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https://www.readbyqxmd.com/read/29350336/brain-over-bladder-a-systematic-review-of-dual-cholinesterase-inhibitor-and-urinary-anticholinergic-use
#1
REVIEW
Laura K Triantafylidis, Jenna S Clemons, Emily P Peron, John Roefaro, Kristin M Zimmerman
BACKGROUND: Case reports have demonstrated that dual use of cholinesterase inhibitors (ChIs) and urinary anticholinergics (UAChs) in older adults may be associated with delusions, aggression, changes in cognition, and anxiety, which typically resolve on drug discontinuation. Despite opposing mechanisms of action, these drugs continue to be co-prescribed. OBJECTIVE: This systematic review evaluates cognitive and functional outcomes of dual use of ChIs and UAChs and describes its prevalence...
January 19, 2018: Drugs & Aging
https://www.readbyqxmd.com/read/29323757/differentiation-associated-urothelial-cytochrome-p450-oxidoreductase-predicates-the-xenobiotic-metabolising-activity-of-luminal-muscle-invasive-bladder-cancers
#2
Simon C Baker, Volker M Arlt, Radek Indra, Madeleine Joel, Marie Stiborova, Ian Eardley, Niaz Ahmad, Wolfgang Otto, Maximilian Burger, Peter Rubenwolf, David H Phillips, Jennifer Southgate
Extra-hepatic metabolism of xenobiotics by epithelial tissues has evolved as a self-defence mechanism but has potential to contribute to the local activation of carcinogens. Bladder epithelium (urothelium) is bathed in excreted urinary toxicants and pro-carcinogens. This study reveals how differentiation affects cytochrome P450 (CYP) activity and the role of NADPH:P450 oxidoreductase (POR). CYP1A1 and CYP1B1 transcripts were inducible in normal human urothelial (NHU) cells maintained in both undifferentiated and functional barrier-forming differentiated states in vitro...
January 11, 2018: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/29311237/evaluation-of-cpxra-as-a-therapeutic-target-for-uropathogenic-escherichia-coli-infections
#3
Lana Dbeibo, Julia J van Rensburg, Sara N Smith, Kate R Fortney, Dharanesh Gangaiah, Hongyu Gao, Juan Marzoa, Yunlong Liu, Harry L T Mobley, Stanley M Spinola
CpxRA is an envelope stress response system found in all species of Enterobacteriaceae; CpxA has kinase activity for CpxR and phosphatase activity for phospho-CpxR, a transcription factor. CpxR also accepts phosphate groups and acetyl phosphate, a glucose metabolite. Activation of CpxR increases transcription of genes encoding for membrane repair and downregulates virulence determinants. We hypothesized that activation of CpxR could serve as an antimicrobial/antivirulence strategy and discovered compounds that activate CpxR in Escherichia coli by inhibiting CpxA phosphatase activity...
January 8, 2018: Infection and Immunity
https://www.readbyqxmd.com/read/29279967/nk2-and-nk1-receptor-mediated-effects-of-nka-and-analogs-on-colon-bladder-and-arterial-pressure-in-anesthetized-dogs
#4
Nadia M J Rupniak, Mary Katofiasc, Lesley Marson, Karl B Thor
Tachykinin NK2 receptor (NK2R) agonists have potential to alleviate clinical conditions associated with bladder and gastrointestinal under activity. The effects of agonists with differing selectivity for NK2R over NK1Rs on colorectal, bladder, and cardiovascular function were examined in anesthetized dogs. Intravenous (IV) administration of NKA, LMN-NKA ([Lys5,MeLeu9,Nle10]-NKA(4-10)), and [β-Ala8]-NKA(4-10) caused a dose-related increase in colorectal pressure (up to 98 mmHg) that was blocked by pretreatment with the NK2R antagonist GR 159897 (1 mg/kg), and hypotension (decrease in mean arterial pressure of ~40 mmHg) that was blocked by the NK1R antagonist CP-99,994 (1 mg/kg)...
December 26, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/29222969/copper-ii-complexes-of-n3o-tripodal-ligands-appended-with-pyrene-and-polyamine-groups-anti-proliferative-and-nuclease-activities
#5
Doti Serre, Sule Erbek, Nathalie Berthet, Xavier Ronot, Véronique Martel-Frachet, Fabrice Thomas
A series of tripodal ligands based on the 2-tert-butyl-4-R-6-phenol was synthesized, where R=aldehyde (HL1), R=putrescine-pyrene (HL2) and R=putrescine (HL3). A dinucleating ligand wherein a putrescine group connects two tripodal moieties was also prepared (H2L4). The corresponding copper complexes (1, 2, 3, and 4, respectively) were prepared and characterized. We determined the phenol's pKas in the range 2.47-3.93. The DNA binding constants were determined at 6×106, 5.5×105 and 2.7×106 for 2, 3 and 4, respectively...
