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Deng P, Wang H, Xu X. Comparative Analysis of Chemical Profiles and Biological Activities of Essential Oils Derived from Torreya grandis Arils and Leaves: In Vitro and In Silico Studies. PLANTS (BASEL, SWITZERLAND) 2024; 13:2640. [PMID: 39339615 DOI: 10.3390/plants13182640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2024] [Revised: 09/13/2024] [Accepted: 09/18/2024] [Indexed: 09/30/2024]
Abstract
Torreya grandis (T. grandis, Taxaceae) is a well-known nut tree species. Its fruit aril and leaves possess a unique aroma, making it an ideal natural raw material for extracting essential oils (EOs). This study aims to comprehensively compare the composition, biological activities, and pharmacological mechanism of EOs extracted from the arils (AEO) and leaves (LEO) of T. grandis. The results revealed that the chemical composition of the two EOs was highly consistent, with α-pinene and D-limonene as the main components. Both EOs significantly reduced cellular melanin production and inhibited tyrosinase activity in α-MSH-stimulated B16 cells (p < 0.05). AEO and LEO suppressed inflammatory responses in LPS-stimulated RAW 264.7 macrophages, significantly inhibiting cellular NO production and proinflammatory cytokines such as TNF-α and IL-6 (p < 0.05). A network pharmacology analysis reveals that AEO and LEO share similar molecular mechanisms and pharmacological pathways for treating skin pigmentation and inflammation. Regulating inflammatory cytokines may be a critical pathway for AEO and LEO in treating skin pigmentation. These findings suggest that AEO and LEO have potential for cosmetic applications. The leaves of T. grandis could be a valuable source of supplementary materials for producing T. grandis aril EO.
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Affiliation(s)
- Pengfei Deng
- School of Forestry & Landscape Architecture, Anhui Agricultural University, Hefei 230036, China
- Anhui Provincial Key Laboratory of Forest Resources and Silviculture, Anhui Agricultural University, Hefei 230036, China
| | - Huiling Wang
- School of Forestry & Landscape Architecture, Anhui Agricultural University, Hefei 230036, China
- School of Architecture & Planning, Anhui Jianzhu University, Hefei 230022, China
| | - Xiaoniu Xu
- School of Forestry & Landscape Architecture, Anhui Agricultural University, Hefei 230036, China
- Anhui Provincial Key Laboratory of Forest Resources and Silviculture, Anhui Agricultural University, Hefei 230036, China
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2
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Yilmaz A, Dizman F, Akyildiz K, Mataraci Karakas S, Mercantepe T, Uydu HA, Tumkaya L, Ozturk K. The Hepatoprotective Effects of Camellia sinensis on Cisplatin-Induced Acute Liver Injury. Life (Basel) 2024; 14:1077. [PMID: 39337861 DOI: 10.3390/life14091077] [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: 08/01/2024] [Revised: 08/20/2024] [Accepted: 08/26/2024] [Indexed: 09/30/2024] Open
Abstract
Acute liver injury is an increasing global health problem. It is a widespread side effect of cisplatin treatment in the clinic and can lead to liver failure if not treated promptly. Previous studies have revealed that green tea can protect some organs from treatments. However, the potential of white tea to prevent the negative effects of acute liver injury has not been addressed so far. The purpose of this study was to investigate the reduction in cisplatin-induced liver injury in rats receiving white tea. Female Sprague Dawley rats with similar weight were selected in this study. Twenty-four rats were divided into three groups of eight animals each and ad libitum nutrition was provided. The control and cisplatin groups were given tap water only, while the white tea + cisplatin group received white tea at a 0.5% weight/volume concentration for four weeks. At the end of the fourth week, the white tea + cisplatin group and the cisplatin group received a single dose of cisplatin (7 mg/kg) via the intraperitoneal route. Five days after that procedure, the rats were anesthetized. Liver tissues and blood samples were collected, which were used for biochemical and histopathological analyses. According to biochemical results, liver tissue MDA and GSH, serum ALT, and AST levels significantly increased in the cisplatin group compared to the control group. Compared with the cisplatin group, although MDA, AST, ALT, and GSH levels were lower in the white tea + cisplatin group, only GSH levels were statistically different. The examination of histopathological and immunohistochemical findings revealed apoptotic cells, vascular congestion, and sinusoidal dilatation in the cisplatin group compared to the control group. This adverse event decreased in the white tea + cisplatin group compared to the cisplatin group. In conclusion, white tea exhibits an ameliorating effect on cisplatin-induced liver injury.
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Affiliation(s)
- Adnan Yilmaz
- Department of Biochemistry, Faculty of Medicine, Recep Tayyip Erdogan University, 53010 Rize, Turkey
| | - Fatih Dizman
- Recep Tayyip Erdogan University Research and Training Hospital, 53010 Rize, Turkey
| | - Kerimali Akyildiz
- Department of Biochemistry, Faculty of Medicine, Recep Tayyip Erdogan University, 53010 Rize, Turkey
| | - Sibel Mataraci Karakas
- Department of Biochemistry, Faculty of Medicine, Recep Tayyip Erdogan University, 53010 Rize, Turkey
| | - Tolga Mercantepe
- Department of Histology and Embryology, Faculty of Medicine, Recep Tayyip Erdogan University, 53010 Rize, Turkey
| | - Huseyin Avni Uydu
- Department of Biochemistry, Faculty of Medicine, Samsun University, 55000 Samsun, Turkey
| | - Levent Tumkaya
- Department of Histology and Embryology, Faculty of Medicine, Ondokuz Mayis University, 55000 Samsun, Turkey
| | - Koksal Ozturk
- Recep Tayyip Erdogan University Research and Training Hospital, 53010 Rize, Turkey
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3
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Saha S, Do T, Maycock J, Wood S, Boesch C. Antibiofilm Efficacies of Flavonoid-Rich Sweet Orange Waste Extract against Dual-Species Biofilms. Pathogens 2023; 12:pathogens12050657. [PMID: 37242327 DOI: 10.3390/pathogens12050657] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 04/21/2023] [Accepted: 04/24/2023] [Indexed: 05/28/2023] Open
Abstract
The current study evaluated the antibacterial properties of industrial sweet orange waste extracts (ISOWEs), which are a rich source of flavonoids. The ISOWEs exhibited antibacterial activity towards the dental cariogenic pathogens Streptococcus mutans and Lactobacillus casei with 13.0 ± 2.0 and 20.0 ± 2.0 mg/mL for MIC (minimum inhibitory concentration) and 37.7 ± 1.5 and 43.3 ± 2.1 mg/mL for MBC (minimum bactericidal concentration), respectively. When evaluated in a 7-day dual-species oral biofilm model, ISOWEs dose-dependently reduced the viable bacteria count, and demonstrated strong synergistic effects when combined with the anti-septic chlorhexidine (at 0.1 and 0.2%). Similarly, confocal microscopy confirmed the anti-cariogenic properties of ISOWEs, alone and in combination with chlorhexidine. The citrus flavonoids contributed differently to these effects, with the flavones (nobiletin, tangeretin and sinensetin) demonstrating significantly lower MICs and MBCs compared to the flavanones hesperidin and narirutin. In conclusion, our study demonstrated the potential of citrus waste as a currently underutilised source of flavonoids for antimicrobial applications, such as in dental health.
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Affiliation(s)
- Suvro Saha
- School of Food Science and Nutrition, Faculty of Environment, University of Leeds, Leeds LS2 9JT, UK
- School of Dentistry, Division of Oral Biology, Faculty of Medicine & Health, University of Leeds, Leeds LS2 9LU, UK
| | - Thuy Do
- School of Dentistry, Division of Oral Biology, Faculty of Medicine & Health, University of Leeds, Leeds LS2 9LU, UK
| | - Joanne Maycock
- School of Food Science and Nutrition, Faculty of Environment, University of Leeds, Leeds LS2 9JT, UK
| | - Simon Wood
- School of Dentistry, Division of Oral Biology, Faculty of Medicine & Health, University of Leeds, Leeds LS2 9LU, UK
| | - Christine Boesch
- School of Food Science and Nutrition, Faculty of Environment, University of Leeds, Leeds LS2 9JT, UK
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4
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Are Aspects of Integrative Concepts Helpful to Improve Pancreatic Cancer Therapy? Cancers (Basel) 2023; 15:cancers15041116. [PMID: 36831465 PMCID: PMC9953994 DOI: 10.3390/cancers15041116] [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: 12/29/2022] [Revised: 01/24/2023] [Accepted: 02/07/2023] [Indexed: 02/12/2023] Open
Abstract
Numerous clinical studies have been conducted to improve the outcomes of patients suffering from pancreatic cancer. Different approaches using targeted therapeutic strategies and precision medicine methods have been investigated, and synergies and further therapeutic advances may be achieved through combinations with integrative methods. For pancreatic tumors, a particular challenge is the presence of a microenvironment and a dense stroma, which is both a physical barrier to drug penetration and a complex entity being controlled by the immune system. Therefore, the state of immunological tolerance in the tumor microenvironment must be overcome, which is a considerable challenge. Integrative approaches, such as hyperthermia, percutaneous irreversible electroporation, intra-tumoral injections, phytotherapeutics, or vitamins, in combination with standard-oncological therapies, may potentially contribute to the control of pancreatic cancer. The combined application of standard-oncological and integrative methods is currently being studied in ongoing clinical trials. An actual overview is given here.
