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( Pelayo Correa ),( M. Blanca Piazuelo ) The Editorial Office of Gut and Liver 2012 Gut and Liver Vol.6 No.1
The genome of the bacterium Helicobacter pylori has evolved over the millennia since its migration out of Africa along with its human host approximately 60,000 years ago. Human migrations, after thousands of years of permanent settlement in those lands, resulted in seven prototypes of genetic populations of H. pylori with distinct geographical distributions. In all continents, present day isolates of H. pylori have molecular markers that refl ect population migrations. The colonization of the Americas as well as the slave trade introduced European and African strains to the New World. The relationship between H. pylori genome and gastric cancer rates is linked to the presence of the cagA gene, but the knowledge on this subject is incomplete because other genes may be involved in certain populations. A new situation for Homo sapiens is the absence of H. pylori colonization in certain, mostly affluent, populations, apparently brought about by improved home sanitation and widespread use of antibiotics during the last decades. The disappearance of H. pylori from the human microbiota may be linked to emerging epidemics of esophageal adenocarcinoma, some allergic diseases such as asthma and some autoimmune disorders. (Gut Liver 2012;6:21-28)
Mallyolo Eliezer Pelayo-Salazar,Héctor Alfredo Montenegro-Rosales,Jorge Luis Balderrama-Bañares,Pablo Martínez-Arellano,Omar Andrés Campos-Flota,Laura Mestre-Orozco,Julio César López-Valdés 대한뇌혈관외과학회 2023 Journal of Cerebrovascular and Endovascular Neuros Vol.25 No.1
Objective: Arteriovenous malformations (AVMs) are benign congenital lesions. The estimated prevalence is 10-18 per 100,000 individuals, with an incidence rate of 1.1-1.4 per 100,000 person-year; only 12% of AVMs present symptoms during life. It is important to study different characteristics associated with AVMs because these patients require multidisciplinary treatment. Methods: A descriptive, observational, longitudinal, and retrospective study was carried out from January 15, 2016 to October 19, 2021. Convenience sampling was used on patients diagnosed with arteriovenous malformation. Sociodemographic data was obtained, such as: sex, age, site, predominant symptoms, clinical debut, type of malformation, data associated with post therapy evolution, type of embolizing agent used, associated complications, Rankin scale, and death. Results: Data from 535 procedures was collected, we calculated an incidence of 4.4 cases per million inhabitants. Ninety procedures in 56 patients that used endovascular therapy were obtained with a female-male ratio of 0.75 and an age distribution of 35±14 (SD). A 36.3±11.5 (SD) mm diameter was registered. There was a 33% success rate for endovascular surgery. Conclusions: The multidisciplinary treatment of AVMs is made up of three pillar techniques: microsurgical resection, embolization, and radio-neurosurgery. It is extremely important to make an appropriate decision, with an emphasis on achieving better functional outcomes for the patient. Although neurological endovascular therapy was initially used as an adjuvant treatment for neurosurgery and radio-neurosurgery, it has been used more and more frequently as the first line of treatment.
High Efficiency Colloidal Quantum Dot Photovoltaics via Robust Self-Assembled Monolayers
김기환,F. Pelayo Garcia de Arquer,윤영진,Xinzheng Lan,Mengxia Liu,Oleksandr Voznyy,Zhenyu Yang,Fengjia Fan,Alexander H. Ip,Pongsakorn Kanjanaboos,Sjoerd Hoogland,김진영,Edward H. Sargent 한국고분자학회 2016 한국고분자학회 학술대회 연구논문 초록집 Vol.41 No.1
Nutrient-derived Dietary Patterns and Risk of Colorectal Cancer: a Factor Analysis in Uruguay
Stefani, Eduardo De,Ronco, Alvaro L.,Boffetta, Paolo,Deneo-Pellegrini, Hugo,Correa, Pelayo,Acosta, Gisele,Mendilaharsu, Maria Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.1
In order to explore the role of nutrients and bioactive related substances in colorectal cancer, we conducted a case-control in Uruguay, which is the country with the highest production of beef in the world. Six hundred and eleven (611) cases afflicted with colorectal cancer and 1,362 controls drawn from the same hospitals in the same time period were analyzed through unconditional multiple logistic regression. This base population was submitted to a principal components factor analysis and three factors were retained. They were labeled as the meat-based, plant-based, and carbohydrates patterns. They were rotated using orthogonal varimax method. The highest risk was positively associated with the meat-based pattern (OR for the highest quartile versus the lowest one 1.63, 95 % CI 1.22-2.18, P value for trend = 0.001), whereas the plant-based pattern was strongly protective (OR 0.60, 95 % CI 0.45-0.81, P value for trend <0.0001. The carbohydrates pattern was only positively associated with colon cancer risk (OR 1.46, 95 % CI 1.02-2.09). The meat-based pattern was rich in saturated fat, animal protein, cholesterol, and phosphorus, nutrients originated in red meat. Since herocyclic amines are formed in the well-done red meat through the action of amino acids and creatine, it is suggestive that this pattern could be an important etiologic agent for colorectal cancer.
High-Efficiency Colloidal Quantum Dot Photovoltaics via Robust Self-Assembled Monolayers
Kim, Gi-Hwan,Garcí,a de Arquer, F. Pelayo,Yoon, Yung Jin,Lan, Xinzheng,Liu, Mengxia,Voznyy, Oleksandr,Yang, Zhenyu,Fan, Fengjia,Ip, Alexander H.,Kanjanaboos, Pongsakorn,Hoogland, Sjoerd,Kim, Jin American Chemical Society 2015 NANO LETTERS Vol.15 No.11
Effect of Storage at 10OC on Aroma of Tomato (Lycopersicon esculentum) Saladet Grown in Mexico
Fernando Diaz de Leon-Sanchez,Lucia Lopez,Fernando Rivera-Cabrera,Clara Pelayo-Zaldivar,Hector B. Escalona,Beatriz Buentello,Francisco J. Fernandez,Adolfo Garcia,Laura J. Perez-Flores 한국원예학회 2006 한국원예학회 기타간행물 Vol.- No.-
Diet Patterns and Risk of Squamous Cell Oesophageal Carcinoma: A Case-control Study in Uruguay
De Stefani, Eduardo,Deneo-Pellegrini, Hugo,Ronco, Alvaro L.,Boffetta, Paolo,Correa, Pelayo,Mendilaharsu, Maria,Acosta, Gisele,Quarneti, Aldo,Silva, Cecilia Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.6
Background: Oesophageal cancer presents high incidence rates in the so-called Brazilian-Uruguayan belt. Materials and Methods: The present study included 1,170 participants (234 cases and 936 controls) which were analyzed by unconditional multiple logistic regression in order to examine risk of oesophageal squamous cell carcinoma (OESCC) associated with several food groups. Results: Boiled red meat (OR 2.59, 95%CI 1.69-3.97), lamb meat (OR 1.64, 95%CI 1.07-2.51), processed meat (OR 1.49, 95%CI 1.01-2.21), whole milk (OR 1.78, 1.19-1.68), fresh vegetables and fruits (OR 0.42, 95%CI 0.27-0.63), mate consumption (OR 2.04, 95%CI 1.32-3.16), and black tea (OR 0.10, 95%CI 0.04-0.28) were significantly associated with risk of OESCC. Conclusions: Hot beverages (mate) and hot foods (boiled meat) appear to be important determinants in the risk of OESCC, allowing the penetration of carcinogens in tobacco and alcohol into the oesophageal mucosa.