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Factor X-activating procoagulant in normal and malignant breast tissue

✍ Scribed by Khaled El-Baruni; Irving Taylor; Stuart Roath; Dr. John L. Francis


Book ID
102860152
Publisher
John Wiley and Sons
Year
1990
Tongue
English
Weight
602 KB
Volume
8
Category
Article
ISSN
0278-0232

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✦ Synopsis


Abstract

Factor X‐activating activity (FXAA) was determined by a chromogenic assay in normal and malignant breast tissue. FXAA was found in all tissue (n = 38) irrespective of pathology, and the activity of normal tissue was similar to that of tumours. FXAA correlated with tissue hemoglobin in normal breast (p<0.02) but not in tumours. FXAA was markedly reduced by aluminium hydroxide, barium citrate, anti‐human factor VII, DFP, PMSF and phospholipase C, but was unaffected by iodoacetamide and mercuric chloride. It is concluded that FXAA is a serine protease with the properties of a tissue factor‐factor VII complex. FXAA occurs in normal and malignant breast tissue, although the β€˜normal’ activity may be an artefact of the homogenization process.


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