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Khan M, Khan M, Al-hamoud K, Adil SF, Shaik MR, Alkhathlan HZ. Diversity of Citrullus colocynthis (L.) Schrad Seeds Extracts: Detailed Chemical Profiling and Evaluation of Their Medicinal Properties. PLANTS (BASEL, SWITZERLAND) 2023; 12:567. [PMID: 36771651 PMCID: PMC9919198 DOI: 10.3390/plants12030567] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/15/2023] [Accepted: 01/23/2023] [Indexed: 06/18/2023]
Abstract
Seeds and fruits of Citrullus colocynthis have been reported to possess huge potential for the development of phytopharmaceuticals with a wide range of biological activities. Thus, in the current study, we are reporting the potential antimicrobial and anticancer properties of C. colocynthis seeds extracted with solvents of different polarities, including methanol (M.E.), hexane (H.E.), and chloroform (C.E.). Antimicrobial properties of C. colocynthis seeds extracts were evaluated on Gram-positive and Gram-negative bacteria, whereas, anticancer properties were tested on four different cell lines, including HepG2, DU145, Hela, and A549. All the extracts have demonstrated noteworthy antimicrobial activities with a minimum inhibitory concentration (MIC) ranging from 0.9-62.5 µg/mL against Klebsiella planticola and Staphylococcus aureus; meanwhile, they were found to be moderately active (MIC 62.5-250 µg/mL) against Escherichia coli and Micrococcus luteus strains. Hexane extracts have demonstrated the highest antimicrobial activity against K. planticola with an MIC value of 0.9 µg/mL, equivalent to that of the standard drug ciprofloxacin used as positive control in this study. For anticancer activity, all the extracts of C. colocynthis seeds were found to be active against all the tested cell lines (IC50 48.49-197.96 µg/mL) except for the chloroform extracts, which were found to be inactive against the HepG2 cell line. The hexane extract was found to possess the most prominent anticancer activity when compared to other extracts and has demonstrated the highest anticancer activity against the DU145 cell line with an IC50 value of 48.49 µg/mL. Furthermore, a detailed phytoconstituents analysis of all the extracts of C. colocynthis seeds were performed using GC-MS and GC-FID techniques. Altogether, 43 phytoconstituents were identified from the extracts of C. colocynthis seeds, among which 21, 12, and 16 components were identified from the H.E., C.E., and M.E. extracts, respectively. Monoterpenes (40.4%) and oxygenated monoterpenes (41.1%) were the most dominating chemical class of compounds from the hexane and chloroform extracts, respectively; whereas, in the methanolic extract, oxygenated aliphatic hydrocarbons (77.2%) were found to be the most dominating chemical class of compounds. To the best of our knowledge, all the phytoconstituents identified in this study are being reported for the first time from the C. colocynthis.
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Green Manufacturing for Herbal Remedies with Advanced Pharmaceutical Technology. Pharmaceutics 2023; 15:pharmaceutics15010188. [PMID: 36678817 PMCID: PMC9864685 DOI: 10.3390/pharmaceutics15010188] [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: 10/24/2022] [Revised: 12/06/2022] [Accepted: 12/20/2022] [Indexed: 01/06/2023] Open
Abstract
Herbal remedies are in most cases still manufactured with traditional equipment installations and processes. Innovative chemical process engineering methods such as modeling and process intensification with green technology could contribute to the economic and ecologic future of those botanicals. The integration of modern unit operations such as water-based pressurized hot water extraction and inline measurement devices for process analytical technology approaches in traditional extraction processes is exemplified. The regulatory concept is based on the quality-by-design demand for autonomous feed-based recipe operation with the aid of digital twins within advanced process control. This may include real-time release testing to the automatic cleaning of validation issues. Digitalization and Industry 4.0 methods, including machine learning and artificial intelligence, are capable of keeping natural product extraction manufacturing and can contribute significantly to the future of human health.
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Neuroprotective effects of Vaccinium myrtillus on damage-related brain injury. J Chem Neuroanat 2023; 127:102193. [PMID: 36414183 DOI: 10.1016/j.jchemneu.2022.102193] [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: 08/28/2022] [Revised: 11/11/2022] [Accepted: 11/18/2022] [Indexed: 11/21/2022]
Abstract
Traumatic brain injury may trigger the secondary brain injury, which has the potential to be reversible and thus preventable. Anthocyanins are phylotherapeutic plants, which are reported to exhibit anti-inflammatory properties. This study aimed to evaluate the therapeutic efficiency of an anthocyanin, namely Vaccinium myrtillus, to alleviate secondary brain injury and identify possible mechanism of actions. It is hypothesized that lipid peroxidation and Na+ -K+ -ATPase activity may be involved in neuronal ischemia. Thus, brain tissue Malondialdehyde content, Na+ -K+ -ATPase content, and cleaved caspase-3 content was investigated following moderate head trauma in a rat model. Twenty-four Sprague-Dawley male rats were allocated into four groups: Control, Trauma, Solvent-Control, and Treatment. Trauma and Solvent-Control groups showed more prominent brain edema, neuronal ischemia, vascular congestion, increase in brain tissue Malondialdehyde and cleaved caspase-3 levels, and decreased Na+-K+-ATPase activity compared to the Control group. Although the Treatment group had comparable histological signs to the Trauma and Solvent-Control groups, Malondialdehyde level and Na+-K+-ATPase activity was similar to Control group, and cleaved caspase-3 levels were lower compared to Trauma and Solvent-Control groups. We conclude that anthocyanin extracts may alleviate secondary brain injury via anti-oxidative and anti-apoptotic mechanisms.
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Gour A, Kotwal P, Dogra A, Kour D, Dhiman S, Kumar A, Digra SK, Kumar A, Singh G, Nandi U. Investigating the Potential Use of Andrographolide as a Coadjuvant in Sickle Cell Anemia Therapy. ACS OMEGA 2022; 7:12765-12771. [PMID: 35474831 PMCID: PMC9026017 DOI: 10.1021/acsomega.1c07339] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 03/16/2022] [Indexed: 06/14/2023]
Abstract
Andrographolide is one of the main active principles of Andrographolide paniculata and has been extensively explored for its therapeutic use. Current studies focus on phytotherapeutics-based adjuvant therapy to symptomatically treat sickle cell anemia (SCA) as there is no specific drug/gene therapy available to date. The present study aimed to explore the potential of andrographolide as an adjuvant therapy for SCA in the presence or absence of hydroxyurea (HU), a key drug for SCA treatment. A panel of ex vivo and in vivo experimentations was performed to explore the antisickling activity of andrographolide, followed by evaluating pharmacokinetic and pharmacodynamic (PK/PD) activities in the presence of HU. Andrographolide showed significant antisickling activity using blood from SCA patients (ex vivo) and did not show any deleterious effect to cause hemolysis using rat blood (ex vivo). It displayed a substantial decrease in HU-induced decline in splenic lymphocyte proliferation and cytokine level (TNF-α and IFN-γ) using rat splenocytes (ex vivo). Concomitant oral administration of andrographolide with HU in rats for 15 days exhibited a noticeable improvement in the RBC count and hemoglobin levels comparable to the efficacy of l-glutamine (in vivo). Simultaneous administration of andrographolide with HU caused no marked effect on any pharmacokinetic parameters of HU except the highest plasma concentration of HU and its corresponding time point, which significantly dropped and delayed, respectively (in vivo). No considerable effect of andrographolide was observed on urease and horseradish peroxidase activity (in vitro). Overall, results suggest that andrographolide has several beneficial actions to be an adjuvant therapy to symptomatically manage SCA, but it should be avoided during the prescribed therapy of HU.
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Affiliation(s)
- Abhishek Gour
- PK-PD
Toxicology Division, CSIR-Indian Institute
of Integrative Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Pankul Kotwal
- PK-PD
Toxicology Division, CSIR-Indian Institute
of Integrative Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Ashish Dogra
- PK-PD
Toxicology Division, CSIR-Indian Institute
of Integrative Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Dilpreet Kour
- PK-PD
Toxicology Division, CSIR-Indian Institute
of Integrative Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Sumit Dhiman
- PK-PD
Toxicology Division, CSIR-Indian Institute
of Integrative Medicine, Jammu 180001, India
| | - Amit Kumar
- Natural
Product and Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Jammu 180001, India
| | | | - Ajay Kumar
- PK-PD
Toxicology Division, CSIR-Indian Institute
of Integrative Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Gurdarshan Singh
- PK-PD
Toxicology Division, CSIR-Indian Institute
of Integrative Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Utpal Nandi
- PK-PD
Toxicology Division, CSIR-Indian Institute
of Integrative Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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9
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Proposal of a New Green Process for Waste Valorization and Cascade Utilization of Essential Oil Plants. SUSTAINABILITY 2022. [DOI: 10.3390/su14063227] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
In this study, different unit operations for distillation, extraction, capturing and separation of essential oil components from essential oil plants are evaluated, on the example of limonene and carvone from caraway fruits. Hydrodistillation is the standard process for obtaining essential oils and leaves the distillation water (hydrolate) after phase separation of the essential oil and the distilled plant material (pomace) as waste streams. In this study, a process for the valorization of these waste streams, using different techniques, such as traps and pressurized hot water extraction, is developed, reaching high yields, with a plus of 35%, compared to established methods, and reducing the overall global warming potential of the whole process, as well as reducing the cost of goods by around 30%.
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10
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Chehri A, Yarani R, Yousefi Z, Shakouri SK, Ostadrahimi A, Mobasseri M, Araj-Khodaei M. Phytochemical and pharmacological anti-diabetic properties of bilberries (Vaccinium myrtillus), recommendations for future studies. Prim Care Diabetes 2022; 16:27-33. [PMID: 34996690 DOI: 10.1016/j.pcd.2021.12.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 12/13/2021] [Accepted: 12/25/2021] [Indexed: 11/22/2022]
Abstract
Nowadays, extensive attention has focused on dietary constituents that may be valuable for treating, eating, and preventing diabetes. Numerous studies have shown that anthocyanin's are one of the most important nutritional factors associated with diabetes. Anthocyanin's are the leading group of water-soluble pigments in the plant kingdom, and they are generally available in some human diet in fruits, vegetables, cereals, beans. Amongst, bilberries (Vaccinium myrtillus), is one of the essential sources for dietary anthocyanin consumption containing vast amounts of anthocyanin's, making them the main plant in the treatment and prevention of diabetes. Although the bilberries have other valuable properties such as anti-cancer, anti-inflammatory, and antioxidant, the main focus of the present study is to present the effects of bilberries (V. myrtillus) on the prevention and treatment of diabetes.
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Affiliation(s)
- Anita Chehri
- Student Research Committee, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Persian Medicine, Faculty of Traditional Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Reza Yarani
- Translational Type 1 Diabetes Research, Department of Clinical Research, Steno Diabetes Center Copenhagen, Gentofte, Denmark.
| | - Zahra Yousefi
- Psychiatry Research Center, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Seyed Kazem Shakouri
- Physical Medicine Research Center, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Alireza Ostadrahimi
- Department of Clinical Nutrition, School of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Majid Mobasseri
- Department of Internal Medicine, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mostafa Araj-Khodaei
- Research Center for Integrative Medicine in Aging, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran.
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11
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A comprehensive review on phytochemicals for fatty liver: are they potential adjuvants? J Mol Med (Berl) 2022; 100:411-425. [PMID: 34993581 DOI: 10.1007/s00109-021-02170-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 11/17/2021] [Accepted: 11/22/2021] [Indexed: 12/18/2022]
Abstract
Non-alcoholic fatty liver disease (NAFLD) is considered the hepatic manifestation of metabolic syndrome and, as such, is associated with obesity. With the current and growing epidemic of obesity, NAFLD is already considered the most common liver disease in the world. Currently, there is no official treatment for the disease besides weight loss. Although there are a few synthetic drugs currently being studied, there is also an abundance of herbal products that could also be used for treatment. With the World Health Organization (WHO) traditional medicine strategy (2014-2023) in mind, this review aims to analyze the mechanisms of action of some of these herbal products, as well as evaluate toxicity and herb-drug interactions available in literature.
