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https://www.readbyqxmd.com/read/28820494/immune-response-patterns-and-next-generation-sequencing-diagnostics-for-the-detection-of-mycoses-in-patients-with-septic-shock-results-of-a-combined-clinical-and-experimental-investigation
#1
Sebastian O Decker, Annette Sigl, Christian Grumaz, Philip Stevens, Yevhen Vainshtein, Stefan Zimmermann, Markus A Weigand, Stefan Hofer, Kai Sohn, Thorsten Brenner
Fungi are of increasing importance in sepsis. However, culture-based diagnostic procedures are associated with relevant weaknesses. Therefore, culture- and next-generation sequencing (NGS)-based fungal findings as well as corresponding plasma levels of β-d-glucan, interferon gamma (INF-γ), tumor necrosis factor alpha (TNF-α), interleukin (IL)-2, -4, -6, -10, -17A, and mid-regional proadrenomedullin (MR-proADM) were evaluated in 50 septic patients at six consecutive time points within 28 days after sepsis onset...
August 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28820481/studies-on-the-presence-of-mycotoxins-in-biological-samples-an-overview
#2
REVIEW
Laura Escrivá, Guillermina Font, Lara Manyes, Houda Berrada
Mycotoxins are fungal secondary metabolites with bioaccumulation levels leading to their carry-over into animal fluids, organs, and tissues. As a consequence, mycotoxin determination in biological samples from humans and animals has been reported worldwide. Since most mycotoxins show toxic effects at low concentrations and considering the extremely low levels present in biological samples, the application of reliable detection methods is required. This review summarizes the information regarding the studies involving mycotoxin determination in biological samples over the last 10 years...
August 18, 2017: Toxins
https://www.readbyqxmd.com/read/28819856/fiber-optic-array-scanning-technology-fast-for-detection-and-molecular-characterization-of-circulating-tumor-cells
#3
Zheng Ao, Xiaohe Liu
Circulating tumor cell (CTC) as an important component in "liquid biopsy" holds crucial clinical relevance in cancer prognosis, treatment efficiency evaluation, prediction and potentially early detection. Here, we present a Fiber-optic Array Scanning Technology (FAST) that enables antigen-agnostic, size-agnostic detection of CTC. By immunofluorescence staining detection of a combination of a panel of markers, FAST technology can be applied to detect rare CTC in non-small cell lung cancer (NSCLC) setting with high sensitivity and specificity...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28818459/a-novel-delocalized-lipophilic-cation-chlorambucil-conjugate-inhibits-p-glycoprotein-in-hepg2-adm-cells
#4
Teng Liu, Yongbo Peng, Xiong Li, Lian Liu, Fang Liu, Leye He
Multidrug resistance (MDR) limits the application of a large number of cancer-fighting agents in clinical therapy. One reason is that P-glycoprotein (Pgp) efflux pumps are usually overexpressed and lead to drug efflux in the cancer cells, which limits the viability of many chemotherapeutics. Current available inhibitors which block the Pgp pump efflux are usually not widely used in clinical practice, because they change other drug pharmacokinetic profiles or increase side effects. Here, through covalent linkage of cancer-targeting delocalized lipophilic cation FF and DNA-damaging drug nitrogen mustard chlorambucil (CLB), we rationally designed and synthesized a tumor-targeting anticancer agent FFCLB...
August 4, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28815729/infusions-are-the-optimal-dosing-method-in-intravenous-adme-studies-rather-than-bolus-dosing
#5
April M Barbour, Michael J Fossler
No abstract text is available yet for this article.
August 16, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28812172/delayed-post-mastectomy-breast-reconstructions-with-allogeneic-acellular-dermal-matrix-prepared-by-a-new-decellularizationmethod
#6
Martin Bohac, Ivan Varga, Stefan Polak, Jana Dragunova, Jozef Fedeles, Jan Koller
Acellular dermal matrix (ADM) is a tissue graft of allogeneic origin from post-mortem tissue donors prepared by an innovative decellularization process. The newly developed non-toxic and low cost decellularization process of cadaver origin dermis included ADM in breast reconstruction procedures proved to help coverage of the lower-pole of breast expanders or implants. As the results have shown, it did help to eliminate autologous dermis donor site morbidity along with shortening the operation time by avoiding elevation of additional muscle or fascia during the operation...
