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https://www.readbyqxmd.com/read/29351631/atypical-radiological-presentation-of-pulmonary-invasion-of-diffuse-large-b-cell-lymphoma-mimicking-pneumocystis-jiroveci-pneumonia
#1
Ryoko Inaba Higashiyama, Shinichi Makita, Akiko Miyagi Maeshima, Dai Maruyama
No abstract text is available yet for this article.
January 17, 2018: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29351623/development-of-sugar-chain-binding-single-chain-variable-fragment-antibody-to-adult-t-cell-leukemia-cells-using-glyco-nanotechnology-and-phage-display-method
#2
Kaname Muchima, Taro Todaka, Hiroyuki Shinchi, Ayaka Sato, Arisa Tazoe, Rikiya Aramaki, Yuhei Kakitsubata, Risa Yokoyama, Naomichi Arima, Masanori Baba, Masahiro Wakao, Yuji Ito, Yasuo Suda
Adult T-cell leukemia (ATL) is an intractable blood cancer caused by the infection of human T-cell leukemia virus type-1, and effective medical treatment is required. It is known that the structure and expression levels of cell surface sugar chains vary depending on cell states such as inflammation and cancer. Thus, it is expected that the antibody specific for ATL cell surface sugar chain would be an effective diagnostic tool and a strong candidate for the development of an anti-ATL drug. Here, we developed a stable sugar chain binding single chain variable fragment antibody (scFv) that can bind to ATL cells using a fiber type Sugar Chip and phage display method...
January 17, 2018: Journal of Biochemistry
https://www.readbyqxmd.com/read/29351612/a-mutational-signature-associated-with-alcohol-consumption-and-prognostically-significantly-mutated-driver-genes-in-esophageal-squamous-cell-carcinoma
#3
X C Li, M Y Wang, M Yang, H J Dai, B F Zhang, W Wang, X L Chu, X Wang, H Zheng, R F Niu, W Zhang, K X Chen
Background: Esophageal squamous cell carcinoma (ESCC) is often diagnosed at an advanced and incurable stage. Information on driver genes and prognosticators in ESCC remains incomplete. The objective was to elucidate significantly mutated genes (SMGs), mutational signatures, and prognosticators in ESCC. Patients and Methods: Three MutSig algorithms (i.e. MutSigCV, MutSigCL and MutSigFN) and "20/20+" ratio-metric were employed to identify SMGs. Nonnegative matrix factorization was used to decipher mutational signatures...
January 16, 2018: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29351497/screen-targeting-lung-and-prostate-cancer-oncogene-identifies-novel-inhibitors-of-rgs17-and-problematic-chemical-substructures
#4
Christopher R Bodle, Josephine H Schamp, Joseph B O'Brien, Michael P Hayes, Meng Wu, Jonathan A Doorn, David L Roman
Regulator of G protein signaling (RGS) proteins temporally regulate heterotrimeric G protein signaling cascades elicited by G protein-coupled receptor activation and thus are essential for cell homeostasis. The dysregulation of RGS protein expression has been linked to several pathologies, spurring discovery efforts to identify small-molecule inhibitors of these proteins. Presented here are the results of a high-throughput screening (HTS) campaign targeting RGS17, an RGS protein reported to be inappropriately upregulated in several cancers...
January 1, 2018: SLAS Discovery
https://www.readbyqxmd.com/read/29351486/different-physiological-roles-of-insulin-receptors-in-mediating-nutrient-metabolism-in-zebrafish
#5
Bin-Yuan Yang, Gang Zhai, Yu-Long Gong, Jing-Zhi Su, Xu-Yan Peng, Guo-Hui Shang, Dong Han, Jun-Yan Jin, Hao-Kun Liu, Zhen-Yu Du, Zhan Yin, Shou-Qi Xie
Insulin, the most potent anabolic hormone, is critical for somatic growth and metabolism in vertebrates. Type 2 diabetes, which is the primary cause of hyperglycemia, results from an inability of insulin to signal glycolysis and gluconeogenesis. Our previous study showed that double knockout of insulin receptor a (insra) and b (insrb) caused β-cell hyperplasia and lethality from 5 dpf to 16 dpf. In this study, we characterized the physiological roles of Insra and Insrb, in somatic growth and fueling metabolism, respectively...
