• 제목/요약/키워드: protein body

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흰쥐에게 식이를 무제한 공급 또는 공급시간을 제한하였을 때 영양소의 선택적 섭취행동과 체지방 축적과의 관계 (Relations Between Self-Selected Intake of Nutrients and Body Fat Accumulation in Rats Fed Ad Libitum or for 8-hours a Day)

  • 남혜경
    • Journal of Nutrition and Health
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    • 제25권1호
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    • pp.12-21
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    • 1992
  • This study was aimed to investigate the relations between self-selected intake of 3 macronutrie-nts and body weight gain and body fat accumulation in male rats given three isocaloric diets differing carbohydrate protein and fat contents concurrently. Also the effect of dietary restriction was observed. Forty two male rats of Sprague-Dawley strain weighing 68.7$\pm$6.1g were randomly divided into 2 groups and were allowed to have foods from 3 different cups for 8-hours a day or ad libitum, After 12 weeksthey were decapitated and their brains were quickly removed and frozen until they were assayed for serotonin and its metabolite 5-HIAA The carcass was dried at 105$\pm$2$^{\circ}C$ and measured the contents of body water and body fat. The animals chose a moderately high and constant carbohydrate level and showed the increase of percent protein intake with age and great individual variations. Protein in the diet seemed to trigger appetite and increase food intake which resulted in higher weight gains and in more fat deposition in the body. The concentration of brain serotonin did not show any correlations with the intake of nutrients. the accumulation of body fat and the gain of body weight.

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수종 생약 수침 엑기스의 면역증강 작용에 관한 연구 (Immunopotentiating Activity of Water Extracts of Some Crude Drugs)

  • 김미숙;이나경;이재현;변순정;김영중
    • 생약학회지
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    • 제19권3호
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    • pp.193-200
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    • 1988
  • Immunopotentiating activity of water extract of Lycii Fructus, Rubus Fructus, Torilis Fructus, Schizandrae Fructus and Cuscutae Semen were investigated using mouse fed with normal diet and protein deficient diet. Body weight, ratio of spleen or thymus to body weight, number of total peritoneal exudate cell, content of total serum protein and albumin content were decreased in the mouse fed with protein deficient diets as compared to the mouse fed with normal diet. Regardless of the nutritional condition, the supplement of the water extract of Lycii, Rubus Torilis, Schizandrae Fructus or Cuscutae Semen increased the ratio of spleen to body weight. The increment of this ratio was significant by the supplement of water extracts of Lycii and Torilis Fructus in mouse fed with protein deficient diet. The supplement of water extracts of Torilis Fructus to the mouse fed with protein deficient diet increased the content of total serum protein and albumin content significantly. Similar results were obtained with Lycii, Rubus, Schizandrae Fructus and Cuscutae Similar. The electrophorogram shows the difference in the concentration of some serum protein constituents between the mouse fed with normal diet and protein deficient diet.

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Effects of Feeding Dried Leftover Food on Growth and Body Composition of Broiler Chicks

  • Cho, Y.M.;Lee, G.W.;Jang, J.S.;Shin, I.S.;Myung, K.H.;Choi, K.S.;Bae, I.H.;Yang, C.J.
    • Asian-Australasian Journal of Animal Sciences
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    • 제17권3호
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    • pp.386-393
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    • 2004
  • This study was conducted to investigate the effects of feeding dried leftover food (DLF) on growth, body composition and feed conversion of broiler chicks. One hundred ninety-six of one-day old Ross broiler chicks were assigned to 7 treatments in a completely randomized design. Each treatment had four replications with seven chicks per replication. The treatments groups included control without DLF, dietary 10% level of DLF, dietary 20% level of DLF and dietary 30% level of DLF, 5% higher protein level of diet containing 10% DLF, 10% higher protein level of diet containing 20% DLF and 15% higher protein level of diet containing 30% DLF than control diet. Body weight gain was slightly higher in control group than that of DLF-fed groups. However, there were no significant differences in body weight gain among those groups fed diets containing different levels of DLF. In general, increasing dietary level of DLF resulted in decreasing feed conversion. Content of crude protein in whole broiler body was slightly higher in control group although any significant difference was not found among treatments (p>0.05). Content of crude fat in whole broiler body was lowest in groups fed diets containing 30% DLF with 15% higher protein level than control diet, showing significant difference from groups fed diets containing 20% DLF (p<0.05). Contents of total cholesterol, free cholesterol, cholesterol ester and LDL- cholesterol in blood of broilers fed DLF-containing diets generally appeared to be higher compared with control group without significant difference (p>0.05). Fatty acid contents in broiler meat were higher in the order of oleic acid, palmitic acid and linoleic acid without significant differences among treatments. Content of DHA in broiler meat was higher in groups fed diets containing DLF than that of control group although there were no significant differences among treatments (p>0.05).

