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https://www.readbyqxmd.com/read/29772811/phenolic-compositions-and-antioxidant-activities-differ-significantly-among-sorghum-grains-with-different-applications
#1
Shuyu Shen, Rui Huang, Charlie Li, Wenyan Wu, Honglin Chen, John Shi, Shiguo Chen, Xingqian Ye
Sorghum grains with different applications had different phenolic profiles, which were corresponded to various antioxidant capacities. In this study, total phenolic, proanthocyanidins and flavonoids contents, as well as contents of individual phenolic compounds from sorghum grains with various applications were determined, and their antioxidant capacities were evaluated. Total phenolic contents (TPC) and total proanthocyanidins contents (TPAC) showed strong correlation with antioxidant activities ( r > 0...
May 17, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29772061/an-image-guided-radiotherapy-decision-support-framework-incorporating-a-bayesian-network-and-visualization-tool
#2
Catriona Hargrave, Timothy Deegan, Tomasz Bednarz, Michael Poulsen, Fiona Harden, Kerrie Mengersen
PURPOSE: To describe a Bayesian network (BN) and complementary visualization tool, that aim to support decision-making during online cone-beam computed tomography (CBCT)-based image guide radiotherapy (IGRT) for prostate cancer patients. METHODS: The BN was created to represent relationships between observed prostate, proximal seminal vesicle (PSV), bladder and rectum volume variations, an image feature alignment score (FASTV _ OAR ), delivered dose and treatment plan compliance (TPC)...
May 17, 2018: Medical Physics
https://www.readbyqxmd.com/read/29769067/antioxidant-capacity-of-cinnamon-extract-for-palm-oil-stability
#3
Muhammad Zia Shahid, Hafiza Saima, Adeela Yasmin, Muhammad Tahir Nadeem, Muhammad Imran, Muhammad Afzaal
BACKGROUND: Spices and their bioactive components are more promising attractions for their inclusion in diet-based regimes to improve human health. These are sources of natural antioxidants and play an important role in the chemoprevention of diseases and aging. The aim of the current study was to explore the antioxidant potential of cinnamon; a widely used spice throughout the world. METHODS: The current research was aimed to investigate the antioxidant potential of cinnamon extract...
May 16, 2018: Lipids in Health and Disease
https://www.readbyqxmd.com/read/29767243/inhibitory-roles-of-mir%C3%A2-9-on-papillary-thyroid-cancer-through-targeting-braf
#4
Yi Gu, Nan Yang, Leping Yin, Chao Feng, Tong Liu
MicroRNA‑9 (miR‑9) is reported to be underexpressed in papillary thyroid carcinoma (PTC) tissues; however, the molecular mechanisms underlying the implication of miR‑9 in PTC have yet to be elucidated. The present study aimed to explore the potential roles of miR‑9 in PTC. PTC tissue samples and paired non‑cancerous adjacent tissues were collected from 60 patients with PTC. The human TPC‑1 thyroid gland papillary carcinoma cell line was used to investigate the molecular mechanisms underlying the roles of miR‑9 in PTC...
May 11, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29764481/a-total-pleural-covering-of-absorbable-cellulose-mesh-prevents-pneumothorax-recurrence-in-patients-with-birt-hogg-dub%C3%A3-syndrome
#5
Teruaki Mizobuchi, Masatoshi Kurihara, Hiroki Ebana, Sumitaka Yamanaka, Hideyuki Kataoka, Shouichi Okamoto, Etsuko Kobayashi, Toshio Kumasaka, Kuniaki Seyama
BACKGROUND: Birt-Hogg-Dubé syndrome (BHDS) is a recently recognized inherited multiple cystic lung disease causing recurrent pneumothoraces. Similarly to the lesions in patients with lymphangioleiomyomatosis (LAM), the pulmonary cysts are innumerable and widely dispersed and cannot all be removed. We recently described a total pleural covering (TPC) that covers the entire visceral pleura with oxidized regenerated cellulose (ORC) mesh. TPC successfully prevented the recurrence of pneumothorax in LAM patients...
