脂轉染 的英文怎麼說

中文拼音 [zhīzhuǎnrǎn]
脂轉染 英文
lipofection
  • 脂 : 名詞1. （動植物所含的油質） fat; grease; tallow 2. （胭脂） rouge 3. （姓氏） a surname
  • 轉 : 轉構詞成分。
  • 染 : Ⅰ動詞1 （用染料著色）dye 2 （感染） catch [contract] （a disease） 3 （沾染） acquire （a bad hab...
  1. We generated a recombinant eukaryotic gene expressing vector harboring a full - length hgh gene, 2. 4 kb genomic dna with four introns and the signal peptide sequence cloned to the eukaryotic gene expressing vector pcdna3. 0

    我們直接將含有4個內含子和自身信號肽的2 . 4kb全長人生長激素基因直接克隆至真核表達載體pcdna3 . 0 ，然後利用脂質體轉染家蠶bmn細胞，瞬時表達hgh 。
  2. Different amount of copies in different tissues attribute to the different density of positive signals. the result of the experiment suggested that the transgenic animals can be produced by spermatozoa - mediated gene transfer after the entrapment of liposome. and because the exogenous dna occurs losing the segments. partly integration, or existin g outside of genome dna, the rate of chimerism is relatively high

    結果表明： （ 1 ）脂質體包裹外源基因轉染精子的方法，可將外源基因導入受精卵中，能夠獲得轉基因動物，並得到了較高的轉基因陽性率； （ 2 ）精子攜帶的外源dna的整合過程是隨機的，在受精過程和胚胎早期分化過程中可能發生了片段丟失、不完全整合或游離于基因組存在而產生嵌合體。
  3. In this study, the recombinant fowl - poxvirus was transfected into expressing the vp3 gene of isolated gpv h1 strain into the cef cells with fpv - 017 by liposome, which have the lacz reporter gene, earlier / latter promoters lp2ep2 of fpv, promoters p7. 5 and p7. 1 of vaccinia virus, replication unnecessary region of fpv - 017. following 6 cycles screenings, clonings, purification of blue plaques, detection of pcr and dot - elisa, which verified the genetic stable vp3 - fowlpox virus recombinant constructed successfully. this study provided the theoretical and practical foundation for development of gpv recombinant fowl - poxvirus genetic engineering vaccine, as well as provided substance preparatory for prevention the high mortality gpv

    本研究採用脂質體轉染方法，將含有完整gpvh1分離株vp3基因、報告基因lacz 、禽痘病毒早晚期啟動子lp2ep2 、痘苗病毒啟動子p7 . 5 、 p11和fpv - 017復制非必須區的轉移載體質粒psy681vp3lacz與fpv - 017共轉染雞胚成纖維細胞，經6輪蝕斑克隆、篩選、表達， pcr鑒定和dot - elisa檢測，證明該重組病毒已構建成功，並獲得了遺傳性狀穩定的鵝細小病毒vp3基因的重組禽痘病毒。
  4. Recombinant fpvs were selected and purified by blue plaques expressing 3 - galactosidase. the expression of foreign genes in rfpvs were confirmed by ifa. trails for evaluating protective efficacy of rfpvs against very virulent mdv or aiv challenge

    純化后脂質體轉染，藍斑篩選純化得到穩定的重組病毒rfpv - ps - ha - pe / l - f ，間接免疫熒光法證實， ha基因和f基因同時得到了表達。
  5. In order to study the function of cycling2 in vitro culturing cell line, we used pires - g2 eukaryotic expression vector transfecting human gastric cell line sgc - 7901 and human embryo kidney hek - 293 cells by lipofectamine plus reagent, and studied the function of cycling2 expression on the cell proliferation in vitro, further investigated the regulation mechanism of cycling2. at the same time, we made a study on the expression level change of cycling2 in normal gastric tissue and different type and different stage of gastric carcinoma tissue. material and method 1 material : piresneo vector was purchased from clonetech, plasmid extraction and purification kit was purchased from qiagen company ; rpmi 1640, dmem fetal calf serum were obtained from gibco / brl ; lipofectamine plus and g418 were purchased from life technologies ; ultrasensitive ? s - p kit, mouse monoclonal antibody p21wafl ( in use ), dab staining kit were purchased from maixin company

