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https://www.readbyqxmd.com/read/28385637/trigger-factor-induced-nascent-chain-dynamics-changes-suggest-two-different-chaperone-nascent-chain-interactions-during-translation
#1
Jiří Koubek, Yi-Che Chang, Sunny Yao-Chen Yang, Joseph Jen-Tse Huang
Protein biogenesis is poorly understood due to the ribosome which perturbs measurement attempted on the ribosome-bound nascent chain (RNC). Investigating nascent chain dynamics may provide invaluable insight into the co-translational processes such as structure formation or interaction with a chaperone, e.g. the bacterial Trigger Factor (TF). In this study, we aim to establish a platform for studying nascent chain dynamics by exploring the local environment near the fluorescent dye on site-specifically labeled RNCs with time-resolved fluorescence anisotropy...
April 3, 2017: Journal of Molecular Biology
https://www.readbyqxmd.com/read/28372638/long-term-effectiveness-of-repeat-corticosteroid-injections-for-trigger-finger
#2
Agnes Z Dardas, James VandenBerg, Tony Shen, Richard H Gelberman, Ryan P Calfee
PURPOSE: To quantify the long-term success of repeat injections for trigger fingers and to identify predictors of treatment outcomes. METHODS: This retrospective case series analyzed 292 repeat corticosteroid injections for trigger fingers administered by hand surgeons at a single tertiary center between January 2010 and January 2013. One hundred eighty-seven patients (64%) were female, 139 patients (48%) had multiple trigger fingers, and 63 patients (22%) were diabetic...
April 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28369468/patterns-of-stress-response-and-tolerance-based-on-transcriptome-profiling-of-rice-crown-tissue-under-zinc-deficiency
#3
Amrit K Nanda, Vincent Pujol, Matthias Wissuwa
Zinc (Zn) deficiency is the most prevalent micronutrient disorder in rice and leads to delayed development and decreased yield. Several studies have investigated how rice plants respond to Zn deficiency and examined the differences between Zn-efficient (ZE) and Zn-inefficient (ZI) genotypes. ZE genotypes reallocate more Zn to roots and are better at maintaining crown root development than ZI genotypes in response to Zn deficiency. However, little is known about the molecular mechanisms controlling these differences...
March 29, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28365489/subliminal-modulation-of-voluntary-action-experience-a-neuropsychological-investigation
#4
N Khalighinejad, A Kunnumpurath, C Bertini, E Ladavas, P Haggard
Human voluntary actions are often associated with a distinctive subjective experience termed 'sense of agency'. This experience could be a reconstructive inference triggered by monitoring one's actions and their outcomes, or a read-out of brain processes related to action preparation, or some hybrid of these. Participants pressed a key with the right index finger at a time of their own choice, while viewing a rotating clock. Occasionally they received a mild shock on the same finger. They were instructed to press the key as quickly as possible if they felt a shock...
March 10, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28364428/enhanced-memory-consolidation-via-automatic-sound-stimulation-during-non-rem-sleep
#5
Miika M Leminen, Jussi Virkkala, Emma Saure, Teemu Paajanen, Phyllis C Zee, Giovanni Santostasi, Christer Hublin, Kiti Müller, Tarja Porkka-Heiskanen, Minna Huotilainen, Tiina Paunio
Introduction: Slow-wave sleep (SWS) slow waves and sleep spindle activity have been shown to be crucial for memory consolidation. Recently, memory consolidation has been causally facilitated in human participants via auditory stimuli phase-locked to SWS slow waves. Aims: Here, we aimed to develop a new acoustic stimulus protocol to facilitate learning and to validate it using different memory tasks. Most importantly, the stimulation setup was automated to be applicable for ambulatory home use...
