Abstract：
:It is generally accepted that fungi have a number of dormant gene clusters for the synthesis of secondary metabolites, and the activation of these gene clusters can expand the diversity of secondary metabolites in culture. Recent studies have revealed that the mycolic acid-containing bacterium Tsukamurella pulmonis activates dormant gene clusters in the bacterial genus Streptomyces. However, it is not clear whether the mycolic acid-containing bacteria activate dormant gene clusters of fungi. We performed co-culture experiments using marine-derived Aspergillus niger with Mycobacterium smegmatis, a mycolic acid-containing bacteria. The co-cultivation resulted in the production of a pigment by A. niger and increased cytotoxic activity of the extract against human prostate cancer DU145 cells. An analysis of secondary metabolites in the extract of the co-culture broth revealed that the increase in cytotoxic activity was caused by the production of malformin C (1), and that TMC-256A1 (2), desmethylkotanin (3), and aurasperone C (4) were selectively produced under co-culture conditions. In addition, further study suggested that direct interaction between the two microorganisms was necessary for the production of the pigment and the cytotoxic compound malformin C (1) from A. niger. Given the biological activities of malformin C, including cytotoxic activity, our approach for increasing the production of bioactive secondary metabolites has important practical applications and may facilitate structural analyses of novel bioactive compounds.
journal_name
J Nat Medjournal_title
Journal of natural medicinesauthors
Jomori T,Hara Y,Sasaoka M,Harada K,Setiawan A,Hirata K,Kimishima A,Arai Mdoi
10.1007/s11418-019-01345-0subject
Has Abstractpub_date
2020-01-01 00:00:00pages
76-82issue
1eissn
1340-3443issn
1861-0293pii
10.1007/s11418-019-01345-0journal_volume
74pub_type
杂志文章abstract：:Euphorbia hirta L. has been widely used in India and Chinese society. The molecular pharmacology basis of its anti-inflammatory effect is revealed in this work. The ethanol extract of Euphorbia hirta L. (Eh) and its active component were studied in lipopolysaccharide (LPS)-activated macrophage cells (RAW 264.7) as an ...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-010-0417-6
更新日期：2010-07-01 00:00:00
abstract：:Successive oral administration (50 mg/kg) of a 50% ethanolic extract (HP-ext) of devil's claw, the secondary root of Harpagophytum procumbens, showed a significant anti-inflammatory effect in the rat adjuvant-induced chronic arthritis model. HP-ext dose-dependently suppressed the lipopolysaccharide (LPS)-induced produ...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-010-0395-8
更新日期：2010-04-01 00:00:00
abstract：:Phellodendri Cortex (Obaku in Japanese) and Coptidis Rhizoma (Oren), both of which contain berberine, have been used to prepare the kampo formula orengedokuto to treat inflammatory diseases, including dermatitis, gastric ulcers, and gastritis. These drugs are blended differently in other formulas, such as the use of P...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-017-1107-4
更新日期：2017-10-01 00:00:00
abstract：:This experiment's with aim was to study the pharmacokinetics of asperosaponin VI and its three metabolites (cauloside A, HN saponin F and hederagenin) via a sensitive high performance liquid chromatography connected with electrospray ionization triple quadrupole mass spectrum (HPLC-ESI-MS/MS). Chromatographic separati...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-014-0821-4
更新日期：2014-07-01 00:00:00
abstract：:A new indole alkaloid, leucoridine A N-oxide (1), consisting of two units of a strychnan type of skeleton, was isolated from the leaves of Leuconotis griffithii. Its structure was elucidated by various spectroscopic means such as NMR and MS, and also by chemical means. Antiplasmodial activity against Plasmodium falcip...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-011-0574-2
更新日期：2012-04-01 00:00:00
abstract：:The evaluation of the antioxidant, anti-secretory and anti-inflammatory potentials of the ethyl acetate fraction (ELC) from the root bark of Lycium chinense against ethanol-induced gastric ulcer in mice and the possible mechanisms underlying this action was performed. The results indicated that oral administration of ...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-016-0984-2
更新日期：2016-07-01 00:00:00
abstract：:A new depsidone, paucinervin Q (1), a new dichromone, paucinervin R (2), and a known compound, paucinervin B (3), were isolated from the stems of Garcinia paucinervis by various chromatographic methods. Their structures were determined by analysis of spectroscopic data. The isolates were evaluated for their antiprolif...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-018-1247-1
更新日期：2019-01-01 00:00:00
abstract：:Near-infrared (NIR) spectroscopy combined with chemometrics has been utilized in predictions of natural medicine content without destroying samples. Suppositories (oren powdered extract content 0, 0.5, 1.0, 2.5, 10, 12.5, and 15%) were produced by mixing oren powdered extract with macrogol mixture consisting of 1 part...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-011-0596-9
更新日期：2012-04-01 00:00:00
abstract：:The purpose of the study was to evaluate the suppressive effect of TJ-68 on duodenal spasms during endoscopic retrograde cholangiopancreatography (ERCP). At the point when the duodenal papilla was confirmed after insertion of the endoscope during ERCP, 5.0 g TJ-68 (Tsumura Co., Tokyo, Japan) was dissolved in 50 ml of ...