December 19, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29351414/the-murine-choroid-plexus-epithelium-expresses-the-2cl-h-exchanger-clc-7-and-na-h-exchanger-nhe6-in-the-luminal-membrane-domain
#6
Helle H Damkier, Henriette L Christensen, Inga B Christensen, Qi Wu, Robert A Fenton, Jeppe Praetorius
The choroid plexus epithelium within the brain ventricles secretes the majority of the cerebrospinal fluid (CSF). The luminal Na+,K+-ATPase acts in concert with a host of other transport proteins to mediate efficient fluid secretion across the epithelium. The CSF contains little protein buffer, but the pH value seems nonetheless maintained within narrow limits, even when faced with acid/base challenges. The involvement of choroid plexus acid/base transporters in CSF pH regulation is highlighted by the expression of several acid/base transporters in the epithelium...
December 20, 2017: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/29351389/proliferation-of-hepatic-stellate-cells-mediated-by-yap-and-taz-contributes-to-liver-repair-and-regeneration-after-liver-ischemia-reperfusion-injury
#7
Takanori Konishi, Rebecca M Schuster, Alex B Lentsch
Yes-associated protein (YAP) and transcriptional co-activator with PDZ-binding motif (TAZ) are key regulators of cell proliferation and organ size, however, their physiological contribution after liver injury has not been fully understood. In this study, we sought to determine the role of YAP and TAZ during liver recovery after ischemia-reperfusion (I/R). A murine model of partial (70%) I/R was used to induce liver injury and study the reparative and regenerative response. After liver injury, there was marked activation and proliferation of hepatic stellate cells...
January 11, 2018: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/29351372/a-preclinical-population-pharmacokinetic-model-for-anti-cd20-cd3-t-cell-dependent-bispecific-antibodies
#8
Gregory Z Ferl, Arthur Reyes, Liping L Sun, Melissa Cheu, Amy Oldendorp, Saroja Ramanujan, Eric G Stefanich
CD20 is a cell-surface receptor expressed by healthy and neoplastic B cells and is a well-established target for biologics used to treat B-cell malignancies. Pharmacokinetic (PK) and pharmacodynamic (PD) data for the anti-CD20/CD3 T-cell-dependent bispecific antibody BTCT4465A were collected in transgenic mouse and nonhuman primate (NHP) studies. Pronounced nonlinearity in drug elimination was observed in the murine studies, and time-varying, nonlinear PK was observed in NHPs, where three empirical drug elimination terms were identified using a mixed-effects modeling approach: i) a constant nonsaturable linear clearance term (7 mL/day/kg); ii) a rapidly decaying time-varying, linear clearance term (t½  = 1...
January 19, 2018: Clinical and Translational Science
https://www.readbyqxmd.com/read/29351358/microfluidics-based-subretinal-chemical-neuromodulation-of-photoreceptor-degenerated-retinas
#9
Corey M Rountree, John B Troy, Laxman Saggere
Purpose: Retinal prostheses can restore rudimentary vision in cases of photoreceptor degeneration through electrical stimulation, but face difficulties achieving high spatial resolution because electrical current is an inherently unnatural stimulus. We investigated the therapeutic feasibility of using patterned delivery of the glutamate neurotransmitter, a primary agent of natural synaptic communication of the retina, as a biomimetic chemical alternative to electrical current for neuromodulation of photoreceptor degenerate retina...
January 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29351334/endothelin-1-is-associated-with-fibrosis-in-proliferative-diabetic-retinopathy-membranes
#10
William Chang, Michelle Lajko, Amani A Fawzi
PURPOSE: To characterize the relationship between endothelin-1 and fibrosis in epiretinal membranes in proliferative diabetic retinopathy and explore the role of endothelial-mesenchymal transition in these membranes. METHODS: Membranes were obtained from eyes undergoing pars plana vitrectomy for complicated proliferative diabetic retinopathy or idiopathic epiretinal membrane. Through standard immunohistochemical techniques, we labeled membranes to explore the distribution of endothelin-1 and endothelin receptor B, comparing proliferative diabetic retinopathy and idiopathic epiretinal membranes...
