• Title/Summary/Keyword: 혈림프

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Metabolism of Leucine During the Early Pupal State of Cabbage Worm, Pieris rapae L. (배추흰나비 (Pieris rapae L.)의 초기 용시기에 따른 Leucine의 대사)

  • Jeon, Jin-Seon;Choe, Rim-Soon;Park, Choon-Keun;Kim, Hak-Ryul
    • The Korean Journal of Zoology
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    • v.22 no.1
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    • pp.19-25
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    • 1979

  • To determine the metabolism of leucine during the cuticle formation and the sclerotization process in Pieris rapae L., $U-^3$H-leucine or $U-^4$C-tyrosine is injected into the haemolymph of newly molted pupa through dorsal cuticle of heart area. The results show that leucine as a common amino acid participates in the synthesis of cuticle protein over the first 3 hr after ecdysis. It is also shown that leucine in the haemolymph at ecdysis is freely being moved between major internal organs during the short time period post-ecdysis, providing the evidence for some involvements including haemolymph protein synthesis and storage of fat body and gut in metabolism of leucine.

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Changes in the Haemolymph Metabolites, Protein, Carbohy-drate, and Free Amino Acid of Gallena mellonella L. Parasi-tized by the Pupal Parasitoid, Brachymeda lasus Walker (무늬수중다리좀벌(Brachymeda lasus Walker)에 의해 기생된 꿀벌부채명나방(Gallena mellonella L.) 번데기의 혈림프 대사물질에서 단백질, 탄수화물, 유리아미노산의 변화)

  • 이해풍;고태용;이경로
    • The Korean Journal of Zoology
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    • v.33 no.2
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    • pp.166-174
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    • 1990

  • Gallena mellonella L. was parasitized by the pupal parasitoid, Brachymerica lasus Walker in the laboratory. Haemolymph total protein and carbohydrate concentrations from the hosts parasitized by B. lasus decreased within 1st day following parasitization. However, haemolymph total free amino adds, glycine, proline, arginine, isoleucine, phenylalanie, leucine, valine, glutamk acid, histidine, serine, and tyrosine increased and free amino acids decreased were threonine, aspartic acid, methionine, cysteine, alanine, and lysine.

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Purification of Antibacterial Proteins in Heliothis assulta Injected with Bacillus thuringiensis (Bacillus thurinRiens영의 주입에 의해 유도된 담배나방의 항세균 단백질의 정제)

  • 유종명;정성은이형철
    • The Korean Journal of Zoology
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    • v.37 no.2
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    • pp.274-280
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    • 1994

  • 담배나방(Heliothis assulta) 혈림프 항세균성 단백질의 특성을 알아보기 위해 종령 유충의 혈강으로 고라구연us thuringiens논 균을 주입하였다. 혈림프의 항세근적 활성은 주입후 48시간 경과군에서 가장 높았으며, E. coli와 풍 thuringiensis에 대하여 항세균성을 보이는 두 개의 단백질(G-1 및 G-11)들을 cation exchange chromatography와 gel filtration을 통해 정제하였다 49KD와 46KB의 두 subunit로 구성된 G-1은 높은 glvcine(17 13 mole %) 및 alanine(13.88 mole %) 함량을 보였으며, 14KD의 단일 pclvpeptide인 G-11에서는 histidine(16 14 mole %)과 glvclne(14.27 mole %)의 함량이 높아, 이러한 높은 glvcine 함량에 있어서 곤충에서 나타나는 다른 항세균성 단백질과 공통점을 보인다.

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Purine Nucleoside Phosphorylase (PNP) Activity of Lymphocytes and T Cell Subsets in Peripheral Blood in Thyroid Tumors (갑상선 종양에 있어서 말초형 림프구의 Purine Nucleoside Phosphorylase (PNP) 활성과 T 세포 아형에 관한 연구)

  • Kim, Dong-Soo
    • The Korean Journal of Nuclear Medicine
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    • v.26 no.1
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    • pp.1-7
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    • 1992

  • To elucidate alteration of purine nucleoside phosphorylase (PNP) activity of peripheral lymphocytes and helper/inducer and suppressor/cytototxic T cells in patients with thyroid tumors, the author examined PNP activity, and $CD4^+\;and\;CD8^+$ cells of peripheral blood in 20 cases of simple goiter, 9 cases of thyroid adenoma and 20 cases of thyroid cancer as well as 11 cases of adult healthy subjects as control. Diagnoses were established on the basis of commonly accepted clinical and biochemical criteria in simple goiter and were confirmed histopathologically in thyroid adenoma and cancer. All blood was obtained from veins of the patients and control subjects in Pusan National University Hospital during the period of January to August, 1991. The results obtained were summarized as follows: 1) The PNP activity was significantly decreased or tended to be decreased in thyroid adenomas and cancers as compared with control subjects and simple goiters. 2) The percentage of CD8 cells was significantly decreased or tended to be decreased in thyroid cancers as compared with simple goiters, thyroid adenomas and control subjects. 3) The CD4/CD8 ratio was significantly increased or tended to be increased in thyroid cancer as compared with simple goiters, thyroid adenomas and control subjects. On the basis of the results, it can be suggested that the immunodysfunction in thyroid cancer may be due to decreased suppressor/cytotoxic T cells, and the estimation of PNP activity of peripheral lymphocyte is a helpful test in detecting the immune status in thyroid tumors.

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