Acid–base transporters in the context of tumor heterogeneity
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Acid–base transporters in the context of tumor heterogeneity. / Pedersen, Stine Helene Falsig.
In: Pflugers Archiv European Journal of Physiology, Vol. 476, 2024, p. 689–701.Research output: Contribution to journal › Review › Research › peer-review
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TY - JOUR
T1 - Acid–base transporters in the context of tumor heterogeneity
AU - Pedersen, Stine Helene Falsig
N1 - Publisher Copyright: © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024.
PY - 2024
Y1 - 2024
N2 - The copious metabolic acid production and -extrusion by cancer cells render poorly vascularized regions of solid tumors highly acidic. A growing list of proton - and bicarbonate transporters has been suggested to contribute to net acid extrusion from cancer cells, and/or been shown to be dysregulated and favor malignant development in various cancers. The great majority of these roles have been studied at the level of the cancer cells. However, recent advances in understanding of the cellular and physicochemical heterogeneity of solid tumors both enable and necessitate a reexamination of the regulation and roles of acid–base transporters in such malignancies. This review will briefly summarize the state-of-the-art, with a focus on the SLC9A and SLC4A families, for which most evidence is available. This is followed by a discussion of key concepts and open questions arising from recent insights and of the challenges that need to be tackled to address them. Finally, opportunities and challenges in therapeutic targeting of the acid–base transportome in cancers will be addressed.
AB - The copious metabolic acid production and -extrusion by cancer cells render poorly vascularized regions of solid tumors highly acidic. A growing list of proton - and bicarbonate transporters has been suggested to contribute to net acid extrusion from cancer cells, and/or been shown to be dysregulated and favor malignant development in various cancers. The great majority of these roles have been studied at the level of the cancer cells. However, recent advances in understanding of the cellular and physicochemical heterogeneity of solid tumors both enable and necessitate a reexamination of the regulation and roles of acid–base transporters in such malignancies. This review will briefly summarize the state-of-the-art, with a focus on the SLC9A and SLC4A families, for which most evidence is available. This is followed by a discussion of key concepts and open questions arising from recent insights and of the challenges that need to be tackled to address them. Finally, opportunities and challenges in therapeutic targeting of the acid–base transportome in cancers will be addressed.
KW - Acid–base regulation
KW - SLC4A4
KW - SLC4A7
KW - SLC9A1
KW - Tumor heterogeneity
KW - Tumor microenvironment
U2 - 10.1007/s00424-024-02918-z
DO - 10.1007/s00424-024-02918-z
M3 - Review
C2 - 38332178
AN - SCOPUS:85184928840
VL - 476
SP - 689
EP - 701
JO - Pflügers Archiv - European Journal of Physiology
JF - Pflügers Archiv - European Journal of Physiology
SN - 0031-6768
ER -
ID: 383429179