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Cervus nippon yesoensis (Japanese Yeso Deer) 사슴육에서의 색소 및 색소 안정성
M. Sekikawa,K. H. Han,K. Shimada,M. Fukushima,T. Ishikawa,C. H. Lee,M. Mikami Korean Society for Food Science of Animal Resource 2003 한국축산식품학회지 Vol.23 No.4
Color and its stability in venison, longissumus dorsi (LD) and quadriceps femoris (QF) muscles, from 8 wild Cervus nippon yesoensis (Japanese Yeso Deer) were investigated by means of the CIE L$^{*}a{*}b{*}$ measurement and autoxidation rate recorded using partially purified myoglobin. It was observed a common feature of the change of three mean values($L^{*}$, $a^{*}$ and $b^{*}$) in both LD and QF that mean value increased at 1 or 2 day post-mortem and then decreased during storage. The differences between 1 and 7 days was the largest in $a^{*}$ value than those in $L^{*}$ and $b^{*}$ values. The mean differences among storage days were only significant in $a^{*}$ except for $b^{*}$ of LD. It was same tendency that the mean difference of CIE $L^{*}$, $a^{*}$ and $b^{*}$ values during refrigerator storage was larger in $a^{*}$ than both in $L^{*}$ and $b^{*}$ reported in beef(Sekikawa et al., 1995) and venison(Stevenson et al., 1989) during storage. The smaller $a^{*}$ value was indicated that bright red of meat changed to dull red, brown red causing met-Mb formation. To compare of color stability with respects to the Mb autoxidation rate, we measured this rate of deer and horse muscles, because horse Mb was considered to have the fastest autoxidation rate among domestic animals, and we used crude Mb and pH 6.0, which might be reflected to the intact meat. Mean value of the autoxidation rate measured in this study in deer was 0.037 and that was 0.026 in horse(sigma). Although there was no significant mean difference and were different Mb purity between deer(A409/A 280 nm = 4.0) and horse(5.6), in generally Mb purity was the higher and the faster autoxidation rate, but this rate in deer was faster than in horse. These results might indicate that venison meat discolors at faster rate compared with beef.
[Poster Presentation] The Properties of Activated Carbon from Waste Newspaper
M.Shimada,K.Kawarada,T.lida,T.Okayama 한국펄프·종이공학회 1999 한국펄프종이학회 기타 간행물 Vol.- No.-
Activated carbon is a porous material made by activation of carbon materials, such as coal, by steam or carbon diaxide gas to form numerous micropores on the surface which gives the material high adsorption characteristics and it is widely used as a purifier for water and air. In this research, to developanew use for waste paper, activated carbon was prepared from waste newspaper and its adsorption characteristics were measured. As a result,activated carbon with an iodine adsorption capacity of 810 mg/g, a methylene blue adsorption capacity of 220 mg/g and a specific surface area of 1000㎡/g was obtained. These adsorption capacities were almost the same as ordinary activated carbon on the market.
EFFECT OF MILK YIELD ON GROWTH OF MULTIPLE CALVES IN JAPANESE BLACK CATTLE (WAGYU)
Shimada, K.,Izaike, Y.,Suzuki, O.,Kosugiyama, M.,Takenouchi, N.,Ohshima, K.,Takahashi, M. Asian Australasian Association of Animal Productio 1992 Animal Bioscience Vol.5 No.4
An experiment was conducted to examine the feasibility of producing multiple calves using embryo transfer in Japanese Black cattle. Milk yield of cows and forage intake of calves were measured for 11 cows with single calves, 14 cows with twins and one cow with triplets. The means of 26 weeks cumulative milk yield were 854, 1028 and 1271 kg for cows having singles, twins and triplets, respectively. Male birth weights for single calves, twins and triplet were 34.9, 26.6 and 19.9 kg, and female ones were 31.7, 24.1 and 22.1 kg, respectively. Weight and daily gain of calves were affected by weeks (W), sex (S), the number of calves (N), parity, birth season, $W{\times}N$, $S{\times}N$ and regression on milk yield. Growth rate was higher for single calves than for twins until about 9 weeks of age, then weights increased at a similar rate. Male calf weaning weights for singles, twins and triplets were 207.0, 177.1 and 162.2 kg, and those for females were 185.4, 151.6 and 180.4 kg, respectively. Average regression coefficients of calf growth on milk yield were significant, and single calf was affected more than twin calves by increment of milk yield. As the number of calves per cow increased, hay intake of calves decreased and concentrate intake tended to increase between 6 and 13 weeks of age.
