dependent cell 中文意思是什麼

dependent cell 解釋
從屬細胞
  • dependent : adj. 1. 依靠的,依賴的。2. 從屬的,隸屬的,【語法】從屬的。3. 由…決定的。4. 下垂的,懸吊的。n. 1. 受贍養者,靠人生活的人。2. 扈從,侍從。3. 依存[從屬]物。
  • cell : n 1 小室,單室;隔間,艙;〈詩〉茅舍;(單個的)蜂窩,蜂房。2 〈詩〉墓穴,墓。3 (大修道院附屬的...
  1. Dendritic cells are characterized by their ability to efficiently present antigen, and are uniquely equipped to stimulate naive t cell responses. immature dendritic cells acquire antigens from throughout the peripheral body, then migrate to t - lymphocyte - dependent areas of lymph nodes. thus, dendritic cells act as bridges, operating at the interface of innate and acquired immunity

    作為機體免疫系統中功能最強的專職性抗原提呈細胞( antigen - presentingcells , apc ) ,樹突狀細胞( dendriticcells , dc )能高效地攝取、加工處理和提呈抗原,具有較強的遷移能力,並能顯著地激活初始型t細胞以啟動t細胞免疫應答反應,此外, dc與b細胞以及nk細胞等也存在著相互作用,可見, dc在連接天然免疫和獲得性免疫之間起著非常重要的作用。
  2. Cell proliferation and ca2 - calmodulin dependent protein kinase activation mediated by ? 1a - and ? 1b - adrenergic receptor in hek293 cells

    65 .張坦陳鳳榮張幼怡。腎上腺素受體的生物進化。
  3. The cell lost its autotrophic character and became dependent on added chemical energy sources.

    細胞喪失了自養的特性,變成依賴于外加的化學能源生活。
  4. As the cyclin dependent kinase, cdc2 may act at multiple levels during mitosis to repress ribosome biogenesis, which lead the biosynthesis to a relative silent phase, when the most of cell ' s energy expenditure is used in chromosome condensation, breakdown of the nuclear envelope, and formation of the mitotic spindle

    作為cyclin依賴激酶, cdc2的激酶活性在很大程度上抑制了細胞的合成代謝,使細胞的蛋白合成進入了一個相對的靜止期,而細胞主要的能量則被應用於細胞分裂時的染色體的濃縮、核膜的降解、紡錘體的形成等。
  5. The other is ferredoxin / thioredoxin system located in nonphotosynthetic tissue and cytosol of photosynthetic cell, which includes ferredoxin, ferredoxin dependent thioredoxin reductase, thioredoxin h. this two system constitutes important cellular redox regulatory system and can regulate the redox intercellular environment, metablism and signaling transduction

    另一個是nadp ( h ) -硫氧還蛋白系統,該系統是由h -型的硫氧還蛋白、 nadp ( h ) 、和依賴于nadp ( h )的硫氧還蛋白還原酶(一種黃素蛋白)組成。
  6. Protein kinase a is camp - dependent kinase, one of the most important signal transduction pathways, plays a pivotal role in growth, differentiation, tumor occur, cell cycle control, etc. pka activators such as camp, 8 - br - camp or phosphodiesterase ( pde ) inhibitor isomethyl butyl xanthine ( imbx ) or purified pka catalytic subunit all can inhibit germinal vesicle breakdown ( gvbd ) and meiotic maturation in mouse oocytes, also in xenopus oocytes

    蛋白激酶a ( proteinkinasea , pka )是依賴于camp的絲蘇氨酸蛋白激酶,是重要的信號傳導途徑之一,廣泛參與許多生命過程,包括生長、分化、腫瘤發生、細胞凋亡、細胞周期調控等。以小鼠卵母細胞為實驗對象,給予pka激動劑camp 、 8 - br - camp或磷酸二酯酶抑制劑imbx ( isomethylbutylxanthine )均可抑制小鼠卵母細胞的胚泡破裂及減數分裂成熟。
  7. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應( cqi ) ,並且測得積分干涉角,為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息,實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢,應用含時微擾理論的一級波恩近似,假想在分子束實驗的條件下,建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式,通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢,同時初步探討了實驗的正確觀測途徑,得出了採用分子束進行實驗觀測的實驗方法,為進一步進行分子束實驗提供了理論基礎,對實驗的進行起到了一定的借鑒作用
  8. Nci - h1155, a human non - small - cell lung cancer line, was employed in a paclitaxel - dependent synthetic lethal screen designed to identify gene targets that specifically reduce cell iability in the presence of otherwise sublethal concentrations of paclitaxel

