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Flavia M Michelini et al.
Bioorganic & medicinal chemistry, 21(2), 560-568 (2012-12-12)
Many viral infections are associated with the development of immunopathologies and autoimmune diseases, which are of difficult treatment and for which no vaccines are yet available. Obtaining compounds that conjugate both antiviral and immunomodulatory activities in the same molecule would
Jin-Song Liu et al.
Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials, 35(8), 1246-1250 (2013-01-17)
To study the triterpenoids constituents from Wisteria sinensis Sweet Caulis. The compounds were beta-solated and purified with silica gel and Sephadex LH-20 column chromatography from the petroleum ether extract. Their structures were determined on the basis of physicochemical properties and
Luiz C Klein-Júnior et al.
Basic & clinical pharmacology & toxicology, 111(3), 145-153 (2012-03-03)
Polygala cyparissias, used in folk medicine as an anaesthetic, has already demonstrated antinociceptive activity against acute pain. In this study, we investigated the antihyperalgesic activity of the P. cyparissias methanol extract (PCME) from which the following compounds were isolated: α-spinasterol
E M Nogovitsina et al.
Bioorganicheskaia khimiia, 37(5), 697-704 (2012-02-16)
The conditions for a directed biocatalytic oxidation of beta-sitosterol to a pharmacologically promising stigmast-4-en-3-one using Rhodococcus actinobacteria were selected. It was shown that palmitic acid induced the cholesterol oxidase reaction and allowed for the decrease in the bioconversion process duration
Tomas J Poklepovich et al.
Steroids, 96, 132-139 (2015-02-15)
Tetrahymena thermophila transforms exogenous cholesterol into pro-vitamin D3 (7-dehydrocholesterol) with remarkable efficiency in a one-step reaction carried out by a C-7 cholesterol desaturase. The enzyme DES7 is encoded by the gene TTHERM_00310640, identified with RNAi and gene knock-out experiments, but
Tae Hoon Lee et al.
International immunopharmacology, 13(3), 264-270 (2012-05-19)
Extracts from the leaves of Stewartia koreana are known to exhibit strong anti-inflammatory activity. Investigation of bioactive compounds from S. koreana has led to the isolation of 3-O-β-d-glucopyanosylspinasterol (spinasterol-Glc), a spinasterol glycoside. In the present study, we examined the effects
Youngki Park et al.
Nutrition research (New York, N.Y.), 33(2), 154-161 (2013-02-13)
Dietary consumption of phytosterols and certain fatty acids has been shown to reduce cholesterol absorption and plasma cholesterol concentrations. However, it has not been fully elucidated whether phytosterols or fatty acids can alter the expression of cholesterol transporters by functioning
L Alemany et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 50(9), 3106-3113 (2012-07-04)
The biological implications of cholesterol oxidation products have been investigated, though research on plant sterol oxidation products is scarce and in some cases contradictory. The cytotoxicity of 7keto(k)-stigmasterol versus 7keto(k)-cholesterol at different concentrations (0-120 μM) and incubation times (4-24h), in
Satyendra K Prasad et al.
The Journal of pharmacy and pharmacology, 66(12), 1808-1817 (2014-08-19)
To scientifically validate the traditional substitution of roots of highly expensive Aconitum heterophyllum (AH) with rhizomes of Cryptocoryne spiralis (CS) in the treatment of diarrhoea. Different fractions from root/rhizome extract of both the plant were subjected to faecal excretion rate
Tian-Shan Wang et al.
Natural product communications, 8(10), 1427-1429 (2013-12-21)
Two new compounds, (+)-rumphiin (3) and polyalthurea (7), together with seven known ones, 3,4,5-trimethoxy benzoic acid (1), (-)-seselinone (2), cannabisin D (4), allantoin (5), oxostephanine (6) and a mixture of beta-sitosterol (8) and stigmasterol (9) were isolated from the stems
Annika Mutanen et al.
