User profiles for Akira Kobayashi

Akira Kobayashi

Professor of Molecular Biology, Doshisha University
Verified email at mail.doshisha.ac.jp
Cited by 19887

Oxidative stress sensor Keap1 functions as an adaptor for Cul3-based E3 ligase to regulate proteasomal degradation of Nrf2

A Kobayashi, MI Kang, H Okawa, M Ohtsuji… - … and cellular biology, 2004 - Taylor & Francis
Transcription factor Nrf2 is a major regulator of genes encoding phase 2 detoxifying enzymes
and antioxidant stress proteins in response to electrophilic agents and oxidative stress. In …

[HTML][HTML] Homeostatic levels of p62 control cytoplasmic inclusion body formation in autophagy-deficient mice

…, E Warabi, H Yoshida, T Ishii, A Kobayashi… - Cell, 2007 - cell.com
Inactivation of constitutive autophagy results in formation of cytoplasmic protein inclusions
and leads to liver injury and neurodegeneration, but the details of abnormalities related to …

The selective autophagy substrate p62 activates the stress responsive transcription factor Nrf2 through inactivation of Keap1

…, H Kurokawa, S Waguri, K Taguchi, A Kobayashi… - Nature cell …, 2010 - nature.com
Impaired selective turnover of p62 by autophagy causes severe liver injury accompanied by
the formation of p62-positive inclusions and upregulation of detoxifying enzymes. These …

Protection against electrophile and oxidant stress by induction of the phase 2 response: fate of cysteines of the Keap1 sensor modified by inducers

…, WD Holtzclaw, MI Kang, A Kobayashi… - Proceedings of the …, 2004 - National Acad Sciences
Induction of a family of phase 2 genes encoding for proteins that protect against the damage
of electrophiles and reactive oxygen intermediates is potentially a major strategy for …

Oxidative and electrophilic stresses activate Nrf2 through inhibition of ubiquitination activity of Keap1

A Kobayashi, MI Kang, Y Watai, KI Tong… - … and cellular biology, 2006 - Taylor & Francis
The Keap1-Nrf2 system is the major regulatory pathway of cytoprotective gene expression
against oxidative and/or electrophilic stresses. Keap1 acts as a stress sensor protein in this …

[PDF][PDF] Structural basis for defects of Keap1 activity provoked by its point mutations in lung cancer

…, M Scharlock, M Ohtsuji, MI Kang, A Kobayashi… - Molecular cell, 2006 - cell.com
Nrf2 regulates the cellular oxidative stress response, whereas Keap1 represses Nrf2 through
its molecular interaction. To elucidate the molecular mechanism of the Keap1 and Nrf2 …

Evaluating the importance of multi-sensory input on memory and the sense of presence in virtual environments

…, LF Hodges, C Song, A Kobayashi - … IEEE Virtual Reality …, 1999 - ieeexplore.ieee.org
322 subjects participated in an experimental study to investigate the effects of tactile,
olfactory, audio and visual sensory cues on a participant's sense of presence in a virtual …

Loss of Keap1 function activates Nrf2 and provides advantages for lung cancer cell growth

…, H Tanaka, M Ohtsuji, T Suzuki, A Kobayashi… - Cancer research, 2008 - AACR
Oxidative and electrophilic stresses are sensed by Keap1, which activates Nrf2 to achieve
cytoprotection by regulating the expression of drug-metabolizing and antioxidative stress …

Scaffolding of Keap1 to the actin cytoskeleton controls the function of Nrf2 as key regulator of cytoprotective phase 2 genes

MI Kang, A Kobayashi… - Proceedings of the …, 2004 - National Acad Sciences
Transcription factor Nrf2 regulates basal and inducible expression of phase 2 proteins that
protect animal cells against the toxic effects of electrophiles and oxidants. Under basal …

Physiological significance of reactive cysteine residues of Keap1 in determining Nrf2 activity

T Yamamoto, T Suzuki, A Kobayashi… - … and cellular biology, 2008 - Taylor & Francis
Keap1 and Cul3 constitute a unique ubiquitin E3 ligase that degrades Nrf2, a key activator of
cytoprotective genes. Upon exposure to oxidants/electrophiles, the enzymatic activity of this …