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https://www.readbyqxmd.com/read/28527420/factors-predictive-of-locoregional-recurrence-following-neoadjuvant-chemotherapy-in-patients-with-large-operable-or-locally-advanced-breast-cancer-an-analysis-of-the-eortc-10994-big-1-00-study
#1
Pauline Gillon, Nathan Touati, Christel Breton-Callu, Leen Slaets, David Cameron, Hervé Bonnefoi
PURPOSE: Identification of clinicopathological factors predicting for a locoregional recurrence (LRR) after neoadjuvant chemotherapy (NAC) could help to decide on the optimal locoregional radiotherapy. The objective of this trial is to identify those factors in the context of a phase III trial (European Organisation for Research and Treatment of Cancer 10994). METHODS: Patients received NAC followed by surgery with or without radiotherapy. Radiotherapy was administered according to pre-specified guidelines...
May 17, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28527393/a-combination-of-platelet-features-allows-detection-of-early-stage-cancer
#2
Siamack Sabrkhany, Marijke J E Kuijpers, Sander M J van Kuijk, Linda Sanders, Sharo Pineda, Steven W M Olde Damink, Anne-Marie C Dingemans, Arjan W Griffioen, Mirjam G A Oude Egbrink
BACKGROUND: Detection of early-stage cancer significantly improves patient survival. As platelets play an important role in cancer progression, we aimed to investigate whether platelets can be used for the discovery of early-stage cancer. METHODS: Patients with lung (n = 86) or head of pancreas (n = 42) cancer were included, as were healthy sex- and age-matched controls (n = 92). Blood was collected before initiation of treatment. Platelet count, volume and activation status were quantified in whole blood...
May 17, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28527302/aortic-adventitial-fibroblast-sensitivity-to-mitogen-activated-protein-kinase-inhibitors-depends-on-substrate-stiffness
#3
Rebecca A Scott, Prathamesh M Kharkar, Kristi L Kiick, Robert E Akins
Adventitial fibroblasts (AFs) are key determinants of arterial function and critical mediators of arterial disease progression. The effects of altered stiffness, particularly those observed across individuals during normal vascular function, and the mechanisms by which AFs respond to altered stiffness, are not well understood. To study the effects of matrix stiffness on AF phenotype, cytokine production, and the regulatory pathways utilized to interpret basic cell-matrix interactions, human aortic AFs were grown in 5%, 7...
May 10, 2017: Biomaterials
https://www.readbyqxmd.com/read/28527242/-small-cell-lung-cancer-associated-with-multiple-paraneoplastic-syndromes
#4
Diana L Franco, Leslie Thomas
We report the case of a patient presenting with multiple severe electrolyte disturbances who was subsequently found to have small cell lung cancer. Upon further evaluation, she demonstrated three distinct paraneoplastic processes, including the syndrome of inappropriate antidiuretic hormone, Fanconi syndrome, and an inappropriate elevation in fibroblast growth factor-23 (FGF23). The patient underwent one round of chemotherapy, but she was found to have progressive disease. After 36 days of hospitalization, the patient made the decision to enter hospice care and later she expired...
January 24, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/28527214/associations-of-spatial-disparities-of%C3%A2-alzheimer-s-disease-mortality-rates-and%C3%A2-soil-selenium-sulfur-concentrations-and-risk-factors-in-the-united-states
#5
Hongbing Sun
BACKGROUND: Associations between environmental factors and spatial disparity of mortality rates of Alzheimer's disease (AD) in the US are not well understood. OBJECTIVE: To find associations between 41 trace elements, four common risk factors, and AD mortality rates in the48 contiguous states. METHODS: Isopleth maps of AD mortality rates of the 48 states and associated factors were examined. Correlations between state average AD mortality rates and concentrations of 41 soil elements, wine consumption, percentage of current smokers, obesity, and diagnosed diabetes of the 48 states between 1999 and 2014 were analyzed...
