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https://www.readbyqxmd.com/read/28732239/effects-of-antiepileptic-drugs-on-mitochondrial-functions-morphology-kinetics-biogenesis-and-survival
#1
REVIEW
Josef Finsterer, Fulvio A Scorza
OBJECTIVES: Antiepileptic drugs (AEDs) exhibit adverse and beneficial effects on mitochondria, which have a strong impact on the treatment of patients with a mitochondrial disorder (MID) with epilepsy (mitochondrial epilepsy). This review aims at summarizing and discussing recent findings concerning the effect of AEDs on mitochondrial functions and the clinical consequences with regard to therapy of mitochondrial epilepsy and of MIDs in general. METHODS: Literature review...
July 13, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28731412/lung-sound-analysis-is-useful-for-monitoring-therapy-in-patients-with-bronchial-asthma
#2
T Shimoda, Y Obase, Y Nagasaka, H Nakano, R Kishikawa, T Iwanaga
BACKGROUND AND OBJECTIVE: Lung sound analysis (LSA) has been reported to be useful for predicting airway obstruction and inflammation in patients with bronchial asthma. Objectives: We examined whether the exhalation-to-inhalation sound pressure ratio in the middle frequency range (200-400 Hz) (E/I MF) is useful for monitoring therapy in patients with asthma. METHODS: The study population comprised 84 patients with mild to moderate asthma whose LSA data were available before and after 1 year of daily treatment with (budesonide 800 μg)...
2017: Journal of Investigational Allergology & Clinical Immunology
https://www.readbyqxmd.com/read/28730387/dynamics-of-the-pro-oxidant-antioxidant-system-parameters-in-wound-discharge-and-plasma-in-experimental-purulent-wound-during-its-technological-liquid-phase-treatment
#3
I M Bykov, A A Basov, V V Malyshko, S S Dzhimak, S R Fedosov, A V Moiseev
The dynamics of the pro-oxidant/antioxidant system of rabbits was studied at the local (in exudate) and systemic (blood) levels during therapy of purulent wounds in liquid medium with the use of a programmed device and the efficiency of the proposed technological method was compared with that of classical methods for the treatment of these wounds. More rapid recovery of the indicators of the pro-oxidant/antioxidant system to physiological values in the postoperative period was observed after treatment by the proposed method (7 days vs...
July 18, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28730106/mitochondrial-expression-and-activity-of-p-glycoprotein-under-oxidative-stress-in-outer-blood-retinal-barrier
#4
Yue-Hong Zhang, Juan Li, Wei-Zhong Yang, Zhuan-Hua Xian, Qi-Ting Feng, Xiang-Cai Ruan
AIM: To investigate the role of oxidative stress in regulating the functional expression of P-glycoprotein (P-gp) in mitochondria of D407 cells. METHODS: D407 cells were exposed to different ranges of concentrations of H2O2. The mitochondrial location of P-gp in the cells subjected to oxidative stress was detected by confocal analysis. Expression of P-gp in isolated mitochondria was assessed by Western blot. The pump activity of P-gp was evaluated by performing the efflux study on isolated mitochondria with Rhodamine 123 (Rho-123) alone and in the presence of P-gp inhibitor (Tariquidar) using flow cytometry analysis...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28729651/combination-of-ginsenoside-rb1-and-rd-protects-the-retina-against-bright-light-induced-degeneration
#5
Minjuan Bian, Xiaoye Du, Peiwei Wang, Jingang Cui, Jing Xu, Jiangping Gu, Teng Zhang, Yu Chen
Photoreceptor degeneration is a central pathology of various retinal degenerative diseases which currently lack effective therapies. Antioxidant and anti-inflammatory activities are noted for Panax notoginsenoside saponins (PNS) and related saponin compound(s). However, the photoreceptor protective potentials of PNS or related saponin compound(s) remain unknown. The current study revealed that PNS protected against photoreceptor loss in bright light-exposed BALB/c mice. Combination of ginsenoside Rb1 and Rd, two major saponin compounds of PNS, recapitulated the retinal protection of PNS and attenuated retinal oxidative stress and inflammatory changes...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28729399/decitabine-priming-enhances-mucin-1-inhibition-mediated-disruption-of-redox-homeostasis-in-cutaneous-t-cell-lymphoma
#6
Salvia Jain, Abigail Washington, Rebecca Karp Leaf, Parul Bhargava, Rachael A Clark, Thomas S Kupper, Dina Stroopinsky, Athalia Pyzer, Leandra Cole, Myrna Nahas, Arie Apel, Jacalyn Rosenblatt, Jon Arnason, Donald Kufe, David Avigan
Cutaneous T-cell lymphoma (CTCL) is a heterogeneous neoplasm and patients with relapsed/refractory disease exhibit resistance to standard therapies. We have previously demonstrated that the MUC1-C oncoprotein plays a critical role in protection from oxidative stress in CTCL cells. Targeting of MUC1-C with a pharmacologic inhibitor, GO-203, was associated with apoptosis in CTCL. However, disease responses were incomplete underscoring the need for combinatorial strategies that could exploit the vulnerability of CTCL cells to oxidative signals...
