Publications by authors named "Y OTA"

Antimicrobial resistance is a major global concern and economic threat, necessitating a reliable monitoring approach to understand its frequency and spread via the environment. Hospital wastewater serves as a critical reservoir for antimicrobial-resistant organisms; however, its role in resistance gene distribution and dissemination remains poorly understood. This study integrates metagenomic and metatranscriptomic analyses, elucidating the dynamics of antimicrobial resistance in hospital wastewater.

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Traditional mouse models for deep vein thrombosis (DVT), frequently utilized in research focused on cancer-associated thrombosis (CAT), reliably induce thrombus formation by obstructing blood flow (BF) in the inferior vena cava (IVC), which does not occur in humans. Therefore, to develop a new DVT model for CAT studies, we implanted an ameroid constrictor (AC), a hygroscopic casein C-shape device, around the IVC and aorta of immunocompromised mice. We evaluated the thrombus 3 and 8 days post-AC implantation and compared it with the traditional model 2 days post-vena cava ligation.

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Introduction: Laser ablation using a 980-nm wavelength diode laser, which is a new-generation laser, for recurrent bladder cancer is known to have a lower incidence of complications and recurrence than conventional transurethral resection of bladder tumor surgery. This is the first study to report the use of 980-nm diode laser ablation for recurrent non-muscle-invasive bladder cancer in Japan.

Case Presentation: A 73-year-old man underwent transurethral laser ablation for the treatment of recurrent non-muscle-invasive bladder cancer.

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Article Synopsis
  • Pseudomyxoma peritonei (PMP) is a rare condition linked to mucin-producing tumors, usually starting in the appendix, leading to mucin buildup in the abdomen.
  • Researchers conducted RNA-seq analysis on ten PMP cases and their healthy tissue to reveal 32 differently expressed genes, indicating that PMP tumors arise from goblet cells.
  • The study found significant associations between PMP tumors and important biological processes like epithelial-mesenchymal transition, angiogenesis, and inflammation, with further analysis highlighting distinct gene expressions in different PMP types, suggesting more aggressive traits in peritoneal mucinous adenocarcinomas (PMCA).
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Placenta accreta spectrum (PAS) is a life-threatening condition characterized by abnormal placental invasion of the myometrium and is often associated with uterine surgery. However, it can also occur in unscarred uteri, particularly during pregnancies using assisted reproductive technology (ART). Following a successful pregnancy via vitrified-warmed embryo transfer, a 33-year-old nulliparous woman with systemic lupus erythematosus and long-term steroid use presented with intra-abdominal hemorrhage due to placenta percreta and spontaneous uterine perforation at week 10 of gestation.

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