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Effects of Watercress Containing Rutin and Rutin Alone on the Proliferation and Osteogenic Differentiation of Human Osteoblast-like MG-63 Cells

  • Hyun, Hanbit;Park, Heajin;Jeong, Jaehoon;Kim, Jihye;Kim, Haesung;Oh, Hyun Il;Hwang, Hye Seong;Kim, Ha Hyung
    • The Korean Journal of Physiology and Pharmacology
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    • v.18 no.4
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    • pp.347-352
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    • 2014
  • Most known osteoporosis medicines are effective for bone resorption, and so there is an increasing demand for medicines that stimulate bone formation. Watercress (N. officinale R. Br.) is widely used as a salad green and herbal remedy. This study analyzed a watercress extract using ultra-performance liquid chromatography/mass spectrometry, and identified a rutin as one of its major constituents. Osteogenic-related assays were used to compare the effects of watercress containing rutin (WCR) and rutin alone on the proliferation and differentiation of human osteoblast-like MG-63 cells. The reported data are expressed as percentages relative to the control value (medium alone; assigned as 100%). WCR increased cell proliferation to $125.0{\pm}4.0%$ ($mean{\pm}SD$), as assessed using a cell viability assay, and increased the activity of alkaline phosphatase, an early differentiation marker, to $222.3{\pm}33.8%$. In addition, WCR increased the expression of collagen type I, another early differentiation marker, to $149.2{\pm}2.8%$, and increased the degree of mineralization, a marker of the late process of differentiation, to $122.9{\pm}3.9%$. Rutin alone also increased the activity of ALP (to $154.4{\pm}12.2%$), the expression of collagen type I (to $126.6{\pm}6.2%$), and the degree of mineralization (to $112.3{\pm}5.0%$). Daidzein, which is reported to stimulate bone formation, was used as a positive control; the effects of WCR on proliferation and differentiation were significantly greater than those of daidzein. These results indicate that WCR and rutin can both induce bone formation via the differentiation of MG-63 cells. This is the first study demonstrating the effectiveness of either WCR or rutin as an osteoblast stimulant.

Application of Web Query Information for Forecasting Korean Unemployment Rate (실업률 예측을 위한 인터넷 검색 정보의 활용)

  • Kwon, Chi-Myung;Hwang, Sung-Won;Jung, Jae-Un
    • Journal of the Korea Society for Simulation
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    • v.24 no.2
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    • pp.31-39
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    • 2015
  • Unemployment is related to social issues as well as personal economics activity so various policies have been made to reduce the unemployment rate in many countries. Because of delay inherent in the survey mechanism to collect unemployment data, it takes lots of time to acquire survey unemployment data. To develop proper policies for reducing unemployment rate at the right time, it is quite critical to obtain faster and more accurate information concerning about unemployment level. To remedy this problem, recently an advanced analytics utilizing internet queries is suggested. To examine the potential of Web query information, this research investigates the usefulness of internet activity data to predict Korean unemployment rate. One of selected web-query data(unemployment claim) has a quite strong correlation with unemployment rate. This research employes a time series approach of the ARIMA model that utilizes the information of keyword queries provided by the Naver(Korean representative portal site) trend together with unemployment rate data provisioned from Statistics Korea. With respect to model selection guidelines of mean squared error and prediction error, the model with utilizing the web query information shows better results than the model without such information. This suggests that there is a strong potential for the used method, which needs to be further explored.

