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<p>Rheumatoid arthritis (RA), a systemic autoimmune disease, is related with the symmetrical synovitis of the joints which causes joint pain. The intake of anti-rheumatic drugs can lead to several adverse effects. Phytochemicals are effective in treating arthritis, diabetes, cancer, autoimmune, and infectious diseases. Guaiazulene (GA) is found in various plants such as <i>Matricaria chamomilla</i> L., and its anti-arthritic potential is still not validated. The purpose of this research was to evaluate anti-arthritic effect of GA in Wistar rats. For anti-arthritic study on day 1, 0.15&#xa0;ml Complete Freund’s Adjuvant was injected in the tail vein of each rat and same concentration injected on footpad of left hind paw on 3rd day except normal control. Treatment was started orally from day 8–28th (21&#xa0;days) as normal and disease controls served with vehicle, standard group with methotrexate other 3 groups served with GA at doses of 20,40, and 60&#xa0;mg/kg correspondingly whereas 7th group served with combination of GA (60&#xa0;mg/kg) and MTX. Treatment with GA monotherapy and in combination markedly reduced the swelling, pain and clinical arthritic scoring and reinstated weight of body biochemical and hematological parameters in treated rats as equated to disease control. The GA in combination significantly moderated the oxidation status in liver and sciatic nerve homogenates of treated animals. Treatment with GA mainly in combination notably reinstated TNF-α, IL-6, NF-ĸβ, COX-2 and IL-4 expression as quantified by qRT-PCR in contrast to disease group. It can be concluded from data that the combination of GA with MTX showed noticeable anti-arthritic potential and can be used for treating after conducting safety and clinical studies.</p> Graphical abstract <p></p>

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Amelioration of experimentally induced-arthritis by guaiazulene through targeting inflammatory and oxidative stress biomarkers in Wistar rat

  • 期刊论文

  • 发表日期：

    2026年4月25日

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  • Ammara Saleem,
  • Arooj Fatima,
  • Muhammad Furqan Akhtar

摘要

Rheumatoid arthritis (RA), a systemic autoimmune disease, is related with the symmetrical synovitis of the joints which causes joint pain. The intake of anti-rheumatic drugs can lead to several adverse effects. Phytochemicals are effective in treating arthritis, diabetes, cancer, autoimmune, and infectious diseases. Guaiazulene (GA) is found in various plants such as Matricaria chamomilla L., and its anti-arthritic potential is still not validated. The purpose of this research was to evaluate anti-arthritic effect of GA in Wistar rats. For anti-arthritic study on day 1, 0.15 ml Complete Freund’s Adjuvant was injected in the tail vein of each rat and same concentration injected on footpad of left hind paw on 3rd day except normal control. Treatment was started orally from day 8–28th (21 days) as normal and disease controls served with vehicle, standard group with methotrexate other 3 groups served with GA at doses of 20,40, and 60 mg/kg correspondingly whereas 7th group served with combination of GA (60 mg/kg) and MTX. Treatment with GA monotherapy and in combination markedly reduced the swelling, pain and clinical arthritic scoring and reinstated weight of body biochemical and hematological parameters in treated rats as equated to disease control. The GA in combination significantly moderated the oxidation status in liver and sciatic nerve homogenates of treated animals. Treatment with GA mainly in combination notably reinstated TNF-α, IL-6, NF-ĸβ, COX-2 and IL-4 expression as quantified by qRT-PCR in contrast to disease group. It can be concluded from data that the combination of GA with MTX showed noticeable anti-arthritic potential and can be used for treating after conducting safety and clinical studies.

Graphical abstract