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Evaluation of analgesic and antiplatelet activity of 2-((3-(chloromethyl)benzoyl)oxy)benzoic acid.
ProstaglandIns & Other Lipid Mediators ( IF 2.5 ) Pub Date : 2019-07-26 , DOI: 10.1016/j.prostaglandins.2019.106364
Caroline 1 , Kuncoro Foe 1 , Senny Yesery Esar 1 , Ami Soewandi 1 , Hevi Wihadmadyatami 2 , Ratna Megawati Widharna 1 , Wahyu Dewi Tamayanti 1 , Elisabeth Kasih 1 , Yudy Tjahjono 1
Affiliation  

Acetylsalicylic acid is used as a non-steroidal anti-inflammatory drugs (NSAID) and antiplatelet agents by inhibiting cyclooxygenases. However, therapy using acetylsalicylic acid could induce gastric bleeding and cause other gastrointestinal toxicity. The aim of this study was to demonstrate the synthesis of a new compound bearing salicylic acid residue namely 2-((3-(chloromethyl)benzoyl)oxy)benzoic acid, to analyze its potential as a ligand for human cyclooxygenase-2 (COX-2) receptor, to evaluate its toxicity level and its effectiveness for analgesic and antiplatelet agent compared with acetylsalicylic acid. Synthesis of 2-((3-(chloromethyl)benzoyl)oxy)benzoic acid was conducted by microwave irradiation. The purity of this compound was evaluated with TLC, IR, NMR, and EDS spectroscopy. The chemical characterization and docking studies against human COX-2 (PDB:5F1A) was performed in-silico. The acute oral toxicity assay was performed under OECD guidelines. The analgesic activity study was performed by plantar and writhing test on animal model. For anti-platelet activity study, we performed tail-bleeding assay and flow cytometry based platelet aggregation assay. We could successfully synthesize a pure white crystalline 2-((3-(chloromethyl)benzoyl)oxy)benzoic acid. In-Silico G-Score result of those compounds gives us preliminary hint of the potential affinity of this compound as a ligand for COX-2 receptor (PDB: 5F1A). Acute toxicity and microscopic gastrointestinal assessments indicated non-observable harmful toxicity parameters. The plantar response time of 2-((3-(chloromethyl)benzoyl)oxy)benzoic acid treated groups showed a significant increment (P < 0.01), and the nociceptive response in writhing test demonstrated a significant dose-dependent decrement. This indicated that its analgesic activity was better than acetylsalicylic acid. The platelet aggregation of 2-((3-(chloromethyl)benzoyl)oxy)benzoic acid was lower than its controls, indicating an aggregation inhibition pattern. The animals treated with 2-((3-(chloromethyl)benzoyl)oxy)benzoic acid gave a longer bleeding time. Overall, this study demonstrated a successful synthesis of pure 2-((3-(chloromethyl)benzoyl)oxy) benzoic acid. We postulated that this compound was better than acetylsalicylic acid, exhibiting excellent analgesic and antiplatelet activity with no toxicity impact.

中文翻译:

