明膠蛋白 的英文怎麼說
中文拼音 [míngjiāodànbái]
明膠蛋白
英文
gluten casein- 明 : Ⅰ形容詞1 (明亮) bright; brilliant; light 2 (明白;清楚) clear; distinct 3 (公開;顯露在外;不隱...
- 膠 : Ⅰ名詞1 (某些具有黏性的物質) glue; gum 2 (橡膠) rubber 3 (姓氏) a surname Ⅱ動詞(用膠粘) st...
- 蛋 : 名詞1. (鳥類或龜、蛇類所產的卵) egg 2. (像蛋形的東西) an egg-shaped thing 3. (辱罵之詞)
- 白 : Ⅰ形容詞1 (似雪的顏色) white 2 (清楚; 明白; 弄明白) clear 3 (空的; 沒加他物的) pure; clear; ...
- 明膠 : [化學] gelatin(e)
- 蛋白 : 1. (卵中透明的膠狀物質) egg white; albumen; gary2. [生物化學] (蛋白質) protein
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When an aqueous solution of the protein gelation is cooled, a polyer gel is formed.
蛋白質明膠水溶液冷卻時形成聚合體凝膠。Two protein peaks can be obtained by bio - gel p - 6 chromatography and both peaks have antimicrobial activity. so the bacteriocin is consisted of two proteins with different mw. only one protein with larger mw can be detected through tricine - sds - page, and its mw is about 8, 570da
採用30硫酸銨就能完全把發酵液中的細菌素全部沉澱,通過生物膠bio - gelp - 6層析發現細菌素被分離出兩條抗菌蛋白峰,這表明r21 - 4產生的細菌素是由兩種不同分子量的蛋白質組成的,通過tricine - sds - page檢測,只能檢測到一條分子量相對較大的細菌素,分子量在8 , 570da左右。In humans the cornea is clear, but it is more a thin, gelatinous layer of proteins and sugars than true cellular tissue
人類的角膜是透明的,但它只是薄薄一層由蛋白質與醣類構成的膠狀結構,而非細胞構成的組織。The contents of this studies include : 1 ) according to the researches on the correlation between the function and structure of the cmiv from bombyx - moxi before by others, especially by lixinlal in naigin normal university of china, we have designed and sythesized the mutation i of the gene of cmiv that was different from the natural cmiv about 50 % in amino sequence, using the favorable condon of the ecoli. after cheked the result of synthesis by sequence, we have cloned the gene into 3 " of the gene of thioredoxin in the thio - fusion expression vector ( ptxfus ), and the fusion protein of thio - cmiv was highly expressed in soluble form
本研究的內容包括:一、在前人對抗菌肽cmiv研究的基礎上,對n端和c端進行氨基酸保守變換,設計和合成了該基因,充分使用大腸桿菌偏愛的密碼子,並將該基因5端與硫氧還蛋白基因3端融合,通過ptxfus表達載體獲得較高可溶性表達(在15 sds - page膠上可見明顯的表達蛋白帶) 。Strain bl21, and gene expression was induced by iptg. the target proteins were directed into the periplasmic space by the staphylococcal protein a signal sequence preceding the rgd - hirudin gene. using ion exchange chromatography and gel filtration chromatography, the chimera proteins were purified, and both of them showed a single band in tricine - sds - page. the results of activity analysis suggested that these two chimera proteins not only have antithrombin activities, but gain platelet aggregation inhibitory activities as well
通過離子交換層析和凝膠過濾層分別對兩種嵌合體蛋白進行純化,純化產物在tricine - sds - page中都顯示為單一條帶。活性分析結果表明兩種嵌合體蛋白在保留水蛭素抗凝血酶活力的同時,還呈現抗血小板聚集活性。Mps inhibits various aggressive lysosomal enzymes that degrade important constituents of connective tissue, such as elastase ( degradation of elastin ), collagenase ( degradation of collagen ) and hyaluronidase ( degradation of hyaluronic acid )
