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Priscila Tomie Leme Ike et al.
SpringerPlus, 4, 654-654 (2015-11-07)
In this work we have identified, using mass spectrometry, two laccases produced by Leucoagaricus gongylophorus. One of them, Lac1Lg, was isolated, purified and characterized. Lac1Lg, a monomeric enzyme, was studied using ABTS and syringaldazine substrates. Lac1Lg presented kcat/Km almost threefold
Trim Lajqi et al.
International journal of molecular sciences, 22(5) (2021-04-04)
Microglia, the innate immune cells of the CNS, exhibit long-term response changes indicative of innate immune memory (IIM). Our previous studies revealed IIM patterns of microglia with opposing immune phenotypes: trained immunity after a low dose and immune tolerance after
Investigating the antioxidant and acetylcholinesterase inhibition activities of Gossypium herbaceam.
Yongxin Zhao et al.
Molecules (Basel, Switzerland), 18(1), 951-962 (2013-01-25)
Our previous research showed that standardized extract from the flowers of the Gossypium herbaceam labeled GHE had been used in clinical trials for its beneficial effects on brain functions, particularly in connection with age-related dementia and Alzheimer's disease (AD). The
Hai Ming Zhang et al.
Molecules (Basel, Switzerland), 17(12), 14037-14045 (2012-11-29)
Eight compounds were isolated from the water extract of Pu-erh tea and their structures were elucidated by NMR and MS as gallic acid (1), (+)-catechin (2), (−)-epicatechin (3), (−)-epicatechin-3-O-gallate (4), (−)-epigallocatechin-3-O-gallate (5), (−)-epiafzelechin- 3-O-gallate (6), kaempferol (7), and quercetin (8).
Lorena Fuentes-Broto et al.
Antioxidants (Basel, Switzerland), 10(11) (2021-11-28)
Retinitis pigmentosa (RP) is a group of inherited neurodegenerative diseases characterized by a progressive loss of visual function that primarily affect photoreceptors, resulting in the complete disorganization and remodeling of the retina. Progression of the disease is enhanced by increased
Meriam Missaoui et al.
Molecules (Basel, Switzerland), 25(9) (2020-05-10)
The Opuntia ficus indica (L.) (OFI) is used as a nutritional and pharmaceutical agent in various dietary and value added products. This study underlines the possible use of native prickly pear cladode powder as a functional ingredient for health-promoting food
Lívia Martins Costa E Silva et al.
Nutrients, 12(1) (2019-12-28)
Recent evidence suggests that replacing saturated fat with unsaturated fat is beneficial for cardiovascular health. This study compared the effects of Brazil nut oil (BNO) and soybean oil (SO) supplementation for 30 days on anthropometric, blood pressure, biochemical, and oxidative
Kirana P Mugaranja et al.
Heliyon, 6(7), e04392-e04392 (2020-07-17)
A phenolic rich fraction purified from Simarouba glauca leaves was effective in alpha glucosidase inhibition. The purified fraction named 'fraction-14' had shown significant inhibition of yeast alpha glucosidase enzyme activity (IC50 = 2.4 ± 0.4 μg/mL) when compared to anti-diabetic
Giovanna Baron et al.
Antioxidants (Basel, Switzerland), 10(2) (2021-01-28)
The aim of the study is to compare the qualitative and semi-quantitative profile of the polyphenol fraction purified from the leaf (BLPF) and fruit (BFPF) of bergamot (Citrus bergamia), and to evaluate their antioxidant and anti-inflammatory activity. The analytical qualitative
Jianwei Dong et al.
Journal of bioscience and bioengineering, 118(4), 396-399 (2014-04-20)
The tubers of Bletilla formosana were fermented with eight plant pathogen fungi, respectively, and antioxidant activities and total phenolic content (TPC) of the crude extracts of fermented products and non-fermented products were investigated. The antioxidant activities were evaluated in three
Mariane Fioroti Lorençoni et al.
Journal of ethnopharmacology, 252, 112562-112562 (2020-01-19)
Campomanesia species are used in folk medicine for anti-inflammatory, -ulcerogenic, -diabetic, -obesity, and many other purposes. This study aimed to investigate the phytochemical profile and pharmacotherapeutic potential of the essential oil (EO) and ethanolic extract (EXT) of the leaves of
Jing-Kun Yan et al.
Molecules (Basel, Switzerland), 18(1), 167-177 (2012-12-25)
EPS-1 was an exopolysaccharide produced by the medicinal fungus Cordyceps sinensis (Cs-HK1). In the present study, EPS-1 was sulfated with chlorosulfonic acid (CSA)-pyridine (Pyr) at different volume ratios, yielding four sulfated derivatives, SEPS-1A, B, C and D, with different degrees
Elena Arriero et al.
Oecologia, 188(4), 1001-1010 (2018-11-01)
Avian malaria parasites are known to have negative effects on their hosts, including consequences for reproductive success and survival. However, the outcome of disease may vary greatly among individuals, due to their particular genetic background, their past history of exposure
Keylla C Machado et al.
Chemico-biological interactions, 225, 47-53 (2014-12-03)
Essential oils have played a prominent role in research on natural products, due to the high level of bioactive constituents, which include those derived from phenylpropanoids or terpenoids. This study aimed to evaluate the antioxidant capacity of isopentyl ferulate (IF)
Expression of glucocorticoid resistance following social stress requires a second signal.
Avitsur R et al.
Journal of Leukocyte Biology, 74, 507-507 (2003)
Celeste Cottet et al.
