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Methanolic Extract of Morchella esculenta (Ascomycota), Prevents Chemotherapy Related Cardiotoxicity in Tumour Bearing Mice 莫氏菌(Ascomycota)甲醇提取物可预防肿瘤小鼠与化疗相关的心脏毒性
IF 1.2 4区 生物学 Q4 MYCOLOGY Pub Date : 2024-09-01 DOI: 10.1615/intjmedmushrooms.2024055751
Sneha Das, Kainoor Janardhanan, Anit Mathew
Quest for bioactive that confer protection against chemotherapy induced cardio toxicity is a front-line area of cardio oncology research. Morel mushrooms have been used in traditional medicine to treat asthma, wound healing, cough, cold, indigestion, excessive phlegm and breathlessness. Morchella esculenta, commonly known as Guchhi in India is a highly prized culinary morel mushroom. Recent studies carried out in our laboratory have demonstrated significant cardioprotective effect of M. esculenta against doxorubicin induced cardiotoxicity. Since bioactive extracts of morel mushrooms were found to possess profound antioxidant activity, the possible interference of these extracts with antineoplastic activity of chemotherapy drugs is often surmised. Hence current study was undertaken to evaluate the effect of two anticancer drugs, doxorubicin and cyclophosphamide on solid tumour bearing mice treated with bioactive extract of M.esculenta. Solid tumour was induced by subcutaneous injection of Dalton’s Lymphoma Ascites (DLA) cells on the right hind limbs of Swiss albino mice. Animals were administered with various concentrations of methanol extract of M. esculenta following tumour induction. Tumour growth (volume and mass) was measured for four weeks after tumour induction. Cardioprotective effect of methanolic extract was assessed by determining cardiac injury markers levels in serum, antioxidant status in myocardium and histopathology of heart tissue. The results showed significant cardioprotective effect of methanol extract of M. esculenta on tumour bearing mice The findings also suggest that methanol extract of M. esculenta did not delimit the therapeutic effect of doxorubicin and cyclophosphamide despite its profound antioxidant activity.
寻找能防止化疗引起的心脏毒性的生物活性物质是心脏肿瘤学研究的前沿领域。羊肚菌在传统医学中被用于治疗哮喘、伤口愈合、咳嗽、感冒、消化不良、痰多和呼吸困难。Morchella esculenta 在印度俗称 Guchhi,是一种非常珍贵的烹饪羊肚菌。我们实验室最近进行的研究表明,羊肚菌对多柔比星引起的心脏毒性有显著的保护作用。由于发现羊肚菌的生物活性提取物具有很强的抗氧化活性,人们经常推测这些提取物可能会干扰化疗药物的抗肿瘤活性。因此,本研究评估了两种抗癌药物多柔比星和环磷酰胺对用羊肚菌生物活性提取物治疗实体瘤小鼠的影响。在瑞士白化小鼠右后肢皮下注射道尔顿淋巴瘤腹水(DLA)细胞诱发实体瘤。诱导肿瘤后,给动物注射不同浓度的 M. esculenta 甲醇提取物。在诱导肿瘤后的四周内测量肿瘤的生长情况(体积和质量)。通过测定血清中心脏损伤标志物的水平、心肌的抗氧化状态和心脏组织的组织病理学,评估甲醇提取物对心脏的保护作用。研究结果表明,茜草甲醇提取物对罹患肿瘤的小鼠具有明显的心脏保护作用。研究结果还表明,尽管茜草甲醇提取物具有很强的抗氧化活性,但它并没有限制多柔比星和环磷酰胺的治疗效果。
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引用次数: 0
Hot Water Extract of Caterpillar Medicinal Mushroom Cordyceps militaris (Ascomycetes) Fruiting Body Activates Myeloid Dendritic Cells through a Dectin-1-Mediated Pathway 毛孢药用蘑菇冬虫夏草(子囊菌科)子实体的热水提取物通过 Dectin-1 介导的途径激活髓系树突状细胞
IF 1.2 4区 生物学 Q4 MYCOLOGY Pub Date : 2024-08-01 DOI: 10.1615/intjmedmushrooms.2024055210
Takashi Kanno, Rui Tada, Toyokazu Nakasone, Shigemi Okamatsu, Yoichiro Iwakura, Kazuhiro Tamura, Hiroaki Miyaoka, Yoshiyuki Adachi
