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Review
. 2023 Aug;21(4):344-353.
doi: 10.1007/s11914-023-00797-4. Epub 2023 Jun 6.

Amino Acid Metabolism in Bone Metastatic Disease

Deanna N Edwards  1   2
Affiliations
Review

Amino Acid Metabolism in Bone Metastatic Disease

Deanna N Edwards. Curr Osteoporos Rep. 2023 Aug.

Abstract

Purpose of review: Breast and prostate tumors frequently metastasize to the bone, but the underlying mechanisms for osteotropism remain elusive. An emerging feature of metastatic progression is metabolic adaptation of cancer cells to new environments. This review will summarize the recent advances on how cancer cells utilize amino acid metabolism during metastasis, from early dissemination to interactions with the bone microenvironment.

Recent findings: Recent studies have suggested that certain metabolic preferences for amino acids may be associated with bone metastasis. Once in the bone microenvironment, cancer cells encounter a favorable microenvironment, where a changing nutrient composition of the tumor-bone microenvironment may alter metabolic interactions with bone-resident cells to further drive metastatic outgrowth. Enhanced amino acid metabolic programs are associated with bone metastatic disease and may be further augmented by the bone microenvironment. Additional studies are necessary to fully elucidate the role of amino acid metabolism on bone metastasis.

Keywords: Amino acids; Bone; Cancer; Metabolism; Metastasis; Microenvironment.

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