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https://www.readbyqxmd.com/read/28223495/secretagogin-dependent-matrix-metalloprotease-2-release-from-neurons-regulates-neuroblast-migration
#1
János Hanics, Edit Szodorai, Giuseppe Tortoriello, Katarzyna Malenczyk, Erik Keimpema, Gert Lubec, Zsófia Hevesi, Mirjam I Lutz, Márk Kozsurek, Zita Puskár, Zsuzsanna E Tóth, Ludwig Wagner, Gábor G Kovács, Tomas G M Hökfelt, Tibor Harkany, Alán Alpár
The rostral migratory stream (RMS) is viewed as a glia-enriched conduit of forward-migrating neuroblasts in which chemorepulsive signals control the pace of forward migration. Here we demonstrate the existence of a scaffold of neurons that receive synaptic inputs within the rat, mouse, and human fetal RMS equivalents. These neurons express secretagogin, a Ca(2+)-sensor protein, to execute an annexin V-dependent externalization of matrix metalloprotease-2 (MMP-2) for reconfiguring the extracellular matrix locally...
February 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28215828/visualizing-risks-in-cancer-communication-a-systematic-review-of-computer-supported-visual-aids
#2
REVIEW
Jan Stellamanns, Dana Ruetters, Keshav Dahal, Zita Schillmoeller, Jutta Huebner
OBJECTIVE: Health websites are becoming important sources for cancer information. Lay users, patients and carers seek support for critical decisions, but they are prone to common biases when quantitative information is presented. Graphical representations of risk data can facilitate comprehension, and interactive visualizations are popular. This review summarizes the evidence on computer-supported graphs that present risk data and their effects on various measures. METHODS: The systematic literature search was conducted in several databases, including MEDLINE, EMBASE and CINAHL...
February 6, 2017: Patient Education and Counseling
https://www.readbyqxmd.com/read/28167044/hypoxia-directs-human-extravillous-trophoblast-differentiation-in-a-hypoxia-inducible-factor-dependent-manner
#3
Anna K Wakeland, Francesca Soncin, Matteo Moretto-Zita, Ching-Wen Chang, Mariko Horii, Don Pizzo, Katharine K Nelson, Louise C Laurent, Mana M Parast
Villous cytotrophoblasts are epithelial stem cells of the early human placenta, able to differentiate either into syncytiotrophoblasts in floating chorionic villi or extravillous trophoblasts (EVTs) at the anchoring villi. The signaling pathways regulating differentiation into these two lineages are incompletely understood. The bulk of placental growth and development in the first trimester occurs under low oxygen tension. One major mechanism by which oxygen regulates cellular function is through the hypoxia-inducible factor (HIF), a transcription factor complex stabilized under low oxygen tension to mediate cellular responses, including cell fate decisions...
February 3, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28164458/comparison-of-hair-removal-efficacy-and-side-effect-of-neodymium-yttrium-aluminum-garnet-laser-and-intense-pulsed-light-systems-18-month-follow-up
#4
Georgina Zita Szima, Eszter Anna Janka, Anikó Kovács, Blanka Bortély, Edina Bodnár, Irina Sawhney, Éva Szabó, Éva Remenyik
BACKGROUND: Photothermal destruction of hair shaft melanin with intense pulsed light (IPL) and neodymium:yttrium-aluminum-garnet (Nd:YAG) laser has become an effective treatment of hair removal. AIMS: Our aim was to compare efficacy, satisfactory levels, safety, and side effects of Nd:YAG and IPL in hair reduction. METHODS: This was a prospective randomized intrapatient, right-left, assessor-blinded comparison of Nd:YAG vs IPL. There were 38 volunteers recruited...
February 6, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28159427/left-ventricular-rigid-body-rotation-in-a-diffuse-large-b-cell-lymphoma-patient-with-cardiac-involvement-a-case-from-the-three-dimensional-speckle-tracking-echocardiographic-magyar-path-study
#5
Dóra Földeák, Anita Kalapos, Péter Domsik, Mária Sinkó, Nóra Szeleczki, Enikő Bagdi, László Krenács, Tamás Forster, Zita Borbényi, Attila Nemes
Secondary myocardial involvement by diffuse large B-cell lymphoma is a rare occurrence. Left ventricular (LV) twist is considered an essential part of LV function. In normal circumstances LV twist results from the movement of two orthogonally oriented muscular bands of a helical myocardial structure with consequent clockwise rotation of the base and counterclockwise rotation of the apex. Three-dimensional (3D) speckle-tracking echocardiography (3DSTE) has been found to be feasible for non-invasive 3D quantification of LV wall motion and rotational mechanics...
