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| 1 | Visceral hypersensitivity and electromechanical dysfunction as therapeutic targets in pediatric functional dyspepsia显示文摘Functional gastrointestinal disorders(FGID) are common clinical syndromes diagnosed in the absence of biochemical,structural,or metabolic abnormalities. They account for significant morbidity and health care expenditures and are identifiable across variable age,geography,and culture. Etiology of abdominal pain associated FGIDs,including functional dyspepsia(FD),remains incompletely understood,but growing evidence implicates the importance of visceral hypersensitivity and electromechanical dysfunction. This manuscript explores data supporting the role of visceral hypersensitivity and electromechanical dysfunction in FD,with focus on pediatric data when available,and provides a summary of potential therapeutic targets. | John M Rosen Jose T Cocjin Jennifer V Schurman Jennifer M Colombo Craig A Friesen | 2014 | World Journal of Gastrointestinal Pharmacology and Therapeutics2014，5，3： | 16 |
| 2 | Therapeutic effect of melatonin on pediatric functional dyspepsia: A pilot study显示文摘AIM: To study the effectiveness of melatonin vs placebo in children with functional dyspepsia(FD).METHODS: The study was conducted as a double blind, randomized, placebo controlled crossover trial. Subjects were aged 8-17 years and diagnosed with FD based on Rome Ⅲ criteria. All subjects had failed to respond to 4 wk of acid suppression. Subjects receive a continuous two weeks of placebo and a continuous two weeks of melatonin in an order blinded to the participant and the study team. A Global Clinical Score was obtained to assess changes in abdominal pain. Pain was self-reported to be worse(grade 1), no change(grade 2), moderate improvement(grade 3), good(grade 4; minimal pain and not interfering with daily activities), or excellent(grade 5; no pain), respectively. A positive clinical response was defined as a grade 3 or greater response. Subjects wore an actigraph to assess sleep during a one week baseline period and during each treatment period. Subjects' sleep latency and total sleep time were recorded throughout the duration of the study. RESULTS: Fourteen subjects were enrolled and 12 completed the study. One withdrew prior to starting both melatonin and placebo and the other before starting melatonin. A positive clinical response(grade 3-5) was achieved in 42% of subjects on melatonin vs 50% of subjects on placebo(NS). Effect size was calculated and revealed a Cohen's D of 0.343 which demonstrates a medium effect favoring placebo. A grade 4 or grade 5 response was seen in 4 patients on melatonin and 5 patients on placebo. Baseline sleep parameters were in the healthy range with the longest sleep latency being just over 20 min(mean 7.46 ± 8.53 min) and the shortest sleep duration just over 7 h(mean 10.09 ± 2.72 h). The mean latency did not differ between periods of treatment with melatonin as compared to placebo(4.48 ± 6.45 min vs 3.58 ± 4.24 min; NS). The mean sleep duration did not differ between periods of treatment with melatonin as compared to placebo(9.90 ± 3.53 h vs 9.41 ± 2.70 h; NS).CONCLUSION: Melatonin does not appear to have efficacy in relieving pain in unselected pediatric FD. Future studies should consider FD subtypes, pathophysiologic mechanisms, and baseline sleep disturbances. | Katherine Zybach Craig A Friesen Jennifer V Schurman | 2016 | World Journal of Gastrointestinal Pharmacology and Therapeutics2016，7，1： | 6 |
| 3 | Eosinophils and mast cells as therapeutic targets in pediatric functional dyspepsia显示文摘There is an increasing appreciation for the importance of inflammation as a pathophysiologic entity that contributes to functional gastrointestinal disorders including functional dyspepsia(FD).Importantly,inflammation may serve as a mediator between psychologic and physiologic functions.This manuscript reviews the literature implicating two inflammatory cell types,mast cells and eosinophils,in the generation of dyspeptic symptoms and explores their potential as targets for the treatment of FD.There are a number of inciting events which may initiate an inflammatory response,and the