Abstract

Accumulated evidence has demonstrated a key role of mitochondria in the onset and progression of autoimmune disease. Understanding and modulation of mitochondrial dysfunction could provide new molecular targets for both preventive and therapeutic intervention in disease management. The ability to assess mitochondrial function has enabled rheumatologists to advance the understanding of the contribution of cellular metabolism in cellular physiology and disease pathology and etiology. Direct measurement of oxygen consumption rate using an Agilent Seahorse XF measurement system has been widely used as the gold-standard assay for evaluating mitochondrial function in cells. Using this assay system, measurement of parameters of basal respiration, ATP production, proton leak, maximal respiration, spare respiratory capacity, and nonmitochondrial respiration can be achieved. An optimized method which works well in mouse splenocytes and a Jurkat cell line is presented in this chapter.

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