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Methanolic extract of Clausena excavata promotes wound healing via antiinflammatory and anti-apoptotic activities

Asian Pacific Journal of Tropical Biomedicine 2020年第5期10卷 232-238页

作者： Shaymaa Fadhel Abbas Albaayit abdullah Rasedee noorlidah abdullah Yusuf Abba Department of Biology College of ScienceUniversity of BaghdadBaghdad-Iraq Department of Veterinary Laboratory Diagnosis Faculty of Veterinary MedicineUniversiti Putra Malaysia43400SerdangSelangorMalaysia Institute of Biological Sciences Faculty of ScienceUniversity of Malaya50603 Kuala LumpurMalaysia Department of Veterinary Pathology and Microbiology Faculty of Veterinary MedicineUniversiti Putra Malaysia43400 SerdangSelangorMalaysia

Objective: To investigate the anti-inflammatory properties of methanolic extract of Clausena excavata in lipopolysaccharide(LPS)-activated macrophages(J774 A.1) and the effect on skin wound in a rat model through determining cytokine levels and gene expressions. Methods: The effects of methanolic extract of Clausena excavata on in vitro viability and TNF-α, IL-6, IL-10, and nitric oxide release by LPS-activated J774 A.1 cells were determined. In addition, relative expressions of BAX, BCL-2 and COX-2 genes were examined in healed wounds of rats. Results: The methanolic extract of Clausena excavata was not toxic to J774 A.1 cells at the highest dose of 400 μg/m L. It decreased levels of TNF-α and IL-6, while increasing IL-10 level in LPSactivated J774 A.1 cells and in the healed wounds of rats. The methanolic extract of Clausena excavata also inhibited nitric oxide production in LPS-activated J774 A.1 cells. The BAX and COX-2 genes were downregulated while the BCL-2 gene was upregulated in the healed wound of rats. Conclusions: The methanolic extract of Clausena excavata promotes wound healing via its anti-inflammatory and anti-apoptotic activities.

关键词： Clausena excavata leaves Anti-inflammatory cytokines Cytotoxicity Apoptotic genes

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Free radical scavenging potential of Lagenaria siceraria(Molina) Standl fruits extract

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Asian Pacific Journal of Tropical Medicine 2013年第1期6卷 20-26页

作者： Vijayakumar Mayakrishnan Selvi Veluswamy Krishnakumari Shanmuga Sundaram Priya Kannappan noorlidah abdullah Institute of Biological Science Faculty of ScienceUniversity of MalayaKuala Lumpur-50603Malaysia Department of Biochemistry Kongunadu Arts and ScienceCoimbatore-641029TamilnaduIndia Department of Biochemistry.PSG college of Arts and Science Coimbatore-641029TamilnaduIndia

Objective:To elucidate free radical scavenging activity of ethanolic extract Lagenaria siceraria （***）（Molina） ***:The free radical scavenging activity of the L siceraria （Molina） fruit extract was assayed by usingα,α-diphenyl-β-picrylhydrazyl（DPPH）. 2,20-azinobis 3-ethyl henzothiazoline-6-sulfonate（ABTS）,FRAP,reducing power,chelating ability andβ-carotene bleaching ***:The IC50values of DPPH and ABTS radicalscavenging activity was found to be 1.95 mg/mL and 19 mg/mL,*** ferrous chelation assay,the percentage of inhibition was found to be 89.21%.The reducing power of ethanolic extract of L siceraria（Molina） fruit was 0.068 at 1 mg/mL and increased to 0.192 at 5 mg/mL Theβ-carotene linoleate bleaching assay was 46.7%at 5 mg/mL and antioxidant activity using FRAP at 0.305 for 1 mg/mL to 0.969 for 5 mg/mL Conclusions:The results indicate that L siceraria （Molina） fruit could be an important sources of natural radical scavengers.

关键词： Lagenaria siceraria Antioxidant DPPH ABTS Free radical

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