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https://www.readbyqxmd.com/read/29331736/dysfunctional-telomeres-and-hematological-disorders
#1
REVIEW
Elena Fiorini, Andrea Santoni, Simona Colla
Telomere biology disorders, which are characterized by telomerase activity haploinsufficiency and accelerated telomere shortening, most commonly manifest as degenerative diseases. Tissues with high rates of cell turnover, such as those in the hematopoietic system, are particularly vulnerable to defects in telomere maintenance genes that eventually culminate in bone marrow (BM) failure syndromes, in which the BM cannot produce sufficient new blood cells. Here, we review how telomere defects induce degenerative phenotypes across multiple organs, with particular focus on how they impact the hematopoietic stem and progenitor compartment and affect hematopoietic stem cell (HSC) self-renewal and differentiation...
January 4, 2018: Differentiation; Research in Biological Diversity
https://www.readbyqxmd.com/read/29320866/paradigm-shift-in-psychiatry-what-may-it-involve
#2
Paul Valent
OBJECTIVE: This study aims to examine the potential nature of an ongoing paradigm shift in psychiatry that has been suggested to be occurring. CONCLUSIONS: New findings in traumatology and neuroscience do form a potential platform for a paradigm shift. Prior conflicting paradigms are suggested to be due to biases arising from mental structures themselves. A new wholist perspective is proposed, which makes sense of and incorporates previous paradigms, and coheres recent understanding of right- and left-brain functioning and biopsychosocial traumatic processes and their ramifications...
January 1, 2018: Australasian Psychiatry: Bulletin of Royal Australian and New Zealand College of Psychiatrists
https://www.readbyqxmd.com/read/29320641/american-association-of-clinical-endocrinologists-and-american-college-of-endocrinology-position-statement-on-testing-for-autonomic-and-somatic-nerve-dysfunction
#3
Aaron I Vinik, Pauline M Camacho, Jaime A Davidson, Yehuda Handelsman, Howard M Lando, Anne L Leddy, Sethu K Reddy, Richard Cook, Vicenza Spallone, Solomon Tesfaye, Dan Ziegler
This document represents the official position of the American Association of Clinical Endocrinologists and the American College of Endocrinology. Where there were no randomized controlled trials or specific U.S. FDA labeling for issues in clinical practice, the participating clinical experts utilized their judgment and experience. Every effort was made to achieve consensus among the committee members. Position statements are meant to provide guidance, but they are not to be considered prescriptive for any individual patient and cannot replace the judgment of a clinician...
December 2017: Endocrine Practice
https://www.readbyqxmd.com/read/29317593/loneliness-5-years-ante-mortem-is-associated-with-disease-related-differential-gene-expression-in-postmortem-dorsolateral-prefrontal-cortex
#4
Turhan Canli, Lei Yu, Xiaoqing Yu, Hongyu Zhao, Debra Fleischman, Robert S Wilson, Philip L De Jager, David A Bennett
Subjective social isolation, loneliness, is associated with poor mental and physical health, but the underlying molecular mechanisms are poorly understood. Here we analyzed loneliness data collected on average 5 years ante-mortem and RNA gene expression at death in postmortem dorsolateral prefrontal cortex (DLPFC) from 181 participants in the Rush Memory and Aging Project (MAP), a longitudinal, prospective cohort study of common chronic conditions of aging. Our analytic protocol controlled for biographical variables (age, sex, education), psychological and health variables (depressive symptoms, interval between assessment and autopsy, slope of cognitive decline, AD pathology, presence of infarcts) and RNA integrity...
January 10, 2018: Translational Psychiatry
https://www.readbyqxmd.com/read/29313376/paroxetine-therapy-for-somatic-delusion-implications-for-underlying-serotonergic-dysfunction
#5
Vijay Niranjan, Koustubh R Bagul, Pali Rastogi
No abstract text is available yet for this article.
