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RISS 인기검색어
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- 저자 : 배웅진(Woong Jin Bae) (검색결과 2 건)
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Shin Jay Cho(조신제),Hyong Woo Moon(문형우),Woong Jin Bae(배웅진),Yong-Hyun Park(박용현),U-Syn Ha(하유신),Sung-Hoo Hong(홍성후),Sae Woong Kim(김세웅),Ji Youl Lee(이지열) 대한비뇨기종양학회 2019 대한비뇨기종양학회지 Vol.17 No.3
Purpose: In this study, we attempted to characterize capsaicin’s effects with regard to the apoptosis of murine bladder cancer cells (MBT-2) as well as the pharmacodynamics of nano-encapsulated capsaicin formulation for intravesical instillation. Materials and Methods: We assessed the viability of the MBT-2 cells via MTT staining, agarose gel electrophoresis, and flow cytometric apoptosis analysis. Intravesical reagents were instilled into 3 groups of male white New Zealand rabbits. Instillation agents were nano-encapsulated capsaicin dissolved in saline, capsaicin dissolved in saline, and capsaicin dissolved in dimethyl sulfoxide (DMSO). We also determined the pharmacokinetics of urine, plasma, and bladder tissue after intravesical capsaicin instillation. Results: Capsaicin treatment was determined to reduce cell viability in a time- and dose-dependent manner. The capsaicin concentrations in the urine of the rabbits decreased in each of the treatment groups, but we noted a more profound reduction of capsaicin concentration in the nano-encapsulated capsaicin group. Plasma concentrations were definitely lower as compared with the levels measured in the bladder tissue and urine. We noted distinctive differences in patterns of concentration change between the capsaicin with normal saline solution (NSS) or DMSO and the nano-encapsulated capsaicin groups. The concentration of nano-encapsulated capsaicin in the tissue appeared to increase directly with tissue depth. Conclusions: Our results show that capsaicin can induce apoptosis in MBT-2 cells, as well as the excellent permeation properties of nano-encapsulated capsaicin. Treatment with intravesical capsaicin may be a promising alternative therapeutic modality for the treatment of bladder cancer.
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조수연,배웅진,조용현,이승주 대한감염학회 2009 감염과 화학요법 Vol.41 No.1
Background : Acute bacterial prostatitis is an uncommon male urinary tract infection that is the result of severe prostatic infection mainly by gram-negative bacteria. We conducted a retrospective study to report clinical outcomes of patients with acute bacterial prostatitis. Materials and Methods : The clinical records of 49 patients diagnosed with acute bacterial prostatitis were reviewed retrospectively and patients' symptoms, investigations, and treatments were analyzed. Results : All patients presented with fever and voiding symptoms. Some patients (22.4%) had a history of prior manipulation of the lower urinary tract including transrectal prostate biopsy. Urine cultures were positive for 51% of the patients. The most common pathogen was Escherichia coli (60%), followed by Pseudomonas aeruginosa (20%) and Staphylococcus aureus (12%). The ciprofloxacin susceptibility against E. coli was 80%. All patients were treated with parenteral antibiotics in the hospital followed by oral antibiotics for average of three weeks. The major drugs used for empirical treatment were cephalosporins, aminoglycosides, and fluoroquinolones. Prostatic abscess was found in two (4.1%) Patients and chronic pelvic pain syndrome developed in six (12.2%) patients during follow-up. Conclusion : The currently used empirical antibiotics were mostly effective in the treatment of acute bacterial prostatitis. Continuous monitoring on antimicrobial susceptibility of acute bacterial prostatitis was necessary for providing proper treatment guideline.
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