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장환희(Hwan Hee Jang),김미주(Mi Ju Kim),조수연(Su Yeon Cho),김정봉(Jung Bong Kim),이성현(Sung Hyeon Lee),이영민(Young Min Lee) 동아시아식생활학회 2015 동아시아식생활학회지 Vol.25 No.5
Asthma is an increasing global health problem, and novel strategies to prevent or ameliorate the condition are needed. The purpose of the present study was to evaluate the anti-inflammatory and anti-asthma effects of Adenophora triphylla var. japonica extracts. We investigated the molecular mechanism underlying the effects of 80% ethanol extracts (AE) of A. triphylla on lipopolysaccharide (LPS)-stimulated RAW 264.7 cells. AE treatment inhibited pro-inflammatory cytokines such as TNF-α and IL-6 as well as nitric oxide (NO) production in LPS-stimulated RAW 264.7 cells. In particular, NO and pro-inflammatory cytokine production was suppressed more effectively by aerial parts (AE-A) than roots (AE-R) of A. triphylla. Quantitative RTPCR assay showed that AE reduced mRNA levels of iNOS and COX-2. We also evaluated the anti-asthmatic effects of AE-A in an ovalbumin (OVA)-induced BALB/c mouse model. AE-A supplementation significantly reduced the amounts of airway eosinophils, IL-4 and IL-13 levels in BALF, and IgE levels in serum as compared with untreated, OVA-induced mice. These results suggest that AE-A can be considered as a therapeutic agent to potentially relieve asthma.
대학생을 대상으로한 구조화된 시간 사용과 웰빙(well-being)의 상관관계
김환희,장문영,Kim, Hwan-Hee,Chang, Moon-Young 대한지역사회작업치료학회 2011 대한지역사회작업치료학회지 Vol.1 No.1
목적: 대학생을 대상으로 구조화된 시간 사용과 웰빙(well-being)의 상관성을 알아보고자 하였다. 연구방법: 233명의 대학생들에게 설문지를 배부하여 233부를 회수하였고, 그 중 기록이 미비한 설문지 10부를 제외하고, 총 223부가 본 연구의 분석 자료로 사용되었다. 구조화된 시간사용 설문지와 웰빙을 측정하기 위해서 한국판 세계보건기구 삶의 질 척도, 삶의 기대척도, 삶의 만족척도, 주관적 행복척도를 사용하였다. 설문 시간은 평균 20분정도 소요되었다. 기술통계를 사용하여 일반적인 특정과 설문지의 평균값을 알아보았고, 구조화된 시간 사용과 웰빙의 상관성은 피어슨 상관분석을 사용하였다. 결과: 구조화된 시간 사용과 웰빙은 전체적으로 양의 상관관계가 있었다. 구조화된 시간사용 설문지의 하부항목 중 효과적인 조직화는 삶의 만족척도와 삶의 기대척도에서, 미래방향은 삶의 질, 삶의 만족척도, 주관적 행복척도에서 유의한 차이를 보이지 않았고, 그 외에는 모두 유의한 상관관계를 나타냈다(p<.05). 결론: 구조화된 시간사용과 웰빙의 상관관계를 알아봄으로써 우리는 시간 관리의 중요성을 알 수 있었다. 작업치료는 수행요소를 중재하는 치료에서 나아가 고객의 시간을 관리해줌으로써 개인의 삶을 웰빙하게 하는데 도움을 줄 수 있을 것이다. 앞으로는 구조화된 시간사용에 영향을 미치는 요인들에 대한 연구 또한 이루어져야 할 것이다. Object : The relationships between the TSQ(Time structure questionnaire) and Well-being were examined. Methods : TSQ and questionnaire about Well-being were executed for 223 university students from April 26th to May 7th, 2010. The questionnaire adapted the item of the TSQ and Korean WHOQOL-BREF, SWLS(Satisfaction with Life Scale), LSES(Life Satisfaction Expectancy Scale), SHS(Subjective Happiness Scale). The questionnaires were distributed directly to the participants. Relativity between the TSQ and questionnaire about Well-being were analyzed using Pearson's correlation analysis. Results : As a result of the relationship between the TSQ and questionnaire about Well-being, overall there was a positive correlation. TSQ(sense of purpose, structured routine, persistence, past orientation) and questionnaire about Well-being showed a statistically significant correlation(p<.05). Conclusion : A structured time use and well-being by investigating the relationship, we were able to see the importance of time management. Currently, clinical occupational therapy focused on performance components, in future, intervention of personal time management to help make ones live well-being.
자색고구마 신자미로부터 분리한 안토시아닌 분획물의 항산화 활성과 산화스트레스에 대한 간세포 보호 효과
장환희,남송이,김미주,김정봉,김행란,이영민,Jang, Hwan Hee,Nam, Song Yee,Kim, Mi Ju,Kim, Jung Bong,Kim, Haeng Ran,Lee, Young Min 한국식품영양학회 2014 韓國食品營養學會誌 Vol.27 No.6
Anthocyanins, a class of flavonoids, are natural water-soluble pigments, which are mainly found in vegetables and fruits. Anthocyanins have attractive pharmacological activities, such as anti-oxidant, anti-inflammatory, anti-cancer, and anti-diabetic. The purpose of this study was to investigate the protective effects of anthocyanins-rich fraction (ANF) from Korean purple sweet potato variety, "Shinjami", against hydrogen peroxide ($H_2O_2$)-induced oxidative stress. In our results, pre-treatment of HepG2 cells with ANF ($10{\mu}g/mL$) significantly prevented cell death and maintained cell integrity, following exposure to 0.9 mM hydrogen peroxide. The $H_2O_2$-dependent production of intracellular ROS was also significantly decreased by pre-treatment with ANF (6 h, $10{\mu}g/mL$). In addition, ANF increased the mRNA levels of antioxidant enzymes, catalase and glutathione level in $H_2O_2$-treated HepG2 cells. These results indicated that ANF protected HepG2 cells against $H_2O_2$-induced oxidative stress by inducing protective system.
