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https://www.readbyqxmd.com/read/29211761/prophetic-granger-causality-to-infer-gene-regulatory-networks
#1
Daniel E Carlin, Evan O Paull, Kiley Graim, Christopher K Wong, Adrian Bivol, Peter Ryabinin, Kyle Ellrott, Artem Sokolov, Joshua M Stuart
We introduce a novel method called Prophetic Granger Causality (PGC) for inferring gene regulatory networks (GRNs) from protein-level time series data. The method uses an L1-penalized regression adaptation of Granger Causality to model protein levels as a function of time, stimuli, and other perturbations. When combined with a data-independent network prior, the framework outperformed all other methods submitted to the HPN-DREAM 8 breast cancer network inference challenge. Our investigations reveal that PGC provides complementary information to other approaches, raising the performance of ensemble learners, while on its own achieves moderate performance...
2017: PloS One
https://www.readbyqxmd.com/read/29187086/nutrition-management-of-home-parenteral-nutrition-among-patients-with-enterocutaneous-fistula-in-the-sustain-registry
#2
Charlene Compher, Marion F Winkler, Peggi Guenter, Ezra Steiger
BACKGROUND: Home parenteral nutrition (HPN) is a vital therapy for patients who have the diagnosis of enterocutaneous fistula (ECF), yet little is known about how these patients are managed. This research compares nutrition management of adults with ECF as the indication for HPN therapy to those with other indications. METHODS: This is an analysis of data from adult HPN patients in the Sustain registry enrolled between August 2011 and February 2014 who have the diagnosis of ECF or other indication for HPN who served as the control group...
February 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29187046/denosumab-improves-bone-mineral-density-in-patients-with-intestinal-failure-receiving-home-parenteral-nutrition-results-from-a-randomized-controlled-clinical-trial
#3
Kinga Szczepanek, Michal Pedziwiatr, Stanisław Klek
AIM: Low bone mineral density (BMD) is commonly reported in patients receiving home parenteral nutrition (HPN). Oral and intravenous calcium, vitamin D, and bisphosphonates have been used to treat BMD but with low efficiency due to their limited absorption and patient compliance. Denosumab is a new drug that helps prevent osteoclast development and activation and led to decreased bone resorption in some studies. The aim of this study was to assess its value in HPN patients. METHODS: Between November 2011 and March 2013, 49 patients receiving HPN (29 women, 20 men, mean age 55...
March 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29187042/effect-of-discontinuation-of-manganese-supplementation-from-home-parenteral-nutrition-solutions-on-whole-blood-levels-and-magnetic-resonance-imaging-of-the-brain-a-5-year-cohort-study
#4
Jennifer Jin, Olivia Saqui, Johane P Allard
BACKGROUND: Manganese (Mn) is included in current premixed multiple trace element (TE) additives for home parenteral nutrition (HPN). However, there is a risk of oversupplementation of Mn due to contamination from PN additives. Oversupplementation can produce Mn toxicity with neurologic symptoms and abnormalities on brain magnetic resonance imaging (MRI). In 2009, we reported that whole-blood Mn levels were above the upper limit of normal in 16 HPN patients, with 81% having MRI findings...
March 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29148930/use-of-mixed-oil-fat-emulsion-to-improve-intestinal-failure-associated-liver-disease-in-long-term-home-parenteral-nutrition-a-case-report
#5
Ryan T Hurt, Manpreet S Mundi
Home parenteral nutrition (HPN) is a life-saving therapy for patients who are not able to use their gastrointestinal tract. There are a number of complications associated with HPN, including metabolic bone disease, intestinal failure-associated liver disease (IFALD), and catheter-related bloodstream infections. We present a case of a 32-year-old HPN patient who initially developed biopsy-proven IFALD (total bilirubin, 2.4 mg/dL) while on long-term HPN. His HPN was initiated due to myopathic intestinal dysmotility and pseudo-obstruction when he was 15 years old...