Polymers, 13(2) (2021-01-13)
Poly(itaconic acid) (PIA) was synthesized via conventional radical polymerization. Then, functionalization of PIA was carried out by an esterification reaction with the heterocyclic groups of 1,3-thiazole and posterior quaternization by N-alkylation reaction with iodomethane. The modifications were confirmed by Fourier
M Gaber et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 107, 359-370 (2013-02-26)
Four triazole and thiadiazole-based azo chromophores namely [(E)-4-((1H-1,2,4-triazol-3-yl)diazenyl)benzene-1,3-diol.(HL(1)), (E)-4-((5-(methylthio)-1H-1,2,4-triazol-3-yl)diazenyl)benzene-1,3-diol.(HL(2)), (E)-4-((1,3,4-thiadiazol-2-yl)diazenyl)benzene-1,3-diol.(HL(3)) and (E)-4-((5-mercapto-1,3,4-thiadiazol-2-yl)diazenyl)benzene-1,3-diol.(HL(4))] were synthesized and characterized by elemental analyses, IR, UV-Vis as well as mass spectroscopy. Cu(II) complexes of the investigated azo dyes have been synthesized and characterized by elemental
Malika Ardhaoui et al.
Bioelectrochemistry (Amsterdam, Netherlands), 91, 52-61 (2013-02-19)
For the first time, a fast and versatile technique, an atmospheric pressure plasma jet (APPJ), has been used to functionalise graphite carbon electrodes for biofuel cell applications. The bioelectrode was functionalized by an atmospheric pressure plasma jet (APPJ) system using
Faten Brahmi et al.
Pakistan journal of biological sciences : PJBS, 16(22), 1469-1478 (2014-02-12)
The olive tree is generally grown under rain-fed conditions. However, since the yield response to irrigation is great, even with low amounts of water, there is increasing interest in irrigated agriculture. The main goal of this study was, therefore, to
Daniil N Olennikov et al.
Pharmaceuticals (Basel, Switzerland), 13(9) (2020-09-26)
Fragaria viridis Weston or creamy strawberry is one of the less-known species of the Fragaria genus (Rosaceae family) with a wide distribution in Eurasia and is still in the shadow of more popular relatives F. ananassa (garden strawberry) or F.
Sivakumar Uthandi et al.
Applied and environmental microbiology, 76(3), 733-743 (2009-12-08)
Laccases couple the oxidation of phenolic compounds to the reduction of molecular oxygen and thus span a wide variety of applications. While laccases of eukaryotes and bacteria are well characterized, these enzymes have not been described in archaea. Here, we
Elwira Sieniawska et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 52, 188-192 (2012-11-28)
Mutellina purpurea is an aromatic Apiaceae plant known as Alpine lovage. Its polar extracts consist of phenolic acids, tannins and flavonoids. The cytotoxic effect of methanolic and aqueous extracts from M. purpurea was studied on the most frequently used cell
Fan Shi et al.
Biotechnology letters, 42(5), 825-832 (2020-01-30)
To effectively and conveniently detect pathogenic bacteria, this study aimed to develop label-free biosensors fabricated affinity peptides that can recognize targeted bacteria strains and enable precise quantitative detections. A 12-mer peptide with high binding affinity toward Escherichia coli O157:H7 was
Yi-Kai Chih et al.
Bioelectrochemistry (Amsterdam, Netherlands), 91, 44-51 (2013-02-19)
An 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) (ABTS)-immobilized carbon nanotube (CNT) electrode was used to simultaneously detect dopamine (DA) and uric acid (UA) in the presence of ascorbic acid (AA) with differential pulse voltammetry. When ABTS was immobilized onto the CNT electrode in the
Trim Lajqi et al.
Frontiers in immunology, 11, 546415-546415 (2020-10-27)
Microglia, the innate immune cells of the central nervous system, feature adaptive immune memory with implications for brain homeostasis and pathologies. However, factors involved in the emergence and regulation of these opposing responses in microglia have not been fully addressed.
Yayoi Hirose et al.
Journal of natural products, 76(4), 554-558 (2013-02-21)
Using a TLC autographic assay for radical-scavenging activity with the ABTS radical, the presence of lipophilic antioxidants in the larvae of the wild bruchid seed beetle Bruchidius dorsalis was detected. Assay-guided fractionation of the CHCl3-soluble fraction of the larvae resulted
Elena Cretu et al.
Natural product communications, 9(4), 481-482 (2014-05-30)
A raw extract and four extractive fractions were obtained from Cedrus brevifolia (Cyprus cedar) bark. They were all studied regarding the phenolic content and profile using spectrophotometry and HPLC-DAD-ESI-MS. The antioxidant activity was investigated using in vitro assays: DPPH and
Mohammad-Bagher Ebrahim-Habibi et al.
Scientific reports, 9(1), 1273-1273 (2019-02-06)
Investigation of non-covalent interaction of hydrophobic surfaces with the protein G (PrG) is necessary due to their frequent utilization in immunosensors and ELISA. It has been confirmed that surfaces, including carbonous-nanostructures (CNS) could orient proteins for a better activation. Herein
Rhonda Flores et al.
PloS one, 10(5), e0127909-e0127909 (2015-05-23)
We previously identified hypothetical protein Cpn1027 as a novel inclusion membrane protein that is unique to Chlamydia pneumoniae. In the current study, using a yeast-two hybrid screen assay, we identified host cell cytoplasmic activation/proliferation-associated protein 2 (Caprin2) as an interacting
Lorena Perdices et al.
Antioxidants (Basel, Switzerland), 9(8) (2020-08-14)
Retinitis pigmentosa (RP) includes a group of genetic disorders that involve the loss of visual function due to mutations mainly in photoreceptors but also in other retinal cells. Apoptosis, retinal disorganization, and inflammation are common in the progression of the
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