A Study on Application for Custody in CIETAC Arbitration Rule (중국 CIETAC 중재규칙상의 보전신청에 관한 연구)

  • 윤진기
    • Journal of Arbitration Studies
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    • v.13 no.2
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    • pp.47-68
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    • 2004
  • The problems on application for custody in CIETAC Arbitration Rule are examined in this paper. First, The issue of jurisdiction for application for custody is arisen from the expansion of material jurisdiction of CIETAC. Until 1998, CIETAC had a jurisdiction only for the cases involving foreigners, but now, it has a jurisdiction not only for the cases involving foreigners but also for domestic cases. In the cases of arbitrating disputes involving foreigners, if the parties concerned apply for the preservation of property, CITEAC shall forward the application to and obtain a ruling from an intermediate people's court in the place where the object of the application resides, or where the property is located. But in the cases of arbitrating domestic disputes, if the parties concerned apply for the preservation of property, CITEAC shall forward the application to and obtain a ruling from an ground-level people's court in the place where the object of the application resides, or where the property is located. Therefore, "People's court" in article 23 of CIETAC Arbitration Rule includes both intermediate people's court and ground-level people's court in its meaning. Second, in the cases that the party concerned submits arbitration to CIETAC, it is not permitted for the party to ask the people's court for custody of property before submitting an arbitration. But there still can be the urgent cases that interests of the party concerned are at stake, and legitimate rights and interests of the party concerned may be damaged beyond remedy, if no application for custody of property is filed immediately. In that cases, even if the party may apply for custody of property with the people's court after submitting an arbitration, it might be too late to preserve property. Therefore, Chinese laws and rules have to be revised so that the party may ask the people's court for custody of property before submitting an arbitration. When revising laws and rules, according to the today's legislation trends, it must be considered that court and arbitration tribunal both have a right to decide the custody of property. When arbitration tribunal decides it, the procedural provisions executing it must be provided. It is also required that China permit to apply preservation of evidence as well as custody of property before submitting an arbitration. It is also strongly recommended that China permit custody of property or preservation of evidence even in the cases that an arbitration is submitted to the arbitration institute which is located in foreign country, not in China.

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Performance of Full Duplex Switched Ethenlet Systems with a Dual Traffic Regulator for Avionic Data Buses (이중 트래픽 조절기능이 있는 항공데이터버스용 전이중 이더넷 교환시스템의 성능 분석)

  • Kim, Seung-Hwan;Yoon, Chong-Ho;Park, Pu-Sik
    • Journal of the Institute of Electronics Engineers of Korea TC
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    • v.46 no.2
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    • pp.89-96
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    • 2009
  • As increasing the number of digital control devices installed on aircrafts and their transmission speed, various digital data buses have been introduced to provide reliable and high-speed characteristics. These characteristics of avionics data bus are highly related on the fault-tolerant performance which can make minimize jitter and loss during data transfer. In this paper, we concerned about a new traffic shaping scheme for increasing the reliability of Avionics Full Duplex Switched Ethernet (AFDX) systems based on ARINC 664 standard. We note that the conventional AFDX with a single regulator per virtual link system may produce aggregated traffics as the number of virtual links increasing. The aggregated traffic results in large jitters among frames. To remedy for the jitter and loss of data, we propose a dual regulator scheme for the AFDX system. The purpose of the additional regulator is to additionally regulate aggregated traffics from a number of per virtual link regulators. Using NS-2 simulator, we show that the proposed scheme provides a better performance than the single regulator one. It is worthwhile note that the proposed AFDX with Dual Regulator scheme can be employed to not only aircraft networks but other QoS sensitive networks for robot and industrial control systems.

The Pain Behavior of Patients with Back Pain (요통환자의 통증행위에 대한 조사연구)

