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https://www.readbyqxmd.com/read/28523741/comparative-membrane-proteomics-analyses-of-breast-cancer-cell-lines-to-understand-the-molecular-mechanism-of-breast-cancer-brain-metastasis
#1
Wenjing Peng, Yu Zhang, Rui Zhu, Yehia Mechref
Breast cancer is the leading type of cancer in women. Breast cancer brain metastasis is currently considered an issue of concern among breast cancer patients. Membrane proteins play important roles in breast cancer brain metastasis, involving cell adhesion and penetration of blood-brain barrier. To understand the mechanism of breast cancer brain metastasis, liquid chromatography-tandem mass spectrometry (LC-MS/MS) was employed in conjunction with enrichment of membrane proteins to analyze the proteomes from 5 different breast cancer and a brain cancer cell lines...
May 19, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28523289/core-canonical-pathways-involved-in-developing-human-glioblastoma-multiforme-gbm
#2
Somiranjan Ghosh, Sisir Dutta, Gabriel Thorne, Ava Boston, Alexis Barfield, Narendra Banerjee, Rayshawn Walker, Hirendra Nath Banerjee
Glioblastoma multiforme (GBM) is the most common and aggressive type of the primary brain tumors with pathologic hallmarks of necrosis and vascular proliferation. The diagnosis of GBM is currently mostly based on histological examination of brain tumor tissues, after radiological characterization and surgical biopsy. The ability to characterize tumors comprehensively at the molecular level raises the possibility that diagnosis can be made based on molecular profiling with or without histological examination, rather than solely on histological phenotype...
February 2017: Int J Sci Res Sci Eng Technol
https://www.readbyqxmd.com/read/28522876/comparative-proteomic-analysis-of-the-mitochondria-associated-er-membrane-mam-in-a-long-term-type-2-diabetic-rodent-model
#3
Jacey Hongjie Ma, Shichen Shen, Joshua J Wang, Zhanwen He, Amanda Poon, Jun Li, Jun Qu, Sarah X Zhang
The mitochondria-associated ER membrane (MAM) plays a critical role in cellular energetics and calcium homeostasis; however, how MAM is affected under diabetic condition remains elusive. This study presented a comprehensive proteome profiling of isolated brain MAM from long-term type 2 diabetic mice vs. non-diabetic controls. MAM protein was extracted efficiently by a surfactant-aided precipitation/on-pellet digestion (SOD) method, and MAM proteome was quantified by an ion-current-based MS1 method combined with nanoLC-MS/MS...
May 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28516898/structural-and-magnetic-properties-of-spin-1-2-dimer-compound-cu2-ipa-2-dmf-h2o-with-a-large-spin-gap
#4
S Thamban, U Arjun, M Padmanabhan, R Nath
We present the synthesis and a detailed investigation of structural and magnetic properties of metal-organic compound Cu2(IPA)2(DMF)(H2O) by means of x-ray diffraction, magnetization, and heat capacity measurements. Single crystals of the title compound were synthesized by judicious selection of organic ligand and employing a selective hydrothermal reaction route. It crystallizes in an orthorhombic structure with space group Cmca. The structural analysis revealed that two Cu(2+) ions are held together by the organic component (-O-C-O-) in a square paddle-wheel to form spin dimers which are aligned perpendicular to each other and are further coupled through organic ligands (isophthalic acid) forming two-dimensional layers...
May 18, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28516851/intimate-partner-abuse-and-attachment-a-comparison-between-abused-and-nonabused-women
#5
M Meghan Davidson, Michael S Butchko, Janice E Castro, Krista Robbins
The purpose of this study was to examine intimate partner abuse (IPA), parental attachment, and romantic attachment among college women. More specifically, IPA was examined such that women who had experienced abuse and those who had not were compared with respect to parental and romantic attachment using the lens of attachment theory. Undergraduate women (N = 502) completed an online survey assessing their experiences of IPA as well as their parental and romantic attachment styles. Bivariate correlations demonstrated that IPA was significantly associated with all study variables (i...
