Objectives : The purpose of this study was to determine the anti-obesity effect and molecular mechanism of YY312, a herbal extract composed of Imperatae Rhizoma, Citri Unshius Pericarpium Immaturus, and Evodiae Fructus, on a high-fat diet-induced animal model and on 3T3-L1 cells. Methods : C57BL/6 mice were fed for 6 weeks with a normal diet or a high-fat diet (HFD). Then they orally administered daily with 300 mg/kg YY312 for next 10 weeks. Body weight and food consumption were recorded weekly and daily, respectively. Tissue weights, serum lipid, and glucose levels were analyzed at the end of the study. Additionally, the effects of YY312 on adipocyte differentiation in 3T3-L1 cells were examined. After differentiating 3T3-L1 cells were treated with YY312, Oil-red O staining, RT-PCR, and Western blotting were performed for lipid accumulation, mRNA expression of adipogenesis gene, and AMP-activated protein kinase (AMPK) phosphorylation, respectively. Results : YY312-administered mice showed a significant reduction of body weights and abdominal adipose tissue weights. YY312 also reduced the serum levels of triglycerides and total cholesterol, compared with the HFD group. Treatment with YY312 inhibited lipid accumulation and blocked expression of adipogenic transcription factors and lipogenesis genes, including peroxisome proliferator-activated receptor ${\gamma}$, CCAT/enhancer binding protein ${\alpha}$ and fatty acid synthase. YY312 increased AMPK phosphorylation in 3T3-L1 adipocytes. Conclusions : This study showed that herbal extract YY312 has an anti-obesity effect in vitro and in vivo. Thus, YY312 could be developed as a supplement for reduction of body weight gain induced by an HFD.
Unlike previous studies, this study looked at the effect of the ideological tendencies of local government heads on the social welfare budget as a longitudinal study. This study was made possible by the election of the head of a progressive group in Gumi-si, a stronghold of conservatives, after the implementation of the local self-government system. Therefore, in this study, the change process of the political ideological orientation of Gumi-si's heads and the social welfare budget by year were listed and time-series analysis was conducted using actual cases of Gumi-si, Gyeongbuk for more than 12 years. As a result of the analysis, first, as in the cross-sectional analysis, in the longitudinal study, the change in the rate of increase in the social welfare budget according to the political ideological tendencies of the head of the local government showed a meaningful difference. Second, as in the previous cross-sectional analysis, the social welfare budget increased in the year before the election. Third, the same change in the growth rate as in the second did not appear at the end of the third elected term. All studies on the relationship between the political ideological tendencies of local government heads (including local councils) and the social welfare budget have been cross-sectional. However, this study has great implications in terms of the results of the first longitudinal cross-sectional analysis.
Purpose : To investigate ultrastructural changes of the mouse lung induced by whole lung gamma irradiation and to evaluate the effect of prophylactic administration of steroid against acute lung injury. Materials and Methods :. One hundred and twenty ICR mice were used and whole lung was irradiated with telecobalt machine. Whole lung doses were 8 and 12Gy, and 10mg of methyl prednisolone was administrated intraperitoneally for two and four weeks. At the end of the observation period, mice were sacrificed by cervical dislocation. The lungs were removed and fixed inflated. Histopathological examination of acute radiation injuries were Performed by light microscopic and transmission electron microscopic examination. Results : Control group with BGy is characterized by damage to the type I Pneumocyte and the endothelial cell of the capillary. edema of alveolar wall and interstitium. and fibroblast proliferation. Control group with 120y is characterized by more severe degree of type 1 pneumocyte damage and more prominant inflammatory cell infiltration. Destructed cell debris within the alveolar space were also noted After steroid administration, 8Gy experimental group showed decreased degree of inflammatory reactions but fibroblast proliferation and basal lamina damages were unchanged. Experimental group with 12Gy showed lesser degree of inflammatory reactions similar to changes of 8Gy experimental group. Conclusion : These studies suggest that the degree of interstitial edema and inflammatory changes were related to radiation dose but Proliferation of the fibroblast and structural changes of basal lamina were not related to radialion dose. Experimental administration of steroid for 2 to 4 weeks after whole lung irradiation suggest that steroid can suppress alveolar and endothelial damages induced by whole lung irradiation but Proliferation of the fibroblast and structural changes of basal lamina were not related to administration of steroid.
