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Wang S, Taledaohan A, Tuohan M, Zhang J, Li Y, Song W, Wang Y, Liang X, Wu Q. Jinmaitong alleviates diabetic neuropathic pain by inhibiting JAK2/STAT3 signaling in microglia of diabetic rats. JOURNAL OF ETHNOPHARMACOLOGY 2024; 333:118442. [PMID: 38852640 DOI: 10.1016/j.jep.2024.118442] [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: 02/29/2024] [Revised: 05/27/2024] [Accepted: 06/05/2024] [Indexed: 06/11/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Jinmaitong (JMT) is a prescription of Traditional Chinese Medicine that is composed of 12 crude drugs. It has been used in the treatment of diabetic neuropathic pain (DNP) for more than 30 years. AIM OF STUDY Microglia are thought to play an important role in neuropathic pain. This study aimed to evaluate the protective effect of JMT against DNP and to investigate the underlying mechanisms in which the microglia and JAK2/STAT3 signaling pathway were mainly involved. MATERIALS AND METHODS The chemical composition of JMT was analyzed using liquid chromatography tandem mass spectrometry. The diabetes model was constructed using 11 to 12-week-old male Zucker diabetic fatty (ZDF) rat (fa/fa). The model rats were divided into 5 groups and were given JMT at three dosages (11.6, 23.2, and 46.4 g/kg, respectively, calculated as the crude drug materials), JAK inhibitor AG490 (positive drug, 10 μg/day), and placebo (deionized water), respectively, for eight weeks (n = 6). Meanwhile, Zucker lean controls (fa/+) were given a placebo (n = 6). Body weight was tested weekly and blood glucose was monitored every 2 weeks. The mechanical allodynia and heat hyperalgesia were assessed using mechanical withdrawal threshold (MWT) and thermal withdrawal latency (TWL) tests. After treatment, the microglia activation marker Iba-1, CD11B, CD68, neuroinflammatory mediators, and mediators of the JAK2/STAT3 signaling pathway were compared between different groups. The mRNA and protein levels of target genes were assessed by quantitative real-time PCR and Western Blot, respectively. RESULTS We found that JMT significantly inhibited the overactivation of microglia in spinal cords, and suppressed neuroinflammation of DNP model rats, thereby ameliorating neurological dysfunction and injuries. Furthermore, these effects of JMT could be attributed to the inhibition of the JAK2/STAT3 signaling pathway. CONCLUSIONS Our findings suggested that JMT effectively ameliorated DNP by modulating microglia activation via inhibition of the JAK2/STAT3 signaling pathway. The present study provided a basis for further research on the therapeutic strategies of DNP.
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Affiliation(s)
- Shuyu Wang
- Department of Traditional Chinese Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China.
| | - Ayijiang Taledaohan
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences of Capital Medical University, Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, Beijing Laboratory of Biomedical Materials, Engineering Research Center of Endogenous Prophylactic of Ministry of Education of China, Beijing, 100069, China.
| | - Maermaer Tuohan
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences of Capital Medical University, Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, Beijing Laboratory of Biomedical Materials, Engineering Research Center of Endogenous Prophylactic of Ministry of Education of China, Beijing, 100069, China.
| | - Jiyi Zhang
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences of Capital Medical University, Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, Beijing Laboratory of Biomedical Materials, Engineering Research Center of Endogenous Prophylactic of Ministry of Education of China, Beijing, 100069, China.
| | - Yaoyang Li
- Department of Traditional Chinese Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China.
| | - Wei Song
- Institute of Clinical Medicine, National Infrastructures for Translational Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China.
| | - Yuji Wang
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences of Capital Medical University, Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, Beijing Laboratory of Biomedical Materials, Engineering Research Center of Endogenous Prophylactic of Ministry of Education of China, Beijing, 100069, China.
| | - Xiaochun Liang
- Department of Traditional Chinese Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China.
| | - Qunli Wu
- Department of Traditional Chinese Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China.
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d'Errico A, Schröpfer M, Mondschein A, Safeer AA, Baldus M, Wösten HAB. Cross-linking impacts the physical properties of mycelium leather alternatives by targeting hydroxyl groups of polysaccharides and amino groups of proteins. Heliyon 2024; 10:e36263. [PMID: 39253274 PMCID: PMC11382184 DOI: 10.1016/j.heliyon.2024.e36263] [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: 04/27/2024] [Revised: 06/29/2024] [Accepted: 08/13/2024] [Indexed: 09/11/2024] Open
Abstract
Cross-linking, also called tanning, improves mechanical properties of leather and also increases its enzymatic and thermal stability. As a final product, leather has an ultimate tensile strength (σ) of 8-25 MPa and an elongation at break (ε) of >30 %. Mycelium-based materials are a sustainable alternative to leather. Here, the effect of cross-linkers was assessed on mechanical properties of Schizophyllum commune mycelium sheets. To this end, glutaraldehyde and N-(3-dimethylaminopropyl)-N'-ethylcarbodiimide (EDC) were used as well as extracts of Ligustrum vulgare leaves, and bark of Acacia mearnsii and Caesalpinia spinosa. Untanned sheets had a σ of 7.8 MPa and an ε of 15.2 %, while the best overall combination of strength and elasticity was obtained with 0.1 % glutaraldehyde with a σ of 11.1 MPa and an ε of 14.6 %. Cross-linking also increased enzymatic stability and reduced mycelial water absorption but did not result in increased thermal stability. Fourier transform infrared spectroscopy (FTIR), 1D nuclear magnetic resonance spectroscopy (NMR), and amino acid analysis showed that glutaraldehyde bound both protein amino groups and polysaccharide hydroxyl groups by forming Schiff bases and acetals, respectively. Together, synthetic and vegetable cross-linkers can be used to obtain mycelium materials with leather-like tensile strength.
