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https://www.readbyqxmd.com/read/28342849/comparative-effects-of-etoh-consumption-and-thiamine-deficiency-on-cognitive-impairment-oxidative-damage-and-%C3%AE-amyloid-peptide-overproduction-in-the-brain
#1
Yu-Shi Gong, Kun Hu, Lu-Qi Yang, Juan Guo, Yong-Qing Gao, Feng-Lin Song, Fang-Li Hou, Cui-Yi Liang
The effects of chronic EtOH consumption, associated or not with thiamine deficiency (TD), on cognitive impairment, oxidative damage, and β-amyloid (Aβ) peptide accumulation in the brain were investigated in male C57BL/6 mice. We established an alcoholic mouse model by feeding an EtOH liquid diet, a TD mouse model by feeding a thiamine-depleted liquid diet, and an EtOH treatment associated with TD mouse model by feeding a thiamine-depleted EtOH liquid diet for 7 weeks. The learning and memory functions of the mice were detected through the Y-maze test...
March 22, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28337858/transdermal-protein-delivery-using-choline-and-geranate-cage-deep-eutectic-solvent
#2
Amrita Banerjee, Kelly Ibsen, Yasunori Iwao, Michael Zakrewsky, Samir Mitragotri
Transdermal delivery of peptides and other biological macromolecules is limited due to skin's inherent low permeability. Here, the authors report the use of a deep eutectic solvent, choline and geranate (CAGE), to enhance topical delivery of proteins such as bovine serum albumin (BSA, molecular weight: ≈66 kDa), ovalbumin (OVA, molecular weight: ≈45 kDa) and insulin (INS, molecular weight: 5.8 kDa). CAGE enhances permeation of BSA, OVA, and insulin into porcine skin ex vivo, penetrating deep into the epidermis and dermis...
March 24, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28337245/multifarious-beneficial-effect-of-nonessential-amino-acid-glycine-a-review
#3
REVIEW
Meerza Abdul Razak, Pathan Shajahan Begum, Buddolla Viswanath, Senthilkumar Rajagopal
Glycine is most important and simple, nonessential amino acid in humans, animals, and many mammals. Generally, glycine is synthesized from choline, serine, hydroxyproline, and threonine through interorgan metabolism in which kidneys and liver are the primarily involved. Generally in common feeding conditions, glycine is not sufficiently synthesized in humans, animals, and birds. Glycine acts as precursor for several key metabolites of low molecular weight such as creatine, glutathione, haem, purines, and porphyrins...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28334778/exploration-of-deep-eutectic-solvent-based-molecularly-imprinted-polymers-as-solid-phase-extraction-sorbents-for-screening-chloramphenicol-in-milk
#4
Weiyang Tang, Fan Gao, Yue Duan, Tao Zhu, Kyung Ho Row
Novel deep eutectic solvents modified molecularly imprinted polymers (DESs-MIPs) were synthesized using acrylamide as function monomer, alcohol-based DESs as auxiliary function monomer and chloramphenicol (CAP) as the template. The DESs modified materials were characterized by Fourier transform infrared and field emission scanning electron microscope. The adsorption results that the choline chloride/ethylene glycol DESs-based MIPs had stable interactions with CAP. So the choline chloride/ethylene glycol DESs-based MIPs were applied as sorbent of minimized pipette-tip solid-phase extraction (PT-SPE) for rapid screening CAP from milk sample...
February 27, 2017: Journal of Chromatographic Science
https://www.readbyqxmd.com/read/28334015/correction-perinatal-choline-supplementation-reduces-amyloidosis-and-increases-choline-acetyltransferase-expression-in-the-hippocampus-of-the-appsweps1de9-alzheimer-s-disease-model-mice
#5
Tiffany J Mellott, Olivia M Huleatt, Bethany N Shade, Sarah M Pender, Yi B Liu, Barbara E Slack, Jan K Blusztajn
[This corrects the article DOI: 10.1371/journal.pone.0170450.].
2017: PloS One
https://www.readbyqxmd.com/read/28333548/utility-of-pet-ct-after-cryoablation-for-early-identification-of-local-tumor-progression-in-osseous-metastatic-disease
#6
Ann T Packard, Stephen M Broski, Matthew R Callstrom, Thomas D Atwell, Grant D Schmit, John J Schmitz, Jonathan M Morris, Christopher H Hunt, A Nicholas Kurup
OBJECTIVE: The purpose of this study is to evaluate the utility of combined PET/CT for the detection of early local tumor progression after cryoablation of bone metastases. MATERIALS AND METHODS: A retrospective single-institution review revealed 61 consecutive patients with 80 separate bone metastases treated with cryoablation who were evaluated with a preablation PET/CT and at least two postablation PET/CT examinations between September 2007 and July 2015. Patients were excluded if they had local therapy or pathologic fracture after ablation...
