Advancements in understanding and treating CXCL16/CXCR6 in tumors and in inflammatory diseases: a narrative review

Xiaohong Li1,2, Shuai Liu1, Die Qian1,2

  • 1First Clinical Medical College, School of Pharmacy and School of Basic Medicine, Yunnan University of Chinese Medicine, Kunming, China.

Insights

The CXCL16/CXCR6 axis has dual roles in disease, acting as both a promoter and inhibitor. Understanding its context-dependent functions is key for developing targeted therapies against cancer and inflammatory conditions.

Area of Science:

  • Immunology
  • Oncology
  • Pathology

Background:

  • The CXCL16/CXCR6 axis plays a complex role in various diseases.
  • Its function is context-dependent, capable of both promoting and inhibiting disease progression.

Purpose of the Study:

  • To systematically review the dual regulatory functions of the CXCL16/CXCR6 axis.
  • To analyze its role in neoplasms and inflammatory disorders.
  • To explore advancements in targeting this axis for therapeutic development.

Main Methods:

  • Systematic literature review.
  • Analysis of functional spectrum across different diseases.
  • Review of drug development targeting the CXCL16/CXCR6 axis.

Main Results:

  • The CXCL16/CXCR6 axis exhibits bidirectional regulatory mechanisms in the tumor microenvironment.
  • Tumor heterogeneity and CXCL16 isoforms influence functional outcomes.
  • The axis shows potential as a predictive marker in inflammatory diseases like asthma.

Conclusions:

  • The CXCL16/CXCR6 axis acts as a 'double-edged sword' in disease pathogenesis.
  • Identifying critical nodes of functional alteration is crucial for targeted therapy development.
  • Further research is needed to harness the therapeutic potential of targeting this axis.

Related Concept Videos

Targeted Cancer Therapies02:57

Targeted Cancer Therapies

The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against specific...
Inflammatory Bowel Disease III: Crohn's Disease01:25

Inflammatory Bowel Disease III: Crohn's Disease

Crohn’s disease is a chronic, relapsing form of inflammatory bowel disease characterized by segmental, transmural inflammation that can affect any part of the gastrointestinal tract. Its pathogenesis arises from a combination of genetic susceptibility, environmental exposures, epithelial barrier dysfunction, and immune dysregulation. Together, these factors lead to an exaggerated immune response against components of the gut microbiome.Genetic and Environmental InfluencesMultiple genetic...
The Tumor Microenvironment02:17

The Tumor Microenvironment

Every normal cell or tissue is embedded in a complex local environment called stroma, consisting of different cell types, a basal membrane, and blood vessels. As normal cells mutate and develop into cancer cells, their local environment also changes to allow cancer progression. The tumor microenvironment (TME) consists of a complex cellular matrix of stromal cells and the developing tumor. The cross-talk between cancer cells and surrounding stromal cells is critical to disrupt normal tissue...
Mesenchymal Stem Cells01:19

Mesenchymal Stem Cells

Mesenchymal stem cells (MSCs) are adult stem cells that can differentiate into most connective tissue cell types, except for hematopoietic cells, depending upon the source of MSCs. For example, bone-marrow-derived MSCs (BM-MSCs) can differentiate into osteocytes, hepatocytes, and pancreatic and neuronal cells. MSCs can be isolated from various sources such as bone marrow, placenta, adipose tissue, teeth, and Wharton’s jelly, a gelatinous substance in the umbilical cord. The ease of their access...
The JAK-STAT Signaling Pathway01:20

The JAK-STAT Signaling Pathway

Several cytokine receptors have tightly bound Janus kinase or JAK proteins attached at their cytosolic tail. Small signaling molecules such as cytokines, growth hormones, or prolactins bind to the cytokine receptors and initiate their dimerization. The dimerization brings the cytosolic JAKs together that trans-phosphorylate and activates each other. The activated JAKs now phosphorylate cytosolic tails of the cytokine receptors, which serve as binding sites for adaptor proteins such as  SH2...
Non-Canonical Wnt Signaling Pathways01:41

Non-Canonical Wnt Signaling Pathways

Wnt is a zygotic effect gene that is expressed during very early embryonic development. It regulates various processes in animals starting from early development through the adult stage, such as organogenesis in the embryo and maintenance of neuronal and blood stem cells. Wnt proteins can induce a wide variety of intracellular pathways depending upon the specific abilities of different Wnt ligands to form a complex with shared and cognate receptors in the presence of different co-receptors. The...