Mps抑制了各種參與分解代謝的酶,這些酶用於降解結締組織的重要組成元素,如彈性蛋白酶(降解彈性蛋白) ,膠原酶(降解膠原)和透明質酸酶(降解透明質酸) 。Ip3 - ip3 receptor ( ip3r ) interaction mediates the release of ca2 + from the endoplasmic reticulum in response to many different extracellular stimulus. for higher plants, however, though it is now generally accepted that ip3 participates in signal transduction in many important cellular processes, only limited evidence is available for the presence and properties of the ip3r - like protein so far. here, using the immunological methods with an antibody raised against a mammalian inositol 1, 4, 5 - triphophate receptor ( type 1 ), we found that, 1 ) the antibody across - reacted the proteins with about 200kd in microsomes from oryza sativa and about 200kd from arabidopsis thaliana respectively
本實驗用sds - page電泳和免疫印跡的方法,用哺乳動物大鼠三磷酸肌醇受體的多肽做抗體對類三磷酸肌醇受體蛋白鑒定,結果表明:抗體與水稻和擬南芥微粒體蛋白分子量大約為200kd的蛋白交叉反應,同時還發現在水稻微粒體蛋白62kd和擬南芥微粒體蛋白45kd處有交叉反應的蛋白條帶存在,表明在植物中有類三磷酸肌醇受體蛋白的存在;用免疫膠體金方法,發現類三磷酸肌醇受體蛋白主要分佈於液泡膜和細胞質膜上。Nogo - 66 receptor, ngr, cloned in 2001, is a leucine - rich - repeat glycophosphatidylinositol - anchored membrane protein which mediates nogo - 66 inhibition of axonal outgrowth. both the long acidic amino - terminal domain and the nogo - 66 fragment have strong neurite growth inhibitory activity suggest that nogo - a has at least two inhibitory domains. northern blot, in situ hybridization, western blot and immunocytochemistry analyses show that in addition to oligodendrocytes, nogo - a mrna and nogo - a protein are also expressed in neurons in developing and adult brain and spinal cord, nogo - a is also found in peripheral organs such as heart and testis
Northernblot 、原位雜交、 westernblot和免疫組化結果證明: nogo amrna和nogo蛋白除了在cns的寡突膠質細胞中表達,還表達于發育階段和成年的腦、脊髓和外周神經節的某些神經元中,在外周組織如睪丸和心臟也有表達; nogoe在cns和pns以及多種外周組織中有廣泛分佈; nogo (除表達于腦和心臟外,在骨骼肌中有較高表達。Based on the extensive studies of subtilisin - like protease ( prl ) of metarhizium anisopliae, extracellullar serine protease is suggested to be a key enzyme involved in the fimgal penetration to invertebrates. the investigation of serine protease in the nematode infected by owvtl may help to understand the mechanism of nematophagous fimgi as biological control agents. a 3l kda serine protease was isolated and purified from the liquid culture of h rhossiliensis owvtl challenged with nematode panagrellus redivivus
本研究利用線蟲誘導下owvt - 1菌株液體發酵,通過粗分級分離、離子交換層析和凝膠過濾層析分離提純了一個分子量為31kda的絲氨酸蛋白酶,生物學測定表明其對大豆胞囊線蟲二齡幼蟲具有致死作用,同時測定了該酶理化特性,酶活力在75附近酶活力最高,隨著ph的增加酶的穩定性升高,與膽堿酯酶具有相似的ph曲線,對特異性底物aape ( suc - ala - ala - pro - glu - pna )具有作用, ssi和ci - 2抑制該酶的活性。Another finding here is the irregular pale tan plaques of collagen over the purple capsule known as " sugar icing " or " hyaline perisplenitis " which follows the splenomegaly and / or multiple episodes of peritonitis that are a common accompaniment to cirrhosis of the liver
