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https://www.readbyqxmd.com/read/27910042/direct-cardiac-reprogramming-as-a-novel-therapeutic-strategy-for-treatment-of-myocardial-infarction
#1
Hong Ma, Li Wang, Jiandong Liu, Li Qian
Direct reprogramming of fibroblasts into induced cardiomyocytes (iCMs) holds great promise as a novel therapy for the treatment of heart failure, a common and morbid disease that is usually caused by irreversible loss of functional cardiomyocytes (CMs). Recently, we and others showed that in a murine model of acute myocardial infarction, delivery of three transcription factors, Gata4, Mef2c, and Tbx5 converted endogenous cardiac fibroblasts into functional iCMs. These iCMs integrated electrically and mechanically with surrounding myocardium, resulting in a reduction in scar size and an improvement in heart function...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27910018/fluorescence-in-situ-hybridization-probe-validation-for-clinical-use
#2
Jun Gu, Janice L Smith, Patricia K Dowling
In this chapter, we provide a systematic overview of the published guidelines and validation procedures for fluorescence in situ hybridization (FISH) probes for clinical diagnostic use. FISH probes-which are classified as molecular probes or analyte-specific reagents (ASRs)-have been extensively used in vitro for both clinical diagnosis and research. Most commercially available FISH probes in the United States are strictly regulated by the U.S. Food and Drug Administration (FDA), the Centers for Disease Control and Prevention (CDC), the Centers for Medicare & Medicaid Services (CMS) the Clinical Laboratory Improvement Amendments (CLIA), and the College of American Pathologists (CAP)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27905888/medicare-program-end-stage-renal-disease-prospective-payment-system-coverage-and-payment-for-renal-dialysis-services-furnished-to-individuals-with-acute-kidney-injury-end-stage-renal-disease-quality-incentive-program-durable-medical-equipment-prosthetics-orthotics
#3
(no author information available yet)
This rule updates and makes revisions to the End-Stage Renal Disease (ESRD) Prospective Payment System (PPS) for calendar year 2017. It also finalizes policies for coverage and payment for renal dialysis services furnished by an ESRD facility to individuals with acute kidney injury. This rule also sets forth requirements for the ESRD Quality Incentive Program, including the inclusion of new quality measures beginning with payment year (PY) 2020 and provides updates to programmatic policies for the PY 2018 and PY 2019 ESRD QIP...
November 4, 2016: Federal Register
https://www.readbyqxmd.com/read/27882154/kai-xin-san-a-traditional-chinese-medicine-formulation-exerts-antidepressive-and-neuroprotective-effects-by-promoting-pcreb-upstream-pathways
#4
Xian-Zhe Dong, Dong-Xiao Wang, Bing-Ying Yu, Ping Liu, Yuan Hu
Kai-Xin-San (KXS) is a traditional Chinese medicine that has been widely used for the treatment of emotion-related disease. However, the underlying mechanism remains largely unknown. The present study aimed to examine whether phospho-cAMP response element-binding protein (pCREB) and upstream components, such as extracellular signal-regulated kinase (ERK), phospho-ERK (pERK), phosphatidylinositol-3-kinase (PI3K), protein kinase B (Akt), glycogen synthase kinase 3β (GSK3β) and pGSK3β are associated with the antidepressive effect of KXS...
November 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27866667/cms-overhauls-nursing-facility-regulations
#5
Susan A Turner
No abstract text is available yet for this article.
November 17, 2016: Geriatric Nursing
https://www.readbyqxmd.com/read/27864915/identification-of-emergency-department-visits-in-medicare-administrative-claims-approaches-and-implications
#6
Arjun K Venkatesh, Hao Mei, Keith Kocher, Mike Granovsky, Ziad Obermeyer, Erica Spatz, Craig Rothenberg, Harlan Krumholz, Zhenqui Lin
OBJECTIVES: Administrative claims datasets are often used for emergency care research and policy investigations of healthcare resource utilization, acute care practices, and evaluation of quality improvement interventions. Despite the high profile of emergency department (ED) visits in analyses using administrative claims, little work has evaluated the degree to which existing definitions based on claims data accurately captures conventionally defined hospital-based ED services. We sought to construct an operational definition for ED visitation using a comprehensive Medicare dataset and to compare this definition to existing operational definitions used by researchers and policymakers...
