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O'Leary TJ, Jackson S, Izard RM, Walsh NP, Carswell AT, Oliver SJ, Tang JCY, Fraser WD, Greeves JP. Iron status is associated with tibial structure and vitamin D metabolites in healthy young men. Bone 2024; 186:117145. [PMID: 38838798 DOI: 10.1016/j.bone.2024.117145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 04/16/2024] [Accepted: 06/01/2024] [Indexed: 06/07/2024]
Abstract
The influence of iron on collagen synthesis and vitamin D metabolism has implications for bone health. This cross-sectional observational study investigated associations between markers of iron status and tibial structure, vitamin D metabolites, and circulating biochemical markers of bone metabolism in young healthy men. A total of 343 male British Army recruits participated (age 22 ± 3 y, height 1.77 ± 0.06 m, body mass 75.5 ± 10.1 kg). Circulating biochemical markers of iron status, vitamin D metabolites, and bone metabolism, and tibial structure and density by high-resolution peripheral quantitative computed tomography scans (HRpQCT) were measured in participants during week 1 of basic military training. Associations between markers of iron status and HRpQCT outcomes, bone metabolism, and vitamin D metabolites were tested, controlling for age, height, lean body mass, and childhood exercise volume. Higher ferritin was associated with higher total, trabecular, and cortical volumetric bone mineral density, trabecular volume, cortical area and thickness, stiffness, and failure load (all p ≤ 0.037). Higher soluble transferrin receptor (sTfR) was associated with lower trabecular number, and higher trabecular thickness and separation, cortical thickness, and cortical pore diameter (all p ≤ 0.033). Higher haemoglobin was associated with higher cortical thickness (p = 0.043). Higher ferritin was associated with lower βCTX, PINP, total 25(OH)D, and total 24,25(OH)2D, and higher 1,25(OH)2D:24,25(OH)2D ratio (all p ≤ 0.029). Higher sTfR was associated with higher PINP, total 25(OH)D, and total 24,25(OH)2D (all p ≤ 0.025). The greater density, size, and strength of the tibia, and lower circulating concentrations of markers of bone resorption and formation with better iron stores (higher ferritin) are likely as a result of the direct role of iron in collagen synthesis.
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Affiliation(s)
- Thomas J O'Leary
- Army Health and Performance Research, Army Headquarters, Andover, United Kingdom; Division of Surgery and Interventional Science, UCL, London, United Kingdom
| | - Sarah Jackson
- Army Health and Performance Research, Army Headquarters, Andover, United Kingdom
| | - Rachel M Izard
- Defence Science and Technology, Ministry of Defence, Porton Down, United Kingdom
| | - Neil P Walsh
- Faculty of Science, Liverpool John Moores University, Liverpool, United Kingdom
| | - Alexander T Carswell
- Norwich Medical School, University of East Anglia, Norwich, United Kingdom; School of Health Sciences, University of East Anglia, Norwich, United Kingdom
| | - Samuel J Oliver
- College of Human Sciences, Bangor University, Bangor, United Kingdom
| | - Jonathan C Y Tang
- Norwich Medical School, University of East Anglia, Norwich, United Kingdom; Norfolk and Norwich University Hospital, Norwich, United Kingdom
| | - William D Fraser
- Norwich Medical School, University of East Anglia, Norwich, United Kingdom; Norfolk and Norwich University Hospital, Norwich, United Kingdom
| | - Julie P Greeves
- Army Health and Performance Research, Army Headquarters, Andover, United Kingdom; Division of Surgery and Interventional Science, UCL, London, United Kingdom; Norwich Medical School, University of East Anglia, Norwich, United Kingdom.
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von Brackel FN, Oheim R. Iron and bones: effects of iron overload, deficiency and anemia treatments on bone. JBMR Plus 2024; 8:ziae064. [PMID: 38957399 PMCID: PMC11215550 DOI: 10.1093/jbmrpl/ziae064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 04/24/2024] [Accepted: 05/10/2024] [Indexed: 07/04/2024] Open
Abstract
Iron is a vital trace element and exerts opposing effects on bone in both iron overload and iron deficiency situations. Remarkably, iron supplementation through intravenous infusion in patients with iron deficiency can also have detrimental effects on bone in special cases. The diverse mechanisms underlying these effects and their manifestations contribute to the complexity of this relationship. Iron overload impacts both bone resorption and formation, accelerating bone resorption while reducing bone formation. These effects primarily result from the direct action of reactive oxygen species (ROS), which influence the proliferation, differentiation, and activity of both osteoclasts and osteoblasts differently. This imbalance favors osteoclasts and inhibits the osteoblasts. Simultaneously, multiple pathways, including bone morphogenic proteins, RANK ligand, and others, contribute to these actions, leading to a reduction in bone mass and an increased susceptibility to fractures. In contrast, iron deficiency induces low bone turnover due to energy and co-factor deficiency, both of which require iron. Anemia increases the risk of fractures in both men and women. This effect occurs at various levels, reducing muscular performance and, on the bone-specific level, decreasing bone mineral density. Crucially, anemia increases the synthesis of the phosphaturic hormone iFGF23, which is subsequently inactivated by cleavage under physiological conditions. Thus, iFGF23 levels and phosphate excretion are not increased. However, in specific cases where anemia has to be managed with intravenous iron treatment, constituents-particularly maltoses-of the iron infusion suppress the cleavage of iFGF23. As a result, patients can experience severe phosphate wasting and, consequently, hypophosphatemic osteomalacia. This condition is often overlooked in clinical practice and is often caused by ferric carboxymaltose. Ending iron infusions or changing the agent, along with phosphate and vitamin D supplementation, can be effective in addressing this issue.
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Affiliation(s)
- Felix N von Brackel
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 22529 Hamburg, Germany
| | - Ralf Oheim
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 22529 Hamburg, Germany
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3
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Baschant U, Fuqua BK, Ledesma-Colunga M, Vulpe CD, McLachlan S, Hofbauer LC, Lusis AJ, Rauner M. Effects of dietary iron deficiency or overload on bone: Dietary details matter. Bone 2024; 184:117092. [PMID: 38575048 DOI: 10.1016/j.bone.2024.117092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Revised: 03/28/2024] [Accepted: 03/31/2024] [Indexed: 04/06/2024]
Abstract
PURPOSE Bone is susceptible to fluctuations in iron homeostasis, as both iron deficiency and overload are linked to poor bone strength in humans. In mice, however, inconsistent results have been reported, likely due to different diet setups or genetic backgrounds. Here, we assessed the effect of different high and low iron diets on bone in six inbred mouse strains (C57BL/6J, A/J, BALB/cJ, AKR/J, C3H/HeJ, and DBA/2J). METHODS Mice received a high (20,000 ppm) or low-iron diet (∼10 ppm) after weaning for 6-8 weeks. For C57BL/6J males, we used two dietary setups with similar amounts of iron, yet different nutritional compositions that were either richer ("TUD study") or poorer ("UCLA study") in minerals and vitamins. After sacrifice, liver, blood and bone parameters as well as bone turnover markers in the serum were analyzed. RESULTS Almost all mice on the UCLA study high iron diet had a significant decrease of cortical and trabecular bone mass accompanied by high bone resorption. Iron deficiency did not change bone microarchitecture or turnover in C57BL/6J, A/J, and DBA/2J mice, but increased trabecular bone mass in BALB/cJ, C3H/HeJ and AKR/J mice. In contrast to the UCLA study, male C57BL/6J mice in the TUD study did not display any changes in trabecular bone mass or turnover on high or low iron diet. However, cortical bone parameters were also decreased in TUD mice on the high iron diet. CONCLUSION Thus, these data show that cortical bone is more susceptible to iron overload than trabecular bone and highlight the importance of a nutrient-rich diet to potentially mitigate the negative effects of iron overload on bone.
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Affiliation(s)
- Ulrike Baschant
- Department of Medicine III & Center for Healthy Aging, Technische Universität Dresden, Germany
| | - Brie K Fuqua
- Department of Medicine, Division of Cardiology, David Geffen School of Medicine, University of California, Los Angeles, CA 90095, USA
| | - Maria Ledesma-Colunga
- Department of Medicine III & Center for Healthy Aging, Technische Universität Dresden, Germany
| | - Christopher D Vulpe
- Department of Physiological Sciences, University of Florida Center for Environmental and Human Toxicology, University of Florida, Gainesville, FL 32611, USA
| | | | - Lorenz C Hofbauer
- Department of Medicine III & Center for Healthy Aging, Technische Universität Dresden, Germany
| | - Aldons J Lusis
- Department of Medicine, Division of Cardiology, David Geffen School of Medicine, University of California, Los Angeles, CA 90095, USA
| | - Martina Rauner
- Department of Medicine III & Center for Healthy Aging, Technische Universität Dresden, Germany.
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Teh MR, Armitage AE, Drakesmith H. Why cells need iron: a compendium of iron utilisation. Trends Endocrinol Metab 2024:S1043-2760(24)00109-7. [PMID: 38760200 DOI: 10.1016/j.tem.2024.04.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 04/17/2024] [Accepted: 04/17/2024] [Indexed: 05/19/2024]
Abstract
Iron deficiency is globally prevalent, causing an array of developmental, haematological, immunological, neurological, and cardiometabolic impairments, and is associated with symptoms ranging from chronic fatigue to hair loss. Within cells, iron is utilised in a variety of ways by hundreds of different proteins. Here, we review links between molecular activities regulated by iron and the pathophysiological effects of iron deficiency. We identify specific enzyme groups, biochemical pathways, cellular functions, and cell lineages that are particularly iron dependent. We provide examples of how iron deprivation influences multiple key systems and tissues, including immunity, hormone synthesis, and cholesterol metabolism. We propose that greater mechanistic understanding of how cellular iron influences physiological processes may lead to new therapeutic opportunities across a range of diseases.
