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The study combined large-scale protein post-translational modification datasets with protein-protein interaction data to profile cell signaling in lung cancer.

At the AACR annual meeting, researchers highlighted genomics- and proteomics-informed research aimed at establishing more effective, targeted immunotherapies.

Presentations largely reflected negatively on the utility of PD-L1 for stratifying response, but pivotal new data on tumor mutational burden as assessed by Foundation Medicine's genomic sequencing panel.

The company has highlighted the study as evidence that its test would outperform Roche's FDA-approved liquid biopsy assay if implemented in the clinic.

The new guidelines said ROS1, KRAS, BRAF, MET, RET, and HER2 should be included in targeted and expanded panels.

Investigators using droplet digital PCR methods are following cell-free tumor DNA in the blood, looking for patterns coinciding with immunotherapy treatment outcomes.

Last week's buys of two oncology labs will allow Quest to provide new cancer diagnostic technologies to communities lacking major cancer research centers, it said.

Collaborators have created an atlas that compares available PD-L1 IHC assays and reveals areas of debate, including challenges encountered by clinicians.

Using mass spec and small hairpin RNA, they built a map of ALK signaling and identified proteins that could sensitize tumor cells to inhibitor treatment.

Repeat molecular analysis of a patient's cancer helped clinicians guide targeted therapies as drug resistance emerged and ebbed.

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