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류정화(Jeong Wha Ryu),서성훈(Seong Hoon Seo),정성현(Sung Hyun Chung) 대한약학회 1998 약학회지 Vol.42 No.6
Antidiabetic activity of Mori folium ethanol soluble fraction (MFESF) was examined in db/db mice, which is a spontaneously hyperglycemic, hyperinsulinemic and obese animal model. 500 and 1000mg/kg dose for MFFSF (designated by SY 500 and SY 1000, respectively) and 5mg/kg dose for acarbose were administered for 6 weeks. Body weight gain, fasting and non-fasting serum glucose, glycated hemoglobin and triglyceride were all reduced dose dependently when compared between db/db control group and MFESF treated group. At 11th and 13th week after birth, MFESF increased an insulin secretion which may result in lowering serum glucose level. Total activities of sucrase and maltase in SY 500 treated group were decreased when compared to db/db control. On the other hand, those in SY 1000 and acarbose treated groups were increased. This result may suggest that proteins for sucrase and maltase were compensatorily induced due to significant inhibition of glycosidase-catalyzed reaction at doses administered in this study.
족저부 통증 및 비증을 호소하는 측만증 동반 환자에게 족부 보조기와 추나 치료를 포함한 한의학적 치료를 병행한 증례보고
이현호(Hyun-Ho Lee),정성현(Seong-Hyun Jeong),최지훈(Ji-Hoon Choi),이기언(Gi-Eon Lee),조경상(Kyung-Sang Jo)변다영(Da-Young Byun) 척추신경추나의학회 2017 척추신경추나의학회지 Vol.12 No.2
Objectives : The purpose of this study is to report the effect of foot orthosis and Korean Medicine therapy including Chuna on symptom that accompany scoliosis by observing one clinical case study. Methods : One patient suffer sole pain and numbness that accompany scoliosis who received outpatient treatment was investigated for the changes in numerical rating scale(NRS), pelvic height and pelvic angle. Pelvic height and angle were checked by using Whole spine X-ray. During outpatient treatment, patient treated by foot orthosis and Korean Medicine therapy including Chuna. Results : After 7 times treatment, NRS showed a remarkable difference, which decreased from 7 to 1. Pelvic height decreased from 11.16mm to 8.58mm and pelvic angle decreased from 5.03°to 3.16°. They showed a slight difference. Conclusions : Foot orthosis and Korean Medicine therapy including Chuna might be effective in the patient that showed symptoms which is caused by scoliosis.
상엽 에탄올가용분획의 글루코스전달체, acetyl-CoA 카복시라제 및 렙틴 mRNA 발현에 미치는 영향
류정화(Jeong Wha Ryu),육창수(Chang Soo Yook),정성현(Sung Hyun Chung) 대한약학회 1998 약학회지 Vol.42 No.6
Effects of Mori Folium Ethanol Soluble Fraction (MFESF) on mRNA expression of glucose transporters, acetyl-CoA carboxylase (ACC) and leptin were examined in db/db mice. 500 and 1000mg/kg dose for MFESF (designated by SY 500 and SY 1000, respectively) and 5mg/kg dose for acarbose were administered for 6 weeks. Quantitations of glucose transporters (GLUT-2 and GLUT-4), ACC and leptin mRNA were performed by RT-PCR and in vitro transcription with co-amplification of rat beta-actin gene as an internal standard. Muscular GLUT-4 mRNA expression in MFESF-treated groups were increased dose dependently. On the other hand, MFESF caused the GLLT-4 and leptin mRNA expressions in adipose tissue to decrease dose dependently, which means that triglyceride synthesis in adipocytes might be decreased and consequently signals adipocytes to inhibit the synthesis and release of leptin. Hepatic ACC mRNA expression in MFESF-treated groups was also decreased. and this may result in lowering of serum triiglyceride level. In contrast, liver GLUT-2 mRNA expressions in MFESF-treated and acarbose groups were increased. Higher rate of glucose uptake into hepatocytes is known to inhibit a phosphoenolpyruvate carboxykinase (PEPCK)-catalyzed reaction, which is a rate-limiting step in gluconeogenesis.
