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https://www.readbyqxmd.com/read/30314342/aminobenzosuberone-scaffold-as-a-modular-chemical-tool-for-the-inhibition-of-therapeutically-relevant-m1-aminopeptidases
#1
Emmanuel Salomon, Marjorie Schmitt, Anil Kumar Marapaka, Athanasios Stamogiannos, Germain Revelant, Céline Schmitt, Sarah Alavi, Isabelle Florent, Anthony Addlagatta, Efstratios Stratikos, Céline Tarnus, Sébastien Albrecht
The synthesis of racemic substituted 7-amino-5,7,8,9-tetrahydrobenzocyclohepten-6-one hydrochlorides was optimized to enhance reproducibility and increase the overall yield. In order to investigate their specificity, series of enzyme inhibition assays were carried out against a diversity of proteases, covering representative members of aspartic, cysteine, metallo and serine endopeptidases and including eight members of the monometallic M1 family of aminopeptidases as well as two members of the bimetallic M17 and M28 aminopeptidase families...
October 11, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/30302378/a-comparative-review-of-use-of-sulphate-and-phosphate-salts-for-colonoscopy-preparations-and-their-potential-for-nephrotoxicity
#2
REVIEW
Bruno Moulin, Thierry Ponchon
Background and study aims  Colonoscopy is a widely used diagnostic procedure which requires prior cleansing of the bowel. Many different bowel cleansing preparations have been developed, all of which have specific advantages and disadvantages. This review compares two low-volume high-osmolarity bowel cleansing preparations, oral phosphate salts and oral sulphate salts, with a particular focus on risk of nephrotoxicity. Patients and methods  An electronic search of the Medline database was performed using the search terms "(phosphates OR sulfates) AND cathartics [MeSH Term] AND kidney" restricted to humans with a cut-off date of December 31, 2016...
October 2018: Endoscopy International Open
https://www.readbyqxmd.com/read/30280797/correlation-between-adiponectin-polymorphism-and-atherosclerotic-plaque-compositions-under-intravascular-ultrasound-ivus
#3
X-S Qian, J-X Song, M-H Zhu
OBJECTIVE: To discuss the correlation between polymorphism of rs266729 (-11377C/G, Cytosine/Guanine) (adiponectin promoter) site and atherosclerotic plaque compositions as well as related indicators under intravascular ultrasound (IVUS). PATIENTS AND METHODS: 76 patients with coronary heart disease from December 2014 to December 2016 were enrolled. The PCR-RFLP method was used to analyze the adiponectin gene polymorphism in rs266729 site. All the objects were divided into CC type group (n=26), CG type group (n=23), and GG type group (n=27) according to the results of polymorphism...
September 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/30270995/efficacy-and-cost-comparison-of-ertapenem-as-outpatient-parenteral-antimicrobial-therapy-in-acute-pyelonephritis-due-to-extended-spectrum-beta-lactamase-producing-enterobacteriaceae
#4
V Ramasubramanian, P Murlidharan, S Nambi, S Pavithra, S Puthran, T Petigara
Outpatient parenteral antimicrobial therapy (OPAT) programs are becoming an increasingly popular trend in clinical practice as they offer several benefits to both patients and health-care setups. While OPAT is an established clinical practice in the Western world, the concept itself is alien to patients in India as they prefer the security of hospitals to receive antibiotics over OPAT. We evaluated the clinical response and cost comparison of ertapenem under OPAT versus inpatient settings in patients with extended-spectrum beta-lactamase (ESBL)-positive acute pyelonephritis (APN) given the increasing importance of optimizing both hospital beds and overall cost of patient care in India...
September 2018: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/30224907/clinical-usefulness-of-unenhanced-computed-tomography-in-patients-with-acute-pyelonephritis
#5
Anna Lee, Hyo-Cheol Kim, Sung Il Hwang, Ho Jun Chin, Ki Young Na, Dong-Wan Chae, Sejoong Kim
Background: Unenhanced computed tomography (UCT) may be useful for evaluating acute pyelonephritis; however, no study has compared UCT with enhanced computed tomography (ECT) as a diagnostic tool. We evaluated a clinical usefulness of UCT versus ECT in acute pyelonephritis (APN). Methods: We reviewed the clinical and radiological data from 183 APN-suspected patients who underwent UCT and ECT simultaneously at emergency room (ER) over a two-year period. Demographic, clinical parameters and computed tomography (CT) parameters of 149 patients were compared...