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12
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Groot MJ, Berendsen BJA, Cleton NB. The Next Step to Further Decrease Veterinary Antibiotic Applications: Phytogenic Alternatives and Effective Monitoring; the Dutch Approach. Front Vet Sci 2021; 8:709750. [PMID: 34540934 PMCID: PMC8446536 DOI: 10.3389/fvets.2021.709750] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 08/05/2021] [Indexed: 02/04/2023] Open
Abstract
Antibiotics are used to control infectious diseases in both animals and humans. They can be life-saving compounds but excessive use in animal husbandry leads to the development of antibiotic resistance which can impact the public health. Since similar antibiotics are used in both animal and human healthcare, it is important to reduce the use of antibiotics in production animals. In the Netherlands policies have been developed aiming for a decrease of antibiotic usage in animals, and alternatives to antibiotics are investigated. Currently, a one-on-one relationship between farmer and veterinarian is successfully implemented and (national) registration of antibiotic usage is mandatory. Unfortunately, after a 70% decrease in antibiotic usage since 2009, this decrease is now stagnating in most sectors. Innovative strategies are required to facilitate a further reduction. One promising option is a focus on farm management and natural alternatives to antibiotics. The Dutch government has invested in the spread of knowledge of natural remedies and good animal management to support animal health via so called Barnbooks for farmers and veterinarians. Another option is the analysis of on-farm antibiotic use to prevent unregistered applications. New (bio)analytical strategies to monitor the correct and complete registration of antibiotic usage have been developed and trial-tested in the Netherlands. Such strategies support a risk-based monitoring and allow effective selection of high-risk (high antibiotic use or illegal antibiotic) users. Both effective monitoring and the availability and knowledge of alternatives is a prerequisite to achieve a further significant decrease in antibiotic veterinary usage.
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Affiliation(s)
- Maria J Groot
- Wageningen Food Safety Research, Wageningen University & Research, Wageningen, Netherlands
| | - Bjorn J A Berendsen
- Wageningen Food Safety Research, Wageningen University & Research, Wageningen, Netherlands
| | - Natalie B Cleton
- Wageningen Food Safety Research, Wageningen University & Research, Wageningen, Netherlands
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13
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Bacong JRC, Juanico DEO. Predictive Chromatography of Leaf Extracts Through Encoded Environmental Forcing on Phytochemical Synthesis. FRONTIERS IN PLANT SCIENCE 2021; 12:613507. [PMID: 34512676 PMCID: PMC8424046 DOI: 10.3389/fpls.2021.613507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Accepted: 07/26/2021] [Indexed: 06/13/2023]
Abstract
Environment fluctuations can influence a plant's phytochemical profile via phenotypic plasticity. This adaptive response ensures a plant's survival under fluctuating growth conditions. However, the resulting plant extract composition becomes unpredictable, which is a problem for highly standardized medicinal applications. Here we demonstrate, for the first time, the feasibility of tracking the changes in the phytochemical profile based on real-time measurements of a few environment and extract-preparation variables. As a result, we predicted the chromatograms of Blumea balsamifera extracts through an imputation-augmented convolutional neural network, which uses the image-transformed temporal measurements of the variables. We developed a sensor network that collected data in a greenhouse and a training algorithm that concurrently generated a data representation of the implicit plant-environment interactions leading to the mutable chromatograms of leaf extracts. We anticipate the generic applicability of the method for any plant and recognize its potential for addressing the standardization problems in plant therapeutics.
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14
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Vaccinium Species (Ericaceae): From Chemical Composition to Bio-Functional Activities. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11125655] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The genus Vaccinium L. (Ericaceae) includes more than 450 species, which mainly grow in cooler areas of the northern hemisphere. Vaccinium species have been used in traditional medicine of different cultures and the berries are widely consumed as food. Indeed, Vaccinium supplement-based herbal medicine and functional food, mainly from V. myrtillus and V. macrocarpon, are used in Europe and North America. Biological studies support traditional uses since, for many Vaccinium components, important biological functions have been described, including antioxidant, antitumor, anti-inflammatory, antidiabetic and endothelium protective activities. Vaccinium components, such as polyphenols, anthocyanins and flavonoids, are widely recognized as modulators of cellular pathways involved in pathological conditions, thus indicating that Vaccinium may be an important source of bioactive molecules. This review aims to better describe the bioactivity of Vaccinium species, focusing on anti-inflammatory and endothelial protective cellular pathways, modulated by their components, to better understand their importance for public health.
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15
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Plant Species of Sub-Family Valerianaceae-A Review on Its Effect on the Central Nervous System. PLANTS 2021; 10:plants10050846. [PMID: 33922184 PMCID: PMC8144999 DOI: 10.3390/plants10050846] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 04/16/2021] [Accepted: 04/19/2021] [Indexed: 12/28/2022]
Abstract
Valerianaceae, the sub-family of Caprifoliaceae, contains more than 300 species of annual and perennial herbs, worldwide distributed. Several species are used for their biological properties while some are used as food. Species from the genus Valeriana have been used for their antispasmodic, relaxing, and sedative properties, which have been mainly attributed to the presence of valepotriates, borneol derivatives, and isovalerenic acid. Among this genus, the most common and employed species is Valerianaofficinalis. Although valerian has been traditionally used as a mild sedative, research results are still controversial regarding the role of the different active compounds, the herbal preparations, and the dosage used. The present review is designed to summarize and critically describe the current knowledge on the different plant species belonging to Valerianaceae, their phytochemicals, their uses in the treatment of different diseases with particular emphasis on the effects on the central nervous system. The available information on this sub-family was collected from scientific databases up until year 2020. The following electronic databases were used: PubMed, Scopus, Sci Finder, Web of Science, Science Direct, NCBI, and Google Scholar. The search terms used for this review included Valerianaceae, Valeriana, Centranthus, Fedia, Patrinia, Nardostachys, Plectritis, and Valerianella, phytochemical composition, in vivo studies, Central Nervous System, neuroprotective, antidepressant, antinociceptive, anxiolytic, anxiety, preclinical and clinical studies.
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Abd El-Rady NM, Dahpy MA, Ahmed A, Elgamal DA, Hadiya S, Ahmed MAM, Sayed ZEAA, Abdeltawab D, Abdelmohsen AS, Farrag AAM, Ashmawy AM, Khairallah MK, Galal HM. Interplay of Biochemical, Genetic, and Immunohistochemical Factors in the Etio-Pathogenesis of Gastric Ulcer in Rats: A Comparative Study of the Effect of Pomegranate Loaded Nanoparticles Versus Pomegranate Peel Extract. Front Physiol 2021; 12:649462. [PMID: 33833690 PMCID: PMC8021798 DOI: 10.3389/fphys.2021.649462] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 02/26/2021] [Indexed: 12/21/2022] Open
Abstract
Background Few data are available about the role of herbal extract loaded nanoparticles as an alternative safe medicine for the management of a gastric ulcer. Aim This work is targeted at exploring the physiological effects of pomegranate loaded nanoparticles (PLN) against an indomethacin IND-induced gastric ulcer and comparing the results with traditional pomegranate peel extract (PPE). Methods Twenty-four rats were equally distributed into four groups: control, IND-treated, PLN-treated, and PPE-treated groups. Gross examination of gastric mucosa, and the calculation of ulcer and inhibition indices were done. Serum malondialdehyde (MDA), total antioxidant capacity (TAC), interleukin 2 (IL-2), IL-6, IL-10, gastric homogenate prostaglandin E2 (PGE2), and nitric oxide (NO) were estimated. Mucosal endothelial nitric oxide synthase (eNOS mRNA) expression was identified by qPCR. Histological and immuno-histochemical staining of Tumor necrosis factor-α (TNF-α) and eNOS of stomach mucosa were performed. Results In comparison with the control group, IND-treated rats showed visible multiple ulcers with ulcer index, serum MDA, IL-2 and IL-6 were elevated while IL-10, PGE2, NO, and eNOS mRNA expression were significantly reduced. Damaged surface epithelium with disrupted glandular architecture and heavy leucocyte infiltration of lamina propria was noticed. Immunohistochemical staining of stomach mucosa revealed marked increased TNF-α and reduced eNOS. Oral administration of PLN and PPE succeeded in improving the gross mucosal picture, and all biochemical, histological, and immunohistochemical alterations. Conclusion Both PLN and PPE potently alleviated IND-induced gastric ulceration via increasing TAC, PGE2, NO, eNOS mRNA, and protein expression. However, the healing effect of PLN was obviously greater than PPE-treated rats.
