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1.
J Physiol Pharmacol ; 75(1)2024 Feb.
Article in English | MEDLINE | ID: mdl-38583434

ABSTRACT

In this review we focused on the putative therapeutic effect of Hericium erinaceus extract in the treatment of pathologic conditions of the lower urinary tract in which intestinal inflammation may play a role. To this aim we reviewed the available evidence on pelvic cross-organ sensitization as a possible mechanism through which intestinal inflammation and dysbiosis may affect the lower urinary tract. Also, we reviewed the clinical and experimental evidence supporting the role of Hericium erinaceus extract as an anti-inflammatory agent highlighting the role of a number of putative mediators and mechanisms which might make this nutraceutical suitable for the management of 'difficult to treat' lower urinary tract disorders.


Subject(s)
Basidiomycota , Hericium , Humans , Anti-Inflammatory Agents/pharmacology , Anti-Inflammatory Agents/therapeutic use , Inflammation , Plant Extracts/pharmacology , Plant Extracts/therapeutic use
2.
Int J Med Mushrooms ; 26(4): 53-61, 2024.
Article in English | MEDLINE | ID: mdl-38523449

ABSTRACT

Air humidity is an important environmental factor restricting the fruit body growth of Auricularia heimuer. Low air humidity causes the fruit body to desiccate and enter dormancy. However, the survival mechanisms to low air humidity for fruit bodies before dormancy remain poorly understood. In the present study, we cultivated A. heimuer in a greenhouse and collected the fruit bodies at different air humidities (90%, 80%, 70%, 60%, and 50%) to determine the contents of malondialdehyde (MDA) and non-enzymatic antioxidants such as ascorbic acid (AsA) and glutathione (GSH); and the activities of enzymatic antioxidants including superoxide dismutase (SOD), peroxidase (POD), catalase (CAT), ascorbate peroxidase (APX), glutathione peroxidase (GPX) and glutathione reductase (GR). Results showed that the MDA contents tended to increase with decreasing relative air humidity. Relative air humidity below 90% caused membrane lipid peroxidation and oxidative stress (based on MDA contents) to the fruit body, which we named air humidity stress. In contrast to the control and with the degree of stress, the GSH contents and activities of SOD, CAT, GR, GPX, and APX tended to ascend, whereas AsA showed a declining trend; the POD activity only rose at 50%. The antioxidants favored the fruit body to alleviate oxidative damage and strengthened its tolerance to air humidity stress. The antioxidant defense system could be an important mechanism for the fruit body of A. heimuer in air humidity stress.


Subject(s)
Antioxidants , Auricularia , Basidiomycota , Antioxidants/metabolism , Humidity , Fruit/metabolism , Catalase/metabolism , Ascorbic Acid , Oxidative Stress , Glutathione/metabolism , Superoxide Dismutase/metabolism , Glutathione Peroxidase/metabolism , Glutathione Reductase/metabolism , Basidiomycota/metabolism , Lipid Peroxidation
3.
Nutrients ; 16(6)2024 Mar 14.
Article in English | MEDLINE | ID: mdl-38542742

ABSTRACT

Nutraceuticals represent an emerging and dynamic scientific field due to their important potential in integrated healthcare through nutritional and medicinal approaches that interact and complement each other mutually. In an attempt to find new sources for such preparations, the present research focuses on the species Craterellus cornucopioides (L.) Pers. (Cantharellaceae), also known as the black trumpet. This wild mushroom species is renowned for its culinary excellence and unique taste and is used especially in a dehydrated state. However, beyond its gastronomic value, recent scientific investigations have revealed its potential as a source of bioactive compounds with pharmaceutical and therapeutic significance. Our study aimed, therefore, to review the current data regarding the morphology, chemical profile, and medicinal potential of the black trumpet mushroom, highlighting its unique attributes. By conducting a comprehensive literature analysis, this paper contributes to the broader understanding of this remarkable fungal species as a potential functional food and its promising applications in the field of therapeutics.


