidentified human genes. XIII. The complete sequences of 100 new cDNA clones from brain which code for large proteins in vitro | journal = DNA Res| volume = 26 |issue = 6 |pages = 63–70 |date =1999 |pmid = 10231032 |pmc = |doi = 10.1038/ng0797-256 }}
3. ^1 2 3 {{cite journal |vauthors=Bierne H, Tham TN, Batsche E, Dumay A, Leguillou M, Kernéis-Golsteyn S, Regnault B, Seeler JS, Muchardt C, Feunteun J, Cossart P |title=Human BAHD1 promotes heterochromatic gene silencing |journal=Proc. Natl. Acad. Sci. U.S.A. |volume=106 |issue=33 |pages=13826–31 |year=2009 |pmid=19666599 |pmc=2728979 |doi=10.1073/pnas.0901259106 }}
4. ^1 2 {{cite journal |vauthors=Lakisic G, Lebreton A, Pourpre R, Wendling O, Libertini E, Radford EJ, Le Guillou M, Champy MF, Wattenhofer-Donzé M, Soubigou G, Ait-Si-Ali S, Feunteun J, Sorg T, Coppée JY, Ferguson-Smith AC, Cossart P, Bierne H |title=Role of the BAHD1 Chromatin-Repressive Complex in Placental Development and Regulation of Steroid Metabolism |journal=PLoS Genet |volume=12 |issue=3 |pages=:e1005898 |year=2016 |pmid=26938916 |pmc= |doi=10.1371/journal.pgen.1005898 }}
5. ^1 {{cite journal |vauthors=Libertini E, Lebreton A, Lakisic G, Dillies MA, Beck S, Coppée JY, Cossart P, Bierne H |title= Overexpression of the Heterochromatinization Factor BAHD1 in HEK293 Cells Differentially Reshapes the DNA Methylome on Autosomes and X Chromosome |journal=Front Genet |volume= Dec 1;6:339 |issue=eCollection 2015. |pages=:e1005898 |year=2015 |pmid=26938916 |pmc= |doi=10.3389/fgene.2015.00339|url=}}
6. ^{{cite journal |vauthors=Zhao D, Zhang X, Guan H, Xiong X, Shi X, Deng H, Li H |title=The BAH domain of BAHD1 is a histone H3K27me3 reader |journal=Protein Cell |volume=7 |issue=3 |pages=222–6 |year=2016 |pmid=26850261 |pmc= |doi=10.1007/s13238-016-0243-z |url=}}
7. ^1 2 {{cite journal |vauthors=Lebreton A, Lakisic G, Job V, Fritsch L, Tham TN, Camejo A, Matteï PJ, Regnault B, Nahori MA, Cabanes D, Gautreau A, Ait-Si-Ali S, Dessen A, Cossart P, Bierne H |title=A bacterial protein targets the BAHD1 chromatin complex to stimulate type III interferon response |journal=Science |volume=331 |issue=6022 |pages=1319–21 |year=2011 |pmid=21252314 |doi=10.1126/science.1200120 |url=}}
8. ^{{cite journal |vauthors= Lebreton A, Job V, Ragon M, Le Monnier A, Dessen A, Cossart P, Bierne H |title=Structural basis for the inhibition of the chromatin repressor BAHD1 by the bacterial nucleomodulin LntA |journal=MBio |volume=21 |issue=5(1):e00775-13 |pages= |year=2014 |pmid=24449750 |doi=10.1128/mBio.00775-13 |url=}}
9. ^{{cite journal |vauthors=Zhu H, Wan X, Li J, Han L, Bo X, Chen W, Lu C, Shen Z, Xu C, Chen L, Yu C, Xu G |title=Computational Prediction and Validation of BAHD1 as a Novel Molecule for Ulcerative Colitis |journal=Sci Rep |volume=Jul 17 |issue=5:12227|pages= |year=2015 |doi=10.1038/srep12227 |pmid=26183847 |url=}}

Further reading

{{refbegin | 2}}
  • {{cite journal |vauthors=Talmud PJ, Drenos F, Shah S, Shah T, Palmen J, Verzilli C, Gaunt TR, Pallas J, Lovering R, Li K, Casas JP, Sofat R, Kumari M, Rodriguez S, Johnson T, Newhouse SJ, Dominiczak A, Samani NJ, Caulfield M, Sever P, Stanton A, Shields DC, Padmanabhan S, Melander O, Hastie C, Delles C, Ebrahim S, Marmot MG, Smith GD, Lawlor DA, Munroe PB, Day IN, Kivimaki M, Whittaker J, Humphries SE, Hingorani AD |title=Gene-centric association signals for lipids and apolipoproteins identified via the HumanCVD BeadChip |journal=Am. J. Hum. Genet. |volume=85 |issue=5 |pages=628–42 |year=2009 |pmid=19913121 |pmc=2775832 |doi=10.1016/j.ajhg.2009.10.014 }}
  • {{cite journal |vauthors=Bailey SD, Xie C, Do R, Montpetit A, Diaz R, Mohan V, Keavney B, Yusuf S, Gerstein HC, Engert JC, Anand S |title=Variation at the NFATC2 locus increases the risk of thiazolidinedione-induced edema in the Diabetes REduction Assessment with ramipril and rosiglitazone Medication (DREAM) study |journal=Diabetes Care |volume=33 |issue=10 |pages=2250–3 |year=2010 |pmid=20628086 |pmc=2945168 |doi=10.2337/dc10-0452 }}
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1 : Human proteins
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