Related topics: men · cancer · cancer cells · breast cancer · radiation therapy

New catalyst yields more accurate PSA test

Say you've been diagnosed with prostate cancer, the second-leading cause of cancer death in men. You opt for surgery to remove your prostate. Three months later, a prostate surface antigen (PSA) test shows no prostate cells ...

Feedback loop maintains basal cell population

Notch – the protein that can help determine cell fate – maintains a stable population of basal cells in the prostate through a positive feedback loop system with another key protein – TGF beta (transforming growth factor ...

Toward a disease-sniffing device that rivals a dog's nose

Numerous studies have shown that trained dogs can detect many kinds of disease—including lung, breast, ovarian, bladder, and prostate cancers, and possibly COVID-19—simply through smell. In some cases, involving prostate ...

Mapping Tumor Heterogeneity With Quantum Dots

(PhysOrg.com) -- One important discovery made about cancer over the past decade is that as a tumor develops, the molecular identity of its cells begins to diverge. As a result, any given tumor is likely to contain groups ...

Detecting the Undetectable in Prostate Cancer Testing

(PhysOrg.com) -- A team of Northwestern University researchers, using an extremely sensitive nanotechnology-based tool known as the biobarcode system, has detected previously undetectable levels of prostate-specific antigen ...

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