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Offin M, Myers M, Josyula S, Shen R, Borsu L, Tsui D, Riely G, Rudin C, Yu H, Li B, Arcila M. P1.01-75 Utility of cfDNA Testing for Acquired Resistance: The Memorial Sloan Kettering Experience with Plasma EGFR T790M Clinical Testing. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Li B, Offin M, Hembrough T, Cecchi F, Shen R, Olah Z, Panora E, Myers M, Brzostowski E, Buonocore D, Ginsberg M, Rudin C, Kris M, Weitsman G, Barber P, Ng T, Ulaner G, Arcila M, Scaltriti M. P1.13-43 Molecular and Imaging Predictors of Response to Ado-Trastuzumab Emtansine in Patients with HER2 Mutant Lung Cancers: An Exploratory Phase 2 Trial. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.900] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Myers M, Holcombe J, Overstreet T, Taylor S, Epker J, Espenan M, Hill B. C - 23Pain Catastrophizing and Its Relation to Psychological Distress and Cognitive Performance in a Chronic Pain Sample. Arch Clin Neuropsychol 2018. [DOI: 10.1093/arclin/acy061.176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Taylor S, Aita S, Beach J, Holcombe J, Myers M, Boettcher A, Epker J, Hill B. C - 55Base Rates of Failed Performance Validity Tests in a Chronic Pain Sample. Arch Clin Neuropsychol 2018. [DOI: 10.1093/arclin/acy061.208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Holcombe J, Myers M, Elliott E, Hill B. B - 71Exploring the Effect of Trait Anxiety on Working Memory Intra-Individual Variability: A Response Time Distributional Analysis Approach. Arch Clin Neuropsychol 2018. [DOI: 10.1093/arclin/acy061.147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Aboumatar H, Naqibuddin M, Chung S, Adebowale H, Bone L, Brown T, Cooper LA, Gurses AP, Knowlton A, Kurtz D, Piet L, Putcha N, Rand C, Roter D, Shattuck E, Sylvester C, Urteaga-Fuentes A, Wise R, Wolff JL, Yang T, Hibbard J, Howell E, Myers M, Shea K, Sullivan J, Syron L, Wang NY, Pronovost P. Better Respiratory Education and Treatment Help Empower (BREATHE) study: Methodology and baseline characteristics of a randomized controlled trial testing a transitional care program to improve patient-centered care delivery among chronic obstructive pulmonary disease patients. Contemp Clin Trials 2017; 62:159-167. [PMID: 28887069 DOI: 10.1016/j.cct.2017.08.018] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Revised: 08/23/2017] [Accepted: 08/25/2017] [Indexed: 11/15/2022]
Abstract
BACKGROUND Chronic Obstructive Pulmonary Disease (COPD) is a leading cause of hospitalizations. Interventional studies focusing on the hospital-to-home transition for COPD patients are few. In the BREATHE (Better Respiratory Education and Treatment Help Empower) study, we developed and tested a patient and family-centered transitional care program that helps prepare hospitalized COPD patients and their family caregivers to manage COPD at home. METHODS In the study's initial phase, we co-developed the BREATHE transitional care program with COPD patients, family-caregivers, and stakeholders. The program offers tailored services to address individual patients' needs and priorities at the hospital and for 3months post discharge. We tested the program in a single-blinded RCT with 240 COPD patients who were randomized to receive the program or 'usual care'. Program participants were offered the opportunity to invite a family caregiver, if available, to enroll with them into the study. The primary outcomes were the combined number of COPD-related hospitalizations and Emergency Department (ED) visits per participant at 6months post discharge, and the change in health-related quality of life over the 6months study period. Other measures include 'all cause' hospitalizations and ED visits; patient activation; self-efficacy; and, self-care behaviors. DISCUSSION Unlike 1month transitional care programs that focus on patients' post-acute care needs, the BREATHE program helps hospitalized COPD patients manage the post discharge period as well as prepare them for long term self-management of COPD. If proven effective, this program may offer a timely solution for hospitals in their attempts to reduce COPD rehospitalizations.