May 15, 2018: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/29762852/inhibition-of-thyroid-carcinoma-cells-with-yap1-protein-interference-and-its-mechanism
#6
C-Y Huang, Z Han, X Li, H-H Xie, S-S Zhu
OBJECTIVE: To investigate the effects and mechanism of yes-associated protein 1 (YAP1) on thyroid carcinoma cells. MATERIALS AND METHODS: Quantitative Real-time PCR (qRT-PCR) and Western blot assay were used to detect the expression of YAP1 in normal thyroid cells (HT-ori3) and four types of thyroid carcinoma cells: FTC-133, IHH-4, TPC-1 and NPA. The cell lines with the highest expression of YAP1 were selected as the experimental materials. qRT-PCR and Western blot assay were used to detect the interference effect of si-YAP1...
April 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29758419/seasonal-ionomic-and-metabolic-changes-in-aleppo-pines-growing-on-mine-tailings-under-mediterranean-semi-arid-climate
#7
Antonio López-Orenes, María C Bueso, Héctor Conesa, Antonio A Calderón, María A Ferrer
Aleppo pine is the most abundant conifer species in Mediterranean basin. Knowledge of adaptive mechanisms to cope with different environmental stresses simultaneously is necessary to improve its resilience to the predicted climatic changes and anthropogenic stressors, such as heavy metal/metal(loid)s (HMMs) pollution. Here, one year-old needles and rhizosphere soil samples from five mining and non-mining (NM) populations of Aleppo pines grown spontaneously in SE Spain were sampled in two consecutive years during spring and summer...
May 11, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29753168/serum-timp1-and-timp2-concentration-in-patients-with-different-grades-of-meningioma
#8
Farhad Mashayekhi, Alia Saberi, Sohail Mashayekhi
OBJECTIVE: Meningiomas are common primary brain tumors that constitute about 13% of all intracranial tumors. Matrix metalloproteinase-9 (MMP-9) is able to degrade the extracellular matrix and basement membrane leading to cancer cell invasion and metastasis. MMPs are specifically inhibited by a family of small extracellular proteins known as the tissue inhibitors of metalloproteinases (TIMPs). The objective of this project was to evaluate serum concentration of TIMP-1 and TIMP-2 in patients with different grades of meningioma...
May 2, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29751607/effect-of-microwave-vacuum-drying-on-the-drying-characteristics-color-microstructure-and-antioxidant-activity-of-green-coffee-beans
#9
Wenjiang Dong, Ke Cheng, Rongsuo Hu, Zhong Chu, Jianping Zhao, Yuzhou Long
The aim of this study is to investigate the effect of microwave vacuum drying (MVD) on the drying characteristics and quality attributes of green coffee beans. We specifically focused on the effective moisture diffusion coefficient ( Deff ), surface temperature, glass transition temperature ( Tg ), water state, and microstructure. The kinetics of color changes during drying, total phenolic content (TPC), and antioxidant activity (DPPH, FRAP, and ABTS) were also characterized. Microwave power during MVD affected the porosity of coffee beans, their color, TPC, and antioxidant activity...
May 11, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29749429/antibacterial-and-antioxidant-activity-of-different-types-of-honey-derived-from-mount-olympus-in-greece
#10
Dimitrios Stagos, Nikolaos Soulitsiotis, Christina Tsadila, Stamatina Papaeconomou, Charalampos Arvanitis, Alexandros Ntontos, Fani Karkanta, Soultana Adamou-Androulaki, Konstantinos Petrotos, Demetrios A Spandidos, Demetrios Kouretas, Dimitris Mossialos
The aim of the present study was to examine the antioxidant and antibacterial activity of 21 types of honey derived from Mount Olympus (Mt. Olympus), a region with great plant biodiversity. The antibacterial activity was examined against the growth of Staphylococcus aureus (S. aureus) and Pseudomonas aeruginosa (P. aeruginosa) by the agar well diffusion assay and the determination of the minimum inhibitory concentration (MIC). The antioxidant activity was assessed by using the 2,2‑diphenyl‑1‑picrylhydrazyl (DPPH) and 2,2'‑azino‑bis(3‑ethylbenzothiazoline‑6‑sulphonic acid (ABTS•+) free radical scavenging assays...
May 4, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29748502/effect-of-phenolic-compounds-on-the-synthesis-of-gold-nanoparticles-and-its-catalytic-activity-in-the-reduction-of-nitro-compounds
#11
Elisabete C B A Alegria, Ana P C Ribeiro, Marta Mendes, Ana M Ferraria, Ana M Botelho do Rego, Armando J L Pombeiro
Gold nanoparticles (AuNPs) were prepared using an eco-friendly approach in a single step by reduction of HAuCl₄ with polyphenols from tea extracts, which act as both reducing and capping agents. The obtained AuNPs were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), ultraviolet⁻visible spectroscopy (UV⁻vis), and X-ray photoelectron spectroscopy (XPS). They act as highly efficient catalysts in the reduction of various aromatic nitro compounds in aqueous solution...
