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Zhang H, Kang R, Song T, Ren F, Liu J, Wang J. Advances in relieving exercise fatigue for curcumin: Molecular targets, bioavailability, and potential mechanism. J Food Sci 2024; 89:4604-4619. [PMID: 39031649 DOI: 10.1111/1750-3841.17162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 05/05/2024] [Accepted: 05/23/2024] [Indexed: 07/22/2024]
Abstract
Intense and prolonged physical activity can lead to a decrease in muscle capacity, making it difficult to maintain the desired exercise intensity and resulting in exercise fatigue. The long-term effects of exercise fatigue can be very damaging to the body, so it is an urgent problem to be addressed. The intervention of foodborne active substances will be an effective measure. There is growing evidence that the molecular structure and function of curcumin have a positive effect on relieving fatigue. In this review, we summarize curcumin's molecular structure, which enables it to bind to a wealth of molecular targets, regulate signaling pathways, and thus alleviate exercise fatigue through a variety of mechanisms, including reducing oxidative stress, inhibiting inflammation, reducing metabolite accumulation, and regulating energy metabolism. The effects of curcumin on fatigue-related markers were analyzed from the perspective of animal models and human models and based on the bidirectional interaction between curcumin and intestinal microbiota: Intestinal microbiota can transform curcumin, and curcumin regulates gut microbiota through metabolic pathways, providing a new perspective for alleviating fatigue. This review contributes to a more comprehensive understanding of the possible molecular mechanisms of curcumin in anti-fatigue and provides a new possibility for the development of functional foods in the future.
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Affiliation(s)
- Huijuan Zhang
- School of Food and Health, Beijing Technology & Business University (BTBU), Beijing, China
- National Center of Technology Innovation for Grain Industry (Comprehensive Utilization of Edible By-Products), Beijing Technology and Business University, Beijing, China
- Key Laboratory of Special Food Supervision Technology for State Market Regulation, Beijing, China
| | - Rui Kang
- School of Food and Health, Beijing Technology & Business University (BTBU), Beijing, China
- National Center of Technology Innovation for Grain Industry (Comprehensive Utilization of Edible By-Products), Beijing Technology and Business University, Beijing, China
- Key Laboratory of Special Food Supervision Technology for State Market Regulation, Beijing, China
| | - Tiancong Song
- School of Food and Health, Beijing Technology & Business University (BTBU), Beijing, China
- National Center of Technology Innovation for Grain Industry (Comprehensive Utilization of Edible By-Products), Beijing Technology and Business University, Beijing, China
- Key Laboratory of Special Food Supervision Technology for State Market Regulation, Beijing, China
| | - Feiyue Ren
- School of Food and Health, Beijing Technology & Business University (BTBU), Beijing, China
- National Center of Technology Innovation for Grain Industry (Comprehensive Utilization of Edible By-Products), Beijing Technology and Business University, Beijing, China
- Key Laboratory of Special Food Supervision Technology for State Market Regulation, Beijing, China
| | - Jie Liu
- School of Food and Health, Beijing Technology & Business University (BTBU), Beijing, China
- National Center of Technology Innovation for Grain Industry (Comprehensive Utilization of Edible By-Products), Beijing Technology and Business University, Beijing, China
- Key Laboratory of Special Food Supervision Technology for State Market Regulation, Beijing, China
| | - Jing Wang
- School of Food and Health, Beijing Technology & Business University (BTBU), Beijing, China
- National Center of Technology Innovation for Grain Industry (Comprehensive Utilization of Edible By-Products), Beijing Technology and Business University, Beijing, China
- Key Laboratory of Special Food Supervision Technology for State Market Regulation, Beijing, China
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Hasibuan PAZ, Simanjuntak Y, Hey-Hawkins E, Lubis MF, Rohani AS, Park MN, Kim B, Syahputra RA. Unlocking the potential of flavonoids: Natural solutions in the fight against colon cancer. Biomed Pharmacother 2024; 176:116827. [PMID: 38850646 DOI: 10.1016/j.biopha.2024.116827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 05/21/2024] [Accepted: 05/26/2024] [Indexed: 06/10/2024] Open
Abstract
Colorectal cancer (CRC) is a major cause of cancer-related deaths worldwide, underscoring the importance of understanding the diverse molecular and genetic underpinnings of CRC to improve its diagnosis, prognosis, and treatment. This review delves into the adenoma-carcinoma-metastasis model, emphasizing the "APC-KRAS-TP53" signature events in CRC development. CRC is categorized into four consensus molecular subtypes, each characterized by unique genetic alterations and responses to therapy, illustrating its complexity and heterogeneity. Furthermore, we explore the role of chronic inflammation and the gut microbiome in CRC progression, emphasizing the potential of targeting these factors for prevention and treatment. This review discusses the impact of dietary carcinogens and lifestyle factors and the critical role of early detection in improving outcomes, and also examines conventional chemotherapy options for CRC and associated challenges. There is significant focus on the therapeutic potential of flavonoids for CRC management, discussing various types of flavonoids, their sources, and mechanisms of action, including their antioxidant properties, modulation of cell signaling pathways, and effects on cell cycle and apoptosis. This article presents evidence of the synergistic effects of flavonoids with conventional cancer therapies and their role in modulating the gut microbiome and immune response, thereby offering new avenues for CRC treatment. We conclude by emphasizing the importance of a multidisciplinary approach to CRC research and treatment, incorporating insights from genetic, molecular, and lifestyle factors. Further research is needed on the preventive and therapeutic potential of natural compounds, such as flavonoids, in CRC, underscoring the need for personalized and targeted treatment strategies.
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Affiliation(s)
| | - Yogi Simanjuntak
- Department of Pharmacology, Faculty of Pharmacy, Universitas Sumatera Utara, Sumatera Utara, Indonesia
| | - Evamarie Hey-Hawkins
- Leipzig University, Faculty of Chemistry and Mineralogy, Centre for Biotechnology and Biomedicine (BBZ), Institute of Bioanalytical Chemistry, Deutscher Platz 5, Leipzig 04103, Germany
| | - Muhammad Fauzan Lubis
- Department of Pharmaceutical Biology, Faculty of Pharmacy, Universitas Sumatera Utara, Sumatera Utara, Indonesia
| | - Ade Sri Rohani
- Department of Pharmacology, Faculty of Pharmacy, Universitas Sumatera Utara, Sumatera Utara, Indonesia
| | - Moon Nyeo Park
- Department of Internal Medicine, College of Korean Medicine, Kyung Hee University, Seoul, 02447, Republic of Korea; College of Korean Medicine, Kyung Hee University, Hoegidong Dongdaemungu, Seoul 05253, Republic of Korea
| | - Bonglee Kim
- Department of Internal Medicine, College of Korean Medicine, Kyung Hee University, Seoul, 02447, Republic of Korea; College of Korean Medicine, Kyung Hee University, Hoegidong Dongdaemungu, Seoul 05253, Republic of Korea
| | - Rony Abdi Syahputra
- Department of Pharmacology, Faculty of Pharmacy, Universitas Sumatera Utara, Sumatera Utara, Indonesia
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Li H, Li Y, Luo S, Zhang Y, Feng Z, Li S. The roles and mechanisms of the NF-κB signaling pathway in tendon disorders. Front Vet Sci 2024; 11:1382239. [PMID: 38978635 PMCID: PMC11228182 DOI: 10.3389/fvets.2024.1382239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Accepted: 06/10/2024] [Indexed: 07/10/2024] Open
Abstract
Both acute and chronic tendon injuries are the most frequently occurring musculoskeletal diseases in human and veterinary medicine, with a limited repertoire of successful and evidenced-based therapeutic strategies. Inflammation has been suggested as a key driver for the formation of scar and adhesion tissue following tendon acute injury, as well as pathological alternations of degenerative tendinopathy. However, prior efforts to completely block this inflammatory process have yet to be largely successful. Recent investigations have indicated that a more precise targeted approach for modulating inflammation is critical to improve outcomes. The nuclear factor-kappaB (NF-κB) is a typical proinflammatory signal transduction pathway identified as a key factor leading to tendon disorders. Therefore, a comprehensive understanding of the mechanism or regulation of NF-κB in tendon disorders will aid in developing targeted therapeutic strategies for human and veterinary tendon disorders. In this review, we discuss what is currently known about molecular components and structures of basal NF-κB proteins and two activation pathways: the canonical activation pathway and the non-canonical activation pathway. Furthermore, we summarize the underlying mechanisms of the NF-κB signaling pathway in fibrosis and adhesion after acute tendon injury, as well as pathological changes of degenerative tendinopathy in all species and highlight the effect of targeting this signaling pathway in tendon disorders. However, to gain a comprehensive understanding of its mechanisms underlying tendon disorders, further investigations are required. In the future, extensive scientific examinations are warranted to full characterize the NF-κB, the exact mechanisms of action, and translate findings into clinical human and veterinary practice.
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Affiliation(s)
- Hanyue Li
- School of Physical Education, Southwest Medical University, Luzhou, China
| | - Yini Li
- Department of Ultrasound, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Shengyu Luo
- School of Physical Education, Southwest Medical University, Luzhou, China
| | - Yan Zhang
- Luzhou Vocational and Technical College, Luzhou, China
| | - Zhenhua Feng
- Division of Spine Surgery, Department of Orthopedic Surgery, Affiliated Hospital of Medical School, Nanjing Drum Tower Hospital, Nanjing, Jiangsu, China
| | - Sen Li
- School of Physical Education, Southwest Medical University, Luzhou, China
- Division of Spine Surgery, Department of Orthopedic Surgery, Affiliated Hospital of Medical School, Nanjing Drum Tower Hospital, Nanjing, Jiangsu, China
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Tincu (Iurciuc) CE, Daraba OM, Jérôme C, Popa M, Ochiuz L. Albumin-Based Hydrogel Films Covalently Cross-Linked with Oxidized Gellan with Encapsulated Curcumin for Biomedical Applications. Polymers (Basel) 2024; 16:1631. [PMID: 38931981 PMCID: PMC11207739 DOI: 10.3390/polym16121631] [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: 03/25/2024] [Revised: 05/25/2024] [Accepted: 06/03/2024] [Indexed: 06/28/2024] Open
Abstract
Bovine serum albumin (BSA) hydrogels are non-immunogenic, low-cost, biocompatible, and biodegradable. In order to avoid toxic cross-linking agents, gellan was oxidized with NaIO4 to obtain new functional groups like dialdehydes for protein-based hydrogel cross-linking. The formed dialdehyde groups were highlighted with FT-IR and NMR spectroscopy. This paper aims to investigate hydrogel films for biomedical applications obtained by cross-linking BSA with oxidized gellan (OxG) containing immobilized β-cyclodextrin-curcumin inclusion complex (β-CD-Curc) The β-CD-Curc improved the bioavailability and solubility of Curc and was prepared at a molar ratio of 2:1. The film's structure and morphology were evaluated using FT-IR spectroscopy and SEM. The swelling degree (Q%) values of hydrogel films depend on hydrophilicity and pH, with higher values at pH = 7.4. Additionally, the conversion index of -NH2 groups into Schiff bases increases with an increase in OxG amount. The polymeric matrix provides protection for Curc, is non-cytotoxic, and enhances antioxidant activity. At pH = 5.5, the skin permeability and release efficiency of encapsulated curcumin were higher than at pH = 7.4 because of the interaction of free aldehyde and carboxylic groups from hydrogels with amine groups from proteins present in the skin membrane, resulting in a better film adhesion and more efficient curcumin release.
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Affiliation(s)
- Camelia Elena Tincu (Iurciuc)
- Department of Natural and Synthetic Polymers, Faculty of Chemical Engineering and Protection of the Environment, “Gheorghe Asachi” Technical University, 73 Prof. Dr. Docent Dimitrie Mangeron Street, 700050 Iasi, Romania;
- Department of Pharmaceutical Technology, Faculty of Pharmacy, “Grigore T. Popa” University of Medicine and Pharmacy, 16 University Street, 700115 Iasi, Romania;
| | - Oana Maria Daraba
- Faculty of Dental Medicine, “Apollonia” University, 11 Pacurari Street, 700355 Iasi, Romania;
| | - Christine Jérôme
- Center for Education and Research on Macromolecules, Complex and Entangled Systems from Atoms to Materials, University of Liège, 4000 Liège, Belgium;
| | - Marcel Popa
- Department of Natural and Synthetic Polymers, Faculty of Chemical Engineering and Protection of the Environment, “Gheorghe Asachi” Technical University, 73 Prof. Dr. Docent Dimitrie Mangeron Street, 700050 Iasi, Romania;
- Faculty of Dental Medicine, “Apollonia” University, 11 Pacurari Street, 700355 Iasi, Romania;
- Academy of Romanian Scientists, 3 Ilfov Street, Sector 5, 050044 Bucureşti, Romania
| | - Lăcrămioara Ochiuz
- Department of Pharmaceutical Technology, Faculty of Pharmacy, “Grigore T. Popa” University of Medicine and Pharmacy, 16 University Street, 700115 Iasi, Romania;
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Bideshki MV, Jourabchi-Ghadim N, Radkhah N, Behzadi M, Asemani S, Jamilian P, Zarezadeh M. The efficacy of curcumin in relieving osteoarthritis: A meta-analysis of meta-analyses. Phytother Res 2024; 38:2875-2891. [PMID: 38576215 DOI: 10.1002/ptr.8153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 10/27/2023] [Accepted: 01/28/2024] [Indexed: 04/06/2024]
Abstract
Osteoarthritis (OA) is one of the most prevalent degenerative joint diseases. Several meta-analyses have shown that curcumin could improve the function of the knee and alleviate pain in OA, while some meta-analyses demonstrate controversial results. Hence, we assessed curcumin's effects on knee OA in an umbrella meta-analysis. PubMed, Scopus, Embase, and Web of Science databases were employed to find English-language meta-analyses of randomized controlled trials investigating the effect of curcumin supplementation on OA outcomes up to September 2023. The visual analog scale (VAS), Western Ontario and McMaster Universities Arthritis Index (WOMAC) pain, function, and stiffness scales were analyzed. Effect sizes and 95% confidence intervals were utilized to obtain the overall effect size. A random-effects model was applied to perform the meta-analysis. Heterogeneity was determined by I2 statistics and the Cochrane Q-test. The pooled effect of the 11 included meta-analyses showed that curcumin could significantly decrease the VAS score (weighted mean difference [WMD] and standardized mean difference [SMD]), WOMAC-total (SMD and WMD), WOMAC-Function (SMD and WMD), WOMAC-Pain (SMD), and WOMAC-Stiffness scores (SMD) (p ≤ 0.001, ≤0.001, ≤0.001, 0.007, ≤0.001, 0.002, ≤0.001, ≤0.001, respectively). The results strongly support curcuminoid supplementation in relieving pain, improving joint mobility and stiffness, and shortening medication usage of OA patients.
