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https://www.readbyqxmd.com/read/29783234/-myocardial-bridge-as-the-only-cause-of-acute-coronary-syndrome-among-the-young-patients
#1
Liudmila O Miakinkova, Yurii V Teslenko, Irina V Tsyhanenko
OBJECTIVE: Introduction: Myocardial bridge is an inborn anomaly of coronary artery development, when a part of it is submerged in a myocard, which is pressing the coronary artery to a systola and restrains coronary blood circulation. Generally this feature of coronary blood circulation does not cause any clinical symptoms because the 85% of coronary blood stream of the left ventricle is provided by diastolic filling. Hemodynamic changes in atherosclerosis, tahicardie, hypertrophie of myocard are leading to the manifestation of clinical symptoms of ischemia...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29782857/quaternary-ammonium-salt-of-u50-488h-elicits-protective-effects-against-hypoxic-pulmonary-hypertension
#2
Yaguang Zhou, Xin Tian, Xueying Wang, Yuanbo Wang, Rong Fan, Yuemin Wang, Na Feng, Shumiao Zhang, Haitao Guo, Xiaoming Gu, Min Jia, Wen Yin, Zuoxu Hou, Juan Li, Jianming Pei
The present study aimed to investigate the role of quaternary ammonium salt of U50,488H (Q-U50,488H) in hypoxic pulmonary hypertension (HPH) and underlying mechanisms involved. A HPH animal model was established in rats under hypoxia and the mean pulmonary arterial pressure (mPAP) and right ventricular pressure (RVP) were measured. Relaxation of the pulmonary artery in response to Q-U50,488H was determined. In addition, expression and activity of endothelial nitric oxide (NO) synthase (eNOS) and inducible NO synthase (iNOS) with NO content, Akt expression, total antioxidant capacity (T-AOC), and gp91phox were evaluated...
May 18, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29781788/a-review-of-the-reliability-of-biomechanical-variables-produced-during-the-isometric-mid-thigh-pull-and-isometric-squat-and-the-reporting-of-normative-data
#3
Claire J Brady, Andrew J Harrison, Thomas M Comyns
The use of isometric strength testing, particularly the isometric mid-thigh pull (IMTP) has increased dramatically over the last decade. The IMTP and isometric squat (ISqT) provide one aspect of performance monitoring with variables such as peak force and rate of force development being derived from the force-time curve. The reliability of some of these variables is conflicting in the literature, and the reporting of the reliability is not standardised across the research. The majority of research only reports intraclass correlation coefficients with very few studies reporting coefficient of variation and 90% confidence intervals...
May 21, 2018: Sports Biomechanics
https://www.readbyqxmd.com/read/29780644/spindle-cell-hemangioma-in-the-mucosa-of-the-upper-lip-a-case-report-and-review-of-the-literature
#4
Kazuhiro Murakami, Kazuhiko Yamamoto, Tsutomu Sugiura, Tadaaki Kirita
Spindle cell hemangioma (SCH) is a unique benign vascular lesion. We present a case of SCH in the upper lip of a 41-year-old woman. A submucosal nodular mass 30 × 20 mm in size was observed in the left upper lip. The mass developed 5 years earlier and enlarged after repeated ethanol injections. The mass was elastic firm, mobile, bluish in color, and well demarcated in magnetic resonance imaging. Under the clinical diagnosis of hemangioma, surgical excision was performed under local anesthesia. Microscopically, the lesion was composed of irregular cavernous spaces and multiple solid cellular areas...