November 19, 2016: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/27863480/effects-of-lifestyle-intervention-using-patient-centered-cognitive-behavioral-therapy-among-patients-with-cardio-metabolic-syndrome-a-randomized-controlled-trial
#7
Ying Zhang, Songli Mei, Rui Yang, Ling Chen, Hang Gao, Li Li
BACKGROUND: Cardio-metabolic syndrome (CMS) is a highly prevalent condition. There is an urgent need to identify effective and integrated multi-disciplinary approaches that can reduce risk factors for CMS. METHODS: Sixty-two patients with a history of CMS were randomized 1:1 into two groups: a standard information -only group (control), or a self-regulated lifestyle waist circumference (patient-centered cognitive behavioral therapy) intervention group. A pretest and posttest, controlled, experimental design was used...
November 18, 2016: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/27802884/effects-of-biochars-and-mwnts-on-biodegradation-behavior-of-atrazine-by-acinetobacter-lwoffii-dns32
#8
Fan Yang, Qun Jiang, Moran Zhu, Lulu Zhao, Ying Zhang
Whether the biodegradation of atrazine by Acinetobacter lwoffii DNS32 can have a difference in the presence of two representative carbon materials (CMs), namely, biochars (BCs) and carbon nanotubes (CNTs) is explored, through investigating the influence of CMs on the biodegradation rate, the viability of bacteria and the expression of atrazine genes in aqueous medium. Multi-walled carbon nanotubes (MWNTs), biochars resulted from corn straws (C-BCs) and that made from banana peels (B-BCs) were chosen as the examples...
January 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/27802444/tissue-derived-signals-for-mesenchymal-stem-cell-stimulation-role-of-cardiac-and-umbilical-cord-microenvironments
#9
Anny Waloski Robert, Andressa Vaz Schittini, Fabricio Klerynton Marchini, Michel Batista, Marise Brenner Affonso Da Costa, Alexandra Cristina Senegaglia, Paulo Roberto Slud Brofman, Ana Paula Ressetti Abud, Marco Augusto Stimamiglio
The tissue microenvironment regulates such stem cell behaviors as self-renewal and differentiation. Attempts to mimic components of these microenvironments could provide new strategies for culturing and directing the behavior of stem cells. The aim of the present study was to mimic cardiac and umbilical cord tissue microenvironments in vitro and compare the resulting bone marrow-derived mesenchymal stem cell (BM-MSC) behaviors. We generated tissue microenvironments using conditioned medium (CM) and extracellular matrix (ECM) samples obtained from human heart and umbilical cord tissue explant cultures and by tissue decellularization...
November 2, 2016: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/27773794/7-8-dihydroxyflavone-reverses-the-depressive-symptoms-in-mouse-chronic-mild-stress
#10
Min-Wang Zhang, She-Feng Zhang, Zhen-Hua Li, Fang Han
7,8-Dihydroxyflavone (7,8-DHF) is a naturally-occurring flavone which possesses good bioavailability. Due to its ability to cross the blood-brain barrier, previous studies have demonstrated that 7,8-DHF was a potent tropomyosin-related kinase B (TrkB) agonist, and produced antidepressant-like effects in mouse forced swimming test and tail suspension test. However, it has not been evaluated in chronic mild stress (CMS), a classical depression model modulating the processes of major depression in human. In the present study, we not only evaluated the depressive-like behaviors, but also measured the key proteins of TrkB signaling in mice exposed to CMS...
December 2, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27738119/treatment-with-a-low-ph-processing-aid-to-reduce-campylobacter-counts-on-broiler-parts
#11
M A Landrum, N A Cox, D E Cosby, M E Berrang, S M Russell
New regulations and performance standards for Campylobacter have been implemented by the USDA - Food Safety and Inspection Service (FSIS). The objective of this study was to evaluate treatment with a low pH processing aid (CMS(1) PoultrypHresh), a formulated low pH processing aid, to reduce numbers of Campylobacter which could help companies meet regulatory requirements. Two experiments (3 replicates each) were conducted. Experiment 1, in each of 3 replicates, skin-on split chicken breasts (n = 15) were obtained from a local grocery and divided into groups of 5...
