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https://www.readbyqxmd.com/read/28437805/anti-inflammatory-antipyretic-and-antinociceptive-effects-of-a-cressa-cretica-aqueous-extract
#1
Heba Mohammed Ibrahim Abdallah, Abdelsamed Ibrahim Elshamy, Abd El-Nasser Gaber El Gendy, Ahmed Mohamed Abd El-Gawad, Elsayed Abouelfotowh Omer, Marinella De Leo, Luisa Pistelli
Cressa cretica is a widely grown halophytic plant traditionally used for the treatment of different ailments. Previous investigations reported its biological activity on a wide spectrum of diseases. In this study, in vivo antinociceptive, anti-inflammatory, and antipyretic activities of C. cretica aqueous extract whole plant were evaluated. In addition, the total polyphenol content, the total flavonoid content, and the chemical characterization of the extract were performed. C. cretica showed writhing inhibition in acetic acid-induced peripheral nociception of 43 and 48 % at doses of 50 and 100 mg/kg, respectively...
April 24, 2017: Planta Medica
https://www.readbyqxmd.com/read/28437772/shifts-in-soil-microbial-metabolic-activities-and-community-structures-along-a-salinity-gradient-of-irrigation-water-in-a-typical-arid-region-of-china
#2
Lijuan Chen, Changsheng Li, Qi Feng, Yongping Wei, Hang Zheng, Yan Zhao, Yongjiu Feng, Huiya Li
Saline water irrigation can change soil environment, which thereby influence soil microbial process. Based on a field experiment, the shifts in soil microbial metabolic activities and community structures under five irrigation salinities were studied using Biolog and metagenomic methods in this study. The results demonstrated that microbial metabolic activities were greatly restrained in saline water irrigated soils, as average well color development (AWCD) reduced under all saline water irrigation treatments...
April 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28437742/biological-treatment-of-model-dyes-and-textile-wastewaters
#3
Alicia Paz, Julia Carballo, María José Pérez, José Manuel Domínguez
Previous works conducted in our laboratory, reveled that Bacillus aryabhattai DC100 produce ligninolytic enzymes such as laccases and/or peroxidases, opening new applications in different bioprocesses, including the treatment of disposal residues such as dyestuffs from textile processing industries. This work described the degradation of three commercial model dyes Coomassie Brilliant Blue G-250 (CBB), Indigo Carmine (IC) and Remazol Brilliant Blue R (RBBR) under different culture media and operational conditions...
April 18, 2017: Chemosphere
https://www.readbyqxmd.com/read/28437728/is-a-a-o-process-effective-in-toxicity-removal-case-study-with-coking-wastewater
#4
Liu Shi, Dong Wang, Di Cao, Chunhong Na, Xie Quan, Ying Zhang
The anaerobic-anoxic-oxic (A/A/O) process is the commonly used biological wastewater treatment process, especially for the coking wastewater. However, limit is known about its ability in bio-toxicity removal from wastewater. In this study, we evaluated the performance of A/A/O process in bio-toxicity removal from the coking wastewater, using two test species (i.e. crustacean (Daphnia magna) and zebra fish (Danio rerio)) in respect of acute toxicity, oxidative damage and genotoxicity. Our results showed that the acute toxicity of raw influent was reduced gradually along with A/A/O process and the effluent presented no acute toxicity to Daphnia magna (D...
April 21, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28437649/occurrences-and-removal-of-pharmaceuticals-and-personal-care-products-ppcps-in-drinking-water-and-water-sewage-treatment-plants-a-review
#5
REVIEW
Yi Yang, Yong Sik Ok, Ki-Hyun Kim, Eilhann E Kwon, Yiu Fai Tsang
In recent years, many of micropollutants have been widely detected because of continuous input of pharmaceuticals and personal care products (PPCPs) into the environment and newly developed state-of-the-art analytical methods. PPCP residues are frequently detected in drinking water sources, sewage treatment plants (STPs), and water treatment plants (WTPs) due to their universal consumption, low human metabolic capability, and improper disposal. When partially metabolized PPCPs are transferred into STPs, they elicit negative effects on biological treatment processes; therefore, conventional STPs are insufficient when it comes to PPCP removal...