2018: Case Reports in Dentistry
https://www.readbyqxmd.com/read/29780355/therapeutic-interference-with-vascular-calcification-lessons-from-klotho-hypomorphic-mice-and-beyond
#5
REVIEW
Florian Lang, Christina Leibrock, Lisann Pelzl, Meinrad Gawaz, Burkert Pieske, Ioana Alesutan, Jakob Voelkl
Medial vascular calcification, a major pathophysiological process associated with cardiovascular disease and mortality, involves osteo-/chondrogenic transdifferentiation of vascular smooth muscle cells (VSMCs). In chronic kidney disease (CKD), osteo-/chondrogenic transdifferentiation of VSMCs and, thus, vascular calcification is mainly driven by hyperphosphatemia, resulting from impaired elimination of phosphate by the diseased kidneys. Hyperphosphatemia with subsequent vascular calcification is a hallmark of klotho-hypomorphic mice, which are characterized by rapid development of multiple age-related disorders and early death...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29780145/reversible-cognitive-dysfunction-in-elderly-onset-systemic-lupus-erythematosus-successfully-treated-with-aggressive-immunosuppressive-therapy
#6
Yuya Fujita, Shoichi Fukui, Midori Ishida, Yushiro Endo, Sosuke Tsuji, Ayuko Takatani, Takashi Igawa, Toshimasa Shimizu, Masataka Umeda, Remi Sumiyoshi, Ayako Nishino, Tomohiro Koga, Shin-Ya Kawashiri, Naoki Iwamoto, Kunihiro Ichinose, Mami Tamai, Hideki Nakamura, Tomoki Origuchi, Atsushi Kawakami
A 70-year-old Japanese woman presented to our hospital with gait disturbance and cognitive dysfunction. Since she had arthritis, leukocytopenia, thrombocytopenia, hypocomplementemia, and anti-nuclear and anti-double-stranded DNA antibodies, she was diagnosed with systemic lupus erythematosus (SLE). T2-weighted magnetic resonance imaging revealed bilateral hyperintensities in the putamen. Based on her cognitive impairment, muscle rigidity, and high levels of interleukin-6 in the cerebrospinal fluid, we believed she had developed a complication of a neuropsychiatric disease and administered corticosteroids and intravenous cyclophosphamide therapy...
May 18, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29779842/a-cost-effectiveness-modeling-study-of-robot-assisted-rarc-versus-open-radical-cystectomy-orc-for-bladder-cancer-to-inform-future-research
#7
Charlotte T J Michels, Carl J Wijburg, Erik Leijte, J Alfred Witjes, Maroeska M Rovers, Janneke P C Grutters
BACKGROUND: Open radical cystectomy (ORC) is regarded the standard treatment for muscle-invasive bladder cancer, but robot-assisted radical cystectomy (RARC) is increasingly used in practice. However, it is unclear whether RARC provides value for money. OBJECTIVE: To identify the main evidence gaps and main drivers of cost-effectiveness, comparing RARC to ORC. DESIGN, SETTING, AND PARTICIPANTS: A decision analytical model was developed to study the 30d and 90d postoperative complications with RARC versus ORC and their related cost in bladder cancer patients...
May 18, 2018: European Urology Focus
https://www.readbyqxmd.com/read/29779683/strabismus-strabismus-surgery-and-reoperation-rate-in-the-united-states-analysis-from-the-iris-registry
#8
Michael X Repka, Flora Lum, Bhavya Burugapalli
PURPOSE: To describe the rates of strabismus, strabismus surgery, and strabismus surgery reoperations among all age groups in the United States. DESIGN: Retrospective analysis of electronic health record data. PARTICIPANTS: Patients from the IRIS (Intelligent Research in Sight) Registry. METHODS: Description of the types and rates of strabismus and strabismus surgery from 2013 to 2016 with subgroups by age, sex, race/ethnicity, and region of the United States...
May 17, 2018: Ophthalmology
https://www.readbyqxmd.com/read/29779031/a-novel-ex-vivo-mouse-mesometrium-culture-model-for-investigating-angiogenesis-in-microvascular-networks
#9
Ariana D Suarez-Martinez, Susanne Bierschenk, Katie Huang, Dana Kaplan, Carolyn L Bayer, Stryder M Meadows, Markus Sperandio, Walter L Murfee
BACKGROUND: The development of models that incorporate intact microvascular networks enables the investigation of multicellular dynamics during angiogenesis. Our laboratory introduced the rat mesentery culture model as such a tool, which would be enhanced with mouse tissue. Since mouse mesentery is avascular, an alternative is mouse mesometrium, the connective tissue of uterine horns. The study's objective was to demonstrate that mouse mesometrium contains microvascular networks that can be cultured to investigate multicellular dynamics during angiogenesis...
May 18, 2018: Journal of Vascular Research
https://www.readbyqxmd.com/read/29779002/developing-a-testing-battery-for-measuring-dogs-stifle-functionality-the-finnish-canine-stifle-index-fcsi
#10
Heli K Hyytiäinen, Sari H Mölsä, Jouni J T Junnila, Outi M Laitinen-Vapaavuori, Anna K Hielm-Björkman
This study aimed at developing a quantitative testing battery for dogs' stifle functionality, as, unlike in human medicine, currently none is available in the veterinary field. Forty-three dogs with surgically treated unilateral cranial cruciate ligament rupture and 21 dogs with no known musculoskeletal problems were included. Eight previously studied tests: compensation in sitting and lying positions, symmetry of thrust in hindlimbs when rising from lying and sitting, static weight bearing, stifle flexion and extension and muscle mass symmetry, were summed into the Finnish Canine Stifle Index (FCSI)...
