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A Laudisio, L Navarini, D P E Margiotta, A Gemma, S Giovannini, A Saviano, R Bernabei, A Afeltra, G Zuccalà, R Antonelli Incalzi
OBJECTIVE: Due to the aging of populations, the prevalence of hearing loss and osteoporosis is increasing. Previous studies have found an association between these conditions. Nevertheless, the pathophysiologic pathway of such an association has not yet been established. The present study aimed at evaluating the association, if any, of hearing loss with osteoporosis in an older unselected population, and whether this association varied according to inflammatory status. PATIENTS AND METHODS:   We assessed the association of osteoporosis with a self-reported hearing loss in all 310 subjects aged 75+ living in Tuscania (Italy), without exclusion criteria...
March 2018: European Review for Medical and Pharmacological Sciences
Y-Q Huang, Y Zou, R-J Zheng, X-D Ma
OBJECTIVE: Acute lymphocytic leukemia (ALL) is a multi-factorial blood disease with unknown pathogenesis. Histone H3K4 methylation was significantly reduced in ALL patients, whereas jumonji AT-rich interactive domain 1B (JARID1B) was the specific demethylase of H3K4me. This study explores the expression level of JARID1B in ALL patients and down-regulated JARID1B expression in ALL cells to explore the function of JARID1B in ALL. PATIENTS AND METHODS: JARID1B mRNA expression level in ALL patients was detected by Real-time PCR...
March 2018: European Review for Medical and Pharmacological Sciences
B-F Yang, W Cai, B Chen
OBJECTIVE: We aimed at detecting the expression of lncRNA SNHG12 in gastric carcinoma and at exploring its effect on the proliferative ability and metastasis of gastric carcinoma. Also, its mechanism was analyzed. PATIENTS AND METHODS: A total of 54 pairs of gastric carcinoma and paracancerous tissues were harvested from patients in our hospital. Clinical data were used for analyzing the relationship between lncRNA SNHG12 and general information of patients with gastric carcinoma...
March 2018: European Review for Medical and Pharmacological Sciences
W-W Liao, C Zhang, F-R Liu, W-J Wang
OBJECTIVE: MiR-155 has been shown to be up-regulated in hepatocellular carcinoma (HCC) patients. B-cell lymphoma-2 (Bcl-2) interacting mediator of cell death (BIM) regulates cell proliferation and apoptosis, as its down-regulation is involved in HCC onset. Transcriptional factor FoxO3a mediates BIM expression and is related to HCC pathogenesis. Bioinformatics analysis showed targeted regulation of FoxO3a by miR-155. This study aims to investigate whether miR-155 plays a role in mediating FoxO3a/BIM signal pathway and HCC occurrence...
March 2018: European Review for Medical and Pharmacological Sciences
X-H Zhang, H-Y Zhang, S Lu, L-L Jiang, J Wu, Y-L Yang, S-A Zhang
OBJECTIVE: Gestational hypertension is a pregnancy complication that serious damages the maternal and child health. Early onset severe preeclampsia accounts for about 0.9% of the gestational hypertension disease. Conservative treatment is proposed in recent years to early onset severe preeclampsia through delay delivery. Therefore, it is particularly important to explore the pathogenesis of severe preeclampsia. Soluble endoglin (sEng) has been identified as a central factor to induce endothelium dysfunction of preeclampsia, while its specific mechanism is unclear...
March 2018: European Review for Medical and Pharmacological Sciences
Yipeng Wang, Liping Guo, Lin Feng, Wen Zhang, Ting Xiao, Xuebing Di, Guoji Chen, Kaitai Zhang
Circulating tumour cell (CTC) behaviours are distinct from those of bulk tissues. Thus, treatments to eliminate CTCs differ from the regimens followed to reduce the primary tumour and its metastases. Accordingly, comprehensively deciphering the single nucleotide variant (SNV) profiles in CTCs, which partially determine CTC behaviours, is a priority. Using viable CTCs isolated with the oHSV1‑hTERT‑GFP virus coupled with fluorescence‑activated cell sorting (FACS), the whole genome was amplified using the multiple annealing and looping‑based amplification cycle (MALBAC) method...
