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https://www.readbyqxmd.com/read/28212321/therapeutic-approaches-targeting-myc-driven-prostate-cancer
#1
REVIEW
Richard J Rebello, Richard B Pearson, Ross D Hannan, Luc Furic
The transcript encoding the proto-oncogene MYC is commonly overexpressed in prostate cancer (PC). MYC protein abundance is also increased in the majority of cases of advanced and metastatic castrate-resistant PC (mCRPC). Accordingly, the MYC-directed transcriptional program directly contributes to PC by upregulating the expression of a number of pro-tumorigenic factors involved in cell growth and proliferation. A key cellular process downstream of MYC activity is the regulation of ribosome biogenesis which sustains tumor growth...
February 16, 2017: Genes
https://www.readbyqxmd.com/read/28196627/environmental-enrichment-enhances-cognitive-flexibility-in-c57bl-6-mice-on-a-touchscreen-reversal-learning-task
#2
Ariel Zeleznikow-Johnston, Emma L Burrows, Thibault Renoir, Anthony J Hannan
Environmental enrichment (EE) is any positive modification of the 'standard housing' (SH) conditions in which laboratory animals are typically held, usually involving increased opportunity for cognitive stimulation and physical activity. EE has been reported to enhance baseline performance of wild-type animals on traditional cognitive behavioural tasks. Recently, touchscreen operant testing chambers have emerged as a way of performing rodent cognitive assays, providing greater reproducibility, translatability and automatability...
February 11, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28194447/g%C3%AE-11-mutation-in-mice-causes-hypocalcemia-rectifiable-by-calcilytic-therapy
#3
Caroline M Gorvin, Fadil M Hannan, Sarah A Howles, Valerie N Babinsky, Sian E Piret, Angela Rogers, Andrew J Freidin, Michelle Stewart, Anju Paudyal, Tertius A Hough, M Andrew Nesbit, Sara Wells, Tonia L Vincent, Stephen D M Brown, Roger D Cox, Rajesh V Thakker
Heterozygous germline gain-of-function mutations of G-protein subunit α11 (Gα11), a signaling partner for the calcium-sensing receptor (CaSR), result in autosomal dominant hypocalcemia type 2 (ADH2). ADH2 may cause symptomatic hypocalcemia with low circulating parathyroid hormone (PTH) concentrations. Effective therapies for ADH2 are currently not available, and a mouse model for ADH2 would help in assessment of potential therapies. We hypothesized that a previously reported dark skin mouse mutant (Dsk7) - which has a germline hypermorphic Gα11 mutation, Ile62Val - may be a model for ADH2 and allow evaluation of calcilytics, which are CaSR negative allosteric modulators, as a targeted therapy for this disorder...
February 9, 2017: JCI Insight
https://www.readbyqxmd.com/read/28183462/the-impact-of-excluding-shock-patients-on%C3%A2-hospital-and-physician-risk-adjusted-mortality-rates-for-percutaneous-coronary%C3%A2-interventions-the-implications-for-public-reporting
#4
Edward L Hannan, Ye Zhong, Kimberly Cozzens, Foster Gesten, Marcus Friedrich, Peter B Berger, Alice K Jacobs, Gary Walford, Frederick S K Ling, Ferdinand J Venditti, Spencer B King
OBJECTIVES: The authors examined the impact of including shock patients in public reporting of percutaneous coronary intervention (PCI) risk-adjusted mortality. BACKGROUND: There is concern that an unintended consequence of statewide public reporting of medical outcomes is the avoidance of appropriate interventions for high-risk patients. METHODS: New York State's PCI registry was used to compare hospital and physician risk-adjusted mortality rates and outliers from New York's public report models with rates and outliers based on statistical models that include refractory shock patients and exclude both refractory shock and other shock patients...
February 13, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28161077/m1-macrophages-are-predominantly-recruited-to-the-major-pelvic-ganglion-of-the-rat-following-cavernous-nerve-injury
#5
Hotaka Matsui, Nikolai A Sopko, Johanna L Hannan, Allison A Reinhardt, Max Kates, Takahiro Yoshida, Xiaopu Liu, Fabio Castiglione, Petter Hedlund, Emmanuel Weyne, Maarten Albersen, Trinity J Bivalacqua
INTRODUCTION: Neurogenic erectile dysfunction is a common sequela of radical prostatectomy. The etiology involves injury to the autonomic cavernous nerves, which arise from the major pelvic ganglion (MPG), and subsequent neuroinflammation, which leads to recruitment of macrophages to the injury site. Currently, two macrophage phenotypes are known: neurotoxic M1 macrophages and neuroprotective M2 macrophages. AIM: To examine whether bilateral cavernous nerve injury (BCNI) in a rat model of erectile dysfunction would increase recruitment of neurotoxic M1 macrophages to the MPG...