May 13, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28527211/alzheimer-s-disease-in-the-latino-community-intersection-of-genetics-and-social-determinants-of-health
#6
Irving E Vega, Laura Y Cabrera, Cassandra M Wygant, Daniel Velez-Ortiz, Scott E Counts
Alzheimer's disease (AD) is the most common type of dementia among individuals 65 or older. There are more than 5 million diagnosed cases in the US alone and this number is expected to triple by 2050. Therefore, AD has reached epidemic proportions with significant socioeconomic implications. While aging in general is the greatest risk factor for AD, several additional demographic factors that have contributed to the rise in AD in the US are under study. One such factor is associated with the relatively fast growth of the Latino population...
May 17, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28527192/in-vitro-evaluation-of-an-injectable-biphasic-calcium-phosphate-bcp-carrier-system-combined-with-recombinant-human-bone-morphogenetic-protein-rhbmp-9
#7
Masako Fujioka-Kobayashi, Benoit Schaller, Yufeng Zhang, Benjamin E Pippenger, Richard J Miron
Bone morphogenetic protein 9 (BMP9) has previously been characterized as the strongest osteoinductive growth factor among the BMP family. The aim of the present study was to evaluate the possibility of combining rhBMP9 with an injectable biphasic calcium phosphate (I-BCP, maxresorb inject®), since I-BCP is an easy to handle biomaterial with ideal properties for bone augmentation procedures. The adsorption potential of rhBMP9 as well as the cell behavior of bone stromal ST2 cells were investigated on cell viability, adhesion, proliferation and osteogenic differentiation for I-BCP combined with/without rhBMP9 in vitro...
2017: Bio-medical Materials and Engineering
https://www.readbyqxmd.com/read/28527179/making-time-conservation-of-biological-clocks-from-fungi-to-animals
#8
Jay C Dunlap, Jennifer J Loros
The capacity for biological timekeeping arose at least three times through evolution, in prokaryotic cyanobacteria, in cells that evolved into higher plants, and within the group of organisms that eventually became the fungi and the animals. Neurospora is a tractable model system for understanding the molecular bases of circadian rhythms in the last of these groups, and is perhaps the most intensively studied circadian cell type. Rhythmic processes described in fungi include growth rate, stress responses, developmental capacity, and sporulation, as well as much of metabolism; fungi use clocks to anticipate daily environmental changes...
May 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28527040/fundamental-principles-of-an-anti-vegf-treatment-regimen-optimal-application-of-intravitreal-anti-vascular-endothelial-growth-factor-therapy-of-macular-diseases
#9
REVIEW
Paolo Lanzetta, Anat Loewenstein
BACKGROUND: Intravitreal anti-vascular endothelial growth factor (VEGF) therapy is now considered the gold standard for the treatment of various retinal disorders. As therapy has evolved, so too have the treatment regimens employed by physicians in clinical practice; however, visual outcomes observed in the real world have typically not reflected those reported in clinical trials. Possible reasons for this include a lack of consensus on treatment regimens and a lack of clarity about what the aims of treatment should be...
May 19, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28526995/two-cycles-of-plasma-rich-in-growth-factors-prgf-endoret-intra-articular-injections-improve-stiffness-and-activities-of-daily-living-but-not-pain-compared-to-one-cycle-on-patients-with-symptomatic-knee-osteoarthritis
#10
Víctor Vaquerizo, Sabino Padilla, José Javier Aguirre, Leire Begoña, Gorka Orive, Eduardo Anitua
PURPOSE: To assess the clinical efficacy and safety of a treatment based on one cycle versus two cycles of intra-articular injections of plasma rich in growth factors (PRGF-Endoret) on patients with knee osteoarthritis (OA). METHODS: Ninety patients with knee OA were included and evaluated. A total of 48 patients received one cycle (OC group) (3 injections on a weekly basis), while 42 patients received two cycles of PRGF-Endoret (TC group) spaced 6 months between them...
May 19, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28526933/protection-of-tubular-epithelial-cells-during-renal-injury-via-post-transcriptional-control-of-bmp7
#11
Jiping Sun, Aiping Yin, Fei Zhao, Wenjing Zhang, Jia Lv, Jing Lv
Severe injury of renal tubular epithelial cells may cause acute renal failure, the progression of which results in renal fibrosis, and obstructive nephropathy. Transforming growth factor β 1 and bone morphogenic protein 7 (BMP7) play contradicting roles in and coordinate the process of epithelial-to-mesenchymal transition of renal tubular epithelial cells, but the molecular regulation of BMP7 remains ill-defined. Here, we addressed this question. We found that after induction of unilateral ureteral obstruction (UUO) in mice, the increases in BMP7 mRNA were much more pronounced than BMP7 protein in kidney, suggesting the presence of post-transcriptional control of BMP7...
