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https://www.readbyqxmd.com/read/28223291/ctrp7-deletion-attenuates-obesity-linked-glucose-intolerance-adipose-tissue-inflammation-and-hepatic-stress
#1
Pia S Petersen, Xia Lei, Risa M Wolf, Susana Rodriguez, Stefanie Y Tan, Hannah C Little, Michael A Schweitzer, Thomas H Magnuson, Kimberley E Steele, G William Wong
Chronic low-grade inflammation and cellular stress are important contributors to obesity-linked metabolic dysfunction. Here, we uncover an immune-metabolic role for C1q/TNF-related protein 7 (CTRP7), a secretory protein of the C1q family with previously unknown function. In obese humans, circulating CTRP7 levels were markedly elevated and positively correlated with BMI, glucose, insulin, insulin resistance index, hemoglobin A1c, and triglyceride levels. Expression of CTRP7 in liver was also significantly upregulated in obese humans and positively correlated with gluconeogenic genes...
February 21, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28211872/rictor-mtorc2-deficiency-enhances-keratinocyte-stress-tolerance-via-mitohormesis
#2
Beatrice Tassone, Stefania Saoncella, Francesco Neri, Ugo Ala, Davide Brusa, Mark A Magnuson, Paolo Provero, Salvatore Oliviero, Chiara Riganti, Enzo Calautti
How metabolic pathways required for epidermal tissue growth and remodeling influence the ability of keratinocytes to survive stressful conditions is still largely unknown. The mechanistic target of rapamycin complex 2 (mTORC2) regulates growth and metabolism of several tissues, but its functions in epidermal cells are poorly defined. Rictor is an adaptor protein essential for mTORC2 activity. To explore the roles of mTORC2 in the epidermis, we have conditionally deleted rictor in mice via K14-Cre-mediated homologous recombination and found that its deficiency causes moderate tissue hypoplasia, reduced keratinocyte proliferation and attenuated hyperplastic response to TPA...
February 17, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28162420/-196-a-proof-of-concept-for-short-forms-of-the-screener-and-opioid-assessment-for-patients-with-pain-revised-soapp-r
#3
M Finkelman, N Smits, R Kulich, K Zacharoff, B Magnuson, H Chang, J Dong, S Butler
No abstract text is available yet for this article.
April 2016: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28159836/c-myc-downregulation-is-required-for-preacinar-to-acinar-maturation-and-pancreatic-homeostasis
#4
Victor J Sánchez-Arévalo Lobo, Luis César Fernández, Enrique Carrillo-de-Santa-Pau, Laia Richart, Isidoro Cobo, Jaroslaw Cendrowski, Ulisses Moreno, Natalia Del Pozo, Diego Megías, Bernardette Bréant, Christopher V Wright, Mark Magnuson, Francisco X Real
BACKGROUND AND AIMS: c-Myc is highly expressed in pancreatic multipotent progenitor cells (MPC) and in pancreatic cancer. The transition from MPC to unipotent acinar progenitors is associated with c-Myc downregulation; a role for c-Myc in this process, and its possible relationship to a role in cancer, has not been established. DESIGN: Using coimmunoprecipitation assays, we demonstrate that c-Myc and Ptf1a interact. Using reverse transcriptase qPCR, western blot and immunofluorescence, we show the erosion of the acinar programme...
February 3, 2017: Gut
https://www.readbyqxmd.com/read/28151564/axonal-sprouting-in-commissurally-projecting-parvalbumin-expressing-interneurons
#5
Zoé Christenson Wick, Caara H Leintz, Casey Xamonthiene, Bin H Huang, Esther Krook-Magnuson
Previous research has shown that in vivo on-demand optogenetic stimulation of inhibitory interneurons expressing parvalbumin (PV) is sufficient to suppress seizures in a mouse model of temporal lobe epilepsy (TLE). Surprisingly, this intervention was capable of suppressing seizures when PV-expressing interneurons were stimulated ipsilateral or contralateral to the presumed seizure focus, raising the possibility of commissural inhibition in TLE. There are mixed reports regarding commissural PV interneuron projections in the healthy hippocampus, and it was previously unknown whether these connections would be maintained or modified following the network reorganization associated with TLE...
