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| 1 | Circular smooth muscle contributes to esophageal shortening during peristalsis显示文摘AIM:To study the angle between the circular smooth muscle(CSM) and longitudinal smooth muscle(LSM) fibers in the distal esophagus.METHODS:In order to identify possible mechanisms for greater shortening in the distal compared to proximal esophagus during peristalsis,the angles between the LSM and CSM layers were measured in 9 cadavers.The outer longitudinal layer of the muscularis propria was exposed after stripping the outer serosa.The inner circular layer of the muscularis propria was then revealed after dissection of the esophageal mucosa and the underlying muscularis mucosa.Photographs of each specimen were taken with half of the open esophagus folded back showing both the outer longitudinal and inner circular muscle layers.Angles were measured every one cm for 10 cm proximal to the squamocolumnar junction(SCJ) by two independent investigators.Two human esophagi were obtained from organ transplant donors and the angles between the circular and longitudinal smooth muscle layers were measured using micro-computed tomography(micro CT) and Image J software.RESULTS:All data are presented as mean ± SE.The CSM to LSM angle at the SCJ and 1 cm proximal to SCJ on the autopsy specimens was 69.3 ± 4.62 degrees vs 74.9 ± 3.09 degrees,P = 0.32.The CSM to LSM angle at SCJ were statistically significantly lower than at 2,3,4 and 5 cm proximal to the SCJ,69.3 ± 4.62 degrees vs 82.58 ± 1.34 degrees,84.04 ± 1.64 degrees,84.87 ± 1.04 degrees and 83.72 ± 1.42 degrees,P = 0.013,P = 0.008,P = 0.004,P = 0.009 respectively.The CSM to LSM angle at SCJ was also statistically significantly lower than the angles at 6,7 and 8 cm proximal to the SCJ,69.3 ± 4.62 degrees vs 80.18 ± 2.09 degrees,81.81 ± 1.75 degrees and 80.96 ± 2.04 degrees,P = 0.05,P = 0.02,P = 0.03 respectively.The CSM to LSM angle at 1 cm proximal to SCJ was statistically significantly lower than at 3,4 and 5 cm proximal to the SCJ,74.94 ± 3.09 degrees vs 84.04 ± 1.64 degrees,84.87 ± 1.04 degrees and 83.72 ± 1.42 degrees,P = 0.019,P = 0.008,P = 0.02 respectively.At 10 cm above SCJ the angle was 80.06 ± 2.13 degrees which is close to being perpendicular but less than 90 degrees.The CSM to LSM angles measured on virtual dissection of the esophagus and the stomach on micro CT at the SCJ and 1 cm proximal to the SCJ were 48.39 ± 0.72 degrees and 50.81 ± 1.59 degrees.Rather than the angle of the CSM and LSM being perpendicular in the esophagus we found an acute angulation between these two muscle groups throughout the lower 10 cm of the esophagus.CONCLUSION:The oblique angulation of the CSM may contribute to the significantly greater shortening of distal esophagus when compared to the mid and proximal esophagus during peristalsis. | Anil K Vegesna Keng-Yu Chuang Ramashesai Besetty Steven J Phillips Alan S Braverman Mary F Barbe Michael R Ruggieri Larry S Miller | 2012 | World Journal of Gastroenterology2012,18,32: | 7 |
| 2 | Ileocecal valve dysfunction in small intestinal bacterial overgrowth: A pilot study显示文摘AIM: To explore whether patients with a defective ileocecal valve (ICV)/cecal distension reflex have small intestinal bacterial overgrowth. METHODS: Using a colonoscope, under conscious sedation, the ICV was intubated and the colonoscope was placed within the terminal ileum (TI). A manometry catheter with 4 pressure channels, spaced 1 cm apart, was passed through the biopsy channel of the colonoscope into the TI. The colonoscope was slowly withdrawn from the TI while the manometry catheter was advanced. The catheter was placed across the ICV so that at least one pressure port was within the TI, ICV and the cecum respectively. Pressures were continuously measured during air insufflation into the cecum, under direct endoscopic visualization, in 19 volunteers. Air was insufflated to a maximum of 40 mmHg to prevent barotrauma. All subjects underwent