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https://www.readbyqxmd.com/read/28338692/computational-design-of-self-assembling-cyclic-protein-homo-oligomers
#1
Jorge A Fallas, George Ueda, William Sheffler, Vanessa Nguyen, Dan E McNamara, Banumathi Sankaran, Jose Henrique Pereira, Fabio Parmeggiani, T J Brunette, Duilio Cascio, Todd R Yeates, Peter Zwart, David Baker
Self-assembling cyclic protein homo-oligomers play important roles in biology, and the ability to generate custom homo-oligomeric structures could enable new approaches to probe biological function. Here we report a general approach to design cyclic homo-oligomers that employs a new residue-pair-transform method to assess the designability of a protein-protein interface. This method is sufficiently rapid to enable the systematic enumeration of cyclically docked arrangements of a monomer followed by sequence design of the newly formed interfaces...
April 2017: Nature Chemistry
https://www.readbyqxmd.com/read/28333919/exome-sequencing-based-molecular-autopsy-of-formalin-fixed-paraffin-embedded-tissue-after-sudden-death
#2
Richard D Bagnall, Jodie Ingles, Laura Yeates, Samuel F Berkovic, Christopher Semsarian
PURPOSE: Sudden death in the young is a devastating complication of inherited heart disorders. Finding the precise cause of death is important, but it is often unresolved after postmortem investigation. The addition of postmortem genetic testing, i.e., the molecular autopsy, can identify additional causes of death. We evaluated DNA extracted from formalin-fixed paraffin-embedded postmortem tissue for exome sequencing-based molecular autopsy after sudden death in the young. METHODS: We collected clinical and postmortem information from patients with sudden death...
March 23, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28329305/association-between-spousal-suicide-and-mental-physical-and-social-health-outcomes-a-longitudinal-and-nationwide-register-based-study
#3
Annette Erlangsen, Bo Runeson, James M Bolton, Holly C Wilcox, Julie L Forman, Jesper Krogh, M Katherine Shear, Merete Nordentoft, Yeates Conwell
Importance: Bereavement after spousal suicide has been linked to mental disorders; however, a comprehensive assessment of the effect of spousal suicide is needed. Objective: To determine whether bereavement after spousal suicide was linked to an excessive risk of mental, physical, and social health outcomes when compared with the general population and spouses bereaved by other manners. Design, Setting, and Participants: This nationwide, register-based cohort study conducted in Denmark of 6...
March 22, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/28326670/validation-of-an-informant-based-cognitive-screening-tool-for-parkinson-disease
#4
Kok-Yoon Chee, Kheng-Yee Ong, Chin-Yeat Mak, Sapini Yacob, Shen-Cheng Yeo, Nathisha Thrichelam, Deepa Darshini Amarnath, Kai-Shin Thong, Chee-Hoong Moey, Thanam Ponusamy, Shanthi Viswanathan, Santhi Puvanarajah
INTRODUCTION: The objective of this study was to establish the psychometric properties of the AD8 Dementia Screening Interview in patients with Parkinson disease (PD) with or without cognitive impairment using the Montreal Cognitive Assessment Tool (MoCA) for comparison. METHODS: The AD8 was translated into Malay for Malay-speaking participants. A correlation analysis and a receiver operator characteristic curve were generated to establish the psychometric properties of the AD8 in relation to the MoCA...
March 21, 2017: Asia-Pacific Psychiatry: Official Journal of the Pacific Rim College of Psychiatrists
https://www.readbyqxmd.com/read/28323555/influence-of-dopamine-related-genes-on-neurobehavioral-recovery-after-traumatic-brain-injury-during-early-childhood
#5
Amery Treble-Barna, Shari L Wade, Lisa J Martin, Valentina Pilipenko, Keith Owen Yeates, H Gerry Taylor, Brad G Kurowski
The present study examined the association of dopamine-related genes with short- and long-term neurobehavioral recovery, as well as neurobehavioral recovery trajectories over time, in children who had sustained early childhood traumatic brain injuries (TBI) relative to children who had sustained orthopedic injuries (OI). Participants were recruited from a prospective, longitudinal study evaluating outcomes of children who sustained a TBI (n = 68) or OI (n = 72) between the ages of 3 and 7 years. Parents completed ratings of child executive function and behavior at the immediate post-acute period (0-3 months after injury); 6, 12, and 18 months after injury; and an average of 3...
