DPP4 (dipeptidyl peptidase 4)

symbol:
DPP4
locus group:
protein-coding gene
location:
2q24.2
gene_family:
CD molecules
alias symbol:
DPPIV
alias name:
None
entrez id:
1803
ensembl gene id:
ENSG00000197635
ucsc gene id:
uc002ubz.4
refseq accession:
NM_001379604
hgnc_id:
HGNC:3009
approved reserved:
1990-03-05
2q24.2
基因染色体位置图

DPP4(二肽基肽酶4)是一种位于细胞膜表面的糖蛋白,属于丝氨酸蛋白酶家族,也被称为CD26。它主要通过剪切蛋白质N末端的二肽来调控多种生物活性肽的功能,包括GLP-1(胰高血糖素样肽-1)和GIP(葡萄糖依赖性促胰岛素多肽),这两种激素在调节血糖水平中起关键作用。DPP4的生物学功能涉及免疫调节、细胞信号传导和代谢调控,尤其在葡萄糖代谢中扮演重要角色,因此成为2型糖尿病治疗的重要靶点。DPP4抑制剂(如西格列汀)通过抑制该酶活性,延长GLP-1和GIP的作用时间,从而促进胰岛素分泌并降低血糖。DPP4在T细胞活化、炎症反应和肿瘤发展中也有作用,其表达水平与某些自身免疫性疾病和癌症(如结直肠癌)相关。DPP4基因突变可能导致酶活性改变,影响其底物的稳定性,进而干扰免疫和代谢功能。例如,某些突变与糖尿病风险增加或免疫缺陷相关。DPP4过表达可能增强对GLP-1的降解,导致胰岛素分泌减少和血糖升高,同时也可能促进炎症和肿瘤进展。相反,DPP4表达降低可能改善葡萄糖代谢,但可能削弱免疫监视功能。DPP4属于二肽基肽酶家族(DPP家族),该家族成员具有相似的蛋白酶结构域和切割二肽的活性,但各自底物特异性不同。DPP家族在肽激素调控、免疫功能和细胞迁移中发挥广泛作用。DPP4的广泛表达和多功能性使其成为代谢疾病、免疫紊乱和癌症研究的重要分子。

The protein encoded by this gene is identical to adenosine deaminase complexing protein-2, and to the T-cell activation antigen CD26. It is an intrinsic membrane glycoprotein and a serine exopeptidase that cleaves X-proline dipeptides from the N-terminus of polypeptides. [provided by RefSeq, Jul 2008]

由该基因编码的蛋白质是相同的腺苷脱氨酶络合蛋白2,并在T细胞活化抗原CD26。它是一种内在膜糖蛋白和丝氨酸外肽从多肽的N-末端裂解的X脯氨酸二肽。 [由RefSeq的,2008年7月提供]

DPP4基因的碱基序列:[NCBI]
Loading Gene Browser...
DPP4基因的碱基突变:           仅显示部分snp
rs13821       rs17574       rs17575       rs741529       rs759717       rs873826       rs956792       rs1014444       rs1014445       rs1129598       rs1129599       rs1558957       rs1861975       rs1861976       rs1861977       rs1861978       rs2042069      

DPP4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
TTCACTTTCAGCAGTCAGC
58
CATCAGTATACCACATTGCCT
58
GGAAGATGGAACTGCTTAGTG
59
TTCTGAAGGCCTAAATCTTCCA
60
TATTAGATGTGTATGCAGGCC
57
TGTGCTTGCAAGGTAAGTG
58
AAGGTTCTTCTGGGACTGC
60
GCTGTAGCATCATCTGTGC
59
TACAACTACGTGAAGGCAG
57
ATTTATGACCCACTGGTGAC
58
AACTACGTGAAGCAATGGA
57
TCTCTTCTGTAATCAGCTGC
58
GAGGCGAAGTATTATCAGCTG
58
CTCTCAGCCCTTTATCATTCAC
59
CCTTTCCAGTCCTGGTCTG
60
AGCTGAATTGTCTTCCAGGA
59
ACAAAGGCACAGATGATGC
58
GAGCTGTTTCCATATTCAGCA
58
CGGTGGGAGTACTATGACTC
59
CTCTGTAATGGTCAAGGTTGTC
59
      尚未收录相关数据

DPP4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

DPP4基因的本体(GO)信息:

