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Kim HH, Jeong SH, Park MY, Bhosale PB, Abusaliya A, Kim HW, Seong JK, Ahn M, Park KI, Heo JD, Kim YS, Kim GS. Potential Joint Protective and Anti-Inflammatory Effects of Integrin α vβ 3 in IL-1β-Treated Chondrocytes Cells. Biomedicines 2023; 11:2745. [PMID: 37893118 PMCID: PMC10603936 DOI: 10.3390/biomedicines11102745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 10/06/2023] [Accepted: 10/09/2023] [Indexed: 10/29/2023] Open
Abstract
In osteoarthritis (OA), the articular cartilage covering the articular surface of the bone wears out, exposing the subchondral bone, and the synovial membrane surrounding the joint becomes inflamed, causing pain and deformity. OA causes pain, stiffness, and swelling, and discomfort in the knee when climbing stairs is a typical symptom. Although drug development studies are conducted to treat these inflammatory joint diseases, it is difficult to find conclusive research results which could reduce inflammation and slow cartilage tear. The development of drugs to relieve inflammatory pain often utilizes inflammatory triggers. Interleukins, one of the proteins in the limelight as pro-inflammatory factors, are immune-system-stimulating factors that promote the body's fight against harmful factors such as bacteria. In this study, inflammation was induced in Chondrocytes cells (Chon-001 cells) with IL-1β and then treated with integrin αvβ3 to show anti-inflammatory and chondrogenesis effects. Integrin αvβ3 was not toxic to Chon-001 cells in any concentration groups treated with or without IL-1β. COX-2 and iNOS, which are major markers of inflammation, were significantly reduced by integrin αvβ3 treatment. Expressions of p-ERK, p-JNK, and p-p38 corresponding to the MAPKs signaling pathway and p-IκBα and p-p65 corresponding to the NF-κB signaling pathway were also decreased in a dose-dependent manner upon integrin αvβ3 treatment, indicating that inflammation was inhibited, whereas treatment with integrin αvβ3 significantly increased the expression of ALP, RUNX2, BMP2, BMP4, Aggrecan, SOX9, and COL2A1, suggesting that osteogenesis and chondrogenesis were induced. These results suggest that integrin αvβ3 in-duces an anti-inflammatory effect, osteogenesis, and chondrogenesis on IL-1β-induced Chon-001 cells.
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Affiliation(s)
- Hun Hwan Kim
- Research Institute of Life Science and College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.H.K.); (S.H.J.); (M.Y.P.); (P.B.B.); (A.A.); (K.I.P.)
| | - Se Hyo Jeong
- Research Institute of Life Science and College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.H.K.); (S.H.J.); (M.Y.P.); (P.B.B.); (A.A.); (K.I.P.)
| | - Min Yeong Park
- Research Institute of Life Science and College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.H.K.); (S.H.J.); (M.Y.P.); (P.B.B.); (A.A.); (K.I.P.)
| | - Pritam Bhagwan Bhosale
- Research Institute of Life Science and College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.H.K.); (S.H.J.); (M.Y.P.); (P.B.B.); (A.A.); (K.I.P.)
| | - Abuyaseer Abusaliya
- Research Institute of Life Science and College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.H.K.); (S.H.J.); (M.Y.P.); (P.B.B.); (A.A.); (K.I.P.)
| | - Hyun Wook Kim
- Division of Animal Bioscience & Intergrated Biotechnology, Jinju 52725, Republic of Korea;
| | - Je Kyung Seong
- Laboratory of Developmental Biology and Genomics, BK21 PLUS Program for Creative Veterinary Science Research, Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea;
| | - Meejung Ahn
- Department of Animal Science, College of Life Science, Sangji University, Wonju 26339, Republic of Korea;
| | - Kwang Il Park
- Research Institute of Life Science and College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.H.K.); (S.H.J.); (M.Y.P.); (P.B.B.); (A.A.); (K.I.P.)
| | - Jeong Doo Heo
- Biological Resources Research Group, Bioenvironmental Science and Toxicology Division, Korea Institute of Toxicology Gyeongnam Branch (KIT), Jinju 52834, Republic of Korea;
| | - Young Sil Kim
- T-Stem Co., Ltd., Changwon 51573, Republic of Korea;
| | - Gon Sup Kim
- Research Institute of Life Science and College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.H.K.); (S.H.J.); (M.Y.P.); (P.B.B.); (A.A.); (K.I.P.)