February 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/28153659/enoxaparin-for-the-prevention-of-preeclampsia-and%C3%A2-intrauterine-growth-restriction-in-women-with%C3%A2-a%C3%A2-history-%C3%A2-a%C3%A2-randomized-trial
#6
Katie M Groom, Lesley M McCowan, Laura K Mackay, Arier C Lee, Joanne M Said, Stefan C Kane, Susan P Walker, Thijs E van Mens, Natalie J Hannan, Stephen Tong, Larry W Chamley, Peter R Stone, Claire McLintock
BACKGROUND: Preeclampsia and small-for-gestational-age pregnancy are major causes of maternal and perinatal morbidity and mortality. Women with a previous pregnancy affected by these conditions are at an increased risk of recurrence in a future pregnancy. Past trials evaluating the effect of low-molecular-weight heparin for the prevention of recurrence of preeclampsia and small-for-gestational-age pregnancy have shown conflicting results with high levels of heterogeneity displayed when trials were compared...
January 30, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28121616/investigation-of-antinociceptive-activity-of-methanolic-extract-of-persicaria-orientalis-leaves-in-rodents
#7
Prawej Ansari, Md Josim Uddin, Shafia Akther, Shofiul Azam, Md Kayes Mahmud, Sohel Bin Azad, Ahsan Ullah, J M A Hannan
BACKGROUND: This study aims to evaluate the scientific basis of traditional application of Persicaria orientalis for reducing pain and inflammation. METHODS: An in vitro method was performed to investigate the presence of the anti-inflammatory activity of methanolic crude extract of P. orientalis. In addition, an in vivo study was conducted in which the hot-plate and tail immersion methods were applied to explore the acute effect of P. orientalis on analgesia. The potency to inhibit chronic inflammation in mice was justified by the carrageenan-induced paw edema and formalin-induced edema methods...
January 25, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28115513/proton-pump-inhibitors-decrease-soluble-fms-like-tyrosine-kinase-1-and-soluble-endoglin-secretion-decrease-hypertension-and-rescue-endothelial-dysfunction
#8
Kenji Onda, Stephen Tong, Sally Beard, Natalie Binder, Masanaga Muto, Sevvandi N Senadheera, Laura Parry, Mark Dilworth, Lewis Renshall, Fiona Brownfoot, Roxanne Hastie, Laura Tuohey, Kirsten Palmer, Toshihiko Hirano, Masahito Ikawa, Tu'uhevaha Kaitu'u-Lino, Natalie J Hannan
Preeclampsia is a severe complication of pregnancy. Antiangiogenic factors soluble fms-like tyrosine kinase-1 (sFlt-1) and soluble endoglin are secreted in excess from the placenta, causing hypertension, endothelial dysfunction, and multiorgan injury. Oxidative stress and vascular inflammation exacerbate the endothelial injury. A drug that can block these pathophysiological steps would be an attractive treatment option. Proton pump inhibitors (PPIs) are safe in pregnancy where they are prescribed for gastric reflux...
March 2017: Hypertension
https://www.readbyqxmd.com/read/28104556/paternal-environmental-enrichment-transgenerationally-alters-affective-behavioral-and-neuroendocrine-phenotypes
#9
Shlomo Yeshurun, Annabel K Short, Timothy W Bredy, Terence Y Pang, Anthony J Hannan
Recent studies have demonstrated that paternal stress in rodents can result in modification of offspring behavior. Environmental enrichment, which enhances cognitive stimulation and physical activity, modifies various behaviors and reduces stress responses in adult rodents. We investigated the transgenerational influence of paternal environmental enrichment on offspring behavior and physiological stress response. Adult C57BL/6J male mice (F0) were exposed to either environmental enrichment or standard housing for four weeks and then pair-mated with naïve females...
