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Anti-phosphoinositide auto-antibodies in sera of cancer patients: isotypic and immunochemical characterization.
Faiderbe, S; Chagnaud, J L; Geffard, M.
Affiliation
  • Faiderbe S; Laboratoire d'Immunologie et Pathologie, Université de Bordeaux II, France.
Cancer Lett ; 66(1): 35-41, 1992 Sep 14.
Article in En | MEDLINE | ID: mdl-1333357
High levels of circulating anti-phosphatidylinositol (PtdIns) auto-antibodies (auto-Ab) have been previously found in sera of patients with malignant tumors. Using our ELISA test, a high statistical level of immunological binding directed against PtdIns was found in a large series of sera from patients with proliferative pathologies. In contrast to tumor markers, anti-PtdIns auto-Ab did not vary whatever the histological grades, TMN classification and patient's age. These anti-PtdIns auto-Ab were immunoglobulins (Ig) of G class. Their specificity was evaluated by competition experiments in ELISA and found to be rather high. An increase of these circulating auto-Ab reflected possible disturbances in PtdIns turnover and appearance of endogenous neo-antigen with PtdIns structure.
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Collection: 01-internacional Database: MEDLINE Main subject: Phosphatidylinositols / Autoantibodies / Antibodies, Neoplasm / Neoplasms Limits: Humans Language: En Journal: Cancer Lett Year: 1992 Document type: Article Affiliation country: France Country of publication: Ireland
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Collection: 01-internacional Database: MEDLINE Main subject: Phosphatidylinositols / Autoantibodies / Antibodies, Neoplasm / Neoplasms Limits: Humans Language: En Journal: Cancer Lett Year: 1992 Document type: Article Affiliation country: France Country of publication: Ireland