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Ganoderma lucidum

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https://www.readbyqxmd.com/read/28340576/polysaccharides-from-ganoderma-lucidum-attenuate-microglia-mediated-neuroinflammation-and-modulate-microglial-phagocytosis-and-behavioural-response
#1
Qing Cai, Yuanyuan Li, Gang Pei
BACKGROUND: Ganoderma lucidum (GL) has been widely used in Asian countries for hundreds of years to promote health and longevity. The pharmacological functions of which had been classified, including the activation of innate immune responses, suppression of tumour and modulation of cell proliferations. Effective fractions of Ganoderma lucidum polysaccharides (GLP) had already been reported to regulate the immune system. Nevertheless, the role of GLP in the microglia-mediated neuroinflammation has not been sufficiently elucidated...
March 24, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28336949/induction-of-apoptosis-and-ganoderic-acid-biosynthesis-by-camp-signaling-in-ganoderma-lucidum
#2
Bang-Jau You, Ni Tien, Miin-Huey Lee, Bo-Ying Bao, Yih-Shyuan Wu, Tsung-Chi Hu, Hong-Zin Lee
Apoptosis is an essential physiological process that controls many important biological functions. However, apoptosis signaling in relation to secondary metabolite biosynthesis in plants and fungi remains a mystery. The fungus Ganoderma lucidum is a popular herbal medicine worldwide, but the biosynthetic regulation of its active ingredients (ganoderic acids, GAs) is poorly understood. We investigated the role of 3',5'-cyclic adenosine monophosphate (cAMP) signaling in fungal apoptosis and GA biosynthesis in G...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28326038/ganoderic-acid-a-metabolites-and-their-metabolic-kinetics
#3
Fang-Rui Cao, Li Feng, Lin-Hu Ye, Li-Sha Wang, Bing-Xin Xiao, Xue Tao, Qi Chang
Ganoderic acid A (GAA), a representative active triterpenoid from Ganoderma lucidum, has been reported to exhibit antinociceptive, antioxidative, cytotoxic, hepatoprotective and anticancer activities. The present study aims (1) to identify GAA metabolites, in vivo by analyzing the bile, plasma and urine after intravenous administration to rats (20 mg/kg), and in vitro by incubating with rat liver microsomes (RLMs) and human liver microsomes (HLMs); (2) to investigate the metabolic kinetics of main GAA metabolites...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28322149/characterization-of-polysaccharides-from-the-fruiting-bodies-of-two-species-of-genus-ganoderma-agaricomycetes-and-determination-of-water-soluble-%C3%AE-d-glucan-using-high-performance-liquid-chromatography
#4
Yanfang Liu, Qingjiu Tang, Yan Yang, Shuai Zhou, Di Wu, Chuanhong Tang, Zhong Zhang, Mengqiu Yan, Jie Feng, Jing-Song Zhang
Molecular weight (Mw) distributions of polysaccharides from the fruiting bodies of different Ganoderma lucidum strains and G. sinense were investigated and compared using high-pressure size exclusion chromatography/multiangle laser light scattering/refractive index analysis. Results showed that there were big differences in the Mw distributions and characteristics of polysaccharides from 2 species of Ganoderma. All tested G. lucidum materials exhibited similar polysaccharide distributions and similar characteristics for each fraction...
2017: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/28322148/effects-of-exogenous-salicylic-acid-on-ganoderic-acid-biosynthesis-and-the-expression-of-key-genes-in-the-ganoderic-acid-biosynthesis-pathway-in-the-lingzhi-or-reishi-medicinal-mushroom-ganoderma-lucidum-agaricomycetes
#5
Peng-Fei Cao, Chen-Gao Wu, Zhi-Hao Dang, Liang Shi, Ai-Liang Jiang, Ang Ren, Ming-Wen Zhao
We demonstrate herein that salicylic acid (SA) can enhance ganoderic acid (GA) accumulation in the lingzhi or reishi medicinal mushroom Ganoderma lucidum. Following treatment with different concentrations of SA, the GA content was increased 22.72% to 43.04% compared with the control group. When the fungi were treated with 200 μmol/L SA at different times, the GA content was improved 10.21% to 35.24% compared with the control group. By choosing the optimum point based on response surface methodology, the GA content could be increased up to 229...