May 10, 2018: Nanomaterials
https://www.readbyqxmd.com/read/29748497/profiling-of-phenolic-compounds-and-antioxidant-activity-of-12-cruciferous-vegetables
#12
Zhifeng Li, Hui Wen Lee, Xu Liang, Dong Liang, Qi Wang, Dejian Huang, Choon Nam Ong
The phenolic profiles of 12 cruciferous vegetables (pakchoi, choysum, Chinese cabbage, kailan, Brussels sprout, cabbage, cauliflower, broccoli, rocket salad, red cherry radish, daikon radish, and watercress) were studied with UHPLC-MS/MS. Antioxidant activity and total phenolic content (TPC) were also evaluated. A total of 74 phenolic compounds were identified, including 16 hydroxycinnamic acids and derivatives, and 58 flavonoids and derivatives. The main flavonoids identified were glycosylated quercetin, kaempferol and isorhamnetin, and the main hydroxycinnamic acids were ferulic, sinapic, caffeic and p -coumaric acids...
May 10, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29747456/intestinal-absorption-and-antioxidant-activity-of-grape-pomace-polyphenols
#13
Veronica Sanda Chedea, Laurentiu Mihai Palade, Daniela Eliza Marin, Rodica Stefania Pelmus, Mihaela Habeanu, Mircea Catalin Rotar, Mihail Alexandru Gras, Gina Cecilia Pistol, Ionelia Taranu
The absorption and antioxidant activity of polyphenols from grape pomace (GP) are important aspects of its valorization as a feed additive in the diet of weaned piglets. This study aimed to evaluate the presence of polyphenols from GP both in vitro in IPEC cells and in vivo in the duodenum and colon of piglets fed with diets containing or not 5% GP and also to compare and correlate the aspects of their in vitro and in vivo absorption. Total polyphenolic content (TPC) and antioxidant status (TAS, CAT, SOD and GPx enzyme activity, and lipid peroxidation-TBARS level) were assessed in duodenum and colon of piglets fed or not a diet with 5% GP...
May 9, 2018: Nutrients
https://www.readbyqxmd.com/read/29739583/the-impact-of-high-pressure-processing-on-the-phenolic-profile-hydrophilic-antioxidant-and-reducing-capacity-of-pur%C3%A3-e-obtained-from-commercial-tomato-varieties
#14
Maja Jeż, Wiesław Wiczkowski, Danuta Zielińska, Ireneusz Białobrzewski, Wioletta Błaszczak
The effect of high hydrostatic pressure (HHP) (450-550-650 MPa/5-10-15 min) on polyphenols profile of purée obtained from commercial tomato varieties (Maliniak, Cerise, Black Prince and Lima) was investigated. Individual polyphenols, total phenolic index (TPI) were quantified using a mass spectrometer (HPLC-MS/MS). Photochemiluminescence (PCLACW), cyclic voltammetry (CV) and ferric reducing antioxidant power (FRAP) assays were used to determine the antioxidant capacity of the hydrophilic extract. The results demonstrated that at certain processing conditions, HHP may enhance or decrease the nutritional quality of tomato purée...
September 30, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29730585/impacts-of-hormonal-elicitors-and-photoperiod-regimes-on-elicitation-of-bioactive-secondary-volatiles-in-cell-cultures-of-ajuga-bracteosa
#15
Huma Ali, Mubarak Ali Khan, Nazif Ullah, Raham Sher Khan
Light is an important physical factor necessary for the growth, morphogenesis and production of bioactive compounds in plants. In this study, effects of different photoperiod regimes and hormonal elicitors were investigated on the accumulation of biomass, antioxidant potential and biosynthesis of secondary volatiles in the cell cultures of Ajuga bracteosa. Maximum accumulation of biomass (13.2 g/L) was recorded in cell cultures established at 1.0 mg/L benzylaminopurine (BA) in exposure to continuous dark...