journal_title：Journal of natural medicines
pub_type： 临床试验,杂志文章
doi：10.1007/s11418-008-0304-6
更新日期：2009-04-01 00:00:00
abstract：:This investigation was aimed to probe the pharmacological base of medicinal use of Acorus calamus in ischemic heart diseases. Effect on heart parameters was studied in isolated rabbit heart while coronary vasodilator effect was studied in isolated bovine coronary arterial rings, suspended in tissue baths filled with K...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-011-0561-7
更新日期：2012-01-01 00:00:00
abstract：:Aloperine (ALO), one of the alkaloids isolated from Sophora alopecuroides L., is traditionally used for various diseases including neuronal disorders. This study investigated the protective effects of ALO on neonatal rat primary-cultured hippocampal neurons injured by oxygen-glucose deprivation and reperfusion (OGD/RP...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-015-0928-2
更新日期：2015-10-01 00:00:00
abstract：:Picrasma javanica Blume (Simaroubaceae) is a medium-sized tree that is distributed widely in tropical Asia. In our previous study, we isolated quassinoids from P. javanica bark collected in Myanmar, and reported their antiproliferative activities. In our ongoing research for the discovery of bioactive compounds from M...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-018-01279-z
更新日期：2019-06-01 00:00:00
abstract：:Shakuyakukanzoto (SKT) is a kampo medicine composed of equal proportions of Glycyrrhizae radix (G. radix) and Paeoniae radix (P. radix). A double-blind study reported that SKT significantly ameliorated painful muscle cramp in cirrhosis patients without the typical severe side effects of muscle weakness and central ner...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-015-0890-z
更新日期：2015-07-01 00:00:00
abstract：:Ceramicines are a series of limonoids which were isolated from the bark of Malaysian Chisocheton ceramicus (Meliaceae) and show various biological activities. Ceramicine B, in particular, has been reported to show a strong lipid droplet accumulation (LDA) inhibitory activity on a mouse pre-adipocyte cell line (MC3T3-G...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-017-1109-2
更新日期：2018-01-01 00:00:00
abstract：:From the 1-BuOH-soluble fraction of a MeOH extract of Euphorbia hirta, collected in the Okinawa islands, three new megastigmane glucoside gallates, named hirtionosides A-C, 3-hydroxyoctanoic acid glucosides and a phenylpropanoid glucoside were isolated along with 15 known compounds. The structures of the new compounds...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-012-0692-5
更新日期：2013-04-01 00:00:00
abstract：:We investigated the cytotoxicity of six neolignans (1-6), which are similar in structure to furanocyclohexenone with an angular allyl group, in human neuroblastoma cell lines (IMR-32, LA-N-1, NB-39, SK-N-SH) and normal cells [human umbilical vein endothelial cells (HUVEC) and human dermal fibroblasts (HDF)] using a 3-...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-011-0514-1
更新日期：2011-07-01 00:00:00
abstract：:Three new compounds, (3S)-dihydrobonducellin 8-O-β-D-glucopyranoside (1), 3',5'-dimethoxy-jezonolid (2), and latisilinoid (3), along with 16 known compounds, were isolated from the twigs of Caesalpinia latisiliqua (Leguminosae). The known compounds were identified as flavonoids, stilbenes, and phenolics as determined ...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-019-01335-2
更新日期：2020-01-01 00:00:00
abstract：:Cancer cachexia is a complex and multifactorial syndrome that influences about 50-80% of cancer patients and may lead to 20% of cancer deaths and muscle atrophy is the key characteristic of the syndrome. Recent researches have shown that myostatin is a negative regulator in the growth and differentiation of skeletal m...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-020-01428-3
更新日期：2020-09-01 00:00:00
abstract：:Curcuma comosa is widely used as a traditional herbal medicine for gynecological diseases in South East Asia. Previous studies reported that it has phytoestrogenic activity, and several diarylheptanoids were found to be the active constituents. In this study, the pharmacokinetics profile and organ distribution of thre...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-011-0607-x
更新日期：2012-07-01 00:00:00