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Affiliation(s)
- Mohammad Vesal Bideshki
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Biochemistry and Diet Therapy, School of Nutrition and Food Science, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Neda Jourabchi-Ghadim
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Biochemistry and Diet Therapy, School of Nutrition and Food Science, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nima Radkhah
- Nutrition Research Center, Faculty of Nutrition and Food Science, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehrdad Behzadi
- Student Research Committee, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sanaz Asemani
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Biochemistry and Diet Therapy, School of Nutrition and Food Science, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Parmida Jamilian
- School of Pharmacy and Bioengineering, Keele University, Staffordshire, UK
| | - Meysam Zarezadeh
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
- Nutrition Research Center, Faculty of Nutrition and Food Science, Tabriz University of Medical Sciences, Tabriz, Iran
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Lai C, Li R, Tang W, Liu J, Duan XDXF, Bao D, Liu H, Fu S. Metabolic Syndrome and Tendon Disease: A Comprehensive Review. Diabetes Metab Syndr Obes 2024; 17:1597-1609. [PMID: 38616994 PMCID: PMC11015851 DOI: 10.2147/dmso.s459060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 03/21/2024] [Indexed: 04/16/2024] Open
Abstract
Metabolic syndrome (MS) is a multifaceted pathological condition characterized by the atypical accumulation of various metabolic components such as central obesity or excess weight, hyperlipidemia, low-density lipoprotein (LDL), hypertension, and insulin resistance. Recently, MS has been recognized as a notable contributor to heart and circulatory diseases. In addition, with increasing research, the impact of MS on tendon repair and disease has gradually emerged. Recent studies have investigated the relationship between tendon healing and diseases such as diabetes, dyslipidemia, obesity, and other metabolic disorders. However, diabetes mellitus (DM), hypercholesterolemia, obesity, and various metabolic disorders often coexist and together constitute MS. At present, insulin resistance is considered the major pathological mechanism underlying MS, central obesity is regarded as the predominant factor responsible for it, and dyslipidemia and other metabolic diseases are known as secondary contributors to MS. This review aims to evaluate the current literature regarding the impact of various pathological conditions in MS on tendon recovery and illness, and to present a comprehensive overview of the effects of MS on tendon recovery and diseases, along with the accompanying molecular mechanisms.
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Affiliation(s)
- Canhao Lai
- Department of Bone and Joint, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, People’s Republic of China
| | - Ruichen Li
- Department of Bone and Joint, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, People’s Republic of China
| | - Weili Tang
- Department of Bone and Joint, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, People’s Republic of China
| | - Jinyu Liu
- Department of Bone and Joint, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, People’s Republic of China
| | - Xinfang D X F Duan
- Department of Bone and Joint, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, People’s Republic of China
| | - Dingsu Bao
- Department of Bone and Joint, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, People’s Republic of China
- Chengdu University of Traditional Chinese Medicine, Chengdu, People’s Republic of China
| | - Huan Liu
- Department of Bone and Joint, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, People’s Republic of China
| | - Shijie Fu
- Department of Bone and Joint, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, People’s Republic of China
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Sun C, Sun K, Wang S, Wang Y, Yuan P, Li Z, Yang S, Zhang J, Jia Y, Wang W, Qi B, Yang B, Liu J, Wei X, Zhu L. Effect of Baimai ointment on lumbar disc herniation: A multicentre, prospective, randomised, double-blind, placebo-controlled trial. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 122:155138. [PMID: 37922792 DOI: 10.1016/j.phymed.2023.155138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 09/21/2023] [Accepted: 10/04/2023] [Indexed: 11/07/2023]
Abstract
BACKGROUND Baimai ointment is a traditional Tibetan topical ointment, which is widely used for various diseases related to the skeletal muscular system and neurological rehabilitation. It has demonstrated good clinical effectiveness. However, there is currently a lack of high-quality evidence regarding the clinical effectiveness of Baimai ointment in treating lumbar disc herniation (LDH). PURPOSE In this study, we conducted a prospective, multicenter, double-blind, randomized controlled trial at eight hospitals in China to investigate the clinical effectiveness of Baimai ointment in the treatment of LDH. METHODS Participants aged 18-65 years were diagnosed as LDH and were randomly assigned to receive either Baimai ointment or placebo. The treatment duration was 2 weeks, with 1-week follow-up after treatment. The primary outcome measures included VAS and JOA score. The secondary outcome measures included Likert scale, compliance with health education and the incidence of rescue therapy. The intervention effects on these outcomes were examined by generalized estimating equations (GEE) with baseline measurement as the covariates. All statistical analysis were performed using SPSS 25.0 and Python 3.11. RESULTS In total, 228 participants were screened from August 25, 2021 to January 31, 2022 at 8 Grade-A tertiary hospitals in China. Finally, 194 eligible participants were randomly assigned to the Baimai ointment group and placebo group in a 1:1 ratio. At the end of 2-week treatment (14th day) and 1-week follow-up after treatment (21st day), the decrease of VAS reached 39.57% (95% CI: 34.29, 44.86) and 36.85% (95% CI: 32.04, 41.66), the decrease in JOA score reached 27.74% (95% CI: 23.05, 32.43) and 26.25 % (95% CI: 20.82, 31.69) in Baimai ointment group. A significant group-by-time interaction indicated a difference for VAS between intervention over time (χ2 = 26.81, p = 0.020), but JOA score and Likert scale did not reach statistical significance. The adjusted net difference of VAS was statistically significant from 10th day of treatment (p < 0.05). After 2-week treatment, the relief rate of VAS was 30.85% (21.95, 41.34) in Baimai ointment group and 22.73% (14.75, 33.13) in placebo group (χ2 = 1.53, p = 0.217). It demonstrated Baimai ointment in improving VAS and JOA score was valuable from a clinical view by measuring MCID. Moreover, the Likert scale, the incidence of rescue therapy and compliance with health education did not reach statistical significance. There was no evidence showing that Baimai ointment could cause serious adverse reactions in treating patients with LDH. CONCLUSION Baimai ointment demonstrated significantly higher rates of symptom relief compared to the placebo for LDH patients, particularly in terms of relieving pain. Moreover, further high-quality randomized controlled trials were necessary to confirm these positive results. The study protocol is registered with the Clinical Trials Registry (registration number: ISRCTN11912818).
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Affiliation(s)
- Chuanrui Sun
- Wang Jing Hospital, China Academy of Chinese Medical Sciences, Beijing, 100102, China
| | - Kai Sun
- Wang Jing Hospital, China Academy of Chinese Medical Sciences, Beijing, 100102, China
| | - Shangquan Wang
- Wang Jing Hospital, China Academy of Chinese Medical Sciences, Beijing, 100102, China
| | - Yanguo Wang
- Second Affiliated Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, 300250, China
| | - Puwei Yuan
- Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang, 712000, China
| | - Zhenhua Li
- Affiliated Hospital of Changchun University of Chinese Medicine, Changchun, 130012, China
| | - Shaofeng Yang
- The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, 410007, China
| | - Jianhua Zhang
- The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, 230031, China
| | - Yusong Jia
- Dongzhimen Hospital of Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Wei Wang
- Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Baoyu Qi
- Wang Jing Hospital, China Academy of Chinese Medical Sciences, Beijing, 100102, China
| | - Bowen Yang
- Wang Jing Hospital, China Academy of Chinese Medical Sciences, Beijing, 100102, China
| | - Jianping Liu
- Centre for Evidence-Based Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Xu Wei
- Wang Jing Hospital, China Academy of Chinese Medical Sciences, Beijing, 100102, China; Centre for Evidence-Based Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, China.
| | - Liguo Zhu
- Wang Jing Hospital, China Academy of Chinese Medical Sciences, Beijing, 100102, China.
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Idrees M, Kujan O. A Curcumin-Based Oral Gel Has Potential Protective Efficacy against Oral Mucositis: In Vitro Study. J Pers Med 2023; 14:1. [PMID: 38276216 PMCID: PMC10820130 DOI: 10.3390/jpm14010001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 12/11/2023] [Accepted: 12/14/2023] [Indexed: 01/27/2024] Open
Abstract
Oral mucositis is a common distressing complication of cancer therapy, characterised by painful sores within the oral cavity. Current management options offer limited symptomatic relief. Curcumin, a natural polyphenolic compound with recognised anti-inflammatory and antioxidant properties, has emerged as a potential protective agent against oral mucositis. This study explores the therapeutic potential of curcumin in mitigating the impact of oral mucositis by investigating a commercially available curcumin-based oral gel, PerioGold®. Liquid chromatography-tandem mass spectrometry was used to characterise the main constituents of PerioGold®. The cytotoxicity of curcumin constituent was investigated in four cell lines: primary oral keratinocytes (HOKs), immortalised oral keratinocytes (OKF6), dysplastic oral keratinocytes (DOKs), and oral squamous cell carcinoma cells (PE/CA-PJ15). Concentrations of hydrogen peroxide were optimised to develop in vitro models that mimic oral mucositis. The inhibitory effects of PerioGold® against the production of reactive oxygen species were assessed using a designated kit. OKF6 cells were the most sensitive to oxidative stress, while PE/CA-PJ15 cells showed the highest resistance. Pretreatment of the investigated cells for 24 h with PerioGold® demonstrated a significant antioxidative effect in all cells based on a dose-response pattern. PerioGold® exhibits clinical potential for protecting against oxidative stress, warranting further individualised clinical investigations.
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Affiliation(s)
| | - Omar Kujan
- Discipline of Oral Pathology, UWA Dental School, The University of Western Australia, 17 Monash Avenue, Nedlands, WA 6009, Australia;
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Patel P, Wang JY, Mineroff J, Jagdeo J. Evaluation of curcumin for dermatologic conditions: a systematic review. Arch Dermatol Res 2023; 316:37. [PMID: 38085369 DOI: 10.1007/s00403-023-02754-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 08/17/2023] [Accepted: 09/16/2023] [Indexed: 12/18/2023]
Abstract
There is increasing demand for natural and sustainable products for the treatment of dermatologic conditions. This systematic review aims to critically analyze published randomized controlled trials (RCTs) and provide evidence-based recommendations on the therapeutic use of curcumin for a variety of dermatological diseases. A systematic search of published literature was performed on July 18, 2023 using PRISMA guidelines for turmeric or curcumin for the treatment of skin diseases. Clinical recommendations were made based on the Oxford Centre for Evidence-Based Medicine guidelines. We identified 18 original randomized controlled trials for use of turmeric or curcumin for psoriasis, radiation dermatitis, oral lichen planus, pruritis, vitiligo, tinea capitis, facial erythema, and scarring. Psoriasis, cesarean section scar, and pruritus received grade of recommendation B. Radiation dermatitis, oral lichen planus, vitiligo, tinea capitis, and facial redness received grade of recommendation C or D. Curcumin was demonstrated to have an excellent safety profile in all clinical trials analyzed. Further research is required to determine optimal dosing and treatment parameters of turmeric. Additional, larger, RCTs and non-RCTs should be conducted to further investigate the safety and efficacy of curcumin as a treatment option for dermatological diseases.
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Affiliation(s)
- Paras Patel
- Dermatology Service, Veterans Affairs New York Harbor Healthcare System Brooklyn Campus, Brooklyn, NY, USA
- Rowan University School of Osteopathic Medicine, Stratford, NJ, USA
| | - Jennifer Y Wang
- Dermatology Service, Veterans Affairs New York Harbor Healthcare System Brooklyn Campus, Brooklyn, NY, USA
- Department of Dermatology, State University of New York, SUNY Downstate Medical Center, 450 Clarkson Avenue, 8Th Floor, Brooklyn, NY, 11203, USA
| | - Jessica Mineroff
- Dermatology Service, Veterans Affairs New York Harbor Healthcare System Brooklyn Campus, Brooklyn, NY, USA
- Department of Dermatology, State University of New York, SUNY Downstate Medical Center, 450 Clarkson Avenue, 8Th Floor, Brooklyn, NY, 11203, USA
| | - Jared Jagdeo
- Dermatology Service, Veterans Affairs New York Harbor Healthcare System Brooklyn Campus, Brooklyn, NY, USA.
- Department of Dermatology, State University of New York, SUNY Downstate Medical Center, 450 Clarkson Avenue, 8Th Floor, Brooklyn, NY, 11203, USA.
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Gouda NA, Alshammari SO, Abourehab MAS, Alshammari QA, Elkamhawy A. Therapeutic potential of natural products in inflammation: underlying molecular mechanisms, clinical outcomes, technological advances, and future perspectives. Inflammopharmacology 2023; 31:2857-2883. [PMID: 37950803 DOI: 10.1007/s10787-023-01366-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 10/06/2023] [Indexed: 11/13/2023]
Abstract
Chronic inflammation is a common underlying factor in many major diseases, including heart disease, diabetes, cancer, and autoimmune disorders, and is responsible for up to 60% of all deaths worldwide. Metformin, statins, and corticosteroids, and NSAIDs (non-steroidal anti-inflammatory drugs) are often given as anti-inflammatory pharmaceuticals, however, often have even more debilitating side effects than the illness itself. The natural product-based therapy of inflammation-related diseases has no adverse effects and good beneficial results compared to substitute conventional anti-inflammatory medications. In this review article, we provide a concise overview of present pharmacological treatments, the pathophysiology of inflammation, and the signaling pathways that underlie it. In addition, we focus on the most promising natural products identified as potential anti-inflammatory therapeutic agents. Moreover, preclinical studies and clinical trials evaluating the efficacy of natural products as anti-inflammatory therapeutic agents and their pragmatic applications with promising outcomes are reviewed. In addition, the safety, side effects and technical barriers of natural products are discussed. Furthermore, we also summarized the latest technological advances in the discovery and scientific development of natural products-based medicine.
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Affiliation(s)
- Noha A Gouda
- College of Pharmacy, Dongguk University-Seoul, Goyang, Gyeonggi, 10326, Republic of Korea
| | - Saud O Alshammari
- Department of Pharmacognosy and Alternative Medicine, Faculty of Pharmacy, Northern Border University, Rafha, 76321, Saudi Arabia
| | - Mohammed A S Abourehab
- Department of Pharmaceutics, College of Pharmacy, Umm Al-Qura University, Makkah, 21955, Saudi Arabia
| | - Qamar A Alshammari
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Northern Border University, Rafha, 76321, Saudi Arabia
| | - Ahmed Elkamhawy
- College of Pharmacy, Dongguk University-Seoul, Goyang, Gyeonggi, 10326, Republic of Korea.
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt.
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11
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Godse S, Zhou L, Sakshi S, Singla B, Singh UP, Kumar S. Nanocarrier-mediated curcumin delivery: An adjuvant strategy for CNS disease treatment. Exp Biol Med (Maywood) 2023; 248:2151-2166. [PMID: 38058006 PMCID: PMC10800127 DOI: 10.1177/15353702231211863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/08/2023] Open
Abstract
Neurological disorders are a major global challenge, which counts for a substantial slice of disease burden around the globe. In these, the challenging landscape of central nervous system (CNS) diseases, including Alzheimer's disease, Parkinson's disease, multiple sclerosis, and neuro-AIDS, demands innovative and novel therapeutic approaches. Curcumin, a versatile natural compound with antioxidant and anti-inflammatory properties, shows great potential as a CNS adjuvant therapy. However, its limited bioavailability and suboptimal permeability to the blood-brain barrier (BBB) hamper the therapeutic efficacy of curcumin. This review explores how nanocarrier facilitates curcumin delivery, which has shown therapeutic efficacy for various non-CNS diseases, for example, cancers, and can also revolutionize the treatment outcomes in patients with CNS diseases. Toward this, intranasal administration of curcumin as a non-invasive CNS drug delivery route can also aid its therapeutic outcomes as an adjuvant therapy for CNS diseases. Intranasal delivery of nanocarriers with curcumin improves the bioavailability of curcumin and its BBB permeability, which is instrumental in promoting its therapeutic potential. Furthermore, curcumin's inhibitory effect on efflux transporters will help to enhance the BBB and cellular permeability of various CNS drugs. The therapeutic potential of curcumin as an adjuvant has the potential to yield synergistic effects with CNS drugs and will help to reduce CNS drug doses and improve their safety profile. Taken together, this approach holds a promise for reshaping CNS disease management by maximizing curcumin's and other drugs' therapeutic benefits.
