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" within Papeles
Pradthana Sianglam et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 183, 408-416 (2017-05-06)
We demonstrate an advance in the fabrication of circular dichroism (CD) sensors for detection of Cd
Vangelis Agouridas et al.
Chemical reviews, 119(12), 7328-7443 (2019-05-06)
The native chemical ligation reaction (NCL) involves reacting a C-terminal peptide thioester with an N-terminal cysteinyl peptide to produce a native peptide bond between the two fragments. This reaction has considerably extended the size of polypeptides and proteins that can...
Jae Sue Choi et al.
Archives of pharmacal research, 37(10), 1354-1363 (2014-07-06)
To investigate the effect of C-glycosylation at different positions of luteolin, the structure-activity relationships of luteolin and a pair of isomeric C-glycosylated derivatives orientin and isoorientin, were evaluated. We investigated the effects of C-glycosylation on the antioxidant, anti-Alzheimer's disease (AD)...
Sakura Yoshida et al.
Chemical & pharmaceutical bulletin, 64(1), 52-58 (2016-01-05)
The intracellular metabolism of selenium in the brain currently remains unknown, although the antioxidant activity of this element is widely acknowledged to be important in maintaining brain functions. In this study, a comprehensive method for identifying the selenium-binding proteins using...
Jiyoung Moon et al.
Nutrients, 11(12) (2019-12-18)
Since arginase has been shown to compete with nitric oxide (NO) synthase, emerging evidence has reported that arginase inhibition improves obesity by increasing NO production. Semen cuscutae (SC), which is a well-known Chinese medicine, has multiple biological functions such as...
Md Yousof Ali et al.
Chemico-biological interactions, 305, 180-194 (2019-04-01)
Didymin is a naturally occurring orally active flavonoid glycoside (isosakuranetin 7-O-rutinoside) found in various citrus fruits, which has been previously reported to possess a wide variety of pharmacological activities including anticancer, antioxidant, antinociceptive, neuroprotective, hepatoprotective, inflammatory, and cardiovascular. However, there...
Xia Lin et al.
Colloids and surfaces. B, Biointerfaces, 148, 371-376 (2016-11-05)
A new stable and stereo-selective electrochemiluminescence (ECL) interface has been designed for specific recognition of penicillamine (Pen) enantiomers by using hemoglobin (Hb) and gold nanoparticles functionalized graphite-like carbon nitride nanosheets composite (Au-g-C
Danuta Gillner et al.
Bioorganic & medicinal chemistry letters, 19(22), 6350-6352 (2009-10-14)
The dapE-encoded N-succinyl-L,L-diaminopimelic acid desuccinylase (DapE) is a critical bacterial enzyme for the construction of the bacterial cell wall. A screen biased toward compounds containing zinc-binding groups (ZBG's) including thiols, carboxylic acids, boronic acids, phosphonates and hydroxamates has delivered a...
Yun Hee Jeong et al.
Food chemistry, 314, 126196-126196 (2020-01-19)
Little is known of plasma-mediated relations between major food components and their biological capacities. In the present work, the effects of dielectric barrier discharge (DBD) plasma irradiation on pure sesamol and sesame oil were investigated using spectroscopic (LC-MS, NMR) and...
Alana K Majors et al.
PloS one, 13(7), e0200074-e0200074 (2018-07-03)
Asthma is a chronic inflammatory disease that is known to cause changes in the extracellular matrix, including changes in hyaluronan (HA) deposition. However, little is known about the factors that modulate its deposition or the potential consequences. Asthmatics with high...
Xinyi Wang et al.
ACS nano, 11(5), 4606-4616 (2017-05-02)
When nanoparticles are exposed to a physiological environment, a "protein corona" is formed that greatly determines their biological fate. Adsorption of proteins could be influenced by chiral surfaces of nanoparticles; however, very few quantitative studies are available on the interaction...
Mohammad Saifur Rahman et al.
Oncology letters, 14(3), 3169-3176 (2017-09-21)
Hyun Ju Do et al.
Evidence-based complementary and alternative medicine : eCAM, 2019, 6497691-6497691 (2019-11-07)
Rhus verniciflua is widely known for its antioxidant, antibacterial, anticancer, and antiaging efficacy and α-glucosidase inhibition. This study was designed whether Rhus verniciflua extracts inhibit the IgE-antigen-mediated allergic reaction in RBL-2H3 mast cells, and it further investigated the FcεRI- and...
Badrul Alam et al.
Avicenna journal of phytomedicine, 3(2), 112-125 (2013-04-01)
The present study was designed to evaluate the antioxidant, analgesic, and anti-inflammatory activities of the methanolic extract of Piper betle leaves (MPBL). MPBL was evaluated for anti-inflammatory activity using carrageenan-induced hind paw edema model. Analgesic activity of MPBL was evaluated...
Maria Pesavento et al.
Sensors (Basel, Switzerland), 19(23) (2019-12-05)
Highly sensitive plasmonic optical fiber platforms combined with receptors have been recently used to obtain selective sensors. A low-cost configuration can be obtained exploiting a D-shaped plastic optical fiber covered with a multilayer sensing surface. The multilayer consists of a...
Xinyi Wang et al.
