Berberine attenuates arthritis in adjuvant-induced arthritic rats associated with regulating polarization of macrophages through AMPK/NF-кB pathway. 2019

Jing Zhou, and Yun Yu, and Xue Yang, and Ying Wang, and Yining Song, and Qing Wang, and Zhuo Chen, and Shiye Zong, and Min Fan, and Xue Meng, and Changhao Xie, and Feiya Zhou, and Hao Liu, and Fang Wei
School of Pharmacy, Bengbu Medical College, No.2600, Donghai Avenue, Bengbu 233000, Anhui, China.

Berberine (BBR) is a traditional folk medicine with excellent anti-inflammatory properties. This study aimed to investigate the anti-arthritic effects of BBR in adjuvant arthritis (AA) in rats and its regulatory role in the polarization of macrophages. Rats were immunized with Complete Freund's Adjuvant (CFA), and then BBR (40, 80, 160 mg/kg) was administered orally for 14 days. BBR significantly reduced paw swelling and arthritis global assessment as well as alleviated joint destruction and inflammatory cell infiltration. The index of the thymus and thymocyte proliferation were significantly reduced by BBR. Moreover, BBR treatment restrained the phagocytic function of macrophages and restored the balance of M1/M2 by reducing the levels of M1 cytokines (tumour necrosis factor-α, interleukin-1β, and interleukin-6), increasing the levels of M2 cytokines (interleukin-10 and transforming growth factor-β1), increasing the expression of arginase 1(Arg1) (M2 marker) and decreasing the expression of inducible nitric oxide synthase (iNOS) (M1 marker). BBR also downregulated the ratio of Th17/Treg cells. Further research on the adenosine 5'-monophosphate (AMP)-activated protein kinase (AMPK)/nuclear factor κB (NF-κB) pathway found that BBR upregulated the activity of AMPK, while it downregulated the expression of phospho-RelA (p-p65), phospho-NF-kappa-B inhibitor alpha (p-IκBα) and cyclooxygenase (COX)-2. Therefore, our findings suggest BBR has significantly therapeutic effects in AA rats by regulating the polarization of macrophages through the AMPK/NF-кB pathway.

UI MeSH Term Description Entries
D007155 Immunologic Factors Biologically active substances whose activities affect or play a role in the functioning of the immune system. Biological Response Modifier,Biomodulator,Immune Factor,Immunological Factor,Immunomodulator,Immunomodulators,Biological Response Modifiers,Biomodulators,Factors, Immunologic,Immune Factors,Immunological Factors,Modifiers, Biological Response,Response Modifiers, Biological,Factor, Immune,Factor, Immunological,Factors, Immune,Factors, Immunological,Modifier, Biological Response,Response Modifier, Biological
D008264 Macrophages The relatively long-lived phagocytic cell of mammalian tissues that are derived from blood MONOCYTES. Main types are PERITONEAL MACROPHAGES; ALVEOLAR MACROPHAGES; HISTIOCYTES; KUPFFER CELLS of the liver; and OSTEOCLASTS. They may further differentiate within chronic inflammatory lesions to EPITHELIOID CELLS or may fuse to form FOREIGN BODY GIANT CELLS or LANGHANS GIANT CELLS. (from The Dictionary of Cell Biology, Lackie and Dow, 3rd ed.) Bone Marrow-Derived Macrophages,Monocyte-Derived Macrophages,Macrophage,Macrophages, Monocyte-Derived,Bone Marrow Derived Macrophages,Bone Marrow-Derived Macrophage,Macrophage, Bone Marrow-Derived,Macrophage, Monocyte-Derived,Macrophages, Bone Marrow-Derived,Macrophages, Monocyte Derived,Monocyte Derived Macrophages,Monocyte-Derived Macrophage
D008297 Male Males
D010587 Phagocytosis The engulfing and degradation of microorganisms; other cells that are dead, dying, or pathogenic; and foreign particles by phagocytic cells (PHAGOCYTES). Phagocytoses
D002452 Cell Count The number of CELLS of a specific kind, usually measured per unit volume or area of sample. Cell Density,Cell Number,Cell Counts,Cell Densities,Cell Numbers,Count, Cell,Counts, Cell,Densities, Cell,Density, Cell,Number, Cell,Numbers, Cell
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000843 Ankle Joint The joint that is formed by the inferior articular and malleolar articular surfaces of the TIBIA; the malleolar articular surface of the FIBULA; and the medial malleolar, lateral malleolar, and superior surfaces of the TALUS. Ankle Syndesmosis,Articulatio talocruralis,Distal Tibiofibular Joint,Inferior Tibiofibular Joint,Talocrural Joint,Tibiofibular Ankle Syndesmosis,Tibiofibular Syndesmosis,Ankle Joints,Ankle Syndesmoses,Ankle Syndesmosis, Tibiofibular,Distal Tibiofibular Joints,Inferior Tibiofibular Joints,Joint, Ankle,Joints, Ankle,Syndesmosis, Ankle,Talocrural Joints,Tibiofibular Ankle Syndesmoses,Tibiofibular Joint, Distal,Tibiofibular Syndesmoses
D001119 Arginase A ureahydrolase that catalyzes the hydrolysis of arginine or canavanine to yield L-ornithine (ORNITHINE) and urea. Deficiency of this enzyme causes HYPERARGININEMIA. EC 3.5.3.1. Arginase A1,Arginase A4,Hepatic Proliferation Inhibitor,Liver Immunoregulatory Protein,Liver-Derived Inhibitory Protein,Liver-Derived Lymphocyte Proliferation Inhibiting Protein,Immunoregulatory Protein, Liver,Inhibitor, Hepatic Proliferation,Inhibitory Protein, Liver-Derived,Liver Derived Inhibitory Protein,Liver Derived Lymphocyte Proliferation Inhibiting Protein,Proliferation Inhibitor, Hepatic,Protein, Liver Immunoregulatory,Protein, Liver-Derived Inhibitory
D001169 Arthritis, Experimental ARTHRITIS that is induced in experimental animals. Immunological methods and infectious agents can be used to develop experimental arthritis models. These methods include injections of stimulators of the immune response, such as an adjuvant (ADJUVANTS, IMMUNOLOGIC) or COLLAGEN. Adjuvant Arthritis,Arthritis, Adjuvant-Induced,Arthritis, Collagen-Induced,Arthritis, Adjuvant,Collagen Arthritis,Arthritides, Collagen,Arthritis, Collagen,Collagen Arthritides,Collagen-Induced Arthritides,Collagen-Induced Arthritis
D001599 Berberine An alkaloid from Hydrastis canadensis L., Berberidaceae. It is also found in many other plants. It is relatively toxic parenterally, but has been used orally for various parasitic and fungal infections and as antidiarrheal. Umbellatine

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