Subject(s)
Agaricales , Basidiomycota , Basidiomycota/chemistry , Agaricales/chemistry , Dietary Supplements
4.
Plant Cell Rep ; 43(4): 90, 2024 Mar 11.
Article in English | MEDLINE | ID: mdl-38466444

ABSTRACT

KEY MESSAGE: Serendipita indica induced metabolic reprogramming in colonized plants complements phosphorus-management in improving their tolerance to arsenic stress on multifaceted biological fronts. Restoration of the anthropic damage done to our environment is inextricably linked to devising strategies that are not only economically sound but are self-renewing and ecologically conscious. The dilemma of heavy metal (HM) dietary ingestion, especially arsenic (As), faced by humans and animals alike, necessitates the exploitation of such technologies and the cultivation of healthy and abundant crops. The remarkable symbiotic alliance between plants and 'mycorrhizas' has evolved across eons, benefiting growth/yield aspects as well as imparting abiotic/biotic stress tolerance. The intricate interdependence of Serendipita indica (S. indica) and rice plant reportedly reduce As accumulation, accentuating the interest of microbiologists, agriculturists, and ecotoxicological scientists apropos of the remediation mechanisms of As in the soil-AMF-rice system. Nutrient management, particularly of phosphorus (P), is also praised for mitigating As phytotoxicity by deterring the uptake of As molecules due to the rhizospheric cationic competition. Taking into consideration the reasonable prospects of success in minimizing As acquisition by rice plants, this review focuses on the physiological, metabolic, and transcriptional alterations underlying S. indica symbiosis, recuperation of As stress together with nutritional management of P by gathering case studies and presenting successful paradigms. Weaving together a volume of literature, we assess the chemical forms of As and related transport pathways, discuss As-P-rice interaction and the significance of fungi in As toxicity mitigation, predominantly the role of mycorrhiza, as well as survey of the multifaceted impacts of S. indica on plants. A potential strategy for simultaneous S. indica + P administration in paddy fields is proposed, followed by future research orientation to expand theoretic comprehension and encourage field-based implementation.


Subject(s)
Arsenic , Basidiomycota , Metals, Heavy , Mycorrhizae , Oryza , Humans , Phosphorus/metabolism , Oryza/metabolism , Metals, Heavy/metabolism , Mycorrhizae/metabolism , Crops, Agricultural/metabolism , Plant Roots/metabolism
5.
Int J Med Mushrooms ; 26(3): 15-26, 2024.
Article in English | MEDLINE | ID: mdl-38505900

ABSTRACT

Currently, in many Asian and European countries, a group of mushrooms has been distinguished, which, due to their medicinal and/or dietary properties, are referred to as medicinal mushrooms. Hypsizygus marmoreus is a species valued for its proven nutritional and healing properties. In the scientific literature available so far, mainly from Asian countries, it is possible to find research on the therapeutic effect of H. marmoreus. Biologically active substances, their presence, and in particular, their level in this species have not been the subject of extensive research. The aim of the present review is to describe and summarize the dietary and therapeutic potential of this increasingly popular species among consumers in European countries. Because H. marmoreus is a species with known dietary and health-promoting properties, this species of wood fungi could be commonly obtained from cultivation in European countries.


Subject(s)
Agaricales , Basidiomycota , Fagus , Asia
6.
Int J Med Mushrooms ; 26(3): 27-40, 2024.
Article in English | MEDLINE | ID: mdl-38505901

