DAO (D-amino acid oxidase)

symbol:
DAO
locus group:
protein-coding gene
location:
12q24.11
gene_family:
alias symbol:
DAMOX|DAAO
alias name:
None
entrez id:
1610
ensembl gene id:
ENSG00000110887
ucsc gene id:
uc001tnr.5
refseq accession:
NM_001917
hgnc_id:
HGNC:2671
approved reserved:
1992-11-25
12q24.11
基因染色体位置图

DAO基因编码二胺氧化酶(Diamine Oxidase),这是一种含铜的胺氧化酶,主要在肠道、胎盘和肾脏中表达。DAO的主要功能是催化组胺和其他生物活性多胺(如腐胺和尸胺)的氧化脱氨反应,从而降解这些物质并维持其体内平衡。组胺是一种重要的炎症介质和神经递质,过量积累会导致过敏反应、炎症和肠道功能紊乱。DAO通过降解组胺在调节免疫反应、肠道屏障功能和神经信号传导中发挥关键作用。DAO的作用位点主要是细胞外空间,尤其在肠道黏膜中活跃,保护机体免受饮食和微生物来源的组胺影响。DAO基因突变可能导致酶活性降低或丧失,引发组胺不耐受症(Histamine Intolerance),症状包括头痛、腹泻、皮肤瘙痒和低血压。此外,DAO表达异常与炎症性肠病(IBD)、肠易激综合征(IBS)和某些过敏性疾病相关。DAO过表达可能增强组胺降解能力,减轻过敏和炎症反应,但过度降解组胺也可能干扰其正常的生理功能,如胃酸分泌和神经传导。DAO表达降低则会导致组胺积累,引发上述不耐受症状或加重炎症性疾病。DAO属于含铜胺氧化酶基因家族(Copper-containing amine oxidase family),该家族成员通常依赖铜离子和拓扑醌辅因子催化伯胺的氧化反应,参与多种生物胺的代谢调控。这一家族的共性包括保守的铜结合位点和类似的底物特异性,但不同成员的组织分布和功能侧重有所不同。例如,与DAO同家族的AOC1(胺氧化酶铜含1)主要降解血管活性胺,而DAO更专注于组胺代谢。了解DAO的功能和调控有助于开发针对组胺相关疾病的治疗策略,如补充DAO酶或调节其表达水平。

This gene encodes the peroxisomal enzyme D-amino acid oxidase. The enzyme is a flavoprotein which uses flavin adenine dinucleotide (FAD) as its prosthetic group. Its substrates include a wide variety of D-amino acids, but it is inactive on the naturally occurring L-amino acids. Its biological function is not known; it may act as a detoxifying agent which removes D-amino acids that accumulate during aging. In mice, it degrades D-serine, a co-agonist of the NMDA receptor. This gene may play a role in the pathophysiology of schizophrenia. [provided by RefSeq, Jul 2008]

该基因编码的过氧化物酶D-氨基酸氧化酶。酶是使用黄素腺嘌呤二核苷酸(FAD)作为它的辅基黄素蛋白。其底物包括各种各样的D-氨基酸,但它是在天然存在的L-氨基酸无效。其生物学功能是未知的;它可以用作解毒剂除去D-氨基酸老化过程中积聚。在小鼠中,它会降低D-丝氨酸,NMDA受体的共激动剂。该基因可能参与精神分裂症的病理生理学中的作用。 [由RefSeq的,2008年7月提供]

CCND1基因的碱基序列:[NCBI]
Loading Gene Browser...
DAO基因的碱基突变:           仅显示部分snp
rs762451       rs1053875       rs1808351       rs2070585       rs2070586       rs2070587       rs2070588       rs2111902       rs2302882       rs3220845       rs3741773       rs3741774       rs3741775       rs3741776       rs3825251       rs3918346       rs3918347      

DAO基因在不同组织中的表达:    [UniProt]

