Compositions and Methods for Assessing and Treating Inflammatory Diseases and Disorders
First Claim
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1. A method of diagnosing an altered microbiota associated with an inflammatory disease or disorder in a subject in need thereof, the method comprising the steps of:
- a. obtaining a fecal sample from a subject,b. obtaining bacterial nucleic acid from the fecal sample,c. amplifying the bacterial nucleic acid using PCR,d. sequencing the amplicons resulting from the amplification of the bacterial nucleic acid using PCR,e. identifying the types of bacteria present in the biological sample obtained from the subject by detecting nucleic acid sequences that are specific to particular types of bacteria,f. quantifying the types of bacteria present in the biological sample obtained from the subject by quantifying nucleic acid sequences that are specific to particular types of bacteria,g. determining the relative proportions of the types of bacteria present in the fecal sample obtained from the subject,h. comparing the relative proportions of the types of bacteria present in the fecal sample obtained from the subject with the relative proportions of the types of bacteria present in a normal microbiota,i. wherein when at least one Lactobacillus spp. is under-represented in the biological sample obtained from the subject, as compared with a normal microbiota, andii. wherein when at least one type of bacteria selected from the group consisting of Prevotellaceae, TM7, Porphyromonadaceae, and Erysipelotrichaceae is over-represented in the biological sample obtained from the subject, as compared with a normal microbiota,i. the subject is diagnosed with an altered microbiota associated with an inflammatory disease or disorder.
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Abstract
The present invention relates to the discovery that the disruption of inflammasome function leads to an altered microbiota that affects the development and progression of inflammatory diseases and disorders. Thus, the invention relates to compositions and methods for detecting and determining the relative proportions of the constituents of a subject'"'"'s microbiota, methods of modifying an altered microbiota population in a subject, and compositions and methods for treating inflammatory diseases and disorders in a subject in need thereof.
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Citations
28 Claims
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1. A method of diagnosing an altered microbiota associated with an inflammatory disease or disorder in a subject in need thereof, the method comprising the steps of:
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a. obtaining a fecal sample from a subject, b. obtaining bacterial nucleic acid from the fecal sample, c. amplifying the bacterial nucleic acid using PCR, d. sequencing the amplicons resulting from the amplification of the bacterial nucleic acid using PCR, e. identifying the types of bacteria present in the biological sample obtained from the subject by detecting nucleic acid sequences that are specific to particular types of bacteria, f. quantifying the types of bacteria present in the biological sample obtained from the subject by quantifying nucleic acid sequences that are specific to particular types of bacteria, g. determining the relative proportions of the types of bacteria present in the fecal sample obtained from the subject, h. comparing the relative proportions of the types of bacteria present in the fecal sample obtained from the subject with the relative proportions of the types of bacteria present in a normal microbiota, i. wherein when at least one Lactobacillus spp. is under-represented in the biological sample obtained from the subject, as compared with a normal microbiota, and ii. wherein when at least one type of bacteria selected from the group consisting of Prevotellaceae, TM7, Porphyromonadaceae, and Erysipelotrichaceae is over-represented in the biological sample obtained from the subject, as compared with a normal microbiota, i. the subject is diagnosed with an altered microbiota associated with an inflammatory disease or disorder. - View Dependent Claims (2, 3)
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4. (canceled)
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5. A method of treating an inflammatory disease or disorder associated with an altered microbiota in a subject in need thereof, by modifying the altered microbiota to that of a normal microbiota, the method comprising the steps of:
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a. administering to the subject at least one type of bacteria that is under-represented in the altered microbiota of the subject, and b. administering to the subject at least one antibiotic to diminish the numbers of at least one type of bacteria that is overrepresented in the altered microbiota. - View Dependent Claims (6, 7, 8, 10)
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9. (canceled)
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11. (canceled)
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12. A method of treating an inflammatory disease or disorder associated with an altered microbiota in a subject in need thereof, the method comprising:
- administering to the subject a therapeutically effective amount of a composition comprising a CCL5 inhibitor.
- View Dependent Claims (13, 15, 17, 18)
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14. (canceled)
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16. (canceled)
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19. (canceled)
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20. A method of treating an inflammatory disease or disorder associated with an altered microbiota in a subject in need thereof, the method comprising:
administering to the subject a therapeutically effective amount of a composition comprising a CCL5 receptor inhibitor. - View Dependent Claims (21, 22, 24, 26, 27)
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23. (canceled)
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25. (canceled)
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28. (canceled)
Specification