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https://www.readbyqxmd.com/read/28743050/pml-rar%C3%AE-stabilized-by-zinc-in-human-acute-promyelocytic-leukemia-nb4-cells
#1
Bo Zhu, Jia-Yu Wang, Jun-Jie Zhou, Feng Zhou, Wei Cheng, Ying-Ting Liu, Jie Wang, Xiao Chen, Dian-Hua Chen, Lan Luo, Zi-Chun Hua
Acute promyelocytic leukemia (APL) is characterized and driven by the promyelocytic leukemia protein-retinoic acid receptor alpha (PML-RARα) fusion gene. Previous studies have highlighted the importance of PML-RARα degradation in the treatment against APL. Considering the presence of two zinc fingers in the PML-RARα fusion protein, we explored the function of zinc homeostasis in maintaining PML-RARα stability. We demonstrated for the first time that zinc depletion by its chelator N,N,N',N'-tetrakis(2-pyridylmethyl)ethylenediamine (TPEN) triggered PML-RARα degradation in NB4 APL cells via the proteasome pathway rather than the autophagy-lysosomal pathway...
July 19, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28742936/benefits-and-limitations-of-belatacept-in-4-hand-transplanted-patients
#2
J Grahammer, A Weissenbacher, B G Zelger, B Zelger, C Boesmueller, M Ninkovic, A Mühlbacher, I Peschel, G Brandacher, D Öfner, S Schneeberger
Belatacept (CTLA4Ig) is an emerging treatment in kidney transplantation. Lack of nephrotoxicity and possibly an inhibitory effect on the development of donor specific antibodies (DSA) make it an interesting agent in hand transplantation. In order to reduce CNI immunosuppression and preserve kidney function, we have added belatacept to the therapeutic regimen of 4 hand transplanted patients at month 4, at 6, 9, and 13 years after hand/forearm transplantation. Patients received 5mg/kg belatacept every 2 weeks, the dosing interval was extended to 4 weeks after 5 applications...
July 25, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28742498/subthalamic-nucleus-gamma-activity-increases-not-only-during-movement-but-also-during-movement-inhibition
#3
Petra Fischer, Alek Pogosyan, Damian M Herz, Binith Cheeran, Alexander L Green, James Fitzgerald, Tipu Z Aziz, Jonathan Hyam, Simon Little, Thomas Foltynie, Patricia Limousin, Ludvic Zrinzo, Peter Brown, Huiling Tan
Gamma activity in the subthalamic nucleus (STN) is widely viewed as a pro-kinetic rhythm. Here we test the hypothesis that rather than being specifically linked to movement execution, gamma activity reflects dynamic processing in this nucleus. We investigated the role of gamma during fast stopping and recorded scalp electroencephalogram and local field potentials from deep brain stimulation electrodes in 9 Parkinson's disease patients. Patients interrupted finger tapping (paced by a metronome) in response to a stop-signal sound, which was timed such that successful stopping would occur only in ~50% of all trials...
July 25, 2017: ELife
https://www.readbyqxmd.com/read/28742485/a-new-morphological-trait-in-forensic-identification-middle-phalangeal-hair-mph
#4
Kewal Krishan, Tanuj Kanchan
Middle phalangeal hairs (MPH) are present on the dorsal aspect of the middle phalange of the fingers except for the thumb. The MPH have been of interest to anthropologists, human biologists, clinicians, geneticists and anatomists in the past as a morphological trait of the human body. The anthropological value of MPH is well established in studying population variations, with implications for age, ancestry and sex differences. We are of the opinion that MPH may be used significantly for forensic identification purposes along with other morphological characteristics of the human body...
December 1, 2016: Science Progress
https://www.readbyqxmd.com/read/28742328/attachable-pulse-sensors-integrated-with-inorganic-optoelectronic-devices-for-monitoring-heart-rates-at-various-body-locations
#5
Juho Kim, Namyun Kim, Minjeong Kwon, Jongho Lee
Monitoring cardiovascular signals such as heart rate and blood flow provides critically important healthcare information about patients under medical care. However, when the sensors are worn for extended times, the sensors sometimes require higher mechanical compatibility with soft deformable tissues. In this paper, we report an attachable and flexible pulse sensor (bending radius: 2.4 mm), integrated with micro-inorganic photodetectors (thickness: 4.1 μm, photocurrent: 8.99 μA under 1.5 mW/cm(2)) and a red light emitting diode (620 nm), to monitor vital signals for extended times...
