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產品名稱：重組大鼠胰島素樣生長因子-1蛋白
產品型號：rRtIGF-1
產品廠商：KALANG
產品文檔：

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簡單介紹：

重組大鼠胰島素樣生長因子-1蛋白與其它公司提供的重組蛋白不同，rRtIGF-1蛋白產品為采用CFS的無細胞麥胚蛋白合成系統表達出來的重組蛋白，可表達出對細胞有毒性、易被蛋白酶降解的蛋白；并獲得具有良好的可溶性，并有翻譯后修飾、從而部分具有功能的蛋白.同時獨有的全自動蛋白純化技術則簡便高效，將蛋白純化過程中對蛋白的損傷降低到*小程度.重組大鼠胰島素樣生長因子-1蛋白（全長序列）產品可用于Western Blot驗證、抗體制備、蛋白檢測、ELISA等試驗中.

詳情介紹：

重組大鼠胰島素樣生長因子-1蛋白

Synonyms Somatomedin C, IGF-I, IGF-IA, Mechano growth factor, MGF

Species Rat

Accession P08025

GeneID 24482

Source Escherichia coli.

Molecular Weight 重組大鼠胰島素樣生長因子-1蛋白Approximately 7.7 kDa, a single non-glycosylated polypeptide chain containing 70 amino acid residues.

Quantity 10μg/50μg/1000μg

AA Sequence GPETLCGAEL VDALQFVCGP RGFYFNKPTG YGSSIRRAPQ TGIVDECCFR SCDLRRLEMY CAPLKPTKSA

Purity > 97 % by SDS-PAGE and HPLC analyses.

Biological Activity 重組大鼠胰島素樣生長因子-1蛋白Fully biologically active when compared to standard. The ED₅₀ as determined by a cell proliferation assay using serum free human MCF-7 cells is less than 2 ng/ml, corresponding to a specific activity of > 5.0 × 10⁵ IU/mg.

Physical Appearance Sterile Filtered White lyophilized (freeze-dried) powder.

Formulation Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.4.

Endotoxin 重組大鼠胰島素樣生長因子-1蛋白Less than 1 EU/μg of rRtIGF-1 as determined by LAL method.

Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C. Further dilutions should be made in appropriate buffered solutions.

Storage This lyophilized preparation is stable at 2-8 °C, but should be kept at -20 °C for long term storage, preferably desiccated. Upon reconstitution, the preparation is stable for up to one week at 2-8 °C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20 °C to -70 °C. Avoid repeated freeze/thaw cycles.

重組大鼠胰島素樣生長因子-1蛋白

SDS-PAGE

Reference 1. Skottner A, Fryklund L, Hansson HA. 1986. Acta Paediatr Scand Suppl, 325: 107-11.
2. Bartlett WP, Li XS, Williams M. 1992. Brain Res Mol Brain Res, 12: 285-91.
3. Palmade F, Sechoy-Chambon O, Coquelet C, et al. 1994. Curr Eye Res, 13: 531-7.
4. Tennagels N, Hube-Magg C, Wirth A, et al. 1999. Biochem Biophys Res Commun, 260: 724-8.
5. Laron Z. 2004. Novartis Found Symp, 262: 56-77; discussion -83, 265-8.
6. Shiratsuchi I, Akagi Y, Kawahara A, et al. 2011. Anticancer Res, 31: 2541-5.

Background The insulin-like growth factors (IGFs) belonged to the insulin gene family, are mitogenic polypeptide growth factors that stimulate the proliferation and survival of various cell types including muscle, bone, and cartilage tissue in vitro. The IGFs are similar by structure and function to insulin, but have a much higher growth-promoting activity than insulin. IGF-1 is produced primarily by the liver as an endocrine hormone as well as in target tissues in a paracrine/autocrine fashion. The production of IGF-1 is stimulated by growth hormone (GH) and can be retarded by undernutrition, growth hormone insensitivity, lack of growth hormone receptors, or failures of the downstream signaling pathway post GH receptor including SHP2 and STAT5B. Recombinant human IGF-1 are globular proteins containing 70 amino acids and 3 intra-molecular disulfide bonds. Mature rat IGF-1 shares 96 % a.a. sequence identity with human IGF-1 and exhibits cross-species activity.

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Synonyms	Somatomedin C, IGF-I, IGF-IA, Mechano growth factor, MGF
Species	Rat
Accession	P08025
GeneID	24482
Source	Escherichia coli.
Molecular Weight	重組大鼠胰島素樣生長因子-1蛋白Approximately 7.7 kDa, a single non-glycosylated polypeptide chain containing 70 amino acid residues.
Quantity	10μg/50μg/1000μg
AA Sequence	GPETLCGAEL VDALQFVCGP RGFYFNKPTG YGSSIRRAPQ TGIVDECCFR SCDLRRLEMY CAPLKPTKSA
Purity	> 97 % by SDS-PAGE and HPLC analyses.
Biological Activity	重組大鼠胰島素樣生長因子-1蛋白Fully biologically active when compared to standard. The ED₅₀ as determined by a cell proliferation assay using serum free human MCF-7 cells is less than 2 ng/ml, corresponding to a specific activity of > 5.0 × 10⁵ IU/mg.
Physical Appearance	Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation	Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.4.
Endotoxin	重組大鼠胰島素樣生長因子-1蛋白Less than 1 EU/μg of rRtIGF-1 as determined by LAL method.
Reconstitution	We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C. Further dilutions should be made in appropriate buffered solutions.
Storage	This lyophilized preparation is stable at 2-8 °C, but should be kept at -20 °C for long term storage, preferably desiccated. Upon reconstitution, the preparation is stable for up to one week at 2-8 °C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20 °C to -70 °C. Avoid repeated freeze/thaw cycles.
重組大鼠胰島素樣生長因子-1蛋白
SDS-PAGE
Reference	1. Skottner A, Fryklund L, Hansson HA. 1986. Acta Paediatr Scand Suppl, 325: 107-11. 2. Bartlett WP, Li XS, Williams M. 1992. Brain Res Mol Brain Res, 12: 285-91. 3. Palmade F, Sechoy-Chambon O, Coquelet C, et al. 1994. Curr Eye Res, 13: 531-7. 4. Tennagels N, Hube-Magg C, Wirth A, et al. 1999. Biochem Biophys Res Commun, 260: 724-8. 5. Laron Z. 2004. Novartis Found Symp, 262: 56-77; discussion -83, 265-8. 6. Shiratsuchi I, Akagi Y, Kawahara A, et al. 2011. Anticancer Res, 31: 2541-5.
Background	The insulin-like growth factors (IGFs) belonged to the insulin gene family, are mitogenic polypeptide growth factors that stimulate the proliferation and survival of various cell types including muscle, bone, and cartilage tissue in vitro. The IGFs are similar by structure and function to insulin, but have a much higher growth-promoting activity than insulin. IGF-1 is produced primarily by the liver as an endocrine hormone as well as in target tissues in a paracrine/autocrine fashion. The production of IGF-1 is stimulated by growth hormone (GH) and can be retarded by undernutrition, growth hormone insensitivity, lack of growth hormone receptors, or failures of the downstream signaling pathway post GH receptor including SHP2 and STAT5B. Recombinant human IGF-1 are globular proteins containing 70 amino acids and 3 intra-molecular disulfide bonds. Mature rat IGF-1 shares 96 % a.a. sequence identity with human IGF-1 and exhibits cross-species activity.

產品名稱：重組大鼠胰島素樣生長因子-1蛋白