May 2018: Oncology Reports
Yanwei Xing, Zhiwei Zhao, Yuekun Zhu, Liangliang Zhao, Anlong Zhu, Daxun Piao
The objective of this study was to identify potentially significant genes and long non-coding RNAs (lncRNAs) in colon cancer for a panel of lncRNA signatures that could be used as prognostic markers for colon adenocarcinoma (COAD) based on the data from The Cancer Genome Atlas (TCGA). RNA-seq V2 exon data of COAD were downloaded from the TCGA data portal for 285 tumor samples and 41 normal tissue samples adjacent to tumors. Differentially expressed mRNAs and lncRNAs were identified. A functional enrichment analysis of differentially expressed mRNAs was performed, followed by protein-protein interaction (PPI) network construction and significant module selection...
May 2018: Oncology Reports
Liankang Sun, Ke Chen, Zhengdong Jiang, Xin Chen, Jiguang Ma, Qingyong Ma, Wanxing Duan
Increasing evidence indicates that pancreatic stellate cells (PSCs) are responsible for the stromal reaction in pancreatic ductal adenocarcinoma (PDAC). The interaction between activated PSCs and PDAC cells and the resultant stromal reaction facilitate cancer progression. Previous findings suggested that cyclooxygenase‑2 (COX‑2) may have a profound role in regulating the proliferation and activation of PSCs in response to pancreatic cancer. Indometacin, a well‑known anti‑inflammatory drug and a non‑selective inhibitor of COX‑2, has been shown to exert anticancer effects in various types of cancer, including PDAC...
May 2018: Oncology Reports
Ran An, Li Cheng, Lijian Chen, Jian Du
Ring finger protein 2 (RNF2), also known as RING2 or RING1B, displays oncogenic functions in different types of cancers, yet, the function of RNF2 during mitosis has not been evaluated. A yeast two‑hybrid screen was undertaken using a human HeLa cDNA library to explore and identify proteins that interact with RNF2. Several positive clones, including Polo‑like kinase 1 (Plk1), a critical regulator of mitosis, were identified. The interaction between RNF2 and Plk1 was confirmed using a β‑galactosidase and growth test in selective media, in vitro glutathione S‑transferase pull‑down, and in vivo immunoprecipitation assays...
May 2018: Oncology Reports
Taraknath Mandal, Ronald G Larson
Using fully atomistic and coarse-grained (CG) molecular dynamics (MD) simulations, we report, for the first time, the self-assembly of initially randomly dispersed dodecyl-β-d-maltoside (DDM) surfactants into a striped cylindrical micelle (SCM) with lamellae of surfactant heads and tails alternating along the cylindrical axis, with both heads and tails in contact with the water. By changing the interaction strength of the head group with water relative to itself, we find that such micelles are most likely for head groups with marginal solubility in the water solvent...
March 22, 2018: Soft Matter
Jianchang Xu, Shuangqing Sun, Zhikun Wang, Shiyuan Peng, Songqing Hu, Lijuan Zhang
Dissipative particle dynamics (DPD) simulation is used to study the effect of pH on the morphological transition in micelles assembled from dirhamnolipids (diRLs), and analyze the pH-driven mechanism and influence factors of micellar surface patterns. At pH < 4.0, various multilayer structures with homogeneous surface patterns are observed, whereas diRLs can self-assemble into novel anisotropic morphologies with phase-separated surface patterns at pH > 7.4, such as patchy spherical micelles, rod-like micelles with helical surface patterns and a lamellar phase with anisotropic surface patterns...
March 22, 2018: Physical Chemistry Chemical Physics: PCCP
Habib Ali Molla, Rahul Bhowmick, Abu Saleh Musha Islam, Bibhutibhushan Show, Nillohit Mukherjee, Anup Mondal, Mahammad Ali
A novel highly sensitive and selective fluorescent chemosensor L has been synthesized and characterized by various physicochemical techniques. In 3 : 7 water : MeCN (v/v) at pH 7.2 (10 mM HEPES buffer, μ = 0.05 M LiCl), it selectively recognizes Fe3+ through 1 : 1 complexation resulting in a 106-fold fluorescence enhancement and a binding constant of 8.10 × 104 M-1. The otherwise non-fluorescent spirolactam form of the probe results a dual-channel (absorbance and fluorescence) recognition of Fe3+ via CHEF (chelation enhanced fluorescence) through the opening of the spirolactam ring...
March 22, 2018: Photochemical & Photobiological Sciences
Shobini Jayaraman, Donald L Gantz, Christian Haupt, Marcus Fändrich, Olga Gursky
Serum amyloid A action in immune response and deposition in inflammation-linked amyloidosis involve SAA-lipid interactions. We show that SAA sequesters neutral and anionic phospholipids and their hydrolytic products to form nanoparticles, suggesting a synergy with phospholipase A2. The lipid charge and shape affect SAA protection from proteolysis, aggregation and fibrillogenesis.