November 11, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/29212249/long-non-coding-rna-xist-promotes-cell-growth-and-metastasis-through-regulating-mir-139-5p-mediated-wnt-%C3%AE-catenin-signaling-pathway-in-bladder-cancer
#6
Yangyang Hu, Chao Deng, He Zhang, Jing Zhang, Bo Peng, Chuanyi Hu
Bladder cancer is one of the most common urological malignancy all over the world. Recently, long non-coding RNA (lncRNA) XIST has been identified as an oncogenic gene in several type of cancers. However, the expression level and functional role of XIST in bladder cancer remain largely unknown. In the present study, we found that XIST was significantly up-regulated in bladder cancer tissues and cell lines, and was correlated with poor prognosis of bladder cancer patients. Furthermore, XIST knockdown significantly inhibited bladder cancer cell growth and metastasis in vitro and tumor growth in vivo...
November 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/29203142/synthesis-and-evaluation-of-a-potent-well-balanced-ep2-ep3-dual-agonist
#7
Akihiro Kinoshita, Masato Higashino, Koji Yoshida, Yoshiyuki Aratani, Akito Kakuuchi, Keisuke Hanada, Hiroyuki Takeda, Atsushi Naganawa, Hidekazu Matsuya, Kazuyuki Ohmoto
A highly potent and well-balanced dual agonist for the EP2 and EP3 receptors is described. Optimization of the lead compound was accomplished in consideration of the relative agonist activity against each EP subtype receptor and the pharmacokinetic profile. As the result, 2-[(2-{(1R,2R)-2-[(1E,4S)-5-cyclopentyl-4-hydroxy-4-methyl-1-penten-1-yl]-5-oxocyclopentyl}eth-yl)thio]-1,3-thiazole-4-carboxylic acid (10) showed excellent potency (human EC50 EP2 = 1.1 nM, EP3 = 1.0 nM) with acceptable selectivity over the EP1 and EP4 subtypes (>2000-fold)...
November 24, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/29194847/clinical-evaluation-of-the-multifunctional-suprapubic-catheter-in-patients-requiring-permanent-suprapubic-cystostomy-a-prospective-randomized-trial-in-a-single-center
#8
Hai-Jing Dong, Yi Lu, Nian-Zhao Zhang, Wen-Hua Zhang, Shuai Wu, Hui Zhao, Chang-Cun Zhang, Si-Chuan Hou
AIMS AND OBJECTIVES: To assess the clinical effect of the multifunctional suprapubic catheter (MSC) on occurrence of cystospasm, catheter occlusion, the catheter-related urinary tract infection and remission of over-activity bladder, by comparing with the conventional suprapubic catheter (CSC) in patients with permanent suprapubic cystostomy. BACKGROUND: The conventional suprapubic catheter usually presents with high incidence of catheter-associated complications...
November 30, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/29194007/product-review-on-the-anti-pd-l1-antibody-atezolizumab
#9
Neil J Shah, William J Kelly, Stephen V Liu, Karin Choquette, Alexander Spira
Immunotherapy as a therapeutic strategy has seized the narrative throughout clinical oncology over the past few years. Once considered a niche treatment for rare cancers, immunotherapy has quickly emerged as the standard of care for many common cancer types. The remarkable rise is largely due to the development of novel checkpoint inhibitors, specifically, antibodies targeting PD-1 and PD-L1. Offering promising efficacy with a favorable toxicity profile, these agents have been approved for use in several malignancies and are under investigation for many more...
December 1, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29181722/evaluation-of-decoding-algorithms-for-estimating-bladder-pressure-from-dorsal-root-ganglia-neural-recordings
#10
Shani E Ross, Zhonghua Ouyang, Sai Rajagopalan, Tim M Bruns
A closed-loop device for bladder control may offer greater clinical benefit compared to current open-loop stimulation devices. Previous studies have demonstrated the feasibility of using single-unit recordings from sacral-level dorsal root ganglia (DRG) for decoding bladder pressure. Automatic online sorting, to differentiate single units, can be computationally heavy and unreliable, in contrast to simple multi-unit thresholded activity. In this study, the feasibility of using DRG multi-unit recordings to decode bladder pressure was examined...