January 4, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28068444/effectiveness-of-an-eyelid-thermal-pulsation-procedure-to-treat-recalcitrant-dry-eye-symptoms-after-laser-vision-correction
#10
Craig S Schallhorn, Julie M Schallhorn, Stephen Hannan, Steven C Schallhorn
PURPOSE: To provide an initial retrospective evaluation of the effectiveness of a thermal pulsation system to treat intractable patient-reported dye eye symptoms following laser vision correction. METHODS: A total of 109 eyes of 57 patients underwent thermal pulsation therapy (LipiFlow; TearScience, Morrisville, NC) for the treatment of dry eye symptoms following laser vision correction. A standardized dry eye questionnaire, the Standard Patient Evaluation of Eye Dryness (SPEED II), was administered to all patients before and after thermal pulsation therapy...
January 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28054236/antibiotic-resistance-patterns-of-escherichia-coli-urinary-isolates-and-comparison-with-antibiotic-consumption-data-over-10%C3%A2-years-2005-2014
#11
P J Stapleton, D J Lundon, R McWade, N Scanlon, M M Hannan, F O'Kelly, M Lynch
INTRODUCTION: Escherichia coli is a common cause of urinary tract infections (UTI). Reviews of antibiotic resistance of this organism can inform choice of empiric treatment of UTI and other infections and strategies for combating antimicrobial resistance. We reviewed laboratory and hospital pharmacy records to assess trends in non-susceptibility rates and the effect of antimicrobial stewardship interventions. METHODS: A retrospective observational study of isolates of E...
January 4, 2017: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/28007105/outcomes-and-complications-of-excimer-laser-surgery-in-patients-with-collagen-vascular-and-other-immune-mediated-inflammatory-diseases
#12
Julie M Schallhorn, Steven C Schallhorn, Keith A Hettinger, Jan A Venter, Martina Pelouskova, David Teenan, Stephen J Hannan
PURPOSE: To assess refractive and visual outcomes and postoperative complications in a large number of patients with well-controlled collagen vascular and other immune-mediated inflammatory diseases. SETTING: Optical Express, Glasgow, United Kingdom. DESIGN: Retrospective case series. METHODS: The files were reviewed of patients who had collagen vascular and other immune-mediated inflammatory diseases and who had excimer laser surgery between 2008 and 2015...
December 2016: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28005096/liposomal-bupivacaine-vs-interscalene-nerve-block-for-pain-control-after-shoulder-arthroplasty-a-retrospective-cohort-analysis
#13
COMPARATIVE STUDY
Casey V Hannan, Matthew J Albrecht, Steve A Petersen, Uma Srikumaran
The aim of this study was to compare liposomal bupivacaine and interscalene nerve block (ISNB) for analgesia after shoulder arthroplasty. We compared 37 patients who received liposomal bupivacaine vs 21 who received ISNB after shoulder arthroplasty by length of hospital stay (LOS), opioid consumption, and postoperative pain. Pain was the same in both groups for time intervals of 1 hour and 8 to 14 hours postoperatively. Compared with ISNB patients, liposomal bupivacaine patients reported less pain at 18 to 24 hours (P = ...
November 2016: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28002030/anti-hyperglycemic-activity-of-aegle-marmelos-l-corr-is-partly-mediated-by-increased-insulin-secretion-%C3%AE-amylase-inhibition-and-retardation-of-glucose-absorption
#14
Prawej Ansari, Nadia Afroz, Shahnaz Jalil, Sohel Bin Azad, Md Gazi Mustakim, Sabbir Anwar, S M Nazmul Haque, Saad Mosharraf Hossain, Ramisha Rifat Tony, J M A Hannan
BACKGROUND: Aegle marmelos (commonly known as Bael, golden apple) was formerly described to have anti-hyperglycemic activity. The present study aimed to explore the possible effects, in depth, of A. marmelos extracts on carbohydrate absorption, glucose utilization, and α-amylase inhibition and insulin content in pancreases of type 2 diabetic rats. METHODS: This research begins with fasting blood glucose and oral glucose tolerance test (OGTT) to evaluate the primary anti-hyperglycemic effect in chemically induced type 2 diabetic rats...
January 1, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/27988312/search-strategy-selection-in-the-morris-water-maze-indicates-allocentric-map-formation-during-learning-that-underpins-spatial-memory-formation
#15
Jake Rogers, Leonid Churilov, Anthony J Hannan, Thibault Renoir
Using a Matlab classification algorithm, we demonstrate that a highly salient distal cue array is required for significantly increased likelihoods of spatial search strategy selection during Morris water maze spatial learning. We hypothesized that increased spatial search strategy selection during spatial learning would be the key measure demonstrating the formation of an allocentric map to the escape location. Spatial memory, as indicated by quadrant preference for the area of the pool formally containing the hidden platform, was assessed as the main measure that this allocentric map had formed during spatial learning...