GO库代码
对应的蛋白质
来源代码
GO:0006508
F8WBB6 (UniProtKB)
IEA
GO:0016021
F8WBB6 (UniProtKB)
IEA
GO:0006508
F8WE17 (UniProtKB)
IEA
GO:0006508
H7C1N5 (UniProtKB)
IEA
GO:0001618
P27487 (UniProtKB)
IDA
GO:0001662
P27487 (UniProtKB)
IEA
GO:0001666
P27487 (UniProtKB)
IDA
GO:0002020
P27487 (UniProtKB)
IPI
GO:0004252
P27487 (UniProtKB)
IEA
GO:0005102
P27487 (UniProtKB)
IPI
GO:0005515
P27487 (UniProtKB)
IPI
GO:0005515
P27487 (UniProtKB)
IPI
GO:0005515
P27487 (UniProtKB)
IPI
GO:0005515
P27487 (UniProtKB)
IPI
GO:0005515
P27487 (UniProtKB)
IPI
GO:0005515
P27487 (UniProtKB)
IPI
GO:0005515
P27487 (UniProtKB)
IPI
GO:0005515
P27487 (UniProtKB)
IPI
GO:0005515
P27487 (UniProtKB)
IPI
GO:0005515
P27487 (UniProtKB)
IPI
GO:0005515
P27487 (UniProtKB)
IPI
GO:0005515
P27487 (UniProtKB)
IPI
GO:0005515
P27487 (UniProtKB)
IPI
GO:0005515
P27487 (UniProtKB)
IPI
GO:0005515
P27487 (UniProtKB)
IPI
GO:0005515
P27487 (UniProtKB)
IPI
GO:0005515
P27487 (UniProtKB)
IPI
GO:0005515
P27487 (UniProtKB)
IPI
GO:0005515
P27487 (UniProtKB)
IPI
GO:0005765
P27487 (UniProtKB)
IDA
GO:0005886
P27487 (UniProtKB)
IDA
GO:0005925
P27487 (UniProtKB)
IDA
GO:0006508
P27487 (UniProtKB)
IEA
GO:0008236
P27487 (UniProtKB)
IDA
GO:0008239
P27487 (UniProtKB)
IDA
GO:0008239
P27487 (UniProtKB)
IDA
GO:0008239
P27487 (UniProtKB)
IDA
GO:0008239
P27487 (UniProtKB)
IDA
GO:0008284
P27487 (UniProtKB)
IDA
GO:0009986
P27487 (UniProtKB)
IDA
GO:0009986
P27487 (UniProtKB)
IDA
GO:0009986
P27487 (UniProtKB)
IDA
GO:0009986
P27487 (UniProtKB)
IDA
GO:0010716
P27487 (UniProtKB)
IDA
GO:0016020
P27487 (UniProtKB)
IDA
GO:0016021
P27487 (UniProtKB)
IEA
GO:0016324
P27487 (UniProtKB)
IDA
GO:0030027
P27487 (UniProtKB)
IDA
GO:0030139
P27487 (UniProtKB)
IDA
GO:0031258
P27487 (UniProtKB)
IEA
GO:0031295
P27487 (UniProtKB)
IDA
GO:0031295
P27487 (UniProtKB)
IDA
GO:0033632
P27487 (UniProtKB)
IDA
GO:0035641
P27487 (UniProtKB)
IEA
GO:0036343
P27487 (UniProtKB)
IEA
GO:0042110
P27487 (UniProtKB)
IDA
GO:0042802
P27487 (UniProtKB)
IPI
GO:0042803
P27487 (UniProtKB)
IPI
GO:0042803
P27487 (UniProtKB)
IPI
GO:0043542
P27487 (UniProtKB)
IDA
GO:0045121
P27487 (UniProtKB)
IEA
GO:0046581
P27487 (UniProtKB)
IEA
GO:0046718
P27487 (UniProtKB)
IEA
GO:0070062
P27487 (UniProtKB)
IDA
GO:0070062
P27487 (UniProtKB)
IDA
GO:0070062
P27487 (UniProtKB)
IDA
GO:0070062
P27487 (UniProtKB)
IDA
GO:0070062
P27487 (UniProtKB)
IDA
GO:0070062
P27487 (UniProtKB)
IDA
GO:0070062
P27487 (UniProtKB)
IDA
GO:0071438
P27487 (UniProtKB)
IDA

可能调控 DPP4基因的相关microRNA:     

MINT

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
Proteinuria 0.12 1 0 CTD_human
Rheumatoid Arthritis 0.12 1 1 GWASCAT
Prostatic Neoplasms 0.0054487 2 0 LHGDN
Adenocarcinoma 0.0054487 2 0 LHGDN
Diabetes Mellitus, Non-Insulin-Dependent 0.005157396 19 0 BeFree
Severe Combined Immunodeficiency 0.003538676 4 0 BeFree_LHGDN
Glioma 0.003538676 4 0 BeFree_LHGDN
Metabolic Syndrome X 0.003452799 4 0 BeFree_GAD
Hepatitis C, Chronic 0.003267234 3 0 BeFree_LHGDN
Adult T-Cell Lymphoma/Leukemia 0.003267234 2 0 BeFree_LHGDN

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