November 27, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/29179751/prospective-phase-ii-study-evaluating-postoperative-radiotherapy-of-cervical-and-endometrial-cancer-patients-using-protons-the-aprove-trial
#11
N Arians, K Lindel, J Krisam, K Herfarth, D Krug, S Akbaba, J Oelmann-Avendano, J Debus
BACKGROUND: The prognosis for patients with cervical or endometrial cancer has improved over the last decades. Thus, reducing therapy-related toxicity and impact on quality of life have become more and more important. With the development of new radiotherapy techniques like IMRT (Intensity-modulated radiotherapy) the incidence of acute and chronic toxicities has already been reduced. Nevertheless, rates of complications requiring medical treatment range from 0.7-8% according to literature...
November 28, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/29179467/knockdown-of-long-non-coding-rna-taurine-up-regulated-1-inhibited-doxorubicin-resistance-of-bladder-urothelial-carcinoma-via-wnt-%C3%AE-catenin-pathway
#12
Dalong Xie, Hui Zhang, Xuanhao Hu, Chao Shang
In genitourinary system, bladder cancer (BC) is the most common and lethal malignant tumor, which most common type is bladder urothelial carcinoma (BUC). Long non-coding RNA (lncRNA) Taurine Up-Regulated 1 (TUG1) gene is high-expressed in several malignant tumors, including BC. In this study, over-expression of TUG1 was found in BUC tissues and cell line resistant to doxorubicin (Dox). Knockdown of TUG1 inhibited the Dox resistance and promoted the cytotoxicity induced by Dox in T24/Dox cells. TUG1 knockdown also depressed the Wnt/β-catenin pathway, and the activation the Wnt/β-catenin pathway partly reversed the inhibitory effects of TUG1 knockdown on Dox resistance in T24/Dox cells...
October 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/29158832/clinical-translation-and-first-in-human-use-of-44sc-sc-psma-617-for-pet-imaging-of-metastasized-castrate-resistant-prostate-cancer
#13
Elisabeth Eppard, Ana de la Fuente, Martina Benešová, Ambreen Khawar, Ralph A Bundschuh, Florian C Gärtner, Barbara Kreppel, Klaus Kopka, Markus Essler, Frank Rösch
BACKGROUND: Various trivalent radiometals are well suited for labeling of DOTA-conjugated variants of Glu-ureido-based prostate-specific membrane antigen (PSMA) inhibitors. The DOTA-conjugate PSMA-617 has proven high potential in PSMA radioligand therapy (PSMA-RLT) of prostate cancer as well as PET imaging when labeled with lutetium-177 and gallium-68 respectively. Considering the relatively short physical half-life of gallium-68 this positron emitter precludes prolonged acquisition periods, as required for pre-therapeutic dosimetry or intraoperative applications...
2017: Theranostics
https://www.readbyqxmd.com/read/29136747/-association-between-biomarkers-and-activities-of-daily-living-in-the-elderly-%C3%A2-65-years-old-from-longevity-areas-in-china
#14
J S Luo, Y B Lyu, Z X Yin, W H Shi, J Zhang, L Q Su, J L Fang, X M Shi
Objective: To explore the association between biomarkers and activities of daily living (ADL) in the elderly over 65 years old from longevity areas in China. Methods: A total of 2 439 people from 8 longevity areas were included in our baseline survey in 2012. Using questionnaires, body measurements, and blood biochemical examinations, information on demographics characteristic, life style, ADL, blood pressure and biomarkers were collected. Based on these six items of ADL (bathing, dressing, indoor activities, toileting, eating, bowel and bladder control), we constructed a dichotomous indicator for ADL...
November 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/29124565/glycosaminoglycans-from-fish-swim-bladder-isolation-structural-characterization-and-bioactive-potential
#15
Yongxi Pan, Peipei Wang, Fuming Zhang, Yanlei Yu, Xing Zhang, Lei Lin, Robert J Linhardt
The swim bladder of fish is an internal gas-filled organ that allows fish to control their buoyancy and swimming depth. Fish maws (the dried swim bladders of fish) have been used over many centuries as traditional medicines, tonics and a luxurious gourmet food in China and Southeast Asia. Little is known about the structural information of polysaccharides comprising this important functional material of fish tissue. In the present study, the total glycosaminoglycan (GAG) from fish maw was characterized. Two GAGs were identified, chondroitin sulfate (CS, having a molecular weight of 18-40 kDa) and heparan sulfate (HS), corresponding to 95% and 5% of the total GAG, respectively...
November 10, 2017: Glycoconjugate Journal
https://www.readbyqxmd.com/read/29124054/a-method-for-the-analysis-of-ap-foot-convexity-insights-into-smooth-muscle-biophysics
#16
Shailesh Appukuttan, Mithun Padmakumar, Keith L Brain, Rohit Manchanda
Action potential (AP) profiles vary based on the cell type, with cells of the same type typically producing APs with similar shapes. But in certain syncytial tissues, such as the smooth muscle of the urinary bladder wall, even a single cell is known to exhibit APs with diverse profiles. The origin of this diversity is not currently understood, but is often attributed to factors such as syncytial interactions and the spatial distribution of parasympathetic nerve terminals. Thus, the profile of an action potential is determined by the inherent properties of the cell and influenced by its biophysical environment...
