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https://www.readbyqxmd.com/read/28648939/prognostic-impact-of-egfr-and-cytokeratin-5-6-immunohistochemical-expression-in-triple-negative-breast-cancer
#1
Aziza E Abdelrahman, Hayam E Rashed, Mohamed Abdelgawad, Mohamed I Abdelhamid
Triple-negative breast cancer (TNBC) has an aggressive behavior and limited therapeutic options due to lack of targeted therapy. We aimed in this study to assess the immunohistochemical expression of EGFR and cytokeratin 5/6 and their ability to predict survival and response to neoadjuvant chemotherapy (NAC) among triple-negative breast cancer patients. Thirty-five cases with TNBC were studied by immunohistochemistry for EGFR and CK5/6 expression. Data on overall survival (OS), disease-free survival (DFS) and response to NAC were collected...
June 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28648081/in-silico-and-in-vitro-screening-for-p-glycoprotein-interaction-with-tenofovir-darunavir-and-dapivirine-an-anti-retroviral-drug-combination-for-topical-prevention-of-colorectal-hiv-transmission
#2
Magda Swedrowska, Shirin Jamshidi, Abhinav Kumar, Charles Kelly, K Miraz Rahman, Ben Forbes
The aim of the study was to use in-silico and in vitro techniques to evaluate whether a triple formulation of antiretroviral drugs (tenofovir, darunavir and dapivirine) interacted with p-glycoprotein (P-gp) or exhibited any other permeability-altering drug-drug interactions in the colorectal mucosa. Potential drug interactions with P-gp were screened initially using molecular docking, followed by molecular dynamics simulations to analyse the identified drug-transporter interaction more mechanistically. The transport of tenofovir, darunavir and dapivirine was investigated in the Caco-2 cells models and colorectal tissue and their apparent permeability coefficient (Papp), efflux ratio (ER) and the effect of transporter inhibitors were evaluated...
June 25, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28642239/a-novel-single-domain-antibody-against-von-willebrand-factor-a1-domain-resolves-leukocyte-recruitment-and-vascular-leakage-during-inflammation
#3
Gabriel Aymé, Frédéric Adam, Paulette Legendre, Amine Bazaa, Valérie Proulle, Cécile V Denis, Olivier D Christophe, Peter J Lenting
OBJECTIVE: von Willebrand factor (VWF) is crucial to hemostasis, but also plays a role in inflammatory processes. Unfortunately, no proper monoclonal antibodies to study VWF function in mice are currently available. We therefore aimed to generate single-domain antibodies (sdAbs) recognizing murine VWF and blocking its function in vivo. APPROACH AND RESULTS: Llama-derived sdAbs recognizing both human and murine VWF were isolated via phage display technology. One of them (designated KB-VWF-006) recognized the VWF A1 domain with picomolar affinity...
June 22, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28642087/contemporary-prevalence-in-hospital-outcomes-and-prognostic-determinants-of-triple-valve-surgery
#4
Lucas B Ohmes, Luke Kim, Dmitriy N Feldman, Christopher Lau, Monica Munjal, Antonino Di Franco, Fawad Hameedi, Ivancarmine Gambardella, Leonard N Girardi, Mario Gaudino
BACKGROUND: Triple valve surgery (TVS) remains a challenging procedure with limited existing literature. We aim to evaluate the prevalence, in-hospital outcomes, and prognostic determinants of TVS in the current era. MATERIALS AND METHODS: We reviewed the Nationwide Inpatient Sample database from 2003 to 2012 and included all patients who underwent aortic valve replacement (AVR) combined with mitral valve replacement (MVR) or repair (MVRep) and tricuspid valve replacement (TVR) or repair (TVRep)...
June 19, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28641122/working-with-parents-to-treat-anxiety-disordered-children-a-proof-of-concept-rct-evaluating-fear-less-triple-p
#5
Vanessa E Cobham, Ania Filus, Matthew R Sanders
Little is known about the efficacy of parent-only interventions and the maintenance of gains over time with anxiety-disordered children and adolescents. The current study aimed to evaluate the efficacy of a 6-session parent-focused intervention (Fear-less Triple P) in reducing children's anxiety symptomatology. The parents of 61 anxiety-disordered children (7-14 years) were randomly assigned to either the 6-session parent-only group CBT intervention or a wait-list control (WL) group. Diagnostic and questionnaire measures were administered at post-treatment; as well as 3-, 6- and 12 months following the completion of treatment...
