Han, Kyungsun;Wang, Jinghwa;Lim, Dongwoo;Chin, Young-Won;Choi, Young Hee;Choi, Han-Seok;Lee, Myeong-Jong;Kim, Hojun
Journal of Korean Medicine for Obesity Research
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v.14
no.2
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pp.47-54
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2014
Objectives: This study is to confirm the effect of combined extract and individual extract of Samjunghwan (SJH) in anti-oxidative and anti-obesity effect. Methods: Combined ethanol extract of readily made SJH and individual ethanol extract of Atractylodes japonica, Cortex lycii radicis, and Morus alba Linne was combined after the extraction. To evaluate the anti-oxidative effect of SJH, total phenol compound and 2,2-Diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging ability were conducted. Real-time quantitative-polymerase chain reaction analysis of transcription factor peroxisome proliferator-activated receptror ${\gamma}$ ($PPAR{\gamma}$), adenosine monophosphate-activated protein kinase (AMPK)-${\alpha}1$, tumor necrosis factor-${\alpha}$ ($TNF{\alpha}$) and 3-hydroxy-3-methylglutaryl CoA reducatase (HMG-CoA reductase) were done with 3T3-L1 cells to investigate the ant-obesity effect. Also, cell viability analysis were done to see to toxicity of SJH. Results: Individual extract of SJH showed significant decrease in $TNF{\alpha}$ and AMPK transcription while $PPAR{\gamma}$ showed significant increase. Combined extract and individual extract of SJH both showed decrease in HMG-CoA reductase. DPPH free radical scavenging ability and total phenol compound was analogous between two groups. Conclusions: Individual extract of SJH appears to be more effective in anti-oxidation and anti-obesity effect compared to combined extract of SJH.
Belaid, A;Nasr, C;Benna, M;Cherif, A;Jmour, O;Bouguila, H;Benna, F
Asian Pacific Journal of Cancer Prevention
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v.17
no.7
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pp.3643-3646
/
2016
Management of eyelid cancers is based on surgery and/or radiotherapy (RT). The treatment objective is to control tumors with acceptable functional and esthetic outcomes. The aim of this study was to evaluate the results of radiation therapy in management of epithelial eyelid cancers, reviewing retrospectively the clinical records of patients treated in our institution from January 1989 to December 2013. We focused on clinical and histological features, treatment characteristics, tolerance and disease control. One hundred and eight patients (62 men and 46 women) were enrolled, with a mean age of 61 years [ranges 15-87]. The most frequent tumor location was the inner canthus (42.6%). Median tumor size was 21 mm [ranges 4-70]. Histological type was basal cell carcinoma in 88 cases (81.5%), squamous cell carcinoma in 16 (14.8%) and sebaceous carcinoma in 4 (3.7%). Radiation therapy was exclusive in 67 cases (62%) and post-operative for positive or close margins in the remaining cases. Kilovoltage external beam radiotherapy (KVRT) was used in 63 patients (58.3%) and low-dose-rate interstitial brachytherapy in 37 (34.3%). Eight (7.4%) were treated with cobalt or with a combination of KVRT-cobalt, KVRT-electron beams, KVRT-brachytherapy or cobalt-electron beams. The total delivered radiation doses were 70 Gy (2 Gy/fraction) in 62 patients (57.4%), 66 Gy (2 Gy/fraction) in 37 (34.3%) and 61.2 Gy (3.4Gy/fraction) in 9 (8.3%). After a median follow-up of 64 months, we noted 10 cases of local recurrences(9.2%): 7 after exclusive and 3 after post-operative RT. No local recurrence occurred in patients treated with brachytherapy. Actuarial 5-year local recurrence-free rate, disease-free survival and overall survival were respectively 90%, 90% and 97%. T-stage was found to be a significant factor for recurrence (p=0.047). All acute radiation-related reactions were scored grade I or II. Delayed effects were eye watering in 24 cases (22.2%), eye dryness in 19 (17.6%), unilateral cataract in 7 (6.4%) and ectropion in 4 (3.7%). Radiation therapy and especially brachytherapy is an efficient treatment of eyelid cancers, allowing eye conservation and functional preservation with good local control rates and acceptable toxicity.
Arab, Sanaa.T.;Emran, Khadijah.M.;Al-Turaif, Hamad A.
