Megastigmane glycoside and phenol glycosides from the bark of Croizat.

A new megastigmane glycoside, conspurcoside A (), two new phenol glycosides, conspurcosides B () and C (), along with twelve known compounds (-) were isolated from the bark of Croizat. The structures of these compounds were identified through analysis of spectroscopic data, including 1D and 2D NMR, HRESIMS, and ECD methods. Compounds (-, -) were tested for inhibition of NO production in lipopolysaccharide (LPS)-induced RAW 264.

A galacturonic acid-rich polysaccharide from Citrus medica 'fingered' alleviated the dextran sulfate sodium-induced ulcerative colitis.

Ulcerative colitis (UC) treatment is often limited by adverse reactions and high recurrence rates, highlighting the need for safer, more effective therapies. Citrus medica 'Fingered' (C. medica), known for its anti-inflammatory properties, remains underexplored, particularly its polysaccharide components.

Notopterygium Incisum Extract Promotes Apoptosis by Preventing the Degradation of BIM in Colorectal Cancer.

Objective: Colorectal cancer (CRC), a prevalent malignancy worldwide, has prompted extensive research into anticancer drugs. Traditional Chinese medicinal materials offer promising avenues for cancer management due to their diverse pharmacological activities. This study investigated the effects of Notopterygium incisum, a traditional Chinese medicine named Qianghuo (QH), on CRC cells and the underlying mechanism.

Four sulfur-containing compounds with anti-colon cancer effect from marine-derived fungus Aspergillus terreus.

Sulfur-containing natural products possess a variety of biological functions including antitumor, antibacterial, anti-inflammatory and antiviral activities. In this study, four previously undescribed sulfur-containing compounds asperteretals L and M, terreins A and B, together with 17 known compounds were obtained from a culture of marine fungus A. terreus supplemented with inorganic sulfur source NaSO.

Epiberberine inhibits bone metastatic breast cancer-induced osteolysis.

Ethnopharmacological Relevance: The anti-tumor related diseases of Coptidis Rhizoma (Huanglian) were correlated with its traditional use of removing damp-heat, clearing internal fire, and counteracting toxicity. In the recent years, Coptidis Rhizoma and its components have drawn extensive attention toward their anti-tumor related diseases. Besides, Coptidis Rhizoma is traditionally used as an anti-inflammatory herb.

Isolation and stereospecific synthesis of indole alkaloids with lipid-lowering effects from the marine-derived fungus Colletotrichum gloeosporioides BB4.

Seven undescribed compounds, colletotrichindoles A-E, colletotrichaniline A, and colletotrichdiol A, as well as three known compounds, (-)-isoalternatine A, (+)-alternatine A and 3-hydroxybutan-2-yl 2-phenylacetate were isolated from the marine-derived fungus Colletotrichu gloeosporioides BB4. The racemic mixtures colletotrichindole A，colletotrichindole C, and colletotrichdiol A were further separated by chiral chromatography to give three pairs of enantiomers (10S,11R,13S)/(10R,11S,13R)-colletotrichindole A, (10R,11R,13S)/(10S,11S,13R)-colletotrichindole C, and (9S,10S)/(9R,10R)-colletotrichdiol A, respectively. The chemical structures of seven undescribed compounds and the known compounds, (-)-isoalternatine A, and (+)-alternatine A were determined using a combination of NMR, MS, X-ray diffraction, ECD calculations, and/or chemical synthesis.

Lentinuses A-B, two alkaloids from the marine-derived fungus Lentinus sajor-caju with potent anti-pulmonary fibrosis activity.

By adding natural amino acids into the medium as sole nitrogen source, twenty-four compounds, including two new alkaloids lentinuses A-B (1-2) with a rare oxazinone core in marine natural products, one new natural product 3-acetamido-4-phenylfurazan (3), 9β-ergosterol (22) were firstly discovered from a marine fungus, and twenty known compounds (4-21, 23-24) were isolated from the marine-derived fungus Lentinus sajor-caju. The chemical structures of all these compounds were elucidated by HRMS, NMR spectroscopy and X-ray diffraction. Compounds 1-24 were evaluated for their inhibitory activity against TGF-β1-induced collagen accumulation in human fetal lung fibroblasts (HFL1).

Indole alkaloids fusarindoles A-E from marine-derived fungus Fusarium equiseti LJ-1.

