细胞生长因子（GF）
BTI从1981就开始生产细胞生长因子（GF）和附着因子（AF）产品。其产品分为：受体级，无菌包装的GFs和AFs。这些都是经过膜过滤的高度纯化的蛋白质，采用无菌包装的冻干粉。大多数BTI的GFs已经过细胞培养，受体结合和免疫学实验的测试。一些GFs提供 [I125]标记。
| 产品名称 | 货号 | 来源 | 纯度 | 级别 | 规格 |
| Mouse EGF | BT-201 | mouse submax | 99% | RG, C, RIA, ALY | 100ug，10x100ug |
| Human EGF | BT-102 | r-DNA E. coli | 99% | RG, C, RIA, ALY | 50ug |
| Rat EGF | BT-216 | rat submax | 99% | RG, C, RIA, ALY | 10ug |
| ECGS, Endothelial Mitogen | BT-203 | bovine hypothal. | PP | C, ALY, E.C. Media （25-200ug/ml） | 50mg ,10x50mg |
| Bovine aFGF （FGF-1） | BT-104 | r-DNA E. coli | >90% | C, ALY | 5ug,25ug |
| Human aFGF （FGF-1） | BT-109 | r-DNA E. coli | >95% | RG, C, RIA, ALY | 10ug 50ug |
| Bovine bFGF （FGF-2） | BT-105 | bovine pituitary | >95% | RG, C, RIA, ALY | 5ug 25ug |
| Human bFGF （FGF-2） | BT-108 | r-DNA, E. coli | >95% | RG, C, RIA, ALY | 10ug 50ug |
| Human IGF-l | BT-106 | r-DNA E. coli | >97% | RG, C, RIA, ALY | 10ug |
| Human IGF-II | BT-107 | r-DNA E. coli | >97% | RG, C, RIA, ALY | 10ug |
| NGF （2.5S） | BT-206 | mouse submax | >95% | C, ALY | 10ug 5x10ug |
| BPE, Bovine Pit. Extract | BT-215 | bovine pituitary | PP | C, ALY | 50mg 10x50mg |
| Human PdGF-BB | BT-103 | r-DNA E. coli | >97% | RG, C, Ly, SI | 1ug |
| Human PdGF-AA | BT-111 | r-DNA E. coli | >97% | RG, C, ALY | 5ug |
| Human TGF-alpha | BT-110 | r-DNA E. coli | >98% | RG, RIA, Ly | 2ug |
| Human TGF-beta1 | BT-213 | Plaets | >97% | RG, C, Ly with BSA | 0.5ug |
| BT-213 bulk | Plaets | >97% | RG, C, Ly with BSA | 5ug | |
| BT-213cf | Plaets | >97% | RG, C, in TFA/acetonitrile | 5ug | |
| Human VEGF | BT-112 | r-DNA E. coli | >98% | RG, C, ALY | 10ug |
| Abbreviations: | |||||
| AF = Aseptically Filled | |||||
| C = Cell Culture Tested | |||||
| RG = Receptor Grade | |||||
| RIA = RIA Tested | |||||
| ALY = Aseptically Lyophilized | |||||
| DI = Dry Ice Shipment | |||||
| SA = Specific Activity （uCi/ugm） | |||||
| PP = Partially Purified | |||||
| SI = Silanized Vial | |||||
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