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티로파 정(염산티로프라미드 100 mg) 에 대한 안티모딕정의 생물학적 동등성
곽손혁,구선회,린팜두안,강종성,황성주 충남대학교 약학대학 의약품개발연구소 2000 藥學論文集 Vol.16 No.-
Bioequivalence of two tiropramide tablets, test drug (Antimodic® tablet: Chong Kun Dang Pharm. Co.) and reference drug (Tiropa® tablet: Dae Woong Pharm. Co.), was evaluated according to the guidelines of Korea Food and Drug Administration (KFDA). Twenty healthy male volunteers were divided randomly into two groups and administered the drug orally at the dose of 100 mg as tiropramide hydrochloride in a 2×2 crossover study. There was a week washout period between administrations. Blood samples were taken at predetermined time intervals for 10 hr and the plasma concentration of tiropramide HCl was determined by a GC/MS method. AUC_0-10hr (area under the plasma concentration-time curve from time zero to 10 hr), C_max (maximum plasma drug concentration) and T_max (time to reach C_max) were estimated from the plasma drug concentration-time data. Analysis of variance (ANOVA) revealed no difference in AUC_(0-10hr), C_max and T_max between two products. The apparent differences of these parameters between two products were less than 20% (i.e., 0.043, 6.430 and 8.929% for AUC_(0-10hr), C_max and T_max, respectively). The powers (1-β) for AUC_(0-10hr) and C_max were over 0.9. Minimal detectable differences (Δ) at α=0.05, 1-β=0.8 were less than 20% (i.e. 15.71 and 12.53% for AUC_(0-10hr) and C_max, respectively). The 90% confidence intervals (δ) for these parameters were also within ±20% (i.e. -9.15≤δ≤9.24 and -0.90≤δ≤13.77 for AUC_(0-10hr) and C_max, respectively). These results satisfied the criteria of KFDA guidelines for bioequivalence, indicating the two tablets of tiropramide were bioequivalent.
박주철,안성민,김흥중,정문진,박민주,신인철,손호현 大韓齒科保存學會 2005 Restorative Dentistry & Endodontics Vol.30 No.5
법랑모세포는 법랑질을 형성하고 유지하는 세포로, 법랑질의 유기기질을 분비하고 법랑질 석회화 과정에도 관여한다. 치아 발생과정에서 법랑모세포의 분화는 순차적인 상피-간엽 상호작용에 의하여 조절되나, 분화나 성숙과정의 정확한 기전은 아직까지 잘 알려져 있지 않다. 최근에 상아모세포에서 처음 발견된 OD314가 치아 발생과정에서 상아질을 형성하는 상아모세포 뿐 아니라 법랑모세포에도 발현된다고 하였다. 이에 본 연구에서는 생쥐 하악 전치의 다양한 시기의 법랑모세포를 이용하여, 형태학적 분석과 in-situ hybridization에 의한 OD314 mRNA의 발현 그리고 OD314 항체를 이용한 면역조직화학적 분석을 통하여 OD314 유전자의 법랑 모세포 분화와 성숙과정에서의 역할을 연구하여 다음과 같은 결과를 얻었다. 1. 형태학적으로 법랑모세포는 분화 단계에 따라 분비 전단계 법랑모세포, 분비기 법랑모세포, 성숙기의 평탄끝 법랑모세포와 성숙기의 주름끝 법랑모세포로 구분되었다. 2. OD314 mRNA는 분비기의 법랑모세포에서부터 발현되기 시작하여 법랑모세포가 성숙해갈 수록 그 발현이 증가하였다. 3. OD314 단백질은 분비 전단계의 법랑모세포에서는 발현되지 않고, 분비기의 법랑모세포에서는 세포질에 전체적으로 발현되었다. 성숙기의 평탄끝 법랑모세포와 주름끝 법랑모세포에서는 세포의 근심과 원심끝단에 OD314 단백질이 강하게 발현되었다. 이상의 결과를 종합하여 OD314는 법랑모세포의 분화와 성숙과정에서 세포질 내부에서 특징적인 역할을 하는 것으로 사료된다. Ameloblasts are responsible for the formation and maintenance of enamel which is an epithelially derived protective covering for teeth. Ameloblast differentiation is controlled by sequential epithelial-mesenchymal interactions. However, little is known about the differentiation and maturation mechanisms. OD314 was firstly identifled from odontoblasts by subtraction between odontoblast/pulp cells and osteoblast/dental papilla cells, even though OD314 protein was also expressed in ameloblast during tooth formation. In this study, to better understand the biologcal function of OD314 during amelogenesis, we examined expression of the OD314 mRNA and protein in various stages of ameloblast differentiation using in-situ hybridization and immunohistochemistry. The results were as follows : 1. The ameloblast showed 4 main morphological and functional stages referred to as the presecretory, secretory, smooth-ended, and ruffle-ended. 2. ○D314 mRNA was expressed in secretory ameloblast and increased according to the maturation of the cells. 3. OD314 protein was not expressed in presecretory ameloblast but expressed in secretory ameloblast and maturative ameloblast. OD314 protein was distributed in entire cytoplasm of secretory ameloblast. However, OD314 was localized at the proxiamal and distal portion of the cytoplasm of smooth- ended and ruffle-ended ameloblast. These results suggest that ○D314 may play important roles in the ameloblast differentiation and maturation.