ABSTRACT

In our previous study, we have established Russula pseudocyanoxantha as a unique species, playing a crucial role in indigenous diets through ages. The research also brought attention to bioactive potential of polysaccharide fraction extracted from the unexplored food using hot water. However, residue of the conventional process still contains therapeutic biopolymers that could further be utilized for pharmacological purposes instead of being discarded. Therefore, the current study aims to valorize the solid remnants, contributing to a deeper understanding of the novel taxon. Subsequently, the leftover was treated with cold alkali, leading to the preparation of a high-yield fraction (RP-CAP). Chemical characterization through FT-IR, GC-MS, HPTLC, and spectroscopy demonstrated presence of several monomers in the carbohydrate backbone, predominantly composed of ß-glucan. Furthermore, GPC chromatogram indicated presence of a homogeneous polymer with molecular weight of ~ 129.28 kDa. Subsequently, potent antioxidant activity was noted in terms of radical scavenging (O2·-, OH·, DPPH· and ABTS·+), chelating ability, reducing power and total antioxidant activity where EC50 values ranged from 472-3600 µg/mL. Strong immune-boosting effect was also evident, as the biopolymers stimulated murine macrophage cell proliferation, phagocytic activity, pseudopod formation, and NO as well as ROS synthesis particularly at the concentration of 100 µg/mL. In-depth analysis through RT-PCR revealed that the fraction stimulated synthesis of several inflammatory mediators, elucidating the mode of action through TLR/ NF-κB pathway. Therefore, the findings collectively suggest that RP-CAP possesses great potential to serve as a healthimproving component in functional food and pharmaceutical sectors.


Subject(s)
Agaricales , Basidiomycota , Animals , Mice , Antioxidants/pharmacology , Antioxidants/chemistry , Agaricales/chemistry , NF-kappa B/metabolism , Alkalies , Spectroscopy, Fourier Transform Infrared , Basidiomycota/metabolism , RAW 264.7 Cells , Polysaccharides/pharmacology , Polysaccharides/chemistry , Immunity , Biopolymers
7.
Int J Med Mushrooms ; 26(3): 67-76, 2024.
Article in English | MEDLINE | ID: mdl-38505904

ABSTRACT

Five kinds of exopolysaccharides (EPS) were obtained by fermentation of Scleroderma areolatum Ehrenb. with sucrose, glucose, maltose, lactose, and fructose as carbon sources. Antioxidant abilities of the obtained EPSs were evaluated by inhibiting AAPH, HO·, and glutathione (GS·) induced oxidation of DNA and quenching 2,2'-azinobis (3-ethylbenzothiazoline-6-sulfonate) cationic radical (ABTS· and galvinoxyl radicals. The effects of carbon sources on the antioxidant properties of EPSs could be examined. The results showed that five EPSs can effectively inhibit radicals induced oxidation of DNA, and the thiobarbituric acid reactive substances (TBARS) percentages were 44.7%-80.8%, 52.3%-77.5%, and 44.7%-73.3% in inhibiting AAPH, HO·, and GS· induced oxidation of DNA, respectively. All five EPSs could scavenge ABTS· and galvinoxyh, and exhibit superior activity in scavenging free radicals. Antioxidant abilities of EPS with fructose as carbon source were highest among five EPS.


Subject(s)
Amidines , Antioxidants , Basidiomycota , Benzothiazoles , Carbon , Sulfonic Acids , Antioxidants/pharmacology , Antioxidants/chemistry , DNA/chemistry , Fructose , Free Radical Scavengers/pharmacology
8.
J Nat Prod ; 87(3): 520-529, 2024 03 22.
Article in English | MEDLINE | ID: mdl-38410947

ABSTRACT

The phytochemical study of the Pisolithus arhizus fruiting body methanol extract led to the isolation of six new triterpenoids (1-6) and one new naphthalenoid pulvinic acid derivative (7), together with five known compounds, including norbadione A (8). Their structure was established from 1D and 2D NMR spectroscopy and HRESIMS analyses. The absolute configuration of the triterpenoids was determined by circular dichroism. The two pulvinic acid derivatives 7 and 8, showing the highest activity in modulating IL-6 secretion, were tested for their effect on COX-2, STAT3, and p-STAT3 proteins; both compounds were able to downregulate p-STAT3.


