Although some diseases occur when both copies of a gene are mutated , mutation of just one copy of certain tumour - suppressor genes promotes tumorigenesis 虽然,一些疾病发生在当一个基因的两个副本均发生突变或者只是某个肿瘤抑制基因的一个副本发生的突变促进了肿瘤的发生发展。
Surge suppressor surge suppressors are devices capable of conducting high transient voltages . they are used for protecting other devices that could be destroyed by the transient voltages 突变抑制器突变抑制器是能够抑制瞬间高电压的设施,用来保护其他设备免受瞬间电压的破坏。
Basal cell neus syndrome is caused by a tumor suppressor gene , called ptch , located on chromosome 9 . mutations in this gene may increase the risk of oarian cancer 谢谢楼主给大家发这么典型的片子,基底细胞痣综合症的临床资料比较缺乏,这对大家讲学和经验积累很有帮助.多谢,新年快乐
Although inactivation of some tumor suppressor genes such as p53 and p16ink4a has been identified , no known oncogene is commonly activated in hepatocellular carcinomas 肝癌是亚洲及非洲最常见的恶性肿瘤,其原因可能是由于这些地区肝炎病毒的流行以及经常接触肝癌的特异性致癌物质。
Delta , jagged and serrate have been identified as notch ligands . the transcription factor suppressor of hairless [ su ( h ) ] is the major downstream effector of notch signaling pathway Rbp - j是果蝇促神经发生基因su ( h ) ( suppressorofhairless )在第四军医大学硕士研究生论文哺乳动物的同源物。
Tumor - suppressor genes normally protect cells from becoming cancerous , but the gradual silencing of these genes by abnormal methylation is thought to be an early change in cancer deelopment 抑癌基因通常是阻止细胞肿瘤化,随着这些基因不正常的甲基化,他们就开始沉默,这被视为肿瘤的早期改变。
The rb tumor suppressor is a fundamental regulator of cell proliferation in the body , so we can use its actions as a biomarker for how tumors will respond to anti - estrogen therapy , explains knudsen 根据国家癌症研究所的资料,大约2 / 3的女性乳癌患者雌激素受体阳性,肿瘤的生长受天然的雌激素调控。
The switch of angiogenesis phenotype depends upon the net balance between angiogenic stimulators and inhibitors , up - regulation of an - giogenic factors and down - regulation of angiogenic suppressors 其形成依赖于血管生成刺激因子和抑制因子之间的净平衡,即刺激因子的上调作用和抑制因子的下调作用。
In a telephone circuit controlled by an echo - suppressor , the inability of one or both subscribers to get through because of either excessive local circuit noise or continuous speech from one subscriber 在回波抑制器控制的电话线路中,用户的一方或双方因为过量的局部线路噪音或对方连续说话而不能通话的情况。