Journal of the Korean Chemical Society
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v.56
no.4
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pp.448-458
/
2012
In order to develop alloy resistance in aggressive sulphat ion, the corrosion behavior of metallic glasses $Ni_{92{\cdot}3}Si_{4.5}B_{32}$, $Ni_{82,3}Cr_7Fe_3Si_{4.5}B_{3.2}$ and $Ni_{75.5}Cr_{13}Fe_{4.2}Si_{4.5}B_{2.8}$ (at %) at different concentrations of $H_2SO_4$ solutions was examined by electrochemical methods and Scanning Electron Microscope (SEM) and X-ray Photoelectron Microscopy (XPS) analyses. The corrosion kinetics and passivation behavior was studied. A direct proportion was observed between the corrosion rate and acid concentration in the case of $Ni_{92{\cdot}3}Si_{4.5}B_{32}$ and $Ni_{75.5}Cr_{13}Fe_{4.2}Si_{4.5}B_{2.8}$ alloys. Critical concentration was observed in the case of $Ni_{82,3}Cr_7Fe_3Si_{4.5}B_{3.2}$ alloy. The influence of the alloying element is reflected in the increasing resistance of the protective film. XPS analysis confirms that the protection film on the $Ni_{92{\cdot}3}Si_{4.5}B_{32}$ alloy was NiS which is less protective than that formed on Cr containing alloys. The corrosion rate of $Ni_{82,3}Cr_7Fe_3Si_{4.5}B_{3.2}$ and $Ni_{75.5}Cr_{13}Fe_{4.2}Si_{4.5}B_{2.8}$. alloys containing 7% and 13% Cr are $7.90-26.1{\times}10^{-3}$ mm/y which is lower about 43-54 times of the alloy $Ni_{92{\cdot}3}Si_{4.5}B_{32}$ (free of Cr). The high resistance of $Ni_{75.5}Cr_{13}Fe_{4.2}Si_{4.5}B_{2.8}$ alloy at the very aggressive media may due to thicker passive film of $Cr_2O_3$ which hydrated to hydrated chromium oxyhydroxide.
Mun, Yeung Chul;Park, Hye Jung;Shin, Kyeong Cheol;Chung, Jin Hong;Lee, Kwan Ho
Tuberculosis and Respiratory Diseases
/
v.52
no.4
/
pp.346-354
/
2002
Background : Dyspnea and a limitation in exercise performance are important cause of disability in patients with chronic obstructive pulmonary disease(COPD). A depleted nutritional state is a common problem in patients with a severe degree of chronic airflow limitation. This study was carried out to assess the factors determining the maximum exercise capacity in patients with COPD. Methods : The resting pulmonary function, nutritional status, and maximum exercise performance was assessed in 83 stable patients with moderate to severe COPD. The nutritional status was evaluated by bioelectrical impedance analysis. Maximum exercise performance was evaluated by maximum oxygen uptake($VO_2max$). Results : Among the 83 patients, 59% were characterized by nutritional depletion. In the depleted group, a significantly lower peak expiratory flow rate(p<0.05), Kco(p<0.01) and maximum inspiratory pressure(p<0.05), but a significantly higher airway resistance(p<0.05) was observed. The maximum oxygen uptake and the peak oxygen pulse were lower in the depleted group. The $VO_2max$ correlated with some of the measures of the body composition : fat-free mass(FFM), fat mass(FM), body mass index(BMI), intracellular water index(ICW index), and pulmonary function : forced vital capacity(FVC), forced inspiratory vital capacity(FIVC), diffusion capacity(DLCO) : or maximum respiratory pressure : maximum inspiratory pressure(PImax), maximum expiratory pressure(PEmax). Stepwise regression analysis demonstrated that the FFM, DLCO and FIVC accounted for 68.8% of the variation in the $VO_2max$. Conclusion : The depletion of the FFM is significant factor for predicting the maximum exercise performance in patients with moderate to severe COPD.
The purposes of this study are to develop scientific-inquiry based on STEAM education program and to investigate the effects of the program on middle-school students' interests, self-efficacy, and career choice about science, technology/engineering, and mathematics. In order to develop this program, the literature investigation and previous studies were conducted, so that finally the developmental direction was based on scientific inquiry and the developmental theme and model were selected. A total 92 first-graders in G middle-school of Daegu city were participated in this study. A single group pre-post test paired t-test was conducted to figure out changes of students' interest, self-efficacy, and career choices before or after applying this program. In addition, in-depth interviews were conducted with 14 students to find their specific responses. The results of this study were as follows. First, STEAM education program on the theme of 'RC Airplane' was developed on the basis of the 'ADBA' model. Second, the developed STEAM educational program not only results a decisive difference statistically but also has significant effects on middle-school students' interests, self-efficacy, and career choice in science, technology/engineering, and mathematics, who are involved in the free-semester program, across the overall affective domain. In conclusion, the STEAM educational program in this study could affect significant meanings to middle-school students during the free-semester. It could contribute to facilitate middle-school students' education for happiness and to grow the creative STEAM talents.