Five undescribed indole alkaloids, fusarindoles A-E, together with seven known compounds were obtained from the marine-derived fungus Fusarium equiseti LJ-1. Their chemical structures and absolute configurations were determined by comprehensive analysis of the NMR, HRMS, UV, IR, ECD calculation and single-crystal X-ray diffraction data. The possible biosynthetic pathways of fusarindoles C-E were proposed.

β-Carboline Alkaloids From the Deep-Sea Fungus sp. MCCC 3A01244 as a New Type of Anti-pulmonary Fibrosis Agent That Inhibits TGF-β/Smad Signaling Pathway.

Pulmonary fibrosis is a scarring disease of lung tissue, which seriously threatens human health. Treatment options are currently limited, and effective strategies are still lacking. In the present study, 25 compounds were isolated from the deep-sea fungus sp.

Exophilone, a Tetrahydrocarbazol-1-one Analogue with Anti-Pulmonary Fibrosis Activity from the Deep-Sea Fungus MCCC 3A01264.

A new compound, exophilone (), together with nine known compounds (-), were isolated from a deep-sea-derived fungus, . Their chemical structures, including the absolute configuration of were elucidated using nuclear magnetic resonance (NMR) spectroscopy, high-resolution electrospray ionization mass spectroscopy (HRESIMS), and electronic circular dichroism (ECD) calculation. Compounds were preliminarily screened for their ability to inhibit collagen accumulation.

Characterization, Antioxidant and Antitumor Activities of Oligosaccharides Isolated from (Spreng) Merr. by Different Extraction Methods.

() is a traditional Chinese herbal medicine with various biological activities. One of the active components of this widely used medicinal plant is believed to be an oligosaccharide. The extraction yields, structural characteristics, antioxidant, and antitumor activities of four oligosaccharide extracts obtained by hot water extraction (HEO), ultrasound-assisted extraction (UEO), enzyme-assisted (EEO), and microwave-assisted extraction (MEO) were investigated.

Biotransformations of anthranilic acid and phthalimide to potent antihyperlipidemic alkaloids by the marine-derived fungus Scedosporium apiospermum F41-1.

A new diphenylamine derivative, scediphenylamine A (1), together with six phthalimide derivatives (2-7) and ten other known compounds (8-17) were obtained from the marine-derived fungus Scedosporium apiospermum F41-1 fed with synthetically prepared anthranilic acid and phthalimide. The structure and absolute configuration of the new compound were determined by HRMS, NMR, and X-ray crystallography. Evaluation of their lipid-lowering effect in 3T3-L1 adipocytes showed that scediphenylamine A (1), N-phthaloyl-tryptophan-methyl ester (4), 5-(1,3-dioxoisoindolin-2-yl) pentanamide (5), perlolyrine (10) and flazine (11) significantly reduced triglyceride level in 3T3-L1 cells by inhibiting adipogenic differentiation and synthesis with the EC values of 4.

Identification and Biological Activity of NFAT-133 Congeners from .

The soil bacterium ATCC 27456 produces a number of polyketide natural products. Among them is NFAT-133, an inhibitor of the nuclear factor of activated T cells (NFAT) that suppresses interleukin-2 (IL-2) expression and T cell proliferation. Biosynthetic gene inactivation in the ATCC 27456 strain revealed the ability of this strain to produce other polyketide compounds including analogues of NFAT-133.

Phomaligols F-I, polyoxygenated cyclohexenone derivatives from marine-derived fungus Aspergillus flavus BB1.

By tracing the C NMR resonances for carbonyls and enols, four new oxidized phomaligol derivatives, phomaligols F-I (1-4), along with seven known compounds (5-11) were isolated from the culture of the fungus Aspergillus flavus BB1 isolated from the marine shellfish Meretrix meretrix collected on Hailing Island, Yangjiang, China. The chemical structures and the absolute configurations of the new compounds were elucidated by MS, NMR, ECD, optical rotation, and C NMR calculations. Compounds 1 and 2 represent the first examples of phomaligol derivatives that contain an unusual bicyclic skeleton.

Hirsutanol A inhibits T-acute lymphocytic leukemia Jurkat cell viability through cell cycle arrest and p53-dependent induction of apoptosis.

Acute lymphocytic leukemia (ALL) is a type of childhood leukemia with the highest incidence; T-acute lymphocytic leukemia (T-ALL) is far more difficult to treat than B-acute lymphocytic leukemia (B-ALL) and has a poor long-term prognosis. Therefore, there is an urgent requirement to develop effective drugs for the treatment of T-ALL. Hirsutanol A is a natural sesquiterpenoid compound.

