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B형 만성 간질환 환자들의 간조직내 HBV precore 돌연변이종에 관한 관찰
정해철,박영홍,정정명 대한간학회 1996 Clinical and Molecular Hepatology(대한간학회지) Vol.2 No.2
Background/Aims:In order to determine the relationship between the HBV precore mutant and the severity of liver disease in Korea, we performed liver biopsies in patients with HBV related chronic liver disease and compared the types of mutations and histologic findings in the same liver tissue simultaneously. Methods:HBV DNA in liver tissues was amplified by polymerase chain reaction (PCR). The precore mutants were detected by PCR-SSCP(single strand conformation polymorphism), cloning the amplified PCR products and direct sequencing for them. Results:1. HBV DNA was detected in liver tissues of 28 cases among 30 patients with PCR. And with SSCP, the most cases were mixed type infections. 2. The HBV precore mutants were found in 12 cases among the total number of 28 cases(42.9%) and all mutations were G to A change at nucleotide 1896, creating a stop codon at codon 28. However, 10 cases among 12 mutants were associated with simultaneous another mutation at different positions or regions;9 cases at core gene region, 2 cases at nucleotide 1856(C to T change at codon 15), one case at core promoter, and one case with double mutations at nucleotide 1837 and 1846 respectively. Also, all HBV precore mutants were combined with wild type HBV sequence. 3. The relationship between HBV precore mutants and HBeAg status revealed that 4 cases from 13 HBeAg positive(30.8%) and 8 from 15 HBeAg negative or Anti-Hbe positive(53.3 %) were mutants. 4. In analysis of the types of mutants and histopathological findings of liver diseases, 6 among 15 chronic active hepatitis(40.0%), all 3 cases with hepatocellular carcinoma(100,0 %), 2 among 4 asymptomatic carriers with minimal histopathologic changes(50.0%) and a case with chronic lobular heaptitis(100.0%) showed precore region mutation. Conclusion:The patterns of HBV precore mutants in Korea could be summarized as followings. Firstly, most of the mutations are composed of G to A change at nucleotide 1896. Secondly, the most of the mutants at nuclmtide 1896 have been associated with simultaneous mutations at core promoter, core gene, and rarely at other positions, and manifested usua'ly mixed type viremic conditions. Thirdly, although precore mutation could be occurred in asymptomatic carrier, this type of mutation might be closely related with chronic or severe liver disease. However, it needs further investigations hereafter.
은행원의 개인역량이 조직성과에 미치는 영향에 관한 연구
정해철,김하균 사단법인 미래융합기술연구학회 2021 아시아태평양융합연구교류논문지 Vol.7 No.8
Recently, most service industries have set customer satisfaction as their top priority. With the recognition that customer satisfaction depends on the individual competency of the banker, many financial institutions are actively working on enhancing the personal competency of the banker in the field. Individual competency refers to the skills, knowledge, and attitude that are necessary for each specific individual who is a member of an organization to perform his or her job successfully. The statistical package SPSS 22.0 was used for basic statistical analysis, and the structural equation package Smart PLS 2.0 for the hypothesis testing. This empirical study is intended to confirm the influence of banker's individual competency on organizational performance under the assumption that the individual competency of a bank clerk affects service commitment, and service commitment affects organizational performance. To summarize the results of the study, first, job competency had a significant effect on service commitment. Second, sales competency had a significant effect on service commitment. Third, information collection competency had a significant effect on service commitment. Fourth, service commitment had a significant effect on organizational performance. 최근 대부분의 서비스산업이 고객만족을 최우선 목표로 설정하고 있다. 고객만족은 은행원의 개인역량에 따라 좌우된다는 인식으로 많은 금융기관들이 현업에 종사하는 은행원의 개인역량 제고에 적극 매진하고 있다. 개인역량은 조직의 구성원인 특정 개인 각자에게 자신의 직무를 성공적으로 수행하기 위해 필요한 능력인 기술, 지식, 태도를 의미한다. 기본통계분석을 위해 통계 패키지인 SPSS 22.0을 사용하였으며, 가설검정을 위해 구조방정식 패키지인 Smart PLS 2.0을 사용하여 검증하였다. 본 연구는 은행원의 개인역량이 서비스 몰입에 영향을 미치며, 서비스 몰입은 조직성과에 영향을 미친다는 가정하에 이들 요인 간의 영향관계를 확인하고자 하는 실증적인 연구이다. 서비스 몰입에 영향을 미치는 요인으로 개인역량을 직무역량, 영업역량, 정보수집역량으로 선정하였으며, 조직성과에 미치는 영향요인으로는 서비스 몰입을 선정하였다. 연구결과를 요약하면 첫째, 직무역량은 서비스 몰입에 유의한 영향을 미쳤다. 둘째, 영업역량은 서비스 몰입에 유의한 영향을 미쳤다. 셋째, 정보수집역량은 서비스 몰입에 유의한 영향을 미쳤다. 넷째, 서비스 몰입은 조직성과에 유의한 영향을 미쳤다.