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https://www.readbyqxmd.com/read/28412587/accuracy-of-the-online-prognostication-tools-predict-and-adjuvant-for-early-stage-breast-cancer-patients-younger-than-50-years
#1
Ellen G Engelhardt, Alexandra J van den Broek, Sabine C Linn, Gordon C Wishart, Emiel J Th Rutgers, Anthonie O van de Velde, Vincent T H B M Smit, Adri C Voogd, Sabine Siesling, Mariël Brinkhuis, Caroline Seynaeve, Pieter J Westenend, Anne M Stiggelbout, Rob A E M Tollenaar, Flora E van Leeuwen, Laura J van 't Veer, Peter M Ravdin, Paul D P Pharaoh, Marjanka K Schmidt
IMPORTANCE: Online prognostication tools such as PREDICT and Adjuvant! are increasingly used in clinical practice by oncologists to inform patients and guide treatment decisions about adjuvant systemic therapy. However, their validity for young breast cancer patients is debated. OBJECTIVE: To assess first, the prognostic accuracy of PREDICT's and Adjuvant! 10-year all-cause mortality, and second, its breast cancer-specific mortality estimates, in a large cohort of breast cancer patients diagnosed <50 years...
April 13, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28408911/metabolic-adaptation-a-specialized-leaf-organ-structure-and-vascular-responses-to-diurnal-n2-fixation-by-nostoc-azollae-sustain-the-astonishing-productivity-of-azolla-ferns-without-nitrogen-fertilizer
#2
Paul Brouwer, Andrea Bräutigam, Valerie A Buijs, Anne O E Tazelaar, Adrie van der Werf, Urte Schlüter, Gert-Jan Reichart, Anthony Bolger, Björn Usadel, Andreas P M Weber, Henriette Schluepmann
Sustainable agriculture demands reduced input of man-made nitrogen (N) fertilizer, yet N2 fixation limits the productivity of crops with heterotrophic diazotrophic bacterial symbionts. We investigated floating ferns from the genus Azolla that host phototrophic diazotrophic Nostoc azollae in leaf pockets and belong to the fastest growing plants. Experimental production reported here demonstrated N-fertilizer independent production of nitrogen-rich biomass with an annual yield potential per ha of 1200 kg(-1) N fixed and 35 t dry biomass...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28403549/chaotropic-heat-treatment-resolves-native-like-aggregation-of-a-heterologously-produced-hyperthermostable-laminarinase
#3
Adrie H Westphal, Astrid A Geerke-Volmer, Carlo P M van Mierlo, Willem J H van Berkel
Production of hyperthermostable enzymes in mesophilic hosts frequently causes undesired aggregation of these proteins. During production of Pyrococcus furiosus endo-β-1,3 glucanase (LamA) in Escherichia coli, soluble and insoluble species form. Here, we address the composition of this mixture, including the nature of LamA conformers, and establish a method to increase the yield of native monomer. With gel electrophoresis, size-exclusion chromatography, light scattering, circular dichroism and enzyme kinetics we show that approximately 50 % of heterologously produced LamA is soluble, and that 40 % of this fraction constitutes native-like oligomers and non-native monomers...
April 12, 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/28403342/tissue-sulfomucin-and-sialomucin-content-in-colon-mucosa-without-intestinal-transit-subjected-to-intervention-with-curcuma-longa-curcumin
#4
Antonio José Tiburcio Alves, José Aires Pereira, Adrieli Heloísa Campardo Pansani, Daniela Oliveira Magro, Cláudio Saddy Rodrigues Coy, Carlos Augusto Real Martinez
Purpose: To measure the tissue sulfomucin and sialomucin content of the colon mucosa without fecal flow, subjected to intervention with curcumin, and the influence of the concentration used and the intervention time. Methods: Thirty-six rats were subjected to proximal right colostomy and distal mucous fistula. They were divided into two groups according to whether sacrifice was performed two or four weeks after the intervention. Each group was divided into three subgroups according to the enema applied daily: saline alone; curcumin at 50 mg/kg/day or curcumin at 200 mg/kg/day...