Subject(s)
Anti-Inflammatory Agents , Basidiomycota , Carboxylic Acids , Lactones , Triterpenes , Molecular Structure , Anti-Inflammatory Agents/pharmacology , Anti-Inflammatory Agents/chemistry , Triterpenes/pharmacology , Triterpenes/chemistry , Plant Extracts/pharmacology
9.
Int J Med Mushrooms ; 26(2): 25-41, 2024.
Article in English | MEDLINE | ID: mdl-38421694

ABSTRACT

The genus Suillus, also known as "Song mo," falls under the order Boletales and consists of various higher fungi. It establishes mycorrhizae primarily with pine trees and has a good taste and medicinal values. Herein, we reviewed the chemical compounds present in the genus Suillus, including polysaccharides, steroids, phenols, polyprenyl phenol derivatives, fatty acids, organic acids, and amino acids, and their reported bioactivities and potential applications. This review aims to promote the utilization of the resources belonging to the genus Suillus and serves as a theoretical basis for their future studies and clinical applications.


Subject(s)
Agaricales , Basidiomycota , Amino Acids , Fatty Acids , Phenol , Phenols/pharmacology
10.
Int J Med Mushrooms ; 26(2): 57-70, 2024.
Article in English | MEDLINE | ID: mdl-38421696

ABSTRACT

In the present study, a new galectin designated Cyclocybe cylindracea lectin (CCL) was extracted from the fruiting bodies of the wild black popular mushroom C. cylindracea grown in Algeria. The protein was isolated using sepharose 4B as affinity chromatography matrix, and galactose as elutant. The purified galectin was composed of two subunits of 17.873 kDa each, with a total molecular mass of 35.6 kDa. Its agglutinant activity was impeded by galactose and its derivatives, as well as melibiose. Lactose showed the highest affinity, with a minimal inhibitory concentration of 0.0781 mM. CCL was sensitive to extreme pH conditions, and its binding function decreased when incubated with 10 mM EDTA, and it could be restored by metallic cations such as Ca2+, Mg2+, and Zn2+. CCL agglutinated human red blood cells, without any discernible specificity. Circular dichroism spectra demonstrated that its secondary structure contained ß-sheet as dominant fold. In addition, bioinformatics investigation on their peptide fingerprint obtained after MALDI-TOF/TOF ionization using mascot software confirmed that CCL was not like any previous purified lectin from mushroom: instead, it possessed an amino acid composition with high similarity to that of the putative urea carboxylase of Emericella nidulans (strain FGSC A4/ATCC 38163/CBS 112.46/NRRL 194/M139) with 44% of similarity score.


Subject(s)
Agaricales , Basidiomycota , Populus , Humans , Galectins , Algeria , Galactose
11.
Int J Med Mushrooms ; 26(2): 71-85, 2024.
Article in English | MEDLINE | ID: mdl-38421697

ABSTRACT

A mutant Phellinus igniarius JQ9 with higher mycelial production was screened out by He-Ne laser with pulsed light irradiation, the mechanism underlying the higher mycelial production is still unknown. This study aims to obtain a comprehensive transcriptome assembly during the Ph. igniarius liquid fermentation and characterize the key genes associated with the mycelial growth and metabolism in Ph. igniarius JQ9. Our transcriptome data of Ph. iniarius JQ9 and the wild strain were obtained with the Illumina platform comparative transcriptome sequencing technology. The results showed that among all the 346 differentially expressed genes (DEGs), 245 were upregulated and 101 were downregulated. Candidate genes encoding endoglucanase, beta-glucosidase, cellulose 1,4-beta-cellobiosidase, glycoside hydrolase family 61 protein, were proposed to participate in the carbohydrate utilization from KEGG enrichment of the starch and sucrose metabolism pathways were upregulated in Ph. igniarius JQ9. In addition, three candidate genes encoding the laccase and another two candidate genes related with the cell growth were higher expressed in Ph. igniarius JQ9 than in the wild type of strain (CK). Analysis of these data revealed that increased these related carbohydrate metabolism candidate genes underlying one crucial way may cause the higher mycelia production.


