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https://www.readbyqxmd.com/read/28528457/exposure-to-parents-negative-emotions-as-a-developmental-pathway-to-the-family-aggregation-of-depression-and-anxiety-in-the-first-year-of-life
#1
REVIEW
Evin Aktar, Susan M Bögels
Depression and anxiety load in families. In the present study, we focus on exposure to parental negative emotions in first postnatal year as a developmental pathway to early parent-to-child transmission of depression and anxiety. We provide an overview of the little research available on the links between infants' exposure to negative emotion and infants' emotional development in this developmentally sensitive period, and highlight priorities for future research. To address continuity between normative and maladaptive development, we discuss exposure to parental negative emotions in infants of parents with as well as without depression and/or anxiety diagnoses...
May 20, 2017: Clinical Child and Family Psychology Review
https://www.readbyqxmd.com/read/28527045/amyotrophic-lateral-sclerosis-like-superoxide-dismutase-1-proteinopathy-is-associated-with-neuronal-loss-in-parkinson-s-disease-brain
#2
Benjamin G Trist, Katherine M Davies, Veronica Cottam, Sian Genoud, Richard Ortega, Stéphane Roudeau, Asuncion Carmona, Kasun De Silva, Valerie Wasinger, Simon J G Lewis, Perminder Sachdev, Bradley Smith, Claire Troakes, Caroline Vance, Christopher Shaw, Safa Al-Sarraj, Helen J Ball, Glenda M Halliday, Dominic J Hare, Kay L Double
Neuronal loss in numerous neurodegenerative disorders has been linked to protein aggregation and oxidative stress. Emerging data regarding overlapping proteinopathy in traditionally distinct neurodegenerative diseases suggest that disease-modifying treatments targeting these pathological features may exhibit efficacy across multiple disorders. Here, we describe proteinopathy distinct from classic synucleinopathy, predominantly comprised of the anti-oxidant enzyme superoxide dismutase-1 (SOD1), in the Parkinson's disease brain...
May 19, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28523271/the-protein-chaperone-clpx-targets-native-and-non-native-aggregated-substrates-for-remodeling-disassembly-and-degradation-with-clpp
#3
Christopher J LaBreck, Shannon May, Marissa G Viola, Joseph Conti, Jodi L Camberg
ClpX is a member of the Clp/Hsp100 family of ATP-dependent chaperones and partners with ClpP, a compartmentalized protease, to degrade protein substrates bearing specific recognition signals. ClpX targets specific proteins for degradation directly or with substrate-specific adaptor proteins. Native substrates of ClpXP include proteins that form large oligomeric assemblies, such as MuA, FtsZ, and Dps in Escherichia coli. To remodel large oligomeric substrates, ClpX utilizes multivalent targeting strategies and discriminates between assembled and unassembled substrate conformations...
2017: Frontiers in Molecular Biosciences
https://www.readbyqxmd.com/read/28522732/unbiased-proteomics-of-early-lewy-body-formation-model-implicates-active-microtubule-affinity-regulating-kinases-marks-in-synucleinopathies
#4
Michael X Henderson, Charlotte Hiu-Yan Chung, Dawn M Riddle, Bin Zhang, Ronald J Gathagan, Steven H Seeholzer, John Q Trojanowski, Virginia M Y Lee
Parkinson's disease (PD) patients progressively accumulate intracytoplasmic inclusions formed by misfolded α-synuclein known as Lewy bodies (LBs). LBs also contain other proteins that may or may not be relevant in the disease process. To identify proteins involved early in LB formation, we performed proteomic analysis of insoluble proteins in a primary neuron culture model of α-synuclein pathology. We identified proteins previously found in authentic LBs in PD as well as several novel proteins, including the microtubule affinity-regulating kinase 1 (MARK1), one of the most enriched proteins in this model of LB formation...
May 17, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28520492/use-of-a-digital-health-application-for-influenza-surveillance-in-china
#5
Yulin Hswen, John S Brownstein, Jeremiah Liu, Jared B Hawkins
OBJECTIVES: To examine whether a commercial digital health application could support influenza surveillance in China. METHODS: We retrieved data from the Thermia online and mobile educational tool, which allows parents to monitor their children's fever and infectious febrile illnesses including influenza. We modeled monthly aggregated influenza-like illness case counts from Thermia users over time and compared them against influenza monthly case counts obtained from the National Health and Family Planning Commission of the People's Republic of China by using time series regression analysis...