lactulose breath testing one month after the colonoscopy. The results of the breath tests were compared with the results of the pressures within the ICV during air insufflation. RESULTS: Nineteen subjects underwent colonoscopy with measurements of the ICV pressures after intubation of the ICV with a colonoscope. Initial baseline readings showed no statistical difference in the pressures of the TI and ICV, between subjects with positive lactulose breath tests and normal lactulose breath tests. The average peak ICV pressure during air insufflation into the cecum in subjects with normal lactu-lose breath tests was significantly higher than cecal pressures during air insufflation (49.33 ± 7.99 mmHg vs 16.40 ± 2.14 mmHg, P = 0.0011). The average percentage difference of the area under the pressure curve of the ICV from the cecum during air insufflations in subjects with normal lactulose breath tests was significantly higher (280.72% ± 43.29% vs 100% ± 0%, P = 0.0006). The average peak ICV pressure during air insufflation into the cecum in subjects with positive lactulose breath tests was not significantly different than cecal pressures during air insufflation 21.23 ± 3.52 mmHg vs 16.10 ± 3.39 mmHg. The average percentage difference of the area under the pressure curve of the ICV from the cecum during air insufflation was not significantly different 101.08% ± 7.96% vs 100% ± 0%. The total symptom score for subjects with normal lactulose breath tests and subjects with positive lactu-lose breath tests was not statistically different (13.30 ± 4.09 vs 24.14 ± 6.58). The ICV peak pressures during air insufflations were significantly higher in subjects with normal lactulose breath tests than in subjects with positive lactulose breath tests (P = 0.005). The average percent difference of the area under the pressure curve in the ICV from cecum was significantly higher in subjects with normal lactulose breath tests than in subjects with positive lactulose breath tests (P = 0.0012). Individuals with positive lactulose breath tests demonstrated symptom scores which were significantly higher for the following symptoms: not able to finish normal sized meal, feeling excessively full after meals, loss of appetite and bloating. CONCLUSION: Compared to normal, subjects with a positive lactulose breath test have a defective ICV cecal distension reflex. These subjects also more commonly have higher symptom scores. | Larry S Miller Anil K Vegesna Aiswerya Madanam Sampath Shital Prabhu Sesha Krishna Kotapati Kian Makipour | 2012 | World Journal of Gastroenterology2012,18,46: | 3 |
| 3 | The mechanism of enzyme in the collagen extracting 显示文摘 | MILLER E J RHODES R K | 1982 | Methods in enzymology1982,82,: | 2 |
| 4 | Contemporary meta-analysis of short-term probiotic consumption on gastrointestinal transit显示文摘AIM: To determine the efficacy of probiotic supplementation on intestinal transit time(ITT) in adults and to identify factors that influence these outcomes. METHODS: We conducted a systematic review of randomized controlled trials of probiotic supplementation that measured ITT in adults. Study quality was assessed using the Jadad scale. A random effects meta-analysis was performed with standardized mean difference(SMD) of ITT between probiotic and control groups as the primary outcome. Meta-regression and subgroup analyses examined the impact of moderator variables on SMD of ITT.RESULTS: A total of 15 clinical trials with 17 treatment effects representing 675 subjects were included in this analysis. Probiotic supplementation was moderately efficacious in decreasing ITT compared to control, with an SMD of 0.38(95%CI: 0.23-0.53, P < 0.001). Subgroup analyses demonstrated statistically greater reductions in ITT with probiotics in subjects with vs without constipation(SMD: 0.57 vs 0.22, P < 0.01) and in studies with high vs low study quality(SMD: 0.45 vs 0.00, P = 0.01). Constipation(R^2 = 38%, P < 0.01), higher study quality(R^2 = 31%, P = 0.01), older