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Robert F Centeno, Constantino G Mendieta
No abstract text is available yet for this article.
April 2018: Clinics in Plastic Surgery
Constantino G Mendieta, Aditya Sood
The buttock area has received much media attention in recent years, which has produced increased patient demand for buttock reshaping or contouring and augmentation. Increasing patient demand has necessitated a more structured approach to evaluation of gluteal anatomy and the development of surgical procedures to enhance its beauty.
April 2018: Clinics in Plastic Surgery
Natalia Moreno-Galarza, Liliana Mendieta, Victoria Palafox-Sánchez, Mireia Herrando-Grabulosa, Carles Gil, Daniel I Limón, José Aguilera
Several studies have shown that intrastriatal application of 1-methyl-4-phenylpyridinium (MPP+ ) produces similar biochemical changes in rat to those seen in Parkinson's disease (PD), such as dopaminergic terminal degeneration and consequent appearance of motor deficits, making the MPP+ lesion a widely used model of parkinsonism in rodents. Previous results from our group have shown a neuroprotective effect of the carboxyl-terminal domain of the heavy chain of tetanus toxin (Hc-TeTx) under different types of stress...
February 19, 2018: Neurotoxicity Research
Marcelo Assis, Eloisa Cordoncillo, Rafael Torres-Mendieta, Héctor Beltrán-Mir, Gladys Mínguez-Vega, Regiane Oliveira, Edson R Leite, Camila C Foggi, Carlos E Vergani, Elson Longo, Juan Andrés
In recent years, complex nanocomposites formed by Ag nanoparticles coupled to an α-Ag2WO4 semiconductor network have emerged as promising bactericides, where the semiconductor attracts bacterial agents and Ag nanoparticles neutralize them. However, the production rate of such materials has been limited to transmission electron microscope processing, making it difficult to cross the barrier from basic research to real applications. The interaction between pulsed laser radiation and α-Ag2WO4 has revealed a new processing alternative to scale up the production of the nanocomposite resulting in a 32-fold improvement of bactericidal performance, and at the same time obtaining a new class of spherical AgxWyOz nanoparticles...
January 30, 2018: Scientific Reports
Ligia Marcela Portillo Canizalez, Gerardo Blanco Rodriguez, Gustavo Teyssier Morales, Jaime Penchyna Grub, Sean Trauernicht Mendieta, Jessie Nallely Zurita-Cruz
BACKGROUND: Multiple intestinal preparations have been used in children undergoing colonoscopy, with variable limitation due to acceptance, tolerance, and proper cleaning. The objective of this study was to compare the tolerability, safety and efficacy of the colonoscopy preparation with 1 day with PEG 3350 (poliethylenglycol) (4g/kg/day) + bisacodyl compared to 2 days of preparation with PEG 3350 (2g/kg/day) + bisacodyl in pediatric patients. METHODS: A clinical, randomized, and blind trial was performed...
September 2017: Boletín Médico del Hospital Infantil de México
Emilio J Laserna-Mendieta, Adam G Clooney, Julián F Carretero-Gomez, Carthage Moran, Donal Sheehan, James A Nolan, Colin Hill, Cormac G M Gahan, Susan A Joyce, Fergus Shanahan, Marcus J Claesson
Background and Aims: Alterations in short chain fatty acid metabolism, particularly butyrate, have been reported in inflammatory bowel disease, but results have been conflicting because of small study numbers and failure to distinguish disease type, activity or other variables such as diet. We performed a comparative assessment of the capacity of the microbiota for butyrate synthesis, by quantifying butyryl-CoA:acetate CoA-transferase [BCoAT] gene content in stool from patients with Crohn's disease [CD; n = 71], ulcerative colitis [UC; n = 58] and controls [n = 75], and determined whether it was related to active vs inactive inflammation, microbial diversity, and composition and/or dietary habits...
January 24, 2018: Journal of Crohn's & Colitis
Sandra Pérez-Agüeros, Joanna María Ortiz-Alcántara, Fabiola Garcés-Ayala, Edgar Mendieta-Condado, Elizabeth González-Durán, Nidia Aréchiga-Ceballos, Martin Melo-Munguía, Susana Chávez-López, Albert Sandoval-Borja, Mauricio Gómez-Sierra, Rita Terán-Toledo, David Martínez-Solís, Israel Animas-Vargas, Beatriz Escamilla-Ríos, Belem Torres-Longoria, Irma López-Martínez, Lucía Hernández-Rivas, José Alberto Díaz-Quiñonez, José Ernesto Ramírez-González
Rabies virus (RABV), a member of the genus Lyssavirus, causes encephalitis that is almost always fatal following the onset of clinical signs. Here, we report the complete codifying sequence of an RABV isolated from a dog in Mexico. Molecular data showed that this strain belongs to the Chiapas lineage.
