Target intelligence / Profile preview

Chondrosarcoma-associated gene 1 protein (CSAG1)

Target
CSAG1
Molecular classification
Other (Tumor antigen, centrosomal-associated protein)
01

Overview

Chondrosarcoma-associated gene 1 protein (CSAG1) is a tumor antigen expressed in chondrosarcomas and certain normal tissues such as testis[1]. CSAG1 localizes to the centrosome and plays a critical role in maintaining the integrity of the mitotic spindle pole by constraining the pericentriolar material, thereby ensuring proper chromosome segregation[2][3]. Its loss leads to abnormal spindle pole formation (multipolar mitosis), especially in cells with defective p53 function, suggesting a specific vulnerability in cancer cells lacking p53. CSAG1 may thus represent a candidate for targeted therapy in select cancers[2][3]. There is no current evidence for approved drugs directly targeting CSAG1, nor is it an established clinical biomarker or therapeutic target as of now.

Other names
CSAGECT24.1Cancer/testis antigen 24.1Cancer/testis antigen CSAGECancer/testis antigen family 24, member 1
02

Biological functions

Cell cycleMitosisSpindle pole integrityCentrosome maintenance
03

Disease associations

CancerChondrosarcoma
04

Safety considerations

Potential toxicity due to role in mitosis and cell divisionon-target effects on non-cancer tissues (e.g., testis) possible

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