March 1, 2017: Sleep
https://www.readbyqxmd.com/read/28341069/open-surgery-versus-ultrasound-guided-corticosteroid-injection-for-trigger-finger-a-randomized-controlled-trial-with-1-year-follow-up
#6
Rehne L Hansen, Morten Søndergaard, Jeppe Lange
PURPOSE: Trigger finger is a common condition with a lifetime prevalence of 2%. Corticosteroid injection is a treatment often considered as a first-line intervention with reported cure rates between 60% and 90% in observational cohorts. Nevertheless, open surgery remains the most effective treatment with reported cure rates near 100%. Head-to-head trials on these treatments are limited. We investigated the efficacy of open surgery compared with ultrasound-guided corticosteroid injections...
March 21, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28273063/krab-zinc-finger-proteins-contribute-to-the-evolution-of-gene-regulatory-networks
#7
Michaël Imbeault, Pierre-Yves Helleboid, Didier Trono
The human genome encodes some 350 Krüppel-associated box (KRAB) domain-containing zinc-finger proteins (KZFPs), the products of a rapidly evolving gene family that has been traced back to early tetrapods. The function of most KZFPs is unknown, but a few have been demonstrated to repress transposable elements in embryonic stem (ES) cells by recruiting the transcriptional regulator TRIM28 and associated mediators of histone H3 Lys9 trimethylation (H3K9me3)-dependent heterochromatin formation and DNA methylation...
March 23, 2017: Nature
https://www.readbyqxmd.com/read/28268673/development-of-a-closed-loop-system-for-tremor-suppression-in-patients-with-parkinson-s-disease
#8
F L Xu, M Z Hao, S Q Xu, Z X Hu, Q Xiao, N Lan
More than 70% of patients suffering Parkinson's disease (PD) exhibit resting tremor in their extremities, hampering their ability to perform daily activities. Based on our earlier studies on corticospinal transmission of tremor signals [10,11], we hypothesize that cutaneous afferents evoked by surface stimulation can produce an inhibitory effect on propriospinal neurons (PN), which in turn will suppress tremor signals passing through the PN. This paper presents the development of a closed-loop system for tremor suppression by transcutaneous electrical nerve stimulation (TENS) of sensory fibers beneath the skin...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268404/a-temperature-controlled-glove-with-non-invasive-arterial-pulse-sensing-for-active-neuro-vascular-assessment
#9
Andrew M Carek, Omer T Inan
A non-invasive, active neuro-vascular assessment system was developed using a modified temperature-controlled glove and feedback techniques. The glove incorporates local heating and cooling of the hand using multi-point skin temperature measurements as feedback, and thereby induces local and central mechanisms involved in thermoregulation. Electrocardiogram (ECG), photoplethysmogram (PPG) and non-invasive finger-cuff based blood pressure (BP) measurements were used to monitor electrophysiology and hemodynamic changes in response to temperature modulation...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28265266/helz2-is-an-ifn-effector-mediating-suppression-of-dengue-virus
#10
Dahlene N Fusco, Henry Pratt, Stephen Kandilas, Scarlett Se Yun Cheon, Wenyu Lin, D Alex Cronkite, Megha Basavappa, Kate L Jeffrey, Anthony Anselmo, Ruslan Sadreyev, Clarence Yapp, Xu Shi, John F O'Sullivan, Robert E Gerszten, Takuya Tomaru, Satoshi Yoshino, Tetsurou Satoh, Raymond T Chung
Flaviviral infections including dengue virus are an increasing clinical problem worldwide. Dengue infection triggers host production of the type 1 IFN, IFN alpha, one of the strongest and broadest acting antivirals known. However, dengue virus subverts host IFN signaling at early steps of IFN signal transduction. This subversion allows unbridled viral replication which subsequently triggers ongoing production of IFN which, again, is subverted. Identification of downstream IFN antiviral effectors will provide targets which could be activated to restore broad acting antiviral activity, stopping the signal to produce endogenous IFN at toxic levels...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28259273/a-double-blind-placebo-randomized-controlled-trial-of-minocycline-to-reduce-pain-after-carpal-tunnel-and-trigger-finger-release
#11
Catherine M Curtin, Debbie Kenney, Paola Suarez, Vincent R Hentz, Tina Hernandez-Boussard, Sean Mackey, Ian R Carroll
PURPOSE: Minocycline is a microglial cell inhibitor and decreases pain behaviors in animal models. Minocycline might represent an intervention for reducing postoperative pain. This trial tested whether perioperative administration of minocycline reduced time to pain resolution (TPR) after standardized hand surgeries with known prolonged pain profiles: carpal tunnel release (CTR) and trigger finger release (TFR). METHODS: This double-blinded randomized controlled trial included patients undergoing CTR or TFR under local anesthesia...