March 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28393008/an-unusual-cause-of-ventilatory-failure-in-motor-neurone-disease
#5
Epaminondas Markos Valsamis, Ian Smith, Adri De Sousa
A patient previously diagnosed with motor neurone disease (MND) and gastrostomy-fed was under surveillance for ventilatory decline via our respiratory centre. At a planned review she was found to be hypercapnic, which would usually prompt an offer of non-invasive ventilation for home use. However, she was alkalotic and not acidotic as we might expect. Her serum potassium was checked urgently and confirmed as low. It was established that the community team had prescribed a feeding regime with insufficient potassium...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28389735/omitting-re-excision-for-focally-positive-margins-after-breast-conserving-surgery-does-not-impair-disease-free-and-overall-survival
#6
Elvira L Vos, Sabine Siesling, Margreet H A Baaijens, Cornelis Verhoef, Agnes Jager, Adri C Voogd, Linetta B Koppert
PURPOSE: In contrast to other countries, the Dutch breast cancer guideline does not recommend re-excision for focally positive margins after breast-conserving surgery (BCS) in invasive tumor and does recommend whole-breast irradiation including boost. We investigated whether omitting re-excision as compared to performing re-excision affects prognosis with a retrospective population-based cohort study. METHODS: The total cohort included 32,119 women with primary BCS for T1-T3 breast cancer diagnosed between 2003 and 2008 from the nationwide Netherlands cancer registry...
April 7, 2017: Breast Cancer Research and Treatment
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
#7
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/28381110/the-role-of-nmda-receptors-in-neural-stem-cell-proliferation-and-differentiation
#8
Adri Chakraborty, Suzanne Murphy, Natalia Coleman
N-methyl-D-aspartate receptors (NMDARs) are expressed abundantly in the brain and play an important role in the regulation of neuronal development, learning, memory, neurodegenerative diseases, and neurogenesis, all of which is extensively discussed in reviews published elsewhere. While the number of research articles on the developmental and neurological cues that trigger NMDAR localization across a developing neuron and the role of the NMDAR in embryonic and adult stem cell proliferation and differentiation has been growing dramatically over the past few years, there is not a single review on this latter general topic...
April 5, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28380291/modeling-and-in-situ-probing-of-surface-reactions-in-atomic-layer-deposition
#9
Yuanxia Zheng, Sungwook Hong, George M Psofogiannakis, G Bruce Rayner, Suman Datta, Adri C T van Duin, Roman Engel-Herbert
Atomic layer deposition (ALD) has matured into a preeminent and highly scalable thin film deposition technique, offering an economic route to integrate chemically dissimilar materials with excellent thickness control down to the sub-nanometer regime. Contrary to its extensive applications, a quantitative and comprehensive understanding of the reaction processes seems intangible. Complex and manifold reaction pathways are possible which are strongly affected by the surface chemical state. Here we report a combined modeling and experimental approach utilizing ReaxFF reactive force field simulation and in-situ real-time spectroscopic ellipsome-try to gain insights into the ALD process of Al2O3 from trimethylaluminum and water on hy-drogenated and oxidized Ge(100) surfaces...
April 5, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28376189/breast-cancer-survival-of-brca1-brca2-mutation-carriers-in-a-hospital-based-cohort-of-young-women
#10
Marjanka K Schmidt, Alexandra J van den Broek, Rob A E M Tollenaar, Vincent T H B M Smit, Pieter J Westenend, Mariël Brinkhuis, Wolter J W Oosterhuis, Jelle Wesseling, Maryska L Janssen-Heijnen, Jan J Jobsen, Agnes Jager, Adri C Voogd, Flora E van Leeuwen, Laura J van 't Veer
Background: The primary aim of the study was to investigate prognosis and long-term survival in young breast cancer patients with a BRCA1 or BRCA2 germline mutation compared with noncarriers. The secondary aim was to investigate whether differences in survival originate from associations with tumor characteristics, second cancers, and/or treatment response. Methods: We established a cohort of invasive breast cancer patients diagnosed younger than age 50 years in 10 Dutch hospitals between 1970 and 2003...