2017: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/28264501/anticancer-and-anti-inflammatory-properties-of-ganoderma-lucidum-extract-effects-on-melanoma-and-triple-negative-breast-cancer-treatment
#6
Antonio Barbieri, Vincenzo Quagliariello, Vitale Del Vecchio, Michela Falco, Antonio Luciano, Nagoth Joseph Amruthraj, Guglielmo Nasti, Alessandro Ottaiano, Massimiliano Berretta, Rosario Vincenzo Iaffaioli, Claudio Arra
Among the most important traditional medicinal fungi, Ganoderma lucidum has been used as a therapeutic agent for the treatment of numerous diseases, including cancer, in Oriental countries. The aim of this study is to investigate the anti-inflammatory, anticancer and anti-metastatic activities of Ganoderma lucidum extracts in melanoma and triple-negative breast cancer cells. Ganoderma lucidum extracts were prepared by using common organic solvents; MDA-MB 231 and B16-F10 cell lines were adopted as cellular models for triple-negative breast cancer and melanoma and characterized for cell viability, wound-healing assay and measurement of cytokines secreted by cancer cells under pro-inflammatory conditions (incubation with lipopolysaccharide, LPS) and pretreatment with Ganoderma lucidum extract at different concentrations...
February 28, 2017: Nutrients
https://www.readbyqxmd.com/read/28199921/pilot-scale-bioconversion-of-rice-and-sunflower-agro-residues-into-medicinal-mushrooms-and-laccase-enzymes-through-solid-state-fermentation-with-ganoderma-lucidum
#7
P D Postemsky, M A Bidegain, R González-Matute, N D Figlas, M A Cubitto
Solid-state fermentation was evaluated at the pilot-scale for the bioconversion and valorization of rice husks and straw (RSH), or sunflower seed hulls (SSH), into medicinal mushrooms and crude extracts, with laccase activity. The average mushroom yield was 56kg dry weight per ton of agro-residues. Laccase activity in crude aqueous extracts showed its maximum value of 10,927Ukg(-1) in RSH (day 10, Exudate phase) and 16,442Ukg(-1) in SSH (day 5, Full colonization phase), the activity at the Residual substrate phase being 511Ukg(-1) in RSH and 803Ukg(-1) in SSH, respectively...
May 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28198137/membrane-fluidity-is-involved-in-the-regulation-of-heat-stress-induced-secondary-metabolism-in-ganoderma-lucidum
#8
Yong-Nan Liu, Tian-Jun Zhang, Xiao-Xiao Lu, Bao-Liang Ma, Ang Ren, Liang Shi, Ai-Liang Jiang, Han-Shou Yu, Ming-Wen Zhao
Ganoderma lucidum has become a potential model system for evaluating how environmental factors regulate the secondary metabolism of basidiomycetes. Heat stress (HS) is one of the most important environmental factors. It was previously reported that HS could induce the biosynthesis of ganoderic acids (GA). In this study, we found that HS increased GA biosynthesis and also significantly increased cell membrane fluidity. Furthermore, our results showed that addition of the membrane rigidifier DMSO could revert the increased GA biosynthesis elicited by HS...
February 15, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28198003/induction-of-cbl-dependent-epidermal-growth-factor-receptor-degradation-in-ling-zhi-8-suppressed-lung-cancer
#9
Tung-Yi Lin, Hsien-Yeh Hsu, Wei-Hsuan Sun, Tsung-Han Wu, Shu-Ming Tsao
Activating mutation of epidermal growth factor receptor (EGFR) is correlated with malignant lung tumor. In this study, we demonstrated that recombinant LZ-8 (rLZ-8), a medicinal mushroom Ganoderma lucidum protein, induced cell cycle arrest and apoptosis by downregulating the expression of wild-type and mutated EGFR and inhibiting EGFR downstream effectors, AKT and ERK1/2 in lung cancer cells. We showed that rLZ-8 effectively inhibited lung cancer progression and suppressed EGFR expression of lung tumor lesions in mouse model...
February 15, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28183232/triterpenoids-and-polysaccharide-peptides-enriched-ganoderma-lucidum-a-randomized-double-blind-placebo-controlled-crossover-study-of-its-antioxidation-and-hepatoprotective-efficacy-in-healthy-volunteers
#10
RANDOMIZED CONTROLLED TRIAL
Hui-Fang Chiu, Hui-Yu Fu, Yan-Ying Lu, Yi-Chun Han, You-Cheng Shen, Kamesh Venkatakrishnan, Oksana Golovinskaia, Chin-Kun Wang
CONTEXT: Ganoderma lucidum (Leyss: Fr) Karst. (Polyporaceae) is an oriental medicinal fungus, commonly used in traditional Chinese medicine (TCM) for treating various condition or diseases such as hypertension, hyperglycaemia, hepatitis and cancer. OBJECTIVE: The current study examines whether triterpenoids and polysaccharide-enriched G. lucidum (GL) influence antioxidation and hepatoprotective efficacy by suppressing oxidative stress. MATERIALS AND METHODS: Forty-two healthy subjects (22 male and 20 female) were recruited and segregated into two groups as experimental or placebo and requested to intake GL (n = 21) or placebo (n = 21) capsule (225 mg; after lunch or dinner) for six consecutive months and vice versa with one month washout period in between...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28177845/analysis-of-the-oligopeptide-transporter-gene-family-in-ganoderma-lucidum-structure-phylogeny-and-expression-patterns
#11
Quanju Xiang, Keyu Shen, Xiumei Yu, Ke Zhao, Yunfu Gu, Xiaoping Zhang, Xiaoqiong Chen, Qiang Chen
Oligopeptide transporters (OPTs) are believed to transport broad-ranges of substrates across the plasma membrane from the extracellular environment into the cell and are thought to contribute to various biological processes. In the present study, 13 putative OPTs (Gl-OPT1 to Gl-OPT13) were identified through extensive search of Ganoderma lucidum genome database. Phylogenetic analysis with OPTs from other fungi and plants indicates that these genes can be further divided into five groups. Motif compositions of OPT members are highly conserved in each group, indicative of functional conservation...
