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https://www.readbyqxmd.com/read/28655204/trak2-a-novel-regulator-of-abca1-expression-cholesterol-efflux-and-hdl-biogenesis
#1
Nicole J Lake, Rachael L Taylor, Hugh Trahair, K N Harikrishnan, Joanne E Curran, Marcio Almeida, Hemant Kulkarni, Nigora Mukhamedova, Anh Hoang, Hann Low, Andrew J Murphy, Matthew P Johnson, Thomas D Dyer, Michael C Mahaney, Harald H H Göring, Eric K Moses, Dmitri Sviridov, John Blangero, Jeremy B M Jowett, Kiymet Bozaoglu
Aims: The recent failures of HDL-raising therapies have underscored our incomplete understanding of HDL biology. Therefore there is an urgent need to comprehensively investigate HDL metabolism to enable the development of effective HDL-centric therapies. To identify novel regulators of HDL metabolism, we performed a joint analysis of human genetic, transcriptomic, and plasma HDL-cholesterol (HDL-C) concentration data and identified a novel association between trafficking protein, kinesin binding 2 (TRAK2) and HDL-C concentration...
June 26, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28655168/bmp4-uses-several-different-effector-pathways-to-regulate-proliferation-and-differentiation-in-the-epithelial-and-mesenchymal-tissue-compartments-of-the-developing-mouse-ureter
#2
Tamrat M Mamo, Anna B Wittern, Marc-Jens Kleppa, Tobias Bohnenpoll, Anna-Carina Weiss, Andreas Kispert
Heterozygous loss of Bmp4 results both in humans and mice in severe malformation of the urinary tract. These defects have at least partially been attributed to loss of expression of Bmp4 in the ureteric mesenchyme, yet the cellular and molecular function of this signal as well as its effector pathways in this tissue have remained incompletely resolved. Here, we show that mice with a conditional deletion of Bmp4 in the ureteric mesenchyme exhibited hydroureter and hydronephrosis at newborn stages due to functional and physical ureter obstruction...
June 26, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28655095/-efficacy-and-prognostic-analysis-of-98-cases-of-relapsed-refractory-diffuse-large-b-cell-lymphoma-treated-with-second-line-regimens
#3
M C Zhang, Y Qian, J Hao, Z Y Liu, W L Zhao, L Wang
Objective: To evaluate the efficacy and prognostic factors of second-line regimens for patients with relapsed/refractory diffuse large B-cell lymphoma (DLBCL). Methods: A retrospective analysis was performed in 98 patients with relapsed/refractory DLBCL who were treated with salvage regimens in Rui Jin Hospital from July 2004 to June 2016. Overall response rate (ORR) was evaluated after all treatment finished. Overall survival (OS) was analyzed by Kaplan-Meier method and multivariate by Cox proportional hazards models...
June 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28655094/-a-retrospective-analysis-of-clinical-characteristics-and-prognostic-factors-for-124-cases-of-primary-gastric-lymphomas
#4
Y He, L Wang, H Y Zhu, J H Liang, W Wu, J Z Wu, Y Xia, L Cao, L Fan, J Y Li, W Xu
Objective: To analyze the clinical characteristics, treatment and prognosis of primary gastric lymphomas (PGL). Methods: A retrospective study was conducted in 124 cases of PGL from July 2009 to January 2016 in our hospital, and the clinical records, pathological and immunohistochemical features were analyzed. The relationship between different factors at diagnosis and prognosis were studied. Results: 124 cases of PGL included 93 diffuse large B cell lymphoma (DLBCL) patients, 25 mucosa associated lymphoid tissue (MALT) lymphoma cases, 1 mantle cell lymphoma, 4 peripheral T-cell lymphoma-not otherwise specified, and 1 extra-nodal NK/T-cell lymphoma-nasal type...
