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https://www.readbyqxmd.com/read/29783162/a-peripheral-immune-response-to-remembering-trauma-contributes-to-the-maintenance-of-fear-memory-in-mice
#1
Matthew B Young, Leonard L Howell, Lauren Hopkins, Cassandra Moshfegh, Zhe Yu, Lauren Clubb, Jessica Seidenberg, Jeanie Park, Adam P Swiercz, Paul J Marvar
Alterations in peripheral immune markers are observed in individuals with post-traumatic stress disorder (PTSD). PTSD is characterized in part by impaired extinction of fear memory for a traumatic experience. We hypothesized that fear memory extinction is regulated by immune signaling stimulated when fear memory is retrieved. The relationship between fear memory and the peripheral immune response was tested using auditory Pavlovian fear conditioning in mice. Memory for the association was quantified by the amount of conditioned freezing exhibited in response to the conditioned stimulus (CS), extinction and time-dependent changes in circulating inflammatory cytokines...
May 17, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29782964/an-in-vitro-approach-for-prioritization-and-evaluation-of-chemical-effects-on-glucocorticoid-receptor-mediated-adipogenesis
#2
Jessica K Hartman, Tyler Beames, Bethany Parks, Daniel Doheny, Gina Song, Alina Efremenko, Miyoung Yoon, Briana Foley, Chad Deisenroth, Patrick D McMullen, Rebecca A Clewell
Rising obesity rates worldwide have socio-economic ramifications. While genetics, diet, and lack of exercise are major contributors to obesity, environmental factors may enhance susceptibility through disruption of hormone homeostasis and metabolic processes. The obesogen hypothesis contends that chemical exposure early in development may enhance adipocyte differentiation, thereby increasing the number of adipocytes and predisposing for obesity and metabolic disease. We previously developed a primary human adipose stem cell (hASC) assay to evaluate the effect of environmental chemicals on PPARG-dependent adipogenesis...
May 18, 2018: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29782918/bdnf-haploinsufficiency-exerts-a-transient-and-regionally-different-influence-upon-oligodendroglial-lineage-cells-during-postnatal-development
#3
Madeline Nicholson, Rhiannon J Wood, Jessica L Fletcher, Maarten van den Buuse, Simon S Murray, Junhua Xiao
The Brain-Derived Neurotrophic Factor (BDNF) plays important roles in promoting myelination in the developing central nervous system (CNS), however the influence it exerts on oligodendrocyte development in vivo remain unclear. As BDNF knockout mice die in the perinatal period, we undertook a systematic developmental analysis of oligodendroglial lineage cells within multiple CNS regions of BDNF heterozygous (HET) mice. Our data identify that BDNF heterozygosity results in transient reductions in oligodendroglial lineage cell density and progression that are largely restricted to the optic nerve, whereas the corpus callosum, cerebral cortex, basal forebrain and spinal cord white matter tracts are unaffected...
May 18, 2018: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/29782869/session-6-discussion-innovation-in-eating-patterns
#4
Lauren O'Connor, Jessica Fanzo, Sara Smith-Simpson, Darin Leonard
No abstract text is available yet for this article.
May 18, 2018: Physiology & Behavior
https://www.readbyqxmd.com/read/29782848/impaired-tfeb-mediated-lysosome-biogenesis-and-autophagy-promote-chronic-ethanol-induced-liver-injury-and-steatosis-in-mice
#5
Xiaojuan Chao, Shaogui Wang, Katrina Zhao, Yuan Li, Jessica A Williams, Tiangang Li, Hemantkumar Chavan, Partha Krishnamurthy, Xi C He, Linheng Li, Andrea Ballabio, Hong-Min Ni, Wen-Xing Ding
BACKGROUND & AIMS: Defects in lysosome function and autophagy contribute to pathogenesis of alcoholic liver disease. We investigated the mechanisms by which alcohol consumption affects these processes, evaluating the functions transcription factor EB (TFEB), which regulates lysosomal biogenesis. METHODS: We performed studies with GFP-LC3 mice, mice with liver-specific deletion of transcription factor EB (TFEB), mice with disruption of the transcription factor E3 gene (TFE3-knockout mice), mice with disruption of the Tefb and Tfe3 genes (TFEB, TFE3 double-knockout mice), and Tfebflox/flox albumin cre-negative mice (controls)...