  • 이은옥;임난영;김달숙;김순자;한윤복;김주희;김광주;박점희;이선옥
    • Journal of Korean Academy of Nursing
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    • v.17 no.3
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    • pp.184-194
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    • 1987
  • The purposes of this study were; 1) to gather data relevant to demographic features. major main management practices, and the level of impairment of the activities of daily living (ADL) of patients with back pain, 2) to test the sensitivity of the Korean Pain Rating Scale and the Graphic Rating Scales, and 3) to identify indirect indicators of back pain by analysing pain related-behaviors. The level of pain was measured by Korean Pain Rating Scale(KPRS) and Graphic Rating Scales(GRS) developed by the reserchers. The GRS consists of two dimensions; the pain intensity (sensory) and unpleasantness (affective) measures. Of the 1,650 diagnosed back pain patients, from January 4 through June 30, 1987 by visiting outpatients' clinics of orthopedic and neurosurgical departments at 11 university hospitals in different districts of Korea, 330 men and women patients were self-selected by responding to the mailed questionnaires. The results were summarised as follows: Male exceeded female patients in number and onset of back pain were more prevalent in the age groups of 20s and the 30s. The average duration of suffering from the pain were 11 months, sixty three (19.1%) of the subjects retired from their jobs, one third(36.7%) have teen hospitalized for the treatment of back pain. In two thirds(64.8%) of the cases pain was characterized as lower back pain. The average sleep hour was 6.8 hours per 24 hours and the average rest hour during the day was 3.3 hours. The mean percentage of pain measured by GRS was higher than that of KPRS. The level of sensory intensity as well as the affective level of pain measured by KPRS and GRS were not highly correlated (sensory intensity r=0.4986, affective r=0.5029) which indicated low discriminative power. On the other hand, intercorrelation between sensory and affective dimension measured by KPRS and GRS showed moderate interrelation(r=0.7247; r=0.7899). One-third(32.5%) of the subjects complied with the hospital prescribed treatment while the other one-third(31.5%) depended on self-remedy and traditional practices, and the last one-third did not imply any pain management practices. The following 6 pain-related behaviors such as length of hospitalization, rest hour during day hours, varieties of pain management practice implied, number of pain sites, need for ADL and discomfort accompanied by ADL revealed to be important indicators of back pain. An investigation of sociodemographic features of patients with back pain in a larger context, i.e. with bigger number of respondents is recommended. Tests for construct validity of KPRS, i.e. factor analysis is further recommended.

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Sensory and Anti-oxidative Properties of the Spice Combinations as Salty Taste Substitute (짠맛 대체용 향신료조합물의 관능특성 및 항산화 특성)

  • Shin, Myung-Gon;Lee, Gyu-Hee
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.39 no.3
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    • pp.428-434
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    • 2010
  • The spice combinations for substitute of salty taste were developed for reducing sodium intakes in home cooking. The seventeen materials, which have been known as remedy effects for hypertension, were collected and blended based on descriptive sensory evaluation and principal component analysis. Four types of spice combinations such as nutty, umami and salty, hot and sour, and multi attribute were developed as substitutes of salty taste. The developed spice combinations were applied to mackerel meat instead of salt. Consumer acceptance of mackerel meat with spice combinations was analyzed using hedonic nine point scale by 54 panelists. As the sensory evaluation results, the consumer acceptance value of the spice combinations for substitute of salty taste with hot and sour attribute was the highest value as 6.4, whereas that of the salt was 3.1. Also, the fish and rancid flavor were the lower values in the salt free spice blends than those of salt. The spice combinations for substitute of salty taste 5% and NaCl 1%, as a control, were spread on mackerel meat and incubated at $30^{\circ}C$ for 0, 24, and 48 hours. The TBA values of the spice combinations for substitute of salty taste were shown as a half and/or one third values of salt. As the result, the spice combinations for substitute of salty taste with reducing undesirable flavor could be used in home cooking instead of salt.

Effect of In Vitro Antioxidant Properties and Extract of Corn Husk on Serum Lipids in Mice (옥수수 껍질 분말의 In Vitro 에서의 항산화 특성과 고지방식이로 유도된 Mice의 혈청지질 수준에 미치는 영향)