April 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28437628/advanced-biomaterials-and-microengineering-technologies-to-recapitulate-the-stepwise-process-of-cancer-metastasis
#6
REVIEW
Nitish Peela, Danh Truong, Harpinder Saini, Hunghao Chu, Samaneh Mashaghi, Stephanie L Ham, Sunil Singh, Hossein Tavana, Bobak Mosadegh, Mehdi Nikkhah
Cancer is one of the leading causes of death globally according to the World Health Organization. Although improved treatments and early diagnoses have reduced cancer related mortalities, metastatic disease remains a major clinical challenge. The local tumor microenvironment plays a significant role in cancer metastasis, where tumor cells respond and adapt to a plethora of biochemical and biophysical signals from stromal cells and extracellular matrix (ECM) proteins. Due to these complexities, there is a critical need to understand molecular mechanisms underlying cancer metastasis to facilitate the discovery of more effective therapies...
April 21, 2017: Biomaterials
https://www.readbyqxmd.com/read/28437571/label-free-high-temporal-resolution-assessment-of-cell-proliferation-using-digital-holographic-microscopy
#7
Birgit Janicke, Andreas Kårsnäs, Peter Egelberg, Kersti Alm
Cell proliferation assays are widely applied in biological sciences to understand the effect of drugs over time. However, current methods often assess cell population growth indirectly, that is, the cells are not actually counted. Instead other parameters, for example, the amount of protein, are determined. These methods often also demand phototoxic labels, have low temporal resolution, or employ end-point assays, and frequently are labor intensive. We have developed a robust and label-free kinetic cell proliferation assay with high temporal resolution for adherent cells using digital holographic microscopy (DHM), one of many quantitative phase microscopy techniques...
April 24, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28437437/use-of-short-interfering-rna-delivered-by-cationic-liposomes-to-enable-efficient-down-regulation-of-ptpn22-gene-in-human-t-lymphocytes
#8
Valentina Perri, Marsha Pellegrino, Francesca Ceccacci, Anita Scipioni, Stefania Petrini, Elena Gianchecchi, Anna Lo Russo, Serena De Santis, Giovanna Mancini, Alessandra Fierabracci
Type 1 diabetes and thyroid disease are T cell-dependent autoimmune endocrinopathies. The standard substitutive administration of the deficient hormones does not halt the autoimmune process; therefore, development of immunotherapies aiming to preserve the residual hormonal cells, is of crucial importance. PTPN22 C1858T mutation encoding for the R620W lymphoid tyrosine phosphatase variant, plays a potential pathophysiological role in autoimmunity. The PTPN22 encoded protein Lyp is a negative regulator of T cell antigen receptor signaling; R620W variant, leading to a gain of function with paradoxical reduced T cell activation, may represent a valid therapeutic target...
2017: PloS One
https://www.readbyqxmd.com/read/28437353/evaluation-of-the-modern-luque-trolley-construct-for-the-treatment-of-early-onset-scoliosis-using-a-gliding-implant-in-an-immature-animal-model
#9
Jean A Ouellet, Catherine E Ferland, Karina Klein, Guillaume Racloz, Karina Klein, Henning Richter, Thomas Steffen, Brigitte von Rechenberg
STUDY DESIGN: This was an experimental animal study. OBJECTIVE: To determine biological compatibility, stability, and growth potential of the Trolley Gliding Vehicle (TGV) used in a novel surgical technique for guided spinal growth. SUMMARY OF BACKGROUND DATA: Current treatments for early-onset scoliosis maintaining spinal growth consist of posteriorly based spinal constructs requiring repetitive lengthening. Such interventions have a high rate of complications...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437091/speeding-up-early-drug-discovery-in-antiviral-research-a-fragment-based-in-silico-approach-for-the-design-of-virtual-anti-hepatitis-c-leads
#10
Alejandro Speck-Planche, M Natalia Dias Soeiro Cordeiro
Hepatitis C constitutes an unresolved global health problem. This infectious disease is caused by the hepatotropic hepatitis C virus (HCV), and it can lead to the occurrence of life-threatening medical conditions such as cirrhosis and liver cancer. Nowadays, major clinical concerns have arisen due to the appearance of multidrug resistance (MDR), and the side effects especially associated with long-term treatments. In this work, we report the first multitasking model for quantitative structure-biological effect relationships (mtk-QSBER), focused on the simultaneous exploration of anti-HCV activity and in vitro safety profiles related to the absorption, distribution, metabolism, elimination, and toxicity (ADMET)...
