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Gad El-Hak HN, Mohallal EME, Abomosallam M. Reproductive and developmental safety evaluation of Thymelaea hirsuta (L.) leaves aqueous extract in Wistar albino rats. JOURNAL OF ETHNOPHARMACOLOGY 2025; 336:118729. [PMID: 39182699 DOI: 10.1016/j.jep.2024.118729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2024] [Revised: 08/16/2024] [Accepted: 08/21/2024] [Indexed: 08/27/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The popularity of herbal medicine is expanding globally due to the common belief that herbal products are natural and nontoxic. Thymelaea hirsuta leaves are traditionally used for the treatment of recurrent abortion in humans and animals. However, a lack of safety evaluation of the plant, particularly in pregnant women, raises serious concerns regarding its potential embryotoxic effects. AIM OF THE STUDY Therefore, the present study investigated the safety of Thymelaea hirsuta leaves aqueous extract (THLE) during pregnancy and lactation following maternal rat treatment. MATERIALS AND METHODS THLE phytochemical compounds were identified using high-performance liquid chromatography (HPLC). THLE was orally administered to pregnant rats and lactating dams at dosages of 0, 250, 500, and 1000 mg/kg/day. At the end of the study, dam s' and pups' body weights, serum biochemical and hematological indices, and histopathological changes were investigated. For the fetal observation and histopathological changes were also evaluated. RESULTS Our findings revealed that THLE is rich in different phenolic and flavonoid compounds. However, biochemical and hormonal parameters such as ALT, AST, and prolactin were significantly increased in dams treated with a higher dosage of THLE when compared to the control dams (P ≤ 0.05). Additionally, external, visceral and skeletal examinations of fetuses revealed a marked increase of malformation rates in treated fetuses. CONCLUSIONS The results revealed that higher oral dosing of THLE during pregnancy could affect embryonic development in rats, while lower doses are safe and can be used during pregnancy and lactation to attain its beneficial effects.
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Affiliation(s)
| | | | - Mohamed Abomosallam
- Forensic Medicine and Toxicology Department, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt.
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2
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Saadh MJ, Mustafa MA, Malathi H, Ahluwalia G, Kaur S, Al-Dulaimi MAAH, Alubiady MHS, Zain Al-Abdeen SH, Shakier HG, Ali MS, Ahmad I, Abosaoda MK. Targeting the pancreatic tumor microenvironment by plant-derived products and their nanoformulations. Med Oncol 2024; 41:201. [PMID: 39001987 DOI: 10.1007/s12032-024-02443-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2024] [Accepted: 06/27/2024] [Indexed: 07/15/2024]
Abstract
Pancreatic cancer remains a significant health issue with limited treatment options. The tumor stroma, a complex environment made up of different cells and proteins, plays a crucial role in tumor growth and chemoresistance. Targeting tumor stroma, consisting of diverse non-tumor cells such as fibroblasts, extracellular matrix (ECM), immune cells, and also pre-vascular cells is encouraging for remodeling solid cancers, such as pancreatic cancer. Remodeling the stroma of pancreas tumors can be suggested as a strategy for reducing resistance to chemo/immunotherapy. Several studies have shown that phytochemicals from plants can affect the tumor environment and have anti-cancer properties. By targeting key pathways involved in stromal activation, phytochemicals may disrupt communication between the tumor and stroma and make tumor cells more sensitive to different treatments. Additionally, phytochemicals have immunomodulatory and anti-angiogenic properties, all of which contribute to their potential in treating pancreatic cancer. This review will provide a detailed look at how phytochemicals impact the tumor stroma and their effects on pancreatic tumor growth, spread, and response to treatment. It will also explore the potential of combining phytochemicals with other treatment options like chemotherapy, immunotherapy, and radiation.
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Affiliation(s)
- Mohamed J Saadh
- Faculty of Pharmacy, Middle East University, Amman, 11831, Jordan
| | - Mohammed Ahmed Mustafa
- Department of Medical Laboratory Technology, University of Imam Jaafar AL-Sadiq, Baghdad, Iraq
| | - H Malathi
- Department of Biotechnology and Genetics, School of Sciences, JAIN (Deemed to Be University), Bangalore, Karnataka, India
| | - Gunveen Ahluwalia
- Department of Allied Healthcare and Sciences, Vivekananda Global University, Jaipur, 303012, Rajasthan, India
| | - Sumeet Kaur
- Department of Applied Sciences, Chandigarh Engineering Colleges, Chandigarh Group of Colleges, Jhanjeri, 140307, Mohali, Punjab, India
| | | | | | | | | | | | - Irfan Ahmad
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia.
| | - Munther Kadhim Abosaoda
- College of Pharmacy, The Islamic University, Najaf, Iraq
- College of Pharmacy, The Islamic University of Al Diwaniyah, Al Diwaniyah, Iraq
- College of Pharmacy, The Islamic University of Babylon, Babylon, Iraq
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3
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Zhou Y, Wang F, Li G, Xu J, Zhang J, Gullen E, Yang J, Wang J. From immune checkpoints to therapies: understanding immune checkpoint regulation and the influence of natural products and traditional medicine on immune checkpoint and immunotherapy in lung cancer. Front Immunol 2024; 15:1340307. [PMID: 38426097 PMCID: PMC10902058 DOI: 10.3389/fimmu.2024.1340307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 01/29/2024] [Indexed: 03/02/2024] Open
Abstract
Lung cancer is a disease of global concern, and immunotherapy has brought lung cancer therapy to a new era. Besides promising effects in the clinical use of immune checkpoint inhibitors, immune-related adverse events (irAEs) and low response rates are problems unsolved. Natural products and traditional medicine with an immune-modulating nature have the property to influence immune checkpoint expression and can improve immunotherapy's effect with relatively low toxicity. This review summarizes currently approved immunotherapy and the current mechanisms known to regulate immune checkpoint expression in lung cancer. It lists natural products and traditional medicine capable of influencing immune checkpoints or synergizing with immunotherapy in lung cancer, exploring both their effects and underlying mechanisms. Future research on immune checkpoint modulation and immunotherapy combination applying natural products and traditional medicine will be based on a deeper understanding of their mechanisms regulating immune checkpoints. Continued exploration of natural products and traditional medicine holds the potential to enhance the efficacy and reduce the adverse reactions of immunotherapy.