May 17, 2017: Violence and Victims
https://www.readbyqxmd.com/read/28515692/wu-tou-decoction-in-rheumatoid-arthritis-integrating-network-pharmacology-and-in-vivo-pharmacological-evaluation
#6
Qingqing Guo, Kang Zheng, Danping Fan, Yukun Zhao, Li Li, Yanqin Bian, Xuemei Qiu, Xue Liu, Ge Zhang, Chaoying Ma, Xiaojuan He, Aiping Lu
Purpose: This study aimed to explore underlying action mechanism of Wu-Tou decoction (WTD) in rheumatoid arthritis (RA) through network pharmacology prediction and experimental verification. Methods: Chemical compounds and human target proteins of WTD as well as RA-related human genes were obtained from TCM Database @ Taiwan, PubChem and GenBank, respectively. Subsequently, molecular networks and canonical pathways presumably involved in the treatment of WTD on RA were generated by ingenuity pathway analysis (IPA) software...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28515432/high-salt-intake-negatively-regulates-fat-deposition-in-mouse
#7
Huanxian Cui, Shuyan Yang, Maiqing Zheng, Ranran Liu, Guiping Zhao, Jie Wen
High-salt (HS) intake contributes to hypertension and cardiopathy, but the effect of HS on fat deposition is controversial. Feed intake, fat mass, the percentage of abdominal fat, heat production, rate of oxygen consumption and the respiratory exchange ratio of mice on a HS diet were significantly decreased (P < 0.01 or 0.05) compared with mice on a normal-salt (NS) diet. An in vitro experiment with differentiating pre-adipocytes showed reduced fat deposition in the presence of high concentrations of NaCl (>0...
May 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28514947/enhanced-chlorhexidine-skin-penetration-with-1-8-cineole
#8
A L Casey, T J Karpanen, B R Conway, T Worthington, P Nightingale, R Waters, T S J Elliott
BACKGROUND: Chlorhexidine (CHG) penetrates poorly into skin. The purpose of this study was to compare the depth of CHG skin permeation from solutions containing either 2% (w/v) CHG and 70% (v/v) isopropyl alcohol (IPA) or 2% (w/v) CHG, 70% (v/v) IPA and 2% (v/v) 1,8-cineole. METHODS: An ex-vivo study using Franz diffusion cells was carried out. Full thickness human skin was mounted onto the cells and a CHG solution, with or without 2% (v/v) 1,8-cineole was applied to the skin surface...
May 17, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28514017/isopimaric-acid-a-multi-targeting-ion-channel-modulator-reducing-excitability-and-arrhythmicity-in-a-spontaneously-beating-mouse-atrial-cell-line
#9
Sajjad Salari, Malin Silverå Ejneby, Johan Brask, Fredrik Elinder
AIM: Atrial fibrillation is the most common persistent cardiac arrhythmia, and it is not well controlled by present drugs. Because some resin acids open voltage-gated potassium channels and reduce neuronal excitability, we explored the effects of the resin acid isopimaric acid (IPA) on action potentials and ion currents in cardiomyocytes. METHODS: Spontaneously beating mouse atrial HL-1 cells were investigated with the whole-cell patch-clamp technique. RESULTS: 1-25 μmol L(-1) IPA reduced the action potential frequency by up to 50%...
May 17, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/28512598/phytochemical-screening-and-study-of-antioxidant-antimicrobial-antidiabetic-anti-inflammatory-and-analgesic-activities-of-extracts-from-stem-wood-of-pterocarpus-marsupium-roxburgh
#10
Dipak Raj Pant, Narayan Dutt Pant, Dil Bahadur Saru, Uday Narayan Yadav, Dharma Prasad Khanal
AIMS: The main aims of the study were to evaluate the phytochemical constituents and to study the antioxidant, antimicrobial, antidiabetic, anti-inflammatory, and analgesic activities of extracts from stem wood of Pterocarpus marsupium. MATERIALS AND METHODS: Ethanol, acetone and isopropyl alcohol (IPA) (1:1) extracts of stem wood of P. marsupium were subjected to phytochemical screening and analysis of biological activities from August 2015 to January 2016. The antioxidant assay was carried out using 2, 2-diphenyl-1-picrylhydrazyl scavenging method, antimicrobial activity testing by cup diffusion method, antidiabetic test evaluation by oral glucose tolerance test in mice, anti-inflammatory effect was evaluated by hind paw edema method in mice and analgesic test evaluation by a chemical writhing method in mice...