September 17, 2018: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/30186875/enhancement-of-adiponectin-ameliorates-nonalcoholic-fatty-liver-disease-via-inhibition-of-foxo1-in-type-i-diabetic-rats
#6
Xiang Xie, Dan Yan, Haobo Li, Qiqi Zhu, Jun Li, Yong-Ping Fang, Chi Wai Cheung, Michael G Irwin, Zhengyuan Xia, Qingquan Lian
Nonalcoholic fatty liver disease (NAFLD) is a common liver disease which has been previously shown to be associated with type 2 diabetes mellitus (T2DM). Recent research has indicated that type 1 diabetes mellitus (T1DM) is also involved in the development of nonalcoholic fatty liver disease, whereas the underlying mechanisms are largely unknown. Forkhead box O1 (FoxO1) and adiponectin (APN) have been proposed to play an important role in the processes in NAFLD in T1DM. We herein investigated the effects of FoxO1 and APN on the development of NAFLD and the underlying mechanism in streptozotocin-induced T1DM...
2018: Journal of Diabetes Research
https://www.readbyqxmd.com/read/30182391/phosphate-nephropathy-an-avoidable-complication-of-bowel-preparation-for-colonoscopy
#7
Matthew R P Davies, David Williams, Olga D Niewiadomski
It is known that oral sodium phosphate, used as bowel preparation for colonoscopy, can cause acute phosphate nephropathy, a potentially severe and irreversible form of acute kidney injury. Due to these safety concerns, guidelines have advised against the routine use of this agent for a decade. We present a case report and biopsy series that demonstrate that oral sodium phosphate is still being used and that cases of APN are still occurring, in Australia.
September 2018: Internal Medicine Journal
https://www.readbyqxmd.com/read/30180501/genetic-testing-in-amyotrophic-lateral-sclerosis
#8
Ola Nakken, Lillian Sørum, Trygve Holmøy
BAKGRUNN: I 70 % av tilfellene med familiær amyotrofisk lateral sklerose (ALS) og 10 % av de med sporadisk form kan genetisk utredning gi en diagnose stilt på molekylært nivå. Molekylært stilt diagnose kan åpne for deltagelse i kliniske studier, men endrer ellers ikke behandlingen. Betydningen for slektningers sykdomsrisiko kan være usikker, og den psykologiske belastningen stor. Utredningen reiser vanskelige etiske spørsmål. Vi har undersøkt om klinisk praksis samsvarer med internasjonale anbefalinger, som fraråder genetisk utredning ved typisk sporadisk variant...
September 4, 2018: Tidsskrift for Den Norske Lægeforening: Tidsskrift for Praktisk Medicin, Ny Række
https://www.readbyqxmd.com/read/30174285/comparison-between-non-septic-and-septic-cases-in-stone-related-obstructive-acute-pyelonephritis-and-risk-factors-for-septic-shock-a-multi-center-retrospective-study
#9
Fukashi Yamamichi, Katsumi Shigemura, Koichi Kitagawa, Masato Fujisawa
PURPOSE: This study assessed risk factors for septic shock in patients with obstructive acute pyelonephritis (APN) associated with upper urinary tract calculi in a multi-center retrospective study. METHODS: We studied 143 patients admitted to 4 hospitals in Japan with obstructive APN associated with upper urinary tract calculi. Data on gender, age, hypertension, diabetes, neurological disease or malignant disease, laboratory data (white blood cell (WBC) and C-reactive protein (CRP)), drainage, and bacterial strains including Escherichia coli in the non-septic and septic groups were collected...
August 30, 2018: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/30144414/anti-angiogenic-effect-of-adiponectin-in-human-primary-microvascular-and-macrovascular-endothelial-cells
#10
Karthikka Palanisamy, Ragavachetty Nagaraj Nareshkumar, Suganya Sivagurunathan, Rajiv Raman, Konerirajapuram Natarajan Sulochana, Subbulakshmi Chidambaram
Neovascularization in retina and choroid involves interplay of many cytokines and growth factors. Vascular endothelial growth factor (VEGF) being a pro-angiogenic molecule has been found to be high in aqueous and vitreous humour of patients with proliferative diabetic retinopathy (PDR). VEGF is also found in the fibroblast and retinal pigment epithelial cells (RPE) of choroidal neovascular (CNV) membranes isolated from patients. Though anti-VEGF agents cause regression of clinically visible new vessels, there is evidence that they increase the occurrence of retinal tractional detachment and other adverse effects in PDR and CNV treatments...
