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안선희,안경미,이경원,장보영,안미라,손동석 大韓顎顔面成形再建外科學會 2003 Maxillofacial Plastic Reconstructive Surgery Vol.25 No.1
It has been reported that for implatns to become osseointegrated, they must heal in the absence of functional loads for 4 to 6 months. The provisional implants were designed to support provisional restorations and to allow for load-free osseointegration of definitive implants, while the was provided with immediate esthetic and function. In addition, the provisional implant protects graft site. Also the provisional implant provides anchorage for orthodontic treatment and reconstructs vertical dimension in edentulous condyle fracture to practice functional therapy. The provisional implant system is a sound and economical method to achieve patient's immediate masticatory and esthetic function. Three cases are presented to document and illustrate the clinical application.
SJO¨GREN'S SYNDROME 환자에게 즉시 임프란트 술식을 행한 치험례
최정환,손동석,이지연,이윤서,안선희,이재목 대한악안면성형재건외과학회 2000 Maxillofacial Plastic Reconstructive Surgery Vol.22 No.5
The old edentulous patients experience xerostomia commonly. They have considerable difficulty in wearing tissue-supported prosthesis and high risk rate of caries. One of them is Sj□gren's syndrome patient. Sj□gren's syndrome is a chronic inflammatory autoimmune disorder that results in a lymphocyte-mediated destruction of exocrine glands. We planned to place implants immediately after extraction in this case of autoimmune disease. The advantages of immediate implant placement include considerable decrease in time from tooth extraction to placement of the final prosthesis, fewer surgical procedures, and better acceptance of the overall treatment plan. We present a case of Sj□gren's syndrome patient treated with immediate implant placement & immediate loading in anterior region and immediate implant placement in posterior region.
( Dong Sun Park ),( Sun Hee Lee ),( Young Jin Choi ),( Dae Kwon Bae ),( Yun Hui Yang ),( Goeun Yang ),( Tae Kyun Kim ),( Sung Ho Yeon ),( Seock Yeon Hwang ),( Seong Soo Joo ),( Yun Bae Kim ) 한국응용약물학회 2011 Biomolecules & Therapeutics(구 응용약물학회지) Vol.19 No.2
In order to develop silk peptide (SP) preparations possessing cognition-enhancing effect, several candidates were screened through in vitro assays, and their effectiveness was investigated in facilitated brain aging model rats. Incubation of brain acetyl-cholinesterase with SP-PN (1-1,000 μg/ml) led to inhibition of the enzyme activity up to 35%, in contrast to a negligible effect of SP-NN. The expression of choline acetyltransferase (ChAT) mRNA of neural stem cells expressing ChAT gene (F3.ChAT) was increased by 24-hour treatment with 10 and 100 μg/ml SP-NN (1.35 and 2.20 folds) and SP-PN (2.40 and 1.34 folds). Four-week subcutaneous injections with D-galactose (150 mg/kg) increased activated hippocampal astrocytes to 1.7 folds (a marker of brain injury and aging), decreased acetylcholine concentration in cerebrospinal fluid by 45-50%, and thereby impaired learning and memory function in passive avoidance and water-maze performances. Oral treatment with SP preparations (50 or 300 mg/kg) for 5 weeks from 1 week prior to D-galactose injection exerted recovering activities on acetylcholine depletion and brain injury/aging as well as cognitive deficit induced by D-galactose. The results indicate that SP preparations restore cognitive functions of facilitated brain aging model rats by increasing the release of acetylcholine, in addition to neuroprotective activity.
면역 저하 환자에서 발생한 파종성 Mycobacterium intracellulare 감염
김선영 ( Sun Young Kim ),오동욱 ( Dong Wook Oh ),유지희 ( Ji Hee Yu ),김동회 ( Dong Hoi Kim ),노세희 ( Se Hui Noh ),노재형 ( Jae Hyung Roh ),정상수 ( Sang Su Jung ),유동준 ( Dong Jun Yoo ),심태선 ( Tae Sun Shim ) 대한결핵 및 호흡기학회 2009 Tuberculosis and Respiratory Diseases Vol.67 No.1
We report a case of disseminated Mycobacterium intracellulare infection in a 31-year-old man who had been diagnosed as having dermatomyositis and systemic lupus erythematosus 3-years prior. The patient developed a left pleural effusion M. intracellulare was repeatedly isolated from the pleural fluid. After antimycobacterial treatment, the patient`s pleural effusion resolved, but a left knee joint effusion developed newly and M. intracellulare was cultured from the joint fluid. At present, the patient has been taking antimycobacterial medication for 15 months but his left knee joint fluid remains positive for M. intracellulare. To our knowledge, this is the second reported case of disseminated NTM infection in a non-HIV infected patient in Korea.