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Affiliation(s)
- Nessren M Abd El-Rady
- Medical Physiology Department, Faculty of Medicine, Assiut University, Assiut, Egypt.,Medical Physiology Department, Sphinx University, New Assiut, Egypt
| | - Marwa A Dahpy
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Amel Ahmed
- Department of Histology and Cell Biology, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Dalia A Elgamal
- Department of Histology and Cell Biology, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Safy Hadiya
- Assiut International Center of Nanomedicine, Al-Rajhy Liver Hospital, Assiut University, Assiut, Egypt
| | - Mai A M Ahmed
- Department of Pharmcognosy and Natural Products Chemistry, Faculty of Pharmacy, Assiut University, Assiut, Egypt
| | - Zain El-Abdeen Ahmed Sayed
- Department of Internal Medicine and Gastroenterology, Gastroenterology and Hepatology Unit, Assiut University Hospital, Assiut, Egypt
| | - Doaa Abdeltawab
- Tropical Medicine and Gastroenterology Department, Alrajhi Hospital, Assiut University, Assiut, Egypt
| | - Ahmed Shawkat Abdelmohsen
- Tropical Medicine and Gastroenterology Department, Alrajhi Hospital, Assiut University, Assiut, Egypt
| | - Alshaimaa Abdelkhaliq Mohammad Farrag
- Department of Histology and Cell Biology, Faculty of Medicine, Assiut University, Assiut, Egypt.,Department of Anatomy, College of Medicine, University of Bisha, Bisha, Saudi Arabia
| | - Ahmed M Ashmawy
- Department of Internal Medicine and Gastroenterology, Gastroenterology and Hepatology Unit, Assiut University Hospital, Assiut, Egypt
| | - Marwa K Khairallah
- Nephrology and Internal Medicine, Assiut University, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Heba M Galal
- Medical Physiology Department, Faculty of Medicine, Assiut University, Assiut, Egypt.,Department of Medical Physiology, College of Medicine, Jouf University, Sakaka, Saudi Arabia
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17
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Chan SW, Chu TTW, Choi SW, Benzie IFF, Tomlinson B. Impact of short-term bilberry supplementation on glycemic control, cardiovascular disease risk factors, and antioxidant status in Chinese patients with type 2 diabetes. Phytother Res 2021; 35:3236-3245. [PMID: 33599340 DOI: 10.1002/ptr.7038] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 10/18/2020] [Accepted: 01/15/2021] [Indexed: 12/22/2022]
Abstract
Bilberry (Vaccinium myrtillus L.) is one of the richest natural sources of anthocyanins which are powerful antioxidants and reported to have antiinflammatory, antidyslipidemic, antihypertensive, and hypoglycemic effects. The objective of this study was to assess the effect of bilberry supplementation on biomarkers of glycemic control, lipid profile, antioxidant, and inflammatory status in patients with type 2 diabetes in a randomized, double-blind, placebo-controlled cross-over study. Twenty patients were randomized to receive either bilberry supplementation (1.4 g/day of extract) daily for 4 weeks followed by 6 weeks of washout and then an additional 4 weeks of matching placebo or vice versa. Blood pressure, metabolic parameters, antioxidant status, and oxidative stress were measured before and after each period. Results showed no effect on body weight, blood pressure, or lipid profile. HbA1c was reduced by 0.31 ± 0.58% during bilberry supplementation, but this change was not significantly different from that with placebo. Antioxidant status, oxidative stress, and inflammatory status showed no significant differences across treatments. This short-term study of bilberry supplementation did not show significant effects on cardiovascular risk factors or antioxidant status, but the tendency for improved glycemic control may suggest a longer treatment period may be effective in diabetic patients.
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Affiliation(s)
- Sze Wa Chan
- School of Health Sciences, Caritas Institute of Higher Education, Hong Kong SAR, China
| | - Tanya T W Chu
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong SAR, China
| | - Siu Wai Choi
- Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hong Kong SAR, China.,Oral and Maxillofacial Surgery, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, China
| | - Iris F F Benzie
- Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Brian Tomlinson
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong SAR, China.,Faculty of Medicine, Macau University of Science and Technology, Macau, China
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Abstract
In recent years process modelling has become an established method which generates digital twins of manufacturing plant operation with the aid of numerically solved process models. This article discusses the benefits of establishing process modelling, in-house or by cooperation, in order to support the workflow from process development, piloting and engineering up to manufacturing. The examples are chosen from the variety of botanicals and biologics manufacturing thus proving the broad applicability from variable feedstock of natural plant extracts of secondary metabolites to fermentation of complex molecules like mAbs, fragments, proteins and peptides.Consistent models and methods to simulate whole processes are available. To determine the physical properties used as model parameters, efficient laboratory-scale experiments are implemented. These parameters are case specific since there is no database for complex molecules of biologics and botanicals in pharmaceutical industry, yet.Moreover, Quality-by-Design approaches, demanded by regulatory authorities, are integrated within those predictive modelling procedures. The models could be proven to be valid and predictive under regulatory aspects. Process modelling does earn its money from the first day of application. Process modelling is a key-enabling tool towards cost-efficient digitalization in chemical-pharmaceutical industries.
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19
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Casanova AG, Hernández-Sánchez MT, Martínez-Salgado C, Morales AI, Vicente-Vicente L, López-Hernández FJ. A meta-analysis of preclinical studies using antioxidants for the prevention of cisplatin nephrotoxicity: implications for clinical application. Crit Rev Toxicol 2020; 50:780-800. [PMID: 33170047 DOI: 10.1080/10408444.2020.1837070] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Cisplatin is an effective chemotherapeutic drug whose clinical use and efficacy are limited by its nephrotoxicity, which affects mainly the renal tubules and vasculature. It accumulates in proximal and distal epithelial tubule cells and causes oxidative stress-mediated cell death and malfunction. Consequently, many antioxidants have been tested for their capacity to prevent cisplatin nephrotoxicity. In this study, we made a systematic review of the literature and meta-analyzed 152 articles, which tested the nephroprotective effect of isolated compounds or mixtures of natural origin on cisplatin nephrotoxicity in preclinical models. This meta-analysis identified the most effective candidates and examined the efficacy obtained by antioxidants administered by the oral and intraperitoneal routes. By comparing with a recent, similar meta-analysis performed on clinical studies, this article identifies a disconnection between preclinical and clinical research, and contextualizes, discusses, and integrates the existing preclinical information toward the optimized selection of candidates to be further explored (clinical level). Despite proved efficacy, this article discusses the barriers limiting the clinical development of natural mixtures, such as those in extracts from Calendula officinalis flowers and Heliotropium eichwaldii roots. On the contrary, isolated compounds are more straightforward candidates, among which arjunolic acid and quercetin stand out in this meta-analysis.
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Affiliation(s)
- Alfredo G Casanova
- Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain.,Department of Physiology and Pharmacology, University of Salamanca (USAL), Salamanca, Spain.,Fundación Instituto de Estudios de Ciencias de la Salud de Castilla y León (IECSCYL), Soria, Spain.,Group of Translational Research on Renal and Cardiovascular Diseases (TRECARD), Salamanca, Spain.,National Network for Kidney Research REDINREN, Instituto de Salud Carlos III, Madrid, Spain
| | - M Teresa Hernández-Sánchez
- Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain.,Department of Physiology and Pharmacology, University of Salamanca (USAL), Salamanca, Spain.,Fundación Instituto de Estudios de Ciencias de la Salud de Castilla y León (IECSCYL), Soria, Spain.,Group of Translational Research on Renal and Cardiovascular Diseases (TRECARD), Salamanca, Spain.,National Network for Kidney Research REDINREN, Instituto de Salud Carlos III, Madrid, Spain
| | - Carlos Martínez-Salgado
- Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain.,Department of Physiology and Pharmacology, University of Salamanca (USAL), Salamanca, Spain.,Fundación Instituto de Estudios de Ciencias de la Salud de Castilla y León (IECSCYL), Soria, Spain.,Group of Translational Research on Renal and Cardiovascular Diseases (TRECARD), Salamanca, Spain.,National Network for Kidney Research REDINREN, Instituto de Salud Carlos III, Madrid, Spain
| | - Ana I Morales
- Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain.,Department of Physiology and Pharmacology, University of Salamanca (USAL), Salamanca, Spain.,Group of Translational Research on Renal and Cardiovascular Diseases (TRECARD), Salamanca, Spain.,National Network for Kidney Research REDINREN, Instituto de Salud Carlos III, Madrid, Spain.,Group of Biomedical Research on Critical Care (BioCritic), Valladolid, Spain
| | - Laura Vicente-Vicente
- Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain.,Department of Physiology and Pharmacology, University of Salamanca (USAL), Salamanca, Spain.,Group of Translational Research on Renal and Cardiovascular Diseases (TRECARD), Salamanca, Spain.,National Network for Kidney Research REDINREN, Instituto de Salud Carlos III, Madrid, Spain
| | - Francisco J López-Hernández
- Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain.,Department of Physiology and Pharmacology, University of Salamanca (USAL), Salamanca, Spain.,Fundación Instituto de Estudios de Ciencias de la Salud de Castilla y León (IECSCYL), Soria, Spain.,Group of Translational Research on Renal and Cardiovascular Diseases (TRECARD), Salamanca, Spain.,National Network for Kidney Research REDINREN, Instituto de Salud Carlos III, Madrid, Spain.,Group of Biomedical Research on Critical Care (BioCritic), Valladolid, Spain
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20
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Moracci L, Traldi P, Agostini M. MASS SPECTROMETRY FOR A HOLISTIC VIEW OF NATURAL EXTRACTS OF PHYTOTHERAPEUTIC INTEREST. MASS SPECTROMETRY REVIEWS 2020; 39:553-573. [PMID: 31930557 DOI: 10.1002/mas.21619] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 12/18/2019] [Indexed: 06/10/2023]
Abstract
In the study of natural products new strategies which favor a holistic approach, integrating the traditional reductionist methods usually employed, have been proposed. In this frame, the studies carried out by us in the last decade show that fingerprints, mainly obtained by electrospray ionization mass spectrometry (ESI-MS), lead to the characterization of natural extracts from different botanical species but also of phytotherapeutic products constituted by mixtures of extracts from different plants. Laser desorption ionization and matrix-assisted laser desorption ionization techniques were also employed and by the use of different matrices some complementary results were achieved. Results obtained by standard spectrophotometric and liquid chromatography methods were compared with those achieved by direct infusion of the extract in ESI-MS conditions, indicating an excellent agreement between the two approaches. The findings of these researches were considered in the frame of complex systems theory, investigating how relationships between a system's parts can give rise to its collective behaviors and how the system interacts and forms relationships with its environment. In this view, the peculiar pharmacological behavior of biologically active natural compounds can be justified by the occurrence of molecular interactions due to the high complexity of the natural matrix. Some of these interactions have been widely studied in the case of green tea extracts (GTEs) proving unequivocally the presence of caffeine/catechin complexes in GTE samples. The presence of bimolecular complexes has been observed also in the case of Ceylon tea and Mate extracts. These data indicate that the formation of complexes in natural extracts is a common behavior and their presence must be considered in the description of natural extracts and, consequently, in their biological activity. ©2020 John Wiley & Sons Ltd. Mass Spec Rev.
