2012
Immunoextraction of zinc proteins from human plasma using chicken yolk antibodies immobilized onto paramagnetic particles and their electrophoretic analysis
KŘÍŽKOVÁ, Soňa, Markéta RYVOLOVÁ, David HYNEK, Tomáš ECKSCHLAGER, Petr HODEK et. al.Základní údaje
Originální název
Immunoextraction of zinc proteins from human plasma using chicken yolk antibodies immobilized onto paramagnetic particles and their electrophoretic analysis
Autoři
KŘÍŽKOVÁ, Soňa (203 Česká republika, garant), Markéta RYVOLOVÁ (203 Česká republika), David HYNEK (203 Česká republika), Tomáš ECKSCHLAGER (203 Česká republika), Petr HODEK (203 Česká republika), Michal MASAŘÍK (203 Česká republika, domácí), Vojtěch ADAM (203 Česká republika) a René KIZEK (203 Česká republika)
Vydání
Electrophoresis, 2012, 0173-0835
Další údaje
Jazyk
angličtina
Typ výsledku
Článek v odborném periodiku
Obor
10405 Electrochemistry
Stát vydavatele
Spojené státy
Utajení
není předmětem státního či obchodního tajemství
Impakt faktor
Impact factor: 3.261
Kód RIV
RIV/00216224:14110/12:00060406
Organizační jednotka
Lékařská fakulta
UT WoS
000305792500018
Klíčová slova anglicky
Electrochemistry; Magnetic particles; Metallomics; Zincome
Příznaky
Mezinárodní význam
Změněno: 16. 4. 2013 15:47, Ing. Mgr. Věra Pospíšilíková
Anotace
V originále
Zinc(II) as the only transition metal lacking redox activity is an essential part of approximately 10% proteins as a cofactor of these proteins. Considering the fact that there are numerous zinc(II) containing proteins, proteomics and metallomics studies aimed on them require accurate methods for preparation of real biological samples prior to their subsequent analysis using 2DE and MS. For this purpose, we suggested a new method based on chicken anti-zinc antibodies and magnetizable particles. Antibodies were covalently immobilized to the surface of paramagnetic beads activated with tosyl group. Binding of the antibody to the beads was confirmed by secondary anti-chicken antibody conjugated with horseradish peroxidase. The immunoextraction conditions, such as concentration of the beads, time of immunoextraction, pH and composition of the elution buffer, and time of extraction were optimized. Subsequently, zinc proteins were extracted from human plasma and total concentration of zinc was monitored by electrochemical detection in the extracts. Under optimal conditions it was possible to monitor the proteins and zinc removal from the sample by chip CE, SDS-PAGE, and indirectly using electrochemistry.