Diflunisal pharmaceutical composition and medical application thereof
A technology of diflunisal and its composition, which is applied in the field of pharmaceutical composition and its application in AIDS, can solve the problems that have not been reported related to AIDS of diflunisal, and achieve outstanding substantive features and improved treatment effect , the effect of significant progress
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Embodiment 1
[0018] Example 1: Compound (I) Separation Preparation and Structure Confirmation
[0019] Separation method: (a) Grind the red ginseng (2kg), extract with 80% ethanol under heat reflux (15L×3 times), combine the extracts, concentrate until no alcohol smell (3L), and then use petroleum ether (3L×3 times) ), ethyl acetate (3L × 3 times) and water-saturated n-butanol (3L × 3 times) were extracted to obtain sherwood oil extract, ethyl acetate extract and n-butanol extract respectively; (b) step (a ) in the ethyl acetate extract with D101 type macroporous resin to remove impurities, first elute 8 column volumes with 25% ethanol, then elute 12 column volumes with 70% ethanol, collect 70% eluate, and concentrate under reduced pressure Obtain 70% ethanol elution concentrate; (c) in step (b), 70% ethanol elution concentrate is separated with normal phase silica gel, is 85:1 (10 column volumes), 45:1 (8 column volumes) successively with volume ratio column volume), 25:1 (10 column volu...
Embodiment 2
[0022] Embodiment 2: pharmacological action
[0023] In this example, rhesus monkeys were inoculated intravenously with SIVmac virus solution to prepare AIDS model monkey models, and the drugs were observed to improve CD 4+ Cell percentage and CD 4+ / CD 8+ Ratio, and promote T, B lymphocyte proliferation and other aspects of the anti-AIDS effect.
[0024] 1. Materials and methods
[0025] 1.1 Animals
[0026] Rhesus monkeys weighing 5-7kg, healthy males, no SIV positive by PCR test before infection, normal blood routine, provided by the Institute of Experimental Animals, Chinese Academy of Medical Sciences.
[0027] 1.2 Reagents and samples
[0028] Diflunisal was purchased from China Institute for the Control of Pharmaceutical and Biological Products. Compound (I) is self-made, and the preparation method is shown in Example 1. Monoclonal antibodies were purchased from the Biological Agents Development Center of the Academy of Military Medical Sciences. AZT (azidethymi...
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