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https://www.readbyqxmd.com/read/29346642/rnase7-but-not-psoriasin-nor-spla2-iia-associates-to-mycobacterium-tuberculosis-during-airway-epithelial-cells-infection
#1
Flor Torres-Juarez, Lousseine Touqui, Juan Leon-Contreras, Cesar Rivas-Santiago, Jose A Enciso-Moreno, Rogelio Hernández-Pando, Bruno Rivas-Santiago
Tuberculosis (TB) is a disease caused by Mycobacterium tuberculosis (Mtb). Innate immunity is the first line of defense against Mtb and malfunctions in any of its components is associated with the susceptibility to the disease. Epithelial products, such as host defence peptides (HDP) are the first molecules produced to counteract the infection. Although a wide variety of HDP are produced by epithelial cells only few of them have been studied during Mtb infection. Here, we assessed the expression and production of the HDPs: psoriasin, sPLA2-IIA and RNase 7 in airway epithelial cells (NCI-H292), type II pneumocytes (A549 cells) and monocytes-derived macrophages from human peripheral blood mononuclear cells (bMDM) and from the human cell line THP1(MDM) after Mtb in vitro infection...
January 16, 2018: Pathogens and Disease
https://www.readbyqxmd.com/read/29346567/epithelial-grafting-of-a-decellularized-whole-tracheal-segment-an-in-vivo-experimental-model
#2
Margot Den Hondt, Bart M Vanaudenaerde, Eric K Verbeken, Jan J Vranckx
OBJECTIVES: Prerequisites for successful trachea transplantation include the use of a biocompatible construct, submucosal vascularization and an epithelial covering. Implantation of non-epithelialized tracheal scaffolds may lead to stenosis. However, epithelial grafting or seeding can only be attempted onto a well-vascularized submucosal bed. Our aim was to investigate a method to prevent stenosis during prelamination of non-epithelialized, gently decellularized rabbit tracheae and to evaluate whether grafting of revascularized constructs with buccal mucosa is feasible...
January 15, 2018: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29346270/resistance-to-hiv-integrase-inhibitors-about-r263k-and-e157q-mutations
#3
REVIEW
Charlotte Charpentier, Diane Descamps
The use of integrase inhibitors (INI) is increasing in antiretroviral therapies (ART) and INI are not all equal regarding genetic barrier to resistance. The aim of this manuscript was to review main in vivo and in vitro knowledge about two particular integrase resistance-associated mutations: R263K and E157Q. The R263K mutation was the first mutation rarely found selected at time of virological failure in patients failing a first-line dolutegravir-based treatment. Further in vitro studies on R263K mutants showed a moderate increase in phenotypic resistance level and a drastic reduction in viral replicative capacity...
January 18, 2018: Viruses
https://www.readbyqxmd.com/read/29346148/vertical-profunda-artery-perforator-flap-for-plantar-foot-wound-closure-a-new-application
#4
Allyson R Alfonso, James L Mayo, Vishal K Sharma, Robert J Allen, Ernest S Chiu
BACKGROUND: Plantar foot reconstruction requires special consideration of both form and function. There are several fasciocutaneous flap options, each with indications and reservations. CASE STUDY: This case presents a new application of the vertical profunda artery perforator flap for definitive closure of a neuropathic foot ulcer in a young woman with spina bifida. The postoperative course was uneventful, and the flap survived completely. The surgical and donor sites were without wound recurrence at 5-month follow-up...
February 2018: Advances in Skin & Wound Care
https://www.readbyqxmd.com/read/29345994/work-as-an-inclusive-part-of-population-health-inequities-research-and-prevention
#5
Emily Quinn Ahonen, Kaori Fujishiro, Thomas Cunningham, Michael Flynn
Despite its inclusion in models of social and ecological determinants of health, work has not been explored in most health inequity research in the United States. Leaving work out of public health inequities research creates a blind spot in our understanding of how inequities are created and impedes our progress toward health equity. We first describe why work is vital to our understanding of observed societal-level health inequities. Next, we outline challenges to incorporating work in the study of health inequities, including (1) the complexity of work as a concept; (2) work's overlap with socioeconomic position, race, ethnicity, and gender; (3) the development of a parallel line of inquiry into occupational health inequities; and (4) the dearth of precise data with which to explore the relationships between work and health status...