November 14, 2016: Genome Génome / Conseil National de Recherches Canada
https://www.readbyqxmd.com/read/28143662/screening-and-analysis-of-potential-anti-tumor-components-from-the-stipe-of-ganoderma-sinense-using-high-performance-liquid-chromatography-time-of-flight-mass-spectrometry-with-multivariate-statistical-tool
#12
Kar-Man Chan, Grace Gar-Lee Yue, Ping Li, Eric Chun-Wai Wong, Julia Kin-Ming Lee, Edward J Kennelly, Clara Bik-San Lau
According to Chinese Pharmacopoeia 2015 edition, Ganoderma (Lingzhi) is a species complex that comprise of Ganoderma lucidum and Ganoderma sinense. The bioactivity and chemical composition of G. lucidium had been studied extensively, and it was shown to possess antitumor activities in pharmacological studies. In contrast, G. sinense has not been studied in great detail. Our previous studies found that the stipe of G. sinense exhibited more potent antitumor activity than the pileus. To identify the antitumor compounds in the stipe of G...
March 3, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28140757/structure-and-bioactivities-of-a-polysaccharide-isolated-from-ganoderma-lucidum-in-submerged-fermentation
#13
Aisikaer Ai-Lati, Shuangping Liu, Zhongwei Ji, Hao Zhang, Jian Mao
In this study, a Ganoderma lucidum polysaccharide GLP-1-1 was isolated from a culture broth with Mw of 22014 Da. Monosaccharide contained glucose, mannose, and galactose with mole percentages of 92.33%, 7.55%, and 0.22%, respectively. Moreover, FTIR and methylation analysis were conducted to characterize the structural properties of GLP-1-1. The results of antioxidant activity analysis showed that GLP-1-1 had a great DPPH and ABTS radical scavenging activity. Meanwhile, GLP-1-1 also exhibited anti-tumor activity to A431 and MDA-MB-231 cells, and inhibitory rates were dose-dependent...
January 31, 2017: Bioengineered
https://www.readbyqxmd.com/read/28124773/alteration-in-the-ultrastructural-morphology-of-mycelial-hyphae-and-the-dynamics-of-transcriptional-activity-of-lytic-enzyme-genes-during-basidiomycete-morphogenesis
#14
Elena Vetchinkina, Maria Kupryashina, Vladimir Gorshkov, Marina Ageeva, Yuri Gogolev, Valentina Nikitina
The morphogenesis of macromycetes is a complex multilevel process resulting in a set of molecular-genetic, physiologicalbiochemical, and morphological-ultrastructural changes in the cells. When the xylotrophic basidiomycetes Lentinus edodes, Grifola frondosa, and Ganoderma lucidum were grown on wood waste as the substrate, the ultrastructural morphology of the mycelial hyphal cell walls differed considerably between mycelium and morphostructures. As the macromycetes passed from vegetative to generative development, the expression of the tyr1, tyr2, chi1, chi2, exg1, exg2, and exg3 genes was activated...
January 26, 2017: Journal of Microbiology / the Microbiological Society of Korea
https://www.readbyqxmd.com/read/28124732/the-improvement-of-m1-polarization-in-macrophages-by-glycopeptide-derived-from-ganoderma-lucidum
#15
Li-Xin Sun, Zhi-Bin Lin, Jie Lu, Wei-Dong Li, Yan-Dong Niu, Yu Sun, Chen-Yang Hu, Guo-Qiang Zhang, Xin-Suo Duan
Ganoderma lucidum (Fr.) Karst (Ganodermataceae) is a medicinal mushroom that has been extensively used in China for centuries to promote longevity and improve vigor without significant adverse effects. There is continuous interest in the bioactive properties of G. lucidum in view of its newly developed popularity in other regions besides Asia, such as Europe. Glycopeptide derived from G. lucidum (Gl-PS) is one of the main effective components isolated from this mushroom. The Gl-PS has been demonstrated pleiotropic with many bioactivities including immunomodulatory and antitumor effects...
