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T. Okaya · SciRah

Researcher profile · Semantic Scholar

T. Okaya

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T. Okaya — researcher profile on SciRah

h-index: 13
Works: 39
Citations: 1,017

Most-cited papers

Divergent functions of CD4+ T lymphocytes in acute liver inflammation and injury after ischemia-reperfusion.
C. Caldwell, T. Okaya, A. Martignoni, T. Husted +2 more
2005American Journal of Physiology - Gastrointestinal and Liver Physiology131 citations
Semantic Scholar
Parenchyma-preserving hepatectomy in the surgical treatment of hilar cholangiocarcinoma.
M. Miyazaki, H. Ito, K. Nakagawa, S. Ambiru +4 more
1999Journal of the American College of Surgeons115 citations
Semantic Scholar
Liver-specific pRB loss results in ectopic cell cycle entry and aberrant ploidy.
C. Mayhew, Emily E. Bosco, Sejal R. Fox, T. Okaya +6 more
2005Cancer Research111 citations Open access
Semantic Scholar
Specific role of interleukin-1 in hepatic neutrophil recruitment after ischemia/reperfusion.
A. Kato, C. Gabay, T. Okaya, A. Lentsch
2002American Journal of Pathology108 citations Open access
Semantic Scholar
AGE-DEPENDENT RESPONSES TO HEPATIC ISCHEMIA/REPERFUSION INJURY
T. Okaya, J. Blanchard, Rebecca M. Schuster, S. Kuboki +6 more
2005Shock96 citations Open access
Semantic Scholar
Hepatocyte NF-kappaB activation is hepatoprotective during ischemia-reperfusion injury and is augmented by ischemic hypothermia.
S. Kuboki, T. Okaya, Rebecca M. Schuster, J. Blanchard +3 more
2007American Journal of Physiology - Gastrointestinal and Liver Physiology84 citations
Semantic Scholar
Cytokine Cascades and the Hepatic Inflammatory Response to Ischemia and Reperfusion
T. Okaya, A. Lentsch
2003Journal of investigative surgery78 citations
Semantic Scholar
Peroxisome proliferator-activated receptor-α regulates postischemic liver injury
T. Okaya, A. Lentsch
200465 citations
Semantic Scholar
Distinct and sequential upregulation of genes regulating cell growth and cell cycle progression during hepatic ischemia-reperfusion injury.
Sharon L. Barone, T. Okaya, S. Rudich, S. Petrovic̀ +6 more
2005American Journal of Physiology - Cell Physiology56 citations
Semantic Scholar
Endogenous IL‐13 protects hepatocytes and vascular endothelial cells during ischemia/reperfusion injury
A. Kato, T. Okaya, A. Lentsch
2003Hepatology40 citations Open access
Semantic Scholar
Spermidine/spermine-N1-acetyltransferase ablation protects against liver and kidney ischemia-reperfusion injury in mice.
K. Zahedi, A. Lentsch, T. Okaya, Sharon L. Barone +8 more
2009American Journal of Physiology - Gastrointestinal and Liver Physiology39 citations Open access
Semantic Scholar
Peroxisome proliferator-activated receptor-alpha regulates postischemic liver injury.
T. Okaya, A. Lentsch
2004American Journal of Physiology - Gastrointestinal and Liver Physiology24 citations
Semantic Scholar
Hepatic expression of S32A/S36A IκBα does not reduce postischemic liver injury
T. Okaya, A. Lentsch
200518 citations
Semantic Scholar
Divergent functions of CD 4 T lymphocytes in acute liver inflammation and injury after ischemia-reperfusion
C. Caldwell, T. Okaya, A. Martignoni, T. Husted +2 more
200513 citations
Semantic Scholar
A case of gastric ischemia caused by massive gastric dilatation due to superior mesenteric artery syndrome
Y. Sakurai, F. Hirai, Michikazu Abe, T. Okaya +2 more
2020Clinical Journal of Gastroenterology9 citations
Semantic Scholar
The alterations in hepatic microcirculation and Kupffer cell activity after biliary drainage in jaundiced mice
T. Okaya, K. Nakagawa, F. Kimura, H. Shimizu +6 more
2012Journal of hepato-biliary-pancreatic sciences8 citations
Semantic Scholar
Hepatic expression of S32A/S36A IkappaBalpha does not reduce postischemic liver injury.
T. Okaya, A. Lentsch
2005Journal of Surgical Research7 citations
Semantic Scholar
Obstructive jaundice impedes hepatic microcirculation in mice.
T. Okaya, K. Nakagawa, F. Kimura, H. Shimizu +4 more
2008Hepato-Gastroenterology5 citations
Semantic Scholar
Gastric type III heterotopic pancreas presenting as adenomyoma in the antrum of the stomach: a case report
Yoichi Sakurai, Kentaro Togasaki, Yusuke Nakamura, Hiroyuki Fukuda +5 more
2023Clinical Journal of Gastroenterology4 citations
Semantic Scholar
A rhabdoid‐mimicking intrahepatic cholangiocarcinoma
I. Sugano, T. Senda, S. Hayashi, T. Okaya +2 more
2013Pathology international (Print)3 citations
Semantic Scholar
TWO CASES OF EXTRAHEPATIC CHOLANGIOCARCINOMA WITHOUT JAUNDICE