    Nci - h1155作為一種人類非小細胞肺癌的種株,可運用其在依賴紫杉醇殺傷性藥物合成過程中設計鑒別出靶基因,從而特異性減少未達到殺傷性致死量的紫杉醇藥物作用后腫瘤細胞仍存活的數量。
  9. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  10. Biological activity was determined by egf dependent balb / c 3t3 cell line and with mtt colorimetric assay. extracts of the recombinant virus - infected and mock - infected cells, haemolymph of the recombinant virus infected and mock - infected silkworm larvae could all support the proliferation of balb / c 3t3 cell. this phenomena implied that there were some egf - like growth factors in the haemolymph of normal silkworm larvae, which could enhance the proliferation of the cell line

    用小鼠balb c3t3成纖維細胞和mtt法測定表達產物的促細胞增殖作用,發現重組病毒感染家蠶細胞72小時的胞內樣品與正常家蠶細胞裂解物,以及重組病毒感染4天的蠶血淋巴與正常蠶血淋巴均具有相似的促細胞增殖作用,甚至野生型病毒感染的細胞裂解物和蠶血淋巴也有一定的細胞促生長作用,提示家蠶系統本身可能含有能促進細胞生長、類似於egf的細胞因子。
  11. The membrane properties were found to be dependent upon the content of styrene. the membrane physic - chemical properties compare to nafion 117 except that their chemical stability has to be further improved to make them acceptable for practical use in the proton exchange membrane fuel cell. the proton transport through the membrane follows the " liquid - like " proton conductivity mechanism y and the water balance is important for the working condition of the fuel cell

    對磺化膜的研究分析表明:膜的性能參數如離子交換容量、吸水率、水合系數、形體穩定性、導電性能、化學與熱穩定性等依賴于膜中苯乙烯含量,且接枝苯乙烯相互間的位阻效應對膜性能影響很大;膜的性能可與nafion膜相比較;質子在膜中的傳導遵循「似液體」質子傳導機理;電滲析與擴散作用使膜保持水平衡。
  12. Topics include : neural induction and pattern formation, cell lineage and fate determination, neuronal migration, axon guidance, synapse formation and stabilization, activity - dependent development and critical periods, development of behavior

    主題包括:神經誘導和模式形成,細胞譜系和細胞命運確定,神經元遷移,軸突引導,突觸的形成和穩定性,依賴性活動的發育和危險期,行為的發育。
  13. Tumor cell - derived exosomes containing tumor antigens and mhc class i molecule could present tumor antigens to dcs and induce cd8 + t cell - dependent antitumor immune responses significantly

    其含有mhc類分子和lamp - 1 ,能夠將腫瘤抗原呈遞給抗原遞呈細胞,產生顯著的cd8 ~ + t細胞依賴的抗腫瘤免疫反應。
  14. Cell adhesion to surface of the substrate is essential to development of the anchorage - dependent cells. only after adhering to surface followed by spreading can cells develop and proliferate. most synthetic polymers used as orthopaedic matrix substitute present hydrophobicity, which may correlates to the low degree of cell attachment. modification with cell adhesion protein / peptides can be benificial to the cell adhesion on polymers and then affect the cell proliferation and differentiation. cell attachment to substrate is primarily mediated by integrins, a widely expressed family of heterodimeric surface receptors. most extrcellular matrix proteins such as fibronectin, osteopontin, collagen type i, bone sialoprotein and vitronectin contain an arg - gly - asp ( rgd ) sequence which is specific to the fixation of cell membrane receptors like integrin. the main aim of this research is to measure, assess adhesion, proliferation of rabbit marrow stromal cells ( mscs ) on the polymers coated by fibronectin, collagen type i or biotie gen, which includes : ( 1 ) biologic characteristics of rabbit mscs were observed by two types of separating method in primary culture. ( 2 ) adhesion, proliferation and differentiation of mscs cultured on polymers coated with biotiegen were assessed. ( 3 ) also, adhesion, proliferation and differentiation of mscs were assessed on plga film or porous plga substrates coated with fibronectin, or collagen type i respectively. ( 4 ) bone formation was observed on the porous plga substrates coated with collagen type i in vivo. this research aims to give new way to make novel synthetic bone with cell adhesion and high bone induction capabilities