June 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28654908/apio-ee-9-is-a-novel-aurora-a-and-b-antagonist-that-suppresses-esophageal-cancer-growth-in-a-pdx-mouse-model
#5
Guoguo Jin, Ke Yao, Zhiping Guo, Zhenjiang Zhao, Kangdong Liu, Fangfang Liu, Hanyong Chen, Dhilli Rao Gorja, Kanamata Reddy, Ann M Bode, Ziming Dong, Zigang Dong
Esophageal cancer (EC) is one of the most aggressive malignancies of the upper aerodigestive tract. Over the past three decades, with advances in surgical techniques and treatment, the prognosis of esophageal cancer has only slowly improved. Thus identifying novel molecular targets and developing therapeutic agents are critical. Aurora kinases play a crucial role in mitosis and selective inhibitors might provide an effective therapeutic treatment for cancer. However, the role of Aurora kinases in EC is still inadequately studied...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28654868/simultaneous-assessment-of-absorption-characteristics-of-coumarins-from-angelicae-pubescentis-radix-in-vitro-transport-across-caco-2-cell-and-in-vivo-pharmacokinetics-in-rats-after-oral-administration
#6
Yan-Fang Yang, Lei Zhang, You-Bo Zhang, Xiu-Wei Yang
Angelicae Pubescentis Radix (APR), a well-known traditional Chinese medicine, is widely used for the treatments of rheumatism and headache for centuries. To assess the absorption characteristics of coumarins from APR, a sensitive and reliable UPLC-MS/MS method was established for the simultaneous determination of sixteen coumarins from APR, including psoralen, xanthotoxin, bergapten, bergaptol, isoimperatorin, imperatorin, columbianetin, columbianetin acetate, columbianadin, oxypeucedanin hydrate, angelol B, umbelliferone, scopoletin, osthole, meranzin hydrate and nodakenetin...
June 13, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28654864/wolf-hirschhorn-syndrome-candidate-1-whsc1-functions-as-a-tumor-suppressor-by-governing-cell-differentiation
#7
Chuan Yu, Xiaomin Yao, Linjie Zhao, Ping Wang, Qian Zhang, Chengjian Zhao, Shaohua Yao, Yuquan Wei
Wolf-Hirschhorn syndrome candidate 1 (WHSC1) is a histone 3 lysine 36 (H3K36) specific methyltransferase that is frequently deleted in Wolf-Hirschhorn syndrome (WHS). Whsc1 is also found mutated in a subgroup of B-cell derived malignant diseases by genomic translocation or point mutation, both of which resulted in hyperactivity of WHSC1 mediated H3K36 methylation and uncontrolled cell proliferation, suggesting that whsc1 functions as an oncogene. However, here we provided evidences to show that whsc1 also has tumor suppressor functions...
June 24, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28654841/exposure-to-particulate-matter-2-5-pm2-5-induced-macrophage-dependent-inflammation-characterized-by-increased-th1-th17-cytokine-secretion-and-cytotoxicity
#8
Qin-Yun Ma, Da-Yu Huang, Hui-Jun Zhang, Shaohua Wang, Xiao-Feng Chen
Particulate matter PM2.5 is a class of airborne particles and droplets with sustained high levels in many developing countries. Epidemiological studies have shown the association between sustained high level of PM2.5 and the risk of many diseases in the respiratory system, including lung cancer. However, the precise mechanisms through which PM2.5 induces respiratory diseases are still unclear. In this study, we demonstrated that CD4(+) and CD8(+) T cells following PM2.5 treatment demonstrated significantly elevated mRNA and protein levels of interferon (IFN)-γ, interleukin (IL)-10, IL-17, and IL-21 production...
