MBP (myelin basic protein)

symbol:
MBP
locus group:
protein-coding gene
location:
18q23
gene_family:
alias symbol:
None
alias name:
None
entrez id:
4155
ensembl gene id:
ENSG00000197971
ucsc gene id:
uc002lmn.4
refseq accession:
NM_001025081
hgnc_id:
HGNC:6925
approved reserved:
1986-01-01
18q23

MBP(髓鞘碱性蛋白)是一种在中枢神经系统(CNS)中高度表达的蛋白质,主要由少突胶质细胞合成,是髓鞘的主要成分之一,约占髓鞘蛋白总量的30%。MBP的主要功能是维持髓鞘的结构完整性,通过其带正电荷的特性与带负电荷的脂质相互作用,促进髓鞘板层的紧密黏附,从而确保神经冲动的快速传导。MBP在发育过程中对髓鞘的形成和稳定至关重要,尤其在轴突的髓鞘化过程中发挥核心作用。MBP属于髓鞘碱性蛋白家族,该家族包括经典MBP(18.5 kDa亚型为主)及其剪接变体(如21.5 kDa、17.2 kDa等),这些变体通过选择性剪接产生,在不同发育阶段或神经区域中表达具有差异性,但均参与髓鞘的结构组装和功能调控。MBP基因(位于人类18号染色体)的突变或表达异常可导致严重的髓鞘疾病,例如在Shiverer突变小鼠中,MBP基因缺失会引起髓鞘严重缺失、震颤和早夭,类似地人类MBP突变与脑白质营养不良(如Pelizaeus-Merzbacher样病)相关。MBP的异常表达还与多发性硬化症(MS)密切相关,在MS患者中MBP常作为自身抗原引发免疫攻击,导致脱髓鞘病变。MBP过表达可能干扰少突胶质细胞正常分化,而表达不足则直接损害髓鞘形成,引发神经传导障碍。此外,MBP通过调控其他髓鞘相关蛋白(如PLP、MOG)的组装,影响整个髓鞘功能网络。在非神经系统中,MBP的异常表达还被发现与某些癌症的进展有关,可能通过影响细胞膜稳定性参与肿瘤转移。研究MBP对理解脱髓鞘疾病的机制和开发神经修复策略具有重要意义。

中文English

由经典MBP基因编码的蛋白质是少突胶质细胞和雪旺氏细胞中的神经系统的髓鞘的主要成分。然而,MBP-相关的转录也存在于骨髓和免疫系统。这些mRNA从包含位于经典MBP外显子的上游3个额外的外显子长MBP基因(否则称为“Golli-MBP”)出现。从Golli和MBP的转录起始位点的选择性剪接产生了2台的MBP相关转录物和基因产物。所述Golli的mRNA包含3个外显子特有Golli-MBP,在帧拼接到1以上的MBP外显子。它们编码有链接到MBP氨基酸序列N端Golli氨基酸序列杂交蛋白。成绩单的第二个家庭只包含MBP外显子和产生很好的特点髓鞘碱性蛋白。这种复杂的基因结构物种表明MBP的转录单位是Golli转录单元的一个组成部分之间,而且该布置是用于这些基因的功能和/或调节重要保守的。 [由RefSeq的,2008年7月提供]

MBP基因的碱基序列:[NCBI]
Loading Gene Browser...
蛋白质序列
1MGNHAGKREL NAEKASTNSE TNRGESEKKR NLGELSRTTS
41EDNEVFGEAD ANQNNGTSSQ DTAVTDSKRT ADPKNAWQDA
81 HPADPGSRP HLIRLFSRDA PGREDNTFKD RPSESDELQT
121IQEDSAATSE SLDVMASQKR PSQRHGSKYL ATASTMDHAR
161H GFLPRHRD TGILDSIGRF FGGDRGAPKR GSGKDSHHPA
201RTAHYGSLPQ KSHGRTQDEN PVVHFFKNIV TPRTPPPSQG
241KG RGLSLSR FSWGAEGQRP GFGYGGRASD YKSAHKGFKG
281VDAQGTLSKI FKLGGRDSRS GSPMARR
结构预测来自 AlphaFold DB(UniProt: P02686),颜色表示 pLDDT 置信度(深蓝高、黄橙低)。
MBP基因的碱基突变:           仅显示部分snp
rs898227       rs898229       rs948880       rs1026519       rs1026520       rs1026521       rs1612497       rs1667911       rs1667912       rs1667913       rs1667914       rs1674719       rs1674721       rs1674722       rs1674723       rs1674724       rs1674725      

MBP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
ATGTACAAGGACTCACACCA
59
TGAAGAAGTGGACTACGGG
59
CAAGAACATTGTGACGCCTC
60
ACCCAGCTAAATCTGCTCAG
60
TCAAGAACATTGTGACGCC
58
CTAGCCATGGGTGATCCAG
59
TAAATCGGCTCACAAGGGA
58
ACTATCTCTTCCTCCCAGCT
59
GAAGGCCAGTACGAATAGTG
58
TTGTCCTCTGAGGTTGTCC
59
GCAAGAACTGCTCACTACG
59
CCTAGTTGGTGAAGAAGTATAGAC
58
CAACGAAGTGTTCGGAGAG
58
TTTGAAGGTGTTGTCCTCC
57
CAAGAACATTGTGACGCCTC
60
GTAGCTCGGAGCCTAACTC
59
AAGTACCATGGACCATGCC
60
CGTAGTGAGCAGTTCTTGC
59
CTGAGCAGATTTAGCTGGG
58
CGACTATCTCTTCCTCCCAG
59
转录因子
影响基因
影响类型
参考文献链接(PubMed)
NF1
MBP
Unknown
NFIB
MBP
Activation
SOX10
MBP
Unknown