Two experiments were conducted to investigate the influence of dietary supplementation of yeast culture on the nutrient digestibility, performance and meat quality in growing-finishing pigs. Corn-soy basal diets contained 20, 18, and 16% CP and 3,265kcal/kg ME at different growth stages. One hundred and twenty pigs(8wk-old) were allocated into four supplementation levels of yest culture (0, 0.1, 0.2, 0.4%) in Expt 1. Weight gain, feed intake and feed efficiency were periodically recorded for 112 days. A metabolic feeding trial was conducted to measure the nutrient digestibility. Physical and chemical characteristics of the Longissimus Dorsi muscle(LM) from the pigs were measured at the end of experiment (Expt 2). In Expt 1, weight gain and feed efficiency were not different among the dietary treatment groups during the overall period. The digestibilities of protein and fiber were greater in 0.1% and 0.2% yeast culture-supplemented groups than in control (P<0.05). However, fat and ash digestibilities were not improved by the dietary treatment. In Expt 2, the LM protein content in 0.1% yeast culture-supplemented group, but not in 0.2% or 0.4%-supplemented group, was greater than that in the control group (P<0.05). The LM pH, purge loss, cooking loss and color were not affected by the dietary treatment. The LM shearing force was less in 0.2% yeast culture-supplemented group than in the control group (P<0.05). Other LM physicochemical properties did not differ between the dietary treatment groups. Total saturated and unsaturated fatty acids percentages and total cholesterol content of the LM did not differ across the dietary treatment groups.
Background and Purpose:Nausea, vomiting and weight loss are common problems that are encountered in the course of cancer patient treatment who are receiving radiotherapy. In this study, we are aiming to analyze the effect of megestrol acetate on quality of life of head and neck cancer patients receiving radiotherapy, resulting from improvement of weight loss, appetite and nutritional status via multicenter, open-labeled, observational clinical trial. Material and Methods:A total of 270 patients from 10 medical institutes who are receiving radiotherapy or who have completed radiotherapy within 3 months, between February 2007 and February 2008, were selected as candidates for the study. Megestrol acetate suspension(megace) was given to the subjectives once a week for 4 weeks with the amount of 20ml(megestrol 800mg). Measurement of weight and questionnaire surveys were carried out three times: at the start of the study, 4 weeks after the start of the medication, and 4 weeks after the end of the medication, respectively. Results:The group who has received megace had a total number of 199, and control group was 70. The group who have received megace showed mean weight loss of 1kg in 8 weeks, compared with the weight loss of 5.5kg in control group, which showed that the medication was effective in reducing the amount of weight loss(P=0.027). The group who received megace had a tendency to report a reduced rate of decrease in the score of appetite, nausea and vomiting, and QOL score, but it did not have statistical significance(P>0.05). Conclusion:Megestrol acetate have reduced the degree of weight loss significantly, and it has a tendency to reduce the rate of decrease in appetite, aggravation of nausea and vomiting, and quality of life.
The authors intended to investigate personality characteristics and those influence on the outcome of cognitive behavioral therapy in patients with panic disorder. 167 patients who met DSM-IV criteria for panic disorder were assessed by the PDQ-R(Personality Disorder Questionnaire-Revision) and various self-report tools for assessing symptoms of panic disorder. The effect of therapy was measured by the changes of scores and the end state functioning before and after 12-sessions of CBT. The patients with panic disorder were more likely showed obsessive-compulsive, avoidant and paranoid personality disorder and also Cluster C. If is needed when patients were divided into two groups according to total scores of PDQ-R(high or low personality disorder groups), high personality disorder group showed many evidences for increased psychopathology at the start of treatments, this suggested the close linkage between panic disorder and personality disorder. Interestingly, there were no significant differences between both groups in scores of clinical variables and the end state functioning. In conclusion, although patients with high tendency of personality disorder had more generalized problems at the beginning of treatments, they could improve as much as the patients with low tendency of personality disorder. They can be helped by cognitive behavioral therapy for panic disorder and seem to profit as much as patients with low tendency of personality disorder. If is needed to seek other factors in poor responders for cognitive behavioral therapy.