May 18, 2018: Gastroenterology
https://www.readbyqxmd.com/read/29782540/monte-carlo-simulations-of-microtubule-arrays-the-critical-roles-of-rescue-transitions-the-cell-boundary-and-tubulin-concentration-in-shaping-microtubule-distributions
#6
Lynne Cassimeris, Jessica C Leung, David J Odde
Microtubules are dynamic polymers required for a number of processes, including chromosome movement in mitosis. While regulators of microtubule dynamics have been well characterized, we lack a convenient way to predict how the measured dynamic parameters shape the entire microtubule system within a cell, or how the system responds when specific parameters change in response to internal or external signals. Here we describe a Monte Carlo model to simulate an array of dynamic microtubules from parameters including the cell radius, total tubulin concentration, microtubule nucleation rate from the centrosome, and plus end dynamic instability...
2018: PloS One
https://www.readbyqxmd.com/read/29782325/early-emotional-attention-is-impacted-in-alzheimer-s-disease-an-eye-tracking-study
#7
Jessica Bourgin, Nathalie Guyader, Alan Chauvin, Alexandra Juphard, Mathilde Sauvée, Olivier Moreaud, Laetitia Silvert, Pascal Hot
Emotional deficits have been repetitively reported in Alzheimer's disease (AD) without clearly identifying how emotional processing is impaired in this pathology. This paper describes an investigation of early emotional processing, as measured by the effects of emotional visual stimuli on a saccadic task involving both pro (PS) and anti (AS) saccades. Sixteen patients with AD and 25 age-matched healthy controls were eye-tracked while they had to quickly move their gaze toward a positive, negative, or neutral image presented on a computer screen (in the PS condition) or away from the image (in the AS condition)...
May 16, 2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29781997/antimicrobial-peptides-produced-by-selective-pressure-incorporation-of-non-canonical-amino-acids
#8
Jessica H Nickling, Tobias Baumann, Franz-Josef Schmitt, Maike Bartholomae, Oscar P Kuipers, Thomas Friedrich, Nediljko Budisa
Nature has a variety of possibilities to create new protein functions by modifying the sequence of the individual amino acid building blocks. However, all variations are based on the 20 canonical amino acids (cAAs). As a way to introduce additional physicochemical properties into polypeptides, the incorporation of non-canonical amino acids (ncAAs) is increasingly used in protein engineering. Due to their relatively short length, the modification of ribosomally synthesized and post-translationally modified peptides by ncAAs is particularly attractive...
May 4, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29781937/body-composition-assessment-in-female-national-collegiate-athletic-association-division-i-softball-athletes-as-a-function-of-playing-position-across-a-multiyear-time-frame
#9
Ashley Peart, Danielle Wadsworth, Jessica Washington, Gretchen Oliver
Peart, A, Wadsworth, D, Washington, J, and Oliver, G. Body composition assessment in female National Collegiate Athletic Association division I softball athletes as a function of playing position across a multiyear time frame. J Strength Cond Res XX(X): 000-000, 2018-The purpose of this study was to record changes in total body mass, lean body mass (LBM), fat mass (FM), and body fat percentage (BF%) in female National Collegiate Athletic Association (NCAA) Division I level softball athletes over a multiyear time frame using dual-energy x-ray absorptiometry (iDXA)...
May 17, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29781889/using-a-clinician-administered-interview-to-examine-the-overlap-in-posttraumatic-stress-disorder-criteria-d-and-e
#10
C Laurel Franklin, Amanda M Raines, Jessica L Walton, Jessica L Chambliss, Kelly P Maieritsch
Although the diagnosis of posttraumatic stress disorder (PTSD) is often criticized for including symptoms that overlap with one another, only one study has explored the impact of symptom reporting. Using a clinician-rated interview for PTSD (N = 558), the current study examined overlap between PTSD criteria D1, D2, and D3 ("target D symptoms") and criterion E symptoms of similar content (i.e., E1 and E3). Furthermore, their impact on meeting criterion and disorder cutoffs was examined. Results revealed that target symptoms were endorsed in conjunction more than half the time...
