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PHR1552
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Charles Awortwe et al.
Xenobiotica; the fate of foreign compounds in biological systems, 45(3), 218-229 (2014-11-08)
1.This study investigated the mechanism underlying Echinacea-mediated induction of CYP1A2, CYP3A4 and MDR1 in terms of human pregnane X receptor (PXR) activation. 2.Crude extracts and fractions of Echinacea purpurea were tested for PXR activation in HepG2 cells by a reporter
Elena V Piletska et al.
The Analyst, 140(9), 3113-3120 (2015-03-10)
Curcumin is a versatile anti-inflammatory and anti-cancer agent known for its low bioavailability, which could be improved by developing materials capable of binding and releasing drug in a controlled fashion. The present study describes the preparation of magnetic nano-sized Molecularly
Keisuke Ohsumi et al.
The Journal of antibiotics, 67(10), 707-711 (2014-05-29)
A novel antifungal agent, AS2077715, was isolated from the fermentation broth of a fungal strain (339855) identified as a new Capnodium species based on morphological characteristics and large-subunit ribosomal DNA sequencing. AS2077715 was isolated as a white powder via solvent
Yung-Chih Kuo et al.
Journal of pharmaceutical sciences, 103(8), 2484-2497 (2014-07-22)
Liposomes with Cereport (RMP-7) and transferrin (Tf) (RMP-7/Tf/liposomes) were employed to target the blood-brain barrier (BBB) and to inhibit the degeneration of neurons insulted with fibrillar β-amyloid peptide 1-42 (Aβ1-42). Neuron growth factor (NGF)-encapsulated RMP-7/Tf/liposomes (RMP-7/Tf/NGF-liposomes) were used to permeate
Snezana Agatonovic-Kustrin et al.
Journal of chromatography. A, 1385, 103-110 (2015-02-11)
The present study describes a simple high performance thin layer chromatographic (HPTLC) method for the simultaneous quantification of apigenin, chamazulene, bisabolol and the use of DPPH free radical as a post-chromatographic derivatization agent to compare the free radical scavenging activities
Elena Bogdanovic et al.
Neuroscience letters, 582, 87-92 (2014-09-15)
Isocitrate dehydrogenase 1 (IDH1) is an evolutionarily conserved enzyme that catalyzes the interconversion of isocitrate to α-ketoglutarate with the concomitant reduction of NADP(+) to NADPH. IDH1 has previously been shown to participate in lipid biosynthesis in various tissues such as
Anke C Stöhr et al.
PloS one, 10(2), e0118633-e0118633 (2015-02-24)
Ranaviruses in amphibians and fish are considered emerging pathogens and several isolates have been extensively characterized in different studies. Ranaviruses have also been detected in reptiles with increasing frequency, but the role of reptilian hosts is still unclear and only
Deok-Seon Ryu et al.
International journal of oncology, 45(1), 459-469 (2014-05-03)
We investigated the anticancer mechanisms of the ethylacetate (EtOAc) fraction from Orostachys japonicus in human gastric cancer (AGS) cells. Flow cytometric analysis revealed that the number of total apoptotic cells following treatment with the EtOAc fraction increased in a dose-dependent
Nolwenn Callac et al.
Extremophiles : life under extreme conditions, 19(3), 597-617 (2015-03-18)
Active hydrothermal chimneys host diverse microbial communities exhibiting various metabolisms including those involved in various biogeochemical cycles. To investigate microbe-mineral-fluid interactions in hydrothermal chimney and the driver of microbial diversity, a cultural approach using a gas-lift bioreactor was chosen. An
Cordula Stillhart et al.
Pharmaceutical research, 31(12), 3426-3444 (2014-06-26)
In vitro lipolysis is widely utilized for predicting in vivo performance of oral lipid-based formulations (LBFs). However, evaluation of LBFs in the absence of an absorption sink may have limited in vivo relevance. This study aimed at employing biopharmaceutical modeling
Takeshi Nakajima et al.
Investigative ophthalmology & visual science, 55(8), 5278-5283 (2014-07-24)
Activation of calpains (calpain 2 and Lp82) in rodent lenses readily causes proteolysis and cataract formation. In contrast, primate lenses are quite resistant to activation of calpains. The hypothesis is that high levels of human endogenous calpain inhibitor, calpastatin (CS)
T A Ignatowski et al.
Journal of neuroimmune pharmacology : the official journal of the Society on NeuroImmune Pharmacology, 10(1), 136-152 (2015-01-22)
Opiates act on the dopaminergic system of the brain and perturb 32 kDa dopamine and adenosine 3', 5'-monophosphate-regulated phosphoprotein (DARPP-32) function. The DARPP-32 mediated inhibition of protein phosphatase-1 (PP-1) and modulation of transcriptional factor CREB is critical to the changes
Richard McClure et al.
Journal of Alzheimer's disease : JAD, 44(1), 283-295 (2014-09-18)
Curcumin is a promising compound that can be used as a theranostic agent to aid research in Alzheimer's disease. Beyond its ability to bind to amyloid plaques, the compound can also cross the blood-brain barrier. Presently, curcumin can be applied
Monika Chauhan et al.
Bioorganic chemistry, 58, 1-10 (2014-12-03)
Design, microwave-assisted synthesis of novel 4-aryl (alkyl)amino-3-nitroquinoline (1a-1l) and 2,4-diaryl (dialkyl)amino-3-nitroquinolines (2a-2k and 3a) via regioselective and complete nucleophilic substitution of 2,4-dichloro-3-nitroquinoline, respectively in water are presented. The newly synthesized compounds were evaluated for the first time for antiproliferative activity
M Rauner et al.