March 23, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28333097/effects-of-a-sativex-like-combination-of-phytocannabinoids-on-disease-progression-in-r6-2-mice-an-experimental-model-of-huntington-s-disease
#7
Sara Valdeolivas, Onintza Sagredo, Mercedes Delgado, Miguel A Pozo, Javier Fernández-Ruiz
Several cannabinoids afforded neuroprotection in experimental models of Huntington's disease (HD). We investigated whether a 1:1 combination of botanical extracts enriched in either ∆⁸-tetrahydrocannabinol (∆⁸-THC) or cannabidiol (CBD), which are the main constituents of the cannabis-based medicine Sativex(®), is beneficial in R6/2 mice (a transgenic model of HD), as it was previously shown to have positive effects in neurotoxin-based models of HD. We recorded the progression of neurological deficits and the extent of striatal deterioration, using behavioral, in vivo imaging, and biochemical methods in R6/2 mice and their corresponding wild-type mice...
March 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28333020/-18-f-choline-positron-emission-tomography-computed-tomography-and-multiparametric-magnetic-resonance-imaging-for-the-detection-of-early-local-recurrence-of-prostate-cancer-initially-treated-by-radiation-therapy-comparison-with-systematic-3-dimensional-transperineal
#8
Salim Kanoun, Paul Walker, Jean-Marc Vrigneaud, Edouard Depardon, Vincent Barbier, Olivier Humbert, Morgan Moulin, Gilles Créhange, Luc Cormier, Romaric Loffroy, François Brunotte, Alexandre Cochet
PURPOSE: To compare the diagnostic performance of (18)F-fluorocholine positron emission tomography/computed tomography (FCH-PET/CT), multiparametric prostate magnetic resonance imaging (mpMRI), and a combination of both techniques for the detection of local recurrence of prostate cancer initially treated by radiation therapy. METHODS AND MATERIALS: This was a retrospective, single-institution study of 32 patients with suspected prostate cancer recurrence who underwent both FCH-PET/CT and 3T mpMRI within 3 months of one another for the detection of recurrence...
April 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28331947/-magnetic-resonance-spectroscopy-of-brain-tumors
#9
P Ditter, E Hattingen
BACKGROUND: Conventional magnetic resonance imaging (MRI) under consideration of clinical information enables the correct diagnosis and therapy for the majority of cerebral space-occupying lesions. Some important differential diagnoses, e. g. low vs. high-grade tumors, require additional MRI methods. OBJECTIVE: This article critically discusses the importance of magnetic resonance spectroscopy ((1)H-MRS) in brain tumors. MATERIAL AND METHODS: The concentration of normal and pathological brain metabolites can be non-invasively measured by (1)H-MRS...
March 22, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28330937/raft-based-sphingomyelin-interactions-revealed-by-new-fluorescent-sphingomyelin-analogs
#10
Masanao Kinoshita, Kenichi G N Suzuki, Nobuaki Matsumori, Misa Takada, Hikaru Ano, Kenichi Morigaki, Mitsuhiro Abe, Asami Makino, Toshihide Kobayashi, Koichiro M Hirosawa, Takahiro K Fujiwara, Akihiro Kusumi, Michio Murata
Sphingomyelin (SM) has been proposed to form cholesterol-dependent raft domains and sphingolipid domains in the plasma membrane (PM). How SM contributes to the formation and function of these domains remains unknown, primarily because of the scarcity of suitable fluorescent SM analogs. We developed new fluorescent SM analogs by conjugating a hydrophilic fluorophore to the SM choline headgroup without eliminating its positive charge, via a hydrophilic nonaethylene glycol linker. The new analogs behaved similarly to the native SM in terms of their partitioning behaviors in artificial liquid order-disorder phase-separated membranes and detergent-resistant PM preparations...
