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https://www.readbyqxmd.com/read/29792513/cardiogenic-shock-complicating-peripartum-cardiomyopathy-importance-of-early-left-ventricular-unloading-and-bromocriptine-therapy
#1
Jan-Thorben Sieweke, Tobias Jonathan Pfeffer, Dominik Berliner, Tobias König, Maximiliane Hallbaum, L Christian Napp, Jörn Tongers, Christian Kühn, Jan D Schmitto, Denise Hilfiker-Kleiner, Andreas Schäfer, Johann Bauersachs
INTRODUCTION: Acute peripartum cardiomyopathy complicated by cardiogenic shock is a rare but life-threatening disease. A prolactin fragment is considered causal for the pathogenesis of peripartum cardiomyopathy. This analysis sought to investigate the role of early percutaneous mechanical circulatory support with micro-axial flow-pumps and/or veno-arterial extracorporeal membrane oxygenation in combination with the prolactin inhibitor bromocriptine in refractory cardiogenic shock complicating peripartum cardiomyopathy...
May 1, 2018: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/29792121/abcg2-polymorphism-rs2231142-and-hypothyroidism-in-metastatic-renal-cell-carcinoma-patients-treated-with-sunitinib
#2
Emilie Werbrouck, Julie Bastin, Diether Lambrechts, Annelies Verbiest, Thomas Van Brussel, Evelyne Lerut, Jean-Pascal Machiels, Vincent Verschaeve, Vincent Richard, Philip R Debruyne, Brigitte Decallonne, Patrick Schöffski, Oliver Bechter, Pascal Wolter, Benoit Beuselinck
Background and aim Vascular endothelial growth factor receptor tyrosine kinase inhibitors (VEGFR-TKIs) cause significant adverse events including thyroid dysfunction, mainly hypothyroidism, in a considerable proportion of patients. In a series of metastatic renal cell carcinoma (mRCC) patients treated with sunitinib, we aimed to study the correlation between hypothyroidism and single nucleotide polymorphisms (SNPs) in genes involved in sunitinib pharmacokinetics and pharmacodynamics. Patients and methods We included 79 mRCC patients who started sunitinib between November 2005 and March 2016...
May 23, 2018: Acta Clinica Belgica
https://www.readbyqxmd.com/read/29789637/the-proton-pump-inhibitor-pantoprazole-disrupts-protein-degradation-systems-and-sensitizes-cancer-cells-to-death-under-various-stresses
#3
Yu Cao, Min Chen, Dehua Tang, Hongli Yan, Xiwei Ding, Fan Zhou, Mingming Zhang, Guifang Xu, Weijie Zhang, Shu Zhang, Yuzheng Zhuge, Lei Wang, Xiaoping Zou
Proton pump inhibitors (PPIs) play a role in antitumor activity, with studies showing specialized impacts of PPIs on cancer cell apoptosis, metastasis, and autophagy. In this study, we demonstrated that pantoprazole (PPI) increased autophagosomes formation and affected autophagic flux depending on the pH conditions. PPI specifically elevated SQSTM1 protein levels by increasing SQSTM1 transcription via NFE2L2 activation independent of the specific effect of PPI on autophagic flux. Via decreasing proteasome subunits expression, PPI significantly impaired the function of the proteasome, accompanied by the accumulation of undegraded poly-ubiquitinated proteins...
May 22, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29789128/prostaglandin-e2-attenuates-synergistic-bactericidal-effects-between-cox-inhibitors-and-antibiotics-on-staphylococcus-aureus
#4
Jia-Yi Cai, Yong-Na Hou, Jian Li, Kai Ma, Guo-Dong Yao, Wei-Wei Liu, Toshihiko Hayashi, Kikuji Itoh, Shin-Ichi Tashiro, Satoshi Onodera, Takashi Ikejima
PGE2 is found to attenuate the bactericidal effects of kanamycin or ampicillin in Staphylococcus aureus, as well as the methicillin-resistant S. aureus (MRSA). Co-treatment with cyclooxygenase (COX) inhibitors (celecoxib, aspirin or naproxen) synergistically enhances kanamycin or ampicillin-induced cell death of S. aureus and MRSA. COX inhibitors repressed bacterial multidrug resistance through down-regulating efflux pump activity in antibiotics-treated S. aureus and MRSA. However, this synergistic bactericidal effects are reduced by the treatment with PGE2...