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Affiliation(s)
- Yibin Zhou
- Department of Hematology and Oncology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Fenglan Wang
- Department of Hematology and Oncology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Guangda Li
- Department of Hematology and Oncology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Jing Xu
- Department of Hematology and Oncology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Jingjing Zhang
- Department of Hematology and Oncology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Elizabeth Gullen
- Department of Pharmacology, Yale Medical School, New Haven, CT, United States
| | - Jie Yang
- Department of Hematology and Oncology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Jing Wang
- Department of Hematology and Oncology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
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4
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Zhou Y, Moon JH, Kim JT, Qiu S, Lee SB, Park HJ, Son MJ, Lee GY, Kwon JW, Park SH, Auh JH, Lee HJ. Curcumol metabolized by rat liver S9 fraction and orally administered in mouse suppressed the proliferation of colon cancer in vitro and in vivo. Food Sci Biotechnol 2024; 33:171-180. [PMID: 38186621 PMCID: PMC10767046 DOI: 10.1007/s10068-023-01321-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 04/15/2023] [Accepted: 04/20/2023] [Indexed: 01/09/2024] Open
Abstract
Following 3R (reduction, refinement, and replacement) principles, we employed the rat liver S9 fraction to mimic liver metabolism of curcumol having high in vitro IC50 on cancer cells. In HCT116 and HT29 colon cancer cells, the metabolites of curcumol by S9 fraction exerted more enhanced activity in inducing cell cycle arrest and apoptosis via regulating the expression of cyclin D1, CDK1, p21, PARP and Bcl-2 than curcumol. In addition, oral administration of curcumol at 4 mg/kg BW significantly suppressed the development of colon tumor induced by azoxymethane/dextran sulfate sodium, and induced cell cycle arrest and apoptosis in tumor tissues. In mass analysis, curcumenol and curzerene were identified as the metabolites of curcumol by S9 fraction metabolism. Taken together, curcumol metabolites showed the enhanced suppressive effect on colon cancer, suggesting that S9 fraction can be considered as simple, fast, and bio-mimicking platform for the screening of chemical libraries on different chronic diseases.
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Affiliation(s)
- Yimeng Zhou
- Department of Food Science and Biotechnology, Chung-Ang University, Anseong, 17546 South Korea
| | - Ji Hyun Moon
- Department of Food Science and Biotechnology, Chung-Ang University, Anseong, 17546 South Korea
| | - Jin Tae Kim
- Department of Food Science and Biotechnology, Chung-Ang University, Anseong, 17546 South Korea
| | - Shuai Qiu
- Department of Food Science and Biotechnology, Chung-Ang University, Anseong, 17546 South Korea
| | - Seung Beom Lee
- Department of Food Science and Biotechnology, Chung-Ang University, Anseong, 17546 South Korea
| | - Ho Jin Park
- Department of Food Science and Biotechnology, Chung-Ang University, Anseong, 17546 South Korea
| | - Moon Jeong Son
- Department of Food Science and Biotechnology, Chung-Ang University, Anseong, 17546 South Korea
| | - Ga Yeon Lee
- Department of Food Science and Biotechnology, Chung-Ang University, Anseong, 17546 South Korea
| | - Jung Won Kwon
- Department of Food Science and Biotechnology, Chung-Ang University, Anseong, 17546 South Korea
| | - So-Hyeon Park
- Department of Food Science and Biotechnology, Chung-Ang University, Anseong, 17546 South Korea
| | - Joong-Hyuck Auh
- Department of Food Science and Biotechnology, Chung-Ang University, Anseong, 17546 South Korea
| | - Hong Jin Lee
- Department of Food Science and Biotechnology, Chung-Ang University, Anseong, 17546 South Korea
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5
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Malík M, Mika OJ, Navrátilová Z, Killi UK, Tlustoš P, Patočka J. Health and Environmental Hazards of the Toxic Pteridium aquilinum (L.) Kuhn (Bracken Fern). PLANTS (BASEL, SWITZERLAND) 2023; 13:18. [PMID: 38202326 PMCID: PMC10780724 DOI: 10.3390/plants13010018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 12/13/2023] [Accepted: 12/18/2023] [Indexed: 01/12/2024]
Abstract
Bracken fern (Pteridium aquilinum (L.) Kuhn) is ubiquitous and acts as a cosmopolitan weed in pastures and similar environments. Despite its historical uses, it presents risks due to toxicity. This study, conducted in the second half of 2023, aimed to assess the environmental and health hazards of P. aquilinum, primarily focusing on its carcinogenic compound, ptaquiloside. The literature was comprehensively reviewed using diverse databases, including PubMed, Web of Science, Scopus, and Google Scholar. Information was synthesized from original research articles, meta-analyses, systematic reviews, and relevant animal studies. Animals grazing on bracken fern face annual production losses due to toxin exposure. The substantial impact on biodiversity, animal health, and human well-being arises from the presence of ptaquiloside and related compounds in milk, meat, and water, along with the increasing global prevalence of P. aquilinum and its swift colonization in acidic soil and fire-damaged areas. The objectives were to identify major bioactive compounds and explore their effects at molecular, cellular, pathological, and population levels. Various cooking techniques were considered to mitigate toxin exposure, although complete elimination remains unattainable. Therefore, the findings emphasize the need for cautious consumption. In conclusion, continued research is necessary to better understand and manage its environmental and health implications.
