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https://www.readbyqxmd.com/read/29786749/long-noncoding-rna-myocardial-infarction%C3%A2-associated-transcript-is-associated-with-the-microrna%C3%A2-150%C3%A2-5p-p300-pathway-in-cardiac-hypertrophy
#1
Zhao Li, Yamin Liu, Xiaofan Guo, Guozhe Sun, Qun Ma, Ying Dai, Guangshuo Zhu, Yingxian Sun
In numerous diseases, abnormal expression of myocardial infarction‑associated transcript (MIAT) has been reported to be involved in cell proliferation, apoptosis and migration. However, whether this long non‑coding RNA MIAT has a regulatory effect on heart hypertrophy requires further investigation. To this end, the present study evaluated MIAT in hypertrophic cardiomyocytes in vitro and in vivo. Neonatal rat ventricular myocytes (NRVMs) were induced by isoproterenol (ISO) to create a cell hypertrophy model, and mice were intraperitoneally injected with ISO to establish an animal model...
May 21, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29784077/effects-of-ketamine-compared-with-urethane-anesthesia-on-vestibular-sensory-evoked-potentials-and-systemic-physiology-in-mice
#2
Choongheon Lee, Timothy A Jones
The injectable anesthetic mixture ketamine-xylazine is commonly used for electrophysiologic experiments in laboratory animals, especially rodents. General anesthesia can induce significant changes in systemic physiology, including those that compromise neural function, thus introducing research confounds. The extent of such concerns varies by agent. Here in mice, we compared the effects of ketamine-xylazine and urethane-xylazine anesthesia on systemic physiologic parameters and the vestibular sensory evoked potential (VsEP), a tool used commonly to assess peripheral vestibular function...
May 1, 2018: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/29782916/identification-of-amino-acid-residues-in-infectious-hematopoietic-necrosis-virus-ihnv-nv-protein-necessary-for-viral-replication-and-pathogenicity
#3
Yang Wu, Li Wang, Tiantian Guo, Yanping Jiang, Xinyuan Qiao, Li Sun, Min Liu, Lijie Tang, Yigang Xu, Yijing Li
Our previous studies demonstrated that the nonstructural NV protein of infectious hematopoietic necrosis virus (IHNV) was essential for efficient viral replication and pathogenicity, and that the amino acid residues 32 EGDL35 of the NV protein were responsible for nuclear localization, and played important roles in suppressing IFN and inhibiting NF-κB activity. However, little is known about the influence of 32 EGDL35 on IHNV replication and pathogenicity. In the present study, two recombinant IHNV strains with deletions of NV 32 EGDL35 were generated and the effect on IHNV replication and pathogenicity was explored...
May 18, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29782307/cutaneous-manifestations-of-tuberous-sclerosis
#4
Mirjana Bakić, Marina Ratković, Branka Gledović, Balsa Vujović, Danilo Radunović, Vera Babić, Vladimir Prelević
Dear Editor, Tuberous sclerosis (TS) is an autosomal dominant multisystem disease, which occurs due to genetically determined hyperplasia of ectodermal and mesodermal cells. Clinical manifestations present on the skin and in the nervous system, kidneys, heart, and other organs. Recent studies estimate the incidence of TS at 1/6000 to 1/10,000 live births, and a prevalence in the general population of approximately 1 in 20,000 (1). There are two different genetic loci responsible for TS: 9q34 (TSC1-hamartin) and 16p13...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29774373/cardiovascular-system-changes-in-rheumatoid-arthritis-patients-with-continued-low-disease-activity
#5
Małgorzata Biskup, Wojciech Biskup, Maria Majdan, Bożena Targońska-Stępniak
Systemic inflammation and disease activity seem to contribute to excessive prevalence of cardiovascular (CV) diseases (CVDs) in patients with rheumatoid arthritis (RA). The objective of the study was to assess chosen CV parameters in RA patients who have continuous low disease activity. The study group consisted of 70 RA patients without known CVD and 33 healthy controls, of a comparable age. All RA patients had continued low disease activity (DAS28 ≤ 3.2) from 2 to 7 years. The groups were assessed for: blood pressure, serum amino-terminal pro-brain natriuretic peptide (NT-proBNP), carotid intima media thickness (cIMT), electrocardiography (ECG), ejection fraction (EJ) and diastolic dysfunction (E/A ratio) in echocardiography...