June 24, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28654818/high-throughput-screening-of-myxoid-liposarcoma-cell-lines-survivin-is-essential-for-tumor-growth
#9
Marieke A de Graaff, Shruti Malu, Irma Guardiola, Alwine B Kruisselbrink, Yvonne de Jong, Willem E Corver, H Gelderblom, Patrick Hwu, Torsten O Nielsen, Alexander J Lazar, Neeta Somaiah, Judith V M G Bovée
Myxoid liposarcoma (MLS) is a soft tissue sarcoma characterized by a recurrent t(12;16) translocation. Although tumors are initially radio- and chemosensitive, the management of inoperable or metastatic MLS can be challenging. Therefore, our aim was to identify novel targets for systemic therapy. We performed an in vitro high-throughput drug screen using three MLS cell lines (402091, 1765092, DL-221), which were treated with 273 different drugs at four different concentrations. Cell lines and tissue microarrays were used for validation...
June 24, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28654766/methotrexate-related-lymphoproliferative-disorder-in-patients-with-osteonecrosis-of-the-jaw-a-3-case-report-and-literature-review
#10
Ken Furudate, Anna Satake, Norihiko Narita, Wataru Kobayashi
Patients with immunodeficiency or immunosuppression are at risk of developing a lymphoproliferative disorder (LPD). Methotrexate (MTX) is an iatrogenic cause of LPD, which in up to 50% cases occurs in extranodal sites. The occurrence of MTX-related LPD with osteonecrosis of the jaw (ONJ) has rarely been reported. Moreover, there are no clear diagnostic criteria and treatment strategies for management of these lesions. In the present cases, discontinuing MTX and debridement of the necrotic bone were effective...
June 1, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28654764/deep-proteome-profiling-reveals-common-prevalence-of-mzb1-positive-plasma-b-cells-in-human-lung-and-skin-fibrosis
#11
Herbert B Schiller, Christoph H Mayr, Gabriela Leuschner, Maximilian Strunz, Claudia Staab-Weijnitz, Stefan Preisendörfer, Beate Eckes, Pia Moinzadeh, Thomas Krieg, David A Schwartz, Rudolf A Hatz, Jürgen Behr, Matthias Mann, Oliver Eickelberg
RATIONALE: Analyzing the molecular heterogeneity of different forms of organ fibrosis may reveal common and specific factors and thus identify potential future therapeutic targets. OBJECTIVES: We sought to use proteome-wide profiling of human tissue fibrosis to (1) identify common and specific signatures across endstage interstitial lung disease (ILD) cases, (2) characterize ILD subgroups in an unbiased fashion, and (3) identify common and specific features of lung and skin fibrosis...
June 27, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28654762/jatropha-6-17-11e-diene-class-derivatives-induce-apoptosis-effects-in-ovcar-3-and-caov-4-ovarian-cancer-cell-lines-via-mitochondrial-pathway
#12
Behzad Bahmani, Mohammad Keyvanloo Shahrestanaki, Mustafa Ghanadian, Sima Hajiahmadi, Mahmoud Aghaei
We investigated the molecular mechanism of apoptosis induced by novel jatropha-6(17),11E-diene class derivatives, compounds A, B, and C extracted from Euphorbia osyridea in Caov-4 and OVCAR-3 ovarian cancer cell lines. OVCAR-3 and Caov-4 cell lines were treated with different concentrations of these compounds. Cytotoxicity was evaluated by MTT, clonogenic survival assay and Flow cytometry assays. ROS production, mitochondrial membrane potential (ΔΨm), Caspase 3 and 9 activities were evaluated. Compound A, B, and C reduced cell viability in a dose-dependent manner (P<0...
June 27, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/28654684/intravenous-immunoglobulin-therapy-in-kidney-transplant-recipients-with-de-novo-dsa-results-of-an-observational-study
#13
Marie Matignon, Caroline Pilon, Morgane Commereuc, Cynthia Grondin, Claire Leibler, Tomek Kofman, Vincent Audard, José Cohen, Florence Canoui-Poitrine, Philippe Grimbert
BACKGROUND: Approximately 25% of kidney transplant recipients develop de novo anti-HLA donor-specific antibodies (dnDSA) leading to acute antibody-mediated rejection (ABMR) in 30% of patients. Preemptive therapeutic strategies are not available. METHODS: We conducted a prospective observational study including 11 kidney transplant recipients. Inclusion criteria were dnDSA occurring within the first year after transplant and normal allograft biopsy. All patients were treated with high-dose IVIG (2 g/kg 0, 1 and 2 months post-dnDSA)...