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Affiliation(s)
- Antonio d'Errico
- Microbiology, Department of Biology, Utrecht University, Padualaan 8, 3584 CH, Utrecht, the Netherlands
| | - Michaela Schröpfer
- FILK Freiberg Institute gGmbH, Meißner Ring 1-5, D-09599, Freiberg, Germany
| | - Anke Mondschein
- FILK Freiberg Institute gGmbH, Meißner Ring 1-5, D-09599, Freiberg, Germany
| | - Adil A Safeer
- NMR Spectroscopy, Bijvoet Center for Biomolecular Research, Utrecht University, Padualaan 8, 3584 CH, Utrecht, the Netherlands
| | - Marc Baldus
- NMR Spectroscopy, Bijvoet Center for Biomolecular Research, Utrecht University, Padualaan 8, 3584 CH, Utrecht, the Netherlands
| | - Han A B Wösten
- Microbiology, Department of Biology, Utrecht University, Padualaan 8, 3584 CH, Utrecht, the Netherlands
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Nazar A, Adnan M, Shah SM, Bari A, Ullah R, Tariq A, Ahmad N. Ethnobotanical assessment of antidiabetic medicinal plants in District Karak, Pakistan. BMC Complement Med Ther 2024; 24:173. [PMID: 38658923 PMCID: PMC11040872 DOI: 10.1186/s12906-024-04462-w] [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: 11/10/2023] [Accepted: 03/28/2024] [Indexed: 04/26/2024] Open
Abstract
BACKGROUND Diabetes is a leading health disorder and is responsible for high mortality rates across the globe. Multiple treatment protocols are being applied to overcome this morbidity and mortality including plant-based traditional medicines. This study was designed to investigate the ethnomedicinal status of plant species used to treat diabetes in District Karak, Pakistan. MATERIALS AND METHODS A semi-structured survey was created to collect data about traditionally used medicinal plants for diabetes and other ailments. The convenience sampling method was applied for the selection of informants. The collected data was evaluated through quantitative tools like frequency of citation (FC), relative frequency of citation (RFC), informant consensus factor (FIC), fidelity level (FL), and use value (UV). RESULTS A total of 346 local informants were selected for this research. Out of them, 135 participants were men and 211 participants were women. Overall 38 plant species belonging to 29 plant families were used to treat diabetes. The most dominant plant family was Oleaceae having 11 species. Powder form (19%) was the most recommended mode of preparation for plant-based ethnomedicines. Leaves (68%) were the most frequently used parts followed by fruit (47%). The highest RFC was recorded for Apteranthes tuberculata (0.147). The maximum FL was reported for Apteranthes tuberculata (94.4) and Zygophyllum indicum (94.11) for diabetes, skin, and wounds. Similarly, the highest UV of (1) each was found for Brassica rapa, Melia azedarach, and Calotropis procera. Based on documented data, the reported ailments were grouped into 7 categories. The ICF values range between 0.89 (diabetes) to 0.33 (Cardiovascular disorders). CONCLUSION The study includes a variety of antidiabetic medicinal plants, which are used by the locals in various herbal preparations. The species Apteranthes tuberculata has been reported to be the most frequently used medicinal plant against diabetes. Therefore, it is recommended that such plants be further investigated in-vitro and in-vivo to determine their anti-diabetic effects.
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Affiliation(s)
- Amina Nazar
- Department of Botany, Kohat University of Science and Technology, Kohat, 26000, Pakistan
| | - Muhammad Adnan
- Department of Botany, Kohat University of Science and Technology, Kohat, 26000, Pakistan.
| | - Syed Majid Shah
- Department of Pharmacy, Kohat University of Science and Technology, Kohat, 26000, Pakistan
| | - Ahmed Bari
- Department of Pharmaceutical Chemistry, College of Pharmacy King Saud University, Riyadh, Saudi Arabia
| | - Riaz Ullah
- Department of Pharmacognosy, College of Pharmacy King Saud University, Riyadh, Saudi Arabia
| | - Akash Tariq
- Xinjiang Key Laboratory of Desert Plant Roots Ecology and Vegetation Restoration, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, 830011, China
| | - Nisar Ahmad
- Department of Botany, Kohat University of Science and Technology, Kohat, 26000, Pakistan
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Litewski S, Koss-Mikołajczyk I, Kusznierewicz B. Comparative Analysis of Phytochemical Profiles and Selected Biological Activities of Various Morphological Parts of Ligustrum vulgare. Molecules 2024; 29:399. [PMID: 38257312 PMCID: PMC10819685 DOI: 10.3390/molecules29020399] [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: 11/30/2023] [Revised: 01/06/2024] [Accepted: 01/11/2024] [Indexed: 01/24/2024] Open
Abstract
Ligustrum vulgare (LV), widely cultivated in Europe and often used in hedges, has been historically recognized in folk medicine for its potential health benefits. This study focused on exploring the untargeted identification of secondary metabolites in ethanol extracts (70% v/v) from different morphological parts (young shoots, leaves, flowers and fruits) of LV at various stages of plant development, using ultra-high-performance liquid chromatography with high-resolution mass spectrometry (UHPLC-HRMS). Additionally, the selected biological activities (antioxidant activity, cyclooxygenase-2 inhibition (COX-2), α-amylase inhibition and cytotoxicity) of the tested extracts were determined. Untargeted metabolomics showed that LV extracts were a rich source of phenylethanoid compounds, flavonoids, iridoids and their derivatives. The flowers of LV had the highest content of oleuropein (33.43 ± 2.48 mg/g d.w.). The lowest antioxidant activity was obtained for ripe and post-seasonal fruits, while in the case of other samples, the activity was at a similar level. All tested extracts showed α-amylase and COX-2 inhibitory activity. In addition, LV extracts showed strong antiproliferative properties in colorectal (HT29) and liver (HepG2) cancer cell lines. The obtained results show the difference in the content of bioactive compounds in various morphological parts of Ligustrum vulgare. These differences may influence the multifaceted medicinal potential of this plant.