July 20, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28727368/medical-ozone-therapy-reduces-oxidative-stress-and-testicular-damage-in-an-experimental-model-of-testicular-torsion-in-rats
#7
Mustafa Tusat, Ahmet Mentese, Selim Demir, Ahmet Alver, Mustafa Imamoglu
OBJECTIVE: Testicular torsion (TT) refers to rotation of the testis and twisting of the spermatic cord. TT results in ischemia-reperfusion (I/R) injury involving increased oxidative stress, inflammation and apoptosis, and can even lead to infertility. The aim of this study was to investigate the effect of ozone therapy on testicular damage due to I/R injury in an experimental torsion model. MATERIALS AND METHODS: 24 male Sprague-Dawley rats were divided into 3 groups; sham-operated, torsion/detorsion (T/D), and T/D+ozone...
June 14, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28726521/polymer-donors-of-nitric-oxide-improve-the-treatment-of-experimental-solid-tumours-with-nanosized-polymer-therapeutics
#8
Milada Šírová, Veronika Horková, Tomáš Etrych, Petr Chytil, Blanka Říhová, Martin Studenovský
Polymer carriers based on N-(2-hydroxypropyl)methacrylamide (HPMA) copolymers with incorporated organic nitrates as nitric oxide (NO) donors were designed with the aim to localize NO generation in solid tumours, thus highly increasing the enhanced permeability and retention (EPR) effect. The NO donors were coupled to the polymer carrier either through a stable bond or through a hydrolytically degradable, pH sensitive, bond. In vivo, the co-administration of the polymer NO donor and HPMA copolymer-bound cytotoxic drug (doxorubicin; Dox) resulted in an improvement in the treatment of murine EL4 T-cell lymphoma...
July 20, 2017: Journal of Drug Targeting
https://www.readbyqxmd.com/read/28726291/high-dose-humanin-analogue-applied-during-ischemia-exerts-cardioprotection-against-ischemia-reperfusion-injury-by-reducing-mitochondrial-dysfunction
#9
Savitree Thummasorn, Krekwit Shinlapawittayatorn, Siriporn C Chattipakorn, Nipon Chattipakorn
Although the gold standard treatment for acute myocardial infarction is reperfusion therapy, reperfusion itself can cause myocardial damage via induction of cardiac mitochondrial dysfunction. This can lead to increased myocardial infarct size, arrhythmias and left ventricular (LV) dysfunction. Recently, a newly discovered peptide, Humanin, has been shown to exert several beneficial effects including anti-oxidative and anti-apoptosis effects. We recently reported that a Humanin analogue (HNG, 84 μg/kg) given prior to cardiac ischemia exerted cardioprotection against I/R injury, but failed to do so when it was given after ischemia was induced...
July 20, 2017: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/28726090/flavoprotein-minisog-bret-induced-cytotoxicity-depends-on-its-intracellular-localization
#10
E I Shramova, G M Proshkina, S M Deyev, R V Petrov
It is proposed to use the bioluminescent resonance energy transfer to solve the problem of creating the internal light sources in photodynamic therapy of cancer. Energy donor in the developed system is the oxidized form of the luciferase NanoLuc substrate furimamide, and acceptor is the phototoxic fluorescent protein miniSOG. It is shown that, in the proposed system, the photoinduced cytotoxicity of flavoprotein miniSOG in vitro depends on the intracellular localization, and the cytotoxic effect is 48% for the cytoplasmic localization of the fusion protein, 65% for the mitochondrial localization, and 69% for the membrane localization...