May 17, 2018: Rheumatology International
https://www.readbyqxmd.com/read/29770863/siv-latency-in-macrophages-in-the-cns
#6
Lucio Gama, Celina Abreu, Erin N Shirk, Suzanne E Queen, Sarah E Beck, Kelly A Metcalf Pate, Brandon T Bullock, M Christine Zink, Joseph L Mankowski, Janice E Clements
Lentiviruses infect myeloid cells, leading to acute infection followed by persistent/latent infections not cleared by the host immune system. HIV and SIV are lentiviruses that infect CD4+ lymphocytes in addition to myeloid cells in blood and tissues. HIV infection of myeloid cells in brain, lung, and heart causes tissue-specific diseases that are mostly observed during severe immunosuppression, when the number of circulating CD4+ T cells declines to exceeding low levels. Antiretroviral therapy (ART) controls viral replication but does not successfully eliminate latent virus, which leads to viral rebound once ART is interrupted...
May 17, 2018: Current Topics in Microbiology and Immunology
https://www.readbyqxmd.com/read/29765615/prognostic-significance-of-repeated-brain-natriuretic-peptide-measurements-after-percutaneous-transluminal-septal-myocardial-ablation-in-patients-with-drug-refractory-hypertrophic-obstructive-cardiomyopathy
#7
Keitaro Akita, Hikaru Tsuruta, Shinsuke Yuasa, Mitsushige Murata, Keiichi Fukuda, Yuichiro Maekawa
Objectives: To evaluate whether repeated brain natriuretic peptide (BNP) measurements after percutaneous transluminal septal myocardial ablation (PTSMA) provide prognostic information regarding the response to PTSMA in patients with drug-refractory hypertrophic obstructive cardiomyopathy (HOCM). Background: Plasma BNP levels are associated with clinical outcomes in patients with HOCM. However, the prognostic value of plasma BNP level changes before and after PTSMA remains unclear...
2018: Open Heart
https://www.readbyqxmd.com/read/29765477/detecting-epileptic-seizure-with-different-feature-extracting-strategies-using-robust-machine-learning-classification-techniques-by-applying-advance-parameter-optimization-approach
#8
Lal Hussain
Epilepsy is a neurological disorder produced due to abnormal excitability of neurons in the brain. The research reveals that brain activity is monitored through electroencephalogram (EEG) of patients suffered from seizure to detect the epileptic seizure. The performance of EEG detection based epilepsy require feature extracting strategies. In this research, we have extracted varying features extracting strategies based on time and frequency domain characteristics, nonlinear, wavelet based entropy and few statistical features...
June 2018: Cognitive Neurodynamics
https://www.readbyqxmd.com/read/29764506/cardiotoxicity-of-5-fluorouracil-and-capecitabine-in-chinese-patients-a-prospective-study
#9
Jianjun Peng, Chao Dong, Chang Wang, Weihua Li, Hao Yu, Min Zhang, Qun Zhao, Bo Zhu, Jun Zhang, Wenliang Li, Fenghua Wang, Qiong Wu, Wenhao Zhou, Ying Yuan, Meng Qiu, Gong Chen
BACKGROUND: 5-Fluorouracil (5-FU) and capecitabine-associated cardiotoxicity ranging from asymptomatic electrocardiography (ECG) abnormalities to severe myocardial infarction has been reported in a number of studies, but such cardiotoxicity in Chinese patients with malignant diseases has not been investigated to date. In the present study, we aimed to prospectively evaluate the incidence rates and clinical manifestations of 5-FU- and capecitabine-associated cardiotoxicity in cancer patients recruited from multiple centers in China...
May 11, 2018: Cancer communications
https://www.readbyqxmd.com/read/29753957/brainstem-blood-brain-barrier-disruption-using-focused-ultrasound-a-demonstration-of-feasibility-and-enhanced-doxorubicin-delivery
#10
Saira Alli, Carlyn A Figueiredo, Brian Golbourn, Nesrin Sabha, Megan Yijun Wu, Andrew Bondoc, Amanda Luck, Daniel Coluccia, Colin Maslink, Christian Smith, Heiko Wurdak, Kullervo Hynynen, Meaghan O'Reilly, James T Rutka
Magnetic Resonance Image-guided Focused Ultrasound (MRgFUS) has been used to achieve transient BBB opening without tissue injury. Delivery of a targeted ultrasonic wave causes an interaction between administered microbubbles and the capillary bed resulting in enhanced vessel permeability. The use of MRgFUS in the brainstem has not previously been shown but could provide value in the treatment of tumours such as Diffuse Intrinsic Pontine Glioma (DIPG) where the intact BBB has contributed to the limited success of chemotherapy...