    實驗材料與方法1 .實驗試劑高糖dmem 、 rpmll640和胎牛血清購自美國g山eo / brl公司; dmewf12 （ 1 : 1 ）混合培養液購自美國hyclone公司;胰蛋白酶購自美國si目叮a公司; hepes由美國amersco公司分裝;脂質體轉染試劑（ upofectalnineplusreageni ）和以18為美國玩vitrogen公司產品; piresneo載體購自美國cloneteeh公司;質粒提取及純化試劑盒購自德國qiagen公司; ultresensitive翎s一p免疫組織化學試劑盒;鼠單克隆抗體戶3 （ do一7 ）蛋白（即用型） ;鼠單克隆抗體p21waf ， （即用型） ; dab染色試劑盒均購自福建邁新公司;鼠單克隆抗體pziwa曰（濃縮型） ;辣根過氧化酶標記羊抗鼠二抗購自北京中山公司; ecl試劑盒購自美國santacruze公司; dcproteinassay試劑盒購自bi 。
  6. Methods the adult - and embryonic - nicotinic acetylcholine receptors were heterologously expressed in hek293 cells and activated to maximal currents by the application of acetylcholine ( 100 m )

    方法通過脂質體轉染法在hek293細胞表達成人型和胎兒型乙酰膽堿受體。
  7. Finally, a tranfer vector named as pltk - ha was constructed based on pltk - uni with insertion of ha gene of h3 subtype srv. the pltk - ha and prv bartha - k61 genomic dna were co - transfected into 50 - 70 % confluent vero cells in 6 - cm dishes. based on the expression of lacz gene, recombinant prv were selected and purified by blue - colored virus plaque

    利用脂質體介導的方法，將pltk - ha與prvbartha - k61基因組共轉染于亞單層vero細胞，依據報告基因lacz在細胞中的表達，篩選藍色蝕斑的重組病毒，經數次蝕斑純化后， pcr鑒定、 western - blot分析。
  8. 2. construction of chimeric mtb8. 4 / hil - 12 eukaryotic expression plasmid ( 1 ) construction of pci - neo - mtb8. 4 - linker ( pml ) and pci - neo - ms - linker ( pmsl ) mtb8. 4 - linker and ms - linker gene ( without stop codon ) were pcr amplified by using two oligonucleotides designed to generate nhe i and mlu i restriction sites at the 5 " and 3 " ends of the amplified fragments, respectively

    3 .重組質粒在真核細胞中的表達: pm 、 pms 、 pmi和pmsl重組質粒用lipofectaminatmzo0o脂質體轉染試劑轉染cos一7細胞，進行瞬時表達， 48小時后，用rl 』 - pcr檢測目的基因在mrna水平的表達;用westemblotting檢測hil一12在蛋白質水平的表達。
  9. The plasmids pci - mbl54 containing full length of mutations mbl cdna were propagated hi escherichia coli xl - 1 blue, then the extracted and purified pci - mbl54 were used to transfect dhfr ( - ) chinese - hamster ovary ( cho ) cells. after screeened with g418 and cloned, 4 g418 - resistent clones were randomly selected for detection of mrna expression by rt - pcr and molecular beacons. it was found that all of the 4 positive cell clones expresse mbl analogue as detected in transcription level