2018: PloS One
https://www.readbyqxmd.com/read/29351317/hafts-are-novel-lncrna-transcripts-from-aflatoxin-exposure
#11
B Alex Merrick, Justin S Chang, Dhiral P Phadke, Meredith A Bostrom, Ruchir R Shah, Xinguo Wang, Oksana Gordon, Garron M Wright
The transcriptome can reveal insights into precancer biology. We recently conducted RNA-Seq analysis on liver RNA from male rats exposed to the carcinogen, aflatoxin B1 (AFB1), for 90 days prior to liver tumor onset. Among >1,000 differentially expressed transcripts, several novel, unannotated Cufflinks-assembled transcripts, or HAfTs (Hepatic Aflatoxin Transcripts) were found. We hypothesized PCR-cloning and RACE (rapid amplification of cDNA ends) could further HAfT identification. Sanger data was obtained for 6 transcripts by PCR and 16 transcripts by 5'- and 3'-RACE...
2018: PloS One
https://www.readbyqxmd.com/read/29351272/current-applications-of-multiparameter-flow-cytometry-in-plasma-cell-disorders
#12
T Jelinek, R Bezdekova, M Zatopkova, L Burgos, M Simicek, T Sevcikova, B Paiva, R Hajek
This corrects the article DOI: 10.1038/bcj.2017.90.
January 19, 2018: Blood Cancer Journal
https://www.readbyqxmd.com/read/29351263/twenty-nine-new-limonoids-with-skeletal-diversity-from-the-mangrove-plant-xylocarpus-moluccensis
#13
Jianzhi Zhang, Wanshan Li, Yiguo Dai, Li Shen, Jun Wu
Twenty-nine new limonoids-named xylomolins A₁-A₇, B₁-B₂, C₁-C₂, D-F, G₁-G₅, H-I, J₁-J₂, K₁-K₂, L₁-L₂, and M-N, were isolated from the seeds of the mangrove plant, Xylocarpus moluccensis. Compounds 1-13 are mexicanolides with one double bond or two conjugated double bonds, while 14 belongs to a small group of mexicanolides with an oxygen bridge between C1 and C8. Compounds 15-19 are khayanolides containing a Δ8,14 double bond, whereas 20 and 21 are rare khayanolides containing a Δ14,15 double bond and Δ8,9, Δ14,15 conjugated double bonds, respectively...
January 19, 2018: Marine Drugs
https://www.readbyqxmd.com/read/29351247/b-type-and-complex-a-b-type-epicatechin-trimers-isolated-from-litchi-pericarp-aqueous-extract-show-high-antioxidant-and-anticancer-activity
#14
Yihui Gong, Fang Fang, Xin Zhang, Bin Liu, Honghui Luo, Zhen Li, Xuelian Zhang, Zhaoqi Zhang, Xuequn Pang
Litchi (Litchi chinensis Sonn.) fruit is known for its rich source of phenolics. Litchi pericarp contains high levels of epicatechin that may form oligomers of various lengths. Except for several A or B type epicatechin dimers, other soluble oligomers have rarely been identified in the pericarp. Here, bioassay-guided column fractionation was applied to isolate bioactive phenolics from aqueous pericarp extract. A fraction (S3) was obtained by two rounds of Sephadex LH-20 column chromatography, and showed higher antioxidant activity and inhibition on the proliferation of human lung cancer cells (A549) than Litchi anthocyanins...
January 19, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29351227/differential-association-of-cx37-and-cx40-genetic-variants-in-atrial-fibrillation-with-and-without-underlying-structural-heart-disease
#15
Sebastian Carballo, Anna Pfenniger, David Carballo, Nicolas Garin, Richard W James, François Mach, Dipen Shah, Brenda R Kwak
Atrial fibrillation (AF) appears in the presence or absence of structural heart disease. The majority of foci causing AF are located near the ostia of pulmonary veins (PVs), where cardiomyocytes and vascular smooth muscle cells interdigitate. Connexins (Cx) form gap junction channels and participate in action potential propagation. Genetic variants in genes encoding Cx40 and Cx37 affect their expression or function and may contribute to PV arrhythmogenicity. DNA was obtained from 196 patients with drug-resistant, symptomatic AF with and without structural heart disease, who were referred for percutaneous catheter ablation...
