What is the relationship between the structure, stability, and dynamics of proteins? 

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We study how human cells sense and respond to mechanical stress.

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Cellular responses to mechanical strain are critical for regeneration, and tissue homeostasis, and are frequently mis-regulated in cancer. Understanding how these processes work is important for devising approaches for organ regeneration and cancer treatment.

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We use a combination of molecular and cell biology, genome editing, and computational modeling to determine at a molecular level how cells sense and respond to mechanical strain.

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We are a collaborative team of dedicated researchers dedicated to discovering fundamental principles in cell biology.

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Research Highlights

The ability of the LIMD1 and TRIP6 LIM domains to bind strained f-actin is critical for their tension dependent localization to adherens junctions and association with the Hippo pathway kinase LATS1 
Ray, S., DeSilva, C., Dasgupta, I., Mana-Capelli, S.,  Cruz-Calderon, N, McCollum, D.

Cryoskeleton (Hoboken) Sep 2024. Epub March 2024. PMCID: PMC11366040.


TRIP6 inhibits Hippo signaling in response to tension at adherens junctions
Dutta, S., ManaCapelli, S.Paramasivam, MDasgupta, I., Cirka, H., Billiar, K., McCollum, D.

EMBO Rep 2018. PMCID: PMC5797958

 


Angiomotins link F-actin architecture to Hippo pathway signaling
Mana-Capelli, S,Paramasiva, M, Dutta, S., McCollum, D.

Mol Biol Cell. 2014 PMCID: PMC4019498.



McCollum Lab News

  • bmb blog resized hippo.png

    BMB celebrates the work of Dr. McCollum on Hippo Day 2023!

    Happy Hippo Day! The Biochemistry & Molecular Biology Department is celebrating by highlighting the work from one of our labs that studies Hippo signaling. No, not the animal, but the cellular signaling pathway that controls cell fate and organ size! Dr. Dan McCollum's lab studies how cells sense and process information from physical forces around them.

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