MBP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

MBP基因的本体(GO)信息:

GO库代码
对应的蛋白质
来源代码
GO:0019911
A8MZH3 (UniProtKB)
IEA
GO:0019911
C9J6H1 (UniProtKB)
IEA
GO:0019911
E9PJ72 (UniProtKB)
IEA
GO:0019911
E9PKX9 (UniProtKB)
IEA
GO:0019911
E9PLQ9 (UniProtKB)
IEA
GO:0019911
E9PLU9 (UniProtKB)
IEA
GO:0019911
E9PMR5 (UniProtKB)
IEA
GO:0019911
E9PNZ1 (UniProtKB)
IEA
GO:0019911
E9PQE7 (UniProtKB)
IEA
GO:0019911
E9PSE2 (UniProtKB)
IEA
GO:0019911
F5H7N4 (UniProtKB)
IEA
GO:0019911
F8WEU6 (UniProtKB)
IEA
GO:0019911
H0YEA2 (UniProtKB)
IEA
GO:0019911
H0YF02 (UniProtKB)
IEA
GO:0019911
H7BYR8 (UniProtKB)
IEA
GO:0019911
J3KS94 (UniProtKB)
IEA
GO:0019911
J3KT01 (UniProtKB)
IEA
GO:0019911
J3KT34 (UniProtKB)
IEA
GO:0019911
J3QKL5 (UniProtKB)
IEA
GO:0019911
J3QL64 (UniProtKB)
IEA
GO:0019911
J3QQK6 (UniProtKB)
IEA
GO:0002020
P02686 (UniProtKB)
IEA
GO:0005515
P02686 (UniProtKB)
IPI
GO:0005515
P02686 (UniProtKB)
IPI
GO:0005515
P02686 (UniProtKB)
IPI
GO:0005634
P02686 (UniProtKB)
IEA
GO:0005886
P02686 (UniProtKB)
IEA
GO:0006955
P02686 (UniProtKB)
TAS
GO:0007268
P02686 (UniProtKB)
TAS
GO:0007417
P02686 (UniProtKB)
TAS
GO:0007568
P02686 (UniProtKB)
IEA
GO:0008366
P02686 (UniProtKB)
TAS
GO:0009636
P02686 (UniProtKB)
IEA
GO:0019911
P02686 (UniProtKB)
IBA
GO:0021762
P02686 (UniProtKB)
IEP
GO:0032570
P02686 (UniProtKB)
IEA
GO:0033269
P02686 (UniProtKB)
IBA
GO:0034612
P02686 (UniProtKB)
IEA
GO:0042552
P02686 (UniProtKB)
IBA
GO:0043025
P02686 (UniProtKB)
IBA
GO:0043218
P02686 (UniProtKB)
IBA
GO:0046689
P02686 (UniProtKB)
IEA
GO:0050771
P02686 (UniProtKB)
IEA
GO:0061024
P02686 (UniProtKB)
IEA
GO:0070542
P02686 (UniProtKB)
IEA
GO:0071944
P02686 (UniProtKB)
IBA

可能调控 MBP基因的相关microRNA:     

String
BioGrid
IntAct
mentha
MINT
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
Demyelinating Diseases 0.201900093 9 0 BeFree_CTD_human_RGD
Experimental Autoimmune Encephalomyelitis 0.129771907 39 0 BeFree_CTD_human
Neuromyelitis Optica 0.12 1 0 CTD_human
Schizophrenia 0.0889015 7 0 BeFree_GAD_LHGDN_RGD
Encephalitis 0.08272435 2 0 LHGDN_RGD
Diabetes Mellitus, Experimental 0.08 1 0 RGD
Transient Ischemic Attack 0.08 1 0 RGD
Carbon Monoxide Poisoning 0.08 1 0 RGD
Huntington Disease 0.08 1 0 RGD
Hypoxia-Ischemia, Brain 0.08 1 0 RGD
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Ouyang Y, Yu L, Shi Y, Chen Z, Tang X, Jin J, Huang Z, Tang X, Zhu B, Wang X Biology (Basel) 2026-02-03
Thyroid hormones drive central nervous system remodelling during flatfish metamorphosis.
Olvera A, Carballo C, Lazcano I, Orozco A, Manchado M, Power DM Mol Cell Endocrinol IF: 3.4 2026-06-00
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Sanders MJ, Bursch B J Clin Psychol Med Settings IF: 1.6 2026-02-13
Clinical, molecular and microbial characterisation of the eosinophilic endotype of bronchiectasis: data from the EMBARC-BRIDGE study.
Pollock J, Huang JTJ, Shuttleworth M, Long MB, Richardson H, Alferes de Lima D, Kuzmanova E, Clarke C, Shteinberg M, Aliberti S, Haworth C, Chotirmall SH, Polverino E, Goeminne PC, Loebinger M, Lorent N, Ringshausen FC, Sibila O, Rodriguez-Suarez E, McCrae C, Shoemark A, Chalmers JD Thorax IF: 9.1 2026-06-15
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Kim YJ, Jung JH, Jung DH, Woo EJ, Yang SK, Seo DH, Park CS Int J Biol Macromol IF: 8.7 2026-03-00

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