January 25, 2018: Genome Announcements
Constantino Mendieta, James M Stuzin
Dr. Constantino Mendieta demonstrates and details his personal technique for gluteal augmentation. The video demonstration is divided into three parts: Part I, Aesthetic Analysis and Preoperative Marking; Part II, Creating the Female Silhouette with Circumferential Lipoplasty; and Part III, Autogenous Gluteal Augmentation. Artistic concepts for gluteal augmentation and contouring the female silhouette and technical considerations for patient safety are emphasized. This Master Series Video article is the first in a planned series of video vignettes...
February 2018: Plastic and Reconstructive Surgery
J G Messer, J L Mendieta Calle, J M Jiron, E J Castillo, C Van Poznak, N Bhattacharyya, D B Kimmel, J I Aguirre
OBJECTIVE: Investigate role of dose/duration of zoledronic acid (ZOL), a powerful anti-resorptive (pAR), on prevalence of medication-related osteonecrosis of the jaw (MRONJ) in rice rats (Oryzomys palustris), a species with natural susceptibility to food impaction-induced localized periodontitis (FILP). We hypothesize that ZOL induces MRONJ lesions in rice rats with FILP, and that the prevalence of MRONJ rises with increasing dose and duration of ZOL treatment. METHODS: We performed a toxicology experiment with clinically-relevant doses of ZOL in female rats (N=230) fed standard (STD) rodent chow...
December 28, 2017: Bone
Mar Álvarez, Maria Nevot, Jesus Mendieta, Miguel A Martinez, Luis Menéndez-Arias
Nucleoside reverse transcriptase (RT) inhibitors (NRTIs) are the backbone of current antiretroviral treatments. However, emergence of viral resistance against NRTIs is a major threat to their therapeutic effectiveness. In HIV-1, NRTI resistance-associated mutations either reduce RT-mediated incorporation of NRTI triphosphates (discrimination mechanism) or confer an ATPmediated nucleotide excision activity that removes the inhibitor from the 3'-terminus of DNA primers, enabling further primer elongation (excision mechanism)...
December 22, 2017: Journal of Biological Chemistry
M I Garrudo-Guirado, A Blanco-Flores, H P Toledo-Jaldin, V Sánchez-Mendieta, A R Vilchis-Néstor
Water pollution caused by heavy metals and organic compounds is an environmental problem with negative impact, making the restoration of water quality a priority. In this paper, the adsorption of xylenol orange dye (XO) on vitreous tuff mineral (VT) was studied. It was established that the adsorption capacity of VT was 45.17 mg/g. The removal was carried out by interactions between active sites on the surface of the material and the functional groups of the dye. The solid waste obtained from this process (VTXO) was reused as adsorbent material for Cu removal in the form of the complex Cu-NH3 because this process was done in an ammoniacal medium...
January 15, 2018: Journal of Environmental Management
Marlet Martinez-Archundia, J B García-Vázquez, B Colin-Astudillo, M Bello, B Prestegui-Martel, A Chavez, A Dueñas-González, M J Fragoso-Vázquez, J Mendieta-Wejebe, E Abarca-Rojano, D Ordaz-Rosado, R García-Becerra, D Castillo-Bautista, J Correa Basurto
Estrogen (17β-estradiol) is essential for normal growth and differentiation in the mammary gland. In the last three decades previous investigations have revealed that estrogen receptor alpha (ERα) plays a critical role in breast cancer. More recently, observations regarding the widespread expression of ERβ-like proteins in normal and neoplastic mammary tissues have suggested that ERβ is also involved in the mentioned pathology. Design of new drugs both steroidal and nonsteroidal that target any of these receptors represents a promise to treat breast cancer, although it remains a challenge due to the sequence similarity between their catalytic domains...
November 29, 2017: Anti-cancer Agents in Medicinal Chemistry
Silvana Ceolin, Manuelle Arias Piriz, Marjoriê da Costa Mendieta, José Siles González, Rita Maria Heck
OBJECTIVE: Analyze the evidence available in Brazilian theses on the elements of the socio-critical paradigm in the construction of knowledge and practices of nursing care. METHOD: An integrative literature review was carried out in the Theses Database of the Coordination for the Improvement of Higher Education Personnel and the Brazilian Digital Library of Theses and Dissertations. RESULTS: Of a total of 320 theses, only 19 had elements of the socio-critical paradigm in their construction, among which the use of participatory investigations stand out (especially action-research), which present interaction between the researcher and the participants, the use of data collection techniques such as focus groups and culture circles, and theoretical frameworks for analyzing the phenomena in their complexity...
November 27, 2017: Revista da Escola de Enfermagem da U S P
Eleazar Ramírez, Liliana Mendieta, Gonzalo Flores, I Daniel Limón
Memory impairment by the Amyloid-β 25-35 (Aβ25-35) peptide in animal models has provided an understanding of the causes behind the similar deterioration that occurs in Alzheimer's disease. However, it is uncertain if a decrease of dendritic spines and neurogenesis conduces to cognitive impairment by an impairment in the retrieval of stored memory. The aim of this study was to evaluate the consequences of impairment on spatial memory caused by the administration of the Aβ25-35 peptide in the hippocampus, which is associated whit morphological changes and neurogenesis in the dentate gyrus (DG)...