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Affiliation(s)
| | | | - Barbara Kusznierewicz
- Department of Chemistry, Technology and Biotechnology of Food, Faculty of Chemistry, Gdańsk University of Technology, 11/12 Narutowicza St., 80-233 Gdańsk, Poland; (S.L.); (I.K.-M.)
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Donn P, Barciela P, Perez-Vazquez A, Cassani L, Simal-Gandara J, Prieto MA. Bioactive Compounds of Verbascum sinuatum L.: Health Benefits and Potential as New Ingredients for Industrial Applications. Biomolecules 2023; 13:biom13030427. [PMID: 36979363 PMCID: PMC10046334 DOI: 10.3390/biom13030427] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/07/2023] [Accepted: 02/14/2023] [Indexed: 03/02/2023] Open
Abstract
Verbascum sinuatum (V. sinuatum) is a plant belonging to the Scrophulariaceae family that has been used as an ingredient in traditional medicine infusions for the treatment of many diseases. The aerial part of this plant is a source of bioactive compounds, especially polyphenols and iridoids. Moreover, antioxidant activity studies have shown that V. sinuatum phenolic and flavonoid composition is higher than those in other plants of the same genus. V. sinuatum bioactive compound composition could vary according to the harvesting location, growing conditions of the plants, sample preparation methods, type and concentration of the extraction solvent, and the extraction methods. The obtention of these compounds can be achieved by different extraction techniques, most commonly, maceration, heat assisted extraction, and infusion. Nevertheless, since conventional extraction techniques have several drawbacks such as long times of extraction or use of large amounts of solvents, the use of green extraction techniques is suggested, without affecting the efficiency of the extraction. Moreover, V. sinuatum bioactive compounds have several biological activities, such as antioxidant, anticancer, cardiovascular, antimicrobial, antidiabetic, and neuroprotective activities, that may be increased by encapsulation. Since the bioactive compounds extracted from V. sinuatum present good potential as functional food ingredients and in the development of drugs or cosmetics, this review gives an approach of the possible incorporation of these compounds in the food and pharmacological industries.
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Affiliation(s)
- Pauline Donn
- Faculty of Science, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Universidade de Vigo, E32004 Ourense, Spain
| | - Paula Barciela
- Faculty of Science, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Universidade de Vigo, E32004 Ourense, Spain
| | - Ana Perez-Vazquez
- Faculty of Science, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Universidade de Vigo, E32004 Ourense, Spain
| | - Lucia Cassani
- Faculty of Science, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Universidade de Vigo, E32004 Ourense, Spain
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - Jesus Simal-Gandara
- Faculty of Science, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Universidade de Vigo, E32004 Ourense, Spain
| | - Miguel A. Prieto
- Faculty of Science, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Universidade de Vigo, E32004 Ourense, Spain
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
- Correspondence:
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Yang J, Wei Y, Zhao T, Li X, Zhao X, Ouyang X, Zhou L, Zhan X, Qian M, Wang J, Shen X. Magnolol effectively ameliorates diabetic peripheral neuropathy in mice. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 107:154434. [PMID: 36122436 DOI: 10.1016/j.phymed.2022.154434] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 07/25/2022] [Accepted: 09/02/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Diabetic peripheral neuropathy (DPN) is a common complication of diabetes lacking efficient treatment. Magnolol (MG), a peroxisome proliferator-activated receptor γ (PPARγ) agonist, is a natural product derived from Magnolia officinalis and widely used to treat a variety of diseases as a traditional Chinese medicine and Japanese Kampo medicine. PURPOSE Here, we aimed to investigate the potential of MG in ameliorating DPN-like pathology in mice and decipher the mechanism of MG in treating DPN. MATERIALS AND METHODS 12-week-old male streptozotocin (STZ)-induced type 1 diabetic (T1DM) mice and 15-week-old male BKS Cg-m+/+Lepr db/J (db/db) type 2 diabetic mice (T2DM) were used as DPN mice. MG was administrated (i.p) daily for 4 weeks. Peripheral nerve functions of mice were evaluated by measuring mechanical response latency, thermal response latency and motor nerve conduction velocity (MNCV). The mechanisms underlying the amelioration of MG on DPN-like pathology were examined by qRT-PCR, western blot and immunohistochemistry assays, and verified in the DPN mice with PPARγ-specific knockdown in dorsal root ganglia (DRG) neuron and sciatic nerve tissues by injecting adeno-associated virus (AAV)8-PPARγ-RNAi. RESULTS MG promoted DRG neuronal neurite outgrowth and effectively ameliorated neurological dysfunctions in both T1DM and T2DM diabetic mice, including improvement of paw withdrawal threshold, thermal response latency and MNCV. Additionally, MG promoted neurite outgrowth of DRG neurons, protected sciatic nerve myelin sheath structure, and ameliorated foot skin intraepidermal nerve fiber (IENF) density in DPN mice by targeting PPARγ. Mechanism research results indicated that MG improved mitochondrial dysfunction involving PPARγ/MKP-7/JNK/SIRT1/LKB1/AMPK/PGC-1α pathway in DRG neurons, repressed inflammation via PPARγ/NF-κB signaling and inhibited apoptosis through regulation of PPARγ-mediated Bcl-2 family proteins in DRG neurons and sciatic nerves. CONCLUSIONS Our work has detailed the mechanism underlying the amelioration of PPARγ agonist on DPN-like pathology in mice with MG as a probe, and highlighted the potential of MG in the treatment of DPN.
