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Casimiro Gerarduzzi et al.
Journal of proteome research, 13(11), 5262-5280 (2014-09-17)
The Prostaglandin E2 (PGE2) signaling mechanism within fibroblasts is of growing interest as it has been shown to prevent numerous fibrotic features of fibroblast activation with limited evidence of downstream pathways. To understand the mechanisms of fibroblasts producing tremendous amounts
Fadil A Bidmos et al.
PloS one, 10(7), e0133855-e0133855 (2015-07-25)
Acquisition of iron from host complexes is mediated by four surface-located receptors of Neisseria meningitidis. The HmbR protein and heterodimeric HpuAB complex bind to haemoglobin whilst TbpBA and LbpBA bind iron-loaded transferrin and lactoferrin complexes, respectively. The haemoglobin receptors are
Emi Shoji et al.
Scientific reports, 5, 12831-12831 (2015-08-21)
Duchenne muscular dystrophy (DMD) is a progressive and fatal muscle degenerating disease caused by a dystrophin deficiency. Effective suppression of the primary pathology observed in DMD is critical for treatment. Patient-derived human induced pluripotent stem cells (hiPSCs) are a promising
Thomas G Hammond et al.
The Journal of pharmacology and experimental therapeutics, 350(2), 387-402 (2014-06-07)
Covalent protein modifications by electrophilic acyl glucuronide (AG) metabolites are hypothetical causes of hypersensitivity reactions associated with certain carboxylate drugs. The complex rearrangements and reactivities of drug AG have been defined in great detail, and protein adducts of carboxylate drugs
Jin-Ah Lee et al.
Nutrients, 7(11), 9650-9661 (2015-11-28)
The aim of this study was to improve the anti-inflammatory activities of apigenin through co-treatment with resveratrol as a bioenhancer of apigenin. RAW 264.7 cells pretreated with hepatic metabolites formed by the co-metabolism of apigenin and resveratrol (ARMs) in HepG2
Xingyu Dong et al.
Experimental and molecular pathology, 98(2), 192-199 (2015-01-27)
Glioma is an aggressive tumor with poor prognosis. Identification of precise prognostic marker and effective therapeutic target is important in the treatment of glioma. HTATIP2 is a novel tumor suppressor gene, which is frequently silenced by epigenetic mechanisms in many
Hyun-Kyung Na et al.
Toxicology letters, 232(2), 429-437 (2014-12-03)
Tobacco smoking is a well-known cause of various diseases, however, its toxic mechanisms for diseases are not completely understood, yet. Therefore, we performed biological monitoring to find tobacco smoking-responsive mechanisms including oxidative stress in Korean men (N=36). Whole genome microarray
Zhigang Wang et al.
Journal of pharmaceutical and biomedical analysis, 107, 1-6 (2015-01-06)
The metabolism of gentiopicroside in vivo was studied by LC/MS following 2,4-dinitrophenylhydrazine derivatization for the first time. The ionization efficiency of the major metabolites erythrocentaurin and gentiopicral were greatly enhanced by the new analytical method developed, and they were successfully
Sang H Min et al.
Nature communications, 5, 4691-4691 (2014-09-03)
PIKfyve is essential for the synthesis of phosphatidylinositol-3,5-bisphosphate [PtdIns(3,5)P2] and for the regulation of endolysosomal membrane dynamics in mammals. PtdIns(3,5)P2 deficiency causes neurodegeneration in mice and humans, but the role of PtdIns(3,5)P2 in non-neural tissues is poorly understood. Here we
Runping Liu et al.
PloS one, 10(5), e0125928-e0125928 (2015-05-02)
Human head and neck squamous cell carcinoma (HNSCC) is the sixth most malignant cancer worldwide. Despite significant advances in the delivery of treatment and surgical reconstruction, there is no significant improvement of mortality rates for this disease in the past
Yan Li et al.
