誘發劑 的英文怎麼說
中文拼音 [yòufājì]
誘發劑
英文
inductive agent-
Such pharmacologic agents as antidepressants, belladonna alkaloids, opiates, and oral contraceptives may induce pruritus, even without producing a dermatitis
藥物因素如抗抑鬱劑、顛茄生物堿、鴉片制劑、口服避孕藥甚至在不引起皮炎的情況下都可誘發瘙癢。The widespread use of x - ray in medical diagnosis and treatment for some diseases in the early 30 s without realizing its harmful effects led to cases of radiation dermatitis and chronic ulceration, eventually resulting in radiation induced cancers. following these, various radiation induced malignances surfaced one after another, drawing attention on the detrimental effects due to radiation
在30年代初期, x射線和放射性核素曾應用於治療某些疾病。由於病人累積過高劑量,曾誘發白血病和肝癌、骨癌等惡性腫瘤。其後種種因輻射而誘發的疾病相繼發現,引起了人們對輻射危害的關注。We have studied pharmacodynamics of valepotriates through observing its effects on the times of spontaneous motion in mice, the sleep time of sodium pentobarbital ( superthreshold doses ), sleep rate of sodium pentobarbital ( subthreshold doses ), the number of writhes induced by acetic acid and seizures rate of metrazol. the experiment results proved that valepotriates could significantly decrease the times of spontaneous motion, prolong the sleep time of sodium pentobarbital ( superthreshold doses ), enhance the sleep rate of sodium pentobarbital ( subthreshold doses ), reduce the number of writhes induced by acetic acid and reduce the seizures rate of metrazol, so it showed high central inhibition effect, thus offer scientific foundation for its further exploitation and utilization
通過研究蜘蛛香中總纈草素對小鼠自發活動的影響、對戊巴比妥鈉睡眠時間的影響、對戊巴比妥鈉閾下劑量的影響、對小鼠扭體反應的影響、對戊四氮誘發驚厥的影響發現:總顆草素能明顯抑制小鼠的自主活動,顯著延長戊巴比妥鈉致小鼠睡眠時間,明顯提高閾下劑量戊巴比妥鈉小鼠入睡數,對抗戊四氮誘發的小鼠驚厥,顯示出較好的中樞抑制作用,為蜘蛛香的進一步研究開發提供了科學依據。The first chemical mutagens to be discovered were the mustard gases used in world war i.
最初發現的誘變劑是第一次世界大戰所用的芥子氣。Similarly, the cellular response to the environmental mutagens is not always initiated by dna damage
同樣地,環境誘變劑誘發的細胞應答反應也不只是單純地由dna損傷所觸發的。Environmental mutagens can also induce mutations at undamaged sites and result in the so - called nontargeted mutation
環境誘變劑引起的突變也可發生在非dna損傷部位,我們稱之為非定標性突變( nontargetedmutagenesis ) 。However, environmental mutagens can also induce mutations at undamaged sites and result in the so - called nontargeted mutagenesis
但是環境誘變劑引起的突變也可發生在非dna損傷部位,它被稱之為非定標性突變( nontargetedmutagenesis ) 。Through measuring the value of infrared radiation when the complex decoy is burning, it is concluded that the complex decoy ' s energy of infrared radiation is much more than the substrate ' s. through researching the performance of microwave radar ' s transmission and refection within the band of 3mm and 8mm, it is proved that the interference with radar is feasible
在復合誘餌劑的性能測試方面:對制備出的復合誘餌劑燃燒時的紅外輻射展開研究,發現了復合誘餌劑的紅外輻射能量比基片的紅外輻射能量有很大的增加;開展了對3mm 、 8mm波段毫米波雷達的透射與反射性能試驗,證明了該誘餌劑干擾雷達波是可行的。Monofunctional alkylating agent n - methyl - n ' - nitro - n - nitrosoguanidine ( mnng ) is a widely spread environmental mutagen and carcinogen that targets dna and proteins to generate adducts. among the adducts, o6 - alkyl guanine is the predominant mutagenic lesion because of its mispairing properties, which can eventually lead to chromosomal aberrations, point mutations, and cell death. this lesion also appears to be involved in tumor initiation, particularly in gastric carcinogenesis
單功能烷化劑n -甲基- n -硝基- n -亞硝基胍( mnng )是一種在環境中廣泛存在的化學誘變劑和致癌劑,它能和dna及蛋白質等生物大分子形成加合物( adduct ) ,其引起的與突變有關的主要dna損傷類型是o ~ 6 -甲基鳥嘌呤,這種損傷與腫瘤尤其是胃癌的發生密切相關。Studies of genes related to heart development in drosophila contribute to reveal the mechanisms of human heart development and the congenital heart diseases. to clone and identify new genes that control the heart development, by a way of chemical mutagen, ems, we have established 1, 200 balanced - lethal lines on chromosome 2 and 3. with the screening the 330 stocks with immunochemical method using heart - specific antibody, mab. no. 3, we detected 60 lethal lines showing heart mutant phynotype