Subject(s)
Basidiomycota , Transcriptome , Phellinus , Gene Expression Profiling , Lasers
12.
Int J Med Mushrooms ; 26(1): 1-15, 2024.
Article in English | MEDLINE | ID: mdl-38305258

ABSTRACT

Mushrooms are prevalently important sources of pharmaceutically active metabolites. Various mushroom species belonging to the Lentinus genus are recognized for their nutritional and therapeutic properties. One such species is L. sajor-caju, which is renowned in Southeast Asian nations for its culinary value. The primary goal of this study is to investigate the potential medicinal properties of L. sajor-caju, specifically its antioxidant, antibacterial, and anti-inflammatory effects. A hydroethanolic extract was formulated using dried basidiocarps, which exhibited a high phenolic content of approximately 14% and a flavonoid content of approximately 2.7%. The extract demonstrated significant antioxidant potential in in vitro reactions. The extract is sufficiently capable of scavenging free radicals (DPPH and ABTS) and chelate Fe2+ with EC50 values spanning from 186 to 390 µg/mL. In addition, considerable antimicrobial activity against tested pathogenic microorganisms was observed, as indicated by low MIC50 values (256-358 µg/mL). Moreover, the fraction was found to prevent heat-induced protein denaturation which signifies its anti-inflammatory potential. When tested on the RAW 264.7 cell line, reduction in the nitrite production, and downregulation of COX-2 and iNOS mRNA expression was observed which are the key regulator of inflammatory signalling systems. The study, therefore, recommends the use of L. sajor-caju in the medical and pharmaceutical industries for the benefit of humanity.


Subject(s)
Agaricales , Basidiomycota , Lentinula , Agaricales/chemistry , Anti-Bacterial Agents , Anti-Inflammatory Agents/pharmacology , Antioxidants/pharmacology , Antioxidants/chemistry , Cyclooxygenase 2/genetics , Ethanol , Animals , Mice , RAW 264.7 Cells
13.
Sci Rep ; 14(1): 4536, 2024 02 24.
Article in English | MEDLINE | ID: mdl-38402369

ABSTRACT

We examined potato rhizosphere bacterial and fungal communities across three regions: Cheongju, Pyeongchang, and Gangneung. These regions have varying soil and climate conditions, resulting in different yields. We found that precipitation was the main limiting factor in our study while soil physiochemical factors affect bacterial and fungal microbiota in correlation with yield. Both bacterial and fungal microbiota showed distinct patterns according to the regions. ASVs positively correlated with yield were predominantly found in the Pyeongchang region which also produced the highest yields, while ASVs negatively correlated with yield were associated with Gangneung where the lowest yields were observed. The greatest bacterial and fungal diversity was detected in Pyeongchang consisting of Propionibacteriales, Burkholderiales, and Vicinamibacteriales. Gangneung, on the other hand primarily belong to Sordariales, Mortierellales, Cystofilobasidiales, and Tremellales. The putative yield-negative ASVs detected in Gangneung may have been influenced by drought stress. This work has highlighted key bacterial and fungal taxa as well as core taxa that may potentially be associated with high and low yields of potato in relation to metadata which includes soil chemical and physical parameters as well as weather data. Taken together we suggest that this information can be used to assess site suitability for potato production.


Subject(s)
Basidiomycota , Microbiota , Solanum tuberosum , Rhizosphere , Plant Roots/microbiology , Bacteria/genetics , Soil , Republic of Korea , Soil Microbiology
14.
Curr Microbiol ; 81(3): 87, 2024 Feb 05.
Article in English | MEDLINE | ID: mdl-38311653

