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Abstract Title:

Anti-inflammatory potential of berberine-rich extract via modulation of inflammation biomarkers.

Abstract Source:

J Food Biochem. 2022 Sep 19:e14389. Epub 2022 Sep 19. PMID: 36121315

Abstract Author(s):

Iram Naz, Muhammad Shareef Masoud, Zunera Chauhdary, Muhammad Ajmal Shah, Pharkphoom Panichayupakaranant

Article Affiliation:

Iram Naz

Abstract:

Berberine-rich extract (BRE) prepared from Berberis lycium root bark using green extraction approach and its marker compound berberine has a broad spectrum of clinical applications. Berberine's potential pharmacological effects include anticancer, antidiarrheal, antidiabetic, antimicrobial and anti-inflammatory activities. In current work, BRE and berberine were evaluated for their therapeutic prospects in inflammation models. The comparative effect of BRE and berberine against inflammation was determined through in vitro chemiluminescence technique. The in vivo anti-inflammatory evaluation of BRE and berberine (25, 75, and 125 mg/kg) compared to diclofenac (10 mg/kg) was performed in carrageenan and formaldehyde-induced inflammation in Wistar rats. Histopathological and biochemical studies were conducted to find the comparative anti-inflammatory potential of BRE and berberine on pathological hallmarks induced by formaldehyde. Moreover, the modulatory effects on inflammatory biomarkers were also investigated through qPCR. ELISA (enzyme-linked immunoassay test assay) was performed to investigate the expression of pathological protein biomarkers like TNF-α and IL-6 and levels of antioxidant enzymes were estimatedin liver homogenates. Both BRE and berberine markedly (p < .001) reduced paw diameter and inflammation in carrageenan and formaldehyde-induced inflammation. The levels of antioxidant enzymes were recovered (p < .001) by BRE and berberine treatments, and compared to the formaldehyde-treated inflammation model. Both BRE and berberine remarkably downregulated the mRNA and protein expression of inflammatory biomarkers. BRE similar to berberine mitigated the level of antioxidant enzymes in liver homogenate.The undertaken study suggests that BRE, a natural, green, and therapeutically bioequivalent to berberine could be used as an economical phytomedicine in the treatment of inflammatory disorders. PRACTICAL APPLICATIONS: Anti-inflammatory drugs like NSAIDS are associated with serious adverse effects like gastrointestinal ulcer, worsening of preexisting cardiovascular disorders, and renal failure. Therefore, there is a constant demand to develop novel, inexpensive therapeutic strategies to treat the inflammatory disorder with the least harmful effects. Pure phytochemicals with anti-inflammatory potential are costly and hard to isolate, therefore green microwave-assisted extraction technique is developed to get the rich bioequivalent extract. Berberis lycium a medicinal plant with berberine as a major bioactive constituent, has wide acceptance in traditionally used medicine and as food. Pharmacological studies revealed its hepatoprotective, anticancer, antidiabetic, and antihypertensive activities. BRE was prepared by green microwave-assisted extraction and enrichment by resin column to get a higher yield of berberine. The comparative anti-inflammatory effect of BRE and berberine was determined by in vitro and in vivo studies. Results obtained from this experimental work contribute beneficial guidance that reinforces the use of the BRE to treat inflammatory disorders.

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