Monascuslactams A-D, cytotoxic γ-lactams from marine fungus BB3.

Amino acid-directed strategy becomes an efficient way to explore the alkaloids' biosynthetic potential of marine fungi. The metabolites of marine fungus BB3 were regulated obviously when cultured in GPY medium supplemented with L-tryptophan, L-phenylalanine, D,L-methionine, L-threonine, L-lysine, L-serine and L-valine. Four new γ-lactams, monascuslactams A-D (-), together with two known compounds pulchellalactam () and -acetylperlolyrine () were obtained.

Shuganning injection, a traditional Chinese patent medicine, induces ferroptosis and suppresses tumor growth in triple-negative breast cancer cells.

Background: Triple-negative breast cancer (TNBC), lacking targeted therapies currently, is susceptible to ferroptosis, a recently defined form of cell death.

Purpose: To evaluate the anticancer activity of Shuganning injection (SGNI), a traditional Chinese patent medicine, on TNBC cells; To elucidate the mechanism of SGNI induced ferroptosis.

Methods: The anticancer activity of SGNI was examined via in vitro cell proliferation assays and in vivo xenograft growth assay.

Monalbidins A-E, Decalins with Potential Cytotoxic Activities from Marine Derived Fungus Monascus albidus BB3.

Five new decalins, monalbidins A-E (1, 2 and 7-9), together with 16 known compounds (3-6 and 10-21), were isolated from the AcOEt extract of marine derived fungus Monascus albidus BB3 cultured in GPY medium. Among the known compounds, 1-hydroxymonacolin L (11), dehydromonacolin J (15), 8-O-acetylmonacolin J (19) and O-acetylmonacolin K (21) were separated from natural sources for the first time. Their structures were determined by comprehensive analysis on the 1D and 2D NMR, HR-ESI-MS, UV and IR data, and their absolute configurations were assigned by experimental and calculated ECD data, and X-ray single-crystal diffraction analysis.

Identification and characterization of a novel mutant isocitrate dehydrogenase 1 inhibitor for glioma treatment.

Isocitrate dehydrogenase 1 (IDH1) mutant R132H, promoting the oncometabolite D-2-hydroxyglutarate (D2HG), is a driver mutation and an emerging therapeutic target in glioma. This study identified a novel mutant IDH1 inhibitor, WM17, by virtual screening and enzymatic confirmation. It could bind to and increase mutant IDH1 protein's thermostability in both endogenous heterozygous cells and exogenous overexpressed cells.

l-Tryptophan Induces a Marine-Derived sp. to Produce Indole Alkaloids with Activity against the Zika Virus.

The effects of l-tryptophan supplementation on secondary metabolite production in the marine-derived fungus sp. L1 were investigated by culturing the fungus in GPY medium with and without the amino acid. HPLC analysis of the products showed distinct metabolite profiles between the two cultures.

Potential Antidiabetic Fumiquinazoline Alkaloids from the Marine-Derived Fungus F41-1.

Fumiquinazoline alkaloids have attracted much attention from medicinal and natural product chemists due to their interesting structures and biological potential. In this study, three new and 12 known fumiquinazoline alkaloids were isolated and characterized from the marine fungus F41-1. The structures of the new compounds and their absolute configurations were determined using NMR spectroscopy, ECD, and OR calculations.

Metabolomics analysis to evaluate the antibacterial activity of the essential oil from the leaves of Cinnamomum camphora (Linn.) Presl.

Ethnopharmacology Relevance: Cinnamomum camphora (Linn.) Presl (C. camphora) is one of the oldest herbal medicines used as a traditional medicine, owning a wide range of biological functions including anti-bacterial, anti-oxidative, anti-fungal, anti-inflammatory, insecticidal and repellent activities.

Monarubins A-C from the Marine Shellfish-Associated Fungus BB5.

Three new compounds, monarubins A-C (, and ), together with ten known compounds, including four alkaloids (-), two isocoumarins ( and ) and four polyketides (-), were isolated from marine shellfish-associated fungus BB5. The structures were determined on the basis of the 1D and 2D NMR, MS, UV and IR data. The absolute configurations of compounds , and were determined by ECD calculations.

Cytotoxic alkaloids from the marine shellfish-associated fungus sp. XBB-4 induced by an amino acid-directed strategy.

Eight different culture media were used to culture shellfish associated fungus sp. XBB-4. In a glucose-peptone-yeast (GPY) culture medium supplied with amino acids, this fungus can produce chemodiversity metabolites.