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Liu B, Ma J, Li T, Li P, Yan D, Zhu J, Zhang X. Advances in the Preparation, Structure and Bioactivity of Polysaccharides from Lycium ruthenicum Murr.: A Review. Foods 2024; 13:1995. [PMID: 38998501 PMCID: PMC11241109 DOI: 10.3390/foods13131995] [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: 05/30/2024] [Revised: 06/17/2024] [Accepted: 06/18/2024] [Indexed: 07/14/2024] Open
Abstract
Lycium ruthenicum Murr. is rich in polysaccharides, and the polysaccharides in Lycium ruthenicum Murr. (LRPS) have various bioactivities, such as antioxidant activity, anti-tumor activity, neuroprotective activity, and immunomodulatory activity. It has broad prospects in the development of functional foods and pharmaceuticals. Researchers have found that the structural characteristics of LRPS, such as molecular weight, monosaccharide composition, primary structure, etc., have a significant impact on their bioactivities. Therefore, studying the structure of LRPS is of great significance in revealing their bioactivities and mechanisms. This study, based on introducing the preparation methods of LRPS, focuses on reviewing the research progress on the main structural characteristics, various bioactivities, and mechanisms of action of LRPS. In addition, the study provides prospects for the development of LRPS in the fields of food and medicine, aiming to provide theoretical support for its deep processing and application.
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Affiliation(s)
- Bing Liu
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China; (J.M.); (T.L.); (P.L.); (D.Y.); (X.Z.)
| | - Jingyu Ma
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China; (J.M.); (T.L.); (P.L.); (D.Y.); (X.Z.)
| | - Ting Li
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China; (J.M.); (T.L.); (P.L.); (D.Y.); (X.Z.)
| | - Pei Li
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China; (J.M.); (T.L.); (P.L.); (D.Y.); (X.Z.)
| | - Dehui Yan
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China; (J.M.); (T.L.); (P.L.); (D.Y.); (X.Z.)
| | - Jun Zhu
- Gansu Institute of Standardization, Lanzhou 730000, China;
| | - Xinguo Zhang
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China; (J.M.); (T.L.); (P.L.); (D.Y.); (X.Z.)
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Zhang B, Zhang M, Tian J, Zhang X, Zhang D, Li J, Yang L. Advances in the regulation of radiation-induced apoptosis by polysaccharides: A review. Int J Biol Macromol 2024; 263:130173. [PMID: 38360238 DOI: 10.1016/j.ijbiomac.2024.130173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2023] [Revised: 02/03/2024] [Accepted: 02/12/2024] [Indexed: 02/17/2024]
Abstract
Polysaccharides are biomolecules composed of monosaccharides that are widely found in animals, plants and microorganisms and are of interest for their various health benefits. Cumulative studies have shown that the modulation of radiation-induced apoptosis by polysaccharides can be effective in preventing and treating a wide range of radiation injuries with safety and few side effects. Therefore, this paper summarizes the monosaccharide compositions, molecular weights, and structure-activity relationships of natural polysaccharides that regulate radiation-induced apoptosis, and also reviews the molecular mechanisms by which these polysaccharides modulate radiation-induced apoptosis, primarily focusing on promoting cancer cell apoptosis to enhance radiotherapy efficacy, reducing radiation damage to normal tissues, and inhibiting apoptosis in normal cells. Additionally, the role of gut microbiota in mediating the interaction between polysaccharides and radiation is discussed, providing innovative ideas for various radiation injuries, including hematopoiesis, immunity, and organ damage. This review will contribute to a better understanding of the value of natural polysaccharides in the field of radiation and provide guidance for the development of natural radioprotective agents and radiosensitizers.
