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- 저자 : Zamora-Perez, Ana Lourdes (검색결과 3 건)
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Blanca Patricia Lazalde-Ramos,Ana Lourdes Zamora-Perez,Ayme´e Ileana Ortega-Guerrero,Saira Zulema Quintero-Fraire,Omar Palacios-Lara,Sol Marı´a Quirarte-Baez,Carlos Galaviz-Hernandez,Martha Sosa-Macıa 한국식품영양과학회 2020 Journal of medicinal food Vol.23 No.10
Genomic instability is associated with increased oxidative stress in patients with human immunodeficiency virus (HIV). The aim of this study was to determine the effect of intake of methanolic and aqueous extracts of Rosmarinus officinalis on genomic instability in HIV patients. We studied 67 HIV patients under pharmacological treatment with ATRIPLA who were divided into three groups: group 1, patients under ATRIPLA antiretroviral therapy; group 2, patients with ATRIPLA and rosemary aqueous extract (4 g/L per day); and group 3, patients with ATRIPLA and rosemary methanolic extract (400 mg/day). The genomic instability was evaluated through the buccal micronucleus cytome assay. Oral epithelial cells were taken at the beginning and 1 and 4 months later. The groups that received the pharmacological therapy with ATRIPLA and the complementary therapy with R. officinalis extracts showed a decrease in the number of cells with micronuclei and nuclear abnormalities compared with the group that only received ATRIPLA. The complementary therapy with R. officinalis decreased the genomic instability in HIV patients.
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Inverse behavior of IL-23R and IL-17RA in chronic and aggressive periodontitis
Ruiz-Gutierrez, Alondra del Carmen,Rodriguez-Montano, Ruth,Pita-Lopez, Maria Luisa,Zamora-Perez, Ana Lourdes,Guerrero-Velazquez, Celia Korean Academy of Periodontology 2021 Journal of Periodontal & Implant Science Vol.51 No.4
Purpose: Periodontitis is associated with a dysbiosis of periodontopathic bacteria, which stimulate the interleukin (IL)-23/IL-17 axis that plays an essential role in the immunopathogenesis of this disease, leading to alveolar bone destruction through receptor activator of nuclear factor κB ligand (RANKL). IL-23 receptor mRNA (IL-23R) has been identified in periodontitis, and IL-17 receptor A mRNA (IL-17RA) and its protein have not yet been evaluated in patients with periodontitis. In this study was measure IL-23R and IL-17RA in gingival tissue (GT) from patients with generalized chronic periodontitis (GCP) and generalized aggressive periodontitis (GAP) and to explore correlations with clinical parameters. Methods: We included 16 healthy subjects (HS), 18 patients with GCP, and 14 with GAP. GT samples were collected during periodontal surgery. Both IL-23R and IL-17RA were detected by enzyme-linked immunosorbent assay. Results: The results were analyzed with Mann-Whitney U test and Spearman' rank correlation coefficients using SPSS version 25.0. We found lower IL-23R levels in patients with GCP and GAP than in HS. Contrarily, we observed higher IL-17RA levels in GCP and GAP patients than in HS. Moreover, we found negative correlations between IL-23R in GT and probing depth and clinical attachment loss (CAL). Likewise, a positive correlation of IL-17RA in GT with CAL was found. Conclusions: The results of these findings suggest that the reverse behavior between IL-23R and IL-17RA in periodontitis patients may also be involved with the activation of RANKL, which promotes alveolar bone loss.
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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>
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