March 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28251067/comparative-clinical-study-of-ultrasound-guided-a1-pulley-release-vs-open-surgical-intervention-in-the-treatment-of-trigger-finger
#12
Vasileios S Nikolaou, Michael-Alexander Malahias, Maria-Kyriaki Kaseta, Ioannis Sourlas, George C Babis
AIM: To investigate the effectiveness of ultrasound-guided release of the first annular pulley and compare results with the conventional open operative technique. METHODS: In this prospective randomized, single-center, clinical study, 32 patients with trigger finger or trigger thumb, grade II-IV according to Green classification system, were recruited. Two groups were formed; Group A (16 patients) was treated with an ultrasound-guided percutaneous release of the affected A1 pulley under local anesthesia...
February 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28235422/crying-spells-triggered-by-thumb-index-rubbing-after-thalamic-stroke-a-case-report
#13
R Bassani, C Rosazza, L Ghirardin, V Caldiera, E Banco, C Casati, L Tesio
BACKGROUND: Pathologic crying, devoid of any emotional counterpart, is known to occur as a consequence of various brain stem, cortical hemispheric and cerebellar lesions or, quite exceptionally, of "dacrystic" epilepsy. The case reported here suggests that thalamic lesions may also cause crying spells, under the special circumstances described below. CASE PRESENTATION: After a mild left thalamic stroke a caucasian 77 years old man presented with crying spells with no emotional counterpart, triggered by thumb-index rubbing of his right hand...
February 24, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28226857/development-of-a-closed-loop-system-for-tremor-suppression-in-patients-with-parkinson-s-disease
#14
F L Xu, M Z Hao, S Q Xu, Z X Hu, Q Xiao, N Lan, F L Xu, M Z Hao, S Q Xu, Z X Hu, Q Xiao, N Lan, S Q Xu, Z X Hu, Q Xiao, M Z Hao, N Lan, F L Xu
More than 70% of patients suffering Parkinson's disease (PD) exhibit resting tremor in their extremities, hampering their ability to perform daily activities. Based on our earlier studies on corticospinal transmission of tremor signals [10,11], we hypothesize that cutaneous afferents evoked by surface stimulation can produce an inhibitory effect on propriospinal neurons (PN), which in turn will suppress tremor signals passing through the PN. This paper presents the development of a closed-loop system for tremor suppression by transcutaneous electrical nerve stimulation (TENS) of sensory fibers beneath the skin...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226574/a-temperature-controlled-glove-with-non-invasive-arterial-pulse-sensing-for-active-neuro-vascular-assessment
#15
Andrew M Carek, Omer T Inan, Andrew M Carek, Omer T Inan, Andrew M Carek, Omer T Inan
A non-invasive, active neuro-vascular assessment system was developed using a modified temperature-controlled glove and feedback techniques. The glove incorporates local heating and cooling of the hand using multi-point skin temperature measurements as feedback, and thereby induces local and central mechanisms involved in thermoregulation. Electrocardiogram (ECG), photoplethysmogram (PPG) and non-invasive finger-cuff based blood pressure (BP) measurements were used to monitor electrophysiology and hemodynamic changes in response to temperature modulation...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28222331/the-moro-reaction-more-than-a-reflex-a-ritualized-behavior-of-nonverbal-communication
#16
Pierre V Rousseau, Florence Matton, Renaud Lecuyer, Willy Lahaye
OBJECTIVE: To propose a phylogenetic significance to the Moro reflex which remains unexplained since its publication in 1918 because both hands are free at the end of the gesture. METHOD: Among the 75 videos of healthy term newborns we have filmed in a research project on antenatal education to parenthood, we describe a sequence that clearly showed the successive movements of the Moro reflex and we report the occurrence of this reflex in the videos that were recorded from Time 0 of birth defined as the moment that lies between the birth of the thorax and the pelvis of the infant...