October 12, 2016: Poultry Science
https://www.readbyqxmd.com/read/27723741/allogeneic-transplantation-of-ips-cell-derived-cardiomyocytes-regenerates-primate-hearts
#12
Yuji Shiba, Toshihito Gomibuchi, Tatsuichiro Seto, Yuko Wada, Hajime Ichimura, Yuki Tanaka, Tatsuki Ogasawara, Kenji Okada, Naoko Shiba, Kengo Sakamoto, Daisuke Ido, Takashi Shiina, Masamichi Ohkura, Junichi Nakai, Narumi Uno, Yasuhiro Kazuki, Mitsuo Oshimura, Itsunari Minami, Uichi Ikeda
Induced pluripotent stem cells (iPSCs) constitute a potential source of autologous patient-specific cardiomyocytes for cardiac repair, providing a major benefit over other sources of cells in terms of immune rejection. However, autologous transplantation has substantial challenges related to manufacturing and regulation. Although major histocompatibility complex (MHC)-matched allogeneic transplantation is a promising alternative strategy, few immunological studies have been carried out with iPSCs. Here we describe an allogeneic transplantation model established using the cynomolgus monkey (Macaca fascicularis), the MHC structure of which is identical to that of humans...
October 10, 2016: Nature
https://www.readbyqxmd.com/read/27716270/the-antidepressant-like-effects-of-pioglitazone-in-a-chronic-mild-stress-mouse-model-are-associated-with-ppar%C3%AE-mediated-alteration-of-microglial-activation-phenotypes
#13
Qiuying Zhao, Xiaohui Wu, Shuo Yan, Xiaofang Xie, Yonghua Fan, Jinqiang Zhang, Cheng Peng, Zili You
BACKGROUND: Discoveries that microglia-mediated neuroinflammation is involved in the pathological process of depression provided a new strategy for novel antidepressant therapy. Peroxisome proliferator-activated receptor γ (PPARγ) is a nuclear receptor regulating inflammation and microglial polarization and, therefore, a potential target for resolving depressive disorders. Our hypothesis was that antidepressant effects could be achieved through anti-inflammatory and neuroprotective activities by PPARγ-dependent microglia-modulating agents...
October 4, 2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27677332/non-cell-autonomous-cues-for-enhanced-functionality-of-human-embryonic-stem-cell-derived-cardiomyocytes-via-maturation-of-sarcolemmal-and-mitochondrial-katp-channels
#14
Wendy Keung, Lihuan Ren, Sen Li, Andy On-Tik Wong, Anant Chopra, Chi-Wing Kong, Gordon F Tomaselli, Christopher S Chen, Ronald A Li
Human embryonic stem cells (hESCs) is a potential unlimited ex vivo source of ventricular (V) cardiomyocytes (CMs), but hESC-VCMs and their engineered tissues display immature traits. In adult VCMs, sarcolemmal (sarc) and mitochondrial (mito) ATP-sensitive potassium (KATP) channels play crucial roles in excitability and cardioprotection. In this study, we aim to investigate the biological roles and use of sarcKATP and mitoKATP in hESC-VCM. We showed that SarcIK, ATP in single hESC-VCMs was dormant under baseline conditions, but became markedly activated by cyanide (CN) or the known opener P1075 with a current density that was ~8-fold smaller than adult; These effects were reversible upon washout or the addition of GLI or HMR1098...
September 28, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27669430/identification-of-genes-potentially-associated-with-the-fertility-instability-of-s-type-cytoplasmic-male-sterility-in-maize-via-bulked-segregant-rna-seq
#15
Aiguo Su, Wei Song, Jinfeng Xing, Yanxin Zhao, Ruyang Zhang, Chunhui Li, Minxiao Duan, Meijie Luo, Zi Shi, Jiuran Zhao
S-type cytoplasmic male sterility (CMS-S) is the largest group among the three major types of CMS in maize. CMS-S exhibits fertility instability as a partial fertility restoration in a specific nuclear genetic background, which impedes its commercial application in hybrid breeding programs. The fertility instability phenomenon of CMS-S is controlled by several minor quantitative trait locus (QTLs), but not the major nuclear fertility restorer (Rf3). However, the gene mapping of these minor QTLs and the molecular mechanism of the genetic modifications are still unclear...
2016: PloS One
https://www.readbyqxmd.com/read/27660265/reciprocal-microrna-expression-in-mesocortical-circuit-and-its-interplay-with-serotonin-transporter-define-resilient-rats-in-the-chronic-mild-stress
#16
Dariusz Zurawek, Maciej Kusmider, Agata Faron-Gorecka, Piotr Gruca, Paulina Pabian, Joanna Solich, Magdalena Kolasa, Mariusz Papp, Marta Dziedzicka-Wasylewska
Prolonged stress perturbs physiological balance of a subject and thus can lead to depression. Nevertheless, some individuals are more resilient to stress than the others. Defining molecular factors underlying resilience to stress may contribute to the development of a new antidepressant strategy based on the restoration of resilient phenotype in depressed subjects. We used chronic mild stress (CMS) paradigm-well-characterized animal model of depression which caused in rats behavioral deficits (anhedonia) manifested by decreased consumption of sucrose solution...