February 2, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/28126601/rapid-screening-for-mycobacterium-tuberculosis-complex-in-clinical-elephant-trunk-wash-samples
#6
Roberta J Magnuson, Lyndsey M Linke, Ramiro Isaza, Mo D Salman
Mycobacterium tuberculosis can infect and be transmitted between elephants and humans. In elephants, the 'gold standard' reference test for detection of tuberculosis is culture, which takes a minimum of eight weeks for results and has limited sensitivity. A screening test that is rapid, easily implemented, and accurate is needed to aid in diagnosis of tuberculosis in elephants. Ninety-nine clinical trunk wash samples obtained from 33 elephants were utilized to validate three molecular extraction techniques followed by a polymerase chain reaction for detection of M...
January 3, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28116196/a-rare-presentation-of-isolated-cns-posttransplantation-lymphoproliferative-disorder
#7
Jaime Morris, Casey Smith, Andrew Streicher, Allison Magnuson, Susan Newman, Robert Bertoli
Posttransplantation lymphoproliferative disorder (PTLD) is a recognized and extremely morbid complication of solid organ transplantation, but central nervous system involvement, particularly in isolation, is rare. There are no standardized treatment strategies for PTLD, though commonly used strategies include reduction of immunosuppression, chemotherapy, rituximab, radiation, and surgery. We present a case of an unusual morphologic variant of primary central nervous system PTLD with successful response to rituximab and cranial radiation...
2017: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/28113019/management-of-brain-metastases-in-tyrosine-kinase-inhibitor-na%C3%A3-ve-epidermal-growth-factor-receptor-mutant-non-small-cell-lung-cancer-a-retrospective-multi-institutional-analysis
#8
William J Magnuson, Nataniel H Lester-Coll, Abraham J Wu, T Jonathan Yang, Natalie A Lockney, Naamit K Gerber, Kathryn Beal, Arya Amini, Tejas Patil, Brian D Kavanagh, D Ross Camidge, Steven E Braunstein, Lauren C Boreta, Suresh K Balasubramanian, Manmeet S Ahluwalia, Niteshkumar G Rana, Albert Attia, Scott N Gettinger, Joseph N Contessa, James B Yu, Veronica L Chiang
Purpose Stereotactic radiosurgery (SRS), whole-brain radiotherapy (WBRT), and epidermal growth factor receptor (EGFR)-tyrosine kinase inhibitors (TKIs) are treatment options for brain metastases in patients with EGFR-mutant non-small-cell lung cancer (NSCLC). This multi-institutional analysis sought to determine the optimal management of patients with EGFR-mutant NSCLC who develop brain metastases and have not received EGFR-TKI. Materials and Methods A total of 351 patients from six institutions with EGFR-mutant NSCLC developed brain metastases and met inclusion criteria for the study...
January 23, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28087936/fungal-ligninolytic-enzymes-and-their-applications
#9
Miia R Mäkelä, Erin L Bredeweg, Jon K Magnuson, Scott E Baker, Ronald P de Vries, Kristiina Hildén
The global push toward an efficient and economical biobased economy has driven research to develop more cost-effective applications for the entirety of plant biomass, including lignocellulosic crops. As discussed elsewhere (Karlsson M, Atanasova L, Funck Jensen D, Zeilinger S, in Heitman J et al. [ed], Tuberculosis and the Tubercle Bacillus, 2nd ed, in press), significant progress has been made in the use of polysaccharide fractions from lignocellulose, cellulose, and various hemicellulose types. However, developing processes for use of the lignin fraction has been more challenging...
December 2016: Microbiology Spectrum
https://www.readbyqxmd.com/read/28065654/challenging-cardiac-function-post-spinal-cord-injury-with-dobutamine
#10
Kathryn M DeVeau, Emily K Martin, Nicholas T King, Alice Shum-Siu, Bradley B Keller, Christopher R West, David S K Magnuson
There is general consensus that spinal cord injuries (SCI) above T6 result in altered sympathetic control of the heart, which negatively influences cardiac structure and function. To by-pass disrupted circuitry and investigate cardiac responses under enhanced sympathetic activity we utilized dobutamine (DOB) stress echocardiography. Animals were divided into a T2, 25g-cm contusive SCI (SCI) or an uninjured control (CON) group. Echocardiography was performed pre-SCI and at 1, 2 and 6weeks post-SCI. Increasing doses of DOB (5, 10 & 20μg/min/kg) were infused intravenously pre-SCI and at 1 and 6weeks post-SCI...
