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Article

C4, BF, C3 allele distribution and complement activity in healthy aged people and centenarians.

The journals of gerontology. Series A, Biological sciences and medical sciences - 1 Apr 1999

Bellavia D, Fradà G, Di Franco P, Feo S, Franceschi C, Sansoni P, Brai M

Abstract excerpt

The aim of this study was to examine the complement system and the distribution of some human leukocyte antigen (HLA) class III alleles (C4, BF) in healthy aged people (77 centenarians and 89 elderly subjects). We have also studied the alleles of C3, a complement component genetically unrelated to HLA, the immunochemical levels of C4 and C3 and serum functional hemolytic activity for classical (CH50) and...

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Source

Identifiers

PMID: 10219002
DOI: 10.1093/gerona/54.4.b150

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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