ApplicationsTNFR蛋白家族概述
一、家族规模与命名TNF受体超家族(TNF Receptor Superfamily, TNFRSF)目前包含29个成员,编号从TNFRSF1A至TNFRSF29。其配体属于TNF超家族(TNFSF),包含19个成员。这些分子形成复杂的调控网络,贯穿免疫系统的发育、活化、记忆形成和稳态维持。(1)结构特征所有TNFR家族成员共享以下结构特点:胞外域:1-6个
一、家族规模与命名
TNF受体超家族(TNF Receptor Superfamily, TNFRSF)目前包含29个成员,编号从TNFRSF1A至TNFRSF29。其配体属于TNF超家族(TNFSF),包含19个成员。这些分子形成复杂的调控网络,贯穿免疫系统的发育、活化、记忆形成和稳态维持。
(1)结构特征
所有TNFR家族成员共享以下结构特点:
胞外域:1-6个富含半胱氨酸的结构域(CRD),形成特征性的"CRD棒"构象
跨膜域:单次跨膜α螺旋
胞内域:长度从4个氨基酸(TACI)到超过400个氨基酸(NGFR)不等。
(2)根据胞内域结构分为两类:
死亡受体:含死亡结构域(DD),包括TNFR1、Fas、DR3、DR4、DR5、DR6,主要诱导细胞凋亡或坏死性凋亡
非死亡受体:无DD,通过TRAF蛋白传递信号,包括TNFR2、CD40、CD27、4-1BB、OX40、GITR等,主要促进细胞存活和活化
(3)配体-受体对应关系
受体TNFRSF | 常见名称 | 配体(TNFSF) | 常见名称 | 主要表达细胞 |
TNFRSF1A | TNFR1,CD120a,p55 | TNFSF1A/B | TNF-α,TNF-β(LT-α) | 广泛表达 |
TNFRSF1B | TNFR2,CD120b,p75 | TNFSF1A/B | TNF-α,TNF-β(LT-α) | 免疫细胞、内皮细胞、神经元 |
TNFRSF3 | LTβR | TNFSF1B/2/3 | TNF-β(LT-α),LT-β,LIGHT | 上皮细胞、基质细胞、DC |
TNFRSF4 | OX40,CD134 | TNFSF4 | OX40L,gp34 | 活化T细胞 |
TNFRSF5 | CD40,Bp50 | TNFSF5 | CD40L,CD154,TRAP | APC(DC、B细胞、巨噬细胞)、内皮细胞 |
TNFRSF6 | Fas,CD95,APO-1 | TNFSF6 | FasL,CD178,APO-1L | 广泛表达(活化后上调) |
TNFRSF7 | CD27,T14,S152 | TNFSF7 | CD70,CD27L,Ki-24 | T细胞、B细胞、NK细胞 |
TNFRSF8 | CD30,Ki-1 | TNFSF8 | CD30L,CD153 | 活化T细胞、B细胞、Hodgkin淋巴瘤 |
TNFRSF9 | 4-1BB,CD137,ILA | TNFSF9 | 4-1BBL,CD137L | 活化T细胞、NK细胞、DC |
TNFRSF10A | DR4,TRAILR1,APO2 | TNFSF10 | TRAIL,APO-2L,TL2 | 广泛表达(肿瘤中上调) |
TNFRSF10B | DR5,TRAILR2,KILLER | TNFSF10 | TRAIL,APO-2L,TL2 | 广泛表达(肿瘤中上调) |
TNFRSF10C | DcR1,TRAILR3,LIT | TNFSF10 | TRAIL,APO-2L,TL2 | 正常组织( GPI锚定,无胞内域) |
TNFRSF10D | DcR2,TRAILR4,TRUNDD | TNFSF10 | TRAIL,APO-2L,TL2 | 正常组织(截短胞内域) |
TNFRSF11A | RANK,ODFR,TRANCE-R | TNFSF11 | RANKL,ODF,TRANCE,OPGL | 破骨细胞前体、DC、T细胞 |
TNFRSF11B | OPG,OCIF,TR1 | TNFSF11 | RANKL(作为诱骗受体) | 成骨细胞、血管内皮细胞 |
TNFRSF12A | TWEAKR,Fn14,DR3 | TNFSF12 | TWEAK,APO3L | 内皮细胞、成纤维细胞、肿瘤细胞 |
TNFRSF13B | TACI,CAML interactor | TNFSF13B/APRIL,TNFSF13 | BAFF,APRIL | B细胞、浆细胞 |
TNFRSF13C | BAFFR,BR3 | TNFSF13B | BAFF,BLyS,TALL-1,THANK | B细胞、T细胞(活化后) |
TNFRSF14 | HVEM,ATAR,HveA,TR2 | TNFSF14/LIGHT,TNFSF1B | LIGHT,LT-α,BTLA,CD160,UL144(HSV) | T细胞、B细胞、NK细胞、DC |
TNFRSF16 | NGFR,p75NTR,CD271 | NGF,BDNF,NT-3,NT-4 | 神经生长因子家族 | 神经元、施万细胞、少突胶质细胞 |
TNFRSF17 | BCMA,TNFRSF13A | TNFSF13B/APRIL,TNFSF13 | BAFF,APRIL | 浆细胞、成熟B细胞 |
TNFRSF18 | GITR,AITR,CD357 | TNFSF18 | GITRL,AITRL | Treg、NK细胞、活化T细胞 |
TNFRSF19 | Troy,TAJ,TRADE | 未知 | 未知 | 神经元、前列腺、睾丸 |
TNFRSF19L | RELT | 未知 | 未知 | 造血组织、淋巴结、骨髓 |
TNFRSF21 | DR6,BM-018 | TNFSF12 | TWEAK(可能配体) | 广泛表达,淋巴细胞高表达 |
TNFRSF25 | DR3,TR3,LARD,APO3 | TNFSF15 | TL1A,VEGI | T细胞、NK细胞、淋巴器官 |
TNFRSF27 | EDA2R,XEDAR | TNFSF13 | EDA-A2 | 胚胎组织、皮肤、汗腺 |
TNFRSF29 | EDAR | TNFSF13 | EDA-A1 | 胚胎组织、皮肤、牙齿、毛发 |
(4)配体-受体相互作用特点
TNFR家族配体-受体结合具有以下特征:
a. 三聚体配体:多数配体以同源三聚体形式存在,交联三个受体分子。
b. 受体预聚集:部分受体(如4-1BB、TNFR1)在细胞表面预先形成二聚体或寡聚体,配体结合后进一步稳定聚集。
c. 反向信号:部分配体(如CD40L、4-1BBL、FasL)可向表达细胞传递反向信号。
d. 可溶型调控:金属蛋白酶(ADAM10/17、TACE)切割产生可溶型配体,通常活性降低或表现为拮抗剂。
