Paneth Cells
Paneth Cells - Related Videos
07:48
Protocols for Analyzing the Role of Paneth Cells in Regenerating the Murine Intestine using Conditional Cre-lox Mouse Models
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Cited by 3 •
2015
Intestinal epithelial stem cells (ISCs) are intermingled with Paneth cells. These cells are differentiated progeny of the ISC, which support the ISCs and provide antibacterial protection. Here we demonstrate how we used transgenic conditional mouse models to establish that Paneth cells play a crucial role in maintaining the intestinal epithelia.
01:33
Adult Stem Cells
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2019
Stem cells are undifferentiated cells that divide and produce more stem cells or progenitor cells that differentiate into mature, specialized cell types. All the cells in the body are generated from stem cells in the early embryo, but small populations of stem cells are also present in many adult tissues including the bone marrow, brain, skin, and gut. These adult stem cells typically produce the various cell types found in that tissue—to replace cells that are damaged or to continuously renew...
10:04
Tractable In Vivo Reprogramming of Tumor Cells to Type 1 Conventional Dendritic Cell-like Cells
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2025
This protocol describes the in vivo reprogramming of mouse cancer cells into type 1 dendritic-like cells within the tumor microenvironment through enforced expression of the transcription factors PU.1, IRF8, and BATF3.
22:06
Derivation of Hematopoietic Stem Cells from Murine Embryonic Stem Cells
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Cited by 8 •
2007
This protocol details the derivation of transplantable hematopoietic stem cells from mouse embryonic stem cells (ESC) and their subsequent injection into lethally irradiated recipient mice. Briefly, ESC are differentiated as embryoid bodies, which are then infected with retroviral HoxB4 and co-cultured with OP9 stromal cells and hematopoietic cytokines.
02:47
Human ES cells: Starting Culture from Frozen Cells
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2006
Here we demonstrate how our lab begins a HuES human embryonic stem cell line culture from a frozen stock.
FAQs
Microbial signals can trigger Paneth cells to release antimicrobial factors, linking detection of intestinal microbes to a local protective response. This inducible activity is important because secretion is not simply a static barrier: it responds to changing biological conditions in the gut. The resulting control of nearby microbes contributes to intestinal defense and helps preserve tissue homeostasis.
Defensins and lysozyme are antimicrobial factors released by Paneth cells. Their activity limits pathogen growth within the intestine and helps shape the composition of the intestinal microbiota. This gives Paneth cell secretion a dual biological significance: it contributes to host defense while influencing the microbial community that shares the gut environment.
Paneth cells support nearby intestinal stem cells by providing niche signals, including Wnt and epidermal growth factor. These signals promote epithelial renewal, so Paneth cells contribute not only to immediate microbial defense but also to replacement of intestinal epithelial cells. This relationship makes them important for studying how protective and regenerative functions coexist in crypt tissue.
Studying Paneth cells helps connect microbial signals with host protection in the intestine. Researchers can examine how secretion of defensins and lysozyme limits pathogen growth while shaping the surrounding microbiota. This makes the cells useful for investigating host-microbe interactions as a dynamic relationship rather than viewing microbes and intestinal tissue separately.
Research on Paneth cells places intestinal barrier function in the context of both microbial control and epithelial renewal. Their secreted defensins and lysozyme help limit pathogen growth, while niche signals support stem cells that renew the epithelium. Considering both outputs helps explain how intestinal defense and tissue maintenance are biologically connected.
Paneth cell biology is relevant to disease research because these cells participate in antimicrobial defense, microbiota regulation, and epithelial renewal. Changes in these connected functions could be examined when investigating intestinal inflammation or infection. Their study therefore offers a way to relate altered host-microbe interactions to barrier problems and impaired tissue homeostasis.