Related Experiment Video
Updated: Mar 3, 2026

09:10
Intestinal Epithelial Regeneration in Response to Ionizing Irradiation
Published on: July 27, 2022
2.7K
Cell reintegration: Stray epithelial cells make their way home
Tyler J Wilson1, Dan T Bergstralh1
1Department of Biology, University of Rochester, Rochester, NY, USA.
Summary
Misplaced epithelial cells can reintegrate into tissues, maintaining tissue stability and structure. This process in Drosophila relies on lateral cell surface adhesion molecules for epithelial cell reintegration.
Area of Science:
- Developmental Biology
- Cell Biology
- Tissue Engineering
Background:
- Epithelial cells can become misplaced during tissue development and maintenance.
- Tissue stability and structure are influenced by cell positioning and movement.
- Understanding cell reintegration mechanisms is crucial for regenerative medicine.
Purpose of the Study:
- To review observations on epithelial cell reintegration.
- To discuss the role of adhesion molecules in this process.
- To explore implications for epithelial tissue development and maintenance.
Main Methods:
- Review of existing literature on cell reintegration.
- Analysis of studies on Drosophila follicular epithelium.
- Focus on the role of lateral cell surface adhesion molecules.
Main Results:
- Misplaced epithelial cells demonstrate a capacity for reintegration into tissue layers.
- Cell reintegration contributes to tissue stability and structural integrity.
- Adhesion molecules on lateral cell surfaces are key mediators of reintegration in Drosophila.
Conclusions:
- Epithelial cell reintegration is a fundamental process for tissue homeostasis.
- Adhesion molecules play a critical role in mediating cell movement and tissue repair.
- Further research is needed to fully elucidate the mechanisms and therapeutic potential of cell reintegration.
Related Concept Videos
Renewal of Intestinal Stem Cells
3.4K
The intestinal epithelial lining rapidly renews every 4 to 5 days. The renewal is facilitated by intestinal stem cells (ISCs) located at the base of the crypt– a gland located at the bottom of each villus. ISCs divide asymmetrically to form new stem cells and progenitor daughter cells. The daughter cells are called transit-amplifying (TA) cells which move upwards along the crypt and either differentiate into absorptive cells– the enterocytes or secretory cells– including the...
3.4K
Clinical Applications of Epidermal Stem Cells
3.4K
Epidermal stem cells (EpiSCs) are mainly located at the basal layer of the epidermis. These cells repair minor injuries of the skin and replace dead skin cells. However, EpiSCs’ cannot heal severe wounds such as major burns or those from diabetes or hereditary disorders. In such cases, culturing the epidermal stem cells from the patient is possible and has yielded successful treatment options, such as laboratory-grown skin grafts. These grafts are synthesized using a patient’s own...
3.4K
Role of Ephrin-Eph Signalling in Intestinal Stem Cell Renewal
2.7K
Erythropoietin-producing hepatocellular carcinoma receptor (Eph) and its ligand, Eph receptor-interacting protein (Ephrin) were first discovered in the human carcinoma cell line, hence the name. Ephrin-Eph interaction guides cells to reach their appropriate location in adult tissues. They also play an essential role in the immune system by helping in immune cell migration, adhesion, and activation. Based on their structure and function, Eph is divided into two classes — EphA and EphB.
2.7K
Metastasis
6.7K
Metastasis is the spread of cancer cells from the original site to distant locations in the body. Cancer cells can spread via blood vessels (hematogenous) as well as lymph vessels in the body.
Epithelial-to-Mesenchymal Transition
The epithelial-to-mesenchymal transition or EMT is a developmental process commonly observed in wound healing, embryogenesis, and cancer metastasis. EMT is induced by transforming growth factor-beta (TGF-β) or receptor tyrosine kinase (RTK) ligands, which further...
Epithelial-to-Mesenchymal Transition
The epithelial-to-mesenchymal transition or EMT is a developmental process commonly observed in wound healing, embryogenesis, and cancer metastasis. EMT is induced by transforming growth factor-beta (TGF-β) or receptor tyrosine kinase (RTK) ligands, which further...
6.7K