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Affiliation(s)
- Megan R Teh
- MRC Translational Immune Discovery Unit, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, UK
| | - Andrew E Armitage
- MRC Translational Immune Discovery Unit, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, UK
| | - Hal Drakesmith
- MRC Translational Immune Discovery Unit, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, UK.
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Venter E, Zandberg L, Venter PVZ, Smuts CM, Kruger HS, Baumgartner J. Female rats consuming an iron and omega-3 fatty acid deficient diet preconception require combined iron and omega-3 fatty acid supplementation for the prevention of bone impairments in offspring. J Dev Orig Health Dis 2024; 15:e6. [PMID: 38653729 DOI: 10.1017/s2040174424000102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
We previously showed in rats that pre- and postnatal deficiencies in iron and omega-3 (n-3) fatty acids can impair bone development, with additive and potentially irreversible effects when combined. This study aimed to investigate, in female rats consuming a combined iron and n-3 fatty acid deficient (ID + n-3 FAD) diet preconception, whether supplementation with iron and docosahexaenoic/eicosapentaenoic acid (DHA/EPA), alone and in combination, can prevent bone impairments in offspring. Using a 2 × 2 factorial design, female Wistar rats consuming an ID + n-3 FAD diet preconception were randomised to receive an: 1) iron supplemented (Fe + n-3 FAD), 2) DHA/EPA supplemented (ID + DHA/EPA), 3) Fe + DHA/EPA, or 4) ID + n-3 FAD diet from gestational day 10 throughout pregnancy and lactation. Post-weaning, offspring (n = 24/group; male:female = 1:1) remained on the respective experimental diets for three weeks until postnatal day 42-45. Offspring born to female rats consuming a control diet preconception and an Fe+DHA/EPA diet throughout pregnancy and lactation served as non-deficient reference group (Control+Fe+DHA/EPA). Bone mineral density (BMD) was measured using dual-energy X-ray absorptiometry and bone strength using three-point bending tests. Only offspring in the Fe+DHA/EPA group had significantly higher spine and femur BMD, and higher femur stiffness than offspring in the ID + n-3 FAD group, and had similar spine BMD and femur stiffness as the Control + Fe + DHA/EPA group. Offspring in the Fe + DHA/EPA group further had significantly higher femur strength (ultimate load) than the other experimental groups, and a similar femur strength as the Control + Fe + DHA/EPA group. This study shows that only combined iron and DHA/EPA supplementation can prevent bone impairments in offspring of female rats consuming an iron and n-3 FA deficient diet preconception.
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Affiliation(s)
- Estelle Venter
- Centre of Excellence for Nutrition (CEN), North-West University (NWU), Potchefstroom, South Africa
| | - Lizelle Zandberg
- Centre of Excellence for Nutrition (CEN), North-West University (NWU), Potchefstroom, South Africa
| | - Philip vZ Venter
- Department of Industrial Engineering, Stellenbosch University, Stellenbosch, South Africa
| | - Cornelius M Smuts
- Centre of Excellence for Nutrition (CEN), North-West University (NWU), Potchefstroom, South Africa
| | - Herculina S Kruger
- Centre of Excellence for Nutrition (CEN), North-West University (NWU), Potchefstroom, South Africa
| | - Jeannine Baumgartner
- Centre of Excellence for Nutrition (CEN), North-West University (NWU), Potchefstroom, South Africa
- Department of Nutritional Sciences, Faculty of Life Sciences and Medicine, King's College London, London, UK
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6
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Bhattacharjee A, Bose S. Ginger extract loaded Fe2O3/MgO-doped hydroxyapatite: Evaluation of biological properties for bone-tissue engineering. JOURNAL OF THE AMERICAN CERAMIC SOCIETY. AMERICAN CERAMIC SOCIETY 2024; 107:2081-2092. [PMID: 38855017 PMCID: PMC11160932 DOI: 10.1111/jace.19568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Accepted: 09/17/2023] [Indexed: 06/11/2024]
Abstract
Since antiquity, the medicinal properties of naturally sourced biomolecules such as ginger (Zingiber officinale) extract are documented in the traditional Indian and Chinese medical systems. However, limited work is performed to assess the potential of ginger extracts for bone-tissue engineering. Our work demonstrates the direct incorporation of ginger extract on iron oxide-magnesium oxide (Fe2O3 and MgO) co-doped hydroxyapatite (HA) for enhancement in the biological properties. The addition of Fe2O3 and MgO co-doping system and ginger extract with HA increases the osteoblast viability up to ~ 1.4 times at day 11. The presence of ginger extract leads to up to ~ 9 times MG-63 cell viability reduction. The co-doping does not adversely affect the release of ginger extract from the graft surface in the biological medium at pH 7.4 for up to 28 days. Assessment of antibacterial efficacy according to the modified ISO 22196: 2011 standard method indicates that the combined effects of Fe2O3, MgO, and ginger extract lead to ~ 82 % more bacterial cell reduction, compared to the control HA against S. aureus. These ginger extract-loaded artificial bone grafts with enhanced biological properties may be utilized as a localized site-specific delivery vehicle for various bone tissue engineering applications.
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Affiliation(s)
- Arjak Bhattacharjee
- W. M. Keck Biomedical Materials Research Laboratory, School of Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164, USA
| | - Susmita Bose
- W. M. Keck Biomedical Materials Research Laboratory, School of Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164, USA
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7
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O’Leary TJ, Jackson S, Izard RM, Walsh NP, Coombs CV, Carswell AT, Oliver SJ, Tang JCY, Fraser WD, Greeves JP. Sex differences in iron status during military training: a prospective cohort study of longitudinal changes and associations with endurance performance and musculoskeletal outcomes. Br J Nutr 2024; 131:581-592. [PMID: 37732392 PMCID: PMC10803825 DOI: 10.1017/s0007114523001812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 07/20/2023] [Accepted: 08/09/2023] [Indexed: 09/22/2023]
Abstract
This study investigated sex differences in Fe status, and associations between Fe status and endurance and musculoskeletal outcomes, in military training. In total, 2277 British Army trainees (581 women) participated. Fe markers and endurance performance (2·4 km run) were measured at the start (week 1) and end (week 13) of training. Whole-body areal body mineral density (aBMD) and markers of bone metabolism were measured at week 1. Injuries during training were recorded. Training decreased Hb in men and women (mean change (-0·1 (95 % CI -0·2, -0·0) and -0·7 (95 % CI -0·9, -0·6) g/dl, both P < 0·001) but more so in women (P < 0·001). Ferritin decreased in men and women (-27 (95 % CI -28, -23) and -5 (95 % CI -8, -1) µg/l, both P ≤ 0·001) but more so in men (P < 0·001). Soluble transferrin receptor increased in men and women (2·9 (95 % CI 2·3, 3·6) and 3·8 (95 % CI 2·7, 4·9) nmol/l, both P < 0·001), with no difference between sexes (P = 0·872). Erythrocyte distribution width increased in men (0·3 (95 % CI 0·2, 0·4)%, P < 0·001) but not in women (0·1 (95 % CI -0·1, 0·2)%, P = 0·956). Mean corpuscular volume decreased in men (-1·5 (95 % CI -1·8, -1·1) fL, P < 0·001) but not in women (0·4 (95 % CI -0·4, 1·3) fL, P = 0·087). Lower ferritin was associated with slower 2·4 km run time (P = 0·018), sustaining a lower limb overuse injury (P = 0·048), lower aBMD (P = 0·021) and higher beta C-telopeptide cross-links of type 1 collagen and procollagen type 1 N-terminal propeptide (both P < 0·001) controlling for sex. Improving Fe stores before training may protect Hb in women and improve endurance and protect against injury.
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Affiliation(s)
- Thomas J. O’Leary
- Army Health and Performance Research, Army Headquarters, Andover, MA, UK
- Division of Surgery and Interventional Science, UCL, London, UK
| | - Sarah Jackson
- Army Health and Performance Research, Army Headquarters, Andover, MA, UK
| | - Rachel M. Izard
- Defence Science and Technology, Ministry of Defence, Porton Down, Porton, UK
| | - Neil P. Walsh
- Faculty of Science, Liverpool John Moores University, Liverpool, UK
| | | | - Alexander T. Carswell
- Norwich Medical School, University of East Anglia, Norwich, UK
- School of Health Sciences, University of East Anglia, Norwich, UK
| | | | - Jonathan C. Y. Tang
- Norwich Medical School, University of East Anglia, Norwich, UK
- Norfolk and Norwich University Hospital, Norwich, UK
| | - William D. Fraser
- Norwich Medical School, University of East Anglia, Norwich, UK
- Norfolk and Norwich University Hospital, Norwich, UK
| | - Julie P. Greeves
- Army Health and Performance Research, Army Headquarters, Andover, MA, UK
- Division of Surgery and Interventional Science, UCL, London, UK
- Norwich Medical School, University of East Anglia, Norwich, UK
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8
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Argov-Argaman N, Altman H, Janssen JN, Daeem S, Raz C, Mesilati-Stahy R, Penn S, Monsonego-Ornan E. Effect of milk fat globules on growth and metabolism in rats fed an unbalanced diet. Front Nutr 2024; 10:1270171. [PMID: 38274212 PMCID: PMC10808575 DOI: 10.3389/fnut.2023.1270171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 11/23/2023] [Indexed: 01/27/2024] Open
Abstract
We assessed the effects of supplementing milk fat globules (MFG) on the growth and development of the skeleton in rats fed a Western unbalanced diet (UBD). The UBD is high in sugar and fat, low in protein, fiber, and micronutrients, and negatively impacts health. The MFG-a complex lipid-protein assembly secreted into milk-has a unique structure and composition, which differs significantly from isolated and processed dietary ingredients. Rats consuming the UBD exhibited growth retardation and disrupted bone structural and mechanical parameters; these were improved by supplementation with small MFG. The addition of small MFG increased the efficiency of protein utilization for growth, and improved trabecular and cortical bone parameters. Furthermore, consumption of UBD led to a decreased concentration of saturated fatty acids and increased levels of polyunsaturated fatty acids (PUFA), particularly omega-6 PUFA, in the serum, liver, and adipose tissue. The addition of small MFG restored PUFA concentration and the ratio of omega-6 to omega-3 PUFA in bone marrow and adipose tissue. Finally, large but not small MFG supplementation affected the cecal microbiome in rats. Overall, our results suggest that natural structure MFG supplementation can improve metabolism and bone development in rats fed an UBD, with the effects depending on MFG size. Moreover, the benefits of small MFG to bone development and metabolism were not mediated by the microbiome, as the detrimental effects of an UBD on the microbiome were not mitigated by MFG supplementation.
