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https://www.readbyqxmd.com/read/28340226/chronic-total-occlusion-a-black-box
#1
I Akin, M Borggrefe
No abstract text is available yet for this article.
March 18, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28340038/coincidental-coronary-artery-disease-impairs-outcome-in-patients-with-takotsubo-cardiomyopathy
#2
V Bill, I El-Battrawy, K Schramm, U Ansari, U Hoffmann, D Haghi, J Kuschyk, M Borggrefe, I Akin
Background and aim: Takotsubo cardiomyopathy (TC) is an important differential diagnosis of coronary artery disease (CAD), mimicking acute coronary syndrome in clinical symptoms, biomarker profiles and ST-elevation in ECG. Absence of occlusive coronary disease is an essential criterion distinguishing both diseases. The aim of the study was to explore the influence of co-existing incidental CAD on poorer clinical outcomes and all-cause mortality in TC. Design, methods and results: Our mono-centric study cohort constituted 114 consecutive patients diagnosed with TC between 2003 and 2015...
March 14, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/28339630/mr-tractography-in-short-lasting-unilateral-neuralgiform-headache-attacks-with-conjunctival-injection-and-tearing-sunct-patients-case-reports
#3
Ozlem Coskun, Murat Ucar, Doga Vuralli, Funuzar Yildirim, Rumeysa Cetinkaya, Suna Akin Takmaz, Serap Ucler
Background. : Short-lasting unilateral neuralgiform headache attack with conjunctival injection and tearing (SUNCT) is one of the trigeminal autonomic cephalalgias where neurovascular compression was detected in neuroimaging in recent years. Case. : We report two cases, a 52-year-old adult and a 69-year-old elderly patient with short-lasting and recurrent headache combined with cranial autonomic features. Diffusion tensor imaging (DTI) and magnetic resonance (MR) tractography of both patients outlined structural changes of the trigeminal nerve revealing neurovascular compression...
February 11, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28335016/trna-derived-small-rnas-target-transposable-element-transcripts
#4
German Martinez, Sarah G Choudury, R Keith Slotkin
tRNA-derived RNA fragments (tRFs) are 18-26 nucleotide small RNAs that are not random degradation products, but are rather specifically cleaved from mature tRNA transcripts. Abundant in stressed or viral-infected cells, the function and potential targets of tRFs are not known. We identified that in the unstressed wild-type male gamete containing pollen of flowering plants, and analogous reproductive structure in non-flowering plant species, tRFs accumulate to high levels. In the reference plant Arabidopsis thaliana, tRFs are processed by Dicer-like 1 and incorporated into Argonaute1 (AGO1), akin to a microRNA...
February 21, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28331748/diagnostic-value-of-diffusion-weighted-imaging-and-apparent-diffusion-coefficient-values-in-the-differentiation-of-breast-lesions-histpathologic-subgroups-and-correlat%C3%A4-on-with-prognost%C3%A4-c-factors-using-3-0-tesla-mr
#5
Yasin Akın, M Ümit Uğurlu, Handan Kaya, Erkin Arıbal
OBJECTIVE: The aim of this study was to evaluate the effect of the apparent diffusion coefficient (ADC) and diffusion-weighted imaging in differentiating benign from malignant breast lesions, histopathologic subtypes of breast tumors, and to find a correlation with prognostic factors using 3T MR. MATERIALS AND METHODS: A total of 165 patients aged between 16 and 78 years with 181 histopathologically-verifed breast lesions were enrolled in this study. A 3T MR system and bilateral phased array breast coil was used...
