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result sql = Recent advances in the use of vitamin A (retinoids) in the prevention and treatment of cancer.
Recent advances in the use of vitamin A (retinoids) in the prevention and treatment of cancer.
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char = n;code = 110
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char = ;code = 32
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char = f;code = 102
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char = a;code = 97
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char = y;code = 121
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char = f;code = 102
char = ;code = 32
char = r;code = 114
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char = t;code = 116
char = i;code = 105
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char = o;code = 111
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char = d;code = 100
char = s;code = 115
char = ;code = 32
char = i;code = 105
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char = ;code = 32
char = t;code = 116
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char = e;code = 101
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = o;code = 111
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = t;code = 116
char = y;code = 121
char = p;code = 112
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = c;code = 99
char = h;code = 104
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = n;code = 110
char = e;code = 101
char = u;code = 117
char = r;code = 114
char = o;code = 111
char = b;code = 98
char = l;code = 108
char = a;code = 97
char = s;code = 115
char = t;code = 116
char = o;code = 111
char = m;code = 109
char = a;code = 97
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = r;code = 114
char = c;code = 99
char = i;code = 105
char = n;code = 110
char = o;code = 111
char = m;code = 109
char = a;code = 97
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = v;code = 118
char = e;code = 101
char = l;code = 108
char = o;code = 111
char = p;code = 112
char = m;code = 109
char = e;code = 101
char = n;code = 110
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char = o;code = 111
char = f;code = 102
char = ;code = 32
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char = c;code = 99
char = e;code = 101
char = p;code = 112
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char = o;code = 111
char = r;code = 114
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char = s;code = 115
char = e;code = 101
char = l;code = 108
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = t;code = 116
char = i;code = 105
char = n;code = 110
char = o;code = 111
char = i;code = 105
char = d;code = 100
char = s;code = 115
char = ;code = 32
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char = n;code = 110
char = d;code = 100
char = ;code = 32
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char = e;code = 101
char = l;code = 108
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = h;code = 104
char = i;code = 105
char = b;code = 98
char = i;code = 105
char = t;code = 116
char = o;code = 111
char = r;code = 114
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = t;code = 116
char = i;code = 105
char = n;code = 110
char = o;code = 111
char = i;code = 105
char = d;code = 100
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = a;code = 97
char = b;code = 98
char = o;code = 111
char = l;code = 108
char = i;code = 105
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char = m;code = 109
char = ;code = 32
char = m;code = 109
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char = y;code = 121
char = ;code = 32
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char = e;code = 101
char = a;code = 97
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = f;code = 102
char = u;code = 117
char = r;code = 114
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = t;code = 116
char = i;code = 105
char = n;code = 110
char = o;code = 111
char = i;code = 105
char = d;code = 100
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = b;code = 98
char = o;code = 111
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char = h;code = 104
char = ;code = 32
char = c;code = 99
char = h;code = 104
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char = p;code = 112
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char = t;code = 116
char = i;code = 105
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char = n;code = 110
char = ;code = 32
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char = d;code = 100
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char = t;code = 116
char = r;code = 114
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char = a;code = 97
char = t;code = 116
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = n;code = 110
char = c;code = 99
char = e;code = 101
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char = .;code = 46
char = <;code = 60
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char = r;code = 114
char = /;code = 47
char = >;code = 62
result sql = Vitamin A, its physiologic metabolites, and synthetic derivatives (retinoids) have been shown to have protective effects against the development of certain types of cancer. In addition, pharmacologic amounts of retinoids have been used with some success in the treatment of a few human tumors. The chemoprevention effect of retinoids is most likely exerted at the tumor-promotion phase of carcinogenesis. Retinoids block tumor promotion by inhibiting proliferation, inducing apoptosis, inducing differentiation, or a combination of these actions. Clinically, isotretinoin (13-cis-retinoic acid) significantly decreases the incidence of second primary tumors in patients with head-and-neck cancer and reduces appearance of non-melanoma skin cancer in patients with xeroderma pigmentosum. Retinoic acid has proved to be an effective treatment for promyelocytic leukemia. However, retinoid resistance limits its use as a single agent. Clinical trials are in progress to determine the efficacy of retinoids in treating other types of cancer such as neuroblastoma and breast carcinoma. The development of receptor-selective retinoids and selective inhibitors of retinoid metabolism may lead to further use of retinoids in both chemoprevention and treatment of cancer.

Publication: Nutrition 2000 Nov-Dec ;16(11-12)::1084-9.
Publication Date: 2000 Nov-Dec
Study Author(s): Niles, R M;
Institution: Department of Biochemistry and Molecular Biology, Marshall University School of Medicine, Huntington, West Virginia 25754, USA. [email protected]
Shortcut link to this study:
Vitamin A, its physiologic metabolites, and synthetic derivatives (retinoids) have been shown to have protective effects against the development of certain types of cancer. In addition, pharmacologic amounts of retinoids have been used with some success in the treatment of a few human tumors. The chemoprevention effect of retinoids is most likely exerted at the tumor-promotion phase of carcinogenesis. Retinoids block tumor promotion by inhibiting proliferation, inducing apoptosis, inducing differentiation, or a combination of these actions. Clinically, isotretinoin (13-cis-retinoic acid) significantly decreases the incidence of second primary tumors in patients with head-and-neck cancer and reduces appearance of non-melanoma skin cancer in patients with xeroderma pigmentosum. Retinoic acid has proved to be an effective treatment for promyelocytic leukemia. However, retinoid resistance limits its use as a single agent. Clinical trials are in progress to determine the efficacy of retinoids in treating other types of cancer such as neuroblastoma and breast carcinoma. The development of receptor-selective retinoids and selective inhibitors of retinoid metabolism may lead to further use of retinoids in both chemoprevention and treatment of cancer.
PMID: 11118831

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