The traditional use of Cordyceps militaris, an entomopathogenic fungus, in East Asian medicine has been well documented. Our previous study revealed that the fruiting body powder of C. militaris, referred to as Ryukyu-kaso, contains 1,3-β-glucan and stimulates bone marrow-derived dendritic cells via a dectin-1-dependent pathway. However, the immunomodulatory effects of soluble 1,3-β-glucan in Ryukyu-kaso and the underlying mechanisms remain unclear. In the present study, we aimed to investigate the immunostimulatory effects of the hot water extract of C. militaris fruiting body on bone marrow-derived dendritic cells and the involvement of the β-glucan receptor dectin-1. Our findings revealed that the hot water extract of C. militaris fruiting body contains soluble 1,3-β-glucan and potently induces bone marrow-derived dendritic cells to secrete both pro-inflammatory and immunoregulatory cytokines. RK-HWE significantly increased the secretion of TNF-α, IL-6, IFN-β, IL-12p70, and GM-CSF compared to control (all p < 0.05). For instance, TNF-α secretion increased from 7.82 ± 1.57 pg/mL in control to 403.7 ± 59.7 pg/mL with RK-HWE stimulation (p < 0.001). Notably, these immunostimulatory effects of hot water extract of C. militaris fruiting body were completely abolished in bone marrow-derived dendritic cells derived from dectin-1-knockout mice (p < 0.001 for all cytokines), suggesting that dectin-1 is essential for immunomodulation induced by hot water extract of C. militaris fruiting body. These findings provide novel insights into the mechanisms underlying the immunostimulatory effects of hot water extract of C. militaris fruiting body and highlight its potential as a natural immunomodulatory agent for various therapeutic applications.
冬虫夏草是一种昆虫病原真菌,它在东亚医学中的传统用途已有详细记载。我们之前的研究发现,被称为琉球卡索的冬虫夏草子实体粉末含有 1,3-β-葡聚糖,能通过依赖于右旋糖酐-1 的途径刺激骨髓树突状细胞。然而,琉球卡索中可溶性 1,3-β 葡聚糖的免疫调节作用及其内在机制仍不清楚。在本研究中,我们旨在研究琉球菰子实体热水提取物对骨髓树突状细胞的免疫刺激作用以及β-葡聚糖受体 dectin-1 的参与。我们的研究结果表明,绿僵菌子实体的热水提取物含有可溶性 1,3-β 葡聚糖,能有效诱导骨髓树突状细胞分泌促炎和免疫调节细胞因子。与对照组相比,RK-HWE 能明显增加 TNF-α、IL-6、IFN-β、IL-12p70 和 GM-CSF 的分泌(所有 p 均为 0.05)。例如,在 RK-HWE 刺激下,TNF-α 的分泌量从对照组的 7.82 ± 1.57 pg/mL 增加到 403.7 ± 59.7 pg/mL(p < 0.001)。值得注意的是,在Dectin-1基因敲除小鼠的骨髓树突状细胞中,C. militaris子实体热水提取物的这些免疫刺激作用被完全取消(所有细胞因子的p < 0.001),这表明Dectin-1对于C. militaris子实体热水提取物诱导的免疫调节是必不可少的。这些研究结果为我们提供了新的视角,使我们了解到小米草子实体热水提取物的免疫刺激作用机制,并凸显了其作为天然免疫调节剂在各种治疗应用中的潜力。
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引用次数: 0
Enhancement of Cordycepin Production Through Liquid Static Fermentation of Caterpillar Medicinal Mushroom Cordycep militaris (Ascomycetes) 通过液体静态发酵提高毛虫药用蘑菇虫草菌(子囊菌)的虫草素产量
IF 1.2 4区 生物学 Q4 MYCOLOGY Pub Date : 2024-08-01 DOI: 10.1615/intjmedmushrooms.2024055323
Mahesh Borde, Shweta Kumawat, Sanjay K. Singh