2017: Frontiers in Bioengineering and Biotechnology
https://www.readbyqxmd.com/read/29117181/pancreatic-uptake-and-radiation-dosimetry-of-6-18f-fluoro-l-dopa-from-pet-imaging-studies-in-infants-with-congenital-hyperinsulinism
#17
Pradeep K Garg, Stephen J Lokitz, Lisa Truong, Burton Putegnat, Courtney Reynolds, Larry Rodriguez, Rachid Nazih, Jonathan Nedrelow, Miguel de la Guardia, John K Uffman, Sudha Garg, Paul S Thornton
METHODS: After injecting 25.6 ± 8.8 MBq (0.7 ± 0.2 mCi) of 18F-Fluoro-L-DOPA intravenously, three static PET scans were acquired at 20, 30, and 40 min post injection in 3-D mode on 10 patients (6 male, 4 female) with congenital hyperinsulinism. Regions of interest (ROIs) were drawn over several organs visible in the reconstructed PET/CT images and time activity curves (TACs) were generated. Residence times were calculated using the TAC data. The radiation absorbed dose for the whole body was calculated by entering the residence times in the OLINDA/EXM 1...
2017: PloS One
https://www.readbyqxmd.com/read/29113548/cognitive-functions-and-health-related-quality-of-life-in-men-with-benign-prostatic-hyperplasia-and-symptoms-of-overactive-bladder-when-treated-with-a-combination-of-tamsulosin-and-solifenacin-in-a-higher-dosage
#18
Kirill Kosilov, Irina Kuzina, Vladimir Kuznetsov, Yuliya Gainullina, Liliya Kosilova, Alexandra Prokofyeva, Sergey Loparev
AIM: To study the cognitive functions and health-related quality of life (HRQoL) in individuals taking a combination of tamsulosin and solifenacin in a higher dosage. METHODS: All patients (n = 262) were assigned to group A (N = 93, tamsulosin 0.4 mg + solifenacin 10 mg per day), group B (N = 83, tamsulosin 0.4 mg + solifenacin 20 mg), and control group C (N = 86; tamsulosin 0.4 mg + placebo). The lower urinary tract (LUT) condition was assessed on the scales International Prostate Symptom Score, Over Active Bladder Awareness Tool and uroflowmetry...
November 7, 2017: Aging Male: the Official Journal of the International Society for the Study of the Aging Male
https://www.readbyqxmd.com/read/29111098/development-of-pre-activated-%C3%AE-cyclodextrin-as-a-mucoadhesive-excipient-for-intra-vesical-drug-delivery
#19
Muhammad Ijaz, Maximilian Prantl, Noemi Lupo, Flavia Laffleur, Mulazim Hussain, Barbara Matuszczak, Andreas Bernkop-Schnürch
The study was designed to synthesize and characterize pre-activated α-cyclodextrin (α-CD) derivatives as mucus adhering excipients for intra-vesical drug delivery. Sodium periodate (NaIO4) was used to oxidize α-CD and subsequently cysteamine was covalently attached to carbonyl groups of oxidized α-CD via reductive amination to produce thiolated α-CD. L-cysteine-2-mercaptonicotinic acid conjugate (Cys-MNA) was covalently attached to carbonyl groups of oxidized α-CD to produce pre-activated α-CD having enhance stability against oxidation at higher pH...
October 27, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29080017/safety-pharmacokinetics-metabolism-and-radiation-dosimetry-of-18-f-tetrafluoroborate-18-f-tfb-in-healthy-human-subjects
#20
Huailei Jiang, Nicholas R Schmit, Alex R Koenen, Aditya Bansal, Mukesh K Pandey, Robert B Glynn, Bradley J Kemp, Kera L Delaney, Angela Dispenzieri, Jamie N Bakkum-Gamez, Kah-Whye Peng, Stephen J Russell, Tina M Gunderson, Val J Lowe, Timothy R DeGrado
BACKGROUND: (18)F-Tetrafluoroborate ((18)F-TFB) is a promising iodide analog for PET imaging of thyroid cancer and sodium/iodide symporter (NIS) reporter activity in viral therapy applications. The aim of this study was to evaluate the safety, pharmacokinetics, biodistribution, and radiation dosimetry of high-specific activity (18)F-TFB in healthy human subjects. METHODS: (18)F-TFB was synthesized with specific activity of 3.2 ± 1.3 GBq/μmol (at the end of synthesis)...
October 27, 2017: EJNMMI Research
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