92 results about "Porphyromonas gingivalis" patented technology

The present invention relates to soluble P. gingivalis polypeptides derived from PG32 and PG33 and to polynucleotides encoding these polypeptides. The P. gingivalis polypeptides and nucleotides can be used in compositions for use in raising an immune response in a subject against P. gingivalis and treating or preventing or reducing the severity of the condition known as periodontitis or in other conditions related to infection with P. gingivalis.

An alkyl- or halo-substituted benzoquinone, hydroquinone or mixture thereof, for use in the treatment of a periodontal disease, and/or for use in the treatment of a condition which is caused by, transmitted by or exacerbated by P. gingivalis or by biofilm formation by P. gingivalis.

The invention provides an oral antibacterial composition containing nisin and polylysine. According to the composition, the growth of oral pathogenic bacteria such as porphyromonas gingivalis, actinobacillus actinomycetemcomitans, streptococcus mutans, lactic acid bacillus, staphylococcus aureus and candida albicans can be effectively inhibited, and tooth decay, gingivitis, periodontitis, ozostomia and the like can be prevented; the composition can be prepared into toothpaste, mouth wash, refreshing and tasting chips and chewing gum which are used for preventing and treating oral diseases. Meanwhile, the invention provides a preparation method of the compositions such as the toothpaste, the mouth wash, the refreshing and tasting chips and the chewing gum. The oral antibacterial composition prepared through the method can prevent and treat various oral diseases and has no toxic and side effect and allergy or stimulation phenomenon on a human body.

The present invention relates to an oral composition and an immunogenic composition for the suppression of the pathogenic effects of the intra-oral bacterium Porphyromonas gingivalis associated with periodontal disease.

The invention is directed to vaccine compositions and methods based on P. gingivalis proteins identified to be regulated by haem availability that can be used in the prevention and treatment of periodontal disease. In particular, two specific internalin-like P. gingivalis proteins, namely PG0350 and PG1374 involved in the internalization of P. gingivalis by host cells, the hypothetical protein, PG1019 purported to be a cell surface lipoprotein and the alkyl hydroperoxide reductase protein, PG0618 have been identified as useful targets for the prevention and treatment of periodontal disease.

The invention relates to a compound bactericide for efficient degradation of landscaping garbage and a preparation method thereof. The compound bactericide mainly consists of strains and a carrier, wherein the strains comprise the following components in parts by weight: 15-30 parts of fibre porphyromonas gingivalis, 10-25 parts of basidiomycetes, 5-15 parts of bacillus, 15-35 parts of aspergillus, 5-35 parts of neurospora, 8-20 parts of trichoderma, 15-20 parts of actinomycetes and 5-15 parts of saccharomycetes. The compound bactericide is fully mixed with the landscaping garbage in a fermentation device and is synergized through different bactericides under the aerobic condition, thereby the landscaping garbage degradation efficiency is improved, and the organic matter is rapidly corrupted and converted into green organic fertilizer capable of improving soil. The application of the compound bactericide for efficient degradation of landscaping garbage can effectively solve the problems of land occupation caused by land filling or pollution to the atmospheric environment caused by burning, and the like.

The invention provides a composition for use in raising an immune response to P. gingivalis in a subject, the composition comprising an amount effective to raise an immune response of at least one polypeptide having an amino acid sequence substantially identical to at least 50 amino acids, or an antigenic or immunogenic portion, of one of the polypeptides corresponding to accession numbers selected from the group consisting of AAQ65462, AAQ65742, AAQ66991, AAQ65561, AAQ66831, AAQ66797, AAQ66469, AAQ66587, AAQ66654, AAQ66977, AAQ65797, AAQ65867, AAQ65868, AAQ65416, AAQ65449, AAQ66051, AAQ66377, AAQ66444, AAQ66538, AAQ67117 and AAQ67118. The invention also provides a method of preventing or treating a subject for P. gingivalis infection comprising administering to the subject a composition of the invention

The invention relates to a multiple PCR rapid detection method of common pathogen in mouth such as Actinobacillus actinomycetemcomitans, Bacterides forsythus, F. nucleatum and Porphyromones gingivalis and belongs to the field of molecular biology technology. The invention utilizes the multiple PCR to increase specific gene of Actinobacillus actinomycetemcomitans, Bacterides forsythus, F. nucleatum and Porphyromones gingivalis in mouth and utilizes electrophoresis to detect the specific gene. By designing the primers of Actinobacillus actinomycetemcomitans, Bacterides forsythus, F. nucleatum and Porphyromones gingivalis, the multiple PCR rapid detection method has the advantages of the uniform reaction condition, the sensitivity and the strong specificity of the method, the simultaneous detection and identification of the four bacteria in the specimen, accurate judgment of infection of different bacteria and greatly promoting the detection speed and the detection efficiency.

