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Micro Total Hip Replacement in Two Dogs with Legg-Calvé-Perthes Disease
노윤석,허수영,윤장원,박지영,정성목,이해범 한국임상수의학회 2017 한국임상수의학회지 Vol.34 No.6
A Maltese (case 1) and a Pomeranian (case 2) presented with acute right and left hind limb weight-bearing lameness. On physical examination, they exhibited severe pain and crepitus on the coxofemoral joint of affected hind limb. In addition, decreased thigh girth measurements were noted compared with the opposite leg. Radiological exam revealed necrotic areas in the femoral head of affected hind limb. These dogs were diagnosed with Legg-Calvé-Perthes disease (LCPD). The dogs underwent micro total hip replacement (THR). After surgery, at 3 years (case 1) and 7 months (case 2), both dogs recovered normal activity. The thigh girth and lameness scores were apparently improved in the affected limbs of both dogs. No complications of prosthesis implants, such as loosening, were noted. The clinical outcomes of these cases indicate that dogs with LCPD can be successfully treated with micro THR and have a good prognosis immediately after surgery.
담즙정체성 간섬유증에서 헬리코박터 파일로리균 감염의 병리효과
노윤석(Yoon Seok Roh),임채웅(Chae Woong Lim),김범석(Bum seok Kim) 대한약학회 2017 약학회지 Vol.61 No.1
Accumulating evidence implicates Helicobacter pylori (H. pylori) could be an exacerbating factors in liver diseases. However, local hepatic immune response induced by H. pylori infection is poorly understood. To clarify immunopathological effect of H. pylori infection on the progression of hepatic fibrosis, C57BL/6 mice were orally inoculated with H. pylori (1×108 CFU/100 μl) for 16 weeks and liver fibrosis was then induced by bile duct-ligation (BDL). H. pylori infection induced increased number of regulatory T cells (Tregs) in the liver, chronic hepatitis, and upregulation of profibrogenic cytokine (TGF-β and IL-6) levels in the liver. In addition, the expression of MCP-1, MIP-1α and RANTES, potent mediator of macrophage and T lymphocyte recruitment, were increased in H. pylori-infected liver. Consistently, we found that H. pylori+BDL-treated mice had enhanced hepatic fibrosis and fibrogenic immune responses compared to BDL-treated mice. Finally, H. pylori-induced profibrogenic responses were significantly suppressed in TLR4 knockout mice, indicating that H. pylori-induced liver fibrosis is dependent on TLR4 signaling. These results are in line with the conclusion that H. pylori-associated Treg and TLR4 responses are, at least in part, responsible for the development of liver fibrosis.
노윤석(Yunseok Noh),손정우(Jeong-Woo Son),노태길(Tae-Gil Noh),박성배(Seong-Bae Park),박세영(Se-Young Park),이상조(Sang-Jo Lee) 한국정보과학회 2012 정보과학회논문지 : 소프트웨어 및 응용 Vol.39 No.5
스마트폰의 대중화와 함께 그에 내장된 GPS를 활용하여 컨텐츠를 제공하는 서비스들이 점차 늘어나고 있다. 그러나 이런 컨텐츠를 단지 위도, 경도 좌표 정보만을 기초로 구성하게 되면 실제 그 위치가 가지는 의미적 특성을 제대로 반영하지 못하게 된다. 사용자의 위치를 기반으로 그에 맞는 서비스를 제공하기 위해서는 장소의 토픽을 고려해야한다. 본 논문은 사용자가 위치한 장소의 지명 키워드로부터 검색 엔진 및 토픽 모델을 통해 장소에 내재된 토픽을 파악하고, 이를 기반으로 관련된 기사를 추천하는 방법을 제안한다. 본 논문이 제안하는 방법을 29곳의 장소에 대해서 두 가지 베이스라인과 함께 비교하였다. 일반적인 질의 확장에 기반한 베이스라인 방법보다 제안한 방법이 NDCG 평가 기준에서 약 18% 이상 높은 성능을 보였다. 또한 제안하는 방법은, 명시적으로 장소와 유관한 토픽을 어휘로 제시할 수 있으며, 이들에 대한 정성적인 분석은 이렇게 제시된 토픽이 해당 장소를 잘 반영하고 있음을 볼 수 있었다. With the popularity of smart phones, services that provide contents using GPS have been increasing. However if these contents would consist only of geographical information like latitude, longitude coordinates, it couldn't catch the meanings of places. To provide the service based on and properly utilizing user location, topics of the places should be considered. This paper studies the problem of recommending articles based on latent topics of a place, which topics are found out from the name of the place where a user is located by a search engine and topic modeling. We compared our proposed method and another two baselines over 29 different places. Our proposed method outperforms the baseline using a well-known query expansion method about 18% in NDCG evaluation measure. In addition, the proposed method is able to show topics associated with a place to words explicitly. And we have shown by qualitative analysis that a discovered topic reflects the true latent place topic well.
남희은, 강환세, 노윤석 고신대학교 영도발전연구소 2008 영도연구 Vol.10 No.-
A Study of Activation Plan for Public-Private Cooperation of Community Welfare on YongDo-gu