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Affiliation(s)
- Sandip Godse
- Department of Pharmaceutical Sciences, College of Pharmacy, The University of Tennessee Health Science Center, Memphis, TN 38163, USA
| | - Lina Zhou
- Department of Pharmaceutical Sciences, College of Pharmacy, The University of Tennessee Health Science Center, Memphis, TN 38163, USA
| | - Swarna Sakshi
- Alabama College of Osteopathic Medicine, Dothan, AL 36303, USA
| | - Bhupesh Singla
- Department of Pharmaceutical Sciences, College of Pharmacy, The University of Tennessee Health Science Center, Memphis, TN 38163, USA
| | - Udai P Singh
- Department of Pharmaceutical Sciences, College of Pharmacy, The University of Tennessee Health Science Center, Memphis, TN 38163, USA
| | - Santosh Kumar
- Department of Pharmaceutical Sciences, College of Pharmacy, The University of Tennessee Health Science Center, Memphis, TN 38163, USA
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12
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Elkhateeb O, Badawy MEI, Tohamy HG, Abou-Ahmed H, El-Kammar M, Elkhenany H. Curcumin-infused nanostructured lipid carriers: a promising strategy for enhancing skin regeneration and combating microbial infection. BMC Vet Res 2023; 19:206. [PMID: 37845727 PMCID: PMC10577905 DOI: 10.1186/s12917-023-03774-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 10/04/2023] [Indexed: 10/18/2023] Open
Abstract
BACKGROUND Curcumin is a biomolecule that can be extracted from the Curcuma longa that has been shown to have the potential to aid skin wound healing. It has been studied for its anti-inflammatory and antioxidant properties, which may help to reduce swelling and promote tissue repair. However, curcumin has low solubility in water, which can limit its absorption and bioavailability. Encapsulating it in lipid nanoparticles may help to increase its absorption, leading to improved bioavailability. METHODS Curcumin-loaded nanostructure lipid nanocarriers (CURC-NLCs) were prepared and characterized. Also, the phenolic, flavonoid contents, antioxidant and antimicrobial efficacy against gram-positive and gram-negative bacteria were investigated. Furthermore, in vivo rabbit animal model was used to test its regenerative capacity and wound-healing efficiency. RESULTS The CURC-NLCs significantly increased the content of phenolic and flavonoid compounds compared to curcumin, resulting in a dramatic increase in antioxidant activity. CURC-NLCs also showed a potent inhibitory effect on Gram-positive, Gram-negative, and fungi, two times higher than curcumin. CURC-NLCs showed a higher potential to fasten the wound healing of full-thickness skin injuries as it resulted in 1.15- and 1.9-fold higher wound closure at the first week of injury compared to curcumin and control, respectively (p < 0.0001). CONCLUSION These results suggest that CURC-NLCs have an excellent potential to promote skin regeneration, which could be attributed to its antioxidant and broad-spectrum antimicrobial effect.
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Affiliation(s)
- Ola Elkhateeb
- Department of Surgery, Faculty of Veterinary Medicine, Alexandria University, Alexandria, 22785, Egypt
| | - Mohamed E I Badawy
- Department of Pesticide Chemistry and Technology, Faculty of Agriculture, Alexandria University, El-Shatby, Alexandria, 21545, Egypt
| | - Hossam G Tohamy
- Department of Pathology, Faculty of Veterinary Medicine, Alexandria University, Alexandria, 22785, Egypt
| | - Howaida Abou-Ahmed
- Department of Surgery, Faculty of Veterinary Medicine, Alexandria University, Alexandria, 22785, Egypt
| | - Mahmoud El-Kammar
- Department of Surgery, Faculty of Veterinary Medicine, Alexandria University, Alexandria, 22785, Egypt
| | - Hoda Elkhenany
- Department of Surgery, Faculty of Veterinary Medicine, Alexandria University, Alexandria, 22785, Egypt.
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13
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Jiang L, Liu T, Lyu K, Chen Y, Lu J, Wang X, Long L, Li S. Inflammation-related signaling pathways in tendinopathy. Open Life Sci 2023; 18:20220729. [PMID: 37744452 PMCID: PMC10512452 DOI: 10.1515/biol-2022-0729] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 08/23/2023] [Accepted: 08/24/2023] [Indexed: 09/26/2023] Open
Abstract
Tendon is a connective tissue that produces movement by transmitting the force produced by muscle contraction to the bones. Most tendinopathy is caused by prolonged overloading of the tendon, leading to degenerative disease of the tendon. When overloaded, the oxygen demand of tenocytes increases, and the tendon structure is special and lacks blood supply, which makes it easier to form an oxygen-deficient environment in tenocytes. The production of reactive oxygen species due to hypoxia causes elevation of inflammatory markers in the tendon, including PGE2, IL-1β, and TNF-α. In the process of tendon healing, inflammation is also a necessary stage. The inflammatory environment formed by cytokines and various immune cells play an important role in the clearance of necrotic material, the proliferation of tenocytes, and the production of collagen fibers. However, excessive inflammation can lead to tendon adhesions and hinder tendon healing. Some important and diverse biological functions of the body originate from intercellular signal transduction, among which cytokine mediation is an important way of signal transduction. In particular, NF-κB, NLRP3, p38/MAPK, and signal transducer and activator of transcription 3, four common signaling pathways in tendinopathy inflammatory response, play a crucial role in the regulation and transcription of inflammatory factors. Therefore, summarizing the specific mechanisms of inflammatory signaling pathways in tendinopathy is of great significance for an in-depth understanding of the inflammatory response process and exploring how to inhibit the harmful part of the inflammatory response and promote the beneficial part to improve the healing effect of the tendon.
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Affiliation(s)
- Li Jiang
- School of Physical Education, Southwest Medical University, Luzhou, 646000, China
| | - Tianzhu Liu
- Neurology Department, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, 646000, China
| | - Kexin Lyu
- School of Physical Education, Southwest Medical University, Luzhou, 646000, China
| | - Yixuan Chen
- School of Physical Education, Southwest Medical University, Luzhou, 646000, China
| | - Jingwei Lu
- School of Physical Education, Southwest Medical University, Luzhou, 646000, China
| | - Xiaoqiang Wang
- The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, 646000, China
| | - Longhai Long
- The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, 646000, China
| | - Sen Li
- Division of Spine Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, Affiliated Hospital
of Medical School, Nanjing University, Nanjing, 210000, China
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14
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Radzka J, Łapińska Z, Szwedowicz U, Gajewska-Naryniecka A, Gizak A, Kulbacka J. Alternations of NF-κB Signaling by Natural Compounds in Muscle-Derived Cancers. Int J Mol Sci 2023; 24:11900. [PMID: 37569275 PMCID: PMC10418583 DOI: 10.3390/ijms241511900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 07/13/2023] [Accepted: 07/21/2023] [Indexed: 08/13/2023] Open
Abstract
The NF-κB-signaling pathway plays a crucial role in cancer progression, including muscle-derived cancers such as rhabdomyosarcoma or sarcoma. Several natural compounds have been studied for their ability to alter NF-κB signaling in these types of cancers. This review paper summarizes the current knowledge on the effects of natural compounds, including curcumin, resveratrol, quercetin, epigallocatechin-3-gallate, and berberine, on NF-κB signaling in muscle-derived cancers. These compounds have been shown to inhibit NF-κB signaling in rhabdomyosarcoma cells through various mechanisms, such as inhibiting the activation of the IKK complex and the NF-κB transcription factor. These findings suggest that natural compounds could be potential therapeutic agents for muscle-derived cancers. However, further research is needed to fully understand their mechanisms of action and potential clinical applications.
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Affiliation(s)
- Justyna Radzka
- Department of Molecular Physiology and Neurobiology, Faculty of Biology, University of Wroclaw, 50-335 Wroclaw, Poland; (J.R.); (A.G.)
| | - Zofia Łapińska
- Department of Molecular and Cellular Biology, Faculty of Pharmacy, Wroclaw Medical University, 50-556 Wroclaw, Poland; (Z.Ł.); (U.S.); (A.G.-N.)
| | - Urszula Szwedowicz
- Department of Molecular and Cellular Biology, Faculty of Pharmacy, Wroclaw Medical University, 50-556 Wroclaw, Poland; (Z.Ł.); (U.S.); (A.G.-N.)
| | - Agnieszka Gajewska-Naryniecka
- Department of Molecular and Cellular Biology, Faculty of Pharmacy, Wroclaw Medical University, 50-556 Wroclaw, Poland; (Z.Ł.); (U.S.); (A.G.-N.)
| | - Agnieszka Gizak
- Department of Molecular Physiology and Neurobiology, Faculty of Biology, University of Wroclaw, 50-335 Wroclaw, Poland; (J.R.); (A.G.)
| | - Julita Kulbacka
- Department of Molecular and Cellular Biology, Faculty of Pharmacy, Wroclaw Medical University, 50-556 Wroclaw, Poland; (Z.Ł.); (U.S.); (A.G.-N.)
- Department of Immunology, State Research Institute Centre for Innovative Medicine, 08410 Vilnius, Lithuania
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15
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Liu YJ, Du J, Li J, Tan XP, Zhang Q. CTHRC1, a novel gene with multiple functions in physiology, disease and solid tumors (Review). Oncol Lett 2023; 25:266. [PMID: 37216164 PMCID: PMC10193374 DOI: 10.3892/ol.2023.13852] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 03/01/2023] [Indexed: 05/24/2023] Open
Abstract
Collagen triple helix repeat containing 1 (CTHRC1) is a gene discovered in 2005; it is highly conserved, and no homologous proteins have been disclosed thus far. A number of studies have shown that CTHRC1 is present in normal tissues and organs, and it has vital functions in physiological processes, including participating in the regulation of metabolism, arterial remodeling, bone formation and myelination of the peripheral nervous system. It has been reported that abnormal expression of CTHRC1 is involved in the carcinogenesis of various human organs, such as the breast, colon, pancreas, lung, stomach and liver. Therefore, the present review aims to collate all known findings and results on the regulation of CTHRC1 expression and related signaling pathways. To conclude, this review also provides a hypothesis of the functional mechanism of this gene.
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Affiliation(s)
- Ya-Juan Liu
- Department of Gastroenterology, The First Affiliated Hospital of Yangtze University, Jingzhou, Hubei 434000, P.R. China
- Medical College of Yangtze University, Jingzhou, Hubei 434000, P.R. China
| | - Jing Du
- Department of Gastroenterology, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang 310014, P.R. China
| | - Jie Li
- Department of Gastroenterology, The First Affiliated Hospital of Yangtze University, Jingzhou, Hubei 434000, P.R. China
| | - Xiao-Ping Tan
- Department of Gastroenterology, The First Affiliated Hospital of Yangtze University, Jingzhou, Hubei 434000, P.R. China
| | - Qing Zhang
- Department of Gastroenterology, The First Affiliated Hospital of Yangtze University, Jingzhou, Hubei 434000, P.R. China
- Medical College of Yangtze University, Jingzhou, Hubei 434000, P.R. China
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16
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Burton I, McCormack A. Nutritional Supplements in the Clinical Management of Tendinopathy: A Scoping Review. J Sport Rehabil 2023:1-12. [PMID: 37146985 DOI: 10.1123/jsr.2022-0244] [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: 06/26/2022] [Revised: 01/02/2023] [Accepted: 02/24/2023] [Indexed: 05/07/2023]
Abstract
INTRODUCTION Tendinopathy has a high prevalence and incidence in the general population and among athletes, with a lack of consensus among medical practitioners on optimal management strategies. The objective of this scoping review was to evaluate current research on the use of nutritional supplements for treating tendinopathies, including what supplements have been used and what outcomes, outcome measures, and intervention parameters have been reported. METHODS Databases searched included Embase, SPORTDiscus, the Cochrane Library, MEDLINE, CINAHL, and AMED. This scoping review considered primary studies investigating nutritional supplements for tendinopathies and was reported in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analysis Extension for Scoping Reviews. RESULTS A total of 1527 articles were identified with 16 included in the review. Studies investigated a range of nutritional supplements in the clinical management of various tendinopathies, including several commercially available proprietary blends of several ingredients. TendoActive (mucopolysaccharides, type I collagen, and vitamin C) was used in 2 studies, TENDISULFUR (methylsulfonylmethane, hydrolyzed collagen, L-arginine, L-lysine, vitamin C, bromelain, chondroitin, glucosamine, Boswellia, and myrrh) was used in 3 studies, and Tenosan (arginine-L-alpha ketoglutarate, hydrolyzed collagen type I, methylsulfonylmethane, vitamin C, bromelain, and vinitrox) was used in 2 studies. Collagen peptides were used in 2 studies, with omega-3 fatty acids, combined fatty acids and antioxidants, turmeric rhizome combined with Boswellia, β-hydroxy β-methylbutyric, vitamin C in isolation and combined with gelatin, and creatine investigated in one study each. CONCLUSION Despite a paucity of studies to date, findings from this review suggest that several nutritional compounds may be beneficial in the clinical management of tendinopathies, by exerting anti-inflammatory effects and improving tendon healing. Nutritional supplements may have potential as an adjunctive method to standard treatment methods such as exercise, where their pain-relieving, anti-inflammatory, and structural tendon effects may augment the positive functional outcomes gained from progressive exercise rehabilitation.
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Affiliation(s)
- Ian Burton
- Portlethen Medical Centre, Aberdeenshire, NHS Grampian, Aberdeen,United Kingdom
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17
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Molinaro G, Fontana F, Pareja Tello R, Wang S, López Cérda S, Torrieri G, Correia A, Waris E, Hirvonen JT, Barreto G, A Santos H. In Vitro Study of the Anti-inflammatory and Antifibrotic Activity of Tannic Acid-Coated Curcumin-Loaded Nanoparticles in Human Tenocytes. ACS APPLIED MATERIALS & INTERFACES 2023; 15:23012-23023. [PMID: 37129860 DOI: 10.1021/acsami.3c05322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Tendinitis is a tendon disorder related to inflammation and pain, due to an injury or overuse of the tissue, which is hypocellular and hypovascular, leading to limited repair which occurs in a disorganized deposition of extracellular matrix that leads to scar formation and fibrosis, ultimately resulting in impaired tendon integrity. Current conventional treatments are limited and often ineffective, highlighting the need for new therapeutic strategies. In this work, acetalated-dextran nanoparticles (AcDEX NPs) loaded with curcumin and coated with tannic acid (TA) are developed to exploit the anti-inflammatory and anti-fibrotic properties of the two compounds. For this purpose, a microfluidic technique was used in order to obtain particles with a precise size distribution, aiming to decrease the batch-to-batch variability for possible future clinical translation. Coating with TA increased not only the stability of the nanosystem in different media but also enhanced the interaction and the cell-uptake in primary human tenocytes and KG-1 macrophages. The nanosystem exhibited good biocompatibility toward these cell types and a good release profile in an inflammatory environment. The efficacy was demonstrated by real-time quantitative polymerase chain reaction, in which the curcumin loaded in the particles showed good anti-inflammatory properties by decreasing the expression of NF-κb and TA-coated NPs showing anti-fibrotic effect, decreasing the gene expression of TGF-β. Overall, due to the loading of curcumin and TA in the AcDEX NPs, and their synergistic activity, this nanosystem has promising properties for future application in tendinitis.