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Wang P, Qian H, Xiao M, Lv J. Role of signal transduction pathways in IL-1β-induced apoptosis: Pathological and therapeutic aspects. Immun Inflamm Dis 2023; 11:e762. [PMID: 36705417 PMCID: PMC9837938 DOI: 10.1002/iid3.762] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 12/20/2022] [Accepted: 12/27/2022] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND Interleukin-1β (IL-1β) is a pro-inflammatory cytokine mainly produced by monocytes and macrophages with a wide range of biological effects. Evidence has shown that IL-1β plays a vital role in the process of apoptosis; however, the specific mechanisms, by which IL-1β induces apoptosis, vary due to different cellular and experimental conditions. Therefore, this present reviewstudy aimed to systematically review the association between the molecular mechanisms of IL-1β-induced apoptosis in pathological processes and the role of signaling pathways. This article also sought to briefly investigate the potential of signaling pathway-targeted therapy in the prevention and treatment of disease. METHODS This is a literature review article. The present discourse aim is first to scrutinize and assess the available literature on IL-1β and apoptosis. The relevant studies using the keywords of "IL-1β-induced apoptosis" and "signaling pathways" were searched in the databases of PubMed, Scopus, Google Scholar, and Web of Science. Gathered relevant material, and extracted information was then assessed. RESULTS IL-1β can induce apoptosis in various types of cells under different external stimuli via the mitochondrial pathway, death receptor pathway and endoplasmic reticulum pathway, and that the different pathways are often interconnected. The NF-kB signaling pathway, p38MAPK, and JNK signaling pathways mainly play a proapoptotic part, and the ERK1/2 pathway has a bidirectional role in regulating apoptosis, while activation of the PI3K-Akt signaling pathway can inhibit apoptosis. CONCLUSION This review indicates that IL-1β-induced apoptosis plays an important role in pathogenesis and development of pathology of many inflammatory diseases. Elucidating the role of the signaling pathways will aid the development of targeted therapeutic treatments.
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Affiliation(s)
- Peixuan Wang
- Department of Pediatric Dentistry, Stomatological HospitalSouthern Medical UniversityGuangzhouChina
| | - Hong Qian
- Department of Pediatric Dentistry, Stomatological HospitalSouthern Medical UniversityGuangzhouChina
| | - Manxue Xiao
- Department of Pediatric Dentistry, Stomatological HospitalSouthern Medical UniversityGuangzhouChina
| | - Jingwen Lv
- Department of Pediatric Dentistry, Stomatological HospitalSouthern Medical UniversityGuangzhouChina
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Henrotin Y, Dierckxsens Y, Delisse G, Maes N, Albert A. Curcuma longa and Boswellia serrata extract combination for hand osteoarthritis: an open-label pre-post trial. PHARMACEUTICAL BIOLOGY 2022; 60:2295-2299. [PMID: 36416059 PMCID: PMC9704064 DOI: 10.1080/13880209.2022.2147550] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 09/24/2022] [Accepted: 11/08/2022] [Indexed: 06/16/2023]
Abstract
CONTEXT Osteoarthritis (OA) of the hand is a common painful musculoskeletal disorder with no cure. There is a need for an efficient and safe treatment to relieve OA pain. OBJECTIVE To investigate the effects of a Curcuma longa and Boswellia serrata food supplement in addition to standard care on hand pain. MATERIALS AND METHODS This open-label, non-controlled, post-observational study was based on 232 patients suffering from hand pain with or without joint deformity. Patients received a medical prescription for a three-month treatment with a food supplement containing 89 mg of C. longa dry extract, 120 mg of B. serrata resin, and 1.8 µg vitamin D. Pain was evaluated on a 10-point visual analog scale (VAS). The number of painful hand joints, patient satisfaction, nonsteroidal anti-inflammatory drugs intake, and side effects were also recorded. RESULTS Baseline pain intensity (regression coefficient ± SE: -0.19 ± 0.01, p < 0.0001) and the number of painful joints (regression coefficient ± SE: -0.022 ± 0.0029, p < 0.0001) decreased significantly throughout the 3 months treatment period. NSAIDs intake and topical drug application were significantly decreased by 64% (p < 0.0001) and 79% (p < 0.0001) after 12 weeks, respectively. Only 3/239 (1.3%) patients reported side effects probably related to the product. 80.3% were satisfied with the treatment and 75.5% wished to continue treatment. CONCLUSION This is the first clinical trial showing that C. longa and B. serrata resin can relieve symptoms in patients with hand osteoarthritis. The study provides useful information for the design of a clinical trial including a broader population.