May 2017: Doklady. Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28725980/prenatal-diagnosis-of-premature-constriction-of-the-ductus-arteriosus-with-tricuspid-papillary-muscle-rupture-a-case-report
#11
Ayako Inatomi, Jun Sasahara, Keisuke Ishii, Mistuda Nobuaki
We describe the case of a neonate who was prenatally diagnosed at a gestational age of 36 weeks with premature constriction of the ductus arteriosus. Blood from the thin ductus arteriosus flowed toward the pulmonary artery. Severe tricuspid regurgitation was also observed. We subsequently confirmed rupture of the tricuspid papillary muscle after birth. Cardiotonic drugs and nitric oxide were administered immediately at birth for pulmonary hypertension, and this therapy was continued until the seventh postnatal day...
July 19, 2017: Journal of Medical Ultrasonics
https://www.readbyqxmd.com/read/28725570/enzyme-activities-of-%C3%AE-glucosidase-in-japanese-neonates-with-pseudodeficiency-alleles
#12
Ryuichi Mashima, Torayuki Okuyama
Lysosomal storage disorders (LSDs) are caused by defective enzyme activities in lysosomes, characterized by the accumulation of sphingolipids, glycolipids, oligosaccharides, mucopolysaccharides, the oxidation products of cholesterol, and other biological substances. A growing number of clinical studies have suggested the enhanced efficacy of existing therapies, including enzyme replacement therapy, which is effective when it is initiated during the presymptomatic period. Thus, the identification of disease-affected individuals by newborn screening has been considered an effective platform...
September 2017: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/28725111/oxidative-stress-and-food-supplementation-with-antioxidants-in-therapy-dogs
#13
Sara Sechi, Filippo Fiore, Francesca Chiavolelli, Corrado Dimauro, Anna Nudda, Raffaella Cocco
The objective of this study was to evaluate the ability of a long-term antioxidant-supplemented diet to regulate the oxidative stress and general health status of dogs involved in animal-assisted intervention (AAI) programs. Oxidative stress is a consequence of the accumulation of reactive oxygen species (ROS). Exercise-induced oxidative stress can increase muscle fatigue and fiber damage and eventually leads to impairment of the immune system. A randomized, placebo-controlled, crossover clinical evaluation was conducted with 11 healthy therapy dogs: 6 females and 5 males of different breeds and with a mean age of 2...
July 2017: Canadian Journal of Veterinary Research, Revue Canadienne de Recherche Vétérinaire
https://www.readbyqxmd.com/read/28723625/2-acetylamino-3-4-2-acetylamino-2-carboxyethylsulfanylcarbonylamino-phenyl-carbamoylsulfanyl-propionic-acid-a-glutathione-reductase-inhibitor-induces-g2-m-cell-cycle-arrest-through-generation-of-thiol-oxidative-stress-in-human-esophageal-cancer-cells
#14
Xia Li, Zhiming Jiang, Jianguo Feng, Xiaoying Zhang, Junzhou Wu, Wei Chen
Esophageal squamous cell carcinoma (ESCC) is a highly malignant cancer with poor response to both of chemotherapy and radiotherapy. 2-Acetylamino-3-[4-(2-acetylamino-2-carboxyethylsulfanylcarbonylamino) phenyl carbamoylsulfanyl] propionic acid (2-AAPA), an irreversible inhibitor of glutathione reductase (GR), is able to induce intracellular oxidative stress, and has shown anticancer activity in many cancer cell lines. In this study, we investigated the effects of 2-AAPA on the cell proliferation, cell cycle and apoptosis and aimed to explore its mechanism of action in human esophageal cancer TE-13 cells...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28721811/moving-to-the-rhythm-with-clock-circadian-genes-autophagy-mtor-and-sirt1-in-degenerative-disease-and-cancer
#15
Kenneth Maiese
BACKGROUND: The mammalian circadian clock and its associated clock genes are increasingly be recognized as critical components for a number of physiological and disease processes that extend beyond hormone release, thermal regulation, and sleep-wake cycles. New evidence suggests that clinical behavior disruptions that involve prolonged shift work and even space travel may negatively impact circadian rhythm and lead to multi-system disease. METHODS: In light of the significant role circadian rhythm can hold over the body's normal physiology as well as disease processes, we examined and discussed the impact circadian rhythm and clock genes hold over lifespan, neurodegenerative disorders, and tumorigenesis...