In former times the protection of our environment didn't play an important role due to the fact that emissions and effluents were not considered as serious impacts. However, opinions and scientific measurements meanwhile confirmed that the impacts are more serious than expected. Thus measures to protect our earth has to be taken into consideration. A part of these measures in the Environmental Impact Assessment (EIA). One of the most important parts of the EIA is the collection of basic datas and the following evaluation. Experience out of the daily business of Gerling Consulting Group shows that the content of the EIA has to be revised and enlarged in certain fields. The historical development demonstrated that in areas in which the population and the industrial activities reached high concentration there is a high necessity to develop strict environmental laws and regulations. Maximum values of the concentration of hazardous materials were fixed concerning the emission into and water. Companies not following these regulations were punished. The total amount of environmental offences increased rapidly during the last decade, at least in Germany. During this development the public consciousness concerning environmental affairs increased as well in the industrialized countries. But it could clearly be seen that the development in the field of environmental protection went into the wrong direction. The technologies to protect the environment became more and more sophisticated and terms as: "state of the art" guided more and more to lower emissions, Filtertechnologies and wastewater treatment for example reached a high technical level-but all these sophisticated technologies has one and the same characteristic: they were end-of-the pipe solutions. A second effect was that this kind of environmental protection costs a lot of money. High investments are necessary to reduce the dust emission by another ppm! Could this be the correct way? In Germany the discussion started that the environmental laws reduce the attractivity to invest or to enlarge existing investments within the country. Other countries seem to be not so strict with controlling the environmental laws which means it's simply cheaper to produce in Portugal or Greece. Everybody however knows that this is not the correct way and does not solve the environmental problems. Meanwhile the general picture changes a little bit and we think it changes into the correct direction "End-of-the-pipe" solutions are still necessary but this word received a real negative touch and nobody wants to be brought into connection with this word received a real negative touch and nobody wants to be brought into connection with this word especially in connection with environmental management and safety. Modern actual environmental management starts in a different way. Thoughts about emissions start in the very beginning of the production, they start with the design of the product and modification of traditional modes of production. Basis of these ideas are detailed analyses of products and processes. Due to the above mentioned facts that the public environmental consciousness changed dramatically a continous environmental improvement of each single production plant has to be guarantied. This question is already an important question of the EIA. But it was never really checked in a wholistic approach. Environmental risks have to be taken into considerations during the execution of an EIA. This means that the environmental risks have to be reduced down to a capable risk-level. Environmental risks have to be considered within the phase of planning, during the operation of a plant and after shut down. The experience shows that most of the environmental relevant accidents were and caused by human fault. Even in highly protected plants the human risk-factor can not be excluded during evaluation of the risk-potential. Thus the approach of an EIA has to regard technical evaluations as well as organizational thoughts and the human factor. An environmental risk is a threat to the environment. An analysis of the risk concerning the organizational and human aspect however never was properly executed during an EIA. A possible solution could be to use an instrument as the actual EMAS (Environmental Management System) of the EC for more accurate evaluation of the impact to the environment during an EIA. Organizations or investors could demonstrate by an approved EMAS or even by showing their installment of EMAS that not only the technical level of the planned investment meets the requested standards but as well the actual or planned management is able to reduce the environmental impact down to a bearable level.