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Affiliation(s)
- Nurit Argov-Argaman
- Department of Animal Sciences, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Hodaya Altman
- School of Nutrition Science, Institute of Biochemistry, Hebrew University of Jerusalem, Jerusalem, Israel
| | | | - Seman Daeem
- Department of Animal Sciences, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Chen Raz
- Department of Animal Sciences, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Ronit Mesilati-Stahy
- School of Nutrition Science, Institute of Biochemistry, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Svetlana Penn
- School of Nutrition Science, Institute of Biochemistry, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Efrat Monsonego-Ornan
- School of Nutrition Science, Institute of Biochemistry, Hebrew University of Jerusalem, Jerusalem, Israel
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Varol Avcılar Ö, Onbaşılar EE, Yalçın S, Akça H, Gündoğar UC. Egg mineral levels, hatching results and bone properties in embryos and chicks obtained from broiler breeders at different ages. J Anim Physiol Anim Nutr (Berl) 2024; 108:139-147. [PMID: 37610039 DOI: 10.1111/jpn.13874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 08/07/2023] [Accepted: 08/11/2023] [Indexed: 08/24/2023]
Abstract
It is inevitable to obtain chicks from breeders of different ages in broiler fattening. However, breeder age has an effect on eggs. There is no detailed study on the changes in mineral levels in eggs and bones of these effects. Therefore, the aim of this study examines how mineral levels of shell, albumen, egg yolk, and bone, embryonic development and bone characteristics change according to the breeder age. A total of 370 fresh hatching eggs were obtained from Ross-308 breeders at 2 different ages (25 to 60-week-old). Egg, embryo, yolk sac and chick characteristics were determined. Morphometric parameters of bones of embryos at 19 days of age and chicks at hatch were examined. Mineral levels of albumen, yolk, shell and bones of embryo and chick were determined. Egg weight, embryo weight, embryo length, chick weight and chick length were higher in old breeder than those of younger one. Femur length, width and Seedor index of tibia, weight, width and Seedor index of metatarsus were found to be high in embryos at 19 days of old breeder than young breeder. There were differences in relative femur weight, tibia length and relative metatarsus weight of chicks at hatch. The mineral levels were high in the femur, tibia and metatarsus of embryos and chicks, in parts of the egg of old breeder. K, Ca, Mg, P, Fe and Mn levels in the eggshell were decreased during incubation. Ca and Mg levels were decreased in the yolk during incubation. K, Ca, Mg, P, Fe, Zn and Mn levels were found to be high in chick bones than those of bones of embryos at 19 days of age. The total embryonic death was found to be high in the fertile eggs of younger breeder group. No differences were observed in fertility, hatchability of fertile and set eggs according to the age of breeders. These data may be useful in designing in-ovo injections, formulating diets of broiler breeders and broilers and in preventing bone diseases in broilers.
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Affiliation(s)
- Özlem Varol Avcılar
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Osmaniye Korkut Ata University, Osmaniye, Turkey
| | - Esin Ebru Onbaşılar
- Department of Animal Husbandry, Faculty of Veterinary Medicine, Ankara University, Ankara, Turkey
| | - Sakine Yalçın
- Department of Animal Nutrition, Faculty of Veterinary Medicine, Ankara University, Ankara, Turkey
| | - Hanife Akça
- Department of Soil Science and Plant Nutrition, Faculty of Agriculture, Ankara University, Ankara, Turkey
| | - Umut Can Gündoğar
- Department of Animal Husbandry, Faculty of Veterinary Medicine, Ankara University, Ankara, Turkey
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10
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Dejea H, Raina DB, Silva Barreto I, Sharma K, Liu Y, Ferreira Sanchez D, Johansson U, Isaksson H. Multi-scale characterization of the spatio-temporal interplay between elemental composition, mineral deposition and remodelling in bone fracture healing. Acta Biomater 2023:S1742-7061(23)00356-2. [PMID: 37369267 DOI: 10.1016/j.actbio.2023.06.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 06/16/2023] [Accepted: 06/22/2023] [Indexed: 06/29/2023]
Abstract
Bone mineralization involves a complex orchestration of physico-chemical responses from the organism. Despite extensive studies, the detailed mechanisms of mineralization remain to be elucidated. This study aims to characterize bone mineralization using an in-vivo long bone fracture healing model in the rat. The spatio-temporal distribution of relevant elements was correlated to the deposition and maturation of hydroxyapatite and the presence of matrix remodeling compounds (MMP-13). Multi-scale measurements indicated that (i) zinc is required for both the initial mineral deposition and resorption processes during mature mineral remodeling; (ii) Zinc and MMP-13 show similar spatio-temporal trends during early mineralization; (iii) Iron acts locally and in coordination with zinc during mineralization, thus indicating novel evidence of the time-events and inter-play between the elements. These findings improve the understanding of bone mineralization by explaining the link between the different constituents of this process throughout the healing time. STATEMENT OF SIGNIFICANCE: Bone mineralization involves a complex orchestration of physico-chemical responses from the organism, the detailed mechanisms of which remain to be elucidated. This study presents a highly novel multi-scale multi-modal investigation of bone mineralization using bone fracture healing as a model system. We present original characterization of tissue mineralization, where we relate the spatio-temporal distribution of important trace elements to a key matrix remodeling compound (MMP-13), the initial deposition and maturation of hydroxyapatite and further remodeling processes. This is the first time that mineralization has been probed down to the nanometric level, and where key mineralization components have been investigated to achieve a comprehensive and mechanistic understanding of the underlying mineralization processes during bone healing.
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Affiliation(s)
- Hector Dejea
- Department of Biomedical Engineering, Lund University, 223 62 Lund, Sweden, MAX IV Laboratory, Lund University, 224 84 Lund, Sweden.
| | - Deepak Bushan Raina
- Orthopedics, Department of Clinical Sciences, Lund University, 223 62 Lund, Sweden.
| | | | - Kunal Sharma
- Department of Biomedical Engineering, Lund University, 223 62 Lund, Sweden.
| | - Yang Liu
- Orthopedics, Department of Clinical Sciences, Lund University, 223 62 Lund, Sweden.
| | | | - Ulf Johansson
- MAX IV Laboratory, Lund University, 224 84 Lund, Sweden.
| | - Hanna Isaksson
- Department of Biomedical Engineering, Lund University, 223 62 Lund, Sweden.
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11
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Yang J, Li Q, Feng Y, Zeng Y. Iron Deficiency and Iron Deficiency Anemia: Potential Risk Factors in Bone Loss. Int J Mol Sci 2023; 24:ijms24086891. [PMID: 37108056 PMCID: PMC10138976 DOI: 10.3390/ijms24086891] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 04/01/2023] [Accepted: 04/03/2023] [Indexed: 04/29/2023] Open
Abstract
Iron is one of the essential mineral elements for the human body and this nutrient deficiency is a worldwide public health problem. Iron is essential in oxygen transport, participates in many enzyme systems in the body, and is an important trace element in maintaining basic cellular life activities. Iron also plays an important role in collagen synthesis and vitamin D metabolism. Therefore, decrease in intracellular iron can lead to disturbance in the activity and function of osteoblasts and osteoclasts, resulting in imbalance in bone homeostasis and ultimately bone loss. Indeed, iron deficiency, with or without anemia, leads to osteopenia or osteoporosis, which has been revealed by numerous clinical observations and animal studies. This review presents current knowledge on iron metabolism under iron deficiency states and the diagnosis and prevention of iron deficiency and iron deficiency anemia (IDA). With emphasis, studies related to iron deficiency and bone loss are discussed, and the potential mechanisms of iron deficiency leading to bone loss are analyzed. Finally, several measures to promote complete recovery and prevention of iron deficiency are listed to improve quality of life, including bone health.
