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핸드볼 페널티드로우 시 숙련자와 비숙련자 간의 시각적 변이 비교 분석
한재희,박영민,신선미,이준희,심윤식 순천향대학교 기초과학연구소 2022 순천향자연과학연구 논문집 Vol.28 No.1,2
The purpose of this study is to analyze the visual variation of skilled and unskilled people, and to obtain data necessary for skill improvement of effective handball penalty throw. An eye tracker was used to collect eye movements, concentration points, directions, and paths during penalty throws. The results are as follows: 1) For skilled players, the place where they threw and the place where their eyes were focused matched. 2) There is no difference in the presence or absence of eye contact with the goalkeeper.
당뇨병 치료를 위한 SGLT2 억제제의 심혈관계 안전성 관련 최근 임상시험 결과고찰
김혜럼, 한나영, 유미선, 권광일, 윤휘열 충남대학교 약학대학 의약품개발연구소 2017 藥學論文集 Vol.32 No.-
Patients with type 2 diabetes have a two-to three-times greater risk of developing car-diovascular disease than people without diabetes, and the mortality rate from cardiovascular disease is also reported to increase. The reason why cardiovascular disease is more common in type 2 diabetic patients is not only that cardiovascular risk factors are more common than non-diabetic patients, but also that diabetes itself is an independent risk factor for cardiovascular disease. Since rosiglitazone. which was introduced as a treatment for type 2 diabetes in 2000, has been argued to increase cardiovascular disease sluch as myocardial infarction. there were clinical trials of cardiovascular safety of it such as DREAM. ADOPT and RECORD. As a result. rosiglitazone has been banned due to the risk of cardiovascular disease. The US FDA and other regulatory agencies have required clinical trials for type 2 diabetes treatments afterward. 1n this study. it is reviewed that recently developed SGL T2 inhibitors has cardiovascular benefits as a novel mechanism of type 2 diabetes treatment. SGL T2 inhibitors inhibit the renal sodium glucose co-transporter(SGLT2), thereby reducing glucose reabsorption and increasing excretion of it. and consequently lowering blood glucose levels. Recent papers on ongoing cardiovascular-related clinical trials of SGL T2 in-hibitors such as CANVAS. CANVAS-R. CREDENCE of canagliflozin, DECLARE-TIMI 58 of dapagliflozin. and EMPA -REG outcomes of empagliflozin were examined thoroughly as well.
조수헌,하미나,한상환,주영수,성주헌,강종원,윤덕로,송동빈,이명학,김선태 大韓産業醫學會 1996 대한직업환경의학회지 Vol.8 No.2
To determine the recovery time from noise-induced temporary threshold shift(TTS), a prospective field study was conducted at three worksites where workers are known to be exposed high level of noise. Subjects were selected according to answers on a questionnaire which inquired about otological history and previous noise exposure, including avocational, military and occupational exposures. After excluding employee with past otologic problems, recent exposure to high level noise, and under medications, total 92 employees participated in the study. Among 92 participants, complete consecutive audiometric examinations were carried out at 0∼2 hours, 5∼7 hours, 14∼16 hours after worktime noise exposure on 26 participants wearing hearing protectors and 22 participants wearing no protective devices. The difference between the hearing level 0∼2 hours after noise exposure and 5∼7 hours is statistically significant by paired t-test(p<0.01). The median recovery times calculated from the data of 22 participants wearing no protective hearing devices are 15.6 hours at 4000Hz, and 7.7 hours, 10.3 hours, 8.4 hours at 1000Hz, 2000Hz and 8000Hz respectively. These data suggest that when measuring the pure tone audiometry for noise exposed workers, at least 16 hours noise-free interval is required.
