Objective to investigate the possibility of applying the DNA double strand break and apoptosis of lymphocytes to biological assay in radiation injury.
目的探讨受照后淋巴细胞DNA双链断裂和凋亡作为放射损伤生物学检测指标的可行性。
Each messenger is an edited copy of one strand of the DNA double helix.
每个信使都是DNA双螺旋中一个单链的复制品。
Moreover, exogenous agents, such as ionizing radiation and some chemicals can result in chromosome translocation and tumorigenesis because of their role on induction of DNA double strand breaks.
此外,外界因素,如电离辐射和某些化学药物等因素使DNA双链断裂,也可能导致染色体转位和癌变。
DNA double strand breaks are among the most dangerous lesions that can occur in the genome of mammalian cells.
DNA双链断裂是发生在哺乳动物细胞基因组水平上最严重的损伤。
Conclusions: 1. PFGE is a sensitive method in analyzing fragmentations of DNA double strand breaks.
结论1。脉冲场电泳是分析DNA双链断裂的敏感方法。
Different techniques are available with different sensitivity to detect DNA damages such as double strand breaks, single strand breaks, delay DNA repair sites and alkali labile sites.
目前采用的彗星实验有多种,可以检测诸如dna双链断裂、单链断裂、碱不稳定位点等多种类型的DNA损伤。
Foreign gene (double stranded DNA) is maybe integrated in different DNA strand of the same chromosome as an exon. The first generation of transgenic fish is Mosaic.
外源基因(双链dna)作为外显子可能整合在一条染色体上的不同dna链上,转基因鱼的第一代为嵌合体。
By increasing SIRT6 levels, cells were able to stimulate their ability to repair double strand breaks.
增加SIRT6的水平,就能够激发细胞对双链断裂的修复能力。
The NBS1 is a component of the MRE11/RAD50/NBS1 complex (MRN) and plays a critical role in the DNA double strand break (DSB) repair and the maintenance of chromosomal integrity.
NBS1作为MRE11/RAD50/NBS1复合物的组分之一,是细胞应答DNA损伤的一个关键蛋白质,在DNA双链断裂修复和维持基因组稳定中发挥重要的作用。
Cellular aging is linked to deficiencies in efficient repair of DNA double strand breaks and authentic genome maintenance at the chromatin level.
细胞衰老与DNA双螺旋断裂后不能有效修复并在染色质水平维持可靠的基因组有关。
Detecting DNA double-strand breaks(tail moment, TM) after radiation with neutral single cell gel electrophoresis.
用中性单细胞凝胶电泳方法检测辐射后DNA双链断裂(尾矩)。
In this experiment, DNA double strand breaks induced by heavy ions in the early period were investigated with atomic force microscopy (AFM).
本实验旨在用原子力显微镜(afm)研究重离子辐射后早期的DNA双链断裂。
The results showed that BK chromosomes reveal a multiple double strand helical structure.
观察到BK染色体具有多级双股螺旋结构。
It has linear double strand DNA, icosahedral - capsid and envelope.
其核酸结构为线状双股dna,衣壳为二十面体对称,有囊膜。
It has linear double strand DNA, icosahedral-capsid and envelope.
其核酸结构为线状双股dna,衣壳为二十面体对称,有囊膜。
DNA double-strand break is probably the most lethal attack, with as little as one unrepaired DSB being capable of triggering programmed cell death.
DNA双链损伤是已知的最严重的细胞损伤,只要有一处未被修复的DSB就能引发程序性细胞凋亡。
The feeding system from coil of this model , for single or double strand, by means of two motorized and braked pay-offs, is controlled by computer to adjust the feeding speed.
本机型配有两个放线架,可适合于单线和双线加工,由计算机控制、电机驱动和制动来调节放线速度。
These researches mainly include:clonogenic cell survival, chromosome damages and double-strand breaks of DNA.
这方面研究主要包括克隆细胞存活、细胞染色体畸变和细胞DNA损伤等。
Objective To observe the consistency of DNA double-strand break between in vivo and in vitro irradiation, as a prophase study in radiation biodosimetry using single cell gel electrophoresis(SCGE).
目的探讨整体照射与离体照射导致小鼠淋巴细胞DNA双链断裂的一致性,作为单细胞凝胶电泳技术应用于辐射生物剂量学的前期研究。
Conclusion:ACL reconstruction by knot-impinged double-strand hamstring tendon has satisfactory biomechanical properties in vitro and is an available method to repair the injury of ACL.
结论:肌腱结在骨性隧道内的嵌压具有良好的生物力学性能,可以满足前交叉韧带重建的生物力学需要。
DNA-PK plays a major role in the repair of double-strand breaks (DSB) induced in DNA after exposure to ionizing radiation.
DNA PK在DNA暴露于电离辐射后诱导的双链损伤修复中起主要作用。
The results showed that the DR's DNA double strand break damage caused by heavy ion beams could be repaired through culture, and the repairing time extended as the increment of radiation dose.
结果表明,抗辐射菌经重离子射线照射后所引起的DNA二条链的切断损伤经过培养能被修复;切断的DNA二条链的修复时间随着照射剂量的增加而延长;
The damage, known as inter-strand crosslinks, occurs when the two strands of the double helix are linked together, blocking replication and transcription.
这种损伤被称为链间交联,通常发生在双螺旋的两根链连接的时候,能抑制DNA复制和转录。
Jenny Allen, a 38-year-old fundraiser from West Virginia, wore a laminated picture of her great aunt, an elegant lady in a double strand of pearls who fought for civil rights years ago.
一位38岁来自西弗吉尼亚的基金投资者JennyAllen带来了他老姨的一张薄板画,该位优雅的女士佩带两串珍珠,已经为公民权奋斗多年。
This paper describes the optimal design for the rocker mechanism of multi-strand and multi-roller cold tube-rolling mill with balancing method of double-noses.
本文讨论了具有双机头平衡方式的多线多辊式冷轧管机摇杆机构的优化设计。
Pay-off strand, stranding cartage, compact die stand, counter meter, double draught wheels, take up and traverse device, mechanical transmission system and electrical control system.
放线架、各段绞笼体、线模座、计米装置、双轮牵引装置、收排线架、传动系统和电控系统。
Pay-off strand, stranding cartage, compact die stand, counter meter, double draught wheels, take up and traverse device, mechanical transmission system and electrical control system.
放线架、各段绞笼体、线模座、计米装置、双轮牵引装置、收排线架、传动系统和电控系统。
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