March 22, 2017: Journal of Cell Biology
https://www.readbyqxmd.com/read/28330596/role-of-18-f-choline-pet-ct-in-guiding-biopsy-in-patients-with-risen-psa-levels-and-previous-negative-biopsy-for-prostate-cancer
#11
G A Jiménez Londoño, A M García Vicente, M Amo-Salas, F Fúnez Mayorga, M A López Guerrero, M P Talavera Rubio, P Gutierrez Martin, B González García, J A de la Torre Pérez, Á M Soriano Castrejón
OBJECTIVES: To study (18)F-Choline PET/CT in the diagnosis and biopsy guide of prostate cancer (pCa) in patients with persistently high prostate-specific antigen (PSA) and previous negative prostate biopsy. To compare the clinical risk factors and metabolic variables as predictors of malignancy. METHODS: Patients with persistently elevated PSA in serum (total PSA >4ng/mL) and at least a previous negative or inconclusive biopsy were consecutively referred for a whole body (18)F-Choline PET/CT...
March 15, 2017: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/28330203/evaluation-of-several-ionic-liquids-for-in-situ-hydrolysis-of-empty-fruit-bunches-by-locally-produced-cellulase
#12
Amal Ahmed Elgharbawy, Md Zahangir Alam, Nassereldeen Ahmad Kabbashi, Muhammad Moniruzzaman, Parveen Jamal
Lignocellulosic biomasses, exhibit resistance to enzymatic hydrolysis due to the presence of lignin and hemicellulose. Ionic liquids proved their applicability in lignin degradation, however, ionic liquid removal has to be performed to proceed to hydrolysis. Therefore, this study reports an in situ hydrolysis of empty fruit bunches (EFB) that combined an ionic liquid (IL) pretreatment and enzymatic hydrolysis. For enzyme production, palm kernel cake (PKC) was used as the primary media for microbial cellulase (PKC-Cel) from Trichoderma reesei (RUTC30)...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28328321/ultrafast-and-predictive-mass-spectrometry-based-autotaxin-assays-for-label-free-potency-screening
#13
Tom Bretschneider, Andreas Harald Luippold, Helmut Romig, Daniel Bischoff, Klaus Klinder, Paul Nicklin, Wolfgang Rist
Autotaxin (ATX) is a promising drug target for the treatment of several diseases, such as cancer and fibrosis. ATX hydrolyzes lysophosphatidyl choline (LPC) into bioactive lysophosphatidic acid (LPA). The potency of ATX inhibitors can be readily determined by using fluorescence-based LPC derivatives. While such assays are ultra-high throughput, they are prone to false positives compared to assays based on natural LPC. Here we report the development of ultrafast mass spectrometry-based ATX assays enabling the measurement of data points within 13 s, which is 10 times faster than classic liquid chromatography-mass spectrometry...
April 2017: SLAS Discov
https://www.readbyqxmd.com/read/28327640/compatibility-study-of-danggui-buxue-tang-on-chemical-ingredients-angiogenesis-and-endothelial-function
#14
Ping-Lan Lin, Zhi-Cheng Li, Rui-Fang Xie, You-Hua Wang, Xin Zhou
Danggui Buxue Tang (DBT) is a classic Chinese herbal formula which consists of Astragali mongholici Radix and Angelica sinensis Radix (ASR). For chemical ingredients, HPLC were performed. Results showed compared with single herbs, DBT decoction could promote the dissolution of ingredients such as ferulic acid and calycosin. Furthermore, when ratio of AMR to ASR was 5 to 1, synthetic score was the best. For angiogenesis, normal and injured zebrafish model were applied. Results showed DBT and its ingredients had angiogenesis effects on Sub Intestinal vessels (SIVs) of normal zebrafish...
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28327577/metabolic-profiling-of-idh-mutation-and-malignant-progression-in-infiltrating-glioma
#15
Llewellyn E Jalbert, Adam Elkhaled, Joanna J Phillips, Evan Neill, Aurelia Williams, Jason C Crane, Marram P Olson, Annette M Molinaro, Mitchel S Berger, John Kurhanewicz, Sabrina M Ronen, Susan M Chang, Sarah J Nelson
Infiltrating low grade gliomas (LGGs) are heterogeneous in their behavior and the strategies used for clinical management are highly variable. A key factor in clinical decision-making is that patients with mutations in the isocitrate dehydrogenase 1 and 2 (IDH1/2) oncogenes are more likely to have a favorable outcome and be sensitive to treatment. Because of their relatively long overall median survival, more aggressive treatments are typically reserved for patients that have undergone malignant progression (MP) to an anaplastic glioma or secondary glioblastoma (GBM)...
