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https://www.readbyqxmd.com/read/29090586/diagnosis-and-treatment-of-myh9-rd-in-an-australasian-cohort-with-thrombocytopenia
#1
David J Rabbolini, Yenna Chun, Maya Latimer, Shinji Kunishima, Kathleen Fixter, Bhavia Valecha, Peter Tan, Lee Ping Chew, Benjamin T Kile, Rachel Burt, Kottayam Radhakrishnan, Robert Bird, Paul Ockelford, Sara Gabrielli, Qiang Chen, William S Stevenson, Christopher M Ward, Marie-Christine Morel-Kopp
MYH9-related disorders (MYH9-RDs) caused by mutation of the MYH9 gene which encodes non-muscle myosin heavy-chain-IIA (NMMHC-IIA), an important motor protein in hemopoietic cells, are the most commonly encountered cause of inherited macrothrombocytopenia. Despite distinguishing features including an autosomal dominant mode of inheritance, giant platelets on the peripheral blood film accompanied by leucocytes with cytoplasmic inclusion bodies (döhle-like bodies), these disorders remain generally under-recognized and often misdiagnosed as immune thrombocytopenia (ITP)...
November 1, 2017: Platelets
https://www.readbyqxmd.com/read/28817266/engineering-multifunctionality-in-hybrid-polyoxometalates-aromatic-sulfonium-octamolybdates-as-excellent-photochromic-materials-and-self-separating-catalysts-for-epoxidation
#2
Ashwani Kumar, Abhishek Kumar Gupta, Manisha Devi, Kenneth E Gonsalves, Chullikkattil P Pradeep
Engineering multifunctionality in hybrid polyoxometalates (hybrid POMs) is an interesting but scarcely explored topic. Herein, we set about engineering two important materials properties, viz., photochromism and self-separating catalysis, in a hybrid POM by modulating the counterion motif. A series of six aromatic sulfonium counterions have been developed on the basis of an aromatic sulfonium counterion motif that allows structural and electronic fine-tuning by changing substituents at multiple locations. Using the aromatic sulfonium counterions and sodium molybdate, six new aromatic sulfonium octamolybdate hybrids (1-6) having formulas (HPDS)4[Mo8O26] (1), (HMPDS)4[Mo8O26] (2), (MPDS)4[Mo8O26] (3), (APDS)4[Mo8O26] (4), (AMPDS)4[Mo8O26] (5), and (MAPDS)4[Mo8O26] (6) (where HPDS = (4-hydroxyphenyl)dimethylsulfonium, HMPDS = (4-hydroxy-2-methylphenyl)dimethylsulfonium, MPDS = (4-methoxyphenyl)dimethylsulfonium, APDS = (4-(allyloxy)phenyl)dimethylsulfonium, AMPDS = (4-(allyloxy)-2-methylphenyl)dimethylsulfonium and MAPDS = (4(methacryloyloxy)phenyl)dimethylsulfonium) have been synthesized, and their structures were confirmed by single crystal X-ray diffraction and ESI-MS analyses...
August 17, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28797996/detection-mutations-of-jak2-exon-12-in-patients-with-jak2-v617f-negative-myeloproliferative-disorders
#3
S Z Makani, N Parsamanesh, S Mirzaahmadi, M Hashemi, F Shaveisi-Zadeh, N Mansouri, M Ghazi, A Movafagh
BACKGROUND: Mutations in exon 12 of JAK2 gene are detected as clonal markers in hematopoietic lineages in myeloproliferative disorders (MPNs). Our aim was, to study the relation between N542-E543del mutation of JAK2 gene and myeloproliferative neoplasms in V617Fnegative patients. PATIENTS AND METHODS: DNA specimen from 34 patients and 44 healthy controls were genotyped using ARMs- PCR method. We analyzed exon 12 JAK2 aberration in 34 myeloproliferative cases to be readily detected by both ARMS-PCR and DNA analysis regardless of whether peripheral blood or bone marrow cells was manipulated as the origin of RNA...
May 2017: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/28783213/bonding-in-heavier-group-14-zero-valent-complexes-a-combined-maximum-probability-domain-and-valence-bond-theory-approach
#4
Jan Turek, Benoît Braïda, Frank De Proft
The bonding in heavier Group 14 zero-valent complexes of a general formula L2 E (E=Si-Pb; L=phosphine, N-heterocyclic and acyclic carbene, cyclic tetrylene and carbon monoxide) is probed by combining valence bond (VB) theory and maximum probability domain (MPD) approaches. All studied complexes are initially evaluated on the basis of the structural parameters and the shape of frontier orbitals revealing a bent structural motif and the presence of two lone pairs at the central E atom. For the VB calculations three resonance structures are suggested, representing the "ylidone", "ylidene" and "bent allene" structures, respectively...
