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https://www.readbyqxmd.com/read/28442553/nlrp3-signaling-drives-macrophage-induced-adaptive-immune-suppression-in-pancreatic-carcinoma
#1
Donnele Daley, Vishnu R Mani, Navyatha Mohan, Neha Akkad, Gautam S D Balasubramania Pandian, Shivraj Savadkar, Ki Buom Lee, Alejandro Torres-Hernandez, Berk Aykut, Brian Diskin, Wei Wang, Mohammad S Farooq, Arif I Mahmud, Gregor Werba, Eduardo J Morales, Sarah Lall, Benjamin J Wadowski, Amanda G Rubin, Matthew E Berman, Rajkishen Narayanan, Mautin Hundeyin, George Miller
The tumor microenvironment (TME) in pancreatic ductal adenocarcinoma (PDA) is characterized by immune tolerance, which enables disease to progress unabated by adaptive immunity. However, the drivers of this tolerogenic program are incompletely defined. In this study, we found that NLRP3 promotes expansion of immune-suppressive macrophages in PDA. NLRP3 signaling in macrophages drives the differentiation of CD4(+) T cells into tumor-promoting T helper type 2 cell (Th2 cell), Th17 cell, and regulatory T cell populations while suppressing Th1 cell polarization and cytotoxic CD8(+) T cell activation...
April 25, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28440741/standardized-rat-model-testing-effects-of-inflammation-and-grafting-on-extraction-healing
#2
Emily S Willett, Jingpeng Liu, Molly Berke, Peter J Giannini, Marian Schmid, Zhenshan Jia, Xiaobei Wang, Xiaoyan Wang, Kaeli Samson, Fang Yu, Dong Wang, Ali Nawshad, Richard A Reinhardt
BACKGROUND: Loss of the alveolar ridge width and height following tooth extraction is well-documented, but models to evaluate ridge preservation are neither standardized nor cost-effective. This rat model characterizes the pattern of bone turnover and inflammation after extraction and bone grafting with or without local simvastatin (SIM). METHODS: Fifty retired-breeder rats underwent extraction of the right maxillary first molar and standard surgical defect creation under inhalation/local anesthesia...
April 25, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28438466/the-effect-of-n-acetylcysteine-nac-on-human-cognition-a-systematic-review
#3
REVIEW
David R Skvarc, Olivia M Dean, Linda K Byrne, Laura Gray, Stephen Lane, Matthew Lewis, Brisa S Fernandes, Michael Berk, Andrew Marriott
Oxidative stress, neuroinflammation and neurogenesis are commonly implicated as cognitive modulators across a range of disorders. N-acetylcysteine (NAC) is a glutathione precursor with potent antioxidant, pro-neurogenesis and anti-inflammatory properties and a favourable safety profile. A systematic review of the literature specifically examining the effect of NAC administration on human cognition revealed twelve suitable articles for inclusion: four examining Alzheimer's disease; three examining healthy participants; two examining physical trauma; one examining bipolar disorder, one examining schizophrenia, and one examining ketamine-induced psychosis...
April 21, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28434357/retinol-binding-protein-4-rbp4-concentration-identifies-v122i-transthyretin-cardiac-amyloidosis
#4
Marios Arvanitis, Steven Simon, Gloria Chan, Denise Fine, Paula Beardsley, Michael LaValley, Daniel Jacobson, Clarissa Koch, John L Berk, Lawreen H Connors, Frederick L Ruberg
No abstract text is available yet for this article.
March 2017: Amyloid: the International Journal of Experimental and Clinical Investigation
https://www.readbyqxmd.com/read/28434303/familial-wild-type-transthyretin-cardiomyopathy
#5
Merrill D Benson, John L Berk, Lawreen H Connors, Noel R Dasgupta
No abstract text is available yet for this article.