April 2017: Journal of Intercultural Ethnopharmacology
https://www.readbyqxmd.com/read/28508428/characterization-and-quantitation-of-pvp-content-in-a-silicone-hydrogel-contact-lens-produced-by-dual-phase-polymerization-processing
#11
Andrew J Hoteling, William F Nichols, Patricia S Harmon, Shawn M Conlon, Ivan M Nuñez, Joseph Hoff, Orlando M Cabarcos, Robert B Steffen, Daniel J Hook
Polyvinylpyrrolidone (PVP) has been incorporated over the years into numerous hydrogel contact lenses as both a primary matrix component and an internal wetting agent to increase lens wettability. In this study, complementary analytical techniques were used to characterize the PVP wetting agent component of senofilcon A and samfilcon A contact lenses, both in terms of chemical composition and amount present. Photo-differential scanning calorimetry (photo-DSC), gas chromatography with a flame ionization detector (GC-FID), and high-resolution/accurate mass (HR/AM) liquid chromatography-mass spectrometry (LC-MS) techniques confirmed dual phase reaction and curing of the samfilcon A silicone hydrogel material...
May 15, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28508151/tunable-and-nontoxic-fluorescent-probes-based-on-carbon-dots-for-imaging-of-indole-propionic-acid-receptor-in-plant-tissues-in-situ
#12
Bixia Lin, Ying Yu, Fangfei Liu, Yujuan Cao, Manli Guo
Indole propionic acid (IPA) is one of the important plant growth hormones for promoting rooting and fruiting. Labeling IPA receptor in plant tissues is able to further track the signal transduction processes of IPA and uncover the function mechanism of IPA on crop productions. In this paper, a tunable and nontoxic fluorescent probe for IPA receptors was designed and synthetized base on carbon dots (C dots). Firstly carboxyl-modified carbon dots were prepared by high temperature cracking of citric acid. The fluorescence emission wavelengths of C dots varied with the excitation wavelengths change...
May 15, 2017: Journal of Fluorescence
https://www.readbyqxmd.com/read/28503055/protein-markers-associated-with-an-aldh-sub-population-in-colorectal-cancer
#13
Rui Yang, Xinhua Liu, Smathorn Thakolwiboon, Jianhui Zhu, Xiucong Pei, Mingrui An, Zhijing Tan, David M Lubman
ALDH has been shown to be a marker that denotes a sub-population of cancer stem cells in colorectal and other cancers. This sub-population of cells shows an increased risk for tumor initiation, metastasis, and resistance to chemotherapy and radiation resulting in recurrence and death. It is thus essential to identify the important signaling pathways related to ALDH1+ CSCs in colon cancer. The essential issue becomes to isolate pure sub-populations of cells from heterogeneous tissues for further analysis. To achieve this goal, tissues from colorectal cancer Stage III patients were immuno-stained with ALDH1 antibody...
October 2016: Journal of Proteomics & Bioinformatics
https://www.readbyqxmd.com/read/28499042/proteomic-analysis-reveals-changes-in-carbohydrate-and-protein-metabolism-associated-with-broiler-breast-myopathy
#14
Vivek A Kuttappan, Walter Bottje, Ranjith Ramnathan, Steven D Hartson, Craig N Coon, Byung-Whi Kong, Casey M Owens, Mercedes Vazquez-Añon, Billy M Hargis
White Striping (WS) and Woody Breast (WB) are 2 conditions that adversely affect consumer acceptance as well as quality of poultry meat and meat products. Both WS and WB are characterized with degenerative myopathic changes. Previous studies showed that WS and WB in broiler fillets could result in higher ultimate pH, increased drip loss, and decreased marinade uptake. The main objective of the present study was to compare the proteomic profiles of muscle tissue (n = 5 per group) with either NORM (no or few minor myopathic lesions) or SEV (with severe myopathic changes)...
May 12, 2017: Poultry Science
https://www.readbyqxmd.com/read/28498421/molecular-analysis-of-the-mouse-brain-exposed-to-chronic-mild-stress-the-influence-of-hepatocyte-nuclear-factor-4%C3%AE-on-physiological-homeostasis
#15
Kaoru Ikubo, Kyosuke Yamanishi, Nobutaka Doe, Takuya Hashimoto, Miho Sumida, Yuko Watanabe, Yosif El-Darawish, Wen Li, Haruki Okamura, Hiromichi Yamanishi, Hisato Matsunaga
Major depressive disorder (MDD) is a prevalent disorder that causes considerable disability in social functioning and is a risk factor for physical diseases. Recent clinical reports have demonstrated a marked association between MDD and physiological dyshomeostasis induced by metabolic disorders, including diabetes, hormone abnormalities and autoimmune diseases. The authors of the present study have previously analyzed comparative gene expression profiles in the prefrontal cortex (PFC) of a chronic mild stress (CMS) animal model of MDD...
