التفاصيل البيبلوغرافية
| العنوان: |
Scaffolding of Mitogen-Activated Protein Kinase Signaling by β-Arrestins. |
| المؤلفون: |
Kim, Kiae, Han, Yeonjin, Duan, Longhan, Chung, Ka Young |
| المصدر: |
International Journal of Molecular Sciences; Jan2022, Vol. 23 Issue 2, p1000-N.PAG, 1p |
| مصطلحات موضوعية: |
MITOGEN-activated protein kinases, ARRESTINS, SCAFFOLD proteins |
| مستخلص: |
β-arrestins were initially identified to desensitize and internalize G-protein-coupled receptors (GPCRs). Receptor-bound β-arrestins also initiate a second wave of signaling by scaffolding mitogen-activated protein kinase (MAPK) signaling components, MAPK kinase kinase, MAPK kinase, and MAPK. In particular, β-arrestins facilitate ERK1/2 or JNK3 activation by scaffolding signal cascade components such as ERK1/2-MEK1-cRaf or JNK3-MKK4/7-ASK1. Understanding the precise molecular and structural mechanisms of β-arrestin-mediated MAPK scaffolding assembly would deepen our understanding of GPCR-mediated MAPK activation and provide clues for the selective regulation of the MAPK signaling cascade for therapeutic purposes. Over the last decade, numerous research groups have attempted to understand the molecular and structural mechanisms of β-arrestin-mediated MAPK scaffolding assembly. Although not providing the complete mechanism, these efforts suggest potential binding interfaces between β-arrestins and MAPK signaling components and the mechanism for MAPK signal amplification by β-arrestin-mediated scaffolding. This review summarizes recent developments of cellular and molecular works on the scaffolding mechanism of β-arrestin for MAPK signaling cascade. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
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