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Thus, pharmacological reactivation of p53 presents itself as a viable cancer treatment option. [56] [57] The first commercial gene therapy, Gendicine, was approved in China in 2003 for the treatment of head and neck squamous cell carcinoma. It delivers a functional copy of the p53 gene using an engineered adenovirus. [58]
Even though PUMA function is compromised in most cancer cells, it does not appear that genetic inactivation of PUMA is a direct target of cancer. [ 36 ] [ 37 ] [ 38 ] Many cancers do exhibit p53 gene mutations, making gene therapies that target this gene [ clarification needed ] impossible, but an alternate pathway may be to focus on ...
Tumor suppressor p53-binding protein 1 also known as p53-binding protein 1 or 53BP1 is a protein that in humans is encoded by the TP53BP1 gene. [ 5 ] [ 6 ] [ 7 ] Clinical significance
Gendicine enters the tumour cells by way of receptor-mediated endocytosis and begins to over-express genes coding for the p53 protein needed to fight the tumour. [3] Ad-p53 seems to act by stimulating the apoptotic pathway in tumour cells, which increases the expression of tumour suppressor genes and immune response factors (such as the ability of natural killer (NK) cells to exert "bystander ...
Cancer gene therapy was introduced in 1992/93 (Trojan et al. 1993). [167] The treatment of glioblastoma multiforme, the malignant brain tumor whose outcome is always fatal, was done using a vector expressing antisense IGF-I RNA (clinical trial approved by NIH protocol no.1602 24 November 1993, [168] and by the FDA in 1994). This therapy also ...
The proteins produced by these genes may serve as targets for novel chemotherapy drugs and other cancer treatments, or imaging scans. Scientists use a range of techniques to validate the role of the novel candidate genes in the development of cancer. The ultimate aim is to translate these findings into improved treatment options for cancer ...
Indirect gene therapy. One of the challenges of cancer treatment is how to destroy malignant tumors without damaging healthy cells. A new method that shows great promise for accomplishing this employs the use of a suicide gene. A suicide gene is a gene which will cause a cell to kill itself through apoptosis.
The treatment for cancer varies depending on its type and how advanced it is. Chemotherapy is a common treatment that uses drugs to kill cancer cells. It works by damaging the DNA of cancer cells or stopping them from dividing. This process can also impact genes that control cell growth, affecting both cancer-causing and anticancer genes.