May 10, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29746994/shenfu-formula-reduces-cardiomyocyte-apoptosis-in-heart-failure-rats-by-regulating-micrornas
#11
Xu Yan, Hongjin Wu, Jianxun Ren, Yuna Liu, Shengqi Wang, Jiyuan Yang, Shuyan Qin, Delin Wu
ETHNOPHARMACOLOGICAL RELEVANCE: Shenfu decoction consists of the water extract from the dried root or rootstalk of Panax ginseng C. A. Mey (Asian ginseng) and the lateral root of Aconitum carmichaeli Debx (Fuzi, Heishunpian in Chinese). Shenfu Formula has been used as a folk Chinese medicine for thousands of years. Recent studies have shown that Shenfu injection can enhance cardiac function and regulate arrhythmia. AIM OF THE STUDY: Shenfu Formula plays an important role in the treatment of heart failure...
May 7, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29743080/hemodynamic-effects-of-perfusion-level-of-peripheral-ecmo-on-cardiovascular-system
#12
Kaiyun Gu, Zhe Zhang, Bin Gao, Yu Chang, Feng Wan
BACKGROUND: Peripheral ECMO is an effective cardiopulmonary support in clinical. The perfusion level could directly influence the performances and complications. However, there are few studies on the effects of the perfusion level on hemodynamics of peripheral ECMO. METHODS: The geometric model of cardiovascular system with peripheral ECMO was established. The blood assist index was used to classify the perfusion level of the ECMO. The flow pattern from the aorta to the femoral artery and their branches, blood flow rate from aorta to brain and limbs, flow interface, harmonic index of blood flow, wall shear stress and oscillatory shear index were chosen to evaluate the hemodynamic effects of peripheral ECMO...
May 9, 2018: Biomedical Engineering Online
https://www.readbyqxmd.com/read/29742216/pain-assessment-of-traumatic-brain-injury-victims-using-the-brazilian-version-of-the-behavioral-pain-scale
#13
Caíque Jordan Nunes Ribeiro, Andra Carla Santos de Araújo, Saulo Barreto Brito, Daniele Vieira Dantas, Mariangela da Silva Nunes, José Antonio Barreto Alves, Maria do Carmo de Oliveira Ribeiro
OBJECTIVE: To evaluate the validity and reliability of the Brazilian version of the Behavioral Pain Scale (BPS-Br) in victims of traumatic brain injury. METHODS: Observational prospective study with paired and repeated measures conducted at two intensive care units (clinical and surgical) of a large general hospital. The convenience sample consisted of adult victims of moderate or severe penetrating or blunt craniocerebral trauma who were sedated and mechanically ventilated...
March 2018: Revista Brasileira de Terapia Intensiva
https://www.readbyqxmd.com/read/29731688/therapeutic-effects-of-pegylated-interferon-%C3%AE-2a-in-a-mouse-model-of-multiple-sclerosis
#14
Sanaz Afraei, Reza Sedaghat, Farzaneh Tofighi Zavareh, Zahra Aghazadeh, Parvin Ekhtiari, Gholamreza Azizi, Abbas Mirshafiey
Introduction: Experimental autoimmune encephalomyelitis (EAE) is an animal model of multiple sclerosis (MS). EAE is mainly mediated by adaptive and innate immune responses that lead to an inflammatory demyelination and axonal damage. The aim of the present research was to examine the therapeutic efficacy of Peg interferon alpha 2a (Peg-IFN α-2a) as a serine protease inhibitor on EAE model. Material and methods: EAE induction was performed in female C57BL/6 mice by myelin oligodendrocyte glycoprotein (35-55) (MOG35-55 ) in Complete Freund's Adjuvant (CFA) emulsion, and Peg-IFN α-2a was used for the treatment of EAE...
2018: Central-European Journal of Immunology
https://www.readbyqxmd.com/read/29729610/brain-death-organ-donor-supported-by-a-left-ventricular-assist-device-showing-unexpected-congestive-liver-fibrosis-a-case-report
#15
Hideya Kamei, Masahiko Komagome, Nobuhiko Kurata, Satoshi Ogiso, Yasuharu Onishi, Takanobu Hara, Mitsuhisa Takatsuki, Susumu Eguchi, Yasuhiro Ogura
INSTRUCTION: Organ transplantation from a brain death donor on mechanical circulatory support is rare. We report a case in which a brain death donor, supported by a left ventricular assist device (LVAD), unexpectedly displayed significant congestive fibrosis of the liver. PRESENTATION OF CASE: The potential organ donor was diagnosed 23 years previously as having dilated-phase of hypertrophic cardiomyopathy. He had undergone implantation of an LVAD as a bridge to heart transplantation...