May 19, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28526921/glp-1-signalling-compensates-for-impaired-insulin-signalling-in-regulating-beta-cell-proliferation-in-%C3%AE-irko-mice
#12
Dan Kawamori, Jun Shirakawa, Chong Wee Liew, Jiang Hu, Tomoaki Morioka, Alokesh Duttaroy, Bryan Burkey, Rohit N Kulkarni
AIMS/HYPOTHESIS: We aimed to investigate potential interactions between insulin and glucagon-like peptide (GLP)-1 signalling pathways in the regulation of beta cell-cycle dynamics in vivo, in the context of the therapeutic potential of GLP-1 to modulate impaired beta cell function. METHODS: Beta cell-specific insulin receptor knockout (βIRKO) mice, which exhibit beta cell dysfunction and an age-dependent decrease in beta cell mass, were treated with the dipeptidyl peptidase-4 inhibitor vildagliptin...
May 20, 2017: Diabetologia
https://www.readbyqxmd.com/read/28526870/time-course-responses-of-circulating-micrornas-to-three-resistance-training-protocols-in-healthy-young-men
#13
Shufang Cui, Biao Sun, Xin Yin, Xia Guo, Dingming Chao, Chunni Zhang, Chen-Yu Zhang, Xi Chen, Jizheng Ma
Circulating microRNAs (c-miRNAs) in human plasma have been described as a potential marker of exercise. The present study investigated the effects of three acute resistance training (RT) protocols on the time-course changes of the c-miRNAs profiles in young males. The subjects (n = 45) were randomly divided into three groups: muscular strength endurance (SE), muscular hypertrophy (MH) and maximum strength (MS). Venous blood samples were obtained before exercise and immediately, 1 h and 24 h after each RT protocol to assess the following biological parameters: c-miRNAs, anabolic and catabolic hormones, inflammatory cytokines and muscle damage markers...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28526811/proteomic-analysis-of-cerebrospinal-fluid-from-children-with-central-nervous-system-tumors-identifies-candidate-proteins-relating-to-tumor-metastatic-spread
#14
Filippo Spreafico, Italia Bongarzone, Sara Pizzamiglio, Ruben Magni, Elena Taverna, Maida De Bortoli, Chiara M Ciniselli, Elena Barzanò, Veronica Biassoni, Alessandra Luchini, Lance A Liotta, Weidong Zhou, Michele Signore, Paolo Verderio, Maura Massimino
Central nervous system (CNS) tumors are the most common solid tumors in childhood. Since the sensitivity of combined cerebrospinal fluid (CSF) cytology and radiological neuroimaging in detecting meningeal metastases remains relatively low, we sought to characterize the CSF proteome of patients with CSF tumors to identify biomarkers predictive of metastatic spread. CSF samples from 27 children with brain tumors and 13 controls (extra-CNS non-Hodgkin lymphoma) were processed using core-shell hydrogel nanoparticles, and analyzed with reverse-phase liquid chromatography/electrospray tandem mass spectrometry (LC-MS/MS)...
May 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28526785/effects-of-arginine-on-growth-virulence-gene-expression-and-stress-tolerance-by-streptococcus-mutans
#15
Brinta Chakraborty, Robert A Burne
Streptococcus mutans is a common constituent of oral biofilms and a primary etiologic agent of human dental caries. The bacteria associated with dental caries have a potent ability to produce organic acids from dietary carbohydrates and to grow and metabolize in acidic conditions. In contrast, many commensal bacteria produce ammonia through the arginine deiminase system (ADS), which moderates the pH of oral biofilms. Arginine metabolism by the ADS is a significant deterrent to the initiation and progression of dental caries...