July 25, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28742278/agenesis-of-the-corpus-callosum-developmental-delay-autism-spectrum-disorder-facial-dysmorphism-and-posterior-polymorphous-corneal-dystrophy-associated-with-zeb1-gene-deletion
#6
Ayeshah Chaudhry, Brian H Chung, Dimitri J Stavropoulos, Marcela P Araya, Asim Ali, Elise Heon, David Chitayat
We report on a girl diagnosed prenatally with agenesis of the corpus callosum (ACC) on fetal ultrasound and MRI. On postnatal follow-up she was noted to have developmental delay, facial dysmorphism, autism spectrum disorder, and posterior polymorphous corneal dystrophy (PPD). Array-comparative genomic hybridization analysis (Array-CGH) showed a 2.05 Mb de novo interstitial deletion at 10p11.23p11.22. The deleted region overlaps 1 OMIM Morbid Map gene, ZEB1 (the zinc finger E-box binding homeobox transcription factor 1), previously associated with posterior polymorphous corneal dystrophy type 3 (PPCD3)...
July 25, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28741744/thermal-suit-in-preventing-unintentional-intraoperative-hypothermia-during-general-anaesthesia-a-randomized-controlled-trial
#7
S-L Lauronen, M-L Kalliomäki, A J Aho, J Kalliovalkama, J M Riikonen, M-T Mäkinen, H M Leppikangas, A M Yli-Hankala
BACKGROUND: Unintentional perioperative hypothermia causes serious adverse effects to surgical patients. Thermal suit (T-Balance(®) ) is an option for passive warming perioperatively. We hypothesized that the thermal suit will not maintain normothermia more efficiently than conventional cotton clothes when also other preventive procedures against unintentional hypothermia are used. METHODS: One hundred patients were recruited to this prospective, randomized trial...
July 25, 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/28741328/-short-term-results-of-weils-osteotomy-in-patients-with-propulsive-metatarsalgia
#8
J C Hernández-Martínez, J Vázquez-Escamilla, M Coronado-Puente
INTRODUCTION: Metatarsalgia is the most common reason for consultation in orthopedic pathology of the foot. The key to its treatment lies in the correct determination of the symptoms, which are biological, morphological and mechanical alterations responsible for pain. Weil´s osteotomy is commonly used for multiple forefoot pathologies, including metatarsalgias. MATERIAL AND METHODS: We included patients with first-line failure syndrome and associated mechanical metatarsalgia-producing deformities...
January 2017: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28741277/analysis-of-subjects-vulnerability-in-a-touch-screen-game-using-behavioral-metrics
#9
Payam Parsinejad, Rifat Sipahi
In this article, we report results on an experimental study conducted with volunteer subjects playing a touch-screen game with two unique difficulty levels. Subjects have knowledge about the rules of both game levels, but only sufficient playing experience with the easy level of the game, making them vulnerable with the difficult level. Several behavioral metrics associated with subjects' playing the game are studied in order to assess subjects' mental-workload changes induced by their vulnerability. Specifically, these metrics are calculated based on subjects' finger kinematics and decision making times, which are then compared with baseline metrics, namely, performance metrics pertaining to how well the game is played and a physiological metric called pnn50 extracted from heart rate measurements...
July 24, 2017: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/28741099/spatial-specificity-of-tactile-enhancement-during-reaching
#10
Dimitris Voudouris, Katja Fiehler
Tactile signals on a hand that serves as movement goal are enhanced during movement planning and execution. Here, we examined how spatially specific tactile enhancement is when humans reach to their own static hand. Participants discriminated two brief and simultaneously presented tactile stimuli: a comparison stimulus on the left thumb or little finger from a reference stimulus on the sternum. Tactile stimuli were presented either during right-hand reaching towards the left thumb or little finger or while holding both hands still (baseline)...