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Affiliation(s)
- Giuseppina Molinaro
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, P.O. Box 56, Fabianinkatu 33, 00014 Helsinki, Finland
| | - Flavia Fontana
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, P.O. Box 56, Fabianinkatu 33, 00014 Helsinki, Finland
| | - Rubén Pareja Tello
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, P.O. Box 56, Fabianinkatu 33, 00014 Helsinki, Finland
| | - Shiqi Wang
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, P.O. Box 56, Fabianinkatu 33, 00014 Helsinki, Finland
| | - Sandra López Cérda
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, P.O. Box 56, Fabianinkatu 33, 00014 Helsinki, Finland
| | - Giulia Torrieri
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, P.O. Box 56, Fabianinkatu 33, 00014 Helsinki, Finland
| | - Alexandra Correia
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, P.O. Box 56, Fabianinkatu 33, 00014 Helsinki, Finland
| | - Eero Waris
- Department of Hand Surgery, University of Helsinki and Helsinki University Hospital, 00029 HUS Helsinki, Finland
| | - Jouni T Hirvonen
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, P.O. Box 56, Fabianinkatu 33, 00014 Helsinki, Finland
| | - Goncalo Barreto
- Translational Immunology Research Program, Faculty of Medicine, University of Helsinki, PL 4 (Yliopistonkatu 3), 00014 Helsinki, Finland
- Medical Ultrasonics Laboratory (MEDUSA), Department of Neuroscience and Biomedical Engineering, Aalto University, 02150 Espoo, Finland
- Orton Orthopedic Hospital, Tenholantie 10, 00280 Helsinki, Finland
| | - Hélder A Santos
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, P.O. Box 56, Fabianinkatu 33, 00014 Helsinki, Finland
- Department of Biomedical Engineering, University Medical Center Groningen, University of Groningen, Ant. Deusinglaan 1, 9713 AV Groningen, The Netherlands
- W. J. Kolff Institute for Biomedical Engineering and Materials Science, University Medical Center Groningen, University of Groningen, Ant. Deusinglaan 1, 9713 AV Groningen, The Netherlands
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18
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Vinhas A, Almeida AF, Rodrigues MT, Gomes ME. Prospects of magnetically based approaches addressing inflammation in tendon tissues. Adv Drug Deliv Rev 2023; 196:114815. [PMID: 37001644 DOI: 10.1016/j.addr.2023.114815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 03/24/2023] [Accepted: 03/25/2023] [Indexed: 03/31/2023]
Abstract
Tendon afflictions constitute a significant share of musculoskeletal diseases and represent a primary cause of incapacity worldwide. Unresolved/chronic inflammatory states have been associated with the onset and progression of tendon disorders, contributing to undesirable immune stimulation and detrimental tissue effects. Thus, targeting persistent inflammatory events could assist important developments to solve pathophysiological processes and innovative therapeutics to address impaired healing and accomplish complete tendon regeneration. This review overviews the impact of inflammation and inflammatory mediators in tendon niches, unveiling the importance of tendon cell populations and their signature features, and the influence of microenvironmental factors on inflamed and injured tendons. The demand for non-invasive instructive strategies to manage persistent inflammatory mediators, guide inflammatory pathways, and modulate cellular responses will also be approached by exploring the role of pulsed electromagnetic field (PEMF). PEMF alone or combined with more sophisticated systems triggered by magnetic fields will be considered in the design of successful therapies to control inflammation in tendinopathic conditions.
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19
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Aprioku JS, Amamina AM, Nnabuenyi PA. Mancozeb-induced hepatotoxicity: protective role of curcumin in rat animal model. Toxicol Res (Camb) 2023; 12:107-116. [PMID: 36866214 PMCID: PMC9972844 DOI: 10.1093/toxres/tfac085] [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: 07/26/2022] [Revised: 11/26/2022] [Accepted: 12/16/2022] [Indexed: 01/18/2023] Open
Abstract
Background Mancozeb-a widely used fungicide in the agricultural sector-is believed to cause toxicity by increasing oxidative stress. This work investigated the efficacy of curcumin in protecting mancozeb-induced hepatotoxicity. Materials and Methods Mature Wistar rats were assigned into 4 equal groups: control, mancozeb (30 mg/kg/day, ip), curcumin (100 mg/kg/day, po), and mancozeb+curcumin. The experiment lasted for 10 days. Results Our results reported that mancozeb elevated aspartate transaminase, alanine transaminase, alkaline phosphatase, lactate dehydrogenase, gamma glutamyltranspeptidase enzyme activities, and total bilirubin level in plasma; and decreased total protein and albumin levels, compared with the control group (P < 0.05-0.001). Hepatic tissue levels of malondialdehyde, and advanced oxidation protein products were significantly increased; whereas activities of superoxide dismutase, catalase, glutathione peroxidase, as well as levels of reduced glutathione, vitamin C, and total protein were reduced (P < 0.05-0.001). Histopathological examination showed marked histological changes. Co-treatment with curcumin improved the antioxidant activity; reversed oxidative stress and biochemical changes; and restored most of the liver histo-morphological alterations; thus, attenuating the hepatic toxicities induced by mancozeb. Conclusion These results indicated that curcumin could protect against detrimental hepatic effects induced by mancozeb.
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Affiliation(s)
- Jonah Sydney Aprioku
- Department of Experimental Pharmacology and Toxicology, Faculty of Pharmaceutical Sciences, University of Port Harcourt, East-West Road, Choba, Rivers State, PMB 5323, Nigeria
| | - Ayanabia Monica Amamina
- Department of Experimental Pharmacology and Toxicology, Faculty of Pharmaceutical Sciences, University of Port Harcourt, East-West Road, Choba, Rivers State, PMB 5323, Nigeria
| | - Perpetua Amarachi Nnabuenyi
- Department of Experimental Pharmacology and Toxicology, Faculty of Pharmaceutical Sciences, University of Port Harcourt, East-West Road, Choba, Rivers State, PMB 5323, Nigeria
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20
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Vastegani SM, Hajipour S, Sarkaki A, Basir Z, Farbood Y, Bavarsad K, Khoshnam SE. Curcumin Ameliorates Neurobehavioral Deficits in Ambient Dusty Particulate Matter-Exposure Rats: The Role of Oxidative Stress. Neurochem Res 2023; 48:1798-1810. [PMID: 36708454 DOI: 10.1007/s11064-023-03877-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 01/23/2023] [Accepted: 01/24/2023] [Indexed: 01/29/2023]
Abstract
It has been consistently found that exposure to ambient air pollution, such as particulate matter (PM), results in cognitive impairments and mental disorders. This study aimed to investigate the possible neuroprotective effects of curcumin, a polyphenol compound, on the neurobehavioral deficits and to identify the role of oxidative stress in dusty PM exposure rats. Rats received curcumin (50 mg/kg, daily, gavage, 2 weeks) 30 min before placing animals in a clean air chamber (≤ 150 µg/m3, 60 min daily, 2 weeks) or ambient dusty PM chamber (2000-8000 µg/m3, 60 min daily, 2 weeks). Subsequently, the cognitive and non-cognitive functions of the animals were evaluated using standard behavioral tests. Moreover, blood-brain barrier (BBB) permeability, brain water content (BWC), oxidative-antioxidative status, and histological changes were determined in the cerebral cortex and hippocampal areas of the rats. Our results showed that curcumin administration in dusty PM exposure rats attenuates memory impairment, decreases anxiety-/depression-like behaviors, and improves locomotor/exploratory activities. These findings were accompanied by reduced BBB permeability and BWC, decreasing oxidative stress, and lessening neuronal loss in the cerebral cortex and different hippocampal areas. The results of this study suggest that curcumin's antioxidant properties may contribute to its efficacy in improving neurobehavioral deficits and preventing neuronal loss associated with dusty PM exposure.
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Affiliation(s)
- Sadegh Moradi Vastegani
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Somayeh Hajipour
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Alireza Sarkaki
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Zahra Basir
- Department of Basic Sciences, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Yaghoob Farbood
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Kowsar Bavarsad
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Seyed Esmaeil Khoshnam
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
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21
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Hajipour S, Vastegani SM, Sarkaki A, Basir Z, Navabi SP, Farbood Y, Khoshnam SE. Curcumin attenuates memory impairments and long-term potentiation deficits by damping hippocampal inflammatory cytokines in lipopolysaccharide-challenged rats. Metab Brain Dis 2023; 38:1379-1388. [PMID: 36701014 DOI: 10.1007/s11011-023-01169-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Accepted: 01/16/2023] [Indexed: 01/27/2023]
Abstract
Neuroinflammation is a key pathological event triggering neurodegenerative process, resulting in neurologic sequelae. Curcumin (cur) has recently received increasing attention due to its anti-inflammatory properties. Therefore, we investigated the protective effects of curcumin on lipopolysaccharide (LPS)-induced memory impairments, long-term potentiation (LTP) deficits, hippocampal inflammatory cytokines, and neuronal loss in male rats. Rats were randomly divided into four groups as follows: (1) Vehicle; (2) cur; (3) LPS; and (4) cur/LPS. Following curcumin pretreatment (50 mg/kg, per oral via gavage, 14 consecutive days), animals received a single dose of LPS (1 mg/kg, intraperitoneally) or saline. Twenty-four hours after LPS/or saline administration, passive avoidance test (PAT), hippocampal LTP, inflammatory cytokines (TNFα, IL-1β), and neuronal loss were assessed in hippocampal tissue of rats. Our results indicated that pretreatment with curcumin in LPS-challenged rats attenuates memory impairment in PAT, which was accompanied by significant increase in the field excitatory post-synaptic potential (fEPSP) slope and population spike (PS) amplitude. Hence, pretreatment with curcumin in LPS-treated rats decreased hippocampal concentration of tumor necrosis factor-alpha (TNF-α) and interleukin-1β (IL-1β), as well as reduced neuronal loss in the hippocampal tissue. This study provide evidence that pretreatment with curcumin attenuates LPS-induced memory impairment and LTP deficiency, which may be partly related to the amelioration of inflammatory cytokines and neuronal loss in the hippocampal tissue.
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Affiliation(s)
- Somayeh Hajipour
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Sadegh Moradi Vastegani
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Alireza Sarkaki
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Zahra Basir
- Department of Basic Sciences, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Seyedeh Parisa Navabi
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Yaghoob Farbood
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Seyed Esmaeil Khoshnam
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
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22
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Is Curcumine Useful in the Treatment and Prevention of the Tendinopathy and Myotendinous Junction Injury? A Scoping Review. Nutrients 2023; 15:nu15020384. [PMID: 36678255 PMCID: PMC9860696 DOI: 10.3390/nu15020384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 01/04/2023] [Accepted: 01/10/2023] [Indexed: 01/15/2023] Open
Abstract
Physical activity in general and sports in particular, is a mechanism that produces stress and generates great force in the tendon and in the muscle-tendon unit, which increases the risk of injury (tendinopathies). Eccentric and repetitive contraction of the muscle precipitates persistent microtraumatism in the tendon unit. In the development of tendinopathies, the cellular process includes inflammation, apoptosis, vascular, and neuronal changes. Currently, treatments with oral supplements are frequently used. Curcumin seems to preserve, and even repair, damaged tendons. In this systematic review, we focus more especially on the benefits of curcumin. The biological actions of curcumin are diverse, but act around three systems: (a) inflammatory, (b) nuclear factor B (NF-κB) related apoptosis pathways, and (c) oxidative stress systems. A bibliographic search is conducted under the guidelines of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) as a basis for reporting reliable systematic reviews to perform a Scoping review. After analysing the manuscripts, we can conclude that curcumin is a product that demonstrates a significant biological antialgic, anti-inflammatory, and antioxidant power. Therefore, supplementation has a positive effect on the inflammatory and regenerative response in tendinopathies. In addition, curcumin decreases and modulates the cell infiltration, activation, and maturation of leukocytes, as well as the production of pro-inflammatory mediators at the site of inflammation.
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23
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Mohamadian M, Parsamanesh N, Chiti H, Sathyapalan T, Sahebkar A. Protective effects of curcumin on ischemia/reperfusion injury. Phytother Res 2022; 36:4299-4324. [PMID: 36123613 DOI: 10.1002/ptr.7620] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 08/06/2022] [Accepted: 08/24/2022] [Indexed: 12/13/2022]
Abstract
Ischemia/reperfusion (I/R) injury is a term used to describe phenomena connected to the dysfunction of various tissue damage due to reperfusion after ischemic injury. While I/R may result in systemic inflammatory response syndrome or multiple organ dysfunction syndrome, there is still a long way to improve therapeutic outcomes. A number of cellular metabolic and ultrastructural alterations occur by prolonged ischemia. Ischemia increases the expression of proinflammatory gene products and bioactive substances within the endothelium, such as cytokines, leukocytes, and adhesion molecules, even as suppressing the expression of other "protective" gene products and substances, such as thrombomodulin and constitutive nitric oxide synthase (e.g., prostacyclin, nitric oxide [NO]). Curcumin is the primary phenolic pigment derived from turmeric, the powdered rhizome of Curcuma longa. Numerous studies have shown that curcumin has strong antiinflammatory and antioxidant characteristics. It also prevents lipid peroxidation and scavenges free radicals like superoxide anion, singlet oxygen, NO, and hydroxyl. In our study, we highlight the mechanisms of protective effects of curcumin against I/R injury in various organs.
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Affiliation(s)
- Malihe Mohamadian
- Cellular and Molecular Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Negin Parsamanesh
- Zanjan Metabolic Diseases Research Center, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Hossein Chiti
- Zanjan Metabolic Diseases Research Center, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Thozhukat Sathyapalan
- Department of Academic Diabetes, Endocrinology and Metabolism, Hull York Medical School, University of Hull, Hull, UK
| | - Amirhossein Sahebkar
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,School of Medicine, The University of Western Australia, Perth, Australia.,Department of Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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24
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Huang H, Jiesisibieke D, Zhou X, Zhang Z, Duan X, Cheng X, Shao Z, Wang J, Zhang X. A lipid metabolite lipidomics assay for prediction and severity evaluation of rotator cuff injury. Front Nutr 2022; 9:1000947. [PMID: 36211515 PMCID: PMC9537637 DOI: 10.3389/fnut.2022.1000947] [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: 07/22/2022] [Accepted: 08/30/2022] [Indexed: 11/13/2022] Open
Abstract
ObjectiveRotator cuff injury can be caused by local inflammation and fibrosis of musculotendinous cuff. Hypercholesterolemia can lead to physiological changes of rotator cuff that resemble rotator cuff injury. However, the relationship between lipid metabolism and rotator cuff injury and its potential pathological mechanism remain unclear. Herein, we aimed to investigate the correlation between the plasma lipidome, rotator cuff injury, and successive fatty infiltration pathology, and hoped to identify biomarkers for predicting higher risk or higher severity rotator cuff injury by assessing metabolic perturbations and dyslipidemia using lipidomics.MethodsWe quantitatively analyzed 60 lipids species of seven lipids classes and subclasses from 66 subjects using lipidomics. Subjects were divided into four groups: (1) normal rotator cuff with normal clinical routine serum lipid test results (NN group = 13); (2) normal rotator cuff with abnormal clinical routine serum lipid test results (NA group = 10); (3) rotator cuff tear with normal routine serum lipid test results (RN group = 30); (4) rotator cuff tear with abnormal routine serum lipid test results (RA group = 13). Independent-sample t-tests and Kruskal-Wallis tests were used to compare lipid metabolite levels in serum between different groups in patients with rotator cuff tears. The orthogonal partial least squares-discriminant analysis (OPLS-DA) model was used to verify the ability of five lysophosphatidylcholines (LPCs) to distinguish rotator cuff injuries. In the rotator cuff tear group, magnetic resonance imaging (MRI) was used to classify fatty infiltration according to Goutallier's classification. Kruskal-Wallis tests were used to analyze molecular differences between high-grade (grade 3–4) and low-grade (grade 0–2) fatty infiltration groups. Receiver operator characteristic (ROC) curves were drawn for each diagnostic method via different metabolites. The area under the curve (AUC), cutoff, specificity, sensitivity, and accuracy of each diagnostic criterion were calculated.ResultsOur results showed that some rotator cuff injury patients yielded unique lipidomic profiles. Based on Kruskal-Wallis tests, our results showed significant differences in three lipid molecules, 17:1 Lyso PI, 18:0–22:6 PE, and 18:3 (Cis) PC, among all four groups independent of clinical blood lipid levels. Also, independent of clinical blood lipid levels, two lipid molecules, 22:0 Lyso PC and 24:0 Lyso PC, were significantly different between the two groups based on Independent sample t-tests. Kruskal-Wallis test results showed that in the rotator cuff tear group, two metabolites (24:0 SM and 16:0 ceramide) differed between high-grade and low-grade fatty infiltration. The AUC values for 22:0 Lyso PC, 24:0 Lyso PC, 18:0–22:6 PE, 24:0 SM, and 16:0 ceramide were 0.6036, 0.6757, 0.6712, 0.8333, and 0.8981, respectively.ConclusionThe results provide insight into how the metabolic mechanisms associated with dyslipidemia impact rotator cuff diseases. Five lipid molecules, 17:1 Lyso PI, 18:0–22:6 PE, 18:3 (Cis) PC, 22:0 Lyso PC, and 24:0 Lyso PC, were closely related to rotator cuff tear based on two statistical analysis methods, independent of clinical routine serum lipid test results, which indicates that lipidomics assays are more sensitive than conventional lipid tests, and more suitable for studying rotator cuff lipid metabolism. In addition, two lipid metabolites, 24:0 SM and 16:0 ceramide, are potentially useful for predicting fatty infiltration severity. Further research with a larger number of samples is needed to verify whether these two metabolites can serve as potential markers of severe fatty infiltration. The findings illuminate how metabolic mechanisms associated with dyslipidemia affect rotator cuff disease.
