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https://www.readbyqxmd.com/read/28534411/intracellular-and-extracellular-recording-of-spontaneous-action-potentials-in-mammalian-neurons-and-cardiac-cells-with-3d-plasmonic-nano-electrodes
#1
Michele Dipalo, Hayder Amin, Laura Lovato, Fabio Moia, Valeria Caprettini, Gabriele C Messina, Francesco Tantussi, Luca Berdondini, Francesco De Angelis
Three-dimensional vertical micro and nanostructures can enhance the signal quality of multielectrode arrays and promise to become the prime methodology for the investigation of large networks of electrogenic cells. So far, the access to the intracellular environment was obtained by spontaneous poration, electroporation or by surface functionalization of the micro/nanostructures; however these methods still suffer some limitations due to their intrinsic characteristics that limit their widespread use. Here, we demonstrate the ability of continuously recording at each electrode site both extracellular and intracellular-like action potentials of spontaneously active mammalian neurons and HL-1 cardiac-derived cells...
May 23, 2017: Nano Letters
https://www.readbyqxmd.com/read/28534373/late-relapse-of-hodgkin-s-lymphoma-is-it-different-in-clinical-characteristics-and-outcome
#2
Olivera Markovic, Bosko Andjelic, Olivera Tarabar, Milena Todorovic, Branka Filipovic, Dejana Stanisavljevic, Jelena Bila, Darko Antic, Dragomir Marisavljevic, Biljana Mihaljevic
PURPOSE: The purpose of this study was to evaluate the clinical characteristics, prognostic factors, therapy and outcomes of patients with very late relapse (>5 years) of Hodgkin's lymphoma (HL). METHODS: We retrospectively reviewed the database of all relapsed patients with HL treated between 1999 and 2009 and compared the clinical characteristics and survival of patients who relapsed before and after 5 years of follow up. RESULTS: Among the group of 102 patients with relapsed HL 16 (15...
March 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28533192/in-vitro-effects-of-reprogramming-factors-on-the-expressions-of-pluripotent-genes-and-cd34-gene-in-human-acute-promyelocytic-leukemia-hl-60-cells
#3
Liang-Fang Zhu, Min Xiao, Yong-Quan Chen, Ling-Yan Wang, Xiao-Feng Luo, Xiao-Hong Yuan, Jin-Hua Ren, Zhi-Zhe Chen, Jian-Da Hu, Ting Yang
OBJECTIVE: Our study aims to explore the in vitro effects of reprogramming factors on the expressions of pluripotent genes and CD34 gene in HL-60 cells. METHODS: According to the construction of retroviral vector LV-OSCK of reprogramming factors (Oct-4, Sox2, Klf4, c-Myc), 293T cells were transfected to detect virus titer. The endogenous pluripotent genes (Oct4, SOX2, c-Myc and Klf4) and CD34 mRNA and protein expressions were detected by AP staining, immunofluorescence staining, qRT-PCR and flow cytometry...
May 19, 2017: Genomics
https://www.readbyqxmd.com/read/28532526/effect-of-feeding-long-or-short-wheat-hay-v-wheat-silage-in-the-ration-of-lactating-cows-on-intake-milk-production-and-digestibility
#4
Y Shaani, M Nikbachat, E Yosef, Y Ben-Meir, I Mizrahi, J Miron
The objective of this study was to evaluate in lactating cows the effect of either chopping or ensiling of wheat roughage on: intake, digestibility, lactation performance and animal behavior. Three groups of 14 lactating cows each, were fed total mixed rations (TMRs) based on either long wheat hay (HL), short wheat hay (HS) or wheat silage (SI), as the sole roughage source (30% of TMR dry matter (DM)). Parameters examined: sorting behavior, DM intake, milk yield and composition, rumination, recumbence, average daily rumen pH, digesta passage rate, and in-vivo digestibility...