July 2016: J Breast Health (2013)
https://www.readbyqxmd.com/read/28331494/an-approach-to-macroscopic-central-lymph-nodes-detected-during-surgery-in-patients-with-thyroid-micropapillary-carcinoma-should-we-resort-to-dissection
#6
Osman Kurukahvecioglu, Kursat Dikmen, Hasan Bostanci, Murat Akin, Ferit Taneri
Background. High-resolution ultrasonography and the ability to perform fine-needle aspiration biopsy even for nodules smaller than three millimeters have considerably increased the detection rate of thyroid micropapillary carcinoma (TMPC). Despite favorable prognosis, the prevalence of cervical lymph node metastases in patients with TMPC is approximately 30%. Aim. In this study, we aimed to determine the central lymph node metastasis rate and its relation to the characteristics of the tumor. Methods. One hundred nine patients who underwent surgery due to TMPC between December 2009 and January 2014 were analyzed retrospectively...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/28329904/-accumulation-of-metformin-associated-lactic-acidosis
#7
Tabea Rüegg, Basil Caduff
Objective Lactic acidosis has been associated with the use of metformin since its introduction. The cause, however, is highly controversial. The incidence of metformin-associated lactic acidosis (MALA) is quoted at 3,0 to 16,7 cases per 100 000 patient-years according to current studies. The link between metformin and lactic acidosis in metformin therapy has been suggested to be causal and therefore, the use of metformin was restricted to type 2 diabetic patients without renal impairment. Recent studies, however, show an acceptable use and no increased incidence of lactic acidosis in chronic mild to moderate renal insufficiency, respectively...
March 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28328529/evaluation-of-vitamin-d-prophylaxis-in-3-36-month-old-infants-and-children
#8
Alper Ozcan, Mustafa Kendirci, Meda Kondolot, Fatih Kardas, Leyla Akın
BACKGROUND: Vitamin D (VD) deficiency (VDD) is still a population-based health problem that affects people at different ages. The aim of this study was to evaluate VD prophylaxis for the prevention of VDD in (3-36)-month-old infants and children. METHODS: Infants and children aged between 3 and 36 months, with different etiologies, admitted to outpatient and inpatient clinics from October 2010 to October 2011 at the Children's Hospital of Erciyes University, were enrolled for the study...
March 22, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28326221/an-extremely-rare-case-of-lower-urinary-tract-symptoms-floating-benign-mesenchymal-mass-in-abdomen
#9
Bulent Kati, Yigit Akin, Eyyup Sabri Pelit, Mehmet Ogur Yilmaz
A 48-year-old man admitted to the urology outpatient clinic with major symptoms of right-side pain and intermittent lower urinary tract symptoms (LUTSs) such as low urine flow rate, dysuria, and frequency. Uroflowmetry showed low urine flow, and laboratory tests revealed no pathology. Ultrasound (US) showed a 7 cm calcific mass above the bladder and a kidney cyst with a diameter of 5.3 cm in the upper pole of the right kidney. Enhanced computed tomography confirmed the US findings. Laparoscopic transperitoneal renal cyst decortication was performed...
2017: Case Reports in Urology
https://www.readbyqxmd.com/read/28323945/coordinated-regulation-among-progesterone-prostaglandins-and-egf-like-factors-in-human-ovulatory-follicles
#10
Yohan Choi, Kalin Wilson, Patrick R Hannon, Katherine L Rosewell, Mats Brännström, James W Akin, Thomas E Curry, Misung Jo
CONTEXT: In animal models, the LH surge increases progesterone (P4)/its receptor (PGR), prostaglandins (PTGs), and epidermal growth factor (EGF)-like factors that play essential roles in ovulation. However, little is known about the expression, regulation, and function of these key ovulatory mediators in humans. OBJECTIVES: To determine when and how these key ovulatory mediators are induced after the luteinizing hormone surge in human ovaries. DESIGN AND PARTICIPANTS: Timed periovulatory follicles were obtained from cycling women...
March 9, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28323754/-it-s-inside-my-body-and-it-s-mine
#11
Elizabeth T Montgomery, Ariane van der Straten, Miria Chitukuta, Krishnaveni Reddy, Kubashni Woeber, Millicent Atujuna, Linda-Gail Bekker, Juliane Etima, Teopista Nakyanzi, Ashley J Mayo, Ariana Katz, Nicole Laborde, Cynthia I Grossman, Lydia Soto-Torres, Thesla Palanee-Phillips, Jared M Baeten
The MTN-020/ASPIRE trial evaluated the safety and effectiveness of the dapivirine vaginal ring for prevention of HIV-1 infection among African women. A nested qualitative component was conducted at 6 of 15 study sites in Uganda, Malawi, Zimbabwe and South Africa to evaluate acceptability of and adherence to the ring. Qualitative study participants (n = 214) were interviewed with one of 3 modalities: single in-depth interview, up to 3 serial interviews, or an exit Focus Group Discussion. Using semi-structured guides administered in local languages, 280 interviews were audio-recorded, transcribed, translated, coded and analyzed...
