
谁能帮我翻译一下一段英文(医学类) 不要直接搬用在线翻译。。。要语句流畅。。。 大写字母不用翻译
ActivationofPI3K/PTEN/Akt/mTORsignalingthroughmutation,inactivationorsilencingofpathw...
Activation of PI3K/PTEN/Akt/mTOR signaling
through mutation, inactivation or silencing of pathway
components occurs in various malignancies, including
liver cancer 。Deregulation of this pathway has
clinical importance in hepatocellular carcinoma (HCC).
For example, data from genomic sequence of HCC
samples identified mutations in PIK3CA in 50% of patients
with poor prognosis, survival length < 3 years following
partial liver resection, and only 10% of the HCC patients
with a good prognosis had mutations in PIK3CA。
The identified mutations were restricted to residues H1047
in 61.1%, to E545 in 33.3%, and to E542 in 5.5% of cases,
and as a consequence this result in gain of enzymatic
function and consequently in oncogenic activity of PI3K 展开
through mutation, inactivation or silencing of pathway
components occurs in various malignancies, including
liver cancer 。Deregulation of this pathway has
clinical importance in hepatocellular carcinoma (HCC).
For example, data from genomic sequence of HCC
samples identified mutations in PIK3CA in 50% of patients
with poor prognosis, survival length < 3 years following
partial liver resection, and only 10% of the HCC patients
with a good prognosis had mutations in PIK3CA。
The identified mutations were restricted to residues H1047
in 61.1%, to E545 in 33.3%, and to E542 in 5.5% of cases,
and as a consequence this result in gain of enzymatic
function and consequently in oncogenic activity of PI3K 展开
2个回答
2013-04-11
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PI3K、PTEN / Akt/ mTOR信号通过突变,途径成分的失活或沉默而激活发生在各种恶性肿瘤中,包括肝癌。这个通路的失调对肝细胞癌(HCC)具有重要的临床意义。例如,从HCC样本基因组序列中发现的数据:50%预后不良患者的PIK3CA突变,肝部分切除后生存长度<3年,预后良好的HCC患者只有10% PIK3CA发生了突变。突变局限于61.1%h1047残基, 33.3% E545,5.5%e542的情况下,作为一个结果,导致酶功能的获得,最终导致PI3K的致癌活性。
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PI3K、PTEN / Akt / mTOR信号通过激活突变,失活或沉默途径成分发生在各种恶性肿瘤,包括肝癌。这个通路的失调在原发性肝细胞癌(HCC)的临床意义。例如,从肝癌样本中确定病人的预后50% PIK3CA突变的基因组序列数据,生存的长度<3年肝部分切除后,只有10%的肝癌患者预后良好PIK3CA基因发生了突变。突变是限制在61.1% h1047残留,对e545 33.3%,并在5.5%的情况下e542,和作为一个结果,这个结果在酶的功能,从而获得在PI3K致癌活性
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