고종호,황명오,문주수,황성연,손종연 한국조리과학회 2005 한국식품조리과학회지 Vol.21 No.2
This study was investigated on antioxidative and antimicrobial activities of PSW(pomegranate seed water extract), PSE(pomegranale seed ethanol extract) and PSO(pomegranate seed oil). 'rile extraction yields of PSW, PSE and PSO were 28,9, 13.0 and 4.9%, respectively. Total phenol contents of PSW, PSE and PSO were 47, 78 mg/g(dry basis) and 40 mg/g, respectively. Electron donating abilities of PSW, PSE and PSO at 1,000 ppm were 18.8, 28.5 and 9.7%, respectively. Antioxidative activities in linoleic acid substrates at 500 ppm were in order of 1'SE > a-tocophcrol > PSW > PSO. Antioxidative activities in linoleic acid emulsion substrates at 200 ppm were in order of α-tocopberol > PSE > PSW > PSO, In antimicrobial activity, PSO showed growth inhibition effect against Micrococcus luteus, Salmonella enteritidis and PSW showed growth inhibition effect against Bacillus cereus, Escherichia coll. Whereas antimicrobial activity' of PSE was not observed. The nitrite-scavenging abilities of PSW, PSE and PSO at 2,000 ppm were 27.5, 23.7 and 39.6%, respectively. And the SOD-like activities of PSW, PSE and PSO at 1,000 ppm were 15.9, 34.9 and 0.10%, respectively.
장세진,고상백,강동묵,김성아,강명근,이철갑,정진주,조정진,손미아,채창호,김정원,김정일,김형수,노상철,박재범,우종민,김수영,김정연,하미나,박정선,이경용,김형렬,공정옥,김인아,김정수,박준호,현숙정,손동국 大韓産業醫學會 2005 대한직업환경의학회지 Vol.17 No.4
Background and Purposes: Over the past three decades, numerous studies performed in Korea have reported that job stress is a determinant risk factor for chronic diseases and work disability. Every society has its own culture and occupational climate particular to their organizations, and hence experiences different occupational stress. An occupational stress measurement tool therefore needs to be developed to estimate it objectively. The purpose of this study is to develop and standardize the Korean Occupational Stress Scale (KOSS) which is considered to be unique and specific occupational stressors in Korean employees. Subjects and Methods: Data were obtained from the National Study for Development and Standardization of Occupational Stress (NSDSOS Project: 2002-2004). A total of 12,631 employees from a nationwide sample proportional to the Korean Standard Industrial Classification and the Korean Standard Occupational Classification were administered. The KOSS was developed for 2 years (2002-2004). In the first year, we collected 255 items from the most popular job stress measurement tools such as JCQ, ERI, NIOSH and OSI, and 44 items derived from the a qualitative study (depth interview). Forty-three items of KOSS, in the second year, were retained for use in the final version of the KOSS by using Delphi and factor analysis. Items were scored using conventional 1-2-3-4 Likert scores for the response categories. Results: We developed eight subscales by using factor analysis and validation process: physical environment (3 items), job demand (8 items), insufficient job control (5 items), interpersonal conflict (4 items), job insecurity (6 items), organizational system (7 items), lack of reward (6 items), and occupational climate (4 items). Together they explained 50.0% of total variance. Internal consistency alpha scores were ranged from 0.51 to 0.82. Twenty-four items of the short form of the KOSS (KOSS-SF) were also developed to estimate job stress in the work setting. Because the levels of the subscales of occupational stress were gender dependent, gender-specific standard norms for both the 43-item full version and the 24-item short form using a quartile for the subscales of KOSS were presented. Conclusion: The results of this study suggest that KOSS might be an appropriate measurement scale to estimate occupational stress of Korean employees. Further and more detailed study needs to be conducted to improve the validity of this scale.
