Tohoku University · Medicine
Professor Michiaki Unno's research lab focuses on pancreatic cancer therapeutics and regenerative biology, with a central emphasis on neoadjuvant chemotherapy strategies using gemcitabine and S-1 to improve outcomes in resectable and borderline resectable pancreatic ductal adenocarcinoma (PDAC). The lab investigates the role of the Reg gene family in pancreatic islet regeneration and beta-cell proliferation, exploring its potential for treating diabetes and enhancing tissue repair. Through translational studies and preclinical models, including Reg knockout mice, the lab aims to uncover molecular mechanisms underlying pancreatic regeneration and cancer progression. Their work bridges clinical oncology, molecular biology, and regenerative medicine to develop novel therapeutic approaches for pancreatic diseases.
Figures are computed from collected data and may differ slightly.
A randomized, controlled trial has begun to compare neoadjuvant chemotherapy using gemcitabine and S-1 with upfront surgery for patients planned resection of pancreatic cancer. Patients were enrolled after the diagnosis of resectable or borderline resectable by portal vein involvement pancreatic cancer with histological confirmation. They were randomly assigned to either neoadjuvant chemotherapy or upfront surgery. Adjuvant chemotherapy using S-1 was administered for 6 months to patients with cu
189 Background: Despite improvements of postoperative adjuvant therapy for resected pancreatic ductal adenocarcinoma (PDAC), its prognosis remains poor. A randomized controlled trial has begun to compare neoadjuvant chemotherapy using gemcitabine and S1 (NAC-GS) with upfront surgery (Up-S) for patients with PDAC planned resection. Methods: Patients were enrolled after the diagnosis of resectable PDAC with histological confirmation. They were randomly assigned as either NAC-GS or Up-S. In NAC-GS,
We previously identified a gene, reg (i.e. regenerating gene), in the screening of a regenerating islet-derived cDNA library of rat (Terazono, K., Yamamoto, H., Takasawa, S., Shiga, K., Yonemura, Y., Tochino, Y., and Okamoto, H. (1988) J. Biol. Chem. 263, 2111-2114), and isolated a human reg cDNA and gene (Watanabe, T., Yonekura, H., Terazono, K., Yamamoto, H., and Okamoto, H. (1990) J. Biol. Chem. 265, 7432-7439); the rat and human cDNAs encode 165- and 166-amino acid proteins, respectively. Un
Reg (regenerating gene) was isolated as a gene specifically expressed in regenerating islets. We have demonstrated in vitro and in vivo that the exogenous addition of rat and human Reg gene products, Reg/REG proteins, induced beta-cell replication via the Reg receptor and thereby ameliorated experimental diabetes. In the present study, we produced Reg knockout mice by homologous recombination. The Reg gene disruption resulted in a null mutation. Knockout mice developed normally. Islets from the
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