August 23, 2018: Microvascular Research
https://www.readbyqxmd.com/read/30109751/supermacrocyclic-assemblies-by-hydrogen-bond-codes-of-c7-phenol-pyrazolo-and-pyrrolo-derivatives-of-adenine
#11
Yingying Chai, Xinglong Zhou, Changfu Li, Beibei Ma, Zhen Shen, Ridong Huang, Hai Chen, Bojiang Chen, Weimin Li, Yang He
Hydrogen bond (HB) mediated base pair motifs are versatile scaffolds of diverse supramolecular constructs. Here, we report that two novel four and six-membered supermacrocyclic assemblies with intriguing geometries can be self-assembled from two new adenine derivatives, APN (1) and APC (2). The conversion of a conventional HB acceptor, N8 of 1, to a non-conventional HB donor, C8-H of 2, has a pronounced impact on the whole intricate overall HB network and self-assembly patterns, epitomizing the subtleties in design and exploitation of such base pair motifs as promising tectons for building supramolecular architectures...
August 14, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/30107914/adiponectin-inhibits-osteoclastogenesis-by-suppressing-nf-%C3%AE%C2%BAb-and-p38-signaling-pathways
#12
Guiping Chen, Leitao Huang, Xia Wu, Xuqiang Liu, Qiang Xu, Fan Li, Min Dai, Bin Zhang
Adiponectin (APN) has been shown to play a key role in regulating bone mineral density (BMD). Nevertheless, the effects of APN on receptor activator of NF-κB ligand (RANKL)-induced osteoclast formation and mechanism of regulation are not entirely clear. The study, therefore, aimed to evaluate the effect of APN on osteoclastogenesis. Our results showed that APN inhibits osteoclastogenesis and resorption function in vitro by suppressing nuclear factor-κB (NF-κB) and p38 signaling pathways, which is essential for osteoclast formation...
September 10, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/30097439/enhancement-of-bacillus-thuringiensis-cry1ab-and-cry1fa-toxicity-to-spodoptera-frugiperda-by-domain-iii-mutations-indicates-there-are-two-limiting-steps-in-toxicity-as-defined-by-receptor-binding-and-protein-stability
#13
Isabel Gómez, Josue Ocelotl, Jorge Sánchez, Christina Lima, Erica Martins, Anayeli Rosales-Juárez, Sotero Aguilar-Medel, André Abad, Hua Dong, Rose Monnerat, Guadalupe Peña, Jie Zhang, Mark Nelson, Gusui Wu, Alejandra Bravo, Mario Soberón
Bacillus thuringiensis Cry1Ab and Cry1Fa toxins are environmentally safe insecticides that control important insect pests. Spodoptera frugiperda is an important maize pest that shows low susceptibility to Cry1A toxins, in contrast to Cry1Fa, which is highly active against this pest and is used in transgenic maize for S. frugiperda control. The β16 region from domain III of Cry1Ab has been shown to be involved in interactions with receptors such as alkaline phosphatase (ALP) or aminopeptidase (APN) in different lepidopteran insects...
October 15, 2018: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/30089817/poly-ethylene-glycol-poly-lysine-block-copolymer-ubenimex-conjugate-targets-aminopeptidase-n-and-exerts-an-antitumor-effect-in-hepatocellular-carcinoma-stem-cells
#14
Reishi Toshiyama, Masamitsu Konno, Hidetoshi Eguchi, Hiroyasu Takemoto, Takehiro Noda, Ayumu Asai, Jun Koseki, Naotsugu Haraguchi, Yuji Ueda, Katsunori Matsushita, Kei Asukai, Tomofumi Ohashi, Yoshifumi Iwagami, Daisaku Yamada, Daisuke Sakai, Tadafumi Asaoka, Toshihiro Kudo, Koichi Kawamoto, Kunihito Gotoh, Shogo Kobayashi, Taroh Satoh, Yuichiro Doki, Nobuhiro Nishiyama, Masaki Mori, Hideshi Ishii
Previous studies highlighted that aminopeptidase N (APN)/CD13 acts as a scavenger in the survival of hepatocellular carcinoma (HCC) stem cells by reducing reactive oxygen species (ROS) levels. Hence, it has been proposed that APN/CD13 inhibition can increase cellular ROS levels and sensitize cells to chemotherapeutic agents. Although ubenimex, also known as bestatin, competitively inhibits proteases such as APN/CD13 on the cellular membrane and it is clinically used for patients with acute myeloid leukemia and lymphedema, research has demonstrated that higher concentrations of the agent induce the death of APN/CD13+ HCC stem cells...