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Affiliation(s)
- Matěj Malík
- Department of Agroenvironmental Chemistry and Plant Nutrition, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Praha 6-Suchdol, Czech Republic; (M.M.); (P.T.)
| | - Otakar Jiří Mika
- Department of Crisis Management, Faculty of Security Management, Police Academy of the Czech Republic, Lhotecká 559/7, 143 01 Praha 4, Czech Republic
- Department of Radiology, Toxicology and Civil Protection, Faculty of Health and Social Studies, University of South Bohemia, J. Boreckého 1167/27, 370 11 České Budějovice, Czech Republic; (U.K.K.); (J.P.)
| | - Zdeňka Navrátilová
- Department of Botany, Faculty of Science, Charles University, Benátská 433/2, 128 00 Praha 2, Czech Republic;
| | - Uday Kumar Killi
- Department of Radiology, Toxicology and Civil Protection, Faculty of Health and Social Studies, University of South Bohemia, J. Boreckého 1167/27, 370 11 České Budějovice, Czech Republic; (U.K.K.); (J.P.)
| | - Pavel Tlustoš
- Department of Agroenvironmental Chemistry and Plant Nutrition, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Praha 6-Suchdol, Czech Republic; (M.M.); (P.T.)
| | - Jiří Patočka
- Department of Radiology, Toxicology and Civil Protection, Faculty of Health and Social Studies, University of South Bohemia, J. Boreckého 1167/27, 370 11 České Budějovice, Czech Republic; (U.K.K.); (J.P.)
- Department of Chemistry, Faculty of Science, University of Hradec Králové, Hradecká 1285, 500 03 Hradec Králové, Czech Republic
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6
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Dey P. Gut microbial considerations and feasibility of phytochemicals as anti-COVID prophylaxis: Critical role of bioavailability. Phytother Res 2023; 37:4301-4303. [PMID: 36597204 DOI: 10.1002/ptr.7722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/19/2022] [Accepted: 12/27/2022] [Indexed: 01/05/2023]
Affiliation(s)
- Priyankar Dey
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, India
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7
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Nsairat H, Lafi Z, Al-Sulaibi M, Gharaibeh L, Alshaer W. Impact of nanotechnology on the oral delivery of phyto-bioactive compounds. Food Chem 2023; 424:136438. [PMID: 37244187 DOI: 10.1016/j.foodchem.2023.136438] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 05/17/2023] [Accepted: 05/18/2023] [Indexed: 05/29/2023]
Abstract
Nanotechnology is an advanced field that has remarkable nutraceutical and food applications. Phyto-bioactive compounds (PBCs) play critical roles in promoting health and disease treatment. However, PBCs generally encounter several limitations that delay their widespread application. For example, most PBCs have low aqueous solubility, poor biostability, poor bioavailability, and a lack of target specificity. Moreover, the high concentrations of effective PBC doses also limit their application. As a result, encapsulating PBCs into an appropriate nanocarrier may increase their solubility and biostability and protect them from premature degradation. Moreover, nanoencapsulation could improve absorption and prolong circulation with a high opportunity for targeted delivery that may decrease unwanted toxicity. This review addresses the main parameters, variables, and barriers that control and affect oral PBC delivery. Moreover, this review discusses the potential role of biocompatible and biodegradable nanocarriers in improving the water solubility, chemical stability, bioavailability, and specificity/selectivity of PBCs.
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Affiliation(s)
- Hamdi Nsairat
- Pharmacological and Diagnostic Research Center, Faculty of Pharmacy, Al-Ahliyya Amman University, Amman 19328, Jordan.
| | - Zainab Lafi
- Pharmacological and Diagnostic Research Center, Faculty of Pharmacy, Al-Ahliyya Amman University, Amman 19328, Jordan
| | - Mazen Al-Sulaibi
- Pharmacological and Diagnostic Research Center, Faculty of Pharmacy, Al-Ahliyya Amman University, Amman 19328, Jordan
| | - Lobna Gharaibeh
- Pharmacological and Diagnostic Research Center, Faculty of Pharmacy, Al-Ahliyya Amman University, Amman 19328, Jordan
| | - Walhan Alshaer
- Cell Therapy Center, The University of Jordan, Amman 11942, Jordan.
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8
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Liu K, Sun Q, Liu Q, Li H, Zhang W, Sun C. Focus on immune checkpoint PD-1/PD-L1 pathway: New advances of polyphenol phytochemicals in tumor immunotherapy. Biomed Pharmacother 2022; 154:113618. [DOI: 10.1016/j.biopha.2022.113618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 08/19/2022] [Accepted: 08/27/2022] [Indexed: 11/02/2022] Open
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9
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Kan J, Wu F, Wang F, Zheng J, Cheng J, Li Y, Yang Y, Du J. Phytonutrients: Sources, bioavailability, interaction with gut microbiota, and their impacts on human health. Front Nutr 2022; 9:960309. [PMID: 36051901 PMCID: PMC9424995 DOI: 10.3389/fnut.2022.960309] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 07/11/2022] [Indexed: 12/13/2022] Open
Abstract
Phytonutrients are natural bioactive components present in the daily diet that can exert a positive impact on human health. Studies have shown that phytonutrients may act as antioxidants and improve metabolism after being ingested, which help to regulate physiological processes and prevent metabolic disorders and diseases. However, their efficacy is limited by their low bioavailability. The gut microbiota is symbiotic with humans and its abundance and profile are related to most diseases. Interestingly, studies have shown that the gut microbiota is associated with the metabolism of phytonutrients by converting them into small molecules that can be absorbed by the body, thereby enhancing their bioavailability. Furthermore, phytonutrients can modulate the composition of the gut microbiota, and therefore improve the host's health. Here, we focus on uncovering the mechanisms by which phytonutrients and gut microbiota play roles in health, and the interrelationships between phytonutrients and gut microbiota were summarized. We also reviewed the studies that reported the efficacy of phytonutrients in human health and the future directions.
