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Anti-aggregation properties of trehalose on heat-induced secondary structure and conformation changes of bovine serum albumin. 2010

Davide Barreca, and Giuseppina Laganà, and Silvana Ficarra, and Ester Tellone, and Ugo Leuzzi, and Salvatore Magazù, and Antonio Galtieri, and Ersilia Bellocco
Department of Organic and Biological Chemistry, University of Messina, Salita Sperone 31, Villaggio S. Agata, Messina, Italy.

During our experimental work, aggregation of bovine serum albumin was obtained incubating the protein solution at 60 degrees C to investigate temperature-induced secondary structure, conformation changes and anti-aggregative activity of trehalose. IR-measurements suggested that in the presence of 1.0M of trehalose there is a little increase in short segment connecting alpha-helical and a clearly decrease in the loss of alpha-helix structure and in the formation of intermolecular and antiparellel beta-sheet up to 78 and 55%, respectively. Useful information also arose following the temperature evolution of Amide I' band profile in the range of temperature between 25 and 90 degrees C in absence or in presence of 1.0M trehalose. Complementary information is obtained by electrophoresis, circular dichroism, fluorescence spectroscopy, titration of SH groups and light scattering measurements. Results encouraged biotechnology and pharmaceutical application of the disaccharide and provided evidence for its utilization in degenerative diseases evolving via aggregation process.

UI MeSH Term Description Entries
D011487 Protein Conformation The characteristic 3-dimensional shape of a protein, including the secondary, supersecondary (motifs), tertiary (domains) and quaternary structure of the peptide chain. PROTEIN STRUCTURE, QUATERNARY describes the conformation assumed by multimeric proteins (aggregates of more than one polypeptide chain). Conformation, Protein,Conformations, Protein,Protein Conformations
D002417 Cattle Domesticated bovine animals of the genus Bos, usually kept on a farm or ranch and used for the production of meat or dairy products or for heavy labor. Beef Cow,Bos grunniens,Bos indicus,Bos indicus Cattle,Bos taurus,Cow,Cow, Domestic,Dairy Cow,Holstein Cow,Indicine Cattle,Taurine Cattle,Taurus Cattle,Yak,Zebu,Beef Cows,Bos indicus Cattles,Cattle, Bos indicus,Cattle, Indicine,Cattle, Taurine,Cattle, Taurus,Cattles, Bos indicus,Cattles, Indicine,Cattles, Taurine,Cattles, Taurus,Cow, Beef,Cow, Dairy,Cow, Holstein,Cows,Dairy Cows,Domestic Cow,Domestic Cows,Indicine Cattles,Taurine Cattles,Taurus Cattles,Yaks,Zebus
D006358 Hot Temperature Presence of warmth or heat or a temperature notably higher than an accustomed norm. Heat,Hot Temperatures,Temperature, Hot,Temperatures, Hot
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012710 Serum Albumin, Bovine Serum albumin from cows, commonly used in in vitro biological studies. (From Stedman, 25th ed) Fetal Bovine Serum,Fetal Calf Serum,Albumin Bovine,Bovine Albumin,Bovine Serum Albumin,Albumin, Bovine,Albumin, Bovine Serum,Bovine Serum, Fetal,Bovine, Albumin,Calf Serum, Fetal,Serum, Fetal Bovine,Serum, Fetal Calf
D014199 Trehalose

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