ABSTRACT

Soybean are one of the main oil crops in the world. The study demonstrated that co-inoculation with Trichoderma asperellum (Sordariomycetes, Hypocreomycetidae) and Irpex laceratus (Basidiomycota, Polyporales) isolated from Kosteletzkya virginica can promote the growth of soybean seedlings. The two fungi were found to produce various enzymes, including cellulase, amylase, laccase, protease, and urease. Upon inoculation, T. asperellum mainly colonized within the phloem of the roots in soybean seedlings, while I. laceratus mainly in the xylem and phloem of the roots. Physiological parameters, such as plant height, root length, and fresh weight, were significantly increased in soybean seedlings co-inoculated with T. asperellum and I. laceratus. Moreover, the expression of key genes related to N and P absorption and metabolism was also increased, leading to improved N and P utilization efficiency in soybean seedlings. These results indicate that the two fungi may have complementary roles in promoting plant growth, co-inoculation with T. asperellum and I. laceratus can enhance the growth and nutrient uptake of soybean. These findings suggest that T. asperellum and I. laceratus have the potential to be used as bio-fertilizers to improve soybean growth and yield.


Subject(s)
Basidiomycota , Hypocreales , Polyporales , Trichoderma , Seedlings , Phosphorus/metabolism , Glycine max , Nitrogen/metabolism , Basidiomycota/metabolism , Polyporales/metabolism , Trichoderma/physiology
15.
Int J Med Mushrooms ; 26(1): 67-78, 2024.
Article in English | MEDLINE | ID: mdl-38305263

ABSTRACT

This study presents a comprehensive analysis of the methanolic extracts of nine species of wild edible mushrooms (WEM) native to the Darma Valley in the Kumaun Himalaya region. The investigation encompasses the assessment of various biochemical attributes, including total phenolics (TP), total flavonoids (TF), total tannins (TT) contents, the ABTS assay, and the DPPH radical scavenging assay. Among the nine WEM species examined, Clavatia craniiformis stands out for displaying the highest antioxidant capacities, indicated by exceptional TP (54.94 ± 0.54 mg gallic acid equivalenta/g dry weight) and TT (4.23 ± 0.17 mg tannic acid equivalents/g dry weight) contents, along with noteworthy ABTS (10.44 ± 0.34 mg abscorbic acid equivalents/g dw) and DPPH activity (0.335 ± 0.001 mg abscorbic acid equivalents/g dry weight). Subsequent antioxidant potential are mushrooms Ramaria fennica, Ramaria botrytis, Ramaria sanguinea, Ramaria flava, Gomphus. clavatus, Clavaria zollingeri, Pleurotus ostreatus, and Kuehneromyces mutabilis. Variations in antioxidant capacities align with distinct phenolic content. This study underscores as a remarkable source of antioxidants, suggesting its potential suitability for nutraceutical applications. The findings contribute to a deeper understanding of the antioxidant properties inherent in wild edible mushrooms, particularly emphasizing the prominence of C. craniiformis.


Subject(s)
Agaricales , Basidiomycota , Benzothiazoles , Pleurotus , Polyphenols , Sulfonic Acids , Antioxidants/chemistry , Methanol , Himalayas , Agaricales/chemistry , Phenols/analysis , Pleurotus/chemistry , Plant Extracts/chemistry
16.
Int J Med Mushrooms ; 26(1): 17-26, 2024.
Article in English | MEDLINE | ID: mdl-38305259

ABSTRACT

In the present investigation methanol and acetone extracts of basidiocarps of mushrooms Laetiporus sulphureus and Meripilus giganteus were evaluated for their antimicrobial, cytotoxic and antioxidant/prooxidant effects. The antimicrobial potential was determined by the microdilution method against ten microorganisms. Cytotoxic effects were evaluated by MTT test, while changes of the redox status parameters (superoxide anion radical, nitrites and reduced glutathione) were determined spectrophotometrically on a human colorectal cancer cell line and human health fibroblasts cells. The results were measured 24 and 72 h after the treatment. Tested extracts exhibited moderate antimicrobial activity with MIC values from 0.004 to 20 mg/mL. The maximum antimicrobial activity was found in the methanol extracts of the M. giganteus against Bacillus subtilis, which was better than positive control. The acetone extract of M. giganteus with IC5072h = 13.36 µg/mL showed significant cytotoxic effect with strong cell selectivity (selectivity index = 37.42) against cancer human colorectal cancer cells. The tested extracts, especially M. giganteus acetone extract, induced an increase in oxidative stress parameters in tested cell lines, but significantly heightened it in human colorectal cancer cells. The obtained results suggest that these extracts, especially M. giganteus acetone extract, can be proposed as a novel source of nutraceuticals and pharmaceuticals.