The Journal of Korean Society for Radiation Therapy
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v.24
no.2
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pp.167-174
/
2012
Purpose: The respiration is one of the most important factors in respiratory gating radiation therapy (RGRT). We have developed an unique respiratory guidance system using an audio-visual system in order to support and stabilize individual patient's respiration and evaluated the usefulness of this system. Materials and Methods: Seven patients received the RGRT at our clinic from June 2011 to April 2012. After breathing exercise with the audio-visual system, we measured their spontaneous respiration and their respiration with the audio-visual system respectively. With the measured data, we yielded standard deviations by the superficial contents of respiratory cycles and functions, and analyzed them to examine changes in their breathing before and after the therapy. Results: The PTP (peak to peak) of the standard deviations of the free breathing, the audio guidance system, and the respiratory guidance system were 0.343, 0.148, and 0.078 respectively. The respiratory cycles were 0.645, 0.345, and 0.171 respectively and the superficial contents of the respiratory functions were 2.591, 1.008, and 0.877 respectively. The average values of the differences in the standard deviations among the whole patients at the CT room and therapy room were 0.425 for the PTP, 1.566 for the respiratory cycles, and 3.671 for the respiratory superficial contents. As for the standard deviations before and after the application of the PTP respiratory guidance system, that of the PTP was 0.265, that of the respiratory cycles was 0.474, and that of the respiratory superficial contents. The results of t-test of the values before and after free breathing and the audio-visual guidance system showed that the P-value of the PTP was 0.035, that of the cycles 0.009, and that of the respiratory superficial contents 0.010. Conclusion: The respiratory control could be one of the most important factors in the RGRT which determines the success or failure of a treatment. We were able to get more stable breathing with the audio-visual respiratory guidance system than free breathing or breathing with auditory guidance alone. In particular, the above system was excellent at the reproduction of respiratory cycles in care units. Such a system enables to reduce time due to unstable breathing and to perform more precise and detailed treatment.
A polymorphism was found in the promoter region of porcine adipocyte fatty acid binding protein gene(A-FABP) gene which plays a key role in the binding and transportation of free fatty acid in adipocyte and deposition of intramuscular fat. Mutation was detected a substitution(T406C) using SSCP analysis and subsequently confirmed by sequencing the fragment in Duroc pigs. This T-406C mutation might change the binding activity for transcription factor nuclear factor 1(NF1). In this population, this mutation was genotyped using HinfⅠRFLP, and found three kinds of genotypes(TT, TC, and CC) showing their frequencies of 42.3, 44.3, and 13.4%, respectively. We statistically analyzed the association between the A-FABP genotypes and growth traits and found that the body weights of the pigs containing 406C/(TC or CC) were heavier for the body weight at the age of 20 weeks than those containing genotype TT(P<0.05), but not for those at the age of 0, 3, and 10 weeks. Pigs containing genotype CC had also a higher value for the average daily gain and lower values for the date for 90kg of body weight and food conversion ratio than those of 406T/- genotype. In addition, without the significant difference of back fat thickness, there was a significant association between the existence of allele CC and lean meat and eye muscle area(P<0.05). As a result of this study, we suggest that the allele T406C in the promoter region of A-FABP gene play an important role in deposition of intramuscular fat and weight in the later growth period. This polymorphism will be an useful molecular marker for breeding of Duroc pigs.