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Affiliation(s)
- Laura Moracci
- Nano-Inspired Biomedicine Lab, Fondazione Istituto di Ricerca Pediatrica Città della Speranza, I35127, Padova, Italy
- Department of Surgical, Surgical Clinic, Oncological and Gastroenterological Sciences, University of Padova, I35122, Padova, Italy
| | - Pietro Traldi
- Nano-Inspired Biomedicine Lab, Fondazione Istituto di Ricerca Pediatrica Città della Speranza, I35127, Padova, Italy
| | - Marco Agostini
- Nano-Inspired Biomedicine Lab, Fondazione Istituto di Ricerca Pediatrica Città della Speranza, I35127, Padova, Italy
- Department of Surgical, Surgical Clinic, Oncological and Gastroenterological Sciences, University of Padova, I35122, Padova, Italy
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21
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Mwaurah PW, Kumar S, Kumar N, Panghal A, Attkan AK, Singh VK, Garg MK. Physicochemical characteristics, bioactive compounds and industrial applications of mango kernel and its products: A review. Compr Rev Food Sci Food Saf 2020; 19:2421-2446. [DOI: 10.1111/1541-4337.12598] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 06/01/2020] [Accepted: 06/16/2020] [Indexed: 12/27/2022]
Affiliation(s)
- Peter Waboi Mwaurah
- Department of Processing and Food Engineering, College of Agricultural Engineering and TechnologyCCS Haryana Agricultural University Hisar Haryana 125 004 India
| | - Sunil Kumar
- Department of Processing and Food Engineering, College of Agricultural Engineering and TechnologyCCS Haryana Agricultural University Hisar Haryana 125 004 India
| | - Nitin Kumar
- Department of Processing and Food Engineering, College of Agricultural Engineering and TechnologyCCS Haryana Agricultural University Hisar Haryana 125 004 India
| | - Anil Panghal
- Department of Processing and Food Engineering, College of Agricultural Engineering and TechnologyCCS Haryana Agricultural University Hisar Haryana 125 004 India
| | - Arun Kumar Attkan
- Department of Processing and Food Engineering, College of Agricultural Engineering and TechnologyCCS Haryana Agricultural University Hisar Haryana 125 004 India
| | - Vijay Kumar Singh
- Department of Processing and Food Engineering, College of Agricultural Engineering and TechnologyCCS Haryana Agricultural University Hisar Haryana 125 004 India
| | - Mukesh Kumar Garg
- Department of Processing and Food Engineering, College of Agricultural Engineering and TechnologyCCS Haryana Agricultural University Hisar Haryana 125 004 India
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22
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Liu B, Hu T, Yan W. Authentication of the Bilberry Extracts by an HPLC Fingerprint Method Combining Reference Standard Extracts. Molecules 2020; 25:molecules25112514. [PMID: 32481617 PMCID: PMC7321295 DOI: 10.3390/molecules25112514] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Revised: 05/14/2020] [Accepted: 05/21/2020] [Indexed: 01/15/2023] Open
Abstract
A simple and fast high-performance liquid chromatography (HPLC) fingerprint method combining reference standard extract for the identification of bilberry extract was developed and validated. Six batches of bilberry extract collected from different manufactures were used to establish the HPLC fingerprint. Other berry extracts—such as blueberry extracts, mulberry extracts, cranberry extracts, and black rice extracts—were also analyzed for their HPLC chromatograms. The fingerprints of five batches of bilberry extract showed high similarities, while one batch was distinguished from others. Additionally, the content of anthocyanin Cyanidin-3-O-glucoside (Cy-3-glc) in each berry extract was analyzed and compared. The results indicate that this HPLC fingerprint method, combining reference standard extracts, could be used for the authentication and quality control of bilberry extracts.
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Affiliation(s)
- Bingbing Liu
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China; (B.L.); (T.H.)
- State Key Laboratory of Environmental and Biological Analysis, Hong Kong Baptist University, Kowloon Tong, Kowloon, Hong Kong 999077, China
| | - Tiantian Hu
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China; (B.L.); (T.H.)
| | - Weidong Yan
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China; (B.L.); (T.H.)
- Zhejiang Skyherb Biotechnologies Co., Ltd., Anji 313300, China
- Correspondence: ; Tel.: +86-571-8795-1430; Fax: +86-571-8795-1895
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23
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Essential Oil Phytocomplex Activity, a Review with a Focus on Multivariate Analysis for a Network Pharmacology-Informed Phytogenomic Approach. Molecules 2020; 25:molecules25081833. [PMID: 32316274 PMCID: PMC7221665 DOI: 10.3390/molecules25081833] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Revised: 04/12/2020] [Accepted: 04/14/2020] [Indexed: 12/13/2022] Open
Abstract
Thanks to omic disciplines and a systems biology approach, the study of essential oils and phytocomplexes has been lately rolling on a faster track. While metabolomic fingerprinting can provide an effective strategy to characterize essential oil contents, network pharmacology is revealing itself as an adequate, holistic platform to study the collective effects of herbal products and their multi-component and multi-target mediated mechanisms. Multivariate analysis can be applied to analyze the effects of essential oils, possibly overcoming the reductionist limits of bioactivity-guided fractionation and purification of single components. Thanks to the fast evolution of bioinformatics and database availability, disease-target networks relevant to a growing number of phytocomplexes are being developed. With the same potential actionability of pharmacogenomic data, phytogenomics could be performed based on relevant disease-target networks to inform and personalize phytocomplex therapeutic application.
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24
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Chan SW, Tomlinson B. Effects of Bilberry Supplementation on Metabolic and Cardiovascular Disease Risk. Molecules 2020; 25:E1653. [PMID: 32260262 PMCID: PMC7180827 DOI: 10.3390/molecules25071653] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 04/01/2020] [Indexed: 02/06/2023] Open
Abstract
Metabolic syndrome is a cluster of interrelated conditions that is associated with an increased risk of cardiovascular disease (CVD) and type 2 diabetes mellitus (T2DM). Oxidative stress may impair normal physiological functions, leading to various illnesses. T2DM is considered to be associated with increased oxidative stress, inflammation, and dyslipidemia, which may play a significant role in the development of cardiovascular complications, cancer and vision loss through cataracts and retinopathy. While conventional therapies are a cornerstone for the management of the major risk factors of metabolic syndrome, increasing antioxidant defense by increasing intake of antioxidant-rich foods may improve long term prospects in CVD, obesity and T2DM. Bilberry (Vaccinium myrtillus L.) is one of the richest natural sources of anthocyanins which give berries their red/purple/blue coloration. Anthocyanins are powerful antioxidants and are reported to play an important role in the prevention of metabolic disease and CVD as well as cancer and other conditions. This review focuses on the potential effects of bilberry supplementation on metabolic and cardiovascular risk factors. Although there is evidence to support the use of bilberry supplementation as part of a healthy diet, the potential benefits from the use of bilberry supplementation in patients with T2DM or CVD needs to be clarified in large clinical trials.
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Affiliation(s)
- Sze Wa Chan
- School of Health Sciences, Caritas Institute of Higher Education, Hong Kong SAR 999077, China
| | - Brian Tomlinson
- Faculty of Medicine, Macau University of Science & Technology, Macau 853, China
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25
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Trivedi M, Johri P, Singh A, Singh R, Tiwari RK. Latest Tools in Fight Against Cancer: Nanomedicines. Nanobiomedicine (Rij) 2020. [DOI: 10.1007/978-981-32-9898-9_6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023] Open
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26
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Schuhladen K, Roether JA, Boccaccini AR. Bioactive glasses meet phytotherapeutics: The potential of natural herbal medicines to extend the functionality of bioactive glasses. Biomaterials 2019; 217:119288. [DOI: 10.1016/j.biomaterials.2019.119288] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 06/12/2019] [Accepted: 06/15/2019] [Indexed: 12/13/2022]
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27
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Kumar S, Bouic PJ, Rosenkranz B. A validated stable HPLC method for the simultaneous determination of rifampicin and 25-O-desacetyl rifampicin – evaluation of in vitro metabolism. ACTA CHROMATOGR 2019. [DOI: 10.1556/1326.2018.00361] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Saneesh Kumar
- Division of Clinical Pharmacology, Department of Medicine, University of Stellenbosch, Tygerberg, Cape Town, South Africa
| | - Patrick J. Bouic
- Division of Medical Microbiology, Faculty of Health Sciences, University of Stellenbosch, Cape Town, RSA
- Synexa Life Sciences, Montague Gardens, Cape Town, RSA
| | - Bernd Rosenkranz
- Division of Clinical Pharmacology, Department of Medicine, University of Stellenbosch, Tygerberg, Cape Town, South Africa
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Uhlenbrock L, Ditz R, Strube J. Process Engineering Accelerating an Economic Industrialization Towards a Bio-Based World. Molecules 2019; 24:molecules24101853. [PMID: 31091783 PMCID: PMC6571845 DOI: 10.3390/molecules24101853] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 05/02/2019] [Accepted: 05/10/2019] [Indexed: 12/02/2022] Open
Abstract
The transition towards a bio-based world is a challenging undertaking. This perspective paper, from an engineering point of view, aims to provide an overview of existing projects and academic disciplines highlighting the potential benefit of increased interdisciplinary exchanges. Furthermore, the current utilization of biomass to produce biogas is discussed, including an economic assessment, showing the need for new strategies of biomass valorization. One solution could be the development of separation processes for the isolation of secondary plant metabolites, which have been especially valuable for pharmaceutical applications, e.g., taxotere ® and artemisinin. The economic feasibility is demonstrated in a case study, evaluating the purification potential of curcuminoids from Curcuma longa L. Subsequently, the conclusion discusses the limitations of large-scale industrial applications and the need for new separation techniques as a step towards a bio-based world.
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Affiliation(s)
- Lukas Uhlenbrock
- Institute for Separation and Process Technology, Clausthal University of Technology, 38678 Clausthal-Zellerfeld, Germany.
| | - Reinhard Ditz
- Institute for Separation and Process Technology, Clausthal University of Technology, 38678 Clausthal-Zellerfeld, Germany.
| | - Jochen Strube
- Institute for Separation and Process Technology, Clausthal University of Technology, 38678 Clausthal-Zellerfeld, Germany.
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29
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Oliveira PS, Chaves VC, Soares MSP, Bona NP, Mendonça LT, Carvalho FB, Gutierres JM, Vasconcellos FA, Vizzotto M, Vieira A, Spanevello RM, Reginatto FH, Lencina CL, Stefanello FM. Southern Brazilian native fruit shows neurochemical, metabolic and behavioral benefits in an animal model of metabolic syndrome. Metab Brain Dis 2018; 33:1551-1562. [PMID: 29882020 DOI: 10.1007/s11011-018-0262-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Accepted: 05/29/2018] [Indexed: 01/03/2023]
Abstract
In this work, we evaluated the effects of Psidium cattleianum (Red Type) (PcRT) fruit extract on metabolic, behavioral, and neurochemical parameters in rats fed with a highly palatable diet (HPD) consisted of sucrose (65% carbohydrates being 34% from condensed milk, 8% from sucrose and 23% from starch, 25% protein and 10% fat). Animals were divided into 4 groups: standard chow, standard chow + PcRT extract (200 mg/Kg/day by gavage), HPD, HPD + extract. The animals were treated for 150 days. Concerning chemical profiling, LC/PDA/MS/MS analysis revealed cyanidin-3-O-glucoside as the only anthocyanin in the PcRT extract. Our results showed that the animals exposed to HPD presented glucose intolerance, increased weight gain and visceral fat, as well as higher serum levels of glucose, triacylglycerol, total cholesterol, LDL-cholesterol and interleukin-6. These alterations were prevented by PcRT. In addition, HPD caused an increase in immobility time in a forced swimming test and the fruit extract prevented this alteration, indicating an antidepressant-like effect. PcRT treatment also prevented increased acetylcholinesterase activity in the prefrontal cortex caused by HPD consumption. Moreover, PcRT extract was able to restore Ca2+-ATPase activity in the prefrontal cortex, hippocampus, and striatum, as well as Na+,K+-ATPase activity in the prefrontal cortex and hippocampus. PcRT treatment decreased thiobarbituric acid-reactive substances, nitrite, and reactive oxygen species levels and prevented the reduction of superoxide dismutase activity in all cerebral structures of the HPD group. Additionally, HPD decreased catalase in the hippocampus and striatum. However, the extract prevented this change in the hippocampus. Our results showed that this berry extract has antihyperglycemic and antihyperlipidemic effects, and neuroprotective properties, proving to be a potential therapeutic agent for individuals with metabolic syndrome.