June 15, 2017: Behaviour Research and Therapy
https://www.readbyqxmd.com/read/28640585/thermally-and-electrically-triggered-triple-shape-memory-behavior-of-poly-vinyl-acetate-poly-lactic-acid-due-to-graphene-induced-phase-separation
#6
Mohammad Sabzi, Masoud Babaahmadi, Mohammadreza Rahnama
This work aimed to develop a facile and broadly applicable method for fabricating a multi-stimuli responsive triple-shape memory polymer (SMP). Hence, herein the SMPs were prepared through the simple physical blending of two commercially available biopolymers, poly(lactic acid) (PLA) and poly(vinyl acetate) (PVAc), in the presence of robust and conductive graphene nanoplatelets. Interestingly, atomic force microscopy (AFM) observations and thermal analyses revealed that the presence of nanofillers led to phase separation and appearance of two well-separated transition temperatures in the blend of these two miscible polymers...
June 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28640095/aldehyde-dehydrogenase-1-expression-is-correlated-with-poor-prognosis-in-breast-cancer
#7
Juan Yao, Qin Jin, Xu-Dong Wang, Hui-Jun Zhu, Qi-Chao Ni
Breast cancer (BC) is one of the most common cancers worldwide, and is a major cause of death in women. Aldehyde dehydrogenase 1 (ALDH1) is a marker of stem cells and cancer stem cells, and its activity correlates with the outcome of various tumors, including BC. This study aimed to analyze the relationship between ALDH1 expression and clinicopathological characters in BC and the prognostic significance of ALDH1.We used quantitative reverse-transcription PCR (qRT-PCR) to detect ALDHA1 mRNA levels in 25 fresh frozen BC samples and matched noncancerous samples...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28639794/community-health-workers-in-diabetes-care-a-systematic-review-of-randomized-controlled-trials
#8
Lisa J Trump, Tai J Mendenhall
INTRODUCTION: Maintaining optimal self-care in managing Type 2 diabetes is a common struggle for patients due to several barriers, including access to quality services, financial insecurity and/or lack of insurance, and emotional distress. Consequently, morbidity and mortality rates are high, alongside rising health care costs. Alternative approaches that address common barriers require further investigation. This systematic review of randomized controlled trials examines the effectiveness of using community health workers (CHWs) in Type 2 diabetes care...
June 22, 2017: Families, Systems & Health: the Journal of Collaborative Family Healthcare
https://www.readbyqxmd.com/read/28638107/tracking-protein-function-with-sodium-multi-quantum%C3%A2-spectroscopy-in-a-3d-tissue-culture-based-on-microcavity-arrays
#9
Andreas Neubauer, Cordula Nies, Victor D Schepkin, Ruomin Hu, Matthias Malzacher, Jorge Chacón-Caldera, David Thiele, Eric Gottwald, Lothar R Schad
The aim of this study was to observe the effects of strophanthin induced inhibition of the Na-/K-ATPase in liver cells using a magnetic resonance (MR) compatible bioreactor. A microcavity array with a high density three-dimensional cell culture served as a functional magnetic resonance imaging (MRI) phantom for sodium multi quantum (MQ) spectroscopy. Direct contrast enhanced (DCE) MRI revealed the homogenous distribution of biochemical substances inside the bioreactor. NMR experiments using advanced bioreactors have advantages with respect to having full control over a variety of physiological parameters such as temperature, gas composition and fluid flow...
June 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28637432/current-guidelines-for-brca-testing-of-breast-cancer-patients-are-insufficient-to-detect-all-mutation-carriers
#10
Eli Marie Grindedal, Cecilie Heramb, Inga Karsrud, Sarah Louise Ariansen, Lovise Mæhle, Dag Erik Undlien, Jan Norum, Ellen Schlichting
BACKGROUND: Identification of BRCA mutations in breast cancer (BC) patients influences treatment and survival and may be of importance for their relatives. Testing is often restricted to women fulfilling high-risk criteria. However, there is limited knowledge of the sensitivity of such a strategy, and of the clinical aspects of BC caused by BRCA mutations in less selected BC cohorts. The aim of this report was to address these issues by evaluating the results of BRCA testing of BC patients in South-Eastern Norway...
