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구순구개열환자에서 자가입자망상골을 이용한 이차성 치조골이식에 관한 임상적 연구
김종렬,진성준,조영철,표세정,변준호 대한악안면성형재건외과학회 2001 Maxillofacial Plastic Reconstructive Surgery Vol.23 No.2
Purpose : This study is conducted to evaluate the clinical success of secondary alveolar bone grafting using autogenous iliac particulate cancellous bone marrow in cleft maxilla. Materials and methods : We evaluated 107 cleft patients who had been admitted to the Dept. of Oral and Maxillofacial Surgery of Pusan National University Hospital from January 1, 1991 to January 31, 1999 and had been performed secondary alveola bone grafting with autogenous particulated cancellous bone marrow from iliac crest. Results : 1. Men were 70 and women were 37, which shows 65.4% and 34.6% and the proportion of males to females was 1.9: 1. Unilateral cases were 89(83.2%) and bilateral cases were 18(16.8%). 2, Age of bone grafting is widely distributed from 7 to 29, and the average was 13.2. 3. Success rate was 97.8% in unilateral cases, 94.4% in bilateral cases. Overall success rate was 96.7%. 4. We evaluated the bone graft contour by the percentage of bone attachment level adjacent to the alveolar cleft and the menial side showed 82.4% and the distal 87.7%. 5. The amount of notching the alveolar ridge at the grafted site through the ratio of notching length up to the most apical base to the length of proximal segment anatomic root was 0.19.
김종렬,정기돈,진성준,조영철,변준호,손우성 대한악안면성형재건외과학회 2000 Maxillofacial Plastic Reconstructive Surgery Vol.22 No.5
Alveolar bone grafting is an essential component of successful surgical rehabilitation in many common cleft deformities. Primary alveolar bone grafting is defined as alveolar bone grafting which takes place before eruption of the primary dentition or before 1 years of age. The major objective in primary alveolar bone grafting is to prevent significant maxillary segmental collapse and arch disturbances. If severe, this can make secondary rehabilitation difficult, costly, and protracted. Such early stabilization may eliminate or, at least, decrease the amount of orthodontic arch expansion required during the transitional dentition period. Furthermore, early obliteration of alveolus fistulae improves speech and dental hygiene. It is critical that abutting maxillary segmental alignment be achieved(generally when the patient is 8 to 10 months of age) before grafting. Otherwise, the amount of dissection necessary to develop mucosal flaps for bone graft coverage will be more extensive, thus risking increased scar formation with potential adverse effects on growth. We report a preliminary result of 4 cases of primary alveolar bone graft using rib bone, performed by limited dissection and onlay graft technique at 8 to 10 months of age. They showed satisfactory clinical results especially in terms of growth up to now.
Oviduct-Specific Enhanced Green Fluorescent Protein Expression in Transgenic Chickens
BYUN, Sung June,KIM, Sung Woo,KIM, Kyung-Woon,KIM, Jeom Sun,HWANG, In-Sul,CHUNG, Hee Kyoung,KAN, In Sun,JEON, Ik-Soo,CHANG, Won-Kyoung,PARK, Soo-Bong,YOO, Jae Gyu Japan Society for Bioscience, Biotechnology, and A 2011 Bioscience, biotechnology, and biochemistry Vol.75 No.4
<P>In this study, we confirmed the ability of the 2-kb promoter fragment of the chicken ovalbumin gene to drive tissue-specific expression of a foreign EGFP gene in chickens. Recombinant lentiviruses containing the EGFP gene were injected into the subgerminal cavity of 539 freshly laid embryos (stage X). Subsequently the embryos were incubated to hatch using phases II and III of the surrogate shell <I>ex vivo</I> culture system. Twenty-four chicks (G0) were hatched and screened for EGFP with PCR. Two chicks were identified as transgenic birds (G1), and these founders were mated with wild-type chickens to generate transgenic progeny. In the generated transgenic hens (G2), EGFP was expressed specifically in the tubular gland of the oviduct. These results show the potential of the chicken ovalbumin promoter for the production of biologically active proteins in egg white.</P>
Human extracellular superoxide dismutase (EC-SOD) expression in transgenic chicken
Sung June Byun,Mi Ran Ji,Ye Jin Jang,A In Hwang,Hee Kyoung Chung,Jeom Sun Kim,Kyung Woon Kim,Hak Jae Chung,Byoung Chul Yang,Ik Soo Jeon,Jin Ki Park,Jae Gyu Yoo,Tae Yoon Kim 생화학분자생물학회(구 한국생화학분자생물학회) 2013 BMB Reports Vol.46 No.8
Byun, Kyung Min,Kim, Sung June,Kim, Donghyun The Optical Society 2006 Applied optics Vol.45 No.14
<P>We investigate the effect of the cross-sectional profile of an array of metallic nanowires on the feasibility of a localized surface plasmon resonance (LSPR) biosensor. Calculations were performed using rigorous coupled-wave analysis with an emphasis on the extinction properties of the LSPR structure. The results indicate that the nanowire structure, particularly that of a T-profile, delivers an extremely linear sensing performance over a wide range of the target refractive index with much enhanced sensitivity. The extinction-based LSPR structure also involves a relatively large dimension and thus is expected to provide a feasible biosensor using current semiconductor technology.</P>
The establishment of KORCC (KOrean Renal Cell Carcinoma) database
Byun, Seok-Soo,Hong, Sung Kyu,Lee, Sangchul,Kook, Ha Rim,Lee, Eunsik,Kim, Hyeon Hoe,Kwak, Cheol,Ku, Ja Hyeon,Jeong, Chang Wook,Lee, Ji Youl,Hong, Sung Hoo,Kim, Yong-June,Hwang, Eu Chang,Kwon, Tae Gyun The Korean Urological Association 2016 Investigative and Clinical Urology Vol.48 No.6
<P><B>Purpose</B></P><P>The purpose of this article is to report establishment of the 1st Web-based database (DB) system to collect renal cell carcinoma (RCC) data in Korea.</P><P><B>Materials and Methods</B></P><P>The new Web-based DB system was established to collect basic demographic and clinicopahtological characteristics of a large cohort of patients with RCC in Korea. Data from a total of 6,849 patients were collected from 8 tertiary care hospitals that agreed to participate in organizing the Korean Renal Cell Carcinoma (KORCC) study group as of 1 July 2015. Basic demographic and clinicopathological characteristics were collected. The data of patients who underwent surgical treatments were analyzed to characterize Korean RCC.</P><P><B>Results</B></P><P>We established the 1st Web-based DB of Korean RCC, a database comprising renal mass management cases from multiple centers in Korea. The data of 5,281 patients who underwent surgical management (mean follow-up, 32 months) were analyzed. The most common symptom was incidentally detected renal mass (76.9%). Clinical T1a was the most common (54.3%) stage and mean tumor size was 4.8±4.2 cm. Radical nephrectomy accounted for 62.7% of cases and an open approach was used in 50.7% and 52.2% of radical and partial nephrectomies, respectively. The 5-year overall, cancer-specific and recurrence-free survival rates were 88.1%, 92.2%, and 88.0%, respectively.</P><P><B>Conclusions</B></P><P>We report the 1st establishment of a Web-based DB system to collect RCC data in Korea. This DB system will provide a solid basis for the characterization of Korean RCC.</P>