Lee, B.C.,Kim, M.S.,Pae, M.,Yamamoto, Y.,Eberle, D.,Shimada, T.,Kamei, N.,Park, H.S.,Sasorith, S.,Woo, J.,You, J.,Mosher, W.,Brady, Hugh J.M.,Shoelson, Steven E.,Lee, J. Cell Press 2016 Cell metabolism Vol.23 No.4
<P>Obesity-induced inflammation mediated by immune cells in adipose tissue appears to participate in the pathogenesis of insulin resistance. We show that natural killer (NK) cells in adipose tissue play an important role. High-fat diet (HFD) increases NK cell numbers and the production of proinflammatory cytokines, notably TNF alpha, in epididymal, but not subcutaneous, fat depots. When NK cells were depleted either with neutralizing antibodies or genetic ablation in E4bp4(+/-) mice, obesity-induced insulin resistance improved in parallel with decreases in both adipose tissue macrophage (ATM) numbers, and ATM and adipose tissue inflammation. Conversely, expansion of NK cells following IL-15 administration or reconstitution of NK cells into E4bp4(-/-) mice increased both ATM numbers and adipose tissue inflammation and exacerbated HFD-induced insulin resistance. These results indicate that adipose NK cells control ATMs as an upstream regulator potentially by producing proinflammatory mediators, including TNF alpha, and thereby contribute to the development of obesity-induced insulin resistance.</P>
Al-Batran, S.-E.,Van Cutsem, E.,Oh, S. C.,Bodoky, G.,Shimada, Y.,Hironaka, S.,Sugimoto, N.,Lipatov, O. N.,Kim, T.-Y.,Cunningham, D.,Rougier, P.,Muro, K.,Liepa, A. M.,Chandrawansa, K.,Emig, M.,Ohtsu, A Oxford University Press 2016 Annals of Oncology Vol.27 No.4
<P><B>Background</B></P><P>The phase III RAINBOW trial demonstrated that the addition of ramucirumab to paclitaxel improved overall survival, progression-free survival, and tumor response rate in fluoropyrimidine–platinum previously treated patients with advanced gastric/gastroesophageal junction (GEJ) adenocarcinoma. Here, we present results from quality-of-life (QoL) and performance status (PS) analyses.</P><P><B>Patients and methods</B></P><P>Patients with Eastern Cooperative Oncology Group PS of 0/1 were randomized to receive ramucirumab (8 mg/kg i.v.) or placebo on days 1 and 15 of a 4-week cycle, with both arms receiving paclitaxel (80 mg/m<SUP>2</SUP>) on days 1, 8, and 15. Patient-reported outcomes were assessed with the QoL/health status questionnaires EORTC QLQ-C30 and EQ-5D at baseline and 6-week intervals. PS was assessed at baseline and day 1 of every cycle. Time to deterioration (TtD) in each QLQ-C30 scale was defined as randomization to first worsening of ≥10 points (on 100-point scale) and TtD in PS was defined as first worsening to ≥2. Hazard ratios (HRs) for treatment effect were estimated using stratified Cox proportional hazards models.</P><P><B>Results</B></P><P>Of the 665 patients randomized, 650 (98%) provided baseline QLQ-C30 and EQ-5D data, and 560 (84%) also provided data from ≥1 postbaseline time point. Baseline scores for both instruments were similar between arms. Of the 15 QLQ-C30 scales, 14 had HR < 1, indicating similar or longer TtD in QoL for ramucirumab + paclitaxel. Treatment with ramucirumab + paclitaxel was also associated with a delay in TtD in PS to ≥2 (HR = 0.798, <I>P</I> = 0.0941). Alternate definitions of PS deterioration yielded similar results: PS ≥ 3 (HR = 0.656, <I>P</I> = 0.0508), deterioration by ≥1 PS level (HR = 0.802, <I>P</I> = 0.0444), and deterioration by ≥2 PS levels (HR = 0.608, <I>P</I> = 0.0063). EQ-5D scores were comparable between treatment arms, stable during treatment, and worsened at discontinuation.</P><P><B>Conclusion</B></P><P>In patients with previously treated advanced gastric/GEJ adenocarcinoma, addition of ramucirumab to paclitaxel prolonged overall survival while maintaining patient QoL with delayed symptom worsening and functional status deterioration.</P><P><B>ClinicalTrials.gov</B></P><P>NCT01170663.</P>