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Affiliation(s)
- Yves Henrotin
- Musculoskeletal Innovative Research Lab (mSKIL), Arthropôle Liège, Center for Interdisciplinary Research on Medicines (CIRM), University of Liège, CHU Sart-Tilman, Liège, Belgium
- Physical Therapy and Rehabilitation Department, Princess Paola Hospital, Marche-en-Famenne, Belgium
| | | | | | - Nathalie Maes
- Center of Biostatistics (B-STAT), University Hospital of Liège, Liège, Belgium
| | - Adelin Albert
- Center of Biostatistics (B-STAT), University Hospital of Liège, Liège, Belgium
- Department of Public Health, University of Liège, Liège, Belgium
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Cho JH, Park YG, Choi J, Adam GO, Ju EM, Park H, Oh HG. Long-term intake of Lilium lancifolium mitigated osteoarthritic effects by suppressing inflammatory cytokines in a dog model. Vet World 2022; 15:2012-2020. [PMID: 36313850 PMCID: PMC9615493 DOI: 10.14202/vetworld.2022.2012-2020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 07/07/2022] [Indexed: 11/16/2022] Open
Abstract
Background and Aim: Osteoarthritis (OA) is a chronic, painful, degenerative inflammatory disease of the synovial joints. Regular use of nonsteroidal anti-inflammatory drugs to decrease OA pain can have severe side effects, such as gastric irritation, ulcers, and heart problems. Natural products are extensively used to minimize OA-associated pain and inflammatory reactions. Lilium lancifolium is commonly used to alleviate several diseases through its anti-inflammatory effects. This study examined the impact of L. lancifolium extract on alleviating pain and inflammation associated with articular cartilage damage.
Materials and Methods: Hydro-ethanol extracts of the L. lancifolium bulb were used. The experimental animals (adult beagle dogs) were divided into four groups: sham, which received neither treatment nor surgery; placebo, which received an empty gelatin capsule; glucosamine, which received glutamine (60 mg/kg); and L. lancifolium, which received an L. lancifolium extract-filled (60 mg/kg) gelatin capsule for 8 weeks. OA was induced by an expert orthopedic surgeon in 2-year-old dogs through resection of cranial cruciate ligament and lateral collateral ligament. Inflammatory cytokines, enzymes, lameness score, radiology, and histological changes were assessed.
Results: Our experiments showed that long-term oral therapy with L. lancifolium alleviated inflammation and increased histological damage. L. lancifolium treatment effectively reduced cytokines, such as interleukin-6, metalloproteinase-9, leukotriene-4, prostaglandin, and cyclo-oxygenase in dogs with OA, suggesting the potential to minimize inflammatory reactions in OA. L. lancifolium showed anti-inflammatory qualities in dogs with OA. This effect was comparable with that of glucosamine OA treatment.
Conclusion: L. lancifolium supplementation represents a possible therapeutic and management option in this model of OA.
