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White Button Mushroom (Agaricus bisporus) Interrupts Tissue AR-TMPRSS2 Expression and Attenuates Pro-inflammatory Cytokines in C57BL/6 Mice: Implication for COVID-19 Dietary Intervention.

ABSTRACT: Transmembrane protease serine 2 (TMPRSS2), an androgen-induced protease associated with prostate cancer, is one putative receptor for coronavirus entry into host cells, where triggering aggressive inflammatory cytokine storm and possibly death in COVID-19 patients. We previously reported that dietary white button mushroom (WBM) antagonized dihydrotestosterone (DHT)-induced androgen receptor (AR) activation and reduced myeloid-derived suppressor cells (MDSCs) in prostate cancer animal models and patients. The present study on C57BL/6 mice revealed that WBM is a unique food that A ) interrupts DHT induced AR-TMPRSS2 expression in putative COVID-19 targeted organs through its AR antagonistic activity and B ) attenuates serum pro-inflammatory cytokines which have been implicated in COVID-19 pathogenesis. We hereby propose WBM intake as a potentially low-cost, efficient, and safe dietary intervention to mitigate COVID-19.

SUBMITTER: Chen S

PROVIDER: S-EPMC8010737 | biostudies-literature |

REPOSITORIES: biostudies-literature

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White button mushroom interrupts tissue AR-mediated TMPRSS2 expression and attenuates pro-inflammatory cytokines in C57BL/6 mice.

Project description:White button mushroom (WBM) is a common edible mushroom consumed in the United States and many European and Asia-Pacific countries. We previously reported that dietary WBM antagonized dihydrotestosterone (DHT)-induced androgen receptor (AR) activation and reduced myeloid-derived suppressor cells (MDSCs) in prostate cancer animal models and patients. Transmembrane protease serine 2 (TMPRSS2), an androgen-induced protease in prostate cancer, has been implicated in influenza and coronavirus entry into the host cell, triggering host immune response. The present study on C57BL/6 mice revealed that WBM is a unique functional food that (A) interrupts AR-mediated TMPRSS2 expression in prostate, lungs, small intestine, and kidneys through its AR antagonistic activity and (B) attenuates serum pro-inflammatory cytokines and reduces MDSC counts through its immunoregulatory activity. These findings provide a scientific basis for translational studies toward clinical applications of WBM in diseases related to TMPRSS2 expression and immune dysregulation.

| S-EPMC8329194 | biostudies-literature

Liver protective effects of white button mushroom (Agaricus Bisporus)

2012-03-01 | GSE31854 | GEO

Liver protective effects of white button mushroom (Agaricus Bisporus)

Project description:To study the mechanism of protective effect by White Button Mushroom (WBM) for Nonalcoholic Fatty Liver Disease (NAFLD) in ovariectomized mice (model for postmenopausal women). The ovariectomized mice were fed WBM diet for 3 month, sacrificed to harvest liver. 4 mice for control diet and 4 mice for WBM diet.

2012-03-01 | E-GEOD-31854 | biostudies-arrayexpress

Ribosomal Intergenic Spacer 1 Based Characterization of Button Mushroom (Agaricus bisporus) Strains.

Project description:Breeding the button mushroom requires genetic information about its strains. This study was undertaken to genetically characterize four domestically bred button mushroom strains (Saea, Saejung, Saedo, Saeyeon cultivars) and to assess the possibility of using the intergenic spacer 1 (IGS1) region of rDNA as a genetically variable region in the genetic characterization. For the experiment, 34 strains of Agaricus bisporus, two strains of A. bitorquis, and one strain of A. silvaticus, from 17 countries were used. Nucleotide sequence analysis of IGS1 rDNA in these 37 Agaricus strains confirmed that genetic variations exist, not only among the four domestic strains, but also between the four domestic strains and foreign strains. Crossing two different haploid strains of A. bisporus seems to generate genetic variation in the IGS1 region in their off-spring haploid strains. Phylogenetic analysis based on the IGS1 sequence revealed all A. bisporus strains could be differentiated from A. silvaticus and A. bitorquis strains. Five genetic groups were resolved among A. bisporus strains. Saejung and Saeyeon cultivars formed a separate genetic group. Our results suggest that IGS1 could be complementarily applied in the polymorphism analysis of button mushroom.

| S-EPMC5287165 | biostudies-literature

Genetic and Biochemical Characterization of Monokaryotic Progeny Strains of Button Mushroom (Agaricus bisporus).