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Affiliation(s)
- Hongjie Huang
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, Beijing, China
| | - Dina Jiesisibieke
- School of Clinical Medicine, Peking University Health Science Center, Beijing, China
| | - Xiang Zhou
- School of Clinical Medicine, Peking University Health Science Center, Beijing, China
| | - Zhu Zhang
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, Beijing, China
| | - Xiaoning Duan
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, Beijing, China
| | - Xu Cheng
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, Beijing, China
| | - Zhenxing Shao
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, Beijing, China
| | - Jianquan Wang
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, Beijing, China
- *Correspondence: Jianquan Wang
| | - Xin Zhang
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, Beijing, China
- Xin Zhang
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25
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Bolger GT, Pucaj K, Minta YO, Sordillo P. Relationship Between the In Vitro Efficacy, Pharmacokinetics and In Vivo Efficacy of Curcumin. Biochem Pharmacol 2022; 205:115251. [PMID: 36130650 DOI: 10.1016/j.bcp.2022.115251] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 09/11/2022] [Accepted: 09/12/2022] [Indexed: 11/19/2022]
Abstract
Considerable interest continues to be focused on the development of curcumin either as an effective stand-alone therapeutic or as an adjunct therapy to established therapies. Curcumin (1, 7-bis (4-hydroxy-3-methoxyphenyl)-1, 6-heptadiene-3, 5- dione; also called diferuloylmethane) is a polyphenolic phytochemical extracted from the root of curcuma longa, commonly called turmeric. Despite evidence from in vitro (cell culture) and preclinical studies in animals, clinical studies have not provided strong evidence for a therapeutic effect of curcumin. The relevance of curcumin as a drug has been questioned based on its classification as a compound with pan assay interference and invalid metabolic panaceas properties bringing into question the relevance of the therapeutic targets identified for curcumin. To some extent this is due to the lack of a complete understanding of the link between the in vitro (cell culture activity), pharmacokinetics and in vivo activity of curcumin. In this review and using NF-κB as a cellular target for curcumin, we have investigated the relationship between the potency of curcumin as an inhibitor of NF-κB in cell culture, the pharmacokinetics of curcumin and curcumin's anticancer and anti-inflammatory effects in preclinical models of cancer and inflammation. Plausible explanations and rationale are provided to link these activities together and suggest that both curcumin and its more soluble Phase II metabolite curcumin glucuronide may play a key role in the treatment effects of curcumin in vivo mediated at NF-κB.
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Affiliation(s)
| | | | - Yvonne O Minta
- Nucro-Technics, Department of Toxicology, Toronto, ON, Canada
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26
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Ciardulli MC, Scala P, Giudice V, Santoro A, Selleri C, Oliva F, Maffulli N, Porta GD. Stem Cells from Healthy and Tendinopathic Human Tendons: Morphology, Collagen and Cytokines Expression and Their Response to T3 Thyroid Hormone. Cells 2022; 11:cells11162545. [PMID: 36010622 PMCID: PMC9406581 DOI: 10.3390/cells11162545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 08/11/2022] [Accepted: 08/11/2022] [Indexed: 11/20/2022] Open
Abstract
The aim of this study was to investigate the effect of triiodothyronine (T3) on tendon specific markers and cytokines expression of stem cells extracted from human tendons. Indeed, thyroid hormones have been reported to be protective factors, maintaining tendons’ homeostasis, whereas tendinopathy is believed to be related to a failed healing response. Healthy and tendinopathic human tendons were harvested to isolate tendon stem/progenitor cells (TSPCs). TSPCs obtained from pathological samples showed gene expression and morphological modifications at baseline in comparison with cells harvested from healthy tissues. When cells were maintained in a medium supplemented with T3 (10−6 M), only pathological populations showed a significant upregulation of tenogenic markers (DCN, TNC, COL1A1, COL3A1). Immunostaining revealed that healthy cells constantly released type I collagen, typical of tendon matrix, whereas pathological ones overexpressed and secreted type III collagen, typical of scarred and impaired tissue. Pathological cells also overexpressed pro- and anti-inflammatory cytokines, suggesting an impaired balance in the presence of T3, without STAT3 activation. Moreover, DKK-1 was significantly high in the culture medium of pathological cell cultures and was reversed by T3. This study opens perspectives on the complex biochemical alteration of cells from pathological tendons, which may lead to the chronic disease context with an impaired extracellular matrix.
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Affiliation(s)
- Maria Camilla Ciardulli
- Laboratory of Translational Medicine, Department of Medicine, Surgery and Dentistry, University of Salerno, Via S. Allende, 84081 Baronissi, Italy
| | - Pasqualina Scala
- Laboratory of Translational Medicine, Department of Medicine, Surgery and Dentistry, University of Salerno, Via S. Allende, 84081 Baronissi, Italy
| | - Valentina Giudice
- Laboratory of Translational Medicine, Department of Medicine, Surgery and Dentistry, University of Salerno, Via S. Allende, 84081 Baronissi, Italy
- Hematology and Transplant Center, University Hospital “San Giovanni di Dio e Ruggi D’Aragona”, 84131 Salerno, Italy
| | - Antonietta Santoro
- Laboratory of Translational Medicine, Department of Medicine, Surgery and Dentistry, University of Salerno, Via S. Allende, 84081 Baronissi, Italy
| | - Carmine Selleri
- Laboratory of Translational Medicine, Department of Medicine, Surgery and Dentistry, University of Salerno, Via S. Allende, 84081 Baronissi, Italy
- Hematology and Transplant Center, University Hospital “San Giovanni di Dio e Ruggi D’Aragona”, 84131 Salerno, Italy
| | - Francesco Oliva
- Laboratory of Translational Medicine, Department of Medicine, Surgery and Dentistry, University of Salerno, Via S. Allende, 84081 Baronissi, Italy
| | - Nicola Maffulli
- Laboratory of Translational Medicine, Department of Medicine, Surgery and Dentistry, University of Salerno, Via S. Allende, 84081 Baronissi, Italy
- Centre for Sports and Exercise Medicine, Barts and The London School of Medicine and Dentistry, Mile End Hospital, Queen Mary University of London, 275 Bancroft Road, London E1 4DG, UK
| | - Giovanna Della Porta
- Laboratory of Translational Medicine, Department of Medicine, Surgery and Dentistry, University of Salerno, Via S. Allende, 84081 Baronissi, Italy
- Interdepartment Centre BIONAM, University of Salerno, Via Giovanni Paolo I, 84084 Fisciano, Italy
- Correspondence:
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27
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Hemati U, Moshajari M, Jalali Mashayekhi F, Bayat M, Moslemi A, Baazm M. The effect of curcumin on NRF2/Keap1 signalling pathway in the epididymis of mouse experimental cryptorchidism. Andrologia 2022; 54:e14532. [PMID: 35882440 DOI: 10.1111/and.14532] [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: 08/27/2021] [Revised: 05/05/2022] [Accepted: 06/06/2022] [Indexed: 11/29/2022] Open
Abstract
Nrf2/Keap1 pathway, which prevents cellular damage against reactive oxygen species production, is disrupted in epididymis following cryptorchidism. In this study, we aimed to use curcumin (Cur) as an activator of Nrf2 to decrease the effects of disruption in this pathway caused by cryptorchidism. In this study, animals were randomly divided into following groups: control, sham-surgery, sham-vehicle, sham-Cur50, sham-Cur100 , cryptorchidism, cryptorchidism-vehicle, cryptorchidism-Cur50 and cryptorchidism-Cur100 . For cryptorchidism induction, the left testicle was removed from the scrotum and sutured to the abdominal wall. Two weeks after surgery, Cur was given orally to animals. After 1 month, sperm parameters and testis histopathology were analysed. The expression of Nrf2, NQO1, HO1, and Keap1 genes was evaluated by real-time polymerase chain reaction. Our data showed that Cur, especially at high doses, could improve sperm parameters and testis histopathology, which were damaged following cryptorchidism induction. The expression of HO1, NQO1, and Nrf2 genes, which had decreased in the cryptorchidism group, showed a significant increase after administration of Cur in a dose-dependent manner. Cur, by inducing the expression of genes involved in the Nrf2/Keap1 pathway, could reduce the adverse effects of cryptorchidism and might be used as adjuvant therapy for decreasing cryptorchidism complications before surgery.
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Affiliation(s)
- Uosef Hemati
- Students Research Committee, Arak University of Medical Sciences, Arak, Iran
| | - Minoo Moshajari
- Students Research Committee, Arak University of Medical Sciences, Arak, Iran
| | - Farideh Jalali Mashayekhi
- Department of Genetics and Biochemistry, School of Medicine, Arak University of Medical Sciences, Arak, Iran
| | - Mohammad Bayat
- Department of Anatomy, School of Medicine, Arak University of Medical Sciences, Arak, Iran
| | - Azam Moslemi
- Department of Biostatistics, School of Medicine, Arak University of Medical Sciences, Arak, Iran
| | - Maryam Baazm
- Department of Anatomy, School of Medicine, Arak University of Medical Sciences, Arak, Iran.,Molecular and Medicine Research Center, School of Medicine, Arak University of Medical Sciences, Arak, Iran
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28
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Effect of Vitamin C on Tendinopathy Recovery: A Scoping Review. Nutrients 2022; 14:nu14132663. [PMID: 35807843 PMCID: PMC9267994 DOI: 10.3390/nu14132663] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/22/2022] [Accepted: 06/24/2022] [Indexed: 11/16/2022] Open
Abstract
Tendinopathies represent 30–50% of all sports injuries. The tendon response is influenced by the load (volume, intensity, and frequency) that the tendon support, resulting in irritability and pain, among others. The main molecular component of tendons is collagen I (60–85%). The rest consist of glycosaminoglycans-proteoglycans, glycoproteins, and other collagen subtypes. This study’s aim was to critically evaluate the efficacy of vitamin C supplementation in the treatment of tendinopathies. At the same time, the study aims to determine the optimal conditions (dose and time) for vitamin C supplementation. A structured search was carried out in the SCOPUS, Medline (PubMed), and Web of Science (WOS) databases. The inclusion criteria took into account studies describing optimal tendon recovery when using vitamin C alone or in combination with other compounds. The study design was considered, including randomized, double-blind controlled, and parallel designs in animal models or humans. The main outcome is that vitamin C supplementation is potentially useful as a therapeutic approach for tendinopathy recovery. Vitamin C supplementation, alone or in combination with other products, increases collagen synthesis with a consequent improvement in the patient’s condition. On the other hand, vitamin C deficiency is mainly associated with a decrease in procollagen synthesis and reduced hydroxylation of proline and lysine residues, hindering the tendon repair process.
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29
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Zhang L, Wang X, Si H. Synergistic anti-inflammatory effects and mechanisms of the combination of resveratrol and curcumin in human vascular endothelial cells and rodent aorta. J Nutr Biochem 2022; 108:109083. [PMID: 35691595 DOI: 10.1016/j.jnutbio.2022.109083] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 02/16/2022] [Accepted: 05/03/2022] [Indexed: 12/22/2022]
Abstract
Chronic increased pro-inflammatory cytokines such as tumor necrosis factor-alpha (TNF-α) play critical roles in the development of endothelial dysfunction and therefore induce cardiovascular disease. Although phytochemicals have the potential ability to reduce the risk of CVD, the big gap between required high concentration in cells and the low bioavailability in the blood of phytochemicals compromise their therapeutic potentials. This study aims to investigate if combined phytochemicals at low levels exert a synergistic anti-inflammatory effect and to define relevant molecular mechanisms. Our results found that combined curcumin (5 µM) and resveratrol (5 µM) synergistically (combination index is 0.78) inhibited TNF-α-induced monocytes adhesion to human endothelial EA.hy 926 cells while the individual chemicals did not have such effect at the selected concentrations. The concentrations of curcumin (5 µM) and resveratrol (5 µM) are very close to the maximum level of curcumin (3.56 µM) and resveratrol (2 µM) in human blood. Dietary supplementation of combined curcumin (500mg/kg) and resveratrol (200mg/kg) synergistically reduced TNF-α-induced vascular inflammation in C57BL/6 mice with a similar pattern in cells. Moreover, the combination ameliorated the TNF-α-induced protein expressions and circulating levels of vascular cell adhesion molecule 1 and monocyte chemotactic protein-1 in EA.hy 926 cells, mice aorta and serum. Furthermore, combined curcumin and resveratrol significantly inhibited TNF-α-induced nuclear factor-kappaB (NF-κB) p65 nuclear protein expression than that by the individual chemical alone in EA.hy 926 cells, indicating that the synergistic effect of the combination may result from that curcumin reduces the required minimum concentration for resveratrol to inhibit the nuclear translocation of NF-κB. In conclusion, the combination of curcumin and resveratrol protects against TNF-α-induced vascular inflammation by suppressing NF-κB signaling in vitro and in vivo models. This study suggests that dietary intake of a combination of curcumin and resveratrol or its foods may be a practical, safe approach to prevent vascular inflammation and therefore prevent/treat vascular diseases in humans.
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Affiliation(s)
- Lijuan Zhang
- Department of Human Sciences, Tennessee State University, Nashville, Tennessee, USA; Department of Veterinary Medicine, Northwest University for Nationalities, Lanzhou, Gansu China
| | - Xiaoyong Wang
- Department of Human Sciences, Tennessee State University, Nashville, Tennessee, USA; Department of Medicine, Division of Rheumatology and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Hongwei Si
- Department of Human Sciences, Tennessee State University, Nashville, Tennessee, USA.
