This study is attempted to correct an error of electronic blood pressure meter with an optical sensor. In general, for a hospitalized patient, ECG, blood pressure, oxygen saturation, and respiration are basically measured to monitor the patient's condition. Opening of a blood vessel after it is occluded by pressurizing the cuff influences the blood flow of peripheral blood vessels as well as oscillation changes in the cuff. Blood vessels are occluded and peripheral blood flow disappears at cuff pressure above the examinee's blood pressure, while blood vessels are opened and peripheral blood flow appears again at cuff pressure under the examinee's blood pressure. Then Disappear-Appear Point Length(DAPL) of peripheral blood flow can be judged with the signal of peripheral blood flow, thus is available as a factor of error correction for electronic blood pressure meter. Also, systolic or diastolic blood pressure can be corrected with Appear-Point-Pressure(APP) of cuff pressure at a point where blood flow occurs and Appear-Maximum Pressure(AMP) of cuff pressure at the maximum amplitude point of peripheral blood flow after peripheral blood flow appears again. For verification, 27 examinees were selected, and their blood value was obtained through experimental procedure of 4 stages including induction of blood pressure change. The examinees were divided into two groups of experimental group and control group, regression analysis was conducted for experimental group, and correction of a blood pressure error was verified with optical signal by applying the regression equation calculated in experimental group to control group. As an experimental result, mean of the whole measurement errors was 5mmHg or more, which did not meet the standard fur blood pressure meter. As a result of correcting blood pressure measurements with data of DAPL, APP, and AMP as drawn out of PPG signal, systolic blood pressure, mean blood pressure, and diastolic blood pressure were $-0.6{\pm}4.4mmHg,\;-1.0{\pm}3.9mmHg$ and $-1.3{\pm}5.4mmHg$, respectively, indicating that mean of the whole measurement errors was greatly improved, and standard deviation was decreased.
Background: A previous study has shown that Euonymus alatus (EA) has an antidotic activities against inflammation, suggesting possibility that EA can exert this beneficial effects to liver injury by an initial protection against drug-induced hepatocyte demage. The present study was undertaken to evaluate the protective effect of EA-extract on experimentally induced hepatitis in ICR mice and to investigate some mechanisms responsible for its action. Methods: Water EA extract was used in this experiments. The mice received i.p. a dose of 700 mg/kg galactosamine (GalN) together with $5{\mu}g/kg$ of endotoxin (LPS), or received i.v. 12 mg/kg of concanavalin A (Con A). EA (4 mg/mouse) was administrated on day -2, -1 and 0 before induction of liver injury. Liver injury was assessed by measurement of serum alanin amino-transferase (SGPT) levels on 9 hr after GaIN.LPS, or 8 hr after con A administration. Results: Treatment with either GaIN or LPS alone did not cause hepatitis. However, simultaneous administration of GalN and LPS to mice resulted in LPS-dose dependent fulminant hepatitis. GaLN/LPS-induced liver injury was reduced when mice were given EA for 3 days before induction. This preventive effect of Ea was more prominent when EA was given by intraperitoneal route rather then by oral route. Pretreatment of EA or dexamethasone inhibited significantly $TNF{\alpha}$ production in GalL/LPS-injured mice. However, EA-treatment did not influence $TNF{\alpha}$-induced hepatitis in GalN-sensitized mice, suggesting that $TNF{\alpha}$ is likely to act as one of final mediators of endotoxin action and the protective effect of EA might be manifested chiefly by inhibition of endotoxin-induced $TNF{\alpha}$ production, not by blocking the $TNF{\alpha}$-action. Injection of Con A into mice evoked remarkable liver injury in a dose dependent fashion. This liver damage was reduced by EA-pretreatment. Dexamethasone significantly reduced both GalL/LPS-induced and Con A-induced liver damages, showing synergism with EA. However, indomethacin reduced only GalN/ LPS-induced hepatitis, not for Con A-induced hepatitis. Conclusion: These results led to the conclusion that EA may be able to contribute at least in part to prevent the drug-induced hepatotoxicity, and that its anti-hepatitis effects might be manifested directly by modulation of endogenous mediators, such as leukotriese D4, $TNF{\alpha}$ and free radical, and indirectly by regulation of immune mediated responses. Also these results suggested that EA could be developed as a potential antidotic agent.