2017: PloS One
https://www.readbyqxmd.com/read/28654678/genetic-factors-affecting-ebv-copy-number-in-lymphoblastoid-cell-lines-derived-from-the-1000-genome-project-samples
#14
Rajendra Mandage, Marco Telford, Juan Antonio Rodríguez, Xavier Farré, Hafid Layouni, Urko M Marigorta, Caitlin Cundiff, Jose Maria Heredia-Genestar, Arcadi Navarro, Gabriel Santpere
Epstein-Barr virus (EBV), human herpes virus 4, has been classically associated with infectious mononucleosis, multiple sclerosis and several types of cancers. Many of these diseases show marked geographical differences in prevalence, which points to underlying genetic and/or environmental factors. Those factors may include a different susceptibility to EBV infection and viral copy number among human populations. Since EBV is commonly used to transform B-cells into lymphoblastoid cell lines (LCLs) we hypothesize that differences in EBV copy number among individual LCLs may reflect differential susceptibility to EBV infection...
2017: PloS One
https://www.readbyqxmd.com/read/28654594/comparison-of-steroid-and-botulinum-toxin-type-a-monotherapy-with-combination-therapy-for-treating-human-hypertrophic-scars-in-an-animal-model
#15
Hung-Chang Chen, Cheng-I Yen, Shih-Yi Yang, Cheng-Jen Chang, Jui-Yung Yang, Shu-Yin Chang, Shiow-Shuh Chuang, Yen-Chang Hsiao
BACKGROUND: The authors evaluated the efficacy of a combined regimen of botulinum toxin type A (Botox) and a steroid (triamcinolone acetonide) for treating hypertrophic scars in comparison with the treatment with each drug alone. METHODS: Twenty excised human hypertrophic scar fragments obtained from surgically treated burn patients were divided into four groups: negative control (group A), triamcinolone alone (group B), Botox alone (group C), and a combination of triamcinolone and Botox (group D)...
July 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28654584/a-novel-noncontact-diffuse-correlation-spectroscopy-device-for-assessing-blood-flow-in-mastectomy-skin-flaps-a-prospective-study-in-patients-undergoing-prosthesis-based-reconstruction
#16
Nneamaka B Agochukwu, Chong Huang, Mingjun Zhao, Ahmed A Bahrani, Li Chen, Patrick McGrath, Guoqiang Yu, Lesley Wong
A new advanced technology, noncontact diffuse correlation spectroscopy, has been recently developed for the measurement of tissue blood flow through analyzing the motions of red blood cells in deep tissues. This technology is portable, inexpensive, and noninvasive, and can measure up to 1.5-cm tissue depth. In this prospective study, the authors aimed to explore the use of this novel device in the prediction of mastectomy skin flap necrosis. The noncontact diffuse correlation spectroscopy device was used to measure mastectomy skin flap flow in patients undergoing mastectomy and immediate implant-based breast reconstruction before and immediately after mastectomy, and after placement of the prosthesis...
July 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28654435/myasthenia-gravis-new-developments-in-research-and-treatment
#17
Amelia Evoli
PURPOSE OF REVIEW: Myasthenia gravis, a rare disorder of the neuromuscular transmission, is increasingly acknowledged as a syndrome more than as a single disease. This review summarizes recent advances in pathophysiology which confirm the disease heterogeneity, and may help find disease-targeted and patient-targeted therapies. RECENT FINDINGS: Antibodies to the acetylcholine receptor, the muscle-specific tyrosine kinase and the lipoprotein receptor protein 4, characterize disease subtypes with distinct clinical traits and immune-pathogenic mechanisms...
