Anti-ZBTB7A Antibody Picoband®

Zinc finger and BTB domain-containing protein 7A is a protein that in humans is encoded by the ZBTB7A gene. ZBTB7A has a critical oncosuppressive role in the prostate. Prostate-specific inactivation of ZBTB7A leads to a marked acceleration of PTEN loss-driven prostate tumorigenesis through bypass of PTEN loss-induced cellular senescence. It has been showed that ZBTB7A physically interacts with SOX9 and functionally antagonizes its transcriptional activity on key target genes such as MIA, which is involved in tumor cell invasion, and H19, a long noncoding RNA precursor for an RB-targeting microRNA. Inactivation of ZBTB7A in vivo leads to RB downregulation, bypass of PTEN loss-induced cellular senescence, and invasive prostate cancer. Notably, it has been also found that ZBTB7A is genetically lost, as well as downregulated at both the mRNA and protein levels, in a subset of human advanced prostate cancers. Therefore, ZBTB7A is identified as a context-dependent cancer gene that can act as an oncogene in some contexts but that also has oncosuppressive-like activity in PTEN-null tumors.

Zinc finger and BTB domain-containing protein 7A; Factor binding IST protein 1; FBI-1; Factor that binds to inducer of short transcripts protein 1; HIV-1 1st-binding protein 1; Leukemia/lymphoma-related factor; POZ and Krueppel erythroid myeloid ontogenic factor; POK erythroid myeloid ontogenic factor; Pokemon; TTF-I-interacting peptide 21; TIP21; Zinc finger protein 857A; ZBTB7A; FBI1, LRF, ZBTB7, ZNF857A

A synthetic peptide corresponding to a sequence at the N-terminus of human ZBTB7A, different from the related mouse sequence by eleven amino acids, and from the related rat sequence by ten amino acids.

Widely expressed. In normal thymus, expressed in medullary epithelial cells and Hassle's corpuscles (at protein level) . In tonsil, expressed in squamous epithelium and germinal center lymphocytes (at protein level) . Up-regulated in a subset of lymphomas, as well as in a subset of breast, lung, colon, prostate and bladder carcinomas (at protein level) . .

Plays a key role in the instruction of early lymphoid progenitors to develop into B lineage by repressing T-cell instructive Notch signals (By similarity) . Specifically represses the transcription of the CDKN2A gene. Efficiently abrogates E2F1- dependent CDKN2A transactivation/de-repression. Binds to the consensus sequence 5'-[GA][CA]GACCCCCCCCC-3' (By similarity) . .

1. Entrez Gene: ZBTB7A zinc finger and BTB domain containing 7A. 2. Wang, G., Lunardi, A., Zhang, J., Chen, Z., Ala, U., Webster, K. A., Tay, Y., Gonzalez-Billalabeitia, E., Egia, A., Shaffer, D. R., Carver, B., Liu, X.-S., Taulli, R., Kuo, W. P., Nardella, C., Signoretti, S., Cordon-Cardo, C., Gerald, W. L., Pandolfi, P. P. Zbtb7a suppresses prostate cancer through repression of a Sox9-dependent pathway for cellular senescence bypass and tumor invasion. Nature Genet. 45: 739-746, 2013.

Store at -20°C for one year from date of receipt. After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months. Avoid repeated freeze-thaw cycles.