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char = S;code = 83
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char = T;code = 84
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char = b;code = 98
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char = E;code = 69
char = g;code = 103
char = y;code = 121
char = p;code = 112
char = t;code = 116
char = .;code = 46
result sql = Polymorphism of glutathione S-transferase loci GSTM1 and GSTT1 and susceptibility to colorectal cancer in Egypt.
Polymorphism of glutathione S-transferase loci GSTM1 and GSTT1 and susceptibility to colorectal cancer in Egypt.
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char = ;code = 32
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char = y;code = 121
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char = ;code = 32
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char = e;code = 101
char = ;code = 32
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char = e;code = 101
char = s;code = 115
char = u;code = 117
char = l;code = 108
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = u;code = 117
char = d;code = 100
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result sql = Egypt has an unusually high proportion of early-onset colorectal cancer under age 40 years. Environmental exposures and low DNA repair capacity are among the risk factors. Because GSTM1 and GSTT1 gene deficiencies may act as risk modifiers for colorectal cancer risk, we investigated the relationship between genetic polymorphism in these genes and colorectal cancer risk in Egyptians. Sixty-six patients and 55 controls were included. Genotyping for GSTM1 and GSTT1 was conducted using PCR techniques and the results were related to epidemiologic and clinical information. No overall association was observed between GSTM1 or GSTT1 null genotypes and colorectal cancer risk. However, the data suggest a possible role for GSTM1 genotype in influencing tumor site. Furthermore, GSTM1 and GSTT1 genotypes, in conjunction with gender and place of residence, may play a role in modifying disease risk. Further studies on a larger population in Egypt are needed to generalize the results of this study.

Publication: Cancer Lett. 1999 Jul 19 ;142(1)::97-104.
Publication Date: 1999 Jul 19
Study Author(s): Abdel-Rahman, S Z;Soliman, A S;Bondy, M L;Wu, X;El-Badawy, S A;Mahgoub, K G;Ismail, S;Seifeldin, I A;Levin, B;
Institution: Department of Preventive Medicine and Community Health, The University of Texas Medical Branch at Galveston, 77555-1110, USA.
Shortcut link to this study:
Egypt has an unusually high proportion of early-onset colorectal cancer under age 40 years. Environmental exposures and low DNA repair capacity are among the risk factors. Because GSTM1 and GSTT1 gene deficiencies may act as risk modifiers for colorectal cancer risk, we investigated the relationship between genetic polymorphism in these genes and colorectal cancer risk in Egyptians. Sixty-six patients and 55 controls were included. Genotyping for GSTM1 and GSTT1 was conducted using PCR techniques and the results were related to epidemiologic and clinical information. No overall association was observed between GSTM1 or GSTT1 null genotypes and colorectal cancer risk. However, the data suggest a possible role for GSTM1 genotype in influencing tumor site. Furthermore, GSTM1 and GSTT1 genotypes, in conjunction with gender and place of residence, may play a role in modifying disease risk. Further studies on a larger population in Egypt are needed to generalize the results of this study.
PMID: 10424787

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