    因此將這些蛋白包被、固定到材料表面,觀察骨組織工程種子細胞mscs細胞的粘附、生長特性是本研究的中心環節,並從以下方面進行探討: ( 1 )採用不同原代細胞分離方法,研究其對mscs細胞的生物學特性影響。 ( 2 )檢測基因勝肽膠對mscs細胞粘附、增殖及分化的影響。 ( 3 )分別採用型膠原及纖維粘連蛋白( fibronectin , fn )包被聚乙醇酸-乳酸共聚物( poly ( 1actide - co - glycolide ) , plga )膜及多孔塊型plga材料,觀察細胞在單層或三維培養狀態下,型膠原及fn對mscs細胞粘附、增殖及向成骨細胞分化效應及能力。
  15. Several genes and cytokines take part in the accommodation of these changes and influence the severity of brain injury, such as tumor necrosis factor a, bel - 2 gene family and ced gene family ( cystein - dependent aspartate - specific protease, caspase ). they are all has relationship with cell death after tbi and control the different cascade of cell death. there are two kinds of cell death after traumatic brain injury ( tbi ) that is necrosis and apoptosis

    腦外傷后腦組織發生的這些改變由許多基因、細胞因子參與調節並影響著損傷程度,除腦水腫外,腦損傷程度主要取決于細胞因子,這些因子包括腫瘤壞死因子- ( tumornecrosisfactor - , tnf - ) , b細胞淋巴瘤白血病- 2 ( b - celllymphoma leukemia - 2 , bcl - 2 )基因中的bcl - 2 、 bax , ced基因家族中的半胱天冬酶( cystein - dependentaspartate - specificprotease , caspase )等,它們都與腦損傷后的神經細胞死亡有關,控制著引起細胞死亡的不同層面。
  16. This expression vector plbcas - hsa - lgl has the following advantages : i ) the 1. 7kb promoter is able to drive cell - specific and hormone - dependent expression ; ii ) the inclusion of intron - 1 can increase expression level of fusion genes ; iii ) the 5 ' utr of bovine p - casein mrna may have a positive role in both transcriptional and post - transcriptional regulation ; iv ) the gfp gene make the selection of positive clone among embryos possible ; v ) the gfp gene can be easily excised via cre - mediated recombination between the two loxp sites after the expression vector has been integrated into chromosome ; vi ) the two incompatible lox sites, loxp and lox2272, would facilitate cre - recombinase mediated cassette exchange ( rmce ), which in theory will leading to develop a technology of site - specific gene expression in animal mammary glands

    該載體的特點是:具有可以調控外源基因在乳腺中特異表達的牛-酪蛋白基因5 `端側翼區和包括第一外顯子及內含子在內的5 `端調控區;將人血清白蛋白cdna準確地置於牛-酪蛋白基因第二外顯子中的翻譯起始密碼子atg之後,而且沒有增加額外的序列和使人血清白蛋白cdna移碼;引入標記基因gfp ,便於在胚胎期鑒定陽性胚胎,減少受體;引入cre lox重組系統: ( ? )標記基因gfp的兩端的兩個loxp位點可以在表達載體整合到基因組后,刪除標記基因; ( ? )餘下的一個loxp位點可以和前面的lox2272位點組成cre重組酶介導的盒式交換系統。
  17. Icso values of tps and egcg against d6 and wi - 38 are 71. 1 u g / ml, 1786. 7 u g / ml and 58. 6 u g / ml, 2177. 4 u g / ml respectively. lower concentrition of tps and egcg increased the number of wi - 38 and higher concentrition of tps and egcg also can inhibit the growth of wi - 38 cell and is concentration - dependent

    Egcg作用d6細胞后採用hoechst33258熒光染料染色並且在熒光顯微鏡下觀察,發現隨egcg作用濃度的增大,細胞出現染色體邊集、 dna斷裂、染色質環化等現象,而對照細胞的細胞核質呈現均一的顏色。
  18. The basic function of the na, k - atpase is to maintain the high na and k gradients across the plasma membrane of animal cells. it has an important role in regulating the cell volumn, cytoplasmic ph and ca2 + levels through the na + / h + and na / ca exchangers, respectively, and in driving a variety of secondary transport processes such as na + - dependent glucose and amide acid transport

    鈉鉀atp酶是維持生物體功能的最基本的酶之一,它通過形成細胞內外鈉鉀離子的濃度遞度來維持細胞膜靜息電位、滲透壓的穩定、營養物質的主動運輸與吸收等多種生理功能。
  19. Cyclins help control progress through the various stages of the cell cycle by activating protein kinases ( cyclin - dependent protein kinases )

    它可以通過激活蛋白激酶來調節細胞周期中各個階段的進行(細胞周期蛋白依賴性的蛋白激酶) 。
  20. With the increase of passage, the total of colonies decreased, but the number of classical nest - like or island - like eg cell colonies relatively increased. the growth of eg cells was dependent on the feeder layer

    傳代培養的eg細胞對飼養層有依賴性, icr品系小鼠pgc細胞和由其傳代后獲得的eg細胞呈明顯的群聚性,以單個存在狀態的較少
分享友人