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Affiliation(s)
- Juntao Kan
- Nutrilite Health Institute, Shanghai, China
| | - Feng Wu
- Sequanta Technologies Co., Ltd., Shanghai, China
| | | | | | - Junrui Cheng
- Department of Molecular and Structural Biochemistry, North Carolina State University, Kannapolis, NC, United States
| | - Yuan Li
- Sequanta Technologies Co., Ltd., Shanghai, China
| | - Yuexin Yang
- Chinese Center for Disease Control and Prevention, National Institute for Nutrition and Health, Beijing, China
- Yuexin Yang
| | - Jun Du
- Nutrilite Health Institute, Shanghai, China
- *Correspondence: Jun Du
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10
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Zheng T, Yin Z, Huang Q. Assessment of Digestion, Absorption, and Metabolism of Nanoencapsulated Phytochemicals Using In Vitro and In Vivo Models: A Perspective Paper. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:4548-4555. [PMID: 35385653 DOI: 10.1021/acs.jafc.1c07919] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Nanoencapsulation delivery systems have been used to enhance the absorption and bioefficacy of phytochemicals. With modified physical and chemical properties, nanoencapsulated phytochemicals differ from their free forms in digestion, absorption, and metabolism. These pharmacokinetic processes can be assessed using a combination of various in vitro/in vivo models and analytical strategies, but each approach has its limitations. The correlation between current models and physiological conditions and their feasibility for nanoencapsulation systems require further validation. More detailed studies are still needed to clarify how nanoencapsulation affects the phytochemical and host interaction. Future investigations must take extra caution in model selection and result interpretation.
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Affiliation(s)
- Ting Zheng
- Department of Food Science, Rutgers University, 65 Dudley Road, New Brunswick, New Jersey 08901, United States
| | - Zhiya Yin
- Department of Food Science, Rutgers University, 65 Dudley Road, New Brunswick, New Jersey 08901, United States
| | - Qingrong Huang
- Department of Food Science, Rutgers University, 65 Dudley Road, New Brunswick, New Jersey 08901, United States
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11
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Mazurakova A, Koklesova L, Samec M, Kudela E, Kajo K, Skuciova V, Csizmár SH, Mestanova V, Pec M, Adamkov M, Al-Ishaq RK, Smejkal K, Giordano FA, Büsselberg D, Biringer K, Golubnitschaja O, Kubatka P. Anti-breast cancer effects of phytochemicals: primary, secondary, and tertiary care. EPMA J 2022; 13:315-334. [PMID: 35437454 PMCID: PMC9008621 DOI: 10.1007/s13167-022-00277-2] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 03/21/2022] [Indexed: 02/07/2023]
Abstract
Breast cancer incidence is actually the highest one among all cancers. Overall breast cancer management is associated with challenges considering risk assessment and predictive diagnostics, targeted prevention of metastatic disease, appropriate treatment options, and cost-effectiveness of approaches applied. Accumulated research evidence indicates promising anti-cancer effects of phytochemicals protecting cells against malignant transformation, inhibiting carcinogenesis and metastatic spread, supporting immune system and increasing effectiveness of conventional anti-cancer therapies, among others. Molecular and sub-/cellular mechanisms are highly complex affecting several pathways considered potent targets for advanced diagnostics and cost-effective treatments. Demonstrated anti-cancer affects, therefore, are clinically relevant for improving individual outcomes and might be applicable to the primary (protection against initial cancer development), secondary (protection against potential metastatic disease development), and tertiary (towards cascading complications) care. However, a detailed data analysis is essential to adapt treatment algorithms to individuals’ and patients’ needs. Consequently, advanced concepts of patient stratification, predictive diagnostics, targeted prevention, and treatments tailored to the individualized patient profile are instrumental for the cost-effective application of natural anti-cancer substances to improve overall breast cancer management benefiting affected individuals and the society at large.
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Huang Y, Chen Y, Lu S, Zhao C. Recent advance of <i>in vitro</i> models in natural phytochemicals absorption and metabolism. EFOOD 2022. [DOI: 10.53365/efood.k/146945] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Natural phytochemicals absorption and metabolic process are mainly in the human gut. Simulating the absorption and metabolism of natural phytochemicals in vitro to predict the rate and degree of absorption of natural phytochemicals provides convenience for many researchers. However, in this process, many physiological factors <i>in vitro</i> are affected, such as stomach and intestinal juice composition, pH, intestinal transmission rate and so on. In recent years, the research methods have gradually improved to make these models more suitable for the natural phytochemicals absorption process, <i>in vitro</i> simulation models have become an essential means to study natural phytochemicals absorption. Therefore, this paper introduces the advantages and disadvantages of commonly used <i>in vitro</i> simulation models of natural phytochemicals absorption and metabolism, as well as briefly introduces the working principle of each model. To provide a theoretical basis for simulating natural phytochemicals absorption <i>in vitro</i> and development and utilization of natural phytochemicals.