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Affiliation(s)
- Jiancheng Yang
- Department of Osteoporosis, Honghui Hospital, Xi'an Jiaotong University, Xi'an 710054, China
| | - Qingmei Li
- Department of Osteoporosis, Honghui Hospital, Xi'an Jiaotong University, Xi'an 710054, China
| | - Yan Feng
- Department of Osteoporosis, Honghui Hospital, Xi'an Jiaotong University, Xi'an 710054, China
| | - Yuhong Zeng
- Department of Osteoporosis, Honghui Hospital, Xi'an Jiaotong University, Xi'an 710054, China
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Ciosek Ż, Kot K, Rotter I. Iron, Zinc, Copper, Cadmium, Mercury, and Bone Tissue. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:2197. [PMID: 36767564 PMCID: PMC9915283 DOI: 10.3390/ijerph20032197] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 01/13/2023] [Accepted: 01/24/2023] [Indexed: 06/18/2023]
Abstract
The paper presents the current understanding on the effects of five metals on bone tissue, namely iron, zinc, copper, cadmium, and mercury. Iron, zinc, and copper contribute significantly to human and animal metabolism when present in sufficient amounts, but their excess or shortage increases the risk of developing bone disorders. In contrast, cadmium and mercury serve no physiological purpose and their long-term accumulation damages the osteoarticular system. We discuss the methods of action and interactions between the discussed elements as well as the concentrations of each element in distinct bone structures.
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Affiliation(s)
- Żaneta Ciosek
- Chair and Department of Medical Rehabilitation and Clinical Physiotherapy, Pomeranian Medical University in Szczecin, Żołnierska 54, 70-210 Szczecin, Poland
| | - Karolina Kot
- Department of Biology and Medical Parasitology, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland
| | - Iwona Rotter
- Chair and Department of Medical Rehabilitation and Clinical Physiotherapy, Pomeranian Medical University in Szczecin, Żołnierska 54, 70-210 Szczecin, Poland
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13
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Scott JM, Swallow EA, Metzger CE, Kohler R, Wallace JM, Allen MR, Gasier HG. Iron deficiency and high-intensity running interval training do not impact femoral or tibial bone in young female rats. Br J Nutr 2022; 128:1518-1525. [PMID: 34758890 PMCID: PMC9150815 DOI: 10.1017/s0007114521004426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
In the USA, as many as 20 % of recruits sustain stress fractures during basic training. In addition, approximately one-third of female recruits develop Fe deficiency upon completion of training. Fe is a cofactor in bone collagen formation and vitamin D activation, thus we hypothesised Fe deficiency may be contributing to altered bone microarchitecture and mechanics during 12-weeks of increased mechanical loading. Three-week old female Sprague Dawley rats were assigned to one of four groups: Fe-adequate sedentary, Fe-deficient sedentary, Fe-adequate exercise and Fe-deficient exercise. Exercise consisted of high-intensity treadmill running (54 min 3×/week). After 12-weeks, serum bone turnover markers, femoral geometry and microarchitecture, mechanical properties and fracture toughness and tibiae mineral composition and morphometry were measured. Fe deficiency increased the bone resorption markers C-terminal telopeptide type I collagen and tartate-resistant acid phosphatase 5b (TRAcP 5b). In exercised rats, Fe deficiency further increased bone TRAcP 5b, while in Fe-adequate rats, exercise increased the bone formation marker procollagen type I N-terminal propeptide. In the femur, exercise increased cortical thickness and maximum load. In the tibia, Fe deficiency increased the rate of bone formation, mineral apposition and Zn content. These data show that the femur and tibia structure and mechanical properties are not negatively impacted by Fe deficiency despite a decrease in tibiae Fe content and increase in serum bone resorption markers during 12-weeks of high-intensity running in young growing female rats.
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Affiliation(s)
- Jonathan M. Scott
- Department of Military and Emergency Medicine, Uniformed Services University, Bethesda, Maryland, USA
| | - Elizabeth A. Swallow
- Department of Anatomy, Cell Biology and Physiology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Corinne E. Metzger
- Department of Anatomy, Cell Biology and Physiology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Rachel Kohler
- Department of Biomedical Engineering, Indiana University Purdue University of Indianapolis, Indianapolis, Indiana, USA
| | - Joseph M. Wallace
- Department of Biomedical Engineering, Indiana University Purdue University of Indianapolis, Indianapolis, Indiana, USA
| | - Matthew R. Allen
- Department of Anatomy, Cell Biology and Physiology, Indiana University School of Medicine, Indianapolis, Indiana, USA
- Department of Biomedical Engineering, Indiana University Purdue University of Indianapolis, Indianapolis, Indiana, USA
- Roudebush Veterans Affairs Medical Center, Indianapolis, Indiana, USA
| | - Heath G. Gasier
- Department of Anesthesiology, Duke University School of Medicine, Durham, North Carolina, USA
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Study of the Mandibular Bone Microstructure and Blood Minerals Bioavailability in Rainbow Trout ( Oncorhynchus mykiss, Walbaum 1792) from Freshwater. Animals (Basel) 2022; 12:ani12121476. [PMID: 35739813 PMCID: PMC9219474 DOI: 10.3390/ani12121476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 05/25/2022] [Accepted: 05/26/2022] [Indexed: 11/17/2022] Open
Abstract
Farmed salmonids show alterations in bone structure that result in skeletal deformities during formation, repair, and regeneration processes, with loss of mineralization at the level of the axial skeleton, mainly the head and spine, affecting their quality of life and even causing death. Despite improving factors, such as farming conditions, diets, and genetics, bone alterations appear more frequently in farmed fish than in wild fish. Thus, we used SEM-EDX, and TGA-DSC to study bone mineralization in farmed and wild rainbow trouts. As expected, we found significant differences in the nutritional parameters of farmed and wild fish (p < 0.05). Microstructural analyses indicated that farmed fish have a more robust mineral structure (p < 0.05), confirming the differences in mineralization and microstructure between both groups. However, the mechanisms regulating absorption and distribution in the organism and their effect on bone mineralization remain to be known. In our study, the combined use of techniques such as SEM-EDX and TGA-DSC allows a clearer assessment and detailed characterization beneficial to understanding the relationship between diet control and bone microstructure.
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Strydom E, Zandberg L, Kemp ET, Venter PVZ, Smuts CM, Kruger HS, Baumgartner J. Effects and Reversibility of Pre- and Post-natal Iron and Omega-3 Fatty Acid Deficiency, Alone and in Combination, on Bone Development in Rats. Front Nutr 2022; 8:802609. [PMID: 35111798 PMCID: PMC8801778 DOI: 10.3389/fnut.2021.802609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 12/27/2021] [Indexed: 11/13/2022] Open
Abstract
Both iron and omega-3 (n-3) polyunsaturated fatty acids may play an important role in bone development. The aim of this study was to investigate the effects of pre- and post-natal iron and n-3 fatty acid deficiency (FAD), alone and in combination, on bone development in rats, and to determine whether effects are reversible when a sufficient diet is provided post-weaning. Using a 2×2-factorial design, 56 female Wistar rats were allocated to one of four diets: (1) control, (2) iron deficient (ID), (3) n-3 FAD or (4) ID and n-3 FAD, and were maintained on the respective diets throughout gestation and lactation. At weaning (post-natal day [PND] 21), offspring (n = 24/group; male:female=1:1) were randomly allocated to either continue with their respective diets or to switch to the control diet until PND 42-45. Bone mineral density (BMD) and bone strength were determined using dual X-ray absorptiometry and three-point bending tests, respectively. Pre- and post-natal ID resulted in significantly lower BMD in the spine and bone strength in the left femur. Both ID and n-3 FAD resulted in lower BMD in the right femur, with an additive reduction in the combined ID and n-3 FAD group vs. controls. While negative effects of pre- and post-natal ID alone were reversed in offspring switched to a control diet post-weaning, lower BMD and bone strength persisted in offspring with combined ID and n-3 FAD during the prenatal and early post-natal period. Effects were not sex-specific. These results indicate that ID during early life may negatively influence bone development, with potential additive effects of n-3 FAD. While the effects of ID alone seem reversible, a combined ID and n-3 FAD may result in irreversible deficits in bone development.
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Affiliation(s)
- Estelle Strydom
- Centre of Excellence for Nutrition, North-West University, Potchefstroom, South Africa
| | - Lizelle Zandberg
- Centre of Excellence for Nutrition, North-West University, Potchefstroom, South Africa
| | - Erna T. Kemp
- Centre of Excellence for Nutrition, North-West University, Potchefstroom, South Africa
| | - Philip vZ. Venter
- School of Mechanical and Nuclear Engineering, North-West University, Potchefstroom, South Africa
| | - Cornelius M. Smuts
- Centre of Excellence for Nutrition, North-West University, Potchefstroom, South Africa
| | - Herculina S. Kruger
- Centre of Excellence for Nutrition, North-West University, Potchefstroom, South Africa
| | - Jeannine Baumgartner
- Centre of Excellence for Nutrition, North-West University, Potchefstroom, South Africa
- Laboratory of Human Nutrition, Institute of Food, Nutrition and Health, ETH Zürich, Zürich, Switzerland
- *Correspondence: Jeannine Baumgartner
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16
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Mg-Fe layered double hydroxides modified titanium enhanced the adhesion of human gingival fibroblasts through regulation of local pH level. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 131:112485. [PMID: 34857271 DOI: 10.1016/j.msec.2021.112485] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 09/20/2021] [Accepted: 10/09/2021] [Indexed: 02/08/2023]
Abstract
The durability of dental implants is closely related to osseointegration and surrounding soft tissue sealing. Appropriate local pH favors fibroblasts adhesion and contributes to soft tissue sealing. Layered double hydroxides (LDHs) are characterized by adjustable alkalinity, offering a possibility to investigate the influence of pH on cellular behaviors. Herein, we fabricated MgFe LDHs modified titanium. During calcination, the local pH value of LDHs increase, without altering other physics and chemical properties via OH- exchange mechanism. In vitro studies showed that LDHs films calcined at 250 °C for 2 h provide a local pH of 10.17, which promote early adhesion, proliferation, and type I collagen expression of human gingival fibroblasts (hGFs) through the formation of focal adhesion complex and activation of focal adhesion kinase related signaling pathways. In conclusion, endowing the titanium surface with appropriate alkalinity by MgFe LDHs films enhances the adhesion of hGFs, providing a new strategy of designing multifunctional biomaterials for soft tissue sealing around dental implants.