May 11, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28498392/the-flightless-i-protein-interacts-with-rna-binding-proteins-and-is-involved-in-the-genome-wide-mrna-post-transcriptional-regulation-in-lung-carcinoma-cells
#16
Cuihua Wang, Kezhi Chen, Shengyou Liao, Wei Gu, Xinlei Lian, Jing Zhang, Xuejuan Gao, Xiaohui Liu, Tong Wang, Qing-Yu He, Gong Zhang, Langxia Liu
The flightless I protein (FLII) belongs to the gelsolin family. Its function has been associated with actin remodeling, embryonic development, wound repair, and more recently with cancer. The structure of FLII is characterized by the N-terminal leucine-rich repeats (LRR) and C-terminal gesolin related repeated units that are both protein-protein inter-action domains, suggesting that FLII may exert its function by interaction with other proteins. Therefore, systematic study of protein interactions of FLII in cells is important for the understanding of FLII functions...
May 11, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28497887/surviving-moment-to-moment-the-experience-of-living-in-a-state-of-ambivalence-for-those-with-recurrent-suicide-attempts
#17
Yvonne Bergmans, Evelyn Gordon, Rahel Eynan
OBJECTIVE: This qualitative study aimed to capture the experience of living in the ambivalent space between life and death for adults with recurrent suicide attempts (RSA). It sought to expand upon an earlier study that explored the processes involved in transitioning away from RSA among adults, which revealed that occupying this ambivalent space is a crucial part of this process. DESIGN: Interpretive phenomenological analysis (IPA) was used. This methodology was designed to explore the lived experiences and meaning making and enabled interpretation of the multidimensional subjective experiences of RSA participants...
May 12, 2017: Psychology and Psychotherapy
https://www.readbyqxmd.com/read/28497106/stress-and-intimate-partner-aggression
#18
Christopher I Eckhardt, Dominic J Parrott
Evidence suggests that stressed couples also tend to be aggressive couples. Chronic external stresses interact with individuals' dispositional and regulatory deficiencies, resulting in a spillover of these stresses into the relationship. High individual stress in combination with problematic interaction styles and problem-solving abilities increases the likelihood of IPA. We applied the I(3) Model to better organize the instigating, impelling, and inhibiting factors and processes that moderate the stress-IPA association...
February 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/28494225/what-about-me-the-loss-of-self-through-the-experience-of-traumatic-childbirth
#19
Veronica Byrne, Jonathan Egan, Pádraig Mac Neela, Kiran Sarma
BACKGROUND AND OBJECTIVE: birth trauma has become an increasingly recognised maternal mental health issue and has important implications for both mother and infant. The importance of subjective birth experience in the development of birth trauma has been identified and may mediate the lack of theoretical consistency in this area. The current study aims to explore the subjective experience of birth trauma among first time mothers in Ireland. It aims to separate the potential effects of peripartum depression (PPD) from this in limiting this qualitative investigation to women who reported birth trauma, without PPD...
May 1, 2017: Midwifery
https://www.readbyqxmd.com/read/28492695/joint-assessment-in-von-willebrand-disease-validation-of-the-haemophilia-joint-health-score-and-haemophilia-activities-list
#20
Karin P M van Galen, Merel A Timmer, Piet de Kleijn, Kathelijn Fischer, Wouter Foppen, Roger E G Schutgens, Jeroen Eikenboom, Karina Meijer, Marjon H Cnossen, Karin Fijnvandraat, Johanna G van der Bom, Britta A P Laros-van Gorkom, Frank W G Leebeek, Eveline P Mauser-Bunschoten
Assessment of clinical outcome after joint bleeding is essential to identify joint damage and optimise treatment, to prevent disability. However, disease-specific tools to assess the musculoskeletal status in patients with von Willebrand disease (VWD) are lacking. We aimed to determine validity and reliability of the Haemophilia Joint Health Score (HJHS) and Haemophilia Activities List (HAL) in patients with Von Willebrand disease (VWD). Ninety-six patients with VWD were included (mean age 46 years) of whom 27 had more than five documented joint bleeds...
May 11, 2017: Thrombosis and Haemostasis
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