Publications by authors named "Ryoko Aoyama"

Introduction: This study aimed to clarify the validity of laparoscopic surgery for lower gastrointestinal perforation by comparing the clinical outcomes of laparoscopic and open emergency surgery.

Methods: We reviewed the data of patients who underwent surgery for lower gastrointestinal perforation. Patients were categorized into two groups: the laparoscopic group who underwent laparoscopic surgery, and the open group who underwent laparotomy.

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Article Synopsis
  • Bacillus cereus is an opportunistic pathogen known for causing serious infections, where sphingomyelinase (SMase) plays a key role in its virulence.
  • The study explored how SMase production varies among different B. cereus strains, focusing on the PlcR transcriptional regulation system that controls SMase expression.
  • Researchers classified strains into three groups based on PlcR box sequence differences, finding that Groups I and II were more pathogenic than Group III, indicating the PlcR box's influence on SMase production and potential clinical relevance.
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