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Affiliation(s)
- Juanzhen Yang
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, 138 Xianlin Avenue, Qixia, Nanjing 210023, China
| | - Yuxi Wei
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, 138 Xianlin Avenue, Qixia, Nanjing 210023, China
| | - Tong Zhao
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, 138 Xianlin Avenue, Qixia, Nanjing 210023, China
| | - Xiaoqian Li
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, 138 Xianlin Avenue, Qixia, Nanjing 210023, China
| | - Xuejian Zhao
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, 138 Xianlin Avenue, Qixia, Nanjing 210023, China
| | - Xingnan Ouyang
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, 138 Xianlin Avenue, Qixia, Nanjing 210023, China
| | - Lihua Zhou
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, 138 Xianlin Avenue, Qixia, Nanjing 210023, China
| | - Xiuqin Zhan
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, 138 Xianlin Avenue, Qixia, Nanjing 210023, China
| | - Minyi Qian
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, 138 Xianlin Avenue, Qixia, Nanjing 210023, China.
| | - Jiaying Wang
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, 138 Xianlin Avenue, Qixia, Nanjing 210023, China.
| | - Xu Shen
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, 138 Xianlin Avenue, Qixia, Nanjing 210023, China.
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Rehmanniae Radix Preparata (RRP) improves pain sensitization and suppresses PI3K/Akt/TRPV1 signaling pathway in estrogen deficient rats. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Xiao Y, Ren Q, Wu L. The pharmacokinetic property and pharmacological activity of acteoside: A review. Biomed Pharmacother 2022; 153:113296. [PMID: 35724511 PMCID: PMC9212779 DOI: 10.1016/j.biopha.2022.113296] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/06/2022] [Accepted: 06/13/2022] [Indexed: 11/09/2022] Open
Abstract
Acteoside (AC), a phenylpropanoid glycoside isolated from many dicotyledonous plants, has been demonstrated various pharmacological activities, including anti-oxidation, anti-inflammation, anti-cancer, neuroprotection, cardiovascular protection, anti-diabetes, bone and cartilage protection, hepatoprotection, and anti-microorganism. However, AC has a poor bioavailability, which can be potentially improved by different strategies. The health-promoting characteristics of AC can be attributed to its mediation in many signaling pathways, such as MAPK, NF-κB, PI3K/AKT, TGFβ/Smad, and AMPK/mTOR. Interestingly, docking simulation study indicates that AC can be an effective candidate to inhibit the activity of SARS-CoV2 main protease and protect against COVID-19. Many clinical trials for AC have been investigated, and it shows great potentials in drug development.
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Affiliation(s)
- Yaosheng Xiao
- Department of Orthopaetics, First Affiliated Hospital of Gannan Medical University, Ganzhou 341000, China
| | - Qun Ren
- College of Pharmacy, Gannan Medical University, Ganzhou 341000, China
| | - Longhuo Wu
- College of Pharmacy, Gannan Medical University, Ganzhou 341000, China.
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Novoselova EG, Glushkova OV, Khrenov MO, Lunin SM, Novoselova TV, Parfenuyk SB. Role of Innate Immunity and Oxidative Stress in the Development of Type 1 Diabetes Mellitus. Peroxiredoxin 6 as a New Anti-Diabetic Agent. BIOCHEMISTRY. BIOKHIMIIA 2021; 86:1579-1589. [PMID: 34937537 DOI: 10.1134/s0006297921120075] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The review discusses information on the development of type 1 diabetes mellitus (T1D) as a systemic autoimmune and inflammatory disease. Focus of the review is on the role of innate immune system, including activation of some signaling cascades, cytokine response, and activity of the Toll-like receptors in the development of T1D. Dysfunction of innate immunity is the cause of the attack of pancreatic beta cells by the host T-lymphocytes, which leads to the death of pancreatic beta cells that produce insulin. Lack of insulin causes hyperglycemia and the need for lifelong injections of insulin in patients with T1D, which, nevertheless, does not exclude damage to many organs and tissues, given particular vulnerability of the blood vessels under conditions of hyperglycemia. The review discusses the role of oxidative stress as a factor that plays a major role in damage of vascular system and pancreatic tissue during the development of T1D. Considering high sensitivity of pancreatic beta cells to the action of reactive oxygen species (ROS), the possibility of using antioxidants for reducing the level of pathological consequences in the course of T1D development is discussed. New information on anti-diabetic activity of the exogenous antioxidant enzyme peroxiredoxin 6, which is capable of penetrating cells, activating insulin production in beta cells, reducing ROS levels, as well as decreasing activation of some signaling cascades, production of pro-inflammatory cytokines, and expression of Toll-like receptors in beta cells and in immune cells during T1D development is discussed.
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Affiliation(s)
- Elena G Novoselova
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia.
| | - Olga V Glushkova
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - Maxim O Khrenov
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - Sergey M Lunin
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - Tatyana V Novoselova
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - Svetlana B Parfenuyk
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
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Zhang X, Xu L, Chen W, Yu X, Shen L, Huang Y. Pyridoxamine alleviates mechanical allodynia by suppressing the spinal receptor for advanced glycation end product-nuclear factor- κB/extracellular signal-regulated kinase signaling pathway in diabetic rats. Mol Pain 2021; 16:1744806920917251. [PMID: 32252594 PMCID: PMC7139183 DOI: 10.1177/1744806920917251] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Diabetic neuropathic pain is a common complication of diabetes mellitus and
requires a substantial amount of societal resources. Pyridoxamine is an
inhibitor of advanced glycation and lipoxidation end products. Several animal
and clinical studies have confirmed that pyridoxamine can inhibit a range of
pathological changes in diabetes-induced organ injury and alleviate certain
kinds of neuropathic pain. However, no studies have attempted to explore the
effects of pyridoxamine on diabetic neuropathic pain. We conducted animal
experiments to examine whether pyridoxamine could alleviate diabetic neuropathic
pain and to explore the mechanism underlying these effects. Adult male Sprague
Dawley rats were randomly assigned to the normal + sterile water group,
diabetic + sterile water group, diabetic + pyridoxamine100 group,
diabetic +pyridoxamine200 group,
diabetic + pyridoxamine400 group, or normal + pyridoxamine group.