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30
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Moradi Vastegani S, Hajipour S, Sarkaki A, Basir Z, Parisa Navabi S, Farbood Y, Khoshnam SE. Curcumin mitigates lipopolysaccharide-induced anxiety/depression-like behaviors, blood–brain barrier dysfunction and brain edema by decreasing cerebral oxidative stress in male rats. Neurosci Lett 2022; 782:136697. [DOI: 10.1016/j.neulet.2022.136697] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 05/01/2022] [Accepted: 05/23/2022] [Indexed: 12/27/2022]
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31
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Modulation of Inflammation by Plant-Derived Nutraceuticals in Tendinitis. Nutrients 2022; 14:nu14102030. [PMID: 35631173 PMCID: PMC9143056 DOI: 10.3390/nu14102030] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 05/04/2022] [Accepted: 05/09/2022] [Indexed: 12/17/2022] Open
Abstract
Tendinitis (tendinopathy) is a pro-inflammatory and painful tendon disease commonly linked with mechanical overuse and associated injuries, drug abuse, and lifestyle factors (including poor diet and physical inactivity) that causes significant healthcare expenditures due to its high incidence. Nuclear factor kappa B (NF-κB) is one of the major pro-inflammatory transcription factors, along with other inflammation signaling pathways, triggered by a variety of stimuli, including cytokines, endotoxins, physical and chemical stressors, hypoxia, and other pro-inflammatory factors. Their activation is known to regulate the expression of a multitude of genes involved in inflammation, degradation, and cell death. The pathogenesis of tendinitis is still poorly understood, whereas efficient and sustainable treatment is missing. Targeting drug suppression of the key inflammatory regulators represents an effective strategy for tendinitis therapy, but requires a comprehensive understanding of their principles of action. Conventional monotherapies are often ineffective and associated with severe side effects in patients. Therefore, agents that modulate multiple cellular targets represent therapeutic treatment potential. Plant-derived nutraceuticals have been shown to act as multi-targeting agents against tendinitis via various anti-oxidant and anti-inflammatory mechanisms, whereat they were able to specifically modulate numerous signaling pathways, including NF-κB, p38/MAPK, JNK/STAT3, and PI3K/Akt, thus down-regulating inflammatory processes. This review discusses the utility of herbal nutraceuticals that have demonstrated safety and tolerability as anti-inflammatory agents for the prevention and treatment of tendinitis through the suppression of catabolic signaling pathways. Limitations associated with the use of nutraceuticals are also described.
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32
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Liu C, Yan X, Zhang Y, Yang M, Ma Y, Zhang Y, Xu Q, Tu K, Zhang M. Oral administration of turmeric-derived exosome-like nanovesicles with anti-inflammatory and pro-resolving bioactions for murine colitis therapy. J Nanobiotechnology 2022; 20:206. [PMID: 35488343 PMCID: PMC9052603 DOI: 10.1186/s12951-022-01421-w] [Citation(s) in RCA: 66] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Accepted: 04/11/2022] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Ulcerative colitis (UC) is an inflammatory bowel disease (IBD) characterized by diffuse inflammation of the colonic mucosa and a relapsing and remitting course. The current therapeutics are only modestly effective and carry risks for unacceptable adverse events, and thus more effective approaches to treat UC is clinically needed. RESULTS For this purpose, turmeric-derived nanoparticles with a specific population (TDNPs 2) were characterized, and their targeting ability and therapeutic effects against colitis were investigated systematically. The hydrodynamic size of TDNPs 2 was around 178 nm, and the zeta potential was negative (- 21.7 mV). Mass spectrometry identified TDNPs 2 containing high levels of lipids and proteins. Notably, curcumin, the bioactive constituent of turmeric, was evidenced in TDNPs 2. In lipopolysaccharide (LPS)-induced acute inflammation, TDNPs 2 showed excellent anti-inflammatory and antioxidant properties. In mice colitis models, we demonstrated that orally administrated of TDNPs 2 could ameliorate mice colitis and accelerate colitis resolution via regulating the expression of the pro-inflammatory cytokines, including TNF-α, IL-6, and IL-1β, and antioxidant gene, HO-1. Results obtained from transgenic mice with NF-κB-RE-Luc indicated that TDNPs 2-mediated inactivation of the NF-κB pathway might partially contribute to the protective effect of these particles against colitis. CONCLUSION Our results suggest that TDNPs 2 from edible turmeric represent a novel, natural colon-targeting therapeutics that may prevent colitis and promote wound repair in colitis while outperforming artificial nanoparticles in terms of low toxicity and ease of large-scale production.
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Affiliation(s)
- Cui Liu
- School of Basic Medical Sciences, Xi'an Key Laboratory of Immune Related Diseases, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China.,Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China
| | - Xiangji Yan
- School of Basic Medical Sciences, Xi'an Key Laboratory of Immune Related Diseases, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China.,Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China
| | - Yujie Zhang
- School of Basic Medical Sciences, Xi'an Key Laboratory of Immune Related Diseases, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China.,Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China
| | - Mei Yang
- School of Basic Medical Sciences, Xi'an Key Laboratory of Immune Related Diseases, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China.,Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China
| | - Yana Ma
- School of Basic Medical Sciences, Xi'an Key Laboratory of Immune Related Diseases, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China.,Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China
| | - Yuanyuan Zhang
- School of Basic Medical Sciences, Xi'an Key Laboratory of Immune Related Diseases, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China.,Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China
| | - Qiuran Xu
- Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, 310014, Zhejiang, China.
| | - Kangsheng Tu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China.
| | - Mingzhen Zhang
- School of Basic Medical Sciences, Xi'an Key Laboratory of Immune Related Diseases, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China. .,Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China. .,Institute for Biomedical Sciences, Center for Diagnostics and Therapeutics, Digestive Disease Research Group, Georgia State University, Atlanta, GA, 30302, USA.
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Mahajan DR, Tatiya AU, Girase MV, Patil CR, Jamkhande PG, Surana SJ, Kalaskar MG. Phytochemical and pharmacological validation of folklore medicine practiced in south-western Satpuda Ranges (India) for management of inflammatory conditions. JOURNAL OF ETHNOPHARMACOLOGY 2022; 285:114813. [PMID: 34752898 DOI: 10.1016/j.jep.2021.114813] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 10/27/2021] [Accepted: 11/03/2021] [Indexed: 06/13/2023]
Abstract
INTRODUCTION The ethnobotanical survey of the South-western Satpuda ranges has continued for decades. However, very few disease-specific surveys and their pharmacological validation have been published. The present study aimed to identify, document, and pharmacologically validate the tribal knowledge on anti-inflammatory medicinal plants. METHODS The field survey was conducted over a year from July 2015 to June 2016, scattered in the South-Western region of Satpuda Ranges. Documentation and identification of the medicinal herbs used often in the treatment of inflammatory conditions. Two plants, namely Eulophia herbacea Lindl., and Grewia flavescens A. Juss. were commonly used for inflammatory conditions. Phytopharmacological validation was done using carrageenan induced inflammation and CFA-induced arthritis. RESULTS The current investigation identified 32 plants from 22 different families as anti-inflammatory plants. G. flavescens exhibited substantial antiarthritic action in complete Freund's adjuvant-induced arthritis in rats, and E. herbacea showed powerful anti-inflammatory activity in carrageenan-induced rat paw edema model. This activity might be attributed to the presence of gallic acid, quercetin, β-sitosterol and lupeol. CONCLUSION The research reveals that selected plants had anti-inflammatory properties in both acute and chronic inflammation. Further studies to highlight the exact mechanism of action of these plants are warranted.
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Affiliation(s)
- Dhanraj R Mahajan
- Department of Pharmacognosy, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, Dhule, Maharashtra, 425405, India
| | - Anilkumar U Tatiya
- Department of Pharmacognosy, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, Dhule, Maharashtra, 425405, India
| | - Manoj V Girase
- Department of Pharmacognosy, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, Dhule, Maharashtra, 425405, India
| | - Chandragauda R Patil
- Department of Pharmacology, Delhi Institute of Pharmaceutical Sciences and Research, New Delhi, Delhi, 110017, India
| | - Prasad G Jamkhande
- Centre for Research in Pharmaceutical Sciences, Nanded Pharmacy College, Nanded, Maharashtra, 431606, India
| | - Sanjay J Surana
- Department of Pharmacognosy, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, Dhule, Maharashtra, 425405, India
| | - Mohan G Kalaskar
- Department of Pharmacognosy, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, Dhule, Maharashtra, 425405, India.
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Co-Administration of Iron and Bioavailable Curcumin Reduces Levels of Systemic Markers of Inflammation and Oxidative Stress in a Placebo-Controlled Randomised Study. Nutrients 2022; 14:nu14030712. [PMID: 35277071 PMCID: PMC8838381 DOI: 10.3390/nu14030712] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/24/2022] [Accepted: 01/26/2022] [Indexed: 02/04/2023] Open
Abstract
Ferrous sulphate (FS) is widely used as an iron supplement to treat iron deficiency (ID), but is known to induce inflammation causing gastric side-effects resulting in poor adherence to supplement regimens. Curcumin, a potent antioxidant, has been reported to suppress inflammation via down regulation of NF-κB. The aim of the present double blind, placebo-controlled randomised trial was to assess whether co-administration of FS with a formulated, bioavailable form of curcumin (HydroCurc™) could reduce systemic inflammation and/or gastrointestinal side-effects. This study recruited 155 healthy participants (79 males; 26.42 years ± 0.55 and 76 females; 25.82 years ± 0.54), randomly allocated to one of five different treatment groups: iron and curcumin placebo (FS0_Plac), low dose (18 mg) iron and curcumin placebo (FS18_Plac), low dose iron and curcumin (FS18_Curc), high dose (65 mg) iron and curcumin placebo (FS65_Plac), and high dose iron and curcumin (FS65_Curc). Completed questionnaires and blood samples were collected from all participants at baseline (day 1), mid-point (day 21), and at end-point (day 42). Results showed a significant reduction in IL-6 in the FS65_Curc group (0.06 pg/mL ± 0.02, p = 0.0073) between the mid-point and end-point. There was also a significant reduction in mean plasma TNF levels in the FS65_Curc (0.65 pg/mL ± 0.17, p = 0.0018), FS65_Plac (0.39 pg/mL ± 0.15, p = 0.0363), and FS18_Curc (0.35 pg/mL ± 0.13, p = 0.0288) groups from mid-point to end-point. A significant increase was observed in mean plasma TBARS levels (0.10 µM ± 0.04, p = 0.0283) in the F18_Plac group from baseline to end-point. There was a significant association with darker stools between FS0_Plac vs. FS65_Plac (p = 0.002, Fisher's exact test) suggesting that high iron dose in the absence of curcumin leads to darker stools. A reduction in inflammation-related markers in response to co-administering supplemental iron alongside formulated curcumin suggests a reduction in systemic inflammation. This supplementation approach may therefore be a more cost effective and convenient alternative to current oral iron-related treatments, with further research to be conducted.
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Mueller AL, Brockmueller A, Kunnumakkara AB, Shakibaei M. Calebin A, a Compound of Turmeric, Down-Regulates Inflammation in Tenocytes by NF-κB/Scleraxis Signaling. Int J Mol Sci 2022; 23:ijms23031695. [PMID: 35163616 PMCID: PMC8836001 DOI: 10.3390/ijms23031695] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 01/28/2022] [Accepted: 01/31/2022] [Indexed: 12/12/2022] Open
Abstract
Calebin A (CA) is one of the active constituents of turmeric and has anti-inflammatory and antioxidant effects. Excessive inflammation and cell apoptosis are the main causes of tendinitis and tendinopathies. However, the role of CA in tendinitis is still unclear and needs to be studied in detail. Tenocytes in monolayer or 3D-alginate cultures in the multicellular tendinitis microenvironment (fibroblast cells) with T-lymphocytes (TN-ME) or with TNF-α or TNF-β, were kept without treatment or treated with CA to study their range of actions in inflammation. We determined that CA blocked TNF-β-, similar to TNF-α-induced adhesiveness of T-lymphocytes to tenocytes. Moreover, immunofluorescence and immunoblotting showed that CA, similar to BMS-345541 (specific IKK-inhibitor), suppressed T-lymphocytes, or the TNF-α- or TNF-β-induced down-regulation of Collagen I, Tenomodulin, tenocyte-specific transcription factor (Scleraxis) and the up-regulation of NF-κB phosphorylation; thus, its translocation to the nucleus as well as various NF-κB-regulated proteins was implicated in inflammatory and degradative processes. Furthermore, CA significantly suppressed T-lymphocyte-induced signaling, similar to TNF-β-induced signaling, and NF-κB activation by inhibiting the phosphorylation and degradation of IκBα (an NF-κB inhibitor) and IκB-kinase activity. Finally, inflammatory TN-ME induced the functional linkage between NF-κB and Scleraxis, proposing that a synergistic interaction between the two transcription factors is required for the initiation of tendinitis, whereas CA strongly attenuated this linkage and subsequent inflammation. For the first time, we suggest that CA modulates TN-ME-promoted inflammation in tenocytes, at least in part, via NF-κB/Scleraxis signaling. Thus, CA seems to be a potential bioactive compound for the prevention and treatment of tendinitis.
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Affiliation(s)
- Anna-Lena Mueller
- Musculoskeletal Research Group and Tumor Biology, Chair of Vegetative Anatomy, Institute of Anatomy, Faculty of Medicine, Ludwig-Maximilian-University Munich, Pettenkoferstr. 11, D-80336 Munich, Germany; (A.-L.M.); (A.B.)
| | - Aranka Brockmueller
- Musculoskeletal Research Group and Tumor Biology, Chair of Vegetative Anatomy, Institute of Anatomy, Faculty of Medicine, Ludwig-Maximilian-University Munich, Pettenkoferstr. 11, D-80336 Munich, Germany; (A.-L.M.); (A.B.)
| | - Ajaikumar B. Kunnumakkara
- Cancer Biology Laboratory and DBT-AIST International Center for Translational and Environmental Research (DAICENTER), Department of Biosciences and Bioengineering, Indian Institute of Technology (IIT) Guwahati, Guwahati 781039, India;
| | - Mehdi Shakibaei
- Musculoskeletal Research Group and Tumor Biology, Chair of Vegetative Anatomy, Institute of Anatomy, Faculty of Medicine, Ludwig-Maximilian-University Munich, Pettenkoferstr. 11, D-80336 Munich, Germany; (A.-L.M.); (A.B.)
- Correspondence: ; Tel.: +49-89-2180-72624
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The Effect of Age and Intrinsic Aerobic Exercise Capacity on the Expression of Inflammation and Remodeling Markers in Rat Achilles Tendons. Int J Mol Sci 2021; 23:ijms23010079. [PMID: 35008516 PMCID: PMC8744822 DOI: 10.3390/ijms23010079] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 12/16/2021] [Accepted: 12/17/2021] [Indexed: 12/19/2022] Open
Abstract
Old age, adiposity, and metabolic disorders are known as risk factors for chronic tendinopathy, which is a common problem in both athletes and the general population. However, the importance of these influencing factors has not yet been well understood. This study investigated alterations in gene expression and histology of Achilles tendons of young (10 weeks) and old (100 weeks) rats bred for low (low capacity runners, LCR) and high (high capacity runners, HCR) intrinsic aerobic exercise capacity. In this rat model, LCR displayed a phenotype of reduced exercise capacity, higher body weight, and metabolic dysfunctions compared to HCR. We hypothesized that the risk factors for tendinopathy in old LCR could lead to more pronounced impairments in Achilles tendon tissue. In quantitative real-time PCR (qPCR), age-related downregulation of tenocyte markers e.g., tenomodulin, genes related to matrix modeling and remodeling (e.g., collagens, elastin, biglycan, fibronectin, tenascin C) as well as transforming growth factor beta 3 (Tgfb3) have been detected. Inflammation marker cyclooxygenase 2 (Cox2) was downregulated in old rats, while microsomal prostaglandin E synthase 2 (Ptges2) was upregulated in old HCR and old LCR. In all groups, interleukin 6 (Il6), interleukin 1 beta (Il1b), and tumor necrosis factor alpha (Tnfa) showed no significant alteration. In histological evaluation, tendons of old rats had fewer and more elongated tenocyte nuclei than young rats. Even though a higher content of glycosaminoglycans, a sign of degeneration, was found in old HCR and LCR, no further signs of tendinopathy were detectable in tendons of old rats by histological evaluation. Low intrinsic aerobic exercise capacity and the associated phenotype did not show significant effects on gene expression and tendon histology. These findings indicate that aging seems to play a prominent role in molecular and structural alterations of Achilles tendon tissue and suggests that other risk factors associated with intrinsic aerobic exercise capacity are less influential in this rat model.