Project description:To promote the selection of promising monokaryotic strains of button mushroom (Agaricus bisporus) during breeding, 61 progeny strains derived from basidiospores of two different lines of dikaryotic parental strains, ASI1038 and ASI1346, were analyzed by nucleotide sequencing of the intergenic spacer I (IGS I) region in their rDNA and by extracellular enzyme assays. Nineteen different sizes of IGS I, which ranged from 1,301 to 1,348 bp, were present among twenty ASI1346-derived progeny strains, while 15 different sizes of IGS I, which ranged from 700 to 1,347 bp, were present among twenty ASI1038-derived progeny strains. Phylogenetic analysis of the IGS sequences revealed that different clades were present in both the ASI10388- and ASI1346-derived progeny strains. Plating assays of seven kinds of extracellular enzymes (?-glucosidase, avicelase, CM-cellulase, amylase, pectinase, xylanase, and protease) also revealed apparent variation in the ability to produce extracellular enzymes among the 40 tested progeny strains from both parental A. bisporus strains. Overall, this study demonstrates that characterization of IGS I regions and extracellular enzymes is useful for the assessment of the substrate-degrading ability and heterogenicity of A. bisporus monokaryotic strains.

| S-EPMC4397385 | biostudies-literature

Molecular Characterization of 170 New gDNA-SSR Markers for Genetic Diversity in Button Mushroom (Agaricus bisporus).

Project description:We designed 170 new simple sequence repeat (SSR) markers based on the whole-genome sequence data of button mushroom (Agaricus bisporus), and selected 121 polymorphic markers. A total of 121 polymorphic markers, the average major allele frequency (MAF) and the average number of alleles (NA) were 0.50 and 5.47, respectively. The average number of genotypes (NG), observed heterozygosity (HO), expected heterozygosity (HE), and polymorphic information content (PIC) were 6.177, 0.227, 0.619, and 0.569, respectively. Pearson's correlation coefficient showed that MAF was negatively correlated with NG (-0.683), NA (-0.600), HO (-0.584), and PIC (-0.941). NG, NA, HO, and PIC were positively correlated with other polymorphic parameters except for MAF. UPGMA clustering showed that 26 A. bisporus accessions were classified into 3 groups, and each accession was differentiated. The 121 SSR markers should facilitate the use of molecular markers in button mushroom breeding and genetic studies.

| S-EPMC6968487 | biostudies-literature

White Button Mushroom (Agaricus bisporus) Disrupts Androgen Receptor Signaling in Human Prostate Cancer Cells (LNCaP)

Project description:Purpose: To evalute the antagonistic effects of White Button Mushroom/WBM extract on AR signaling in human prostate cance cells. Methods: LNCaP cells were treated with 1 nM DHT, with or without WBM extract (3 μL/mL), for 48h, in triplicates, and total RNA was isolated and sequenced. Results: We identified 155 up-regulated genes (Fold-change ≥ 2, p<0.05) versus 185 down-regulated genes (Fold-change ≤ 0.5, p<0.05). Conclusion: White Button Mushroom suppressed androgen respsonive genens and cell cycle division genes Collectively, these results suggest that WBM extract affects prostate cancer by interrupting AR-dependent cell cycle division and DNA replication.

2021-01-01 | GSE160723 | GEO

Genome Analysis of Hypomyces perniciosus, the Causal Agent of Wet Bubble Disease of Button Mushroom (Agaricus bisporus).

