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196results about How to "Reduce adverse side effects" patented technology

Pyrrole and pyrazole DAAO inhibitors

Methods for increasing D-Serine concentration and reducing concentration of the toxic products of D-Serine oxidation, for enhancing learning, memory and/or cognition, or for treating schizophrenia, Alzheimer's disease, ataxia or neuropathic pain, or preventing loss in neuronal function characteristic of neurodegenerative diseases involve administering to a subject in need of treatment a therapeutically effective amount of a compound of formula I, or a pharmaceutically acceptable salt or solvate thereof:
wherein
    • [0001]
    • R1 and R2 are independently selected from hydrogen, halo, nitro, alkyl, acyl, alkylaryl, and XYR5;
    • [0002]
    • or R1 and R2, taken together, form a 5, 6, 7 or 8-membered substituted or unsubstituted carbocyclic or heterocyclic group;
    • [0003]
    • X and Y are independently selected from O, S, NH, and (CR6R7)n;
    • [0004]
    • R3 is hydrogen, alkyl or M+; M is aluminum, calcium, lithium, magnesium, potassium, sodium, zinc ion or a mixture thereof;
    • [0005]
    • Z is N or CR4;
    • [0006]
    • R4 is from selected from hydrogen, halo, nitro, alkyl, alkylaryl, and XYR5;
    • [0007]
    • R5 is selected from aryl, substituted aryl, heteroaryl and substituted heteroaryl;
    • [0008]
    • R6 and R7 are independently selected from hydrogen and alkyl; n is an integer from 1 to 6;
    • [0009]
    • at least one of R1, R2 and R4 is other than hydrogen; and
    • [0010]
    • at least one of X and Y is (CR6R7)n. D-serine or cycloserine may be coadministered along with the compound of formula I.
Owner:SEPACOR INC

Fuscoporia obliqua active ingredients capable of lowering blood sugar and preparation method and application of fuscoporia obliqua active ingredients

The invention discloses fuscoporia obliqua active ingredients capable of lowering blood sugar and a preparation method and application of the fuscoporia obliqua active ingredients. The preparation method takes fuscoporia obliqua fruit body as raw material and comprises the following steps: respectively extracting, filtering and concentrating the fuscoporia obliqua fruit body with normal temperature water and high temperature water; adding alcohol into concentrate and depositing to obtain crude polysaccharide; respectively pouring the polysaccharide extracted with normal temperature water and the crude polysaccharide extracted with high temperature water to flow through a (diethylaminoethanol) DEAE-52 cellulose column; carrying out subsection elution by using distilled water and NaCl solutions with different concentrations; and collecting stepwise elution peak sugar solution. Internal blood sugar reduction activity experiment shows that 0.2mol/L NaCl-section eluted sugar of the crude polysaccharide extracted with normal temperature water and 0.2mol/L NaCl-section eluted sugar of the crude polysaccharide extracted with high temperature water both have obvious blood sugar reduction activity, same blood sugar reduction activity with the blood sugar reduction medicine of metformin hydrochloride, and no obvious toxic or side effect.
Owner:CHINA AGRI UNIV
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