A First-in-Class Treatment for Progressive Multifocal Leukoencephalopathy Via Multimodal Immune System Engineering

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Grant Award Details

Grant Number:
DISC2-14907
Investigator(s):
Human Stem Cell Use:
Award Value:
$2,182,396
Status:
Active

Grant Application Details

Application Title:

A First-in-Class Treatment for Progressive Multifocal Leukoencephalopathy Via Multimodal Immune System Engineering

Public Abstract:
Research Objective

We propose to discover genome- and epigenome-edited allogeneic T cells engineered to selectively target JCV as a potentially lifesaving treatment for progressive multifocal leukoencephalopathy (PML).

Impact

If successful, we would revolutionize treatment for PML patients in whom T cell immunity cannot be restored or boosted and unable to wait for adoptive transfer of donor-derived cell-based therapies.

Major Proposed Activities

  • In vitro evaluation of JC virus-specific TCRs
  • Multiplex engineering to develop an allogeneic T cell product
  • Epigenome editing of T cell product to enhance on-target potency
  • In vivo evaluation of engineered JC virus-specific TCRs
  • Identify additional JCV virus-specific TCRs for ethnically diverse HLA-A haplotypes
  • Isolate and evaluate high affinity TCRs to expand capacity of therapeutic opportunities
Statement of Benefit to California:
The proposed research will benefit the State of California and its citizens by developing a therapy accessible to patients of diverse backgrounds. While our focus is to develop an allogeneic T cell therapy for PML, once the bench-to-bedside therapeutic pipeline is built, it can be leveraged to develop therapeutics for other neuroinflammatory diseases with antigen-specific, CRISPR-engineered cell therapies, offering neurologic patients a potentially effective and curative therapy.