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Affiliation(s)
- Pathise Souto Oliveira
- Laboratório de Biomarcadores, Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Universidade Federal de Pelotas, Campus Universitário s/n, Pelotas, RS, Brazil
| | - Vitor Clasen Chaves
- Laboratório de Farmacognosia, Programa de Pós-Graduação em Biotecnologia e Biociências, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
| | - Mayara Sandrielly Pereira Soares
- Laboratório de Neuroquímica, Inflamação e Câncer, Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Universidade Federal de Pelotas, Campus Universitário s/n, Pelotas, RS, Brazil
| | - Natália Pontes Bona
- Laboratório de Biomarcadores, Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Universidade Federal de Pelotas, Campus Universitário s/n, Pelotas, RS, Brazil
| | - Lorenço Torres Mendonça
- Laboratório de Biomarcadores, Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Universidade Federal de Pelotas, Campus Universitário s/n, Pelotas, RS, Brazil
| | - Fabiano Barbosa Carvalho
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica Toxicológica, Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Jessié Martins Gutierres
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica Toxicológica, Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Flávia Aleixo Vasconcellos
- Laboratório de Química Aplicada a Bioativos, Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Universidade Federal de Pelotas, Campus Universitário s/n, Pelotas, RS, Brazil
| | - Marcia Vizzotto
- Empresa Brasileira de Pesquisa Agropecuária, Centro de Pesquisa Agropecuária de Clima Temperado, Pelotas, RS, Brazil
| | - Andriele Vieira
- Laboratório de Fisiopatologia, Programa de Pós-Graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, Brazil
| | - Roselia Maria Spanevello
- Laboratório de Neuroquímica, Inflamação e Câncer, Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Universidade Federal de Pelotas, Campus Universitário s/n, Pelotas, RS, Brazil
| | - Flávio Henrique Reginatto
- Laboratório de Farmacognosia, Programa de Pós-Graduação em Biotecnologia e Biociências, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
| | - Claiton Leoneti Lencina
- Laboratório de Biomarcadores, Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Universidade Federal de Pelotas, Campus Universitário s/n, Pelotas, RS, Brazil
| | - Francieli Moro Stefanello
- Laboratório de Biomarcadores, Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Universidade Federal de Pelotas, Campus Universitário s/n, Pelotas, RS, Brazil.
- Universidade Federal de Pelotas, Campus Universitário s/n, CEP, Capão do Leão, RS, 96160-000, Brazil.
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Colalto C. What phytotherapy needs: Evidence-based guidelines for better clinical practice. Phytother Res 2017; 32:413-425. [DOI: 10.1002/ptr.5977] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Revised: 10/12/2017] [Accepted: 10/14/2017] [Indexed: 12/18/2022]
Affiliation(s)
- Cristiano Colalto
- Farmacia San Paolo Dr. Colalto; P.zza De L'Osto 37 37035 San Giovanni Ilarione Verona Italy
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Govindaraju S, Arulselvi PI. Characterization ofColeus aromaticusessential oil and its major constituent carvacrol forin vitroantidiabetic and antiproliferative activities. ACTA ACUST UNITED AC 2017. [DOI: 10.1080/10496475.2017.1369483] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- S. Govindaraju
- Plant and Microbial Biotechnology Lab, Department of Biotechnology, Periyar palkalai nagar, Periyar University, Salem, Tamilnadu, India
| | - P. Indra Arulselvi
- Plant and Microbial Biotechnology Lab, Department of Biotechnology, Periyar palkalai nagar, Periyar University, Salem, Tamilnadu, India
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Zunino V, Meineri G, Bellone G, Vizio B, Prati A, Grandi M, Radice E, Dal Bello F, Medana C. Alcoholic extracts of Epilobium, Urtica dioica and Evernia prunastri with 5-fluorouracil in controlling murine colon carcinoma cell growth in vitro. ACTA ACUST UNITED AC 2017. [DOI: 10.1007/s13596-017-0282-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Sidorova Y, Shipelin V, Mazo V, Zorin S, Petrov N, Kochetkova A. Hypoglycemic and hypolipidemic effect of Vaccinium myrtillus L. leaf and Phaseolus vulgaris L. seed coat extracts in diabetic rats. Nutrition 2017; 41:107-112. [DOI: 10.1016/j.nut.2017.04.010] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Revised: 04/12/2017] [Accepted: 04/20/2017] [Indexed: 11/29/2022]
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Athukuri BL, Neerati P. Enhanced Oral Bioavailability of Diltiazem by the Influence of Gallic Acid and Ellagic Acid in Male Wistar Rats: Involvement of CYP3A and P-gp Inhibition. Phytother Res 2017; 31:1441-1448. [PMID: 28766866 DOI: 10.1002/ptr.5873] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Revised: 03/22/2017] [Accepted: 06/25/2017] [Indexed: 12/15/2022]
Abstract
The oral bioavailability of diltiazem is very low due to rapid first pass metabolism in liver and intestine. The purpose of the study was to investigate the effect of gallic acid and ellagic acid on intestinal transport and oral bioavailability of diltiazem in rats. The intestinal transport and permeability of diltiazem was evaluated by in vitro non-everted sac method and in situ single pass intestinal perfusion study. The oral pharmacokinetics was evaluated by conducting oral bioavailability study. The intestinal transport and apparent permeability of diltiazem were significantly enhanced in duodenum, jejunum, and ileum of gallic and ellagic acid-treated groups. The effective permeability of diltiazem was significantly enhanced in ileum part of gallic and ellagic acid-treated groups. When compared with control group, the presence of these two phytochemicals significantly enhanced the area under plasma concentration-time curve and the peak plasma concentration of diltiazem (Cmax ). Gallic acid and ellagic acid significantly increased the bioavailability of diltiazem due to the inhibition of both CYP3A-mediated metabolism and P-glycoprotein-mediated efflux in the intestine and/or liver. Based on these results, the clinical experiments are warranted for the confirmation to reduce the dose of diltiazem when concomitantly administered with these phytochemicals. Copyright © 2017 John Wiley & Sons, Ltd.
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Affiliation(s)
- Bhargavi Latha Athukuri
- DMPK and Clinical Pharmacology Division, Department of Pharmacology, University College of Pharmaceutical Sciences, Kakatiya University, Warangal, 506 009, TS, India
| | - Prasad Neerati
- DMPK and Clinical Pharmacology Division, Department of Pharmacology, University College of Pharmaceutical Sciences, Kakatiya University, Warangal, 506 009, TS, India
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López-Gil S, Nuño-Lámbarri N, Chávez-Tapia N, Uribe M, Barbero-Becerra VJ. Liver toxicity mechanisms of herbs commonly used in Latin America. Drug Metab Rev 2017; 49:338-356. [PMID: 28571502 DOI: 10.1080/03602532.2017.1335750] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Mexico owns approximately 4500 medicinal plants species, a great diversity that position it at the second place after China. According to the Mexican health department, 90% of common population consumes them to treat various diseases. Additionally, herbal remedies in Latin America (LA) are considered a common practice, but the frequency of use and the liver damage related to its consumption is still unknown. Despite the high prevalence and indiscriminate herbal consumption, the exact mechanism of hepatotoxicity and adverse effects is not fully clarified and is still questioned. Some herb products associated with herb induced liver injury (HILI) are characterized by presenting a different chemical composition that may vary from batch to batch, also the biological activity of many medicinal plants and other natural products are directly related to their most active component and its concentration. There are two main biological components that are associated with liver damage, alkaloids, and flavonoids, which are frequent constituents of commonly used herbs. The interaction with the different cytochrome P-450 isoforms, inflammatory, and oxidative activities seem to be the main damage pathway involved in the liver. It is important to know the herbal adverse effects and mechanisms involved; therefore, this article is focused on the beneficial and deleterious effects as well as the possible toxicity mechanisms and interactions of the herbs that are frequently used in LA, since the herb-host interaction may not always be the expected or desired depending on the clinical context in which it is administered.
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Affiliation(s)
- Sofía López-Gil
- a Translational Research Unit , Medica Sur Clinic & Foundation , Mexico City , Mexico.,b Universidad Popular Autónoma del Estado de Puebla , Puebla , Mexico
| | - Natalia Nuño-Lámbarri
- a Translational Research Unit , Medica Sur Clinic & Foundation , Mexico City , Mexico
| | - Norberto Chávez-Tapia
- a Translational Research Unit , Medica Sur Clinic & Foundation , Mexico City , Mexico.,c Obesity and Digestive Diseases Unit , Medica Sur Clinic & Foundation , Mexico City , Mexico
| | - Misael Uribe
- c Obesity and Digestive Diseases Unit , Medica Sur Clinic & Foundation , Mexico City , Mexico
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Sundarrajan S, Lulu S, Arumugam M. Deciphering the Mechanism of Action of Wrightia tinctoria for Psoriasis Based on Systems Pharmacology Approach. J Altern Complement Med 2017; 23:866-878. [PMID: 28604055 DOI: 10.1089/acm.2016.0248] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVE Psoriasis is a chronic immune-mediated disorder of the skin. The disease manifests itself with red or silvery scaly plaques distributing over the lower back, scalp, and extensor aspects of limbs. Several medications are available for the treatment of psoriasis; however, high rates of remission and side-effects still persist as a major concern. Siddha, one of the traditional systems of Indian medicine offers cure to many dermatological conditions, including psoriasis. The oil prepared from the leaves of Wrightia tinctoria is prescribed by many healers for the treatment of psoriasis. This work aims to decipher the mechanism of action of the W. tinctoria in curing psoriasis and its associated comorbidities. DESIGN The work integrates various pharmacology approaches such as drug-likeness evaluation, oral bioavailability predictions, and network pharmacology approaches to understand the roles of various bioactive components of the herb. RESULTS This work identified 67 compounds of W. tinctoria interacting with 238 protein targets. The compounds were found to act through synergistic mechanism in reviving the disrupted process in the diseased state. CONCLUSION The results of this work not only shed light on the pharmacological action of the herb but also validate the usage of safe herbal drugs.