November 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29113094/pediatric-chronic-intestinal-failure-in-italy-report-from-the-2016-survey-on-behalf-of-italian-society-for-gastroenterology-hepatology-and-nutrition-sigenp
#6
Antonella Diamanti, Teresa Capriati, Paolo Gandullia, Grazia Di Leo, Antonella Lezo, Laura Lacitignola, Maria Immacolata Spagnuolo, Simona Gatti, Lorenzo D'Antiga, Giovanna Verlato, Paola Roggero, Sergio Amarri, Maria Elisabetta Baldassarre, Francesco Cirillo, Domenica Elia, Renata Boldrini, Angelo Campanozzi, Carlo Catassi, Marina Aloi, Claudio Romano, Manila Candusso, Nicola Cecchi, Tommaso Bellini, Elaine Tyndall, Fabio Fusaro, Tamara Caldaro, Daniele Alberti, Piergiorgio Gamba, Mario Lima, Pietro Bagolan, Jean De Ville de Goyet, Luigi Dall'Oglio, Marco Spada, Francesca Grandi
BACKGROUND: Intestinal failure (IF) is the reduction in functioning gut mass below the minimal level necessary for adequate digestion and absorption of nutrients and fluids for weight maintenance in adults or for growth in children. There is a paucity of epidemiologic data on pediatric IF. The purpose of this study was to determine the prevalence, incidence, regional distribution and underlying diagnosis of pediatric chronic IF (CIF) requiring home parenteral nutrition (HPN) in Italy...
November 5, 2017: Nutrients
https://www.readbyqxmd.com/read/29111787/performance-status-prognostic-scoring-and-parenteral-nutrition-requirements-predict-survival-in-patients-with-advanced-cancer-receiving-home-parenteral-nutrition
#7
Niamh Keane, Konstantinos C Fragkos, Pinal S Patel, Friderike Bertsch, Shameer J Mehta, Simona Di Caro, Farooq Rahman
We describe a cohort of Home Parenteral Nutrition (HPN) patients with advanced cancer in order to identify factors affecting prognosis. Demographic, anthropometric, biochemical and medical factors, Karnofsky Performance Status (KPS), Glasgow Prognostic Score (GPS), and PN requirements were recorded. Univariate and multivariate analyses were performed including Kaplan-Meier curves, Cox Regression, and correlation analyses. In total, 107 HPN patients (68 women, 39 men, mean age 57 yr) with advanced cancer were identified...
November 7, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/29094999/-home-parenteral-nutrition-a-consensus-document-of-experts-from-andalucia-and-extremadura
#8
Beatriz Gonzalez Aguilera, Gabriel Olveira, Pedro Pablo García Luna, José Luis Pereira Cunill, Luis Miguel Luengo, Antonio Pérez de la Cruz, Jose Antonio Irles Rocamora
Home parenteral nutrition (HPN) is a technique that has allowed the survival in the community of those patients with serious diseases resulting in an intestinal failure that made their nutrition impossible by other methods. It is indicated if there is a documented intestinal failure (understood by the reduction of the intestinal function to the minimum to the point that intravenous supplementation is required to maintain health and/or growth) with impossibility for oral or enteral exclusive nutrition, provided that there is the possibility of managing the patient at home and that there is no short-term survival expectancy...
July 28, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29059712/selectivity-cell-permeability-and-oral-availability-studies-of-novel-bromophenol-derivative-hpn-as-ptp1b-inhibitor
#9
Jiao Luo, Qi Xu, Bo Jiang, Renshuai Zhang, Xiaoling Jia, Xiangqian Li, Lijun Wang, Chuanlong Guo, Ning Wu, Dayong Shi
BACKGROUND AND PURPOSE: Protein tyrosine phosphatase 1B (PTP1B) negatively regulates insulin signaling by tyrosine dephosphorylation of insulin receptor. It is a highly validated target for type 2 diabetes therapeutics. Here, the anti-diabetic effects of HPN were evaluated in the diabetic BKS db mice. EXPERIMENTAL APPROACH: The inhibitory mode of PTP1B was determined according to the Lineweaver-Burk plot in the presence of HPN. Surface plasmon resonance (SPR) assay and molecular docking were used to study the interaction between HPN and PTP1B...
October 23, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29046259/assessing-the-impact-of-quality-improvement-measures-on-catheter-related-blood-stream-infections-and-catheter-salvage-experience-from-a-national-intestinal-failure-unit
#10
A Bond, A Teubner, M Taylor, C Cawley, A Abraham, M Dibb, P R Chadwick, M Soop, G Carlson, S Lal
BACKGROUND & AIMS: Prevention of catheter related blood stream infections (CRBSI) and salvage of infected central venous catheters (CVC) are vital to maintaining long term venous access in patients needing home parenteral nutrition (HPN). It remains unclear as to whether patients are best trained for catheter care at home or in hospital or whether CRBSIs are lower if the patient self-cares for the CVC. Furthermore, there is minimal data on the longer term outcome following salvage of infected catheter and limited consensus on agreed protocols for catheter salvage...