    抽提、鑒定、純化重組質粒后，脂質體轉染法將重組質粒導入中國倉鼠卵巢細胞（ cho - dhfr ~ - ）中， g418選擇轉染子並克隆化培養，經rt - pcr和分子燈塔探針雜交鑒定其mrna轉錄，獲得4株穩定表達54位密碼突變型mbl的cho細胞。
  10. After obvious cytopathogenic effects developed, virus - contained supematants were harvested, and the progeny viruses were screened for lacz - expressing viruses by a plaque assay using x - gal. single blue plaques were picked, and a recombinant prv stably expressing lacz gene ( designated as rprv - lacz ) was obtained after ten cycles of plague purification and pcr identification. the results showed that the lacz gene expression cassette was stably expressed in the recombinant rprv - lacz derived from bartha - k61 strain

    該載體與具有高度感染性的bartha - k61株基因組dna通過脂質體加plus法共轉染vero細胞，採用甲基纖維素固定病變， x - gal染色，經過10代藍斑純化獲得了一株穩定表達lacz基因的ge tk基因缺失突變株，命名為rprv - lacz 。
  11. The recombinant was identified by dual enzyme digestion and the direction of cd40 / pcdna3 was analysed with t7 primer. after being packed by lipofectaminetm2000, the recombinant was transfected into b lymphocytes. cd40 expression on membrane, cell proliferation and antibodies concentration were detected with flowcytometry, mtt colorimety assay and el1sa, respectively

    以脂質體為介質瞬時轉染健康人及sle患者b細胞系，利用流式細胞技術檢測膜cd40的表達情況，並利用mtt比色法檢測細胞的增殖能力， elisa法檢測培養液的ig濃度，以研究b細胞在cd40被抑制以後增殖能力、抗體分泌的改變。
  12. In this experiment hcv structural gene was amplified by polymerase chain reaction ( pcr ), and was inserted into baculovirus expression vector pfastbacl to construct a recombinant transposing vector pfbl - cee. the plasmid pfb 1 - cee was transformed into dh1 obac competent e. coli cells. high molecular weight dna was prepared from the overnight cultures from the selected e. coli colonies, which was recombinant baculovirus shuttle vector containing hcv structural gene, named bac - cee

    本實驗用pcr擴增hcv結構區基因，克隆到桿狀病毒表達載體pfastbacl中，構建成重組轉座載體pfb1 - cee ，轉化dh10bac大腸桿菌感受態細胞，篩選陽性菌落，抽提大分子質粒dna ，獲得含hcv結構區基因的重組桿狀病毒穿梭載體bac - cee ，脂質體介導轉染sf9昆蟲細胞，出現細胞病變后，收集含有重組桿狀病毒顆粒的培養上消，重新感染sf9細胞，收集sf9細胞，進行12 . 5 sds -聚丙烯酰胺凝膠電泳，可見表達的蛋白條帶。
  13. Gfp expression was monitored using a fluorescence microscope. the result showed that the fusion gene was expressed at a low level

    利用脂質體轉染的方法在美國棉鈴蟲細胞hz中表達了gfp - actin融合基因。
  14. Objectives firstly to prepare the vaccine of human dcs and tumor cells transfectde with pcdna3 - cea, and to observe the induction of carcinoembryonic antigen ( cea ) - specific cytotoxic t - lymphocyte responses in vitro

    用脂質體將cea表達質粒轉染人dc ，觀察其對cea表達陽性的腫瘤的特異性免疫作用。
  15. Another 561 bp fragment of the orf of p22 gene was amplified by pcr, and digested by pst1 and xba 1. the amplified fragment was cloned into pbudcfal to construct the recombinant plasmid pbudce4. 1 / p22. then transfected it into the murine macrophages by using lipofectamine, the expression of p22 - mrna in the transfected macrophages was identified by rt - pcr