January 1, 2018: Australian and New Zealand Journal of Psychiatry
https://www.readbyqxmd.com/read/29303969/workaholism-as-a-mediator-between-work-related-stressors-and-health-outcomes
#6
Cecilie Schou Andreassen, Ståle Pallesen, Torbjørn Torsheim
It is currently unknown if unfavorable working conditions, reflected by the demand-control-support model and the effort-reward imbalance model, directly influence health or if the effects may be mediated by work-related attitudes and behaviors such as workaholism. In the present study, 988 employees (55.6% males, mean age 36.09, SD = 9.23) from a large consultant firm participated in a cross-sectional survey assessing work variables such as job demands, job control, social support, effort, reward, and overcommitment...
January 5, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29299971/the-role-of-the-fas-fasl-signaling-pathway-in-environmental-toxicant-induced-testicular-cell-apoptosis-an-update
#7
Mei Wang, Ping Su
The Fas/FasL signaling pathway is one of the major pathways that regulate apoptosis. Increasing studies have shown that the activation of the Fas/FasL signaling pathway is closely associated with testicular cell apoptosis. However, the mechanism involved is still unclear. We discuss recent findings regarding the molecular mechanisms by which environmental toxicants induce testicular pathology via Fas/FasL signaling. These findings suggest that Fas/FasL signaling is employed to impact the sensitivity (a response to external factors) of germ cells, disrupt steroidogenic hormone and cytokine metabolism mediated by Sertoli cells, and elicit the activation of NFAT (nuclear factor of activated T-cells) in Leydig cell apoptosis...
January 4, 2018: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/29262292/mice-overexpressing-lamin-b1-in-oligodendrocytes-recapitulate-the-age-dependent-motor-signs-but-not-the-early-autonomic-cardiovascular-dysfunction-of-autosomal-dominant-leukodystrophy-adld
#8
Viviana Lo Martire, Sara Alvente, Stefano Bastianini, Chiara Berteotti, Cristiano Bombardi, Giovanna Calandra-Buonaura, Sabina Capellari, Gary Cohen, Pietro Cortelli, Laura Gasparini, Quasar Padiath, Alice Valli, Giovanna Zoccoli, Alessandro Silvani
Autosomal dominant leukodystrophy (ADLD) is a rare adult-onset demyelinating disease caused by overexpression of lamin B1, a nuclear lamina filament. Early autonomic dysfunction involving the cardiovascular system before progressive somatic motor dysfunction is a striking feature of most cases of ADLD. In the Plp-FLAG-LMNB1 transgenic mouse model, lamin B1 overexpression in oligodendrocytes elicits somatic motor dysfunction and neuropathology akin to ADLD. Here, we investigate whether Plp-FLAG-LMNB1 mice also develop autonomic cardiovascular dysfunctions before or after somatic motor dysfunction...
December 17, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/29250027/derivation-of-a-three-biomarker-panel-to-improve-diagnosis-in-patients-with-mild-traumatic-brain-injury
#9
W Frank Peacock, Timothy E Van Meter, Nazanin Mirshahi, Kyle Ferber, Robert Gerwien, Vani Rao, Haris Iqbal Sair, Ramon Diaz-Arrastia, Frederick K Korley
Background: Nearly 5 million emergency department (ED) visits for head injury occur each year in the United States, of which <10% of patients show abnormal computed tomography (CT) findings. CT negative patients frequently suffer protracted somatic, behavioral, and neurocognitive dysfunction. Our goal was to evaluate biomarkers to identify mild TBI (mTBI) in patients with suspected head injury. Methods: An observational ED study of head-injured and control patients was conducted at Johns Hopkins University (HeadSMART)...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29248510/feeling-the-pressure-to-be-perfect-impact-on-pain-related-distress-and-dysfunction-in-youth-with-chronic-pain
#10
Edin T Randall, Kelly R Smith, Corey A Kronman, Caitlin Conroy, Allison M Smith, Laura E Simons
Despite clinical observation of perfectionistic tendencies among youth with chronic pain and their parents as well as established relationships between perfectionism and functional somatic symptoms in adults and youth, no research in the pediatric pain literature has examined perfectionism. This study explored the role of various types of youth and parent perfectionism on youth and parent pain-related distress and behavior and youth pain-related dysfunction. At admission, 239 parent-child pairs from outpatient and day-treatment rehabilitation settings completed several questionnaires assessing perfectionism, pain-related distress, and pain-related dysfunction...
