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Related Experiment Video

Updated: Jan 28, 2026

Working with Human Tissues for Translational Cancer Research

Working with Human Tissues for Translational Cancer Research

Published on: November 26, 2015

Rab24 protein levels show dynamic changes in mouse tissues and human cancers.

H G Mauricio Ramm¹, Farhad Ahmed¹, Sadaf Fazeli^1,2

¹Institute of Biomedicine, University of Turku, Kiinamyllynkatu 10, 20520, Turku, Finland.

Cell and Tissue Research

|January 27, 2026

Summary

Rab24 protein levels vary by organ and age in mice, suggesting specific roles in neuronal and epithelial maintenance. Its altered expression in human cancers indicates potential as a diagnostic marker.

Keywords:

Brain cancer Cancer Mouse tissues Neuroblastoma Pancreatic neuroendocrine tumours Rab24

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Area of Science:

Cell Biology
Molecular Biology
Oncology

Background:

Rab24 is a small GTPase involved in cellular processes like autophagy and endocytosis.
Its organ- and age-specific functions remain largely uncharacterized.

Purpose of the Study:

To investigate the tissue-specific and age-dependent expression patterns of Rab24 in mice.
To explore the potential roles of Rab24 in neuronal and epithelial maintenance.
To analyze Rab24 expression in human cancers and normal tissues for potential diagnostic applications.

Main Methods:

Western blotting and immunohistochemistry were used to determine Rab24 protein levels in mouse tissues from postnatal day 1 to 9 months.
Immunohistochemistry was also performed on human cancer and normal tissue samples.

Main Results:

Rab24 protein levels were highest in adult mouse brain and kidney, with dynamic changes during postnatal development.
Rab24 was localized to neuronal and epithelial cells, suggesting roles in maintenance.
Rab24 expression differed significantly between various human cancers and normal tissues, with elevated levels in breast and skin cancers, and reduced levels in digestive and urinary tract cancers.

Conclusions:

Rab24 exhibits distinct tissue- and age-specific expression patterns in mice, implying specialized functions.
Rab24 may play a role in neuronal and epithelial cell maintenance.
Altered Rab24 expression in human cancers suggests its potential as a diagnostic or differentiation marker for specific tumor types.