June 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28632508/combined-dextroamphetamine-and-transcranial-direct-current-stimulation-in-poststroke-aphasia
#11
Zafer Keser, Michelle Weber Dehgan, Shaparak Shadravan, Nuray Yozbatiran, Lynn M Maher, Gerard E Francisco
There is a growing need for various effective adjunctive treatment options for speech recovery after stroke. A pharmacological agent combined with noninvasive brain stimulation has not been previously reported for poststroke aphasia recovery. In this "proof of concept" study, we aimed to test the safety of a combined intervention consisting of dextroamphetamine, transcranial direct current stimulation, and speech and language therapy in subjects with nonfluent aphasia. Ten subjects with chronic nonfluent aphasia underwent two experiments where they received dextroamphetamine or placebo along with transcranial direct current stimulation and speech and language therapy on two separate days...
June 20, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28625739/changes-in-the-fine-root-proteome-of-fagus-sylvatica-l-trees-associated-with-p-deficiency-and-amelioration-of-p-deficiency
#12
Christoph-Martin Geilfus, Sebastien Christian Carpentier, Aljoša Zavišić, Andrea Polle
Phosphorus is often the least available macronutrient in soil. Lack in phosphorus has detrimental effect on growth and biomass production of European Fagus sylvatica L., a major trees species in temperate forests. In contrast to leaf tissues, few studies have examined changes in the root system and no study has ever investigated the proteomic changes affected in beech roots by a lack in available phosphate (P). Here, we studied roots of young Fagus sylvatica L. trees in their native soils from two forests sites with contrasting availability of P: one P rich and P poor soil...
June 15, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28624108/modification-of-immunosuppressive-therapy-as-risk-factor-for-complications-after-liver-transplantation
#13
REVIEW
Paolo De Simone, Paola Carrai, Laura Coletti, Davide Ghinolfi, Stefania Petruccelli, Franco Filipponi
Management of complications post-liver transplantation (LT) includes immunosuppressive manipulations with the aim to reduce the overall burden of immunologic suppression and compensate for renal, cardiovascular, metabolic toxicities, and for the increased oncologic risk. Two approaches can be implemented to reduce immunosuppression-related adverse events: upfront schedules tailored to the pretransplant individual patient's risk profile versus downstream modifications in the event of immunosuppression-related complications...
April 2017: Best Practice & Research. Clinical Gastroenterology
https://www.readbyqxmd.com/read/28621737/comprehensive-identification-of-guan-xin-shu-tong-capsule-via-a-mass-defect-and-fragment-filtering-approach-by-high-resolution-mass-spectrometry-in-vitro-and-in-vivo-study
#14
Xun Gao, Jingqing Mu, Qing Li, Shaoyi Guan, Ran Liu, Yiyang Du, Huifen Zhang, Kaishun Bi
The Guan-Xin-Shu-Tong capsule (GXSTC) is a well-known traditional Chinese medicine that is used for the treatment of coronary heart disease. Despite its common use in China, basic pharmacological research on its active components is limited. A comprehensive analytical method using quadrupole-time-of-flight mass spectrometry (Q-TOF/MS), specifically with the Triple TOF 5600 platform, was developed to characterize the compounds in the GXSTC powder itself (in vitro) as well as the active components in healthy and heart disease model rats after its oral administration (in vivo)...
June 16, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28621347/nonlinear-optical-properties-upconversion-and-lasing-in-metal-organic-frameworks
#15
REVIEW
Raghavender Medishetty, Jan K Zaręba, David Mayer, Marek Samoć, Roland A Fischer
The building block modular approach that lies behind coordination polymers (CPs) and metal-organic frameworks (MOFs) results not only in a plethora of materials that can be obtained but also in a vast array of material properties that could be aimed at. Optical properties appear to be particularly predetermined by the character of individual structural units and by the intricate interplay between them. Indeed, the "design principles" shaping the optical properties of these materials seem to be well explored for luminescence and second-harmonic generation (SHG) phenomena; these have been covered in numerous previous reviews...