e. 诱骗受体:部分受体(如DcR1、DcR2、OPG)缺乏功能性胞内域或作为可溶型存在,竞争性结合配体但阻断信号传导。
二、部分产品展示
货号 | 产品名称 | 物种来源 | 标签类型 | 规格 |
HiActi® Recombinant Human sTNF RI/TNFRSF1A Protein | Human | No tag | 5ug/100ug/500ug | |
Recombinant Human TNFR1/CD120a/TNFRSF1A Protein | Human | C-hFc | 25ug/100ug/500ug | |
Recombinant Human TNFR1/CD120a/TNFRSF1A Protein | Human | C-His | 25ug/100ug/500ug | |
HiActi® Recombinant Mouse sTNF RI/TNFRSF1A Protein | Mouse | No tag | 5ug/100ug/500ug | |
Recombinant Cynomolgus TNFR1/CD120a/TNFRSF1A Protein | Cynomolgus | C-His | 25ug/100ug/500ug | |
Recombinant Human TNFR2/CD120b/TNFRSF1B Protein | Human | C-hFc | 25ug/100ug/500ug | |
Recombinant Human TNFR2/CD120b/TNFRSF1B Protein | Human | C-His | 25ug/100ug/500ug | |
Biotinylated Human TNFR2/CD120b/TNFRSF1B Protein | Human | C-His | 25ug/100ug/500ug | |
Recombinant Biotinylated Human TNFR2/CD120b/TNFRSF1B Protein | Human | C-His-Avi | 25ug/100ug | |
Recombinant Cynomolgus TNFR2/CD120b/TNFR1B Protein | Cynomolgus | C-His | 25ug/100ug/500ug | |
Recombinant Human OX40/TNFRSF4/CD134 | Human | C-hFc | 20ug/100ug/500ug/1mg | |
Recombinant Human OX40/TNFRSF4/CD134 Protein | Human | C-His-Avi | 20ug/100ug/500ug/1mg | |
Recombinant Biotinylated Human OX40/TNFRSF4/CD134 Protein | Human | C-His-Avi | 25ug/100ug/500ug | |
Recombinant Mouse OX40/TNFRSF4/CD134 Protein | Mouse | C-His-Avi | 25ug/100ug/500ug | |
Recombinant Biotinylated Mouse OX40/TNFRSF4/CD134 Protein | Mouse | C-His-Avi | 25ug/100ug/500ug | |
Recombinant Rat OX40/TNFRSF4/CD134 Protein | Rat | C-hFc | 25ug/100ug/500ug | |
Recombinant Human CD40/TNFRSF5 | Human | C-His | 20ug/100ug/500ug/1mg | |
Recombinant Mouse CD40/TNFRSF5 Protein | Mouse | C-His | 25ug/100ug/500ug | |
Recombinant Rat CD40/TNFRSF5 Protein | Rat | C-His | 25ug/100ug/500ug | |
HiActi® Recombinant Human sFasR/TNFRSF6 Protein | Human | No tag | 5ug/100ug/500ug | |
Recombinant Mouse Fas/TNFRSF6/CD95 Protein | Mouse | C-hFc | 25ug/100ug/500ug | |
Recombinant Rat Fas/TNFRSF6/CD95 Protein | Rat | C-hFc | 25ug/100ug/500ug | |
Recombinant Human CD27/TNFRSF7 | Human | C-His | 20ug/100ug/500ug/1mg | |
Recombinant Mouse CD27/TNFRSF7 Protein | Mouse | C-His | 25ug/100ug/500ug | |
Recombinant Human CD30/TNFRSF8 | Human | C-His-Avi | 20ug/100ug/500ug/1mg | |
Recombinant Human 4-1BB/TNFRSF9 | Human | C-His | 25ug/100ug/500ug/1mg | |
Recombinant Human TRAIL R1/DR4/TNFRSF10A Protein | Human | C-hFc | 25ug/100ug/500ug | |
HiActi® Recombinant Human sTRAILR2/TNFRSF10B Protein | Human | No tag | 10ug/50ug/100ug/500ug |
三、产品验证数据
Human TNFR1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%
The purity of Human TNFR1 is greater than 95% as determined by SEC-HPLC
Immobilized Human TNF alpha, His Tag at 1μg/ml (100μl/Well) on the plate. Dose response curve for Human TNFR1, hFc Tag with the EC50 of 3.8ng/ml determined by ELISA
93973ES#Recombinant Human TNFR1/CD120a/TNFRSF1A Protein数据展示
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