March 21, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28301774/geometric-principles-for-designing-highly-symmetric-self-assembling-protein-nanomaterials
#6
Todd O Yeates
Emerging protein design strategies are enabling the creation of diverse, self-assembling supramolecular structures with precision on the atomic scale. The design possibilities include various types of architectures: finite cages or shells, essentially unbounded two-dimensional and three-dimensional arrays (i.e., crystals), and linear or tubular filaments. In nature, structures of those types are generally symmetric, and, accordingly, symmetry provides a powerful guide for developing new design approaches. Recent design studies have produced numerous protein assemblies in close agreement with geometric specifications...
February 23, 2017: Annual Review of Biophysics
https://www.readbyqxmd.com/read/28300602/yeats-domain-a-histone-acylation-reader-in-health-and-disease
#7
REVIEW
Dan Zhao, Yuanyuan Li, Xiaozhe Xiong, Zhonglei Chen, Haitao Li
Histone post-translational modifications (PTMs) carry an epigenetic layer of message to regulate diverse cellular processes at the chromatin level. Many of these PTMs are selectively recognized by dedicated effector proteins for normal cell growth and development, while dysregulation of these recognition events is often implicated in human diseases, notably cancer. Thus, it is fundamentally important to elucidate the regulatory mechanism(s) underlying readout of PTMs on histones. The YEATS domain is an emerging reader module that selectively recognizes histone lysine acylation with a preference for crotonylation over acetylation...
March 11, 2017: Journal of Molecular Biology
https://www.readbyqxmd.com/read/28271316/psychometric-evaluation-of-the-pediatric-and-parent-proxy-patient-reported-outcomes-measurement-information-system-and-the-neurology-and-traumatic-brain-injury-quality-of-life-measurement-item-banks-in-pediatric-traumatic-brain-injury
#8
Hilary Bertisch, Frederick P Rivara, Pamela A Kisala, Jin Wang, Keith Owen Yeates, Dennis Durbin, Mark R Zonfrillo, Michael J Bell, Nancy Temkin, David S Tulsky
PURPOSE: The primary objective is to provide evidence of convergent and discriminant validity for the pediatric and parent-proxy versions of the Patient-Reported Outcomes Measurement Information System (PROMIS) Anxiety, Depression, Anger, Peer Relations, Mobility, Pain Interference, and Fatigue item banks, the Neurology Quality of Life measurement system (Neuro-QOL) Cognition-General Concerns and Stigma item banks, and the Traumatic Brain Injury Quality of Life (TBI-QOL) Executive Function and Headache item banks in a pediatric traumatic brain injury (TBI) sample...
March 7, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28268978/conformai-electronics-for-longitudinal-bio-sensing-in-at-home-assistive-and-rehabilitative-devices
#9
John C Batchelor, Stephen G Yeates, Alexander J Casson
Wearable electronics are revolutionizing personalized and preventative healthcare by allowing the easy, unobtrusive, and long term monitoring of a range of body parameters. Conformal electronics which attach directly to the skin in a very robust and long term manner are envisioned as the next generation of highly portable miniaturized computing devices, beyond wearables. In this paper we overview the state-of-the-art in conformal electronics created using silver nanoparticle inkjet printed techniques for home assistive and rehabilitative devices...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28251887/yeats-domain-containing-4-promotes-gastric-cancer-cell-proliferation-and-mediates-tumor-progression-via-activating-the-wnt-%C3%AE-catenin-signaling-pathway
#10
Sheqing Ji, Youxiang Zhang, Binhai Yang
Increased expression of YEATS domain containing 4 (YEATS4) has been reported to have correlation with the progression in lots of cancers. However, the mechanism on how it promotes the development of gastric cancer (GC) is rarely reported. This study aimed to investigate the effect of YEATS4 on cell proliferation and tumor progression. The mRNA and protein expressions of YEATS4 in GC tissues and cell lines were analyzed. Then BGC-823 cells were overexpressed or silenced YEATS4 by transfection of different plasmids...