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Affiliation(s)
- Sudharsana Sundarrajan
- Department of Biotechnology, School of Biosciences and Technology, Vellore Institute of Technology University , Vellore, Tamil Nadu, India
| | - Sajitha Lulu
- Department of Biotechnology, School of Biosciences and Technology, Vellore Institute of Technology University , Vellore, Tamil Nadu, India
| | - Mohanapriya Arumugam
- Department of Biotechnology, School of Biosciences and Technology, Vellore Institute of Technology University , Vellore, Tamil Nadu, India
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Uhlenbrock L, Sixt M, Strube J. Quality-by-Design (QbD) process evaluation for phytopharmaceuticals on the example of 10-deacetylbaccatin III from yew. RESOURCE-EFFICIENT TECHNOLOGIES 2017. [DOI: 10.1016/j.reffit.2017.03.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Ricardo LM, Paula-Souza JD, Andrade A, Brandão MG. Plants from the Brazilian Traditional Medicine: species from the books of the Polish physician Piotr Czerniewicz (Pedro Luiz Napoleão Chernoviz, 1812–1881). REVISTA BRASILEIRA DE FARMACOGNOSIA-BRAZILIAN JOURNAL OF PHARMACOGNOSY 2017. [DOI: 10.1016/j.bjp.2017.01.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Laccourreye O, Werner A, Laccourreye L, Bonfils P. Benefits, pitfalls and risks of phytotherapy in clinical practice in otorhinolaryngology. Eur Ann Otorhinolaryngol Head Neck Dis 2017; 134:95-99. [DOI: 10.1016/j.anorl.2016.11.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Ben Sghaier M, Mousslim M, Pagano A, Ammari Y, Luis J, Kovacic H. β-eudesmol, a sesquiterpene from Teucrium ramosissimum, inhibits superoxide production, proliferation, adhesion and migration of human tumor cell. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2016; 46:227-233. [PMID: 27497729 DOI: 10.1016/j.etap.2016.07.019] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Revised: 07/14/2016] [Accepted: 07/29/2016] [Indexed: 06/06/2023]
Abstract
Reactive oxygen species are well-known mediators of various biological responses. Recently, new homologues of the catalytic subunit of NADPH oxidase have been discovered in non phagocytic cells. These new homologues (Nox1-Nox5) produce low levels of superoxides compared to the phagocytic homologue Nox2/gp91phox. In this study we examined the effect of β-eudesmol, a sesquiterpenoid alcohol isolated from Teucrium ramosissimum leaves, on proliferation, superoxide anion production, adhesion and migration of human lung (A549) and colon (HT29 and Caco-2) cancer cell lines. Proliferation of tumor cells was inhibited by β-eudesmol. It also significantly inhibited superoxide production in A549 cells. Furthermore, β-eudesmol inhibited adhesion and migration of A549 and HT29 cell. These results demonstrate that β-eudesmol may be a novel anticancer agent for the treatment of lung and colon cancer by different ways: by inhibition of superoxide production or by blocking proliferation, adhesion and migration.
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Affiliation(s)
- Mohamed Ben Sghaier
- Laboratory for Forest Ecology, National Institute for Research in Rural Engineering, Water and Forests, University of carthage, BP 10, 2080 Ariana, Tunisie.
| | - Mohamed Mousslim
- Centre de Recherche en Oncologie Biologique et Oncopharmacologie (CRO2), INSERM UMR 911, Faculté de Pharmacie, Marseille, France; Aix-Marseille Université, France
| | - Alessandra Pagano
- Centre de Recherche en Oncologie Biologique et Oncopharmacologie (CRO2), INSERM UMR 911, Faculté de Pharmacie, Marseille, France; Aix-Marseille Université, France
| | - Youssef Ammari
- Laboratory for Forest Ecology, National Institute for Research in Rural Engineering, Water and Forests, University of carthage, BP 10, 2080 Ariana, Tunisie
| | - José Luis
- Centre de Recherche en Oncologie Biologique et Oncopharmacologie (CRO2), INSERM UMR 911, Faculté de Pharmacie, Marseille, France; Aix-Marseille Université, France
| | - Hervé Kovacic
- Centre de Recherche en Oncologie Biologique et Oncopharmacologie (CRO2), INSERM UMR 911, Faculté de Pharmacie, Marseille, France; Aix-Marseille Université, France
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Comparison of Zataria multiflora Extract Syrup and Diphenhydramine in the Treatment of Common Cold-Induced Cough in Children: A Double-Blind, Randomized, Clinical Trial. ARCHIVES OF PEDIATRIC INFECTIOUS DISEASES 2016. [DOI: 10.5812/pedinfect.35495] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Xavier CP, Pereira-Wilson C. Medicinal plants of the genuses Salvia and Hypericum are sources of anticolon cancer compounds: Effects on PI3K/Akt and MAP kinases pathways. PHARMANUTRITION 2016. [DOI: 10.1016/j.phanu.2015.11.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Rezaei A, Farzadfard A, Amirahmadi A, Alemi M, Khademi M. Diabetes mellitus and its management with medicinal plants: A perspective based on Iranian research. JOURNAL OF ETHNOPHARMACOLOGY 2015; 175:567-616. [PMID: 26283471 DOI: 10.1016/j.jep.2015.08.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2014] [Revised: 08/10/2015] [Accepted: 08/11/2015] [Indexed: 06/04/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Complementary and alternative medicine has been increasingly used to treat chronic illnesses, such as diabetes mellitus. However, various limitations in terms of their application and efficacies exist. Furthermore, there is still much to be done to discover the right herbal medicine for diabetes. AIM OF THE STUDY This paper aims to evaluate previous herbal studies on the management of diabetes mellitus, to address their strengths and weaknesses and propose a general framework for future studies. APPROACH AND METHODS Data sources such as PubMed, ScienceDirect, Scopus, SpringerLink, and Wiley were searched, limited to Iran, using 36 search terms such as herbal, traditional, medicine, and phytopharmacy in combination with diabetes and related complications. Reviewed articles were evaluated regarding the use of botanical nomenclature and included information on (1) identity of plants and plant parts used, (2) the processing procedure, and (3) the extraction process. The main outcomes were extracted and then surveyed in terms of the efficacies of herbs in the management of diabetes mellitus. Then a comparative study was performed between Iranian and non-Iranian studies with respect to herbs best studied in Iran. RESULTS Of the 82 herbs studied in Iran, only six herbs were endemic and 19 were studied in detail. Although most of the reviewed herbs were found to decrease the level of blood glucose (BG) and/or glycated hemoglobin (HbA1C) in both Iranian and non-Iranian studies, information on their pharmacological mechanisms is scarce. However, the level of HbA1C was measured in a limited number of clinical trials or animal studies. Available information on both short- and long-term use of studied herbs on diabetes related complications and functions of involved organs as well as comorbid depression and/or simultaneous changes in lifestyle is also insufficient. Furthermore, little or no information on their phytochemical, toxicological, and herb-drug interaction properties is available. It is worth noting that the efficacy of the reviewed herbs has been studied scarcely in both humans and animals regarding both Iranian and non-Iranian studies. A significant number of reviewed articles failed to cite the scientific name of herbs and include information on the processing procedure and the extraction process. CONCLUSIONS Treatment of diabetes mellitus as a multifactorial disease using herbal medicines requires a comprehensive approach. In order to discover the right herbal medicine for the management of diabetes many other important factors than the levels of BG, HbA1C and insulin should be considered. According to our criteria, all the reviewed herbs suffered from inadequate investigation in human, animal and in vitro models in this respect, whereas they are worth investigating further. However, more research on endemic plants and the traditional history of herbal medicine is warranted. In our opinion, the pharmacological, toxicological, and phytochemical information should be obtained before clinical trials. Furthermore, information such as botanical scientific nomenclature, side effects, and toxicity will improve the quality and validity of publications in herbal research. In particular, designing a database covering all valid information about herbs and/or diseases will decrease unnecessary costs and increase the efficiency of research.
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Affiliation(s)
- Arezou Rezaei
- School of Biology, Damghan University, Damghan, Iran; Institute of Biological Sciences, Damghan University, Damghan, Iran.
| | - Azad Farzadfard
- School of Biology, College of Science, University of Tehran, Tehran, Iran
| | - Atefe Amirahmadi
- School of Biology, Damghan University, Damghan, Iran; Institute of Biological Sciences, Damghan University, Damghan, Iran
| | - Maasoomeh Alemi
- School of Biology, Damghan University, Damghan, Iran; Institute of Biological Sciences, Damghan University, Damghan, Iran
| | - Mitra Khademi
- Institute for Advanced Studies in Basic Sciences, Zanjan, Iran
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D'Ambrosio M, Ciocarlan A, Colombo E, Guerriero A, Pizza C, Sangiovanni E, Dell'Agli M. Structure and cytotoxic activity of sesquiterpene glycoside esters from Calendula officinalis L.: Studies on the conformation of viridiflorol. PHYTOCHEMISTRY 2015; 117:1-9. [PMID: 26057223 DOI: 10.1016/j.phytochem.2015.05.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2015] [Revised: 05/05/2015] [Accepted: 05/14/2015] [Indexed: 06/04/2023]
Abstract
Topic applications of Calendula officinalis L. lipophilic extracts are used in phytotherapy to relieve skin inflammatory conditions whereas infusions are used as a remedy for gastric complaints. Such a different usage might be explained by some cytotoxicity of lipophilic extracts at gastric level but little is known about this. Therefore, we screened the CH2Cl2 extract from the flowers of C. officinalis by MTT and LDH assays in human epithelial gastric cells AGS. This bioassay-oriented approach led to the isolation of several sesquiterpene glycosides which were structurally characterized by spectroscopic measurements, chemical reactions and MM calculations. The conformational preferences of viridiflorol fucoside were established and a previously assigned stereochemistry was revised. The compounds 1a, 2a and 3f showed comparably high cytotoxicity in the MTT assays, whereas the effect on LDH release was lower. Our study provides new insights on the composition of C. officinalis extracts of medium polarity and identifies the main compounds that could be responsible for cytotoxic effects at gastric level.