October 10, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29043569/nutritional-support-and-parenteral-nutrition-in-cancer-patients-an-expert-consensus-report
#11
REVIEW
J A Virizuela, M Camblor-Álvarez, L M Luengo-Pérez, E Grande, J Álvarez-Hernández, M J Sendrós-Madroño, P Jiménez-Fonseca, M Cervera-Peris, M J Ocón-Bretón
BACKGROUND: Malnutrition is a frequent medical problem of cancer patients that negatively impacts their quality of life. METHODS: A multidisciplinary group of experts in Medical Oncology, Pharmacy, and Nutrition convened to discuss the management of the nutritional support in cancer patients. RESULTS: Of the 18 questions addressed, 9 focused on nutritional support, 5 were related to parenteral nutrition (PN) and 4 about home PN (HPN). The panel of experts recommends using nutritional screening routinely, at diagnosis and throughout the disease course, for detecting the risk of malnutrition and, if it is positive, to perform a complete nutritional assessment, to diagnose malnutrition...
October 17, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/29038844/in-vitro-antioxidant-antihemolytic-and-anticancer-activity-of-the-carotenoids-from-halophilic-archaea
#12
Jing Hou, Heng-Lin Cui
Halophilic archaea represent a promising natural source of carotenoids. However, little information is available about the biological effects of carotenoids from halophilic archaea. In this study, the carotenoids produced by seven halophilic archaeal strains Halogeometricum rufum, Halogeometricum limi, Haladaptatus litoreus, Haloplanus vescus, Halopelagius inordinatus, Halogranum rubrum, and Haloferax volcanii were identified by ultraviolet/visible spectroscopy, thin-layer chromatography, and high-performance liquid chromatography-tandem mass spectrometry...
October 16, 2017: Current Microbiology
https://www.readbyqxmd.com/read/29016235/telemedicine-support-groups-for-home-parenteral-nutrition-users
#13
Eve-Lynn Nelson, Donna Macan Yadrich, Noreen Thompson, Shawna Wright, Kathaleen Stone, Natasia Adams, Marilyn Werkowitch, Carol E Smith
Patients receiving home parenteral nutrition (HPN), a life-sustaining intravenous (IV) infusion that provides nourishment and hydration to patients with short gut or inflammatory bowel diseases, are often isolated and not in visual contact with peers or health providers. One completed clinical trial (Clinical Trials.gov NCT0190028) and 1 ongoing clinical trial (Clinical Trials.gov NCT02987569) are evaluating a mobile videoconferencing-delivered support group intervention for patients on HPN and their caregivers...
December 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/29016233/metabolic-complications-of-home-parenteral-nutrition
#14
Jamie Davila, Denise Konrad
Home parenteral nutrition (HPN) has benefited countless patients since its initiation almost 5 decades ago. Over time, HPN has been found to be associated with various complications, including metabolic disorders. Metabolic complications can be grouped into short-term (eg, fluid imbalance, electrolyte disturbances, glucose abnormalities) and long-term (eg, hepatobiliary disorders, metabolic bone disease, iron deficiency anemia, manganese toxicity) categories. There are a number of treatment options for each complication...
December 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/29016220/considerations-for-fueling-an-endurance-athlete-with-home-parenteral-nutrition
#15
Emma M Tillman, Marianne Opilla
The goal of clinicians managing nutrition support for patients with home parenteral nutrition (HPN) is to adapt nutrition needs to best serve the consumers, so they may have the best quality of life despite specialized nutrition needs. Some HPN consumers may desire to participate in endurance athletics, which will require special considerations. This review is intended to outline key nutrition differences in endurance athletes that a nutrition support team should consider when providing HPN.