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13
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Zhu SS, Zhang YF, Ding M, Zeng KW, Tu PF, Jiang Y. Anti-Neuroinflammatory Components from Clausena lenis Drake. Molecules 2022; 27:molecules27061971. [PMID: 35335333 PMCID: PMC8951546 DOI: 10.3390/molecules27061971] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/11/2022] [Accepted: 03/16/2022] [Indexed: 12/10/2022] Open
Abstract
Clausena lenis Drake (C. lenis) is a folk medicinal herb to treat influenza, colds, bronchitis, and malaria. The 95% and 50% ethanol extract of C. lenis showed significant nitric oxide (NO) inhibition activity in BV-2 microglial cells stimulated by lipopolysaccharide (LPS). Bio-guided isolation of the active extract afforded five new compounds, including a chlorine-containing furoquinoline racemate, (±)-claulenine A (1), an amide alkaloid, claulenine B (2), a prenylated coumarin, claulenin A (3), a furocoumarin glucoside, clauleside A (4), and a multi-prenylated p-hydroxybenzaldehyde, claulenin B (5), along with 33 known ones. Their structures were determined via spectroscopic methods, and the absolute configurations of new compounds were assigned via the electronic circular dichroism (ECD) calculations and single-crystal X-ray diffraction analysis. Compounds 2, 23, 27, 28, 33, and 34 showed potent anti-neuroinflammatory effects on LPS-induced NO production in BV-2 microglial cells, with IC50 values in the range of 17.6–40.9 μM. The possible mechanism was deduced to interact with iNOS through molecular docking.
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14
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Yao L, Liao M, Wang JK, Wang J, Liu D, Tu PF, Zeng KW. Gold Nanoparticle-Based Photo-Cross-Linking Strategy for Cellular Target Identification of Supercomplex Molecular Systems. Anal Chem 2022; 94:3180-3187. [PMID: 35133791 DOI: 10.1021/acs.analchem.1c04652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Cellular target identification plays an essential role in innovative drug development and pharmacological mechanism elucidation. However, very few practical experimental methodologies have been developed for identifying target proteins for supercomplex molecular systems such as biologically active phytochemicals or pharmaceutical compositions. To overcome this limitation, we synthesized gold nanoparticles (AuNPs) as solid scaffolds, which were bound with 4,4'-dihydroxybenzophenone (DHBP) as a photo-cross-linking group on the surface. Then, DHBP-modified AuNPs cross-linked various organic compounds from phytochemicals under ultraviolet radiation via carbene reactions, H-C bond insertion, for catalytic C-C bond formation. We next used the phytochemical-cross-linked AuNPs (phytoAuNPs) to pull down potential binding proteins from brain tissue lysate and identified 13 neuroprotective targets by mass spectrometry analysis. As an exemplary study, we selected Hsp60 as a crucial cellular target to further screen 14 target-binding compounds from phytochemicals through surface plasmon resonance (SPR) analysis, followed by Hsp60 activity detection and neuroprotective effect assay in cells. Collectively, this gold nanoparticle-based photo-cross-linking strategy can serve as a useful platform for discovering novel cellular targets for supercomplex molecular systems and help to explore pharmacological mechanisms and active substances.
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Affiliation(s)
- Lu Yao
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Min Liao
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Jing-Kang Wang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Jing Wang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Dan Liu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Peng-Fei Tu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Ke-Wu Zeng
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
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Floyd ZE, Ribnicky DM, Raskin I, Hsia DS, Rood JC, Gurley BJ. Designing a Clinical Study With Dietary Supplements: It's All in the Details. Front Nutr 2022; 8:779486. [PMID: 35118104 PMCID: PMC8804374 DOI: 10.3389/fnut.2021.779486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Accepted: 12/15/2021] [Indexed: 11/13/2022] Open
Abstract
A successful randomized clinical trial of the effect of dietary supplements on a chosen endpoint begins with developing supporting data in preclinical studies while paying attention to easily overlooked details when planning the related clinical trial. In this perspective, we draw on our experience studying the effect of an ethanolic extract from Artemisia dracunculus L. (termed PMI-5011) on glucose homeostasis as a potential therapeutic option in providing resilience to metabolic syndrome (MetS). Decisions on experimental design related to issues ranging from choice of mouse model to dosing levels and route of administration in the preclinical studies will be discussed in terms of translation to the eventual human studies. The more complex considerations in planning the clinical studies present different challenges as these studies progress from testing the safety of the dietary supplement to assessing the effect of the dietary supplement on a predetermined clinical outcome. From the vantage point of hindsight, we will outline potential pitfalls when translating preclinical studies to clinical studies and point out details to address when designing clinical studies of dietary supplements.
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Affiliation(s)
- Z. Elizabeth Floyd
- Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, LA, United States
- *Correspondence: Z. Elizabeth Floyd
| | - David M. Ribnicky
- Department of Plant Biology, Rutgers University, New Brunswick, NJ, United States
| | - Ilya Raskin
- Department of Plant Biology, Rutgers University, New Brunswick, NJ, United States
| | - Daniel S. Hsia
- Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, LA, United States
| | - Jennifer C. Rood
- Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, LA, United States
| | - Bill J. Gurley
- National Center for Natural Products Research, University of Mississippi, University, MS, United States
- Bill J. Gurley
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Sulforaphane: A Broccoli Bioactive Phytocompound with Cancer Preventive Potential. Cancers (Basel) 2021; 13:cancers13194796. [PMID: 34638282 PMCID: PMC8508555 DOI: 10.3390/cancers13194796] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/18/2021] [Accepted: 09/22/2021] [Indexed: 12/15/2022] Open
Abstract
Simple Summary As of the past decade, phytochemicals have become a major target of interest in cancer chemopreventive and chemotherapeutic research. Sulforaphane (SFN) is a metabolite of the phytochemical glucoraphanin, which is found in high abundance in cruciferous vegetables, such as broccoli, watercress, Brussels sprouts, and cabbage. In both distant and recent research, SFN has been shown to have a multitude of anticancer effects, increasing the need for a comprehensive review of the literature. In this review, we critically evaluate SFN as an anticancer agent and its mechanisms of action based on an impressive number of in vitro, in vivo, and clinical studies. Abstract There is substantial and promising evidence on the health benefits of consuming broccoli and other cruciferous vegetables. The most important compound in broccoli, glucoraphanin, is metabolized to SFN by the thioglucosidase enzyme myrosinase. SFN is the major mediator of the health benefits that have been recognized for broccoli consumption. SFN represents a phytochemical of high interest as it may be useful in preventing the occurrence and/or mitigating the progression of cancer. Although several prior publications provide an excellent overview of the effect of SFN in cancer, these reports represent narrative reviews that focused mainly on SFN’s source, biosynthesis, and mechanisms of action in modulating specific pathways involved in cancer without a comprehensive review of SFN’s role or value for prevention of various human malignancies. This review evaluates the most recent state of knowledge concerning SFN’s efficacy in preventing or reversing a variety of neoplasms. In this work, we have analyzed published reports based on in vitro, in vivo, and clinical studies to determine SFN’s potential as a chemopreventive agent. Furthermore, we have discussed the current limitations and challenges associated with SFN research and suggested future research directions before broccoli-derived products, especially SFN, can be used for human cancer prevention and intervention.