증례보고 : 자궁내시경적 근종제거술 동안 발생한 저나트륨혈증
김환희 ( Hwan Hee Kim ),황진영 ( Jin Young Hwang ),전영태 ( Young Tae Jeon ),황정원 ( Jung Won Hwang ),도상환 ( Sang Hwan Do ),나효석 ( Hyo Seok Na ) 대한마취과학회 2009 Korean Journal of Anesthesiology Vol.57 No.5
Hysteroscopy is frequently used to assist the diagnosis and treatment of a series uterine diseases. However, complications associated with the procedure including fluid overload, hyponatremia, hypo-osmolality, hemorrhage, uterine perforation, and air embolism have been reported. The incidence of fluid overload with hyponatremia during hysteroscopic procedures has been reported to be up to 6% and it can probe fatal. Thus, early recognition of this condition and prompt intervention thereof is important to prevent adverse sequelae. Here, we report a case of hyponatremia with incidental fluid overload during hysteroscopy. We detected the signs of complication early on and were thus able to manage it promptly without any resulting adverse sequelae. (Korean J Anesthesiol 2009;57:629∼32)
장환희(Hwan Hee Jang),김행란(Haeng Ran Kim),이영민(Young Min Lee) 동아시아식생활학회 2017 동아시아식생활학회지 Vol.27 No.4
Adenophora triphylla var. japonica extract has been reported to have estrogenic activity and beneficial effects in postmenopausal women requiring estrogen replacement therapy. This study investigated the effects of A. triphylla extract on cognitive function in ovariectomized mice. Water extracts from A. triphylla were administrated to ovariectomized mice fed a high fat diet for 6 weeks. The step through latency time in the passive avoidance test was shortened in ovariectomized mice as compared with sham-operated mice. However, administration of A. triphylla extracts had a tendency to prolong the latency time in ovariectomized mice. Moreover, A. triphylla supplementation caused a significant decrease in mean escape latency in the water maze test. These results indicate that A. triphylla could be used to improve estrogen deficiency-related learning and memory impairments in postmenopausal women.
배환희(Hwan-Hee Bae),신성휴(Seong-hyu Shin),고영삼(Young-Sam Go),하준영(Jun Young Ha),최유찬(Yoo-Chan Choi),손재한(Jae-Han Son),정태욱(Tae-Wook Jung),백성범(Seong-Bum Baek),김정태(Jung-Tae Kim),이진석(Jin-Seok Lee),손범영(Beom-young 한국육종학회 2021 한국육종학회지 Vol.53 No.2
‘KM2’, a maize hybrid grain was developed for the Southeast Asian seed market by the maize breeding team of the Rural DevelopmentAdministration (RDA), South Korea 2018. ‘KM2’ was bred by crossing two inbred lines, ‘15VL065’ and ‘KS155’. After a advanced yieldtrial at Dong Trieu, Vietnam, for the first cropping cycle in 2016, country adaptability trials were performed twice in three different countries:Vietnam, Cambodia, and Indonesia, in 2016 and 2017. ‘KM2’, a yellow intermediate seed for food and feed, adapts well to the northern Vietnam,northwestern Cambodia, and Central Java in Indonesia. It is an early maturing high-grain yield F1 hybrid. This hybrid is resistant to downymildew, but not corn rust. The silking date of ‘KM2’ is 10 days earlier than that of ‘LVN10’, a leading cultivar in Vietnam. ‘KM2’ producedgrain yields of 811 kg/10a, 845 kg/10a, and 783 kg/10a in Vietnam, Cambodia, and Indonesia, respectively, showing even higher grain yieldthan the countries’ respective leading cultivar. ‘KM2’ produced 61%, 17%, and 14% higher grain yield in Vietnam, Cambodia, and Indonesia,respectively, than their respective control cultivars (‘LVN10’, ‘CP888’, ‘P21’) (Registration No. 8192).
김영민,이환희,Kim, Young-M.,Lee, Whan-H. 생화학분자생물학회 1986 한국생화학회지 Vol.19 No.1
Pseudomonas carboxydohydrogena와 Pseudomonas carboxydovorans의 일산화탄소 산화효소는 세가지 종류의 소단위로 구성 (85,000, 28,000 또는 25,000, 14,000) 되어 있음이 확실히 밝혀졌다. 이와 같은 소단위 구성양상은 효소의 분석방법이나 이 효소를 유도하기 위한 배지의 조성에 의해 영향을 받지 않고 항상 일정하였다. Three kinds of non-identical subunits were found to be present in carbon monoxide dehydrogenases from Pseudomonas carboxydohydrogena (85,000, 28,000, and 14,000) and Pseudomonas carboxydovorans (85,000, 25,000, and 14,000). The subunit pattern of these enzymes was constant and was not changed either by analysis of the enzyme under different conditions or by inducing the enzymes under variable culture conditions.