Abstract：
:Protein kinase C-δ (PKC-δ), a member of the lipid-regulated serine/threonine PKC family, has been implicated in a wide range of important cellular processes, such as cell growth, differentiation, and apoptosis. Lampreys belong to the most primitive class of vertebrates, and there is little information on PKC-δ in these animals. In this study, a PKC-δ-like cDNA sequence and deduced PKC-δ-like amino acid sequence were identified in the Japanese lamprey (Lampetra japonica). The PKC-δ-like gene shared approximately 60% sequence identity with its homologs in jawed vertebrates. The anti-PKC-δ-like polyclonal antibodies were well prepared, and experiments showed that PKC-δ-like was primarily distributed in the supraneural body of the lamprey. Both mRNA and protein levels of PKC-δ-like in supraneural body cells were increased after incubation with cis-diaminedichloroplatinum (CDDP). Moreover, PKC-δ-like protein induced the apoptosis of HEK-293T cells. In addition, the activation of PKC-δ-like resulted in apoptosis. Conversely, the inhibition of PKC-δ-like activity disrupted the CDDP-mediated induction of cellular apoptosis. These results indicate that PKC-δ-like identified in lampreys might play an important role in apoptosis in jawless vertebrates.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Xu Y,Zhu S,Zhao H,Li Qdoi
10.1038/s41598-017-12526-wsubject
Has Abstractpub_date
2017-09-22 00:00:00pages
12214issue
1issn
2045-2322pii
10.1038/s41598-017-12526-wjournal_volume
7pub_type
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