CAR-NK Cells and Myeloid Cell Activation
Author Information
Author(s): Khanal Supreet, Baer Alan, Hossain Md Kamal, Colon-Moran Winston, Panthi Santosh, Bhattarai Nirjal
Primary Institution: U.S. FDA
Hypothesis
Do soluble factors released by CAR-NK cells activate bystander myeloid cells?
Conclusion
PB-CAR-NK cells induce myeloid cell activation but to a lesser extent than PB-CAR-T cells, and specific soluble factors can be targeted to reduce inflammatory toxicities.
Supporting Evidence
- PB-CAR-T cells secrete significantly higher levels of inflammatory cytokines than PB-CAR-NK cells.
- Neutralization of specific soluble factors significantly reduces myeloid cell activation.
- PB-NK cells cause higher levels of myeloid cell activation compared to CB-NK cells.
Takeaway
This study found that certain cells from blood can make other immune cells more active, which can cause problems. But by changing what those cells release, we might make treatments safer.
Methodology
The study characterized soluble factors from activated CAR-T and CAR-NK cells and assessed their role in activating bystander myeloid cells.
Limitations
The study did not fully eliminate the expression of inflammatory factors, which may still contribute to myeloid cell activation.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website