Subject(s)
Agaricales , Anti-Infective Agents , Antineoplastic Agents , Ascomycota , Basidiomycota , Colorectal Neoplasms , Polyporales , Humans , Methanol , Acetone , Antioxidants/pharmacology , Antineoplastic Agents/pharmacology , Plant Extracts/pharmacology
17.
Cancer Immunol Immunother ; 73(1): 18, 2024 Jan 19.
Article in English | MEDLINE | ID: mdl-38240856

ABSTRACT

Hepatocellular carcinoma (HCC) is the most prevalent malignant tumor worldwide. Within HCC's tumor microenvironment, focal adhesion kinase (FAK) plays a critical role. Regulatory T cells (Treg) modulate the polarization of tumor-associated macrophages , but the relationship between FAK, Treg cells, and macrophages remains underexplored. Phellinus linteus (PL) shows promise as a treatment for HCC due to its pharmacological effects. This study aimed to explore the relationship between FAK and Treg-macrophages and to assess whether PL could exert a protective effect through the FAK process in HCC. Initially, C57BL/6-FAK-/- tumor-bearing mice were utilized to demonstrate that FAK stimulates HCC tumor development. High dosages (200 µM) of FAK and the FAK activator ZINC40099027 led to an increase in Treg (CD4+CD25+) cells, a decrease in M1 macrophages (F4/80+CD16/32+, IL-12, IL-2, iNOS), and an increase in M2 macrophages (F4/80+CD206+, IL-4, IL-10, Arg1, TGF-ß1). Additionally, FAK was found to encourage cell proliferation, migration, invasion, and epithelial-mesenchymal transition while inhibiting apoptosis in HepG2 and SMMC7721 cells. These effects were mediated by the PI3K/AKT1/Janus Kinase (JAK)/ signal transducer and activator of transcription 3 (STAT3), and mitogen-activated protein kinase (p38 MAPK)/Jun N-terminal Kinase (JNK) signaling pathways. Furthermore, PL exhibited a potent antitumor effect in vivo in a dose-dependent manner, reducing FAK, Treg cells, and M2 macrophages, while increasing M1 macrophages. This effect was achieved through the inhibition of the PI3K/AKT/JAK/STAT3, and p38/JNK pathways. Overall, our findings suggest that FAK promotes HCC via Treg cells that polarize macrophages toward the M2 type through specific signaling pathways. PL, acting through FAK, could be a protective therapy against HCC.


Subject(s)
Basidiomycota , Carcinoma, Hepatocellular , Liver Neoplasms , Animals , Mice , Carcinoma, Hepatocellular/pathology , Focal Adhesion Protein-Tyrosine Kinases/metabolism , T-Lymphocytes, Regulatory/metabolism , Liver Neoplasms/pathology , Phosphatidylinositol 3-Kinases/metabolism , Mice, Inbred C57BL , Macrophages/metabolism , Cell Line, Tumor , Tumor Microenvironment
18.
Int J Biol Macromol ; 258(Pt 1): 128702, 2024 Feb.
Article in English | MEDLINE | ID: mdl-38072341

ABSTRACT

Phellinus linteus polysaccharides exhibit antitumor, immunomodulatory, anti-inflammatory, and antioxidant properties, mitigate insulin resistance, and enhance the diversity and abundance of gut microbiota. However, the bioactivities of P. linteus polysaccharides vary owing to the complex structure, thereby, limiting their application. Various processing strategies have been employed to modify them for improving the functional properties and yield. Herein, we compare the primary modes of extraction and purification employed to improve the yield and purity, review the structure-activity relationships, and discuss the application of P. linteus polysaccharides using nano-carriers for the encapsulation and delivery of various drugs to improve bioactivity. The limitations and future perspectives are also discussed. Exploring the bioactivity, structure-activity relationship, processing methods, and delivery routes of P. linteus polysaccharides will facilitate the development of functional foods and dietary supplements rich in P. linteus polysaccharides.


