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The detecion of African swine fever virus via hair plucking: An alternative non-invasive approach
Chae-Rin Park(Chae-Rin Park),Tae-Young Suh(Tae-Young Suh),Da-Hye Yi(Da-Hye Yi),Soo-Kyoung Lee(Soo-Kyoung Lee),Seong-Keun Hong(Seong-Keun Hong),Ki-Hyun Cho(Ki-Hyun Cho),Jee-Yong Park(Jee-Yong Park),Yon 한국예방수의학회 2022 한국예방수의학회 학술대회자료집 Vol.2022 No.-
Chae-Rin Park,Tae-Young Suh,Da-Hye Yi,이수경,Seong-Keun Hong,Ki-Hyun Cho,Jee-Yong Park,Yong-Joo Kim,Hae-Eun Kang,Jun-Gu Choi 한국예방수의학회 2022 예방수의학회지 Vol.46 No.3
African swine fever (ASF) is a hemorrhagic viral disease of pigs requiring laboratory diagnosis for confirmation. Though tissue and blood samples are considered optimal for ASF diagnosis, collection of these samples can be laborious, time-consuming, and pose a risk of contaminating the environment. Here, we suggest an alternative non-invasive sampling method, hair plucking, for ASF diagnosis. ASF virus was detected in plucked hair samples from experimentally infected pigs. Although the sensitivity was inferior to whole blood, the results suggest that hair plucking can be an alternative method that can also improve animal welfare.
Park, Myoung-Rin,Park, Yeon-Hee,Choi, Jae-Woo,Park, Dong-Il,Chung, Chae-Uk,Moon, Jae-Young,Park, Hee-Sun,Jung, Sung-Soo,Kim, Ju-Ock,Kim, Sun-Young,Lee, Jeong-Eun The Korean Academy of Tuberculosis and Respiratory 2014 Tuberculosis and Respiratory Diseases Vol.76 No.5
Background: Small cell lung cancer (SCLC) is an extremely aggressive tumor with a poor clinical course. Although many efforts have been made to improve patients' survival rates, patients who survive longer than 2 years after chemotherapy are still very rare. We examined the baseline characteristics of patients with long-term survival rates in order to identify the prognostic factors for overall survivals. Methods: A total of 242 patients with cytologically or histologically diagnosed SCLC were enrolled into this study. The patients were categorized into long- and short-term survival groups by using a survival cut-off of 2 years after diagnosis. Cox's analyses were performed to identify the independent factors. Results: The mean patient age was 65.66 years, and 85.5% were males; among the patients, 61 of them (25.2%) survived longer than 2 years. In the multivariate analyses, CRP (hazard ratio [HR], 2.75; 95% confidence interval [CI], 1.25-6.06; p=0.012), TNM staging (HR, 3.29; 95% CI, 1.59-6.80; p=0.001), and progression-free survival (PFS) (HR, 11.14; 95% CI, 2.98-41.73; p<0.001) were independent prognostic markers for poor survival rates. Conclusion: In addition to other well-known prognostic factors, this study discovered relationships between the long-term survival rates and serum CRP levels, TNM staging, and PFS. In situations with unfavorable conditions, the PFS would be particularly helpful for managing SCLC patients.
한국인에서 Kir6.2 유전자 E23K 다형성과 체지방 분포의 연관성 연구
박채린(Chae-Rin Park),서영성(Young-Sung Suh),김대현(Dae-Hyun Kim),김대광(Dae-Kwang Kim) 대한체질인류학회 2010 대한체질인류학회지 Vol.23 No.1
비만은 에너지소비, 음식 섭취량 및 신체활동 등의 상호작용으로 발생하며 각각의 요소들은 유전자의 영향을 받기도 한다. 현재까지 알려진 비만관련 유전자는 200가지 이상이며, 이중 Kir6.2는 이자 β-세포의 KATP 통로구멍을 둘러싸는 요소로, 이곳의 변이는 K 통로의 능력이 감소되고 인슐린 분비능력을 감소시켜 제2형 당뇨에 걸리기 쉽게 된다. 또한 2형 당뇨와 비만과의 관계도 잘 알려져 있는데, 이에 한국인에서 Kir6.2 유전자 중 E23K의 다형성과 비만과의 관계와 혈당 및 혈중 지질과의 관계에 대해서 알아보았다. 비만클리닉을 방문한 환자 중 본 연구에 동의한 164명을 대상으로 하였다. 총몸지방량, 배 피부밑지방 및 내장 지방량 신체계측을 시행하였고, 공복시 혈당, 지질, 혈중 C-reactive protein를 측정하였다. Kir6.2 유전자 E23K 다형성은 각각 E/E, E/K, K/K 변이 군으로 나누었다. E/E, E/K, K/K 변이는 각각 24, 79, 61명이었고, 이들의 분산분석 결과 K/K 변이는 E/E 야생형군에 비해 내장지방(P<0.05), 총콜레스테롤(P<0.05)과 유의한 차이가 있었다. 그러나 공복혈당, 총 콜레스테롤이외의 혈중지질 및 피부밑지방량은 다형성에 따른 차이가 없었다. 일부 한국인에 있어서 Kir6.2 E23K 다형성에 따라 내장지방 분포와 혈중 콜레스테롤에서 유의한 차이가 있었다. Obesity is caused by interactions of energy consumption, amount of food intake, physical activity and etc, and these elements are influenced by genetic factors. Obesity related genes which have been known by now are over 200. One of these is Kir6.2 which forms the pore region of KATP channel, and genetic variation of which may result in altered β-cell electrical activity, insulin secretion, glucose homeostasis, and increased susceptibility to type 2 diabetes. Therefore, the purpose of this study was to examine the relationship between Kir6.2 E23K polymorphism and fat distribution or metabolic profiles in Korean. A total of 164 patients who visited Dongsan Medical Center Obesity Clinic from February 2004 to December 2005, were enrolled in this study. Screening for Kir6.2 polymorphism carried out by PCR-RFLP analyses. We divided this group into three groups E/E, E/K, K/K. Serum lipid and blood glucose were measured by autoanalyzer. Visceral fat amount and subcutaneous fat by abdominal CT, total fat mass by DEXA were measured. The subjects of E/E, E/K, K/K genotypes were 24, 79, and 61, respectively. The results of ANOVA analysis was that subjects with the K/K genotypes had more visceral fat amount (P<0.05) and higher total cholesterol levels (P<0.05) than E/E subjects group. Visceral fat amount and serum total cholesterol were significantly different according to Kir6.2 E23K polymorphism. Therefore, Kir6.2 polymorphism may act on fat distribution in Koreans.