December 14, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/29238391/functional-impairment-and-painful-physical-symptoms-in-patients-with-major-depressive-disorder-treated-with-antidepressants-real-world-evidence-from-the-middle-east
#11
Jihyung Hong, Diego Novick, Maria Victoria Moneta, Ahmed El-Shafei, Héctor Dueñas, Josep Maria Haro
Background: The Global Burden of Disease 2010 study reported the relative size of major depressive disorder (MDD) burden to be greater in the Middle East and North Africa than anywhere else. However, little research has been carried out to examine the comparative effectiveness of antidepressants in this region. Objective: To assess and compare functioning levels in Middle Eastern patients with MDD treated with either duloxetine or a selective serotonin reuptake inhibitor (SSRI), and to examine the impacts of depression-related pain on functioning by the type of treatment...
2017: Clinical Practice and Epidemiology in Mental Health: CP & EMH
https://www.readbyqxmd.com/read/29229621/stem-cell-therapy-for-congenital-heart-disease-a-systematic-review
#12
REVIEW
Diamantis I Tsilimigras, Evangelos K Oikonomou, Demetrios Moris, Dimitrios Schizas, Konstantinos P Economopoulos, Konstantinos S Mylonas
BACKGROUND: Congenital heart disease (CHD) constitutes the most prevalent and heterogeneous group of congenital anomalies. Although surgery remains the gold standard treatment modality, stem cell therapy has been gaining ground as a complimentary or alternative treatment option in certain types of CHD. The aim of this study was to present the existing published evidence and ongoing research efforts on the implementation of stem cell-based therapeutic strategies in CHD. METHODS: A systematic review was conducted by searching Medline, ClinicalTrials...
December 12, 2017: Circulation
https://www.readbyqxmd.com/read/29222988/medically-unexplained-physical-symptoms-in-patients-attending-a-medical-outpatient-clinic-in-a-tertiary-hospital-in-north-india
#13
Mohit Sharma, Shubh Mohan Singh, Ajit Avasthi, Subhash C Varma, Aman Sharma, Vikas Suri
OBJECTIVE: Medically unexplained physical symptoms (MUPS) are commonly seen across health care settings. Earlier studies have focussed on prevalence, cost-utilization and burden. Data from India is scarce. Patients with persistent MUPS have more impairment and psychological distress. This study was designed to assess psychological morbidity, health anxiety (HA), somatic symptom load, disability, quality of life (QOL) in patients with persistent MUPS presenting to a general medical outpatient service and compare it with patients with medically explained physical symptoms (MEPS)...
December 2, 2017: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/29222292/uncoding-the-genetic-heterogeneity-of-myelodysplastic-syndrome
#14
REVIEW
R Coleman Lindsley
Myelodysplastic syndrome (MDS) is a clinically heterogeneous disease characterized by functional impairment of hematopoiesis and abnormal bone marrow morphology. The type and severity of hematopoietic dysfunction in MDS are highly variable, and the kinetics of disease progression are difficult to predict. Genomic studies have shown that MDS is typically driven by a multistep somatic genetic process affecting a core set of genes. By definition, recurrent MDS driver mutations all drive clonal dominance, although they can have stereotyped positions in the clonal hierarchy or patterns of comutation association and exclusivity...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29208995/c-phycocyanin-protects-against-mitochondrial-dysfunction-and-oxidative-stress-in-parthenogenetic-porcine-embryos
#15
Ying-Jie Niu, Wenjun Zhou, Jing Guo, Zheng-Wen Nie, Kyung-Tae Shin, Nam-Hyung Kim, Wen-Fa Lv, Xiang-Shun Cui
C-Phycocyanin (CP) is a biliprotein enriched in blue-green algae that is known to possess antioxidant, anti-apoptosis, anti-inflammatory, and radical-scavenging properties in somatic cells. However, the protective effect of CP on porcine embryo developmental competence in vitro remains unclear. In the present study, we investigated the effect of CP on the development of early porcine embryos as well as its underlying mechanisms. Different concentrations of CP (2, 5, 8, 10 μg/mL) were added to porcine zygote medium 5 during in vitro culture...