Subject(s)
Basidiomycota , Basidiomycota/chemistry , Polysaccharides/chemistry , Structure-Activity Relationship , Drug Delivery Systems
19.
Phytopathology ; 114(1): 164-176, 2024 Jan.
Article in English | MEDLINE | ID: mdl-37414414

ABSTRACT

Blister blight infection with Exobasidium vexans is one of the most destructive foliar diseases that seriously affect the quality and yield of tea. This research investigated the metabolite changes of healthy and infected leaves on tea cultivar 'Fuding Dabaicha' and further explored the potential antimicrobial substances against E. vexans infection. In total, 1,166 compounds were identified during the entire course of an infection, among which 73 different common compounds were significantly accumulated involved in the important antimicrobial substances of flavonoids and phenolic acids, including kaempferol (3,5,7,4'-tetrahydroxyflavone), kaempferol-3-O-sophoroside-7-O-glucoside, phloretin, 2,4,6-trihydroxybenzoic acid, galloylprocyanidin B4, and procyanidin C1 3'-O-gallate, which indicated that these metabolites might positively dominate resistance to E. vexans. Furthermore, relevant biological pathways, such as the flavone and flavonol biosynthesis, flavonoid biosynthesis, and phenylpropane pathways, were more closely related to resistance to E. vexans. Additionally, total flavonoids, phenolics, alkaloids, and terpenoids contributing to antimicrobial and antioxidant capacity were significantly altered during four different infection periods, especially the Leaf_S2 stage (the second stage of infection), in which the most concentration accumulated. The leaves affected by E. vexans infection at the second stage had the relatively highest antioxidant activity. Accordingly, this study provides a theoretical support for and comprehensive insights into the effects on the metabolite changes, tea quality components, and antioxidant activity of blister blight caused by E. vexans.


Subject(s)
Anti-Infective Agents , Basidiomycota , Camellia sinensis , Kaempferols/analysis , Kaempferols/metabolism , Antioxidants/metabolism , Tandem Mass Spectrometry , Chromatography, Liquid , Liquid Chromatography-Mass Spectrometry , Plant Diseases , Flavonoids/analysis , Flavonoids/metabolism , Metabolome , Tea/metabolism , Anti-Infective Agents/pharmacology , Plant Leaves/chemistry
20.
Int J Med Mushrooms ; 25(12): 43-53, 2023.
Article in English | MEDLINE | ID: mdl-37947063

ABSTRACT

Chemical investigation of the polypore fungus Fistulina hepatica resulted in the isolation of five compounds, including four new polyacetylenic fatty acid derivatives - isocinnatriacetin B (1), isocinnatriacetin A (2), cinna-triacetin C (3) and ethylcinnatriacetin A (4) together with one known polyacetylene fatty acid derivative - cinnatriacetin A (5). The structures were elucidated using spectroscopic methods (UV, NMR, HR-ESIMS) along with comparison to literature data. Antibacterial activity screening of compounds 1-5 against ESKAPE bacterial strains in vitro with zones of inhibition (ZOI) was performed and MIC values were established for the most active compounds (3 and 4). Together with that morphological and growth parameters under solid-phase cultivation were also researched.


Subject(s)
Agaricales , Basidiomycota , Polyacetylene Polymer/pharmacology , Basidiomycota/chemistry , Anti-Bacterial Agents , Polyynes/pharmacology , Fatty Acids , Molecular Structure
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