June 2018: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/29788903/sustained-efficacy-following-resolution-of-frequent-heartburn-with-an-over-the-counter-regimen-of-esomeprazole-20-mg-or-placebo-for-14-days-two-randomized-trials
#5
David A Peura, Anne Le Moigne, Heather Wassel, Charles Pollack
BACKGROUND: A two-week course of therapy with an over-the-counter proton-pump inhibitor (PPI) is recommended for frequent heartburn. Limited research has been conducted on the sustained efficacy of short-term PPI therapy after treatment cessation. Esomeprazole 20 mg was evaluated in the seven-day follow-up period after the two-week treatment period using pooled data from two identical randomized, double-blind, placebo-controlled studies. METHODS: Adults without confirmed diagnoses of gastroesophageal reflux disease experiencing heartburn at least two days/week in the past four weeks were eligible...
May 22, 2018: BMC Gastroenterology
https://www.readbyqxmd.com/read/29785745/use-of-proton-pump-inhibitors-is-associated-with-increased-mortality-due-to-nosocomial-pneumonia-in-bedridden-patients-receiving-tube-feeding
#6
Kosuke Hamai, Hiroshi Iwamoto, Shinichiro Ohshimo, Yu Wakabayashi, Daisuke Ihara, Kazunori Fujitaka, Hironobu Hamada, Koichi Ono, Noboru Hattori
AIM: To investigate the association between the use of proton pump inhibitors (PPI) and nosocomial pneumonia and gastrointestinal bleeding in bedridden patients receiving tube feeding. METHODS: A total of 116 bedridden hospitalized patients receiving tube feeding, of which 80 were supported by percutaneous endoscopic gastrostomy and 36 by nasogastric tube, were included in the present study. The patients were divided into two groups: 62 patients treated with PPI (PPI group) and 54 patients without PPI (non-PPI group)...
May 22, 2018: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/29781748/pediatric-sloughing-esophagitis-a-case-report-and-discussion
#7
Lulu Sun, Christina A Hickey, Brendan R Harris, Horacio M Maluf, Mai He
BACKGROUND: Sloughing esophagitis is an uncommon entity with an unclear pathogenesis characterized by desquamating sheets of squamous mucosa. It has been associated with bullous dermatologic disorders, other autoimmune diseases and has been most commonly reported in elderly, debilitated individuals on multiple medications. CASE REPORT: We report sloughing esophagitis in a previously healthy 17 year-old girl. While the initial trigger of her esophagitis is unclear, she improved with proton pump inhibitor therapy and swallowed fluticasone, with complete resolution after 6 months...
May 21, 2018: Fetal and Pediatric Pathology
https://www.readbyqxmd.com/read/29780621/thromboembolism-prophylaxis-in-orthopaedics-an-update
#8
Dimitrios A Flevas, Panayiotis D Megaloikonomos, Leonidas Dimopoulos, Evanthia Mitsiokapa, Panayiotis Koulouvaris, Andreas F Mavrogenis
Venous thromboembolism (VTE) is a serious complication during and after hospitalization, yet is a preventable cause of in-hospital death.Without VTE prophylaxis, the overall VTE incidence in medical and general surgery hospitalized patients is in the range of 10% to 40%, while it ranges up to 40% to 60% in major orthopaedic surgery. With routine VTE prophylaxis, fatal pulmonary embolism is uncommon in orthopaedic patients and the rates of symptomatic VTE within three months are in the range of 1.3% to 10%.VTE prophylaxis methods are divided into mechanical and pharmacological...
April 2018: EFORT Open Reviews
https://www.readbyqxmd.com/read/29780364/antibacterial-efficacy-of-polysaccharide-capped-silver-nanoparticles-is-not-compromised-by-acrab-tolc-efflux-pump
#9
Mitali Mishra, Satish Kumar, Rakesh K Majhi, Luna Goswami, Chandan Goswami, Harapriya Mohapatra
Antibacterial therapy is of paramount importance in treatment of several acute and chronic infectious diseases caused by pathogens. Over the years extensive use and misuse of antimicrobial agents has led to emergence of multidrug resistant (MDR) and extensive drug resistant (XDR) pathogens. This drastic escalation in resistant phenotype has limited the efficacy of available therapeutic options. Thus, the need of the hour is to look for alternative therapeutic approaches to mitigate healthcare concerns caused due to MDR bacterial infections...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29780000/the-effects-of-proton-pump-inhibitor-on-hepatic-vascular-responsiveness-and-hemodynamics-in-cirrhotic-rats
#10
I-Fang Hsin, Shao-Jung Hsu, Chiao-Lin Chuang, Teh-Ia Huo, Hui-Chun Huang, Fa-Yauh Lee, Hsin-Ling Ho, Shu-Yu Chang, Shou-Dong Lee
BACKGROUND: Liver cirrhosis is associated with increased intrahepatic resistance due to hepatic fibrosis and exaggerated vasoconstriction. Recent studies have indicated that proton pump inhibitors (PPIs), in addition to acid suppression, modulate vasoactive substances and vasoresponsiveness. PPIs are frequently prescribed in patients with cirrhosis due to a higher prevalence of peptic ulcers, however other impacts are unknown. METHODS: Liver cirrhosis was induced in Sprague-Dawley rats with common bile duct ligation (BDL)...