January 18, 2018: American Journal of Public Health
https://www.readbyqxmd.com/read/29345736/palbociclib-in-combination-with-letrozole-as-first-line-treatment-for-advanced-breast-cancer-a-japanese-phase-ii-study
#6
Norikazu Masuda, Reiki Nishimura, Masato Takahashi, Kenichi Inoue, Shinji Ohno, Hiroji Iwata, Yuko Mori, Satoshi Hashigaki, Yasuaki Muramatsu, Takashi Nagasawa, Yoshiko Umeyama, Masakazu Toi
This single-arm, open-label, phase II study in 42 Japanese postmenopausal patients with estrogen receptor-positive/human epidermal growth factor receptor 2-negative (ER+/HER2-) advanced breast cancer evaluated the efficacy, safety, and pharmacokinetics of first-line palbociclib (125 mg once daily, 3 weeks on/1 week off) coadministered with letrozole (2.5 mg once daily). The primary endpoint of investigator-assessed 1-year progression-free survival probability was 75.0% (90% CI, 61.3%-84.4%), far surpassing the 40% lower limit of the 90% CI supporting efficacy...
January 18, 2018: Cancer Science
https://www.readbyqxmd.com/read/29345505/the-pharmacological-management-of-metabolic-syndrome
#7
Julie Rask Larsen, Lorena Dima, Christoph U Correll, Peter Manu
Introduction The metabolic syndrome includes a constellation of several well-established risk factors, which need to be aggressively treated in order to prevent overt type 2 diabetes and cardiovascular disease. While recent guidelines for the treatment of individual components of the metabolic syndrome focus on cardiovascular benefits as resulted from clinical trials, specific recent recommendations on the pharmacological management of metabolic syndrome are lacking. The objective of present paper was to review the therapeutic options for metabolic syndrome and its components, the available evidence related to their cardiovascular benefits, and to evaluate the extent to which they should influence the guidelines for clinical practice...
January 18, 2018: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/29345474/total-synthesis-of-antiproliferative-parvifloron-f
#8
Yohei Saito, Masuo Goto, Kyoko Nakagawa-Goto
The first total synthesis of parvifloron F, a bioactive highly oxidized abietane diterpene, was achieved. The abietane skeleton was constructed by Lewis acid promoted cyclization. Preliminary structure-activity relationship correlations were established for the synthetic intermediates against human tumor cell lines. Certain compounds showed unique selective antiproliferative activity against triple-negative breast cancer. The oxidation level of the abietane ring affected the selectivity.
January 18, 2018: Organic Letters
https://www.readbyqxmd.com/read/29345469/a-large-family-of-centrosymmetric-and-chiral-f-element-bearing-iodate-selenates-exhibiting-coordination-number-and-dimensional-reductions
#9
Meiying Qie, Jian Lin, Fang Kong, Mark A Silver, Zenghui Yue, Xiaomei Wang, Linjuan Zhang, Hongliang Bao, Thomas E Albrecht-Schmitt, Jian-Qiang Wang
The exploration of phase formation in the f-element-bearing iodate selenate system has resulted in 14 novel rare-earth-containing iodate selenates, Ln(IO3)(SeO4) (Ln = La, Ce, Pr, Nd; LnISeO-1), Ln(IO3)(SeO4)(H2O) (Ln = Sm, Eu; LnISeO-2), and Ln(IO3)(SeO4)(H2O)2·H2O (Ln = Gd, Dy, Ho, Er, Tm, Yb, Lu, Y; LnISeO-3), as well as two new thorium iodate selenates, Th(OH)(IO3)(SeO4)(H2O) (ThISeO-1) and Th(IO3)2(SeO4) (ThISeO-2). LnISeO-3 and ThISeO-2 crystallize in the chiral space group P212121, while LnISeO-1, LnISeO-2, and ThISeO-1 crystallize in the centrosymmetric space group P21/c...
January 18, 2018: Inorganic Chemistry
https://www.readbyqxmd.com/read/29345347/interferons-and-beyond-induction-of-antiretroviral-restriction-factors
#10
REVIEW
Dominik Hotter, Frank Kirchhoff
Antiviral restriction factors are structurally and functionally diverse cellular proteins that play a key role in the first line of defense against viral pathogens. Although many cell types constitutively express restriction factors at low levels, their induction in response to viral exposure and replication is often required for potent control and repulse of the invading pathogens. It is well established that type I IFNs efficiently induce antiviral restriction factors. Accumulating evidence suggests that other types of IFN, as well as specific cytokines, such as IL-27, and other activators of the cell are also capable of enhancing the expression of restriction factors and hence to establish an antiviral cellular state...