April 24, 2017: ACS Combinatorial Science
https://www.readbyqxmd.com/read/28436442/thermal-stability-storage-and-release-of-proteins-with-tailored-fit-in-silica
#11
Yun-Chu Chen, Tristan Smith, Robert H Hicks, Aswin Doekhie, Francoise Koumanov, Stephen A Wells, Karen J Edler, Jean van den Elsen, Geoffrey D Holman, Kevin J Marchbank, Asel Sartbaeva
Biological substances based on proteins, including vaccines, antibodies, and enzymes, typically degrade at room temperature over time due to denaturation, as proteins unfold with loss of secondary and tertiary structure. Their storage and distribution therefore relies on a "cold chain" of continuous refrigeration; this is costly and not always effective, as any break in the chain leads to rapid loss of effectiveness and potency. Efforts have been made to make vaccines thermally stable using treatments including freeze-drying (lyophilisation), biomineralisation, and encapsulation in sugar glass and organic polymers...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28436411/benign-mixed-epithelial-and-stromal-tumor-of-the-kidney-with-inferior-vena-cava-tumor-thrombus-a-rare-case-report-and-review-of%C3%A2-literature
#12
Chi Zhang, Xiaofei Li, Chengqiang Mo, Zhenpeng Peng, Ruilin Yang, Yiming Tang, Yuanyuan Zhang, Rongpei Wu
Mixed epithelial and stromal tumor of the kidney (MESTK) is a rare renal tumor composed of epithelial and stromal cells. In this study, we report a rare case of MESTK, which was pathologically benign but complicated with renal vein and inferior vena cava tumor thrombus. The 50-year-old female patient was admitted to hospital for a mass on the left kidney. Computed tomography showed a 32 mm×18 mm mass with slight delayed enhancement in the left renal sinus, and neoplastic thrombus was detected in left renal vein and inferior vena cava...
April 18, 2017: Journal of X-ray Science and Technology
https://www.readbyqxmd.com/read/28436391/prediction-of-conversion-to-alzheimer-s-disease-with-longitudinal-measures-and-time-to-event-data
#13
Kan Li, Wenyaw Chan, Rachelle S Doody, Joseph Quinn, Sheng Luo
BACKGROUND: Identifying predictors of conversion to Alzheimer's disease (AD) is critically important for AD prevention and targeted treatment. OBJECTIVE: To compare various clinical and biomarker trajectories for tracking progression and predicting conversion from amnestic mild cognitive impairment to probable AD. METHODS: Participants were from the ADNI-1 study. We assessed the ability of 33 longitudinal biomarkers to predict time to AD conversion, accounting for demographic and genetic factors...
April 18, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28436376/carpal-tunnel-syndrome-symptoms-causes-and-treatment-options-literature-reviev
#14
Radoslav Zamborsky, Milan Kokavec, Lukas Simko, Martin Bohac
Carpal Tunnel Syndrome (CTS) is the most common form of entrapment neuropathy. Several authors have investigated the anatomical and pathophysiological features of CTS and have identified several parameters that, in combination, play a significant role in its pathophysiology. Advancement in biological research on CTS has enabled the advent of efficient diagnostic techniques such as provocative tests and nerve conduction studies. Sophisticated technologies, such as magnetic resonance imaging (MRI) and ultrasonography (US), have facilitated the diagnosis of CTS...
January 26, 2017: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28436374/factors-influencing-treatment-of-proximal-femoral-fractures
#15
Sławomir Dudko, Paweł Kosior, Damian Kusz, Anna Wagner, Marcin Kusz, Karolina Godyń
BACKGROUND: Orthopaedics and traumatology departments are dominated by patients with proximal femoral fractures, who represent 20-30% of all patients treated there. The aim of this study was identification and evaluation of factors influencing treatment of proximal femoral fractures. MATERIAL AND METHODS: Between 2008 and 2015, we treated 424 femoral neck fractures and 442 trochanteric fractures in patients over 40 y/o. The impact of fracture location (femoral neck/trochanteric), character (non-displaced/displaced) and the patient's general condition (metrical/biological age, health condition) on qualification and treatment used (fixations/hip pro-sthesis/non-operative) was analyzed...