基因在不同组织中的表达图
正向引物序列
正向Tm值
反向引物序列
反向Tm值
评分
AGAACTATCTACAGTGGCTGAC
59
CTTCTCTTGCCACCTCCTC
59
GAGTGAACTAAACAATATCCAGGAC
59
TTCTTGCATTCTTCAGTGTGG
59
CTCAGGAAATAGCATCCTGTG
58
ACACAAGCTCTTCATCGGA
59
CAGGAAATAGCATCCTGTGTC
58
GACACAAGCTCTTCATCGG
58
AACTATCTACAGTGGCTGACTG
59
CTTCTCTTGCCACCTCCTC
59
GTGAACTAAACAATATCCAGGACC
59
ATTCTTGCATTCTTCAGTGTGG
59
GTGAACTAAACAATATCCAGGACC
59
TTCTTGCATTCTTCAGTGTGG
59
CAGGAAATAGCATCCTGTGTC
58
ACACAAGCTCTTCATCGGA
59
ACTATCTACAGTGGCTGACTG
59
CTTCTCTTGCCACCTCCTC
59
      尚未收录相关数据

DAO基因(以及对应的蛋白质)的细胞分布位置:

[UniProt]     [GenomeNet]

" d="M482.414,245.296c3.539,4.293,4.455,10.009,0.202,11 c-4.244,0.996-4.983-10.983-8.293-8.438c-5.271,4.08,9.834,12.271,5.144,17.287c-3.717,3.607-6.172-5.75-10.839-1.976 c-4.673,3.776,6.781,7.299,2.831,11.326c-4.354,4.045-6.979-1.449-9.837-5.517c-1.193-1.742-2.059-3.851-3.595-2.748 c-1.516,1.078-1.854,1.795-0.938,3.666c2.374,4.854,9.235,10.119,5.156,12.535c-5.636,3.346-5.044-8.871-9.426-7.574 c-4.388,1.291,2.557,10.66-1.245,11.141c-4.089,0.545-3.483-10.239-6.979-8.575c-2.522,1.206-0.929,3.071-0.938,4.899 c0.004,1.32-0.964,3.6-2.372,4.062c-3.593,1.171-8.544-1.065-10.251-3.59c-6.04-8.93,0.396-15.997,4.639-7.015 c3.023,4.642,5.182,0.834,2.839-2.219c-1.032-1.354-4.309-5.901-0.781-7.252c2.904-1.113,4.271,1.941,5.985,4.592 c2.61,4.016,5.485,0.117,3.031-3.414c-1.828-2.633-2.74-3.803,3.156-7.42c6.405-4.369,6.52,3.869,10.077,0.646 c2.309-1.832-4.783-5.149,0.06-8.995c2.896-2.293,5.18,6.207,7.961,3.516c3.523-2.737-7.717-7.369,0.117-11.736 C473.413,240.77,480.519,242.891,482.414,245.296z"/> Extracellular space Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi Apparatus Nucleus Mitochondrion 0 1 2 3 4 5 Confidence
  • 质膜
  • 细胞质
  • 细胞外
  • 高尔基体
  • 囊泡
  • 细胞骨架
  • 内质网
  • 细胞核
  • 内体
  • 溶酶体
  • 线粒体

DAO基因的本体(GO)信息:

