Iron Status and Human Metabolism

Summary

Iron deficiency is common in cardiorespiratory diseases and appears to contribute to a worse outcome. This human physiology study will examine the extent to which human skeletal muscle metabolism and exercise physiology are impaired by iron deficiency.

Timeline

Start

2014-10

Primary completion

2015-12

Completion

2016-01

Publications

• Background Formenti F, Constantin-Teodosiu D, Emmanuel Y, Cheeseman J, Dorrington KL, Edwards LM, Humphreys SM, Lappin TR, McMullin MF, McNamara CJ, Mills W, Murphy JA, O'Connor DF, Percy MJ, Ratcliffe PJ, Smith TG, Treacy M, Frayn KN, Greenhaff PL, Karpe F, Clarke K, Robbins PA. Regulation of human metabolism by hypoxia-inducible factor. Proc Natl Acad Sci U S A. 2010 Jul 13;107(28):12722-7. doi: 10.1073/pnas.1002339107. Epub 2010 Jun 28.
• Background Smith TG, Talbot NP, Privat C, Rivera-Ch M, Nickol AH, Ratcliffe PJ, Dorrington KL, Leon-Velarde F, Robbins PA. Effects of iron supplementation and depletion on hypoxic pulmonary hypertension: two randomized controlled trials. JAMA. 2009 Oct 7;302(13):1444-50. doi: 10.1001/jama.2009.1404.
• Background Smith TG, Balanos GM, Croft QP, Talbot NP, Dorrington KL, Ratcliffe PJ, Robbins PA. The increase in pulmonary arterial pressure caused by hypoxia depends on iron status. J Physiol. 2008 Dec 15;586(24):5999-6005. doi: 10.1113/jphysiol.2008.160960. Epub 2008 Oct 27.
• Background Smith TG, Brooks JT, Balanos GM, Lappin TR, Layton DM, Leedham DL, Liu C, Maxwell PH, McMullin MF, McNamara CJ, Percy MJ, Pugh CW, Ratcliffe PJ, Talbot NP, Treacy M, Robbins PA. Mutation of von Hippel-Lindau tumour suppressor and human cardiopulmonary physiology. PLoS Med. 2006 Jul;3(7):e290. doi: 10.1371/journal.pmed.0030290.
• Background Finch CA, Gollnick PD, Hlastala MP, Miller LR, Dillmann E, Mackler B. Lactic acidosis as a result of iron deficiency. J Clin Invest. 1979 Jul;64(1):129-37. doi: 10.1172/JCI109431.
• Results Frise MC, Holdsworth DA, Johnson AW, Chung YJ, Curtis MK, Cox PJ, Clarke K, Tyler DJ, Roberts DJ, Ratcliffe PJ, Dorrington KL, Robbins PA. Abnormal whole-body energy metabolism in iron-deficient humans despite preserved skeletal muscle oxidative phosphorylation. Sci Rep. 2022 Jan 19;12(1):998. doi: 10.1038/s41598-021-03968-4.

Drugs

Indications