June 16, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/28621239/a-microrna-signature-associated-with-pathological-complete-response-to-novel-neoadjuvant-therapy-regimen-in-triple-negative-breast-cancer
#16
Raúl García-Vazquez, Erika Ruiz-García, Abelardo Meneses García, Horacio Astudillo-de la Vega, Fernando Lara-Medina, Alberto Alvarado-Miranda, Héctor Maldonado-Martínez, Juan A González-Barrios, Alma D Campos-Parra, Sergio Rodríguez Cuevas, Laurence A Marchat, César López-Camarillo
Neoadjuvant chemotherapy aims to improve the outcome of breast cancer patients, but only few would benefit from this treatment. Pathological complete response has been proposed as a surrogate marker for the prediction of long-term clinical benefits; however, 50%-85% patients have an unfavorable pathological complete response to chemotherapy. MicroRNAs are known biomarkers of breast cancer progression; nevertheless, their potential to identify patients with pathological complete response remains poorly understood...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28619303/effect-of-light-pressure-stroking-massage-with-sesame-sesamum-indicum-l-oil-on-alleviating-acute-traumatic-limbs-pain-a-triple-blind-controlled-trial-in-emergency-department
#17
RANDOMIZED CONTROLLED TRIAL
Morteza Nasiri, Zahra Farsi
OBJECTIVES: Due to adverse effects of common medications used for traumatic pain management, it is crucial to use complementary methods to alleviate this pain. Present study aimed to assess the effect of light pressure stroking massage with topical sesame oil on pain severity of patients with limbs trauma. METHODS: This triple-blinded randomized trial was conducted on 40 patients with upper or lower extremities trauma in emergency department of Busheher Amir Al-Momenian Hospital, Busheher, Iran, in 2015-2016...
June 2017: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/28618395/erg-overexpression-plus-slc45a3-prostein-and-pten-expression-loss-strong-association-of-the-triple-hit-phenotype-with-an-aggressive-pathway-of-prostate-cancer-progression
#18
Silvia Hernández-Llodrà, Nuria Juanpere, Silvia de Muga, Marta Lorenzo, Joan Gil, Alba Font-Tello, Laia Agell, Raquel Albero-González, Laura Segalés, José Merino, Laia Serrano, Lluís Fumadó, Lluís Cecchini, Josep Lloreta Trull
TMPRSS2 and SLC45A3 rearrangements may coexist in the same tumor. ERG rearrangements and PTEN loss are concomitant events in prostate cancer (PrCa), and can cooperate in progression. We have reported that mRNA expression of TMPRSS2-ERG and SLC45A3-ERG rearrangements plus PTEN loss define an aggressive tumor subset. The aim of this study has been to validate these results by immunohistochemistry in a large cohort of tumors. ERG, SLC45A3 and PTEN immunostaining and their association with pathological features and PSA progression-free survival were analyzed in 220 PrCa (PSMAR-Biobank, Barcelona, Spain)...
May 26, 2017: Oncotarget
https://www.readbyqxmd.com/read/28617013/the-role-of-policy-in-supporting-clinician-led-research-on-behavioral-health-integration
#19
Nathaniel Z Counts
In Best Care at Lower Cost, the Institute of Medicine laid out a vision for continuously learning health systems (Institute of Medicine of the National Academies, 2016). This issue of Families, Systems, & Health represents a substantial step toward this vision, with on-the-ground clinicians and administrators testing empirically informed hypotheses about practice transformation and population health management, and using those results to produce shared learning within and across systems. While the studies in this issue demonstrate that producing generalizable knowledge from clinician-led initiatives is feasible, they also demonstrate that the current system does not adequately support clinicians in doing so...
June 2017: Families, Systems & Health: the Journal of Collaborative Family Healthcare
https://www.readbyqxmd.com/read/28612911/short-term-efficacy-and-safety-of-three-different-antiplatelet-regimens-in-diabetic-patients-treated-with-primary-percutaneous-coronary-intervention-a-randomized-study
#20
Yang Liu, Hengliang Liu, Yibin Hao, Zhenxuan Hao, Guoying Geng, Wenjie Han, Qi Chen, Danli Wang, Lingzhi Liu, Kailong Jia, Yuxin Zhou
BACKGROUND: This study aimed to investigate the efficacy and safety of dual and triple antiplatelet therapy (DAPT and TAPT) in patients with diabetes and acute ST segment elevation myocardial infarction (D-STEMI), who had undergone primary percutaneous coronary intervention (PCI). METHODS: We designed a phase IV, single-center, randomized, double-blind, placebo-controlled study. The D-STEMI patients (N=258) were randomly divided into three groups. Control group A (85 patients), was treated with aspirin and clopidogrel; group B (87 patients) received aspirin, clopidogrel, and tirofiban; and group C (86 patients) was treated with aspirin, ticagrelor, and tirofiban...
June 14, 2017: Kardiologia Polska
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