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https://www.readbyqxmd.com/read/28437731/children-and-adolescents-facing-a-continuous-security-threat-aggressive-behavior-and-post-traumatic-stress-symptoms
#1
Orit Nuttman-Shwartz
There is extensive research evidence indicating that children and youth are the most vulnerable population for developing psychological symptoms relating to war and terror. Although studies have documented a wide range of detrimental emotional and behavioral effects of such exposure, much less is known about the effects of exposure to a continuous security threat for children and adolescents. Against this background, the current article examined the implications of continuous exposure to missile attacks among 1096 children and adolescents enrolled in public schools near the Israeli border with Gaza...
April 21, 2017: Child Abuse & Neglect
https://www.readbyqxmd.com/read/28434137/cholesterol-hydroperoxide-generation-translocation-and-reductive-turnover-in-biological-systems
#2
Albert W Girotti, Witold Korytowski
Cholesterol is like other unsaturated lipids in being susceptible to peroxidative degradation upon exposure to strong oxidants like hydroxyl radical or peroxynitrite generated under conditions of oxidative stress. In the eukaryotic cell plasma membrane, where most of the cellular cholesterol resides, peroxidation leads to membrane structural and functional damage from which pathological states may arise. In low density lipoprotein, cholesterol and phospholipid peroxidation have long been associated with atherogenesis...
April 22, 2017: Cell Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28433788/regulation-of-human-nucleus-pulposus-cells-by-peptide-coupled-substrates
#3
Devin T Bridgen, Bailey V Fearing, Liufang Jing, Johannah Sanchez-Adams, Megan C Cohan, Farshid Guilak, Jun Chen, Lori A Setton
Nucleus pulposus (NP) cells are derived from the notochord and differ from neighboring cells of the intervertebral disc in phenotypic marker expression and morphology. Adult human NP cells lose this phenotype and morphology with age in a pattern that contributes to progressive disc degeneration and pathology. Select laminin-mimetic peptide ligands and substrate stiffnesses were examined for their ability to regulate human NP cell phenotype and biosynthesis through the expression of NP-specific markers aggrecan, N-cadherin, collagen types I and II, and GLUT1...
April 19, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28430591/poly-adenosine-diphosphate-ribose-polymerase-as-therapeutic-target-lessons-learned-from-its-inhibitors
#4
REVIEW
Anna Mária Cseh, Zsolt Fábián, Balázs Sümegi, Luca Scorrano
Poly(ADP-ribose) polymerases are a family of DNA-dependent nuclear enzymes catalyzing the transfer of ADP-ribose moieties from cellular nicotinamide-adenine-dinucleotide to a variety of target proteins. Although they have been considered as resident nuclear elements of the DNA repair machinery, recent works revealed a more intricate physiologic role of poly(ADP-ribose) polymerases with numerous extranuclear activities. Indeed, poly(ADP-ribose) polymerases participate in fundamental cellular processes like chromatin remodelling, transcription or regulation of the cell-cycle...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28429166/lps-administration-increases-cd11b-c-fms-cd14-cell-population-that-possesses-osteoclast-differentiation-potential-in-mice
#5
Takuya Enomoto, Masamichi Takami, Matsuo Yamamoto, Ryutaro Kamijo
Osteoclasts are multinucleated giant cells that originate from a monocyte/macrophage lineage, and are involved in the inflammatory bone destruction accompanied by periodontitis. Recent studies have shown that osteoclast precursors reside not only in the bone marrow, but also in the peripheral blood and spleen, though the precise characteristics of each precursor have not been analyzed. We hypothesized that the number of osteoclast precursors in those tissues may increase under pathological conditions and contribute to osteoclast formation in vivo in a mouse model...
April 20, 2017: Cytotechnology
https://www.readbyqxmd.com/read/28424484/the-tandem-agenet-domain-of-fragile-x-mental-retardation-protein-interacts-with-fus
#6
Qingzhong He, Wei Ge
The tandem Agenet domain (TAD) of fragile X mental retardation protein (FMRP) protein is considered to be a member of the methyl-lysine-binding Tudor domain "Royal family". Several groups have reported that the TAD binds with methylated histones and plays a role in DNA damage responses. FMRP is a RNA-binding protein predominantly resident in cytoplasm. Therefore, in this study, we identified DDX5, FUS, EWSR1 and LSM14A as TAD-interacting proteins sensitive to F32L and/or Y96L mutation by pull-down assays and mass spectrometry...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28421248/indications-for-cellular-migration-from-the-central-nervous-system-to-its-draining-lymph-nodes-in-cd11c-gfp-bone-marrow-chimeras-following-eae
#7
Fridtjof Schiefenhövel, Kerstin Immig, Carolin Prodinger, Ingo Bechmann
The concept as to how the brain maintains its immune privilege has initially been based on observations that it is lacking classical lymph vessels and later, the absence of dendritic cells (DC). This view has been challenged by several groups demonstrating drainage/migration of injected tracers and cells into cervical lymph nodes (CLNs) and the presence of brain antigens in CLNs in the course of various brain pathologies. Using CD11c-diphtheria toxin receptor (DTR)-green fluorescent protein (GFP) transgenic (tg) mice, we have shown the existence of CD11c(+) cells, a main DC marker, within the brain parenchyma...