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Geethangili M, Lin CW, Mersmann HJ, Ding ST. Methyl Brevifolincarboxylate Attenuates Free Fatty Acid-Induced Lipid Metabolism and Inflammation in Hepatocytes through AMPK/NF-κB Signaling Pathway. Int J Mol Sci 2021; 22:ijms221810062. [PMID: 34576229 PMCID: PMC8469305 DOI: 10.3390/ijms221810062] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 09/14/2021] [Accepted: 09/15/2021] [Indexed: 12/17/2022] Open
Abstract
The prevalence of non-alcoholic fatty liver disease (NAFLD) is one of the leading causes of chronic liver diseases worldwide. This study examined the potential protective effects of a naturally occurring polyphenolic compound, methyl brevifolincarboxylate (MBC) on fatty liver injury in vitro. The results showed that MBC at its non-cytotoxic concentrations, reduced lipid droplet accumulation and triglyceride (TG) levels in the oleic acid (OA)-treated human hepatocarcinoma cell line, SK-HEP-1 and murine primary hepatocytes. In OA-treated SK-HEP-1 cells and primary murine hepatocytes, MBC attenuated the mRNA expression levels of the de novo lipogenesis molecules, acetyl-coenzyme A carboxylase (Acc1), fatty acid synthase (Fasn) and sterol regulatory element binding protein 1c (Srebp1c). MBC promoted the lipid oxidation factor peroxisome proliferator activated receptor-α (Pparα), and its target genes, carnitine palmitoyl transferase 1 (Cpt1) and acyl-coenzyme A oxidase 1 (Acox1) in both the SK-HEP-1 cells and primary murine hepatocytes. The mRNA results were further supported by the attenuated protein expression of lipogenesis and lipid oxidation molecules in OA-treated SK-HEP-1 cells. The MBC increased the expression of AMP activated protein kinase (AMPK) phosphorylation. On the other hand, MBC treatment dampened the inflammatory mediator's, tumor necrosis factor (TNF)-α, interleukin-6 (IL-6), IL-8, and IL-1β secretion, and nuclear factor (NF)-κB expression (mRNA and protein) through reduced reactive oxygen species production in OA-treated SK-HEP-1 cells. Taken together, our results demonstrated that MBC possessed potential protective effects against NAFLD in vitro by amelioration of lipid metabolism and inflammatory markers through the AMPK/NF-κB signaling pathway.
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Swain SS, Sahoo G, Mahapatra PK, Panda SK. Disease burden and current therapeutical status of leprosy with special emphasis on phytochemicals. Curr Top Med Chem 2021; 22:1611-1625. [PMID: 34503409 DOI: 10.2174/1568026621666210909162435] [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: 05/30/2021] [Revised: 08/05/2021] [Accepted: 08/28/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Leprosy (Hansen's disease) is a neglected tropical disease affecting millions of people globally. The combined formulations of dapsone, rifampicin and clofazimine (multidrug therapy, MDT) is only supportive in the early stage of detection, while "reemergence" is a significant problem. There is still a need to develop newer antileprosy molecules either of natural or (semi)synthetic origin. OBJECTIVE The review intends to present the latest developments in the disease prevalence, available therapeutic interventions and the possibility of identifying new molecules from phytoextracts. METHODS Literature on the use of plant extracts and their active components to treat leprosy was searched. Selected phytoconstituents were subjected to molecular docking study on both wild and mutant types of the Mycobacterium leprae. Since the M. leprae dihydropteroate synthase (DHPS) is not available in the protein data bank (PDB), it was modelled by the homology model method and validated with the Ramachandran plot along with other bioinformatics approaches. Two mutations were introduced at codons 53 (Thr to Ile) and 55 (Pro to Leu) for docking against twenty-five selected phytoconstituents reported from eight plants that recorded effective anti-leprosy activity. The chemical structure of phytochemicals and the standard dapsone structure were retrieved from the PubChem database and prepared accordingly for docking study with the virtual-screening platform of PyRx-AutoDock 4.1. RESULTS Based on the docking score (kcal/mol), most of the phytochemicals exhibited a higher docking score than dapsone. Asiaticoside, an active saponin (-11.3, -11.2 and -11.2 kcal/mol), was proved to be the lead phytochemical against both wild and mutant types DHPS. Some other useful phytoconstituents include echinocystic acid (-9.6, -9.5 and -9.5 kcal/mol), neobavaisoflavone (-9.2, -9.0 and -9.0 kcal/mol), boswellic acid (-8.90, -8.90 and -8.90 kcal/mol), asiatic acid (-8.9, -8.8 and -8.9 kcal/mol), corylifol A (-8.8, 8.0, and -8.0), etc. Overall, the computational predictions support the previously reported active phytoextracts of Centella asiatica (L.) Urban, Albizia amara (Roxb.) Boivin, Boswellia serrata Roxb. and Psoralea corylifolia L. to be effective against leprosy. CONCLUSION A very small percentage of well-known plants have been evaluated scientifically for antileprosy activity. Further in vivo experiments are essential to confirm anti-leprosy properties of such useful phytochemicals.
