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Jonathan Rodríguez Talavera,Begoña Ballesta Martínez,Melania Santacruz Perez,Manuel Felipe Ravina Pisaca,David Castro Díaz 대한배뇨장애요실금학회 2022 International Neurourology Journal Vol.26 No.S1
Purpose: We tested the hypothesis that the urethral pressure profile, in combination with electromyography of the urethral sphincter, may be useful as a predictor of urinary incontinence after radical prostatectomy (RP). The aim of this study was to assess whether the combination of these tests resulted in an improved tool for the prediction of post-RP urinary incontinence. Methods: Patients with indications for RP were included. The urethral pressure profile, including prostatic and sphincter components for maximum urethral closure pressure (MUCP) and functional urethral length, was recorded in combination with needle electromyography of the urethral sphincter. The mean and maximum amplitude of waves were measured twice: 1 month before RP and 6 months after the procedure. The 1-hour pad test was conducted in parallel with other tests. Patients completed the International Consultation on Incontinence Questionnaire - Short Form (ICIQ-SF). The relationship of the results of the tests with post-RP urinary incontinence was studied. Age, urodynamic parameters, pathologic stage, and surgical technique were recorded for analysis as potential confounding factors. Results: Nineteen patients were included within the 1-year study period. Their mean age was 63 years. According to the 1-hour pad test and ICIQ-SF, 42.1% of the sample had urinary incontinence after RP. Prostate MUCP with the mean and during-stress amplitude of waves predicted post-RP urinary incontinence with a sensitivity of 87.5% (P=0.002) in our model. Age, urodynamic parameters, pathological stage, and surgical technique were not related to incontinence after surgery. Conclusions: The combination of the urethral pressure profile (prostatic MUCP) and electromyography of the urethral sphincter might be a useful prognostic predictor of post-RP urinary incontinence.
Green Synthesis and Radial Breathing Modes in Ti Nanoparticles
R. Britto-Hurtado,M. CORTEZ-VALADEZ,Ramón A. B. Alvarez,P. Horta-Fraijo,J.-G. BOCARANDO-CHACON,R. Gamez-Corrales,A. Perez-Rodríguez,F. Martínez-Suarez,F. Rodríguez-Melgarejo,H. Arizpe-Chavez,M. FLORES 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2015 NANO Vol.10 No.5
This work presents the synthesis of metallic nanoparticles of titanium. The extract from the nopal (Opuntia ficus-indica) plant was used as the redactor agent. The results of transmission electronic microscopy (TEM) show that nanoparticles have a sphere-like shape with an approximate diameter of 1 – 4 nm. The presence of Ti in these particles was corroborated by energy dispersive X-ray spectroscopy (EDS). Optical properties were detected with the presence of absorption bands centered in 295 nm and 355 nm, similar to those reported in the literature. Two Raman bands centered at 359 cm-1 and 404 cm-1 were observed after the synthesis of titanium nanoparticles. Afterwards, structural and vibrational parameters of small clusters of Ti (Tin, n=3 – 13) were analyzed by the density functional theory (DFT) at the B3LYP level of approximation combined with the basis set LANL2DZ. Radial breathing modes (RBMs) were detected in the vibrational spectrum of each cluster, placed around 298 – 387 cm-1.
Milne, Roger L.,Burwinkel, Barbara,Michailidou, Kyriaki,Arias-Perez, Jose-Ignacio,Zamora, M. Pilar,Mené,ndez-Rodrí,guez, Primitiva,Hardisson, David,Mendiola, Marta,Gonzá,lez-Neira, A IRL Press 2014 Human molecular genetics Vol.23 No.22
<P>Candidate variant association studies have been largely unsuccessful in identifying common breast cancer susceptibility variants, although most studies have been underpowered to detect associations of a realistic magnitude. We assessed 41 common non-synonymous single-nucleotide polymorphisms (nsSNPs) for which evidence of association with breast cancer risk had been previously reported. Case-control data were combined from 38 studies of white European women (46 450 cases and 42 600 controls) and analyzed using unconditional logistic regression. Strong evidence of association was observed for three nsSNPs: <I>ATXN7-</I>K264R at 3p21 [rs1053338, per allele OR = 1.07, 95% confidence interval (CI) = 1.04–1.10, <I>P</I> = 2.9 × 10<SUP>−6</SUP>], <I>AKAP9-</I>M463I at 7q21 (rs6964587, OR = 1.05, 95% CI = 1.03–1.07, <I>P</I> = 1.7 × 10<SUP>−6</SUP>) and <I>NEK10-</I>L513S at 3p24 (rs10510592, OR = 1.10, 95% CI = 1.07–1.12, <I>P</I> = 5.1 × 10<SUP>−17</SUP>). The first two associations reached genome-wide statistical significance in a combined analysis of available data, including independent data from nine genome-wide association studies (GWASs): for <I>ATXN7-</I>K264R, OR = 1.07 (95% CI = 1.05–1.10, <I>P</I> = 1.0 × 10<SUP>−8</SUP>); for <I>AKAP9-</I>M463I, OR = 1.05 (95% CI = 1.04–1.07, <I>P</I> = 2.0 × 10<SUP>−10</SUP>). Further analysis of other common variants in these two regions suggested that intronic SNPs nearby are more strongly associated with disease risk. We have thus identified a novel susceptibility locus at 3p21, and confirmed previous suggestive evidence that rs6964587 at 7q21 is associated with risk. The third locus, rs10510592, is located in an established breast cancer susceptibility region; the association was substantially attenuated after adjustment for the known GWAS hit. Thus, each of the associated nsSNPs is likely to be a marker for another, non-coding, variant causally related to breast cancer risk. Further fine-mapping and functional studies are required to identify the underlying risk-modifying variants and the genes through which they act.</P>