Postdoctoral Fellow

Cold Spring Harbor, New York
Commensurate with experience
March 20 2019
Position Type
Full Time
Organization Type

Postdoctoral Fellow

The Sheltzer Lab at Cold Spring Harbor is seeking postdoctoral researchers for a funded project identifying novel cancer drug targets.

Our laboratory is using CRISPR mutagenesis to uncover unique cancer “dependencies” and to characterize the mechanism-of-action of different anti-cancer agents. Unexpectedly, we have found that many drugs used in human patients have been designed to target proteins that are non-essential for cancer proliferation. Moreover, we’ve demonstrated that these drugs necessarily act by inhibiting some other off-target protein(s).

We are applying a combination of techniques, including CRISPR screens, targeted mutagenesis, live-cell microscopy, and drug biochemistry, to study a variety of cancer drugs and to figure out how they actually work. Through these approaches, we have found that one mis-characterized drug functions by targeting the cyclin-dependent kinase CDK11B – the first inhibitor of this kinase to be discovered. This finding sheds light on a poorly-studied cell cycle regulator and unlocks an entirely new target for cancer drug development. We are seeking to both learn more CDK11B’s function in cancer and to apply similar approaches to characterize other small molecule drugs. By discovering the true mechanism-of-action of mis-characterized inhibitors, we hope to identify biomarkers that can be used to accurately predict patient sensitivity and to monitor drug efficacy in vivo.

The Sheltzer Lab is a highly-collaborative environment that values rigorous research and that welcomes scientists from all backgrounds. We are located at Cold Spring Harbor Laboratory, an immersive research institute on the outskirts of New York City. Cold Spring Harbor is an NCI-designated Cancer Center, and every year over 10,000 scientists journey to Cold Spring Harbor to attend one of CSHL’s renowned Meetings and Courses.

More information on research conducted in the Sheltzer Lab can be found on our website at

CSHL is an EO/AA Employer. All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or protected veteran status.

Interested candidates should send a cover letter and CV to Please also apply for this this position via the CSHL website at:

Position Number: 02279-R


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