Interaction between Tumor Necrosis Factor-α Gene –308G/A Promoter and Leptin Receptor Gene Lys656Asn Single-Nucleotide Polymorphisms: Effect on Serum Leptin Concentrations

2010 ◽  
Vol 57 (2) ◽  
pp. 89-94
Author(s):  
D.A. de Luis ◽  
R. Aller ◽  
O. Izaola ◽  
M. Gonzalez Sagrado ◽  
R. Conde ◽  
...  
2010 ◽  
Vol 17 (1-2) ◽  
pp. 36-40 ◽  
Author(s):  
Angeliki Margoni ◽  
Despoina N. Perrea ◽  
Ioannis Vlachos ◽  
Georgia Prokopaki ◽  
Alkistis Pantopoulou ◽  
...  

2011 ◽  
Vol 4 (6) ◽  
pp. 336-344 ◽  
Author(s):  
Miriam Enriqueta Nieves-Ramirez ◽  
Oswaldo Partida-Rodriguez ◽  
Pedro Eduardo Alegre-Crespo ◽  
Maria del Carmen Tapia-Lugo ◽  
Martha Esthela Perez-Rodriguez

Reproduction ◽  
2008 ◽  
Vol 135 (3) ◽  
pp. 397-403 ◽  
Author(s):  
W Zammiti ◽  
N Mtiraoui ◽  
H Khairi ◽  
J-C Gris ◽  
W Y Almawi ◽  
...  

Heightened expression of tumor necrosis factor (TNF)-α and lymphotoxin-α (LT-α) was associated with pregnancy complications, including idiopathic recurrent miscarriage (RM). Whereas TNF-α and LT-α gene polymorphisms affect serum cytokine concentrations, their contribution to RM is controversial. The single nucleotide polymorphisms (SNPs) TNF-α (−238G/A, −308G/A) and LT-α (+252A/G) were investigated in 350 RM women and 200 control women. Higher frequency of the TNF-α −238A, but not the TNF-α −308A or the LT-α+252G, allele was seen in patients, with comparable frequencies of TNF-α −238G/A, TNF-α −308G/A, and LT-α+252A/G genotypes seen between both groups, except for TNF-α −238G/G, which was lower in patients. Regression analysis confirmed the association of the TNF-α −238G/A SNP with idiopathic RM, and both TNF-α −308A/TNF −238G/LT-α+252Gand TNF-α −308G/TNF-α −238A/LT-α+252Ghaplotypes played a susceptible role in idiopathic RM. TNF-α −238G/A and −238A/A, and LT-α+252G/G genotypes were positively associated only with exclusively early RM. This supports the concept of the association of TNF-α (−238G/A) and LT-α (+252A/G) polymorphic variants in idiopathic RM.


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