May 18, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28516505/associations-between-nursing-home-performance-and-hospital-30-day-readmissions-for-acute-myocardial-infarction-heart-failure-and-pneumonia-at-the-healthcare-community-level-in-the-united-states
#6
Michelle M Pandolfi, Yun Wang, Ann Spenard, Florence Johnson, Alice Bonner, Shih-Yieh Ho, Timothy Elwell, Anila Bakullari, Deron Galusha, Erica Leifheit-Limson, Judith H Lichtman, Harlan M Krumholz
OBJECTIVES: To evaluate community-specific nursing home performance with community-specific hospital 30-day readmissions for Medicare patients discharged with acute myocardial infarction, heart failure or pneumonia. DESIGN: Cross-sectional study using 2009-2012 hospital risk-standardised 30-day readmission data for Medicare fee-for-service patients hospitalised for all three conditions and nursing home performance data from the Centers for Medicare & Medicaid Services Five-Star Quality Rating System...
May 17, 2017: International Journal of Older People Nursing
https://www.readbyqxmd.com/read/28513464/pharmacological-features-of-osthole
#7
Agata Jarząb, Aneta Grabarska, Krystyna Skalicka-Woźniak, Andrzej Stepulak
Coumarins are a group of naturally occurring compounds common in the plant world. These substances and their derivatives exhibit a broad range of biological activities. One of the naturally occurring coumarins is osthole, which can most frequently be found in plants of the Apiaceae family. Cnidium monnieri (L.) Cusson ex Juss. Angelica pubescens Maxim. and Peucedanum ostruthium (L.). It has anti-proliferative, anti-inflammatory, anti-convulsant, and antiallergic properties; apart from that, inhibition of platelet aggregation has also been proved...
May 15, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28509362/developing-polyamine-based-peptide-amphiphiles-with-tunable-morphology-and-physicochemical-properties
#8
Mehdi Bin Samad, Yashpal Singh Chhonker, Jacob I Contreras, Alec McCarthy, Megan M McClanahan, Daryl J Murry, Martin Conda-Sheridan
The ability to tune supramolecular properties such as size, morphology, or metabolic stability is of paramount importance in the field of supramolecular chemistry. Peptide amphiphiles (PAs) are a family of functional self-assembling biomaterials that have garnered widespread attention due to their broad applicability in medicine. PAs are generally comprised of an amino acid sequence connected to lipid tail(s) allowing them to self-assemble into supramolecular structures with diverse morphologies. Herein, this study describes the synthesis of a new class of polyamine-based "hybrid" PAs (PPAs) as novel self-assembling systems...
May 16, 2017: Macromolecular Bioscience
https://www.readbyqxmd.com/read/28509352/convergent-mechanisms-favor-fast-amyloid-formation-in-two-lambda-6a-ig-light-chain-mutants
#9
Gilberto Valdés-García, Cesar Millan-Pacheco, Nina Pastor
Extracellular deposition as amyloids of immunoglobulin light chains causes light chain amyloidosis. Among the light chain families, lambda 6a is one of the most frequent in light chain amyloidosis patients. Its germline protein, 6aJL2, and point mutants, R24G and P7S, are good models to study fibrillogenesis, because their stability and fibril formation characteristics have been described. Both mutations make the germline protein unstable and speed up its ability to aggregate. To date, there is no molecular mechanism that explains how these differences in amyloidogenesis can arise from a single mutation...
May 16, 2017: Biopolymers
https://www.readbyqxmd.com/read/28508565/menaquinone-4-enhances-osteogenic-potential-of-human-amniotic-fluid-mesenchymal-stem-cells-cultured-in-a-2d-and-3d-dynamic-culture-system
#10
Domitilla Mandatori, Letizia Penolazzi, Caterina Pipino, Pamela Di Tomo, Sara Di Silvestre, Natalia Di Pietro, Sara Trevisani, Marco Angelozzi, Mariangela Ucci, Roberta Piva, Assunta Pandolfi
Menaquinones, also known as Vitamin K2 family, regulate calcium homeostasis in a "bone-vascular cross talk" and recently received particular attention for their positive effect on bone formation. Since the correlation between menaquinones and bone metabolism to date is still unclear, the objective of our study was to investigate the possible role of menaquinone-4 (MK-4), an isoform of the menaquinones family, in the modulation of osteogenesis. For this reason we used a model of human Amniotic Fluid Mesenchymal Stem Cells (hAFMSCs) cultured both in two-dimensional (2D) and three-dimensional (3D, RCCS™bioreactor) in vitro culture systems...