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Myers M, Hill B, Joanning H, Shelley-Tremblay J. C-54Physiological and Cognitive Intra-individual Variability are Negatively Associated. Arch Clin Neuropsychol 2017. [DOI: 10.1093/arclin/acx076.221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Arble D, Flak J, Myers M, Sandoval D, Seeley R. 0090 A MOUSE MODEL OF SLEEP APNEA REVEALS A KEY ROLE FOR LEPTIN IN THE PATHOGENESIS OF DISORDERED BREATHING. Sleep 2017. [DOI: 10.1093/sleepj/zsx050.089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Burns PM, Myers M, Sethian JD, Wolford MF, Giuliani JL, Obenschain SP, Lehmberg RH, Searles S, Friedman M, Hegeler F, Jaynes R, Smilgys RV. Development of a Continuous Multi-Thousand Shot Electron Beam Pumped KrF Rep-Rate Laser for Fusion Energy. FUSION SCIENCE AND TECHNOLOGY 2017. [DOI: 10.13182/fst07-a1528] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Stone A, Blakely C, Bochantin K, Krawczel PD, Myers M, Nolan DT, Petersson-Wolfe CS, Pighetti GM, Ward S, Bewley JM. 0761 Housing and demographic effects on somatic cell score in southeast United States dairies. J Anim Sci 2016. [DOI: 10.2527/jam2016-0761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Yoder AM, Sorensen JA, Foster F, Myers M, Murphy D, Cook G, May J, Jenkins P. Selecting target populations for ROPS retrofit programs in Pennsylvania and Vermont. J Agric Saf Health 2014; 19:175-90. [PMID: 24400422 DOI: 10.13031/jash.19.10035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Agriculture has the highest injury and fatality rates when compared with other U.S. industries, and tractor overturns remain the leading cause of agricultural fatalities. Rollover protection structures (ROPS) are the only proven devices to protect a tractor operator in the event of an overturn. These devices are 99% effective when used with a seatbelt. Nearly 49% of tractors in the U.S. are not equipped with a ROPS. Interventions such as social marketing, community awareness campaigns, and financial incentives have been directed at encouraging farmers to install ROPS on their unprotected tractors. The purpose of this study was to conduct similar comparisons of ROPS protection and readiness to retrofit in different segments of the Vermont and Pennsylvania farm communities. A telephone survey was used to collect data on ROPS prevalence, farm demographic characteristics, and farmer's stage of change relative to installing ROPS on farm tractors. Our data provide new and unique information on the prevalence of ROPS-equipped tractors relative to commodity, farm size, and a variety of other demographic variables. Extrapolating from these data, the commodities studied account for roughly 162,072 tractors across the two states. Of these, 85,927 (53%) do not have ROPS. Of these unprotected tractors, 77,203 are in Pennsylvania and 8,724 are in Vermont. Our other two research questions dealt with the farmer's stage of change and possible ways to segment this population. The stage of change portion of our work demonstrates that most Pennsylvania and Vermont farmers are not contemplating ROPS retrofitting in the near future. Since no major differences were found in the stage of change, the number of unprotected tractors was examined for each of the commodity groups. In Pennsylvania, 29% of all unprotected tractors were found on cash crop farms. This trend was even more apparent on smaller farms than large farms. This led to the selection of smaller cash crop farms as the target audience for social marketing messages. In contrast, researchers in Vermont found a bimodal distribution of unprotected tractors. Of all the commodity groups surveyed in Vermont, vegetable and cash crop farmers were least likely to have even one protected tractor to use on the farm. Probably the most encouraging finding from this study is that over 85% of Pennsylvania farms and over 87% of Vermont farms surveyed had at least one tractor available that had ROPS protection. Of those farms, 25.5% of the Pennsylvania farms and 46% of the Vermont farms have ROPS on all of their tractors. Both of these findings were greater than the findings from a 2006 survey of New York State farms, which found that 75% of surveyed New York farms have ROPS on at least one tractor and 18% have ROPS on all tractors. Even with these encouraging data, the goal of 100% of tractors with ROPS is far from being met. There are still an estimated 90,000 unprotected tractors on Pennsylvania and Vermont farms, and these farm owners are currently unmotivated to install ROPS. However as demonstrated in New York State, it may be possible to use social marketing that combines persuasive messages and cost-sharing to persuade these farmers that ROPS are indeed important and accessible.