age(R^2 = 27%, P = 0.02), higher percentage of female subjects(R^2 = 26%, P = 0.02), and fewer probiotic strains(R^2 = 20%, P < 0.05) were predictive of decreased ITT with probiotics in meta-regression. Medium to large treatment effects were identified with B. lactis HN019(SMD: 0.67, P < 0.001) and B. lactis DN-173 010(SMD: 0.54, P < 0.01) while other probiotic strains yielded negligible reductions in ITT relative to control.CONCLUSION: Probiotic supplementation is moderately efficacious for reducing ITT in adults. Probiotics were most efficacious in constipated subjects, when evaluated in high-quality studies, and with certain probiotic strains. | Larry E Miller Angela K Zimmermann Arthur C Ouwehand | 2016 | World Journal of Gastroenterology2016,22,21: | 2 |
| 5 | T lymphocyte-directed gene therapy for ADA-SCID:initial trial results after 4 years显示文摘 | Blaese R M Culver K W Miller A D | 1995 | Science1995,270,5235: | 2 |
| 6 | 视网膜单细胞成像技术研究显示文摘建立了一台基于37单元变形镜、Shack-hartman波前像差传感器和12位科研级CCD相机的自适应光学视网膜相机。采用一个中心波长为679nm的超辐射二极管(SLD)作为相机的光源,通过将超辐射二极管和多模光纤耦合,显著减小了SLD光源的空间相干性,从而消除了散斑噪声对成像的影响。多模光纤的输出提供了一种高亮度、均匀照明的光源,使人眼视网膜单细胞成像的速度达到4.8幅 秒。 | 屈军乐 JONNAL R S THORN K E MILLER D T | 2004 | 激光生物学报2004,13,3: | 2 |
| 7 | Label-retaining liver cancer cells are relatively resistant to sorafenib显示文摘 | Hong-Wu Xin Chenwi M Ambe Danielle M Hari Gordon W Wiegand Tyler C Miller Jin-Qiu Chen Andrew J Anderson Satyajit Ray John E Mullinax Tomotake Koizumi Russell C Langan Douglas Burka Michelle A Herrmann Paul K Goldsmith Alexander Stojadinovic Udo Rudloff S | 2013 | Gut2013,,12: | 2 |
| 8 | Inhibition of Apoptotic Signaling and Neointimal Hyperplasia by Tempol and Nitric Oxide Synthase following Vascular Injury显示文摘 | Jagadeesha Dammanahalli K Miller Jr Francis J Bhalla Ramesh C | 2009 | Journal of Vascular Research2009,,2: | 2 |
| 9 | Tumoricidal activity of tumor necrosis factor-related apoptosis-inducing ligand in vivo显示文摘 | Walczak H Miller RE Ariail K | 1999 | Nat Med1999,5,2: | 1 |
| 10 | Reduced risks of death and CHF are associated with statin therapy administered acutely within the first 24 h of AMI显示文摘 | Wright RS Bybee K Miller WL | 2006 | Int J Cardiol2006,108,3: | 1 |
| 11 | Fest,easy, solvent-free, microwave-promoted Michael addition of anilines to α、β-unsaturated alkenes: synthesis of N-aryl functionalized β-amino esters and acids 显示文摘 | Amore K M Leadbeater N E Miller T A | 2006 | Tetrahedron Letters2006,47,48: | 1 |
| 12 | Lipid specificity and location of the sterol carrier protein-2 fatty acidbinding site: A fluorescence displacement and energy transfer study 显示文摘 | FROLOV A MILLER K SCHROEDER F | 1997 | Lipids1997,32,11: | 1 |
| 13 | Super-reltron theory and experiments显示文摘 | Miller R B McCullough W F Lancaster K T | 1992 | IEEE Transactions on Plasma Science1992,20,3: | 1 |
| 14 | The fatigue limit and its elimination显示文摘 | Miller K J O' Donnell J | 1999 | Fatigue & Fracture of Engineering Materials & Structures1999,22,: | 1 |
| 15 | Preclinical Assessment to Hypocrellin B and Hypocrellin B Derivatives as Sensitizers for Photodymic Therapy of Cancer:Progress Update显示文摘 | Brown K Ballangrud A Metal | 1997 | Photochemistry and Photobiology1997,65,4: | 1 |
| 16 | A comparison between highfinx and plain robes,boiling pentane in a Horizontal Kettle Reboiler显示文摘 | Burnside B M Miller K M Tarrad A H | 2002 | Applied Thermal Engineering2002,22,7: | 1 |
| 17 | On Volterra's population equation显示文摘 | | 1996 | SIAM J on Appl Math1996,14,: | 1 |
| 18 | APFIM and AEM Investigation of CF8 and CF8M Primary Coolant Pipe Steels 显示文摘 | Miller M K Bentley J | 1990 | Materials Science and Technology1990,6,3: | 1 |
| 19 | T lymphocyte-directed gene therapy for ADA--SCID:initial trial results after 4 years显示文摘 | Blaese R M Culver K W Miller A D | 1995 | Science1995,270,: | 1 |
| 20 | An integra-differential equation technique for the time domain analysis of thin-wire structures 显示文摘 | MILLER E K | 1973 | Journal of Computational Physics1973,12,: | 1 |