The aim of the present study was to develop glycerol-free TRIS extender using glucose for dog sperm cryopreservation. We determined the appropriate concentration of glucose in glycerol-free TRIS and the exposure time in glycerol-free TRIS containing 0.3 M glucose at $4^{\circ}C$. Ejaculates of six dog sperm were cooled in glycerol-free TRIS through $4^{\circ}C$ for 100 min, cooled at $4^{\circ}C$ in TRIS with different glucose concentrations 0 M, 0.04 M, 0.1 M, 0.2 M and 0.3 M, respectively for 30 min followed by cryopreservation. After thawing at $37^{\circ}C$ for 25 sec, membrane and acrosome integrities of dog sperm were evaluated. In addition, the effect of exposure time (10, 30, 50 and 70 min) of sperm to glycerol-free TRIS containing 0.3 M glucose at $4^{\circ}C$ on progressive motility, viability, and DNA integrity following sperm cryopreservation was studied. Membrane integrity and acrosome integrity were assessed by 6-carboxyfluoresceindiacetate (6-CFDA)/propidium iodide (PI) fluorescent staining and Pisum sativum agglutinin conjugated to fluorescein isothiocyanate, respectively. DNA integrity was assessed by terminal deoxynucleotidyl transferase dUTP nick end labeling, using flow cytometry. Sperm frozen in glycerol-free TRIS supplemented with 0.2 M or 0.3 M glucose have an intact plasma membrane (CFDA+/PI-) after cryopreservation than sperm frozen in the extenders with lower glucose concentrations (p<0.05). Acrosome integrity was significantly higher in the 0.3 M group than less than 0.1 M groups (p<0.05). The sperm DNA fragmentation index did not differ according to exposure time, although progressive motility was significantly higher in the 50 min exposure group than the other groups (p<0.05). These results indicate that cryopreservation of dog sperm is feasible and yields more motile sperm following freezing and thawing in glycerol-free TRIS containing 0.3 M glucose with the exposure time for 50 min at $4^{\circ}C$.
Kim, Young-Guk;Kim, Dong-Hwi;Park, Chun-Geon;Yeo, Jun-Hwan;Ahn, Young-Sup;Park, Ho-Ki
Korean Journal of Plant Resources
/
v.22
no.5
/
pp.467-472
/
2009
This study was conducted to break down the self-incompatibility of Astragalus membranaceus Bunge by old-flower pollination, NaCl and $CO_2$ treatment. The old-flower pollination in green house produced fertilization during the 1st and 2nd day after flowering from early September to early October, but almost no fertilization in late August. The most successful pollination occurred in late September at the 1st day after flowering when pod setting was 33.3% and that of seed set was about 86.2%. The old-flower pollination in field showed pod setting for the control group from late August to early October, but no seed set except the days of mid-September and late September. The most successful pollination occurred in late September during the 2nd day of flowering when the percentage of pod setting was 39% and that of seed set was 94.9%. The wrapping in field set pods from late August to early October, but did not set seeds except in mid and end of September. The percentage of pods was 39% and percentage of seeds was 94.9% about flowering after first day in end of September. by field culture. The best result from NaCl treatment was achieved when 1% NaCl treatment in green house produced 21.3% of pod setting in early October and 66.7% of seed set in late September. In field, NaCl 5% treatment produced best result with 7.3% of pod setting and 90.9% of seed set in mid-September. No differences were observed between the $CO_2$ 700ppm treatment and the control group.
Journal of the Korean Society for Marine Environment & Energy
/
v.17
no.2
/
pp.153-165
/
2014
Carbon dioxide capture and storage (CCS) technology is recognizing one of method responding the climate change with reduction of carbon dioxide in atmosphere. In Korea, due to its geological characteristics, sub-seabed geological $CO_2$ storage is regarded as more practical approach than on-land storage under the goal of its deployment. However, concerns on potential $CO_2$ leakage and relevant acidification issue in the marine environment can be an important subject in recently increasing sub-seabed geological $CO_2$ storage sites. In the present study effect data from literatures were collected in order to conduct an effect assessment of elevated $CO_2$ levels in marine environments using a species sensitivity distribution (SSD) various marine organisms such as microbe, crustacean, echinoderm, mollusc and fish. Results from literatures using domestic species were compared to those from foreign literatures to evaluate the reliability of the effect levels of each biological group and end-point. Ecological effect guidelines through estimating level of pH variation (${\delta}pH$) to adversely affect 5 and 50% of tested organisms, HC5 and HC50, were determined using SSD of marine organisms exposed to the $CO_2$-induced acidification. Estimated HC5 as ${\delta}pH$ of 0.137 can be used as only interim quality guideline possibly with adequate assessment factor. In the future, the current interim guideline as HC5 of ${\delta}pH$ in this study will look forward to compensate with supplement of ecotoxicological data reflecting various trophic levels and indigenous species.
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