The rats in the diabetic +pyridoxamine100,
diabetic + pyridoxamine200,
diabetic + pyridoxamine400, and normal + pyridoxamine groups received
pyridoxamine at dosages of 100 mg/kg/day, 200 mg/kg/day, 400 mg/kg/day, and
400 mg/kg/day, respectively, via intragastric administration. The rats in the
other groups received water daily. Pyridoxamine alleviated diabetic neuropathic
pain at least partially by suppressing the activity of the spinal receptor for
advanced glycation end products-nuclear factor-κB/extracellular signal-regulated
kinase signaling pathway; additionally, pyridoxamine decreased advanced
glycation end product-modified low-density lipoprotein, oxidized low-density
lipoprotein, and interleukin-1β levels in the serum. The immunofluorescence
staining results revealed that most phosphorylated nuclear factor-κB was
localized to neuronal cells and not to microglia or astrocytes; this pattern may
be associated with the upregulated expression of pain-related proteins. The
abovementioned results indicate that pyridoxamine is a promising choice for the
clinical treatment of diabetic neuropathic pain. Further investigations need to
be carried out to confirm the benefits of pyridoxamine.
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Affiliation(s)
- Xin Zhang
- Department of Anesthesiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, China.,Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, China
| | - Li Xu
- Department of Anesthesiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, China
| | - Weiyun Chen
- Department of Anesthesiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, China
| | - Xuerong Yu
- Department of Anesthesiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, China
| | - Le Shen
- Department of Anesthesiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, China
| | - Yuguang Huang
- Department of Anesthesiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, China
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Chen H, Ma D, Zhang H, Tang Y, Wang J, Li R, Wen W, Zhang Y. Antinociceptive effects of oleuropein in experimental models of neuropathic pain in male rats. Korean J Pain 2021; 34:35-46. [PMID: 33380566 PMCID: PMC7783854 DOI: 10.3344/kjp.2021.34.1.35] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 11/16/2020] [Accepted: 11/17/2020] [Indexed: 12/30/2022] Open
Abstract
Background The present investigation explored the therapeutic actions of oleuropein along with the possible signaling pathway involved in attenuating neuropathic pain in chronic constriction injury (CCI) and vincristine-induced neuropathic pain in male rats. Methods Four loose ligatures were placed around the sciatic nerve to induce CCI, and vincristine (50 μg/kg) was injected for 10 days to develop neuropathic pain. The development of cold allodynia, mechanical allodynia, and mechanical hyperalgesia was assessed using different pain-related behavioral tests. The levels of H2S, cystathionine-γ-lyase (CSE), cystathionine-β-synthase (CBS), orexin, and nuclear factor erythroid-2-related factor 2 (Nrf2) were measured in the sciatic nerve. Results Treatment with oleuropein for 14 days led to significant amelioration of behavioral manifestations of neuropathic pain in two pain models. Moreover, oleuropein restored both CCI and vincristine-induced decreases in H2S, CSE, CBS, orexin, and Nrf2 levels. Co-administration of suvorexant, an orexin receptor antagonist, significantly counteracted the pain-attenuating actions of oleuropein and Nrf2 levels without modulating H2S, CSE and CBS. Conclusions Oleuropein has therapeutic potential to attenuate the pain manifestations in CCI and vincristine-induced neuropathic pain, possibly by restoring the CSE, CBS, and H2S, which may subsequently increase the expression of orexin and Nrf2 to ameliorate behavioral manifestations of pain.
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Affiliation(s)
- Huayong Chen
- Department of Anesthesiology, Yidu Central Hospital of Weifang, Weifang, Shandong, China
| | - Dandan Ma
- Department of Anesthesiology, Yidu Central Hospital of Weifang, Weifang, Shandong, China
| | - Huapeng Zhang
- Department of Anesthesiology, Yidu Central Hospital of Weifang, Weifang, Shandong, China
| | - Yanhong Tang
- Department of Anesthesiology, Hospital T.C.M Affiliated to Southwest Medical University, Luzhou, Sichuan, China
| | - Jun Wang
- Orbital Disease and Ophthalmoplasty, Department of Ophthalmological Hospital, The Second Hospital of Jilin, Changchun, Jilin, China
| | - Renhu Li
- Department of Anesthesiology, The Lu'an Affiliated Hospital of Anhui Medical University, Lu'an, Anhui Province, China
| | - Wen Wen
- Department of Anesthesiology, Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, China
| | - Yi Zhang
- Department of Anesthesiology, Tongji Hospital Affiliated Tongji Medical College, Huazhong Science and Technology University, Wuhan, Hubei, China
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12
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Dai CQ, Guo Y, Chu XY. Neuropathic Pain: the Dysfunction of Drp1, Mitochondria, and ROS Homeostasis. Neurotox Res 2020; 38:553-563. [PMID: 32696439 DOI: 10.1007/s12640-020-00257-2] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 07/09/2020] [Accepted: 07/13/2020] [Indexed: 12/17/2022]
Abstract
Neuropathic pain affects the physical and mental health status of patients. Due to its complex pathogenesis and the adverse reactions to medicines, its treatment remains challenging. Among all the etiologies, increasing evidence has pointed to mitochondrial dysfunction. Dynamin-related protein 1 (Drp1)-mediated mitochondrial fragmentation leads to excess ROS generation, which is implicated in the pathogenesis of neuropathic pain. However, the exact mechanism remains unclear. Studies aiming to clarify the possible pathway and relationship between Drp1, mitochondria, ROS, and neuropathic pain may identify a good treatment for neuropathic pain in the clinic. As shown in this review, dysfunction of Drp1 and ROS homeostasis plays essential roles in neuropathic pain. We summarized a Drp1-mitochondrial fission-ROS cycle that potentially functions in neuropathic pain and is regulated by posttranslational modifications and Ca2+. Additionally, we further enumerated six Drp1 inhibitors, including Mdivi-1, P110, Drp1 antisense oligodeoxynucleotides, hyperbaric oxygen, melatonin, and β-hydroxybutyrate, as potential treatments, with the aim of providing guidance for novel molecules to be used in the clinic.
