Abstract
Objective To observe expression variation of microRNA (miRNA) between bone tissue of alcohol avascular necrosis femoral head and normal femoral head and discuss miRNA change relation between them.Methods It is tested for miRNA for five normal femoral head tissue and alcohol avascular necrosis femoral head tissue.it is thus clear that there are up regulation has-miR-29a-st and downregulation genes has-miR-486-5p-st.they are went on reverse transcriptase-polymerase chain reaction (RT-PCR).Results Four hundred genes were analysed between between bone tissue of alcohol avascular necrosis femoral head and normal femoral head with miRNA gene chip.clear down regulation has-miR-486-5p-st and up regulation has-miR-29a-st were went on PCR,the average value of has-miR-29a-st 2-~Ct is 1.06 ±0.09 and 1.93 ± 1.12 for bone tissue of alcohol avascular necrosis femoral head and normal femoral head; the average value of has-miR-486-5p-st2-~Ct is 1.88 ± 25.37 and 1.70 ± 0.98 (variation ＞ 2 times moreover P ＜ 0.05).Conclusion There is obvious up regulation and down regulation miRNA genes between bone tissue of normal femoral head and alcohol avascular necrosis femoral head.which is possible to take on main regulation action to speeding up necrosis femoral head. Key words: Alcohol avascular necrosis of femoral head; Gene chip
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