July 17, 2017: Current Neurovascular Research
https://www.readbyqxmd.com/read/28720839/effect-of-head-group-and-lipid-tail-oxidation-in-the-cell-membrane-revealed-through-integrated-simulations-and-experiments
#16
M Yusupov, K Wende, S Kupsch, E C Neyts, S Reuter, A Bogaerts
We report on multi-level atomistic simulations for the interaction of reactive oxygen species (ROS) with the head groups of the phospholipid bilayer, and the subsequent effect of head group and lipid tail oxidation on the structural and dynamic properties of the cell membrane. Our simulations are validated by experiments using a cold atmospheric plasma as external ROS source. We found that plasma treatment leads to a slight initial rise in membrane rigidity, followed by a strong and persistent increase in fluidity, indicating a drop in lipid order...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28720371/genetic-risk-factors-for-idiopathic-urolithiasis-a-systematic-review-of-the-literature-and-causal-network-analysis
#17
REVIEW
Kazumi Taguchi, Takahiro Yasui, Dawn Schmautz Milliner, Bernd Hoppe, Thomas Chi
CONTEXT: Urolithiasis has a high prevalence and recurrence rate. Prevention is key to patient management, but risk stratification is challenging. In particular, genetic predisposition for urinary stones is not fully understood. OBJECTIVE: To review current evidence of potential causative genes for idiopathic urolithiasis and map their relationships to one another. This evidence is essential for future establishment of molecular targeted therapy. EVIDENCE ACQUISITION: A systematic literature review from 2007 to 2017 was performed in accordance with the Preferred Reporting Items for Systematic Review and Meta-analyses guidelines...
February 2017: European Urology Focus
https://www.readbyqxmd.com/read/28719912/crocin-protects-podocytes-against-oxidative-stress-and-inflammation-induced-by-high-glucose-through-inhibition-of-nf-%C3%AE%C2%BAb
#18
Sutong Li, Xiaoxia Liu, Jie Lei, Junle Yang, Puxun Tian, Yi Gao
BACKGROUND/AIMS: Diabetic nephropathy (DN) is a microangiopathic disease characterized by excessive urinary albumin excretion, which occurs in 30% of patients with diabetes mellitus. It is the second leading cause of end-stage renal diseases in China. Nuclear factor-kappa B (NF-κB) is reported to be closely correlated with the inflammation underlying diabetes-associated renal damage. Crocin, a plant-derived compound, has antioxidant properties that may inhibit NF-κB. METHODS: In the present study, we used a conditionally immortalized mouse podocyte cell line to explore whether crocin could effectively block albuminuria...
July 18, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28719818/insights-into-the-unique-functionality-of-inorganic-micro-nanoparticles-for-versatile-ultrasound-theranostics
#19
REVIEW
Xiaoqin Qian, Xiaoxia Han, Yu Chen
The clinical ultrasound (US)-based theranostic biomedicine suffers from the critical issue that traditional microbubbles (MBs) have lots of drawbacks such as low stability, large particle size, difficult structural control, etc. The unique composition, structure and functionality of inorganic micro/nanoplatforms have shown their great prospect for solving these critical issues and drawbacks of traditional organic MBs. This review summarizes and discusses the state-of-art development on exploring inorganic micro/nanoparticles for versatile US-based biomedical applications, ranging from US imaging, photoacoustic imaging, sonodynamic therapy, high intensity-focused US ablation and US-triggered chemotherapy...
July 11, 2017: Biomaterials
https://www.readbyqxmd.com/read/28719717/audiometry-results-and-teoae-and-dpoae-amplitudes-in-men-taking-a-phosphodiesterase-type-5-inhibitor-for-erectile-dysfunction
#20
Sertan Öntepeli, Nuray Bayar Muluk, Devrim Tuğlu, Timuçin Şipal
We conducted a prospective study of transient evoked otoacoustic emissions (TEOAEs) and distortion-product otoacoustic emissions (DPOAEs) in men who were taking an oral phosphodiesterase type 5 (PDE5) inhibitor for erectile dysfunction. Our study group was made up of 30 men (60 ears), aged 34 to 60 years (mean: 50.9). They were randomly divided into three groups; 10 men were given sildenafil (Viagra) at 50 mg twice a week, 10 were given tadalafil (Cialis) at 20 mg twice a week, and 10 were given vardenafil (Levitra) at 20 mg twice a week...
July 2017: Ear, Nose, & Throat Journal
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