May 23, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28532248/effects-of-drop-sets-with-resistance-training-on-increases-in-muscle-csa-strength-and-endurance-a-pilot-study
#5
Hayao Ozaki, Atsushi Kubota, Toshiharu Natsume, Jeremy P Loenneke, Takashi Abe, Shuichi Machida, Hisashi Naito
To investigate the effects of a single high-load (80% of one repetition maximum [1RM]) set with additional drop sets descending to a low-load (30% 1RM) without recovery intervals on muscle strength, endurance, and size in untrained young men. Nine untrained young men performed dumbbell curls to concentric failure 2-3 days per week for 8 weeks. Each arm was randomly assigned to one of the following three conditions: 3 sets of high-load (HL, 80% 1RM) resistance exercise, 3 sets of low-load [LL, 30% 1RM] resistance exercise, and a single high-load (SDS) set with additional drop sets descending to a low-load...
May 22, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28530203/eit-based-pulsatile-impedance-monitoring-during-spontaneous-breathing-in-cystic-fibrosis
#6
Sabine Krueger-Ziolek, Benjamin Schullcke, Bo Gong, Ullrich Müller-Lisse, Knut Moeller
OBJECTIVE: Evaluating the lung function in patients with obstructive lung disease by electrical impedance tomography (EIT) usually requires breathing maneuvers containing deep inspirations and forced expirations. Since these maneuvers strongly depend on the patient's co-operation and health status, normal tidal breathing was investigated in an attempt to develop continuous maneuver-free measurements. APPROACH: Ventilation related and pulsatile impedance changes were systematically analyzed during normal tidal breathing in 12 cystic fibrosis (CF) patients and 12 lung-healthy controls (HL)...
June 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28529947/immune-checkpoint-blockade-for-hematologic-malignancies-a-review
#7
REVIEW
Matthew J Pianko, Yuzhou Liu, Srishti Bagchi, Alexander M Lesokhin
Immune checkpoint blockade has revolutionized the treatment of cancer, with impressive responses seen in a broad variety of tumor types. Blockade of immune checkpoints and immune signaling antibodies has shown promise in multiple types of hematologic malignancies (HMs), with dramatic single agent responses for pembrolizumab and nivolumab in Hodgkin lymphoma (HL). In this review, we outline the current state of immune checkpoint blockade drug development in HMs, and discuss mechanisms of activity and resistance, and highlight potential targets in the immune tumor microenvironment (TME)...
2017: Stem Cell Investigation
https://www.readbyqxmd.com/read/28529597/dysregulation-of-mir-638-in-hepatocellular-carcinoma-and-its-clinical-significance
#8
Jiwen Cheng, Yanke Chen, Pu Zhao, Na Li, Jianwen Lu, Jianhui Li, Zhengwen Liu, Yi Lv, Chen Huang
MicroRNAs (miRNAs/miRs) have been identified as important post-transcriptional regulators in healthy liver physiology and liver diseases. However, the clinical significance of miR-638 in hepatocellular carcinoma (HCC) remains unclear. The aim of the present study was to investigate the status of miR-638 expression in HCC and to determine its clinical significance. The expression of miR-638 was evaluated in 60 HCC tissues samples and HCC SMMC-7721, HepG2 and Hep3B cell lines using reverse transcription-quantitative polymerase chain reaction...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28528859/efficacy-side-effects-and-monitoring-of-oral-cyclosporine-in-interstitial-cystitis-bladder-pain-syndrome
#9
Iryna M Crescenze, Barbara Tucky, Jianbo Li, Courtenay Moore, Daniel Shoskes
OBJECTIVE: To evaluate the efficacy of oral Cyclosporine A (CyA) in treatment of refractory interstitial cystitis/bladder pain syndrome (IC/BPS) and assess safety using drug level and renal function monitoring. METHODS: Patients with IC/BPS who failed at least 2 prior treatments were enrolled in an open-label study of oral CyA. Medication was started at 3 mg/kg divided twice daily for 3 months. Dose was adjusted based on side effects and drug level measured 2 hours after the morning dose (C2)...
May 18, 2017: Urology
https://www.readbyqxmd.com/read/28526009/measuring-health-literacy-among-low-literate-people-an-exploratory-feasibility-study-with-the-hls-eu-questionnaire
#10
Hannelore Storms, Neree Claes, Bert Aertgeerts, Stephan Van den Broucke
BACKGROUND: Health literacy (HL) is defined as necessary competencies to make well-informed decisions. As patients' decision making is a key element of patient-centered health care, insight in patients' HL might help healthcare professionals to organize their care accordingly. This is particularly true for people in a vulnerable situation, potentially with limited HL, who are, for instance, at greater risk of having limited access to care [1, 2]. As HL correlates with education, instruments should allow inclusion of low literate people...
