• 제목/요약/키워드: S-100 Protein

검색결과 1,379건 처리시간 0.032초

Chordoid Meningioma

  • Choi, Kyung-Chul;Joo, Won-Il;Jang, Kyung-Sool;Kim, Moon-Chan
    • Journal of Korean Neurosurgical Society
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    • 제38권5호
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    • pp.390-392
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    • 2005
  • A case of chordoid meningioma occurring in a 61-year-old woman who did not have a Castleman's disease is presented. The patient had suffered from headache and motor dysphasia. Laboratory findings are normal. The tumor, located in the left frontal region and associated with peritumoral edema, was totally resected. Surgical specimen revealed a solid mass with irregular surface that measured $3.5{\times}4.5{\times}4cm$. Immunohistochemical staining revealed that the tumor cells expressed epithelial membrane antigen[EMA] focally, but not S-100 protein and glial fibrillary acid protein [GFAP], and the Ki-67 proliferative index of the tumor was 9%. The neoplasm was diagnosed chordoid meningioma of the World Health Organization[WHO] grade II. After total resection, her preoperative headache and dysphasia were disappeared.

Food Composition of Raw, Boiled, and Roasted Sweet Potatoes (생고구마와 삶은 및 구운 고구마의 식품성분 비교)

  • Kim, Soyoung;Seo, Dongwon;Park, Jisoo;Kim, Se-na;Choi, Youngmin;Nam, Jin-sik;Lee, Jong-Hun;Kim, Sang-Cheon;Yang, Mi-Ok;Hwang, Jinbong
    • The Korean Journal of Community Living Science
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    • 제28권1호
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    • pp.59-68
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    • 2017
  • In this study, two kinds of chestnut-sweet potato (CSP) and pumpkin-sweet potato (PSP) were cooked by three methods: raw, steaming, and roasting. These samples were investigated in food compositions such as moisture, protein, ash, dietary fiber, fat, minerals, and vitamins. As the results of this study, the moisture contents of raw CSP and raw PSP were higher than those of steamed and roasted samples in two cultivars. The contents of protein in raw CSP and raw PSP were 2.57 g/100 g and 3.22 g/100 g, respectively, which were higher than those of other cultivars. The protein contents of roasted CSP and steamed PSP were lower than those of their raw samples. The potassium, phosphorus, magnesium, calcium, sodium, and iron values of PSP were 1,048.46 mg/100g, 152.02 mg/100g, 74.70 mg/100g, 57.22 mg/100g, 22.28 mg/100g, and 1.44 mg/100g, respectively, which were the highest values in tested sweet potato cultivars. The content of dietary fiber in CSP was higher generally than that in PSP. The values of total dietary fiber in cooked sweet potatoes were higher than those of raw sweet potatoes. The contents of vitamins, including thiamine, riboflavin, and niacin, in PSP were higher than those in CSP. Overall, two cultivars of raw, boiled, and roasted sweet potatoes had enhanced food composition. Therefore, these sweet potato cultivars are expected to be highly valuable food items for the development and application of functional foods.

Effects of Different Levels of Oxytetracycline on Physiological and Bio- chemical Responses in Olive Flounder, Paralichthys olivaceus (넙치, Paralichthys olivaceus에서의 Oxytetracyline 처리 농도가 생리ㆍ생화학적 반응에 미치는 영향)

  • 양정환;여인규
    • Journal of Aquaculture
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    • 제17권4호
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    • pp.268-274
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    • 2004
  • Olive flounder was treated with oxytetracycline (OTC) and changes in blood physiology, antioxidant enzymes and heat shock protein (HSP) were recorded to obtain preliminary data for optimal OTC treatment. Blood parameters were measured 1 and 3 h after the OTC treatments at the concentration of 0 (control), 100, 300 and 500 ppm for I h. Hematocrit decreased with time, however the difference was not significant (P>0.05). Reduced number of red blood cell was observed with increasing OTC concentration. Serum glucose level increased as the OTC concentration increased. However, glucose level was similar to control after 3 h. Blood total protein decreased immediately after the OTC treatment but increased after 1 and 3 h. However, the increment in blood total protein was low. Activities of superoxide dismutase enzymes in 300 and 500 ppm groups increased by the OTC concentration. Catalase enzyme activity was negatively affected by the OTC concentration. However, the differences were not significant (P>0.05). High expression of HSP-70 protein was recorded for groups treated with 100 and 500 ppm compared to that of the control group. However HSP-70 mRNA showed a lower increment which was not significant (P>0.05).