Small (Weinheim an der Bergstrasse, Germany), 14(16), e1703982-e1703982 (2018-03-25)
Chiral properties of nanoscale materials are of importance as they dominate interactions with proteins in physiological environments; however, they have rarely been investigated. In this study, a systematic investigation is conducted for the adsorption behaviors of bovine serum albumin (BSA)...
Wenfeng Jiang et al.
Science (New York, N.Y.), 368(6491), 642-648 (2020-04-11)
The structural complexity of composite biomaterials and biomineralized particles arises from the hierarchical ordering of inorganic building blocks over multiple scales. Although empirical observations of complex nanoassemblies are abundant, the physicochemical mechanisms leading to their geometrical complexity are still puzzling...
Eriko Hori et al.
Metallomics : integrated biometal science, 10(4), 614-622 (2018-03-27)
As an essential micronutrient, selenium deficiency is a leading cause of cardiovascular diseases. The heart is continuously beating to deliver blood to the entire body, and this requires a high amount of energy. An adult heart normally obtains 50-70% of...
Anja Fux et al.
Cell chemical biology, 26(10), 1461-1468 (2019-08-27)
Pyridoxal 5'-phosphate (PLP) is a versatile cofactor that catalyzes a plethora of chemical transformations within a cell. Although many human PLP-dependent enzymes (PLP-DEs) with crucial physiological and pathological roles are known, a global method enabling their cellular profiling is lacking....
Xujun Liang et al.
Environmental science & technology, 53(18), 10685-10694 (2019-08-16)
The kinetics of mercuric ion (Hg2+) binding with heterogeneous naturally dissolved organic matter (DOM) has been hypothesized to result from competitive interactions among different organic ligands and functional groups of DOM for Hg2+. However, an experimental protocol is lacking to...
Bi-Lei Wang et al.
International journal of molecular medicine, 42(5), 2867-2880 (2018-09-19)
Exercise induces a number of benefits, including angiogenesis in post‑myocardial infarction (MI); however, the underlying mechanisms have not been fully clarified. Neurotrophic brain‑derived neurotrophic factor (BDNF) serves a protective role in certain adult cardiac diseases through its specific receptor, BDNF/NT‑3...
Antoaneta Belcheva et al.
PloS one, 8(5), e65204-e65204 (2013-06-07)
Gut microbiota has been linked to a number of human diseases including colon cancer. However, the mechanism through which gut bacteria influence colon cancer development and progression remains unclear. Perturbation of the homeostasis between the host immune system and microbiota...
Jae Sue Choi et al.
Archives of pharmacal research, 38(8), 1477-1487 (2014-11-06)
As part of our ongoing isolation of cholinesterase (ChE) inhibitors from natural marine sources, the bioactivity of the ethanolic extracts from 12 Korean seaweeds were screened for their inhibitory activities against acetylcholinesterase (AChE), butyrylcholinesterase (BChE), and total reactive oxygen species...
Teruyasu Hanaoka et al.
Medical gas research, 1(1), 18-18 (2011-12-08)
Molecular hydrogen (H2) functions as an extensive protector against oxidative stress, inflammation and allergic reaction in various biological models and clinical tests; however, its essential mechanisms remain unknown. H2 directly reacts with the strong reactive nitrogen species peroxynitrite (ONOO-) as...
H Ono et al.
Neurogastroenterology and motility : the official journal of the European Gastrointestinal Motility Society, 26(10), 1396-1407 (2014-07-22)
Although opioids induce intestinal muscle contraction and provoke constipation, the intestinal region(s) that contribute to the constipation have remained unclear. We report here a region-specific response of intestinal muscle contraction to morphine and its correlation with in vivo constipation. Regions...
Jichao Ma et al.
Electrophoresis, 37(4), 601-608 (2015-11-07)
In this work, a [Cu(mal)(bpy)]⋅H2O (mal, L-(-)-malic acid; bpy, 4,4'-bipyridyl) homochiral metal-organic frameworks (MOFs) was synthesized and used for modifying the inner walls of capillary columns by utilizing amido bonds to form covalent links between the MOFs particles and capillary...
Prasad G Mahajan et al.
Journal of fluorescence, 27(3), 829-839 (2017-01-17)
Schiff base centered fluorescent organic compound 1,1'-[(1E,2E)-hydrazine-1,2-diylidenedi(E)methylylidene]- dinaphthalen-2-ol (HN) was synthesized followed by spectral characterization viz., NMR, IR and Mass spectroscopy. The fluorescent nanoparticles of HN prepared using reprecipitation method shows red shifted aggregation induced enhanced emission (AIEE) with respect...
Hyun Ah Jung et al.
Archives of pharmacal research, 38(6), 1178-1187 (2014-10-11)
The aim of the present study was to evaluate the comparative anti-Alzheimer's disease (AD) activities of different parts of Nelumbo nucifera (leaves, de-embryo seeds, embryos, rhizomes, and stamens) in order to determine the selectivity and efficient use of its individual...
Hee Jin Jung et al.
Experimental gerontology, 143, 111153-111153 (2020-11-16)
We previously reported that 2,4-dihydroxyphenyl-benzo[d]thiazole (MHY553) is a PPARα agonist, which has been shown to inhibit tyrosinase activity in murine melanocyte and alleviate hepatic steatosis in aged rats. This study investigated the effects of MHY553 on the age-related occurrence of...
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