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牛胎盘催乳素/Bovine Placental Lactogen
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详细信息
Placental Lactogen Bovine
Placental Lactogen Bovine Recombinant
重组牛胎盘催乳素
Catalog No. CYT-511
Synonyms:
Chorionic Somatomammotropin Hormone 1, CSH1, CSB, CS-1, hCS-B, BPL, BPLP-I.
Introduction:
Placental Lactogen is a polypeptide hormone that is produced by the Syncytiotrophoblasts of the Placenta, also known as chorionic somatomammotropin. It has both Growth Hormone and Prolactin activities on growth, lactation, and luteal steroid production. In women, placental lactogen secretion begins soon after implantation and increases to 1 g or more a day in late pregnancy. Placental lactogen is also an insulin antagonist.
Placental Lactogen Bovine is also capable of activating human and other heterologous GH receptors but not ruminat GH receptors.
Description:
Placental Lactogen Bovine Recombinant, is a single polypeptide chain containing 199 amino acids and an additional Ala at the N-terminus having a molecular mass of 23 kDa.
Placental Lactogen Recombinant is purified by proprietary chromatographic techniques.
Source:
Escherichia Coli.
Physical Appearance:
Sterile Filtered White lyophilized （freeze-dried） powder.
Formulation:
The protein was lyophilized from a concentrated （1mg/ml） solution with 0.02-0.03% NaHCO3.
Solubility:
It is recommended to reconstitute the lyophilized Placental Lactogen in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Stability:
Lyophilized Placental Lactogen Bovine Recombinant although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Placental Lactogen should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein （0.1% HSA or BSA）.
Please prevent freeze-thaw cycles.
Purity:
Greater than 98.0% as determined by:
（a） Analysis by RP-HPLC.
（b） Analysis by SDS-PAGE.
Amino acid sequence:
The sequence of the first six N-terminal amino acids was determined and was found to be Ala-Glu-Asp-Tyr-Ala-Pro.
Biological Activity:
Placental Lactogen Bovine is biologically active as evidenced by inducing proliferation of Nb2 cells.
Protein content:
UV spectroscopy at 280 nm using the absorbency value of 0.85 as the extinction coefficient for a 0.1% （1mg/ml） solution. This value is calculated by the PC GENE computer analysis program of protein sequences （InliGenetics）.
Usage:
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Placental Lactogen 重组人胎盘催乳素 CYT-656 Recombinant Human Placental Lactogen
bPlacental Lactogen 重组牛胎盘催乳素 CYT-511 Recombinant Bovine Placental Lactogen
oPlacental Lactogen 重组羊胎盘催乳素 CYT-512 Recombinant Ovine Placental Lactogen
cPlacental Lactogen 重组山羊胎盘催乳素 CYT-510 Recombinant Caprine Placental Lactogen
PLGF-1 重组人胎盘生长因子1 CYT-419 Recombinant Human Placenta Growth Factor-1
PLGF-2 重组人胎盘生长因子2 CYT-420 Recombinant Human Placenta Growth Factor-2
Prolactin 重组人催乳素 CYT-267 Recombinant Human Prolactin
Prolactin His 重组人催乳素 His CYT-493 Recombinant Human Prolactin, His Tag
mProlactin 重组小鼠催乳素 CYT-321 Recombinant Mouse Prolactin
rProlactin 重组大鼠催乳素 CYT-322 Recombinant Rat Prolactin
oProlactin 重组羊催乳素 CYT-240 Recombinant Ovine Prolactin
raProlactin 重组兔催乳素 CYT-513 Recombinant Rabbit Prolactin
Prl R GST 重组人催乳素受体GST CYT-469 Recombinant Human Prolactin Receptor, GST
Prl R 重组人催乳素受体 CYT-595 Recombinant Human Prolactin Receptor
raPrl R 重组兔可溶性受体催乳素 CYT-268 Recombinant Rabbit Prolactin Soluble Receptor
oPrl R 重组羊可溶性受体催乳素 CYT-293 Recombinant Ovine Prolactin Soluble Receptor
bPrl R 重组牛可溶性受体催乳素 CYT-294 Recombinant Bovine Prolactin Soluble Receptor
tPrl R 重组虹鳟可溶性受体催乳素 CYT-532 Recombinant Raibow Trout Prolactin Soluble Receptor
rPrl R 重组大鼠可溶性受体催乳素 CYT-533 Recombinant Rat Prolactin Soluble Receptor
oProlactin Antagonist 重组绵羊催乳素受体拮抗剂 CYT-311 Recombinant Ovine Prolactin Antagonist
