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M. Ayada · SciRah

Researcher profile · Semantic Scholar

M. Ayada

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M. Ayada — researcher profile on SciRah

h-index: 12
Works: 33
Citations: 526

Most-cited papers

Mechanisms of increased insulin resistance in non‐cirrhotic patients with chronic hepatitis C virus infection
T. Maeno, A. Okumura, T. Ishikawa, Koichi Kato +7 more
2003Journal of Gastroenterology and Hepatology93 citations
Semantic Scholar
Expression of Toll‐like receptors in chronic hepatitis C virus infection
Ken Sato, T. Ishikawa, A. Okumura, Taeko Yamauchi +7 more
2007Journal of Gastroenterology and Hepatology75 citations
Semantic Scholar
Analysis of 307 cases with drug‐induced liver injury between 2010 and 2018 in Japan
M. Aiso, H. Takikawa, K. Tsuji, T. Kagawa +23 more
2019Hepatology Research51 citations Open access
Semantic Scholar
Advanced dynamic flow imaging with contrast-enhanced ultrasonography for the evaluation of tumor vascularity in liver tumors.
N. Hotta, T. Tagaya, T. Maeno, M. Ayada +5 more
2005Clinical imaging39 citations
Semantic Scholar
Effect of vitamin K2 on the recurrence in patients with hepatocellular carcinoma.
N. Hotta, M. Ayada, Ken Sato, T. Ishikawa +4 more
2007Hepato-Gastroenterology36 citations
Semantic Scholar
Deficiency of forkhead box P3 and cytotoxic T‐lymphocyte‐associated antigen‐4 gene expressions and impaired suppressor function of CD4+CD25+ T cells in patients with autoimmune hepatitis
A. Okumura, T. Ishikawa, Sayaka Sato, Taeko Yamauchi +6 more
2008Hepatology Research34 citations
Semantic Scholar
Identification of European-type hepatitis E virus subtype 3e isolates in Japanese wild boars: molecular tracing of HEV from swine to wild boars.
T. Nakano, Kazuaki Takahashi, M. Arai, H. Okano +4 more
2013Infection, Genetics and Evolution29 citations
Semantic Scholar
New findings regarding the epidemic history and population dynamics of Japan‐indigenous genotype 3 hepatitis E virus inferred by molecular evolution
T. Nakano, Kazuaki Takahashi, O. Pybus, N. Hashimoto +10 more
2012Liver international (Print)26 citations
Semantic Scholar
Investigating the origin and global dispersal history of hepatitis E virus genotype 4 using phylogeographical analysis
T. Nakano, Kazuaki Takahashi, Masaharu Takahashi, Yoichi Nishigaki +11 more
2016Liver international (Print)22 citations
Semantic Scholar
Molecular epidemiology and genetic history of European-type genotype 3 hepatitis E virus indigenized in the central region of Japan.
T. Nakano, H. Okano, Makoto Kobayashi, Keiichi Ito +12 more
2012Infection, Genetics and Evolution22 citations
Semantic Scholar
Changes in natural killer T cells subsets during therapy in type C hepatitis and hepatocellular carcinoma.
A. Okumura, T. Ishikawa, T. Maeno, Ken Sato +5 more
2005Hepatology Research21 citations
Semantic Scholar
Alteration of serum cytokine balances among different phases of chronic hepatitis B virus infection.
M. Ayada, T. Ishikawa, A. Okumura, Jun-ichi Tanabe +7 more
2006Hepatology Research14 citations
Semantic Scholar
Significant association between HLA‐B*35:01 and onset of drug‐induced liver injury caused by Kampo medicines in Japanese patients
R. Nakamura, Noriaki Arakawa, Yoichi Tanaka, N. Uchiyama +16 more
2022Hepatology Research12 citations
Semantic Scholar
Noninvasive assessment of liver disease - measurement of hepatic fibrosis using tissue strain imaging.
N. Hotta, M. Ayada, A. Okumura, Tetsuya Tshikawa +6 more
2007Clinical imaging12 citations
Semantic Scholar
Four-dimensional ultrasonography for therapeutic radiofrequency ablation for hepatocellular carcinoma.
N. Hotta, T. Maeno, M. Ayada, Ken Sato +5 more
2006Hepato-Gastroenterology11 citations
Semantic Scholar
Investigation of drug-induced hepatopathy by folk medicine and by health food.
M. Onji, H. Takikawa, Yousuke Murata, Y. Kojima +13 more
200511 citations Open access
Semantic Scholar
Frequency of null genotypes of glutathione S‐transferase M1 and T1 in Japanese patients with drug‐induced liver injury
K. Maeda, H. Takikawa, M. Aiso, Kenji Tsuji +14 more
2022Hepatology Research4 citations Open access
Semantic Scholar
Inflammatory cytokines modulate chemokine production patterns of HepG2 cells toward initially inclined direction
Tomohiko Ohashi, Jun-ichi Tanabe, T. Ishikawa, A. Okumura +8 more
2009Hepatology Research4 citations
Semantic Scholar
TRIALS OF PERCUTANEOUS ENDOSCOPIC GASTROSTOMY BY TRANSNASAL ENDOSCOPY USING A SMALL-CALIBER ENDOSCOPE