April 27, 2018: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29720842/-in-vitro-antioxidant-potentials-of-cyperus-rotundus-l-rhizome-extracts-and-their-phytochemical-analysis
#16
Arunagiri Kamala, Sushil Kumar Middha, Chitra Gopinath, H S Sindhura, Chandrakant S Karigar
Background: Cyperus rotundus L. (family Cyperaceae), native to India, is a multivalent medicinal plant widely used in conventional medicine. The research reports on bioactive components from C. rotundus L. are scanty. Objective: The objective of the study was to optimize the best solvent system and bioprospect the possible phytochemicals in C. rotundus L. rhizome (CRR). Materials and Methods: The phytochemicals were extracted from the rhizomes of C...
April 2018: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29717026/steroid-receptor-coactivator-1-interacts-with-nf-%C3%AE%C2%BAb-to-increase-the-vegfc-level-in-human-thyroid-cancer
#17
Bo Gao, Lingji Guo, Donglin Luo, Yan Jiang, Jianjie Zhao, Chengyi Mao, Yan Xu
Thyroid cancer is the most common endocrine cancer, and has a high incidence of lymphatic metastasis. Vascular endothelial growth factor C (VEGFC) is essential for development of lymphatic vessels and lymphatic metastases during carcinogenesis. Steroid receptor coactivator-1 (SRC-1) interacts with nuclear receptors and transcription factors to promote tumor proliferation and metastasis. However, the correlation between SRC-1 and VEGFC levels in the lymphatic metastases of thyroid cancer remains unclear. We analyzed 20 paired specimens of thyroid cancer tissue and normal thyroid tissue and found increased levels of SRC-1 and VEGFC proteins in 13/20 and 15/20 thyroid cancer specimens, respectively, when compared with those levels in specimens of normal thyroid tissue...
May 1, 2018: Bioscience Reports
https://www.readbyqxmd.com/read/29708642/enhancing-the-chemiluminescence-intensity-of-a-kmno-4-formaldehyde-system-for-estimating-the-total-phenolic-content-in-honey-samples-using-a-novel-nanodroplet-mixing-approach-in-a-microfluidics-platform
#18
Haider A J Al Lawati, Baqia Al Mughairy, Iman Al Lawati, FakhrEldin O Suliman
A novel mixing approach was utilized with a highly sensitive chemiluminescence (CL) method to determine the total phenolic content (TPC) in honey samples using an acidic potassium permanganate-formaldehyde system. The mixing approach was based on exploiting the mixing efficiency of nanodroplets generated in a microfluidic platform. Careful optimization of the instrument setup and various experimental conditions were employed to obtain excellent sensitivity. The mixing efficiency of the droplets was compared with the CL signal intensity obtained using the common serpentine chip design, with both approaches using at a total flow rate of 15 μl min-1 ; the results showed that the nanodroplets provided 600% higher CL signal intensity at this low flow rate...
April 30, 2018: Luminescence: the Journal of Biological and Chemical Luminescence
https://www.readbyqxmd.com/read/29706886/lower-choline-and-myo-inositol-in-temporo-parietal-cortex-is-associated-with-apathy-in-amnestic-mci
#19
Shankar Tumati, Esther M Opmeer, Jan-Bernard C Marsman, Sander Martens, Fransje E Reesink, Peter P De Deyn, André Aleman
Apathy is a common symptom in patients with amnestic mild cognitive impairment (aMCI) and is associated with an increased risk of progression to Alzheimer's disease (AD). The neural substrates underlying apathy in aMCI may involve multiple brain regions, including the anterior cingulate cortex and the temporo-parietal region. Here we investigated neurometabolites in brain regions that may underlie apathy in aMCI patients using proton magnetic resonance spectroscopy (1 H-MRS). Twenty-eight aMCI patients with varying degrees of apathy and 20 matched controls underwent 1 H-MRS...
2018: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/29706573/evaluation-of-phenolic-composition-antioxidant-anti-inflammatory-and-anticancer-activities-of-polygonatum-verticillatum-l
#20
Sandeep Kumar Singh, Arjun Patra
OBJECTIVE: Polygonatum verticillatum (L.) All. (Ruscaceae), one of the Ashtawarga plants, is widely used for treatment of various ailments. The present study was undertaken to determine the phenolic composition, antioxidant, anti-inflammatory and anticancer activities of several extracts (petroleum ether, dichloromethane, chloroform, ethanol, and aqueous) from the rhizomes of the plant. METHODS: Coarsely powdered dry rhizome was successively extracted with different solvents of increasing polarity (petroleum ether, dichloromethane, chloroform, ethanol and water)...
April 18, 2018: Journal of Integrative Medicine
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