July 24, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28740726/c2h2-zinc-finger-proteins-the-largest-but-poorly-explored-family-of-higher-eukaryotic-transcription-factors
#11
A A Fedotova, A N Bonchuk, V A Mogila, P G Georgiev
The emergence of whole-genome assays has initiated numerous genome-wide studies of transcription factor localizations at genomic regulatory elements (enhancers, promoters, silencers, and insulators), as well as facilitated the uncovering of some of the key principles of chromosomal organization. However, the proteins involved in the formation and maintenance of the chromosomal architecture and the organization of regulatory domains remain insufficiently studied. This review attempts to collate the available data on the abundant but still poorly understood family of proteins with clusters of the C2H2 zinc finger domains...
April 2017: Acta Naturae
https://www.readbyqxmd.com/read/28740470/manual-dexterity-in-schizophrenia-a-neglected-clinical-marker
#12
Maxime Térémetz, Loïc Carment, Lindsay Brénugat-Herne, Marta Croca, Jean-Pierre Bleton, Marie-Odile Krebs, Marc A Maier, Isabelle Amado, Påvel G Lindberg
Impaired manual dexterity is commonly observed in schizophrenia. However, a quantitative description of key sensorimotor components contributing to impaired dexterity is lacking. Whether the key components of dexterity are differentially affected and how they relate to clinical characteristics also remains unclear. We quantified the degree of dexterity in 35 stabilized patients with schizophrenia and in 20 age-matched control subjects using four visuomotor tasks: (i) force tracking to quantify visuomotor precision, (ii) sequential finger tapping to measure motor sequence recall, (iii) single-finger tapping to assess temporal regularity, and (iv) multi-finger tapping to measure independence of finger movements...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28739727/mir-141-inhibits-proliferation-and-migration-of-colorectal-cancer-sw480-cells
#13
Zhi H Long, Zhi G Bai, Jian N Song, Zhi Zheng, Jun Li, Jun Zhang, Jun Cai, Hong W Yao, Jin Wang, Ying C Yang, Jie Yin, Zhong T Zhang
BACKGROUND: This study was designed to determine the molecular function of miR-141 and the underlying mechanisms in colorectal cancer (CRC). MATERIALS AND METHODS: SW480 cells in which miR-141 was up- or down-regulated were established. Reverse transcription, quantitative polymerase chain reaction and Western blotting were used to examine the microRNA and protein expression. Cell-cycle progression was analyzed by flow cytometry. Proliferation marker Ki-67 was evaluated by immunofluorescence...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28738243/both-facilitatory-and-inhibitory-impairments-underlie-age-related-differences-of-proactive-cognitive-control-across-the-adult-lifespan
#14
Pascal W M Van Gerven, Petra P M Hurks, Jos J Adam
We investigated two components of proactive cognitive control, response facilitation and response inhibition, in an adult lifespan sample (N=544, age range=18-91years) by administering two response-preparation tasks: a procue task, primarily involving facilitation, and an anticue task, involving both facilitation and inhibition. Cues in both tasks corresponded with the index and middle fingers of either the left or right hand. After a random preparation interval (PI) of 100-850ms following the onset of the cue signal, a single-target stimulus indicated the required response...
July 21, 2017: Acta Psychologica
https://www.readbyqxmd.com/read/28737756/overexpression-of-zinc-finger-protein-687-enhances-tumorigenic-capability-and-promotes-recurrence-of-hepatocellular-carcinoma
#15
T Zhang, Y Huang, W Liu, W Meng, H Zhao, Q Yang, S-J Gu, C-C Xiao, C-C Jia, B Zhang, Y Zou, H-P Li, B-S Fu
Zinc finger protein 687 (ZNF687), identified as a C2H2 zinc finger protein, has been found to be mutated and upregulated in giant cell tumor of bone and acute myeloid leukemia, suggesting an oncogenic role for ZNF687 in cancer. However, the clinical significance and precise role of ZNF687 in cancer progression are largely unknown. Herein, we report that ZNF687 was markedly upregulated in hepatocellular carcinoma (HCC) cell lines and HCC tissues, and was significantly correlated with relapse-free survival in HCC...