August 16, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/28811104/a-double-determination-of-central-motor-conduction-time-in-the-assessment-of-hirayama-disease
#7
Chaojun Zheng, Dongqing Zhu, Feizhou Lu, Yu Zhu, Xiaosheng Ma, Xinlei Xia, Jianyuan Jiang
OBJECTIVE: To investigate central motor conduction time (CMCT) in patients with Hirayama disease (HD) and to analyse the role of motor nerve root lesions in the pathogenesis of HD. METHODS: CMCT measured by F-wave (CMCT-F) and by paravertebral magnetic stimulation (CMCT-M) was performed on both abductor pollicis brevis (APB) and abductor digiti minimi (ADM) in 41 HD patients and 22 controls. All patients underwent neck-flexion magnetic resonance imaging evaluation...
July 31, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28806288/acellular-dermal-matrix-in-immediate-expander-implant-breast-reconstruction-a-multicenter-assessment-of-risks-and-benefits
#8
Michael Sorkin, Ji Qi, Hyungjin M Kim, Jennifer B Hamill, Jeffrey H Kozlow, Andrea L Pusic, Edwin G Wilkins
INTRODUCTION: Acellular dermal matrix (ADM) has gained widespread acceptance in immediate expander/implant reconstruction due to perceived benefits, including improved expansion dynamics and superior aesthetic results. Although previous investigators have evaluated its risks, few studies have assessed the impact of ADM on other outcomes, including patient-reported measures. METHODS: The Mastectomy Reconstruction Outcomes Consortium (MROC) Study used a prospective cohort design to evaluate patients undergoing post-mastectomy reconstruction from 10 centers and 58 participating surgeons between 2012 and 2015...
August 3, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28803498/screening-circular-rna-related-to-chemotherapeutic-resistance-in-breast-cancer
#9
Danfeng Gao, Xiufen Zhang, Beibei Liu, Dong Meng, Kai Fang, Zijian Guo, Lihua Li
AIM: We aimed to identify circular RNAs (circRNAs) associated with breast cancer chemoresistance. MATERIALS & METHODS: CircRNA microarray expression profiles were obtained from Adriamycin (ADM) resistant MCF-7 breast cancer cells (MCF-7/ADM) and parental MCF-7 cells and were validated using quantitative real-time reverse transcription PCR. The expression data were analyzed bioinformatically. RESULTS: We detected 3093 circRNAs and identified 18 circRNAs that are differentially expressed between MCF-7/ADM and MCF-7 cells; after validating by quantitative real-time reverse transcription PCR, we predicted the possible miRNAs and potential target genes of the seven upregulated circRNAs using TargetScan and miRanda...
August 14, 2017: Epigenomics
https://www.readbyqxmd.com/read/28803043/structure-based-development-of-novel-triazoles-and-related-thiazolotriazoles-as-anticancer-agents-and-cdc25a-b-phosphatase-inhibitors-synthesis-in%C3%A2-vitro-biological-evaluation-molecular-docking-and-in-silico-adme-t-studies
#10
Sherif A F Rostom, Mona H Badr, Heba A Abd El Razik, Hayam M A Ashour
Synthesis of twenty nine new 1,2,4-triazoles and some derived thiazolothiadiazoles (structurally-relevant to some reported triazoles with anticancer and/or Cdc25A/B inhibitory activities) is described in this study. The obtained NCI's in vitro antitumor data revealed that five analogs (12, 15, 18, 19 and 22) displayed considerable tumor percentage growth inhibitory activity (GI%), among which the analog 18 possessed a special antitumor potential and spectrum. Additionally, the same five analogs showed a marginal GI effect on the normal breast epithelial cell line MCF-10A indicating higher selectivity towards cancer cells...