February 18, 2017: Infant Behavior & Development
https://www.readbyqxmd.com/read/28216286/rnf8-identified-as-a-co-activator-of-estrogen-receptor-%C3%AE-promotes-cell-growth-in-breast-cancer
#17
Shengli Wang, Hao Luo, Chunyu Wang, Hongmiao Sun, Ge Sun, Ning Sun, Kai Zeng, Huijuan Song, Renlong Zou, Tingting Zhou, Rijiao Cong, Wei Liu, Lei Yang, Da Li, Xin Zhou, Xinping Zhong, Lin Lin, Jiao Jiao, Guangqi Yan, Xue Wang, Xiaojie Min, Liu Cao, Yue Zhao
The ring finger protein 8 (RNF8), a key component of protein complex crucial for DNA-damage response, consists of a forkhead-associated (FHA) domain and a really interesting new gene (RING) domain that enables it to function as an E3 ubiquitin ligase. However, the biological functions of RNF8 in estrogen receptor α (ERα)-positive breast cancer and underlying mechanisms have not been fully defined. Here, we have explored RNF8 as an associated partner of ERα in breast cancer cells, and co-activates ERα-mediated transactivation...
February 12, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28215221/targeting-chromatin-remodeling-in-inflammation-and-fibrosis
#18
J Yang, B Tian, A R Brasier
Mucosal surfaces of the human body are lined by a contiguous epithelial cell surface that forms a barrier to aerosolized pathogens. Specialized pattern recognition receptors detect the presence of viral pathogens and initiate protective host responses by triggering activation of the nuclear factor κB (NFκB)/RelA transcription factor and formation of a complex with the positive transcription elongation factor (P-TEFb)/cyclin-dependent kinase (CDK)9 and Bromodomain-containing protein 4 (BRD4) epigenetic reader...
2017: Advances in Protein Chemistry and Structural Biology
https://www.readbyqxmd.com/read/28213497/mitochondrial-damage-elicits-a-tcdd-inducible-poly-adp-ribose-polymerase-mediated-antiviral-response
#19
Tatsuya Kozaki, Jun Komano, Daiki Kanbayashi, Michihiro Takahama, Takuma Misawa, Takashi Satoh, Osamu Takeuchi, Taro Kawai, Shigeomi Shimizu, Yoshiharu Matsuura, Shizuo Akira, Tatsuya Saitoh
The innate immune system senses RNA viruses by pattern recognition receptors (PRRs) and protects the host from virus infection. PRRs mediate the production of immune modulatory factors and direct the elimination of RNA viruses. Here, we show a unique PRR that mediates antiviral response. Tetrachlorodibenzo-p-dioxin (TCDD)-inducible poly(ADP ribose) polymerase (TIPARP), a Cysteine3 Histidine (CCCH)-type zinc finger-containing protein, binds to Sindbis virus (SINV) RNA via its zinc finger domain and recruits an exosome to induce viral RNA degradation...
March 7, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28197159/an-rna-seq-analysis-of-grape-plantlets-grown-in-vitro-reveals-different-responses-to-blue-green-red-led-light-and-white-fluorescent-light
#20
Chun-Xia Li, Zhi-Gang Xu, Rui-Qi Dong, Sheng-Xin Chang, Lian-Zhen Wang, Muhammad Khalil-Ur-Rehman, Jian-Min Tao
Using an RNA sequencing (RNA-seq) approach, we analyzed the differentially expressed genes (DEGs) and physiological behaviors of "Manicure Finger" grape plantlets grown in vitro under white, blue, green, and red light. A total of 670, 1601, and 746 DEGs were identified in plants exposed to blue, green, and red light, respectively, compared to the control (white light). By comparing the gene expression patterns with the growth and physiological responses of the grape plantlets, we were able to link the responses of the plants to light of different spectral wavelengths and the expression of particular sets of genes...
2017: Frontiers in Plant Science
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