118 results about "Chlamydia trachomatis" patented technology

The present invention relates to nanosilver-containing antibacterial and antifungal granules ("NAGs"). The NAGs have longlasting inhibitory effect on a broad-spectrum of bacteria and fungi, which include, but are not limited to, Escherichia coli, Methicillin resistant Staphylococcus aureus, Chlamydia trachomatis, Providencia stuartii, Vibrio vulnificus, Pneumobacillus, Nitrate-negative bacillus, Staphylococcus aureus, Candida albicans, Bacillus cloacae, Bacillus allantoides, Morgan's bacillus (Salmonella morgani), Pseudomonas maltophila, Pseudomonas aeruginosa, Neisseria gonorrhoeae, Bacillus subtilis, Bacillus foecalis alkaligenes, Streptococcus hemolyticus B, Citrobacter, and Salmonella paratyphi C. The NAGs contain ground stalk marrow of the plant Juncus effusus L. which has been dispersed with nanosilver particles. The nanosilver particles are about 1-100 nm in diameter. Each of the nanosilver particles contain a metallic silver core which is surrounded by silver oxide. The present invention also provides a process for making the NAGs. The NAGs can be used in a variety of healthcare and industrial products. Examples of the healthcare products include, but are not limited to, ointments or lotions to treat skin trauma, soaking solutions or cleansing solutions for dental or women hygiene, medications for treating gastrointestinal bacteria infections, sexual related diseases, and eye diseases. Examples of industrial products include, but are not limited to, food preservatives, water disinfectants, paper disinfectants, construction filling materials (to prevent mold formation).

The invention relates to immunogenic compositions comprising combinations of Chlamydia trachomatis antigens and their use in vaccines. The composition may comprise at least two components, one component of which comprises Chlamydia trachomatis antigens for eliciting a Chlamydia trachomatis specific TH1 immune response and another component of which comprises antigens for eliciting a Chlamydia trachomatis specific TH2 immune response. The invention further relates to an immunogenic composition comprising a Chlamydia trachomatis Type III secretion system (TTSS) regulatory protein and a Chlamydia trachomatis Type III secretion system (TTSS) secreted protein or a fragment thereof. The invention further relates to the use of combinations of adjuvants for use with antigens associated with a sexually transmissible disease, such as Chlamydia trachomatis antigens. Preferred adjuvant combinations include mineral salts, such as aluminium salts and oligonucleotides comprising a CpG motif. The invention further provides a combination of Chlamydia trachomatis antigens comprising a Chlamydia trachomatis antigen that is conserved over at least two serovars.

A soft, pliable cellulose acetate phthalate (CAP)—hydroxypropyl cellulose (HPC) composite film is provided which is generated by casting from organic solvent mixtures containing ethanol. The film rapidly reduces the infectivity of several sexually transmitted disease pathogens, including the human immunodeficiency virus (HIV-1), herpesvirus (HSV), non-viral sexually transmitted disease pathogens (such as Neisseria gonorrhoeae, Haemophilus ducreyi, Chlamydia trachomatis and Treponema pallidum) and bacteria associated with bacterial vaginosis (BV). The film is converted into a gel/cream and thus does not have to be removed following application and use. In addition to being a topical microbicide, the film can be employed for the mucosal delivery of pharmaceuticals other than cellulose acetate phthalate.

A tablet for insertion into a vagina including 0.01 to 500 mg of a vaginal medication, such as a microbicide, such as cellulose acetate 1,2-benzenedicarboxylate (CAP); 100 to 500 mg of mannitol powder; 50 to 300 mg of inert microcrystalline cellulose; 10 to 80 mg of hydroxypropyl methylcellulose; 50 to 250 mg of glycerol and optionally 2 to 4 mg of at least one preservative which protects against microbicidal contamination and discourages the growth of yeast in the vagina. The tablet which includes CAP as the vaginal medication is vaginally administered before coitus in methods for preventing the sexual transmission of HIV-1, HIV-2, herpesvirus, or an infection caused by Neisseria gonorrhoeae, Chlamydia trachomatis, Trichomonas vaginalis, Haemophilus ducreyi or Treponema pallidum. The tablet which includes CAP as the vaginal medication is vaginally administered to prevent or treat bacterial vaginosis.