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Wardle SL, O'Leary TJ, McClung JP, Pasiakos SM, Greeves JP. Feeding female soldiers: Consideration of sex-specific nutrition recommendations to optimise the health and performance of military personnel. J Sci Med Sport 2021; 24:995-1001. [PMID: 34452842 DOI: 10.1016/j.jsams.2021.08.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 06/25/2021] [Accepted: 08/11/2021] [Indexed: 12/25/2022]
Abstract
Appropriate nutrition recommendations are required to optimise the health and performance of military personnel, yet limited data are available on whether male and female military personnel have different nutrition requirements. OBJECTIVES To consider the evidence for sex-specific nutrition requirements to optimise the health and performance of military personnel. DESIGN Narrative review. METHODS Published literature was reviewed, with a focus on sex-specific requirements, in the following areas: nutrition for optimising muscle mass and function, nutrition during energy deficit, and nutrition for reproductive and bone health. RESULTS There are limited data on sex differences in protein requirements but extant data suggest that, despite less muscle mass, on average, in women, sex-specific protein feeding strategies are not required to optimise muscle mass in military-aged individuals. Similarly, despite sex differences in metabolic and endocrine responses to energy deficit, current data do not suggest a requirement for sex-specific feeding strategies during energy deficit. Energy deficit impairs health and performance, most notably bone and reproductive health and these impairments are greater for women. Vitamin D, iron and calcium are important nutrients to protect the bone health of female military personnel due to increased risk of stress fracture. CONCLUSIONS Women have an increased incidence of bone injuries, less muscle mass and are more susceptible to the negative effects of energy deficit, including compromised reproductive health. However, there are limited data on sex differences in response to various nutrition strategies designed to improve these elements of health and performance. Future studies should evaluate whether sex-specific feeding recommendations are required.
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Affiliation(s)
- Sophie L Wardle
- Army Health and Performance Research, Army Headquarters, United Kingdom; Division of Surgery and Interventional Science, University College London, United Kingdom.
| | - Thomas J O'Leary
- Army Health and Performance Research, Army Headquarters, United Kingdom; Division of Surgery and Interventional Science, University College London, United Kingdom
| | - James P McClung
- Military Nutrition Division, US Army Research Institute of Environmental Medicine, United States of America
| | - Stefan M Pasiakos
- Military Nutrition Division, US Army Research Institute of Environmental Medicine, United States of America
| | - Julie P Greeves
- Army Health and Performance Research, Army Headquarters, United Kingdom; Division of Surgery and Interventional Science, University College London, United Kingdom; Norwich Medical School, University of East Anglia, United Kingdom
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18
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Research status of biodegradable metals designed for oral and maxillofacial applications: A review. Bioact Mater 2021; 6:4186-4208. [PMID: 33997502 PMCID: PMC8099919 DOI: 10.1016/j.bioactmat.2021.01.011] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 01/10/2021] [Accepted: 01/10/2021] [Indexed: 01/08/2023] Open
Abstract
The oral and maxillofacial regions have complex anatomical structures and different tissue types, which have vital health and aesthetic functions. Biodegradable metals (BMs) is a promising bioactive materials to treat oral and maxillofacial diseases. This review summarizes the research status and future research directions of BMs for oral and maxillofacial applications. Mg-based BMs and Zn-based BMs for bone fracture fixation systems, and guided bone regeneration (GBR) membranes, are discussed in detail. Zn-based BMs with a moderate degradation rate and superior mechanical properties for GBR membranes show great potential for clinical translation. Fe-based BMs have a relatively low degradation rate and insoluble degradation products, which greatly limit their application and clinical translation. Furthermore, we proposed potential future research directions for BMs in the oral and maxillofacial regions, including 3D printed BM bone scaffolds, surface modification for BMs GBR membranes, and BMs containing hydrogels for cartilage regeneration, soft tissue regeneration, and nerve regeneration. Taken together, the progress made in the development of BMs in oral and maxillofacial regions has laid a foundation for further clinical translation.
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Güz BC, Molenaar R, de Jong IC, Kemp B, van Krimpen M, van den Brand H. Effects of green light emitting diode light during incubation and dietary organic macro and trace minerals during rearing on tibia characteristics of broiler chickens at slaughter age. Poult Sci 2020; 100:707-720. [PMID: 33518124 PMCID: PMC7858192 DOI: 10.1016/j.psj.2020.11.042] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 10/15/2020] [Accepted: 11/23/2020] [Indexed: 01/22/2023] Open
Abstract
This study was designed to evaluate the effects of green light emitting diode (LED) light during incubation and dietary organic macro and trace minerals during rearing on tibia morphological, biophysical, and mechanical characteristics of broiler chickens at slaughter age. The experiment was setup as a 2 × 2 × 2 factorial arrangement, with the following treatments: 1) light during incubation (green LED light or darkness), 2) macro mineral source during rearing (organic or inorganic Ca and P), and 3) trace mineral source during rearing (organic or inorganic Fe, Cu, Mn, Zn, and Se). A total of 2,400 eggs (Ross 308) were either incubated under green LED light (16L:8D) or in complete darkness. After hatch, a total of 864 male broiler chickens were reared until slaughter age (day 42) and provided with 1 of 4 diets, differing in macro and/or trace mineral source. During rearing, the experiment had a complete randomized block design with 9 replicate pens per treatment and 12 chickens per pen. At slaughter age (day 42), 2 chickens per replicate were randomly selected and tibia bones were obtained. Tibia weight, length, thickness, osseous volume, pore volume, total volume, mineral content, mineral density, ultimate strength, and stiffness were determined. Green LED light during incubation did not affect any of the tibia characteristics. Dietary organic macro minerals positively affected most of the tibia morphological, biophysical, and mechanical characteristics compared to the inorganic macro minerals, whereas trace mineral sources did not affect tibia characteristics. It can be concluded that dietary organic macro minerals Ca and P stimulated tibia characteristics, whereas green LED light during incubation and dietary trace minerals during rearing did not affect tibia characteristics, locomotion, or leg disorders.
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Affiliation(s)
- B C Güz
- Adaptation Physiology Group, Wageningen University and Research, 6700 AH, Wageningen, The Netherlands.
| | - R Molenaar
- Adaptation Physiology Group, Wageningen University and Research, 6700 AH, Wageningen, The Netherlands
| | - I C de Jong
- Wageningen Livestock Research, Wageningen University and Research, 6700 AH, Wageningen, Gelderland, The Netherlands
| | - B Kemp
- Adaptation Physiology Group, Wageningen University and Research, 6700 AH, Wageningen, The Netherlands
| | - M van Krimpen
- Wageningen Livestock Research, Wageningen University and Research, 6700 AH, Wageningen, Gelderland, The Netherlands
| | - H van den Brand
- Adaptation Physiology Group, Wageningen University and Research, 6700 AH, Wageningen, The Netherlands
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20
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Gou Z, Fan Q, Li L, Jiang Z, Lin X, Cui X, Wang Y, Zheng C, Jiang S. Effects of dietary iron on reproductive performance of Chinese Yellow broiler breeder hens during the egg-laying period. Poult Sci 2020; 99:3921-3929. [PMID: 32731979 PMCID: PMC7597980 DOI: 10.3382/ps/pez006] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Accepted: 01/11/2019] [Indexed: 01/01/2023] Open
Abstract
The objective of this study was to investigate the effects of dietary iron (Fe) on reproductive performance of Chinese Yellow broiler breeder hens during the egg-laying period. A total of 480, 55-wk-old hens were balanced for laying rate and then randomly allotted into 5 groups, each with 6 replicates (8 cages for each replicate with 2 birds per cage). The trial was for 10 wk. Birds were fed diet with 44, 58, 72, 86, or 100 mg/kg Fe contained feed. Laying performance, biochemical indices and reproductive hormones in plasma, egg quality, ovarian and oviductal variables, tibial breaking strength, and hatching performance were determined. The key performance variables hematocrit, hatchability of live embryos, and tibial breaking strength were selected for analysis by quadratic polynomial (QP) and broken-line (BL) regressions to better determine optimal dietary Fe level. Qualified egg (excluding those with double-yolk, soft-shell, cracked, very small malformed, etc.) rate tended to decrease with the lowest and highest dietary Fe levels. Hematocrit was affected (P = 0.003) by dietary Fe, along with linear (P = 0.017) and quadratic (P = 0.002) effect. There was a significant effect (P = 0.034) of dietary Fe level on tibial breaking strength of breeder hens with a quadratic (P = 0.044) effect. Breeder hens fed inadequate (44 mg/kg diet) or excess (100 mg/kg) Fe both had lower (P < 0.05) tibial breaking strength compared to that of hens fed 86 mg/kg Fe. Hatchability of live embryos was affected (P = 0.004) by diet; with both linear (P = 0.014) and quadratic (P = 0.001) effects. Maximal hatching of live embryos occurred with diets of breeder hens containing 72 mg/kg Fe. From the QP and BL models fitted to hematocrit, tibial breaking strength, and hatchability variables, the optimal dietary Fe level for Chinese Yellow broiler breeder hens in the laying period was 70-90 mg/kg. The daily Fe fed (allowance) was about 8-11 mg.
