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Neurotensin Regulates Proliferation And Stem Cell Function In The Small Intestine In A Nutrient-Dependent Manner, Stephanie A. Rock, Kai Jiang, Yuanyuan Wu, Yajuan Liu, Jing Li, Heidi L. Weiss, Chi Wang, Jianhang Jia, Tianyan Gao, B. Mark Evers Sep 2021

Neurotensin Regulates Proliferation And Stem Cell Function In The Small Intestine In A Nutrient-Dependent Manner, Stephanie A. Rock, Kai Jiang, Yuanyuan Wu, Yajuan Liu, Jing Li, Heidi L. Weiss, Chi Wang, Jianhang Jia, Tianyan Gao, B. Mark Evers

Surgery Faculty Publications

BACKGROUND & AIMS: Intestinal stem cells (ISCs) are sensitive to dietary alterations and nutrient availability. Neurotensin (NT), a gut peptide localized predominantly to the small bowel and released by fat ingestion, stimulates the growth of intestinal mucosa under basal conditions and during periods of nutrient deprivation, suggesting a possible role for NT on ISC function.

METHODS: Leucine-rich repeat-containing G-protein coupled receptor 5-Enhanced Green Fluorescent Protein (Lgr5-EGFP) NT wild type (Nt+/+) and Lgr5-EGFP NT knockout (Nt-/-) mice were fed ad libitum or fasted for 48 hours. Small intestine tissue and crypts were examined by gene …


Association Between Obesity And Histological Tumor Budding In Patients With Nonmetastatic Colon Cancer, Tong Gan, Kurt B. Schaberg, Daheng He, Akila Mansour, Harit Kapoor, Chi Wang, B. Mark Evers, Therese J. Bocklage Apr 2021

Association Between Obesity And Histological Tumor Budding In Patients With Nonmetastatic Colon Cancer, Tong Gan, Kurt B. Schaberg, Daheng He, Akila Mansour, Harit Kapoor, Chi Wang, B. Mark Evers, Therese J. Bocklage

Surgery Faculty Publications

Importance: Obesity is associated with increased risk of colorectal cancer (CRC) and a more aggressive disease course. Tumor budding (TB) is an important prognostic factor for CRC, but its association with obesity is unknown.

Objective: To evaluate the association of TB with obesity and other prognostic factors in colon cancer.

Design, Setting, and Participants: This cohort study involved a histological review of colon cancer specimens obtained during 7 years (January 2008 to December 2015) at the University of Kentucky Medical Center; data analysis was conducted from February 2020 to January 2021. Specimens came from 200 patients with stage I to …