User profiles for Masahiko Yamaguchi

masahiko yamaguchi

Verified email at tohoku.ac.jp
Cited by 13225

Fibrosis and adipogenesis originate from a common mesenchymal progenitor in skeletal muscle

…, T Yoneda, M Segawa, M Yamaguchi… - Journal of cell …, 2011 - journals.biologists.com
Accumulation of adipocytes and collagen type-I-producing cells (fibrosis) is observed in
muscular dystrophies. The origin of these cells had been largely unknown, but recently we …

Rhodium-Catalyzed Substitution Reaction of Aryl Fluorides with Disulfides: p-Orientation in the Polyarylthiolation of Polyfluorobenzenes

…, T Suzuki, T Ishikawa, M Yamaguchi - Journal of the American …, 2008 - ACS Publications
In the presence of a catalytic amount of RhH(PPh 3 ) 4 and 1,2-bis(diphenylphosphino)benzene,
an aromatic fluoride, an organic disulfide (0.5 equiv), and triphenylphosphine (0.5 equiv…

Frontal midline theta rhythms reflect alternative activation of prefrontal cortex and anterior cingulate cortex in humans

H Asada, Y Fukuda, S Tsunoda, M Yamaguchi… - Neuroscience …, 1999 - Elsevier
Frontal midline theta rhythm (Fmθ) often appears on electroencephalogram (EEG) during
consecutive mental tasks. To clarify the source of rhythmic activity, magnetoencephalogram (…

Rhodium-catalyzed disulfide exchange reaction

M Arisawa, M Yamaguchi - Journal of the American Chemical …, 2003 - ACS Publications
A system of RhH(PPh 3 ) 4 , trifluoromethanesulfonic acid, and (p-tol) 3 P catalyzes the
disulfide exchange reaction. Treatment of two symmetrical dialkyl disulfides with the catalyst …

GaCl3-Catalyzed Ortho-Ethynylation of Phenols

…, M Arisawa, M Yamaguchi - Journal of the American …, 2002 - ACS Publications
Phenols are ethynylated at the ortho position with silylated chloroethyne in the presence of
a catalytic amount of GaCl 3 and lithium phenoxide. The lithium salt is essential for the …

Asymmetric Michael addition of nitroalkanes to prochiral acceptors catalyzed by proline rubidium salts

M Yamaguchi, Y Igarashi, RS Reddy, T Shiraishi… - Tetrahedron, 1997 - Elsevier
Proline rubidium salts catalyze the asymmetric Michael addition of nitroalkanes to prochiral
acceptors. When (2S)-L-prolines were used, acyclic (E)-enones gave (S)-adducts and cyclic (…

[HTML][HTML] New perspectives on dry eye definition and diagnosis: a consensus report by the Asia Dry Eye Society

…, S Koh, K Nishida, Y Ogawa, M Yamaguchi - The ocular …, 2017 - Elsevier
For the last 20 years, a great amount of evidence has accumulated through epidemiological
studies that most of the dry eye disease encountered in daily life, especially in video display …

Asymmetric Michael Addition of Malonate Anions to Prochiral Acceptors Catalyzed by l-Proline Rubidium Salt

M Yamaguchi, T Shiraishi… - The Journal of Organic …, 1996 - ACS Publications
l-Proline rubidium salt catalyzes the asymmetric Michael addition of malonate anions to
prochiral enones and enals. This method can be applied to a wide range of substrates to give …

Development and validation of the dry eye–related quality-of-life score questionnaire

Y Sakane, M Yamaguchi, N Yokoi, M Uchino… - JAMA …, 2013 - jamanetwork.com
Importance A validated questionnaire that assesses symptoms and the effect of dry eye
disease (DED) on the patient’s daily life is needed to evaluate the condition. Objective To …

[HTML][HTML] Genetic background affects properties of satellite cells and mdx phenotypes

…, T Yoshida, N Sumie, M Yamaguchi… - The American journal of …, 2010 - Elsevier
Duchenne muscular dystrophy (DMD) is the most common lethal genetic disorder of children.
The mdx (C57BL/10 background, C57BL/10-mdx) mouse is a widely used model of DMD, …