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Beckman Research Institute of City of Hope

1500 E. Duarte Rd.
Duarte, CA 91010
United States

New ways of treating cancer using the body’s own immune system have been making big strides recently. Advancements in immunotherapy revolutionize the treatment of cancers. Adoptive transfer of engineered immune cells demonstrates significant anticancer efficacy. CAR (chimeric antigen receptor) receptors on engineered T cells enable them to better recognize and attack cancer cells. Diffuse intrinsic pontine glioma (DIPG) is a highly aggressive and difficult-to-treat brain tumor that usually occurs in children.

MLL-rearranged (MLL-r) leukemia account for more than 70% of infant ALL (acute lymphoblastic leukemia) cases and 35%-50% of infant AML (acute myeloid leukemia) cases. The status quo to the treatment of MLL-r leukemia can be summarized as: little or no curative effect. The prevalence of these hematological disorders impacting the pediatric patients and the lack of effective treatments highlight the critical need for novel therapeutic strategies.

Background

Background

We speculated that agents targeting the protein-protein interaction mediated through the interconnector domain loop of the protein caPCNA may be selectively and preferentially toxic to neuroblastoma (NB) cells while sparing normal cells. To test this premise, we designed a cell permeable peptide containing the target sequence of PCNA (R9-caPep). We found that this peptide selectively kills NB cells while exhibiting little effect on non-malignant cells.

Background


Medulloblastomas are the most common malignant childhood brain tumors. These devastating tumors develop in the cerebellum, which is located in the lower part of the brain and is important in motor control. Despite recent advances in treatment, current therapies for medulloblastoma are often severely damaging to brain development and skeletal growth. Therefore, new treatments are critically needed to improve the survival and quality of life of children with medulloblastoma.