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Affiliation(s)
- Beibei Zhang
- Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning 110122, China; Department of Nutrition, General Hospital of Northern Theater Command, Shenyang, Liaoning 110016, China
| | - Mingyu Zhang
- Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning 110122, China; Department of Nutrition, General Hospital of Northern Theater Command, Shenyang, Liaoning 110016, China
| | - Jinlong Tian
- College of Food Science, Shenyang Agricultural University, Shenyang, Liaoning 110866, China
| | - Xi Zhang
- Department of Nutrition, General Hospital of Northern Theater Command, Shenyang, Liaoning 110016, China
| | - Dan Zhang
- Department of Nutrition, General Hospital of Northern Theater Command, Shenyang, Liaoning 110016, China
| | - Jiabao Li
- Department of Nutrition, General Hospital of Northern Theater Command, Shenyang, Liaoning 110016, China
| | - Lei Yang
- Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning 110122, China; Department of Nutrition, General Hospital of Northern Theater Command, Shenyang, Liaoning 110016, China.
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3
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Lin H, Li W, Sun R, Xu C, Zhang C, Gao J, Cao W, Qin X, Zhong S, Chen Y. Purification and characterization of a novel immunoregulatory peptide from Sipunculus nudus L. protein. Food Sci Nutr 2023; 11:7779-7790. [PMID: 38107114 PMCID: PMC10724601 DOI: 10.1002/fsn3.3695] [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: 12/26/2022] [Revised: 09/04/2023] [Accepted: 09/07/2023] [Indexed: 12/19/2023] Open
Abstract
This study aimed to purify and characterize immunoregulatory peptides from Sipunculus nudus L. and to explore the underlying mechanisms. Ultrafiltration, gel filtration chromatography, and reverse phase high-performance liquid chromatography (RP-HPLC) were used to purify the peptide following enzymatic hydrolysis. Rates of lymphocyte proliferation and phagocytosis as well as nitric oxide (NO) production levels were used as indicators of immunoregulatory activity to screen the fractions. The amino acid sequence of the peptide, designated as SNLP, was identified as Arg-Val-Lys-Gly-Lys-Ile-Leu-Ala-Lys-Arg-Leu-Asn (RVKGKILAKRLN) by liquid chromatography-tandem mass spectrometry (LC-MS/MS). Treatment with the synthetic SNLP increased the proliferation and phagocytosis of RAW 264.7 macrophages and promoted the secretion of tumor necrosis factor-ɑ (TNF-α), interleukin-6 (IL-6), interleukin-1β (IL-1β), and NO levels. The mRNA levels of these cytokines and iNOS were also increased by SNLP. Our results provide preliminary evidence suggesting that SNLP acts as a dual immunomodulatory peptide with immunostimulatory and anti-inflammatory activities. In summary, SNLP derived from Sipunculus nudus L. is a potent immunoregulatory peptide and represents a potential functional food or immunoregulatory drug.
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Affiliation(s)
- Haisheng Lin
- College of Food Science and TechnologyGuangdong Ocean UniversityZhanjiangChina
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and SafetyGuangdong Ocean UniversityZhanjiangChina
- Guangdong Province Engineering Laboratory for Marine Biological ProductsGuangdong Ocean UniversityZhanjiangChina
- Guangdong Provincial Engineering Technology Research Center of Marine FoodGuangdong Ocean UniversityZhanjiangChina
| | - Wan Li
- College of Food Science and TechnologyGuangdong Ocean UniversityZhanjiangChina
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and SafetyGuangdong Ocean UniversityZhanjiangChina
- Guangdong Province Engineering Laboratory for Marine Biological ProductsGuangdong Ocean UniversityZhanjiangChina
- Guangdong Provincial Engineering Technology Research Center of Marine FoodGuangdong Ocean UniversityZhanjiangChina
| | - Ruikun Sun
- College of Food Science and TechnologyGuangdong Ocean UniversityZhanjiangChina
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and SafetyGuangdong Ocean UniversityZhanjiangChina
- Guangdong Province Engineering Laboratory for Marine Biological ProductsGuangdong Ocean UniversityZhanjiangChina
- Guangdong Provincial Engineering Technology Research Center of Marine FoodGuangdong Ocean UniversityZhanjiangChina
| | - Cheng Xu
- Empress TherapeuticsCambridgeMassachusettsUSA
| | - Chaohua Zhang
- College of Food Science and TechnologyGuangdong Ocean UniversityZhanjiangChina
