-
血红铆钉菇[Chroogomphus rutilus (Schaeff.) O.Ƙ. Mill.],属担子菌亚门伞菌目铆钉菇科铆钉菇属[1]。菌体铆钉状且菌肉为酒红色,故名血红铆钉菇。分布于中国北方及西南多省,以及日本、欧洲及北美多国,主要生于松林中地上的杂草丛林之间,是一种与油松、樟子松、马尾松、赤松共生的外生菌根真菌,群生、散生或单生,营养价值极高,深受人们喜爱[2]。研究表明,血红铆钉菇富含蛋白质、多糖、黄酮、香豆素及甾醇[3-8]等多种活性物质,具有极高的食用和药用价值。随着人民生活水平的提高和科学技术的不断进步,糖化学及其活性研究正在经历着飞速的发展,越来越多的动物多糖、植物多糖、真菌多糖被开发利用。多糖作为食用菌重要的活性成分,具有抗肿瘤、抗氧化、抗疲劳、免疫调节、神经保护、降血糖、降血脂[9-13]等诸多药理作用。目前,各类真菌多糖的免疫调节作用研究已广泛开展[14-23]。然而,迄今关于血红铆钉菇多糖开发的研究较少,对其免疫调节作用的研究报道亦少,本文探讨血红铆钉菇多糖对小鼠巨噬细胞RAW264.7的细胞毒性、免疫调节因子释放、NF-κB信号通路激活等一系列的免疫调节作用,以期为血红铆钉菇进一步的开发利用提供依据。
Immunoregulatory effect of polysaccharides derived from chroogomphus rutilus on macrophage cell line RAW264.7
-
摘要:
目的 研究血红铆钉菇多糖对RAW264.7小鼠单核巨噬细胞的免疫调节作用。 方法 将小鼠的巨噬细胞进行复苏培养,制备细胞悬液,设置空白对照组以及不同质量浓度的血红铆钉菇多糖(CRPS25-Ⅱ)组(1、20、40、80和160 μg/ml)。采用MTT法测定血红铆钉多糖对小鼠巨噬细胞RAW264.7的细胞毒性;采用RT-PCR法检测血红铆钉菇多糖对小鼠巨噬细胞RAW264.7分泌免疫调节因子IL-6和TNF-α的影响;采用Western-blot法检测血红铆钉菇多糖对小鼠巨噬细胞RAW264.7的NF-κB信号通路中p-P65蛋白表达的影响。 结果 实验证明血红铆钉菇多糖在1~160 μg/ml的范围内没有明显的细胞毒性,CRPS25-Ⅱ质量浓度在1~160 μg/ml可提高细胞因子的分泌量,从而促进细胞因子IL-6和TNF-α的mRNA表达;CRPS25-Ⅱ可促进p-P65蛋白的磷酸化,激活NF-κB信号通路从而促进细胞的免疫调节作用,1~160 μg/ml浓度范围内均可促进p-P65蛋白的增加,1~40 μg/ml呈上升趋势,40~160 μg/ml促进作用逐渐减弱。 结论 血红铆钉菇多糖对小鼠巨噬细胞无毒性,且可以促进炎症因子IL-6和TNF-α的分泌以及激活NF-κB信号通路,从而起到免疫调节作用。 Abstract:Objective To study the immunomodulatory effect of polysaccharides (CRPS25-Ⅱ) derived from Chroogomphus rutilus on mouse mononuclear macrophages, RAW264.7 cells. Methods RAW264.7 cells were resuspended and cultured, cell suspension was prepared. The blank control group and CRPS25-Ⅱ groups with different mass concentrations (1, 20, 40, 80 and 160 μg/ml) were set up. MTT assay was used to determine the cytotoxicity of CRPS25-Ⅱ on RAW264.7 cells. RT-PCR was used to detect the effects of CRPS25-Ⅱ on the secretion of immune regulatory factors IL-6 and TNF-α from RAW264.7 cells. Western blot was used to detect the effects of CRPS25-Ⅱ on the expression of p-P65 protein in NF-κB pathway of RAW264.7 cells. Results The results showed that CRPS25-Ⅱ (1−160 μg/ml) had no obvious cytotoxicity. CRPS25-Ⅱ (1−160 μg/ml) increased the secretion of cytokines, and thus promoted the mRNA expression of IL-6 and TNF-α. CRPS25-Ⅱ increased the phosphorylation of p-P65 protein and activated the NF-κB signaling pathway, and thus promoted the immune regulation of cells. CRPS25-Ⅱ (1−160 μg/ml) could increase the p-P65 protein, and the promoting effects of CRPS25-Ⅱshowed an upward trend in the concentration range of 1−40 μg/ml and gradually weakened in the concentration range of 40−160 μg/ml. Conclusion Polysaccharides derived from chroogomphus rutilus had no cytotoxicity to mouse macrophages, and could promote the secretion of inflammatory factors IL-6 and TNF-α and activate the NF-κB signaling pathway, thus playing an immunomodulatory role. -
