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Eduardo Sánchez-Mendoza,Nayadoleni Nieves,Gustavo Merchor,Ezequiel Uribe 한국뇌신경과학회 2016 Experimental Neurobiology Vol.25 No.6
Schizophrenia is considered a neurodevelopmental disorder; however, all the available treatment options are used when the disease becomes clinically significant in adolescence or early adulthood. Using a developmental rat model of schizophrenia, we examined whether neonatal treatment with memantine, an NMDA receptor modulator, can improve schizophrenic-like symptoms in adulthood. Early maternal deprivation in rats produces deficits in social interaction behaviors in adulthood. In contrast, memantine administrated in neonatal rats subjected to early maternal deprivation significantly reduces deficits in social interaction behaviors in adulthood. These results raise the possibility that pharmacological treatment with memantine at the early developmental stage helps people with a risk to develop schizophrenic-like symptoms.
Jimlea Nadezhda Mendoza,Giulia Mattalia,Baiba Prūse,Sophia Kochalski,Aimee Ciriaco,Andrea Pieroni,Renata Sõukand 한국식품연구원 2021 Journal of Ethnic Foods Vol.8 No.-
Several coastal communities rely heavily on wild-caught fish for personal consumption and their livelihoods, thus being sensitive to the rapid global change affecting fish availability. However, in the last century, aquaculture has been increasingly adopted. To understand the uses and changes of wild-caught fish, we conducted 30 semi-structured interviews with fishers of Laguna Lake, Philippines. Fishermen, with up to 60 years’ experience, reported catching 31 fish species as a staple food. The taxa with the greatest variety of food uses were the farmed Oreochromis aureus, and the wild Channa striata and Cyprinus carpio. Fish was boiled, fried, grilled and dried, and over 20 different local dishes were reported. Fishers reported that local communities previously relied more on wild fish, while today a greater proportion of consumed fish comes from aquaculture fish species such as Oreochromis aureus and Hypophthalmichthys nobilis. Wild fish remains a crucial aspect of local gastronomic diversity, underpinning the biodiversity of the Laguna Lake, while also representing an important element for food sovereignty. The study stresses the need to sustain local ecological knowledge to ensure the ecological, social and economic sustainability of the communities.
Alma Laura Sánchez-Casillas,Horacio Rivera,Anna Gabriela Castro-Martínez,José Elías García-Ortiz,Carlos Córdova-Fletes,Paul Mendoza-Pérez 대한진단검사의학회 2017 Annals of Laboratory Medicine Vol.37 No.1
Dear Editor, The rec(8)dup(8q)inv(8)(p23.1q22.1) chromosome associated with San Luis Valley Syndrome (SLVS OMIM 179613) is usually diagnosed in Hispanic patients from the USA Southwest where a founder carrier Spaniard lived around 1800 [1, 2]. This rec(8) has an 8q duplication of 47.90 Mb and an 8p deletion of 11.65 Mb [3, 4]. Excluding two de novo rec(8)dup q chromosomes characterized only by G-bands and included in a recent compilation [5], cytogenomic analyses identified nine comparable de novo der(8)dup q/del p chromosomes with or without a simultaneous 8p gain. We describe a Mexican mestizo girl with a de novo SLVS-like der(8) but with a concomitant 8p22p23.1 duplication.
Manases González-Cortázar,José E Sánchez,Magaly Huicochea-Medina,Victor M Hernández-Velázquez,Pedro Mendoza-de-Gives,Alejandro Zamilpa,Ma Eugenia López-Arellano,Jesús Antonio Pineda-Alegría,Liliana Ag 한국식품영양과학회 2021 Journal of medicinal food Vol.24 No.3
Sheep haemonchosis is a disease that causes anemia, diarrhea, weight loss, low production, and even death of young animals. This represents a negative economic impact on the livestock sector. For decades, chemicals have been used to control this parasitic disease; however, cases of anthelmintic resistance have increased around the world. For this reason, the search for control alternatives is necessary. Several studies have shown that edible mushrooms of Pleurotus genus have different medicinal properties, including nematicidal activity. In this study, the chromatographic fractionation of the hydroalcoholic extract of fruiting bodies Pleurotus djamor was carried out to identify and isolate the metabolites responsible for nematicidal activity. From the fractionation of the extract, the fraction PdR2 and the subfraction PdB were obtained, which were evaluated against Haemonchus contortus under in vitro conditions. The nematicidal effect of the fraction PdB in gerbils infected artificially with H. contortus was evaluated. Finally, the analysis of the PdB fraction by gas chromatography-mass spectrometry and nuclear magnetic resonance was carried out. The results showed that the PdB had 100% of egg hatching inhibition from 5 mg/mL. Regarding larvicidal activity, it presented >97.2% from 24 h to 20 mg/mL. The in vivo evaluation of the PdB fraction showed a reduction of H. contortus larvae of 92.56%. The compounds present in this fraction were the mixture of allitol and an unidentified terpene in a ratio of 9:1. The PdB fraction is a potential alternative for the control of H. contortus, where allitol and a terpene could be responsible for nematicidal activity.
