Mink growth hormone structural-functional relationships: effects of renaturing and storage conditions. (Articolo in rivista)

Type
Label
  • Mink growth hormone structural-functional relationships: effects of renaturing and storage conditions. (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1007/s10930-007-9120-1 (literal)
Alternative label
  • Borromeo V, Sereikaite J, Bumelis VA, Secchi C, Scirè A, Ausili A, D'Auria S, Tanfani F. (2008)
    Mink growth hormone structural-functional relationships: effects of renaturing and storage conditions.
    in Journal of protein chemistry (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Borromeo V, Sereikaite J, Bumelis VA, Secchi C, Scirè A, Ausili A, D'Auria S, Tanfani F. (literal)
Pagina inizio
  • 170 (literal)
Pagina fine
  • 180 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 27 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Department of Animal Pathology and Health, Biochemistry and Physiology Unit, Faculty of Veterinary Medicine, University of Milan, Milan, Italy Department of Veterinary Pathology, Hygiene and Health, Biochemistry and Physiology Unit, University of Milan, Milan, Italy Department of Chemistry and Bioengineering, Faculty of Fundamental Sciences, Vilnius Gediminas Technical University, Vilnius, Lithuania Institute of Biochemistry, Faculty of Sciences, Universita` Politecnica delle Marche, Ancona, Italy Institute of Protein Biochemistry, CNR, Naples, Italy (literal)
Titolo
  • Mink growth hormone structural-functional relationships: effects of renaturing and storage conditions. (literal)
Abstract
  • Fourier-transform infrared spectroscopy, in vitro bioassay and enzyme-linked immunoassay were used to study the structural-functional relationships of recombinant mink growth hormone (mGH), refolded and stored under different conditions. Porcine GH (pGH) was synthesized and used as an example. These two hormones, when refolded and stored the same way, had the same secondary structures, biological and immunological efficacy, and biological potency. Only the immunological potency differed, mGH being significantly less potent than pGH. Renaturation pH and storing frozen or at 4 degrees C in 5% glycerol did not affect either the secondary structure or the activity. However, freeze-drying raised the content of buried alpha-helices and lowered that of solvated alpha-helices and of unordered structures. These conformational changes were associated with a reduction of immunological and biological potency of mGH and of immunological potency of pGH. These findings provide original information on the secondary structure of mGH, and show that conformational changes induced by lyophilization adversely affect its activity. (literal)
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