January 26, 2017: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28436261/a-qrt-pcr-and-gene-functional-enrichment-study-focused-on-downregulation-of-mir-141-3p-in-hepatocellular-carcinoma-and-its-clinicopathological-significance
#16
Cui-Zhen Liu, Zhi-Hua Ye, Jie Ma, Rong-Quan He, Hai-Wei Liang, Zhi-Gang Peng, Gang Chen
BACKGROUND: The clinical significance of miR-141-3p in hepatocellular carcinoma has not been verified. Therefore, we conducted this study to examine miR-141-3p expression and its clinical significance in hepatocellular carcinoma and to investigate the functions of its potential targets. METHODS: The Cancer Genome Atlas database and the Gene Expression Omnibus database were used to explore the aberrant expression of miR-141-3p in hepatocellular carcinoma. Furthermore, we assessed the miR-141-3p levels in 95 hepatocellular carcinoma tissues with 95 matched adjacent tissues using real-time quantitative polymerase chain reaction...
January 1, 2017: Technology in Cancer Research & Treatment
https://www.readbyqxmd.com/read/28436003/bio-coda-a-new-analysis-class-to-ensure-accurate-and-precise-monoclonal-antibody-cqa-estimation-and-control
#17
Anthony Lonardo, Babita Saxena Parekh, Arvind Srivastava
Monoclonal antibody production processes control Critical Quality Attributes (CQAs) which are the measures that provide proof of a product's identity and quality. Critical decisions rely on the accuracy and precision of these measures, as well as their appropriate statistical treatment. Many measures require special attention. For example the charge heterogeneity CQA measured by Ionic Exchange Chromatography (IEC) reports proportions or percentages of the total integrated peak area of known species. Since proportions sum to a constant (1 or 100%) they fall into a special class of data called compositional data which have a unit sum constraint and therefore an inherent correlation...
April 24, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28435922/spontaneous-corpectomy-and-anterior-arthrodesis-in-lumbar-spine-how-ankylosing-spondylitis-can-resolve-a-vertebral-fracture
#18
Daniele Vanni, Andrea Pantalone, Stefano Di Carlo, Vincenzo Magliani, Pedro Berjano, Vincenzo Salini
Between the 80% and 90% of vertebral fractures in over 65 years people are due to osteoporosis. Over the 30% of patients affected by vertebral osteoporosis fractures needs of surgical treatment and the 12% presents complications requiring an invasive surgical approach. We report an unusual case of spontaneous corpectomy and anterior arthrodesis occurred in a patient suffering from Ankylosing Spondylitis. This event invites us to reflect about the magnitude of the biological power of the bone healing, even in adverse conditions...
March 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/28435677/control-of-immune-cell-entry-through-the-tumour-vasculature-a-missing-link-in-optimising-melanoma-immunotherapy
#19
REVIEW
Lih Yin Tan, Carmela Martini, Zvi G Fridlender, Claudine S Bonder, Michael P Brown, Lisa M Ebert
Metastatic melanoma remains a fatal disease to many worldwide, even after the breakthrough introduction of targeted therapies such as BRAF inhibitors and immune checkpoint blockade therapies such as CTLA-4 and PD-1 inhibitors. With advances in our understanding of this disease, as well as the increasing data gathered from patient studies, the significance of the host immune response to cancer progression and response to treatment is becoming clear. More specifically, the presence of intratumoral CD8(+) cytotoxic T-cells correlates with better prognosis whereas the accumulation of monocytes/macrophages and neutrophils in the tumour is often associated with worse prognosis...
March 2017: Clinical & Translational Immunology
https://www.readbyqxmd.com/read/28435619/acid-etching-of-glass-infiltrated-zirconia-and-its-biological-response
#20
Van Thi Vu, Gye-Jeong Oh, Kwi-Dug Yun, Hyun-Pil Lim, Ji-Won Kim, Thao Phuong Thi Nguyen, Sang-Won Park
PURPOSE: The purpose of this study was to evaluate the influence of acid etching treatment on surface characteristics and biological response of glass-infiltrated zirconia. MATERIALS AND METHODS: A hundred zirconia specimens were divided into four groups depending on surface treatments: untreated zirconia (group Z); acid-etched zirconia (group ZE); glass-infiltrated zirconia (group ZG); and glass-infiltrated and acid-etched zirconia (group ZGE). Surface roughness, surface topography, surface morphology, and Vickers hardness of specimens were evaluated...
April 2017: Journal of Advanced Prosthodontics
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