Cordycepin (3′-deoxyadenosine) is a bioactive nucleoside analogue synthesise by Cordyceps militaris. Liquid fermentation of C. militaris by addition in different concentrations of five additives singly was evaluated. glycine at 15.00 g/L after 20 days enhanced the cordycepin of 1773.33 mg/L (15-fold increment over control). adenine at 4.00 g/L and 6.00 g/L in the liquid media showed significantly higher cordycepin i.e.1596.66 mg/L and 1550.00 mg/L (3-fold increment over control) after 40 days. Tryptone supplementation 14.00 g/L significantly higher cordycepin 784.33 mg/L (6.70-fold increment over control) and 912.66 mg/L production after 20 and 40 days of inoculation. Peanut oil at 10.00 g/L produced 585.66 mg/L (5-fold increment over control) cordycepin after 20 days and after 40 days, also addition of Peanut oil at 20.00 g/L and 30.00 g/L in the media showed 631.66 and 624.31 mg/L cordycepin content. Supplementation of monosodium glutamate at 0.30 g/L produced significantly highest cordycepin i.e. 614 mg/L and 635.00 mg/L cordycepin after 20 and 40 days respectively.
虫草素(3′-脱氧腺苷)是冬虫夏草合成的一种生物活性核苷类似物。在液体培养基中添加 4.00 克/升和 6.00 克/升的腺嘌呤,40 天后,虫草素的含量明显增加,分别为 1596.66 毫克/升和 1550.00 毫克/升(比对照组增加 3 倍)。胰蛋白胨添加量为 14.00 克/升,接种 20 天和 40 天后,虫草素产量分别为 784.33 毫克/升(比对照高出 6.70 倍)和 912.66 毫克/升(比对照高出 3 倍)。在培养基中添加 10.00 克/升的花生油,20 天和 40 天后虫草素产量分别为 585.66 毫克/升(比对照高 5 倍),添加 20.00 克/升和 30.00 克/升的花生油,虫草素含量分别为 631.66 毫克/升和 624.31 毫克/升。添加 0.30 克/升的谷氨酸钠在 20 天和 40 天后产生的虫草素明显最高,分别为 614 毫克/升和 635.00 毫克/升。
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引用次数: 0
Inhibitory Effects of the Methanol Extract of the Golden Chanterelle Mushroom Cantharellus cibarius (Agaricomycetes) Against Human Acute Myeloid Leukemia Cell Line 金黄鸡油菌(姬松茸)甲醇提取物对人类急性髓性白血病细胞株的抑制作用
IF 1.2 4区 生物学 Q4 MYCOLOGY Pub Date : 2024-08-01 DOI: 10.1615/intjmedmushrooms.2024055328
Zhihong Xu, Antonio Shall, Eric Dadey, Qiong Wu, Zhijian Qian
Currently available treatments for acute myeloid leukemia exhibit side effects that limit their use, with primary and secondary resistance as persistent issues. While edible mushrooms possess nutritional value, they are also an excellent source of bioactive compounds that may have the potential to treat multiple disease states. The aim of the present study was to investigate the in vitro inhibitory effects of chromatographic fractions from the methanol extract of Cantharellus cibarius in a human acute myeloid leukemia (AML) cell line MV4-11. The mushrooms were purchased from a grocery store, the fruiting bodies were triturated and then extracted with 99.9% methanol to generate a crude extract. This crude extract was then redissolved in methanol, filtered over cotton to remove insoluble solids, and then fractionated over Sephadex® LH-20. Each fraction was dried and then analyzed by reverse-phase HPLC. A typical UV wavelength was selected for the detection of possible anticancer compounds in C. cibarius based on the major chromophores in main fungal anticancer agents reported. Based on chromatographic profiles, specific fractions that might contain potential anticancer agents were combined, and the inhibitory activity of the combined fractions was assessed against the MV4-11 leukemia cell line. Data confirmed that one combined fraction LH-20F-IV showed the greatest degree of in vitro inhibitory activity against the selected cell line. Fast determination of the potential anticancer compound containing fraction was completed through the application of reported chemoinformatics on HPLC detection of possible chromophores in potential anticancer agents, in combination with cellular bioassays.
