GRP (gastrin releasing peptide)

symbol:
GRP
locus group:
protein-coding gene
location:
18q21.32
gene_family:
Endogenous ligands
alias symbol:
None
alias name:
bombesin|neuromedin C|prepro-GRP
entrez id:
2922
ensembl gene id:
ENSG00000134443
ucsc gene id:
uc002lhv.4
refseq accession:
NM_002091
hgnc_id:
HGNC:4605
approved reserved:
1986-01-01
18q21.32

GRP(胃泌素释放肽)是一种由27个氨基酸组成的神经肽,属于蛙皮素样肽(bombesin-like peptide)家族。该家族成员在结构上具有高度保守的C端区域,能够通过G蛋白偶联受体(如GRPR、BRS-3和NMBR)介导信号传导,参与多种生理功能。GRP主要由中枢神经系统和胃肠道神经内分泌细胞分泌,在调节胃酸分泌、平滑肌收缩、细胞增殖和神经传递中发挥重要作用。GRP通过与GRPR受体结合激活下游信号通路(如PLC/PKC和MAPK),影响细胞生长和分化。GRP基因突变可能导致其功能异常,与多种疾病相关,例如GRP过表达与神经内分泌肿瘤(如小细胞肺癌)、前列腺癌和结肠癌的发生发展密切相关,因其能促进肿瘤细胞增殖和血管生成。此外,GRP在神经系统中的作用也备受关注,其表达异常可能与自闭症、精神分裂症等神经精神疾病有关。降低GRP表达可能影响胃肠动力和胃酸分泌,导致消化功能紊乱,同时可能抑制某些肿瘤的生长。GRP家族成员(如蛙皮素和神经介素B)均具有相似的生物活性,参与应激反应、体温调节和能量代谢等共同功能。研究GRP及其受体为开发抗肿瘤药物和神经精神疾病治疗提供了潜在靶点。

中文English

GRP基因的碱基序列:[NCBI]
Loading Gene Browser...
蛋白质序列
1MRGRELPLVL LALVLCLAPR GRAVPLPAGG GTVLTKMYPR
41GNHWAVGHLM GKKSTGESSS VSERGSLKQQ LREYIRWEEA
81 ARNLLGLIE AKENRNHQPP QPKALGNQQP SWDSEDSSNF
121KDVGSKGKVG RLSAPGSQRE GRNPQLNQQ
结构预测来自 AlphaFold DB(UniProt: P07492),颜色表示 pLDDT 置信度(深蓝高、黄橙低)。
GRP基因的碱基突变:           仅显示部分snp
rs2742       rs15526       rs936431       rs1062557       rs1533477       rs1533478       rs1563713       rs4940452       rs10221365       rs11664935       rs11872122       rs11873324       rs11875195       rs17065627       rs17065639       rs17065643       rs17065649      

GRP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
GAGAACAGAAACCACCAGC
59
GAGAGTCTACCAACTTTGCC
58
GAGAACAGAAACCACCAGC
59
TCACGTTGAGAACCTTTGC
59
CAGCAACTTCAAAGATGTAGGT
59
TTCACGTTGAGAACCTGGA
59
GCAGCAACTTCAAAGATTTGG
59
ATCATTGCTGGTTCAGCTG
59
AGCAGCAACTTCAAAGATACTC
59
ATCATTGCTGGTTCAGCTG
59
GCAGCAACTTCAAAGATTTGG
59
GTTCCTTCCTTCACGTTGAG
59
AGGAGAACAGAAACCACCAG
60
ACGTTGAGAACCTTTGCCT
60
GGAGAACAGAAACCACCAG
58
AGAGTCTACCAACTTTGCCT
59
CAGCAACTTCAAAGATGTAGG
57
TTCACGTTGAGAACCTGGA
59
GCAGCAACTTCAAAGATACTC
58
ATCATTGCTGGTTCAGCTG
59
      尚未收录相关数据

GRP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

GRP基因的本体(GO)信息:

GO库代码
对应的蛋白质
来源代码
GO:0005102
P07492 (UniProtKB)
NAS
GO:0005184
P07492 (UniProtKB)
IDA
GO:0005576
P07492 (UniProtKB)
TAS
GO:0005576
P07492 (UniProtKB)
TAS
GO:0005576
P07492 (UniProtKB)
TAS
GO:0005576
P07492 (UniProtKB)
TAS
GO:0005615
P07492 (UniProtKB)
IDA
GO:0007165
P07492 (UniProtKB)
NAS
GO:0007218
P07492 (UniProtKB)
IDA

可能调控 GRP基因的相关microRNA:     

String
Reactome
加载中…
关联基因 作用方式 资源库来源/分值
疾病名称 关系值 NofPmids NofSnps 来源
疾病名称 关系值 NofPmids NofSnps 来源
Liver Neoplasms, Experimental 0.12 1 0 CTD_human
Amnesia 0.12 1 0 CTD_human
Head and Neck Neoplasms 0.12 1 0 CTD_human
Small cell carcinoma of lung 0.018487842 40 0 BeFree_LHGDN
Prostate carcinoma 0.006514605 24 0 BeFree
Malignant neoplasm of prostate 0.006243163 23 0 BeFree
Lung Neoplasms 0.005720142 3 0 BeFree_LHGDN
Degenerative polyarthritis 0.003267234 2 0 BeFree_LHGDN
Squamous cell carcinoma 0.002995792 1 0 BeFree_LHGDN
Neuroblastoma 0.002985861 11 0 BeFree
Heterogeneity between VIP and GRP neurons underlies AVP receptor signaling in the mouse suprachiasmatic nucleus.
Zhou H, Moriyasu D, Hsiao SW, Yamaguchi Y, Azuma M, Koshimizu TA, Itoi K, Sakimura K, Schwartz WJ, Okamura H, Hasegawa E, Doi M Commun Biol 2026-02-12
Modeling and simulation of VANET routing protocols under realistic mobility patterns.
Sharma S, Kour S, Sarangal H Sci Rep IF: 4.9 2026-02-15
Arthropod exosomal glycine-rich protein as a potential vaccine candidate effectively reduces tick blood-feeding and pathogen transmission.
Ahmed W, Zhou W, Bayzid M, LoBato DN, Fasae KD, Neelakanta G, Sultana H EMBO J IF: 8.4 2026-03-00
A brain-gut excitatory peptide/CCHamide homolog regulates satiation and motivational state transitions in the Aplysia feeding circuit.
Liu CP, Fu P, Pang D, McManus JM, Romanova EV, Thompson C, Jenckes MC, Sun C, Barry MA, Zhang YC, Xu JP, Ding XY, Mao RT, Liu CY, Li F, Zhang YL, Chang JH, Wu SQ, Cropper EC, Sweedler JV, Chiel HJ, Jing J, Zhang G J Biol Chem 2026-03-00
Intersectional expression of Foxp2 and Grp identifies cold-activated parabrachial neurons.
Grady FS, Leuang ML, Gasparini S, Zhu H, Geerling JC Am J Physiol Regul Integr Comp Physiol IF: 2.6 2026-07-01
The contribution of endocytic mediators to itch transmission.
Ferreira MA, Tonello R, Duran P, Trevett K, Jensen DD bioRxiv 2026-02-16

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