Publications by authors named "Katagiri T"

We have developed transition-metal-free synthetic methodologies for dibenzoxazepinones utilizing salicylamides as starting materials and employing two distinct types of successive hypervalent iodine-mediated arylocyclizations. This synthetic protocol encompasses selective phenol -arylation of salicylamides with diaryliodonium salts, followed by electrophilic aromatic amination utilizing chemically or electronically generated hypervalent iodine reagents in the second stage of the process.

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Objectives: The cerebral cortex contains neurons that play a pivotal role in controlling rhythmic masticatory jaw movements. However, the population characteristics of individual cortical neuronal activity during mastication and the impact of tooth loss on these characteristics remain unclear. Thus, in this study, we aimed to determine the activity patterns of mastication-related motor cortical neurons elicited during mastication and examine the effects of tooth extraction on neuronal activity using two-photon Ca imaging in head-restrained awake mice.

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Photodynamic therapy (PDT) is a minimally invasive treatment that elicits tumor apoptosis using laser light exclusively applied to the tumor site. IR-783, a heptamethine cyanine (HMC) dye, impedes the proliferation of breast cancer cells, even without light. Although studies have investigated the efficacy of IR-783 in cell and animal studies, its efficacy in clinical settings remains unknown.

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This study aimed to evaluate the safety and efficacy of cisplatin (CDDP) liposomes. A patient with multiple recurrent liver metastases from metastatic nasal carcinoma was administered CDDP liposomes with consent. Magnetic resonance imaging showed that the patient remained stable disease; however, no apparent side effects were observed, and blood draw data showed no worsening of renal function.

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Cell lines derived from fish tissues are resistant to premature senescence under typical culture conditions. Previously, we demonstrated that fish genomes do not have a p16/Arf locus and that the absence of this locus underlies the lack of senescence in cultured fish cells. However, other factors may also contribute to this resistance.

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Aim: Assessing symptoms and daily functioning in patients with major depressive disorder (MDD) can be challenging, as their limited self-monitoring abilities may result in behavior observed during structured interviews not accurately reflecting their daily lives. This study aimed to determine if specific occupational behaviors could distinguish individuals with MDD from healthy individuals.

Methods: Baseline data were collected from medical records and activity programs.

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An 83-year-old man with a 5-month history of asthma presented to the emergency department with chest oppression and dyspnea. Electrocardiography showed ST-segment depression. Transthoracic echocardiography showed no asynergy with an ejection fraction of 62%.

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Article Synopsis
  • Durvalumab has shown potential to enhance survival in patients with locally advanced non-small cell lung cancer (NSCLC), but the optimal treatment duration is still unclear.
  • This study analyzed 178 patients who received durvalumab after chemoradiotherapy, focusing on the ideal number of treatment cycles and examining survival rates.
  • Results indicated that receiving 20 or more cycles significantly improved progression-free survival and overall survival, suggesting that durvalumab should be administered for more than 6 months for better outcomes.
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  • - Fish cell lines do not easily undergo cellular senescence, which is linked to the absence of the p16 gene that prevents complete cell aging, even with activated Ras.
  • - Unlike fish, Drosophila cells lacking p16 can progress to full senescence with a proinflammatory response (SASP) due to mitochondrial issues, but it's unclear if fish cells show the same progression.
  • - In experiments, while fish cells did show a proinflammatory SASP when mitochondrial dysfunction was induced, it didn't lead to permanent growth arrest, indicating that other factors alongside mitochondrial issues are needed for full senescence in fish cells.
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  • * A study analyzed data from 247 SMI patients who underwent OT, looking at their social activity status before hospitalization and one year post-discharge, factoring in OT participation and other demographic variables.
  • * Findings revealed that higher OT participation rates, being socially active before hospitalization, and not having a marital history significantly predicted increased social activities after discharge.
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Adult neural stem cells (NSCs) in the hippocampal dentate gyrus continuously proliferate and generate new neurons throughout life. Although various functions of organelles are closely related to the regulation of adult neurogenesis, the role of endoplasmic reticulum (ER)-related molecules in this process remains largely unexplored. Here we show that Derlin-1, an ER-associated degradation component, spatiotemporally maintains adult hippocampal neurogenesis through a mechanism distinct from its established role as an ER quality controller.

