TY - JOUR
T1 - Elucidation of GlcNAc-binding properties of type III intermediate filament proteins, using GlcNAc-bearing polymers
AU - Ise, Hirohiko
AU - Yamasaki, Sadanori
AU - Sueyoshi, Kazuaki
AU - Miura, Yoshiko
N1 - Funding Information:
This work was supported by JSPS KAKENHI Grant Number 15K01313 and Cooperative Research Program of ‘Network Joint Research Center for Materials and Devices’. We would like to thank Editage (<www.editage.jp>) for English language editing.
Publisher Copyright:
© 2017 Molecular Biology Society of Japan and John Wiley & Sons Australia, Ltd
PY - 2017/10
Y1 - 2017/10
N2 - Vimentin, desmin, glial fibrillary acidic protein (GFAP) and peripherin belong to type III intermediate filament family and are expressed in mesenchymal cells, skeletal muscle cells, astrocytes and peripheral neurons, respectively. Vimentin and desmin possess N-acetyl-d-glucosamine (GlcNAc)-binding properties on cell surfaces. The rod II domain of these proteins is a GlcNAc-binding site, which also exists in GFAP and peripherin. However, the GlcNAc-binding activities and behaviors of these proteins remain unclear. Here, we characterized the interaction and binding behaviors of these proteins, using various well-defined GlcNAc-bearing polymers synthesized by radical polymerization with a reversible addition-fragmentation chain transfer reagent. The small GlcNAc-bearing polymers strongly interacted with HeLa cells through vimentin expressed on the cell surface and interacted with vimentin-, desmin-, GFAP- and peripherin-transfected vimentin-deficient HeLa cells. These proteins present high affinity to GlcNAc-bearing polymers, as shown by surface plasmon resonance. These results show that type III intermediate filament proteins possess GlcNAc-binding activities on cell surfaces. These findings provide important insights into novel cellular functions and physiological significance of type III intermediate filaments.
AB - Vimentin, desmin, glial fibrillary acidic protein (GFAP) and peripherin belong to type III intermediate filament family and are expressed in mesenchymal cells, skeletal muscle cells, astrocytes and peripheral neurons, respectively. Vimentin and desmin possess N-acetyl-d-glucosamine (GlcNAc)-binding properties on cell surfaces. The rod II domain of these proteins is a GlcNAc-binding site, which also exists in GFAP and peripherin. However, the GlcNAc-binding activities and behaviors of these proteins remain unclear. Here, we characterized the interaction and binding behaviors of these proteins, using various well-defined GlcNAc-bearing polymers synthesized by radical polymerization with a reversible addition-fragmentation chain transfer reagent. The small GlcNAc-bearing polymers strongly interacted with HeLa cells through vimentin expressed on the cell surface and interacted with vimentin-, desmin-, GFAP- and peripherin-transfected vimentin-deficient HeLa cells. These proteins present high affinity to GlcNAc-bearing polymers, as shown by surface plasmon resonance. These results show that type III intermediate filament proteins possess GlcNAc-binding activities on cell surfaces. These findings provide important insights into novel cellular functions and physiological significance of type III intermediate filaments.
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U2 - 10.1111/gtc.12535
DO - 10.1111/gtc.12535
M3 - Article
C2 - 28898551
AN - SCOPUS:85031503177
VL - 22
SP - 900
EP - 917
JO - Genes to Cells
JF - Genes to Cells
SN - 1356-9597
IS - 10
ER -