此圖的另一表現是紫色被膜上遍及膠原的異常淡褐色斑塊,稱為「糖衣」或「透明蛋白性脾周炎」 ,它繼發于脾臟腫大和/或肝硬化常見並發癥腹膜炎反復發作。Sds - page results showed that there was a clear target protein band in mut + recombinant supernatant after 48 hours of culturing, while a faint band only in muts recombinant after 72 hours. western - blotting result showed that there was no remarkable difference of yield between mut + and muts recombinants after 6 days induced. anti - virus activity tests revealed that culture supernatants of mut + and muts recombinants could inhibit tmv infection with high efficiency in the same concentration and there was no significant difference between them
結果表明,誘導培養48小時后, mut ~ +重組菌株表達產物在sds - page膠上顯現出清晰的目的蛋白帶,而mut ~ s重組菌株培養72小時才能顯示微弱的目的帶; western - blotting雜交信號強度表明,同樣培養6天的mut ~ +和mut ~ s重組菌株表達產物在表達量上沒有明顯差別。There was no difference in other biologic characteristic of mscs between the two separation method, such as cell anchorage ratio and clone formation ratio. ( 2 ) plga film presented uniformity frame with no protuberance and fissure under scanning electron microscopy ( sem ). big aperture with smooth wall and average 400 m i n size running - through each other was observed in porous plga substrate, around the big aperture there were many round micropores about 5 m size. all of the structure were equal and uniform, which satisfied the further research work. ( 3 ) mscs adhesion at earlier time was promoted by biotiegenrafter 3h, cell number was ( 1. 5 0. 18 ) 105 in the plga film coated with biotiegen group, which was significantly higher than that in plga film group ( p < 0. 01 ) and higher than that in coverslip group ( p < 0. 05 ), which cell number was ( 1. 04 0. 21 ) 105. after 6h and 12h biotiegen could not promote cell adhesion, and cell proliferation and alkaline phosphatase ( alp ) activity were not promoted dramatically during 9 days. ( 4 ) cell adhesion was promoted by fibronectin or collagen type i
G ) i型膠原、纖維粘連蛋白促進細胞增殖,細胞接種后3 、 6 、 gd三個檢測時間點,實驗組細胞均明顯高於對照組。與1型膠原相比,纖維粘連蛋白刺激作用更強。 ) i型膠原、纖維粘連蛋白尚能誘導mscs細胞向成骨細胞分化,不僅表達成骨細胞標志物ocn 、 alp 、 opnmrna ,而且堿性磷酸酶活性明顯增高,堿性磷酸酶及鈣結節7第四軍醫大學博士學位論文一染色均強陽性, i型膠原組mscs細胞堿性磷酸酶活性較fn組更高,有顯著性差異;同時,兔疫組化染色表明,經纖維粘連蛋白作用的mscs1型膠原表達陽性。By sds - page and immuno - blotting, the monoclonal antibody of anti - chick brain cytoplasmic dynein intermediate chain could recognize the 67 kda protein in purified golgi apparatus fraction from lily pollen. subsequently by immuno - gold labeling and transmission electron microscopy, we found that the dynein intermediate chain - like protein bound mainly to the membranes of golgi - associated vesicles. statistics analysis of dynein intermediate chain - like protein on golgi - associated vesciles showed the nearly equal chance of distribution on either cis - or trans - golgi - associated vesciles