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Affiliation(s)
- Michele D'Ambrosio
- Laboratory of Bioorganic Chemistry, Department of Physics, Università degli Studi di Trento, 38123 Trento, Italy.
| | - Alexandru Ciocarlan
- Laboratory of Bioorganic Chemistry, Department of Physics, Università degli Studi di Trento, 38123 Trento, Italy
| | - Elisa Colombo
- Laboratory of Pharmacognosy, Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, 20133 Milan, Italy
| | - Antonio Guerriero
- Laboratory of Bioorganic Chemistry, Department of Physics, Università degli Studi di Trento, 38123 Trento, Italy
| | - Cosimo Pizza
- Dipartimento di Farmacia, Università degli Studi di Salerno, 84084 Fisciano (SA), Italy
| | - Enrico Sangiovanni
- Laboratory of Pharmacognosy, Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, 20133 Milan, Italy
| | - Mario Dell'Agli
- Laboratory of Pharmacognosy, Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, 20133 Milan, Italy
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Ramachandran V, Saravanan R. Glucose uptake through translocation and activation of GLUT4 in PI3K/Akt signaling pathway by asiatic acid in diabetic rats. Hum Exp Toxicol 2015; 34:884-93. [DOI: 10.1177/0960327114561663] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
In this study, we examined the in vivo effect and the mechanism of asiatic acid (AA) on glucose uptake in an insulin target skeletal muscle. Diabetic rats showed significantly increased levels of plasma glucose, thiobarbituric acid reactive substances, and lipid hydroperoxides, decreased levels of insulin and antioxidants, and impairment in insulin-signaling proteins such as insulin receptor (IR), insulin receptor substrate (IRS)-1/2, phosphoinositide 3-kinase (PI3K), Akt, and glucose transporter 4 (GLUT4) proteins. Oral treatment with AA (20 mg/kg body weight) showed near-normalized levels of plasma glucose, lipid peroxidation products, and antioxidants and improved insulin, IR, IRS-1/2, PI3K, Akt, and GLUT4 proteins. These findings suggest that AA improves glucose response by increasing GLUT4 in skeletal muscle through Akt and antioxidant defense in plasma and it also improves glucose homeostasis.
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Affiliation(s)
- V Ramachandran
- Faculty of Science, Department of Biochemistry and Biotechnology, Annamalai University, Annamalainagar, Tamil Nadu, India
| | - R Saravanan
- Faculty of Science, Department of Biochemistry and Biotechnology, Annamalai University, Annamalainagar, Tamil Nadu, India
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Sodagari HR, Farzaei MH, Bahramsoltani R, Abdolghaffari AH, Mahmoudi M, Rezaei N. Dietary anthocyanins as a complementary medicinal approach for management of inflammatory bowel disease. Expert Rev Gastroenterol Hepatol 2015; 9:807-20. [PMID: 25586636 DOI: 10.1586/17474124.2015.1002086] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Inflammatory bowel disease (IBD) is thought to result from a chronic or relapsing activation of the immune system in the GI tract. A growing body of evidence confirms the health benefits of dietary anthocyanins as plant-derived natural agents. The aim of this review is to provide an overview of several natural products rich in anthocyanins used worldwide for the treatment of IBD. Anthocyanins possess both protective and therapeutic functions in the management of IBD by alleviating oxidative stress processes, cytoprotective functions, downregulation of inflammatory cytokines and suppressing cellular signaling pathways of inflammatory processes. In conclusion, the consumption of anthocyanin-rich natural formulations must be promoted on the basis of their possible function in the prevention and treatment of gastrointestinal inflammatory disorders.
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Affiliation(s)
- Hamid Reza Sodagari
- Young Researchers and Elite Club, Karaj Branch, Islamic Azad University, Karaj, Iran
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In vitro antioxidant, cytotoxic, thrombolytic activities and phytochemical evaluation of methanol extract of the A. philippense L. leaves. Asian Pac J Trop Biomed 2015; 3:464-9. [PMID: 23730559 DOI: 10.1016/s2221-1691(13)60097-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2013] [Accepted: 05/23/2013] [Indexed: 11/20/2022] Open
Abstract
OBJECTIVE To study the leaves of Adiantum philippense L. for their antioxidant, cytotoxicity and thrombolytic activities and to perform phytochemical evaluation. METHODS In-vitro antioxidant activity of extract was studied using DPPH radical scavenging, reducing power, total phenol and total flavonoid content determination assays. The cytotoxic activity was determined using brine shrimp lethality bioassay, thrombolytic activity by clot disruption and phytochemical potential by qualitative analysis. RESULTS The antioxidant activity of the extracts was found promising. The reducing power of this crude extract increase with the increase of concentration; IC50 values of DPPH scavenging activity was (140.00±0.86) µg/mL as compared to ascorbic acid [IC50 (130.00±0.76) µg/mL]; Total phenol and total flavonoids content were (148.26±0.24) mg/mL and (163.06±0.56) mg/mL respectively. In cytotoxicity assay the LC50 values of the sample was (106.41±0.78) µg/mL where as for standard vincristin sulphate was (08.50±0.24) µg/mL as a positive control and the extract shows (12.86±1.02)% clot lytic whereas standard streptokinase shows (30.86±0.44% clot lytic activity in thrombolytic assay. The phytochemical evaluation indicates the presence of chemical constituents including carbohydrates, alkaloids, saponins, glycosides, flavonoids. CONCLUSIONS This study shows that the methanol extract of leaves of Adiantum philippense L. has bioactivity but further compound isolation is necessary to confirm the activities of individual compounds.
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Alani B, Zare M, Noureddini M. Bronchodilatory and B-adrenergic effects of methanolic and aqueous extracts of Althaea root on isolated tracheobronchial smooth rat muscle. Adv Biomed Res 2015; 4:78. [PMID: 25879003 PMCID: PMC4386210 DOI: 10.4103/2277-9175.153905] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2013] [Accepted: 09/22/2013] [Indexed: 11/11/2022] Open
Abstract
BACKGROUND The smooth muscle contractions of the tracheobronchial airways are mediated through the balance of adrenergic, cholinergic and peptidergic nervous mechanisms. This research was designed to determine the bronchodilatory and B-adrenergic effects of methanolic and aqueous extracts of root Althaea on the isolated tracheobronchial smooth muscle of the rat. MATERIALS AND METHODS In this experimental study, 116 tracheobronchial sections (5 mm) from 58 healthy male Sprague-Dawley rats were dissected and divided into 23 groups. The effect of methanolic and aqueous extracts of the root Althaea was assayed at different concentrations (0.2, 0.6, 2.6, 6.6, 14.6 μg/ml) and epinephrine (5 μm) in the presence and absence of propranolol (1 μM) under one g tension based on the isometric method. This assay was recorded in an organ bath containing Krebs-Henseleit solution for tracheobronchial smooth muscle contractions using potassium chloride (KCl) (60 mM) induction. RESULTS Epinephrine (5 μm) alone and root methanolic and aqueous extract concentrations (0.6-14.6 μg/ml) reduced tracheobronchial smooth muscle contractions induced using KCl (60 mM) in a dose dependent manner. Propranolol inhibited the antispasmodic effect of epinephrine on tracheobronchial smooth muscle contractions, but could not reduce the antispasmodic effect of the root extract concentrations. CONCLUSION The methanolic and aqueous extracts of Althaea root inhibited the tracheobronchial smooth muscle contractions of rats in a dose dependent manner, but B-adrenergic receptors do not appear to engage in this process. Understanding the mechanism of this process can be useful in the treatment of pulmonary obstructive diseases like asthma.
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Affiliation(s)
- Behrang Alani
- Department of Genetic and Molecular Biology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
- Department of Applied Cell Science, Kashan University of Medical Sciences, Kashan, Iran
| | - Mohammad Zare
- Department of Neuroscience Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
- Department of Neurology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mahdi Noureddini
- Department of Applied Cell Science, Kashan University of Medical Sciences, Kashan, Iran
- Department of Physiology, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, Iran
- Physiology Research Center, Kashan University of Medical Sciences, Kashan, Iran
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Seeff LB, Bonkovsky HL, Navarro VJ, Wang G. Herbal products and the liver: a review of adverse effects and mechanisms. Gastroenterology 2015; 148:517-532.e3. [PMID: 25500423 DOI: 10.1053/j.gastro.2014.12.004] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2014] [Revised: 12/02/2014] [Accepted: 12/08/2014] [Indexed: 02/06/2023]
Abstract
Herbal products have been used for centuries among indigenous people to treat symptoms and illnesses. Recently, their use in Western countries has grown significantly, rivaling that of prescription medications. Currently, herbal products are used mainly for weight loss and bodybuilding purposes but also to improve well-being and symptoms of chronic diseases. Many people believe that because they are natural, they must be effective and safe; however, these beliefs are erroneous. Few herbal products have been studied in well-designed controlled trials of patients with liver or other diseases, despite testimony to the contrary. Moreover, current highly effective antiviral drugs make efforts to treat hepatitis C with herbal products redundant. Herbal products are no safer than conventional drugs and have caused liver injury severe enough to require transplantation or cause death. Furthermore, their efficacy, safety, and claims are not assessed by regulatory agencies, and there is uncertainty about their reported and unreported contents. We review the history of commonly used herbal products, as well as their purported efficacies and mechanisms and their adverse effects.
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Affiliation(s)
| | - Herbert L Bonkovsky
- Liver Digestive & Metabolic Disorders Laboratory, Carolinas HealthCare System, Charlotte, North Carolina
| | - Victor J Navarro
- Jefferson Medical College, Einstein Healthcare Network, Philadelphia, Pennsylvania
| | - Guqi Wang
- Carolinas HealthCare System, Charlotte, North Carolina
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Engebretsen KA, Johansen JD, Thyssen JP. Herbal medicine as a cause of recurrent facial oedema. Contact Dermatitis 2015; 72:342-4. [DOI: 10.1111/cod.12364] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2015] [Revised: 01/08/2015] [Accepted: 01/12/2015] [Indexed: 11/30/2022]
Affiliation(s)
- Kristiane A. Engebretsen
- Department of Dermato-Allergology; National Allergy Research Centre, Gentofte University Hospital, University of Copenhagen; DK-2900 Hellerup Denmark
| | - Jeanne D. Johansen
- Department of Dermato-Allergology; National Allergy Research Centre, Gentofte University Hospital, University of Copenhagen; DK-2900 Hellerup Denmark
| | - Jacob P. Thyssen
- Department of Dermato-Allergology; National Allergy Research Centre, Gentofte University Hospital, University of Copenhagen; DK-2900 Hellerup Denmark
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