目前现有的急性髓性白血病治疗方法所表现出的副作用限制了它们的使用,原发性和继发性抗药性是长期存在的问题。食用菌具有营养价值,同时也是生物活性化合物的极佳来源,可能具有治疗多种疾病的潜力。本研究的目的是调查从西巴瑞菇甲醇提取物中提取的色谱馏分对人类急性髓性白血病(AML)细胞系 MV4-11 的体外抑制作用。蘑菇是从杂货店购买的,子实体经三叉处理后用 99.9% 的甲醇提取,生成粗提取物。然后将粗提取物重新溶于甲醇,用棉花过滤以去除不溶性固体,再用 Sephadex® LH-20 进行分馏。每个馏分干燥后采用反相高效液相色谱法进行分析。根据已报道的主要真菌抗癌剂中的主要发色团,选择了一种典型的紫外波长来检测 Cibarius 中可能的抗癌化合物。根据色谱图,合并了可能含有潜在抗癌剂的特定馏分,并评估了合并馏分对 MV4-11 白血病细胞系的抑制活性。数据证实,一种组合馏分 LH-20F-IV 对所选细胞株的体外抑制活性最强。通过应用已报道的化学信息学方法对潜在抗癌剂中可能存在的发色团进行高效液相色谱检测,并结合细胞生物测定,快速确定了含有潜在抗癌化合物的馏分。
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引用次数: 0
Optimization of Mycelial Growth Parameters in Lion’s Mane Edible Medicinal Mushroom Hericium erinaceus (Agaricomycetes) by Supplementation of Growth Hormones 通过补充生长激素优化狮鬃食用药用菌 Hericium erinaceus(姬松茸)的菌丝生长参数
IF 1.2 4区 生物学 Q4 MYCOLOGY Pub Date : 2024-08-01 DOI: 10.1615/intjmedmushrooms.2024055204
Stanzin Disket, Sachin Gupta, Moni Gupta, Pavleen Kour, Laxmi Devi, Ranbir Singh
The present study was carried out to optimize the strain and evaluate the effectof amendment of growth media with different hormone concentrations for enhancingmycelium growth of lion’s mane mushroom (Hericium erinaceus) under in vitro conditions. Among the five strains of H. erinaceus, He-04 strain showed maximum GRavr of 4.78 mm d-1 . Different media viz., potato dextrose agar (PDA), malt extract agar (MEA), sawdust extract agar (SDEA), wheat straw extract agar (WSEA) and rice straw extract agar (RSEA) amended with four concentrations (10, 20, 30 and 40 ppm) of gibberellic acid, kinetin and indole acetic acid were evaluated for promotion of mycelial growth of H. erinaceus. PDA was observed to be the best media promoting the mycelial growth of H. erinaceus. The highest mycelial GRavr 8.47 mm d -1 was observed in PDA amended with indole acetic acid (10 ppm) followed by gibberellic acid and kinetin (30 ppm) decreasing mycelial GRav to 8.15 and 7.75mm d -1 respectively. Temperature of 25°C and pH 7.0 was found to be the best for mycelium growth of H. erinaceus.