M. Ayada, T. Nakano, N. Hotta, Harumichi Nakae +6 more
20063 citations
Semantic Scholar
Usefulness of radiofrequency ablation with micro-convex probe for hepatocellular carcinoma.
N. Hotta, M. Ayada, Eiji Matsumoto, A. Okumura +4 more
2009Hepato-Gastroenterology2 citations
Semantic Scholar
Usefulness of live 3D echocardiography during radiofrequency ablation in a case of hepatocellular carcinoma.
N. Hotta, M. Ayada, A. Okumura, T. Ishikawa +1 more
2007Clinical imaging2 citations
Semantic Scholar
Management of imatinib mesilate (IM)-related hepatic injury by adjusting the dose of the drug in a patient with chronic myelogenous leukemia (CML): A case report
M. Ayada, T. Ishikawa, A. Okumura, N. Hotta +6 more
20071 citations Open access
Semantic Scholar
Cholestatic hepatic injury related to administration of sodium risedronate hydrate. A case report with distinctive histological findings
M. Ayada, T. Ishikawa, A. Okumura, Tomohiko Ohashi +5 more
20061 citations Open access
Semantic Scholar
A case of hepatocellular carcinoma (HCC) treated with radiofrequency ablation (RFA) using 4D real-time ultrasound system.
N. Hotta, Y. Fukuzawa, M. Ayada, Ken Sato +6 more
2005Hepato-Gastroenterology1 citations
Semantic Scholar
Hepatocellular Carcinoma 11 and a Half Years after the Resolution of Chronic Hepatitis C Virus Infection Successfully Treated with Interferon
N. Hotta, M. Ayada, A. Okumura, T. Ishikawa +4 more
2009Case Reports in Gastroenterology0 citations Open access
Semantic Scholar
A patient with Gilbert's syndrome complicated with drug-induced liver injury by the over-the-counter drug and Fluvastatin Sodium : A case report
M. Ayada, T. Ishikawa, A. Okumura, N. Hotta +3 more
20090 citations Open access
Semantic Scholar
A CASE OF HEMORRHAGIC GASTRIC VASCULAR ECTASIA TO BE ACCOMPANIED BY IDIOPATHIC PULMONARY FIBROSIS: SUCCESSFULLY TREATED BY ENDOSCOPIC BAND LIGATION
M. Ayada, T. Nakano, N. Hotta, A. Okumura +6 more
20060 citations
Semantic Scholar
Usefulness of Radiofrequency Ablation with a Micro-Convex Ultrasound Probe for the Treatment of Hepatocellular Carcinoma: 314
N. Hotta, M. Ayada, A. Okumura, T. Ishikawa +1 more
20060 citations
Semantic Scholar
A CASE OF HEMORRHAGIC DUODENAL VASCULAR ECTASIA : SUCCESSFULLY TREATED BY ENDOSCOPIC VARICEAL LIGATION
M. Ayada, Y. Fukuzawa, N. Hotta, Eiji Matsumoto +5 more
20050 citations
Semantic Scholar
1165 Combination therapy of lamivudine and HB vaccine for the treatment of chronic hepatitis B
T. Ishikawa, A. Okumura, T. Maeno, Ken Sato +5 more
20030 citations
Semantic Scholar
627 Involvement of CD4+CD25+ regulatory T cells as immune modulators in chronic hepatitis C virus (HCV) infection
A. Okumura, T. Ishikawa, Taeko Yamauchi, T. Maeno +6 more
20030 citations
Semantic Scholar
323 Nutrition is more important than TH1-dominated condition for better response in interferon alpha-2B/ribavirin therapy
A. Okumura, T. Ishikawa, M. Ayada, Ken Sato +5 more
20030 citations
Semantic Scholar
672 Establishment of a novel mouse model for AIH type 2
A. Okumura, T. Ishikawa, Ken Sato, M. Ayada +5 more
20030 citations
Semantic Scholar

Frequent co-authors

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A. Okumura×25
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A. Okumura — researcher profile on SciRah
N. Hotta×25
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N. Hotta — researcher profile on SciRah
T. Ishikawa×24
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T. Ishikawa — researcher profile on SciRah
Ken Sato×23
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Ken Sato — researcher profile on SciRah

×23

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S. Kakumu — researcher profile on SciRah

Y. Fukuzawa×13

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Y. Fukuzawa — researcher profile on SciRah

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T. Maeno — researcher profile on SciRah

Eiji Matsumoto×8

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Eiji Matsumoto — researcher profile on SciRah

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T. Tagaya — researcher profile on SciRah

Tomohiko Ohashi×7

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Tomohiko Ohashi — researcher profile on SciRah

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Y. Takei — researcher profile on SciRah

Taeko Yamauchi×5

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Taeko Yamauchi — researcher profile on SciRah