Lactate chemical exchange saturation transfer (LATEST) MRI method has been shown to be applicable in detecting and imaging changes in the lactate level in human subjects post heavy exercise and to measure the lactate in a mouse model of lymphoma. In this study, LATEST was implemented to differentiate the lactate dehydrogenase (LDH) activity in vivo in two different preclinical glioma models. The two gliomas studied are widely used 9L (highly immunogenic, gliosarcoma) and F98 (weakly immunogenic, glioblastoma). The LATEST contrast was found to be higher in the tumor region of F98 rats compared to the 9L glioma carrying rats.
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