abstract：:Ephedra Herb is a crude drug defined as the terrestrial stem of Ephedra sinica, E. intermedia, or E. equisetina. It is often used to treat headaches, bronchial asthma, nasal inflammation, and the common cold. In this study, we isolated characteristic non-alkaloidal constituents from the extracts and identified them in...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-018-1265-z
更新日期：2019-01-01 00:00:00
abstract：:Several studies have indicated the involvement of oxidative stress and high glucose-induced cell death in the development of diabetic neuropathy. Satureja khuzestanica has been recommended in the literature as a remedy for the treatment of diabetes, and also contains antioxidant agents. Here, we investigated the possi...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-012-0646-y
更新日期：2013-01-01 00:00:00
abstract：:Atherosclerosis is a major cause of coronary heart disease. As a result of the development of atherosclerotic lesions, the walls of blood vessels become thicker and inhibit blood circulation. Atherosclerosis is caused by a high-fat diet and vascular injury. Chronic arterial inflammation plays an important role in the ...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-018-1231-9
更新日期：2019-01-01 00:00:00
abstract：:Advanced glycation end-products (AGEs) are associated with a non-enzymatic reaction between the amino group of a protein and the carbonyl group of a sugar during hyperglycemia. The precipitation of AGEs in different tissues leads to many complications, such as endothelial dysfunction, cardiovascular complications, ath...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-016-1051-8
更新日期：2017-01-01 00:00:00
abstract：:Bioassay-guided chromatographic purification of the antitubercular chloroform extract of Pandanus tectorius Soland. var. laevis leaves afforded a new tirucallane-type triterpene, 24,24-dimethyl-5 beta-tirucall-9(11),25-dien-3-one (1), squalene and a mixture of the phytosterols stigmasterol and beta-sitosterol. Micropl...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-007-0218-8
更新日期：2008-04-01 00:00:00
abstract：:A methanolic extract of Argusia (or Messerschmidia or Tournefortia) argentea (Boraginaceae) significantly inhibited hemorrhage induced by crude venom of Trimeresurus flavoviridis. The extract was then separated according to antivenom activity by using silica gel column chromatography and HPLC equipped with an octadecy...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-010-0428-3
更新日期：2010-10-01 00:00:00
abstract：:A new β-carboline alkaloid (1) and two new matrine-type alkaloids (2 and 3), together with two known alkaloids (4 and 5), were isolated from the roots of Sophora tonkinensis. The new structures were elucidated via extensive analyses of the spectroscopic data (IR, UV, HRESIMS, NMR) and X-ray crystallography. The absolu...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-019-01313-8
更新日期：2019-06-01 00:00:00
abstract：:Two new phenolic compounds (1 and 2, named as teasperol and teasperin, respectively) were isolated from fermented tea (Camellia sinensis L.) products, together with known phenolic compounds. Teasperol (1) was isolated from Chinese traditional post-fermented tea leaves (Liu-pao tea) and teasperin (2) was from a Japanes...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-012-0704-5
更新日期：2013-07-01 00:00:00
abstract：:Picrorhiza kurrooa Royle ex Benth (Scrophulariaceae), commonly known as Kutki, is a major ingredient of many ayurvedic preparations prescribed in the treatment of various diseases. Picrosides I and II are the active agents responsible for the medicinal effects of Kutki, and the variation in content of these compounds ...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-010-0491-9
更新日期：2011-07-01 00:00:00
abstract：:The effects on guinea-pig heart muscle of extracts of Apocynum venetum L. leaf, root, stem, old stem and Venetron--a polyphenol-rich extract of leaves--were studied by recording the mechanical activity and heart rate of isolated right atria. Cymarin--a cardiac glycoside--was also determined in A. venetum extracts by L...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-008-0296-2
更新日期：2009-04-01 00:00:00
abstract：:The core of solid tumors is characterized by hypoxia and a nutrient-starved microenvironment and has gained much attention as targets of anti-cancer drugs. In the course of search for selective growth inhibitors against the cancer cells adapted to nutrient starvation, epidithiodiketopiperazine DC1149B (1) together wit...
journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-019-01357-w
更新日期：2020-01-01 00:00:00