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Affiliation(s)
- Zhongyong Gou
- State Key Laboratory of Livestock and Poultry Breeding, Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture, Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, P. R. China
| | - Qiuli Fan
- State Key Laboratory of Livestock and Poultry Breeding, Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture, Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, P. R. China
| | - Long Li
- State Key Laboratory of Livestock and Poultry Breeding, Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture, Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, P. R. China
| | - Zongyong Jiang
- State Key Laboratory of Livestock and Poultry Breeding, Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture, Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, P. R. China
| | - Xiajing Lin
- State Key Laboratory of Livestock and Poultry Breeding, Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture, Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, P. R. China
| | - Xiaoyan Cui
- State Key Laboratory of Livestock and Poultry Breeding, Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture, Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, P. R. China
| | - Yibing Wang
- State Key Laboratory of Livestock and Poultry Breeding, Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture, Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, P. R. China
| | - Chuntian Zheng
- State Key Laboratory of Livestock and Poultry Breeding, Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture, Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, P. R. China
| | - Shouqun Jiang
- State Key Laboratory of Livestock and Poultry Breeding, Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture, Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, P. R. China.
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Three-Dimensional Visualisation of Skeletal Cavities. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1171:73-83. [PMID: 31823241 DOI: 10.1007/978-3-030-24281-7_7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Bones contain spaces within them. The extraction and the analysis of those cavities are crucial in the study of bone tissue function and can inform about pathologies or past traumatic events. The use of medical imaging techniques allows a non-invasive visualisation of skeletal cavities opening a new frontier in medical inspection and diagnosis. Here, we report the application of a new mesh-based approach for the isolation of skeletal cavities of different size and geometrical structure. We apply a mesh-based approach to extract (i) the main virtual cavities inside the human skull, (ii) a complete human endocast, (iii) the inner vasculature of the malleus bone and (iv) the medullary of a human femur. The detailed description of the mesh-based isolation method and its pioneristic application to four different case-studies show the potential of this approach in medical visualisation.
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22
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Gaffney-Stomberg E. The Impact of Trace Minerals on Bone Metabolism. Biol Trace Elem Res 2019; 188:26-34. [PMID: 30467628 DOI: 10.1007/s12011-018-1583-8] [Citation(s) in RCA: 80] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Accepted: 11/15/2018] [Indexed: 10/27/2022]
Abstract
Bone is a metabolically active tissue that responds to alterations in dietary intake and nutritional status. It is ~ 35% protein, mostly collagen which provides an organic scaffolding for bone mineral. The mineral is the remaining ~ 65% of bone tissue and composed mostly of calcium and phosphate in a form that is structurally similar to mineral within the apatite group. The skeletal tissue is constantly undergoing turnover through resorption by osteoclasts coupled with formation by osteoblasts. In this regard, the overall bone balance is determined by the relative contribution of each of these processes. In addition to macro minerals such as calcium, phosphorus, and magnesium which have well-known roles in bone health, trace elements such as boron, iron, zinc, copper, and selenium also impact bone metabolism. Effects of trace elements on skeletal metabolism and tissue properties may be indirect through regulation of macro mineral metabolism, or direct by affecting osteoblast or osteoclast proliferation or activity, or finally through incorporation into the bone mineral matrix. This review focuses on the skeletal impact of the following trace elements: boron, iron, zinc, copper, and selenium, and overviews the state of the evidence for each of these minerals.
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Affiliation(s)
- Erin Gaffney-Stomberg
- Military Performance Division of the US Army Research Institute of Environmental Medicine, Natick, MA, 01760, USA.
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23
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Zhou Y, Yang Y, Liu Y, Chang H, Liu K, Zhang X, Chang Y. Irp2 Knockout Causes Osteoporosis by Inhibition of Bone Remodeling. Calcif Tissue Int 2019; 104:70-78. [PMID: 30191282 DOI: 10.1007/s00223-018-0469-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Accepted: 08/22/2018] [Indexed: 02/07/2023]
Abstract
It has been found that iron disorder may lead to osteoporosis. However, the mechanism has been little explored. In the present study, we try to investigate the effects of iron disorder on bone metabolism using Irp2 knockout (Irp2-/-) mice. Female Irp2-/- mice were used in this study. Bone mineral density (BMD) was measured by Micro-CT. Serum markers for bone turnover were measured by enzyme-linked immunosorbent assay. Content of iron was measured in bone and liver tissue, and Vitamin D 25-hydroxylase (CYP2R1) content was measured in liver tissue. Relative gene expression involved in iron export and uptake, and some genes involved in activities of osteoblast and osteoclast were all measured by real-time PCR and western blot. Compared to wild-type mice, Irp2-/- mice exhibited reduced BMD, bone iron deficiency, and hepatic iron overload. Serum levels of 25(OH)D3 and markers for bone formation such as bone alkaline phosphatase (Balp), bone-gla-protein (BGP), and type I collagen alpha1 chain (Col I α1) were decreased, while markers for bone resorption including cathepsin K (Ctsk) and tartrate-resistant acid phosphatase (Trap) were all significantly increased. Hepatic CYP2R1 level was decreased in Irp2-/- mice compared with wild-type control mice. Compared to wild-type C57BL6 control mice, the expression of genes involved in osteoblast activity such as Balp, BGP, and Col I α1 were all significantly decreased in bone tissue, while genes for osteoclast activity such as Ctsk and Trap were all markedly increased in Irp2-/- mice at mRNA level. Genes involved in iron storage, uptake, and exporting were also measured in bone tissue. Posttranscriptionally decreased ferritin (FTL), ferroportin 1 (FPN1), and increased transferrin receptor 1 (TfR1) gene expressions have been unexpectedly found in bone tissue of Irp2-/- mice. Irp2-/- mice exhibit reduced bone iron content and osteoporosis. Decreased circulating 25(OH)D3 levels promoted activity of osteoclast, while impaired activity of osteoblast may contribute to pathogenesis of osteoporosis. And, reduced bone iron content may not be totally caused by TfR1-dependent pathways.
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Affiliation(s)
- Yaru Zhou
- Department of Endocrinology, Third Hospital of Hebei Medical University, Shijiazhuang, China.
| | - Yu Yang
- Department of Endocrinology, Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yan Liu
- Department of Endocrinology, Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Hengrui Chang
- Department of Orthopaedic Surgery, Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Kuanzhi Liu
- Department of Endocrinology, Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Xiaojuan Zhang
- Department of Endocrinology, Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yanzhong Chang
- College of Life Science, Hebei Normal University, Shijiazhuang, 050051, China.
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Petkus DL, Murray-Kolb LE, De Souza MJ. The Unexplored Crossroads of the Female Athlete Triad and Iron Deficiency: A Narrative Review. Sports Med 2018; 47:1721-1737. [PMID: 28290159 DOI: 10.1007/s40279-017-0706-2] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Despite the severity and prevalence of iron deficiency in exercising women, few published reports have explored how iron deficiency interacts with another prevalent and severe condition in exercising women: the 'female athlete triad.' This review aims to describe how iron deficiency may interact with each component of the female athlete triad, that is, energy status, reproductive function, and bone health. The effects of iron deficiency on energy status are discussed in regards to thyroid function, metabolic fuel availability, eating behaviors, and energy expenditure. The interactions between iron deficiency and reproductive function are explored by discussing the potentially impaired fertility and hyperprolactinemia due to iron deficiency and the alterations in iron metabolism due to menstrual blood loss and estrogen exposure. The interaction of iron deficiency with bone health may occur via dysregulation of the growth hormone/insulin-like growth factor-1 axis, hypoxia, and hypothyroidism. Based on these discussions, several future directions for research are presented.
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Affiliation(s)
- Dylan L Petkus
- Department of Kinesiology, The Pennsylvania State University, 104 Noll Laboratory, University Park, PA, 16802, USA
| | - Laura E Murray-Kolb
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA, USA
| | - Mary Jane De Souza
- Department of Kinesiology, The Pennsylvania State University, 104 Noll Laboratory, University Park, PA, 16802, USA.
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25
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Li Q, Wang D, Qiu J, Peng F, Liu X. Regulating the local pH level of titanium via Mg-Fe layered double hydroxides films for enhanced osteogenesis. Biomater Sci 2018; 6:1227-1237. [PMID: 29589018 DOI: 10.1039/c8bm00100f] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Hard tissue implant materials which can cause a suitable alkaline microenvironment are thought to be beneficial for stimulating osteoblast differentiation while suppressing osteoclast generation. To make the local pH around the interface between materials and cells controllable, we prepared a series of Mg-Fe layered double hydroxide (LDH) films on acid-etched pure titanium surfaces via hydrothermal treatment. By adjusting the Mg/Fe proportion ratio, the interlayer spacing of Mg-Fe LDHs was regulated, making their OH- exchange abilities adjustable, and this ultimately resulted in a microenvironment with a controllable pH value. In vitro experiments demonstrated that the Mg-Fe LDH film-modified titanium surface possessed good biocompatibility and osteogenic activity, especially the Mg-Fe LDH film with Mg/Fe proportion ratio of 4, which could form a suitable alkaline microenvironment for the growth and osteogenetic differentiation of stem cells. These results demonstrate the potential application of the prepared Mg-Fe LDH films in enhancing the osteogenesis of implant materials while providing a new way into the design of controllable alkaline environment.
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Affiliation(s)
- Qianwen Li
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China.