May 17, 2018: Journal of Nervous and Mental Disease
https://www.readbyqxmd.com/read/29781811/spleen-derived-classical-monocytes-mediate-lung-ischemia-reperfusion-injury-through-il-1%C3%AE
#11
Hsi-Min Hsiao, Ramiro Fernandez, Satona Tanaka, Wenjun Li, Jessica H Spahn, Stephen Chiu, Mahzad Akbarpour, Daniel Ruiz-Perez, Qiang Wu, Cem Turam, Davide Scozzi, Tsuyoshi Takahashi, Hannah P Luehmann, Varun Puri, G R Scott Budinger, Alexander S Krupnick, Alexander V Misharin, Kory J Lavine, Yongjian Liu, Andrew E Gelman, Ankit Bharat, Daniel Kreisel
Ischemia-reperfusion injury, a form of sterile inflammation, is the leading risk factor for both short-term mortality following pulmonary transplantation and chronic lung allograft dysfunction. While it is well recognized that neutrophils are critical mediators of acute lung injury, processes that guide their entry into pulmonary tissue are not well understood. Here, we found that CCR2+ classical monocytes are necessary and sufficient for mediating extravasation of neutrophils into pulmonary tissue during ischemia-reperfusion injury following hilar clamping or lung transplantation...
May 21, 2018: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29781774/a-perfect-storm-challenges-encountered-by-family-caregivers-of-persons-with-alzheimer-s-disease-during-natural-disasters
#12
Allison Gibson, Jessica Walsh, Lisa M Brown
Since Hurricane Katrina there has been a movement across the U.S. to examine best practice for disaster response within the aging population. However, little is known about the experience of natural disasters from the perspective of family caregivers of persons with Alzheimer's disease and related dementia (ADRD). In this exploratory, qualitative study, family caregivers (n=27) were interviewed about their experience with the historic 2015 South Carolina flood. By using thematic analysis, themes were identified to better understand what unique challenges caregivers of person with ADRD experienced...
May 21, 2018: Journal of Gerontological Social Work
https://www.readbyqxmd.com/read/29781731/neuropsychologists-as-primary-care-providers-of-cognitive-health-a-novel-comprehensive-cognitive-wellness-service-delivery-model
#13
Patricia A Pimental, John B O'Hara, Jessica L Jandak
By virtue of their extensive knowledge base and specialized training in brain-behavior relationships, neuropsychologists are especially poised to execute a unique broad-based approach to overall cognitive wellness and should be viewed as primary care providers of cognitive health. This article will describe a novel comprehensive cognitive wellness service delivery model including cognitive health, anti-aging, lifelong wellness, and longevity-oriented practices. These practice areas include brain-based cognitive wellness, emotional and spiritually centric exploration, and related multimodality health interventions...
July 2018: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/29781719/serum-vitamin-d-status-and-breast-cancer-risk-by-receptor-status-a-systematic-review
#14
Jessica L Tommie, Susan M Pinney, Laurie A Nommsen-Rivers
BACKGROUND: The association between vitamin D status and breast cancer risk is equivocal. No systematic reviews or meta-analyses have examined this association stratified by receptor status. Our objective is to conduct a systematic review to answer the question, "Is there a relationship between lower serum/plasma vitamin D levels and increased risk of triple negative breast cancer (TNBC) specifically?" METHODS: We systematically searched Embase and PubMed databases for published original research studies examining the risk of a breast cancer diagnosis according to vitamin D status...
May 21, 2018: Nutrition and Cancer
https://www.readbyqxmd.com/read/29781656/veterans-experiences-initiating-va-based-mental-health-care
#15
Michelle J Bovin, Christopher J Miller, Christopher J Koenig, Jessica M Lipschitz, Kara A Zamora, Patricia B Wright, Jeffrey M Pyne, James F Burgess
Military veterans who could benefit from mental health services often do not access them. Research has revealed a range of barriers associated with initiating United States Department of Veterans Affairs (VA) care, including those specific to accessing mental health care (e.g., fear of stigmatization). More work is needed to streamline access to VA mental health-care services for veterans. In the current study, we interviewed 80 veterans from 9 clinics across the United States about initiation of VA mental health care to identify barriers to access...