Objectives : Korean traditional acupuncture Theory, Sa-am's 5 phases acupuncture method was originated in 1644-1742, in the middle of the Cho Sun dynasty. This study was to verify the effect of Sa-am Acupuncture Treatment on dysmenorrhea of Women. Methods : The subjects were 49 volunteers who were suffering for dysmenorrhea, employed using Measure of Menstrual Pain (MMP) questionnaire. Subjects were divided into two groups including Sa-am acupuncture treatment group(n=23) and minimal acupuncture treatment group(n=26). They had agreed to take part in tIris experiment, with didn't take any anodyne drugs. In the acupuncture group, subjects were stimulated at $GB_{41}$, $SI_3$, $GL_{66}$, $SI_2$(Small intestine jung-guk) and $SP_6$. In the control group, subjects were needled at $L_{10}$, $S_{40}$, $P_5$, $G_{40}$ points have any effect on dysmenorrhea. A total of 5 acupuncture sessions were performed for each patient depending on the individual menstruation cycle. The MMP score by using 7 questions and the Menstrual Symptom Severity List(MSSL-D) were measured before and after menstruation cycle. Collected data were analyzed as frequency, percentage, paired t-test, independent t-test using SPSS 10.0 WIN Program. Results : Acupuncture treatment produced a significant improvement on dysmenorrhea in two groups, but a statistically significant difference was not shown in the acupuncture group compare to control group. Conclusions : Based on the above results, it was verified that Acupuncture Treatment was effective in decreasing the symptom of Dysmenorrhea.
Journal of the Korean Society of Food Science and Nutrition
/
v.31
no.5
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pp.840-846
/
2002
Male Sprague-Bawler rats were blocked into four groups which were normal rats fed control diet (NC) diabetic rats fed control diet (DC), normal rats fed Hamcho powder diet (NH), and diabetic rats fed Hamcho powder diet (DH). Diabetes was induced by single injection of streptozotocin (60 mg/kg B.W. i.p.). The animals were fed ad libitum for 5 weeks. Malondialdehyde (MDA), glucose 6-phosphtase (Gspase), glutathione S-transferase (GST) glutathione Peroxidase (GPx), and glutathione reductase (GR) activities were measured in the homogenates of liver and kidney, and total lipid, total cholesterol, triglyceride, and HDL-cholesterol concentrations in the blood serum. Food and water intakes were markedly higher in diabetic groups than those of normal groups and were not significantly decreased by Hamcho powder supplementation, But, FER (Feed efficiency ratio) of DH Brood was higher than that of U group. Total cholesterol level of DH group was decreased in the second and third week, and the weekly change of blood sugar was also decreased in the 5th week. Dietary Hamcho intake showed 41.2% of hypoglycemic effect in diabetics rats. Levels of total lipid and triglycerides of DH group were lower than those of DC group. Hepatic GR activity of DH group was higher than those of other groups. However, renal GR activity was lower than those of other groups. Hepatic G6Pase activity was significantly high in DH group and reduced by Hamcho powder supplementation. GST was reduced by Hancho diet in diabetic rats. In conclusion Hamcho supplementation decreased serum lipid and glucose concentration in STZ-induced diabetic rats and this effects of Hamcho might exert antidiabetic effect of Hamcho powder diet.
