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Non-invasive evaluation of renal iron overload in diabetes in the management and intervention of diabetic nephropathy is of great significance. This study aimed to explore the feasibility of blood oxygen level-dependent (BOLD) magnetic resonance imaging (MRI) in evaluating renal iron overload in diabetes using a rabbit model.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      The rabbits were randomly divided into control, iron-overload (I), diabetes (D), and diabetes with iron-overload (DI) groups (each n\u2009=\u200919). The diabetes models were generated by injecting intravenous alloxan solution, and the iron-overload models were generated by injecting intramuscular iron-dextran. BOLD MRI was performed immediately (week 0) and at week 4, 8, and 12 following modeling. The differences in renal cortex (CR\n                      <jats:sub>2<\/jats:sub>\n                      <jats:sup>*<\/jats:sup>\n                      ) and outer medulla R\n                      <jats:sub>2<\/jats:sub>\n                      <jats:sup>*<\/jats:sup>\n                      (MR\n                      <jats:sub>2<\/jats:sub>\n                      <jats:sup>*<\/jats:sup>\n                      ) and the ratio of MR\n                      <jats:sub>2<\/jats:sub>\n                      <jats:sup>*<\/jats:sup>\n                      \u2013CR\n                      <jats:sub>2<\/jats:sub>\n                      <jats:sup>*<\/jats:sup>\n                      (MCR) across the different time points were compared.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Iron was first deposited in glomeruli in the I group and in proximal tubular cells in renal cortex in the D group. In the DI group, there was iron deposition in both glomeruli and proximal tubular cells at week 4, and the accumulation increased subsequently. The degree of kidney injury and iron overload was more severe in the DI group than those in the I and D groups at week 12. At week 8 and 12, the CR\n                      <jats:sub>2<\/jats:sub>\n                      <jats:sup>*<\/jats:sup>\n                      and MR\n                      <jats:sub>2<\/jats:sub>\n                      <jats:sup>*<\/jats:sup>\n                      in the DI group were higher than those in the I and D groups (all\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u20090.05). The MCR in the I, D, and DI groups decreased from week 0 to 4 (all\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u20090.001), and that in the I group increased from week 8 to 12 (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.034). CR\n                      <jats:sub>2<\/jats:sub>\n                      <jats:sup>*<\/jats:sup>\n                      and MR\n                      <jats:sub>2<\/jats:sub>\n                      <jats:sup>*<\/jats:sup>\n                      values displayed different trends from week 0\u201312. Dynamic MCR curves in the D and DI groups were different from that in the I group.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>It presents interactions between diabetes and iron overload in kidney injury, and BOLD MRI can be used to evaluate renal iron overload in diabetes.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s12880-022-00939-7","type":"journal-article","created":{"date-parts":[[2022,11,18]],"date-time":"2022-11-18T15:05:17Z","timestamp":1668783917000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Evaluating renal iron overload in diabetes mellitus by blood oxygen level-dependent magnetic resonance imaging: a longitudinal experimental study"],"prefix":"10.1186","volume":"22","author":[{"given":"Weiwei","family":"Geng","sequence":"first","affiliation":[]},{"given":"Liang","family":"Pan","sequence":"additional","affiliation":[]},{"given":"Liwen","family":"Shen","sequence":"additional","affiliation":[]},{"given":"Yuanyuan","family":"Sha","sequence":"additional","affiliation":[]},{"given":"Jun","family":"Sun","sequence":"additional","affiliation":[]},{"given":"Shengnan","family":"Yu","sequence":"additional","affiliation":[]},{"given":"Jianguo","family":"Qiu","sequence":"additional","affiliation":[]},{"given":"Wei","family":"Xing","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2022,11,18]]},"reference":[{"issue":"Suppl 1","key":"939_CR1","first-page":"S6","volume":"21","author":"S Dev","year":"2017","unstructured":"Dev S, Babitt JL. 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