评价2-((3-(氯甲基)苯甲酰基)氧基)苯甲酸的镇痛和抗血小板活性。

乙酰水杨酸通过抑制环氧合酶被用作非甾体类抗炎药(NSAID)和抗血小板药。然而,使用乙酰水杨酸的疗法可能引起胃出血并引起其他胃肠道毒性。这项研究的目的是证明具有水杨酸残基的新型化合物2-(((3-(氯甲基)苯甲酰基)氧基)苯甲酸的合成,以分析其作为人环加氧酶2(COX- 2)受体,以评估其毒性水平以及与乙酰水杨酸相比对止痛药和抗血小板药的有效性。通过微波辐射合成2-((3-(氯甲基)苯甲酰基)氧基)苯甲酸。用TLC,IR,NMR和EDS光谱法评估该化合物的纯度。在计算机上进行了针对人类COX-2(PDB:5F1A)的化学表征和对接研究。急性经口毒性试验是根据OECD指南进行的。通过动物模型的足底和扭体试验进行镇痛活性研究。对于抗血小板活性研究,我们进行了尾巴出血分析和基于流式细胞仪的血小板聚集分析。我们可以成功地合成纯净的白色结晶2-(((3-(氯甲基)苯甲酰基)氧基)苯甲酸。这些化合物的In-Silico G-Score结果为我们提供了该化合物作为COX-2受体(PDB:5F1A)配体的潜在亲和力的初步提示。急性毒性和微观胃肠道评估表明,不可观察到的有害毒性参数。2-((3-(氯甲基)苯甲酰基)氧基)苯甲酸处理组的足底反应时间显示出显着的增加(P <0.01),扭体试验中的伤害感受性显示出剂量依赖性的显着下降。这表明其镇痛活性优于乙酰水杨酸。2-((3-(氯甲基)苯甲酰基)氧基)苯甲酸的血小板聚集度低于其对照,表明存在聚集抑制模式。用2-(((3-(氯甲基)苯甲酰基)氧基)苯甲酸处理的动物出血时间更长。总体而言,这项研究表明成功合成了纯的2-((3-(氯甲基)苯甲酰基)氧基)苯甲酸。我们推测该化合物优于乙酰水杨酸,具有出色的止痛和抗血小板活性,且无毒性影响。扭体试验中的伤害性反应表现出明显的剂量依赖性下降。这表明其镇痛活性优于乙酰水杨酸。2-((3-(氯甲基)苯甲酰基)氧基)苯甲酸的血小板聚集度低于其对照,表明存在聚集抑制模式。用2-(((3-(氯甲基)苯甲酰基)氧基)苯甲酸处理的动物出血时间更长。总体而言,这项研究表明成功合成了纯的2-((3-(氯甲基)苯甲酰基)氧基)苯甲酸。我们推测该化合物优于乙酰水杨酸,具有出色的止痛和抗血小板活性,且无毒性影响。扭体试验中的伤害性反应表现出明显的剂量依赖性下降。这表明其镇痛活性优于乙酰水杨酸。2-((3-(氯甲基)苯甲酰基)氧基)苯甲酸的血小板聚集度低于其对照,表明存在聚集抑制模式。用2-(((3-(氯甲基)苯甲酰基)氧基)苯甲酸处理的动物出血时间更长。总体而言,这项研究表明成功合成了纯的2-((3-(氯甲基)苯甲酰基)氧基)苯甲酸。我们推测该化合物优于乙酰水杨酸,表现出出色的止痛和抗血小板活性,并且没有毒性影响。这表明其镇痛活性优于乙酰水杨酸。2-((3-(氯甲基)苯甲酰基)氧基)苯甲酸的血小板聚集度低于其对照,表明存在聚集抑制模式。用2-(((3-(氯甲基)苯甲酰基)氧基)苯甲酸处理的动物出血时间更长。总体而言,这项研究表明成功合成了纯的2-((3-(氯甲基)苯甲酰基)氧基)苯甲酸。我们推测该化合物优于乙酰水杨酸,具有出色的止痛和抗血小板活性,且无毒性影响。这表明其镇痛活性优于乙酰水杨酸。2-((3-(氯甲基)苯甲酰基)氧基)苯甲酸的血小板聚集度低于其对照,表明存在聚集抑制模式。用2-(((3-(氯甲基)苯甲酰基)氧基)苯甲酸处理的动物出血时间更长。总体而言,这项研究表明成功合成了纯的2-((3-(氯甲基)苯甲酰基)氧基)苯甲酸。我们推测该化合物优于乙酰水杨酸,具有出色的止痛和抗血小板活性,且无毒性影响。这项研究表明成功合成了纯的2-((3-(氯甲基)苯甲酰基)氧基)苯甲酸。我们推测该化合物优于乙酰水杨酸,具有出色的止痛和抗血小板活性,且无毒性影响。这项研究表明成功合成了纯的2-((3-(氯甲基)苯甲酰基)氧基)苯甲酸。我们推测该化合物优于乙酰水杨酸,表现出出色的止痛和抗血小板活性,并且没有毒性影响。
更新日期:2019-11-01
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