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and SafetyGuangdong Ocean UniversityZhanjiangChina
- Guangdong Province Engineering Laboratory for Marine Biological ProductsGuangdong Ocean UniversityZhanjiangChina
- Guangdong Provincial Engineering Technology Research Center of Marine FoodGuangdong Ocean UniversityZhanjiangChina
| | - Jialong Gao
- College of Food Science and TechnologyGuangdong Ocean UniversityZhanjiangChina
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and SafetyGuangdong Ocean UniversityZhanjiangChina
- Guangdong Province Engineering Laboratory for Marine Biological ProductsGuangdong Ocean UniversityZhanjiangChina
- Guangdong Provincial Engineering Technology Research Center of Marine FoodGuangdong Ocean UniversityZhanjiangChina
| | - Wenhong Cao
- College of Food Science and TechnologyGuangdong Ocean UniversityZhanjiangChina
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and SafetyGuangdong Ocean UniversityZhanjiangChina
- Guangdong Province Engineering Laboratory for Marine Biological ProductsGuangdong Ocean UniversityZhanjiangChina
- Guangdong Provincial Engineering Technology Research Center of Marine FoodGuangdong Ocean UniversityZhanjiangChina
| | - Xiaoming Qin
- College of Food Science and TechnologyGuangdong Ocean UniversityZhanjiangChina
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and SafetyGuangdong Ocean UniversityZhanjiangChina
- Guangdong Province Engineering Laboratory for Marine Biological ProductsGuangdong Ocean UniversityZhanjiangChina
- Guangdong Provincial Engineering Technology Research Center of Marine FoodGuangdong Ocean UniversityZhanjiangChina
| | - Saiyi Zhong
- College of Food Science and TechnologyGuangdong Ocean UniversityZhanjiangChina
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and SafetyGuangdong Ocean UniversityZhanjiangChina
- Guangdong Province Engineering Laboratory for Marine Biological ProductsGuangdong Ocean UniversityZhanjiangChina
- Guangdong Provincial Engineering Technology Research Center of Marine FoodGuangdong Ocean UniversityZhanjiangChina
| | - Yibin Chen
- Hainan Semnl Biotechnology Co. Ltd.ChengmaiChina
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Chen N, Zhang H, Zong X, Li S, Wang J, Wang Y, Jin M. Polysaccharides from Auricularia auricula: Preparation, structural features and biological activities. Carbohydr Polym 2020; 247:116750. [DOI: 10.1016/j.carbpol.2020.116750] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 06/27/2020] [Accepted: 07/09/2020] [Indexed: 02/07/2023]
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Fujimoto N, Baurzhan A, Chaizhunusova N, Amantayeva G, Kairkhanova Y, Shabdarbaeva D, Zhunussov Y, Zhumadilov K, Stepanenko V, Gnyrya V, Azhimkhanov A, Kolbayenkov A, Hoshi M. Effects of Internal Exposure to 56MnO 2 Powder on Blood Parameters in Rats. Eurasian J Med 2020; 52:52-56. [PMID: 32158315 DOI: 10.5152/eurasianjmed.2020.19228] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Objective The pathological effects of internal exposure to manganese dioxide-56 (56MnO2) radioisotope particles have been previously examined in rats. Here we further examine the effects of 56MnO2, focusing on changes in blood parameters. Materials and Methods Ten-week-old male Wistar rats were exposed to 3 doses of neutron-activated 56MnO2 powder, nonradioactive MnO2 powder, or external 60Co γ-rays (1 Gy, whole body). On days 3 and 61 postexposure, the animals were necropsied to measure organ weights and clinical blood parameters, including red blood cell and white blood cell counts; concentrations of calcium, phosphorus, potassium, and sodium; and levels of alanine aminotransferase (ALT), aspartate aminotransferase, amylase, creatinine, urea, total protein, albumin, triglycerides, high density lipoprotein, total cholesterol, and glucose. Results In the 56MnO2-exposed animals, accumulated doses were found to be highest in the gastrointestinal tract, followed by the skin and lungs, with whole-body doses ranging from 41 to 100 mGy. There were no 56MnO2 exposure-related changes in body weights or relative organ weights. The ALT level decreased on day 3 and then significantly increased on day 61 in the 56MnO2-exposed groups. There were no exposure-related changes in any other blood parameters. Conclusion Although the internal doses were less than 100 mGy, internal exposure of 56MnO2 powder showed significant biological impacts.
