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Joo, Hyejin,Bae, Jinhyun,Lee, Jun-Seon,Bang, Yumi,Lee, Beom-Joon,Park, Jae-Woo,Lee, Kyungjin,Cho, Jae-Heung,Bu, Youngmin Georg Thieme Verlag KG 2019 Planta medica Vol.85 No.3
<B>Abstract</B><P>Epimedii Herba (EH) has been used in traditional Asian medicine to treat hemiplegia following stroke. Icariin, its major active component, is used as a quality-control marker and for its various pharmacological effects. We hypothesized that icariin would show protective effects following traumatic brain injury (TBI). The TBI mouse model was induced using a controlled cortical impact method. Body weight, brain damage, motor function, and cognitive function were evaluated. Synaptogenesis markers were analyzed to investigate potential mechanisms of action. The animals were divided into six groups: sham, control, minocycline-treated group, and icariin-treated (3, 10, and 30 mg/kg, p. o.) groups. The icariin 30 mg/kg-treated group regained body weight at 7 and 8 d post TBI. Icariin 30 mg/kg- and 10 mg/kg-treated groups showed enhanced sensory-motor function at 8 d post TBI in rotarod and balance beam tests. Icariin-treated groups showed increased recognition index in the novel object recognition test at all doses and increased spontaneous alternation in the Y-maze test at 30 mg/kg. Icariin upregulated brain-derived neurotrophic factor, synaptophysin and postsynaptic density protein 95 expressions. However, no protective effects against brain damage or neuronal death were observed. The current results provide a basis for using icariin following TBI and suggest that it could be a candidate for the development of therapeutic agents for functional recovery after TBI.</P>
Comorbidities of Chronic Obstructive Pulmonary Disease in Koreans: A Population-Based Study
Joo, Hyejin,Park, Jinkyeong,Lee, Sang Do,Oh, Yeon-Mok The Korean Academy of Medical Sciences 2012 JOURNAL OF KOREAN MEDICAL SCIENCE Vol.27 No.8
<P>Chronic obstructive pulmonary disease (COPD) includes pulmonary components with increased comorbidity rates, as well as being a systemic disease. Comorbidities may frequently occur in COPD patients over 40 yr old. We report the comorbidities of patients with COPD, diagnosed by spirometry, in a population-based epidemiologic survey in Korea. Data were derived from the fourth Korean Health and Nutrition Examination Survey in 2008, a stratified multistage clustered probability design survey of a sample representing the entire population of Korea. Results of spirometry and various health-related questionnaires were analyzed in 2,177 subjects aged ≥ 40 yr. The prevalence of COPD (FEV<SUB>1</SUB>/FVC < 0.7) in subjects ≥ 40 yr of age was 14.1%. Multivariate analysis showed that underweight (odds ratio [OR] 3.07, 95% confidence interval [CI] 1.05-8.98), coronary heart disease (OR, 0.43; 95% CI, 0.20-0.93) and dyslipidemia (OR, 0.61; 95% CI, 0.45-0.82) were significantly associated with COPD, whereas allergic rhinitis, anemia, arthritis, chronic renal failure, depression, diabetes mellitus, hypertension, gastrointestinal ulcer, and osteoporosis were not. Underweight might be more prevalent but coronary heart disease and dyslipidemia are less prevalent in Koreans with than without COPD in population setting.</P>