Study of the relationship between human MIF level, MIF-794CATT5-8 microsatellite polymorphism, and susceptibility of tuberculosis in southwest China
OBJECTIVE: To study the human migration inhibitory factor (MIF) level in tuberculosis (TB) patients, and the relationship between MIF-794CATT microsatellite polymorphism and susceptibility of TB in Southwest China. METHODS: TB patients (n = 151) and healthy unrelated controls (n = 149) were recruited for this study. Genomic DNA was extracted, and then amplified by polymerase chain reaction (PCR). MIF-794CATT5-8 microsatellite polymorphism was genotyped by DNA sequencing. MIF level was detected by ELISA. RESULTS: In the TB group, the repeat number of 7/7 and 7/8 (17.89%) was significantly higher than that of the control group (8.05%), and the serum MIF level was also much higher than that of the healthy controls (705.21 ± 67.98 vs. 355.31 ± 57.29 pg/mL, p < 0.01). CONCLUSION: The appearance of MIF-794CATT 7/7 and 7/8 is associated with susceptibility to TB, and may play an important role in the occurrence and development of TB in Southwest China.
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Format: | Digital revista |
Language: | English |
Published: |
Brazilian Society of Infectious Diseases
2012
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702012000400013 |
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