March 2017: Amyloid: the International Journal of Experimental and Clinical Investigation
https://www.readbyqxmd.com/read/28425625/a-missense-mutation-in-damage-specific-dna-binding-protein-2-is-a-genetic-risk-factor-for-limbal-squamous-cell-carcinoma-in-horses
#6
Rebecca R Bellone, Jiayin Liu, Jessica L Petersen, Maura Mack, Moriel Singer-Berk, Cord Drögemüller, Julia Malvick, Barbara Wallner, Gottfried Brem, M Cecilia Penedo, Mary Lassaline
Squamous cell carcinoma (SCC) is the most common cancer of the equine eye, frequently originating at the limbus, with the potential to invade the cornea, cause visual impairment, and result in loss of the eye. Several breeds of horses have a high occurrence of limbal SCC implicating a genetic basis for limbal SCC predisposition. Pedigree analysis in the Haflinger breed supports a simple recessive mode of inheritance and a genome wide association study (N=23) identified a 1.5 Mb locus on ECA12 significantly associated with limbal SCC (Pcorrected = 0...
April 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28422815/no-time-for-silence-an-urgent-need-for-political-activism-among-the-medical-community
#7
Erik Levinsohn, Karrin Weisenthal, Priscilla Wang, Andi Shahu, Matthew Meizlish, Talia Robledo-Gil, Eamon Duffy, Samara Fox, Juliana Berk-Krauss
Despite being a major stakeholder in the U.S. health care system, the medical community has remained relatively mute in the debate over the future of the Patient Protection and Affordable Care Act (ACA). If the ACA were repealed, tens of millions of Americans would be in danger of losing their insurance, resulting in a significant increase in mortality. Because misinformation about the ACA is rampant, it is imperative that health care providers explain to the public what exactly the ACA is and how repeal will affect patients...
April 18, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28420993/phellinus-linteus-mycelium-alleviates-myocardial-ischemia-reperfusion-injury-through-autophagic-regulation
#8
Hsing-Hui Su, Ya-Chun Chu, Jiuan-Miaw Liao, Yi-Hsin Wang, Ming-Shiou Jan, Chia-Wei Lin, Chiu-Yeh Wu, Chin-Yin Tseng, Jiin-Cherng Yen, Shiang-Suo Huang
The incidence of myocardial ischemia-reperfusion (IR) injury is rapidly increasing around the world and this disease is a major contributor to global morbidity and mortality. It is known that regulation of programmed cell death including apoptosis and autophagy reduces the impact of myocardial IR injury. In this study, the cardioprotective effects and underlying mechanisms of Phellinus linteus (Berk. and Curt.) Teng, Hymenochaetaceae (PL), a type of medicinal mushroom, were examined in rats subjected to myocardial IR injury...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28411787/firm-ulcerated-nodule-with-peripheral-scale-on-the-arm
#9
Daniel M Klufas, Michael J Murphy, Syril Keena T Que, Adrienne Berke, Michael Payette
No abstract text is available yet for this article.
May 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28408216/modelling-the-impacts-of-pasture-contamination-and-stocking-rate-for-the-development-of-targeted-selective-treatment-strategies-for-ostertagia-ostertagi-infection-in-calves
#10
Zoe Berk, Yan C S M Laurenson, Andrew B Forbes, Ilias Kyriazakis
A simulation study was carried out to assess whether variation in pasture contamination or stocking rate impact upon the optimal design of targeted selective treatment (TST) strategies. Two methods of TST implementation were considered: 1) treatment of a fixed percentage of a herd according to a given phenotypic trait, or 2) treatment of individuals that exceeded a threshold value for a given phenotypic trait. Four phenotypic traits, on which to base treatment were considered: 1) average daily bodyweight gain, 2) faecal egg count, 3) plasma pepsinogen, or 4) random selection...
March 28, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28403846/the-new-field-of-precision-psychiatry
#11
Brisa S Fernandes, Leanne M Williams, Johann Steiner, Marion Leboyer, André F Carvalho, Michael Berk
BACKGROUND: Precision medicine is a new and important topic in psychiatry. Psychiatry has not yet benefited from the advanced diagnostic and therapeutic technologies that form an integral part of other clinical specialties. Thus, the vision of precision medicine as applied to psychiatry - 'precision psychiatry' - promises to be even more transformative than in other fields of medicine, which have already lessened the translational gap. DISCUSSION: Herein, we describe 'precision psychiatry' and how its several implications promise to transform the psychiatric landscape...