對分離純化的百合花粉及花粉管中高爾基體組分進行sds -聚丙烯酰胺凝膠電泳和免疫印跡發現,抗雞腦細胞質力蛋白中間鏈單克隆抗體在67kda處有較強的免疫交叉反應;進而通過免疫金標結合電子顯微鏡觀察發現,大多數類細胞質力蛋白中間鏈存在於高爾基體附近的囊泡膜上;統計結果表明,類細胞質力蛋白中間鏈在順面和反面高爾基體附近囊泡膜上的分佈機率大致相等。The cloning cdna fragment was extracted from positive clones and sequenced. the results showed that the cdna fragment was 816bp in size, encoding a protein which included 272 amino acids. the sequence homology analysis was carried out via the software blast 2. 0 network service in the four large databases - genbank, embl, ddbj, pdb, which had recorded 1 337 978 nucleotide and protein sequences. the results of the analysis indicated that the nucleotide homologous rates between the rubber tree etr and 15 recorded etrl of other plants ( mango, passion fruit, persia plum, strawberry, grape. . etc ) were 75 % - 80 % ; the protein homologous rates between the rubber tree etrl and these recorded etrl genes were 90 % - 95 %. from the results mentioned above, we could confirm that the cdna of rubber tree etrl had been cloned
從陽性克隆子中提取克隆片段,經序列測定分析,結果表明,克隆片段的cdna大小為816bp ,編碼的蛋白質包含272個氨基酸。基因序列通過blast2 . 0networkservice軟體對genbank , embl , ddbj , pdb四個大型數據庫中記錄的1337978條核酸和蛋白質序列進行序列相似性檢索,結果表明與芒果、一西番蓮、波斯梅、草毒、葡萄、西洋梨等15種已報道的植物的etrl基因cdnag的同源率為75 88 ;蛋白質氨基酸序列的同源率為90 95 ,表明本研究確實克隆到了橡膠樹etri基因的cdna序列。 4However, cartilage degenerative changes were found histologically and histochemically. 15 to 30 days after operation, under sem, articular cartilage surface showed collagen fibers network were exposed and broken, the typical degeneration changes of oa were observed histochemically and histologically
結果表明:術后5 10天時,在掃描電鏡顯示關節軟骨表面的膠原網架結構完整情況下,軟骨細胞及基質中蛋白多糖已有明顯變化。A page gel, stained by the petiodic acid - schiff ' s method to reveal glycoproteins, further displayed that the bindng - protein was a glycoprotein belonging to lectin, which contained 17. 4 % ( w / w ) neutral carbohydrate content of the glycoprotein detected by the phenol / h2so4 method. peptide mapping was comparable to the reported protein in protein bank. the database homology search ( ncbi blast ) indicated that the binding - protein shared 70 - 80 % homogeneity to l - aspartate oxidase, aspartyl / glutamyl - trna ( asn / gln ) amidotransferase subunit b, glutamyl - trna reductase, histidyl - trna synthetase
連續梯度聚丙烯耽胺凝膠電泳、 sds一聚丙烯酞胺凝膠電泳和等電聚焦的結果表明該蛋白分子量為1 「 . skda ,由二個相同的亞基組成,亞基分子量為」 . ikda ,等電點為8 . 25 .糖蛋白染色結合考馬斯亮藍染色的結果證實此結合蛋白是個糖蛋白,其中糖含量為17 . 44 % ,蛋白含量為82 . 56 % .凝集反應確定該糖蛋白也是一個凝集素Rubber tree ( hevea brasiliensis ) is an important economic woody - crop in tropical areas. its latex is the unique source of crude rubber used in current industry. because of its special and important use, the rubber tree has been extensively planted in tropical areas. increase production is always the main target in rubber tree cultivation. since the ethrel was applied in increasing latex production in 1968 for the first time as a chemical stimulant, not only the latex production had been increased largely, but also a new set of rubber tapping system had been established, leading to a series of economic benefit. owing to ethrel " s extensive application, its side effects had been found more and more obviously, such as tapping dry, speeding up senescence, shortening the life span of rubber tree etc. in order to overcome the side effects and increase