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Utilizing Radiation-Induced Multi-potency to Increase the Efficacy of Radiotherapy

Award Number: R01CA281682
ORGANIZATION: NATIONAL CANCER INSTITUTE
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 07/01/2023
PERIOD OF PERFORMANCE END DATE: 06/30/2028

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Utilizing Radiation-Induced Multi-potency to Increase the Efficacy of Radiotherapy - SUMMARY/ABSTRACT Radiation therapy (RT) is an integral part of the standard-of-care against glioblastoma (GBM). While the addition of RT to surgery over surgery alone significantly prolongs patient survival, all patients with GBM ultimately succumb to the disease and survival times are unacceptably low. So far, the addition of targeted or non-targeted therapies to surgery and RT have had limited success and indicate the need for novel strategies against this disease. There is ample evidence supporting the heterogeneity of GBM and the existence of a small population of glioblastoma stem cells (GSCs)), relatively resistant to RT and chemotherapy, and able to regrow the tumor. Together, treatment resistant GSCs, dispersion of cancer cells beyond the visible tumor, large areas of hypoxia and the blood-brain-barrier (BBB) add to the challenge GBM presents to cancer therapy. We have previously demonstrated that radiation reactivates stem cell programs causing cellular multipotency and plasticity, followed by the acquisition of an induced GSC state. Importantly, we showed that this process could be targeted and that preventing the induction of GSCs led to improved survival in animal models of GBM. We have now developed novel compounds that cross the BBB and prevent the radiation-induced generation of GSCs. Furthermore, our preliminary data indicate that a radiation-induced multipotent state can be utilized to allow for terminal differentiation of GBM cells. The studies proposed in this application build on these findings and take the research program into this exciting new direction to utilize this induced multipotent state for altering the radiation responses of GBM.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2025 ( Subtotal = $509,555 )
2025	2025	UNIVERSITY OF CALIFORNIA, LOS ANGELES	10889 WILSHIRE BLVD STE 700	LOS ANGELES	CA	90024	LOS ANGELES	USA	Cancer Treatment Research	000	3	6/10/2025	NON-COMPETING CONTINUATION	$509,555
														Subtotal = $509,555

Issue Date FY: 2024 ( Subtotal = $484,078 )
2024	2024	UNIVERSITY OF CALIFORNIA, LOS ANGELES	10889 WILSHIRE BLVD STE 700	LOS ANGELES	CA	90024	LOS ANGELES	USA	Cancer Treatment Research	000	2	6/13/2024	NON-COMPETING CONTINUATION	$484,078
														Subtotal = $484,078

Issue Date FY: 2023 ( Subtotal = $507,937 )
2023	2023	UNIVERSITY OF CALIFORNIA, LOS ANGELES	10889 WILSHIRE BLVD STE 700	LOS ANGELES	CA	90024	LOS ANGELES	USA	Cancer Treatment Research	000	1	5/19/2023	NEW	$507,937
														Subtotal = $507,937

Grand Total All Awards = $1,501,570

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Utilizing Radiation-Induced Multi-potency to Increase the Efficacy of Radiotherapy

Award Number: R01CA281682

ORGANIZATION: NATIONAL CANCER INSTITUTE

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

PERIOD OF PERFORMANCE START DATE: 07/01/2023

PERIOD OF PERFORMANCE END DATE: 06/30/2028

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