생활체육 수영참가자의 재미요인과 운동몰입, 운동지속과의 관계
박정호(Park, Jeong-Ho),정성현(Jeong, Sung-Hyun) 한국사회체육학회 2015 한국사회체육학회지 Vol.0 No.59
Sports for swimming fun factor and target participants in the exercise commitment, the study variables between the study and the characteristics of the movement lasts descriptive statistics, factor analysis, correlation analysis and structural equation modeling analysis, this study analyzed through the latent mean analysis when these results were as follows. First, the interest of swimming exercise participants, health, social, recognition was found to be static variables that affect the exercise commitment. Second, the interest of the swimming event participants, health recognition was found to be static variables that affect the movement continues. Third, exercise commitment of swimming exercise showed that participants do not have a statistically significant effect on exercise adherence. Fourth, women are interested than men, health, commitment, and the effect size was higher in exercise adherence. Finally, depending on the factors involved an interesting exercise for one year or less participants than 1- 2 years, showed that the participants over two years high, more than two years rather than 1-2 years was higher than participants. Healthy participants were 1-2 years higher than that participants in less than one year. Sixth, was born in the commitment of participants according to the age of 40 than under the age of 40 to 60 years old participated were higher, interests, health, commitment, lasting 60 years or older participants was higher than at 40 years of age or younger participants. In addition, more than 60 participants from the effect size for all variables showed that greater than 40 to 60 year-old participants.
개수로 흐름에서 난류가 관성입자의 침강속도에 미치는 영향에 대한 실험연구
백승준,박용성,정성현,서일원,정원,Baek, Seungjun,Park, Yong Sung,Jung, Sung Hyun,Seo, Il Won,Jeong, Won 한국수자원학회 2022 한국수자원학회논문집 Vol.55 No.11
Existing particle tracking models predict vertical displacement of particles based on the terminal settling velocity in the stagnant water. However, experimental results of the present study confirmed that the settling velocity of particles is influenced by the turbulence effects in turbulent flow, consistent with the previous studies. The settling velocity of particles and turbulent characteristics were measured by using PTV and PIV methods, respectively, in order to establish relationship between the particle settling velocity and the ambient turbulence. It was observed that the settling velocity increase rate starts to grow when the particle diameter is of the same order as Kolmogorov length scale. Compared with the previous studies, the present study shows that the graphs of the settling velocity increase rate according to the Stokes number have concave shapes for each particle density. In conclusion, since the settling velocity in the natural flow is faster than in the stagnant water, the existing particle tracking model may estimate a relatively long time for particles to reach the river bed. Therefore, the results of the present study can help improve the performance of particle tracking models.
제 4∼5번 요추 추간판 탈출 정도와 요통의 한의학적 치료 효과의 상관성 연구
유형진 ( Hyung Jin Yoo ),이현호 ( Hyun Ho Lee ),정성현 ( Seong Hyun Jeong ),조경상 ( Kyeong Sang Jo ),이기언 ( Gie On Lee ),이동현 ( Dong Hyun Lee ),김상민 ( Sang Min Kim ) 한방재활의학과학회 2016 한방재활의학과학회지 Vol.26 No.2
Objectives The purpose of this study was to compare the effects between the degree of herniated intervertebral lumbar disc (HIVD) at L4-5 level and improvement of low back pain treated by Korean Medicine therapy. Methods 567 patients who received inpatient treatment from May 2014 to December 2015 in the Daejeon-Jaseng of Korean Medicine Hospital were divided into 6 groups by the degree of HIVD at L4-5 level confirmed with a Lumbar spine magnetic resonance imaging. All patients received a combination of treatment including acupunture, chuna manual therapy, pharmacopunture, herbal medication. They were compared and analyzed on the basis of improvement between measuring Numeric Rating Scale (NRS), Oswestry Disability Index (ODI), EuroQol-5 Dimension Index (EQ5D Index) as they were hospitalized and as they were discharged. The statistically significance was evaluated by SPSS 23.0 for windows. Results After treatment, Normal stage on Intervertebral Lumbar Disc at L4-5 level group`s Numeric Rating Scale (NRS), Oswestry Disability Index (ODI), EuroQol-5 Dimension Index (EQ5D Index) improvement was 1.30±1.62, 4.52±11.82 and 0.04±0.11 respectively. Bulging group`s improvement was 3.25±2.81, 8.28±13.02 and 0.09±0.17 respectively. Spinal canal occupying ratio (SOR) less than 20 group`s improvement was 2.15±1.92, 11.79±17.81 and 0.13±0.23 respectively. SOR 20 to less than 40 stage group`s improvement was 2.13±1.92. 10.79±15.93 and 0.10±0.26 respectively. SOR 40 to less than 60 group`s improvement was 2.16±2.24, 9.80±16.62 and 0.15±0.25 respectively. Surgery group`s improvement was 2.47±2.21, 11.64±18.53 and 0.15±0.27 respectively (p< 0.03). But there was no statistically significance between 6 group`s improvement after treatment (p>0.05). Conclusions After inpatient treatment by Korean Medicine therapy, Most patient`s pain, disability and Health Related Quality of Life was improved significantly. But there was no statistically correlation between the degree of HIVD at L4-5 level and improvement of low back pain. So We think that future research of higher quality and correct statistics shall be necessary. (J Korean Med Rehab 2016;26(2):105-121)