|CDCB163887||Chicken GADD45A ORF Clone (NM_001044678)||Inquriy|
|CDCB185944||Rabbit GADD45A ORF clone (XM_002715933.2)||Inquriy|
|CDCL110321||Mouse GADD45A ORF clone (NM_001199742.1)||Inquriy|
|CDCL110323||Human GADD45A ORF clone (NM_001199741.1)||Inquriy|
|CDCL110325||Mouse Gadd45a ORF clone (NM_007836.1)||Inquriy|
|CDCR379335||Rat Gadd45a ORF Clone(NM_024127.2)||Inquriy|
|CDCS409481||Human GADD45A ORF Clone (BC011757)||Inquriy|
|CDFR012258||Rat Gadd45a cDNA Clone(NM_024127.2)||Inquriy|
|MiUTR1M-04898||GADD45A miRNA 3'UTR clone||Inquriy|
|MiUTR1R-02023||GADD45A miRNA 3'UTR clone||Inquriy|
|MiUTR3H-00675||GADD45A miRNA 3'UTR clone||Inquriy|
|SHH074963||shRNA set against Rat Gadd45a(NM_024127.2)||Inquriy|
|SHH074999||shRNA set against Mouse Gadd45a(NM_007836.1)||Inquriy|
|SHH298693||shRNA set against Mouse GADD45A (NM_007836.1)||Inquriy|
|SHH298697||shRNA set against Rat GADD45A (NM_024127.2)||Inquriy|
|SHW002412||shRNA set against Chicken GADD45A (NM_001044678)||Inquriy|
Gadd45a is a member of the Gadd45 family of genes that are known as stress sensors, which modulates the cellular response to multiple stress conditions, such as genotoxic and oncogenic stress. The complex role of stress sensors in monitoring tumor development is not fully understood, the best example being a variety of functions attributed to p53 in tumor development and suppression. Gadd45a is a transcriptional target for tumor suppressors p53 and BRCA1, whose loss of function play important roles in cancer development, including breast tumorigenesis.
Gadd45a, the first well-defined p53 downstream gene, is induced by a variety of DNA-damaging agents and growth arrest signals, such as hypoxia, methylmethane sulfonate (MMS), ionizing radiation (IR), UV radiation (UVR), cisplatin, medium depletion and growth factor withdrawal. It is reported that high-frequency point mutations are found in exon 4 of Gadd45a in human pancreatic cancer and the expression level of Gadd45a, combined with p53 status, significantly affects the survival of patients. There is also evidence to show Gadd45a as an abnormally methylated gene in breast cancer. The key roles of Gadd45a have been well-demonstrated in multiple cellular processes. By physically interacting with Cdc2 kinase, Gadd45a can dissociate Cdc2/cyclinB1 complex and mediate G2/M cell cycle arrest. By interacting with proliferating cell nuclear antigen (PCNA), Gadd45a is involved in DNA repair process. Furthermore, it can induce apoptosis by promoting Bim translocation to mitochondria. Recently, controversial roles of Gadd45a in the control of DNA demethylation have been reported. As a tumor-suppressor gene, Gadd45a negatively regulates cell malignancy.
Tumor progression is considered to be a complex process, in which metastasis is the main cause of death in patients with malignancy. Several classes of proteins are involved in the cell metastatic process, including integrins, cell adhesion molecules (CAMs), extracellular matrix (ECM) and matrix metalloproteinases (MMPs). Gadd45a may not only play important roles in anti-tumorigenesis but also contribute to inhibiting tumor progression. It has been noted that Gadd45a might regulate matrix metalloproteinase through p38 MAP kinase and APC complex activation. The previous study has revealed that Gadd45a maintained cell-cell adhesion and cell contact inhibition by regulating β-catenin subcellular distribution. In addition, the recent report showed that Gadd45a regulates adhesion, migration and invasion of MEF cells in vitro. Furthermore, Gadd45a affects the expression of various genes involved in ECM, cell adhesion, cell communication. However, deregulations of these genes are caused neither by genomic aberrations nor methylation status. In general, Gadd45a could be involved in tumor progression by regulating related genes expressions.
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