【摘 要】
:
Shortening of the telomeric DNA at the chromosome ends is presumed to limit the lifespan of human cells and elicit a signal for the onset of cellular senescence
【机 构】
:
InternationalJointCancerInstitute
论文部分内容阅读
Shortening of the telomeric DNA at the chromosome ends is presumed to limit the lifespan of human cells and elicit a signal for the onset of cellular senescence. To continually proliferate across the senescent checkpoint, cells must restore and preserve t
其他文献
当下,音频产业和“耳朵经济”已经悄然崛起,活力勃发。广播是声音媒体,在发展“耳朵经济”中具备一定的先天优势。江苏广播在媒体融合的大趋势下,以持续创新为抓手,逐步实施
A tumor vasculature is highly unstable and immature, characterized by a high proliferation rate of endothelial cells,hyper-permeability, and chaotic blood flow.
克罗地亚总统候选人、首都萨格勒布市市长班迪奇日前在选举宣传活动中,大摆亲民姿态,亲吻选民的宠物狗,险些被咬伤。据称,事发时班迪奇双手钳住一头金毛猎犬的脖子强吻,宠物狗突然
During mitosis,the parent cell distributes its genetic materials equally into two daughter cells through chromosome segregation,a complex movements orchestrated
摘要:国家职业教育改革实施方案明确指出应当更加注重职业教育,通过提高学生的专业技能以及综合素养,从而为国家综合竞争力的发展提供人才资源支撑。对于一些具有学前教育专业的学校如何提高办学质量,培养出符合社会需求的高素质教师,不仅仅是当下学前教育发展的趋势,同时也是学校应当解决的问题。作为教师应当了解学前教育专业对于人才的需求,了解学校的实际办学情况以及学生综合素养具备的实际情况,只有这样才能够制定出合
线损问题会导致电力企业经济收益受到干扰,还会导致输配电设备出现运转失控状况,长期如此,不仅电力企业经济收益会大幅下降, 输配电质量也会随之失去保障,因此,电力企业开始
This review begins with a brief commentary on the diversity of placentation mechanisms, and then goes on to examine the extensive alterations which occur in the
将BIM应用于水利项目中,有利于提高工程设计水平,但BIM在水利项目建设中的应用必须与工程实际相结合,才能使水利建设质量不断 提高。期望通过本文的有效总结,能使水利工程设
Fewer than one million HIV infected individuals are currently receiving anti-retroviral therapy. Thelimitations of such treatment have underscored the need to d
研究了基于三相逆变器相电压占空比的简化的连续控制集模型预测电流控制。通过改进电压矢量的合成方式,保持和传统矢量控制方法相同控制性能的前提下,将电流预测计算的次数由