  • Shin, Kyung-Ok;Kim, Yong-Hwan;Lee, Ki-Won;Choi, Kyung-Soon
    • Journal of the East Asian Society of Dietary Life
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    • v.25 no.2
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    • pp.261-269
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    • 2015
  • This study was performed to verify the effects of corn husk powder on serum lipid levels of high-fat diet-induced mice from a nutritional viewpoint. Powder of corn husks has been used as a folk remedy from ancient times in Korea. In the case of corn husk measurement of TPC (p<0.05), ABTS+ radical scavenging activity of trolox (p<0.05), DPPH radical scavenging activity (p<0.05), and measured value of FRAP (p<0.0001) were higher in ethanol extract than water extract. Weight of livers was significantly higher in the control group and high-fat diet group compared to groups fed 10% and 20% corn husk powders with high-fat diet (p<0.0001). For blood HDL-cholesterol concentration, mice fed 10% corn husk powder with high-fat diet ($160.00{\pm}16.17mg/dL$) showed significantly higher levels compared with the other three groups (p<0.05). Mice fed 10% and 20% corn husk powders with high-fat diet showed high numerical values of $13.50{\pm}2.51$ and $11.25{\pm}2.87mg/dL$, respectively. For triglyceride concentration in blood, mice fed 10% ($83.50{\pm}19.30mg/dL$) and 20% ($88.50{\pm}22.25$) corn husk powder with high-fat diet showed very low levels compared to the control group and high-fat diet group. In the case of leptin, the high-fat diet group showed a significantly high level of $5.88{\pm}3.53ng/dL$. Groups fed 10% and 20% corn husks with high-fat diet showed low numerical values of $2.72{\pm}2.34ng/dL$ and $1.10{\pm}0.62ng/dL$, respectively (p<0.05). Corn husk powder increased high HDL-cholesterol concentration in blood while lowering triglyceride concentration and leptin secretion. Therefore, powder of corn husks has utility in the food industry and food processing.

Penile Blood Change after Oral Medication of Korean Red Ginseng in Erectile Dysfunction Patients (발기부전환자에서 홍삼 복용후의 음경혈류와 발기력 변화)

  • Choi, Hyung-Ki;Choi, Yeong-Jin;Kim, Jang-Hwan
    • Journal of Ginseng Research
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    • v.27 no.4
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    • pp.165-170
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    • 2003
  • The clinical efficacies of Korean Red Ginseng for improving sexual function has been reported only by self-reporting questionnaires.AVS-Penogram is a method evaluating natural penile blood flow changes by Gamma-camera after intravenous injection of Techmetium 99$\^$m/-RBC and also stimulating by erotic video tape. To more objectively evaluate the efficacies of Korean Red Ginseng for erectile function, we applied AVS-Penogram as a objective diagnostic tool. AVS-Penogram studies were done in 28 patients with erectile dysfunction after administration of Red Ginseng(19) or placebo(9) group. The pattern of AVS-Penogram before medication were normal type in 4, impossible in 2, unstable in 20, delayed in 1, and mixed in 1. The unstable type were the most prevalent observed in 71.4% of all patients. The patterns of AVS-penogram were 2.2. 13.1 in Red Ginseng group, while in placebo group normal 2, unstable 7. After 4 weeks in Red Ginseng group, there were 3 cases of improved penogram findings, while only 1 in placebo group. There were no statistical significancies in the type of penogram changes on both group. But the maximum radioactivity were improved in 11 patients(57.9%) in Red Ginseng group, while 2(22.2%) in placebo group. There were statistical significancies in comparing the maximal radioactivity of penogram on both group. These AVS-Penogram findings shows, encouraging results of by increased penile blood flow Korean Red Ginseng our medication. Further study is more needed to reconfirm these results by more concentrated active formulations of sapanonin St other active ginsenosides. These promising results will lead to develop a new remedy for erectile dysfunction by Korean Red Ginseng

The Study on Tissue-Cultured Echinacea purpurea Adventitious Roots Extract for Application as a Cosmetic Ingredient (조직 배양한 에키네시아 추출물에 관한 효능 연구)