subsequent recruitment and activation of mast cells and eosinophils.These include internal triggers such as stress and anxiety,as well as external triggers such as microbes and allergens.Previous studies suggest that there may be efficacy in utilizing medications directed at mast cells and eosinophils.Evidence exists to suggest that combining 'anti-inflammatory' medications with other treatments targeting stress can improve the rate of symptom resolution in pediatric FD. | Craig A Friesen Jennifer V Schurman Jennifer M Colombo Susan M Abdel-Rahman | 2013 | World Journal of Gastrointestinal Pharmacology and Therapeutics2013，4，4： | 4 |
| 4 | Present state and future challenges in pediatric abdominal pain therapeutics research: Looking beyond the forest显示文摘At the present time, it is nearly impossible to treat pediatric functional gastrointestinal disorders associated with pain in an evidence based fashion. This is due to the overall lack of controlled studies and, even more importantly, the complexity of the contributors to disease phenotype which are not controlled or accounted for in most therapeutic trials. In this manuscript, we review the challenges of defining entry criteria, controlling for the large number of biopsychosocial factors which may effect outcomes, and understanding pharmacokinetic and pharmacodynamic factors when designing therapeutic trials for abdominal pain in children. We also review the current state of pediatric abdominal pain therapeutics and discuss trial design considerations as we move forward. | Craig A Friesen Jennifer V Schurman Susan M Abdel-Rahman | 2015 | World Journal of Gastrointestinal Pharmacology and Therapeutics2015，6，4： | 3 |
| 5 | Symptoms and Subtypes in Pediatric Functional Dyspepsia: Relation to Mucosal Inflammation and Psychological Functioning显示文摘 | Jennifer V Schurman Meenal Singh Vivekanand Singh Nancy Neilan Craig A Friesen | 2010 | Journal of Pediatric Gastroenterology and Nutrition2010，，3： | 2 |
| 6 | Lymphoepithelial cysts and cystic lymphangiomas: Underrecognized benign cystic lesions of the pancreas显示文摘AIM: To identify their diagnostic and prognostic clinical characteristics in a large series.METHODS: Retrospective review of clinicopathologic and imaging characteristics of patients diagnosed with lymphoepithelial cysts and cystic lymphangiomas of the pancreas at Massachusetts General Hospital.RESULTS: Twelve patients were identified between 1/1/1997 and 8/1/2007. Their median age was 55.5 years(range 19-78 years), and 6 were females. The le-sion was incidentally discovered in half of the patients.Contrast enhanced computed tomography demonstrat-ed that the cysts had thin walls, without calcifications, pancreatic duct dilation or pancreatic parenchyma inva-sion. Endoscopic ultrasound with fine needle aspiration(EUS/FNA) confirmed the diagnosis of a lymphoepithe-lial cyst in 3 patients, one of whom was spared an op-eration and continues to do well after 6 years. Eleven patients had a resection: 3 pancreaticoduodenecto-mies, 7 distal pancreatectomies, and 1 enucleation. The median size of the cysts was 3 cm(range 2-20 cm). At a median follow-up of 57 mo no recurrences or other pancreas-related conditions occurred.CONCLUSION: Lymphoepithelial cysts and cystic lymphangiomas of the pancreas can be diagnosed with a combination of contrast-enhanced computed tomog-raphy scans and EUS/FNA. If the lesion is asymptom-atic, an operation might be avoided. | Ioannis T Konstantinidis Avinash Kambadakone Onofrio A Catalano Dushyant V Sahani Vikram Deshpe David G Forcione Jennifer A Wargo Carlos Fernandez-del Castillo Keith D Lillemoe Andrew L Warshaw Cristina R Ferrone | 2014 | World Journal of Gastrointestinal Surgery2014，6，7： | 2 |
