Human TGFBR3 Baculovirus-Insect cells Overexpression Lysate: Product Information
This Human TGFBR3 overexpression lysate was created in Baculovirus-Insect cells and intented for use as a Western blot (WB) positive control. Purification of TGFBR3 protein (Cat: 10778-H08B) from the overexpression lysate was verified.
A DNA sequence encoding the human TGFBR3 (Q03167-1) (Met 1-Gly781) was expressed with a C-terminal polyhistidine tag.
The secreted recombinant human TGFBR3 consists of 791 amino acids and predicts a molecular mass of 87.8 KDa. The apparent molecular mass of the protein is approximately 88 KDa in SDS-PAGE under reducing conditions.
Human TGFBR3 Baculovirus-Insect cells Overexpression Lysate: Usage Guide
Cell lysate was prepared by homogenization of the over-expressed cells in ice-cold modified RIPA Lysis Buffer with cocktail of protease inhibitors (Sigma). Cell debris was removed by centrifugation. Protein concentration was determined by Bradford assay (Bio-Rad protein assay, Microplate Standard assay). The cell lysate was boiled for 5 min in 1 x SDS loading buffer (50 mM Tris-HCl pH 6.8, 12.5% glycerol, 1% sodium dodecylsulfate, 0.01% bromophenol blue) containing 5% b-mercaptoethanol, and lyophilized.
1. Centrifuge the tube for a few seconds and ensure the pellet at the bottom of the tube.
2. Re-dissolve the pellet using 200μL pure water and boil for 2-5 min.
1 X Sample Buffer (1 X modified RIPA buffer+1 X SDS loading buffer).
Stability & Storage
Store at 4℃ for up to twelve months from date of receipt. After re-dissolution, aliquot and store at -80℃ for up to twelve months. Avoid repeated freeze-thaw cycles.
Western Blot (WB) Optimal dilutions/concentrations should be determined by the end user.
Human TGFBR3 Baculovirus-Insect cells Overexpression Lysate: Alternative Names
Human betaglycan Overexpression Lysate; Human BGCAN Overexpression Lysate
TGFBR3 Background Information
Betaglycan also known as transforming growth factor beta receptor III (TGFBR3), is a cell-surface chondroitin sulfate / heparan sulfate proteoglycan. TGFBR3 is a transforming growth factor (TGF)-beta type III receptor. This receptor is a membrane proteoglycan that often functions as a co-receptor with other TGF-beta receptor superfamily members. Ectodomain shedding produces soluble TGFBR3, which may inhibit TGFB signaling. Decreased expression of this receptor has been observed in various cancers. TGFBR3 is the TGF-β component most commonly downregulated among localized human prostate cancer studies. TGFBR3 knockdown led to focus formation and enhanced expression of CD133, a marker found on prostate cancer stem cells. TGFBR3 is an accessory receptor that binds to and modulates the activities of both transforming growth factor-beta (TGFβ) and inhibin, two members of the TGFβ superfamily of growth factors that regulate many aspects of reproductive biology. TGFBR3 is known to be expressed in adult testis and ovary, but little is known about this receptor during gonadogenesis.
transforming growth factor, beta receptor III
Johnson DW, et al. (1996) Assignment of human transforming growth factor-beta type I and type III receptor genes (TGFBR1 and TGFBR3) to 9q33-q34 and 1p32-p33, respectively. Genomics. 28 (2): 356-7.
Rotzer D, et al. (2001) Type III TGF-beta receptor-independent signalling of TGF-beta2 via T betaRII-B, an alternatively spliced TGF- type II receptor. EMBO J. 20 (3): 480-90.
Gao J, et al. (1999) Expression of transforming growth factor-beta receptors types II and III within various cells in the rat periodontium. J Periodont Res. 34 (2): 113-22.
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