March 18, 2017: AIDS
https://www.readbyqxmd.com/read/28323325/the-evolution-of-siderophore-production-as-a-competitive-trait
#12
Rene Niehus, Aurore Picot, Nuno M Oliveira, Sara Mitri, Kevin R Foster
Microbes have the potential to be highly cooperative organisms. The archetype of microbial cooperation is often considered to be the secretion of siderophores, molecules scavenging iron, where cooperation is threatened by "cheater" genotypes that use siderophores without making them. Here we show that this view neglects a key piece of biology: siderophores are imported by specific receptors that constrain their use by competing strains. We study the effect of this specificity in an eco-evolutionary model, in which we vary siderophore sharing among strains, and compare fully shared siderophores with private siderophores...
March 21, 2017: Evolution; International Journal of Organic Evolution
https://www.readbyqxmd.com/read/28322862/comparison-of-in-house-biotin-avidin-tetanus-igg-enzyme-linked-immunosorbent-assay-elisa-with-gold-standard-in-vivo-mouse-neutralization-test-for-the-detection-of-low-level-antibodies
#13
Cemile Sonmez, Nilay Çoplu, Ayşegul Gozalan, Lutfu Akin, Berrin Esen
BACKGROUND: Detection of anti-tetanus antibody levels is necessary for both determination of the immune status of individuals and also for planning preventive measures. ELISA is the preferred test among in vitro tests however it can be affected by the cross reacting antibodies. A previously developed in-house ELISA test was found not reliable for the antibody levels ≤1.0IU/ml. A new method was developed to detect low antibody levels correctly. The aim of the present study was to compare the results of the newly developed in-house biotin-avidin tetanus IgG ELISA test with the in vivo mouse neutralization test, for the antibody levels ≤1...
March 18, 2017: Journal of Immunological Methods
https://www.readbyqxmd.com/read/28320171/stroke-severity-predicts-poststroke-delirium-and-its-association-with-dementia-longitudinal-observation-from-a-low-income-setting
#14
Akin Ojagbemi, Mayowa Owolabi, Toyin Bello, Olusegun Baiyewu
OBJECTIVE: The effect of delirium on stroke outcome has not been quantified in sub-Saharan Africa. We investigated the prevalence of delirium occurring within one week of stroke in Nigerian survivors and its association with dementia and mortality at 3months. METHODS: Delirium was ascertained after repeated assessments within one week of stroke using the Confusion Assessment Method. Demographic and clinical characteristics, stroke severity, current and pre-morbid cognitive functioning were also assessed...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28318661/prevalence-of-cancer-in-takotsubo-cardiomyopathy-short-and-long-term-outcome
#15
K Sattler, I El-Battrawy, S Lang, X Zhou, K Schramm, E Tülümen, F Kronbach, S Röger, M Behnes, J Kuschyk, M Borggrefe, I Akin
BACKGROUND: Takotsubo Cardiomyopathy (TTC) is a transient disorder of ventricular wall dysfunction, mostly induced by physical or emotional stress. TTC may be associated with adverse cardiac events. The association of cancer and its clinical impact in TTC patients has not been described yet. METHODS: In 114 consecutive patients presenting with TTC between January 2003 and September 2015, we studied the frequency of cancer diagnosis, and compared the clinical course and the occurrence of a clinical endpoint of cancer and non-cancer patients during a follow up of 4...
February 22, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28318333/urinary-levels-of-pyridinoline-and-deoxypyridinoline-and-bone-mineral-density-in-children-with-type-1-diabetes-mellitus
#16
Nadide Melike Sav, Mustafa Kendirci, Leyla Akin, Selim Kurtoglu
OBJECTIVE: There is still controversy over the impact of diabetes mellitus (DM) on bone mass in children. Pyridinoline (Pyr) and deoxypyridinoline (DPyr), which stabilize the collagen chains within the extracellular matrix, are known as specific bone turnover markers. The aim of this study was to investigate the relationship between urinary Pyr and DPyr excretions and bone mineral density (BMD) in children with type 1 DM. METHODS: Serum levels of Ca, phosphorus (P), magnesium (Mg), and parathormone (PTH), alkaline phosphatase (ALP) activity, and urinary excretions of Pyr and DPyr were evaluated in 50 diabetic and 130 healthy control subjects aged between 7 and 15 years...