Bone, 64, 281-287 (2014-05-02)
Cathepsin S is a cysteine protease that controls adipocyte differentiation and has been implicated in vascular and metabolic complications of obesity. Considering the inverse relation of osteoblasts and adipocytes and their mutual precursor cell, we hypothesized that cathepsin S may
A Ahmad et al.
Letters in applied microbiology, 60(1), 8-19 (2014-10-28)
Studies describing the use of essential oil constituents as antimicrobial agents have steadily increased; however, some phyto-constituents are often overlooked due to unfavourable minimum inhibitory concentration (MIC) values. Virulence depends on transcriptional factors which are regulated by cell-to-cell communication called
Takuya Uchino et al.
Carbohydrate research, 402, 118-123 (2014-12-17)
The 3,6-O-(o-xylylene) bridge locks the conformation of glucopyranose to an axial-rich form. Although the conformational lock induces complete β-selectivity in a glycosylation reaction, the leaving group of the glycosyl donor is limited to fluorine. On the other hand, the bridge
Michalina Kosiorek et al.
PloS one, 9(6), e99118-e99118 (2014-06-07)
The bulk of human genes undergo alternative splicing (AS) upon response to physiological stimuli. AS is a great source of protein diversity and biological processes and is associated with the development of many diseases. Pheochromocytoma is a neuroendocrine tumor, characterized
Kwan Wee Tan et al.
ACS nano, 8(5), 4730-4739 (2014-04-02)
Structure control in solution-processed hybrid perovskites is crucial to design and fabricate highly efficient solar cells. Here, we utilize in situ grazing incidence wide-angle X-ray scattering and scanning electron microscopy to investigate the structural evolution and film morphologies of methylammonium
Jatin Mehta et al.
PloS one, 10(3), e0120622-e0120622 (2015-03-18)
Androgen Receptor (AR) is an essential transcription factor for the development of secondary sex characteristics, spermatogenesis and carcinogenesis. Recently AR has been implicated in the development and progression of breast and prostate cancers. Although some of the functions of the
Zoltán Béni et al.
Journal of pharmaceutical and biomedical analysis, 98, 279-286 (2014-06-27)
Herein we discuss the structure elucidation of an unknown peak detected by HPLC in the active pharmaceutical ingredient ulipristal acetate during analytical method development. An extensive chromatographic, MS and NMR spectroscopic study gave the surprising result that the detected component
Søren T Larsen et al.
Toxicological sciences : an official journal of the Society of Toxicology, 140(2), 436-444 (2014-05-28)
Inhalation of waterproofing spray products has on several occasions caused lung damage, which in some cases was fatal. The present study aims to elucidate the mechanism of action of a nanofilm spray product, which has been shown to possess unusual
Javier Casas et al.
Nature communications, 5, 5624-5624 (2014-11-28)
The earliest molecular events in T-cell recognition have not yet been fully described, and the initial T-cell receptor (TCR)-triggering mechanism remains a subject of controversy. Here, using total internal reflection/Forster resonance energy transfer microscopy, we observe a two-stage interaction between
Anna Färnert et al.
Malaria journal, 13, 459-459 (2014-11-27)
Assessments of the epidemiology of malaria over time are needed to understand changes in transmission and guide control and elimination strategies. A longitudinal population study was established in 1985 in Nyamisati village in the Rufiji River Delta, Tanzania. A physician
Myoung-Jun Jang et al.
Molecules (Basel, Switzerland), 19(12), 20340-20349 (2014-12-09)
Three saikosaponins were isolated from the MeOH extract of the roots of Bupleurum falcatum L.: saikosaponins B3 (1); B4 (2); and D (3). Of the three, compound 3 inhibited the interaction of selectins (E, L, and P) and THP-1 cells
Marek T Konieczny et al.
European journal of medicinal chemistry, 89, 733-742 (2014-12-03)
Synthesis, in vitro cytotoxic activity, and interaction with tubulin of (E)-1-(6-alkoxybenzo[d][1,3]oxathiol-5-yl)-3-phenylprop-2-en-1-one derivatives (2) are described. Some of the compounds demonstrated cytotoxic activity at submicromolar concentrations, and the activity could be related to interaction with tubulin at the colchicine binding site.
Sara Gago et al.
Medical mycology, 52(5), 472-481 (2014-05-23)
The epidemiology of Candida parapsilosis and the closely related species C. orthopsilosis and C. metapsilosis has changed in recent years, justify the need to identify this complex at the species level. In this study we investigate the intergenic spacer 1
A Jafarian et al.
Andrologia, 46(10), 1098-1106 (2013-12-12)
Busulfan is a chemotherapeutic drug that induces sterility, azoospermia and testicular atrophy. To induce degeneration of spermatogenesis, we used different amounts of busulfan. Adult male C57Bl/6 mice were treated with 15, 30 and 45 mg kg(-1) of busulfan. After 5 weeks, animals had
Juliana B Madeira et al.
Molecular and cellular biology, 35(4), 737-746 (2014-12-17)
Lipid droplets (LDs) are intracellular structures that regulate neutral lipid homeostasis. In mammals, LD synthesis is inhibited by rapamycin, a known inhibitor of the mTORC1 pathway. In Saccharomyces cerevisiae, LD dynamics are modulated by the growth phase; however, the regulatory
Robert T Dauchy et al.
Journal of the American Association for Laboratory Animal Science : JAALAS, 54(1), 40-50 (2015-02-05)
Early studies on rodents showed that short-term exposure to high-intensity light (> 70 lx) above 600 nm (red-appearing) influences circadian neuroendocrine and metabolic physiology. Here we addressed the hypothesis that long-term, low-intensity red light exposure at night (rLEN) from a
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