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產品名稱：重組人三葉因子3蛋白
產品型號：rHuTFF3
產品廠商：KALANG
產品文檔：

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簡單介紹：

重組人三葉因子3蛋白與其它公司提供的重組蛋白不同，rHuTFF3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.重組人三葉因子3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：

重組人三葉因子3蛋白

Synonyms Intestinal Trefoil Factor, hITF, Polypeptide P1.B, hP1.B

Species Human

Accession Q07654

GeneID 7033

Source 重組人三葉因子3蛋白Escherichia coli.

Molecular Weight Approximately 13.2 kDa, a homodimeric protein consisting of two 59 amino acid chains, which includes a 40-amino acid trefoil motif containing three conserved intramolecular disulfide bonds.

Quantity 5μg/20μg/1000μg

AA Sequence EEYVGLSANQ CAVPAKDRVD CGYPHVTPKE CNNRGCCFDS RIPGVPWCFK PLQEAECTF

Purity 重組人三葉因子3蛋白> 97 % by SDS-PAGE and HPLC analyses.

Biological Activity Fully biologically active when compared to standard. The ED₅₀ as determined by a chemotaxis bioassay using human MCF-7 cells is less than 10 μg/ml, corresponding to a specific activity of > 100 IU/mg.

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

Formulation 重組人三葉因子3蛋白Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.4.

Endotoxin Less than 1 EU/μg of rHuTFF3 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.

重組人三葉因子3蛋白

SDS-PAGE

Reference 1. Seib T, Blin N, Hilgert K, et al. 1997. Genomics, 40: 200-2.
2. Kirikoshi HandKatoh M. 2002. Int J Oncol, 21: 655-9.
3. Lu R, Wang X, Chen JP, et al. 2010. Sichuan Da Xue Xue Bao Yi Xue Ban, 41: 114-7.
4. Jagla W, Wiede A, Dietzmann K, et al. 2000. FASEB J, 14: 1126-31.
5. Takano TandYamada H. 2009. Endocr J, 56: 9-16.

Background Trefoil factor 3 encoded by the TFF3 gene in humans, belongs to the trefoil factor family that consists of three members named TFF1, TFF2 and TFF3. They are characterized by having at least one copy of the trefoil motif, a 40-amino acid domain that contains three conserved disulfides. TFF-3 is expressed by goblet cells and in the uterus, and has also been shown to express in certain cancers, including colorectal, hepatocellular, and in biliary tumors. It involves in the maintenance and repair of the intestinal mucosa, also promotes the mobility of epithelial cells in healing processes. TFF3 overexpression is crucial for progression in mouse and human hepatocellular carcinogenesis. TFF3 may be useful as a molecular marker for certain types of cancer, but its role, if any, in tumorigenesis is unknown.

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Synonyms	Intestinal Trefoil Factor, hITF, Polypeptide P1.B, hP1.B
Species	Human
Accession	Q07654
GeneID	7033
Source	重組人三葉因子3蛋白Escherichia coli.
Molecular Weight	Approximately 13.2 kDa, a homodimeric protein consisting of two 59 amino acid chains, which includes a 40-amino acid trefoil motif containing three conserved intramolecular disulfide bonds.
Quantity	5μg/20μg/1000μg
AA Sequence	EEYVGLSANQ CAVPAKDRVD CGYPHVTPKE CNNRGCCFDS RIPGVPWCFK PLQEAECTF
Purity	重組人三葉因子3蛋白> 97 % by SDS-PAGE and HPLC analyses.
Biological Activity	Fully biologically active when compared to standard. The ED₅₀ as determined by a chemotaxis bioassay using human MCF-7 cells is less than 10 μg/ml, corresponding to a specific activity of > 100 IU/mg.
Physical Appearance	Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation	重組人三葉因子3蛋白Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.4.
Endotoxin	Less than 1 EU/μg of rHuTFF3 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.
重組人三葉因子3蛋白
SDS-PAGE
Reference	1. Seib T, Blin N, Hilgert K, et al. 1997. Genomics, 40: 200-2. 2. Kirikoshi HandKatoh M. 2002. Int J Oncol, 21: 655-9. 3. Lu R, Wang X, Chen JP, et al. 2010. Sichuan Da Xue Xue Bao Yi Xue Ban, 41: 114-7. 4. Jagla W, Wiede A, Dietzmann K, et al. 2000. FASEB J, 14: 1126-31. 5. Takano TandYamada H. 2009. Endocr J, 56: 9-16.
Background	Trefoil factor 3 encoded by the TFF3 gene in humans, belongs to the trefoil factor family that consists of three members named TFF1, TFF2 and TFF3. They are characterized by having at least one copy of the trefoil motif, a 40-amino acid domain that contains three conserved disulfides. TFF-3 is expressed by goblet cells and in the uterus, and has also been shown to express in certain cancers, including colorectal, hepatocellular, and in biliary tumors. It involves in the maintenance and repair of the intestinal mucosa, also promotes the mobility of epithelial cells in healing processes. TFF3 overexpression is crucial for progression in mouse and human hepatocellular carcinogenesis. TFF3 may be useful as a molecular marker for certain types of cancer, but its role, if any, in tumorigenesis is unknown.

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產品名稱：重組人三葉因子3蛋白