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Affiliation(s)
- Shasank Sekhar Swain
- Division of Microbiology & NCDs, ICMR-Regional Medical Research Centre, Bhubaneswar-751023, Odisha. India
| | - Gunanidhi Sahoo
- Department of Zoology, Utkal University, Vani Vihar, Bhubaneswar-751004, Odisha. India
| | | | - Sujogya Kumar Panda
- Department of Zoology, Utkal University, Vani Vihar, Bhubaneswar-751004, Odisha. India
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Lee J, Han Y, Wang W, Jo H, Kim H, Kim S, Yang KM, Kim SJ, Dhanasekaran DN, Song YS. Phytochemicals in Cancer Immune Checkpoint Inhibitor Therapy. Biomolecules 2021; 11:biom11081107. [PMID: 34439774 PMCID: PMC8393583 DOI: 10.3390/biom11081107] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 07/08/2021] [Accepted: 07/20/2021] [Indexed: 12/12/2022] Open
Abstract
The interaction of immune checkpoint molecules in the tumor microenvironment reduces the anti-tumor immune response by suppressing the recognition of T cells to tumor cells. Immune checkpoint inhibitor (ICI) therapy is emerging as a promising therapeutic option for cancer treatment. However, modulating the immune system with ICIs still faces obstacles with severe immunogenic side effects and a lack of response against many cancer types. Plant-derived natural compounds offer regulation on various signaling cascades and have been applied for the treatment of multiple diseases, including cancer. Accumulated evidence provides the possibility of efficacy of phytochemicals in combinational with other therapeutic agents of ICIs, effectively modulating immune checkpoint-related signaling molecules. Recently, several phytochemicals have been reported to show the modulatory effects of immune checkpoints in various cancers in in vivo or in vitro models. This review summarizes druggable immune checkpoints and their regulatory factors. In addition, phytochemicals that are capable of suppressing PD-1/PD-L1 binding, the best-studied target of ICI therapy, were comprehensively summarized and classified according to chemical structure subgroups. It may help extend further research on phytochemicals as candidates of combinational adjuvants. Future clinical trials may validate the synergetic effects of preclinically investigated phytochemicals with ICI therapy.
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Affiliation(s)
- Juwon Lee
- Cancer Research Institute, College of Medicine, Seoul National University, Seoul 03080, Korea; (J.L.); (Y.H.); (W.W.); (H.J.); (H.K.)
- WCU Biomodulation, Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Korea
| | - Youngjin Han
- Cancer Research Institute, College of Medicine, Seoul National University, Seoul 03080, Korea; (J.L.); (Y.H.); (W.W.); (H.J.); (H.K.)
- SK Biopharmaceuticals Co., Ltd., Seongnam-si 13494, Korea
| | - Wenyu Wang
- Cancer Research Institute, College of Medicine, Seoul National University, Seoul 03080, Korea; (J.L.); (Y.H.); (W.W.); (H.J.); (H.K.)
- Interdisciplinary Program in Cancer Biology, Seoul National University, Seoul 03080, Korea
| | - HyunA Jo
- Cancer Research Institute, College of Medicine, Seoul National University, Seoul 03080, Korea; (J.L.); (Y.H.); (W.W.); (H.J.); (H.K.)
- WCU Biomodulation, Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Korea
| | - Heeyeon Kim
- Cancer Research Institute, College of Medicine, Seoul National University, Seoul 03080, Korea; (J.L.); (Y.H.); (W.W.); (H.J.); (H.K.)
- WCU Biomodulation, Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Korea
| | - Soochi Kim
- Department of Neurology and Neurological Sciences, School of Medicine, Stanford University, Stanford, CA 94304, USA;
| | - Kyung-Min Yang
- MedPacto Inc., 92, Myeongdal-ro, Seocho-gu, Seoul 06668, Korea; (K.-M.Y.); (S.-J.K.)
| | - Seong-Jin Kim
- MedPacto Inc., 92, Myeongdal-ro, Seocho-gu, Seoul 06668, Korea; (K.-M.Y.); (S.-J.K.)
- Precision Medicine Research Center, Advanced Institute of Convergence Technology, Seoul National University, Suwon 16229, Korea
- Department of Transdisciplinary Studies, Graduate School of Convergence Science and Technology, Seoul National University, Suwon 16229, Korea
| | - Danny N. Dhanasekaran
- Department of Cell Biology, The University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA;
- Stephenson Cancer Center, The University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Yong Sang Song
- Cancer Research Institute, College of Medicine, Seoul National University, Seoul 03080, Korea; (J.L.); (Y.H.); (W.W.); (H.J.); (H.K.)