    同時擴增p22編碼基因orf的全長561bp片段，經pst 、 xba雙酶切后，定向克隆于質粒pbudce4 . 1 ，構建真核重組重組表達質粒pbudce4 . 1 / p22 ，通過脂質體介導轉染入小鼠巨噬細胞raw264 . 7 ，以rt - pcr方法鑒定目的基因在巨噬細胞中的表達。
  16. This study we acquired the coding region of hcv ns5b gene by pcr of hcv full length genome and construct the recombinant plasmid pegep n3 - ns5b ; with the different concentration of g418 in the culture medium, we think the selection concentration of g418 for hepg2 cell is 800 g / ml ; the recombinant plasmid was transfected into hepg2 cell by lipofectamine2000 cells containing stable transformants were selected by the ability of resistance to g418 and isolated with the limited dilution. the stably transfected cell line expressing ns5b - egfp fusion protein was obtained by the detection under fluorescence microscope and rt - pcr

    本研究首先從hcv基因組中擴增出nssb基因，構建了nssb基因與報告分子egfp （增強型綠色熒光蛋白）基因的融合基因真核表達質粒pegfpn30 ；通過含有不同g418濃度梯度的培養液培養hepgz細胞，確定了篩選用g4181作濃度為800pg ml ；利用脂質體法將該重組質粒轉染hepgz細胞，經過有限稀釋法和g4壓力選擇，應用熒光顯微鏡和rtpcr檢測，獲得可穩定表達nssbegfp融合蛋白的hepgz細胞克隆。
  17. Using the superfect reagent, in vitro cultured hela cells were introduced with external plasmids

    利用脂質體superfect介導的轉染方法將外源質粒導入體外培養的hela細胞。
  18. Multiple kinase assay was performed to examine pkc ^ mapk. tpk activity in the transfected cells. meantime, pegfp - sh2a vector was also constructed and the cells transfected with it were examined by fluorescent microscopy. the expression of sh2a gene was examined under different concentration and time of bfgf as a stimulating factor

    1 sh ，利用脂質體轉染肝癌bel7402細胞人os7細胞，檢測pkc 、 mapk 、 tpk活性的改變；流式細胞儀檢測細胞增殖；另構建pegfp sh ，轉染細胞，熒光顯微鏡觀察熒光定位； bfgf作為刺激因素處理細胞，根據不同濃度、時間檢測sh基因表達情況。
  19. These results are very important for us to further understand the genetic background, biological characteristics, evolutionary rule and the anti - schistosomajaponicum mechanism of microtus fortis at the molecular levels. the specific base changes of the dna fragme nt between the two subspecies are probably correlative with the animal immigration, survival conditions, and species evolution. the cdna library of microtus fortis bone marrow cells was transferred in situ to nylon membrane, which was divided into eight equals ( ga ~ - gh )

    利用已經建立的東方田鼠骨髓細胞質粒cdna文庫，將cdna文庫轉化菌落印跡至尼龍膜，將膜均分成8份（ ga gh ） ，制備基因池，分別培養、提取基因池質粒dna ，通過lipofect - 2000脂質體轉染技術，將基因池質粒dna導入hek293細胞， 48h后收集轉染細胞上清液，即條件培養基。
  20. Sds - page and westen - blotting validated the expression of pp24. the expressed specific band was excised from the gel and injected into mice once two weeks for 5 times, then we collected the antiserum from the mice and used it for ifa with chicken embryonic fibroblasts ( cef ) infected by mdv mdll, cvi988 and ga strains respectively. the positive straining was found in the mdv plaques, which shows the in vitro expressed protein of pp24 has some epitopes of mdv

    將型mdvmd11株的pp38基因和pp24基因的完整orf分別克隆入真核表達載體pcdna3 . 1 / zeo （ + ）中，重組質粒pcdna3 . 1 - pp38和pcdna3 . 1 - pp24在脂質體作用下分別轉染cef ，在轉染后24 、 48 、 72小時，用單抗h19和pgex - pp24原核表達產物制備的抗血清分別對pcdna3 . 1 - pp38和pcdna3 . 1 - pp24轉染的cef進行ifa檢測，結果檢測到了pp38和pp24在cef中的表達，該試驗也使pp24基因在原核和真核系統中的表達得到了相互驗證。
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