Abstract:
:HIN200 is a human IFN-inducible gene and homologous to murine IFI202 gene, which was identified as a candidate gene for SLE susceptibility in lupus mouse model. We determined these gene expressions in leukocytes from 20 SLE patients and 10 healthy controls and in renal biopsies from 29 SLE patients and 15 kidney donors using sensitive real-time reverse transcriptase-polymerase chain reaction (RT-PCR). The expressions of MNDA, IFIX, IFI16 and AIM2 genes significantly increased in leukocytes but not in kidney biopsies from SLE patients as compared to the control individuals, with P = 0.0003, P = 0.0056, P = 0.0002 and P < 0.0001, respectively. We also assessed the expression profiles of IFIX and IFI16 isoforms using semi-quantitative RT-PCR. We found up-regulation of B isoform (short product) of IFI16 in SLE patients. In addition, the expression levels were analyzed in correlation with disease activity and clinical characteristics. Interestingly, higher expression of MNDA was observed in patients who were positive for anti-dsDNA antibodies than in patients who were negative (P = 0.0276). In conclusion, it is suggested that the HIN200 genes have a role in SLE pathogenesis. Our study also observed a possible important role of a specific short isoform of IFI16 as well as a link between MNDA and anti-dsDNA antibody production.
journal_name
Lupusjournal_title
Lupusauthors
Kimkong I,Avihingsanon Y,Hirankarn Ndoi
10.1177/0961203309106699subject
Has Abstractpub_date
2009-10-01 00:00:00pages
1066-72issue
12eissn
0961-2033issn
1477-0962pii
18/12/1066journal_volume
18pub_type
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