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Affiliation(s)
- Chun-Qiu Dai
- Third Medical District, Lintong Rehabilitation and Convalescent Centre, Xi'an, 710600, People's Republic of China
| | - Yu Guo
- Third Medical District, Lintong Rehabilitation and Convalescent Centre, Xi'an, 710600, People's Republic of China
| | - Xue-Yan Chu
- Third Medical District, Lintong Rehabilitation and Convalescent Centre, Xi'an, 710600, People's Republic of China.
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13
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Shoaib A, Siddiqui HH, Dixit RK, Siddiqui S, Deen B, Khan A, Alrokayan SH, Khan HA, Ahmad P. Neuroprotective Effects of Dried Tubers of Aconitum napellus. PLANTS (BASEL, SWITZERLAND) 2020; 9:plants9030356. [PMID: 32168878 PMCID: PMC7154901 DOI: 10.3390/plants9030356] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Revised: 02/15/2020] [Accepted: 02/18/2020] [Indexed: 02/07/2023]
Abstract
The present study was designed to explore the neuroprotective properties of Aconitum napellus (Ranunculaceae). The plant detoxification was done using either water, or cow or goat milk as per the Ayurvedic shodhana method. The evaluation of the neuroprotective role of A. napellus was performed on diabetic neuropathy induced by streptozotocin in Sprague Dawley (SD) rats. Body mass, blood sugar level, oral glucose tolerance test, hyperalgesia, cold allodynia, motor co-ordination test, and locomotor activity, oxidative biomarkers (TBARS, reduced glutathione, catalase and superoxide dismutase) and sciatic nerve histomorphology were assessed. The in vitro studies were done on human neuroblastoma cell line SHSY-5Y and used an MTT assay to assess the antiproliferative activity of different extracts. Results suggest that the goat milk treated chloroform extract has less percentage of aconitine. After administration of the detoxified chloroform extract to the diabetic animals, there was a significant improvement in the myelination and degenerative changes of the nerve fibers along with behavioral changes (p < 0.05 as compared with diabetic control group). The findings of the in vitro research show an effective neuroprotective role of A. napellus. This suggests that A. napellus should be further investigated for its effect in diabetic pathology.
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Affiliation(s)
- Ambreen Shoaib
- Department of Clinical Pharmacy, Faculty of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia;
- Department of Pharmacology, Faculty of Pharmacy, Integral University, Lucknow 226026, India;
| | | | - Rakesh Kumar Dixit
- Department of Pharmacology, King George Medical University, Lucknow, Uttar Pradesh 226003, India;
| | - Sahabjada Siddiqui
- Department of Biotechnology, Era’s Lucknow Medical College & Hospital, Era University, Lucknow 226003, India;
| | - Badrud Deen
- Department of Pharmacology, Faculty of Pharmacy, Integral University, Lucknow 226026, India;
- Correspondence: (B.D.); (P.A.); Tel.: +91-0522-2890730 (P.A.)
| | - Andleeb Khan
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia;
| | - Salman H. Alrokayan
- Department of Biochemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.H.A.); (H.A.K.)
| | - Haseeb A. Khan
- Department of Biochemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.H.A.); (H.A.K.)
| | - Parvaiz Ahmad
- Botany and Microbiology Department, College of Science, King Saudi University, Riyadh 11451, Saudi Arabia
- Correspondence: (B.D.); (P.A.); Tel.: +91-0522-2890730 (P.A.)
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14
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Novoselova EG, Glushkova OV, Lunin SM, Khrenov MO, Parfenyuk SB, Novoselova TV, Sharapov MG, Novoselov VI, Fesenko EE. Peroxiredoxin 6 Attenuates Alloxan-Induced Type 1 Diabetes Mellitus in Mice and Cytokine-Induced Cytotoxicity in RIN-m5F Beta Cells. J Diabetes Res 2020; 2020:7523892. [PMID: 32908936 PMCID: PMC7474389 DOI: 10.1155/2020/7523892] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 05/01/2020] [Accepted: 08/17/2020] [Indexed: 11/17/2022] Open
Abstract
Type 1 diabetes is associated with the destruction of pancreatic beta cells, which is mediated via an autoimmune mechanism and consequent inflammatory processes. In this article, we describe a beneficial effect of peroxiredoxin 6 (PRDX6) in a type 1 diabetes mouse model. The main idea of this study was based on the well-known data that oxidative stress plays an important role in pathogenesis of diabetes and its associated complications. We hypothesised that PRDX6, which is well known for its various biological functions, including antioxidant activity, may provide an antidiabetic effect. It was shown that PRDX6 prevented hyperglycemia, lowered the mortality rate, restored the plasma cytokine profile, reversed the splenic cell apoptosis, and reduced the β cell destruction in Langerhans islets in mice with a severe form of alloxan-induced diabetes. In addition, PRDX6 protected rat insulinoma RIN-m5F β cells, cultured with TNF-α and IL-1β, against the cytokine-induced cytotoxicity and reduced the apoptotic cell death and production of ROS. Signal transduction studies showed that PRDX6 prevented the activation of NF-κB and c-Jun N-terminal kinase signaling cascades in RIN-m5F β cells cultured with cytokines. In conclusion, there is a prospect for therapeutic application of PRDX6 to delay or even prevent β cell apoptosis in type 1 diabetes.