為了克隆和鑒定控制心臟發育的新基因,本研究利用化學誘變劑甲磺酸乙酯大規模地誘變果蠅,並且建立了1200個第二和第三染色體的平衡致死系,利用心臟組織特異抗體mab . no . 3對其中330個品系進行免疫化學方法篩選,觀察到有60個致死系表現出心臟突變表型, 20個品系的心臟突變表型有待進一步證實。Therefore, it is important to study the profiles of gene expression, which will help understand the global cellular stress responses to chemical carcinogens, and further elucidate the mechanisms of nontargeted mutagenesis
所以,從整體上研究烷化劑作用后細胞基因表達譜改變,對于了解化學致癌物誘發的哺乳動物細胞應激反應的全貌和揭示非定標性突變的發生機制具有非常重要的意義。In our laboratory, a unique mutation detection system using a shuttle vector plasmid has been established to demonstrate that a low concentration of mnng ( 0. 2 m ) can induce nontargeted mutation in mammalian cells : the mammalian cells were exposed to 0. 2m mnng for 2. 5h, then a shuttle plasmid pz189 carrying supf trna gene was transfected into cells after 24h culture. we found a 5 - fold higher mutation frequency of the plasmid replicated in pretreated cells than the spontaneous mutation frequency of the plasmid replicated in control cells. this kind of mutation did not occur immediately after mnng exposure
我們實驗室曾用一特殊的突變檢測系統,直接證明dna損傷劑可在哺乳動物細胞誘發非定標性突變:首先用低濃度( 0 . 2 m )的短壽烷化劑mnng (半壽期為1 . 1hr )處理細胞2 . 5h后,繼續培養24h ,將重組有用作突變檢測的靶基因supftrna基因的穿梭質粒pz189轉入細胞復制,發現在未受致癌物直接攻擊的穿梭質粒中有較自發突變率高5倍以上的靶基因突變。The purpose of this study is to compare the keratin profile in dmba - induced squamous cell carcinoma with that in normal hamster cheek pouch epithelium
摘要本篇是誘癌劑dmba所引發倉鼠頰囊袋之鱗狀上皮樣癌與正常囊代表皮中之角質蛋白之比較研究。Fluorescence in situ hybridization detection of chromosome translocations induced by 60co - rays in human lymphocytes dose - response curve and persistence
射線誘發人外周血淋巴細胞染色體易位率劑量效應曲線及易位的持續性研究Traditional oil adjuvants can induce local and general reactions like granuloma, abscesses or fever, but they depend on different parameters
傳統的油佐劑可能誘發局部或者全身的不良反應,例如肉芽腫瘤、膿腫和發燒。In 1945, government researchers realized that nitrates and nitrites, commonly used to preserve color in meats, and other food additives, caused cancer
1945年,政府部門的科研工作者了解到,被廣泛用於肉類以保持肉類色澤的硝酸鹽、亞硝酸鹽和其他的添加劑可誘發癌癥。The results were as follows : ( l ) the pre - incubation of pmr induced the exocytosis of the cortical granules ( cgs ) in the oocytes and reduced the quantity of the microvillus on the surface of oocytes ; ( 2 ) the matrix of cg might migrate to the surface of plasma membrane of oocytes after pmr pre - treatment. ( 3 ) incubation of zona - free hamster eggs with spermatozoa pretreated with pmr a ntiserum was associated with a dose - dependent significant reduction in the number of spermatozoa binding to the oolemma, compared with a contraband with a dose - dependent reduction of the fertilization rate and the penetration index. the results indicate that mr of human sperm plays an important role in sperm - oocyte fusion and oocyte activation
結果顯示: ( 1 )人精子mr能夠誘發去透明帶金黃地鼠卵母細胞中皮質顆粒的胞吐,並引起卵母細胞膜表面微絨毛形態和數量發生改變; ( 2 )皮質顆粒胞吐后,其內容物可結合到卵膜表面; ( 3 )抗mr抗血清預處理精子可抑制精子與卵子的結合與融合,使受精率、穿透指數和結合指數下降,並均有劑量依賴性。以上結果提示,人精子mr在受精過程中起重要作用,其主要作用可能是介導精-卵膜融合併促進卵母細胞的活化。Results the alcohol extract from the roots of salacia hainanensis could significantly reduce the blood glucose levels of the alloxan mice and the glucose - loaded mice, while had no hypoglycemic effect on the normal mice
結果海南五層龍根乙醇提取物的3個劑量組均能顯著降低四氧嘧啶誘發的高血糖模型小鼠的血糖,能明顯抑制葡萄糖引致的小鼠血糖的升高,但對正常小鼠血糖無明顯影響。In basis research, many researchers have tried to induce leukemia cell differentiation with drugs. interesting evidences are found during the course of these researches
在基礎研究方面,人們用各種誘導劑來誘導白血病細胞的分化以尋求在發病機制和治療方法上新的突破。Effects of ubiquitin proteasome inhibitor induced endoplasmic reticulum stress and apoptosis on dopaminergic neuron
泛素蛋白酶體抑制劑誘發多巴胺能神經元內質網應激反應及其凋亡的作用分享友人