The ubiquitous neural cell adhesion molecule (N-CAM)
Elroy P Weledji1, Jules C Assob2
1Department of Surgery, Faculty of Health Sciences, University of Buea, Cameroon.
Annals of Medicine and Surgery (2012)
|January 9, 2015
Summary
Neural cell adhesion molecule (NCAM) mediates cell interactions crucial for development and function. This review explores NCAM variants and their roles in gut motility disorders and cancers.
Area of Science:
- Cell Biology
- Developmental Biology
- Neuroscience
Background:
- Adhesive interactions are fundamental to cellular processes like trafficking, differentiation, and tissue development.
- Neural cell adhesion molecule (NCAM) plays a key role in contact-mediated interactions within the nervous system and other tissues.
- NCAM exhibits diverse isoforms and variants due to alternative splicing and post-translational modifications.
Purpose of the Study:
- To review the functions and associations of NCAM and its variants.
- To discuss the involvement of NCAM and related molecules in interstitial cells of Cajal and gut motility.
- To examine the expression of NCAM in various carcinomas and mesenchymal tumors.
Main Methods:
- Literature review of studies on NCAM and its interactions.
- Analysis of NCAM expression patterns during embryogenesis and in different cell types.
- Examination of the role of NCAM variants in physiological and pathological conditions.
Main Results:
- NCAM is transiently expressed during embryogenesis and involved in neuronal and glial interactions.
- Variants like PSA-NCAM and L1CAM have distinct roles.
- NCAM interactions with interstitial cells of Cajal are implicated in gut motility disorders.
- NCAM expression is observed in certain carcinomas and mesenchymal tumors.
Conclusions:
- NCAM and its variants are critical regulators of cell adhesion with broad implications.
- Understanding NCAM's role is vital for addressing gut motility disorders and cancer progression.
- Further research into NCAM interactions can reveal novel therapeutic targets.
Related Concept Videos
Immunoglobulin-like Cell Adhesion Molecules
4.7K
Immunoglobulin-like cell adhesion molecules or Ig-CAMs are a versatile group of cell surface glycoproteins belonging to the immunoglobulin protein superfamily. Ig-CAMs possess the characteristic immunoglobulin protein domains and other domains such as the fibronectin type III domain. The Ig domains are glycosylated to varying degrees in different Ig-CAMs.
Ig-CAMs exhibit either homophilic binding (to other Ig-CAMs) or heterophilic binding (to other ligands such as integrins). While most Ig-CAMs...
Ig-CAMs exhibit either homophilic binding (to other Ig-CAMs) or heterophilic binding (to other ligands such as integrins). While most Ig-CAMs...
4.7K
Cell Adhesion Molecules - Types and Functions
10.7K
Cell adhesion molecules (CAMs) are pivotal to multicellularity and the coordinated functioning of tissues and organ systems. They enable physical interactions between cells and provide mechanical strength to tissues. They also function as receptors for signal transmission across the plasma membrane. The CAMs are broadly classified into four families - integrins, cadherins, selectins, and immunoglobulin-like CAMs (IgCAMs).
CAM Families
The Integrin family of proteins is primarily involved...
CAM Families
The Integrin family of proteins is primarily involved...
10.7K
Cell Adhesion Molecules - Types and Functions
4.8K
4.8K
Structure of Cadherins
5.3K
The cadherins were one of the first cell adhesion molecules discovered; the term “cadherins” is based on their calcium-dependent adhering properties. The first cadherins discovered on the epithelial, neuronal, and placental cells were named E-cadherin, P-cadherin, and N-cadherin, respectively. These classical cadherins share sequence and structural similarities. Other cadherins, including those involved in cell signaling, are grouped into non-classical cadherins. This...
5.3K
Cadherins in Tissue Organization
4.6K
The cadherins are a superfamily of cell adhesion molecules comprising over 180 variants, with specific tissues expressing a particular combination of cadherin types. Cadherins generally exhibit homophilic binding; i.e., cadherins on one cell bind to cadherins of the same or closely related type on another cell. Thus, cells of the same type have a specific affinity to bind to each other and sort themselves into clusters to form tissues.
Cell Sorting During Development
Cell sorting plays an...
Cell Sorting During Development
Cell sorting plays an...
4.6K
Catenins
3.3K
Catenins are characterized by multiple binding domains and dynamic structures that allow them to function as linker proteins in cell junction complexes. All catenins, except α-catenin, contain a characteristic protein sequence called the armadillo repeat and are therefore also called armadillo proteins.
Catenins in Cell Junctions
Catenins bind to cell adhesion molecules such as cadherins and link them to different cytoskeletal proteins depending on the type of cell junction. At the...
Catenins in Cell Junctions
Catenins bind to cell adhesion molecules such as cadherins and link them to different cytoskeletal proteins depending on the type of cell junction. At the...
3.3K