December 15, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29345271/flocculation-on-a-chip-a-novel-screening-approach-to-determine-floc-growth-rates-and-select-flocculating-agents
#11
Anand N P Radhakrishnan, Marco P C Marques, Matthew J Davies, Brian O'Sullivan, Daniel G Bracewell, Nicolas Szita
Flocculation is a key purification step in cell-based processes for the food and pharmaceutical industry where the removal of cells and cellular debris is aided by adding flocculating agents. However, finding the best suited flocculating agent and optimal conditions to achieve rapid and effective flocculation is a non-trivial task. In conventional analytical systems, turbulent mixing creates a dynamic equilibrium between floc growth and breakage, constraining the determination of floc formation rates. Furthermore, these systems typically rely on end-point measurements only...
January 18, 2018: Lab on a Chip
https://www.readbyqxmd.com/read/29345221/therapeutic-response-to-dihydroartemisinin-piperaquine-for-p-falciparum-and-p-vivax-nine-years-after-its-introduction-in-southern-papua-indonesia
#12
Jeanne Rini Poespoprodjo, Enny Kenangalem, Johny Wafom, Freis Chandrawati, Agatha M Puspitasari, Benedikt Ley, Leily Trianti, Zoé Korten, Asik Surya, Din Syafruddin, Nicholas M Anstey, Jutta Marfurt, Rintis Noviyanti, Ric N Price
Dihydroartemisinin-piperaquine (DHP) has been the first-line treatment of uncomplicated malaria due to both Plasmodium falciparum and Plasmodium vivax infections in Papua, Indonesia, since March 2006. The efficacy of DHP was reassessed to determine whether there had been any decline following almost a decade of its extensive use. An open-label drug efficacy study of DHP for uncomplicated P. falciparum and P. vivax malaria was carried out between March 2015 and April 2016 in Timika, Papua, Indonesia. Patients with uncomplicated malaria were administered supervised DHP tablets once daily for 3 days...
January 15, 2018: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29345149/medical-management-of-brain-metastases-and-leptomeningeal-disease-in-patients-with-breast-carcinoma
#13
Kelsey M Bowman, Priya Kumthekar
Breast cancer is the most common malignancy among women and accounts for the second highest number of cancer-related deaths. With patients surviving longer due to advances in systemic control, the incidence of CNS involvement is increasing; however, the management of CNS metastases has not undergone parallel advancements. The blood-brain barrier limits the efficacy of most systemic chemotherapies, and the utilization of surgery and radiation beyond first-line therapy is limited. We will explore the recent developments in the medical management of breast cancer brain metastasis...
January 18, 2018: Future Oncology
https://www.readbyqxmd.com/read/29344979/in-vivo-estimation-of-transverse-relaxation-time-constant-t2-of-17-human-brain-metabolites-at-3t
#14
Patrik O Wyss, Claudio Bianchini, Milan Scheidegger, Ioannis A Giapitzakis, Andreas Hock, Alexander Fuchs, Anke Henning
PURPOSE: The transverse relaxation times T2 of 17 metabolites in vivo at 3T is reported and region specific differences are addressed. METHODS: An echo-time series protocol was applied to one, two, or three volumes of interest with different fraction of white and gray matter including a total number of 106 healthy volunteers and acquiring a total number of 128 spectra. The data were fitted with the 2D fitting tool ProFit2, which included individual line shape modeling for all metabolites and allowed the T2 calculation of 28 moieties of 17 metabolites...
January 17, 2018: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/29344905/management-of-nfas-medical-treatment
#15
REVIEW
Naomi Even-Zohar, Yona Greenman
INTRODUCTION: Non-functioning pituitary adenomas (NFPAs) are in general large tumors that present with symptoms secondary to local pressure on adjacent structures. Transsphenoidal surgery is the first line of treatment but residual tumor mass is often detected post-operatively. Medical therapy, in any stage of tumor management, is not well established. METHODS: A literature search was performed to review the available data on medical treatment of NFPAs. RESULTS: Medications investigated for the treatment of NFPAs include dopamine receptor agonists (DA) and somatostatin receptor ligands...