July 25, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28802226/taraxerol-a-pentacyclic-triterpenoid-from-abroma-augusta-leaf-attenuates-diabetic-nephropathy-in-type-2-diabetic-rats
#11
Ritu Khanra, Niloy Bhattacharjee, Tarun K Dua, Ashis Nandy, Achintya Saha, Jatin Kalita, Prasenjit Manna, Saikat Dewanjee
Persistent hyperglycaemia coupled with inflammation plays an important role in the pathogenesis of diabetic nephropathy (DN). Present study examined the therapeutic potential of taraxerol isolated from the methanol extract of Abroma augusta leaf against DN using rodent model of type 2 diabetes (T2D). T2D was experimentally induced by high fat diet and a single low-single dose of streptozotocin (35mg/kg, i.p.). Accumulation of serum creatinine, urea, and uric acid, activation of lactate dehydrogenase and creatinin kinase, and release of urinary albumin represented the glomerular damage and the progression of nephropathy in T2D rats...
August 9, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28800567/a-comparative-evaluation-of-anaerobic-dechlorination-of-pcb-118-and-aroclor-1254-in-sediment-microcosms-from-three-pcb-impacted-environments
#12
Devrim Kaya, Ipek Imamoglu, F Dilek Sanin, Kevin R Sowers
Aroclor 1254 (A1254) is the most toxic commercial PCB mixture produced, primarily due to its relatively high concentrations of dioxin-like congeners. This study demonstrates a comparative evaluation of dechlorination of A1254 and PCB-118 by indigenous organohalide respiring bacteria enriched from three PCB impacted sites: Grasse River (GR), NY; Fox River (FR), WI; and Baltimore Harbor (BH), MD. PCB-118 dechlorination rates in GR, BH, and FR was 0.0308, 0.015, and 0.0006 Cl(-)/biphenyl/day, respectively. A1254 dechlorination rates in GR, FR, and BH were 0...
August 3, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28797881/synthesis-and-structure-activity-relationship-study-of-novel-3-heteroarylcoumarins-based-on-pyridazine-scaffold-as-selective-mao-b-inhibitors
#13
María Carmen Costas-Lago, Pedro Besada, Fernanda Rodríguez-Enríquez, Dolores Viña, Santiago Vilar, Eugenio Uriarte, Fernanda Borges, Carmen Terán
Compounds of hybrid structure pyridazine-coumarin were discovered as potent, selective and reversible inhibitors of monoamine oxidase B (MAO-B). These compounds were synthesized in good yield following a multistep approach based on Knoevenagel reaction and using as key intermediate pyridazinone 16, which was obtained from maleic anhydride and furan. Compounds 9b and 9d are the most active compounds of these series, with IC50 values in the sub-micromolar range, and lack of cytotoxic effects. Theoretical calculation of ADME properties also suggested a good pharmacokinetic profile for both compounds...
July 25, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28796993/oral-administration-of-cardioaid-and-lunasin-alleviates-liver-damage-in-a-high-fat-diet-nonalcoholic-steatohepatitis-model
#14
Ariel Drori, Dvorah Rotnemer-Golinkin, Lidya Zolotarov, Yaron Ilan
BACKGROUND: Several of the drugs in development for treatment of nonalcoholic steatohepatitis (NASH) target liver fibrosis or have side effects that prohibit their long-term use in patients with mild to moderate disease. Lunasin is a soy-derived peptide with anti-inflammatory properties. ADM's CardioAid™ is a plant sterol extract that exerts cholesterol- and triacylglycerol-lowering effects. AIM: To determine the immunomodulatory effects of CardioAid and lunasin in a high-fat diet (HFD) animal model of NASH...
August 11, 2017: Digestion
https://www.readbyqxmd.com/read/28796406/diarylpyrazole-ligated-dihydropyrimidine-hybrids-as-potent-non-classical-antifolates-and-their-efficacy-against-plasmodium-falciparum
#15
Jaimin D Bhatt, Chaitanya J Chudasama, Kanuprasad D Patel
A series of diarylpyrazole clubbed dihydropyrimidine derivatives (J1-J30) was synthesized under microwave-assisted heating conditions by employing Biginelli reaction methodology and utilizing triethylammonium acetate both as a catalyst and as reaction medium, leading towards a greener reaction pathway. The synthesized entities were screened for their antimalarial efficacy against a Plasmodium falciparum strain in vitro. The active entities (J9, J15, J21, J25, and J27) obtained out of the in vitro screening were further evaluated for their enzyme inhibitory potency against the Pf-DHFR enzyme in vitro as well as in silico using Glide...