February 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/28157507/transcription-without-xpb-establishes-a-unified-helicase-independent-mechanism-of-promoter-opening-in-eukaryotic-gene-expression
#6
Sergey Alekseev, Zita Nagy, Jérémy Sandoz, Amélie Weiss, Jean-Marc Egly, Nicolas Le May, Frederic Coin
Transcription starts with the assembly of pre-initiation complexes on promoters followed by their opening. Current models suggest that class II gene transcription requires ATP and the TFIIH XPB subunit to open a promoter. Here, we observe that XPB depletion surprisingly leaves transcription virtually intact. In contrast, inhibition of XPB ATPase activity affects transcription, revealing that mRNA expression paradoxically accommodates the absence of XPB while being sensitive to the inhibition of its ATPase activity...
February 2, 2017: Molecular Cell
https://www.readbyqxmd.com/read/28156612/effects-of-high-dose-asian-ginseng-panax-ginseng-to-improve-cancer-related-fatigue-results-of-a-double-blind-placebo-controlled-randomized-controlled-trial
#7
Nizar M Tannir, Janet L Williams, Kenneth R Hess, Susan Frisbee-Hume, Helen L House, Frank V Fossella, Zita Dubauskas Lim, Gabriel Lopez, Akhila Sunkepally Reddy, Ahsan Azhar, Angelique Wong, Sunil M Patel, Ahmed Omar Kaseb, Wen-Jen Hwu, Zhanni Lu, Lorenzo Cohen, Eduardo Bruera
: 209 Background: Cancer related fatigue (CRF) is the most common and disabling symptom in cancer.Panax ginseng extract (PG) is frequently used as a nutraceutical treatment for fatigue. There are no well-powered placebo-controlled trials that used validated CRF outcome measures to investigate of PG effects in cancer patients. The primary objective of this trial was to evaluate the effects oral PG versus Placebo (PL) for CRF. METHODS: Patients with cancer fatigue ≥ 4/10 on Edmonton Symptom Assessment Scale (ESAS) were eligible...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28150428/individual-differences-in-zoo-housed-squirrel-monkeys-saimiri-sciureus-reactions-to-visitors-research-participation-and-personality-ratings
#8
Zita Polgár, Lara Wood, Marie J Haskell
Understanding individual differences in captive squirrel monkeys is a topic of importance both for improving welfare by catering to individual needs, and for better understanding the results and implications of behavioral research. In this study, 23 squirrel monkeys (Saimiri sciureus), housed in an environment that is both a zoo enclosure and research facility, were assessed for (i) the time they spent by an observation window under three visitor conditions: no visitors, small groups, and large groups; (ii) their likelihood of participating in voluntary research; and (iii) zookeepers, ratings of personality...
February 2, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/28145450/development-of-a-human-vasopressin-v1a-receptor-antagonist-from-an-evolutionary-related-insect-neuropeptide
#9
Maria Giulia Di Giglio, Markus Muttenthaler, Kasper Harpsøe, Zita Liutkeviciute, Peter Keov, Thomas Eder, Thomas Rattei, Sarah Arrowsmith, Susan Wray, Ales Marek, Tomas Elbert, Paul F Alewood, David E Gloriam, Christian W Gruber
Characterisation of G protein-coupled receptors (GPCR) relies on the availability of a toolbox of ligands that selectively modulate different functional states of the receptors. To uncover such molecules, we explored a unique strategy for ligand discovery that takes advantage of the evolutionary conservation of the 600-million-year-old oxytocin/vasopressin signalling system. We isolated the insect oxytocin/vasopressin orthologue inotocin from the black garden ant (Lasius niger), identified and cloned its cognate receptor and determined its pharmacological properties on the insect and human oxytocin/vasopressin receptors...
