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" within Papeles
Anastasia Antonopoulou et al.
Journal of chemotherapy (Florence, Italy), 27(2), 80-86 (2014-02-20)
Methicillin-resistant Staphylococcus aureus (MRSA) producing Panton-Valentine leukocidin (PVL) is highly virulent. This study aimed to compare the efficacy of tigecycline versus vancomycin in experimental thigh abscess by a PVL-producing MRSA isolate. One hundred and ninety-six Wistar rats were divided into
Jihwan Myung et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(29), E3920-E3929 (2015-07-02)
The mammalian suprachiasmatic nucleus (SCN) forms not only the master circadian clock but also a seasonal clock. This neural network of ∼10,000 circadian oscillators encodes season-dependent day-length changes through a largely unknown mechanism. We show that region-intrinsic changes in the
Kalyan C Tirupula et al.
PloS one, 9(7), e103520-e103520 (2014-07-30)
MAS is a G protein-coupled receptor (GPCR) implicated in multiple physiological processes. Several physiological peptide ligands such as angiotensin-(1-7), angiotensin fragments and neuropeptide FF (NPFF) are reported to act on MAS. Studies of conventional G protein signaling and receptor desensitization
G Mészáros et al.
Acta physiologica Hungarica, 102(2), 216-227 (2015-06-24)
Mitochondrial functions have a major impact on T-cell functionality. In this study we characterized whether mitochondrial function in the neonatal T-cells differs from that in the adult T-cells during short T-cell activation. We used flow cytometry methods to test mitochondrial
Savitha Sambandamoorthy et al.
Biology open, 4(7), 885-892 (2015-05-24)
Integrin-mediated cell adhesion to the ECM regulates many physiological processes in part by controlling cell proliferation. It is well established that many normal cells require integrin-mediated adhesion to enter S phase of the cell cycle. Recent evidence indicates that integrins
Andrew C Meyer et al.
Psychopharmacology, 232(13), 2275-2285 (2015-01-09)
Previous research suggests both genetic and environmental influences on substance abuse vulnerability. The current work sought to investigate the interaction of genes and environment on the acquisition of amphetamine self-administration as well as amphetamine-stimulated dopamine (DA) release in nucleus accumbens
Mohamed Mlih et al.
Molecular and cellular biochemistry, 404(1-2), 211-220 (2015-03-12)
Osteopontin (OPN), a multifunctional glycophosphoprotein, has been reported to contribute to the development and progression of cardiac remodeling and hypertrophy. Cardiac-specific OPN knockout mice were protected against hypertrophy and fibrosis mediated by Ang II. Recently, transgenic mice expressing the active
Shogo Sasaki et al.
Journal of bioscience and bioengineering, 119(2), 200-205 (2014-07-26)
We demonstrated the synthesis of molecularly imprinted polymers (MIPs) with binding affinity toward a target protein, ribonuclease A (RNase) by atom transfer radical polymerization (ATRP) of acrylic acid, acrylamide, and N,N'-methylenebisacrylamide in the presence of RNase. The binding activity of
Tejinder Singh et al.
American journal of physiology. Renal physiology, 309(3), F189-F203 (2015-06-19)
ANG II type 1 receptor blockade (AT1R-BLK) is used extensively to slow down the progression of proteinuric kidney diseases. We hypothesized that AT1R-BLK provides podocyte protection through regulation of silencing mediator of retinoic acid and thyroid hormone receptor (SMRT) and
Immacolata Venditto et al.
Acta crystallographica. Section F, Structural biology communications, 71(Pt 6), 784-789 (2015-06-10)
A number of anaerobic microorganisms produce multi-modular, multi-enzyme complexes termed cellulosomes. These extracellular macromolecular nanomachines are designed for the efficient degradation of plant cell-wall carbohydrates to smaller sugars that are subsequently used as a source of carbon and energy. Cellulolytic
Wan Chen et al.
The Journal of steroid biochemistry and molecular biology, 152, 16-24 (2015-04-25)
Glucocorticoid-induced tendon rupture is very common in clinical practice, and the overall outcome of surgical suture repair is rather poor. The mechanism remains unclear, and effective treatments are still lacking. In the present study, we investigated the effect of dexamethasone
Casey G Langdon et al.
Oncotarget, 6(35), 37410-37425 (2015-10-21)
Targeting anti-apoptotic proteins can sensitize tumor cells to conventional chemotherapies or other targeted agents. Antagonizing the Inhibitor of Apoptosis Proteins (IAPs) with mimetics of the pro-apoptotic protein SMAC is one such approach. We used sensitization compound screening to uncover possible
Sayaka Matsumura et al.
Journal of dermatological science, 78(3), 215-223 (2015-04-01)
Nerve growth factor (NGF), a neurotrophin that plays a critical role in developmental neurobiology, is released by proliferating keratinocytes and induces proliferation. The aim of this study was to investigate the role of tyrosine kinase receptor A (TrkA), a high-affinity
Xiaojun Ge et al.
Molecular medicine reports, 11(1), 333-340 (2014-10-24)
The aim of the present study was to establish, characterize and elucidate the potential mechanisms of acquired gefitinb resistance, using the A549 human lung cancer cell line. A gefitinib-resistant A549 sub-clone was established by exposure to escalating gefitinib concentrations over
Qingchun Mu et al.