June 24, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28654419/affimers-proteins-are-versatile-and-renewable-affinity-reagents
#18
Christian Tiede, Robert Bedford, Sophie J Heseltine, Gina Smith, Imeshi Wijetunga, Rebecca Ross, Danah AlQallaf, Ashley Pe Roberts, Alexander Balls, Alistair Curd, Ruth E Hughes, Heather Martin, Sarah R Needham, Laura C Zanetti-Domingues, Yashar Sadigh, Thomas P Peacock, Anna A Tang, Naomi Gibson, Hannah Kyle, Geoffrey W Platt, Nicola Ingram, Thomas Taylor, Louise P Coletta, Iain Manfield, Margaret Knowles, Sandra Bell, Filomena Esteves, Azhar Maqbool, Raj K Prasad, Mark Drinkhill, Robin S Bon, Vikesh Patel, Sarah A Goodchild, Marisa Martin-Fernandez, Ray J Owens, Joanne E Nettleship, Michael E Webb, Michael Harrison, Jonathan D Lippiat, Sreenivasan Ponnambalam, Michelle Peckham, Alastair Smith, Paul Ko Ferrigno, Matt Johnson, Michael J McPherson, Darren Charles Tomlinson
Molecular recognition reagents are key tools for understanding biological processes and are used universally by scientists to study protein expression, localisation and interactions. Antibodies remain the most widely used of such reagents and many show excellent performance, although some are poorly characterised or have stability or batch variability issues, supporting the use of alternative binding proteins as complementary reagents for many applications. Here we report on the use of Affimer proteins as research reagents...
June 27, 2017: ELife
https://www.readbyqxmd.com/read/28654295/liposomes-in-polymersomes-lips-multi-compartment-system-with-temperature-triggered-release
#19
Ariane Peyret, Emmanuel Ibarboure, Natassa Pippa, Sebastien Lecommandoux
Multi-compartmentalization is a key feature of eukaryotic cells, allowing separation and protection of species within the membrane walls. During the last years, several methods have been reported to afford synthetic multi-compartment lipidic or polymeric vesicles that mimic biological cells and that allow cascade chemical or enzymatic reactions within their lumen. We hereby report on the preparation and study of liposomes in polymersomes (LiPs) systems. We discuss on the loading and co-loading of lipidic nano-vesicles made of 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine (POPC), 1,2-dimyristoyl-sn-glycero-3-phosphocholine (DMPC), 1,2-dipentadecanoyl-sn-glycero-3-phosphocholine (diC15-PC), or 1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC) inside the lumen of giant poly(butadiene)-b-poly(ethylene oxide) (PBut-b-PEO) polymersomes...
June 27, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28654219/a-comparative-study-of-hepatitis-b-virus-x-protein-mutants-k130m-v131i-and-kv130-131mi-to-investigate-their-roles-in-fibrosis-cirrhosis-and-hepatocellular-carcinoma
#20
Zaheenul Islam Siddiqui, Sabihur Rahman Farooqui, Syed Ali Azam, Masarrat Afroz, Saima Wajid, Shama Parveen, Syed Naqui Kazim
Hepatitis B virus (HBV) genomic mutations A1762T, G1764A and AG1762/1764TA cause production of HBV X protein (HBx) mutants, namely K130M, V131I and KV130/131MI. These mutations are important biomarkers for the development of cirrhosis and hepatocellular carcinoma (HCC) in chronic HBV patients. The present study comparatively analyzes the impact of intracellular expression of HBx mutants on HCC cell line Huh7. It was found that expression of KV130/131MI induced: cell proliferation; altered expression of cell cycle regulatory genes in favor of cell proliferation; intracellular reactive oxygen species (ROS) production and mitochondrial depolarization...
June 27, 2017: Journal of Viral Hepatitis
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