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Affiliation(s)
- Nariaki Fujimoto
- Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima, Japan
| | | | | | | | | | | | | | | | - Valeriy Stepanenko
- A.Tsyb Medical Radiological Research Center - National Medical Research Center of Radiology, Ministry of Health of Russian Federation, Obninsk, Russia
| | - Vyacheslav Gnyrya
- National Nuclear Center of the Republic of Kazakhstan, Kurchatov, Kazakhstan
| | - Almas Azhimkhanov
- National Nuclear Center of the Republic of Kazakhstan, Kurchatov, Kazakhstan
| | | | - Masaharu Hoshi
- Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima, Japan
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Wang W, Xue C, Mao X. Radioprotective effects and mechanisms of animal, plant and microbial polysaccharides. Int J Biol Macromol 2020; 153:373-384. [PMID: 32087223 DOI: 10.1016/j.ijbiomac.2020.02.203] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 02/14/2020] [Accepted: 02/18/2020] [Indexed: 12/11/2022]
Abstract
Ionizing radiation is increasingly used to successfully diagnose many human health problems, but ionizing radiation may cause damage to organs/tissues in the living organisms such as the spleen, liver, skin, and brain. Many radiation protective agents have been discovered, with the deepening of radiation research. Unfortunately, these protective agents have many side effects, which cause drug resistance, nausea, vomiting, osteoporosis, etc. The polysaccharides extracted from natural sources are widely available and low in toxicity. In vivo and in vitro experiments have demonstrated that polysaccharides have anti-radiation activity through anti-oxidation, immune regulation, protection of hematopoietic system and protection against DNA damage. Recently, some studies have shown that polysaccharides were resistant to radiation. In the review, the anti-radiation activities of polysaccharides from different sources are summarized, and the anti-radiation mechanisms are discussed as well. It can be used to develop more effective anti-radiation management drugs.
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Affiliation(s)
- Wenjie Wang
- College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China
| | - Changhu Xue
- College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China; Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266200, China.
| | - Xiangzhao Mao
- College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China; Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266200, China.
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Sun Z, Wu K, Lin Q, Fei H, Jiang H, Chen T, Yuan Y. Toll-like receptor 4 protects against irradiation-induced hematopoietic injury by promoting granulopoiesis and alleviating marrow adipogenesis. Biochem Biophys Res Commun 2019; 520:420-427. [PMID: 31607480 DOI: 10.1016/j.bbrc.2019.10.027] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 10/01/2019] [Accepted: 10/01/2019] [Indexed: 11/28/2022]
Abstract
Irradiation induces severe damage in the hematopoietic system, which leads to bone marrow hyperplasia, pancytopenia, and aggravated tissue formation in bone marrow. Studies have shown that Toll-like receptor 4 (TLR4) has a protective effect against irradiation, but the underlying mechanism remains unclear. In this study, we used a TLR4 knockout (TLR4-/-) mouse irradiation model and found that the white blood cell and platelet counts in the peripheral blood of TLR4-/- mice recovered slowly after irradiation, with bone marrow hyperplasia and increased mortality. Additionally, we found that the proportion of CD11b+Gr1+ granulocytes in the peripheral blood and bone marrow of TLR4-/- mice was lower than that of wild-type mice after irradiation. Further, we found that the expression of NADPH Oxidases (NOXs) in the bone marrow was down-regulated after irradiation of TLR4-/- mice, and administration of the NOXs inhibitor VAS2870 reduced the proportion of CD11b+Gr1+ cells in the bone marrow and peripheral blood of wild-type mice after irradiation. Irradiation induced severe marrow adipocytes accumulation in TLR4-/- mice, TLR4 ligand lipopolysaccharide promoted proliferation and inhibited adipogenic differentiation of mesenchymal stromal cells. In summary, our data suggest that TLR4 promotes myeloid hyperplasia by up-regulating the expression of NOXs after irradiation, prohibits marrow adipogensis and increases the tolerance of mice to irradiation.