September 22, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27658313/medicare-and-medicaid-programs-emergency-preparedness-requirements-for-medicare-and-medicaid-participating-providers-and-suppliers-final-rule
#17
(no author information available yet)
This final rule establishes national emergency preparedness requirements for Medicare- and Medicaid-participating providers and suppliers to plan adequately for both natural and man-made disasters, and coordinate with federal, state, tribal, regional, and local emergency preparedness systems. It will also assist providers and suppliers to adequately prepare to meet the needs of patients, residents, clients, and participants during disasters and emergency situations. Despite some variations, our regulations will provide consistent emergency preparedness requirements, enhance patient safety during emergencies for persons served by Medicare- and Medicaid-participating facilities, and establish a more coordinated and defined response to natural and man-made disasters...
September 16, 2016: Federal Register
https://www.readbyqxmd.com/read/27642787/ipsc-derived-cardiomyocytes-reveal-abnormal-tgf-%C3%AE-signalling-in-left-ventricular-non-compaction-cardiomyopathy
#18
Kazuki Kodo, Sang-Ging Ong, Fereshteh Jahanbani, Vittavat Termglinchan, Keiichi Hirono, Kolsoum InanlooRahatloo, Antje D Ebert, Praveen Shukla, Oscar J Abilez, Jared M Churko, Ioannis Karakikes, Gwanghyun Jung, Fukiko Ichida, Sean M Wu, Michael P Snyder, Daniel Bernstein, Joseph C Wu
Left ventricular non-compaction (LVNC) is the third most prevalent cardiomyopathy in children and its pathogenesis has been associated with the developmental defect of the embryonic myocardium. We show that patient-specific induced pluripotent stem cell-derived cardiomyocytes (iPSC-CMs) generated from LVNC patients carrying a mutation in the cardiac transcription factor TBX20 recapitulate a key aspect of the pathological phenotype at the single-cell level and this was associated with perturbed transforming growth factor beta (TGF-β) signalling...
October 2016: Nature Cell Biology
https://www.readbyqxmd.com/read/27642167/phospholamban-is-concentrated-in-the-nuclear-envelope-of-cardiomyocytes-and-involved-in-perinuclear-nuclear-calcium-handling
#19
Adonis Z Wu, Dongzhu Xu, Na Yang, Shien-Fong Lin, Peng-Sheng Chen, Steven E Cala, Zhenhui Chen
AIMS: Phospholamban (PLB) regulates the cardiac Ca(2+)-ATPase (SERCA2a) in sarcoplasmic reticulum (SR). However, the localization of PLB at subcellular sites outside the SR and possible contributions to Ca(2+) cycling remain unknown. We examined the intracellular distribution of PLB and tested whether a pool of PLB exists in the nuclear envelope (NE) that might regulate perinuclear/nuclear Ca(2+) (nCa(2+)) handling in cardiomyocytes (CMs). METHODS AND RESULTS: Using confocal immunofluorescence microscopy and immunoblot analyses of CMs and CM nuclei, we discovered that PLB was highly concentrated in NE...
September 15, 2016: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/27641650/ipsc-mscs-with-high-intrinsic-miro1-and-sensitivity-to-tnf-%C3%AE-yield-efficacious-mitochondrial-transfer-to-rescue-anthracycline-induced-cardiomyopathy
#20
Yuelin Zhang, Zhendong Yu, Dan Jiang, Xiaoting Liang, Songyan Liao, Zhao Zhang, Wensheng Yue, Xiang Li, Sin-Ming Chiu, Yuet-Hung Chai, Yingmin Liang, Yenyen Chow, Shuo Han, Aimin Xu, Hung-Fat Tse, Qizhou Lian
Mesenchymal stem cells (MSCs) can donate mitochondria and rescue anthracycline-induced cardiomyocyte (CM) damage, although the underlying mechanisms remain elusive. We determined that the superior efficiency of mitochondrial transfer by human induced-pluripotent-stem-cell-derived MSCs (iPSC-MSCs) compared with bone marrow-derived MSCs (BM-MSCs) is due to high expression of intrinsic Rho GTPase 1 (MIRO1). Further, due to a higher level of TNFαIP2 expression, iPSC-MSCs are more responsive to tumor necrosis factor alpha (TNF-α)-induced tunneling nanotube (TNT) formation for mitochondrial transfer to CMs, which is regulated via the TNF-α/NF-κB/TNFαIP2 signaling pathway...
October 11, 2016: Stem Cell Reports
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