December 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29200858/group-cognitive-behavioral-therapy-in-insomnia-a-cross-sectional-case-controlled-study
#16
Hongjing Mao, Yutian Ji, You Xu, Guangzheng Tang, Zhenghe Yu, Lianlian Xu, Chanchan Shen, Wei Wang
Background: Group cognitive-behavioral therapy (GCBT) might meet the considerable treatment demand of insomnia, but its effectiveness needs to be addressed. Participants: This study recruited 27 insomnia patients treated with 16-weeks of zolpidem (zolpidem group), 26 patients treated with 4-weeks of zolpidem and also treated with 12-weeks of GCBT (GCBT group), and 31 healthy control volunteers. Methods: Before treatment and 16 weeks after intervention, participants were evaluated using the Patient Health Questionnaires (Patient Health Questionnaire-9 [PHQ-9] and Patient Health Questionnaire-15 [PHQ-15]), the Dysfunctional Beliefs and Attitudes about Sleep-16 (DBAS-16), and the Pittsburgh Sleep Quality Index (PSQI)...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/29200802/voluntary-and-involuntary-singlehood-and-young-adults-mental-health-an-investigation-of-mediating-role-of-romantic-loneliness
#17
Katarzyna Adamczyk
The present study tested the hypothesis that single young adults who perceive their singlehood as voluntary would report a higher level of positive mental health (i.e., emotional, psychological and social well-being), lower levels of mental health illness (i.e., somatic symptoms, anxiety, social dysfunction, severe depression) and romantic loneliness in comparison to young adults who perceive their singlehood as involuntary. This paper also investigated whether romantic loneliness mediates the relationship between voluntary and involuntary singlehood, positive mental health, and mental health illness...
2017: Current Psychology
https://www.readbyqxmd.com/read/29198246/neurocognitive-dysfunctioning-and-the-impact-of-comorbid-depression-and-anxiety-in-patients-with-somatic-symptom-and-related-disorders-a-cross-sectional-clinical-study
#18
Lars de Vroege, Anique Timmermans, Willem J Kop, Christina M van der Feltz-Cornelis
BACKGROUND: The prevalence and severity of neurocognitive dysfunctioning of patients with somatic symptom and related disorders (SSRD) is unknown. Furthermore, the influence of comorbid depression and anxiety has not been evaluated. This study examines neurocognitive dysfunctioning of patients with SSRD and explores if comorbid depression and anxiety is associated with specific neurocognitive dysfunctioning. METHODS: Cross-sectional study with consecutive patients suffering from SSRD visiting an outpatient specialty mental health care Centre of Excellence for SSRD...
December 4, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/29197196/analysis-of-the-prevalence-of-mental-disorders-in-psoriasis-the-relevance-of-psychiatric-assessment-in-dermatology
#19
Bárbara Roque Ferreira, José Luís Pio-Abreu, José Pedro Reis, Américo Figueiredo
BACKGROUND: The boundary between Dermatology and Psychiatry has increasing recognition. Psoriasis is a common psychophysiological skin disease with a major impact on patient's quality of life and a paradigmatic example of a pathology in that boundary. Studies are needed to exactly point out the prevalence of specific psychopathology and mental disorders associated with psoriasis. This work intends to analyse the prevalence of psychopathology and psychiatric comorbidities in patients with psoriasis...
December 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/29194125/nav1-7-and-pain-contribution-of-peripheral-nerves
#20
Tal Hoffmann, Ohad Sharon, Jürgen Wittmann, Richard W Carr, Alina Vyshnevska, Roberto De, Mohammed A Nassar, Peter W Reeh, Christian Weidner
The sodium channel NaV1.7 contributes to action potential generation and propagation. Loss-of-function mutations in patients lead to congenital indifference to pain, though it remains unclear where on the way from sensory terminals to CNS the signalling is disrupted. We confirm that conditional deletion of NaV1.7 in advillin expressing sensory neurons leads to impaired heat and mechanical nociception in behavioural tests. With single-fiber recordings from isolated skin we found (1) a significantly lower prevalence of heat responsiveness to in normally mechanosensitive C-fibers, although (2) the rare heat responses appeared quite vigorous and (3) heat-induced CGRP release was normal...
November 24, 2017: Pain
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