Jose Luis Lozano Villanueva,Javier Francisco Torres Zafra,Fabián Cortés Muñoz,Fernán del Cristo Mendoza Beltrán,Jenny Carolina Sánchez Casas,Luis Alfonso Barragán Pedraza 대한신경과학회 2021 Journal of Clinical Neurology Vol.17 No.2
Background and Purpose Ischemic stroke is a common cause of death worldwide. In clinical practice it is observed that many individuals who have experienced an ischemic stroke also suffer from simultaneous comorbidities such as heart failure, which could be directly associated with a worse clinical prognosis. Therefore, this study analyzed outcomes in terms of the severity of the event, inhospital mortality, duration of hospital stay, and inhospital recurrence of the episode, in order to determine the implications resulting from the presentation of both pathologies. Methods This was a retrospective-cohort, hospital-based study. Results The study included 110 subjects with heart failure (exposed) and 109 subjects without heart failure (nonexposed). The incidence of inhospital mortality was 27.27% in exposed patients and 9.17% in nonexposed patients (p<0.001), and the presence of heart failure increased the risk of death by 92% (p=0.027). According to scores on the National Institutes of Health Stroke Scale, the median severity was worse in exposed than nonexposed patients (16.1 vs. 9.2, p=0.001). The median hospital stay was 9 days in subjects with heart failure and 7 days in nonexposed patients (p=0.011). The rate of inhospital stroke did not differ significantly between exposed and nonexposed patients (1.82% vs. 0.92%, p=0.566). Conclusions Individuals with heart failure who suffer from an acute ischemic stroke show worse clinical outcomes in terms of mortality, event severity, and duration of hospital stay.
Study of Photon Strength Function of Actinides: the Case of ^(235)U, ^(238)Np and ^(241)Pu
C. Guerrero,F. Alvarez-Velarde,D. Cano-Ott,T. Martinez,E. Mendoza,D. Villamarin,N. Colonna,M. H. Meaze,S. Marrone,G. Tagliente,R. Terlizzi,F. Belloni,U. Abbondanno,K. Fujii,P. M. Milazzo,C. Moreau,G. 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.59 No.23
The decay from excited levels in medium and heavy nuclei can be described in a statisticalapproach by means of Photon Strength Functions and Level Density distributions. The study of electromagnetic cascades following neutron capture based on the use of high eciency detectors has been shown to be well suited for probing the properties of the Photon Strength Function of heavy (high level density) and/or radioactive (high background) nuclei. In this work we have investigated for the first time the validity of the recommended PSF of actinides, in particular ^(235)U, ^(238)Np and ^(241)Pu. Our study includes the search for resonance structures in the PSF below S_n and draws conclusions regarding their existence and their characteristics in terms of energy, width and electromagnetic nature.
Rodolfo Valdés,Andrés Tamayo,Marcos González,Sigifredo Padilla,Déborah Geada,William Ferro,Lorely Milá,Leonardo Gómez,Rosario Alemán,Alberto Leyva,Cristina García,Otto Mendoza,Tatiana Alvarez,Lamay Do 한국생물공학회 2012 Biotechnology and Bioprocess Engineering Vol.17 No.1
Monoclonal antibody (mAb) production methods (ascites, in vitro technologies, transgenic animals, and dicot or monocot transgenic plants; moss, algae) have been improved since they were first developed in 1975. In this study, we illustrate a summary of a study case in which mice, a hollow fiber system, and tobacco transgenic plants were assessed for the production of mAb for vaccine manufacturing and vaccine production. Monoclonal antibody (mAb) production methods (ascites, in vitro technologies, transgenic animals, and dicot or monocot transgenic plants; moss, algae) have been improved since they were first developed in 1975. In this study, we illustrate a summary of a study case in which mice, a hollow fiber system, and tobacco transgenic plants were assessed for the production of mAb for vaccine manufacturing and vaccine production.