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Swenson C, Oostema A, Myers M, Kilian A, Close O, Peacock J, Jones J. Direct Medical Costs of Traumatic Lumbar Puncture in the Setting of Possible Subarachnoid Hemorrhage. Ann Emerg Med 2013. [DOI: 10.1016/j.annemergmed.2013.07.191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Schuster J, Myers M, Rosu M, Mukhopadhyay N, Weiss E. Influence of Volumetric Change and Tumor Motion on Inter- and Intrafractional Positional Variations in Frameless Stereotactic Body Radiation Therapy (SBRT) of Lung Tumors. Int J Radiat Oncol Biol Phys 2012. [DOI: 10.1016/j.ijrobp.2012.07.2178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Barss P, Hiscoe L, Myers M, Blackett H, Olsen K. Built environment safety: epidemiology of head and brain injury and fractures from stair falls in Canada. Inj Prev 2012. [DOI: 10.1136/injuryprev-2012-040590e.17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Swinamer S, Fox S, Chu M, Novick R, Quantz M, Myers M, Guo R, McKenzie N, Sy J, Kiaii B. 257 Eight Year Experience With Endoscopic Radial Artery Harvest At A Canadian Centre. Can J Cardiol 2012. [DOI: 10.1016/j.cjca.2012.07.242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Blom K, Baker B, How M, Dai M, Abbey S, Myers M, Abramson B, Irvine J, Perkins N, Tobe S. 904 Hypertension Analysis of Stress Reduction Using Mindfulness Meditation and Yoga: Results From a Randomized Controlled Trial. Can J Cardiol 2012. [DOI: 10.1016/j.cjca.2012.07.744] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Larochelle P, Kollmannsberger C, Feldman RD, Schiffrin EL, Poirier L, Patenaude F, Ruether D, Myers M, Bjarnason G. Hypertension management in patients with renal cell cancer treated with anti-angiogenic agents. ACTA ACUST UNITED AC 2012; 19:202-8. [PMID: 22876146 DOI: 10.3747/co.19.972] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Inhibitors of the vascular endothelial growth factor (vegf-is) signalling pathway have fundamentally changed the treatment of metastatic renal cell carcinoma (mrcc). Hypertension is one of the most common side effects of vegf-is and has been reported with almost every vegf-i used for treatment to date. The exact mechanism of vegf-i-induced hypertension appears complex and multifactorial, and it remains to be fully explained. No randomized clinical trials are available to guide the management of hypertension during vegf-i treatment in mrcc patients. The guiding principles suggested here summarize the consensus of opinions on the diagnosis and management of vegf-i-induced hypertension during treatment of mrcc obtained from an expert working group composed of 4 Canadian medical oncologists and 5 Canadian hypertension specialists. The Canadian Hypertension Education Program guidelines, available literature, and expert opinion were used to develop the guiding principles.
