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1.
Beijing Da Xue Xue Bao Yi Xue Ban ; 47(6): 905-9, 2015 Dec 18.
Article in Zh | MEDLINE | ID: mdl-26679648

ABSTRACT

OBJECTIVE: To elucidate the correlation between the single nucleotide polymorphism of CKLF-like MARVEL transmembrane member 5 (CMTM5) gene rs723840 and the occurrence of high on aspirin platelet reactivity (HAPR). METHODS: The present study is a case-control study. A total of 210 hospitalized patients in Peking University First Hospital were enrolled. Aspirin response was assessed by 0.5 g/L arachidonic acid (AA)-induced platelet aggregation ratio (PR), and ≥ 3/4 quartile of PR of the population was defined as HAPR. Accordingly all the enrolled 210 coronary artery diseases (CAD) patients were divided into HAPR group and No-HAPR group. The genotypes were determined by polymerase chain reaction (PCR) and sequencing analysis for rs723840 of CMTM5 gene. RESULTS: The genotype frequencies in rs723840 C>T of CMTM5 gene conformed well to the Hardy-Weinberg equilibrium in both HAPR group and No-HAPR group. Between the two groups, the genotypes frequencies in HAPR and No-HAPR groups were 48.4%, 51.6%, 0.0% and 73.7%, 22.9%, 0.034%, respectively (P=0.004). The C, T allele frequencies were significantly different in the two groups (P=0.031,OR=0.501, 95% CI: 0.264-0.947). CONCLUSION: Our study finds a significant correlation between CMTM5 gene rs723840 polymorphism and high on aspirin platelet reactivity.


Subject(s)
Aspirin/pharmacology , Blood Platelets/drug effects , Chemokines/genetics , MARVEL Domain-Containing Proteins/genetics , Platelet Aggregation Inhibitors/pharmacology , Polymorphism, Single Nucleotide , Tumor Suppressor Proteins/genetics , Case-Control Studies , Coronary Artery Disease/genetics , Gene Frequency , Genotype , Humans , Platelet Function Tests
2.
Beijing Da Xue Xue Bao Yi Xue Ban ; 47(6): 920-4, 2015 Dec 18.
Article in Zh | MEDLINE | ID: mdl-26679651

ABSTRACT

OBJECTIVE: To elucidate the correlation between urinary 11-dehydro-thromboxane B2 (11dhTxB2) and clinical efficacy of aspirin treatment in patients with type 2 diabete and coronary artery disease (CAD). METHODS: In this prospective cohort study, 169 aged patients with type 2 diabete accompanying CAD in Peking University First Hospital were enrolled. The level of urinary 11dhTxB2 was detected using enzyme-linked immuno-sorbent assay. Low aspirin response or high on aspirin platelet reactivity (HAPR) was defined as urinary 11dhTxB2>1 500 ng/g. All the included patients were divided into two groups based on the results, HAPR group and No-HAPR group. RESULTS: Baseline urinary 11dhTxB2 of the patients with type 2 diabete accompanying CAD was (3 687±3 052) ng/g, while the urinary 11dhTxB2 was (1 954±859) ng/g in patients after 100 mg/d aspirin treatment (P<0.001). Prevalence of HAPR in patients with type 2 diabete accompanying CAD were 32.5%. Within a mean follow-up time of 12 months, the outcomes occurred more frequently in HAPR group than in No-HAPR group (P<0.05). CONCLUSION: Urinary 11dhTxB2 can be recognized as an effective indicator in evaluating aspirin clinical efficacy of patients with type 2 diabete accompanying CAD.


Subject(s)
Aspirin/therapeutic use , Coronary Artery Disease/drug therapy , Diabetes Mellitus, Type 2/drug therapy , Platelet Aggregation Inhibitors/therapeutic use , Thromboxane B2/analogs & derivatives , Beijing , Blood Platelets/drug effects , Humans , Prospective Studies , Thromboxane B2/urine , Treatment Outcome
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