Characterization of an alternative transcript of the human CREB3L2 gene.
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Characterization of an alternative transcript of the human CREB3L2 gene. / Panagopoulos, Ioannis; Monsef, Nastaran; Collin, Anna; Mertens, Fredrik.
In: Oncology Reports, Vol. 24, No. 5, 2010, p. 1133-1139.Research output: Contribution to journal › Article
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T1 - Characterization of an alternative transcript of the human CREB3L2 gene.
AU - Panagopoulos, Ioannis
AU - Monsef, Nastaran
AU - Collin, Anna
AU - Mertens, Fredrik
PY - 2010
Y1 - 2010
N2 - CREB3L2, a member of the CREB3 family of transcription factors, spans >120 kbp and is composed of 12 exons. We characterized a widely expressed transcript of CREB3L2 generated by an intronic polyadenylation site in intron 4 of the gene. It could be translated to a CREB3L2 variant which is localized both in the nucleus and the endoplasmatic reticulum. The protein retains the N-terminal transactivation domain but lacks the DNA-binding domain, the transmembrane domain and the C-terminal part. Experiments using a GAL4 DNA-binding domain fusion model showed that the transcript is a transactivator but it cannot exert its function through the CRE and ATF6 binding sites and has little effect on the GRP78 promoter. Whether this transcript has a cellular function or is targeted for degradation by nonsense-mediated RNA decay system of RNA surveillance is currently unknown.
AB - CREB3L2, a member of the CREB3 family of transcription factors, spans >120 kbp and is composed of 12 exons. We characterized a widely expressed transcript of CREB3L2 generated by an intronic polyadenylation site in intron 4 of the gene. It could be translated to a CREB3L2 variant which is localized both in the nucleus and the endoplasmatic reticulum. The protein retains the N-terminal transactivation domain but lacks the DNA-binding domain, the transmembrane domain and the C-terminal part. Experiments using a GAL4 DNA-binding domain fusion model showed that the transcript is a transactivator but it cannot exert its function through the CRE and ATF6 binding sites and has little effect on the GRP78 promoter. Whether this transcript has a cellular function or is targeted for degradation by nonsense-mediated RNA decay system of RNA surveillance is currently unknown.
U2 - 10.3892/or_00000964
DO - 10.3892/or_00000964
M3 - Article
VL - 24
SP - 1133
EP - 1139
JO - Oncology Reports
JF - Oncology Reports
SN - 1791-2431
IS - 5
ER -