Mn-doped Zn/Al layered double hydroxides as photocatalysts for the 4-chlorophenol photodegradation
Morales-Mendoza, G.,Tzompantzi, F.,Garcia-Mendoza, C.,Lopez, R.,De la Luz, V.,Lee, S.W.,Kim, T.H.,Torres-Martinez, L.M.,Gomez, R. Elsevier 2015 Applied clay science Vol.118 No.-
Mn-doped Zn/Al layered double hydroxides (LDH) with Mn 0.5-3.0% mol respect to Zn content with improved photocatalytic degradation of 4-chlorophenol (4Clphenol) were studied. The characterization studies showed the isomorphic incorporation Mn as dopant until 1% mol. The 4Clphenol degradation was proposed as result of a combined effect of oxidation by both hydroxyl radicals (OH?) and photogenerated holes (h<SUP>+</SUP>). In a proposed mechanism it is suggested that Mn enhances the charge separation acting as electron e<SUP>-</SUP> (Mn<SUP>3+</SUP>; Mn<SUP>4+</SUP>) or hole h<SUP>+</SUP> (Mn<SUP>2+</SUP>; Mn<SUP>3+</SUP>) traps according to its oxidation state. Exhaustive characterization through EDS, XRD, UV-vis-DRS, TEM-Dark field STEM, fluorescence spectroscopy for OH? detection and XPS, has been done denoting the importance of the Mn content and its different oxidation states in the photophysical and photocatalytic properties of the Mn-doped Zn/Al-based layered double hydroxides.
Erick S. Mendoza,Amy A. Lopez,Valerie Ann U. Valdez,Leilani B. Mercado-Asis 대한내분비학회 2016 Endocrinology and metabolism Vol.31 No.3
Background: Osteoporosis in men is markedly underdiagnosed and undertreated despite higher morbidity and mortality associatedwith fractures. This study aimed to characterize adult Filipino men with osteopenia, osteoporosis and prevalent fractures. Methods: A cross-sectional study of 184 Filipino men ≥50 years screened for bone mineral density was performed. Age, weight,body mass index (BMI), Osteoporosis Self-Assessment Tool for Asians (OSTA) score, smoking status, family history of fracture,diabetes mellitus, physical inactivity, and T-score were considered. Results: Of the 184 patients, 40.2% and 29.9% have osteopenia and osteoporosis. Sixteen (21.6%) and 18 (32.1%) osteopenicand osteoporotic men have fragility hip, spine, or forearm fractures. Men aged 50 to 69 years have the same risk of osteoporosisand fractures as those ≥70 years. While hip fractures are higher in osteoporotic men, vertebral fractures are increased in both osteopenicand osteoporotic men. Mere osteopenia predicts the presence of prevalent fractures. A high risk OSTA score can predictfracture. A BMI <21 kg/m2 (P<0.05) and current smoking are associated with osteoporosis. Conclusion: A significant fraction of Filipino men with osteopenia and osteoporosis have prevalent fractures. Our data suggestthat fractures occur in men <70 years even before osteoporosis sets in. Low BMI, high OSTA score, and smoking are significantrisk factors of osteoporosis.
Political Dynasties and Terrorism: An Empirical Analysis Using Data on the Philippines
Ronald U. Mendoza,Jurel K. Yap,Gabrielle Ann S. Mendoza,Angelika Lourdes J. Pizarro,Georgi Engelbrecht 서울대학교 통일평화연구원 2022 Asian Journal of Peacebuilding Vol.10 No.2
Political inequality may cultivate grievances against the government and eventuallyprovoke conflict. In the Philippines, this is reflected in the prevalence of politicaldynasties. Often these dynasties face deep conflicts of interest as they prioritizeclientelist ties over the public good, and act as bosses in their local constituencies. Through regression analysis, this paper finds robust statistical evidence that twoout of three measures of political dynasty persistence are positively associatedwith political violence. Results suggest that a concentration of power leads toweaker governance and worse development outcomes, excludes critical sectors,and ultimately provokes political violence. The study emphasizes the importanceof promoting checks and balances for more inclusive and peaceful development inemerging democracies such as the Philippines.