| pubmed-article:1702767 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:1702767 | lifeskim:mentions | umls-concept:C0087111 | lld:lifeskim |
| pubmed-article:1702767 | lifeskim:mentions | umls-concept:C0020731 | lld:lifeskim |
| pubmed-article:1702767 | lifeskim:mentions | umls-concept:C0016564 | lld:lifeskim |
| pubmed-article:1702767 | lifeskim:mentions | umls-concept:C0596988 | lld:lifeskim |
| pubmed-article:1702767 | lifeskim:mentions | umls-concept:C0871161 | lld:lifeskim |
| pubmed-article:1702767 | pubmed:issue | 2 | lld:pubmed |
| pubmed-article:1702767 | pubmed:dateCreated | 1991-2-20 | lld:pubmed |
| pubmed-article:1702767 | pubmed:abstractText | Formaldehyde treatment is a method routinely used to detoxify diphtheria, tetanus, and pertussis toxins as well as other molecules suitable for vaccine production. To investigate whether chemical detoxification alters the immunological properties of vaccine components, we have treated the pertussis toxin mutant PT-9K/129G with formaldehyde and tested the properties of the resulting molecules. Very low concentrations of formaldehyde stabilize the molecule without affecting the physicochemical and immunological parameters. Increasing doses of formaldehyde abolish the mitogenic and hemagglutinating activities of PT-9K/129G. At the same time, the molecule loses the ability to be recognized by a monoclonal antibody specific for a major protective epitope on the S1 subunit of pertussis toxin and its affinity for anti-pertussis toxin polyclonal antibodies is also reduced. In marked contrast, the ability of PT-9K/129G to be recognized by human T-cell clones is not affected by Formalin treatment. In vivo, the formaldehyde-treated molecules induce amounts of specific antibodies comparable with those of untreated molecules but significantly lower levels of toxin-neutralizing antibodies. Furthermore, the formaldehyde-treated molecules also show a reduced protective activity in the intracerebral challenge assay. | lld:pubmed |
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| pubmed-article:1702767 | pubmed:language | eng | lld:pubmed |
| pubmed-article:1702767 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:1702767 | pubmed:citationSubset | IM | lld:pubmed |
| pubmed-article:1702767 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
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| pubmed-article:1702767 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:1702767 | pubmed:month | Feb | lld:pubmed |
| pubmed-article:1702767 | pubmed:issn | 0019-9567 | lld:pubmed |
| pubmed-article:1702767 | pubmed:author | pubmed-author:MarsiliII | lld:pubmed |
| pubmed-article:1702767 | pubmed:author | pubmed-author:RappuoliRR | lld:pubmed |
| pubmed-article:1702767 | pubmed:author | pubmed-author:NencioniLL | lld:pubmed |
| pubmed-article:1702767 | pubmed:author | pubmed-author:BugnoliMM | lld:pubmed |
| pubmed-article:1702767 | pubmed:author | pubmed-author:VolpiniGG | lld:pubmed |
| pubmed-article:1702767 | pubmed:author | pubmed-author:PeppoloniSS | lld:pubmed |
| pubmed-article:1702767 | pubmed:author | pubmed-author:De... | lld:pubmed |
| pubmed-article:1702767 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:1702767 | pubmed:volume | 59 | lld:pubmed |
| pubmed-article:1702767 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:1702767 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:1702767 | pubmed:pagination | 625-30 | lld:pubmed |
| pubmed-article:1702767 | pubmed:dateRevised | 2009-11-18 | lld:pubmed |
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| pubmed-article:1702767 | pubmed:meshHeading | pubmed-meshheading:1702767-... | lld:pubmed |
| pubmed-article:1702767 | pubmed:year | 1991 | lld:pubmed |
| pubmed-article:1702767 | pubmed:articleTitle | Properties of pertussis toxin mutant PT-9K/129G after formaldehyde treatment. | lld:pubmed |
| pubmed-article:1702767 | pubmed:affiliation | Sclavo Research Center, Siena, Italy. | lld:pubmed |
| pubmed-article:1702767 | pubmed:publicationType | Journal Article | lld:pubmed |
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