December 23, 2016: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/28056053/soluble-b-and-t-lymphocyte-attenuator-correlates-to-disease-severity-in-sepsis-and-high-levels-are-associated-with-an-increased-risk-of-mortality
#11
Anna Lange, Jonas Sundén-Cullberg, Anders Magnuson, Olof Hultgren
INTRODUCTION AND AIMS: B- and T-lymphocyte Attenuator (BTLA), Cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) and Programmed Death 1 (PD-1) are co-inhibitory receptors that regulate T cell activation. In the present study of ICU-treated patients we measured plasma concentrations of their soluble isoforms, with the aim to evaluate their potential as sepsis biomarkers and utility as prognostic indicators. METHODS: 101 patients with sepsis, 28 patients with non-infectious critical illness (ICU controls) and 31 blood donors (healthy controls, HC) were included in the study...
2017: PloS One
https://www.readbyqxmd.com/read/28055303/gene-length-as-a-biological-timer-to-establish-temporal-transcriptional-regulation
#12
Killeen S Kirkconnell, Brian Magnuson, Michelle T Paulsen, Brian Lu, Karan Bedi, Mats Ljungman
Transcriptional timing is inherently influenced by gene length, thus providing a mechanism for temporal regulation of gene expression. While gene size has been shown to be important for the expression timing of specific genes during early development, whether it plays a role in the timing of other global gene expression programs has not been extensively explored. Here, we investigate the role of gene length during the early transcriptional response of human fibroblasts to serum stimulation. Using the nascent sequencing techniques Bru-seq and BruUV-seq, we identified immediate genome-wide transcriptional changes following serum stimulation that were linked to rapid activation of enhancer elements...
February 2017: Cell Cycle
https://www.readbyqxmd.com/read/28050027/a-newly-recognized-association-of-hirschsprung-disease-with-cri-du-chat-syndrome
#13
Imdad Ullah, Lori Mahajan, David Magnuson
No abstract text is available yet for this article.
January 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28040795/weighing-risk-of-cardiovascular-mortality-against-potential-benefit-of-hormonal-therapy-in-intermediate-risk-prostate-cancer
#14
Nataniel H Lester-Coll, Skyler Johnson, William J Magnuson, Samuel Z Goldhaber, David J Sher, Anthony V D'Amico, James B Yu
BACKGROUND: The purpose of this study is to determine the optimal strategy for men with newly diagnosed intermediate-risk prostate cancer by age and cardiac risk. METHODS: A Markov model was calibrated to the EORTC 22991 trial, which randomly assigned men with intermediate-risk prostate cancer to radiation therapy (RT) with or without six months of hormonal therapy (HT). We compared quality-adjusted life-years (QALYs) in men age 50, 60, and 70 years by age decile and cardiac risk group...
June 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28034450/epiploic-appendagitis-a-rare-cause-of-chronic-right-lower-quadrant-pain-in-a-child
#15
Imdad Ullah, Lori Mahajan, David Magnuson
No abstract text is available yet for this article.
December 26, 2016: Journal of Pediatrics
https://www.readbyqxmd.com/read/28029304/cognitive-complaints-in-survivors-of-breast-cancer-after-chemotherapy-compared-with-age-matched-controls-an-analysis-from-a-nationwide-multicenter-prospective-longitudinal-study
#16
Michelle C Janelsins, Charles E Heckler, Luke J Peppone, Charles Kamen, Karen M Mustian, Supriya G Mohile, Allison Magnuson, Ian R Kleckner, Joseph J Guido, Kelley L Young, Alison K Conlin, Lora R Weiselberg, Jerry W Mitchell, Christine A Ambrosone, Tim A Ahles, Gary R Morrow
Purpose Cancer-related cognitive impairment is an important problem for patients with breast cancer, yet its trajectory is not fully understood. Some previous cancer-related cognitive impairment research is limited by heterogeneous populations, small samples, lack of prechemotherapy and longitudinal assessments, use of normative data, and lack of generalizability. We addressed these limitations in a large prospective, longitudinal, nationwide study. Patients and Methods Patients with breast cancer from community oncology clinics and age-matched noncancer controls completed the Functional Assessment of Cancer Therapy-Cognitive Function (FACT-Cog) at prechemotherapy and postchemotherapy and at a 6-month follow-up as an a priori exploratory aim...