本研究旨在优化菌株,并评估在体外条件下用不同浓度的激素添加生长培养基对促进狮鬃菇(Hericium erinaceus)菌丝生长的影响。在五株狮头菇菌株中,He-04 菌株的 GRavr 最大,为 4.78 mm d-1 。对马铃薯葡萄糖琼脂(PDA)、麦芽提取物琼脂(MEA)、锯末提取物琼脂(SDEA)、小麦秸秆提取物琼脂(WSEA)和大米秸秆提取物琼脂(RSEA)等不同培养基进行了评估,这些培养基分别添加了四种浓度(10、20、30 和 40 ppm)的赤霉素、激肽和吲哚乙酸,以促进麦角菌丝生长。结果表明,PDA 是促进麦角菌丝生长的最佳培养基。在添加了吲哚乙酸(10 ppm)的 PDA 中观察到最高的菌丝 GRavr 为 8.47 mm d -1 ,其次是赤霉素和激肽(30 ppm),菌丝 GRavr 分别降至 8.15 和 7.75 mm d -1 。研究发现,25°C 的温度和 7.0 的 pH 值最适合麦角菌菌丝生长。
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引用次数: 0
In Silico Investigation of Suillin Derived from Suillus luteus Mushroom (Agaricomycetes), Targeting Acetylcholinesterase: Docking and Virtual Screening Study 以乙酰胆碱酯酶为靶标的姬松茸(姬松茸属)提取物水苏碱的硅学研究:对接和虚拟筛选研究
IF 1.2 4区 生物学 Q4 MYCOLOGY Pub Date : 2024-08-01 DOI: 10.1615/intjmedmushrooms.2024055215
ADITYA GANESHPURKAR, Ankit Ganeshpurkar, Pushpendra Kumar Khangar, Likhit Akotkar, Swati Jain, Harshal Prajapati, Nazneen Dubey
This study integrates bioinformatics and computer-aided drug discovery to assess Suillin's therapeutic potential, particularly its interaction with acetylcholinesterase (AChE). Alzheimer's disease presents profound challenges, necessitating effective treatments to mitigate cognitive decline and improve patient quality of life. While current medications offer symptomatic relief, they often entail adverse effects and do not address theunderlying disease progression. Natural sources, such as macrofungi mushrooms, hold promise for novel drug discovery due to their bioactive compounds; diverse therapeutic properties. Suillin, derived from Suillus luteus mushrooms, shows promise as a mixed-type AChE inhibitor, crucial for maintaining acetylcholine levels in neurodegenerative disorders like Alzheimer's disease. Computational docking studies reveal suillin's distinctive interactions with AChE, suggesting potential modulation of enzyme function through various bonding mechanisms. The Molinspiration drug-likeness score further supports Suillin's efficacy, indicating its suitability for enzyme inhibition. By combining computational and bioinformatics approaches, this study elucidates suillin's molecular interactions and underscores its potential as a therapeutic agent.
这项研究整合了生物信息学和计算机辅助药物发现,以评估Suillin的治疗潜力,特别是它与乙酰胆碱酯酶(AChE)的相互作用。阿尔茨海默病带来了深远的挑战,需要有效的治疗方法来缓解认知能力下降并改善患者的生活质量。虽然目前的药物可以缓解症状,但往往会产生不良反应,而且不能解决疾病进展的根本问题。天然资源,如大型真菌蘑菇,因其生物活性化合物和多样化的治疗特性,为新型药物的发现带来了希望。蘑菇中提取的 Suillin 是一种混合型 AChE 抑制剂,对维持阿尔茨海默氏症等神经退行性疾病中的乙酰胆碱水平至关重要。计算对接研究揭示了suillin与乙酰胆碱酯酶的独特相互作用,表明它可能通过各种键合机制调节酶的功能。Molinspiration 药物相似性评分进一步支持了 Suillin 的药效,表明它适合用于酶抑制。通过结合计算和生物信息学方法,本研究阐明了麂皮苷的分子相互作用,并强调了其作为治疗药物的潜力。
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引用次数: 0
Efficacy of Lingzhi or Reishi Medicinal Mushroom Ganoderma lucidum (Agaricomycetes) Supplementation on Psychological Stress and Selective Fitness Profile Parameters in Female College Students in West Bengal, India 补充灵芝或灵芝药用蘑菇灵芝(姬松茸)对印度西孟加拉邦女大学生心理压力和选择性体能特征参数的功效
IF 1.2 4区 生物学 Q4 MYCOLOGY Pub Date : 2024-08-01 DOI: 10.1615/intjmedmushrooms.2024055300
Sudeep Mitra, Mousumi Mitra, Dilip Kumar Nandi, Mantu Saha, Amit Bandyopadhyay
