Transferrin binds insulin-like growth factors and affects binding properties of insulin-like growth factor binding protein-3.
Standard
Transferrin binds insulin-like growth factors and affects binding properties of insulin-like growth factor binding protein-3. / Storch, Stephan; Kübler, B; Höning, S; Ackmann, M; Zapf, J; Blum, W; Braulke, T.
in: FEBS LETT, Jahrgang 509, Nr. 3, 3, 2001, S. 395-398.Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung
Harvard
APA
Vancouver
Bibtex
}
RIS
TY - JOUR
T1 - Transferrin binds insulin-like growth factors and affects binding properties of insulin-like growth factor binding protein-3.
AU - Storch, Stephan
AU - Kübler, B
AU - Höning, S
AU - Ackmann, M
AU - Zapf, J
AU - Blum, W
AU - Braulke, T
PY - 2001
Y1 - 2001
N2 - In the circulation, most of the insulin-like growth factors (IGFs) are bound to a ternary 150 kDa complex with IGF-binding protein (IGFBP)-3 and the acid labile subunit. In the current study, we identify transferrin (Tf) by mass spectrometry, and immunoprecipitation as a component of a major IGF-binding fraction separated from human plasma. IGF ligand blotting, cross-linkage experiments and surface plasmon resonance spectrometry have been used to demonstrate the capability of Tf to bind IGFs specifically. In combination with Tf, IGFBP-3 showed a 5-fold higher affinity for IGF-II than IGFBP-3 alone. The data suggest that Tf may play an important role in regulating IGF/IGFBP-3 functions.
AB - In the circulation, most of the insulin-like growth factors (IGFs) are bound to a ternary 150 kDa complex with IGF-binding protein (IGFBP)-3 and the acid labile subunit. In the current study, we identify transferrin (Tf) by mass spectrometry, and immunoprecipitation as a component of a major IGF-binding fraction separated from human plasma. IGF ligand blotting, cross-linkage experiments and surface plasmon resonance spectrometry have been used to demonstrate the capability of Tf to bind IGFs specifically. In combination with Tf, IGFBP-3 showed a 5-fold higher affinity for IGF-II than IGFBP-3 alone. The data suggest that Tf may play an important role in regulating IGF/IGFBP-3 functions.
M3 - SCORING: Zeitschriftenaufsatz
VL - 509
SP - 395
EP - 398
JO - FEBS LETT
JF - FEBS LETT
SN - 0014-5793
IS - 3
M1 - 3
ER -