August 1, 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28365833/estrogen-and-progesterone-receptor-expression-levels-do-not-differ-between-lobular-and-ductal-carcinoma-in-patients-with-hormone-receptor-positive-tumors
#11
Wilfred Truin, Rudi M H Roumen, Sabine Siesling, Koen K van de Vijver, Vivianne C G Tjan-Heijnen, Adri C Voogd
BACKGROUND: Differences in estrogen (ER) and progesterone (PR) expression between invasive lobular carcinoma (ILC) and invasive ductal carcinoma (IDC) could be an underlying reason for the difference in chemo-sensitivity and response to hormonal therapy between ILC and IDC. The aim of this study was to investigate the differences in ER and PR expression levels between postmenopausal patients with hormonal receptor-positive ILC and IDC. METHODS: We included all ER and/or PR receptor-positive ILC and IDC, diagnosed between January 2011 and December 2013 from the population-based Netherlands Cancer Registry...
April 1, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28355162/gfp-as-potential-cellular-viscosimeter
#12
Antonie J W G Visser, Adrie H Westphal, Victor V Skakun, Jan Willem Borst
The molecular dimensions of proteins such as green fluorescent protein (GFP) are large as compared to the ones of solvents like water or glycerol. The microscopic viscosity, which determines the resistance to diffusion of, e.g. GFP, is then the same as that determined from the resistance of the solvent to flow, which is known as macroscopic viscosity. GFP in water/glycerol mixtures senses this macroscopic viscosity, because the translational and rotational diffusion coefficients are proportional to the reciprocal value of the viscosity as predicted by the Stokes-Einstein equations...
August 18, 2016: Methods and Applications in Fluorescence
https://www.readbyqxmd.com/read/28352939/rigid-shoulder-taping-with-physiotherapy-in-patients-with-subacromial-pain-syndrome-a-randomized-controlled-trial
#13
Adri T Apeldoorn, Steven J Kamper, Joeri Kalter, Dirk L Knol, Maurits W van Tulder, Raymond W Ostelo
OBJECTIVE: To assess the effectiveness of individualized physiotherapy in combination with rigid taping compared with individualized physiotherapy alone in patients with subacromial pain syndrome. DESIGN: A prospective randomized trial with concealed allocation. PATIENTS: A total of 140 patients between 18 and 65 years of age from primary physiotherapy settings. METHODS: The intervention group received individualized physiotherapy and shoulder taping...
March 29, 2017: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28325017/diffuse-reflectance-spectroscopy-can-differentiate-high-grade-and-low-grade-prostatic-carcinoma
#14
Priya N Werahera, Edward A Jasion, E David Crawford, M Scott Lucia, Adrie van Bokhoven, Holly T Sullivan, Fernando J Kim, Paul D Maroni, J David Port, John W Daily, Francisco G La Rosa
Prostate tumors are graded by the revised Gleason Score (GS) which is the sum of the two predominant Gleason grades present ranging from 6-10. GS 6 cancer exclusively with Gleason grade 3 is designated as low grade (LG) and correlates with better clinical prognosis for patients. GS >7 cancer with at least one of the Gleason grades 4 and 5 is designated as HG indicate worse prognosis for patients. Current transrectal ultrasound guided prostate biopsies often fail to correctly diagnose HG prostate cancer due to sampling errors...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28319661/atomistic-insights-into-nucleation-and-formation-of-hexagonal-boron-nitride-on-ni-from-first-principles-based-reactive-molecular-dynamics-simulations
#15
Song Liu, Adri C T van Duin, Diana M van Duin, Bin Liu, James H Edgar
Atomistic-scale insights into the growth of a continuous, atomically thin hexagonal boron nitride (hBN) lattice from elemental boron and nitrogen on Ni substrates were obtained from multi-scale modeling combining density functional theory (DFT) and reactive molecular dynamics (rMD). The quantum mechanical calculations focused on the adsorption and reaction energetics for the hBN building-block species, i.e., atomic B, N, BxNy (x, y = 1-2), on Ni(111) and Ni(211), and the diffusion pathways of elemental B and N on these slab model surfaces and in the sublayer...