May 17, 2018: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29778894/new-n-phenylpyrrolamide-dna-gyrase-b-inhibitors-optimization-of-efficacy-and-antibacterial-activity
#11
Martina Durcik, Denise Lovison, Žiga Skok, Cristina Durante Cruz, Päivi Tammela, Tihomir Tomašič, Davide Benedetto Tiz, Gábor Draskovits, Ákos Nyerges, Csaba Pál, Janez Ilaš, Lucija Peterlin Mašič, Danijel Kikelj, Nace Zidar
The ATP binding site located on the subunit B of DNA gyrase is an attractive target for the development of new antibacterial agents. In recent decades, several small-molecule inhibitor classes have been discovered but none has so far reached the market. We present here the discovery of a promising new series of N-phenylpyrrolamides with low nanomolar IC50 values against DNA gyrase, and submicromolar IC50 values against topoisomerase IV from Escherichia coli and Staphylococcus aureus. The most potent compound in the series has an IC50 value of 13 nM against E...
May 10, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29778306/proton-pump-inhibitors-prescriptions-in-france-main-trends-from-2006-to-2016-on-french-health-insurance-database
#12
Quentin Boucherie, Franck Rouby, Diane Frankel, Patrice Roll, Joelle Micallef
Because national data on proton pump inbibitors (PPIs) consumption in France are scarce and because there is a growing literature on potential adverse drug reaction induced by this pharmacological class, we would like to more describe the main evolution of PPI use and the main characteristics of its users in France. We used a 1/97th representative sample of beneficiaries of the French health insurance called "échantillon généraliste des bénéficiaires" (EGB) to describe PPIs' use over time (duration of use by year) from 2006 to 2016...
March 7, 2018: Thérapie
https://www.readbyqxmd.com/read/29777796/identification-of-a-sodium-pump-na-k-atpase-%C3%AE-1-targeted-peptide-for-pet-imaging-of-breast-cancer
#13
Qian Wang, Shi-Bing Li, Yi-Ying Zhao, Da-Nian Dai, Hui Du, Yan-Zhu Lin, Jia-Cong Ye, Jing Zhao, Wei Xiao, Yan Mei, Yi-Tai Xiao, Shi-Chu Liu, Yan Li, Yun-Fei Xia, Er-Wei Song, Gang-Hua Tang, Wei-Guang Zhang, Zhi-Jiang Li, Xiao-Bin Zheng, De-Hai Cao, Man-Zhi Li, Qian Zhong, Zhong-Ping Chen, Chao-Nan Qian, Wei Fan, Guo-Kai Feng, Mu-Sheng Zeng
The sodium pump Na+ /K+ ATPase a1 subunit(NKA a1), an attractive cancer-related biomarker and therapeutic target, is closely related to the development and progression of several cancers including breast cancer. Currently, a NKA a1 inhibitor, UNBS1450, has already evidenced its great therapeutic potential in personalized cancer treatment. The ability of non-invasive imaging of NKA a1 expression would be useful for selecting cancer patients who may benefit from this drug. Here, we identified an S3 peptide that is specifically homed to breast cancer by phage display...
May 16, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29777024/characterization-of-p-glycoprotein-humanized-mice-generated-by-chromosome-engineering-technology-its-utility-for-prediction-of-drug-distribution-to-the-brain-in-humans
#14
Yuki Yamasaki, Kaoru Kobayashi, Fuka Okuya, Naoyo Kajitani, Kanako Kazuki, Satoshi Abe, Shoko Takehara, Shingo Ito, Seiryo Ogata, Tatsuki Uemura, Sumio Ohtsuki, Genki Minegishi, Hidetaka Akita, Kan Chiba, Mitsuo Oshimura, Yasuhiro Kazuki
P-glycoprotein (P-gp), encoded by the MDR1 gene in humans and by the Mdr1a/1b genes in rodents, is expressed in numerous tissues and plays as an efflux pump to limit the distribution and absorption of many drugs. Owing to species differences of P-gp between humans and rodents, it is difficult to predict the impact of P-gp on pharmacokinetics and tissue distribution of P-gp substrates in humans from results of animal experiments. Therefore, we generated a novel P-gp humanized mouse model by using a mouse artificial chromosome (MAC) vector [designated human MDR1-MAC (hMDR1-MAC) mice]...