May 16, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28506831/cryab-promotes-the-invasion-and-metastasis-of-colorectal-cancer-via-epithelial-mesenchymal-transition
#11
Chuanbing Shi, Xiaojun Yang, Xiaodong Bu, Ning Hou, Pingsheng Chen
Alpha B-crystallin (CRYAB, HSPB5) is a protein that was first discovered in the lens of the eye. It is a member of the small heat-shock protein family (sHsps). CRYAB functions primarily as a molecular chaperone to prevent the aggregation and degradation of damaged unfolded proteins due to cellular damage resulting from heat shock, radiation, oxidative stress, and other insults, thereby promoting cell survival and preventing apoptosis. In recent years, the role of CRYAB in tumorigenesis, tumor invasion, and metastasis has received increasing attention...
May 12, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28506438/prion-like-spreading-in-tauopathies
#12
REVIEW
Jacob I Ayers, Benoit I Giasson, David R Borchelt
Tau is a microtubule-associated protein that functions in regulating cytoskeleton dynamics, especially in neurons. Misfolded and aggregated forms of tau produce pathological structures in a number of neurodegenerative diseases, including Alzheimer's disease (AD) and tauopathy dementias. These disorders can present with a sporadic etiology, such as in AD, or a familial etiology, such as in some cases of frontotemporal dementia with parkinsonism. Notably, the pathological features of tau pathology in these diseases can be very distinct...
April 13, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/28506184/complications-of-psychotropic-and-pain-medications-in-an-ultrarapid-metabolizer-patient-at-the-upper-1-of-cytochrome-p450-cyp450-function-quantified-by-combinatorial-cyp450-genotyping
#13
Gualberto Ruaño, Karen Larsen, Mohan Kocherla, James Samuel Graydon, Jonathan Kost
A 44-year-old Caucasian woman presented with a history of empirical treatment with 20 pain and psychotropic medications, as well as dual comorbidity of intractable pain and depression. A multiple gain-of-function profile in the CYP450 family of cytochrome P450 (CYP450) drug metabolism isoenzymes was discovered. The patient was a homozygote of suprafunctional alleles for both CYP2D6 ((*)35/(*)35) and CYP2C19 ((*)17/(*)17) genes and functional alleles for CYP2C9 ((*)1/(*)1), which account for aggregate drug metabolism function at the upper 1% of the population...
May 16, 2017: Journal of Pain & Palliative Care Pharmacotherapy
https://www.readbyqxmd.com/read/28504929/evolution-of-an-intricate-j-protein-network-driving-protein-disaggregation-in-eukaryotes
#14
Nadinath B Nillegoda, Antonia Stank, Duccio Malinverni, Niels Alberts, Anna Szlachcic, Alessandro Barducci, Paolo De Los Rios, Rebecca C Wade, Bernd Bukau
Hsp70 participates in a broad spectrum of protein folding processes extending from nascent chain folding to protein disaggregation. This versatility in function is achieved through a diverse family of J-protein cochaperones that select substrates for Hsp70. Substrate selection is further tuned by transient complexation between different classes of J-proteins, which expands the range of protein aggregates targeted by metazoan Hsp70 for disaggregation. We assessed the prevalence and evolutionary conservation of J-protein complexation and cooperation in disaggregation...
May 15, 2017: ELife
https://www.readbyqxmd.com/read/28504052/adenosine-a2a-receptor-agonists-with-potent-antiplatelet-activity
#15
Eduardo Fuentes, Manuel Fuentes, Julio Caballero, Iván Palomo, Sonja Hinz, Ali El-Tayeb, Christa E Müller
Selected adenosine A2A receptor agonists (PSB-15826, PSB-12404, and PSB-16301) have been evaluated as new antiplatelet agents. In addition, radioligand-binding studies and receptor-docking experiments were performed in order to explain their differential biological effects on a molecular level. Among the tested adenosine derivatives, PSB-15826 was the most potent compound to inhibit platelet aggregation (EC50 0.32 ± 0.05 µmol/L) and platelet P-selectin cell-surface localization (EC50 0.062 ± 0.2 µmol/L), and to increase intraplatelets cAMP levels (EC50 0...