  • Park, Chang-Min;Joung, Min-Seok;Choi, Jong-Wan;Paek, Kee-Yoeup
    • Journal of the Society of Cosmetic Scientists of Korea
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    • v.34 no.2
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    • pp.137-142
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    • 2008
  • Echinacea purpurea, an indian traditional plant medicine has been widely used as herbal remedy for the treatment of disease such as colds or other infections. However, Echinacea purpurea extracts recently have been applied as a cosmetic ingredient for skin care. We artificially cultured Echinacea purpurea by using the bioreactor culture system for this study. We induced callus from Echinacea purpurea and separated adventitious roots, harvested and extracted after cultured in bioreactors. Previously, several studies have been reported on anti-oxidant and immuno-enhancing effects of Echinacea purpurea extract but other efficacies were not well known. In this study, we investigated the whitening, anti-wrinkle and anti-oxidant effects to know applicable value of tissue-cultured Echinacea purpurea adventitious roots extract(TCEPARE) as a cosmetic ingredient. TCEPARE did not show cytotoxicity until a concentration of 2% and showed the anti-oxidative effect in DPPH and NBT tests. Also, the extract decreased tyrosinase expression in a dose-dependent manner and inhibited melanin synthesis in B16 melanoma cells. TCEPARE reduced protein levels of MMP-1, 2 secreted in culture medium or in cell lysates. From these results we suggest that TCEPARE has potential benefits applicable as to cosmetic ingredient for skin care products.

A Comparative Study on the Theory of Lee jaema and Chang ts' ungcheng (이제마(李濟馬)와 장종정(張從正)의 학술사상(學術思想)에 대한 비교(比較) 연구(硏究))

  • Ch’ oi, yeikwen;Kim, kyungyo
    • Journal of Sasang Constitution and Immune Medicine
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    • v.8 no.2
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    • pp.41-68
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    • 1996
  • This thesis is a try for examining the historical characteristics of Constiutional medicine. For this purpose, I have examined their theory, and made a comparison carefully. Through this study, I have obtained several results as following. Both Chang and Lee lived in the time of change, which was unstable and uncertain. Under the condition, they both rejected following the existing trends of learned circles, and developed new thoughts and clinical techniques. They rejected superstitious beliefs and fatalism, and conducted the pursuit of experimental knowledge and rationale idea. Clinical experience was the very base of their study. They both criticized the bad habits of abuse of tonifing medication and health seeking. Especially Lee regarded control of emotion and regulation of a way of life as the best way for preservation of one's health. Chang regarded pathogenic factors as the ultimate factor of diseases, and strived for eliminating pathogenic factors, but L brought to a conclusion that the final factor of diseases was what is called "heart" itself, and emotional changes were the most essential causes of disease. It can be said that the pathogenesis insisted by Chang can be called The insistence that pathologic factors are the very etiology of all the disease (邪氣致病論), or all the diseases result from pathologic factors. And his whole remedy can be summarized as following, A study on the method of eliminating pathogenic factors. But the purpose of Constitutional medicine is to correct imbalance intrinsic to one's internal organs. In this aspect, Constitutional medicine is a "regulatory medicine". Depending on the classification of six vital substances, Chang classified all disease into six categories. These were based on symptoms and sings represented. While classification of diseases made by Lee was likely to rely upon constitutional characteristics. Chang thought that the three remedies made up of perspiration, purgation, vomiting were the most efficient way of eliminating pathogenic factors. Lee, however, thought those weren't methods of eliminating pathogenic factors but the best ways restoring one's self-regulation power. Chang thought that all the febrile disease essentially has a tendency in properties to belong to "heat", but Lee pointed out that pathologic processes are variable in accordance with constitutional features. They both regarded pathogenesis of diabetes as fire. That is to say, fire is the most essential factor of diabetes. And there are many risk factors such as inappropriate foods, drugs, climate, etc., but Lee thought what is most important is heart. Putting all accounts together, medical characteristics of Chang are similar to those of T aiyinjen and Shaoyangjen, and have no relation to those of those of Shaoyinjen. Therefore we can conclude that Chang understood pathologic processes of disease of T aiyinjen and Shaoyangjen, whether he knew about constitutional features or not.

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