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Affiliation(s)
- Zhengxu Sun
- Department of Hematology, Huashan Hospital, Fudan University, Shanghai, China
| | - Kunpeng Wu
- Department of Hematology, Huashan Hospital, Fudan University, Shanghai, China
| | - Qiwang Lin
- Department of Gynecology, Obstetrics & Gynecology Hospital, Fudan University, Shanghai, China
| | - He Fei
- Department of Gynecology, Obstetrics & Gynecology Hospital, Fudan University, Shanghai, China
| | - Hua Jiang
- Department of Gynecology, Obstetrics & Gynecology Hospital, Fudan University, Shanghai, China
| | - Tong Chen
- Department of Hematology, Huashan Hospital, Fudan University, Shanghai, China.
| | - Yan Yuan
- Department of Hematology, Huashan Hospital, Fudan University, Shanghai, China.
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8
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Singh VK, Seed TM. The efficacy and safety of amifostine for the acute radiation syndrome. Expert Opin Drug Saf 2019; 18:1077-1090. [PMID: 31526195 DOI: 10.1080/14740338.2019.1666104] [Citation(s) in RCA: 90] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Introduction: A radiation countermeasure that can be used prior to radiation exposure to protect the population from the harmful effects of radiation exposure remains a major unmet medical need and is recognized as an important area for research. Despite substantial advances in the research and development for finding nontoxic, safe, and effective prophylactic countermeasures for the acute radiation syndrome (ARS), no such agent has been approved by the United States Food and Drug Administration (FDA). Area covered: Despite the progress made to improve the effectiveness of amifostine as a radioprotector for ARS, none of the strategies have resolved the issue of its toxicity/side effects. Thus, the FDA has approved amifostine for limited clinical indications, but not for non-clinical uses. This article reviews recent strategies and progress that have been made to move forward this potentially useful countermeasure for ARS. Expert opinion: Although the recent investigations have been promising for fielding safe and effective radiation countermeasures, additional work is needed to improve and advance drug design and delivery strategies to get FDA approval for broadened, non-clinical use of amifostine during a radiological/nuclear scenario.
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Affiliation(s)
- Vijay K Singh
- Division of Radioprotectants, Department of Pharmacology and Molecular Therapeutics, F. Edward Hébert School of Medicine, Uniformed Services University of the Health Sciences , Bethesda , MD , USA.,Armed Forces Radiobiology Research Institute, Uniformed Services University of the Health Sciences , Bethesda , MD , USA
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9
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Hofer M, Hoferová Z, Falk M. Pharmacological Modulation of Radiation Damage. Does It Exist a Chance for Other Substances than Hematopoietic Growth Factors and Cytokines? Int J Mol Sci 2017; 18:E1385. [PMID: 28657605 PMCID: PMC5535878 DOI: 10.3390/ijms18071385] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Revised: 06/21/2017] [Accepted: 06/26/2017] [Indexed: 02/03/2023] Open
Abstract
In recent times, cytokines and hematopoietic growth factors have been at the center of attention for many researchers trying to establish pharmacological therapeutic procedures for the treatment of radiation accident victims. Two granulocyte colony-stimulating factor-based radiation countermeasures have been approved for the treatment of the hematopoietic acute radiation syndrome. However, at the same time, many different substances with varying effects have been tested in animal studies as potential radioprotectors and mitigators of radiation damage. A wide spectrum of these substances has been studied, comprising various immunomodulators, prostaglandins, inhibitors of prostaglandin synthesis, agonists of adenosine cell receptors, herbal extracts, flavonoids, vitamins, and others. These agents are often effective, relatively non-toxic, and cheap. This review summarizes the results of animal experiments, which show the potential for some of these untraditional or new radiation countermeasures to become a part of therapeutic procedures applicable in patients with the acute radiation syndrome. The authors consider β-glucan, 5-AED (5-androstenediol), meloxicam, γ-tocotrienol, genistein, IB-MECA (N⁶-(3-iodobezyl)adenosine-5'-N-methyluronamide), Ex-RAD (4-carboxystyryl-4-chlorobenzylsulfone), and entolimod the most promising agents, with regards to their contingent use in clinical practice.