May 19, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28525946/ghrelin-attenuates-vascular-calcification-in-diabetic-patients-with-amputation
#11
Suining Xu, Fei Ye, Lihua Li, Jinchuan Yan, Zhengyang Bao, Zhen Sun, Liangjie Xu, Jie Zhu, Zhongqun Wang
Vascular calcification is established to be a critical factor in diabetes mellitus, which causes cardiovascular and amputation complication of diabetic patients. OPG/RANKL/RANK axis serves as a regulatory role in vascular calcification. Ghrelin, an endogenous ligand of growth hormone secretagogue receptor (GHSR), has been reported to exhibit potent cardiovascular protective effects. However, the role of ghrelin in the regulation of diabetic vascular calcification is still elusive. Here, we reported the role of ghrelin and its relationship with OPG/RANKL/RANK system in patients with diabetic foot amputation...
May 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28525865/a-selective-naked-eye-chemosensor-derived-from-2-methoxybenzylamine-and-2-3-dihydroxybenzaldehyde-synthesis-spectral-characterization-and-electrochemistry-of-its-bis-bidentates-schiff-bases-metal-complexes
#12
Aggoun Djouhra, Ourari Ali, Ruiz-Rosas Ramiro, Morallon Emilia
A new colorimetric receptor HL, acting as a bidentate Schiff base ligand, has been synthesized by condensation of 2-methoxybenzylamine on 2,3-dihydroxybenzaldehyde in a methanolic solution. Interestingly, this chelating agent can selectively detect Cu(2+), Co(2+), Fe(2+) and Fe(3+) ions with a simple and an easy-to-make, well defined naked-eye visible color changes in two different solvents like acetonitrile and methanol. This bidentate ligand coordinates three metal ions of Co(II), Cu(II) and Fe(II) via nitrogen and oxygen atoms...
May 10, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28522833/parkin-regulation-of-chop-modulates-susceptibility-to-cardiac-endoplasmic-reticulum-stress
#13
Kim Han, Shahin Hassanzadeh, Komudi Singh, Sara Menazza, Tiffany T Nguyen, Mark V Stevens, An Nguyen, Hong San, Stasia A Anderson, Yongshun Lin, Jizhong Zou, Elizabeth Murphy, Michael N Sack
The regulatory control of cardiac endoplasmic reticulum (ER) stress is incompletely characterized. As ER stress signaling upregulates the E3-ubiquitin ligase Parkin, we investigated the role of Parkin in cardiac ER stress. Parkin knockout mice exposed to aortic constriction-induced cardiac pressure-overload or in response to systemic tunicamycin (TM) developed adverse ventricular remodeling with excessive levels of the ER regulatory C/EBP homologous protein CHOP. CHOP was identified as a Parkin substrate and its turnover was Parkin-dose and proteasome-dependent...
May 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28520526/kir3dl1-hl-a-b-subtypes-govern-acute-myelogenous-leukemia-relapse-after-hematopoietic-cell-transplantation
#14
Jeanette E Boudreau, Fabio Giglio, Ted A Gooley, Philip A Stevenson, Jean-Benoît Le Luduec, Brian C Shaffer, Raja Rajalingam, Lihua Hou, Carolyn Katovich Hurley, Harriet Noreen, Elaine F Reed, Neng Yu, Cynthia Vierra-Green, Michael Haagenson, Mari Malkki, Effie W Petersdorf, Stephen Spellman, Katharine C Hsu
Purpose Disease relapse remains a major challenge to successful outcomes in patients who undergo allogeneic hematopoietic cell transplantation (HCT). Donor natural killer (NK) cell alloreactivity in HCT can control leukemic relapse, but capturing alloreactivity in HLA-matched HCT has been elusive. HLA expression on leukemia cells-upregulated in the post-HCT environment-signals for NK cell inhibition via inhibitory killer immunoglobulin-like (KIR) receptors and interrupts their antitumor activity. We hypothesized that varied strengths of inhibition among subtypes of the ubiquitous KIR3DL1 and its cognate ligand, HLA-B, would titrate NK reactivity against acute myelogenous leukemia (AML)...