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Stefater MA, MacLennan AJ, Lee N, Patterson CM, Haller A, Sorrell J, Myers M, Woods SC, Seeley RJ. The anorectic effect of CNTF does not require action in leptin-responsive neurons. Endocrinology 2012; 153:2647-54. [PMID: 22518062 PMCID: PMC3359614 DOI: 10.1210/en.2012-1024] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Leptin resistance is a feature of obesity that poses a significant therapeutic challenge. Any treatment that is effective to reduce body weight in obese patients must overcome or circumvent leptin resistance, which promotes the maintenance of excess body fat in obese individuals. Ciliary neurotrophic factor (CNTF) is unique in its ability to reduce food intake and body weight in obese, leptin-resistant humans and rodents. Although attempts to use CNTF as an obesity therapy failed due to the development of neutralizing antibodies to the drug, efforts to understand mechanisms for CNTF's anorectic effects provide an opportunity to develop new drugs for leptin-resistant individuals. CNTF and leptin share several structural, anatomic, and signaling properties, but it is not understood whether or how the two cytokines might interact to affect energy balance. Here, we conditionally deleted the CNTF receptor (CNTFR) subunit, CNTFRα, in cells expressing leptin receptors. We found that CNTFR signaling in leptin-responsive neurons is not required for endogenous maintenance of energy balance and is not required for the anorectic response to exogenous administration of a CNTF agonist. These results indicate that despite anatomical overlap for CNTF and leptin action, CNTF appears to act within a distinct neuronal population to elicit its potent anorectic effect.
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Myers M, Li J, Artibee K, Peltier A. Evaluation of Dermal Myelinated Fibers in Diabetic Polyneuropathy (S07.002). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.s07.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Myers M, Li J, Artibee K, Peltier A. Evaluation of Dermal Myelinated Fibers in Diabetic Polyneuropathy (IN1-1.002). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.in1-1.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Kerr JB, Brogan L, Myers M, Hutt KJ, Mladenovska T, Ricardo S, Hamza K, Scott CL, Strasser A, Findlay JK. The primordial follicle reserve is not renewed after chemical or γ-irradiation mediated depletion. Reproduction 2012; 143:469-76. [PMID: 22301887 DOI: 10.1530/rep-11-0430] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Reports indicate that germ-line stem cells present in adult mice can rapidly generate new oocytes and contribute to the primordial follicle reserve following conditions of ovotoxic stress. We further investigated the hypothesis that adult mice have the capacity to generate new oocytes by monitoring primordial follicle numbers throughout postnatal life and following depletion of the primordial follicle reserve by exposure to doxorubicin (DXR), trichostatin A (TSA), or whole-body γ-irradiation. We show that primordial follicle number remains stable in adult C57BL/6 mice between the ages of 25 and 100 days. However, within 2 days of treatment with DXR or TSA, primordial follicle numbers had declined to 65 and 51% respectively (P<0.05-0.01 when compared to untreated controls), with no restoration of follicle numbers evident after 7 days for either treatment. Furthermore, ovaries from mice subjected to sterilizing doses of γ-irradiation (0.45 or 4.5 Gy) revealed complete ablation of all primordial follicles 5 days after treatment, with no indication of follicular renewal. We conclude that neo-folliculogenesis does not occur following chemical or γ-irradiation mediated depletion of the primordial follicle reserve.