December 28, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28009138/intracorporeal-hybrid-single-port-vs-conventional-laparoscopic-appendectomy-in-children
#17
Paul Anthony Karam, Amy Hiuser, David Magnuson, Federico Gian Filippo Seifarth
Transumbilical laparoscopic assisted appendectomy combines laparoscopic single port dissection with open appendectomy after exteriorization of the appendix through the port site. Compared to the conventional three-port approach, this technique provides an alternative with excellent cosmetic outcome. We developed a safe and effective technique to perform an intracorporeal single port appendectomy, using the same laparoscope employed in the extracorporeal procedure. Retrospective review of 71 consecutively performed intracorporeal single port appendectomies and 30 conventional three-port appendectomies in children 6 to 17 years of age...
December 20, 2016: La Pediatria Medica e Chirurgica: Medical and Surgical Pediatrics
https://www.readbyqxmd.com/read/27993987/the-mammal-specific-pdx1-area-ii-enhancer-has-multiple-essential-functions-in-early-endocrine-cell-specification-and-postnatal-%C3%AE-cell-maturation
#18
Yu-Ping Yang, Mark A Magnuson, Roland Stein, Christopher V E Wright
The transcription factor Pdx1 is required for multiple aspects of pancreatic organogenesis. It remains unclear to what extent Pdx1 expression and function depend upon trans-activation through 5' conserved cis-regulatory regions and, in particular, whether the mammal-specific Area II (-2139 to -1958 bp) affects minor or major aspects of organogenesis. We show that Area II is a primary effector of endocrine-selective transcription in epithelial multipotent cells, nascent endocrine progenitors, and differentiating and mature β cells in vivo Pdx1(ΔAREAII/-) mice exhibit a massive reduction in endocrine progenitor cells and progeny hormone-producing cells, indicating that Area II activity is fundamental to mounting an effective endocrine lineage-specification program within the multipotent cell population...
January 15, 2017: Development
https://www.readbyqxmd.com/read/27986210/emerging-technologies-and-techniques-in-radiation-therapy
#19
REVIEW
William J Magnuson, Amandeep Mahal, James B Yu
The past decade has brought an improved ability to precisely target and deliver radiation as well as other focal prostate-directed therapy. Stereotactic body radiotherapy (SBRT), proton beam radiation, high-dose-rate (HDR) brachytherapy, as well as nonradiotherapy treatments such as cryoablation and high-intensity focused ultrasound are several therapeutic modalities that have been investigated for the treatment of prostate cancer in an attempt to reduce toxicity while improving cancer control. However, high-risk prostate cancer requires a comprehensive treatment of the prostate as well as areas at risk for cancer spread...
January 2017: Seminars in Radiation Oncology
https://www.readbyqxmd.com/read/27976431/inhibition-of-adipose-tissue-ppar%C3%AE-prevents-increased-adipocyte-expansion-after-lipectomy-and-exacerbates-a-glucose-intolerant-phenotype
#20
A D Booth, A M Magnuson, K A Cox-York, Y Wei, D Wang, M J Pagliassotti, M T Foster
OBJECTIVES: Adipose tissue plays a fundamental role in glucose homeostasis. For example, fat removal (lipectomy, LipX) in lean mice, resulting in a compensatory 50% increase in total fat mass, is associated with significant improvement in glucose tolerance. This study was designed to further examine the link between fat removal, adipose tissue compensation and glucose homeostasis using a peroxisome proliferator-activated receptor γ (PPAR γ; activator of adipogenesis) knockout mouse...
December 15, 2016: Cell Proliferation
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