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Article Abstract
Objective: To examine receptors for advanced glycation end-products Gly82Ser polymorphism in patients of type 2 diabetes with comorbid depression.
Methods: The case-control study was conducted at Fujian Provincial Hospital, Fuzhou, China, between December 2011 and December 2012, and comprised unrelated Chinese Han patients of type 2 diabetes, and diabetics with diagnosed clinical depression. Gly82Ser polymorphism polymorphism was determined using polymerase chain reaction amplification-high resolution melting curve protocol. Serum levels of endogenous secretory receptor for advanced glycation end products were measured using enzyme-linked immunosorbent assay. SPSS 16 was used for data analysis.
Results: Of the 114 subjects, 72(63.15%) were clinically depressed. Lower levels of endogenous secretory receptor were found in the depression group compared with the other group (p=0.049). No difference in genotypes or allele frequencies existed between the two groups (p>0.05). Gly82Ser carriers had significantly higher Hamilton Rating Scale scores (p<0.001) and lower serum endogenous secretory receptor (p=0.012) among the depressed diabetics. There were also significant differences in body mass index (p=0.005), abdominal circumference (p=0.038), carotid intima-media thickness (p=0.037) and high-sensitivity C-reactive protein (p=0.005) concentration between the different genotypes..
Conclusions: Receptors for advanced glycation end-products-ligands system may be involved in type 2 diabetes with comorbid depression at the genetic level.
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