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Zhu Y, Zhong W, Peng J, Wu H, Du S. Study on the Mechanism of Baimai Ointment in the Treatment of Osteoarthritis Based on Network Pharmacology and Molecular Docking with Experimental Verification. Front Genet 2021; 12:750681. [PMID: 34868222 PMCID: PMC8635803 DOI: 10.3389/fgene.2021.750681] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 10/15/2021] [Indexed: 12/22/2022] Open
Abstract
Purpose: The external preparation of the Tibetan medicine formula, Baimai ointment (BMO), has great therapeutic effects on osteoarthritis (OA). However, its molecular mechanism remains almost elusive. Here, a comprehensive strategy combining network pharmacology and molecular docking with pharmacological experiments was adopted to reveal the molecular mechanism of BMO against OA. Methods: The traditional Chinese medicine for systems pharmacology (TCMSP) database and analysis platform, traditional Chinese medicine integrated database (TCMID), GeneCards database, and DisGeNET database were used to screen the active components and targets of BMO in treating OA. A component-target (C-T) network was built with the help of Cytoscape, and the Gene Ontology and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment through STRING. Autodock Tools which was used to dock the key components and key target proteins was analyzed. Animal experiments were performed to verify the key targets of BMO. Hematoxylin-eosin and toluidine blue staining were used to observe the pathology of joints. Protein expression was determined using enzyme-linked immunosorbent assay. Results: Bioactive compounds and targets of BMO and OA were screened. The network analysis revealed that 17-β-estradiol, curcumin, licochalone A, quercetin, and glycyrrhizic acid were the candidate key components, and IL6, tumor necrosis factor (TNF), MAPK1, VEGFA, CXCL8, and IL1B were the candidate key targets in treating OA. The KEGG indicated that the TNF signaling pathway, NF-κB signaling pathway, and HIF-1 signaling pathway were the potential pathways. Molecular docking implied a strong combination between key components and key targets. The pathology and animal experiments showed BMO had great effects on OA via regulating IL6, TNF, MAPK1, VEGFA, CXCL8, and IL1B targets. These findings were consistent with the results obtained from the network pharmacology approach. Conclusion: This study preliminarily illustrated the candidate key components, key targets, and potential pathways of BMO against OA. It also provided a promising method to study the Tibetan medicine formula or external preparations.
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Affiliation(s)
- Yingyin Zhu
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Wanling Zhong
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Jing Peng
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Huichao Wu
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Shouying Du
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
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Mueller AL, Payandeh Z, Mohammadkhani N, Mubarak SMH, Zakeri A, Alagheband Bahrami A, Brockmueller A, Shakibaei M. Recent Advances in Understanding the Pathogenesis of Rheumatoid Arthritis: New Treatment Strategies. Cells 2021; 10:cells10113017. [PMID: 34831240 PMCID: PMC8616543 DOI: 10.3390/cells10113017] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 11/03/2021] [Accepted: 11/03/2021] [Indexed: 02/07/2023] Open
Abstract
Rheumatoid arthritis (RA) is considered a chronic systemic, multi-factorial, inflammatory, and progressive autoimmune disease affecting many people worldwide. While patients show very individual courses of disease, with RA focusing on the musculoskeletal system, joints are often severely affected, leading to local inflammation, cartilage destruction, and bone erosion. To prevent joint damage and physical disability as one of many symptoms of RA, early diagnosis is critical. Auto-antibodies play a pivotal clinical role in patients with systemic RA. As biomarkers, they could help to make a more efficient diagnosis, prognosis, and treatment decision. Besides auto-antibodies, several other factors are involved in the progression of RA, such as epigenetic alterations, post-translational modifications, glycosylation, autophagy, and T-cells. Understanding the interplay between these factors would contribute to a deeper insight into the causes, mechanisms, progression, and treatment of the disease. In this review, the latest RA research findings are discussed to better understand the pathogenesis, and finally, treatment strategies for RA therapy are presented, including both conventional approaches and new methods that have been developed in recent years or are currently under investigation.
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Affiliation(s)
- Anna-Lena Mueller
- Musculoskeletal Research Group and Tumor Biology, Chair of Vegetative Anatomy, Institute of Anatomy, Faculty of Medicine, Ludwig-Maximilian-University Munich, 80336 Munich, Germany; (A.-L.M.); (A.B.)
| | - Zahra Payandeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz 5166-15731, Iran;
| | - Niloufar Mohammadkhani
- Department of Clinical Biochemistry, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran 1985717443, Iran;
- Children’s Medical Center, Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran 1419733151, Iran
| | - Shaden M. H. Mubarak
- Department of Clinical Laboratory Science, Faculty of Pharmacy, University of Kufa, Najaf 1967365271, Iraq;
| | - Alireza Zakeri
- Department of Biology Sciences, Shahid Rajaee Teacher Training University, Tehran 1678815811, Iran;
| | - Armina Alagheband Bahrami
- Department of Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran 1985717443, Iran;
| | - Aranka Brockmueller
- Musculoskeletal Research Group and Tumor Biology, Chair of Vegetative Anatomy, Institute of Anatomy, Faculty of Medicine, Ludwig-Maximilian-University Munich, 80336 Munich, Germany; (A.-L.M.); (A.B.)
| | - Mehdi Shakibaei
- Musculoskeletal Research Group and Tumor Biology, Chair of Vegetative Anatomy, Institute of Anatomy, Faculty of Medicine, Ludwig-Maximilian-University Munich, 80336 Munich, Germany; (A.-L.M.); (A.B.)
- Correspondence: ; Tel.: +49-89-2180-72624
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Lorinczova HT, Begum G, Renshaw D, Zariwala MG. Acute Administration of Bioavailable Curcumin Alongside Ferrous Sulphate Supplements Does Not Impair Iron Absorption in Healthy Adults in a Randomised Trial. Nutrients 2021; 13:nu13072300. [PMID: 34371810 PMCID: PMC8308323 DOI: 10.3390/nu13072300] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/17/2021] [Accepted: 06/30/2021] [Indexed: 11/24/2022] Open
Abstract
Ferrous sulphate (FS) is a cost effective, readily available iron supplement for iron deficiency (ID). The pro-oxidant effect of oral ferrous iron is known to induce inflammation, causing gastric side-effects and resulting in poor compliance. Curcumin is a potent antioxidant and has also been shown to exhibit iron chelation in-vitro, although it is not established whether these effects are retained in-vivo. The aim of this study was therefore to assess the influence of a formulated bioavailable form of curcumin (HydroCurcTM; 500 mg) on acute iron absorption and status in a double blind, placebo-controlled randomized trial recruiting 155 healthy participants (79 males; 26.42 years ± 0.55 and 76 females; 25.82 years ± 0.54). Participants were randomly allocated to five different treatment groups: iron and curcumin placebo (FS0_Plac), low dose (18 mg) iron and curcumin placebo (FS18_Plac), low dose iron and curcumin (FS18_Curc), high dose (65 mg) iron and curcumin placebo (FS65_Plac), and high dose iron and curcumin (FS65_Curc). Participants were provided with the supplements according to their relevant treatment groups at baseline (0 min), and blood collection was carried out at 0 min and at 180 min following supplementation. In the treatment groups, significant difference was observed in mean serum iron between baseline (0 min) and at end-point (180 min) (F (1, 144) = 331.9, p < 0.0001) with statistically significant intra-group increases after 180 min (p < 0.0001) in the FS18_Plac (8.79 µmol/L), FS18_Curc (11.41 µmol/L), FS65_Plac (19.09 µmol/L), and FS65_Curc (16.39 µmol/L) groups. A significant difference was also observed between the two time points in serum TIBC levels and in whole blood haemoglobin (HGB) in the treatment groups, with a significant increase (1.55%/2.04 g/L) in HGB levels from baseline to end-point observed in the FS65_Curc group (p < 0.05). All groups receiving iron demonstrated an increase in transferrin saturation (TS%) in a dose-related manner, demonstrating that increases in serum iron are translated into increases in physiological iron transportation. This study demonstrates, for the first time, that regardless of ferrous dose, formulated curcumin in the form of HydroCurc™ does not negatively influence acute iron absorption in healthy humans.
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Affiliation(s)
- Helena Tiekou Lorinczova
- Centre for Nutraceuticals, School of Life Sciences, University of Westminster, 115 New Cavendish Street, London W1W 6UW, UK; (H.T.L.); (G.B.)
| | - Gulshanara Begum
- Centre for Nutraceuticals, School of Life Sciences, University of Westminster, 115 New Cavendish Street, London W1W 6UW, UK; (H.T.L.); (G.B.)
| | - Derek Renshaw
- Centre for Sport, Exercise and Life Sciences, Institute for Health and Wellbeing, Coventry University, Priory St, Coventry CV1 5FB, UK;
| | - Mohammed Gulrez Zariwala
- Centre for Nutraceuticals, School of Life Sciences, University of Westminster, 115 New Cavendish Street, London W1W 6UW, UK; (H.T.L.); (G.B.)
- Correspondence: ; Tel.: +44-20-7911-5000 (ext. 65086)
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Dai W, Yan W, Leng X, Chen J, Hu X, Ao Y. Effectiveness of Curcuma longa extract versus placebo for the treatment of knee osteoarthritis: A systematic review and meta-analysis of randomized controlled trials. Phytother Res 2021; 35:5921-5935. [PMID: 34216044 DOI: 10.1002/ptr.7204] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 05/08/2021] [Accepted: 06/17/2021] [Indexed: 12/23/2022]
Abstract
The aim of this systematic review was to evaluate the efficacy and safety of all types of Curcuma longa extract versus placebo for knee osteoarthritis (OA) treatment. The research was conducted by using the databases of PubMed, Embase, Scopus, and Cochrane Library through April 2021. Randomized controlled trials (RCTs) that compared the effect of Curcuma longa extract with placebo for patients with knee OA were considered eligible. The pooled results were expressed as mean differences or relative risks with 95% confidence intervals. A total of 10 RCTs with 783 patients were eligible for this meta-analysis. The pooled analysis showed that Curcuma longa extract was associated with significantly better pain relief and functional improvement compared with placebo for knee OA. Moreover, the smallest effect sizes of VAS for pain and WOMAC total score exceeded the minimum clinically important differences (MCIDs). Current evidence indicates that, compared with placebo, Curcuma longa extract has more benefit in pain relief and functional improvement for symptomatic knee OA. However, considering the potential heterogeneity in the included studies, more future high-quality RCTs with large sample sizes are necessary to confirm the benefits of Curcuma longa extract on knee OA.
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Affiliation(s)
- Wenli Dai
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, Beijing, China
| | - Wenqiang Yan
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, Beijing, China
| | - Xi Leng
- Medical Imaging Center, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jing Chen
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, Beijing, China
| | - Xiaoqing Hu
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, Beijing, China
| | - Yingfang Ao
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, Beijing, China
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Emeka PM, Rasool ST, Morsy MA, Islam MIH, Chohan MS. Protective effects of lutein against vancomycin-induced acute renal injury in mice via upregulation of peroxisome proliferator-activated receptor gamma/nuclear factor erythroid 2-related factor 2 and inhibition nuclear factor-kappaB/caspase 3. THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY : OFFICIAL JOURNAL OF THE KOREAN PHYSIOLOGICAL SOCIETY AND THE KOREAN SOCIETY OF PHARMACOLOGY 2021; 25:321-331. [PMID: 34187949 PMCID: PMC8255119 DOI: 10.4196/kjpp.2021.25.4.321] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 03/10/2021] [Accepted: 04/05/2021] [Indexed: 12/04/2022]
Abstract
Vancomycin, an antibiotic used occasionally as a last line of treatment for methicillin-resistant Staphylococcus aureus, is reportedly associated with nephrotoxicity. This study aimed at evaluating the protective effects of lutein against vancomycin-induced acute renal injury. Peroxisome proliferator-activated receptor gamma (PPARγ) and its associated role in renoprotection by lutein was also examined. Male BALB/c mice were divided into six treatment groups: control with normal saline, lutein (200 mg/kg), vancomycin (250 mg/kg), vancomycin (500 mg/kg), vancomycin (250 mg/kg) with lutein, and vancomycin (500 mg/kg) with lutein groups; they were euthanized after 7 days of treatment. Thereafter, samples of blood, urine, and kidney tissue of the mice were analyzed, followed by the determination of levels of N-acetyl-β-D-glucosaminidase (NAG) in the urine, renal creatine kinase; protein carbonyl, malondialdehyde, and caspase-3 in the kidney; and the expression of PPARγ, nuclear factor erythroid 2-related factor 2 (Nrf2), and nuclear factor-kappaB (NF-κB) in renal tissue. Results showed that the levels of protein carbonyl and malondialdehyde, and the activity of NAG, creatine kinase and caspase-3, were significantly increased in the vancomycin-treatment groups. Moreover, the levels of Nrf2 significantly decreased, while NF-κB expression increased. Lutein ameliorated these effects, and significantly increased PPARγ expression. Furthermore, it attenuated vancomycin-induced histological alterations such as, tissue necrosis and hypertrophy. Therefore, we conclude that lutein protects against vancomycin-induced renal injury by potentially upregulating PPARγ/Nrf2 expression in the renal tissues, and consequently downregulating the pathways: inflammation by NF-κB and apoptosis by caspase-3.
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Affiliation(s)
- Promise M Emeka
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Sahibzada T Rasool
- Department of Biomedical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Mohamed A Morsy
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia.,Department of Pharmacology, Faculty of Medicine, Minia University, El-Minia 61511, Egypt
| | - Mohamed I Hairul Islam
- Department of Biological Sciences, College of Science, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Muhammad S Chohan
- Department of Biomedical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
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Chauhan A, Islam AU, Prakash H, Singh S. Phytochemicals targeting NF-κB signaling: Potential anti-cancer interventions. J Pharm Anal 2021; 12:394-405. [PMID: 35811622 PMCID: PMC9257438 DOI: 10.1016/j.jpha.2021.07.002] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 07/03/2021] [Accepted: 07/04/2021] [Indexed: 12/12/2022] Open
Abstract
Nuclear factor κB (NF-κB) is a ubiquitous regulator of the signalome and is indispensable for various biological cell functions. NF-κB consists of five transcription factors that execute both cytoplasmic and nuclear signaling processes in cells. NF-κB is the only signaling molecule that governs both pro- and anti-apoptotic, and pro- and anti-inflammatory responses. This is due to the canonical and non-canonical components of the NF-κB signaling pathway. Together, these pathways orchestrate cancer-related inflammation, hyperplasia, neoplasia, and metastasis. Non-canonical NF-κB pathways are particularly involved in the chemoresistance of cancer cells. In view of its pivotal role in cancer progression, NF-κB represents a potentially significant therapeutic target for modifying tumor cell behavior. Several phytochemicals are known to modulate NF-κB pathways through the stabilization of its inhibitor, IκB, by inhibiting phosphorylation and ubiquitination thereof. Several natural pharmacophores are known to inhibit the nuclear translocation of NF-κB and associated pro-inflammatory responses and cell survival pathways. In view of this and the high degree of specificity exhibited by various phytochemicals for the NF-κB component, we herein present an in-depth overview of these phytochemicals and discuss their mode of interaction with the NF-κB signaling pathways for controlling the fate of tumor cells for cancer-directed interventions. NF-κB plays a pivotal role in the maintenance of homeostasis and various inflammation-mediated pathologies. NF-κB is involved in cancer development and progression by modulating growth signaling and apoptosis pathways. Phytochemicals modulating NF-κB activity should be exploited to design anticancer drugs with minimal side effects. Use of these phytochemicals in adjunctive chemotherapy may enhance the chemosensitivity of existing chemotherapeutic drugs.
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Affiliation(s)
- Akansha Chauhan
- Amity Institute of Physiology & Allied Sciences, Amity University, Noida, Uttar Pradesh, India
| | - Asim Ul Islam
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi, India
| | - Hridayesh Prakash
- Amity Institute of Virology & Immunology, Amity University, Noida, Uttar Pradesh, India
| | - Sandhya Singh
- Amity Institute of Physiology & Allied Sciences, Amity University, Noida, Uttar Pradesh, India
- Corresponding author.