August 7, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28713116/therapeutic-evaluation-of-cervical-dysfunction-in-patients-with-myofascial-pain-dysfunction-syndrome-a-prospective-study
#5
B Smriti Jagdhari, Motwani Mukta, A Golhar Saket, Anil V Golhar
AIM: The aim of this study was to find out the therapeutic correlation between cervical dysfunction and myofascial pain dysfunction syndrome (MPDS). MATERIALS AND METHODS: The study included 46 patients out of which 23 had MPDS with cervical pain (group I), and 23 patients had only MPDS (group II). Detailed history and examination of the patients were carried out, and the factors taken into consideration were pain and tenderness of muscles of mastication and neck muscles, maximum comfortable mouth opening, and cervical range of motion...
July 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28614441/prevalence-and-factors-associated-with-minor-psychiatric-disorders-in-hospital-housekeeping-workers
#6
Cintia da Silva Marconato, Ana Carolina de Souza Magnago, Tânia Solange Bosi de Souza Magnago, Graziele de Lima Dalmolin, Rafaela Andolhe, Juliana Petri Tavares
OBJECTIVE: Investigating the prevalence and factors associated with minor psychiatric disorders (MPDs) in Hospital housekeeping workers. METHOD: A cross-sectional study carried out in 2013 with workers from the cleaning service of a public university hospital in Rio Grande do Sul, Brazil. Data were collected through a form containing sociodemographic, occupational, habits and health variables. The Self-Reporting Questionnaire-20 was used in order to evaluate MPDs...
June 12, 2017: Revista da Escola de Enfermagem da U S P
https://www.readbyqxmd.com/read/28594404/precision-medicine-for-hepatocelluar-carcinoma-using-molecular-pattern-diagnostics-results-from-a-preclinical-pilot-study
#7
Rahul Agarwal, Yuan Cao, Klaus Hoffmeier, Nicolas Krezdorn, Lukas Jost, Alejandro Rodriguez Meisel, Ruth Jüngling, Francesco Dituri, Serena Mancarella, Björn Rotter, Peter Winter, Gianluigi Giannelli
The aim of this study was to design a road map for personalizing cancer therapy in hepatocellular carcinoma (HCC) by using molecular pattern diagnostics. As an exploratory study, we investigated molecular patterns of tissues of two tumors from individual HCC patients, which in previous experiments had shown contrasting reactions to the phase 2 transforming growth factor beta receptor 1 inhibitor galunisertib. Cancer-driving molecular patterns encompass - inter alias - altered transcription profiles and somatic mutations in coding regions differentiating tumors from their respective peritumoral tissues and from each other...
June 8, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28526350/designing-novel-bioconjugates-of-hydroxyethyl-cellulose-and-salicylates-for-potential-pharmaceutical-and-pharmacological-applications
#8
Khawar Abbas, Muhammad Amin, Muhammad Ajaz Hussain, Muhammad Sher, Syed Nasir Abbas Bukhari, Ibrahim Jantan, Kevin J Edgar
This deals with fabrication of macromolecular prodrugs (MPDs) of salicylic acid (SA) and aspirin (ASP) based on a hydrophilic cellulose ether, hydroxyethyl cellulose (HEC). Degrees of substitution (DS) of SA and ASP per HEC repeating unit (HEC-RU) were achieved ranging from 0.60 to 2.18 and 0.53 to1.50, respectively. The amphiphilic HEC-SA conjugate 2 assembled into nanowire-like structures, while HEC-ASP conjugate 6 formed nanoparticles (diameter 300-00nm) at a water/DMSO interface. After oral administration in rabbit models, conjugates 2 and 6 showed plasma half-life of 6...
October 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28259826/medical-management-of-extensive-arterial-thromboembolism-in-a-patient-with-essential-thrombocythemia-and-warfarin-failure
#9
Aisha K Ahmed, Alicia Youssef, Nedaa Skeik
Chronic myeloproliferative disorders share a stem cell-derived clonal myeloproliferation. This group of disorders include essential thrombocythemia (ET), polycythemia vera (PV), chronic myeloid leukemia, and primary myelofibrosis (PMF), with the respective features of thrombocytosis, erythrocytosis, and bone marrow fibrosis. These disorders can be associated with genetic mutations affecting protein tyrosine kinases, resulting in different configurations of abnormal signal transduction. The Janus tyrosine kinase 2 mutation can be used as a key diagnostic tool for diagnosing MPDs, specifically, ET, PV, and PMF...