데침 조건과 냉해동 방법이 토란의 품질 특성에 미치는 영향
이상윤,최수영,한혜민,유선미,최미정 忠北大學校 農業科學硏究所 2015 農業科學硏究 Vol.31 No.1
The pre-treatment conditions of taro such as blanching, freezing and thawing were studied to optimize it for producing frozen taro to improve its storage ability. Peeled taros were blanched at 100oC with hot water for 2, 3 or 4 min respectively, and then, soaked in cold water. These treated samples were analyzed their physicochemical properties such as pH, hardness and color. Four minutes blanched taros were frozen and thawed with several methods and analyzed its properties. The hardness and pH had not significant difference between raw and blanched taros. In the L* values of taro, inner part had higher than 93 unit regardless of blanching time, whereas outer part had lower values than inner part due to the activation of polyphenoloxidase. Considering the microbial level, especially total coliform, it was determined that 4 minutes blanching was the optimal pre-treatment for maintaining native quality of taro for freezing. Regarding its color change and microbial safety, faster freezing and thawing method had the lowest changes on quality of frozen taro. From these results, it was decided that -40oC freezing and thawing with running water were the best process.
Seon Young Han(한선영),Meeyul Hwang(황미열),Ah-Young Kim(김아영),Eun-Mi Lee(이은미),Eun-Joo Lee(이은주),Myeong-Mi Lee(이명미),Soo-Eun Sung(성수은),Sang-Hyeob Kim(김상협),Kyu-Shik Jeong(정규식) 한국생명과학회 2015 생명과학회지 Vol.25 No.3
비타민 C는 신진대사에 연관되어 있으며 특히 항산화 기능을 가지고 있다. 본 연구에서는 생체에서 비타민 C를 합성할 수 없는 SMP 30 녹아웃 마우스에 간 절제술을 시행하여 간 재생에서 비타민 C의 역할을 관찰하였다. 간 절제술은 마우스 중간엽 및 좌엽을 제거한 부분절제술을 수행하였다. 마우스는 간 절제술 후 비타민 C를 투여한 군(KV)와 비타민 C를 투여하지 않는 군(KO)로 나누어서 비타민 C의 효과를 관찰하였다. 결과 비타민 C를 투여한 KV 마우스의 간 회복이 투여하지 않는 KO 마우스에 비해 촉진되었다. KV 마우스의 혈액에서 관찰된 간소상 지표인 아스파르타산 아미노전달효소 및 간 손상 정도가 KO 마우스에 비해 낮게 관찰되었다. KV 마우스에서는 HGF와 c-Met에 의해서 TGF-베타 수용체 신호전달계가 활성화되고 세포주기 조절인자인 cyclin D1과 PCNA의 발현이 빠르게 증가되었다. 반면 KO 마우스에서는 활성화 되지 않았다. 또한 ERK와 GSK-3β 단백질의 활성화가 관찰되었으며 세포분열 간세포들의 유의적인 증가가 관찰되었다. 그리고 KV 마우스에서는 혈중 알부민의 농도가 높은 것으로 확인되었다. 따라서 본 실험결과는 SMP 30 결핍 마우스에서 비타민 C 투여는 간 재생시스템의 활성화와 이에 따른 빠른 회복을 초래한다. The capacity for liver regeneration involves a variety of nutritional factors. Vitamin C has multiple metabolic and antioxidant functions. In this study, we investigated the role of vitamin C in liver regeneration following hepatectomy in senescence marker protein (SMP)-30 knockout (KO) mice. Partial hepatectomy was performed by resecting the median and left lateral lobes of mice. Vitamin C accelerated liver recovery in SMP30 KO mice treated with vitamin C (KV). The livers of the KV mice exhibited lower levels of aspartate aminotransferase and lower injury than those of the KO mice. Increased type II transforming growth factor-β receptor (TGF-βRII)-mediated regeneration signaling was accompanied by HGF and cMet in the KV but not the KO mice. Consistent with this, the expression of cell cycle regulatory proteins, including cyclin D1 and proliferating cell nuclear antigen (PCNA), increased rapidly in the KV mice. Enhanced activation of ERK and GSK-3β proteins and a significantly increased number of binuclear hepatocytes were also detected in the livers of the KV mice. Moreover, the KV mice synthesized the highest levels of albumin. These data suggest that treating SMP30 knockout mice with vitamin C resulted in earlier recovery and liver regeneration by activation of the regeneration system.