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Affiliation(s)
- Elena G. Novoselova
- Institute of Cell Biophysics of the Russian Academy of Sciences, PSCBR RAS, Institutskaya Str. 3, 142290 Pushchino, Moscow Region, Russia
| | - Olga V. Glushkova
- Institute of Cell Biophysics of the Russian Academy of Sciences, PSCBR RAS, Institutskaya Str. 3, 142290 Pushchino, Moscow Region, Russia
| | - Sergey M. Lunin
- Institute of Cell Biophysics of the Russian Academy of Sciences, PSCBR RAS, Institutskaya Str. 3, 142290 Pushchino, Moscow Region, Russia
| | - Maxim O. Khrenov
- Institute of Cell Biophysics of the Russian Academy of Sciences, PSCBR RAS, Institutskaya Str. 3, 142290 Pushchino, Moscow Region, Russia
| | - Svetlana B. Parfenyuk
- Institute of Cell Biophysics of the Russian Academy of Sciences, PSCBR RAS, Institutskaya Str. 3, 142290 Pushchino, Moscow Region, Russia
| | - Tatyana V. Novoselova
- Institute of Cell Biophysics of the Russian Academy of Sciences, PSCBR RAS, Institutskaya Str. 3, 142290 Pushchino, Moscow Region, Russia
| | - Mars G. Sharapov
- Institute of Cell Biophysics of the Russian Academy of Sciences, PSCBR RAS, Institutskaya Str. 3, 142290 Pushchino, Moscow Region, Russia
| | - Vladimir I. Novoselov
- Institute of Cell Biophysics of the Russian Academy of Sciences, PSCBR RAS, Institutskaya Str. 3, 142290 Pushchino, Moscow Region, Russia
| | - Evgeny E. Fesenko
- Institute of Cell Biophysics of the Russian Academy of Sciences, PSCBR RAS, Institutskaya Str. 3, 142290 Pushchino, Moscow Region, Russia
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15
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Raafat K, Aboul-Ela M, El-Lakany A. Phytochemical and anti-neuropathic investigations of Crocus sativus via alleviating inflammation, oxidative stress and pancreatic beta-cells regeneration. CHINESE HERBAL MEDICINES 2020; 12:47-55. [PMID: 36117567 PMCID: PMC9476750 DOI: 10.1016/j.chmed.2019.07.004] [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: 03/06/2019] [Revised: 07/07/2019] [Accepted: 07/17/2019] [Indexed: 11/21/2022] Open
Abstract
Objective The aim of this study is to investigate the phytochemical and the long-term anti-neuropathic potentials of Crocus sativus cultivated in the University botanical garden, and explore its most bioactive compounds and their underlying mechanisms of action. Methods Phytochemical analysis and bio-guided isolation-procedures including RP-HPLC and 1H and 13C NMR utilizing biological models of diabetes, inflammation, and diabetic-neuropathy were used. Cultivated saffron (S-RCED) and Spanish-saffron stigma (S-SP) alone or in combination with Camellia sinus (CS) were investigated. Results The RP-HPLC analyses showed the presence of picrocrocin, crocin I, crocin II, crocin I’, crocin II’, and safranal (SAF) in both S-SP and S-RCED extracts with higher-concentrations. It had been shown that SAF was the most bioactive-compound in Crocus sativus. Both S-SP and S-RCED possessed significant (P < 0.05) anti-diabetic activities in acute (6 h), subchronic (8 d) and chronic (8 weeks) models. S-RCED had been proven with more hypoglycemic potentials when compared to S-SP and SAF. S-SP, S-RCED, and SAF produced significant anti-inflammatory and anti-nociceptive activities against carrageenan-induced inflammatory, hyperalgesic and tactile diabetic-neuropathy models, respectively. S-SP, S-RCED, and SAF elevated serum catalase, reduced glutathione, and insulin serum levels, ameliorated lipid peroxidation and HbA1c levels, and histopathologically regenerated the pancreatic beta-cells. Combinations with CS showed more significant efficacy than the single component. Conclusion The oxidative stress reduction, insulin secretagogue, and pancreatic beta-cells regeneration potentials might be responsible for the mechanism underlying the anti-diabetic, anti-inflammatory and anti-diabetic neuropathy activities. Thus, the cultivated Crocus sativus might be clinically useful for protecting against many serious-disorders.
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16
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Öztürk Y, Öztürk N. Plant- and Nutraceutical-based Approach for the Management of Diabetes and its Neurological Complications: A Narrative Review. Curr Pharm Des 2019; 25:3536-3549. [PMID: 31612820 DOI: 10.2174/1381612825666191014165633] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Accepted: 10/08/2019] [Indexed: 02/08/2023]
Abstract
Diabetes is an important metabolic disease affecting many organs and systems in the body. The nervous system is one of the body systems affected by diabetes and neuropathic complications are troublesome in diabetic patients with many consequences. As diabetes has deleterious influences almost on bodily systems, an integrative approach seems to be necessary accepting the body as a whole and integrating body systems with lifestyle and living environment. Like some traditional health systems such as Ayurveda, integrative approach includes additional modalities to overcome both diabetes and diabetic complications. In general, these modalities consist of nutraceuticals and plant products. Prebiotics and probiotics are two types of nutraceuticals having active ingredients, such as antioxidants, nutrient factors, microorganisms, etc. Many plants are indicated for the cure of diabetes. All of these may be employed in the prevention and in the non-pharmacological management of mildto- moderate diabetes. Severe diabetes should require appropriate drug selection. Being complementary, prebiotics, probiotics, plants and exercise may be additive for the drug therapy of diabetes. Similarly, there are complementary approaches to prevent and cure neurological and/or behavioral manifestations of diabetes, which may be included in therapy and prevention plans. A scheme is given for the prevention and therapy of comorbid depression, which is one of the most common behavioral complications of diabetes. Within this scheme, the main criterion for the selection of modalities is the severity of diseases, so that personalized management may be developed for diabetic patients using prebiotics and probiotics in their diets, plants and drugs avoiding possible interactions.
