Function and histopathology of a cell adhesion molecule TSLC1 in cancer

Qi-Lian Liang1, Guo-Qiang Chen, Zhou-Yu Li

  • 1Department of Oncology, Affiliated Hospital of Guangdong Medical College, Zhanjiang, China. qilianl@yahoo.com

Cancer Investigation
|February 19, 2011
PubMed

Insights

Tumor suppressor TSLC1 loss, through epigenetic silencing or LOH, drives cancer. TSLC1 links cell adhesion to intracellular signals, offering potential as a cancer biomarker and therapeutic target.

Area of Science:

  • Oncology
  • Molecular Biology
  • Epigenetics

Background:

  • TSLC1 (Tumor Suppressor in Lung Cancer 1) is crucial in tumorigenesis.
  • Loss of TSLC1 expression via epigenetic silencing or Loss of Heterozygosity (LOH) is common in various cancers.

Purpose of the Study:

  • To summarize TSLC1 function in tumor suppression.
  • To review TSLC1's role in cancer histopathology and clinicopathological characteristics.
  • To propose TSLC1 as a biomarker and therapeutic target.

Main Methods:

  • Literature review and synthesis of existing research on TSLC1.
  • Analysis of TSLC1's functional domains and signaling pathways.
  • Correlation analysis of TSLC1 expression with cancer pathology and clinical features.

Main Results:

  • TSLC1 mediates tumor suppressor network formation through its multidomain structure.
  • TSLC1 connects extracellular adhesion to intracellular signaling pathways.
  • TSLC1 expression levels correlate with specific cancer histopathology and clinical characteristics.

Conclusions:

  • TSLC1 plays a vital role in preventing tumor formation.
  • TSLC1 is a promising biomarker for cancer diagnosis.
  • Targeting TSLC1 may offer a new therapeutic strategy for cancer treatment.

Related Concept Videos

Cell Adhesion Molecules - Types and Functions01:20

Cell Adhesion Molecules - Types and Functions

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 in a...
Cell Adhesion Molecules - Types and Functions01:20

Cell Adhesion Molecules - Types and Functions

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 in a...
Cadherins in Tissue Organization01:19

Cadherins in Tissue Organization

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...
Selectins01:25

Selectins

Cell adhesion is  an essential aspect of multicellularity. While stable cell interactions usually occur between cells of the same type, transient cell interactions occur between cells of different tissue types, such as between neutrophils and endothelial cells. Selectins are one class of cell adhesion molecules (CAMs) that bind carbohydrate ligands to form transient cell adhesion. They are rod-like proteins with a long extracellular part of variable length ending with the lectin domain, which...
Intracellular Signaling Affects Focal Adhesions01:17

Intracellular Signaling Affects Focal Adhesions

Integrins act both as extracellular input receivers and as intracellular processing activators. As their name suggests, integrins are entirely integrated into the membrane structure. Their hydrophobic membrane-spanning regions interact with the phospholipid bilayer's hydrophobic region. These membrane receptors provide extracellular attachment sites for effectors like hormones and growth factors. They activate intracellular response cascades when their effectors are bound and active.
Some...
Immunoglobulin-like Cell Adhesion Molecules01:31

Immunoglobulin-like Cell Adhesion Molecules

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...