반신욕 중 셀레늄 섭취가 백혈구와 HSP70 발현에 미치는 영향 (The Effect of Supplementary Selenium on Leukocytes and HSP70 Expression after Half-Body Immersion)

  • 신영오;한민규;이정범;엄병헌
    • Journal of Nutrition and Health
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    • 제44권5호
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    • pp.378-383
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    • 2011
  • This study examined the effect of supplementary selenium on leukocytes and heat shock protein (HSP) 70 expression in serum during half-body immersion. The subjects were male college tennis athletes. All subjects participated in two repeated experiments with a 1 week interval. During the 30 min intermittent half-body immersion, subjects were given 500 mL of water with or without selenium (100 ${\mu}g$). Blood samples were taken from the antecubital vein, and differential counts were made. Serum HSP70 protein was analyzed using a commercial ELISA kit. After half-body immersion, leukocytes and lymphocytes increased significantly but neutrophils decreased significantly in both trials (with or without selenium). Selenium supplementation, compared with placebo, decreased levels of leukocytes, neutrophils, and monocytes, but not lymphocytes, to the resting level or below 60 min after immersion. Only lymphocytes continued to increase in both trials during the recovery period. Serum HSP70 protein level did not change after immersion, but it decreased 60 min after immersion with the administration of selenium. In conclusion, supplementary selenium reduced the systemic immune response and serum HSP70 protein accumulation after half-body immersion.

인삼배유세포에 존재하는 단백질체의 분해양상 (The Degrading Patterns of Protein Bodies in the Ginseng Endosperm Cells)

  • 이창섭;김우갑
    • Applied Microscopy
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    • 제24권4호
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    • pp.86-97
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    • 1994
  • Protein bodies in the endosperm cells of mature red ginseng (Panax ginseng C.A. Meyer) were distributed evenly in the cytoplasm and their size varied from 1 to $8{\mu}m$. Three types of protein bodies were detected and they are spherical or egg-shaped ones containing homogeneous matrix only, spherical ones containing globoids, and irregular shaped ones. Protein bodies degraded in two patterns, one is to start the degration of the body from the surface toward the center, while the other is that the body was broken evenly and then degraded gradually. After degradation, only the limiting membrane remained, that causes the body to be empty. The limiting membranes fused with each other to form a large vacuole. Vicilin and legumin decreased in the endosperm cells as the protein bodies degraded gradually whereas they increased in the umbiliform layers.

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아나보릭스테로이드인 Nandrolone Phenylpropionate가 암컷 쥐에서 코티코스테론에 의해 야기된 근육단백질 쇠퇴와 근육단백질 합성율 감소에 미치는 영향 (Inhibition of Corticosterone-induced Muscle Protein Synthesis by the Anabolic Steroid Nandrolone Phenylpropionate in Female Rats)

  • 주종재
    • Journal of Nutrition and Health
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    • 제29권8호
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    • pp.867-873
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    • 1996
  • This study was undertaken to determine whether the anabolic steroid nandrolone phenylpropionate(NPP) can inhibit the muscle atrophy and reduction in muscle protein synthesis caused by glucocorticoids in female rates. Daily injections of 50mg/kg of corticosterone for eight days induced significant reductions in body weight gain and protein without affecting food intake. The mass, protein and RNA content, ratio of RNA to protein, and fractional rate of protein synthesis, measured in vivo, of gastrocnemius muscle were all significantly reduced by corticosterone treatement. Simultaneous administration of NPP at a dose of 10mg/kg with corticosteorne (50mg/kg) fully inhibited the reductions in the mass, protein and RNA content of gastrocnemius muscle, and body weight gain and protein with no alteration in food intake but the reduction in fractional rate of muscle protein syntheis was only partially prevented. The results indicate that the anabolic steroid nandrolone phenylpropionate is capable of preventing muscle atrophy in female rats treated with excess corticosterion.

