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An Abnormal Fibrinogen with Delayed Fibrinopeptide A Release
Author(s) -
Lane D. A.,
Vanross M.,
Kakkar V.V.,
Bottomley J.,
Dhir K.,
Holt L. P. J.,
MacIver J. E.
Publication year - 1980
Publication title -
british journal of haematology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.907
H-Index - 186
eISSN - 1365-2141
pISSN - 0007-1048
DOI - 10.1111/j.1365-2141.1980.tb05938.x
Subject(s) - fibrinogen , medicine , endocrinology , cardiology
S ummary . Investigation of the family of a patient presenting with haematuria revealed seven cases in three generations showing a prolonged thrombin clotting time. A dysfibrinogenaemia was confirmed when purified fibrinogen from an affected member of the family was shown to also exhibit a prolonged thrombin clotting time. No molecular abnormality could be demonstrated using electrophor‐etic and immunological techniques. However, using a specific radioimmunoassay to fibrinopeptide A a major defect has been localized to a delay in the rate of release of this peptide by thrombin when the abnormal fibrinogen is converted to fibrin. This case of dysfibrinogenaemia has been tentatively designated fibrinogen Manchester.