May 19, 2018: Veterinary Record
https://www.readbyqxmd.com/read/29778688/molecular-basis-of-diseases-caused-by-the-mtdna-mutation-m-8969g-a-in-the-subunit-a-of-atp-synthase
#11
Natalia Skoczeń, Alain Dautant, Krystyna Binko, François Godard, Marine Bouhier, Xin Su, Jean-Paul Lasserre, Marie-France Giraud, Déborah Tribouillard-Tanvier, Huimei Chen, Jean-Paul di Rago, Roza Kucharczyk
The ATP synthase which provides aerobic eukaryotes with ATP, organizes into a membrane-extrinsic catalytic domain, where ATP is generated, and a membrane-embedded FO domain that shuttles protons across the membrane. We previously identified a mutation in the mitochondrial MT-ATP6 gene (m.8969G>A) in a 14-year-old Chinese female who developed an isolated nephropathy followed by brain and muscle problems. This mutation replaces a highly conserved serine residue into asparagine at amino acid position 148 of the membrane-embedded subunit a of ATP synthase...
May 17, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29778537/a-new-indanedione-derivative-alleviates-symptoms-of-diabetes-by-modulating-rage-nf-kappab-pathway-in-db-db-mice
#12
Gulnaz Khan, Meha Fatima Aftab, Bilquees Bano, Khalid Mohammed Khan, Munazza Murtaza, Sonia Siddiqui, M Hafizur Rehman, Rizwana Sanaullah Waraich
Accumulating evidence indicates that a number of tissues are damaged due to build-up of abnormal amount of Advanced Glycation End products (AGEs) in several diseases including diabetes. Currently AGE inhibitors are scarce in clinical use indicating a need for development of new anti-AGE agents. The aim of the current study is to identify the new AGE inhibitors and to decipher their mechanism of action for alleviating symptoms of diabetes in mice. Among several derivatives, one of the derivatives of indanedione, IDD-24 demonstrated highest inhibition of AGE formation and AGE mediated reactive oxygen species production in HepG-2 and mature 3T3-L1 adipocytes...
May 17, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29778285/subcutaneous-tissue-metastasis-from-glioblastoma-multiforme-a-case-report-and-review-of-the-literature
#13
Natalia Frade Porto, Juan Delgado Fernández, María de Los Ángeles García Pallero, Juan Ramón Penanes Cuesta, Paloma Pulido Rivas, Ricardo Gil Simoes
Glioblastoma multiforme is the most common primary brain tumor, despite an aggressive clinical course, less than 2% of patients develop extraneural metastasis. We present a 72-year-old male diagnosed with a right temporal glioblastoma due to headache. He underwent total gross resection surgery and after that the patient was treated with adyuvant therapy. Five months after the patient returned with trigeminal neuralgia, and MRI showed an infratemporal cranial mass which infiltrates masticator space, the surrounding bone, the temporal muscle and superior cervical and parotid lymph nodes...
May 16, 2018: Neurocirugía
https://www.readbyqxmd.com/read/29778279/outcomes-after-surgical-resection-of-lower-eyelid-tumors-and-reconstruction-using-a-nasal-chondromucosal-graft-and-an-upper-eyelid-myocutaneous-flap
#14
S Lemaître, C Lévy-Gabriel, L Desjardins, M González-Candial, S Gardrat, R Dendale, N Cassoux, B Couturaud
INTRODUCTION: Surgical excision of large malignant lower eyelid tumors may cause important full-thickness eyelid defects. The reconstruction of such defects must restore the physiologic function of the eyelid and also re-establish an acceptable aesthetic result. MATERIALS AND METHODS: We report the outcomes of full-thickness excision of tumors extending over half of the horizontal lid length, followed by reconstruction using a nasal chondromucosal graft (coming from the ipsilateral ala of the nose) and an upper eyelid myocutaneous flap...
May 16, 2018: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29777903/sox9-is-increased-in-arterial-plaque-and-stenosis-associated-with-synthetic-phenotype-of-vascular-smooth-muscle-cells-and-causes-alterations-in-extracellular-matrix-and-calcification
#15
Antje Augstein, Johannes Mierke, David M Poitz, Ruth H Strasser
Vascular smooth muscle cells (VSMC) exhibit a dual role in progression and maintenance of arteriosclerosis. They are fundamental for plaque stability but also can drive plaque progression. During pathogenic vascular remodeling, VSMC transdifferentiate into a phenotype with enhanced proliferation and migration. Moreover, they exert an increased capacity to generate extracellular matrix proteins. A special lineage of transdifferentiated VSMC expresses Sox9, a multi-functional transcription factor. The aim of the study was to examine the role of Sox9 in phenotypic alterations leading to arteriosclerosis...