Key words:
- CRPS25-Ⅱ /
- RAW264.7 cells /
- immune regulation
-
[1] 戴玉成. 中国药用真菌图志[M]. 哈尔滨: 东北林业大学出版社, 2013 [2] 栾庆书. 血红铆钉菇研究现状及开发利用[J]. 食用菌, 2002, 24(2):2-3. doi: 10.3969/j.issn.1000-8357.2002.02.001 [3] 岳峥嵘, 赵博, 张国财, 等. 血红铆钉菇多糖超声微波联合提取工艺优化及其抗氧化活性[J]. 食品工业科技, 2020, 41(22):165-171. [4] 李贞卓, 包海鹰. 血红铆钉菇化学成分和药理活性研究概述[J]. 菌物研究, 2015, 13(3):181-186. [5] 王贺, 宋文刚, 任婷, 等. 血红铆钉菇多糖分离纯化及抗氧化活性研究[J]. 北华大学学报(自然科学版), 2019, 20(1):64-67. [6] 张海悦, 杨雪, 李震, 等. 血红铆钉菇黄酮体外抗氧化活性的研究[J]. 食品研究与开发, 2016, 37(19):109-113. doi: 10.3969/j.issn.1005-6521.2016.19.026 [7] MARTÍN M P, SIQUIER J L, SALOM J C, et al. Barcoding sequences clearly separate Chroogomphus mediterraneus (Gomphidiaceae, Boletales) from C. rutilus, and allied species[J]. Mycoscience,2016,57(6):384-392. doi: 10.1016/j.myc.2016.06.004 [8] LUO J, ZHOU W, CAO S, et al. Chemical constituents of Chroogomphus rutilus (schaeff.) o. k. mill[J]. Biochem Syst Ecol,2015,61:203-207. doi: 10.1016/j.bse.2015.06.013 [9] SONG S, YANG H, SU C P, et al. Ultrasonic-microwave assisted synthesis of stable reduced graphene oxide modified melamine foam with superhydrophobicity and high oil adsorption capacities[J]. Chem Eng J,2016,306:504-511. doi: 10.1016/j.cej.2016.07.086 [10] 李志锐, 韩淑琴. 超声-微波协同萃取玛卡多糖工艺研究[J]. 农产品加工, 2017(3):22-23, 27. [11] GAO C J, WANG Z Y, SU T T, et al. Optimisation of exopolysaccharide production by Gomphidius rutilus and its antioxidant activities in vitro[J]. Carbohydr Polym,2012,87(3):2299-2305. doi: 10.1016/j.carbpol.2011.10.064 [12] 唐超, 王清吉, 葛蔚, 等. 血红铆钉菇多糖对小鼠S180肉瘤的抑制作用[J]. 安徽农业科学, 2010, 38(6):2966-2967. doi: 10.3969/j.issn.0517-6611.2010.06.076 [13] WANG C, ZHANG J, WANG F, et al. Extraction of crude polysaccharides from Gomphidius rutilus and their antioxidant activities in vitro[J]. Carbohydr Polym,2013,94(1):479-486. doi: 10.1016/j.carbpol.2013.01.034 [14] 李燕华, 李仲昆, 李丛元, 夏洪颖. 车前草粗多糖对人巨噬细胞免疫功能的调节作用及其机制研究[J/OL]. 中药材, 2020(11): 2795-2798. [15] 王晶, 史琪, 随晶晶, 等. 鳞柄小奥德蘑多糖对巨噬细胞免疫功能的调节作用[J]. 天然产物研究与开发, 2020, 32(5):845-850, 892. [16] 孙林浩, 程安怡, 黄小红, 等. 黄芪多糖对大黄鱼头肾巨噬细胞的免疫调节作用[J]. 应用海洋学学报, 2020, 39(1):27-34. [17] 刘肖肖, 汪雯翰, 冯婷, 等. 金针菇子实体多糖FVPB1对小鼠T细胞和巨噬细胞的免疫调节作用[J]. 食用菌学报, 2019, 26(4):123-130. [18] 季瑞雪, 鹿保鑫, 王新茹, 等. 野生亚侧耳多糖的提取和对巨噬细胞RAW264.7的免疫调节作用研究[J]. 食品工业科技, 2020, 41(4):271-276. [19] 木尼萨·迪力夏提. 阿里红多糖对RAW264.7巨噬细胞免疫调节作用机制的初步研究[D]. 乌鲁木齐: 新疆医科大学, 2019. [20] 热西代姆·阿卜力孜, 李敏, 胡君萍. 锁阳多糖对巨噬细胞RAW264.7的免疫调节作用的影响[J]. 食品安全质量检测学报, 2018, 9(21):5694-5698. doi: 10.3969/j.issn.2095-0381.2018.21.027 [21] 张丽娟, 王珍, 廖尚高. 太子参多糖对RAW 264.7巨噬细胞免疫调节作用的初步研究[J]. 中国野生植物资源, 2018, 37(4):14-17. doi: 10.3969/j.issn.1006-9690.2018.04.003 [22] 吴静, 胡居吾, 熊伟, 等. 樟树果实多糖对巨噬细胞RAW264.7的免疫调节作用[J]. 现代食品科技, 2018, 34(9):12-18, 309. [23] 热孜亚木·吾甫尔, 李月红, 海力茜·陶尔大洪. 恰麻古多糖对巨噬细胞RAW264.7体外免疫调节作用初探[J]. 天然产物研究与开发, 2018, 30(1):15-20.