The storage of rice polishing (RP) with and without addition of antioxidant for sixteen weeks and its effect on rancidity and metabolizable energy values during the summer season was determined. Fifteen Single Comb White Leghorn cockerels of approximately uniform age and weight were procured and kept in metabolic cages under standard feeding and management practices. Five force feeding trials were conducted. In the first trial, fresh RP with 0 weeks of storage (diet 1 and 2) was used followed by four feeding trials with 4 (diet 3, 4), 8 (diet 5, 6), 12 (diet 7, 8), and 16 (diet 9, 10) weeks of storage of RP. The same birds were used in all trails. The birds were fasted for a period of 21 h, followed by force feeding of 20 g of RP with and without antioxidant for all storage periods. The control/fasting group was also maintained to measure endogenous fecal losses. Excreta were collected after 48 h for the determination of AME and TME values of RP. Along with the biological trials, laboratory assay of the RP stored with and without antioxidant was conducted to measure the extent of rancidity in terms of Thiobarbituric acid value (TBA). The TBA values were affected (p<0.05) by storage period and the values increased when the storage period increased from 4 to 16 weeks. However, the TBA values were significantly reduced (p<0.05) when RP was stored after addition of antioxidant when compared with the values obtained from RP stored without antioxidant (diet 3 vs. 4, 5 vs. 6, 7 vs. 8, and 9 vs. 10). The AME MJ/kg and TME MJ/kg values of RP were neither affected by increase in storage period nor addition of antioxidant. The findings of this study revealed that there was no effect of rancidity and storage time on the nutritive value, AME or TME of RP in poultry. However, TBA values were increased with the increase in storage period.
Objective: A study was conducted to test six threonine (Thr) levels (0.39%, 0.44%, 0.49%, 0.54%, 0.59%, and 0.64%) to estimate the optimal dietary Thr requirements for Longyan laying ducks from 17 to 45 wk of age. Methods: Nine hundred Longyan ducks aged 17 wk were assigned randomly to the six dietary treatments, where each treatment comprised six replicate pens with 25 ducks per pen. Results: Increasing the Thr level enhanced egg production, egg weight, egg mass, and the feed conversion ratio (FCR) (linearly or quadratically; p<0.05). The Haugh unit score, yolk color, albumen height, and the weight, percentage, thickness, and breaking strength of the eggshell did not response to increases in the Thr levels, but the albumen weight and its proportion increased significantly (p<0.05), whereas the yolk weight and its proportion decreased significantly as the Thr levels increased. Conclusion: According to a regression model, the optimal Thr requirement for egg production, egg mass, and FCR in Longyan ducks is 0.57%, while 0.58% is the optimal level for egg weight from 17 to 45 wk of age.
Intimin, the product of eae gene in EHEC O157:H7, is required for intimate adherence. In this study, the C-terminaI region(281 amino acids) of the EHEC OI57:H7 intimin were expressed as a protein fusion with (His)$_6$ which was used to raise antiserum in rabbits. The antiserum reacted in western blot with a 94kDa outer membrane protein of EHEC O157:H7. It was observed that the antibody titers both in egg yolk and serum appeared in 2${\sim}$4 weeks after immunization with fusion protein. At the time of 8 weeks, the titre of egg yolk was found to be higher than that of sera. According to the results of neutralization test, chicken egg-yolk antibody(lgY) against the recombinant intimin strongly reacted to EHEC O157:H7. We conclude that a truncated recombinant intimin could be used as an immunogen to elicit antibody(lgY) against O157:H7.
Forage legumes are being used as an important source of protein for dairy farm as well as nitrogen fertilizer. This experiment was conducted to evaluate forage production and quality of five legumes at Cheonan Yonam College Experimental Livestock Farm for 1 year(2001-2002). Five legumes were crimson clover (Trifolium incarnatum L.) 'Tibbee', hairy vetch(Vicia villosa Roth) 'Common', red clover(Trifolium pratense L.) 'Kenland', persian clover(Trifolium resupinatum L.) 'Leeton', alfalfa(Medicago sativa L.) 'Vernal'. All legumes were shown cold hardiness of 8 rating or higher except crimson clover(7 rating). Flowering stage was observed 23th of April for crimson clover, 13th of May for hairy vetch, 3rd of May for red clover, and 12th of May for alfalfa. But persian clover didn't at harvest. Dry rnatter(DM) of crimson clover(17.6%) was the highest among legumes. In DM and total digestible nutrients(TDN) yields, crimson clover and hairy vetch were higher than those of other legumes. The crude protein of hairy vetch(20.5%) was the highest among legumes. In neutral detergent fiber(NDF) and acid detergent fiber(ADF), persian clover was the lowest(35.0% and 25.0%). Calculations of relative feed value(RFV) based on NDF and ADF of legumes were over 125(Prime degree) except hairy vetch. RFV and TDN of persian clover were the highest among legumes. According to the results of this study, crimson clover and hairy vetch are excellent in forage yield. Persian clover is superior in forage quality among legumes.
