• Title/Summary/Keyword: duck protein

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A novel mutation in the DAX1 gene in a newborn with adrenal hypoplasia congenita in Korea

  • Lee, Juyeen;Kim, Won Duck;Kim, Hae Sook;Lee, Eun Kyung;Park, Hyung Doo
    • Journal of Genetic Medicine
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    • v.14 no.1
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    • pp.27-30
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    • 2017
  • Adrenal hypoplasia congenita (AHC) is a rare cause of adrenal insufficiency during neonatal period. Mutations in the gene coding for DAX1 cause X-linked adrenal hypoplasia. Most affected patients are shown to have salt wasting and hyperpigmentation on the skin during the neonatal period and require intensive medical care. In addition, it is usually associated with hypogonadotropic hypogonadism in adolescence. The DAX1 gene is expressed in the adrenal cortex, pituitary gland, hypothalamus, testis, and ovary. We report on a patient with genetically confirmed AHC whose initial clinical presentations were consistent with congenital adrenal hyperplasia. A point mutation in the DAX1 gene identified in this report resulted in a truncated DAX1 protein. Our patient was diagnosed with AHC.

Effect of Ginseng Saponin on the $Na^{+}$, $K^{+}$-ATPase of Dog Cardiac Sarcolemma

  • Lee, Shin-Woong;Lee, Jeung-Soo;Kim, Young-Hie;Jin, Kap-Duck
    • Archives of Pharmacal Research
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    • v.9 no.1
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    • pp.29-38
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    • 1986
  • The effects of ginseng saponins on the sarcolemmal $Na^{+}$, $K^{+}$-ATPase were compared to gypsophila saponin, sodium dodecylsulfate (SDS), and Triton X-100 to elucidate whether the effects are due to the membrane distruption, using a highly enriched preparation of cardiac sarcolemma prepared from dog ventricular myocardium. About 26% and 29% of vesicles in the preparation, enriched in ouabain-sensitive $Na^{+}$, $K^{+}$-ATP ase, $\beta$-adrenergic and muscarinic receptors are rightside-out and inside-out orientation, respectively. Ginseng saponins (triol>total> diol) inhibited $Na^{+}$, $K^{+}$-ATP ase activity, $Na^{+}$, $K^{+}$-ATPase activity and [$^{3}$H]ouabain binding of sarcolemmal vesicles. However, gypsophila saponin, SDS (0.4$\mu$g/$\mu$g protein) and Triton X-100 (0.6 $\mu$g/$\mu$g protein) caused about 1.35 and 1.40-fold increase in $Na^{+}$, $K^{+}$-ATPase activity and [$^{3}$H] oubain binding, respectively. Especially, the activating effect of gypsophila saponin on membrane Na+, K+ ATPase was detected at gypsophila saponin to sarcolemmal protein ratios as high as 100. Low dose of ginseng saponin (3$\mu$g/$\mu$g protein) decreased the phosphorylation sites and the concentration of ouabain binding sites (Bmax) without affecting the turnover number and affinity for ouabain binding, while gypsophila saponin, SDS(0.4 ug/ug protein), ahd Triton X-100 (0.6$\mu$g/$\mu$g protein) increased the Bmax. The results suggest that ginseng saponins cause a decrease in the number of active sites by interacting directly with $Na^{+}$, $K^{+}$-ATPase before disruption of membrane barriers of sarcolemmal vesicles.

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Regulation of the Contraction Induced by Emptying of Intracellular $Ca^{2+}$ Stores in Cat Gastric Smooth Muscle

  • Baek, Hye-Jung;Sim, Sang-Soo;Rhie, Duck-Joo;Yoon, Shin-Hee;Hahn, Sang-June;Jo, Yang-Hyeok;Kim, Myung-Suk
    • The Korean Journal of Physiology and Pharmacology
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    • v.4 no.2
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    • pp.113-120
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    • 2000
  • To investigate the mechanism of smooth muscle contraction induced by emptying of intracellular $Ca^{2+}$ stores, we measured isometric contraction and $^{45}Ca^{2+}$ influx. $CaCl_2$ increased $Ca^{2+}$ store emptying- induced contraction in dose-dependent manner, but phospholipase C activity was not affected by the $Ca^{2+}$ store emptying-induced contraction. The contraction was inhibited by voltage-dependent $Ca^{2+}$ channel antagonists dose dependently, but not by TMB-8 (intracellular $Ca^{2+}$ release blocker). Both PKC inhibitors (H-7 and staurosporine) and tyrosine kinase inhibitors (genistein and methyl 2,5-dihydroxycinnamic acid) significantly inhibited the contraction, but calmodulin antagonists (W-7 and trifluoperazine) had no inhibitory effect on the contraction. The combined inhibitory effects of protein kinase inhibitors, H-7 and genistein, together with verapamil were greater than that of each one alone. In $Ca^{2+}$ store-emptied condition, $^{45}Ca^{2+}$ influx was significantly inhibited by verapamil, H-7 or genistein but not by trifluoperazine. However combined inhibitory effects of protein kinase inhibitors, H-7 and genistein, together with verapamil were not observed. Therefore, this kinase pathway may modulate the sensitivity of contractile protein. These results suggest that contraction induced by emptying of intracellular $Ca^{2+}$ stores was mediated by influx of extracellular $Ca^{2+}$ through voltage-dependent $Ca^{2+}$ channel, also protein kinase C and/or tyrosine kinase pathway modulates the $Ca^{2+}$ sensitivity of contractile protein.

