Differential sensitivity to Wnt signaling gradients in human gastric organoids derived from corpus and antrum
American Journal of Physiology-gastrointestinal and Liver Physiology(2023)
摘要
This study demonstrates that human gastric corpus organoids have a lower Wnt signaling threshold to drive optimal growth relative to patient-matched antral organoids. Paradoxically, supramaximal Wnt levels suppress corpus organoid proliferation, yet promote differentiation toward deep glandular cell types while simultaneously enhancing progenitor cell function. These findings provide novel insights into how Wnt signaling differentially regulates homeostasis in the human gastric corpus and antrum and contextualizes patterns of Wnt activation diseases.
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关键词
human gastric organoids,wnt
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