January 17, 2018: Pituitary
https://www.readbyqxmd.com/read/29344631/a-brief-exposure-based-treatment-vs-cognitive-processing-therapy-for-posttraumatic-stress-disorder-a-randomized-noninferiority-clinical-trial
#16
Denise M Sloan, Brian P Marx, Daniel J Lee, Patricia A Resick
Importance: Written exposure therapy (WET), a 5-session intervention, has been shown to efficaciously treat posttraumatic stress disorder (PTSD). However, this treatment has not yet been directly compared with a first-line PTSD treatment such as cognitive processing therapy (CPT). Objective: To determine if WET is noninferior to CPT in patients with PTSD. Design, Setting, and Participants: In this randomized clinical trial conducted at a Veterans Affairs medical facility between February 28, 2013, and November 6, 2016, 126 veteran and nonveteran adults were randomized to either WET or CPT...
January 17, 2018: JAMA Psychiatry
https://www.readbyqxmd.com/read/29344469/successful-use-of-therapeutic-hypothermia-for-refractory-nonconvulsive-status-epilepticus
#17
Do-Hyung Kim, Hye-Hoon Kang, Minjung Kim, Tae-Won Yang, Oh-Young Kwon, Jung Sook Yeom, Bong Su Kang, Yong Hwan Kim, Young-Soo Kim
Therapeutic hypothermia (TH) has rarely been utilized as an adjunct to anticonvulsants in treating patients with refractory convulsive status epilepticus (CSE). However, determining the effectiveness of TH in CSE is difficult due to the unavoidable use of sedative drugs to manage hypothermia. Additionally, the effectiveness of TH has not been studied in patients with refractory non-convulsive status epilepticus (NCSE). Here, we report the successful use of TH without additional sedative drugs in a patient with temporal lobe epilepsy and refractory NCSE...
December 2017: Journal of Epilepsy Research
https://www.readbyqxmd.com/read/29344248/survival-prediction-in-patients-with-resectable-colorectal-liver-metastases-clinical-risk-scores-and-tumor-response-to-chemotherapy
#18
Da Xu, Xiao-Feng Liu, Xiao-Luan Yan, Kun Wang, Bao-Cai Xing
Clinical risk scores and response to pre-operative chemotherapy are prognostic factors of colorectal liver metastases. The aim of the present study was to evaluate the effectiveness of combining these factors to predict patient survival and to select patients for curative therapy. The study included 189 patients who underwent hepatectomy following neo-adjuvant chemotherapy, for initially resectable colorectal liver metastases, between January 2005 and December 2015. Patients were stratified into four sub-groups: A1-2, low clinical risk scores with/without a response to pre-operative chemotherapy; and B1-2, high clinical risk scores with or without a response to pre-operative chemotherapy...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29344218/atra-increases-iodine-uptake-and-inhibits-the-proliferation-and-invasiveness-of-human-anaplastic-thyroid-carcinoma-sw1736-cells-involvement-of-%C3%AE-catenin-phosphorylation-inhibition
#19
Ling Lan, Spyros Basourakos, Dai Cui, Xuemei Zuo, Wei Deng, Lili Huo, Hailing Chen, Guoying Zhang, Lili Deng, Bingyin Shi, Yong Luo
All-trans-retinoic acid (ATRA) can enhance iodine uptake capability of thyroid tumors, but the mechanisms remain poorly understood. The aim of the present study was to investigate the effects of ATRA on isotope susceptibility, proliferation and invasion of anaplastic thyroid carcinoma (ATC) and potential mechanisms. SW1736 cells were treated with 1 µmol/l ATRA or 1% ethanol for 5 days. A cell line stably expressing β-catenin-shRNA was established. An iodine uptake assay was performed using 125I. Proliferation and invasiveness were tested using MTT and Transwell assays, respectively...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29344206/impact-of-metastatic-status-on-the-prognosis-of-egfr-mutation-positive-non-small-cell-lung-cancer-patients-treated-with-first-generation-egfr-tyrosine-kinase-inhibitors
#20
Yoshihiko Taniguchi, Akihiro Tamiya, Kenji Nakahama, Yoko Naoki, Masaki Kanazu, Naoki Omachi, Kyoichi Okishio, Takahiko Kasai, Shinji Atagi
The aim of the present study was to analyze the impact of metastatic status on the prognosis of epithelial growth factor receptor (EGFR) mutation-positive patients with non-small cell lung cancer (NSCLC) treated with first-generation EGFR-tyrosine kinase inhibitors (TKIs). A total of 178 EGFR mutation-positive patients with stage IIIB-IV and relapsed NSCLC who were treated with gefitinib or erlotinib as the first-line treatment were enrolled in the present study. Metastatic status, progression-free survival (PFS), overall survival (OS) and treatment-response rates were investigated...
December 2017: Oncology Letters
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