August 8, 2018: Oncogene
https://www.readbyqxmd.com/read/30086792/characterization-of-peritoneal-cells-from-cats-with-experimentally-induced-feline-infectious-peritonitis-fip-using-rna-seq
#15
Rie Watanabe, Christina Eckstrand, Hongwei Liu, Niels C Pedersen
Laboratory cats were infected with a serotype I cat-passaged field strain of FIP virus (FIPV) and peritoneal cells harvested 2-3 weeks later at onset of lymphopenia, fever and serositis. Comparison peritoneal cells were collected from four healthy laboratory cats by peritoneal lavage and macrophages predominated in both populations. Differential mRNA expression analysis identified 5621 genes as deregulated in peritoneal cells from FIPV infected versus normal cats; 956 genes showed > 2.0 Log2 Fold Change (Log2 FC) and 1589 genes showed < -2...
August 7, 2018: Veterinary Research
https://www.readbyqxmd.com/read/30046296/molecular-imaging-of-aminopeptidase-n-in-cancer-and-angiogenesis
#16
REVIEW
Cynthia L Schreiber, Bradley D Smith
This review focuses on recent advances in the molecular imaging of aminopeptidase N (APN, also known as CD13), a zinc metalloenzyme that cleaves N -terminal neutral amino acids. It is overexpressed in multiple cancer types and also on the surface of vasculature undergoing angiogenesis, making it a promising target for molecular imaging and targeted therapy. Molecular imaging probes for APN are divided into two large subgroups: reactive and nonreactive. The structures of the reactive probes (substrates) contain a reporter group that is cleaved and released by the APN enzyme...
2018: Contrast Media & Molecular Imaging
https://www.readbyqxmd.com/read/30038429/antidiabetic-adiponectin-receptor-agonist-adiporon-suppresses-tumour-growth-of-pancreatic-cancer-by-inducing-ripk1-erk-dependent-necroptosis
#17
Miho Akimoto, Riruke Maruyama, Yasunari Kawabata, Yoshitsugu Tajima, Keizo Takenaga
The association between lower circulating adiponectin (APN) levels and the development of pancreatic cancer has been reported. However, the effect of APN on the growth and survival of pancreatic cancer cells remains elusive. Here, we investigate the effects of the anti-diabetic APN receptor (AdipoR) agonist AdipoRon and APN on human pancreatic cancer cells. We found that AdipoRon, but not APN, induces MIAPaCa-2 cell death, mainly through necroptosis. Mechanistically, although both AdipoRon and APN activate AMPK and p38 MAPK in an AdipoR-dependent manner that elicits survival signals, only AdipoRon induces rapid mitochondrial dysfunction through mitochondrial Ca2+ overload, followed by superoxide production via RIPK1 and ERK1/2 activation...
July 23, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/30035776/fellowship-programs-reflections-of-an-advanced-practice-nurse-fellow
#18
Amber Thomassen
Newly graduated advanced practice nurses (APNs) often accept positions equipped only with brief, limited training and are expected to primarily learn on the job. APN fellowship programs, such as the oncology fellowship program at Sylvester Comprehensive Cancer Center (SCCC) in Florida, may be a solution to this problem; they provide in-depth training to APNs, offer support through open communication with preceptors, grant APNs opportunities to develop skills and confidence, and allow APNs the time to earn the trust of others at the institution and take on additional responsibilities...
August 1, 2018: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/30034623/neutral-metalloaminopeptidases-apn-and-metap2-as-newly-discovered-anticancer-molecular-targets-of-actinomycin-d-and-its-simple-analogs
#19
Ewelina Węglarz-Tomczak, Michał Talma, Mirosław Giurg, Hans V Westerhoff, Robert Janowski, Artur Mucha
The potent transcription inhibitor Actinomycin D is used with several cancers. Here, we report the discovery that this naturally occurring antibiotic inhibits two human neutral aminopeptidases, the cell-surface alanine aminopeptidase and intracellular methionine aminopeptidase type 2. These metallo-containing exopeptidases participate in tumor cell expansion and motility and are targets for anticancer therapies. We show that the peptide portions of Actinomycin D and Actinomycin X2 are not required for effective inhibition, but the loss of these regions changes the mechanism of interaction...
June 29, 2018: Oncotarget
https://www.readbyqxmd.com/read/30033614/acceptance-of-the-advanced-practice-nurse-in-lung-cancer-role-by-healthcare-professionals-and-patients-a-qualitative-exploration
#20
Andrea Serena, Andrew A Dwyer, Solange Peters, Manuela Eicher
PURPOSE: The purpose of this study was to explore the acceptance of a novel role, the advanced practice nurse in lung cancer (APNLC), from the perspective of patients and healthcare professionals in a country lacking a regulatory oversight for advanced practice nursing (APN) roles. METHODS AND DESIGN: This study utilized a qualitative methodology using focus groups and semistructured interviews. Participants were purposively sampled in a Swiss academic medical center...
September 2018: Journal of Nursing Scholarship
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