May 16, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29777629/mechanisms-of-metformin-action-in-and-out-of-the-gut
#16
EDITORIAL
Takahiro Minamii, Munenobu Nogami, Wataru Ogawa
One hundred years have passed since guanidine, a precursor compound of biguanides and thus of metformin, was found to have a glucose-lowering effect in live animals1 . In this historical study, C. K. Watanabe1 did not set out to identify glucose-lowering agents but rather to understand the mechanism underlying the development of tetany in animals that have undergone parathyroidectomy. Watanabe 1 concluded that guanidine is a pathogenic factor responsible for tetany because its administration in rabbits resulted in "tetany-like" muscle cramps associated with low blood glucose levels...
May 19, 2018: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/29777169/difructose-dianhydride-improves-intestinal-calcium-absorption-wound-healing-and-barrier-function
#17
Sang In Lee, In Ho Kim
The gastrointestinal tract (GIT) is critical for nutrient absorption and is an important barrier against harmful pathogens and antigens. Difructose anhydrides (DFA)-IVs are nondigestible disaccharides that enhance calcium and iron absorption by affecting the intestinal epithelial tissue. However, their effects on intestinal functions are not fully understood. In this study, we performed a feeding trial and found that dietary DFA-IVs improved growth performance, relative breast muscle and liver weight, and digestibility and blood calcium and iron concentrations in broilers...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29777089/human-plasma-and-serum-extracellular-small-rna-reference-profiles-and-their-clinical-utility
#18
Klaas E A Max, Karl Bertram, Kemal Marc Akat, Kimberly A Bogardus, Jenny Li, Pavel Morozov, Iddo Z Ben-Dov, Xin Li, Zachary R Weiss, Azadeh Azizian, Anuoluwapo Sopeyin, Thomas G Diacovo, Catherine Adamidi, Zev Williams, Thomas Tuschl
Circulating extracellular RNAs (exRNAs) have the potential to serve as biomarkers for a wide range of medical conditions. However, limitations in existing exRNA isolation methods and a lack of knowledge on parameters affecting exRNA variability in human samples may hinder their successful discovery and clinical implementation. Using combinations of denaturants, reducing agents, proteolysis, and revised organic extraction, we developed an automated, high-throughput approach for recovery of exRNAs and exDNA from the same biofluid sample...
May 18, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29776601/echo-intensity-versus-muscle-function-correlations-in-older-adults-are-influenced-by-subcutaneous-fat-thickness
#19
Matt S Stock, Morgan Whitson, Adam M Burton, Nicole T Dawson, Eric J Sobolewski, Brennan J Thompson
Recently, an equation that allows investigators to correct echo intensity for subcutaneous fat was developed. We evaluated correlations between uncorrected and corrected echo intensity versus measures of lower-extremity function. Twenty-three older adults (11 men, 12 women; mean age = 72 y) participated. B-Mode ultrasonography was used to quantify rectus femoris echo intensity and subcutaneous fat thickness. Knee extensor isometric peak torque and rate of torque development at 200 ms (RTD200) were determined (joint angle = 90°)...
May 15, 2018: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29776378/differential-induction-of-mutant-sod1-misfolding-and-aggregation-by-tau-and-%C3%AE-synuclein-pathology
#20
Michael C Pace, Guilian Xu, Susan Fromholt, John Howard, Benoit I Giasson, Jada Lewis, David R Borchelt
BACKGROUND: Prior studies in C. elegans demonstrated that the expression of aggregation-prone polyglutamine proteins in muscle wall cells compromised the folding of co-expressed temperature-sensitive proteins, prompting interest in whether the accumulation of a misfolded protein in pathologic features of human neurodegenerative disease burdens cellular proteostatic machinery in a manner that impairs the folding of other cellular proteins. METHODS: Mice expressing high levels of mutant forms of tau and α-synuclein (αSyn), which develop inclusion pathologies of the mutant protein in brain and spinal cord, were crossed to mice expressing low levels of mutant superoxide dismutase 1 fused to yellow fluorescent protein (G85R-SOD1:YFP) for aging and neuropathological evaluation...
May 18, 2018: Molecular Neurodegeneration
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