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EFFECT OF TRYPSIN-DIGESTED BOVINE GROWTH HORMONE ON WHOLE-BODY PROTEIN SYNTHESIS IN VITRO IN CHICKEN EMBRYOS

  • Kita, K.;Hatano, S.;Okumura, J.;Muramatsu, T.
    • Asian-Australasian Journal of Animal Sciences
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    • 제6권2호
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    • pp.319-323
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    • 1993
  • The effect of bovine growth hormone digested with trypsin on whole-body protein synthesis in vitro of chicken embryos was investigated by using a whole-embryo culture system. Bovine growth hormone at 5.3 and 530 ng/ml was digested partially and completely with trypsin for 4 min and 18 h, respectively. After culturing chicken embryos with a synthetic medium containing $L-[4-^3H]$ pheylalanine, whole-embryo protein synthesis was determined from the ratio of specific radioactivities of free and protein-bound pheylalanine. Whole-embryo protein synthesis of the control group cultured with no bovine growth hormone was $49.5{\pm}2.2%/d$. There was no significant interaction between digestion time and the concentration of trypsin-digested bovine growth hormone. Tryptic digestion of bovine growth hormone increased fractional synthesis rates of whole-body protein compared to the 0-min groups, and there was no significant difference between the 4-min and 18-h groups. The higher concentration (530 ng/ml) of trypsin-digested bovine growth hormone was more effective in enhancing whole-embryo protein synthesis than the lower concentration (5.3 ng/ml).

Effect of Potassium Nitrate on the Biochemical Parameters of the Silkworm, Bombyx mori L.

  • Goudar, K.S.;Kaliwal, B.B.
    • International Journal of Industrial Entomology and Biomaterials
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    • 제3권1호
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    • pp.93-96
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    • 2001
  • The effect of supplementation with potassium nitrate on biochemical constituents was analyzed following treatment of last larval stadium. The fat body glycogen and haemolymph trehalosre significantly increased in all the treated groups. The fat body and haemolymph protein also increased significantly in all the treated groups except 500 ${\mu}g$/ml where increased fat body protein and decreased haemolymph protein were not significant. The total lipids, phospholipids and neutral lipids of the fat body increased significantly in all the groups except 50 and 300 ${\mu}g$/ml where the fat body phospholipids increased but the increase was not significant. However the total lipids, phospholipids and neutral lipids are significantly decreased in 500 ${\mu}g$/ml treated group when compared with that of the carrier control.

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미국흰불나방 지방체에서 저장단백질-1의 수용체의 특성과 부분정제 (Characterization and Partial Purification of Storage Protein-i Receptor in the Fat Body of Hyphantria cunea)

  • 채권석;여성문;김학렬
    • 한국동물학회지
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    • 제38권4호
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    • pp.490-497
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    • 1995
  • 미국흰불나방 의지방체 조직을 [35S]-메타이오닌이 포하된 배지에서 조직배양한 결과, 저장단백질-1(SP-1)의 전용기부터 용 1일 사이에 지방체로 흡수됨을 알았다. CHAPS, Triton X-100 등의 계면활성제를 농도별로 처리하여 막단백질의 용해도를 스크리닝한 뒤, anti-SP-1 polyclonal 항체를 쓴 Western blotting과 ligand blotting, 그리고 in vitro reductive methylation으로 14C을 표지한 저장단백질-1을 사용한 fluorography 등으로 1개의 수용체 밴드를 확인하였다. 1% Triton X-100으로 용해시킨 부분정제하였고, SDS-PAGE에 의해서 분자량을 측정한 결과 약 80 kDa로 나타났고 isoelectric focusing 시행 결과 등전점은 약 6.1로 계산되었다. 수용체 분자는 환원조건과 비환원조건의 차이와 전기영동 중의 온도에 따라서 SDS-PAGE상의 뚜렷한 밴드 양상의 차이를 나타내었다.

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