Transcriptional regulation of soybean ${\beta}-conglycinin$ gene expression. -(I) Identification of a soybean embryo factor interacting with upstream region of soybean ${\beta}-conglycinin$ gene- (대두 ${\beta}-conglycinin$ 유전자 발현의 전사 조절에 관한 연구 -(I) 대두 ${\beta}-conglycinin$ 유전자의 upstream 영역에 결합하는 대두 배 인자의 동정-)

  • Lee, Jeong-Yeon;Chung, Dong-Hyo;Kim, Woo-Yeon
    • Applied Biological Chemistry
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    • 제36권6호
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    • pp.547-552
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    • 1993
  • Soybean nuclear extracts and S-100 were prepared to examine the soybean embryo factors which bind to the upstream region of soybean ${\beta}-conglycinin$ ${\alpha}'$ subunit gene. SEF3(soybean embryo factor 3), which is presumed to be a trans-acting factor for the expression of the gene, was detected in gel mobility shift assay using the DNA probe containing two AACCCA hexanucleotides. DNA probe containing CATGCAT or AACACA was used to find any other soybean embryo factor interacting with the upstream region of ${\beta}-Conglycinin$ ${\alpha}'$ subunit gene. It was found that there was no common DNA binding protein detected both in nuclear extracts and S-100. The relative levels of SEF3 binding activity both in nuclear extracts and S-100 of maturing soybean seeds were determined. SEF3 activity of nuclear extracts was first detected around 20 days after pollination and significantly increased around 32 days after pollination.

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Changes of Seed Chemical Component during Grain Filling in Job′s Tears (율무의 등숙에 따른 종실 성분함량 변화)

  • Kim, Yul-Ho;Lee, Bong-Ho;Lee, Jung-Il;Hur, Han-Sun;Lee, Sang-Chul;Kim, Bong-Yoen
    • KOREAN JOURNAL OF CROP SCIENCE
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    • 제39권1호
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    • pp.92-97
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    • 1994
  • The reports on the chemical composition of developing job's tears seeds is very insufficient by this time. The purpose of this study was to obtain the fundamental information on chemical component of the developing job's tears seed, including starch, sugar, oil, protein, fatty acid, Alkali Digestibility Value(ADV), 100-grain weight. Two job's tears varieties in different by maturity types were analyzed for those components from 10 days after heading to maturity, with 5-day intervals. Total sugar content in seeds followed a pattern of linear increase after heading, but it started to decreased around 15 days after heading. On the other hand, starch content continued to increased until maturity and the highest increasing occurred between 15 and 20 days after heading. The protein content of seeds was decreased, while oil content was increased through the ripening process. Starch content showed a positive correlation with 100-grain weight, ADV, oil and germination percent, but it had negative correlation between total sugar and protein contents in ripening process. Maximum starch content, 100 grain weight, and germination percent obtained by quadratic equation were attained 38 to 43 days after heading. So that the physiological maturity of job's tears seeds was considered to be 40 days after heading.

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Ribosomal Protein S4 Genes in Macaca fuscata: Sequence, Evolution, and Phylogeny

  • Kim, Heui-Soo
    • Journal of Life Science
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    • 제11권1호
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    • pp.34-38
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    • 2001
  • The cDNA encoding ribosomal protein S4(RPS 4) from an ovary cDNA library of the Japanese monkey (Macaca fuscata) was cloned and sequenced. The RPS4X gene from monkey X chromosome encodes a deduced protein of 263 amino acids and share 99.1% cDNA sequence similarity and 100% amino acid sequence identify with the human RPS4X. Rate of synonymous substitution was higher in RPS4Y than in RPS4X in comparison to the monkey and human. The ratio of synonymous and nonsynonymous substitutions per site indicated that directional selection has nor occurred in RPS4 genes. Phylogenetic analysis using the neighbor-joining method revealed that X and Y-linked RPS4 genes have evolved independently.

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Multiple functions of human UV DNA repair endonuclease III

  • Jang, Chang-Young;Kim, Joon
    • Journal of Photoscience
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    • 제9권2호
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    • pp.182-185
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    • 2002
  • There are 3 UV DNA repair endonuclease activities in mammalian cells that cleave UV -irradiated DNA. Interestingly, mammalian UV endonuclease III with MW of 26.7kD has a lyase activity on AP sites. It also cleaves the phosphodiester bond within a cyclobutane pyrimidine dimer. Genomic analysis of human repair endonuclease III gene revealed that this gene has 100% sequence identity with ribosomal protein S3 (rpS3). Therefore, rpS3 seems to function both in translation and in DNA repair. This gene of about 6.1 kb contains 6 introns and 7 exons, and the first and fifth introns of human rpS3 gene contain functional U15 small nucleolar (sno) RNAs which appear to be involved in ribosome assembly. It is to be noted that the column profile of the endonuclease activity of rpS3 appears to be altered in Xeroderma Pigmentosum (XP) group D cells compared to normal cells indicating that this protein is involved in XP disease as well. XP is a human disease characterized by high sensitivity of skin by UV- or sun-light irradiation and by high frequency of developing skin cancers. We also report here that rpS3 protein is involved in other cellular functions.