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Affiliation(s)
- Jeong-Hwi Cho
- R&D Division, HUVET Co. Ltd., Iksan-si 54531, Republic of Korea
| | - Yang-Gyu Park
- R&D Division, HUVET Co. Ltd., Iksan-si 54531, Republic of Korea
| | - Jinyoung Choi
- R&D Division, HUVET Co. Ltd., Iksan-si 54531, Republic of Korea
| | - Gareeballah Osman Adam
- R&D Division, HUVET Co. Ltd., Iksan-si 54531, Republic of Korea; Department of Veterinary Medicine and Surgery College of Veterinary Medicine, Sudan University of Science and Technology, Hilat Kuku, Khartoum 11311, Sudan
| | - Eun-Myeong Ju
- R&D Division, HUVET Co. Ltd., Iksan-si 54531, Republic of Korea
| | - Ho Park
- Department of Clinical Laboratory Science, Wonkwang Health Science University, Iksan 54538, Republic of Korea
| | - Hong-Geun Oh
- R&D Division, HUVET Co. Ltd., Iksan-si 54531, Republic of Korea
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Prasad S, Kulshreshtha A, Lall R, Gupta SC. Inflammation and ROS in arthritis: management by Ayurvedic medicinal plants. Food Funct 2021; 12:8227-8247. [PMID: 34302162 DOI: 10.1039/d1fo01078f] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Chronic joint inflammatory disorders like osteoarthritis and rheumatoid arthritis, which are manifested by joint dysfunction, show an upsurge in inflammation and oxidative stress. Although conventional anti-arthritic drugs are being used to relieve pain from arthritic symptoms, they usually cause severe side effects. Traditionally used Ayurvedic medicinal plants are a promising alternative for the management of arthritic symptoms, as they are safe and effective. Ayurvedic medicinal plants improve arthritic symptoms by reducing joint tenderness, joint pain, swelling, bone and cartilage damage, and increasing knee flexion, walking distance and sports activities. These beneficial effects of Ayurvedic medicinal plants on arthritis are mediated through various cellular mechanisms including inhibition of the inflammatory markers NF-κB, cytokines, adipokines, PGE2, NO, iNOS, COX-2, and MMPs and induction of antioxidant status by decreasing free radicals, lipid peroxidation, and myeloperoxidase, and increasing antioxidant enzymes, Nrf2, and HO-1. Thus, a strategy requires using these Ayurvedic medicinal plants to treat arthritis. This article describes the status of inflammation and oxidative stress in arthritic conditions. We also provide evidence that Ayurvedic medicinal plants and their bioactive components are highly effective in improving arthritic symptoms.
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Affiliation(s)
- Sahdeo Prasad
- Noble Pharma, LLC, Research and Development, Menomonie, WI, 54751 USA.
| | - Alok Kulshreshtha
- Noble Pharma, LLC, Research and Development, Menomonie, WI, 54751 USA.
| | - Rajiv Lall
- Noble Pharma, LLC, Research and Development, Menomonie, WI, 54751 USA.
| | - Subash C Gupta
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi, India
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Valsamidou E, Gioxari A, Amerikanou C, Zoumpoulakis P, Skarpas G, Kaliora AC. Dietary Interventions with Polyphenols in Osteoarthritis: A Systematic Review Directed from the Preclinical Data to Randomized Clinical Studies. Nutrients 2021; 13:1420. [PMID: 33922527 PMCID: PMC8145539 DOI: 10.3390/nu13051420] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 04/11/2021] [Accepted: 04/21/2021] [Indexed: 12/15/2022] Open
Abstract
Osteoarthritis (OA) is the most common form of arthritis and a major cause of limited functionality and thus a decrease in the quality of life of the inflicted. Given the fact that the existing pharmacological treatments lack disease-modifying properties and their use entails significant side effects, nutraceuticals with bioactive compounds constitute an interesting field of research. Polyphenols are plant-derived molecules with established anti-inflammatory and antioxidant properties that have been extensively evaluated in clinical settings and preclinical models in OA. As more knowledge is gained in the research field, an interesting approach in the management of OA is the additive and/or synergistic effects that polyphenols may have in an optimized supplement. Therefore, the aim of this review was to summarize the recent literature regarding the use of combined polyphenols in the management of OA. For that purpose, a PubMed literature survey was conducted with a focus on some preclinical osteoarthritis models and randomized clinical trials on patients with osteoarthritis from 2018 to 2021 which have evaluated the effect of combinations of polyphenol-rich extracts and purified polyphenol constituents. Data indicate that combined polyphenols may be promising for the treatment of osteoarthritis in the future, but more clinical trials with novel approaches in the identification of the in-between relationship of such constituents are needed.
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Affiliation(s)
- Evdokia Valsamidou
- Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University, 18345 Athens, Greece; (E.V.); (A.G.); (C.A.)
- Qualia Pharma, Ν. Kifissia, 14564 Attiki, Greece;
| | - Aristea Gioxari
- Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University, 18345 Athens, Greece; (E.V.); (A.G.); (C.A.)
| | - Charalampia Amerikanou
- Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University, 18345 Athens, Greece; (E.V.); (A.G.); (C.A.)
| | - Panagiotis Zoumpoulakis
- Qualia Pharma, Ν. Kifissia, 14564 Attiki, Greece;
- Department of Food Science and Technology, University of West Attica, Ag. Spyridonos, Egaleo, 12243 Athens, Greece
| | - George Skarpas
- Hellenic Open University/Sports Injuries & Regenarative Medicine Orthopaedic Clinic at “MITERA” Hospital, Marousi, 15123 Attiki, Greece;
| | - Andriana C. Kaliora
- Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University, 18345 Athens, Greece; (E.V.); (A.G.); (C.A.)