May 18, 2018: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/29774563/alternative-therapies-for-gerd-a-way-to-personalized-antireflux-surgery
#15
Erwin Rieder, Martin Riegler, Aleksandar P Simić, Ognjan M Skrobić, Luigi Bonavina, Richard Gurski, Matthias Paireder, Donald O Castell, Sebastian F Schoppmann
Gastroesophageal reflux disease (GERD) is a common disorder, known to affect about 20% of the Western population. Although conventional medical or surgical treatment has proven effective, there is certainly room for improvements. As only 10% of GERD patients are finally treated by antireflux surgery, a large therapeutic window exists. This treatment gap consists of patients who are not effectively treated with proton pump inhibitor but do not want to run the potential risks of conventional surgery. During the last two decades, several novel and intriguing options for the surgical treatment of GERD have been introduced and found their way into clinical use...
May 17, 2018: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/29774402/subtrochanteric-and-diaphyseal-femoral-fractures-in-hypophosphatasia-not-atypical-at-all
#16
F Genest, L Seefried
Risk for subtrochanteric and diaphyseal femoral fractures is considered increased in patients with hypophosphatasia (HPP). Evaluating a large cohort of HPP patients, we could for the first time quantify the prevalcence and identify both morphometric features as well as predisposing factors for this complication of severe HPP. INTRODUCTION: Subtrochanteric and diaphyseal femoral fractures have been associated with both, long-term antiresorptive treatment and metabolic bone disorders, specifically Hypophosphatasia (HPP)...
May 17, 2018: Osteoporosis International
https://www.readbyqxmd.com/read/29773689/risk-factors-for-lung-disease-progression-in-children-with-cystic-fibrosis
#17
Marieke van Horck, Kim van de Kant, Bjorn Winkens, Geertjan Wesseling, Vincent Gulmans, Han Hendriks, Chris van der Grinten, Quirijn Jӧbsis, Edward Dompeling
To identify potential risk factors for lung disease progression in children with cystic fibrosis (CF), we studied the longitudinal data of all children with CF (aged ≥5 years) registered in the Dutch CF Registry (2009-2014). Lung disease progression was expressed as a decline in lung function (FEV1 %pred) and the pulmonary exacerbation rate (PEx). Potential risk factors at baseline included: sex, age, best FEV1%pred, best forced vital capacity (FVC)%pred, genotype, BMI z-score, pancreatic insufficiency, medication use (proton pump inhibitors [PPI], prophylactic antibiotics, and inhaled corticosteroids), CF-related diabetes, allergic bronchopulmonary aspergillosis, and colonisation with Pseudomonas aeruginosa The data of 545 children were analysed...
May 17, 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29770171/risk-of-gastric-cancer-development-after-eradication-of-helicobacter-pylori
#18
REVIEW
Ka-Shing Cheung, Wai K Leung
Helicobacter pylori ( H. pylori ) infection is the most important risk factor for gastric cancer (GC) development through the Correa's gastric carcinogenesis cascade. However, H. pylori eradication alone does not eliminate GC, as pre-neoplastic lesions (atrophic gastritis, intestinal metaplasia and dysplasia) may have already developed in some patients. It is therefore necessary to identify patients at high-risk for gastric cancer after H. pylori eradication to streamline the management plan. If the patients have not undergone endoscopy with histologic assessment, the identification of certain clinical risk factors and non-invasive testing (serum pepsinogen) can predict the risk of atrophic gastritis...
May 15, 2018: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/29767340/speculation-as-to-why-the-frequency-of-eosinophilic-esophagitis-is-increasing
#19
REVIEW
Stuart Jon Spechler
PURPOSE OF REVIEW: The frequency of eosinophilic esophagitis (EoE), an immune/antigen-mediated disorder first described in 1993, has been increasing rapidly. The purpose of this review is to consider hypotheses proposed to explain this increase and to speculate on their validity. RECENT FINDINGS: The hygiene hypothesis attributes the rise of EoE to modern hygienic conditions resulting in fewer childhood infections with microbes that might have protected against allergy development...
May 16, 2018: Current Gastroenterology Reports
https://www.readbyqxmd.com/read/29767318/strategies-for-effective-discontinuation-of-proton-pump-inhibitors
#20
REVIEW
Judith Kim, John W Blackett, Daniela Jodorkovsky
PURPOSE OF REVIEW: Proton pump inhibitors (PPIs) are effective for many conditions but are often overprescribed. Recent concerns about long-term risks have made patients re-evaluate their need to take PPIs chronically, though these population-based studies have methodological weaknesses. The goal of this review is to provide evidenced-based strategies for discontinuation of PPI therapy. RECENT FINDINGS: Given that some patients experience rebound symptoms when abruptly stopping continuous PPI therapy due to its effect on hypergastrinemia, strategies focus on avoiding rebound...
May 16, 2018: Current Gastroenterology Reports
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