May 18, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28515734/plant-growth-under-natural-light-conditions-provides-highly-flexible-short-term-acclimation-properties-toward-high-light-stress
#15
Tobias Schumann, Suman Paul, Michael Melzer, Peter Dörmann, Peter Jahns
Efficient acclimation to different growth light intensities is essential for plant fitness. So far, most studies on light acclimation have been conducted with plants grown under different constant light regimes, but more recent work indicated that acclimation to fluctuating light or field conditions may result in different physiological properties of plants. Thale cress (Arabidopsis thaliana) was grown under three different constant light intensities (LL: 25 μmol photons m(-2) s(-1); NL: 100 μmol photons m(-2) s(-)(1); HL: 500 μmol photons m(-2) s(-1)) and under natural fluctuating light (NatL) conditions...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28515253/strategies-for-management-of-relapsed-or-refractory-hodgkin-lymphoma
#16
Leo I Gordon
The advent of effective therapies has improved outcomes for those with newly diagnosed Hodgkin lymphoma (HL), with a resulting cure rate of at least 80%. However, with limited data on therapeutic options in the setting of advanced disease, individualized treatment is recommended, and potential long-term effects of therapy remain a key consideration. At the NCCN 22nd Annual Conference, Dr. Leo I. Gordon explored strategies for systemic therapy in the relapsed or refractory setting, focusing primarily on the standard of high-dose therapy/autologous stem cell rescue, the CD30-targeted antibody drug conjugate brentuximab vedotin, and checkpoint inhibition...
May 2017: Journal of the National Comprehensive Cancer Network: JNCCN
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
#17
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/28513664/a-resilient-and-luminescent-stimuli-responsive-hydrogel-from-a-heterotopic-1-8-naphthalimide-derived-ligand
#18
Chris S Hawes, Amy D Lynes, Kevin Byrne, Wolfgang Schmitt, Gavin Ryan, Matthias E Möbius, Thorfinnur Gunnlaugsson
A heterotopic naphthalimide ligand N-(4-picolyl)-4-(4'-carboxyphenoxy)-1,8-naphthalimide HL is utilised for the formation of self-assembled soft materials. In the presence of K(+) ions, L(-) forms a robust photoluminescent hydrogel 1 which is reversible under thermal, mechanical or chemical stimuli.
May 17, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28513189/transcatheter-aortic-valve-implantation-the-transaortic-approach
#19
Simon Cy Chow, Gary Sh Cheung, Alex Pw Lee, Eugene B Wu, Jacky Yk Ho, Micky Wt Kwok, Peter Sy Yu, Innes Yp Wan, Malcolm J Underwood, Randolph Hl Wong
Background Transcatheter aortic valve implantation has been established as a safe and effective treatment option for patients at high or prohibitive surgical risk. However, some patients may not be suitable for the transfemoral approach due to severe iliofemoral disease or aneurysmal disease of the thoracoabdominal aorta. The aim of this case series was to evaluate the feasibility and clinical outcomes of the transaortic approach. Methods From May 2015 to June 2016, 5 patients (mean age 78.4 ± 3.9 years) with severe symptomatic aortic stenosis underwent transaortic transcatheter aortic valve implantation after a heart team discussion...
January 1, 2017: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/28512788/outcomes-of-patients-with-relapsed-refractory-hodgkin-lymphoma-progressing-after-autologous-stem-cell-transplant-in-the-current-era-of-novel-therapeutics-a-retrospective-analysis
#20
S M Bair, L Strelec, S J Nagle, S D Nasta, D J Landsburg, A R Mato, A W Loren, S J Schuster, E A Stadtmauer, J Svoboda
Patients with relapsed/refractory Hodgkin lymphoma (RR-HL) who progress or relapse following autologous stem cell transplantation (ASCT) have historically had a poor prognosis. Several novel agents, particularly brentuximab vedotin, have shown efficacy in this setting. However, there remains a paucity of data characterizing outcomes outside of clinical trials and how these novel agents impacted prognosis in general population of patients with RR-HL. Here, we conducted a retrospective analysis to evaluate outcomes in 87 patients with RR-HL with relapse post-ASCT...
May 16, 2017: American Journal of Hematology
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