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During follow-up of a 60-year-old patient with dilated cardiomyopathy, a Holter electrocardiogram revealed monomorphic premature ventricular complexes (PVCs) accounting for 21-30% of total beats. Oral beta-blockers led to no improvement in PVC burden. The first radiofrequency catheter ablation attempt identified the PVC arising from the left ventricle summit communicating vein (CV) but failed to eliminate the PVC's origin.

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Heifer growth and milk production in lactating cows may diminish the nutrient supply to the fetus. This study aimed to analyze the characteristics of the nutrient supply to the fetus in primiparous and multiparous cows. We investigated maternal, umbilical cord, and calf blood glucose and amino acid levels, as well as placental development in 28 primiparous (PP) and 30 multiparous (MP) Holstein cows.

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Postmenopausal women experience bone loss and weight gain. To date, crosstalk between estrogen receptor signals and nuclear factor-κB (NF-κB) has been reported, and estrogen depletion enhances bone resorption by osteoclasts via NF-κB activation. However, it is unclear when and in which tissues NF-κB is activated after menopause, and how NF-κB acts as a common signaling molecule for postmenopausal weight gain and bone loss.

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Knowledge on the distribution and dynamics of glycosylation enzymes in the Golgi is essential for better understanding this modification. Here, using a combination of CRISPR/Cas9 knockin technology and super-resolution microscopy, we show that the Golgi complex is assembled by a number of small 'Golgi units' that have 1-3 μm in diameter. Each Golgi unit contains small domains of glycosylation enzymes which we call 'zones'.

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The sensor response of pressure-sensitive conductive elastomers using polymeric materials can be adjusted by altering the type and quantity of fillers used during manufacturing. Another method involves modifying the surface shape of the elastomer. This study investigates the sensor response by altering the surface shape of an electrode using a readily available pressure-sensitive conductive elastomer.

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Diabetic neuropathy (DN) is a major complication of . Chondroitin sulfate (CS) is one of the most important extracellular matrix components and is known to interact with various diffusible factors; however, its role in DN pathology has not been examined. Therefore, we generated CSGalNAc-T1 knockout (T1KO) mice, in which CS levels were reduced.

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Introduction: The peptide-based cancer vaccine targeting Wilms' tumor 1 (WT1) is a promising immunotherapeutic strategy for hematological malignancies. It remains unclear how long and to what extent the WT1-specific CD8 + cytotoxic T cell (CTL) persist after WT1 peptide vaccination.

Methods: The WT1 peptide vaccine was administered with written consent to a patient with CML in the chronic phase who did not respond well to imatinib, and the patient was followed for 12 years after vaccination.

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Lung cancer, primarily non-small-cell lung cancer (NSCLC), is a significant cause of cancer-related mortality worldwide. Cisplatin-based chemotherapy is a standard treatment for NSCLC; however, its effectiveness is often limited due to the development of resistance, leading to NSCLC recurrence. Thus, the identification of effective chemosensitizers for cisplatin is of paramount importance.

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The mechanisms underlying hepatitis-associated aplastic anaemia (HAAA) that occurs several weeks after the development of acute hepatitis are unknown. A 20-year-old male developed HAAA following living-donor liver transplantation for fulminant hepatitis. The patient's leucocytes lacked HLA-class I due to loss of heterozygosity in the short arm of chromosome 6p (6pLOH).

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In patients with immune-mediated acquired aplastic anemia (AA), HLA class I alleles often disappear from the surface of hematopoietic progenitor cells, potentially enabling evasion from cytotoxic T lymphocyte-mediated pathogenesis. Although HLA class I allele loss has been studied in AA patients treated with immunosuppressive therapy (IST), its impact on allogeneic bone marrow transplantation (BMT) has not been thoroughly investigated. The purpose of this study was to evaluate the clinical implications of HLA class I allele loss in patients with acquired AA undergoing allogeneic BMT.

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Edwardsiella tarda (E. tarda), an intracellular pathogen, has caused severe economic losses in aquaculture. Effective vaccine development for E.

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