April 30, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29725769/long-interspersed-nuclear-elements-lines-in-brain-and-non-brain-tissues-of-the-rat
#16
Gianfranco Giorgi, Marco Virgili, Barbara Monti, Brunella Del Re
Long INterspersed Element-1 (L1) is a transposable element that can insert copies of itself in new genomic locations causing genomic instability. In somatic cells, L1 retrotransposition activity is usually repressed but somatic L1 retrotransposition has recently been observed during neuronal differentiation. In this study, we evaluate whether L1 elements are differentially active in rat tissues during postnatal development. To this purpose, we quantified L1 in genomic DNA extracted from the olfactory bulb (OB), cerebellum (CE), cortex (CO) and heart (H)...
May 3, 2018: Cell and Tissue Research
https://www.readbyqxmd.com/read/29724973/rationale-design-and-methodology-of-the-apollon-trial-a-comprehensive-observational-registry-of-heart-failure-with-midrange-and-preserved-ejection-fraction
#17
Bülent Özlek, Eda Özlek, Oğuzhan Çelik, Cem Çil, Volkan Doğan, Mehmet Tekinalp, Hicaz Zencirkıran Ağuş, Serkan Kahraman, Altuğ Ösken, İbrahim Rencüzoğulları, Veysel Ozan Tanık, Lütfü Bekar, Mustafa Ozan Çakır, Bedri Caner Kaya, Hakan Tibilli, Yunus Çelik, Özcan Başaran, Kadir Uğur Mert, Samet Sevinç, Erkan Demirci, Engin Dondurmacı, Murat Biteker
OBJECTIVE: Although almost half of chronic heart failure (HF) patients have mid-range (HFmrEF) and preserved left-ventricular ejection fraction (HFpEF), no studies have been carried out with these patients in our country. This study aims to determine the demographic characteristics and current status of the clinical background of HFmrEF and HFpEF patients in a multicenter trial. METHODS: A comPrehensive, ObservationaL registry of heart faiLure with mid range and preserved ejectiON fraction (APOLLON) trial will be an observational, multicenter, and noninterventional study conducted in Turkey...
May 2018: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/29717219/proteomic-differences-between-focal-and-diffuse-traumatic-brain-injury-in-human-brain-tissue
#18
Sami Abu Hamdeh, Ganna Shevchenko, Jia Mi, Sravani Musunuri, Jonas Bergquist, Niklas Marklund
The early molecular response to severe traumatic brain injury (TBI) was evaluated using biopsies of structurally normal-appearing cortex, obtained at location for intracranial pressure (ICP) monitoring, from 16 severe TBI patients. Mass spectrometry (MS; label free and stable isotope dimethyl labeling) quantitation proteomics showed a strikingly different molecular pattern in TBI in comparison to cortical biopsies from 11 idiopathic normal pressure hydrocephalus patients. Diffuse TBI showed increased expression of peptides related to neurodegeneration (Tau and Fascin, p < 0...
May 1, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29715102/pharmacokinetics-biodistribution-and-toxicity-evaluation-of-anti-sema3a-f11-in-in-vivo-models
#19
Jaehyun Lee, Donggeon Kim, Eunju Son, Su-Ji Yoo, Jason K Sa, Yong Jae Shin, Yeup Yoon, DO-Hyun Nam
BACKGROUND/AIM: The aim of our study was to investigate the pharmacokinetics (PK), tissue distribution and toxicity of F11 antibody to semaphorin 3A in mouse models and explore its anti-angiogenic and tumor-inhibitory effect. MATERIALS AND METHODS: Patient-derived xenograft (PDX) models were established via subcutaneous implantation of glioblastoma multiforme (GBM) cells and treated with F11. RESULTS: F11 significantly attenuated tumor growth and angiogenesis in the GBM PDX model...
May 2018: Anticancer Research
https://www.readbyqxmd.com/read/29713751/bioaccumulation-and-distribution-of-hexabromocyclododecane-isomers-in-duck-tissues
#20
Wei Xia, Jianmei Wang, Hua Yang, Hu Zhang, Bo Yang, Yinhuan Zeng, Jie Xu, Zuguang Li, Mingrong Qian
Eighty ducks (Sheldrake, Anas platyrhynchos) from Zhejiang Province, China were fed capsules containing commercialized hexabromocyclododecanes (HBCDs) at low (0.8 mg/kg/day) or high (1.6 mg/kg/day) exposure level, or only maize starch for 21 days. Then the next 21 days was set as depuration period. Ducks were euthanizated at 0, 7, 14 and 21 days after last dose and ten duck tissues including skin, tongue, intestines, heart, gizzard, muscle, liver, lung, brain and blood were sampled, separately. Three HBCDs including α-HBCD, β-HBCD and γ-HBCD in duck tissue samples were analyzed...
April 30, 2018: Bulletin of Environmental Contamination and Toxicology
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