May 15, 2017: Platelets
https://www.readbyqxmd.com/read/28498175/experiences-of-healthcare-professionals-of-having-their-significant-other-admitted-to-an-acute-care-facility-a-qualitative-systematic-review
#16
Hussamaldeen Sabyani, Richard Wiechula, Judy Magarey, Frank Donnelly
BACKGROUND: Most healthcare professionals at some time will experience having a significant other admitted to an acute care hospital. The knowledge and understanding that these individuals possess because of their professional practice can potentially alter this experience. Expectations of staff and other family members (FMs) can potentially increase the burden on these health professionals. All FMs of patients should have their needs and expectations considered; however, this review specifically addresses what may be unique for healthcare professionals...
May 2017: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/28494706/ranid-herpesvirus-3-and-proliferative-dermatitis-in-free-ranging-wild-common-frogs-rana-temporaria
#17
F C Origgi, B R Schmidt, P Lohmann, P Otten, E Akdesir, V Gaschen, L Aguilar-Bultet, T Wahli, U Sattler, M H Stoffel
Amphibian pathogens are of current interest as contributors to the global decline of amphibians. However, compared with chytrid fungi and ranaviruses, herpesviruses have received relatively little attention. Two ranid herpesviruses have been described: namely, Ranid herpesvirus 1 (RHV1) and Ranid herpesvirus 2 (RHV2). This article describes the discovery and partial characterization of a novel virus tentatively named Ranid herpesvirus 3 (RHV3), a candidate member of the genus Batrachovirus in the family Alloherpesviridae...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28493373/the-novel-%C3%AE-b-crystallin-cryab-mutation-p-d109g-causes-restrictive-cardiomyopathy
#18
Andreas Brodehl, Anna Gaertner-Rommel, Bärbel Klauke, Simon Andre Grewe, Ilona Schirmer, Andreas Peterschröder, Lothar Faber, Matthias Vorgerd, Jan Gummert, Dario Anselmetti, Uwe Schulz, Lech Paluszkiewicz, Hendrik Milting
Restrictive cardiomyopathy (RCM) is a rare heart disease characterized by diastolic dysfunction and atrial enlargement. The genetic etiology of RCM is not completely known. We identified by a next-generation sequencing panel the novel CRYAB missense mutation c.326A>G, p.D109G in a small family with RCM in combination with skeletal myopathy with an early onset of the disease. CRYAB encodes αB-Crystallin, a member of the small heat shock protein family, which is highly expressed in cardiac and skeletal muscle...
May 11, 2017: Human Mutation
https://www.readbyqxmd.com/read/28488760/dysregulated-metabolism-of-the-amyloid-%C3%AE-protein-and-therapeutic-approaches-in-alzheimer-disease
#19
Kazunori Kikuchi, Kiwami Kidana, Takuya Tatebe, Taisuke Tomita
Amyloid-β protein (Aβ) is the main component of senile plaques in the brains of Alzheimer disease (AD) patients. Aβ is proteolytically derived from amyloid-β precursor protein by β- and γ-secretases. Secreted Aβ is then eliminated from the central nervous system by multiple clearance mechanisms, including phagocytosis, immune responses, and proteolytic degradation. These dynamic metabolic processes, which are referred to as Aβ economy, regulate steady-state brain Aβ levels. Familial AD-linked genetic mutations augment the production and aggregation of Aβ...
May 10, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28487367/insights-into-the-mechanism-of-cystatin-c-oligomer-and-amyloid-formation-and-its-interaction-with-beta-amyloid
#20
Tyler J Perlenfein, Jacob D Mehlhoff, Regina M Murphy
Cystatin C (CysC) is a versatile and ubiquitously-expressed member of the cysteine protease inhibitor family that is present at notably high concentration in cerebrospinal fluid. Under mildly denaturing conditions, CysC forms inactive domain-swapped dimers. A destabilizing mutation, L68Q, increases the rate of domain-swapping and causes a fatal amyloid disease, Hereditary Cystatin C Amyloid Angiopathy. Wild-type (wt) CysC will also aggregate into amyloid fibrils under some conditions. Propagated domain swapping has been proposed as the mechanism by which CysC fibrils grow...
May 9, 2017: Journal of Biological Chemistry
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