Helminth-derived antigens having capacity of providing protection against parasites

The primary objective of the present invention is the development of new mutant forms of the Sm14 protein, for producing a greater production volume. The recombinant proteins here obtained were capable of providing protection against schistosome and fasciola infection. The level of protection of Sm1...

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Main Authors CELSO RAUL ROMERO RAMOS, ANDREW J. SIMPSON, ISAIAS RAW, NAFTALE KATZ, PAULO LEE HO, MIRIAM TENDLER
Format Patent
LanguageEnglish
Published 12.08.2004
Edition7
Subjects
BEER
BIOCHEMISTRY
CHEMISTRY
COMPOSITIONS THEREOF
CULTURE MEDIA
ENZYMOLOGY
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
MICROBIOLOGY
MICROORGANISMS OR ENZYMES
MUTATION OR GENETIC ENGINEERING
ORGANIC CHEMISTRY
PEPTIDES
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS
SPIRITS
VINEGAR
WINE
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Summary:The primary objective of the present invention is the development of new mutant forms of the Sm14 protein, for producing a greater production volume. The recombinant proteins here obtained were capable of providing protection against schistosome and fasciola infection. The level of protection of Sm14 recombinant proteins obtained in the present invention was similar to that reached in the parasite saline extract. The mutant proteins of the present invention have reached approximately 100% of renaturation after the heating at 80° C., different from wild forms of the Sm14 protein. Moreover, after storage for 2 months at 4° C., mutant proteins have shown smaller beta-structure loss than wild forms that have shown formation with random structure, as demonstrated by the circular dichroism analysis, indicating the success of mutations.
Bibliography:Application Number: AU20040207025