Publications by authors named "Yusuke Murakoshi"

Article Synopsis
  • Acquired osmotolerance in Arabidopsis thaliana is affected by a mutant called aod1, which is sensitive to osmotic stress despite having normal tolerance to salt and oxidative stresses.
  • Aod1's phenotype is linked to a mutation in the CONSTITUTIVELY ACTIVATED CELL DEATH 1 (CAD1) gene, which negatively regulates immune responses, suggesting a role in stress tolerance.
  • The study indicates that increased immune response and cell death in aod1 under normal conditions hinder its ability to manage osmotic stress, highlighting CAD1's potential function in regulating osmotolerance.
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We have previously reported a wide variation in salt tolerance among accessions and identified , encoding a nucleotide-binding leucine-rich repeat (NLR) protein, as the causal gene responsible for the disturbance of acquired osmotolerance induced after mild salt stress. is conserved among Arabidopsis osmosensitive accessions, including Col-0. In response to osmotic stress, it induces detrimental autoimmunity, resulting in suppression of osmotolerance, but how triggers autoimmunity remains unclear.

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Non-occlusive mesenteric ischemia(NOMI)causes intestinal necrosis due to irreversible ischemia of the intestinal tract despite the absence of organic obstruction in the mesenteric blood vessels. The disease has extremely poor prognosis. We encountered 2 cases of NOMI hypothesized to have developed after chemotherapy; thus, we report these cases considering the available literature.

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Objective: We evaluated hepatectomy combined with radiofrequency ablation(RFA)in patients with liver metastases from colorectal cancer for which curative resection is difficult.

Methods: This study included 13 patients who underwent hepatectomy combined with RFA for liver metastases from colorectal cancer in or before 2015.

Results: In 11 patients who were determined to have achieved a complete curative resection, the 50%survival time was 35.

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Only hepatic metastasectomy has been shown to have a therapeutic effect for hepatic metastases of colorectal cancer if the primary tumor can be removed radically according to the 2014 guidelines of the Japanese Society for Cancer of the Colon and Rectum. However, only a few patients with hepatic metastases are candidates for metastasectomy due to tumor factors other than the hepatic metastases. Furthermore, hepatic metastasectomy is frequently judged to be impossible in older patients due to underlying diseases and surgical tolerability.

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Biomarkers tested by blood sample are of great use to clinicians as they provide useful information to aid an early and accurate diagnosis. Comprehensive "omics" studies are expected to facilitate the identification of such new biomarkers, and much research is being performed in this area. Our proteomics analysis system of 2-dimensional image-converted analysis of liquid chromatography and mass spectrometry (2DICAL) has successfully identified several new blood biomarkers from the clinical blood samples of pancreatic and colorectal cancer patients.

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A jejunum partial resection was performed on a 49-year-old female for jejunum leiomyosarcoma of 7 cm in 1990. She was resected four times for recurrent tumors from 1993 to 2004. We started an internal use of imatinib in 2003, because we could get a diagnosis of GIST.

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The development of a new plasma biomarker for early detection would be necessary to improve the overall outcome of colorectal cancer. Here we report the identification and validation of the ninth component of complement (C9) as a novel plasma biomarker for colorectal cancer by cutting-edge proteomic technologies. Plasma proteins were enzymatically digested into a large array of peptides, and the relative quantity of a total of 94,803 peptide peaks was compared between 31 colorectal cancer patients and 59 age/sex-matched healthy controls using 2D image-converted analysis of liquid chromatography and mass spectrometry.

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