The American journal of clinical nutrition, 100(4), 1085-1094 (2014-08-08)
Increased serum concentrations of plant sterols, including stigmasterol, during parenteral nutrition (PN) have been linked with serum biochemical signs of intestinal failure-associated liver disease (IFALD), whereas clinical data on their correlation to histologic liver injury have been limited. We studied
Gregori Casals et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 960, 8-13 (2014-05-02)
Gas chromatography-mass spectrometry (GC-MS) remains as the gold-standard technique for the study of the steroid metabolome. A main limitation is the need of performing a derivatization step since incubation with strong silylations agents for long periods of time (usually 16
Phan Van Kiem et al.
Bioorganic & medicinal chemistry letters, 21(24), 7460-7465 (2011-11-11)
The rhizomes of Hedychium coronarium have been used for the treatment of inflammation, skin diseases, headache, and sharp pain due to rheumatism in traditional medicine. From this plant, three new labdane-type diterpenes 1-3, named coronarins G-I as well as seven
Shixin Deng et al.
Journal of natural products, 69(4), 536-541 (2006-04-29)
Serotonin receptor (5-HT(7)) binding assay-directed fractionation of a methanol extract of the dried roots of Angelica sinensis led to the isolation and identification of 21 compounds including a new phenolic ester, angeliferulate (1), and three new phthalides, 10-angeloylbutylphthalide (2), sinaspirolide
Min-Sang Yoo et al.
Food chemistry, 135(3), 967-975 (2012-09-08)
It has been reported that fucosterol has anti-diabetic, anti-oxidant, and anti-osteoporotic effects. We investigated the anti-inflammatory effects and the underlying molecular mechanism of fucosterol in lipopolysaccharide (LPS)-induced RAW 264.7 macrophages. Fucosterol suppressed the expressions of inducible nitric oxide synthase (iNOS)
Flora Pensec et al.
Journal of agricultural and food chemistry, 62(32), 7998-8007 (2014-07-25)
Triterpenoids present in grape cuticular waxes are of interest due to their potential role in protection against biotic stresses, their impact on the mechanical toughness of the fruit surface, and the potential industrial application of these biologically active compounds from
Sara Hoet et al.
Journal of natural products, 70(8), 1360-1363 (2007-07-20)
Fractionation of an antitrypanosomal lipophilic leaf extract from Strychnos spinosa led to the isolation of eight triterpenoids and sterols in this plant part for the first time. Two of these were found to possess in vitro antitrypanosomal activity, namely, saringosterol
Jinsoo Yi et al.
Chemistry and physics of lipids, 200, 62-73 (2016-10-26)
We have quantified the inhibition of intestinal cholesterol transport by pine-derived phytosterols using an HT29-MTX intestine cell model that forms a mucus layer similar to that in the intestine. An artificial intestinal fluid consisting of digested fat, bile salt, cholesterol
Pramod J Kasabe et al.
Protein expression and purification, 116, 30-41 (2015-08-16)
The novel bacterium, Rhodococcus sp. PKPD-CL was isolated and identified from the 'Chilika Lake' located at Odisha state of India, which is a largest brackish water habitat in Asia. Rhodococcus sp. PKPD-CL produces extracellular halo tolerant, detergent and organic solvent
Ki Hyun Kim et al.
Bioscience, biotechnology, and biochemistry, 76(4), 825-827 (2012-04-10)
A new steroid, itesmol 3-O-palmitate (1), along with two known steroids were isolated from the trunk of Berberis koreana. The structure of 1 was determined on the basis of spectroscopic analyses involving 2D NMR and chemical reactions. Compound 1 exhibited
Fan C Wang et al.
Food & function, 8(11), 3964-3969 (2017-10-04)
Phytosterols and phytosterol esters were encapsulated within large unilamellar liposomes prepared with soy phospholipids using a microfluidizer. The average particle diameter of these liposomal vesicles increased with increasing amounts of encapsulated phytosterols, especially with increasing free sterol content. The phytosterol
Norbert Vida et al.