March 2, 2017: Oncology Research
https://www.readbyqxmd.com/read/28242266/contributions-of-basolateral-amygdala-and-nucleus-accumbens-subregions-to-mediating-motivational-conflict-during-punished-reward-seeking
#11
Patrick T Piantadosi, Dylan C M Yeates, Mathew Wilkins, Stan B Floresco
The involvement of different nodes within meso-cortico-limbic-striatal circuitry in mediating reward-seeking has been well described, yet comparatively less is known about how such circuitry may regulate appetitively-motivated behaviors that may be punished. The basolateral amygdala (BLA) is one nucleus that has been implicated in suppressing punished reward-seeking, and this structure can modulate goal-directed behavior via projections to subregions of the nucleus accumbens (NAc). Here, we examined the effects of reversible inactivations of the BLA, NAc Shell (NAcS), and core (NAcC) on performance of a "Conflict" task where rats pressed a lever for sucrose reinforcement during three distinct 5min phases...
February 24, 2017: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/28241141/enl-links-histone-acetylation-to-oncogenic-gene-expression-in-acute-myeloid-leukaemia
#12
Liling Wan, Hong Wen, Yuanyuan Li, Jie Lyu, Yuanxin Xi, Takayuki Hoshii, Julia K Joseph, Xiaolu Wang, Yong-Hwee E Loh, Michael A Erb, Amanda L Souza, James E Bradner, Li Shen, Wei Li, Haitao Li, C David Allis, Scott A Armstrong, Xiaobing Shi
Cancer cells are characterized by aberrant epigenetic landscapes and often exploit chromatin machinery to activate oncogenic gene expression programs. Recognition of modified histones by 'reader' proteins constitutes a key mechanism underlying these processes; therefore, targeting such pathways holds clinical promise, as exemplified by the development of bromodomain and extra-terminal (BET) inhibitors. We recently identified the YEATS domain as an acetyl-lysine-binding module, but its functional importance in human cancer remains unknown...
March 9, 2017: Nature
https://www.readbyqxmd.com/read/28241139/transcription-control-by-the-enl-yeats-domain-in-acute-leukaemia
#13
Michael A Erb, Thomas G Scott, Bin E Li, Huafeng Xie, Joshiawa Paulk, Hyuk-Soo Seo, Amanda Souza, Justin M Roberts, Shiva Dastjerdi, Dennis L Buckley, Neville E Sanjana, Ophir Shalem, Behnam Nabet, Rhamy Zeid, Nana K Offei-Addo, Sirano Dhe-Paganon, Feng Zhang, Stuart H Orkin, Georg E Winter, James E Bradner
Recurrent chromosomal translocations producing a chimaeric MLL oncogene give rise to a highly aggressive acute leukaemia associated with poor clinical outcome. The preferential involvement of chromatin-associated factors as MLL fusion partners belies a dependency on transcription control. Despite recent progress made in targeting chromatin regulators in cancer, available therapies for this well-characterized disease remain inadequate, prompting the need to identify new targets for therapeutic intervention. Here, using unbiased CRISPR-Cas9 technology to perform a genome-scale loss-of-function screen in an MLL-AF4-positive acute leukaemia cell line, we identify ENL as an unrecognized gene that is specifically required for proliferation in vitro and in vivo...
March 9, 2017: Nature
https://www.readbyqxmd.com/read/28235926/staying-in-or-going-out-the-dilemma-for-cat-welfare
#14
James Yeates, David Yates
No abstract text is available yet for this article.
February 25, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28228475/parallel-evolution-of-mound-building-and-grass-feeding-in-australian-nasute-termites
#15
Daej A Arab, Anna Namyatova, Theodore A Evans, Stephen L Cameron, David K Yeates, Simon Y W Ho, Nathan Lo
Termite mounds built by representatives of the family Termitidae are among the most spectacular constructions in the animal kingdom, reaching 6-8 m in height and housing millions of individuals. Although functional aspects of these structures are well studied, their evolutionary origins remain poorly understood. Australian representatives of the termitid subfamily Nasutitermitinae display a wide variety of nesting habits, making them an ideal group for investigating the evolution of mound building. Because they feed on a variety of substrates, they also provide an opportunity to illuminate the evolution of termite diets...