The peroxisome proliferator-activated receptor $\gamma$(PPAR$\gamma$), a member of the steroid/thyroid nuclear hormone receptor suferfamily of ligand-activated transcription factor, is an important regulator of adipocyte gene expression and differentiation. In this studies, we report the identification, characterization, and expression of a Hanwoo PPAR$\gamma$ gene. The PPAR$\gamma$ cDNA sequence of the Hanwoo show strong conservation with the corresponding sequences reported in other species except of three amino acid sequences. The distribution of PPAR$\gamma$ mRNA in various tissues of Korean cattle aged 12 months were investigated using Northern Blot analysis. The highest expression was detected in adipose tissue, more lower expression was detected in colon, small intestine, kidney, lung, while expression was not detected in brain, heart. PPAR$\gamma$ expression was higher in adipose tissue of Korean cattle when aged 30 months than aged 12 months. These results indicated PPAR$\gamma$, regulator adipocyte gene expression and differentiation, related on adipose differentiation in Korean native cattle(HANWOO).
Yi, Young-Joo;Yoo, Jaehong;Samiru, S. Wickramasuriya;Kim, Eunjoo;Koo, Bonjin;Heo, Jung Min
Korean Journal of Poultry Science
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v.43
no.1
/
pp.21-29
/
2016
A total of 144 one-day-old male broilers (ROSS ${\times}$ Ross 308) ($42{\pm}0.1g$) were used in a completely randomized design and allotted to one of three dietary treatments to give 6 replicates per treatment (8 birds per cage). The three watery dietary treatments were 1) a corn-soybean meal-based relation [Negative control (NC); no antimicrobial compounds added] with tab water, 2) 8 ppm liquid-alpha-lipoic acid [Positive control (PC)] or 3) 100 ppm liquid-resveratrol. All dietary treatments were continuously provided as a liquid form. Birds were housed in a battery cage (n=48), and were offered liquid dietary treatments at all times. The ambient temperature was maintained at $32{\pm}1^{\circ}C$ for the first 3 weeks and decreased gradually to $28{\pm}1^{\circ}C$ by the end of the experiment (d 35) to induce moderate heat stress. One bird per pen (n=6) was euthanized via cervical dislocation at day 21 to obtain terminal ileum to measure villous height and crypt depth, while another bird per pen (n=6) was similarly euthanized at day 35 and used to harvest breast meat and drumsticks to evaluate meat quality traits. Birds fed liquid-resveratrol did not improve (P>0.05) body weight and average daily gain compared with those fed other dietary treatments from day 1 to day 35. Birds fed liquid-resveratrol had no effect (P>0.05) on villous height compared with birds were in other dietary treatments at day 21. Liquid-resveratrol had no effect (P>0.05) on thiobarbituric acid reactive substance (TBARS) in drumsticks compared with other dietary treatments at day 35. Furthermore, birds fed liquid-resveratrol had no effect (P>0.05) on DPPH radical scavenging activity both in breast meat and drumsticks compared with those fed other dietary treatments at day 35. Morphological changes of ileum were not observed by immunofluorescence, and the level of occludin protein from ileum extracts also did not differ among groups. Our results suggested that liquid form of antioxidant compounds used in the current study such as alpha-lipoic acid (8 ppm) or resveratrol (100 ppm) did not improve growth performance, meat quality traits and histology of terminal ileum compared with those fed negative control in broiler chickens under moderate heat stress for 35 days.
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