Journal of The Korean Society of Grassland and Forage Science
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v.23
no.4
/
pp.247-254
/
2003
A study was carried to compare two varieties of tall fescue(Festuca arundinacea Schr.): Fawn (endophyte infection) and Roa(endophyte-free). The study examined plant height, botanical composition, and dry matter yield of mixed pasture. The cattle grazed on a mixed pasture of tall fescue species and orchardgrass(Dactylis glomerata L.), perennial ryegrass(Lolium perenne L.) and white clover(Trifolium repens L.) during March 22, 1997, to September 21, 1997. The number of grazing animals was 4.3/ paddock(50m x50m) and was adjusted according to the condition of pasture. Dry matter yields determined on ungrazed pasture(7-time harvests) were 1,690 $\pm$407kg and 1,128 $\pm$ 238kg/ha on pastures consisting of Fawn and Roa, respectively. This difference was significant(P<0.01). There were 17.71 $\pm$ 1.27cm and 12.83$\pm$0.90cm in average plant lengths of Fawn and Roa(P<0.01), respectively The botanical composition of tall fescue and orchardgrass in the mixture treatment included in the Fawn variety were shown in 34.2 and 3.8%, comparing Roa with 17.1 and 9.6%, on the 21th of September, 1997, respectively. Tall fescue Roa represented a higher botanical composition than orchardgrass(a main species on Cheju). Crude protein content of Fawn was slightly less than that of Roa. From these results, we may conclude that Roa variety is nutritionally better, but is less adaptible to high temperature climate than Fawn. However, Roa variety is still better than orchardgrass in high temperature conditions.
Purpose: To review clinical characteristics, treatment outcomes and prognostic factors in patients with parotid gland tumors treated with surgery and postoperative radiotherapy. Materials and Methods: We retrospectively reviewed 69 patients with parotid gland tumors, with a median follow-up of 52 months (range, 2-228 months). and a median radiotherapy dose of 60Gy (range, 30-69 Gy). Results: There were 24 (35%) females and 45 (65%) males, at a ratio of 1/1.9. Median age at presentation was $58.9{\pm}17.2$ (range 13-88) years. The most common histology was adenoid cystic carcinoma (33%) and mucoepidermoid carcinoma (28%). The mean overall survival (OS) was $65.3{\pm}8$ (95% confidence interval [CI], 49.6-81.1) months and the median overall survival was $40.0{\pm}7$ (95% CI, 26.2-53.7) months. The -1, -3, -5 and -10 year OS rates were 78%, 52.4%, 35.3% and 19.6% respectively. The mean disease free survival (DFS) was $79.2{\pm}10$ (95% CI, 59.3-97.1) months and the median disease free survival was $38{\pm}13$ (95% CI, 7.05-88.7) months. The -1,-3,-5 and -10 year DFS rates were 71.9%, 50.1%, 43.7% and 30.1% respectively. On univariate analysis, the OS was significantly better with female sex (p<0.005), < 50 age (p<0.021), T stage (p<0.0001), absence of lymph node involvement (p<0.0001), lower tumor grade (p<0.0001), absence of lymphovascular invasion (p<0.002), absence of perineural invasion (p<0.0001), absence of extracapsuler extension (p<0.0001), surgical margin negativity (p<0.006), ${\leq}60Gy$ radiotherapy dose (p<0.0001) and absence of distant metastasis (p<0.027). Conclusions: Employing existing standards of postoperative radiotherapy is a possible treatment that was found to be mainly effective in patients with parotid gland carcinomas.
Purpose: Gastric cancer with lymph node metastasis (LNM) more than 15 (N3b) was defined as stage IV until the 6th AJCC system. However, it has been reclassified as a localized disease (stage IIb or III) since the 7th system. The aim of this study is to demonstrate that the survival of N3b is comparable to cytology-only positive (CY1-only) stage IV and to propose a new TNM system interpreting N3b as an eligibility criterion for receiving more intensive chemotherapy regimens. Materials and Methods: 1,430 patients who underwent gastric cancer surgery at Seoul National University Hospital from 2007 to 2012 were retrospectively analyzed. The 5-year survival rate (5YSR) and 3-year recurrence-free survival (RFS) were evaluated according to the 7th and 8th systems, as well as a new categorization based on N-classification; N0-2 (LNM<7), N3a (LNM 7-15), or N3b (LNM>15). Results: The survival of N3b is comparable to that of CY1-only stage IV (log rank test, P=0.671) and is distinct from that of grossly stage IV (log rank test, P<0.001). The survival of the remaining stage IIIc (T4bN3a) was comparable to those of N3b and CY1-only stage IV. Most N3b patients had significantly shorter 3-year RFS and mean RFS than those with IIb-IIIc, as if N3b itself was a higher TNM stage. Conclusions: In terms of survival, T4bN3a, N3b, and CY1-only stage IV were unified as stage IVa, while grossly stage IV was defined as stage IVb. N3b can be regarded as an eligibility criterion for undergoing more intensive chemotherapy regimens.
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