Store in refrigerator (2–8°C) and protect from light.
常见问题解答 (FAQ)
Which serum-free medium should I select for my CHO cells?
Thermo Fisher Scientific offers multiple serum free media (SFM) and chemically defined (CD) media options for CHO cultures. For adherent cultures, CD CHO (10743-011) and CD OptiCHO medium (12681-011) are robust media; both are protein free and animal origin free (AOF). For adherent cultures, CD CHO-A (097-0182DJ) is a widely used protein free and animal origin free medium. There are other formulations available to suit other research needs; contact Technical Support for further information.
Steroid ligands bind human sex hormone-binding globulin in specific orientations and produce distinct changes in protein conformation.
Authors: Grishkovskaya Irina; Avvakumov George V; Hammond Geoffrey L; Catalano Maria G; Muller Yves A;
Journal:J Biol Chem
PubMed ID:12065592
'The amino-terminal laminin G-like domain of human sex hormone-binding globulin (SHBG) contains a single high affinity steroid-binding site. Crystal structures of this domain in complex with several different steroid ligands have revealed that estradiol occupies the SHBG steroid-binding site in an opposite orientation when compared with 5 alpha-dihydrotestosterone or C19 ... More
Stable production of a human growth hormone antagonist from CHO cells adapted to serum-free suspension culture.
Authors: Haldankar R; Kopchick J J; Ridgway D;
Journal:Biotechnol Prog
PubMed ID:10356250
Human growth hormone (hGH) is a polypeptide with 191 amino acids and a molecular mass of 22 kDa. An hGH analogue was created with a single amino acid substitution (glycine[G] 120 to arginine[R]) in the third alpha-helix of the hGH molecule. This hGH analogue, named hGHG120R, was found to be ... More
Expression of human thyrotropin in cell lines with different glycosylation patterns combined with mutagenesis of specific glycosylation sites. Characterization of a novel role for the oligosaccharides in the in vitro and in vivo bioactivity.
Authors: Grossmann M; Szkudlinski M W; Tropea J E; Bishop L A; Thotakura N R; Schofield P R; Weintraub B D;
Journal:J Biol Chem
PubMed ID:7493973
We used a novel approach to study the role of the Asn-linked oligosaccharides for human thyrotropin (hTSH) activity. Mutagenesis of Asn (N) within individual glycosylation recognition sequences to Gln (Q) was combined with expression of wild type and mutant hTSH in cell lines with different glycosylation patterns. The in vitro ... More