MILK YIELD AND ITS REPEATABILITY IN JAPANESE BLACK COWS
Shimada, K.,Izaike, Y.,Suzuki, O.,Oishi, T.,Kosugiyama, M. Asian Australasian Association of Animal Productio 1988 Animal Bioscience Vol.1 No.1
Daily milk yield estimates were obtained on 74 lactations of 35 Japanese Black cows on weeks 1 to 9, 11, 13, 17, 21 and 26 postpartum using the weigh-suckle-weigh method. The data obtained were analyzed by least-squares procedures according to the models including the following effects; dam, lactation number, season of calving, week of experiment and partial regressions on the lactation number. The overall mean and standard error for daily milk yield was $4.55{\pm}0.04\;kg$. The milk yield declined essentially linearly throughout the experimental period. The main effects of lactation number, season of calving and week of experiment were highly significant. Differences in daily milk yield among cows were significant, and the repeatability was estimated as $0.60{\pm}0.06$. The overall means(kg) and repeat-abilities of cumulative milk yield for 1, 4, 9, 13, 17, 21 and 26 weeks postpartum were 41, 0.08; 166, 0.40; 361, 0.61; 503, 0.66; 632, 0.67; 749, 0.65 and 884, 0.58; respectively. The means of calf weight at birth and 26 weeks weight for different lactations ranged from 25.5 to 33.6 kg and 145.6 to 185.4 kg, respectively. Calf daily gains between experiment weeks were low in earlier stages of lactation.
Josefowicz, Steven Z.,Shimada, M.,Armache, A.,Li, Charles H.,Miller, Rand M.,Lin, S.,Yang, A.,Dill, Brian D.,Molina, H.,Park, H.S.,Garcia, Benjamin A.,Taunton, J.,Roeder, Robert G.,Allis, C. Cell Press 2016 Molecular cell Vol.64 No.2
<P>The inflammatory response requires coordinated activation of both transcription factors and chromatin to induce transcription for defense against pathogens and environmental insults. We sought to elucidate the connections between inflammatory signaling pathways and chromatin through genomic footprinting of kinase activity and unbiased identification of prominent histone phosphorylation events. We identified H3 serine 28 phosphorylation (H3S28ph) as the principal stimulation-dependent histone modification and observed its enrichment at induced genes in mouse macrophages stimulated with bacterial lipopolysaccharide. Using pharmacological and genetic approaches, we identified mitogen-and stress-activated protein kinases (MSKs) as primary mediators of H3S28ph in macrophages. Cell-free transcription assays demonstrated that H3S28ph directly promotes p300/CBP-dependent transcription. Further, MSKs can activate both signal-responsive transcription factors and the chromatin template with additive effects on transcription. Specific inhibition of MSKs in macrophages selectively reduced transcription of stimulation-induced genes. Our results suggest that MSKs incorporate upstream signaling inputs and control multiple downstream regulators of inducible transcription.</P>