RLN1基因|松弛素1功能、疾病关联、突变与表达研究
RLN1编码松弛素1,参与妊娠、生殖及心血管调节,其异常表达与多种疾病相关。
基因信息卡
| 基因符号 | RLN1 |
|---|---|
| 基因全名 | relaxin 1 |
| 基因类型 | protein-coding |
| 染色体位置 | 9q33.3 |
| NCBI Gene ID | 6013 ncbi.nlm.nih.gov/gene/6013 |
| Ensembl ID | ENSG00000107175 |
| UniProt ID | P04808 |
| OMIM ID | 179730 |
| HGNC ID | 10027 |
| 基因别名 | H1, RLXH1, bA12J10.2 |
基因功能与研究简介
RLN1基因编码松弛素1,属于胰岛素样肽家族。松弛素1主要在生殖组织中表达,参与妊娠、分娩及生殖系统调节,同时具有心血管保护、抗纤维化等作用。RLN1的异常表达与妊娠相关疾病、心血管疾病及某些癌症有关。
疾病关联
| 疾病类别 | 疾病生理机制 | 基因组证据 |
|---|---|---|
| 妊娠期高血压 | RLN1表达异常可能影响血管舒张,与妊娠期高血压相关 | 较强研究证据 |
| 早产 | RLN1参与宫颈成熟和子宫收缩,其多态性可能与早产风险相关 | 潜在关联 |
| 心血管疾病 | 松弛素1具有血管舒张和抗纤维化作用,RLN1表达降低可能与心力衰竭等疾病相关 | 潜在关联 |
| 癌症 | RLN1在多种癌症中表达异常,可能促进肿瘤进展,但具体机制尚不明确 | 潜在关联 |
表达谱
组织表达
| 组织 | nTPM | 级别 |
|---|---|---|
| 子宫 | 暂无可靠数据 | 高表达 |
| 胎盘 | 暂无可靠数据 | 高表达 |
| 卵巢 | 暂无可靠数据 | 中等表达 |
| 心脏 | 暂无可靠数据 | 低表达 |
细胞系表达
| 细胞系 | nTPM | 笔记 |
|---|---|---|
| 人子宫内膜细胞 | 暂无可靠数据 | 表达 |
| 人胎盘滋养层细胞 | 暂无可靠数据 | 表达 |
| 人卵巢颗粒细胞 | 暂无可靠数据 | 表达 |
数据来源:Human Protein Atlas(proteinatlas.org)
突变与遗传变异
Hotspot Mutations
| 变体 | 类型 | 频率 | 功能描述 |
|---|---|---|---|
| rs3758239 | SNP | 未知 | 可能影响RLN1表达,与早产相关 |
| rs4744815 | SNP | 未知 | 可能影响RLN1表达,与妊娠期高血压相关 |
突变功能分类
Loss of Function(功能缺失,LOF)
暂无明确证据
Gain of Function(功能获得,GOF)
暂无明确证据
Dominant Negative(显性负效应,DN)
暂无明确证据
查看完整突变数据:
基因本体论 (Gene Ontology)
| • GO:0005179 hormone activity | • GO:0005576 extracellular region |
| • GO:0005615 extracellular space | • GO:0007165 signal transduction |
| • GO:0007267 cell-cell signaling | • GO:0007565 female pregnancy |
| • GO:0007566 embryo implantation | • GO:0007568 aging |
| • GO:0008284 positive regulation of cell population proliferation | • GO:0008285 negative regulation of cell population proliferation |
| • GO:0009725 response to hormone | • GO:0010628 positive regulation of gene expression |
| • GO:0030154 cell differentiation | • GO:0030335 positive regulation of cell migration |
| • GO:0031100 animal organ regeneration | • GO:0032496 response to lipopolysaccharide |
| • GO:0034097 response to cytokine | • GO:0042493 response to drug |
| • GO:0043066 negative regulation of apoptotic process | • GO:0045471 response to ethanol |
| • GO:0048545 response to steroid hormone | • GO:0050728 negative regulation of inflammatory response |
| • GO:0050729 positive regulation of inflammatory response | • GO:0051092 positive regulation of NF-kappaB transcription factor activity |
| • GO:0051384 response to glucocorticoid | • GO:0060135 maternal process involved in pregnancy |
| • GO:0060740 prostate gland epithelium morphogenesis | • GO:0070062 extracellular exosome |
| • GO:0070374 positive regulation of ERK1 and ERK2 cascade | • GO:0071222 cellular response to lipopolysaccharide |
| • GO:0071345 cellular response to cytokine stimulus | • GO:0071356 cellular response to tumor necrosis factor |
| • GO:0071363 cellular response to growth factor stimulus | • GO:0071392 cellular response to estradiol stimulus |
| • GO:0071542 dopaminergic neuron differentiation | • GO:1901653 cellular response to peptide |
| • GO:1901654 response to peptide | • GO:1902895 positive regulation of miRNA transcription |
| • GO:2000273 positive regulation of receptor activity |
相关通路
• Relaxin signaling pathway (R-HSA-444257)
• GPCR downstream signalling (R-HSA-388396)
• Signaling by GPCR (R-HSA-372790)
蛋白质功能简介
松弛素1(Relaxin-1)是由RLN1基因编码的蛋白激素,属于胰岛素样肽家族。该蛋白由A链和B链通过二硫键连接形成异二聚体,在结构上与胰岛素和胰岛素样生长因子相似。松弛素1主要在人子宫内膜、胎盘和卵巢中表达,在妊娠过程中发挥重要作用,包括促进子宫生长、软化宫颈、调节羊膜和绒毛膜等。此外,松弛素1还参与心血管系统的调节,具有血管舒张、抗纤维化、抗炎等作用。松弛素1通过结合其受体RXFP1(松弛素家族肽受体1)激活下游信号通路,如cAMP-PKA通路和MAPK通路,从而发挥生物学效应。