May 21, 2018: Psychological Services
https://www.readbyqxmd.com/read/29781409/additional-occupational-therapy-considerations-for-functional-neurological-disorders-a-potential-role-for-sensory-processing
#16
Jessica Ranford, David L Perez, Julie MacLean
No abstract text is available yet for this article.
May 21, 2018: CNS Spectrums
https://www.readbyqxmd.com/read/29781191/clinical-approach-to-vulvovaginal-cysts-and-abscesses-a-review
#17
REVIEW
Jessica De Bortoli, Prathima Chowdary, Payam Nikpoor, Emma Readman
Vulvovaginal cysts are a common problem for women, causing significant pain, discomfort and impact on quality of life. For clinicians, classifying and differentiating these cysts from each other and selecting appropriate management can be challenging, yet there is no integrated classification system and little literature that broadly summarises a clinical approach. We aimed to create a useful tool for clinicians by providing a detailed summary of various vulvovaginal cysts and abscesses with a clear novel classification system and hierarchy for diagnosis and management, to aid clinicians in this process...
May 21, 2018: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/29781188/a-novel-anti-malarial-drug-derivative-inhibits-cyclic-gmp-amp-synthase-in-trex1-deficient-mice
#18
Jie An, Joshua J Woodward, Weinan Lai, Mark Minie, Xizhang Sun, Lena Tanaka, Jessica M Snyder, Tomikazu Sasaki, Keith B Elkon
OBJECTIVE: Type I interferon (IFN-I) is strongly implicated in the pathogenesis of Systemic Lupus Erythematosus (SLE) as well as rare monogenic 'interferonopathies' such as Aicardi-Goutieres Syndrome (AGS) caused by mutations in the DNA exonuclease, TREX1. The DNA-activated IFN-I pathway, cyclic GMP-AMP (cGAMP) synthase (cGAS), is linked to subsets of AGS and lupus. We identified inhibitors of DNA-cGAS interaction and tested lead candidate, X6, in a mouse model of AGS. METHODS: Trex1-/- mice were treated orally from birth with either X6 or HCQ for 8 weeks...
May 21, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29781091/fetal-assessment-in-buprenorphine-maintained-women-using-fetal-magnetoencephalography-a-pilot-study
#19
Diana Escalona-Vargas, Jessica L Coker, Shona Ray-Griffith, Eric R Siegel, Curtis L Lowery, Zachary N Stowe, Hari Eswaran
BACKGROUND AND AIMS: In-utero exposure to opioids including buprenorphine (BUP) has been shown to affect fetal activity, specifically heart-rate variability (FHRV) and fetal movement (FM). Our objective was to extract simultaneous recordings of fetal cardiac, and brain-related activity in BUP-maintained and non-opioid exposed pregnant women using a novel non-invasive biomagnetic technique. DESIGN: A pilot study was conducted, recording and analyzing biomagnetic data from fetuses of BUP-maintained and non-opioid exposed pregnant women...
May 20, 2018: Addiction
https://www.readbyqxmd.com/read/29780961/myopic-shift-in-a-pseudophakic-eye-with-an-accommodating-iol-following-vitrectomy-with-gas-tamponade
#20
Jonathan Aker, Jessica Dowling, Lawrence Halperin
Purpose: To report the case of a patient with Crystalens, an accommodating posterior-chamber intraocular lens (IOL), who experienced a myopic shift following subsequent vitrectomy with gas tamponade. We propose a hypothesis as to why this myopic shift occurred and analyze its validity based on current literature. Observations: A patient had cataract surgery with implantation of a Crystalens AT-50AO +21D. Preoperative A-scan measured anterior chamber depth (ACD) to be 3...
June 2018: American Journal of Ophthalmology Case Reports
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