GO库代码
对应的蛋白质
来源代码
GO:0003884
A0A0B4J250 (UniProtKB)
IEA
GO:0046416
A0A0B4J250 (UniProtKB)
IEA
GO:0055114
A0A0B4J250 (UniProtKB)
IEA
GO:0071949
A0A0B4J250 (UniProtKB)
IEA
GO:0003884
A0A0B4J257 (UniProtKB)
IEA
GO:0046416
A0A0B4J257 (UniProtKB)
IEA
GO:0055114
A0A0B4J257 (UniProtKB)
IEA
GO:0071949
A0A0B4J257 (UniProtKB)
IEA
GO:0003884
F8VV35 (UniProtKB)
IEA
GO:0046416
F8VV35 (UniProtKB)
IEA
GO:0055114
F8VV35 (UniProtKB)
IEA
GO:0071949
F8VV35 (UniProtKB)
IEA
GO:0003884
F8VVT2 (UniProtKB)
IEA
GO:0046416
F8VVT2 (UniProtKB)
IEA
GO:0055114
F8VVT2 (UniProtKB)
IEA
GO:0071949
F8VVT2 (UniProtKB)
IEA
GO:0003884
F8W152 (UniProtKB)
IEA
GO:0046416
F8W152 (UniProtKB)
IEA
GO:0055114
F8W152 (UniProtKB)
IEA
GO:0071949
F8W152 (UniProtKB)
IEA
GO:0003884
P14920 (UniProtKB)
IDA
GO:0003884
P14920 (UniProtKB)
IDA
GO:0003884
P14920 (UniProtKB)
IDA
GO:0003884
P14920 (UniProtKB)
IDA
GO:0003884
P14920 (UniProtKB)
IDA
GO:0003884
P14920 (UniProtKB)
IDA
GO:0003884
P14920 (UniProtKB)
TAS
GO:0005102
P14920 (UniProtKB)
IPI
GO:0005515
P14920 (UniProtKB)
IPI
GO:0005515
P14920 (UniProtKB)
IPI
GO:0005515
P14920 (UniProtKB)
IPI
GO:0005515
P14920 (UniProtKB)
IPI
GO:0005515
P14920 (UniProtKB)
IPI
GO:0005777
P14920 (UniProtKB)
IDA
GO:0005778
P14920 (UniProtKB)
IDA
GO:0005782
P14920 (UniProtKB)
TAS
GO:0005829
P14920 (UniProtKB)
IDA
GO:0006562
P14920 (UniProtKB)
IDA
GO:0036088
P14920 (UniProtKB)
IDA
GO:0042416
P14920 (UniProtKB)
IDA
GO:0046487
P14920 (UniProtKB)
TAS
GO:0046983
P14920 (UniProtKB)
IDA
GO:0046983
P14920 (UniProtKB)
IDA
GO:0048037
P14920 (UniProtKB)
IDA
GO:0055114
P14920 (UniProtKB)
IEA
GO:0055130
P14920 (UniProtKB)
IDA
GO:0055130
P14920 (UniProtKB)
IDA
GO:0070178
P14920 (UniProtKB)
IDA
GO:0071949
P14920 (UniProtKB)
IDA
GO:0071949
P14920 (UniProtKB)
IDA
GO:0071949
P14920 (UniProtKB)
IDA
GO:0005741
P14920 (UniProtKB)
IDA

可能调控 DAO基因的相关microRNA:     

Reactome

BioGrid

IntAct

mentha

String

基因与其他基因之间的相互作用关系图
序号 作用方式 资源库来源/分值 基因名称 基因名称
疾病名称 关系值 NofPmids NofSnps 来源
疾病名称 关系值 NofPmids NofSnps 来源
Schizophrenia 0.181352047 41 8 BeFree_CTD_human_GAD_LHGDN
Autistic Disorder 0.122367032 1 0 CTD_human_GAD
Amyotrophic Lateral Sclerosis 0.12 0 0 ORPHANET
Bipolar Disorder 0.011454097 7 0 BeFree_GAD_LHGDN
MAJOR AFFECTIVE DISORDER 4 0.002909916 2 0 BeFree_GAD
MAJOR AFFECTIVE DISORDER 5 0.002909916 2 0 BeFree_GAD
MAJOR AFFECTIVE DISORDER 6 0.002909916 2 0 BeFree_GAD
MAJOR AFFECTIVE DISORDER 7 0.002909916 2 0 BeFree_GAD
MAJOR AFFECTIVE DISORDER 2 0.002909916 2 0 BeFree_GAD
MAJOR AFFECTIVE DISORDER 1 0.002909916 2 0 BeFree_GAD

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