Microscale functional cytomics for studying hematologic cancers.

Area of Science:

• Oncology
• Biotechnology
• Cell Biology

Background:

• Translational cancer research faces challenges in functionally characterizing primary patient cancer cells and stromal cells.
• Limited sample availability, insufficient functional data, and inaccessible methods hinder progress in understanding cancer biology and selecting therapies.

Purpose of the Study:

• To develop and validate a microscale cell culture platform to overcome limitations in functional characterization of primary cancer cells.
• To enable high-content functional cytomics for hematologic malignancies, facilitating mechanistic understanding and therapy selection.

Main Methods:

• A microscale cell culture platform was designed to compartmentalize small cell populations in controlled microenvironments.
• Custom image analysis software was developed to measure single-cell viability and protein subcellular localization.
• The platform was validated using multiple myeloma and chronic lymphocytic leukemia patient samples, assessing cell viability and key signaling pathway activation (NF-κB, STAT3).

Main Results:

• The platform successfully compartmentalized adherent and nonadherent cells, mimicking physiological conditions and enabling cell-cell interaction studies.
• Single-cell analysis provided insights into cellular response heterogeneity, including viability and nuclear translocations of NF-κB and STAT3.
• NF-κB activation was successfully analyzed in a primary chronic lymphocytic leukemia patient sample.

Conclusions:

• The developed microscale cell culture platform effectively addresses limitations in functional analysis of primary cancer cells, particularly for hematologic malignancies.
• This platform enables high-content functional cytomics, offering a powerful tool for investigating cancer biology and guiding therapeutic strategies.