December 15, 2016: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/27987021/impaired-contraction-and-decreased-detrusor-innervation-in-a-female-rat-model-of-pelvic-neuropraxia
#16
Johanna L Hannan, Shelby A Powers, Vinson M Wang, Fabio Castiglione, Petter Hedlund, Trinity J Bivalacqua
INTRODUCTION AND HYPOTHESIS: Bilateral pelvic nerve injury (BPNI) is a model of post-radical hysterectomy neuropraxia, a common sequela. This study assessed the time course of changes to detrusor autonomic innervation, smooth muscle (SM) content and cholinergic-mediated contraction post-BPNI. METHODS: Female Sprague-Dawley rats underwent BPNI or sham surgery and were evaluated 3, 7, 14, and 30 days post-BPNI (n = 8/group). Electrical field-stimulated (EFS) and carbachol-induced contractions were measured...
December 16, 2016: International Urogynecology Journal
https://www.readbyqxmd.com/read/27940181/an-intervention-to-reduce-sitting-and-increase-light-intensity-physical-activity-at-work-design-and-rationale-of-the-stand-move-at-work-group-randomized-trial
#17
Matthew P Buman, Sarah L Mullane, Meynard J Toledo, Sarah A Rydell, Glenn A Gaesser, Noe C Crespo, Peter Hannan, Linda Feltes, Brenna Vuong, Mark A Pereira
BACKGROUND: American workers spend 70-80% of their time at work being sedentary. Traditional approaches to increase moderate-vigorous physical activity (MVPA) may be perceived to be harmful to productivity. Approaches that target reductions in sedentary behavior and/or increases in standing or light-intensity physical activity [LPA] may not interfere with productivity and may be more feasible to achieve through small changes accumulated throughout the workday METHODS/DESIGN: This group randomized trial (i...
February 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/27939237/weight-gain-reduction-among-2-year-college-students-the-choices-rct
#18
Leslie A Lytle, Melissa N Laska, Jennifer A Linde, Stacey G Moe, Marilyn S Nanney, Peter J Hannan, Darin J Erickson
INTRODUCTION: The young adult years have been recognized as an influential period for excess weight gain. Non-traditional students and those attending 2-year community colleges are at particularly high risk for a range of adverse weight-related outcomes. DESIGN: Choosing Healthy Options in College Environments and Settings was an RCT with students randomly assigned into a control or intervention condition after baseline assessment. The study was designed to evaluate if a 24-month weight-gain prevention intervention reduces the expected increase in BMI and overweight prevalence in young adults attending 2-year colleges...
February 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/27932862/role-of-the-treating-surgeon-in-the-consent-process-for-elective-refractive-surgery
#19
Steven C Schallhorn, Stephen J Hannan, David Teenan, Julie M Schallhorn
PURPOSE: To compare patient's perception of consent quality, clinical and quality-of-life outcomes after laser vision correction (LVC) and refractive lens exchange (RLE) between patients who met their treating surgeon prior to the day of surgery (PDOS) or on the day of surgery (DOS). DESIGN: Retrospective, comparative case series. SETTING: Optical Express, Glasgow, UK. METHODS: Patients treated between October 2015 and June 2016 (3972 LVC and 979 RLE patients) who attended 1-day and 1-month postoperative aftercare and answered a questionnaire were included in this study...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/27920343/epidermal-growth-factor-rescues-endothelial-dysfunction-in-primary-human-tissues-in-vitro
#20
Roxanne Hastie, Stephen Tong, Natalie J Hannan, Fiona Brownfoot, Ping Cannon, Tu'uhevaha J Kaitu'u-Lino
Preeclampsia is a hypertensive disorder of pregnancy, responsible for over 60 000 maternal deaths annually. Endothelial dysfunction is a central aspect to its pathophysiology, and currently, no medical therapeutic is available for its treatment. In this study, we aim to investigate the effect of epidermal growth factor (EGF) on endothelial dysfunction using primary human tissues. We performed a number of in vitro assays that mimic the vascular endothelial dysfunction that occurs in preeclampsia. Epidermal growth factor reduced the expression of vascular cell adhesion molecule-1, a marker of endothelial dysfunction, after insult with tumor necrosis factor α (TNF-α) or serum from women with preeclampsia...
December 5, 2016: Reproductive Sciences
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