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Tian Y, Gou J, Zhang H, Lu J, Jin Z, Jia S, Bai L. The anti-inflammatory effects of 15-HETE on osteoarthritis during treadmill exercise. Life Sci 2021; 273:119260. [PMID: 33636171 DOI: 10.1016/j.lfs.2021.119260] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 02/03/2021] [Accepted: 02/15/2021] [Indexed: 01/01/2023]
Abstract
AIMS Investigate the involvement of 15-hydroxyeicosatetraenoic acid (15-HETE), an anti-inflammatory molecule, on the beneficial effects of exercise therapy for osteoarthritis (OA). MAIN METHODS 15-HETE (10 μM, twice a week) and monosodium iodoacetate (MIA) (1 mg) were injected into rat knee joints. Treadmill exercise was applied on OA rat. Primary rat chondrocytes were treated with 15-HETE, LY294002 and interleukin (IL)-1β. Rats undergo a 1 hour single session treadmill exercise once. 15-HETE levels in the knee joint were evaluated using ELISA after a single session of treadmill exercise on healthy and OA rats. Matrix metalloproteinase (MMP)3, MMP-13, a disintegrin and metalloproteinase with thrombospondin motif (ADAMTS)-5, p-Akt, Akt, and collagen type 2 (COL2) expression were evaluated using RT-PCR and western blotting. OA degree was evaluated using X-ray, scored by Osteoarthritis Research Society International (OARSI) and Mankin scores. COL2 and MMP-13 expression in articular was evaluated using immunohistochemistry. KEY FINDINGS Medium intensity exercise alleviated OA. 15-HETE levels after exercise was increased. 15-HETE inhibited IL-1β-induced inflammation in primary chondrocytes and increased p-Akt levels. LY294002 blocked the effect of 15-HETE in vitro. Finally, 15-HETE alleviated cartilage damage, inhibited MMP-13 expression, and increased COL2 expression in joint cartilage tissue. SIGNIFICANCE Treadmill exercise alleviates OA and increases 15-HETE levels in the knee joint, which suppresses inflammation in chondrocytes via PI3k-Akt signalling in vitro and in vivo.
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Affiliation(s)
- Yicheng Tian
- Department of Orthopedic Surgery, Shengjing Hospital Affiliated China Medical University, Shenyang, China; Shengjing Hospital, Sanhao Street 36#, Heping Area, Shenyang, Liaoning Province, China
| | - Jian Gou
- Department of Nursing, Shengjing Hospital Affiliated China Medical University, Shenyang, China; Shengjing Hospital, Sanhao Street 36#, Heping Area, Shenyang, Liaoning Province, China
| | - He Zhang
- Department of Orthopedic Surgery, Shengjing Hospital Affiliated China Medical University, Shenyang, China; Shengjing Hospital, Sanhao Street 36#, Heping Area, Shenyang, Liaoning Province, China
| | - Jinghan Lu
- Department of Orthopedic Surgery, Shengjing Hospital Affiliated China Medical University, Shenyang, China; Shengjing Hospital, Sanhao Street 36#, Heping Area, Shenyang, Liaoning Province, China
| | - Zhuangzhuang Jin
- Department of Orthopedic Surgery, Shengjing Hospital Affiliated China Medical University, Shenyang, China; Shengjing Hospital, Sanhao Street 36#, Heping Area, Shenyang, Liaoning Province, China
| | - Shuangshuo Jia
- Department of Orthopedic Surgery, Shengjing Hospital Affiliated China Medical University, Shenyang, China; Shengjing Hospital, Sanhao Street 36#, Heping Area, Shenyang, Liaoning Province, China
| | - Lunhao Bai
- Department of Orthopedic Surgery, Shengjing Hospital Affiliated China Medical University, Shenyang, China; Shengjing Hospital, Sanhao Street 36#, Heping Area, Shenyang, Liaoning Province, China.