March 20, 2017: ACS Nano
https://www.readbyqxmd.com/read/28303547/persistent-lymphopenia-is-a-risk-factor-for-icu-acquired-infections-and-for-death-in-icu-patients-with-sustained-hypotension-at-admission
#16
Christophe Adrie, Maxime Lugosi, Romain Sonneville, Bertrand Souweine, Stéphane Ruckly, Jean-Charles Cartier, Maité Garrouste-Orgeas, Carole Schwebel, Jean-François Timsit
BACKGROUND: Severely ill patients might develop an alteration of their immune system called post-aggressive immunosuppression. We sought to assess the risk of ICU-acquired infection and of mortality according to the absolute lymphocyte count at ICU admission and its changes over 3 days. METHODS: Adults in ICU for at least 3 days with a shock or persistent low blood pressure were extracted from a French ICU database and included. We evaluated the impact of the absolute lymphocyte count at baseline and its change at day 3 on the incidence of ICU-acquired infection and on the 28-day mortality rate...
December 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/28263569/inducible-site-specific-protein-labeling-by-tyrosine-oxidation-strain-promoted-4-2-cycloaddition
#17
Jorick J Bruins, Adrie H Westphal, Bauke Albada, Koen Wagner, Lina Bartels, Hergen Spits, Willem J H van Berkel, Floris L van Delft
Genetically encoded tyrosine (Y-tag) can be utilized as a latent anchor for inducible and site-selective conjugation. Upon oxidation of tyrosine with mushroom tyrosinase, strain-promoted cycloaddition (SPOCQ) of the resulting 1,2-quinone with various bicyclo[6.1.0]nonyne (BCN) derivatives led to efficient conjugation. The method was applied for fluorophore labeling of laminarinase A and for the site-specific preparation of an antibody-drug conjugate.
March 16, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/28259165/validating-the-role-of-the-australian-national-university-alzheimer-s-disease-risk-index-anu-adri-and-a-genetic-risk-score-in-progression-to-cognitive-impairment-in-a-population-based-cohort-of-older-adults-followed-for-12-years
#18
Shea J Andrews, Ranmalee Eramudugolla, Jorge I Velez, Nicolas Cherbuin, Simon Easteal, Kaarin J Anstey
BACKGROUND: The number of people living with dementia is expected to exceed 130 million by 2050, which will have serious personal, social and economic implications. Employing successful intervention and treatment strategies focused on disease prevention is currently the only available approach that can have an impact on the projected rates of dementia, with risk assessment being a key component of population-based risk reduction for identification of at-risk individuals. We evaluated a risk index comprising lifestyle, medical and demographic factors (the Australian National University Alzheimer's Disease Risk Index [ANU-ADRI]), as well as a genetic risk score (GRS), for assessment of the risk of progression to mild cognitive impairment (MCI)...
March 4, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/28258414/what-to-do-with-non-visualized-sentinel-nodes-a-dutch-nationwide-survey-study
#19
Nicole C Verheuvel, Adri C Voogd, Vivianne C G Tjan-Heijnen, Rudi M H Roumen
INTRODUCTION: International guidelines differ regarding their recommendations on axillary treatment of patients with non-visualized sentinel lymph nodes (non-vSLN). Therefore, we distributed a survey among Dutch oncological surgeons to determine their routine practice and opinion regarding axillary treatment in case of a non-vSLN, with the emphasis on whether these practices and opinions have changed since publication of the Z0011 trial. METHODS: A Dutch nationwide survey containing 10 questions regarding clinical routine during the sentinel node procedure and axillary treatment of non-vSLN patients was distributed among 510 oncological surgeons...
March 3, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28256799/prospects-and-challenges-for-the-recovery-of-2-butanol-produced-by-vacuum-fermentation-a-techno-economic-analysis
#20
Joana P C Pereira, Gustavo Lopez-Gomez, Noelia G Reyes, Luuk A M van der Wielen, Adrie J J Straathof
The conceptual design of a bio-based process for 2-butanol production is presented for the first time. Considering a hypothetical efficient producing strain, a vacuum fermentation is proposed to alleviate product toxicity, but the main challenge is the energy-efficient product recovery from the vapor. Three downstream scenarios were examined for this purpose: 1) multi-stage vapor recompression; 2) temperature swing adsorption; and 3) vapor absorption. The processes were simulated using Aspen Plus, considering a production capacity of 101 kton/yr...
March 3, 2017: Biotechnology Journal
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