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Chen C, Liu Y, Maruvada S, Myers M, Khismatullin D. Effect of ethanol injection on cavitation and heating of tissues exposed to high-intensity focused ultrasound. Phys Med Biol 2012; 57:937-61. [DOI: 10.1088/0031-9155/57/4/937] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Myers M, Liebler DC. Abstract LB-331: Protein expression signatures of epidermal growth factor receptor inhibition. Cancer Res 2011. [DOI: 10.1158/1538-7445.am2011-lb-331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
We have applied standardized shotgun and multiple reaction monitoring (MRM) proteomic platforms to detect protein expression changes associated with epidermal growth factor receptor (EGFR) stimulation and inhibition in A431 carcinoma cells. These experiments compared proliferating, stimulated (30 nmol EGF, 4h) with cells co-treated with EGF and either cetuximab (10 μg/ml) or gefitinib (500 nmol). The analyses are done by shotgun proteomics with liquid chromatography-tandem mass spectrometry (LC-MS/MS), using isoelectric focusing of peptide mixtures, followed by reverse phase LC-MS/MS on a Thermo LTQ instrument. Protein inventories (≥2 peptides per protein at 5% peptide FDR) for each set were approximately 3800 proteins at < 3% protein FDR. Differential protein expression was estimated by comparison of spectral count data with a generalized linear modeling (GLM) approach. EGF stimulation induced expression changes in 148 proteins. Effects of the inhibitors on this “stimulation signature” were then determined by GLM comparisons of spectral count data for cetuximab- and gefitinib-treated cell proteomes. These analyses identified 13 proteins whose EGF-induced expression was reversed by both drugs, 15 proteins reversed by cetuximab and 57 proteins reversed by gefitinib. Targeted MRM analysis verified differential expression of the 13 proteins reversed by both drugs, which comprise an “EGF inhibition signature”. These include the transcription factors c-Jun and JunD and the cell cycle inhibitor Cip1, which were upregulated by EGF and the protein CCDC50, which was decreased by EGF. MRM analyses also identified EGF-induced protein expression changes that were selectively reversed by either cetuximab or gefitinib. Serum deprivation, rather than EGF stimulation may account for a subset of the 106 protein changes that were not reversed by inhibitors in EGF treated cells. Our analyses also identified 87 and 149 proteins that were not affected by EGF, yet were significantly altered by cetuximab and gefitinib, respectively. Activation of the EGFR axis is typically measured via the phosphorylation status of EGFR tyrosine kinase substrates and downstream targets, but these measurements are difficult to achieve in tissues due to the low abundance of phosphorylated protein forms and the challenge of preserving phosphorylation status during sample preparation. Protein expression changes directed by EGFR activation may provide more robust measures of EGFR activation and inhibition. Ongoing studies will test the hypothesis that an EGF inhibition signature provides an early index of therapeutic responses to EGFR-targeted cancer therapies. (Supported by NIH Grant U54CA126479)
Citation Format: {Authors}. {Abstract title} [abstract]. In: Proceedings of the 102nd Annual Meeting of the American Association for Cancer Research; 2011 Apr 2-6; Orlando, FL. Philadelphia (PA): AACR; Cancer Res 2011;71(8 Suppl):Abstract nr LB-331. doi:10.1158/1538-7445.AM2011-LB-331
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Trikudanathan G, Myers M, Karasik M, Weiser JS. Education and imaging. Gastrointestinal: Successful obliteration of bleeding duodenal varices using band ligation. J Gastroenterol Hepatol 2011; 26:209. [PMID: 21175818 DOI: 10.1111/j.1440-1746.2010.06557.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
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Nagasaka K, Pim D, Massimi P, Thomas M, Tomaić V, Subbaiah VK, Kranjec C, Nakagawa S, Yano T, Taketani Y, Myers M, Banks L. The cell polarity regulator hScrib controls ERK activation through a KIM site-dependent interaction. Oncogene 2010; 29:5311-21. [PMID: 20622900 DOI: 10.1038/onc.2010.265] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The cell polarity regulator, human Scribble (hScrib), is a potential tumour suppressor whose loss is a frequent event in late-stage cancer development. Little is yet known about the mode of action of hScrib, although recent reports suggest its role in the regulation of cell signalling. In this study we show that hScrib is a direct regulator of extracellular signal-regulated kinase (ERK). In human keratinocytes, loss of hScrib results in elevated phospho-ERK levels and concomitant increased nuclear translocation of phospho-ERK. We also show that hScrib interacts with ERK through two well-conserved kinase interaction motif (KIM) docking sites, both of which are also required for ERK-induced phosphorylation of hScrib on two distinct residues. Although wild-type hScrib can downregulate activation of ERK and oncogenic Ras co-transforming activity, an hScrib mutant that lacks the carboxy terminal KIM docking site has no such effects. These results provide a clear mechanistic explanation of how hScrib can regulate ERK signalling and begin to explain how loss of hScrib during cancer development can contribute to disease progression.
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