- WCU Biomodulation, Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Korea
- Interdisciplinary Program in Cancer Biology, Seoul National University, Seoul 03080, Korea
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul 03080, Korea
- Correspondence: ; Tel.: +82-2-2072-2822
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Issinger OG, Guerra B. Phytochemicals in cancer and their effect on the PI3K/AKT-mediated cellular signalling. Biomed Pharmacother 2021; 139:111650. [PMID: 33945911 DOI: 10.1016/j.biopha.2021.111650] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 04/16/2021] [Accepted: 04/19/2021] [Indexed: 02/07/2023] Open
Abstract
Protein kinases belong to the largest family of enzymes controlling every aspect of cellular activity including gene expression, cell division, differentiation and metabolism. They are part of major intracellular signalling pathways. Hence, it is not surprising that they are involved in the development of major diseases such as cardiovascular disorders, diabetes, dementia and, most importantly, cancer when they undergo mutations, modifications and unbalanced expression. This review will explore the possibility to draw a connection between the application of natural phytochemicals and the treatment of cancer. We have chosen to focus on the PI3K/AKT cellular signalling pathway which has been shown to be a major target by natural compounds in cell cultures and animal models.
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Affiliation(s)
- Olaf-Georg Issinger
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, Campusvej 55, 5230 Odense M, Denmark.
| | - Barbara Guerra
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, Campusvej 55, 5230 Odense M, Denmark.
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21
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Yang JB, Gao HY, Song YF, Liu Y, Wang Q, Wang Y, Ma SC, Cheng XL, Wei F. Advances in Understanding the Metabolites and Metabolomics of Polygonum multiflorum Thunb: A Mini-review. Curr Drug Metab 2021; 22:165-172. [PMID: 33261537 DOI: 10.2174/1389200221666201201091345] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 06/21/2020] [Accepted: 08/09/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND The roots of Polygonum multiflorum (PM) are a well-known traditional Chinese medicine, widely used to treat a variety of conditions in Southeast Asia, South Korea, Japan and other countries. It is known that Polygoni Multiflori Radix Praeparata (PMRP) may enhance the efficacy and reduce the toxicity of PM. However, reports of adverse reactions, such as hepatotoxicity, caused by PM or PMRP, have continuously appeared around the world, which increased the known risks of the medication and gradually gained the extensive attention of many researchers. The chemical constituents of PM that cause hepatotoxicity have not been distinctly elucidated using the traditional phytochemical screening. Recently, with the rapid development of metabolomics, there has been a growing need to explore the potential hepatotoxic components and mechanisms of PM. METHODS The metabolites and metabolomics of PM were searched by the Web of Science, PubMed, Google scholar and some Chinese literature databases. RESULTS A brief description of metabolites and metabolomics of PM is followed by a discussion on the metabolite- induced toxicity in this review. More than 100 metabolites were tentatively identified and this will contribute to further understanding of the potential hepatotoxic components of PM. Meanwhile, some toxic compounds were identified and could be used as potential toxic markers of PM. CONCLUSION This review mainly outlines the metabolites and metabolomics of PM that have been identified in recent years. This study could help to clarify the potential hepatotoxic components and metabolic mechanisms of PM and provide a scientific reference for its safe clinical use in the future.
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Affiliation(s)
- Jian-Bo Yang
- Institute for Control of Chinese Traditional Medicine and Ethnic Medicine, National Institutes for Food and Drug Control, Beijing 100050, China
| | - Hui-Yu Gao
- Institute for Control of Chinese Traditional Medicine and Ethnic Medicine, National Institutes for Food and Drug Control, Beijing 100050, China
| | - Yun-Fei Song
- Institute for Control of Chinese Traditional Medicine and Ethnic Medicine, National Institutes for Food and Drug Control, Beijing 100050, China
| | - Yue Liu
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Qi Wang
- Institute for Control of Chinese Traditional Medicine and Ethnic Medicine, National Institutes for Food and Drug Control, Beijing 100050, China
| | - Ying Wang
- Institute for Control of Chinese Traditional Medicine and Ethnic Medicine, National Institutes for Food and Drug Control, Beijing 100050, China
| | - Shuang-Cheng Ma
- Institute for Control of Chinese Traditional Medicine and Ethnic Medicine, National Institutes for Food and Drug Control, Beijing 100050, China
| | - Xian-Long Cheng
- Institute for Control of Chinese Traditional Medicine and Ethnic Medicine, National Institutes for Food and Drug Control, Beijing 100050, China
| | - Feng Wei
- Institute for Control of Chinese Traditional Medicine and Ethnic Medicine, National Institutes for Food and Drug Control, Beijing 100050, China
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Direct Keap1-kelch inhibitors as potential drug candidates for oxidative stress-orchestrated diseases: A review on In silico perspective. Pharmacol Res 2021; 167:105577. [PMID: 33774182 DOI: 10.1016/j.phrs.2021.105577] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 02/23/2021] [Accepted: 03/21/2021] [Indexed: 12/11/2022]
Abstract
The recent outcry in the search for direct keap1 inhibitors requires a quicker and more effective drug discovery process which is an inherent property of the Computer Aided Drug Discovery (CADD) to bring drug candidates into the clinic for patient's use. This Keap1 (negative regulator of ARE master activator) is emerging as a therapeutic strategy to combat oxidative stress-orchestrated diseases. The advances in computer algorithm and compound databases require that we highlight the functionalities that this technology possesses that can be exploited to target Keap1-Nrf2 PPI. Therefore, in this review, we uncover the in silico approaches that had been exploited towards the identification of keap1 inhibition in the light of appropriate fitting with relevant amino acid residues, we found 3 and 16 other compounds that perfectly fit keap1 kelch pocket/domain. Our goal is to harness the parameters that could orchestrate keap1 surface druggability by utilizing hotspot regions for virtual fragment screening and identification of hotspot residues.
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23
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Sr KJ. Dynamics of Drug in Biological System. Curr Drug Metab 2019; 20:1084. [PMID: 32116183 DOI: 10.2174/138920022014200129122700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Kaid Johar Sr
- Department of Zoology, Biomedical Technology and Human Genetics University School of Sciences Gujarat University Ahmedabad 380009, India
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