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Affiliation(s)
- Yusuf Öztürk
- Department of Pharmacology, Faculty of Pharmacy, Anadolu University, Tepebasi 26120, Eskisehir, Turkey
| | - Nilgün Öztürk
- Department of Pharmacognosy, Faculty of Pharmacy, Anadolu University, 26120, Tepebasi, Eskisehir, Turkey
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17
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Lozano-Castellón J, López-Yerena A, Rinaldi de Alvarenga JF, Romero Del Castillo-Alba J, Vallverdú-Queralt A, Escribano-Ferrer E, Lamuela-Raventós RM. Health-promoting properties of oleocanthal and oleacein: Two secoiridoids from extra-virgin olive oil. Crit Rev Food Sci Nutr 2019; 60:2532-2548. [PMID: 31423808 DOI: 10.1080/10408398.2019.1650715] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Extra virgin olive oil (EVOO) polyphenols, including the secoiridoids oleocanthal (OLC) and oleacein (OLE), are attracting attention because of their beneficial effects on health. Data on OLC and OLE bioavailability are scarce, as most research on EVOO polyphenols has concentrated on hydroxytyrosol, tyrosol, and oleuropein. Consequently, relevant goals for future research are the elucidation of OLC and OLE bioavailability and finding evidence for their beneficial effects through pre-clinical and clinical studies. The aim of this review is to shed light on OLC and OLE, focusing on their precursors in the olive fruit and the impact of agronomic and processing factors on their presence in EVOO. Also discussed are their bioavailability and absorption, and finally, their bioactivity and health-promoting properties.
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Affiliation(s)
- Julián Lozano-Castellón
- Nutrition, Food Science and Gastronomy Department, XaRTA, Institute of Nutrition and Food Safety (INSA-UB), School of Pharmacy and Food Sciences, University of Barcelona, Barcelona, Spain.,CIBER Physiopathology of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III, Madrid, Spain
| | - Anallely López-Yerena
- Nutrition, Food Science and Gastronomy Department, XaRTA, Institute of Nutrition and Food Safety (INSA-UB), School of Pharmacy and Food Sciences, University of Barcelona, Barcelona, Spain
| | - José Fernando Rinaldi de Alvarenga
- Nutrition, Food Science and Gastronomy Department, XaRTA, Institute of Nutrition and Food Safety (INSA-UB), School of Pharmacy and Food Sciences, University of Barcelona, Barcelona, Spain
| | - Jaume Romero Del Castillo-Alba
- Nutrition, Food Science and Gastronomy Department, XaRTA, Institute of Nutrition and Food Safety (INSA-UB), School of Pharmacy and Food Sciences, University of Barcelona, Barcelona, Spain
| | - Anna Vallverdú-Queralt
- Nutrition, Food Science and Gastronomy Department, XaRTA, Institute of Nutrition and Food Safety (INSA-UB), School of Pharmacy and Food Sciences, University of Barcelona, Barcelona, Spain.,CIBER Physiopathology of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III, Madrid, Spain
| | - Elvira Escribano-Ferrer
- CIBER Physiopathology of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III, Madrid, Spain.,Department of Pharmacy and Pharmaceutical Technology and Physical Chemistry, Biopharmaceutics and Pharmacokinetics Unit, Institute of Nanoscience and Nanotechnology (IN2UB), Pharmacy and Food Sciences School, University of Barcelona, Barcelona, Spain
| | - Rosa M Lamuela-Raventós
- Nutrition, Food Science and Gastronomy Department, XaRTA, Institute of Nutrition and Food Safety (INSA-UB), School of Pharmacy and Food Sciences, University of Barcelona, Barcelona, Spain.,CIBER Physiopathology of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III, Madrid, Spain
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18
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Novoselova EG, Glushkova OV, Parfenuyk SB, Khrenov MO, Lunin SM, Novoselova TV, Sharapov MG, Shaev IA, Novoselov VI. Protective Effect of Peroxiredoxin 6 Against Toxic Effects of Glucose and Cytokines in Pancreatic RIN-m5F β-Cells. BIOCHEMISTRY (MOSCOW) 2019; 84:637-643. [PMID: 31238863 DOI: 10.1134/s0006297919060063] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Taking into account a special role of pancreatic β-cells in the development of diabetes mellitus, the effects of peroxiredoxin 6 (Prx6) on the viability and functional activity of rat insulinoma RIN-m5F β-cells were studied under diabetes-simulating conditions. For this purpose, the cells were cultured at elevated glucose concentrations or in the presence of pro-inflammatory cytokines (TNF-α and IL-1) known for their special role in the cytotoxic autoimmune response in diabetes. It was found that the increased glucose concentration of 23-43 mM caused death of 20-60% β-cells. Prx6 added to cells significantly reduced the level of reactive oxygen species and protected the RIN-m5F β-cells from hyperglycemia, reducing the death of these cells by several fold. A measurement of insulin secretion by the RIN-m5F β-cells showed a significant stimulatory effect of Prx6 on the insulin-producing activity of pancreatic β-cells. It should be noted that the stimulatory activity of Prx6 was detected during culturing the cells under both normal and unfavorable conditions. The regulation of the NF-κB signaling cascade could be one of the mechanisms of Prx6 action on β-cells, in particular, through activation of RelA/p65 phosphorylation at Ser536.
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Affiliation(s)
- E G Novoselova
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia.
| | - O V Glushkova
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - S B Parfenuyk
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - M O Khrenov
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - S M Lunin
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - T V Novoselova
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - M G Sharapov
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - I A Shaev
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - V I Novoselov
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
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