Chan-chan XIAO, Mao-jian CHEN, Fan-biao MEI, et al. Effect of Capsaicin on Proliferation and HMGB1 and IL-6 Expressions in Hepatoma SMMC-7721 Cells[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(7): 89-93.
DOI:
Chan-chan XIAO, Mao-jian CHEN, Fan-biao MEI, et al. Effect of Capsaicin on Proliferation and HMGB1 and IL-6 Expressions in Hepatoma SMMC-7721 Cells[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(7): 89-93. DOI: 10.13422/j.cnki.syfjx.20190721.
Effect of Capsaicin on Proliferation and HMGB1 and IL-6 Expressions in Hepatoma SMMC-7721 Cells
To investigate the effect of capsaicin on proliferation in human hepatoma SMMC-7721 cells and its possible molecular mechanism.
Method:
2
Capsaicin (50
100
150
200
250
300 μmol·L
-1
) groups and blank group were set up. The cell viability was detected by cell counting kit-8 (CCK-8) assay after SMMC-7721 cells were treated with capsaicin (50
100
150
200
250
300 μmol·L
-1
) for 24
48
72 h. The morphological changes were observed under an inverted microscope after SMMC-7721 cells were treated with capsaicin (150
200
250 μmol·L
-1
) for 24 h. The mRNA expression levels of high mobility group box 1 (HMGB1) and interleukin-6(IL-6) were measured by Real-time PCR after SMMC-7721 cells were treated with capsaicin (150
200
250 μmol·L
-1
) for 24 h. The levels of HMGB1 and IL-6 in cell culture supernatant were detected by enzyme-linked immunosorbent assay(ELISA) after SMMC-7721 cells were treated with capsaicin (150
200
250 μmol·L
-1
) for 24 h.
Result:
2
Compared with the blank group
there was no significant difference between 50 and 100 μmol·L
-1
capsaicin groups treated for 24
48
72 h; after treated with the other concentrations of capsaicin (150
200
250
300 μmol·L
-1
) at different time points
the proliferation inhibition rate was statistically significant (
P
<
0.05)
with significant concentration and time-dependent effect; compared with the blank group
capsaicin (150
200
250 μmol·L
-1
) groups showed different degrees of morphological changes in SMMC-7721 cells
which became round and wrinkled
with a poor attachment and more exfoliation; compared with the blank group
the mRNA expressions of HMGB1 and IL-6 in SMMC-7721 cells of capsaicin (150
200
250 μmol·L
-1
) groups were significantly down-regulated (
P
<
0.05)
and the secretions of HMGB1 and IL-6 were significantly decreased in the supernatant (
P
<
0.05).
Conclusion:
2
Capsaicin inhibits cell proliferation of SMMC-7721 cells
and the possible mechanism may be related to the down-regulation of HMGB1 and IL-6 at the mRNA and protein levels.
关键词
Keywords
references
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