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Affiliation(s)
- Michal Hofer
- Department of Cell Biology and Radiobiology, Institute of Biophysics, v.v.i., Czech Academy of Sciences, Královopolská 135, 61265 Brno, Czech Republic.
| | - Zuzana Hoferová
- Department of Cell Biology and Radiobiology, Institute of Biophysics, v.v.i., Czech Academy of Sciences, Královopolská 135, 61265 Brno, Czech Republic.
| | - Martin Falk
- Department of Cell Biology and Radiobiology, Institute of Biophysics, v.v.i., Czech Academy of Sciences, Královopolská 135, 61265 Brno, Czech Republic.
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Hofer M, Hoferová Z, Depeš D, Falk M. Combining Pharmacological Countermeasures to Attenuate the Acute Radiation Syndrome-A Concise Review. Molecules 2017; 22:molecules22050834. [PMID: 28534834 PMCID: PMC6154336 DOI: 10.3390/molecules22050834] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Revised: 05/16/2017] [Accepted: 05/16/2017] [Indexed: 11/16/2022] Open
Abstract
The goal of combined pharmacological approaches in the treatment of the acute radiation syndrome (ARS) is to obtain an effective therapy producing a minimum of undesirable side effects. This review summarizes important data from studies evaluating the efficacy of combining radioprotective agents developed for administration prior to irradiation and therapeutic agents administered in a post-irradiation treatment regimen. Many of the evaluated results show additivity, or even synergism, of the combined treatments in comparison with the effects of the individual component administrations. It can be deduced from these findings that the research in which combined treatments with radioprotectors/radiomitigators are explored, tested, and evaluated is well-founded. The requirement for studies highly emphasizing the need to minimize undesirable side effects of the radioprotective/radiomitigating therapies is stressed.
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Affiliation(s)
- Michal Hofer
- Department of Cell Biology and Radiobiology, Institute of Biophysics, v.v.i., Czech Academy of Sciences, Královopolská 135, 61265 Brno, Czech Republic.
| | - Zuzana Hoferová
- Department of Cell Biology and Radiobiology, Institute of Biophysics, v.v.i., Czech Academy of Sciences, Královopolská 135, 61265 Brno, Czech Republic.
| | - Daniel Depeš
- Department of Cell Biology and Radiobiology, Institute of Biophysics, v.v.i., Czech Academy of Sciences, Královopolská 135, 61265 Brno, Czech Republic.
| | - Martin Falk
- Department of Cell Biology and Radiobiology, Institute of Biophysics, v.v.i., Czech Academy of Sciences, Královopolská 135, 61265 Brno, Czech Republic.
