High-iron consumption decreases copper accumulation and colon length, and alters serum lipids

Abstract In this study, we aimed to demonstrate that a significant increase in dietary iron intake disrupts the regulation of copper availability, ultimately leading to systemic copper deficiency. To investigate this, we conducted experiments using five-week-old male weanling Sprague–Dawley rats fed...

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Main Authors: Jisu Lee, Hyun-Joo Lee, Hyunsoo Jang, Jae-Joon Lee, Jung-Heun Ha
Format: Article
Language:English
Published: SpringerOpen 2024-01-01
Series:Applied Biological Chemistry
Subjects:
Online Access:https://doi.org/10.1186/s13765-024-00861-2
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author Jisu Lee
Hyun-Joo Lee
Hyunsoo Jang
Jae-Joon Lee
Jung-Heun Ha
author_facet Jisu Lee
Hyun-Joo Lee
Hyunsoo Jang
Jae-Joon Lee
Jung-Heun Ha
author_sort Jisu Lee
collection DOAJ
description Abstract In this study, we aimed to demonstrate that a significant increase in dietary iron intake disrupts the regulation of copper availability, ultimately leading to systemic copper deficiency. To investigate this, we conducted experiments using five-week-old male weanling Sprague–Dawley rats fed diets based on AIN-93G with some modifications. These diets featured varying iron content, offering choices of adequate iron (~ 120 μg/g, near the upper limit [UL]) or high iron (~ 7544 μg/g), along with low (~ 0.3 μg/g), adequate (~ 6 μg/g), or high (~ 153 μg/g) levels of dietary copper over a 5-week period. Rats consuming the high-iron diets displayed anemia, reduced copper levels in their organs and feces, and shortened colon lengths. Increased dietary iron intake resulted in an overall reduction in copper distribution within the body, likely leading to severe copper deficiency-related disorders in the experimental rats. However, the physiological disturbances caused by a high-iron diet were prevented when additional copper was included in the rodent diet. Furthermore, high iron intake led to copper deprivation, and high iron consumption resulted in elevated serum cholesterol levels. However, increasing dietary copper consumption led to a decrease in overall serum cholesterol levels. Additionally, serum alkaline phosphate and aspartate aminotransferase levels were increased by high-iron feeding, regardless of dietary copper concentration, while alanine aminotransferase levels decreased.
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spelling doaj.art-081c17206f164f588dd8f57f44796e612024-03-05T20:03:08ZengSpringerOpenApplied Biological Chemistry2468-08422024-01-0167111510.1186/s13765-024-00861-2High-iron consumption decreases copper accumulation and colon length, and alters serum lipidsJisu Lee0Hyun-Joo Lee1Hyunsoo Jang2Jae-Joon Lee3Jung-Heun Ha4Department of Food Science and Nutrition, Dankook UniversitySchool of Wellness Industry Convergence, Major of Food & Nutrition, Hankyong National UniversityDepartment of Food Science and Nutrition, Dankook UniversityDepartment of Food and Nutrition, Chosun UniversityDepartment of Food Science and Nutrition, Dankook UniversityAbstract In this study, we aimed to demonstrate that a significant increase in dietary iron intake disrupts the regulation of copper availability, ultimately leading to systemic copper deficiency. To investigate this, we conducted experiments using five-week-old male weanling Sprague–Dawley rats fed diets based on AIN-93G with some modifications. These diets featured varying iron content, offering choices of adequate iron (~ 120 μg/g, near the upper limit [UL]) or high iron (~ 7544 μg/g), along with low (~ 0.3 μg/g), adequate (~ 6 μg/g), or high (~ 153 μg/g) levels of dietary copper over a 5-week period. Rats consuming the high-iron diets displayed anemia, reduced copper levels in their organs and feces, and shortened colon lengths. Increased dietary iron intake resulted in an overall reduction in copper distribution within the body, likely leading to severe copper deficiency-related disorders in the experimental rats. However, the physiological disturbances caused by a high-iron diet were prevented when additional copper was included in the rodent diet. Furthermore, high iron intake led to copper deprivation, and high iron consumption resulted in elevated serum cholesterol levels. However, increasing dietary copper consumption led to a decrease in overall serum cholesterol levels. Additionally, serum alkaline phosphate and aspartate aminotransferase levels were increased by high-iron feeding, regardless of dietary copper concentration, while alanine aminotransferase levels decreased.https://doi.org/10.1186/s13765-024-00861-2High-ironCopper deficiencyInsulin resistanceDyslipidemiaColon length
spellingShingle Jisu Lee
Hyun-Joo Lee
Hyunsoo Jang
Jae-Joon Lee
Jung-Heun Ha
High-iron consumption decreases copper accumulation and colon length, and alters serum lipids
Applied Biological Chemistry
High-iron
Copper deficiency
Insulin resistance
Dyslipidemia
Colon length
title High-iron consumption decreases copper accumulation and colon length, and alters serum lipids
title_full High-iron consumption decreases copper accumulation and colon length, and alters serum lipids
title_fullStr High-iron consumption decreases copper accumulation and colon length, and alters serum lipids
title_full_unstemmed High-iron consumption decreases copper accumulation and colon length, and alters serum lipids
title_short High-iron consumption decreases copper accumulation and colon length, and alters serum lipids
title_sort high iron consumption decreases copper accumulation and colon length and alters serum lipids
topic High-iron
Copper deficiency
Insulin resistance
Dyslipidemia
Colon length
url https://doi.org/10.1186/s13765-024-00861-2
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