August 10, 2017: Archiv der Pharmazie
https://www.readbyqxmd.com/read/28783870/cxcr4-antagonist-delivery-on-decellularized-skin-scaffold-facilitates-impaired-wound-healing-in-diabetic-mice-by-increasing-expression-of-sdf-1-and-enhancing-migration-of-cxcr4-positive-cells
#16
Hao Liu, Hanping Liu, Xiaoyuan Deng, Maosheng Chen, Xue Han, Wenxia Yan, Ning Wang
C-X-C chemokine receptor type 4 (CXCR4) is an alpha-chemokine receptor specific for stromal cell-derived factor 1 (SDF-1 also called CXCL12). The antagonist of CXCR4 can mobilize CD34+ cells and hematopoietic stem cells from bone marrow within several hours, and it has an efficacy on diabetes ulcer through acting on the SDF-1/CXCR4 axis. In this study, we investigated for the first time whether the antagonist of CXCR4 (Plerixafor/AMD3100) delivered on acellular dermal matrix (ADM) may accelerate diabetes-impaired wound healing...
June 8, 2017: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/28780347/nanoscale-observation-of-the-natural-structure-of-milk-fat-globules-and-casein-micelles-in-the-liquid-condition-using-a-scanning-electron-assisted-dielectric-microscopy
#17
Toshihiko Ogura, Tomoko Okada
Recently, aqueous nanoparticles have been used in drug-delivery systems for new type medicines. In particular, milk-casein micelles have been used as drug nanocarriers for targeting cancer cells. Therefore, nanostructure observation of particles and micelles in their native liquid condition is indispensable for analysing their function and mechanisms. However, traditional optical and scanning electron microscopy have difficulty observing the nanostructures of aqueous micelles. Recently, we developed a novel imaging technique called scanning electron-assisted dielectric microscopy (SE-ADM) that enables observation of various biological specimens in water with very little radiation damage and high-contrast imaging without staining or fixation at an 8-nm spatial resolution...
August 2, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28771010/systems-pharmacology-dissection-of-multi-scale-mechanisms-of-action-for-herbal-medicines-in-treating-rheumatoid-arthritis
#18
Jinghui Wang, Yan Li, Yinfeng Yang, Jian Du, Miaoqing Zhao, Feng Lin, Shuwei Zhang, Bin Wang
As a chronic inflammatory and angiogenic disease with increased morbidity and mortality, rheumatoid arthritis (RA) is characterized by the proliferation of synovial tissue and the accumulation of excessive mononuclear infiltration, which always results in the joint deformity, disability, and eventually the destruction of the bone and cartilage. Traditional Chinese Medicine (TCM), with rich history of proper effectiveness in treating the inflammatory joint disease containing RA, has long combated such illness from, actually, an integrative and holistic point of view...
August 3, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28770967/suppression-of-adriamycin-resistance-in-osteosarcoma-by-blocking-wnt-%C3%AE-catenin-signal-pathway
#19
B-Q Wu, Y Cao, Z-G Bi
OBJECTIVE: Wnt/β-catenin signal pathway plays a role in regulating cell proliferation and apoptosis, and is correlated with tumor onset, progression and drug resistance. B-cell lymphoma 2 (Bcl-2) is an anti-apoptotic factor inducing tumor cell drug resistance. Wnt/β-catenin signal pathway can modulate Bcl-2 expression. This study established a cell model of drug resistance using adriamycin (ADM) treatment. Wnt/β-catenin signal pathway was intervened to discuss its role in drug resistance of osteosarcoma cells...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28768512/theory-of-synergistic-effects-hill-type-response-surfaces-as-null-interaction-models-for-mixtures
#20
Michael Schindler
BACKGROUND: The classification of effects caused by mixtures of agents as synergistic, antagonistic or additive depends critically on the reference model of 'null interaction'. Two main approaches are currently in use, the Additive Dose (ADM) or concentration addition (CA) and the Multiplicative Survival (MSM) or independent action (IA) models. We compare several response surface models to a newly developed Hill response surface, obtained by solving a logistic partial differential equation (PDE)...
August 2, 2017: Theoretical Biology & Medical Modelling
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