NKX2-1 (NK2 homeobox 1)

symbol:
NKX2-1
locus group:
protein-coding gene
location:
14q13.3
gene_family:
NKL subclass homeoboxes and pseudogenes
alias symbol:
TTF-1|TTF1
alias name:
None
entrez id:
7080
ensembl gene id:
ENSG00000136352
ucsc gene id:
uc059axg.1
refseq accession:
NM_003317
hgnc_id:
HGNC:11825
approved reserved:
1992-06-12
14q13.3
基因染色体位置图

NKX2-1(也称为甲状腺转录因子1,TTF-1)是一种重要的转录因子基因,属于NKX基因家族(NK homeobox family),该家族成员均含有保守的同源异型盒(homeobox)结构域,能够结合DNA并调控下游靶基因的表达。NKX2-1主要在甲状腺、肺和中枢神经系统(尤其是下丘脑)中表达,其编码的蛋白质通过调控细胞分化、器官发育及功能维持发挥关键作用。在甲状腺中,NKX2-1激活甲状腺球蛋白(TG)和甲状腺过氧化物酶(TPO)等基因的表达,促进甲状腺激素合成;在肺中,它参与肺泡上皮细胞(特别是Ⅱ型细胞)的发育及表面活性物质相关蛋白(如SP-A、SP-B)的调控;在大脑中则影响神经内分泌功能的建立。 NKX2-1的突变或缺失可导致多种疾病。例如,杂合突变可能引起“脑-肺-甲状腺综合征”(也称NKX2-1相关障碍),表现为先天性甲状腺功能减退、新生儿呼吸窘迫及神经系统异常(如舞蹈样运动障碍)。在肿瘤中,NKX2-1的表达异常与肺癌(尤其是肺腺癌)相关——其过表达可能促进肿瘤发生,而表达缺失则与甲状腺癌转移有关。此外,NKX2-1的调控异常还可能影响其他基因(如FOXA1、SFTPB)的功能,导致肺发育不全或激素分泌紊乱。 NKX2-1基因家族的共性包括:通过同源异型盒结构域识别特定DNA序列(如TAATGA),调控胚胎发育及组织特异性分化;成员间功能部分冗余,但各自具有独特的时空表达模式。若NKX2-1过表达,可能增强甲状腺或肺上皮细胞的增殖,但过度激活可能诱发肿瘤;反之,低表达会导致器官发育缺陷(如甲状腺发育不全或肺表面活性物质缺乏)。研究NKX2-1的机制对理解发育疾病、癌症及设计靶向治疗具有重要意义。

This gene encodes a protein initially identified as a thyroid-specific transcription factor. The encoded protein binds to the thyroglobulin promoter and regulates the expression of thyroid-specific genes but has also been shown to regulate the expression of genes involved in morphogenesis. Mutations and deletions in this gene are associated with benign hereditary chorea, choreoathetosis, congenital hypothyroidism, and neonatal respiratory distress, and may be associated with thyroid cancer. Multiple transcript variants encoding different isoforms have been found for this gene. This gene shares the symbol/alias 'TTF1' with another gene, transcription termination factor 1, which plays a role in ribosomal gene transcription. [provided by RefSeq, Feb 2014]

这个基因编码初步确定为一个特定甲状腺转录因子的蛋白质。所编码的蛋白质结合于甲状腺球蛋白启动子和调控的甲状腺特异性基因的表达,但也已经显示调节参与形态的基因的表达。突变和缺失这个基因与遗传性良性舞蹈病,舞蹈手足徐动,先天性甲状腺功能低下,新生儿呼吸窘迫有关,并可能与甲状腺癌有关。已发现该基因编码不同亚型的多个抄本变形。这个基因股符号/别名‘TTF1‘与另一基因,转录终止因子1,它在核糖体基因的转录的作用。 [由RefSeq的,2014年2月提供]

NKX2-1基因的碱基序列:[NCBI]
Loading Gene Browser...
NKX2-1基因的碱基突变:           仅显示部分snp
rs4899351       rs12588111       rs12894724       rs35710229       rs58141608       rs71448073       rs74364506       rs78271859       rs117266590       rs138276675       rs141242928       rs142841782       rs148249993       rs376854879       rs529693449       rs536939878       rs538727513      

NKX2-1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
TACCAGGACACCATGAGGA
59
CATGTTCTTGCTCACGTCC
59
TGATGTCCTCGGAAAGTCAG
59
GTCAGTCTGTCTGCCTCTC
59
GATGTCCTCGGAAAGTCAG
57
GTCAGTCTGTCTGCCTCTC
59
AGGACACCATGAGGAACAG
59
CCATGTTCTTGCTCACGTC
59
ATGTCCTCGGAAAGTCAGC
59
GTCAGTCTGTCTGCCTCTC
59
AGGACACCATGAGGAACAG
59
CATGTTCTTGCTCACGTCC
59
转录因子
影响基因
影响类型
参考文献链接(PubMed)
FOXA1
NKX2-1
Unknown
FOXA2
NKX2-1
Unknown
FOXP2
NKX2-1
Repression
NKX2-1
LMO3
Unknown
NKX2-1
RET
Repression
NKX2-1
SFTPA1
Unknown
NKX2-1
SFTPB
Activation
NKX2-1
SFTPB
Unknown
NKX2-1
SP1
Unknown
NKX2-1
STK11
Repression