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26
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Bose S, Banerjee D, Robertson S, Vahabzadeh S. Enhanced In Vivo Bone and Blood Vessel Formation by Iron Oxide and Silica Doped 3D Printed Tricalcium Phosphate Scaffolds. Ann Biomed Eng 2018; 46:1241-1253. [PMID: 29728785 PMCID: PMC6095713 DOI: 10.1007/s10439-018-2040-8] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 04/26/2018] [Indexed: 12/15/2022]
Abstract
Calcium phosphate (CaP) ceramics show significant promise towards bone graft applications because of the compositional similarity to inorganic materials of bone. With 3D printing, it is possible to create ceramic implants that closely mimic the geometry of human bone and can be custom-designed for unusual injuries or anatomical sites. The objective of the study was to optimize the 3D-printing parameters for the fabrication of scaffolds, with complex geometry, made from synthesized tricalcium phosphate (TCP) powder. This study was also intended to elucidate the mechanical and biological effects of the addition of Fe+3 and Si+4 in TCP implants in a rat distal femur model for 4, 8, and 12 weeks. Doped with Fe+3 and Si+4 TCP scaffolds with 3D interconnected channels were fabricated to provide channels for micronutrients delivery and improved cell-material interactions through bioactive fixation. Addition of Fe+3 into TCP enhanced early-stage new bone formation by increasing type I collagen production. Neovascularization was observed in the Si+4 doped samples after 12 weeks. These findings emphasize that the additive manufacturing of scaffolds with complex geometry from synthesized ceramic powder with modified chemistry is feasible and may serve as a potential candidate to introduce angiogenic and osteogenic properties to CaPs, leading to accelerated bone defect healing.
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Affiliation(s)
- Susmita Bose
- Washington State University, Pullman, WA, 99164-2920, USA.
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27
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Zhang F, Li Q, Lin Z, Ma L, Xu S, Feng Q, Dong H, Zhang Y, Cao X. Engineered Fe(OH)3 nanoparticle-coated and rhBMP-2-releasing PLGA microsphere scaffolds for promoting bone regeneration by facilitating cell homing and osteogenic differentiation. J Mater Chem B 2018; 6:2831-2842. [DOI: 10.1039/c8tb00569a] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Iron facilitates cell homing and enhances the capacity of rhBMP-2.
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Affiliation(s)
- Fen Zhang
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou 510641
- China
- National Engineering Research Centre for Tissue Restoration and Reconstruction
| | - Qingtao Li
- National Engineering Research Centre for Tissue Restoration and Reconstruction
- Guangzhou 510006
- China
- Guangdong Province Key Laboratory of Biomedical Engineering
- South China University of Technology
| | - Zefeng Lin
- Department of Orthopedics
- Guangzhou General Hospital of Guangzhou Military Command
- Guangzhou
- China
- Guangdong Key Laboratory of Orthopedic Technology and Implant Materials
| | - Limin Ma
- Department of Orthopedics
- Guangzhou General Hospital of Guangzhou Military Command
- Guangzhou
- China
- Guangdong Key Laboratory of Orthopedic Technology and Implant Materials
| | - Sheng Xu
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou 510641
- China
- National Engineering Research Centre for Tissue Restoration and Reconstruction
| | - Qi Feng
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou 510641
- China
- National Engineering Research Centre for Tissue Restoration and Reconstruction
| | - Hua Dong
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou 510641
- China
- National Engineering Research Centre for Tissue Restoration and Reconstruction
| | - Yu Zhang
- Department of Orthopedics
- Guangzhou General Hospital of Guangzhou Military Command
- Guangzhou
- China
- Guangdong Key Laboratory of Orthopedic Technology and Implant Materials
| | - Xiaodong Cao
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou 510641
- China
- National Engineering Research Centre for Tissue Restoration and Reconstruction
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28
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Gaur S, Agnihotri R. Trace Mineral Micronutrients and Chronic Periodontitis-a Review. Biol Trace Elem Res 2017; 176:225-238. [PMID: 27580897 DOI: 10.1007/s12011-016-0832-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Accepted: 08/22/2016] [Indexed: 12/18/2022]
Abstract
Trace mineral micronutrients are imperative for optimum host response. Populations worldwide are prone to their insufficiency owing to lifestyle changes or poor nutritional intake. Balanced levels of trace minerals like iron (Fe), zinc (Zn), selenium (Se) and copper (Cu) are essential to prevent progression of chronic conditions like periodontitis. Their excess as well as deficiency is detrimental to periodontal health. This is specifically true in relation to Fe. Furthermore, some trace elements, e.g. Se, Zn and Cu are integral components of antioxidant enzymes and prevent reactive oxygen species induced destruction of tissues. Their deficiency can worsen periodontitis associated with systemic conditions like diabetes mellitus. With this background, the present review first focusses on the role of four trace minerals, namely, Fe, Zn, Se and Cu in periodontal health followed by an appraisal of the data from case control studies related to their association with chronic periodontitis.
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Affiliation(s)
- Sumit Gaur
- Department of Pedodontics and Preventive Dentistry, Manipal College of Dental Sciences, Manipal University, Manipal, Karnataka, 576104, India
| | - Rupali Agnihotri
- Department of Periodontology, Manipal College of Dental Sciences, Manipal University, Manipal, Karnataka, 576104, India.
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29
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Yin Y, Li Y, Li Q, Jia N, Liu A, Tan Z, Wu Q, Fan Z, Li T, Wang L. Evaluation of the Relationship Between Height and Zinc, Copper, Iron, Calcium, and Magnesium Levels in Healthy Young Children in Beijing, China. Biol Trace Elem Res 2017; 176:244-250. [PMID: 27592528 DOI: 10.1007/s12011-016-0830-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Accepted: 08/18/2016] [Indexed: 12/16/2022]
Abstract
We evaluated the relationship between child (aged 6-36 months) height and blood zinc, copper, iron, calcium, and magnesium concentrations. We selected 840 children following a physical examination. Weight and supine length or standing height were measured according to the World Health Organization guidelines. Polarographic analysis was used to measure zinc, copper, iron, magnesium, and calcium levels. Differences in heights between groups with low vs. high mineral concentrations, stratified by sex and age, were compared by analysis of variance. Relationships between these five elements and heights were tested by multiple regression analysis. Zinc levels in the shorter group (height for age (HAZ) ≤ -0.3) were 135.84 ± 39.76 and 134.83 ± 37.57 μmol/L in boys and girls, respectively. Zinc concentrations in the taller group (HAZ > -0.3) were 142.50 ± 35.85 and 140.52 ± 35.80 μmol/L in boys and girls, respectively. The difference between the two height groups in boys and girls was statistically significant. Compared with those (143.06 ± 33.76 μmol/L) in the taller group, zinc concentration (131.30 ± 40.75 μmol/L) in the shorter group was significantly lower (p = 0.04) at age 6-12 months. Height was positively correlated with zinc level in children aged 6-12 months (p < 0.05). Zinc levels were positively correlated with calcium, magnesium, and iron concentrations in children aged 6-36 months (p < 0.05). Our results indicated that zinc levels and height are correlated, and zinc levels were related to calcium, magnesium, copper, and iron concentrations. Therefore, to ensure healthy development in children, blood levels of these five elements should be balanced.
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Affiliation(s)
- Yan Yin
- Integrated Early Childhood Development, Capital Institute of Pediatrics, No. 2 Yabao Road, Chaoyang District, Beijing, 100020, China.
| | - Yongjin Li
- Tuanjiehu Community Health Service Center, Chaoyang District Tuanjiehu No. 7, Beijing, 100053, China
| | - Qin Li
- Environmental Standards Institute, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Ni Jia
- Integrated Early Childhood Development, Capital Institute of Pediatrics, No. 2 Yabao Road, Chaoyang District, Beijing, 100020, China
| | - Aihua Liu
- Integrated Early Childhood Development, Capital Institute of Pediatrics, No. 2 Yabao Road, Chaoyang District, Beijing, 100020, China
| | - Zangwen Tan
- Integrated Early Childhood Development, Capital Institute of Pediatrics, No. 2 Yabao Road, Chaoyang District, Beijing, 100020, China
| | - Qiong Wu
- Integrated Early Childhood Development, Capital Institute of Pediatrics, No. 2 Yabao Road, Chaoyang District, Beijing, 100020, China
| | - Zhaoyang Fan
- Integrated Early Childhood Development, Capital Institute of Pediatrics, No. 2 Yabao Road, Chaoyang District, Beijing, 100020, China
| | - Tao Li
- Integrated Early Childhood Development, Capital Institute of Pediatrics, No. 2 Yabao Road, Chaoyang District, Beijing, 100020, China
| | - Lijun Wang
- Integrated Early Childhood Development, Capital Institute of Pediatrics, No. 2 Yabao Road, Chaoyang District, Beijing, 100020, China
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30
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Vahabzadeh S, Bose S. Effects of Iron on Physical and Mechanical Properties, and Osteoblast Cell Interaction in β-Tricalcium Phosphate. Ann Biomed Eng 2017; 45:819-828. [PMID: 27896489 PMCID: PMC5608263 DOI: 10.1007/s10439-016-1724-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2016] [Accepted: 09/01/2016] [Indexed: 12/11/2022]
Abstract
Iron (Fe) is a vital element and its deficiency causes abnormal bone metabolism. We investigated the effects of Fe and its concentration in β-tricalcium phosphate (β-TCP) on physicomechanical properties and in vitro proliferation and differentiation of osteoblasts. Our results showed that Fe addition at concentrations of 0.5 wt.% (0.5 Fe-TCP) and 1.0 wt.% (1.0 Fe-TCP) inhibits the β-TCP to α-TCP phase transformation at sintering temperature of 1250 °C. Addition of 0.25 wt.% Fe (0.25 Fe-TCP) increased the compressive strength of β-TCP from 167.27 ± 16.2 to 227.10 ± 19.3 MPa. After 3 days of culture, surfaces of 0.5 Fe-TCP and 1.0 Fe-TCP samples were covered by osteoblast cells, compared to that of pure and 0.25 Fe-TCP. Cells grew to confluency on all Fe-doped samples after 7 days of culture and monolayer sheet-like cellular structure was found at 11 days. Optical cell density and alkaline phosphatase activity were significantly higher on Fe-doped samples and the highest values were found in 0.5 Fe-TCP samples. Our results show that Fe concentration had significant effect on physical and mechanical properties of TCP ceramics, and also on the in vitro osteoblast cellular interactions in TCP ceramics.