Psychological disparities impact physical activity and fitness in sedentary female college students by affecting cardiovascular efficiency. Ganoderma lucidum, vitality-enhancing herb alleviates health and rejuvenates the mind-body to improve endurance fitness. A double-blinded, randomized, placebo-controlled parallel design study was conducted to determine whether supplementation of G. lucidum in daily dosages of 500 mg and 1000 mg improves psychophysiological health capabilities during the different phases of the experimental trial. Analysis for pre-experimental trial (0 day), experimental trial (15thday), and post-experimental trial (after 30th day) on anthropometric, psychological, physiological and physical fitness parameters were executed. Seventy-eight participants (n=78, age=20.64±3.21 years) were assigned randomly and equally divided (n=26) to one of the three treatment groups for intragroup and intergroup comparisons. Significant differences in the post-experimental G. lucidum1000mg supplementation group for heart rate (HR), maximal oxygen consumption (VO2max), physical work capacity (PWC170) and right-hand grip strength (p<0.05) in comparison to the placebo group were observed. G. lucidum1000mgsupplemented group also significantly improved (p<0.05) HR, VO2 max and PWC170 (p<0.001) after pre- to post-trials. Experimental trial between placebo and G.lucidum1000mg group and post-experimental trial between G. lucidum500mg and G. lucidum1000mg group showed significant changes in VO2max (p<0.001) and PWC170 (p<0.05). Anxiety, depression, vitality and positive wellbeing scores significantly improved, leading to improved psychological well-being after G. lucidum1000mg supplementation. G. lucidum1000mg supplementation for 30 days might act as a longevity-promoting tonic for endurance and strength performance by ameliorating stress to improve the overall psychophysiological health, vitality and quality of life for better cardiovascular efficacy.
心理差异通过影响心血管效率来影响久坐女大学生的体育锻炼和体能。灵芝是一种增强生命力的草药,它能缓解健康状况,恢复身心活力,从而提高耐力。研究人员进行了一项双盲、随机、安慰剂对照的平行设计研究,以确定在实验的不同阶段,以每天 500 毫克和 1000 毫克的剂量补充灵芝是否能改善心理生理健康能力。对实验前(0 天)、实验中(第 15 天)和实验后(第 30 天后)的人体测量、心理、生理和体能参数进行了分析。78 名参与者(n=78,年龄=20.64±3.21 岁)被随机平均分配到三个治疗组中的一个组(n=26),进行组内和组间比较。与安慰剂组相比,实验后补充 G. lucidum1000mg 组的心率(HR)、最大耗氧量(VO2max)、体力劳动能力(PWC170)和右手握力(p<0.05)均有显著差异。从试验前到试验后,补充绿藻1000毫克的组也显著改善了(p<0.05)心率、最大氧消耗量和PWC170(p<0.001)。安慰剂组与灵芝 1000 毫克组之间的实验试验以及灵芝 500 毫克组与灵芝 1000 毫克组之间的实验后试验显示,VO2max(p<0.001)和 PWC170(p<0.05)均有显著变化。焦虑、抑郁、活力和积极健康评分均有明显改善,这表明在补充了1000毫克绿巨人后,心理健康得到了改善。连续30天补充G. lucidum1000mg可作为一种长寿滋补品,通过改善压力来提高耐力和力量表现,从而改善整体心理生理健康、活力和生活质量,提高心血管功效。
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引用次数: 0
Health Risk Assessment for Ingestion of Edible Mushrooms Contaminated by Chromium 摄入受铬污染的食用菌的健康风险评估
IF 1.2 4区 生物学 Q4 MYCOLOGY Pub Date : 2024-08-01 DOI: 10.1615/intjmedmushrooms.2024055570
Sharon Alethia de Lucio Flores, Juan Carlos Gaytán Oyarzun, Roberto Garibay Orijel, Griselda Pulido Flores
A health risk assessment was carried out to determine the probability of damage and carcinogenic effects from consumption of mushrooms potentially contaminated by Cr, based on data reported by López-Vázquez and Prieto-García 2016 in Hidalgo state.1 The evaluation was carried out based on an environmental risk indicator: potential ecological risk (Er); and two health risk indicators: the hazard quotient, non-cancer damage (HQ) and the risk of increase of individual cancer (RIIC). The results showed that there is a high probability of carcinogenic damage for the 3 regions where older adults and pregnant are the most vulnerable sectors. Due to the traditional use of edible mushrooms in Mexico, the evidence of bioaccumulation of heavy metals of toxicological interest (MTI) in fungal species, as well as the notable damage to health due to their consumption; the monitoring and implementation of standards that regulate their consumption and ensuring their food safety is essential is essential. More research is required to support the use of these evaluations.