February 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28110607/predictors-of-caesarean-section-a-cross-sectional-study-in-hungary
#10
Loránd Rénes, Nikoletta Barka, Zita Gyurkovits, Edit Paulik, Gábor Németh, Hajnalka Orvos
PURPOSE: The aim of this study was to analyse the factors associated with caesarean section (CS) at the Department of Obstetrics and Gynaecology, University of Szeged, Hungary. STUDY DESIGN: Data collection was based on self-administered questionnaire and medical records related to the deliveries in the year of 2014. Maternal age, education level, marital status, pre-gestational body mass index (BMI), infertility treatment, previous CS, gestational diabetes mellitus (GDM), pre-pregnancy hypertension and pregnancy induced hypertension (HT/PIH) were examined...
January 23, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28097068/hepatic-fibrosis-and-factors-associated-with-liver-stiffness-in-hiv-mono-infected-individuals
#11
Mihály Sulyok, Tamás Ferenci, Mihály Makara, Gábor Horváth, János Szlávik, Zsófia Rupnik, Luca Kormos, Zsuzsanna Gerlei, Zita Sulyok, István Vályi-Nagy
BACKGROUND: Liver disease has become an important cause of morbidity and mortality even in those HIV-infected individuals who are devoid of hepatitis virus co-infection. The aim of this study was to evaluate the degree of hepatic fibrosis and the role of associated factors using liver stiffness measurement in HIV mono-infected patients without significant alcohol intake. METHODS: We performed a cross-sectional study of 101 HIV mono-infected patients recruited prospectively from March 1, 2014 to October 30, 2014 at the Center for HIV, St István and St László Hospital, Budapest, Hungary...
2017: PeerJ
https://www.readbyqxmd.com/read/28092737/complex-molecular-changes-induced-by-chronic-progestogens-exposure-in-roach-rutilus-rutilus
#12
Gabor Maasz, Zita Zrinyi, Peter Takacs, Sandor Lovas, Istvan Fodor, Tibor Kiss, Zsolt Pirger
In our previous study, we measured 0.23-13.67ng/L progestogens (progesterone, drospirenone, levonorgestrel) in natural waters in the catchment area of the largest shallow lake of Central Europe, Lake Balaton. Progestogen contaminations act as potent steroids with mixed progestagenic, androgenic and mild estrogenic effects that is why our aim was to investigate the morphological and molecular effects of mixture of progesterone, drospirenone, and levonorgestrel in environmentally relevant (10ng/L) and higher (50 and 500ng/L) exposure concentrations in common roach, Rutilus rutilus...
January 13, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28054527/temperature-increase-induced-by-modulated-electrohyperthermia-oncothermia%C3%A2-in-the-anesthetized-pig-liver
#13
Lajos Balogh, András Polyák, Zita Pöstényi, Veronika Kovács-Haász, Miklós Gyöngy, Julianna Thuróczy
AIM OF STUDY: Is to show the intrahepatic temperature development in anesthetized pig. MATERIALS AND METHODS: Temperature development in the liver of anesthetized pig is measured to study the thermal effects of capacitive coupled energy transfer. The treatment was made by modulated electrohyperthermia (mEHT, trade name: oncothermia ®), controlled by a fluoroptical temperature sensing positioned by the ultrasound-guided process. Various fits of coupling were studied...
July 2016: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28025980/cracking-the-mnemonic-code
#14
Eva Zita Patai, Hugo J Spiers
No abstract text is available yet for this article.