T. Okaya, Shin'ichiro Hayashi, Kazuo Yamamoto, Hideo Yamamori +2 more
20092 citations Open access
Semantic Scholar
Giant Mesenchymal Hamartoma of the Liver in an Adult
T. Okaya, I. Sugano, Shin'ichiro Hayashi, Hirofumi Suzuki +6 more
20111 citations Open access
Semantic Scholar
[Outcomes and Predictors of Survival in Elderly Patients Aged 80 Years or Older with Colorectal Cancer Following Radical Surgery].
T. Okaya, Shuka Arai, Hirokazu Karaki, Hiroyuki Fukuda +2 more
2025Gan to kagaku ryoho. Cancer & chemotherapy0 citations
Semantic Scholar
A case of early-stage type 3 gastric neuroendocrine tumor in the upper body of the stomach: is endoscopic resection feasible?
Yoichi Sakurai, Hirokazu Karaki, Yusuke Nakamura, Hiroyuki Fukuda +6 more
2024Clinical Journal of Gastroenterology0 citations
Semantic Scholar
[Predictive Value of the Modified Controlling Nutritional Status Score in Patients with Pathological Stage Ⅰ-Ⅱ-Ⅲ Colorectal Cancer Following Radical Surgery].
T. Okaya, Hirokazu Karaki, Hiroyuki Fukuda, Yusuke Nakamura +2 more
2024Gan to kagaku ryoho. Cancer & chemotherapy0 citations
Semantic Scholar
Usefulness of Laparoscopic Circular Dissection of the Area Surrounding an Obturator Hernial Orifice
Y. Oeda, T. Okaya, Yusuke Nakamura, Y. Sakurai +2 more
2024Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association)0 citations Open access
Semantic Scholar
[Prognostic Impact of Onodera's Prognostic Nutritional Index in Patients with Pathological Stage Ⅲ Colorectal Cancer Following Radical Resection].
T. Okaya, Hirokazu Karaki, Hiroyuki Fukuda, Yusuke Nakamura +2 more
2024Gan to kagaku ryoho. Cancer & chemotherapy0 citations
Semantic Scholar
[Significance of Inflammatory/Nutritional Index in Pathological Stage Ⅱ-Ⅲ Colorectal Cancer].
T. Okaya, Hirokazu Karaki, Hiroyuki Fukuda, Yusuke Nakamura +4 more
2023Gan to kagaku ryoho. Cancer & chemotherapy0 citations
Semantic Scholar
Gastric collision tumor composed of early-stage gastric carcinoma and gastrointestinal stromal tumor: a case report
H. Fukuda, Y. Sakurai, Yoshinaga Nomoto, Yusuke Nakamura +5 more
2022Clinical Journal of Gastroenterology0 citations
Semantic Scholar
Eosinophilic gastrointestinal diseases showing a variety of clinical manifestations
Y. Sakurai, Hirofumi Suzuki, Michikazu Abe, T. Okaya +3 more
2020Progress of Digestive Endoscopy0 citations Open access
Semantic Scholar
Laparoscopic Local Resection for Colonic Diverticular Bleeding Using Intraoperative Colonoscopy to Identify the Bleeding Site
H. Fukuda, T. Okaya, H. Shibasaki, Hirokazu Karaki +3 more
2019The Japanese Journal of Gastroenterological Surgery0 citations Open access
Semantic Scholar
A CASE OF REMNANT PANCREATIC CARCINOMA 5 YEARS AFTER PANCREATICODUODENECTOMY FOR INTRADUCTAL PAPILLARY MUCINOUS NEOPLASA WITH CARCINOMA IN SITU
T. Okaya, Hideo Yamamori, Kazuo Yamamoto, Shin'ichiro Hayashi +2 more
20100 citations Open access
Semantic Scholar
[A case of advanced esophageal cancer with no recurrence treated biweekly with postoperative docetaxel/nedaplatin combined chemotherapy after non-curative surgery].
Katsumi Sugimoto, K. Sasaki, Hirokazu Karaki, T. Okaya +5 more
2010Gan to kagaku ryoho. Cancer & chemotherapy0 citations
Semantic Scholar
A CASE OF CYSTIC HEPATIC NEOPLASM WITH SPONTANEOUS NECROSIS
T. Okaya, Shin'ichiro Hayashi, Kazuo Yamamoto, Hideo Yamamori +2 more
20090 citations Open access
Semantic Scholar
MASSIVE DUODENAL ULCER BLEEDING SUCCESSFULLY TREATED USING TRANSCATHETERIC ARTERIAL EMBOLIZATION COMBINED WITH ENDOSCOPY
T. Okaya, Kouichi Kawabe, H. Itoh, Hiroyuki Suzuki +2 more
20080 citations Open access
Semantic Scholar
REDUCED NF‐&kgr;B ACTIVATION AND HSP70 EXPRESSION MAY CONTRIBUTE TO AGE‐RELATED INCREASES IN ISCHEMIC LIVER INJURY.: 180
T. Okaya, H. Wong, A. Lentsch
20040 citations Open access
Semantic Scholar
A delta-2 opioid agonist inhibits p38 MAPK and suppresses inflammatory activation of murine macrophages
T. Husted, A. Lentsch, T. Okaya, M. Govindaswami +2 more
20040 citations
Semantic Scholar
PEROXISOME PROLIFERATOR‐ACTIVATED RECEPTOR‐&agr; (PPAR&agr;) REGULATES ISCHEMIC LIVER INJURY: 209
T. Okaya, A. Lentsch
20030 citations
Semantic Scholar
PEROXISOME PROLIFERATOR-ACTIVATED RECEPTOR-α (PPARα) REGULATES ISCHEMIC LIVER INJURY: 209
T. Okaya, A. Lentsch
20030 citations
Semantic Scholar

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Hideo Yamamori×6

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Hirofumi Suzuki×5

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