Renata Alejandra Báez Saldaña

Dr. Renata Alejandra Báez Saldaña


Research Focus & Metrics

Academic Career Length

20Years (2007-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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21 September 2013 in Journal of Translational Medicine
Verified
Journal Article
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DTDiana Torres-García
Diana Torres-García
ACAlfredo Cruz-Lagunas
Alfredo Cruz-Lagunas
MFMa Cecilia García-Sancho Figueroa
Ma Cecilia García-Sancho Figueroa
RPRosario Fernandez Plata
Rosario Fernandez Plata
RSRenata Alejandra Báez Saldaña
Renata Alejandra Báez Saldaña
JZJoaquín Zúñiga
Joaquín Zúñiga
Background: The control of Mycobacterium tuberculosis (Mtb) infection begins with the recognition of mycobacterial structural components by toll like receptors (TLRs) and other pattern recognition receptors. Our objective was to determine the influence of TLRs polymorphisms in the susceptibility to develop tuberculosis (TB) in Amerindian individuals from a rural area of Oaxaca, Mexico with high TB incidence. Methods: We carried out a case–control association community based study, genotyping 12 polymorphisms of TLR2, TLR4, TLR6 and TLR9 genes in 90 patients with confirmed pulmonary TB and 90 unrelated exposed but asymptomatic household contacts. Results: We found a significant increase in the frequency of the allele A of the TLR9 gene polymorphism rs352139 (A>G) in the group of TB patients (g.f. = 0.522) when compared with controls (g.f. = 0.383), (Pcorr = 0.01, OR = 1.75). Under the recessive model (A/G + A/A vs G/G) this polymorphism was also significantly associated with TB (Pcorr = 0.01, OR= 2.37). The association of the SNP rs352139 was statistically significant after adjustment by age, gender and comorbidities by regression logistic analysis (Dominant model: p value = 0.016, OR = 2.31; Additive model: p value = 0.023, OR = 1.68). The haplotype GAA of TLR9 SNPs was also associated with TB susceptibility (Pcorr = 0.02). Differences in the genotype or allele frequencies of TLR2, TLR4 and TLR6 polymorphisms between TB patients and healthy contacts were not detected. Conclusions: Our study suggests that the allele A of the intronic polymorphism rs352139 on TLR9 gene might contribute to the risk of developing TB in Mexican Amerindians.

1 January 2007 in Archivos de Bronconeumología
Verified
Journal Article
Closed access
RSRenata Alejandra Báez Saldaña
Renata Alejandra Báez Saldaña
RMRocío Chapela Mendoza
Rocío Chapela Mendoza
LKLoredmy Herrera Kiengelher
Loredmy Herrera Kiengelher
RSRebeca Ortiz Siordia
Rebeca Ortiz Siordia
JHJorge Salas Hernández
Jorge Salas Hernández