The present invention provides novel methods for determining the presence or absence of Chlamydia in a patient, as well as diagnostic kits useful in practicing the methods of the invention. The methods of the invention are based on nucleic acid amplification reactions to detect both Chlamydia genomic and cryptic plasmid sequences. In one embodiment, the methods involve using nucleic acid primers to specifically amplify the Chlamydia trachomatis ompA gene and cryptic plasmid. These methods provide both enhanced reliability and sensitivity of detection, thereby providing an accurate determination of the presence or absence of Chlamydia trachomatis in a patient.

The invention relates to a fluorescence PCR (polymerase chain reaction) detection method for diagnosing infection of Chlamydia trachomatis (CT), neisseria gonorrhoeae (NG) and ureaplasma urealyticum (UU), which belongs to the field of nucleic acid in vitro diagnosis. The method comprises a polymerase chain reaction (PCR) system based on fluorescence PCR technology, contains a forward primer and areverse primer aiming at the CT/the NG/the UU and a fluorescent probe, and can detects DNA of three pathogens such as the CT, the NG, the UU and the like simultaneously in a reaction tub under suitable PCR condition. The method can diagnosing the infection of the CT/the NG/the UU in a clinical sample simply, conveniently and rapidly, has high sensitivity and specificity, and has important clinical value to early control and prevention of relevant genitourinary tract infections, blocking of an infection sources, and infection reduction of related pathogen.

The invention discloses a quality control substance used for testing chlamydia trachomatis, belonging to the field of clinical ecsomatics and biotechnology. The quality control substance used for testing chlamydia trachomatis contains nucleotide sequence or complementary sequence thereof which is shown by sequence tables of SEQ ID No.1 to SEQ ID No.4. The quality control substance has the advantages that (1) by adopting overlapping PCR and the method of double enzyme digestion, a simple and effective method for connecting and constructing segments with a plurality of intervals into the same carrier is set up, and the probability of lower efficiency in long distance PCR is avoided by directed cloning, so that the two methods can be combined for use to make up for the deficiencies of each other. (2) Clinical specimen which can be simulated and has no biological infection fatalness is successfully obtained, and the quality control substance for testing polymerase chain reaction of the chlamydia trachomatis can be produced in large quantity, is stored stably and has better applicability.

An isolated sequence or peptide isolated from an E2, E4, E6, E7 early or late coding region of human papillomavirus (HPV) that is soluble in aqueous medium, and characterized by a linkage to another protein sequence or peptide isolated from the E2, E4, E6, E7 early or late coding region of HPV by a spacer sequence, wherein the isolated protein sequence or peptide consists of more than 50% hydrophilic amino acids, and is recognized by a specific antibody of HPV. Also disclosed are isolated protein sequences or peptides from Harvey Ras (H-Ras), Kirsten Ras (K-Ras), and phosphatase and tensin homologue (PTEN) tumor suppressor proteins and Chlamydia trachomatis heat shock protein 60 (CHSP60 groEL1) and methods for detecting or diagnosing cancer or cellular abnormalities.

The present invention is related to antigens from Chlamydia trachomatis which are recognized by specific antibodies from individuals infected with Chlamydia or which can induce T cells from the same individuals to secrete gamma-interferon. The T cell reactive antigens are present in a whole-cell lysate and have apparent molecular weights of 5-12, 16-20, 25-35 and 58-74 kDa as determined by SDS-PAGE. The antigens of the invention are useful in vaccines but also as diagnostic compositions.

The present invention relates to primers and probes that can be used in various assays to detect a new strain of Chlamydia trachomatis. The invention further provides for the simultaneous detection of other diseases, especially Neisseria gonorrhoeae.

The invention discloses a synchronizing detection PCR agent box (hepatitis B virus, human immunodeficiency virus, human breast tumor virus, lues helicoid, human cytomegalovirus, simple herpesvirus, white oidiomycin, urea-dissolving mycoplasma, gonotoxin and Chlamydi trachomatis), which consists of blood type and secretion stains type. The user adds predisposed sample in the enlarging pipe to start enlarging reaction, which finishes detecting work simply and rapidly. The invention can detect ten venereal disease causal agents, which is fit for customs quarantine, prevailing monitor and hospital screen examination.