February 2017: Biology Letters
https://www.readbyqxmd.com/read/28227188/conformai-electronics-for-longitudinal-bio-sensing-in-at-home-assistive-and-rehabilitative-devices
#16
John C Batchelor, Stephen G Yeates, Alexander J Casson, John C Batchelor, Stephen G Yeates, Alexander J Casson, Stephen G Yeates, John C Batchelor, Alexander J Casson
Wearable electronics are revolutionizing personalized and preventative healthcare by allowing the easy, unobtrusive, and long term monitoring of a range of body parameters. Conformal electronics which attach directly to the skin in a very robust and long term manner are envisioned as the next generation of highly portable miniaturized computing devices, beyond wearables. In this paper we overview the state-of-the-art in conformal electronics created using silver nanoparticle inkjet printed techniques for home assistive and rehabilitative devices...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28220957/the-association-of-a-heart-attack-or-stroke-with-depressive-symptoms-stratified-by-the-presence-of-a-close-social-contact-findings-from-the-national-health-and-aging-trends-study-cohort
#17
Adam Simning, Christopher L Seplaki, Yeates Conwell
OBJECTIVE: The objective of the study is to examine whether the risk of having clinically significant depressive symptoms following a heart attack or stroke varies by the presence of a close social contact. METHODS: The National Health and Aging Trends Study is a nationally representative longitudinal survey of US Medicare beneficiaries aged 65 and older initiated in 2011. A total of 5643 older adults had information on social contacts at baseline and depressive symptoms at the 1-year follow-up interview...
February 21, 2017: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28215901/physical-health-medication-and-healthcare-utilization-among-70-year-old-people-with-schizophrenia-a-nationwide-danish-register-study
#18
Maria Brink, Anders Green, Anders Bo Bojesen, J Steven Lamberti, Yeates Conwell, Kjeld Andersen
OBJECTIVES: In light of the excess early mortality in schizophrenia, mainly due to physical illnesses, we investigated medical comorbidity, use of medication, and healthcare utilization among individuals with schizophrenia who survived into older ages to uncover potential factors contributing to their longevity. DESIGN: A nationwide register-based case-control study comparing 70-year-olds with and without schizophrenia. SETTING: Cases were drawn from the Danish Psychiatric Central Register...
January 9, 2017: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28209126/a-meta-analysis-reveals-complex-regulatory-properties-at-taf14-repressed-genes
#19
Josipa Nemet, Nikolina Vidan, Mary Sopta
BACKGROUND: Regulation of gene transcription in response to stress is central to a cell's ability to cope with environmental challenges. Taf14 is a YEATS domain protein in S.cerevisiae that physically associates with several transcriptionally relevant multisubunit complexes including the general transcription factors TFIID and TFIIF and the chromatin-modifying complexes SWI/SNF, INO80, RSC and NuA3. TAF14 deletion strains are sensitive to a variety of stresses suggesting that it plays a role in the transcriptional stress response...
February 16, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28203533/modification-of-extraction-method-for-community-dna-isolation-from-salt-affected-compact-wasteland-soil-samples
#20
Purvi Zaveri, Rushika Patel, Meghavi Patel, Devki Sarodia, Nasreen S Munshi
To overcome the issue of interferences by salt and compactness in release of bacterial cell required for lysis, method described by Yeates et al. (1998), was optimized for isolation of genomic material (Deoxyribo Nucleic Acid, DNA) from soil microbial community by addition of Al(NH4)SO4. Very low total viable count was observed in the samples tested and hence use of higher amount of soil is required primarily for DNA isolation from wasteland soils. The method proves itself efficient where commercially available bead beating and enzymatic lysis methods could not give isolation of any amount of community genomic DNA due to compact nature and salt concentrations present in soil...
2017: MethodsX
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