名词解释题体细胞基因治疗（somatic cell gene therapy）
名词解释题
体细胞基因治疗（somatic cell gene therapy）
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共用题干Stem Cell Therapy May Help Repair the HeartAccording to scientists in the USA,stem cell therapy may one day be able to repair the hearts of people with heart failure.Researchers at Pittsburgh University School of Medicine examined 20 patients who had severe heart failure and were going to have surgery.They injected stem cells into the parts of their hearts that were damaged.They then compared their hearts with those of people who had undergone surgery without having the stem cells injected into them(they had also suffered from severe heart failure).The patients who had had the stem cells injected had hearts that were able to pump（用泵抽运） more blood than the others.According to Professor Robert Kormos,one of the researchers,these results could revolutionize heart treatment.Although previous studies had indicated that there might be a benefit,this is the first study that has actually proved that stem cell therapy can help thefailing heart work better．All the patients in this study had hearts that could not pump blood properly.The scientists measured their ejection fraction（射血分数）.This is a measure of heart performance;you measure how much blood is being pumped out by the left ventricle（心室）.Healthy people's ejection fraction is about 55%.These patients had ejection fraction ofunder 35%. They all had by-pass surgery（搭桥手术）performed on them. Some of the patients had stem cells taken from their hip bones and injected into 25-30 sites in the damaged heart muscle.Six months later their ejection fraction rate was 46.1%while those who just had surgery but no stem cell injections averaged 37. 2%.No side effects were reported.Heart failure is a common problem all over the world.In the UK alone about 650, 000 people suffer from heart failure every year. As the number of people suffering from heart failure increases in the world in general these findings are particularly significant.Current treatments relieve the symptoms.This new stem cell therapy actually repairs the damaged muscle in the heart and has the potential of curing the disease. The 20 patients had stem cell injections instead of surgery.A:Right B:Wrong C:Not mentioned
共用题干Stem Cell Therapy May Help Repair the HeartAccording to scientists in the USA,stem cell therapy may one day be able to repair the hearts of people with heart failure.Researchers at Pittsburgh University School of Medicine examined 20 patients who had severe heart failure and were going to have surgery.They injected stem cells into the parts of their hearts that were damaged.They then compared their hearts with those of people who had undergone surgery without having the stem cells injected into them(they had also suffered from severe heart failure).The patients who had had the stem cells injected had hearts that were able to pump（用泵抽运） more blood than the others.According to Professor Robert Kormos,one of the researchers,these results could revolutionize heart treatment.Although previous studies had indicated that there might be a benefit,this is the first study that has actually proved that stem cell therapy can help thefailing heart work better．All the patients in this study had hearts that could not pump blood properly.The scientists measured their ejection fraction（射血分数）.This is a measure of heart performance;you measure how much blood is being pumped out by the left ventricle（心室）.Healthy people's ejection fraction is about 55%.These patients had ejection fraction ofunder 35%. They all had by-pass surgery（搭桥手术）performed on them. Some of the patients had stem cells taken from their hip bones and injected into 25-30 sites in the damaged heart muscle.Six months later their ejection fraction rate was 46.1%while those who just had surgery but no stem cell injections averaged 37. 2%.No side effects were reported.Heart failure is a common problem all over the world.In the UK alone about 650, 000 people suffer from heart failure every year. As the number of people suffering from heart failure increases in the world in general these findings are particularly significant.Current treatments relieve the symptoms.This new stem cell therapy actually repairs the damaged muscle in the heart and has the potential of curing the disease. Stem cell therapy seems to have great prospects.A:Right B:Wrong C:Not mentioned
Which of the following is TRUE according to the text？( ) A.The principle of gene therapy is applicable to that of cloning B.The isolation of stem cells is too difficult to be feasible C.It is reasonable for all body instructions to be activated D.Cloned animals will eventually take control of the world
Which of the following is TRUE according to the text？( ) A.The principle of gene therapy is applicable to that of cloning. B.The isolation of stem cells is too difficult to be feasible. C.It is reasonable for all body instructions to be activated. D.Cloned animals will eventually take control of the world.
基因治疗是人类疾病治疗的一种崭新手段，下列有关叙述中不正确的是（）A、基因治疗可使一些人类遗传病得到根治B、基因治疗是一种利用基因工程产品治疗人类疾病的方法C、以正常基因替换致病基因属于基因治疗的一种方法D、基因治疗的靶细胞可以是体细胞和生殖细胞
关于应用基因工程治疗人类遗传病的叙述，不正确的是（）A、基因治疗可以有效地改善患者生理状况，其操作对象是基因B、进行基因治疗时，基因的受体细胞是受精卵C、基因治疗并不是对患者体内细胞的缺陷基因进行改造D、基因治疗时可只对患者部分细胞输入正常基因
同源重组（homologous recombination）与胚胎干细胞（embryonic stem cell）结合起来，创造了基因打靶技术（gene targeting），并得到基因敲除模型，获得了（）年的诺贝尔奖A、2006B、2007C、2008D、2009
判断题基因治疗中，基因转移的靶细胞有生殖细胞和体细胞两类。A对B错