April 13, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28394331/dectin-1-activation-on-macrophages-by-galectin-9-promotes-pancreatic-carcinoma-and-peritumoral-immune-tolerance
#12
Donnele Daley, Vishnu R Mani, Navyatha Mohan, Neha Akkad, Atsuo Ochi, Daniel W Heindel, Ki Buom Lee, Constantinos P Zambirinis, Gautam Sd Balasubramania Pandian, Shivraj Savadkar, Alejandro Torres-Hernandez, Shruti Nayak, Ding Wang, Mautin Hundeyin, Brian Diskin, Berk Aykut, Gregor Werba, Rocky M Barilla, Robert Rodriguez, Steven Chang, Lawrence Gardner, Lara K Mahal, Beatrix Ueberheide, George Miller
The progression of pancreatic oncogenesis requires immune-suppressive inflammation in cooperation with oncogenic mutations. However, the drivers of intratumoral immune tolerance are uncertain. Dectin 1 is an innate immune receptor crucial for anti-fungal immunity, but its role in sterile inflammation and oncogenesis has not been well defined. Furthermore, non-pathogen-derived ligands for dectin 1 have not been characterized. We found that dectin 1 is highly expressed on macrophages in pancreatic ductal adenocarcinoma (PDA)...
April 10, 2017: Nature Medicine
https://www.readbyqxmd.com/read/28393574/transbronchial-biopsies-safely-diagnose-amyloid-lung-disease
#13
Praveen Govender, Colleen M Keyes, Elizabeth A Hankinson, Carl J O'Hara, Vaishali Sanchorawala, John L Berk
BACKGROUND: Autopsy identifies lung involvement in 58-92% of patients with the most prevalent forms of systemic amyloidoses. In the absence of lung biopsies, amyloid lung disease often goes unrecognized. Report of a death following transbronchial biopsies in a patient with systemic amyloidosis cautioned against the procedure in this patient cohort. We reviewed our experience with transbronchial biopsies in patients with amyloidosis to determine the safety and utility of bronchoscopic lung biopsies...
April 10, 2017: Amyloid: the International Journal of Experimental and Clinical Investigation
https://www.readbyqxmd.com/read/28392394/trans-scrotal-near-infrared-spectroscopy-as-a-diagnostic-test-for-testis-torsion-in-pediatric-acute-scrotum-a-prospective-comparison-to-gold-standard-diagnostic-test-study
#14
Bruce J Schlomer, Melise A Keays, Gwen M Grimsby, Candace F Granberg, Daniel G DaJusta, Vani S Menon, Lauren Ostrov, Kunj R Sheth, Martinez Hill, Emma J Sanchez, Clanton B Harrison, Micah A Jacobs, Rong Huang, Berk Burgu, Halim Hennes, Linda A Baker
PURPOSE: A rapid test for testicular torsion in children may obviate delay for testicular ultrasound. This study assessed testicular tissue percent saturation of oxygen (%StO2) measured by trans-scrotal near-infrared spectroscopy (NIRS) as a diagnostic test for pediatric testicular torsion. METHODS AND FINDINGS: This was a prospective comparison to a gold standard diagnostic test study that evaluated NIRS %StO2 readings to diagnose testicular torsion. Gold standard for torsion diagnosis was standard clinical care...
April 6, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28388932/the-efficacy-of-sodium-benzoate-as-an-adjunctive-treatment-in-early-psychosis-cadence-bz-study-protocol-for-a-randomized-controlled-trial
#15
Alex Ryan, Andrea Baker, Frances Dark, Sharon Foley, Anne Gordon, Sean Hatherill, Stephen Stathis, Sukanta Saha, George Bruxner, Martin Beckman, Drew Richardson, Michael Berk, Olivia Dean, John McGrath, Cadence Working Group, James Scott
BACKGROUND: Psychotic disorders affect up to 3% of the population and are often chronic and disabling. Innovation in the pharmacological treatment of psychosis has remained stagnant in recent decades. In order to improve outcomes for those with psychotic disorders, we present a protocol for the trial of a common food preservative, sodium benzoate, as an adjunctive treatment in early psychosis. METHODS: Persons experiencing early psychosis (n = 160) will be recruited through hospitals and community mental health services in Queensland, Australia...