December 27, 2016: Nature Neuroscience
https://www.readbyqxmd.com/read/27999799/alveolar-ridge-reconstruction-with-titanium-meshes-and-simultaneous-implant-placement-a-retrospective-multicenter-clinical-study
#15
MULTICENTER STUDY
Raquel Zita Gomes, Andres Paraud Freixas, Chang-Hun Han, Sohueil Bechara, Isaac Tawil
Objective. To evaluate horizontal bone gain and implant survival and complication rates in patients treated with titanium meshes placed simultaneously with dental implants and fixed over them. Methods. Twenty-five patients treated with 40 implants and simultaneous guided bone regeneration with titanium meshes (i-Gen®, MegaGen, Gyeongbuk, Republic of Korea) were selected for inclusion in the present retrospective multicenter study. Primary outcomes were horizontal bone gain and implant survival; secondary outcomes were biological and prosthetic complications...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27974681/loss-of-expression-of-the-recycling-receptor-fcrn-promotes-tumor-cell-growth-by-increasing-albumin-consumption
#16
Rafal Swiercz, Min Mo, Priyanka Khare, Zita Schneider, Raimund J Ober, Elizabeth Sally Ward
Tumor cells rely on high concentrations of amino acids to support their growth and proliferation. Although increased macropinocytic uptake and lysosomal degradation of the most abundant serum protein, albumin, in Ras-transformed cells can meet these demands, it is not understood how the majority of tumor cells that express wild type Ras achieve this. In the current study we reveal that the neonatal Fc receptor, FcRn, regulates tumor cell proliferation through the ability to recycle its ligand, albumin. By contrast with normal epithelial cells, we show that human FcRn is present at very low or undetectable levels in the majority of tumor cell lines analyzed...
January 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/27958372/global-map-of-oxytocin-vasopressin-like-neuropeptide-signalling-in-insects
#17
Zita Liutkeviciute, Johannes Koehbach, Thomas Eder, Esther Gil-Mansilla, Christian W Gruber
Oxytocin and vasopressin mediate a range of physiological functions that are important for osmoregulation, reproduction, social behaviour, memory and learning. The origin of this signalling system is thought to date back ~600 million years. Oxytocin/vasopressin-like peptides have been identified in several invertebrate species and they appear to be functionally related across the entire animal kingdom. There is little information available about the biology of this peptide G protein-coupled receptor signalling system in insects...
December 13, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27934943/stable-c-n-isotopes-in-2100-year-b-p-human-bone-collagen-indicate-rare-dietary-dominance-of-c4-plants-in-ne-italy
#18
Zita Laffranchi, Antonio Delgado Huertas, Sylvia A Jiménez Brobeil, Arsenio Granados Torres, Jose A Riquelme Cantal
C4 plants (e.g. maize, millet), part of our current diet, are only endemic of reduced areas in South-Europe due to their need of warm climates. Since the first vestiges of agriculture in Europe remains of C4 plants were recorded but their overall proportion in the human diet remains unknown. Therefore, isotopic (δ(13)C and δ(15)N) composition of bone collagen from the skeletal remains (human and animals) of a Celtic population, Cenomani Gauls, from Verona (3(rd) to 1(st) century BC) in the NE Italy provide a new perspective on this matter...
December 9, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27917673/-first-attempts-in-the-introduction-of-cryopreservation-of-ovarian-tissues
#19
Péter Fancsovits, János Urbancsek, László Fónyad, Anna Sebestyén, Gézáné Csorba, Ádám Lehner, Zita Kaszás, János Rigó, Attila Bokor
INTRODUCTION: The oncological treatment may damage ovarian function. To prevent this, it is possible to cryopreserve the ovarian tissue, and to keep the samples for long-term storage. The frozen-thawed tissue could be retransplanted after chemo- or radiotherapy. AIM: The aim of our study was to examine the effect of cryopreservation on the viability of ovarian tissue. METHOD: We analyzed the survival of frozen-thawed donated ovarian tissues...
December 2016: Orvosi Hetilap
https://www.readbyqxmd.com/read/27897677/cognitive-training-in-the-elderly-bottlenecks-and-new-avenues
#20
Nahid Zokaei, Christopher MacKellar, Giedrė Čepukaitytė, Eva Zita Patai, Anna Christina Nobre
Development of measures to preserve cognitive function or even reverse cognitive decline in the ever-growing elderly population is the focus of many research and commercial efforts. One such measure gaining in popularity is the development of computer-based interventions that "exercise" cognitive functions. Computer-based cognitive training has the potential to be specific and flexible, accommodates feedback, and is highly accessible. As in most budding fields, there are still considerable inconsistencies across methodologies and results, as well as a lack of consensus on a comprehensive assessment protocol...
November 29, 2016: Journal of Cognitive Neuroscience
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