Frequent K‐ras mutations and absence of p53 mutations in mucin‐producing tumors of the pancreas
Frequent K‐ras mutations and absence of p53 mutations in mucin‐producing tumors of the pancreas
复制标题
胰腺产生粘蛋白的肿瘤中存在频繁的 K-ras 突变且缺乏 p53 突变
DOI:
10.1002/jso.2930550205
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发表时间:
1994
影响因子:
2.5
通讯作者:
K. Ogawa
中科院分区:
文献类型:
--
作者:
Tomokazu Hoshi;M. Imai;K. Ogawa
Mucin‐producing tumors of the pancreas (MPT) are characterized by the prodcution of much mucin and a benign course after surgical treatment. We examined 16 cases of MPT and 20 cases of “common” pancreatic duct cell carcinomas (DCC) in regard to K‐ras and p53 mutations. The mutations were detected by constant denaturant gel electrophoresis in combination with other techniques using PCR products amplified from the samples microdissected from the tissue sections. K‐ras codon 12 mutations were identified in all MPT and in 95% of DCC. On the other hand, p53 mutations were found in four of 20 (20%) DCC, and p53 was immunocy‐tochemically overexpressed in 3 of the 4 mutated cases. However, no p53 mutations and no p53 overexpression were identified in the 16 MPT. These results indicate that, although the K‐ras codon 12 mutations may be almost essential for the development of both MPT and DCC, p53 mutations seemed to be involved mainly to the latters. © Wiley‐Liss, Inc.
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影响因子:
56.9
作者:
HOLLSTEIN, M;SIDRANSKY, D;HARRIS, CC
通讯作者:
HARRIS, CC
影响因子:
10.5
作者:
HARVEY, DM;LEVINE, AJ
通讯作者:
LEVINE, AJ
DOI:
10.1073/pnas.83.14.5141
发表时间:
1986-07-01
影响因子:
11.1
作者:
KORC, M;MELTZER, P;TRENT, J
通讯作者:
TRENT, J
DOI:
10.1073/pnas.86.1.232
发表时间:
1989-01-01
影响因子:
11.1
作者:
SHEFFIELD, VC;COX, DR;MYERS, RM
通讯作者:
MYERS, RM
影响因子:
8
作者:
Rittling,SR;Denhardt,DT
通讯作者:
Denhardt,DT