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Gorabi AM, Razi B, Aslani S, Abbasifard M, Imani D, Sathyapalan T, Sahebkar A. Effect of curcumin on proinflammatory cytokines: A meta-analysis of randomized controlled trials. Cytokine 2021; 143:155541. [PMID: 33934954 DOI: 10.1016/j.cyto.2021.155541] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 03/27/2021] [Accepted: 04/09/2021] [Indexed: 12/23/2022]
Abstract
It has been suggested that curcumin has the potential for lowering inflammation. In the current meta-analysis, we attempted to clarify the efficacy of curcumin/turmeric supplementation in reducing concentrations of interleukin (IL)-1, IL-6, IL-8, and tumor necrosis factor (TNF)-α in patients with an inflammatory background. The main databases were searched to identify eligible trials evaluating the effect of curcumin in reducing IL-1, IL-6, IL-8, and TNF-α in serum up to March 2021. The effect sizes for weighted mean difference (WMD) and 95% confidence intervals (CI) were calculated. Overall, 32 randomized controlled trials (RCTs) were included. There was a significant decrease in the serum levels of IL-1 (WMD = -2.33 pg/ml, 95% CI = -3.33 to -1.34, P < 0.001) and TNF-α (WMD = -1.61 pg/ml, 95% CI = -2.72, -0.51, P < 0.001) compared to the placebo group following treatment. Nonetheless, curcumin/turmeric supplementation was non-significantly associated with reduced levels of IL-6 (WMD = -0.33 pg/ml, 95% CI = -0.99-0.34, P = 0.33) and increased levels of IL-8 (WMD = 0.52 pg/ml, 95% CI = -1.13-2.17, P = 0.53). The dose-responses analysis indicated that curcumin/turmeric supplementation resulted in IL-1 and IL-8 alteration in a non-linear model. Subgroup analysis according to duration and dose of treatment and target population revealed diverse outcomes. Curcumin could have a beneficial effect in reducing the proinflammatory cytokines IL-1 and TNF-α, but not IL-6 and IL-8 levels.
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Affiliation(s)
- Armita Mahdavi Gorabi
- Research Center for Advanced Technologies in Cardiovascular Medicine, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Bahman Razi
- Department of Hematology and Blood Transfusion, School of Medicine, Tarbiat Modares University, Tehran, Iran
| | - Saeed Aslani
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mitra Abbasifard
- Molecular Medicine Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, Iran; Department of Internal Medicine, School of Medicine, Ali Ibn Abi Talib Hospital, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Danyal Imani
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Thozhukat Sathyapalan
- Academic Diabetes, Endocrinology and Metabolism, Hull York Medical School, University of Hull, Hull, United Kingdom
| | - Amirhossein Sahebkar
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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Chondroprotection and Molecular Mechanism of Action of Phytonutraceuticals on Osteoarthritis. Molecules 2021; 26:molecules26082391. [PMID: 33924083 PMCID: PMC8074261 DOI: 10.3390/molecules26082391] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 04/16/2021] [Accepted: 04/17/2021] [Indexed: 02/06/2023] Open
Abstract
Osteoarthritis (OA) is a degenerative joint disease and an important cause of incapacitation. There is a lack of drugs and effective treatments that stop or slow the OA progression. Modern pharmacological treatments, such as analgesics, have analgesic effects but do not affect the course of OA. Long-term use of these drugs can lead to serious side effects. Given the OA nature, it is likely that lifelong treatment will be required to stop or slow its progression. Therefore, there is an urgent need for disease-modifying OA treatments that are also safe for clinical use over long periods. Phytonutraceuticals are herbal products that provide a therapeutic effect, including disease prevention, which not only have favorable safety characteristics but may have an alleviating effect on the OA and its symptoms. An estimated 47% of OA patients use alternative drugs, including phytonutraceuticals. The review studies the efficacy and action mechanism of widely used phytonutraceuticals, analyzes the available experimental and clinical data on the effect of some phytonutraceuticals (phytoflavonoids, polyphenols, and bioflavonoids) on OA, and examines the known molecular effect and the possibility of their use for chondroprotection.
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Struzik S, Czarkowska-Paczek B, Wyczalkowska-Tomasik A, Maldyk P, Paczek L. Selected Clinical Features Fail to Predict Inflammatory Gene Expressions for TNF-α, TNFR1, NSMAF, Casp3 and IL-8 in Tendons of Patients with Rotator Cuff Tendinopathy. Arch Immunol Ther Exp (Warsz) 2021; 69:6. [PMID: 33683459 PMCID: PMC7940153 DOI: 10.1007/s00005-021-00610-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 03/01/2021] [Indexed: 11/28/2022]
Abstract
The pathophysiology of rotator cuff tendinopathy is not fully understood, particularly in terms of the local inflammatory process. This study aimed to investigate the expression of selected molecules in the tumour necrosis factor (TNF)-α transduction pathway, including TNF-α, TNF receptor 1 (TNFR1), neutral sphingomyelinase activation associated factor (NSMAF), caspase 3 (Casp3), and interleukin (IL)-8, in patients with rotator cuff tendinopathy that had undergone surgical treatment. We included 44 participants that underwent arthroscopy, due to rotator cuff tendinopathy. Samples from the injured tendon were collected during arthroscopy, and RT-PCR was performed to determine gene expression. Pearson correlation analyses or U-Mann–Whitney test were performed to identify associations with the following parameters: sex, age at admission, body mass index, the presence of night pain, previous treatment (nonsteroidal anti-inflammatory drugs and/or steroids), medical history of the shoulder injury, upper subluxation of the humeral head, and the number of tendons injured. RT-PCR showed that the selected pro-inflammatory factors involved in the TNF-α signalling pathway expression levels were expressed in the tendon tissues. However, the levels of expression varied from patient to patient. Variations were over 250-fold for TNF-α, about 130-fold for TNFR1, NSMAF, and Casp3, and 1000-fold for IL-8. We could not confirm that any of the clinical parameters investigated were associated with the level of gene expression in the TNF-α pathway and IL-8.
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Affiliation(s)
- Slawomir Struzik
- Department of Orthopedics and Traumatology, Medical University of Warsaw, Warsaw, Poland
| | - Bozena Czarkowska-Paczek
- Department of Clinical Nursing, Medical University of Warsaw, E. Ciolka 27, 01-445, Warsaw, Poland.
| | | | - Paweł Maldyk
- Department of Orthopedics and Traumatology, Medical University of Warsaw, Warsaw, Poland
| | - Leszek Paczek
- Department of Immunology, Transplantology and Internal Diseases, Medical University of Warsaw, Warsaw, Poland
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Henrotin Y, Dierckxsens Y, Delisse G, Seidel L, Albert A. Curcuminoids and Boswellia serrata extracts combination decreases tendinopathy symptoms: findings from an open-label post-observational study. Curr Med Res Opin 2021; 37:423-430. [PMID: 33287570 DOI: 10.1080/03007995.2020.1860923] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Background: To investigate the effects of 1-month treatment in addition to standard care with a food supplement containing both Curcuma longa and Boswellia serrata extracts on tendinopathy symptoms.Method: This open-label, non-controlled, post-observational study included 670 patients suffering from tendinopathy recruited at different sites by Belgian general practitioners. Patients received a medical prescription for 1-month treatment with two tablets twice a day of a pharmaceutical grade food supplement containing both C. longa and B. serrata extracts. Pain and functional limitation were evaluated using a visual analog scale at the inclusion and 1-month treatment later. Patient satisfaction, concomitant drugs intake and side effects were also recorded.Results: After 1-month treatment, pain and functional limitation were significantly improved whatever the cause of tendinopathy, its localization, and the duration of symptoms. The pain score decreased from 6.16 ± 1.53 to 2.98 ± 1.64 (p < .0001), yielding a drop of 51.6% and the functional limitation score fell after 1-month treatment from 5.96 ± 1.73 to 2.88 ± 1.67 (p < .0001) corresponding to a drop of 51.6%. The percentage of patients taking at least one concomitant treatment at the end of the treatment period had decreased from 81.3% to 61.8% (p < .0001). Only 43 (6.5%) patients reported side effects. No severe adverse effects related to the product were reported.Conclusion: The combination of C. longa and B. serrata extracts improves symptoms in patients suffering of tendinopathy and shows a good safety. Although its effect will have to be confirmed in randomized controlled trials, it can be considered as a helpful support of standard symptomatic treatments for tendinopathies. HighlightsTendinopathy is a common disease representing 30% of all consultations with a general practitioner for musculoskeletal disorders.The combination of Curcuminoids and Boswelliaserrata extracts are efficient on tendinopathy symptoms in support of standard symptomatic treatments.The combination of Curcuminoids and B. Serrata extract is safe and can be administrated for at least 1 month in addition of analgesic and non-steroidal anti-inflammatory drugs.
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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, Liège, Belgium
- Physical Therapy and Rehabilitation Department, Princess Paola Hospital, Marche-en-Famenne, Belgium
| | | | | | - Laurence Seidel
- Department of Biostatistics, University Hospital of Liège, Liège, Belgium
| | - Adelin Albert
- Department of Biostatistics, University Hospital of Liège, Liège, Belgium
- Department of Public Health, University of Liège, Liège, Belgium
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de Sire A, Agostini F, Lippi L, Mangone M, Marchese S, Cisari C, Bernetti A, Invernizzi M. Oxygen-Ozone Therapy in the Rehabilitation Field: State of the Art on Mechanisms of Action, Safety and Effectiveness in Patients with Musculoskeletal Disorders. Biomolecules 2021; 11:biom11030356. [PMID: 33652804 PMCID: PMC7996934 DOI: 10.3390/biom11030356] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 02/11/2021] [Accepted: 02/22/2021] [Indexed: 12/15/2022] Open
Abstract
In recent years, the interest in oxygen–ozone (O2O3) therapy application has considerably increased in the field of rehabilitation. Despite its widespread use in common clinical practice, the biochemical effects of O2O3 are still far from being understood, although its chemical properties seem to play a pivotal role in exerting its positive effects on different pathological conditions. Indeed, the effectiveness of O2O3 therapy might be partly due to the moderate oxidative stress produced by O3 interactions with biological components. O2O3 therapy is widely used as an adjuvant therapeutic option in several pathological conditions characterized by chronic inflammatory processes and immune over-activation, and most musculoskeletal disorders share these pathophysiological processes. The present comprehensive review depicts the state-of-the-art on the mechanisms of action, safety and effectiveness of O2O3 therapy in the complex scenario of the management of musculoskeletal disorders. Taken together, our findings suggest that O2O3 therapy seems to reduce pain and improve functioning in patients affected by low back pain and knee osteoarthritis, as reported by several studies in the literature. However, to date, further studies are warranted to clearly investigate the therapeutic effects of this promising therapy on other musculoskeletal disorders in the field of rehabilitation.
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Affiliation(s)
- Alessandro de Sire
- Department of Medical and Surgical Sciences, University of Catanzaro “Magna Graecia”, 88100 Catanzaro, Italy
- Correspondence: ; Tel.: +39-096-136-9768
| | - Francesco Agostini
- Department of Anatomy, Histology, Forensic Medicine and Orthopedics, Sapienza University, 00185 Rome, Italy; (F.A.); (M.M.); (S.M.); (A.B.)
| | - Lorenzo Lippi
- Department of Health Sciences, University of Eastern Piedmont, 28100 Novara, Italy; (L.L.); (C.C.); (M.I.)
| | - Massimiliano Mangone
- Department of Anatomy, Histology, Forensic Medicine and Orthopedics, Sapienza University, 00185 Rome, Italy; (F.A.); (M.M.); (S.M.); (A.B.)
| | - Simone Marchese
- Department of Anatomy, Histology, Forensic Medicine and Orthopedics, Sapienza University, 00185 Rome, Italy; (F.A.); (M.M.); (S.M.); (A.B.)
| | - Carlo Cisari
- Department of Health Sciences, University of Eastern Piedmont, 28100 Novara, Italy; (L.L.); (C.C.); (M.I.)
| | - Andrea Bernetti
- Department of Anatomy, Histology, Forensic Medicine and Orthopedics, Sapienza University, 00185 Rome, Italy; (F.A.); (M.M.); (S.M.); (A.B.)
| | - Marco Invernizzi
- Department of Health Sciences, University of Eastern Piedmont, 28100 Novara, Italy; (L.L.); (C.C.); (M.I.)
- Infrastruttura Ricerca Formazione Innovazione (IRFI), Azienda Ospedaliera SS. Antonio e Biagio e Cesare Arrigo, 15121 Alessandria, Italy
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Leptin and curcumin affect renal ischemia-reperfusion injury via modulation of P65 and Bax genes expression. UKRAINIAN BIOCHEMICAL JOURNAL 2021. [DOI: 10.15407/ubj93.01.051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Chen T, Zhou R, Chen Y, Fu W, Wei X, Ma G, Hu W, Lu C. Curcumin ameliorates IL-1β-induced apoptosis by activating autophagy and inhibiting the NF-κB signaling pathway in rat primary articular chondrocytes. Cell Biol Int 2021; 45:976-988. [PMID: 33377585 DOI: 10.1002/cbin.11541] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Revised: 12/22/2020] [Accepted: 12/25/2020] [Indexed: 01/25/2023]
Abstract
Articular cartilage damage and chondrocyte apoptosis are common features of rheumatoid arthritis and osteoarthritis. Recently, curcumin has been reported to exhibit protective effects on degeneration in articular cartilage diseases. However, the effects and mechanisms of curcumin on articular chondrocyte injury remain to be elucidated. The aim of the present study is to investigate the chondroprotective mechanisms of curcumin on interleukin-1β (IL-1β)-induced chondrocyte apoptosis in vitro. The results revealed that IL-1β decreased cell viability and induced apoptosis in primary articular chondrocytes. Curcumin pretreatment reduced IL-1β-induced articular chondrocyte apoptosis. In addition, treatment with curcumin increased autophagy in articular chondrocytes and protected against IL-1β-induced apoptosis. The curcumin-mediated protection against IL-1β induced apoptosis was abolished when cells were treated with the autophagy inhibitor 3-methyladenine or transfected with Beclin-1 small interfering RNA. Furthermore, IL-1β stimulation significantly increased the phosphorylation levels of nuclear factor (NF)-κB p65 and glycogen synthase kinase-3β, and decreased the phosphorylation levels of β-catenin in articular chondrocytes, and these alterations to the phosphorylation levels were partly reversed by treatment with curcumin. Dual-luciferase and electrophoretic mobility shift assays demonstrated that IL-1β increased NF-κB p65 promoter activity in chondrocytes, and this was also reversed by curcumin. Pretreatment with the NF-κB inhibitor pyrrolidine dithiocarbamate enhanced the protective effects of curcumin on chondrocyte apoptosis, but Wnt/β-catenin inhibitor, XAV-939, did not exhibit this effect. Molecular docking and dynamic simulation studies results showed that curcumin could bound to RelA (p65) protein. These results indicate that curcumin may suppress IL-1β-induced chondrocyte apoptosis through activating autophagy and restraining NF-κB signaling pathway.
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Affiliation(s)
- Tianyi Chen
- School of Life and Medical Sciences, University of Hertfordshire, Hatfield, UK
| | - Renpeng Zhou
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei, China
| | - Yong Chen
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei, China
| | - Wanjin Fu
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei, China
| | - Xin Wei
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei, China
| | - Ganggang Ma
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei, China
| | - Wei Hu
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei, China
| | - Chao Lu
- Department of Clinical Pharmacology, The Second Hospital of Anhui Medical University, Hefei, China
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