March 22, 2018: Chemical Communications: Chem Comm
Mohsen Moazzami-Gudarzi, Pavel Adam, Alexander M Smith, Gregor Trefalt, István Szilágyi, Plinio Maroni, Michal Borkovec
Direct force measurements involving amidine latex (AL) and sulfate latex (SL) particles in aqueous solutions containing multivalent ferrocyanide anions are presented. These measurements feature three different pairs of particles, namely SL-SL, AL-SL, and AL-AL. The force profiles are quantitatively interpreted in terms of the theory by Derjaguin, Landau, Verwey, and Overbeek (DLVO) that is combined with a short-ranged exponential attraction. In monovalent salt solutions, the AL particles are positively charged, while the SL particles are negatively charged...
March 22, 2018: Physical Chemistry Chemical Physics: PCCP
Aristeidis Papagiannopoulos, Maria Karayianni, Stergios Pispas, Aurel Radulescu
The complexation of lysozyme with aggregates from two triblock amphiphilic polyelectrolytes of the same blocks but different topologies and block molar masses, namely PS-b-SCPI-b-PEO and SCPI-b-PS-b-PEO, is investigated by scattering and spectroscopy methods. Light scattering reveals that the interaction with lysozyme causes shrinkage of the self-assembled nanoparticles in the case of the hydrophobic-polyelectrolyte-hydrophilic sequence. In the polyelectrolyte-hydrophobic-hydrophilic sequence, the opposite trend is observed...
March 22, 2018: Soft Matter
Alain Wuethrich, Abu Ali Ibn Sina, Mostak Ahmed, Ting-Yun Lin, Laura G Carrascosa, Matt Trau
Interfacial biosensing performs the detection of biomolecules at the bare-metal interface for disease diagnosis by comparing how biological species derived from patients and healthy individuals interact with bare metal surfaces. This technique retrieves clinicopathological information without complex surface functionalisation which is a major limitation of conventional techniques. However, it is still challenging to detect subtle molecular changes by interfacial biosensing, and the detection often requires prolonged sensing times due to the slow diffusion process of the biomolecules towards the sensor surface...
March 22, 2018: Nanoscale
Y Erin Chen, Michael A Fischbach, Yasmine Belkaid
This corrects the article DOI: 10.1038/nature25177.
March 21, 2018: Nature
Lingyu Chen, Youxing Su, Wenbin Luo, Xuemin Hong, Jianghong Shi
The deployment density and computational power of small base stations (BSs) are expected to increase significantly in the next generation mobile communication networks. These BSs form the mobile edge network, which is a pervasive and distributed infrastructure that can empower a variety of edge/fog computing applications. This paper proposes a novel edge-computing application called explicit caching, which stores selective contents at BSs and exposes such contents to local users for interactive browsing and download...
March 22, 2018: Sensors
Seokho Kim, Do Hyoung Kim, Jinho Choi, Hojin Lee, Sun-Young Kim, Jung Woon Park, Dong Hyuk Park
We report the growth and nanoscale luminescence characteristics of 8-hydroxyquinolinato aluminum (Alq₃) with a crystalline hexagonal column morphology. Pristine Alq₃ nanoparticles (NPs) were prepared using a conventional reprecipitation method. Crystal hexagonal columns of Alq₃ were grown by using a surfactant-assisted self-assembly technique as an adjunct to the aforementioned reprecipitation method. The formation and structural properties of the crystalline and non-crystalline Alq₃ NPs were analyzed with scanning electron microscopy and X-ray diffraction...
March 22, 2018: Materials
Mahesh Rangu, Zhujia Ye, Sarabjit Bhatti, Suping Zhou, Yong Yang, Tara Fish, Theodore W Thannhauser
In this paper, we report on aluminum (Al)-induced root proteomic changes in switchgrass. After growth in a hydroponic culture system supplemented with 400 μM of Al, plants began to show signs of physiological stress such as a reduction in photosynthetic rate. At this time, the basal 2-cm long root tips were harvested and divided into two segments, each of 1-cm in length, for protein extraction. Al-induced changes in proteomes were identified using tandem mass tags mass spectrometry (TMT-MS)-based quantitative proteomics analysis...
March 22, 2018: Proteomes
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