난치성 급성 혼합형 백혈병 환자에 동반된 수포성 괴저성 농피증
강희정 ( Kang Hui Jeong ),이재련 ( Lee Jae Lyeon ),이경희 ( Lee Gyeong Hui ),현명수 ( Hyeon Myeong Su ),신동훈 ( Sin Dong Hun ),박진우 ( Park Jin U ),조희순 ( Jo Hui Sun ) 대한내과학회 2004 대한내과학회지 Vol.66 No.2
Pyoderma gangrenosum is a neutrophilic dermatosis that may be associated acute leukemia. We report a case of pyoderma gangrenosum associated refractory acute biphenotypic leukemia wherein the malignant cells show a phenotype specific for myelogenous and l
Sun, Yang-Kook,Kim, Dong-Hui,Yoon, Chong Seung,Myung, Seung-Taek,Prakash, Jai,Amine, Khalil WILEY-VCH Verlag 2010 Advanced Functional Materials Vol.20 No.3
<P>A high-energy functional cathode material with an average composition of Li[Ni<SUB>0.72</SUB>Co<SUB>0.18</SUB>Mn<SUB>0.10</SUB>]O<SUB>2</SUB>, mainly comprising a core material Li[Ni<SUB>0.8</SUB>Co<SUB>0.2</SUB>]O<SUB>2</SUB> encapsulated completely within a stable manganese-rich concentration-gradient shell is successfully synthesized by a co-precipitation process. The Li[Ni<SUB>0.72</SUB>Co<SUB>0.18</SUB>Mn<SUB>0.10</SUB>]O<SUB>2</SUB> with a concentration-gradient shell has a shell thickness of about 1 µm and an outer shell composition rich in manganese, Li[Ni<SUB>0.55</SUB>Co<SUB>0.15</SUB>Mn<SUB>0.30</SUB>]O<SUB>2</SUB>. The core material can deliver a very high capacity of over 200 mA h g<SUP>−1</SUP>, while the manganese-rich concentration-gradient shell improves the cycling and thermal stability of the material. These improvements are caused by a gradual and continuous increase of the stable tetravalent Mn in the concentration-gradient shell layer. The electrochemical and thermal properties of this cathode material are found to be far superior to those of the core Li[Ni<SUB>0.8</SUB>Co<SUB>0.2</SUB>]O<SUB>2</SUB> material alone. Electron microscopy also reveals that the original crystal structure of this material remains intact after cycling.</P> <B>Graphic Abstract</B> <P>A novel high-energy functional cathode material with an average composition of Li[Ni<SUB>0.72</SUB>Co<SUB>0.18</SUB>Mn<SUB>0.10</SUB>] O<SUB>2</SUB>, mainly comprising a core material Li[Ni<SUB>0.8</SUB>Co<SUB>0.2</SUB>] O<SUB>2</SUB> encapsulated completely within a stable manganese-rich concentration-gradient shell was successfully synthesized. This material shows very a high reversible capacity of 193 mA h g<SUP>−1</SUP> as well as excellent cycling and thermal stability. <img src='wiley_img/1616301X-2010-20-3-ADFM200901730-content.gif' alt='wiley_img/1616301X-2010-20-3-ADFM200901730-content'> </P>
Depression and the Risk of Breast Cancer: A Meta-Analysis of Cohort Studies
Sun, Hui-Lian,Dong, Xiao-Xin,Cong, Ying-Jie,Gan, Yong,Deng, Jian,Cao, Shi-Yi,Lu, Zu-Xun Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.8
Background: Whether depression causes increased risk of the development of breast cancer has long been debated. We conducted an updated meta-analysis of cohort studies to assess the association between depression and risk of breast cancer. Materials and Methods: Relevant literature was searched from Medline, Embase, Web of Science (up to April 2014) as well as manual searches of reference lists of selected publications. Cohort studies on the association between depression and breast cancer were included. Data abstraction and quality assessment were conducted independently by two authors. Random-effect model was used to compute the pooled risk estimate. Visual inspection of a funnel plot, Begg rank correlation test and Egger linear regression test were used to evaluate the publication bias. Results: We identified eleven cohort studies (182,241 participants, 2,353 cases) with a follow-up duration ranging from 5 to 38 years. The pooled adjusted RR was 1.13(95% CI: 0.94 to 1.36; $I^2=67.2%$, p=0.001). The association between the risk of breast cancer and depression was consistent across subgroups. Visual inspection of funnel plot and Begg's and Egger's tests indicated no evidence of publication bias. Regarding limitations, a one-time assessment of depression with no measure of duration weakens the test of hypothesis. In addition, 8 different scales were used for the measurement of depression, potentially adding to the multiple conceptual problems concerned with the definition of depression. Conclusions: Available epidemiological evidence is insufficient to support a positive association between depression and breast cancer.
Safety and Immunogenicity of Salmonella enterica Serovar Typhimurium LlaB in Mice
( Sun A Cho ),( In Soo Lee ),( Jong Hwan Park ),( Seung Hyeok Seok ),( Hui Young Lee ),( Dong Jae Kim ),( Min Won Back ),( Seok Ho Lee ),( Sook Jin Hur ),( Sang Ja Ban ),( Yoo Kyoung Lee ),( Jae Hak P 한국미생물생명공학회 2005 Journal of microbiology and biotechnology Vol.15 No.3