Steroids, 77(12), 1212-1218 (2012-08-02)
Three new polyamine conjugates with stigmasterol [(3β,22E)-stigmasta-5,22-dien-3-ol] were synthesized and subjected to basic antimicrobial and cytotoxic tests. The conjugate derived from spermine, (3β,22E)-stigmasta-5,22-dien-3-yl 4(12-amino-4,9-diaza-dodecylamino)-4-oxobutanoate (5c), displayed considerable antimicrobial activity on Staphylococcus aureus at low concentration (50 μg mL(-1)). The cytotoxic
Andrei Mocan et al.
International journal of molecular sciences, 16(9), 21109-21127 (2015-09-26)
Aerial parts of Veronica species are used in Romanian traditional medicine for the treatment of various conditions like kidney diseases, cough, and catarrh, and are known for their wound-healing properties. In the present study, the phenolic and sterolic content and
Verena K Burg et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 33(41), 16072-16087 (2013-10-11)
Amyloid-β (Aβ), major constituent of senile plaques in Alzheimer's disease (AD), is generated by proteolytic processing of the amyloid precursor protein (APP) by β- and γ-secretase. Several lipids, especially cholesterol, are associated with AD. Phytosterols are naturally occurring cholesterol plant
Rie Nojo et al.
Natural product communications, 9(12), 1699-1704 (2015-01-30)
The C-24 configurations of (22E)-25,28-dimethylstigmasta-5,22,28-trien-3β-ol (1) and 25,28-dimethylstigmasta-5,28-dien-3β-ol (2), isolated from the sponge Topsentia ophiraphidites in our previous work, were determined to be both S, through the synthesis of stereodefined (24S)- and (24R)-epimers of 1 and 2 and comparison of
Atta-ur-Rahman et al.
Journal of natural products, 71(5), 910-913 (2008-03-18)
Two new triterpenoids, 18alpha,19beta-20(30)-taraxasten-3beta,21alpha-diol (cichoridiol) (1) and 17-epi-methyl-6-hydroxyangolensate (intybusoloid) (2), were obtained from the methanolic extract of seeds of Cichorium intybus along with 11 known compounds, lupeol (3), friedelin (4), beta-sitosterol (5), stigmasterol (6), betulinic acid (7), betulin (8), betulinaldehyde
Wei-Ping Chen et al.
Acta biochimica Polonica, 59(4), 537-541 (2012-10-18)
Stigmasterol has been shown exhibit anti-osteoarthritic properties in vitro studies. However, the in vivo effects of stigmasterol on cartilage are still unclear. This study investigated the anti-osteoarthritic properties of stigmasterol on cartilage degradation in a rabbit model of osteoarthritis (OA).
Allan Patrick G Macabeo et al.
Natural product communications, 7(6), 779-780 (2012-07-24)
Villarinol (1), a new alkenoyloxy alkenol metabolite, has been isolated from the dichloromethane extract of Villaria odorata, an endemic Rubiaceae Philippine plant, along with the known compounds stigmasterol and 4-hydroxybenzaldehyde. The structure of 1 was elucidated on the basis of
Young-Sang Kim et al.
BMB reports, 47(8), 433-438 (2013-11-30)
Plant sterols have shown potent anti-proliferative effects and apoptosis induction against breast and prostate cancers. However, the effect of sterols against hepatic cancer has not been investigated. In the present study, we assessed whether the stigmasterol isolated from Navicula incerta
Rgia A Othman et al.
The Journal of pediatrics, 166(1), 125-131 (2014-12-03)
To assess if ezetimibe (EZE), a sterol-absorption inhibitor, improves platelet (PLT) count and size relative to its effect on plasma plant sterol (PS) in patients with sitosterolemia (STSL). Patients with STSL (5 males, 3 females, 16-56 years of age) receiving
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