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Studies on the Improvements of Functional Properties of Sardine Protein by Plastein Reaction -1. Synthetic Conditions of Plasteins from the Enzymatic Hydrolysate of Sardine Protein- (Plastein반응을 이용한 정어리 단백질의 기능성 개선에 관한 연구 -1. 정어리 분말단백질의 pepsin가수분해물을 이용한 plastein의 합성조건-)

  • Kim, Se-Kwon;Kwak, Dong-Chae;Cho, Duck-Jae
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.17 no.3
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    • pp.233-241
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    • 1988
  • In order to develop a new type of food source for the effective utilization of fish protein, plastein reaction was applied to improve the functional properties of sardine protein. Conditions necessary for optimal plastein productivity from sardine protein using pepsin, ${\alpha}-chymotrypsin$, protease(from Aspergillus saitoi) and papain were established. Sardine protein concentrate was hydrolyzed with pepsin yielding an approximate degree of hydrolysis of 78.4%. Enzyme induced plastein was optimized at : pH 4 for pepsin, pH 7 for ${\alpha}-chymotrypsin$, pH 5 for pretense and pH 6 for papain : Substrate concentrate 40% for pepsin and ${\alpha}-chymotrypsin$, 50% for pretense and papain : the time of incubation, 24hr : enzyme/substrate ratio, 1 : 100(w/v) incubation temperature, $50^{\circ}C$.

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Studies on Total Protein and Total Lipids of Serum in Pregnant Holstein Friesian Cows (임신유우(姙娠乳牛)의 혈청총단백(血淸總蛋白) 및 총지질치(總脂質値)에 관하여)

  • Jo, Choong-Ho;Kim, Duck-Hwan
    • Korean Journal of Veterinary Research
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    • v.18 no.2
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    • pp.69-71
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    • 1978
  • Thirty heads of healthy pregnant and six heads of nonpregnant Holstein Friesian cows were selected for the purpose of serum chemical analysis. The partitions studied include serum total protein and total lipid with gestation periods (2.4.6.8. and 10 Months). The results were summarized as follows: 1. The mean value of serum total protein in 2 months of pregnant group was $7.70{\pm}0.28$ (7.4~8.3) g/100ml and then showed a tendency of decrease with the progress of pregnancy, that of 10 months group was figured $7.32{\pm}0.28$ (6.9~7.8) g/100ml. 2. The mean value of serum total lipids in 2 months of pregnant group was $335.67{\pm}14.69$ (300~386) mg/100ml and then showed a tendency of increase with the progress of pregnancy, that of 10 months group was figured $399.00{\pm}11.48$ (386~443) mg/100ml.

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A review of canola meal as an alternative feed ingredient for ducks

  • Wickramasuriya, Samiru Sudharaka;Yi, Young-Joo;Yoo, Jaehong;Kang, Nam Kyu;Heo, Jung Min
    • Journal of Animal Science and Technology
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    • v.57 no.9
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    • pp.29.1-29.9
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    • 2015
  • This review provides an overview of the published data on the canola meal and its suitability for duck as an alternative plant-origin protein source to soybean meal. Canola meal is a legume origin protein source containing comparable amino acid profile to soybean meal and rich in essential minerals and vitamins. Nonetheless, it is known to contain less in energy content than soybean meal. Factors like field conditions and processing methods creates compositional variations among canola meal. Presence of anti-nutritional factors such as phenolic substances, phytate and glucosinolates which are known to reduce growth performance in livestock animals, are the major drawbacks for canola meal to be a competitive plant-origin protein source in the feed industry. This review is focused to address i) nutritional characteristics and feeding value of canola meal for ducks and ii) impacts of feeding canola meal on performances of ducks.

Effect of Dietary Sargassum Meal on Growth and Body Composition of Ayu (Plecoglossus altivelis) Reared in Seawater

  • Lee Sang-Min;Kim Kyoung-Duck;Park Huem Gi;Lee Jong Kwan;Lim Yong-Su
    • Fisheries and Aquatic Sciences
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    • v.5 no.3
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    • pp.172-177
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    • 2002
  • This study was conducted to investigate the utilization of Sargassum meal in the diet on juvenile ayu (Plecoglossus altivelis) reared in seawater. White fish meal and wheat flour were used as the dietary protein and carbohydrate sources in the control diet. Wheat flour in the control diet was replaced with $5\%$ and $10\%$ Sargassum meal. Three replicate groups of fish average weighing 4.0 g were fed one of three isonitrogenous$(45\%)$ and isocaloric (14.5 MJ /kg diet) diets for 7 weeks. Survival of all groups were above $80\%$. Weight gain, feed efficiency and protein efficiency ratio were not significantly affected by dietary Sargassum meal levels (P>0.05). There were no significant differences (P>0.05) in moisture, crude protein, crude lipid, crude ash and fatty acid compositions of whole-body fish among groups. It is concluded that Sargassum meal could be used as a dietary additive or alternative low-cost dietary ingredient up to $10\%$ for juvenile ayu reared in seawater.