March 1, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28106225/co-immobilization-of-glucose-oxidase-and-catalase-for-enhancing-the-performance-of-a-membraneless-glucose-biofuel-cell-operated-under-physiological-conditions
#10
Marcelinus Christwardana, Yongjin Chung, Yongchai Kwon
Glucose oxidase (GOx)-catalase co-immobilized catalyst (CNT/PEI/(GOx-Cat)) was synthesized, and its catalytic activity and electrical performance were investigated and compared, whereas the amount of immobilized catalase was optochemically inspected by chemiluminescence (CL) assay. With the characterizations, it was confirmed that the catalase was well immobilized on the CNT/PEI surface, whereas both the GOx and catalase play their roles well in the catalyst. According to the measurements of the current density peak of the flavin adenine dinucleotide (FAD) redox reaction, electron transfer rate, Michaelis-Menten constants and sensitivity, CNT/PEI/(GOx-Cat) shows the best values, and this is attributed to the excellent catalytic activity of GOx and the H2O2 decomposition capability of the catalase...
January 20, 2017: Nanoscale
https://www.readbyqxmd.com/read/28095653/efficacy-of-korean-multipurpose-contact-lens-disinfecting-solutions-against-acanthamoeba-castellanii
#11
Eun-Kyung Moon, Hye-Ryun Park, Fu-Shi Quan, Hyun-Hee Kong
Acanthamoeba keratitis has been increasing in recent years. Main risk factors are contact lens wear and their cleaning solutions. Most contact lens wearers use multipurpose disinfecting solutions (MPDS) for cleansing and disinfecting microorganisms because of its convenience. We determined amoebicidal effects of MPDS made in Korea and their cytotoxicity on human corneal epithelium cells. Fifteen commercial MPDS (A to O) were tested for their amoebicidal effects on Acanthamoeba castellanii trophozoites and cysts by using a most probable number (MPN) technique...
December 2016: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/27892526/comprehensive-gene-expression-meta-analysis-and-integrated-bioinformatic-approaches-reveal-shared-signatures-between-thrombosis-and-myeloproliferative-disorders
#12
Prabhash Kumar Jha, Aatira Vijay, Anita Sahu, Mohammad Zahid Ashraf
Thrombosis is a leading cause of morbidity and mortality in patients with myeloproliferative disorders (MPDs), particularly polycythemia vera (PV) and essential thrombocythemia (ET). Despite the attempts to establish a link between them, the shared biological mechanisms are yet to be characterized. An integrated gene expression meta-analysis of five independent publicly available microarray data of the three diseases was conducted to identify shared gene expression signatures and overlapping biological processes...
November 28, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27822631/pancreatic-duct-involvement-in-well-differentiated-neuroendocrine-tumors-is-an-independent-poor-prognostic-factor
#13
Yoshihide Nanno, Ippei Matsumoto, Yoh Zen, Kyoko Otani, Jun Uemura, Hirochika Toyama, Sadaki Asari, Tadahiro Goto, Tetsuo Ajiki, Keiichi Okano, Yasuyuki Suzuki, Yoshifumi Takeyama, Takumi Fukumoto, Yonson Ku
BACKGROUND: The biological behavior of well-differentiated neuroendocrine tumors of the pancreas (PNETs) is difficult to predict. This study was designed to determine whether involvement of the main pancreatic duct (MPD) serves as a poor prognostic factor for PNETs. METHODS: The involvement of the MPD in PNETs was defined as ductal stenosis inside the tumor mass associated with distal MPDs more than twofold larger in diameter than the proximal ducts. We examined the correlation between MPD involvement and other clinicopathological parameters, including nodal metastasis and recurrence-free survival, in 101 patients treated consecutively at three referral centers in Japan...
November 7, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27739409/quantitative-assessment-of-provability-of-radiation-related-cancers-considering-unavoidable-existence-of-unadjusted-risk-factors
#14
H Ogino, Y Fujimichi, M Sasaki, N Hamada, T Iwasaki, K Yoshida, T Hattori
The attribution of stochastic effects to exposure to ionizing radiation has been qualitatively discussed by introducing two distinct concepts of provability and probability. This study aims to develop a method of quantitatively assessing the provability of radiation-related cancers. To this end, the 'minimum provable dose' (MPD) was developed and applied to actual cancer mortality in Japan. The background lifetime risk of cancer mortality was calculated for the esophagus, stomach, colon, liver, lungs, skin, breasts, ovaries, bladder, and bone marrow as well as the age-specific risk coefficients reproducing those given in the 2007 Recommendations of the International Commission on Radiological Protection (ICRP)...