NKX2-1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

NKX2-1基因的本体(GO)信息:

GO库代码
对应的蛋白质
来源代码
GO:0000122
P43699 (UniProtKB)
IDA
GO:0000977
P43699 (UniProtKB)
IDA
GO:0001012
P43699 (UniProtKB)
IDA
GO:0001047
P43699 (UniProtKB)
ISS
GO:0001161
P43699 (UniProtKB)
ISS
GO:0001764
P43699 (UniProtKB)
IEA
GO:0002016
P43699 (UniProtKB)
IEA
GO:0003677
P43699 (UniProtKB)
IMP
GO:0003700
P43699 (UniProtKB)
IDA
GO:0003700
P43699 (UniProtKB)
IMP
GO:0003700
P43699 (UniProtKB)
IDA
GO:0003700
P43699 (UniProtKB)
IDA
GO:0003705
P43699 (UniProtKB)
IEA
GO:0005515
P43699 (UniProtKB)
IPI
GO:0005515
P43699 (UniProtKB)
IPI
GO:0005515
P43699 (UniProtKB)
IPI
GO:0005634
P43699 (UniProtKB)
IDA
GO:0005634
P43699 (UniProtKB)
IDA
GO:0005654
P43699 (UniProtKB)
ISS
GO:0005667
P43699 (UniProtKB)
IEA
GO:0006351
P43699 (UniProtKB)
IEA
GO:0006644
P43699 (UniProtKB)
IEA
GO:0007411
P43699 (UniProtKB)
IEA
GO:0007420
P43699 (UniProtKB)
IMP
GO:0007492
P43699 (UniProtKB)
IEA
GO:0007626
P43699 (UniProtKB)
IEA
GO:0007631
P43699 (UniProtKB)
IEA
GO:0009725
P43699 (UniProtKB)
IEP
GO:0010628
P43699 (UniProtKB)
IDA
GO:0010719
P43699 (UniProtKB)
IDA
GO:0019899
P43699 (UniProtKB)
IPI
GO:0021759
P43699 (UniProtKB)
IMP
GO:0021766
P43699 (UniProtKB)
IEA
GO:0021795
P43699 (UniProtKB)
IEA
GO:0021798
P43699 (UniProtKB)
IEA
GO:0021877
P43699 (UniProtKB)
IEA
GO:0021892
P43699 (UniProtKB)
IEA
GO:0021983
P43699 (UniProtKB)
IEA
GO:0030324
P43699 (UniProtKB)
IEP
GO:0030324
P43699 (UniProtKB)
IEP
GO:0030336
P43699 (UniProtKB)
IDA
GO:0030512
P43699 (UniProtKB)
IDA
GO:0030878
P43699 (UniProtKB)
IMP
GO:0030878
P43699 (UniProtKB)
IEP
GO:0030900
P43699 (UniProtKB)
IEP
GO:0031128
P43699 (UniProtKB)
IEA
GO:0032496
P43699 (UniProtKB)
IEA
GO:0033327
P43699 (UniProtKB)
IEA
GO:0042538
P43699 (UniProtKB)
IEA
GO:0042753
P43699 (UniProtKB)
ISS
GO:0044212
P43699 (UniProtKB)
IDA
GO:0044212
P43699 (UniProtKB)
IDA
GO:0044212
P43699 (UniProtKB)
IMP
GO:0044212
P43699 (UniProtKB)
IDA
GO:0044213
P43699 (UniProtKB)
IDA
GO:0045471
P43699 (UniProtKB)
IEA
GO:0045892
P43699 (UniProtKB)
ISS
GO:0045893
P43699 (UniProtKB)
ISS
GO:0045893
P43699 (UniProtKB)
IDA
GO:0045893
P43699 (UniProtKB)
IMP
GO:0045944
P43699 (UniProtKB)
IDA
GO:0045944
P43699 (UniProtKB)
IDA
GO:0045944
P43699 (UniProtKB)
IDA
GO:0046545
P43699 (UniProtKB)
IEA
GO:0048511
P43699 (UniProtKB)
IEA
GO:0048646
P43699 (UniProtKB)
IEA
GO:0048709
P43699 (UniProtKB)
IEA
GO:0060430
P43699 (UniProtKB)
IEA
GO:0060441
P43699 (UniProtKB)
IEP
GO:0060486
P43699 (UniProtKB)
IEA
GO:0060510
P43699 (UniProtKB)
IEA

可能调控 NKX2-1基因的相关microRNA:     

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
Choreoathetosis, Hypothyroidism, And Neonatal Respiratory Distress 0.480814326 5 5 BeFree_CLINVAR_CTD_human_ORPHANET_UNIPROT
Benign Hereditary Chorea 0.365428837 20 5 BeFree_CLINVAR_ORPHANET_UNIPROT
Diaphragmatic Hernia 0.2 3 0 CTD_human_RGD
Papillary thyroid carcinoma 0.123800186 14 0 BeFree_ORPHANET
Chorea 0.123538676 4 0 BeFree_CTD_human_LHGDN
Lung diseases 0.121628651 7 0 BeFree_CTD_human
Adenocarcinoma 0.033718381 69 0 BeFree_LHGDN
Thyroid Neoplasm 0.014264324 10 0 BeFree_GAD_LHGDN
Congenital Hypothyroidism 0.009705894 17 0 BeFree_GAD_LHGDN
Lung Neoplasms 0.008163119 12 0 BeFree_LHGDN

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