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Herbal Composition LI73014F2 Alleviates Articular Cartilage Damage and Inflammatory Response in Monosodium Iodoacetate-Induced Osteoarthritis in Rats. Molecules 2020; 25:molecules25225467. [PMID: 33238379 PMCID: PMC7700416 DOI: 10.3390/molecules25225467] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 11/18/2020] [Accepted: 11/20/2020] [Indexed: 02/05/2023] Open
Abstract
The aim of this study was to determine the anti-osteoarthritic effects of LI73014F2, which consists of Terminalia chebula fruit, Curcuma longa rhizome, and Boswellia serrata gum resin in a 2:1:2 ratio, in the monosodium iodoacetate (MIA)-induced osteoarthritis (OA) rat model. LI73014F2 was orally administered once per day for three weeks. Weight-bearing distribution and arthritis index (AI) were measured once per week to confirm the OA symptoms. Synovial membrane, proteoglycan layer, and cartilage damage were investigated by histological examination, while synovial fluid interleukin-1β level was analyzed using a commercial kit. Levels of pro-inflammatory mediators/cytokines and matrix metalloproteinases (MMPs) in the cartilage tissues were investigated to confirm the anti-osteoarthritic effects of LI73014F2. LI73014F2 significantly inhibited the MIA-induced increase in OA symptoms, synovial fluid cytokine, cartilage damage, and expression levels of pro-inflammatory mediators/cytokines and MMPs in the articular cartilage. These results suggest that LI73014F2 exerts anti-osteoarthritic effects by regulating inflammatory cytokines and MMPs in MIA-induced OA rats.
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Ahmed MAE, Ahmed AAE, El Morsy EM. Acetyl-11-keto-β-boswellic acid prevents testicular torsion/detorsion injury in rats by modulating 5-LOX/LTB4 and p38-MAPK/JNK/Bax/Caspase-3 pathways. Life Sci 2020; 260:118472. [PMID: 32971106 DOI: 10.1016/j.lfs.2020.118472] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 09/08/2020] [Accepted: 09/16/2020] [Indexed: 02/06/2023]
Abstract
AIMS Testicular torsion/detorsion (T/D) is a critical medical condition that necessitates prompt surgical intervention to avoid testicular atrophy and infertility. The use of natural compounds may protect against the associated detrimental oxidative stress and inflammatory responses. Interestingly, acetyl-11-keto-β-boswellic acid (AKBA), the main active constituent of Boswellia resin, has shown potent inhibitory effect on 5-lipoxygenase enzyme which converts arachidonic acid into inflammatory mediators. Therefore, this study was conducted to assess the protective mechanisms by which AKBA may protect against testicular T/D injury in rats. MAIN METHODS Male rats were randomly distributed into five groups: Sham, AKBA (50 mg/kg, p.o.), unilateral testicular T/D, AKBA at two dose levels (25 or 50 mg/kg for 15 successive days) followed by T/D. Histological examination and Johnsen's score were performed to assess testicular injury and perturbations in spermatogenesis. Biochemical parameters included markers of testicular function (serum testosterone), oxidant/antioxidant status (malondialdehyde, glutathione), inflammation (5-lipoxygenase, leukotriene-B4, myeloperoxidase, interleukin-1β, interleukin-6), apoptosis (Bax, Bcl2, caspase-3), DNA integrity (quantitative DNA fragmentation, DNA laddering, PARP-1), energy production (ATP), in addition to p38 MAPK and JNK protein expression. KEY FINDINGS In a dose dependent manner, AKBA significantly inhibited testicular T/D-induced upregulation of 5-LOX/LTB4 and p38-MAPK/JNK/Bax pathways and their associated downstream inflammatory and apoptotic cascades. These effects were accompanied with ATP replenishment and DNA preservation, resulting ultimately in salvage of the testis. SIGNIFICANCE Unprecedentedly, the present mechanistic study revealed the pathways by which AKBA may inhibit testicular T/D injury and offered a novel protective approach that may attenuate the severity of this condition.
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Affiliation(s)
- Maha A E Ahmed
- Department of Pharmacology and Toxicology, Faculty of Pharmaceutical Sciences and Drug Manufacturing, Misr University for Science and Technology (MUST), 6th of October City, Giza, Egypt.
| | - Amany A E Ahmed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Helwan University, Ein Helwan, Cairo, Egypt
| | - Engy M El Morsy
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Helwan University, Ein Helwan, Cairo, Egypt
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