根据 López-Vázquez 和 Prieto-García 2016 年在伊达尔戈州报告的数据,开展了一项健康风险评估,以确定食用可能受铬污染的蘑菇所造成的损害和致癌影响的概率。结果表明,3 个地区的致癌损害概率很高,其中老年人和孕妇是最易受影响的群体。由于墨西哥传统上使用食用菌,有证据表明在真菌物种中存在毒理学意义重金属(MTI)的生物累积,以及食用蘑菇对健康造成的显著损害;因此必须监测和实施规范食用蘑菇的标准,确保其食品安全。需要开展更多的研究来支持这些评估的使用。
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引用次数: 0
Chitin and Its Derivative Chitosan: Distribution in Nature, Applications Realm, and Technology Research (A Review) 甲壳素及其衍生物壳聚糖:自然界的分布、应用领域和技术研究(综述)
IF 1.2 4区 生物学 Q4 MYCOLOGY Pub Date : 2024-07-01 DOI: 10.1615/intjmedmushrooms.2024055012
Vladimir Perelygin, Mikhail Zharikov, Ivan Zmitrovich, Tatyana Nekrasova
The present review highlights the chitin/chitosan as biopolymers that are promising for biomedical research development. Our goal was to assess the potential for practical use of these biopolymers and to summarize information on traditional and innovative technologies for their production and purification. The widespread occurrence of chitin and chitosan in nature as well as the unique chemical and biological properties of chitosan are reasons of growing interest in the use of the latter in several pharmaceutical fields. The main stages of chitin extraction and its further modification into chitosan are deproteinization, demineralization, deacetylation, and the main methods of chitosan purification are filtration, dialysis and reprecipitation. The profitability of the production of chitin/chitosan from crustaceans and edible mushrooms is approximately at the same level. The cost of mushroom products can be reduced by using agricultural or forestry waste as nutrient substrates. This makes the use of fungi as sources of chitin/chitosan in forested regions a rather promising issue.
本综述重点介绍了甲壳素/壳聚糖这种有望用于生物医学研究开发的生物聚合物。我们的目标是评估这些生物聚合物的实际应用潜力,并总结有关其生产和纯化的传统和创新技术的信息。甲壳素和壳聚糖在自然界中的广泛存在以及壳聚糖独特的化学和生物特性,使人们对后者在多个制药领域的应用越来越感兴趣。提取甲壳素并将其进一步改性成壳聚糖的主要阶段是脱蛋白、脱矿物质和脱乙酰基,壳聚糖纯化的主要方法是过滤、透析和再沉淀。用甲壳类动物和食用菌生产甲壳素/壳聚糖的利润率大致相同。使用农业或林业废料作为营养基质可以降低蘑菇产品的成本。因此,在森林地区利用真菌作为甲壳素/壳聚糖的来源是一个相当有前景的问题。
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引用次数: 0
Medicinal Tiger Milk Mushroom Lignosus rhinocerus TM02® (Agaricomycetes) Sclerotia Supplementation Mitigates Hypertension and Alleviates Vascular Dysfunction Partly Through Oxidative Stress Modulation in Spontaneously Hypertensive Rats 补充药用虎乳菇 Lignosus rhinocerus TM02®(姬松茸)菌丝体可部分通过调节氧化应激缓解自发性高血压大鼠的高血压并减轻血管功能障碍
IF 1.2 4区 生物学 Q4 MYCOLOGY Pub Date : 2024-07-01 DOI: 10.1615/intjmedmushrooms.2024055061
Yi En Wong, Muhammad Fazril Mohamad Razif, Szu-Ting Ng, Chon-Seng Tan, Shin Yee Fung, Dharmani Murugan