March 20, 2017: Endocrine Research
https://www.readbyqxmd.com/read/28315312/eeg-oscillatory-power-dissociates-between-distress-and-depression-related-psychopathology-in-subjective-tinnitus
#17
Martin Meyer, Patrick Neff, Angelina Grest, Colette Hemsley, Steffi Weidt, Tobias Kleinjung
Recent research has used source estimation approaches to identify spatially distinct neural configurations in individuals with chronic, subjective tinnitus (TI). The results of these studies are often heterogeneous, a fact which may be partly explained by an inherent heterogeneity of/in the TI population and partly by the applied EEG data analysis procedure and EEG hardware. Hence this study was performed to re-enact a formerly published study (Joos et al., 2012) to better understand the reason for differences and overlap between studies from different labs...
March 14, 2017: Brain Research
https://www.readbyqxmd.com/read/28315237/sits-derivatization-of-peptides-to-enhance-266%C3%A2-nm-ultraviolet-photodissociation-uvpd
#18
M Montana Quick, M Rachel Mehaffey, Robert W Johns, W Ryan Parker, Jennifer S Brodbelt
N-terminal derivatization of peptides with the chromogenic reagent 4-acetamido-4-isothiocyanatostilbene-2,2-disulfonic acid (SITS) is demonstrated to enhance the efficiency of 266 nm ultraviolet photodissociation (UVPD). Attachment of the chromophore results in a mass shift of 454 Da and provides significant gains in the number and abundances of diagnostic fragment ions upon UVPD. Activation of SITS-tagged peptides with 266 nm UVPD leads to many fragment ions akin to the a/b/y ions commonly produced by CID, along with other sequence ions (c, x, and z) typically accessed through higher energy pathways...
March 17, 2017: Journal of the American Society for Mass Spectrometry
https://www.readbyqxmd.com/read/28314129/crack-cocaine-inhalation-induces-schizophrenia-like-symptoms-and-molecular-alterations-in-mice-prefrontal-cortex
#19
Lorena Bianchine Areal, Alice Laschuk Herlinger, Fabrício Souza Pelição, Cristina Martins-Silva, Rita Gomes Wanderley Pires
Crack cocaine (crack) addiction represents a major social and health burden, especially seeing as users are more prone to engage in criminal and violent acts. Crack users show a higher prevalence of psychiatric comorbidities - particularly antisocial personality disorders - when compared to powder cocaine users. They also develop cognitive deficits related mainly to executive functions, including working memory. It is noteworthy that stimulant drugs can induce psychotic states, which appear to mimic some symptoms of schizophrenia among users...
March 6, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28304102/design-synthesis-and-cytotoxic-evaluation-of-certain-7-chloro-4-piperazin-1-yl-quinoline-derivatives-as-vegfr-ii-inhibitors
#20
Mohamed Nabil Aboul-Enein, Aida M Abd El-Sattar El-Azzouny, Fatma Abdel-Fattah Ragab, Mohamed Farouk Hamissa
Signaling pathway inhibition of VEGFR-II is visualized as valuable tool in cancer management. In the current study, the synthesis of novel 1-4-(7-chloroquinolin-4-yl)piperazin-1-yl)-2-(N-substituted-amino)-ethanone derivatives (4a-t) was achieved through the amination of 2-chloro-1-(4-(7-chloroquinolin-4-yl)piperazin-1-yl)ethanone (3) with different secondary amines. The structures of the target compounds were confirmed by IR, (1) H-NMR, (13) C-NMR, HRMS, and microanalysis. Compounds 4a-t were subjected to in vitro anticancer screening against human breast cancer (MCF-7) and prostate cancer (PC3) cell lines...
March 17, 2017: Archiv der Pharmazie
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