九州大学 · 医学
伊勢谷紀文教授の研究室は、肝細胞癌（HCC）の治療抵抗性や細胞死メカニズムに注目し、フェロトーシスやNrf2シグナル伝達の役割を解明しています。特に、レヴァチニブなどの分子標的薬の細胞毒性と、がん免疫逃避に関与するPD-L1との関連を、臨床的・分子的なアプローチで解明しています。また、手術後の予後予測や画像診断マーカーの有用性についても、臨床研究と実験的アプローチを融合して研究を推進しています。
Figures are computed from collected data and may differ slightly.
The tyrosine kinase inhibitor lenvatinib is used to treat advanced hepatocellular carcinoma (HCC). Ferroptosis is a type of cell death characterized by the iron-dependent accumulation of lethal lipid reactive oxygen species (ROS). Nuclear factor erythroid-derived 2-like 2 (Nrf2) protects HCC cells against ferroptosis. However, the mechanism of lenvatinib-induced cytotoxicity and the relationships between lenvatinib resistance and Nrf2 are unclear. Thus, we investigated the relationship between l
The clinicopathological features of carcinomas expressing AT-rich interaction domain 1a (ARID1A) and programmed death ligand 1 (PD-L1) in HCC are poorly understood. Here, we examined ARID1A and PD-L1 expression in surgically resected primary hepatocellular carcinoma (HCC) and the association of ARID1A and PD-L1 expression with clinicopathological features and patient outcomes. Their association with ARID1A expression and tumor-associated CD68-positive macrophage was further explored. Using a dat
We examined phosphorylated nuclear factor erythroid 2-related factor 2 (P-NRF2) expression in surgically resected primary hepatocellular carcinoma (HCC) and investigated the association of P-NRF2 expression with clinicopathological features and patient outcome. We also evaluated the relationship among NRF2, cancer metabolism, and programmed death ligand 1 (PD-L1) expression. In this retrospective study, immunohistochemical staining of P-NRF2 was performed on the samples of 335 patients who under
Applying TO to patients with acute cholecystitis allowed us to evaluate the overall quality of care related to hospitalization. TO may provide better assessment of the quality of care and help determine the treatment choice and reduce costs.
Preoperative LCR is a novel and convenient prognostic marker for patients with PC. Patients with low LCR may require more favorable intensive therapy.
We report a rare case of HPS occurring 2 weeks after living donor liver transplantation with a right posterior section graft, diagnosed early via bone marrow aspiration. This clinical course implies an association between HPS and graft dysfunction such as small-for-size syndrome. Further studies of the mechanism of hypercytokinemia-induced HPS are required to confirm the optimal treatment for HPS.
We showed that a high ALPC index was an independent prognostic factor for patients with HCC undergoing curative hepatic resection.
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