Factor VII deficiency: Immunological characterization of genetic variants and detection of carriers

G. Mariani; M. G. Mazzucconi; J. Hermans; N. Ciavarella; A. Faiella; H. J. Hassan; P. M. Mannucci; G. G. Nenci; M. Orlando; D. Romoli; F. Mandelli

Factor VII deficiency: Immunological characterization of genetic variants and detection of carriers

G. Mariani, M. G. Mazzucconi, J. Hermans, N. Ciavarella, A. Faiella, H. J. Hassan, P. M. Mannucci, G. G. Nenci, M. Orlando, D. Romoli, F. Mandelli

Fondazione IRCCS Ca' Granda- Ospedale Maggiore Policlinico

Research output: Contribution to journal › Article › peer-review

Abstract

Twenty-one patients with congenital factor VII deficiency belonging to 16 different kindreds were investigated. The existence of three immunochemical variants on the ground of factor VII activity (VII:C) and factor VII-related antigen (VII:Ag) levels (VII ^-, VII ⁺ and VII(R)) was established. There was no correlation between the presence of factor VII:Ag and either the clinical picture or the specific function as studied with the K(m) calculations. Genetically the mode of inheritance is the same whatever the immunological variant, but the identification of carriers is simplified when the presence of factor VII-related antigen is assayed throughout a kindred.

Original language	English
Pages (from-to)	7-14
Number of pages	8
Journal	British Journal of Haematology
Volume	48
Issue number	1
Publication status	Published - 1981

ASJC Scopus subject areas

Hematology

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Factor VII deficiency : Immunological characterization of genetic variants and detection of carriers. / Mariani, G.; Mazzucconi, M. G.; Hermans, J.; Ciavarella, N.; Faiella, A.; Hassan, H. J.; Mannucci, P. M.; Nenci, G. G.; Orlando, M.; Romoli, D.; Mandelli, F.

In: British Journal of Haematology, Vol. 48, No. 1, 1981, p. 7-14.

Research output: Contribution to journal › Article › peer-review

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AU - Mariani, G.

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AU - Ciavarella, N.

AU - Faiella, A.

AU - Hassan, H. J.

AU - Mannucci, P. M.

AU - Nenci, G. G.

AU - Orlando, M.

AU - Romoli, D.

AU - Mandelli, F.

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AB - Twenty-one patients with congenital factor VII deficiency belonging to 16 different kindreds were investigated. The existence of three immunochemical variants on the ground of factor VII activity (VII:C) and factor VII-related antigen (VII:Ag) levels (VII -, VII + and VII(R)) was established. There was no correlation between the presence of factor VII:Ag and either the clinical picture or the specific function as studied with the K(m) calculations. Genetically the mode of inheritance is the same whatever the immunological variant, but the identification of carriers is simplified when the presence of factor VII-related antigen is assayed throughout a kindred.

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