The effect of duck meat treated with turmeric powder intake on the postprandial blood lipid profiles in female university students (울금 첨가 오리가공육 섭취가 여대생의 식후 혈중 지질 농도에 미치는 영향)

  • Lee, Songmi;Ro, Hee Kyong
    • Journal of Nutrition and Health
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    • v.49 no.2
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    • pp.80-87
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    • 2016
  • Purpose: This study examined the effects of duck meats with turmeric powder on blood lipids in 10 female university students. Methods: The subjects received duck meat with 0%, 0.1%, 0.2%, and 0.4% turmeric powder and glucose, total cholesterol, triglyceride (TG), high-density lipoprotein (HDL)-cholesterol, and low-density lipoprotein (LDL)-cholesterol in their serums after 30, 60, 90, 120, and 180 min were measured. Results: The average height, weight, and body mass index of subjects were $159.6{\pm}2.6cm$, $51.3{\pm}3.5kg$, and $20.1{\pm}1.0$, respectively. The fasting glucose, ${\gamma}-glutamyl$ transferase (GGT), glutamic pyruvic transferase (GPT), glutamic oxaloacetic transferase (GOT), c-reactive protein (CRP), and hemoglobin were within the normal range. The ${\Delta}-AUC$ (area under the curve) of postprandial glucose, TG did not change, but ${\Delta}-AUC$ of postprandial total cholesterol and LDL were significantly decreased, and HDL was increased by intake of the duck meat with turmeric powder. Conclusion: This study shows that duck meats with turmeric powder affected the postprandial blood lipid levels.

Effects of Protein and Lipid Levels of Extruded Pellet on Growth and Body Composition of Flounder, Paralichthys olivaceus (건조 pellet 사료의 단백질 및 지질 함량이 넙치의 성장 및 체성분에 미치는 영향)

  • Choi, Jin;Seo, Joo-Young;Lee, Choong-Ryul;Kim, Kyoung-Duck;Kang, Yong-Jin;Lee, Sang-Min
    • Journal of Aquaculture
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    • v.19 no.4
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    • pp.299-304
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    • 2006
  • This study was conducted to investigate the effects of protein and lipid levels of extruded pellet on growth and body composition of juvenile flounder. Six extruded dry pellets were formulated to contain two protein levels (50 and 55%) and three lipid levels (8, 12 and 15%). Triplicate groups of fish (initial mean weight 21 g) were hand-fed to apparent satiation two times a day for 9 weeks. Survival, weight gain and daily feed intake were not significantly affected by dietary protein and lipid levels. Feed efficiency and protein efficiency ratio were significantly (P<0.001) affected by dietary lipid level, and tended to increase as dietary lipid level increased. Feed efficiency ratio of fish fed the 55% protein diet with 15% lipid was not significantly different from that of fish fed the 50% protein diet with 15% lipid, but significantly (P<0.05) higher than that of fish fed the other diets. Protein efficiency ratio of fish fed the 55% protein diet with 15% lipid was significantly (P<0.05) higher than that of fish fed the 50% protein diet with 8% lipid and 55% protein diets with $8{\sim}12%$ lipids. The contents of moisture, crude protein and lipid in the liver was significantly (P<0.01) affected by dietary lipid level. The results of this study indicate that an increase in lipid level at 50-55% protein in extruded pellet can improve feed efficiency for juvenile flounder.

Effects of Supplemental Dietary Wasabi Extract, Chitosan and Pophyra on Growth and Body Composition of Juvenile Flounder, Paralichthys olivaceus (넙치 배합사료에 고추냉이 추출물, 키토산 및 김 분말 첨가 효과)

  • Seo, Joo-Young;Kim, Kyoung-Duck;Shin, Il-Shik;Choi, Kyoo-Duck;Lee, Sang-Min
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.42 no.3
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    • pp.257-261
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    • 2009
  • Two feeding trials were conducted to investigate the effects of several dietary additives on growth and feed utilization of juvenile flounder. In the first experiment, three replicate groups of juveniles (average weight 1.5 g) were fed diets with or without wasabi extract and chitosan for 7 weeks. Survival rate, weight gain, protein efficiency ratio, hepatosomatic index and condition factor were not affected by the different dietary additives (P>0.05). Feed efficiency of fish fed the wasabi extract diet was significantly higher than that of fish fed the control diet (P<0.05). Daily feed intake of fish fed the wasabi extract diet was significantly lower than that of fish fed the other diets (P<0.05). In the second experiment, three replicate groups of juveniles (average weight 1.4 g) were fed diets with or without Pophyra powder for 7 weeks. Survival rate and weight gain were not significantly affected by dietary Pophyra powder (P>0.05). Feed efficiency and protein efficiency ratio of fish fed the Pophyra diet were significantly lower than those of fish fed the control diet (P<0.05). The results of these experiments suggest that feed efficiency of juvenile flounder may be improved by dietary supplementation with wasabi extract.