January 26, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28117421/advanced-materials-from-fungal-mycelium-fabrication-and-tuning-of-physical-properties
#16
Muhammad Haneef, Luca Ceseracciu, Claudio Canale, Ilker S Bayer, Jose A Heredia-Guerrero, Athanassia Athanassiou
In this work is presented a new category of self-growing, fibrous, natural composite materials with controlled physical properties that can be produced in large quantities and over wide areas, based on mycelium, the main body of fungi. Mycelia from two types of edible, medicinal fungi, Ganoderma lucidum and Pleurotus ostreatus, have been carefully cultivated, being fed by two bio-substrates: cellulose and cellulose/potato-dextrose, the second being easier to digest by mycelium due to presence of simple sugars in its composition...
January 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28105862/structural-data-and-immunomodulatory-properties-of-a-water-soluble-heteroglycan-extracted-from-the-mycelium-of-an-italian-isolate-of-ganoderma-lucidum
#17
Raffaele Carrieri, Rosanna Manco, Daniela Sapio, Marco Iannaccone, Andrea Fulgione, Marina Papaianni, Bruna de Falco, Laura Grauso, Paola Tarantino, Flora Ianniello, Virginia Lanzotti, Ernesto Lahoz, Rosanna Capparelli
Mushrooms produce a wide range of bioactive polysaccharides, different from each other in chemical structure and biological effects. In the last years, the idea to develop functional foods or drugs containing fungal polysaccharides is attracting great attention. Fruiting bodies of Basidiomycetes Ganoderma lucidum are commonly used in Oriental medicine to treat several disorders. G. lucidum polysaccharides - mainly β-glucans and heteroglycans - have numerous biological properties such as antitumour and immunomodulatory activities...
January 20, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28099150/elimination-of-quiescent-slow-cycling-cells-via-reducing-quiescence-depth-by-natural-compounds-purified-from-ganoderma-lucidum
#18
Jian Dai, Matthew A Miller, Nicholas J Everetts, Xia Wang, Peng Li, Ye Li, Jian-Hua Xu, Guang Yao
The medical mushroom Ganoderma lucidum has long been used in traditional Chinese medicine and shown effective in the treatment of many diseases including cancer. Here we studied the cytotoxic effects of two natural compounds purified from Ganoderma lucidum, ergosterol peroxide and ganodermanondiol. We found that these two compounds exhibited cytotoxicity not only against fast proliferating cells, but on quiescent, slow-cycling cells. Using a fibroblast cell-quiescence model, we found that the cytotoxicity on quiescent cells was due to induced apoptosis, and was associated with a shallower quiescent state in compound-treated cells, resultant from the increased basal activity of an Rb-E2F bistable switch that controls quiescence exit...
January 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28092004/bio-based-degradation-of-emerging-endocrine-disrupting-and-dye-based-pollutants-using-cross-linked-enzyme-aggregates
#19
Muhammad Bilal, Muhammad Asgher, Hafiz M N Iqbal, Hongbo Hu, Xuehong Zhang
In this study, manganese peroxidase (MnP) from an indigenous white-rot fungus Ganoderma lucidum IBL-05 was insolubilized in the form of cross-linked enzyme aggregates (CLEAs) using various aggregating agents, i.e., acetone, ammonium sulfate, ethanol, 2-propanol, and tert-butanol, followed by glutaraldehyde (GA) cross-linking. The precipitant type, MnP, and GA concentrations affected the CLEAs activity recovery and aggregation yield. Among precipitants used, acetone appeared to be the most efficient aggregation agent, providing the highest activity recovery and aggregation yield of 31...
January 14, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28076758/polysaccharides-from-ganoderma-lucidum-promote-cognitive-function-and%C3%A2-neural-progenitor-proliferation-in-mouse-model-of-alzheimer-s-disease
#20
Shichao Huang, Jianxin Mao, Kan Ding, Yue Zhou, Xianglu Zeng, Wenjuan Yang, Peipei Wang, Cun Zhao, Jian Yao, Peng Xia, Gang Pei
Promoting neurogenesis is a promising strategy for the treatment of cognition impairment associated with Alzheimer's disease (AD). Ganoderma lucidum is a revered medicinal mushroom for health-promoting benefits in the Orient. Here, we found that oral administration of the polysaccharides and water extract from G. lucidum promoted neural progenitor cell (NPC) proliferation to enhance neurogenesis and alleviated cognitive deficits in transgenic AD mice. G. lucidum polysaccharides (GLP) also promoted self-renewal of NPC in cell culture...
January 10, 2017: Stem Cell Reports
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