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  4. CURTAILING INFLAMMATION BY REMOVAL OF CELLULAR DEBRIS IN THE INTESTINE: METHODS OF IN VIVO IMAGING STUDIES

CURTAILING INFLAMMATION BY REMOVAL OF CELLULAR DEBRIS IN THE INTESTINE: METHODS OF IN VIVO IMAGING STUDIES

File(s)
Williams_cornell_0058O_11682.pdf (519.05 KB)
Permanent Link(s)
https://doi.org/10.7298/abxz-dm46
https://hdl.handle.net/1813/113960
Collections
Cornell Theses and Dissertations
Author
Williams, Ulysses
Abstract

Stem cells have an intrinsic ability to produce daughter cells. As the organism ages, gut function declines, the stem cells become abnormal, and the cell surfaces in the gut do not regenerate efficiently. There is evidence of inflammation associated with injury accumulating in the gut. In vivo optical imaging and femtosecond laser ablation has enabled detailed studies of cellular dynamics in the gut of rodents. These imaging techniques revealed stem cells in the intestine reorganize to restore homeostasis after perturbation by laser ablation of a few cells at the base of the stem cell crypt. In this work we investigated the correlation between the damage in the crypts and the number of macrophages that penetrate the crypt epithelium and are inside the crypt as a result of an induced injury. Damage in the crypt was positively correlated with the area of macrophage processes invading into the crypt supporting the hypothesis.

Date Issued
2023-05
Committee Chair
Nishimura, Nozomi
Committee Member
Schaffer, Chris
Degree Discipline
Biomedical Engineering
Degree Name
M.S., Biomedical Engineering
Degree Level
Master of Science
Type
dissertation or thesis
Link(s) to Catalog Record
https://newcatalog.library.cornell.edu/catalog/16176563

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