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KMID : 0624620200530030148
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BMB Reports
2020 Volume.53 No. 3 p.148 ~ p.153
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Co-administration of erythropoietin and iron complex improves late-phase liver regeneration
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Kim Ji-Yoon
Choi Dong-Ho
Kim Joo-Hwan
Kim Young-Myeong
Lim Hyun-Young
Sung Jeong-Min
Lee Min-Kyu
Choung Yoo-Jin
Chang Ji-Hee
Jeong Mi-Ae
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Abstract
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Erythropoietin and iron have individually shown beneficial effects on early-phase liver regeneration following partial hepatectomy (PHx); however, there are limited data on the combined effect on late-phase liver regeneration after PHx. Here we examined combined effects of recombinant human erythropoietin (rhEPO, 3,000 IU/kg) and iron isomaltoside (IIM, 40 mg/kg) on late-phase liver regeneration following PHx and investigated the possible underlying mechanism. Rats administrated with rhEPO showed significantly higher liver mass restoration, interleukin-6 (IL-6, a hepatocyte mitogen) levels, and Ki-67-positive hepatocytes on day 7 after PHx than saline-treated controls. These beneficial effects were further enhanced on days 7 and 14 by co-treatment with IIM. This combination also significantly improved liver function indices, such as increased albumin production and decreased bilirubin levels, but did not alter serum levels of toxic parameters, such as aspartate transaminase and alanine transaminase. This study demonstrates that the combination of rhEPO and IIM synergistically improves late-phase liver regeneration and function after PHx, probably by promoting IL-6-mediated hepatocyte proliferation without adverse effects. Thus, this combination treatment can be a potential therapeutic strategy for patients undergoing resection for hepatic malignancies.
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KEYWORD
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Erythropoietin, Hepatic function, Interlukin-6, Iron isomaltoside, Liver regeneration
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