서울의 Penicillinase Producing Neisseria gonorrhoeae 발생빈도(1998)
김재홍,김준호,반재용,이정우,황성주,정준규,정성태,강진문,조흔정,홍창의,정혜신,이한승,김이선,이봉길,이종호,선영우,한기덕,윤성필,이성훈,안종성,박석범,문승현,조항래,김형섭,류지호,황재영,박준홍,손상욱 한양대학교 의과대학 2001 한양의대 학술지 Vol.21 No.1
In recent years, gonorrhea has been pandemic and remains one of the most common STDs in the world, especially in developing countries. For the detection of a more effective therapeutic regimen and assessing the prevalence of Penicillinase Producing Neisseria gonorrhoeae(PPNG), we have been trying to study the patients who have visited the Venereal Disease Clinic of Choong-Ku Public Health Center in Seoul since 1980 by menas of the chromogenic cephalosporin method. In 1998, 93 strians of N. genorrhoeae were isolated, among which 60(64.5%) were PPNG. The prevalence of PPNG in Seoul, which had been decreased to 39% in 1996 after a peak of 74.3% in 1993, is increased to 64.5% in 1998.
( Seong Woo Kang ),( Joo-hyuk Son ),( Tae-wook Kong ),( Jiheum Paek ),( Suk-joon Chang ),( Hee-sug Ryu ) 대한산부인과학회 2016 대한산부인과학회 학술대회 Vol.102 No.-
목적: The aim of this study was to compare treatment outcomes of primary concurrent chemoradiation therapy (CCRT) versus radical hysterectomy (RH) followed by adjuvant RT or CCRT in patients with FIGO stage IB-IIA cervical cancer with focal disruption of the cervical stromal ring on magnetic resonance imaging (MRI). 방법: We retrospectively analyzed the clinicopathological data of 156 patients with FIGO stage IB-IIA cervical cancer showing a focal disruption of the stromal ring on MRI between March 2000 and March 2015. Treatment outcomes were compared between the RT-based (n =54) group and RH-based group (n =54) after propensity score matching of each of the patients using a logistic regression model, including age, tumor size on MRI, pelvic lymph node enlargement on MRI, and histology. 결과: Five-year disease-free survival rate was 83.1% for the RT-based group and 77.4% for the RH-based group (p=0.228). Five-year disease-specific survival rate was 84.3% for the RT-based group and 83.5% for the RH-based group (p=0.434). Incidence rates of late grade 3 genitourinary adverse reactions (14.8% vs. 0.0%, p=0.006) were significantly higher in the RH-based group than those in the RT-based group. 결론: Primary CCRT might be the preferred treatment for FIGO stage IB-IIA cervical cancer patients with focal disruption of cervical stromal ring on MRI given that no difference in patient’s survival was found, but higher incidence of treatment-related complications was observed in the RH-based group. Also, primary radical surgery should be done more cautiously in these patients.