The invention provides a method of preventing, inhibiting or reducing a P. gingivalis biofilm in a subject comprising administering to the subject a pharmaceutical composition comprising an inhibiting agent of a polypeptide that reduces or inhibits biofilm formation and/or biofilm development. Also provided are compositions useful in the prevention, inhibition or treatment of periodontal disease or P. gingivalis infection.

The invention relates to a method for preparing a yolk immunoglobulin vaccine for resisting porphyromonas gingivalis, which comprises the following operating steps of: (1) culturing and separating an international standard strain of the porphyromonas gingivalis to obtain the porphyromonas gingivalis; (2) obtaining mycoprotein of the porphyromonas gingivalis; (3) mixing a whole bacterium soluble protein antigen of the porphyromonas gingivalis with a freunds incomplete adjuvant uniformly to prepare an intravenous injection preparation, performing an intravenous injection under a chicken wing of a laying hen, and collecting eggs laid by the laying hen; and (4) extracting yolk immunoglobulin for resisting the porphyromonas gingivalis in the eggs. The method has a low production cost and a high yield because 100 milligrams of the yolk immunoglobulin can be obtained from one egg; and the method is simple, convenient and quick to operate and has the advantages of heat resistance, acid resistance, good stability and the like. Under an acid condition of which the temperature is not over 75 DEG C and the pH is more than 4, the yolk immunoglobulin vaccine can still well maintain the biological activity, can be stored for about 3 months at the normal temperature, and can be stored for 6 to 12 months at 4 DEG C with non-decreased antibody activity.

This invention relates to the PrtR-PrtK cell surface protein of Porphyromonas gingivalis and in particular a multimeric cell association protein complex comprising the PrtR and PrtK proteins. Accordingly the invention provides a substantially purified antigenic complex for use in raising an antibody response directed against Porphyromonas gingivalis. The complex comprises at least one multimeric protein complex of arginine-specific and lysine-specific thiol endopeptidases each containing at least one adhesin domain, the complex having a molecular weight of greater than about 200 kDa. The invention also relates to pharmaceutical compositions and associated agents based on said complex for the detection, prevention and treatment of Periodontal disease associated with P. gingivalis.

An invention is provided whereby methods and compositions having angiostatic activity are utilized to treat angioproliferative disorders, to prevent conception, and to treat a wide variety of pathologies in which it is desirable to limit the production of new vasculature. Specifically, compositions containing proteinases derived from the pathogen Porphyromonas gingivalis capable of treating cancer through disruption of cell-cell and cell-matrix adhesion bonds associated with malignant tumor proliferation are disclosed.

The present invention provides a purified multimeric complex form P. gingivalis. The complex comprises at least one domain from each of RgpA, Kgp and HagA, and has a molecular weight greater than about 300 kDa.

The invention relates to compositions, formulations, vaccines and antibodies for the prevention and/or treatment of aging and brain disorders, including Alzheimer's disease, diabetes, cardiovascular disease, retinal disorders and arthritis. The invention also provides methods of treatment of aging disorders, brain disorders, including Alzheimer's disease, diabetes, cardiovascular disease, retinal disorders, and arthritis by administering compositions, formulations, vaccines and antibodies described in the specification. The invention further provides methods for diagnosing or assessing risk of development of brain disorders in humans and animals. The invention further provides animal models for testing novel therapeutics for brain disorders.

The present invention discloses an application of the extract of Lo Han Kuo (LHK) fruit (Siraitia grosvenorii Swingle) for its dual related functions. Specifically, this is related to the use of LHK extract for its antimicrobial activities against pathogens Streptococcus mutans, Porphyromonas gingivalis, A. actinomycecomitan, F. nucleatum, and Candida albicans, and its low glycemic index for use by general population as well as the diabetics to improve oral health.