Hypertension is a risk factor for cardiovascular diseases such as coronary artery disease, heart failure and stroke. Lignosus rhinocerus (Cooke) Ryvarden (also known as tiger milk mushroom) has been reported to exhibit a range of pharmacological effects, such as anti-inflammatory, anti-proliferative, antioxidative, immunomodulatory and anti-asthmatic activities. Thus far, limited research has explored its ability to mediate vascular effects in vivo. Therefore, this study investigated the antihypertensive and vascular protective effects of L. rhinocerus TM02® sclerotia supplementation in spontaneously hypertensive rats (SHR). Wistar Kyoto (WKY) rats served as a normotensive control group. SHR were orally administered with L. rhinocerus TM02® sclerotia (100 mg/kg and 300 mg/kg, respectively) for 8 weeks, and blood pressure was monitored every 2 weeks. Vascular function was evaluated using an organ bath (aorta) and wire myograph (renal artery) at the treatment endpoint. The levels of reactive oxygen species (ROS) and nitric oxide (NO) in the aorta and renal artery were evaluated using dihydroethidium (DHE) and difluoro fluorescein acetate (DAF-FM) fluorescence assays, respectively. Total plasma nitrate/nitrite and tumor necrosis factor alpha (TNF-α) levels were evaluated via colorimetric assays. In vivo treatment with L. rhinocerus TM02® sclerotia significantly attenuated the increase in systolic blood pressure (SBP). It also alleviated vascular dysfunction and decreased elevated ROS in the aorta and renal arteries of the treated SHRs. Moreover, L. rhinocerus TM02® sclerotia attenuated plasma TNF-α level but increased total plasma nitrate/nitrite, albeit slightly, coupled with significantly increased NO at the vascular level. Collectively, the present study demonstrated that L. rhinocerus TM02® sclerotia supplementation exerted blood pressure lowering effects, partly attributed to improvements in vascular function via reduction in vascular oxidative stress.
高血压是冠心病、心力衰竭和中风等心血管疾病的危险因素。据报道,Lignosus rhinocerus (Cooke) Ryvarden(又称虎皮乳菇)具有一系列药理作用,如抗炎、抗增殖、抗氧化、免疫调节和抗哮喘。迄今为止,对其在体内介导血管效应能力的研究还很有限。因此,本研究对自发性高血压大鼠(SHR)补充犀角菌 TM02® 的降压和血管保护作用进行了调查。Wistar Kyoto(WKY)大鼠作为正常血压对照组。自发性高血压大鼠口服鼻炎灵 TM02® 硬菌(分别为 100 毫克/千克和 300 毫克/千克)8 周,每 2 周监测一次血压。在治疗终点,使用器官浴(主动脉)和钢丝肌电图(肾动脉)评估血管功能。主动脉和肾动脉中的活性氧(ROS)和一氧化氮(NO)水平分别通过二氢乙锭(DHE)和二氟醋酸荧光素(DAF-FM)荧光测定法进行评估。血浆硝酸盐/亚硝酸盐总量和肿瘤坏死因子α(TNF-α)水平通过比色法进行评估。用鼻炎灵 TM02® 硬菌进行体内治疗可显著降低收缩压(SBP)的升高。它还缓解了血管功能障碍,降低了接受治疗的 SHR 主动脉和肾动脉中升高的 ROS。此外,L. rhinocerus TM02® sclerotia 能降低血浆 TNF-α 水平,但能增加血浆硝酸盐/亚硝酸盐总量,尽管增加幅度较小,同时还能显著增加血管中的 NO。总之,本研究表明,补充鼻炎灵 TM02® 硬菌具有降低血压的作用,部分原因是通过降低血管氧化应激改善了血管功能。
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International journal of medicinal mushrooms
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