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28326439/a-distinct-functional-distribution-of-%C3%AE-and-%C3%AE-motoneurons-in-the-rat-trigeminal-motor-nucleus
#16
Yukako Morita-Isogai, Hajime Sato, Mitsuru Saito, Eriko Kuramoto, Dong Xu Yin, Takeshi Kaneko, Takashi Yamashiro, Kenji Takada, Seog Bae Oh, Hiroki Toyoda, Youngnam Kang
Gamma-motoneurons (γMNs) play a crucial role in regulating isometric muscle contraction. The slow jaw-closing during mastication is one of the most functional isometric contractions, which is developed by the rank-order recruitment of alpha-motoneurons (αMNs) in a manner that reflects the size distribution of αMNs. In a mouse spinal motor nucleus, there are two populations of small and large MNs; the former was identified as a population of γMNs based on the positive expression of the transcription factor estrogen-related receptor 3 (Err3) and negative expression of the neuronal DNA-binding protein NeuN, and the latter as that of αMNs based on the opposite pattern of immunoreactivity...
March 22, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28325574/decoy-receptor-3-analogous-supplement-protects-steatotic-rat-liver-from-ischemia-reperfusion-injury
#17
Tzu-Hao Li, Chih-Wei Liu, Pei-Chang Lee, Chia-Chang Huang, Kuei-Chuan Lee, Yun-Cheng Hsieh, Ying-Ying Yang, Shie-Liang Hsieh, Han-Chieh Lin, Chang-Youh Tsai
BACKGROUND: For steatotic livers, pharmacological approaches to minimize the hepatic neutrophil and macrophage infiltration, and cytokine and chemokine release in ischemia-reperfusion (IR) injury are still limited. Tumor necrosis factor (TNF)-α superfamily-stimulated pathogenic cascades and M1 macrophage/Kupffer cells (KC) polarization from Th1 cytokines are important in the pathogenesis of IR liver injury with hepatic steatosis (HS). Conversely, anti-inflammatory M2 macrophages produce Th2 cytokine (interleukin-4), which reciprocally enhances M2 polarization...
March 16, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28324340/quantitative-18-f-fluorocholine-positron-emission-tomography-for-prostate-cancer-correlation-between-kinetic-parameters-and-gleason-scoring
#18
Joshua J D Schaefferkoetter, Ziting Wang, Mary C Stephenson, Sharmili Roy, Maurizio Conti, Lars Eriksson, David W Townsend, Thomas Thamboo, Edmund Chiong
BACKGROUND: The use of radiolabeled choline as a positron emission tomography (PET) agent for imaging primary tumors in the prostate has been evaluated extensively over the past two decades. There are, however, conflicting reports of its sensitivity and the relationship between choline PET imaging and disease staging is not fully understood. Moreover, relatively few studies have investigated the correlation between tracer uptake and histological tumor grade. This work quantified (18)F-fluorocholine in tumor and healthy prostate tissue using pharmacokinetic modeling and stratified uptake parameters by histology grade...
December 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28323124/cd44-is-a-key-player-in-non-alcoholic-steatohepatitis
#19
Stéphanie Patouraux, Déborah Rousseau, Stéphanie Bonnafous, Cynthia Lebeaupin, Carmelo Luci, Clémence M Canivet, Anne-Sophie Schneck, Adeline Bertola, Marie-Christine Saint-Paul, Antonio Iannelli, Jean Gugenheim, Rodolphe Anty, Albert Tran, Béatrice Bailly-Maitre, Philippe Gual
BACKGROUND: CD44 is expressed on many immune cells that contribute to inflammation. It has been shown, mainly through animal data, that CD44 regulates adipose tissue inflammation in obesity and hepatic leukocyte recruitment in a lithogenic context. However, its role in hepatic inflammation in a mouse model of steatohepatitis and its relevance in humans have not yet been investigated. METHODS: The role of CD44 was evaluated in CD44-/- mice and after injections of an αCD44 antibody in Wild-type mice challenged with a methionine- and choline-deficient diet (MCDD)...
March 16, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28322783/elevation-of-liver-endoplasmic-reticulum-stress-in-a-modified-choline-deficient-l-amino-acid-defined-diet-fed-non-alcoholic-steatohepatitis-mouse-model
#20
Yo Muraki, Yukimasa Makita, Midori Yamasaki, Yuichiro Amano, Takanori Matsuo
Endoplasmic reticulum (ER) stress caused by accumulation of misfolded proteins is observed in several kinds of diseases. Since ER stress is reported to be involved in the progression of non-alcoholic steatohepatitis (NASH), highly sensitive and simple measurement methods are required for research into developing novel therapy for NASH. To investigate the involvement of ER stress in NASH pathogenesis in a mouse model, an assay for liver ER stress was developed using ER stress activated indicator-luciferase (ERAI-Luc) mice...
March 17, 2017: Biochemical and Biophysical Research Communications
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