December 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28945530/haloplanus-salinarum-sp-nov-an-extremely-halophilic-archaeon-isolated-from-a-solar-saltern
#16
Han-Bit Hwang, Ye-Eun Kim, Hyeon-Woo Koh, Hye Seon Song, Seong Woon Roh, So-Jeong Kim, Seung Won Nam, Soo-Je Park
An extremely halophilic archaeal strain SP28T was isolated from the Gomso solar saltern, Republic of Korea. Cells of the new strain SP28T were pleomorphic and Gram stain negative, and produced red-pigmented colonies. These grew in medium with 2.5-4.5 M NaCl (optimum 3.1 M) and 0.05-0.5 M MgCl2 (optimum 0.1 M), at 25-50 °C (optimum 37 °C) and at a pH of 6.5-8.5 (optimum pH 8.0). Mg2+ was required for growth. A concentration of at least 2 M NaCl was required to prevent cell lysis. Polar lipids included phosphatidylglycerol, phosphatidylglycerol phosphate methyl ester, phosphatidylglycerol sulfate and one glycolipid chromatographically identical to sulfated mannosyl glucosyl diether...
September 25, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28944497/evolutionarily-derived-networks-to-inform-disease-pathways
#17
Britney E Graham, Christian Darabos, Minjun Huang, Louis J Muglia, Jason H Moore, Scott M Williams
Methods to identify genes or pathways associated with complex diseases are often inadequate to elucidate most risk because they make implicit and oversimplified assumptions about underlying models of disease etiology. These can lead to incomplete or inadequate conclusions. To address this, we previously developed human phenotype networks (HPN), linking phenotypes based on shared biology. However, such visualization alone is often uninterpretable, and requires additional filtering. Here, we expand the HPN to include another method, evolutionary triangulation (ET)...
December 2017: Genetic Epidemiology
https://www.readbyqxmd.com/read/28891586/poly-n-acryloyl-l-phenylalanine-methyl-ester-hollow-core-nanocapsules-facilitate-sustained-delivery-of-immunomodulatory-drugs-and-exhibit-adjuvant-properties
#18
Anil Kumar Yamala, Vinod Nadella, Yitzhak Mastai, Hridayesh Prakash, Pradip Paik
Polymeric hollow nanocapsules have attracted significant research attention as novel drug carriers and their preparation is of particular concern owing to the feasibility to encapsulate a broad range of drug molecules. This work presents for the first time the synthesis and development of novel poly-N-acryloyl l-phenylalanine methyl ester hollow core nanocapsules (NAPA-HPNs) of avg. size ca. 100-150 nm by the mini-emulsion technique. NAPA-HPNs are biocompatible and capable of encapsulating sodium nitroprusside (SNP) at a rate of ∼1...
September 28, 2017: Nanoscale
https://www.readbyqxmd.com/read/28886448/exploring-hepsin-functional-genetic-variation-association-with-disease-specific-protein-expression-in-bipolar-disorder-applications-of-a-proteomic-informed-genomic-approach
#19
Malik Nassan, Yun-Fang Jia, Greg Jenkins, Colin Colby, Scott Feeder, Doo-Sup Choi, Marin Veldic, Susan L McElroy, David J Bond, Richard Weinshilboum, Joanna M Biernacka, Mark A Frye
In a prior discovery study, increased levels of serum Growth Differentiation Factor 15 (GDF15), Hepsin (HPN), and Matrix Metalloproteinase-7 (MMP7) were observed in bipolar depressed patients vs controls. This exploratory post-hoc analysis applied a proteomic-informed genomic research strategy to study the potential functional role of these proteins in bipolar disorder (BP). Utilizing the Genotype-Tissue Expression (GTEx) database to identify cis-acting blood expression quantitative trait loci (cis-eQTLs), five eQTL variants from the HPN gene were analyzed for association with BP cases using genotype data of cases from the discovery study (n = 58) versus healthy controls (n = 777)...
December 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28839904/uk-practice-in-the-prevention-of-central-venous-catheter-associated-thrombosis-in-adults-on-home-parenteral-nutrition
#20
L Macdougall, J Hanley, C Mountford, N P Thompson
BACKGROUND: Maintaining central access is imperative for the delivery of home parenteral nutrition (HPN) in those with intestinal failure. Methods to reduce central venous catheter infection are well recognised; however, the prevention of line thrombosis is less well studied. METHODS: This paper reviews the current evidence and reports a survey of current practice within the UK. Using an electronic survey, respondents were asked to detail their use of anticoagulation in different patient groups and the type of anticoagulation used...
July 2017: Frontline Gastroenterology
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