May 19, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28526774/preliminary-evaluation-of-cytosine-phosphate-guanine-oligodeoxynucleotides-bound-to-gelatine-nanoparticles-as-immunotherapy-for-canine-atopic-dermatitis
#16
I Wagner, K J Geh, M Hubert, G Winter, K Weber, J Classen, C Klinger, R S Mueller
Cytosine-phosphate-guanine oligodeoxynucleotides (CpG ODN) are a promising new immunotherapeutic treatment option for canine atopic dermatitis (AD). The aim of this uncontrolled pilot study was to evaluate clinical and immunological effects of gelatine nanoparticle (GNP)-bound CpG ODN (CpG GNP) on atopic dogs. Eighteen dogs with AD were treated for 8 weeks (group 1, n=8) or 18 weeks (group 2, n=10). Before inclusion and after 2 weeks, 4 weeks, 6 weeks (group 1+2), 8 weeks, 12 weeks and 16 weeks (group 2) 75 µg CpG ODN/dog (bound to 1...
May 19, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28526753/altered-feto-placental-vascularization-feto-placental-malperfusion-and-fetal-growth-restriction-in-mice-with-egfl7-loss-of-function
#17
Lauretta A Lacko, Romulo Hurtado, Samantha Hinds, Michael G Poulos, Jason M Butler, Heidi Stuhlmann
EGFL7 is a secreted, angiogenic factor produced by embryonic endothelial cells. To understand its role in placental development, we established a novel Egfl7 knockout mouse. The mutant mice have gross defects in chorioallantoic branching morphogenesis and placental vascular patterning. Microangiography and 3D imaging revealed patchy perfusion of Egfl7(-/-) placentas marked by impeded blood conductance through sites of narrowed vessels. Consistent with poor feto-placental perfusion, Egfl7 knockout resulted in reduced placental weight and fetal growth restriction...
May 19, 2017: Development
https://www.readbyqxmd.com/read/28526658/nonclinical-pharmacology-and-toxicology-of-the-first-biosimilar-insulin-glargine-drug-product-basaglar-%C3%A2-abasaglar-%C3%A2-approved-in-the-european-union
#18
Richard A Byrd, Rebecca A Owens, Jamie L Blackbourne, David E Coutant, Mark W Farmen, M Dodson Michael, Julie S Moyers, A Eric Schultze, Michael K Sievert, Niraj K Tripathi, John L Vahle
Basaglar(®)/Abasaglar(®) (Lilly insulin glargine [LY IGlar]) is a long-acting human insulin analogue drug product granted marketing authorisation as a biosimilar to Lantus(®) (Sanofi insulin glargine [SA IGlar]) by the European Medicines Agency. We assessed the similarity of LY IGlar to the reference drug product, European Union-sourced SA IGlar (EU-SA IGlar), using nonclinical in vitro and in vivo studies. No biologically relevant differences were observed for receptor binding affinity at either the insulin or insulin-like growth factor-1 (IGF-1) receptors, or in assays of functional or de novo lipogenic activity...
May 16, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/28526628/heparin-based-hydrogels-induce-human-renal-tubulogenesis-in-vitro
#19
Heather M Weber, Mikhail V Tsurkan, Valentina Magno, Uwe Freudenberg, Carsten Werner
Dialysis or kidney transplantation is the only therapeutic option for end stage renal disease. Accordingly, there is a large unmet clinical need for new causative therapeutic treatments. Obtaining robust models that mimic the complex nature of the human kidney is a critical step in the development of new therapeutic strategies. Here we establish a synthetic in vitro human renal tubulogenesis model based on a tunable glycosaminoglycan-hydrogel platform. In this system, renal tubulogenesis can be modulated by the adjustment of hydrogel mechanics and degradability, growth factor signaling, and the presence of insoluble adhesion cues, potentially providing new insights for regenerative therapy...
May 16, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28526612/histomorphological-observation-of-surgical-debridement-combined-with-negative-pressure-therapy-in-treatment-of-diabetic-foot
#20
Jiao-Yun Dong, Fei Song, Chun Qing, Shu-Liang Lu
PURPOSE: To further study the mechanism of epithelization on the fascia side of the flap after surgical incision and the treatment of the negative pressure therapy. METHODS: With the patients' informed consent, parts of tissue samples were obtained from a 51-year-old diabetic patient who was suffering lower extremity ulcers. The samples were processed with hematoxylin and eosin (HE) staining and Masson trichrome staining. The keratin 19, keratin 15 and carcino-embryonic antigen (CEA) were immunohistochemically detected...
April 20, 2017: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
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