April 18, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28418280/twenty-first-century-pathologists-advocacy
#8
Timothy Craig Allen
Pathologists' advocacy plays a central role in the establishment of continuously improving patient care quality and patient safety, and in the maintenance and progress of pathology as a profession. Pathology advocacy's primary goal is the betterment of patient safety and quality medical care; however, payment is a necessary and appropriate component to both, and has a central role in advocacy. Now is the time to become involved in pathology advocacy; the Medicare Access and Children's Health Insurance Program (CHIP) Reauthorization Act of 2015 (MACRA) and the Protecting Access to Medicare Act of 2014 (PAMA) are two of the most consequential pieces of legislation impacting the pathology and laboratory industry in the last 20 years...
April 18, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28417261/neutrophil-infiltration-and-matrix-metalloproteinase-9-in-lacunar-infarction
#9
Wolfgang Walz, Francisco S Cayabyab
We use the modified pial vessel disruption rat model to elucidate the cellular and molecular mechanisms of cavitation as it plays a role in lacunar infarction. Here we discuss the similarities between the genesis of pulmonary cavitation in various animal models and lacunar infarction in the cerebral cortex of rats. Both pathological processes involve the creation of a cavity surrounded by fibroblasts or reactive astrocytes. A crucial step in both, the lung and the cerebral cortex, appears to be the migration of neutrophils across the endothelial barrier into the parenchyma...
April 18, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28414563/leveraging-stem-cell-homing-for-therapeutic-regeneration
#10
Y Yin, X Li, X T He, R X Wu, H H Sun, F M Chen
Resident stem cell pools in many tissues/organs are responsible not only for tissue maintenance during physiologic turnover but also for the process of wound repair following injury. With inspiration from stem cell trafficking within the body under physiologic and pathologic conditions, recent advances have been made toward inducing stem cell mobilization and directing patients' own cells to sites of interest for treating a broad spectrum of diseases. An evolving body of work corroborates that delivering guidance cues can mobilize stem cells from the bone marrow and drive these cells toward a specific region...
April 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28414331/a-new-fate-mapping-system-reveals-context-dependent-random-or-clonal-expansion-of-microglia
#11
Tuan Leng Tay, Dominic Mai, Jana Dautzenberg, Francisco Fernández-Klett, Gen Lin, Sagar, Moumita Datta, Anne Drougard, Thomas Stempfl, Alberto Ardura-Fabregat, Ori Staszewski, Anca Margineanu, Anje Sporbert, Lars M Steinmetz, J Andrew Pospisilik, Steffen Jung, Josef Priller, Dominic Grün, Olaf Ronneberger, Marco Prinz
Microglia constitute a highly specialized network of tissue-resident immune cells that is important for the control of tissue homeostasis and the resolution of diseases of the CNS. Little is known about how their spatial distribution is established and maintained in vivo. Here we establish a new multicolor fluorescence fate mapping system to monitor microglial dynamics during steady state and disease. Our findings suggest that microglia establish a dense network with regional differences, and the high regional turnover rates found challenge the universal concept of microglial longevity...
April 17, 2017: Nature Neuroscience
https://www.readbyqxmd.com/read/28409146/pindborg-tumor-in-the-distal-femur
#12
Alex Oliboni Sussela, Paulo Ricardo Picon Alves, Vinicius Duval da Silva, Carlos Daniel de Garcia Bolze, Osvaldo André Serafini
To describe a case of possible diagnosis of Pindborg tumor on the distal femur. A 32-years-old female patient, a native of Bolivia, resident in Brazil, arrived to this service for tumor research in the right femur. After biopsies and resection of the lesion, the case was referred to analysis and consultancy in the United States. In a report of review by the Pathology Laboratory, it was characterized the histological appearance and immunohistochemical profile were characteristic of Pindborg tumor. Currently, the patient is being followed-up at the Orthopedics and Traumatology Department of this institution, and presents a good evolution...
March 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28400995/whatsapp-for-teaching-pathology-postgraduates-a-pilot-study
#13
Aditi Goyal, Nadeem Tanveer, Pooja Sharma
INTRODUCTION: Postgraduate students spend a sizeable proportion of their time on social media platforms such as WhatsApp and Facebook. This change in our social interaction needs to be accommodated in our teaching methods. To engage them and arouse their curiosity, WhatsApp is an ideal platform. Digital photography by cell phone cameras has made it possible to share cases and discuss them with students round the clock. OBJECTIVE: The primary aim of the study was to develop sharing and discussion of images using WhatsApp...