July 24, 2017: Oncogenesis
https://www.readbyqxmd.com/read/28737563/reverse-distal-transverse-palmar-arch-in-distal-digital-replantation
#16
Ching-Yueh Wei, Oscar Orozco, Gustavo Vinagre, Mark Shafarenko
BACKGROUND: Refinements in microsurgery have made distal finger replantation an established technique with high success rates and good functional and aesthetic outcomes. However, it still represents a technically demanding procedure due to the small vessel caliber and frequent lack of vessel length, requiring the use of interpositional venous grafts in some instances. We describe a new technique for anastomosis in fingertip replantation, whereby the need for venous grafts is eliminated...
July 22, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28736669/photoacoustic-reflection-artifact-reduction-using-photoacoustic-guided-focused-ultrasound-comparison-between-plane-wave-and-element-by-element-synthetic-backpropagation-approach
#17
Mithun Kuniyil Ajith Singh, Michael Jaeger, Martin Frenz, Wiendelt Steenbergen
Reflection artifacts caused by acoustic inhomogeneities constitute a major problem in epi-mode biomedical photoacoustic imaging. Photoacoustic transients from the skin and superficial optical absorbers traverse into the tissue and reflect off echogenic structures to generate reflection artifacts. These artifacts cause difficulties in the interpretation of images and reduce contrast and imaging depth. We recently developed a method called PAFUSion (photoacoustic-guided focused ultrasound) to circumvent the problem of reflection artifacts in photoacoustic imaging...
April 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28736440/repin1-deficiency-in-adipose-tissue-improves-whole-body-insulin-sensitivity-and-lipid-metabolism
#18
N Hesselbarth, A Kunath, M Kern, M Gericke, N Mejhert, M Rydén, M Stumvoll, M Blüher, N Klöting
BACKGROUND/OBJECTIVES: Replication initiator 1 (Repin1) gene encodes for a zinc-finger protein and has been implicated in the regulation of adipocyte cell size and glucose transport in vitro. Here, we investigate the consequences of reduced adipose tissue (AT) Repin1 expression in vivo. SUBJECTS/METHODS: We have inactivated the Repin1 gene in adipose tissue (iARep(-/-)) at an age of four weeks using tamoxifen-inducible gene targeting strategies on the background of C57BL/6NTac mice...
July 24, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28736212/cardiovascular-responses-during-resistance-exercise-after-an-aerobic-session
#19
Thaliane Mayara Pessôa Dos Prazeres, Marilia De Almeida Correia, Gabriel Grizzo Cucato, Crivaldo Cardoso Gomes, Raphael Mendes Ritti-Dias
OBJECTIVE: To analyze the influence of previous aerobic exercise on cardiovascular responses during resistance exercise. METHODS: This is a crossover observational study. The sample included 19 normotensive men aged between 19 and 39 years. Subjects performed two experimental sessions in random order: resistance exercise (R: three sets of knee extension exercises with 40% of one repetition maximum) and aerobic exercise+resistance exercise (A+R: 30min of aerobic exercise followed by R protocol)...
July 12, 2017: Brazilian Journal of Physical Therapy
https://www.readbyqxmd.com/read/28736185/effect-of-coa-cl-on-transforming-growth-factor-%C3%AE-1-induced-epithelial-mesenchymal-transition-in-rle-abca3-cells
#20
Masashi Kawami, Junya Deguchi, Ryoko Yumoto, Norikazu Sakakibara, Ikuko Tsukamoto, Ryoji Konishi, Mikihisa Takano
Transforming growth factor (TGF)-β1 has received much attention as a major inducer of epithelial-mesenchymal transition (EMT) in pathological conditions such as cancer and organ fibrosis. In this study, we examined the effect of a novel nucleic acid analog, COA-Cl, on TGF-β1-induced EMT using RLE/Abca3, a cell line having alveolar type II cell-like phenotype. Changes in the cell morphology consistent with EMT were induced by TGF-β1, whereas, this response was suppressed by co-treatment of the cells with COA-Cl...
May 17, 2017: Drug Metabolism and Pharmacokinetics
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