November 6, 2017: Neuropeptides
Fabiola Lilí Sarmiento Salinas, Jonnathan Guadalupe Santillán Benítez, María Dolores Hernández Navarro, Hugo Mendieta Zerón
Objective: Rheumatoid arthritis (RA) is a systemic and autoimmune disorder whose primary characteristic is the chronic inflammation of joints. The objective of this study was to evaluate whether there was an association between nuclear factor kappa beta1/IKK epsilon (NF-κB1/IKKε) gene expression and clinical activity in RA. Methods: Sixty patients with RA were included in the study: 30 with clinical activity and 30 with clinical remission. NF-κB1/IKKε gene expression was performed by real-time quantitative polymerase chain reaction through relative quantification with Taqman probes...
October 23, 2017: Laboratory Medicine
Gloria A Otero, Thalía Fernández, F Bernardo Pliego-Rivero, Gustavo G Mendieta
OBJECTIVE: To use quantitative electroencephalography (qEEG) to assess the impact of iron-deficiency anemia on central nervous system maturation in the first year of life. METHOD: Twenty-five infants (3-12 months old) presenting ferropenic anemia (IDA) and 25 healthy controls (CTL1), matched by age/gender with the former, were studied in two stages. Electroencephalogram during spontaneous sleep was recorded from all participants; the fast Fourier transform was calculated to obtain absolute power (AP) and relative power (RP) qEEG measures...
October 24, 2017: Nutritional Neuroscience
Jordi Gratacós, Petra Díaz Del Campo Fontecha, Cristina Fernández-Carballido, Xavier Juanola Roura, Luis Francisco Linares Ferrando, Eugenio de Miguel Mendieta, Santiago Muñoz Fernández, Jose Luis Rosales-Alexander, Pedro Zarco Montejo, Mercedes Guerra Rodríguez, Victoria Navarro Compán
OBJECTIVE: Recent data published on biological therapy in axial spondyloarthritis (axSpA) since the last publication of the recommendations of the Spanish Society of Rheumatology (SER) has led to the generation of a review of these recommendations based on the best possible evidence. These recommendations should be a reference for rheumatologists and those involved in the treatment of patients with axSpA. METHODS: Recommendations were drawn up following a nominal group methodology and based on systematic reviews...
October 16, 2017: Reumatología Clinica
Michael H Carstens, Mauricio Mendieta, Cecilia Pérez, Esperanza Villareal, Rodolfo Garcia
Adipose-derived mesenchymal stem cells (ASCs) have been shown to produce vascular endothelial growth factor (VEGF) and can increase perfusion in patients with critical limb ischemia. We will show that this concept can be applied to augment blood flow in zones of flap ischemia. We presented a case study of a 26-year-old man with a complex hand injury covered by a reverse radial perforator fasciocutaneous flap, which developed ischemic necrosis and was treated by debridement, transplantation of ASCs to enhance vascular support, and saline dressings...
July 1, 2017: Aesthetic Surgery Journal
Hugo Mendieta-Zerón, Angélica Jiménez-Rosales, Carlos Jhovani Pérez-Amado, Silvia Jiménez-Morales
A 26-year-old woman is referred to the Internal Medicine consultation due to increases in laboratory studies associated with Papillary Thyroid Carcinoma (PTC) that was confirmed by histopathological studies. Her clinical history revealed that, at 3 months of age, she was successfully treated with surgery for cleft lip (CL) and at the age of 24 years was diagnosed with hypothyroidism. Single nucleotide polymorphisms (SNPs) in FOXE1 and its promoter regions have been associated with various etiologies related to the thyroid, including orofacial clefting, specially cleft palate (CP) and CL, hypothyroidism (HT), and thyroid cancer...
2017: Case Reports in Genetics
Luis D Rosales-Vázquez, Víctor Sánchez-Mendieta, Alejandro Dorazco-González, Diego Martínez-Otero, Iván García-Orozco, Raúl A Morales-Luckie, Jonathan Jaramillo-Garcia, Antonio Téllez-López
Four coordination polymers have been synthesized using self-assembly solution reactions under ambient conditions, reacting Cd(ii) ions with 1,4-cyclohexanedicarboxylic acid in the presence of different 2,2'-bipyridine co-ligands: {[Cd(H2O)(e,a-cis-1,4-chdc)(2,2'-bpy)]·H2O}n (1); [Cd2(H2O)2(e,a-cis-1,4-chdc)2(4,4'-dmb)2]n (2); {[Cd(e,a-cis-1,4-chdc)(5,5'-dmb)]·H2O·CH3OH}n (3) and {[Cd(e,e-trans-1,4-chdc)(4,4'-dtbb)]·CH3OH}n (4), where 1,4-chdc = 1,4-cyclohexanedicarboxylato, 2,2'-bpy = 2,2'-bipyridine, 4,4'-dmb = 4,4'-dimethyl-2,2'-bipyridine, 5,5'-dmb = 5,5'-dimethyl-2,2'-bipyridine and 4,4'-dtbb = 4,4'-di-tert-butyl-2,2'-bipyridine...
September 26, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
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