2017: Journal of Pathology Informatics
https://www.readbyqxmd.com/read/28400992/implementation-of-a-software-application-for-presurgical-case-history-review-of-frozen-section-pathology-cases
#14
Andrew P Norgan, Mathew L Okeson, Justin E Juskewitch, Kabeer K Shah, William R Sukov
BACKGROUND: The frozen section pathology practice at Mayo Clinic in Rochester performs ~20,000 intraoperative consultations a year (~70-80/weekday). To prepare for intraoperative consultations, surgical pathology fellows and residents review the case history, previous pathology, and relevant imaging the day before surgery. Before the work described herein, review of pending surgical pathology cases was a paper-based process requiring handwritten transcription from the electronic health record, a laborious and potentially error prone process...
2017: Journal of Pathology Informatics
https://www.readbyqxmd.com/read/28400311/pregnancy-birth-and-infant-outcomes-by-maternal-fertility-status-the-massachusetts-outcomes-study-of-assisted-reproductive-technology
#15
Barbara Luke, Daksha Gopal, Howard Cabral, Judy E Stern, Hafsatou Diop
BACKGROUND: Births to subfertile women, with and without infertility treatment, have been reported to have lower birthweights and shorter gestations, even when limited to singletons. It is unknown whether these decrements are due to parental characteristics or aspects of infertility treatment. OBJECTIVE: To evaluate the effect of maternal fertility status on the risk of pregnancy, birth, and infant complications STUDY DESIGN: All singleton live births of ≥22 weeks' gestation and ≥350 grams birthweight to Massachusetts resident women in 2004-10 were linked to hospital discharge and vital records...
April 8, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28399426/hpv-related-external-genital-lesions-among-men-residing-in-brazil
#16
Roberto J C Silva, Staci L Sudenga, Laura Sichero, Maria Luiza Baggio, Lenice Galan, Ricardo Cintra, B Nelson Torres, Mark Stoler, Anna R Giuliano, Luisa L Villa
The aims of this study were to determine the incidence of external genital lesions (EGLs), specifically histologically confirmed condyloma (genital warts) and Penile Intraepithelial Neoplasia (PeIN), and genital HPV infection progression to EGLs among healthy men aged 18-73 residing in Brazil. Subjects included 1118 men enrolled in the HPV Infection in Men (HIM) study between July 2005 and June 2009. At each visit, EGLs were biopsied and subjected to pathological evaluation. HPV status in genital swabs and biopsies was determined by Linear Array and INNO-LiPA, respectively...
April 8, 2017: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28397197/neurons-other-than-motor-neurons-in-motor-neuron-disease
#17
Riccardo Ruffoli, Francesca Biagioni, Carla L Busceti, Anderson Gaglione, Larisa Ryskalin, Stefano Gambardella, Alessandro Frati, Francesco Fornai
Amyotrophic lateral sclerosis (ALS) is typically defined by a loss of motor neurons in the central nervous system. Accordingly, morphological analysis for decades considered motor neurons (in the cortex, brainstem and spinal cord) as the neuronal population selectively involved in ALS. Similarly, this was considered the pathological marker to score disease severity ex vivo both in patients and experimental models. However, the concept of non-autonomous motor neuron death was used recently to indicate the need for additional cell types to produce motor neuron death in ALS...
April 11, 2017: Histology and Histopathology
https://www.readbyqxmd.com/read/28391346/what-can-target-kidney-fibrosis
#18
Irina A Leaf, Jeremy S Duffield
Fibrosis, a characteristic of all chronic kidney diseases, is now recognized to be an independent predictor of disease progression. Deposition of pathological matrix in the walls of glomerular capillaries, the interstitial space and around arterioles both predicts and contributes to functional demise of the nephron and its surrounding vasculature. Recent identification of the major cell populations of fibroblast precursors in the kidney interstitium as pericytes and tissue-resident mesenchymal stem cells, and in the glomerulus as podocytes, parietal epithelial and mesangial cells, has enabled the study of the fibrogenic process in much greater depth directly in the fibroblast precursors...
January 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28386839/erratum-to-guards-at-the-gate-physiological-and-pathological-roles-of-tissue-resident-innate-lymphoid-cells-in-the-lung
#19
Hang Cheng, Chengyan Jin, Jing Wu, Shan Zhu, Yong-Jun Liu, Jingtao Chen
No abstract text is available yet for this article.
April 6, 2017: Protein & Cell
https://www.readbyqxmd.com/read/28382224/recutclub-com-an-open-source-whole-slide-image-based-pathology-education-system
#20
Paul A Christensen, Nathan E Lee, Michael J Thrall, Suzanne Z Powell, Patricia Chevez-Barrios, S Wesley Long
BACKGROUND: Our institution's pathology unknown conferences provide educational cases for our residents. However, the cases have not been previously available digitally, have not been collated for postconference review, and were not accessible to a wider audience. Our objective was to create an inexpensive whole slide image (WSI) education suite to address these limitations and improve the education of pathology trainees. MATERIALS AND METHODS: We surveyed residents regarding their preference between four unique WSI systems...
2017: Journal of Pathology Informatics
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