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11
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Xu W, Yang F, Zhang Y, Shen X. Protective effects of rosmarinic acid against radiation-induced damage to the hematopoietic system in mice. JOURNAL OF RADIATION RESEARCH 2016; 57:356-62. [PMID: 27006381 PMCID: PMC4973645 DOI: 10.1093/jrr/rrw021] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Revised: 01/19/2016] [Accepted: 01/28/2016] [Indexed: 06/05/2023]
Abstract
Rosmarinic acid (RA) is an ester of caffeic acid and 3, 4-dihydroxyphenyl lactic acid. It is a potent antioxidant that functions by scavenging free radicals. Here, we used a 30-day survival assay to investigate the radioprotective effects of RA. Mice were treated with RA once per day for 10 consecutive days starting at 3 days before gamma irradiation at 7.5 Gy until 7 days post irradiation. Mice treated with 100 and 200 mg/kg body weight (bw) of RA had 30-day survival rates of 89% and 72%, respectively, compared with 32% in the control group, and the differences were statistically significant (P = 0.0008 and 0.0421, respectively). Spleen colony-forming units (CFU-S), the number of nucleated cells in the bone marrow (BMNC), bone marrow DNA content, and hematological parameters of the peripheral blood were measured to investigate the radioprotective effect of RA on the hematopoietic system. The treatment groups that received RA at 50, 100 and 150 mg/kg bw and whole-body exposure to 5.5 Gy of (137)Cs γ- radiation had significantly higher CFU-S, BMNC and DNA content than the irradiation-only group. Assessment of hematological parameters in the peripheral blood showed that the treatment groups receiving RA at doses of 50, 100 and 150 mg/kg bw had higher white blood cell counts, hemoglobin and platelets than the radiation-only group. These results suggested that the administration of RA promoted the recovery of peripheral blood cells in irradiated mice.
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Affiliation(s)
- Wenqing Xu
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 238 Bai Di Road, Nan Kai District, Tianjin, 300192, China
| | - Fujun Yang
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 238 Bai Di Road, Nan Kai District, Tianjin, 300192, China
| | - Yujie Zhang
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 238 Bai Di Road, Nan Kai District, Tianjin, 300192, China
| | - Xiu Shen
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 238 Bai Di Road, Nan Kai District, Tianjin, 300192, China
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Zhang T, Lan Y, Zheng Y, Liu F, Zhao D, Mayo KH, Zhou Y, Tai G. Identification of the bioactive components from pH-modified citrus pectin and their inhibitory effects on galectin-3 function. Food Hydrocoll 2016. [DOI: 10.1016/j.foodhyd.2016.02.020] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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13
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Li H, Wang Z, Xu Y, Sun G. Pine polyphenols from Pinus koraiensis prevent injuries induced by gamma radiation in mice. PeerJ 2016; 4:e1870. [PMID: 27069807 PMCID: PMC4824883 DOI: 10.7717/peerj.1870] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2016] [Accepted: 03/09/2016] [Indexed: 12/17/2022] Open
Abstract
Pine polyphenols (PPs) are bioactive dietary constituents that enhance health and help prevent diseases through antioxidants. Antioxidants reduce the level of oxidative damages caused by ionizing radiation (IR). The main purpose of this paper is to study the protective effect of PPs on peripheral blood, liver and spleen injuries in mice induced by IR. ICR (Institute of Cancer Research) male mice were administered orally with PPs (200 mg/kg b.wt.) once daily for 14 consecutive days prior to 7 Gy γ-radiations. PPs showed strong antioxidant activities. PPs significantly increased white blood cells, red blood cells and platelets counts. PPs also significantly reduced lipid peroxidation and increased the activities of superoxide dismutase, catalase and glutathione peroxidases, and the level of glutathione. PPs reduced the spleen morphologic injury. In addition, PPs inhibited mitochondria-dependent apoptosis pathways in splenocytes induced by IR. These results indicate that PPs are radioprotective promising reagents.
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Affiliation(s)
- Hui Li
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology , Harbin, Heilongjiang , China
| | - Zhenyu Wang
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology , Harbin, Heilongjiang , China
| | - Yier Xu
- Department of Pharmacology, Pharmaceutical Academy of Harbin Pharmaceutical Group , Harbin, Heilongjiang , China
| | - Guicai Sun
- Department of Orthopaedics, The Fourth Hospital Affiliated to Nanchang University , Nanchang, Jiangxi , China
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Isolation, characterization, and radiation protection of Sipunculus nudus L. polysaccharide. Int J Biol Macromol 2016; 83:288-96. [DOI: 10.1016/j.ijbiomac.2015.11.071] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2015] [Revised: 11/13/2015] [Accepted: 11/25/2015] [Indexed: 01/31/2023]
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