Genes & development, 28(23), 2597-2612 (2014-11-15)
Identifying signaling pathways that regulate hematopoietic stem and progenitor cell (HSPC) formation in the embryo will guide efforts to produce and expand HSPCs ex vivo. Here we show that sterile tonic inflammatory signaling regulates embryonic HSPC formation. Expression profiling of
Nahid Dayyani et al.
European journal of medicinal chemistry, 98, 190-202 (2015-05-30)
Novel pH-sensitive, biocompatible and biodegradable magneto-dendrimers with OH and/or NH2 functional groups based on poly amino-ester were synthesized for delivery of anti-cancer drugs. Magnetite nanoparticles (MNPs) were synthesized by the co-precipitation method and their surfaces were modified by 3-aminopropyl triethoxysilane.
Jiawei Meng et al.
Journal of separation science, 38(12), 2117-2125 (2015-04-03)
In this work, a novel magnetic nanomaterial functionalized with a molecularly imprinted polymer was prepared for the extraction of protoberberine alkaloids. Molecularly imprinted polymers were made on the surface of Fe3 O4 nanoparticles by using berberine as template, acetonitrile/water as
Steven C Tsai et al.
American journal of physiology. Cell physiology, 306(12), C1108-C1118 (2014-03-15)
Our knowledge of the molecular mechanisms underlying human embryonic stem cell (hESC) self-renewal and differentiation is incomplete. The level of octamer-binding transcription factor 4 (Oct4), a critical regulator of pluripotency, is precisely controlled in mouse embryonic stem cells. However, studies
Salah Khanahmadzadeh et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 972, 6-13 (2014-10-13)
A new process was developed for the selective extraction and pre-concentration of amitriptyline (AT) from human plasma using nano-sized molecularly imprinted polymer (MIP) with ultrasound-assisted extraction (UAE). The nano-sized AT imprinted polymer particles were synthesized using suspension polymerization in silicon
Jingming Zhou et al.
Biochimica et biophysica acta, 1853(2), 370-376 (2014-12-03)
Histone deacetylase 4 (HDAC4) is a critical negative regulator for chondrocyte hypertrophy by binding to and inhibiting Runx2, a critical transcription factor for chondrocyte hypertrophy. It is unclear how HDAC4 expression and stability are regulated during growth plate development. We
Toshihiro Sakurai et al.
Bioresource technology, 200, 861-866 (2015-11-26)
The unicellular red alga Galdieria sulphuraria grows efficiently and produces a large amount of biomass in acidic conditions at high temperatures. It has great potential to produce biofuels and other beneficial compounds without becoming contaminated with other organisms. In G.
Juan Salvador Chin-Pampillo et al.
Environmental science and pollution research international, 22(23), 19184-19193 (2015-08-08)
Pesticide biopurification systems contain a biologically active matrix (biomixture) responsible for the accelerated elimination of pesticides in wastewaters derived from pest control in crop fields. Biomixtures have been typically prepared using the volumetric composition 50:25:25 (lignocellulosic substrate/humic component/soil); nonetheless, formal
L Sheng et al.
Cell death & disease, 6, e1808-e1808 (2015-07-15)
Colorectal cancer (CRC) is one of the most common cancers worldwide, with a particularly high incidence in developed countries. Distant metastasis and recurrence are the main causes of CRC-related deaths. MicroRNAs (miRNAs) in the serum make them potential biomarkers for
Whitney Ann Cary et al.
World neurosurgery, 84(5), 1256-1266 (2015-06-16)
The dura mater can be easily biopsied during most cranial neurosurgical operations. We describe a protocol that allows for robust generation of induced pluripotent stem cells (iPSCs) and neural progenitors from acutely harvested dura mater. To generate iPSCs and neural
Andrey G Pradko et al.
Steroids, 97, 78-86 (2014-09-10)
Starting from (22R,23R)-2α,3α,22,23,26-pentahydroxy-5α-cholestan-6-one 26-hemisuccinate, conjugates of 28-norcastasterone with horse radish peroxidase and bovine serum albumin were prepared. The latter conjugate was injected into rabbits; produced polyclonal antibodies were used to quantitate 6-keto-brassinosteroids. The newly developed analytical system was used in
Dariusz Suchy et al.