January 19, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29351198/superoxide-dismutase-mimetic-gc4419-enhances-the-oxidation-of-pharmacological-ascorbate-and-its-anticancer-effects-in-an-h%C3%A2-o%C3%A2-dependent-manner
#16
Collin D Heer, Andrew B Davis, David B Riffe, Brett A Wagner, Kelly C Falls, Bryan G Allen, Garry R Buettner, Robert A Beardsley, Dennis P Riley, Douglas R Spitz
Lung cancer, together with head and neck cancer, accounts for more than one-fourth of cancer deaths worldwide. New, non-toxic therapeutic approaches are needed. High-dose IV vitamin C (aka, pharmacological ascorbate; P-AscH-) represents a promising adjuvant to radiochemotherapy that exerts its anti-cancer effects via metal-catalyzed oxidation to form H₂O₂. Mn(III)-porphyrins possessing superoxide dismutase (SOD) mimetic activity have been shown to increase the rate of oxidation of AscH-, enhancing the anti-tumor effects of AscH- in several cancer types...
January 19, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29351194/involvement-of-bax-and-bcl-2-in-induction-of-apoptosis-by-essential-oils-of-three-lebanese-salvia-species-in-human-prostate-cancer-cells
#17
Alessandra Russo, Venera Cardile, Adriana C E Graziano, Rosanna Avola, Maurizio Bruno, Daniela Rigano
Prostate cancer is one of the most common forms of cancer in men, and research to find more effective and less toxic drugs has become necessary. In the frame of our ongoing program on traditionally used Salvia species from the Mediterranean Area, here we report the biological activities of Salvia aurea, S. judaica and S. viscosa essential oils against human prostate cancer cells (DU-145). The cell viability was measured by 3(4,5-dimethyl-thiazol-2-yl)2,5-diphenyl-tetrazolium bromide (MTT) test and lactate dehydrogenase (LDH) release was used to quantify necrosis cell death...
January 19, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29351100/sudden-unexpected-death-from-unusually-large-primary-cardiac-b-cell-lymphoma
#18
Julius Tikka, Samuli Vaittinen, Lasse Pakanen, Philippe Lunetta
Primary cardiac lymphomas represent approximately 1% to 2% of primary cardiac neoplasms and 5% of malignant cardiac neoplasms. Here we present a case of sudden unexpected death of a middle-aged male resulting from an unusually large cardiac B-cell lymphoma. The neoplasm infiltrated the myocardium of the right atrium and ventricle and, to a lesser extent, the wall of the left atrium and pulmonary trunk. Extensive infiltration of the heart by the primary cardiac lymphoma, combined with the complete lack of symptoms, makes this case unusual...
January 18, 2018: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/29351083/transcriptional-analysis-of-immune-relevant-genes-in-the-mucus-of-labeo-rohita-experimentally-infected-with-argulus-siamensis
#19
Sonali Parida, Amruta Mohapatra, Banya Kar, Jyotirmaya Mohanty, Pramoda Kumar Sahoo
The knowledge of mucosa-associated molecular events that occur during infections is scarce despite the well-established importance of mucus in fish immunity. Using qRT-PCR, we analyzed the immune gene expression patterns in mucus of Labeo rohita experimentally infected with an ectoparasite Argulus siamensis. Mucus samples were collected at 0 h, 12 h, 24 h, 3 d, 7 d, 15 d, and 30 d post challenge of L. rohita with metanauplii of A. siamensis. All interleukins studied herein (IL 6, IL 15, and IL 1β) showed significant upregulation of expression levels in mucus of A...
March 26, 2018: Acta Parasitologica
https://www.readbyqxmd.com/read/29350902/hierarchically-self-assembled-supramolecular-host-guest-delivery-system-for-delivery-of-chemotherapeutics-to-drug-resistant-cancer-tumours
#20
Hongwei Cheng, Xiaoshan Fan, Xiaoyuan Wang, Enyi Ye, Xian Jun Loh, Zibiao Li, Yun-Long Wu
In this report, a new star-like copolymer -CD-g-(PNIPAAm-b-POEGA)x consisting of a -CD core, grafted with temperature-responsive poly(N-isopropylacrylamide) (PNIPAAm) and biocompatible poly(oligo(ethylene glycol) acrylate) (POEGA) in a block copolymer of the arms, was used to deliver chemotherapeutics to drug resistant cancer tumours. The first step of the self-assembly process involves the encapsulation of chemotherapeutics through host-guest inclusion complexation between the -cyclodextrin cavity and the anti-cancer drug...
January 19, 2018: Biomacromolecules
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