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Tomohisa Okaya

Observed names: T Okaya, T. Okaya, Tomohisa OKAYA
ORCID: 0000-0002-6724-2608
Observed ORCID: 0000-0002-6724-2608
OpenAlex ID: A5029561950
Divergent functions of CD4+T lymphocytes in acute liver inflammation and injury after ischemia-reperfusion
2005 · Charles C. Caldwell, Tomohisa Okaya, et al. · American Journal of Physiology-Gastrointestinal and Liver Physiology · 120
Parenchyma-preserving hepatectomy in the surgical treatment of hilar cholangiocarcinoma
1999 · Masaru Miyazaki, Hiroshi Ito, et al. · Journal of the American College of Surgeons · 120
Liver-Specific pRB Loss Results in Ectopic Cell Cycle Entry and Aberrant Ploidy
2005 · Christopher N. Mayhew, Emily E. Bosco, et al. · Cancer Research · 105
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Specific Role of Interleukin-1 in Hepatic Neutrophil Recruitment after Ischemia/Reperfusion
2002 · Atsushi Kato, Cem Gabay, et al. · American Journal Of Pathology · 98
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Age-dependent Responses to Hepatic Ischemia/reperfusion Injury
2005 · Tomohisa Okaya, John Blanchard, et al. · Shock · 92
Hepatocyte NF-κB activation is hepatoprotective during ischemia-reperfusion injury and is augmented by ischemic hypothermia
2006 · Satoshi Kuboki, Tomohisa Okaya, et al. · American Journal of Physiology-Gastrointestinal and Liver Physiology · 74
Cytokine Cascades and the Hepatic Inflammatory Response to Ischemia and Reperfusion
2003 · Tomohisa Okaya, Alex B. Lentsch · Journal of Investigative Surgery · 70
Peroxisome proliferator-activated receptor-α regulates postischemic liver injury
2004 · Tomohisa Okaya, Alex B. Lentsch · American Journal of Physiology-Gastrointestinal and Liver Physiology · 65
Distinct and sequential upregulation of genes regulating cell growth and cell cycle progression during hepatic ischemia-reperfusion injury
2005 · Sharon Barone, Tomohisa Okaya, et al. · American Journal of Physiology-Cell Physiology · 56
Spermidine/spermine-N1-acetyltransferase ablation protects against liver and kidney ischemia-reperfusion injury in mice
2009 · Kamyar Zahedi, Alex B. Lentsch, et al. · American Journal of Physiology-Gastrointestinal and Liver Physiology · 45
Unilateral hepatic artery reconstruction is unnecessary in biliary tract carcinomas involving lobar hepatic artery: implications of interlobar hepatic artery and its preservation.
2000 · M Miyazaki, H Ito, et al. · PubMed · 45
Endogenous IL-13 protects hepatocytes and vascular endothelial cells during ischemia/reperfusion injury
2003 · Atsushi Kato, Tomohisa Okaya, et al. · Hepatology · 40
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Hepatic expression of S32A/S36A IκBα does not reduce postischemic liver injury
2004 · Tomohisa Okaya, Alex B. Lentsch · Journal of Surgical Research · 18
Involvement of the neuropeptide substance P in lung inflammation induced by hepatic ischemia/reperfusion
2004 · T. Okaya, R. Holthaus, et al. · Inflammation Research · 15
A case of gastric ischemia caused by massive gastric dilatation due to superior mesenteric artery syndrome
2020 · Yoichi Sakurai, Futoshi Hirai, et al. · Clinical Journal of Gastroenterology · 10
The alterations in hepatic microcirculation and Kupffer cell activity after biliary drainage in jaundiced mice
2011 · Tomohisa Okaya, Koji Nakagawa, et al. · Journal of Hepato-Biliary-Pancreatic Sciences · 9
A rhabdoid‐mimicking intrahepatic cholangiocarcinoma
2013 · Isamu Sugano, Takashi Senda, et al. · Pathology International · 6
Obstructive jaundice impedes hepatic microcirculation in mice.
2008 · Tomohisa Okaya, Koji Nakagawa, et al. · PubMed · 6
Gastric type III heterotopic pancreas presenting as adenomyoma in the antrum of the stomach: a case report
2023 · Yoichi Sakurai, Kentaro Togasaki, et al. · Clinical Journal of Gastroenterology · 4
A case of early-stage type 3 gastric neuroendocrine tumor in the upper body of the stomach: is endoscopic resection feasible?
2024 · Yoichi Sakurai, Hirokazu Karaki, et al. · Clinical Journal of Gastroenterology · 1
Gastric collision tumor composed of early-stage gastric carcinoma and gastrointestinal stromal tumor: a case report
2022 · Hiroyuki Fukuda, Yoichi Sakurai, et al. · Clinical Journal of Gastroenterology · 1
Giant Mesenchymal Hamartoma of the Liver in an Adult
2011 · Tomohisa Okaya, Isamu Sugano, et al. · 日本消化器外科学会雑誌 · 1
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Two Cases of Extrahepatic Cholangiocarcinoma Without Jaundice
2009 · Tomohisa OKAYA, Shinichi HAYASHI, et al. · Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association) · 1
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[Outcomes and Predictors of Survival in Elderly Patients Aged 80 Years or Older with Colorectal Cancer Following Radical Surgery].
2025 · Tomohisa Okaya, Shuka Arai, et al. · PubMed
[Prognostic Impact of Onodera's Prognostic Nutritional Index in Patients with Pathological Stage Ⅲ Colorectal Cancer Following Radical Resection].
2024 · Tomohisa Okaya, Hirokazu Karaki, et al. · PubMed
Works count: 37
Citation count: 1,002
H-index: 14
I10-index: 15
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