The invention discloses a nano-silver cleaning sterilizing shower gel which is prepared by the following materials according to weight percentage: 15 percent to 25 percent of surfactant (AES), 8 percent to 12 percent of mild surfactant, 8 percent to 12 percent of amphoteric surfactant, 0.001 percent to 0.01 percent of nano-silver, 0.1 percent to 0.3 percent of chelating agent, 0.1 percent to 0.2 percent of citric acid (Acd), 0.2 percent to 1 percent of flavor, 50 percent to 70 percent of distilled water, 0.1 percent to 0.2 percent of preservative and 1 percent to 3 percent of thickener. The preparation method is as follows: the nano-silver particles are dissolved in the distilled water and uniformly mixed with the chelating agent after floating particles are filtrated; then the mixture is heated to the constant temperature of 80 DEG C and the surfactant is added into the mixture and uniformly mixed; after the mild surfactant is added into the mixture and uniformly mixed, the amphoteric surfactant is added into the mixture and the mixture is cooled to 45 DEG C; the citric acid is added into the mixture and uniformly mixed, and the pH value is adjusted to be between 5.5 and 7.0; during the cooling, the flavor, the preservative, the thickener and pigments are added in sequence and blended while being added until the temperature drops to the room temperature. The shower gel has strong bactericidal function to chlamydia trachomatis and the neisseria gonorrhoeae of sexually transmitted diseases.

The invention provides a gene chip used for detecting the common pathogens of sexually transmitted diseases and a kit used for detection, wherein, the gene chip includes a solid phase vector and an oligonucleotide probe fixed on the solid phase vector; the oligonucleotide probe mainly comprises a DNA segment or a complementary DNA segment thereof which is selected from Diplococcus gonorrhoeae, Ureaplasma urealyticum and the 16S rRNA gene of M.hominis, the outer membrane protein gene (ompA gene) of a Chlamydia trachomatis, the glycosidoprotein B gene (gB gene) of a herpes simplex virus (HSV) and the L1 gene of a papilloma virus (HPV). The gene chip and the kit can be utilized for achieving the goal of detecting the common pathogens of sexually transmitted diseases; the gene chip and the kit for detection are simple and convenient to be operated, have high flux, accuracy and repetitiveness; and the gene chip and the kit for detection can be applied to the clinic detection and epidemiology analyzing of medical and health organizations.

Provided are non-competitive internal controls for use in nucleic acid tests (NATs), which are obtained from the organisms Methanobacterium thermoautrophicum (MET) and Zea mays (Corn). The non-competitive internal controls have utility in DNA and RNA NATs selected from Influenza A, Influenza B, parainfluenza viruses 1 to 4 (PIV-1 to PIV-4), respiratory syncytial virus type A (RSV A), RSV B, human metapneumovirus (hMPV), Chlamydia trachomatis (CT), and Neisseria gonorrhea (GC), Hepatitis B virus (HBV), Hepatitis C virus (HCV), Human Immunodeficiency Virus I (HIV-1), and Severe Acute Respiratory Syndrome (SARS).

The invention discloses a gonococcus, chlamydia trachomatis and ureaplasma urealyticum detection kit. The detection kit comprises a gene chip (1) and various primers (2), wherein the gene chip carries (i) nucleotide probes of different pathogens, (ii) a biotin point-labeled DNA (deoxyribonucleic acid) sequence and (iii) a DNA sequence carrying beta-globulin encoding part; the nucleotide probes are a sequence of SEQ ID Nos:1-3 or a sequence complementary to SEQ ID Nos:1-3; the biotin point-labeled DNA sequence is SEQ ID No.4; the DNA sequence carrying beta-globulin encoding part serving as an internal control point is SEQ ID No.5; and various primers are used for amplifying the DNA sequences in a clinical sample, and have DNA sequences of SEQ ID Nos.6-11. The kit can quickly and accuratelydetect infections of gonococcus, chlamydia trachomatis and ureaplasma urealyticum, and has magnificent meaning to pathogen detection.

A region of the Chlamydia trachomatis cytotoxin gene has been identified which is useful for performing amplification assays to determine specifically whether C. trachomatis is present in the sample being tested. Oligonucleotides useful for performing thermal Strand Displacement Assay (tSDA) reactions on this gene are disclosed. The disclosed oligonucleotides can be used in an assay which is specific for multiple strains of C. trachomatis and which does not show cross reactivity with the genomes of other microorganisms or with human DNA.