Abstract:
:The protective role of alpha 2-macroglobulin, alpha 1-antitrypsin and Aprotinin against trypsin-induced effects on C3 and kininogen was studied in a human in vitro model. When human cationic trypsin was added to human serum or plasma, there was a gradual saturation of alpha 2-macroglobulin and later of alpha 1-antitrypsin. When alpha 2-macroglobulin was 70% saturated, there was a prompt cleavage of both C3 and kininogen, in spite of 80% free and active alpha 1-antitrypsin. These biochemical changes and antiprotease levels are identical to our findings in patients with acute pancreatitis, especially in their peritoneal exudate. Very high concentrations of Aprotinin, 5-15 times higher than ever used clinically, blocked the cleavage of both C3 and kininogen, while doses commonly used clinically were without significant effect. The clinical implications are: A trypsin-induced activation of both the complement and kinin system with clinical consequence is possible in patients with acute pancreatitis because of very low alpha 2-macroglobulin levels. Aprotinin in adequate doses, 5-15 times higher than ever used clinically, seems to protect against activation of two systems.
journal_name
Adv Exp Med Bioljournal_title
Advances in experimental medicine and biologyauthors
Lasson A,Ohlsson Kdoi
10.1007/978-1-4615-9355-3_42subject
Has Abstractpub_date
1984-01-01 00:00:00pages
477-87eissn
0065-2598issn
2214-8019journal_volume
167pub_type
杂志文章abstract::The brain is sensitive to the inflammation and oxidative stress that can cause the aging or neurodegenerative diseases. We investigated the anti-neuroinflammatory activities of taurine chloramine (TauCl) on lipopolysaccharide (LPS)-treated mouse BV2 microglia mediated through heme oxygenase (HO)-1 expression. TauCl in...
journal_title:Advances in experimental medicine and biology
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journal_title:Advances in experimental medicine and biology
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更新日期:1994-01-01 00:00:00
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pub_type: 杂志文章,评审
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journal_title:Advances in experimental medicine and biology
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journal_title:Advances in experimental medicine and biology
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abstract::Kennedy's disease (KD) or spinobulbar muscular atrophy is a hereditary X-linked, progressive neurodegenerative condition caused by an expansion of the CAG triplet repeat in the first exon of the androgen receptor gene. The phenotype in its full form is only expressed in males and presents as weakness and wasting of th...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章,评审
doi:
更新日期:2012-01-01 00:00:00
abstract::Calcium absorption in the large intestine was studied under physiological conditions in the rat. When 45Ca was administered directly into the caecum, the isotope was significantly absorbed. This absorption was modulated by dietary Ca and Pi as well as by the 1,25(OH) D3 status. On the other hand, calcium coming from t...
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journal_title:Advances in experimental medicine and biology
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更新日期:1995-01-01 00:00:00
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journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
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更新日期:1990-01-01 00:00:00
abstract::Neisseria meningitidis lipooligosaccharides (LOSs) are classified into 12 immunotypes. Most LOSs are heterogeneous in having a few components by SDS-PAGE analysis that differ antigenically and chemically. We have utilized a monoclonal antibody that recognizes lacto-N-neotetraose (LNnT) and the lectin, Maackia amurensi...
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