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Henoch-$Sch\ddot{o}nlein$ Purpura에서 Interleukin $1{\beta}$ 유전자 다형성과 신장 침범과의 연관성
나형준,고일용,윤준호,예병일,김황민,Na, Hyoung-Joon,Go, Il-Yong,Yoon, Joon-Ho,Yeh, Byung-Il,Kim, Hwang-Min 대한소아신장학회 2006 Childhood kidney diseases Vol.10 No.2
Purpose : High interleukin-1 beta(IL-$1{\beta}$) expression in the skin biopsy specimens of patients with Henoch-$Sch\ddot{o}nlein$ Purpura(HSP) has been observed. We examined IL-$1{\beta}$ gene polymorphism in patients with HSP. The purpose of this study is to examine the relationship between IL-$1{\beta}$ gene polymorphism and renal involvement in HSP. Methods : Patients from mideast Korea with HSP were studied. All patients had at least 6 months of follow up. Patients and ethnically matched controls were genotyped for IL-$1{\beta}$ gene polymorphism by polymerase chain reaction-restriction fragment length polymorphism(PCR-RFLP). Results : Thirty-four patients(all younger than 15 years old) who had been diagnosed with HSP and 27 controls were examined. No allele or genotype differences between the HSP and control groups were observed. No significant association between the carriage of IL-$1{\beta}$(-511) T allele and renal involvement(P=0.525, OR:1.417, CI:0.545-3.686) was found. Conclusion : In unselected patients with HSP, carriage of IL-$1{\beta}$(-511) T allele does not appear to influence renal involvement.
Yeh, Byung-Il,Choi, Jong-Whan,Sohn, Joon-Hyung,Lee, Hyean-Woo,Han, Dong-Pyou,Jung, Seun-Ho,Kim, Hyun-Won Korean Society for Biochemistry and Molecular Biol 1998 Journal of biochemistry and molecular biology Vol.31 No.6
X-ray crystallographic studies of the deoxy form of human adult hemoglobin (Hb A) have shown that ${\beta}99Asp$ is hydrogen bonded to both ${\alpha}42Tyr$ and ${\alpha}97Asn$ in the ${\alpha}_1{\beta}_2$ subunit interface, suggesting that the essential role of ${\beta}99Asp$ is to stabilize the deoxy-Hb by creating the intersubunit hydrogen bond. In particular, for Hb Kempsey (${\beta}99Asp{\rightarrow}Asn$), molecular dynamics simulation indicated that a new hydrogen bond involving ${\beta}99Asn$ can be induced by replacing ${\alpha}42Tyr$ with a strong hydrogen-bond acceptor such as Asp. Designed mutant recombinant (r) Hb (${\beta}99Asp{\rightarrow}Asn$, ${\alpha}42Tyr{\rightarrow}Asp$) have been produced in the Escherichia coli expression system and have shown that functional defects of Hb Kempsey could be compensated by the ${\alpha}42Tyr{\rightarrow}Asp$ substitution. However, as the ${\alpha}42 Tyr{\rightarrow}Asp$ mutation has never been reported before, it is still possible that the functional properties of r Hb (${\beta}99Asp{\rightarrow}Asn$, ${\alpha}42Tyr{\rightarrow}Asp$) may be due to the mutation itself. Thus, it is required to produce r Hb (${\alpha}42Tyr{\rightarrow}Asp$) and r Hb Kempsey (${\beta}99Asp{\rightarrow}AsnX$( as controls, and to compare their properties with those of r Hb (${\beta}99Asp{\rightarrow}Asn$, ${\alpha}42Tyr{\rightarrow}Asp$). r Hb (${\alpha}42Tyr{\rightarrow}Asp$) could not be purified because it is an unstable hemoglobin which forms Heinz bodies. r Hb Kempsey (${\beta}99Asp{\rightarrow}Asn$) exhibits very high oxygen affinity and greatly reduced cooperativity. Thus, r Hb (${\beta}99Asp{\rightarrow}Asn$) and r Hb (${\alpha}42Tyr{\rightarrow}Asp)$ compensate each other.
예병일,Yeh, Byung-Il 연세대학교 의과대학 2016 의학교육논단 Vol.18 No.2
The birth of the scientific revolution, brought forth by Vesalius and Copernicus in 1543, marked the beginning of a new age. However, the changes such as treatment effectiveness, survival rate, prevalence of specific diseases, etc. had not yet become clear during the 16th century. In the early 17th century, Boerhaave emphasized bedside teaching and practice. His attitude influenced numerous students and educators, so many medical students visited hospital wards where he worked. From the late 18th to 19th centuries, Jenner's smallpox vaccination, Pasteur's anthrax and rabies vaccinations, and Koch's four postulates used to detect pathogens were developed using the scientific research method, which initiated big changes for medicine. Flexner, credited for reporting the new medical education system, adopted scientific medicine. He believed medical students must study basic medical science since it could be the foundation of clinical medicine and lead to a revolution in the field. He proposed a new medical curriculum composed of two-years of basic medicine and two-years of clinical medicine, which has been used more than 100 years. During the late 20th century, bedside teaching rounds decreased gradually as scientific medicine has become popular. Many medical educators in many articles have proposed bedside education as an effective method for medical learning. Despite the advent of the age of artificial intelligence and the changing of medical environments in the near future, bedside education will be more useful and important for medical students, educators, and patients as it is a traditional method and essential for patients who desire a more personal approach.
한국의 의예과 교육: 무엇이 문제이고 무엇이 해법인가?
예병일,Yeh, Byung-Il 연세대학교 의과대학 2017 의학교육논단 Vol.19 No.3
When a new educational system for college students in South Korea was established in 1946, the National Committee for Educational Planning adopted a 6-year curriculum of medical education, consisting of a 2-year premedical component and a 4-year medical component. For more than half a century, the premedical curriculum has received little attention. However, it is very important for premedical students to have a range of experiences that could be useful in their future medical careers. In 2005, another change was made to the system of medical education, in which medical schools without a 2-year premedical curriculum were established. This began to stimulate interest in premedical education, and more and more professors have become interested in premedical education as 6-year medical colleges have become more popular than before. Since 2015, the Education and Cultural Center of the Korean Association of Medical Colleges has annually hosted a workshop for redesigning premedical education; these workshops quickly fill up with registrants, reflecting the participants' lively interest in premedical education. The problems of premedical education are mostly due to students' and educators' attitudes. A more effective approach will be needed in the educational system of the future to train highly competent medical doctors. To judge whether an educational program is successful, its aims must be clearly articulated. For this reason, medical colleges must prepare premedical education curricula based on their educational aims. It is expected that the system of premedical education will be strengthened in the future due to the growing awareness of its importance.