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An Enzyme-Linked Immunosorbent Assay for Detection of Milk proteins in Food (우유단백질의 분석을 위한 효소면역측정법)

  • Shon, Dong-Hwa;Kim, Hyun-Jung;Bae, Gun-Won;Kim, Soon-Mi
    • Korean Journal of Food Science and Technology
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    • 제32권3호
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    • pp.564-569
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    • 2000
  • An enzyme-linked immunosorbent assay(ELISA) was developed for the detection of milk proteins in processed foods. The ${\alpha}_{s1}-casein({\alpha}_{s1}-CN)$, a heat stable major milk protein, was immunized into rabbits to produce specific antibodies. When competitive indirect ELISA(ciELISA) using $anti-{\alpha}_{s1}-CN$ antibodies was established, its detection limit was $0.1\;{\mu}g/mL$. The reactivities of the specific antibodies toward ${\alpha}_{s1}-CN$, skim milk, ${\beta}-CN$ and whey protein isolate(WPI) were 100, 37, 0.14 and 0.04%, respectively, as determined by ciELISA. However $anti-{\alpha}_{s1}-CN$ antibodies did not have any reactivity to other milk proteins such as ${\beta}-lactoglobulin,\;{\alpha}-lactalbumin$, bovine serum albumin, and isolated soy protein. When sandwich ELISA was established, its detection limit was $0.01\;{\mu}g/mL$ which was 10 times more sensitive than that of ciELISA. In the spike test which was performed by adding 1-10% of whole CN to market milk, mean assay recovery as determined by sandwich ELISA was 94.8%(CV, 8.2%). Food stuffs and dairy products were assayed by sandwich ELISA to show 29, 0.13, 0.25, and 6.9% of whole CN in skim milk powder, WPI, semi-solid yoghurt, and processed cheese, respectively.

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Farnesyl protein transferase 방해제 연구를 통한 항암제의 개발

  • 이상규;박세연;백영진;최희정;양철학
    • Proceedings of the Korean Society of Applied Pharmacology
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    • 한국응용약물학회 1994년도 춘계학술대회 and 제3회 신약개발 연구발표회
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    • pp.180-180
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    • 1994
  • Farnesyl protein transferase는 Ras precursor의 C-terminal에 있는 cystein residue에 farnesyl group을 결합시키는 효소다. 이 효소를 bovine testis에서 30-50% ammonium sulfate fractionation, DEAE-sephacel ion exchange, Sephacryl s-300 gel filtration, hexapeptide(KKCVIM) affinity chromatography를 통해 30000배로 분리하였다. 분리된 효소는 gel filtration시 약 100kDa으로, SDS-polyacrylamide 전기영동시 50kDa의 인접한 두 bands로 나타났고 이것은 $\alpha$, $\beta$ subunits으로 생각되었다. $\alpha$ subunit을 encoding하는 RAM2 유전자를 site directed mutagenesis로 145번의 histidine을 aspartate로, 140번의 aspartate를 asparagine 으로 바꾸었더니 optimal pH와 $K_{m}$ 값이 변했다. Diethyl pyrocarbonate로 histidine residues를 chemical modification시켰을때 효소의 활성이 저하되었다. 145번 histidine이 aspartate로 바뀐 돌연변이효소에서 비교적 느리게 활성이 저하되므로 145번 histidine이 이 효소의 active site에 있을것으로 추측된다.

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Role of p11 (S100A10) in Depression and Antidepressant Effects (우울증과 항우울작용에 관한 p11(S100A10)의 역할)

  • Park, Sung Woo;Seo, Mi Kyong;Lee, Jung Goo;Kim, Young Hoon
    • Korean Journal of Biological Psychiatry
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    • 제23권1호
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    • pp.24-28
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    • 2016
  • p11 protein (S100A10) is downregulated in depressive-like states of human and rodent. Antidepressant drug treatment increases p11 levels in rodent models. We reviewed studies demonstrating that p11 levels are regulated in depression and by antidepressant treatment and that p11 upregulation exerts antidepressant effects. Current studies on p11 underscore the importance of p11 as a potential antidepressant target.