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67篇 您的检索式:作者名="Valenzano M"
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1Sieving characteristics of cytokine-and peroxide-induced epithelial barrier leak:Inhibition by berberine显示文摘AIM:To study whether the inflammatory bowel disease(IBD)colon which exhibits varying severity and cytokine levels across its mucosa create varying types of transepithelial leak.METHODS:We examined the effects of tumor necrosis factor-α(TNF-α),interferon-γ(IFN-γ),interleukin-1-β(IL1β)and hydrogen peroxide(H_2O_2)-singly and in combinations-on barrier function of CACO-2 cell layers.Our focus was on the type(not simply the magnitude)of transepithelial leak generated by these agents as measured by transepithelial electrical resistance(TER)and transepithelial flux of ^(14)C-D-mannitol,3H-Lactulose and ^(14)C-Polyethylene glycol as radiolabeled probe molecules.The isoquinoline alkaloid,berberine,was then examined for its ability to reduce specific types of transepithelial leak.RESULTS:Exposure to TNF-α alone(200 ng/mL;48 h)induced a 50% decrease in TER,i.e.,increased leak of Na^+ and Cl--with only a marginal but statistically significant increase in transepithelial leak of ^(14)C-mannitol(Jm).Exposure to TNF-α + IFN-γ(200 ng/mL;48 h)+ IL1β(50 ng/mL;48 h)did not increase the TER change(from TNF-α alone),but there was now a 100% increase in J_m.There however was no increase in transepithelial leak of two larger probe molecules,~3H-lactulose and ^(14)C-polyethylene glycol(PEG).However,exposure to TNF-α + IFN-γ + IL1β followed by a 5 h exposure to2 mmol/L H_2O_2 resulted in a 500% increase in ^(14)C-PEG leak as well as leak to the luminal mitogen,epidermal growth factor.CONCLUSION:This model of graded transepithelial leak is useful in evaluating therapeutic agents reducing IBD morbidity by reducing barrier leak to various luminal substances.Katherine M DiGuilio Christina M Mercogliano Jillian Born Brendan Ferraro Julie To Brittany Mixson Allison Smith Mary Carmen Valenzano James M Mullin 2016World Journal of Gastrointestinal Pathophysiology2016,7,2:6
2Transepithelial leak in Barrett's esophagus patients: The role of proton pump inhibitors显示文摘AIM: To determine if the observed paracellular sucrose leak in Barrett's esophagus patients is due to their proton pump inhibitor (PPI) use. METHODS: The in vivo sucrose permeability test was administered to healthy controls, to Barrett's patients and to non-Barrett's patients on continuous PPI therapy. Degree of leak was tested for correlation with presence of Barrett's, use of PPIs, and length of Barrett's segment and duration of PPI use. RESULTS: Barrett's patients manifested a near 3-fold greater, upper gastrointestinal sucrose leak than healthy controls. A decrease of sucrose leak was observed in Barrett's patients who ceased PPI use for 7 d.Although initial introduction of PPI use (in a PPI-na ve population) results in dramatic increase in sucrose leak, long-term, continuous PPI use manifested a slow spontaneous decline in leak. The sucrose leak observed in Barrett's patients showed no correlation to the amount of Barrett's tissue present in the esophagus. CONCLUSION: Although future research is needed to determine the degree of paracellular leak in actual Barrett's mucosa, the relatively high degree of leak observed with in vivo sucrose permeability measurement of Barrett's patients reflects their PPI use and not their Barrett's tissue per se .Christopher Farrell Melissa Morgan Owen Tully Kevin Wolov Keith Kearney Benjamin Ngo Giancarlo Mercogliano James J Thornton Mary Carmen Valenzano James M Mullin 2012World Journal of Gastroenterology2012,18,22:2
3Screening and identi- fication of DNA aptamers to tyramine using in vitro selection and high-throughput sequencing显示文摘Valenzano S De Girolamo A DeRosa M C 2016ACS Comb Sci2016,8,:1
4Feasibility of axillary reverse mapping during sentinel lymph node biopsy in breast cancer patients显示文摘Casabona F Bogliolo S Valenzano Menada M 2009Ann Surg Oncol2009,16,9:1
5Pemetrexed disodi- um in ovarian cancer treatment 显示文摘Morotti M Valenzano Menada M 2012Expert ()pin lnvestig Drugs2012,,:1
6Peripartum cardiomyopathy显示文摘Moioli M Valenzano Menada M Bentivoglio G 0,,02:1
7Vaginalultra2sonographic and hysterosonographic evaluation of the low transverse incision after cesarean section:correlation with gynaecological symptoms显示文摘Menada Valenzano M Lijoi D Mistrangelo E 2006Gynecol Obstet Invest2006,61,4:1
8Feasibility of axillary reverse mapping during sentinel lymph node biopsy in breast cancer patients显示文摘Casabona F Bogliolo S Valenzano Menada M 2009Ann Surg oncol2009,16,9:1
9Peripartum car- diomyopathy 显示文摘Moioli M Valenzano Menada M Bentivoglio G 2009Arch Gynecol Obstet2009,281,:1
10Breast cancer with synchronous massive metastasis in the uterine cervix:a case report and review of the literature显示文摘Bogliolo S Morotti M Valenzano Menada M 2010Arch Gynecol Obstet2010,281,:1
11Color Dopplersonography of uterine arteriovenous malformation 显示文摘Valenzano M Foglia G Tedeschi C 2000Clin Ultrasound2000,28,3:1
12Peripartum cardiomyopathy显示文摘Moioli M Valenzano MM Bentivoglio G 2010Arch Gynecol Obstet2010,281,2:1
13Use of hysterosono graphy in women with abnormal postmenopausal bleeding显示文摘Valenzano M Costantini S Cucuccio S 1999Eur J Gynaecol Oncol1999,20,3:1
14Spon- taneous regression of transplacental metastases from ma- ternal melanoma in a newborn case report and reviewof the literature 显示文摘Valenzano Menada M Moioli M Garaventa A 2010Melanoma Res2010,20,6:1
15A rapid fluorescence polarizationimmunoassay for the determination of T-2 and HT-2 toxins in wheat显示文摘Lippolis V Pascale M Valenzano S 2011AnalBioanal Chem2011,401,25:1
16Feasibility of axillary reverse mapping during sentinel lymph node biopsy in breast cancer patients 显示文摘Casabona F Bogliolo S Valenzano Menada M 2009Ann Surg Oncol2009,16,9:1
17The value of sonohyst-erography in detecting intracavitary benign abnormalities显示文摘VALENZANO M M LIJOI D MISTRANGELO E 2005Arch Gynecol Obstet2005,272,4:1
18Review of security issues in industrial networks显示文摘Cheminod M Durante L Valenzano A 2013IEEE Transactions on Industrial Informatics2013,9,1:1
19Color Doppler sonography of uterine arteriovenous malformation 显示文摘Valenzano M Foglia G Tedeschi C 2000J Clin Ultrasound2000,28,3:1
20Feasibility of axillary reverse mapping during sentinel lymph node biopsy in breast cancer patients显示文摘CASABONA F BOGLIOLO S VALENZANO MENADA M 2009Ann Surg Oncol2009,16,9:1
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