| 7 | Liver myofibroblasts activate protein C and respond to activated protein C显示文摘AIM:To study the protein C activation system in human liver myofibroblasts,and the effects of activated protein C(APC)on these cells.METHODS:Human liver myofibroblasts were obtained by outgrowth.Expression of protease activated receptor 1(PAR-1),endothelial protein C receptor(EPCR) and thrombomodulin(TM)was analyzed by flow cytometry.Extracellular signal-regulated kinase(ERK)1/2 activation was assessed by Western blotting using anti-phospho-ERK antibodies.Collagen synthesis was studied with real-time reverse transcription-polymerase chain reaction(RT-PCR).Activation of protein C was studied by incubating liver myofibroblasts with zymogen protein C in the presence of thrombin and detecting the generation of APC with a colorimetric assay using a peptide substrate. RESULTS:Primary cultures of human liver myofibroblasts expressed EPCR on their surface,together with PAR-1 and TM.This receptor system was functional since exposure of myofibroblasts to APC inducedERK1/2 phosphorylation in a dose-and time-dependent manner.Furthermore,APC significantly upregulated the expression of collagen mRNA,as shown by real-time RT-PCR.Collagen upregulation was controlled through the ERK pathway as it was inhibited when using the mitogen-activated protein/extracellular signal-regulated kinase kinase inhibitor PD98059.Finally,using a cell-based colorimetric assay,we showed that intact myofibroblasts converted protein C into APC in the presence of thrombin.CONCLUSION:These data suggest that APC is a new modulator of liver myofibroblast activity and contributes to the pathophysiology of chronic liver diseases. | Jennifer Gillibert-Duplantier Anne Rullier Véronique Neaud Walter Kisiel Jean Rosenbaum | 2010 | World Journal of Gastroenterology2010，16，2： | 2 |
| 8 | Supplier risk assessment and monitoring for the automotive industry显示文摘 | Jennifer V Blackhurst Kevin P Scheibe Danny J Johnson | 2008 | International Journal of Physical Distribution & Logistics Management2008，38，2： | 1 |
| 9 | Use Of a polymerase chain reaction assay with Eperythrozoon wenyoni in cattle 显示文摘 | Jennifer M Vandervoort D V M Candace Bourne | 2001 | J Am Vet Med Assoc2001，219，： | 1 |
| 10 | Imagining Stereotypes Away: The Moderation of Implicit Stereotypes Through Mental Imagery 显示文摘 | Irene V Blair Jennifer E Ma Alison P Lenton | 2001 | Journal of Personality and Social Psychology2001，，81： | 1 |
| 11 | The impact of diabetes on left ventricular filling pattern in normotensive and hypertensive adults: the strong heart study显示文摘 | Jennifer E Liu Vittorio Palmieri Mary J Roman Jonanthan N Bella Richard Fabsitz Barbara V Howard Thomas K Welty Elisa T Lee Richard B Devereux | 2001 | Journal of the American College of Cardiology2001，，7： | 1 |
| 12 | In situ fiber optic method for long-term in vitro release testing of microspheres显示文摘 | Jennifer M V Banu S Z Diane J B | | 0，，1： | 1 |
| 13 | A method for assessing hydrologic alteration within ecosystems显示文摘 | Brian D Richter Jeffrey V Baumgartner Jennifer Powell | 1996 | Conservation Biology1996，10，4： | 1 |
| 14 | Macroalgal blooms in shallow estuaries: Controls and ecophysiologieal and ecosystems consequences显示文摘 | IVAN V JAMES M JENNIFER H | 1997 | Limnology and Oceanography1997，42，5： | 1 |
| 15 | Regulation of gene expression by activation of the peroxisome proliferator-activated receptor gamma with rosiglitazone (BRL 49653) in human adipocytes显示文摘 | Jennifer R Johan A Hubert V | 1999 | Biochem Biophys Res Commun1999，26，2： | 1 |
| 16 | A new image : online communities to facili- tate teacher professional development显示文摘 | Lock Jennifer V | 2006 | Journal of Technol- ogy and Teacher Education2006，14，4： | 1 |
| 17 | Health literacy and knowledge of chronic disease显示文摘 | Julie A Gazmararian Mark V Williams Jennifer Peel David W Baker | 2002 | Patient Education and Counseling2002，，3： | 1 |
| 18 | An Intervention to Reduce HIV-Related Stigma in Partnership With African American and Latino Churches显示文摘 | Derose Kathryn Pitkin Bogart Laura M. Kanouse David E. Felton Alexandria Collins Deborah Owens Mata Michael A. Oden Clyde W. Domínguez Blanca X. Flórez Karen R. Hawes-Dawson Jennifer Williams Malcolm V | 2014 | AIDS Education and Prevention2014，，1： | 1 |
| 19 | Parameters affecting the efficiency of Agrobacterium tumefacier-mediated transformation of Colletotrichum graminicola显示文摘 | Jennifer L F Lisa J V | 2005 | Curr Genet2005，48，： | 1 |
| 20 | Potent and persistent in vivo anti-HBV activity of chemically modified siRNAs显示文摘 | David V Morrissey Jennifer A Lockridge Lucinda Shaw | 2005 | Nature Biotechnology2005，23，8： | 1 |
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