December 2016: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/27348228/dispatcher-stroke-recognition-using-a-stroke-screening-tool-a-systematic-review
#15
John Adam Oostema, Trevor Carle, Nadine Talia, Mathew Reeves
BACKGROUND: Emergency dispatchers represent the first point of contact for patients activating an acute stroke response. Accurate dispatcher stroke recognition is associated with faster emergency medical services response time; however, stroke is often unrecognized during initial emergency calls. Stroke screening tools such as the Cincinnati Prehospital Stroke Scale have been shown to improve on-scene stroke recognition and thus have been proposed as a means to improve dispatcher accuracy...
2016: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/27330698/low-level-laser-therapy-versus-pharmacotherapy-in-improving-myofascial-pain-disorder-syndrome
#16
Hamid Reza Khalighi, Hamed Mortazavi, Seyed Masoud Mojahedi, Saranaz Azari-Marhabi, Faranak Moradi Abbasabadi
INTRODUCTION: Temporomandibular disorders (TMD) lead to masticatory muscle pain, jaw movement disability and limitation in mouth opening. Pain is the chief complaint in 90% of the TMD patients which leads to disability and severe socioeconomic costs. The purpose of this study was to evaluate the therapeutic effects of low level laser therapy (LLLT) compared to pharmacotherapy with NSAIDs (naproxen) in myofascial pain disorder syndrome (MPDS). METHODS: In this randomized controlled clinical trial, 40 MPDS patients were divided into two groups...
2016: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/27256173/predictive-ability-of-an-emergency-medical-dispatch-stroke-diagnostic-tool-in-identifying-hospital-confirmed-strokes
#17
Jeff J Clawson, Greg Scott, Isabel Gardett, Scott Youngquist, Peter Taillac, Conrad Fivaz, Christopher Olola
BACKGROUND: Early hospital notification of a possible stroke arriving via emergency medical services (EMS) can prepare stroke center personnel for timely treatment, especially timely administration of tissue plasminogen activator. Stroke center notification from the emergency dispatch center-before responders reach the scene-may promote even earlier and faster system activation, meaning that stroke center teams may be ready to receive patients as soon as the ambulance arrives. This study evaluates the use of a Medical Priority Dispatch System (MPDS; Priority Dispatch Corp...
August 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/27174785/k-ras-v14i-induced-noonan-syndrome-predisposes-to-tumour-development-in-mice
#18
Isabel Hernández-Porras, Alberto J Schuhmacher, Raquel Garcia-Medina, Beatriz Jiménez, Marta Cañamero, Alba de Martino, Carmen Guerra
The Noonan syndrome (NS) is an autosomal dominant genetic disorder characterized by short stature, craniofacial dysmorphism, and congenital heart defects. A significant proportion of NS patients may also develop myeloproliferative disorders (MPDs), including juvenile myelomonocytic leukaemia (JMML). Surprisingly, scarce information is available in relation to other tumour types in these patients. We have previously developed and characterized a knock-in mouse model that carries one of the most frequent KRAS-NS-related mutations, the K-Ras(V14I) substitution, which recapitulates most of the alterations described in NS patients, including MPDs...
June 2016: Journal of Pathology
https://www.readbyqxmd.com/read/27010144/early-blood-purification-therapy-of-severe-acute-pancreatitis-complicated-by-acute-lung-injury
#19
RANDOMIZED CONTROLLED TRIAL
H Guo, D-W Suo, H-P Zhu, X-M Sun, J Chen
OBJECTIVE: Severe acute pancreatitis (SAP) can often be complicated by acute lung injury (ALI) and acute respiratory distress syndrome (ARDS), leading to increased mortality. Early blood purification clears inflammatory cytokines and promotes immune function recovery. Here we evaluated the usefulness of this therapy in SAP complicated by ALI. PATIENTS AND METHODS: 32 patients received routine treatment (control group), whereas other 32 patients received routine treatment and early blood purification therapy (study group)...
March 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/26874371/effect-of-the-osmolarity-change-in-multipurpose-solutions-induced-by-an-improper-contact-lens-case-cleaning-procedure
#20
RANDOMIZED CONTROLLED TRIAL
José Pinto-Fraga, Antonio Abengózar-Vela, Alberto López-Miguel, Vicente Martín-Montañéz, Alberto López de la Rosa, María J González-García
PURPOSE: To determine whether variations in multipurpose disinfecting solution (MPDS) storage osmolarity from inappropriate contact lens (CL) case cleaning affect ocular surface integrity and wearer comfort. METHODS: There were twenty contact lens cases (study CLCs) in the study group. Ten were filled with ReNu Multiplus(®) and 10 with SoloCare Aqua™ (MPDS-1 and -2, respectively) and kept closed for 8h; the cases were then emptied and kept open for air-drying for 16h...
June 2016: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
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