Naunyn-Schmiedeberg's archives of pharmacology, 387(8), 733-742 (2014-05-02)
Macrophages are crucial for the development of atherosclerotic plaques. Classically activated macrophages contribute to plaque growth and destabilization, while alternatively activated macrophages increase plaque stability. Here, we assessed the influence of ezetimibe on the activation of monocyte-derived macrophages isolated from
Ning Han et al.
Molecular medicine reports, 12(1), 1098-1106 (2015-03-31)
Neural injury is associated with the development of diabetic retinopathy. Müller cells provide structural and metabolic support for retinal neurons. High glucose concentrations are known to induce Müller cell activity. Agmatine is an endogenous polyamine, which is enzymatically formed in
Sabina Strano-Rossi et al.
Journal of pharmaceutical and biomedical analysis, 106, 144-152 (2014-07-06)
The paper describes a liquid chromatography/high resolution mass spectrometry LC/HRMS method for the simultaneous identification and quantification of stimulants (ephedrines, caffeine, anorectic drugs such as phentermine, phendimetrazine, phenmetrazine, fenfluramine, benfluorex, mephentermine, fencanfamine, sibutramine) and PDE5I (sildenafil, vardenafil and tadalafil) in
Paulo Emílio C Leite et al.
Archivum immunologiae et therapiae experimentalis, 62(6), 483-491 (2014-05-17)
Sustained chronic inflammation induces activation of genes involved in cellular proliferation and apoptosis, thereby causing skeletal muscle degeneration. To investigate in vitro effects of isolated pentacyclic triterpenes from Eugenia punicifolia (Ep-CM) upon signaling pathways involved in the regulation of skeletal
Rosa Ana Pérez et al.
Analytical and bioanalytical chemistry, 407(7), 1913-1924 (2015-02-04)
Two magnetic solid-phase extraction methods (mSPE) were developed and compared for the extraction and preconcentration of polychlorinated biphenyls (PCBs) from water and soil leachates. Analyses were carried out by gas chromatography coupled to triple quadrupole mass spectrometry. The mSPE extraction
Qing-qing Zhang et al.
Acta pharmacologica Sinica, 36(9), 1113-1125 (2015-06-23)
Cathepsin L is a lysosomal cysteine protease that plays important roles in cancer tumorigenesis, proliferation and chemotherapy resistance. The aim of this study was to determine how cathepsin L regulated the radiosensitivity of human glioma cells in vitro. Human glioma
Giuseppe Cirillo et al.
Materials science & engineering. C, Materials for biological applications, 48, 499-510 (2015-01-13)
Thermo-responsive hydrogel films, synthesized by UV-initiated radical polymerization, are proposed as delivery devices for non-steroidal anti-inflammatory drugs (Diclofenac sodium and Naproxen). N-isopropylacrylamide and N,N'-ethylenebisacrylamide were chosen as thermo-sensitive monomer and crosslinker, respectively. Infrared spectroscopy was used to assess the incorporation
Takeshi Fukushima et al.
Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine, 28(4), 669-677 (2015-04-09)
We previously developed a chelating ligand, 1-(2-hydroxy-3-methoxybenzaldehyde)-4-aminosalicylhydrazone (HMB-ASH), which can chelate Fe(III) to form a complex. The HMB-ASH-Fe(III) complex exhibits a dose-dependent anti-proliferative effect in HepG2 cells, whereas the ligand, HMB-ASH, and Fe(III) alone had no considerable effect. The HMB-ASH-Fe(III)
Gemma Moiset et al.
Journal of the American Chemical Society, 136(46), 16167-16175 (2014-10-16)
Disaccharides are well-known for their membrane protective ability. Interaction between sugars and multicomponent membranes, however, remains largely unexplored. Here, we combine molecular dynamics simulations and fluorescence microscopy to study the effect of mono- and disaccharides on membranes that phase separate
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