production more availably, for a long time, people had carried out lots of research work on cell level, membrane level, physiology and biochemistry of laticifer contents. but the mech anism why ethrel increased latex production was not yet understood completely. this study had cloned the ethylene receptor gene ( efrl ) from rubber tree, and researched the relationship between etrl expression in laticifers and ethrel stimulation on transcription level and protein translation level. the results were as follows : 1
但是,由於乙烯利應用的普及,乙烯利刺激割膠引起橡膠樹發生死皮病及加速膠樹衰老,縮短膠樹壽命等副作用也越來越明顯。為了克服這些副作用,使乙烯利能更有效地刺激增產,長期以來,人們在細胞水平、膜水平和乳管細胞內含物的生理生化層面上進行了大量的研究,但仍未完全了解乙烯對膠樹的作用機制。本研究從分子水平入手,克隆橡膠樹的乙烯受體基因( etr1 ) ,並在轉錄水平和蛋白質翻譯水平上研究etr1基因在乳管細胞中的表達及與乙烯刺激的關系,取得了以下結果: 1The results of lauryl sodium sulfate - polyacrylamide gel electrophoreses ( sds - page ) of the aggregate precipitate and supernatant and the result of high - performance size - exclusion chromatography of the supernatant indicated that, by wrongly linked intermolecular disulfide bonds soluble bi - molecular and tri - molecular egg white lysozyme aggregate could be simultaneously formed except being renatured to native and active egg white lysozymes during the refolding procedure of denatured - reduced egg white lysozyme ; the aggregate precipitate could be further formed by the non - covalent bonds interaction between the soluble hi - molecular egg white lysozyme aggregates, and the soluble tri - molecular egg white lysozyme aggregate could still stay at the supernatant
沉澱和上清液的不連續十二烷基硫酸鈉聚丙烯酰胺凝膠電泳( sds - page )和高效凝膠排阻層析分析結果表明,還原脲變性蛋白溶菌酶在稀釋復性過程中除了能夠復性成天然態蛋白溶菌酶分子外,還會形成可溶的蛋白溶菌酶分子二聚體和三聚體,二聚體和三聚體主要是靠分子間二硫鍵的錯配連接而成的;可溶的蛋白溶菌酶分子二聚體之間通過非共價鍵相互作用而形成集聚體沉澱,而可溶的三聚體溶菌酶分子則仍處于復性液上清液中。Oat beta glucan can prevent the overoxidation of cell lipid, which caused by ultraviolet, and protect the cell from being damaged by uv, so that it can prevent skin ' s light ageing
實驗證明:具有醫藥效果的燕麥葡聚糖用於皮膚,能有效促進膠原蛋白的合成,對皮膚具有極好的抗衰老作用。Then using ecbp21 antibody and immunogold transmission electron microscopy method, we studied the subcellular localization of ecbp21. the results indicated that the gold particles were mainly localized in the cell wall in callus cells and rachis cells of angelica dahurica. these results indicated that ecbp21 mainly localized in cell wall, which provide a direct evidence of the extracellular existence of ecbp21. furthermore, using ecbp21 antibody and immunohistochemical method, we studied the organic specially distribution of ecbp21, the results indicated that ecbp21 distributed in all organize, but it distributed more in leave n flower rachis than in leafstalk and root
首先,構建了ecbp21表達載體,誘導了重組蛋白的表達,並通過膠回收法獲得了大量純化重組ecbp21蛋白,制備了高效價、高特異性抗體;隨后,利用ecbp21抗體,結合免疫膠體金電鏡定位技術進行了ecbp21亞細胞定位研究,結果顯示:在白芷愈傷組織細胞和花序軸細胞中金顆粒主要分佈在細胞壁區域,而在細胞內未發現或僅有少量金顆粒分佈,表明ecbp21蛋白主要定位於細胞壁區域,這為細胞外cambp ( ecbp21 )的胞外存在提供了直接證據:進一步,利用ecbp21抗體,通過免疫組織化學分析研究了ecbp21組織特異性分佈狀況,結果表明ecbp21在白芷各組織中均有分佈,但在葉、花、花序軸中分佈較多,而在葉柄、根中分佈較少。分享友人