醛固酮调节的钠重吸收通路
中文名称
通路描述
钠在肾小管远端和结肠等重吸收组织的紧密上皮细胞间的跨膜转运是决定全身钠水平及长期血压的主要因素。醛固酮通过结合肾远端集合管细胞中的上皮矿皮质激素受体(MR)在钠和钾代谢中发挥重要作用,促进钠重吸收和钾排泄。醛固酮进入靶细胞并与MR结合,MR转入细胞核并调节基因转录。MR的激活导致Sgk-1表达增加,Sgk-1磷酸化Nedd4-2(一种泛素连接酶),Nedd4-2靶向ENAC进行蛋白酶体降解。磷酸化的Nedd4-2从ENAC上解离,增加其顶膜丰度。MR的激活还导致Na+/K+-ATP酶表达增加,从而引起从肾滤液中钠的净增加。MR对醛固酮的特异性由肾皮质集合管细胞中通过快速将皮质醇转化为皮质酮的11β-羟化酶2(11β-HSD2)提供。除了通过激活MR介导的基因组效应外,最近还报道了独立于翻译和转录的快速醛固酮作用。
英文描述
Axon guidance represents a key stage in the formation of neuronal network. Axons are guided by a variety of guidance factors, such as netrins, ephrins, Slits, and semaphorins. These guidance cues are read by growth cone receptors, and signal transduction pathways downstream of these receptors converge onto the Rho GTPases to elicit changes in cytoskeletal organization that determine which way the growth cone will turn.
所含基因
184 个基因
ABL1
ABLIM1
ABLIM2
ABLIM3
ARHGEF12
BMP7
BMPR1B
BMPR2
BOC
BUB1B-PAK6
CAMK2A
CAMK2B
CAMK2D
CAMK2G
CDC42
CDK5
CFL1
CFL2
CXCL12
CXCR4
DCC
DPYSL2
DPYSL5
EFNA1
EFNA2
EFNA3
EFNA4
EFNA4-EFNA3
EFNA5
EFNB1
EFNB2
EFNB3
ENAH
EPHA1
EPHA2
EPHA3
EPHA4
EPHA5
EPHA6
EPHA7
EPHA8
EPHB1
EPHB2
EPHB3
EPHB4
EPHB6
FES
FYN
FZD3
GDF7
GNAI1
GNAI2
GNAI3
GSK3B
HRAS
ILK
ITGB1
KRAS
L1CAM
LIMK1
LIMK2
LRIG2
LRRC4
LRRC4C
MAPK1
MAPK3
MET
MYL12A
MYL12B
MYL5
MYL9
NCK1
NCK2
NEO1
NFATC2
NFATC3
NFATC4
NGEF
NRAS
NRP1
NTN1
NTN3
NTN4
NTNG1
NTNG2
P3R3URF-PIK3R3
PAK1
PAK2
PAK3
PAK4
PAK5
PAK6
PARD3
PARD6A
PARD6B
PARD6G
PDPK1
PIK3CA
PIK3CB
PIK3CD
PIK3R1
PIK3R2
PIK3R3
PLCG1
PLCG2
PLXNA1
PLXNA2
PLXNA3
PLXNA4
PLXNB1
PLXNB2
PLXNB3
PLXNC1
PPP3CA
PPP3CB
PPP3CC
PPP3R1
PPP3R2
PRKCA
PRKCZ
PTCH1
PTK2
PTPN11
RAC1
RAC2
RAC3
RAF1
RASA1
RGMA
RGS3
RHOA
RHOD
RND1
ROBO1
ROBO2
ROBO3
ROCK1
ROCK2
RRAS
RYK
SEMA3A
SEMA3B
SEMA3C
SEMA3D
SEMA3E
SEMA3F
SEMA3G
SEMA4A
SEMA4B
SEMA4C
SEMA4D
SEMA4F
SEMA4G
SEMA5A
SEMA5B
SEMA6A
SEMA6B
SEMA6C
SEMA6D
SEMA7A
SHH
SLIT1
SLIT2
SLIT3
SMO
SRC
SRGAP1
SRGAP2
SRGAP3
SSH1
SSH2
SSH3
TRPC1
TRPC3
TRPC4
TRPC5
TRPC6
UNC5A
UNC5B
UNC5C
UNC5D
WNT4
WNT5A
WNT5B