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Brain tumor organoids accurately model patient response to CAR T cell therapy
Microscopic view of a glioblastoma organoid.

A patient-derived glioblastoma organoid treated with dual-target CAR-T cells. T cells (magenta) infiltrate the tumor organoid and kill tumor cells (blue; yellow indicates dying cells).

(Image: Yusha Sun and Xin Wang from the laboratories of Guo-li Ming and Hongjun Song)

Brain tumor organoids accurately model patient response to CAR T cell therapy

Lab-grown tumors respond to cell therapy the same as tumors in the patients’ brains, according to researchers at Penn Medicine.

Kelsey Geesler

2 min. read

A lipid nanoparticle delivers an mRNA cure for preeclampsia
Kelsey Swingle working in a lab.

Kelsey Swingle at work in the lab of Michael Mitchell.

(Image: Kevin Monko)

A lipid nanoparticle delivers an mRNA cure for preeclampsia

Doctoral student Kelsey Swingle developed a lipid nanoparticle that delivers an mRNA therapeutic that reduces maternal blood pressure through the end of gestation and improves fetal health and blood circulation in the placenta.

Melissa Pappas

Payroll deduction savings programs improve retirement security: State auto IRAs are vital to expanding coverage

Payroll deduction savings programs improve retirement security: State auto IRAs are vital to expanding coverage

New AARP research based on a methodology published by the Wharton School finds that about half of American working adults lack access to a payroll-deduction workplace retirement savings plan, making it much more difficult to save for retirement.

Mapping molecular arrangements to pave the way for better catalytic systems
Bright spots represent individual catalyst molecules captured under cryogenic conditions to prevent clustering.

Eric Stach of the School of Engineering and Applied Science and colleagues used neural networks to better identify the characteristics of catalysts that drive the creation of liquid fuels from sunlight. Shown here: The arrangement of a catalyst molecule, as observed under cryogenic conditions. The bright spots represent individual or small groups of molecules immobilized on a surface and the cryogenic temperature helps minimize clustering caused by the electron beam during imaging, allowing scientists to study the molecule’s distribution more accurately.

(Image: Sungho Jeon)

Mapping molecular arrangements to pave the way for better catalytic systems

The Stach Group in Penn Engineering led a collaborative team identifying how chemical catalysts drive the creation of liquid fuels from sunlight, paving the way for more efficient removal of greenhouse gases from the atmosphere.