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. 1973 Feb;52(2):516–519. doi: 10.1172/JCI107209

Deficiency of the Chemotactic Factor Inactivator in Human Sera with α1-Antitrypsin Deficiency

Peter A Ward 1,2, Richard C Talamo 1,2
PMCID: PMC302282  PMID: 4683887

Abstract

As revealed by appropriate fractionation procedures, human serum deficient in α1-antitrypsin (α1-AT) is also deficient in the naturally occurring chemotactic factor inactivator. These serum donors had severe pulmonary emphysema. Serum from patients with clinically similar pulmonary disease, but with presence of α1-AT in the serum, showed no such deficiency of the chemotactic factor inactivator. When normal human serum and α1-AT-deficient human sera are chemotactically activated by incubation with immune precipitates, substantially more chemotactic activity is generated in α1-AT-deficient serum. These data indicate that in α1-AT-deficient serum there is an imbalance in the generation and control of chemotactic factors. It is suggested that the theory regarding development of pulmonary emphysema in patients lacking the α1-antitrypsin in their serum should be modified to take into account a deficiency of the chemotactic factor inactivator.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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