Differential transferrin receptor density in human colorectal cancer: A potential probe for diagnosis and therapy.
Int J Oncol
; 13(4): 871-5, 1998 Oct.
Article
em En
| MEDLINE
| ID: mdl-9735419
ABSTRACT
Transferrin receptor density was investigated in human colorectal surgical specimens. Crude membranes were prepared from 23 cancer tumors (adenocarcinoma or malignant villous tumor) and 3 non-cancer tumors (polyadenoma or villous tumor) and 26 adjacent control mucosa. Contrary to non-cancer tumors, Scatchard analysis of 125I-transferrin binding data evidenced higher maximal transferrin binding capacity and lower dissociation constant in cancer tissues (Bmax cancer 1.828+/-0.320 nmol/g, Kd 24.1+/-4.7 nM), as compared to paired control colonic mucosa (Bmax contol 0.851+/-0.182 nmol/g, Kd 30.7+/-7.3 nM), paired t-tests Bmax p<0.001, Kd p<0.05). As the cancer/control Bmax ratio was 2.6+/-0.4,transferrin carrier constructs should be proposed for cancer imaging or therapy.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Receptores da Transferrina
/
Neoplasias Colorretais
Tipo de estudo:
Diagnostic_studies
Limite:
Adult
/
Aged
/
Aged80
/
Female
/
Humans
/
Male
/
Middle aged
Idioma:
En
Revista:
Int J Oncol
Assunto da revista:
NEOPLASIAS
Ano de publicação:
1998
Tipo de documento:
Article
País de afiliação:
França