Han, Mi Seon,Yun, Ki Wook,Lee, Hoan Jong,Park, Ji Young,Rhie, Kyuyol,Lee, Joon Kee,Lee, Hyunju,Kwak, Young Ho,Kim, Do Kyun,Suh, Dong In,Choi, Eun Hwa WILLIAMS & WILKINS 2018 PEDIATRIC INFECTIOUS DISEASE JOURNAL Vol.37 No.6
<P>Conclusions: The clinical manifestations of M. pneumoniae pneumonia in young children are milder than those in older children. A high prevalence of co-detected respiratory virus in young children suggests that virus might play a role in making pneumonia clinically apparent in this age group.</P>
Pro-Apoptotic Activity of 4-Isopropyl-2-(1-Phenylethyl) Aniline Isolated from Cordyceps bassiana
( Mi Seon Kim ),( Yun Mi Lee ),( Gi Ho Sung ),( Ji Hye Kim ),( Jae Gwang Park ),( Han Gyung Kim ),( Kwang Soo Baek ),( Jae Han Cho ),( Jae Gu Han ),( Kang Hyo Lee ),( Sung Youl Hong ),( Jong Hoon Kim 한국응용약물학회 2015 Biomolecules & Therapeutics(구 응용약물학회지) Vol.23 No.4
Cordyceps species including Cordyceps bassiana are a notable anti-cancer dietary supplement. Previously, we identified several compounds with anti-cancer activity from the butanol fraction (Cb-BF) of Cordyceps bassiana. To expand the structural value of Cb-BF-derived anti-cancer drugs, we employed various chemical moieties to produce a novel Cb-BF-derived chemical derivative, KTH-13-amine-monophenyl [4-isopropyl-2-(1-phenylethyl) aniline (KTH-13-AMP)], which we tested for anti-cancer activity. KTH- 13-AMP suppressed the proliferation of MDA-MB-231, HeLa, and C6 glioma cells. KTH-13-AMP also dose-dependently induced morphological changes in C6 glioma cells and time-dependently increased the level of early apoptotic cells stained with annexin V-FITC. Furthermore, the levels of the active full-length forms of caspase-3 and caspase-9 were increased. In contrast, the levels of total forms of caspases-3, caspase-8, caspase-9, and Bcl-2 were decreased in KTH-13-AMP treated-cells. We also confirmed that the phosphorylation of STAT3, Src, and PI3K/p85, which is linked to cell survival, was diminished by treatment with KTH-13- AMP. Therefore, these results strongly suggest that this compound can be used to guide the development of an anti-cancer drug or serve as a lead compound in forming another strong anti-proliferative agent.
Han, Mi Seon,Ko, Jung Min,Cho, Tae-Joon,Park, Woong-Yang,Cheong, Hae Il Institute for Clinical Science] 2015 Annals of clinical and laboratory science Vol.45 No.1
<P>Hajdu-Cheney syndrome (HCS) and serpentine fibula-polycystic kidney syndrome (SFPKS) share many similarities, including craniofacial abnormalities, bony deformities, and renal involvement. Because mutations in exon 34 of NOTCH2 have been identified recently in both HCS and SFPKS patients, it has been suggested that these two syndromes be classed as the same disorder. A 3-year-old boy presented with polycystic kidneys and club feet detected during the fetal period; however, acroosteolysis and curved fibulae were not observed. His mother showed osteoporosis and had a history of compression fractures in the spine without renal anomalies. Although the same novel mutation in NOTCH2 was found in both the mother and her son, these patients displayed different clinical manifestations. In this report, we present a familial case of HCS in a boy and his mother that was suspected on physical examination and radiological findings. We speculate that HCS and SFPKS are a single disease entity with a wide spectrum of clinical manifestations associated with truncating mutations in exon 34 of NOTCH2.</P>