April 7, 2017: Trials
https://www.readbyqxmd.com/read/28386638/effect-of-diet-induced-weight-loss-on-lipoprotein-a-levels-in-obese-individuals-with-and-without-type-2-diabetes
#16
Kirsten A Berk, Reyhana Yahya, Adrie J M Verhoeven, Jeanette Touw, Frank P Leijten, Elisabeth F van Rossum, Vincent L Wester, Mirjam A Lips, Hanno Pijl, Reinier Timman, Gertraud Erhart, Florian Kronenberg, Jeanine E Roeters van Lennep, Eric J G Sijbrands, Monique T Mulder
AIMS/HYPOTHESIS: Elevated levels of lipoprotein(a) [Lp(a)] are an independent risk factor for cardiovascular disease (CVD), particularly in individuals with type 2 diabetes. Although weight loss improves conventional risk factors for CVD in type 2 diabetes, the effects on Lp(a) are unknown and may influence the long-term outcome of CVD after diet-induced weight loss. The aim of this clinical study was to determine the effect of diet-induced weight loss on Lp(a) levels in obese individuals with type 2 diabetes...
April 6, 2017: Diabetologia
https://www.readbyqxmd.com/read/28384801/the-world-health-organization-adult-attention-deficit-hyperactivity-disorder-self-report-screening-scale-for-dsm-5
#17
Berk Ustun, Lenard A Adler, Cynthia Rudin, Stephen V Faraone, Thomas J Spencer, Patricia Berglund, Michael J Gruber, Ronald C Kessler
Importance: Recognition that adult attention-deficit/hyperactivity disorder (ADHD) is common, seriously impairing, and usually undiagnosed has led to the development of adult ADHD screening scales for use in community, workplace, and primary care settings. However, these scales are all calibrated to DSM-IV criteria, which are narrower than the recently developed DSM-5 criteria. Objectives: To update for DSM-5 criteria and improve the operating characteristics of the widely used World Health Organization Adult ADHD Self-Report Scale (ASRS) for screening...
April 5, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/28382381/-stable-disease-or-complete-response-a%C3%A2-critical-evaluation-of-the-radiologic-response-to-immune-checkpoint-blockade-in-advanced-melanoma
#18
J K Tietze, M Heppt, D Angelova, T Ruzicka, F Berger, C Berking
BACKGROUND: Rating the response of melanoma to immune checkpoint blockade (ICB) by conventional CT proves to be difficult, since response patterns and kinetics differ from the classical responses seen with other therapies. Hence, immune-related response criteria were developed. However, they are mainly based on the alteration of the diameter of lesions over time but do not include metabolic activity. OBJECTIVE: The aim of this study was to search for additional criteria to improve the interpretation of the radiologic images of patients with metastatic melanoma after ICB...
April 5, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/28376365/bioacoustic-enabled-patterning-of-human-ipsc-derived-cardiomyocytes-into-3d-cardiac-tissue
#19
Vahid Serpooshan, Pu Chen, Haodi Wu, Soah Lee, Arun Sharma, Daniel A Hu, Sneha Venkatraman, Adarsh Venkataraman Ganesan, Osman Berk Usta, Martin Yarmush, Fan Yang, Joseph C Wu, Utkan Demirci, Sean M Wu
The creation of physiologically-relevant human cardiac tissue with defined cell structure and function is essential for a wide variety of therapeutic, diagnostic, and drug screening applications. Here we report a new scalable method using Faraday waves to enable rapid aggregation of human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) into predefined 3D constructs. At packing densities that approximate native myocardium (10(8)-10(9) cells/ml), these hiPSC-CM-derived 3D tissues demonstrate significantly improved cell viability, metabolic activity, and intercellular connection when compared to constructs with random cell distribution...
July 2017: Biomaterials
https://www.readbyqxmd.com/read/28373341/most-americans-have-good-health-little-unmet-need-and-few-health-care-expenses
#20
Marc L Berk, Zhengyi Fang
The distribution of health care expenditures remains highly concentrated, but most Americans use few health care resources and have low out-of-pocket spending. More than 93 percent of "low spenders" (those in the bottom half of the population) believe they have received all needed care in a timely manner. The low spending by the majority of the population has remained almost unchanged during the thirty-seven-year period examined.
April 1, 2017: Health Affairs
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