Project description:The mycoparasitic fungus Hypomyces perniciosus causes wet bubble disease of mushrooms, particularly Agaricus bisporus. The genome of a highly virulent strain of H. perniciosus HP10 was sequenced and compared to three other fungi from the order Hypocreales that cause disease on A. bisporus. H. perniciosus genome is ~44 Mb, encodes 10,077 genes and enriched with transposable elements up to 25.3%. Phylogenetic analysis revealed that H. perniciosus is closely related to Cladobotryum protrusum and diverged from their common ancestor ~156.7 million years ago. H. perniciosus has few secreted proteins compared to C. protrusum and Trichoderma virens, but significantly expanded protein families of transporters, protein kinases, CAZymes (GH 18), peptidases, cytochrome P450, and SMs that are essential for mycoparasitism and adaptation to harsh environments. This study provides insights into H. perniciosus evolution and pathogenesis and will contribute to the development of effective disease management strategies to control wet bubble disease.

| S-EPMC6627653 | biostudies-literature

Genome sequence of the button mushroom Agaricus bisporus reveals mechanisms governing adaptation to a humic-rich ecological niche.

Project description:Agaricus bisporus is the model fungus for the adaptation, persistence, and growth in the humic-rich leaf-litter environment. Aside from its ecological role, A. bisporus has been an important component of the human diet for over 200 y and worldwide cultivation of the "button mushroom" forms a multibillion dollar industry. We present two A. bisporus genomes, their gene repertoires and transcript profiles on compost and during mushroom formation. The genomes encode a full repertoire of polysaccharide-degrading enzymes similar to that of wood-decayers. Comparative transcriptomics of mycelium grown on defined medium, casing-soil, and compost revealed genes encoding enzymes involved in xylan, cellulose, pectin, and protein degradation are more highly expressed in compost. The striking expansion of heme-thiolate peroxidases and ?-etherases is distinctive from Agaricomycotina wood-decayers and suggests a broad attack on decaying lignin and related metabolites found in humic acid-rich environment. Similarly, up-regulation of these genes together with a lignolytic manganese peroxidase, multiple copper radical oxidases, and cytochrome P450s is consistent with challenges posed by complex humic-rich substrates. The gene repertoire and expression of hydrolytic enzymes in A. bisporus is substantially different from the taxonomically related ectomycorrhizal symbiont Laccaria bicolor. A common promoter motif was also identified in genes very highly expressed in humic-rich substrates. These observations reveal genetic and enzymatic mechanisms governing adaptation to the humic-rich ecological niche formed during plant degradation, further defining the critical role such fungi contribute to soil structure and carbon sequestration in terrestrial ecosystems. Genome sequence will expedite mushroom breeding for improved agronomic characteristics.

| S-EPMC3491501 | biostudies-literature

Mating-Type Locus Organization and Mating-Type Chromosome Differentiation in the Bipolar Edible Button Mushroom <i>Agaricus bisporus</i>.

Project description:In heterothallic basidiomycete fungi, sexual compatibility is restricted by mating types, typically controlled by two loci: PR, encoding pheromone precursors and pheromone receptors, and HD, encoding two types of homeodomain transcription factors. We analysed the single mating-type locus of the commercial button mushroom variety, Agaricus bisporus var. bisporus, and of the related variety burnettii. We identified the location of the mating-type locus using genetic map and genome information, corresponding to the HD locus, the PR locus having lost its mating-type role. We found the mip1 and β-fg genes flanking the HD genes as in several Agaricomycetes, two copies of the β-fg gene, an additional HD2 copy in the reference genome of A. bisporus var. bisporus and an additional HD1 copy in the reference genome of A. bisporus var. burnettii. We detected a 140 kb-long inversion between mating types in an A. bisporus var. burnettii heterokaryon, trapping the HD genes, the mip1 gene and fragments of additional genes. The two varieties had islands of transposable elements at the mating-type locus, spanning 35 kb in the A. bisporus var. burnettii reference genome. Linkage analyses showed a region with low recombination in the mating-type locus region in the A. bisporus var. burnettii variety. We found high differentiation between β-fg alleles in both varieties, indicating an ancient event of recombination suppression, followed more recently by a suppression of recombination at the mip1 gene through the inversion in A. bisporus var. burnettii and a suppression of recombination across whole chromosomes in A. bisporus var. bisporus, constituting stepwise recombination suppression as in many other mating-type chromosomes and sex chromosomes.

| S-EPMC8305134 | biostudies-literature

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