Cancer biology & therapy, 16(4), 623-633 (2015-02-27)
Glioblastomas multiforme (GBM) are the most frequently occurring malignant brain cancers. Treatment for GBM consists of surgical resection and subsequent adjuvant radiation therapy and chemotherapy. Despite this, GBM patient survival is limited to 12-15 months, and researchers are continually trying to
Jiying Liu et al.
FEBS letters, 588(23), 4497-4503 (2014-12-03)
Smad7 has a key role in apoptosis of mammalian ovarian granulosa cells (GCs), as it antagonizes and fine-tunes transforming growth factor β (TGFβ) signaling. This study demonstrates that miR-92a regulates GC apoptosis in pig ovaries by targeting Smad7 directly. The
Falk Dittrich et al.
BMC neuroscience, 15, 128-128 (2014-12-03)
In male birds, influence of the sex steroid hormone testosterone and its estrogenic metabolites on seasonal song behavior has been demonstrated for many species. In contrast, female song was only recently recognized to be widespread among songbird species, and to
Soon-Sun Hong et al.
Journal of immunology (Baltimore, Md. : 1950), 195(1), 237-245 (2015-05-31)
IL-6 is a major causative factor of inflammatory disease. Although IL-6 and its signaling pathways are promising targets, orally available small-molecule drugs specific for IL-6 have not been developed. To discover IL-6 antagonists, we screened our in-house chemical library and
Søren Roi Midtgaard et al.
Biophysical journal, 109(2), 308-318 (2015-07-23)
Structural and functional aspects of high-density lipoproteins have been studied for over half a century. Due to the plasticity of this highly complex system, new aspects continue to be discovered. Here, we present a structural study of the human Apolipoprotein
José F Huertas-Pérez et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 32(8), 1352-1357 (2015-07-01)
A rapid, simple and effective method for the determination of citrinin in rice by UHPLC coupled to fluorescence detection has been developed and validated. Extraction of citrinin from rice samples was achieved by applying a QuEChERS-based extraction/partitioning process with water
Antonia Hildebrand et al.
Molecular vision, 20, 1749-1757 (2015-01-06)
Corneal transplantation is the most frequent and successful form of tissue transplantation in adults (<10% rejection). In young children, any corneal opacity should be corrected as early as possible to prevent lifelong visual impairment. However, the corneal graft rejection rate
Brendan N Putko et al.
PloS one, 9(6), e99495-e99495 (2014-06-14)
Various pathways have been implicated in the pathogenesis of heart failure (HF) with preserved ejection fraction (HFPEF). Inflammation in response to comorbid conditions, such as hypertension and diabetes, may play a proportionally larger role in HFPEF as compared to HF
G Ayranci et al.
Psychopharmacology, 232(11), 1957-1971 (2014-12-09)
Opiate addiction is a brain disorder emerging through repeated intoxication and withdrawal episodes. Epidemiological studies also indicate that chronic exposure to opiates may lead in susceptible individuals to the emergence of depressive symptoms, strongly contributing to the severity and chronicity
Shuxin Han et al.
Nature communications, 6, 7231-7231 (2015-06-05)
Circadian control of nutrient availability is critical to efficiently meet the energetic demands of an organism. Production of bile acids (BAs), which facilitate digestion and absorption of nutrients, is a major regulator of this process. Here we identify a KLF15-Fgf15
Jingwen Song et al.
Molecular and cellular biology, 35(11), 1926-1939 (2015-03-18)
The requirement for alternative splicing during adipogenesis is poorly understood. The Sam68 RNA binding protein is a known regulator of alternative splicing, and mice deficient for Sam68 exhibit adipogenesis defects due to defective mTOR signaling. Sam68 null preadipocytes were monitored
Milo B Fasken et al.
PLoS genetics, 11(3), e1005044-e1005044 (2015-03-17)
Non-coding RNAs (ncRNAs) play critical roles in gene regulation. In eukaryotic cells, ncRNAs are processed and/or degraded by the nuclear exosome, a ribonuclease complex containing catalytic subunits Dis3 and Rrp6. The TRAMP (Trf4/5-Air1/2-Mtr4 polyadenylation) complex is a critical exosome cofactor
Kyung H Choi et al.
Biochimie, 115, 17-27 (2015-05-03)
The POT1 protein plays a critical role in telomere protection and telomerase regulation. POT1 binds single-stranded 5'-TTAGGGTTAG-3' and forms a dimer with the TPP1 protein. The dimer is recruited to telomeres, either directly or as part of the Shelterin complex.
S Y Oh et al.
Cell death & disease, 6, e1750-e1750 (2015-05-08)
Arachidonic acid (AA) is largely released during injury, but it has not been fully studied yet how AA modulates wound repair with stem cells. Therefore, we investigated skin wound-healing effect of AA-stimulated human umbilical cord blood-derived mesenchymal stem cells (hUCB-MSCs)
Darceny Zanetta-Barbosa et al.
Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons, 72(1), 127-127 (2013-12-18)
This study evaluated the healing process of teeth replanted after root treatment and intracanal dressing with indomethacin alone or indomethacin with calcium hydroxide (Ca[OH]2). Through a case-control study, 24 teeth of 6 adult dogs were extracted, dried, and divided into
Karina A Peña et al.
The Biochemical journal, 470(1), 65-76 (2015-08-08)
Transition metal toxicity is an important factor in the pathogenesis of numerous human disorders, including neurodegenerative diseases. Lysosomes have emerged as important factors in transition metal toxicity because they handle transition metals via endocytosis, autophagy, absorption from the cytoplasm and
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