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Affiliation(s)
- Sahar Vahabzadeh
- W. M. Keck Biomedical Materials Research Laboratory, School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164-2920, USA
| | - Susmita Bose
- W. M. Keck Biomedical Materials Research Laboratory, School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164-2920, USA.
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31
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Liao Y, Cao H, Xia B, Xiao Q, Liu P, Hu G, Zhang C. Changes in Trace Element Contents and Morphology in Bones of Duck Exposed to Molybdenum or/and Cadmium. Biol Trace Elem Res 2017; 175:449-457. [PMID: 27392954 DOI: 10.1007/s12011-016-0778-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2016] [Accepted: 06/09/2016] [Indexed: 01/15/2023]
Abstract
Cadmium (Cd) and high molybdenum (Mo) can lead to adverse reactions on animals, but the coinduced toxicity of Mo and Cd to bone in ducks was not well understood. The objective of this study was to investigate the changes in trace elements' contents and morphology in bones of duck exposed to Mo or/and Cd. One hundred twenty healthy 11-day-old male ducks were randomly divided into six groups and treated with commercial diet containing Cd or/and Mo. On the 60th and 120th days, the blood, excretion, and metatarsals were collected to determine alkaline phosphatase (ALP) activity and the contents of Mo, Cd, calcium (Ca), phosphorus (P), copper (Cu), iron (Fe), zine (Zn), and selenium (Se). In addition, metatarsals were subjected to histopathological analysis with the optical microscope and radiography. The results indicated that Mo and Cd contents significantly increased while Ca, P, Cu, and Se contents remarkably decreased in metatarsals in coexposure groups (P < 0.01). Contents of Fe and Zn in metatarsals had no significant difference among groups (P > 0.05). Ca content in serum had no significant difference among experimental groups (P > 0.05), but P content was significantly decreased in HMo and HMo + Cd groups (P < 0.05). Contents of Ca and P in excretion and ALP activity were significantly increased in coinduced groups (P < 0.05). Furthermore, osteoporotic lesions, less and thinner trabecular bone were observed in combination groups. The findings suggested that dietary of Cd or/and Mo could lead to bone damages in ducks via disturbing the balance of Ca and P in body and homeostasis of Cu, Fe, Zn, and Se in bones; moreover, the two elements showed a possible synergistic relationship.
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Affiliation(s)
- Yilin Liao
- College of Animal Husbandry and Veterinary Medicine, Jiangxi Agricultural University, Nanchang, 330045, Jiangxi Province, People's Republic of China
| | - Huabin Cao
- College of Animal Husbandry and Veterinary Medicine, Jiangxi Agricultural University, Nanchang, 330045, Jiangxi Province, People's Republic of China
| | - Bing Xia
- College of Animal Husbandry and Veterinary Medicine, Jiangxi Agricultural University, Nanchang, 330045, Jiangxi Province, People's Republic of China
| | - Qingyang Xiao
- College of Animal Husbandry and Veterinary Medicine, Jiangxi Agricultural University, Nanchang, 330045, Jiangxi Province, People's Republic of China
| | - Ping Liu
- College of Animal Husbandry and Veterinary Medicine, Jiangxi Agricultural University, Nanchang, 330045, Jiangxi Province, People's Republic of China
| | - Guoliang Hu
- College of Animal Husbandry and Veterinary Medicine, Jiangxi Agricultural University, Nanchang, 330045, Jiangxi Province, People's Republic of China.
| | - Caiying Zhang
- College of Animal Husbandry and Veterinary Medicine, Jiangxi Agricultural University, Nanchang, 330045, Jiangxi Province, People's Republic of China.
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32
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Baschant U, Rauner M, Balaian E, Weidner H, Roetto A, Platzbecker U, Hofbauer LC. Wnt5a is a key target for the pro-osteogenic effects of iron chelation on osteoblast progenitors. Haematologica 2016; 101:1499-1507. [PMID: 27540134 DOI: 10.3324/haematol.2016.144808] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Accepted: 08/10/2016] [Indexed: 11/09/2022] Open
Abstract
Iron overload due to hemochromatosis or chronic blood transfusions has been associated with the development of osteoporosis. However, the impact of changes in iron homeostasis on osteoblast functions and the underlying mechanisms are poorly defined. Since Wnt signaling is a critical regulator of bone remodeling, we aimed to analyze the effects of iron overload and iron deficiency on osteoblast function, and further define the role of Wnt signaling in these processes. Therefore, bone marrow stromal cells were isolated from wild-type mice and differentiated towards osteoblasts. Exposure of the cells to iron dose-dependently attenuated osteoblast differentiation in terms of mineralization and osteogenic gene expression, whereas iron chelation with deferoxamine promoted osteogenic differentiation in a time- and dose-dependent manner up to 3-fold. Similar results were obtained for human bone marrow stromal cells. To elucidate whether the pro-osteogenic effect of deferoxamine is mediated via Wnt signaling, we performed a Wnt profiler array of deferoxamine-treated osteoblasts. Wnt5a was amongst the most highly induced genes. Further analysis revealed a time- and dose-dependent induction of Wnt5a being up-regulated 2-fold after 48 h at 50 μM deferoxamine. Pathway analysis using specific inhibitors revealed that deferoxamine utilized the phosphatidylinositol-3-kinase and nuclear factor of activated T cell pathways to induce Wnt5a expression. Finally, we confirmed the requirement of Wnt5a in the deferoxamine-mediated osteoblast-promoting effects by analyzing the matrix mineralization of Wnt5a-deficient cells. The promoting effect of deferoxamine on matrix mineralization in wild-type cells was completely abolished in Wnt5a-/- cells. Thus, these data demonstrate that Wnt5a is critical for the pro-osteogenic effects of iron chelation using deferoxamine.
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Affiliation(s)
- Ulrike Baschant
- Department of Medicine III, Technische Universität Dresden, Saxony, Germany
| | - Martina Rauner
- Department of Medicine III, Technische Universität Dresden, Saxony, Germany
| | - Ekaterina Balaian
- Department of Medicine I, Technische Universität Dresden, Saxony, Germany
| | - Heike Weidner
- Department of Medicine I, Technische Universität Dresden, Saxony, Germany
| | - Antonella Roetto
- Department of Clinical and Biological Science, University of Torino, Italy
| | - Uwe Platzbecker
- Department of Medicine I, Technische Universität Dresden, Saxony, Germany
| | - Lorenz C Hofbauer
- Department of Medicine III, Technische Universität Dresden, Saxony, Germany .,Center for Regenerative Therapies Dresden, Saxony, Germany.,Center for Healthy Aging, Technische Universität Dresden, Saxony, Germany
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33
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Katsumata S, Katsumata R, Matsumoto N, Inoue H, Takahashi N, Uehara M. Iron deficiency decreases renal 25-hydroxyvitamin D3-1α-hydroxylase activity and bone formation in rats. BMC Nutr 2016. [DOI: 10.1186/s40795-016-0072-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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34
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Medeiros DM. Copper, iron, and selenium dietary deficiencies negatively impact skeletal integrity: A review. Exp Biol Med (Maywood) 2016; 241:1316-22. [PMID: 27190269 DOI: 10.1177/1535370216648805] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Nutrients have been known to have a significant role in maintaining the health of the skeleton, both bone and cartilage. The nutrients that have received the majority of the attention are Vitamin D and calcium. However, limited attention has been directed toward three trace elements that may have mechanistic impact upon the skeletal tissues and could compromise skeletal health resulting from inadequate intakes of copper, iron, and selenium. The role of copper and selenium has been known, but the role of iron has only received recent attention. Copper deficiency is thought to impact bone health by a decrease in lysyl oxidase, a copper-containing enzyme, which facilitates collagen fibril crosslinking. Iron deficiency impact upon bone has only recently been discovered but the exact mechanism on how the deficient states enhance bone pathology is speculative. Selenium deficiency has an impact on cartilage thereby having an indirect impact on bone. However, several studies suggest that a mycotoxin when consumed by humans is the culprit in some cartilage disorders and the presence of selenium could attenuate the pathology. This review summarizes the current knowledge base with respect to skeletal integrity when each of these three trace elements are inadequate in diets of both animals and humans.
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Affiliation(s)
- Denis M Medeiros
- Division of Molecular Biology and Biochemistry, School of Graduate Studies, University of Missouri-Kansas City, Kansas City, MO 64112, USA
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35
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Dermience M, Lognay G, Mathieu F, Goyens P. Effects of thirty elements on bone metabolism. J Trace Elem Med Biol 2015; 32:86-106. [PMID: 26302917 DOI: 10.1016/j.jtemb.2015.06.005] [Citation(s) in RCA: 130] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Revised: 05/07/2015] [Accepted: 06/19/2015] [Indexed: 01/19/2023]
Abstract
The human skeleton, made of 206 bones, plays vital roles including supporting the body, protecting organs, enabling movement, and storing minerals. Bones are made of organic structures, intimately connected with an inorganic matrix produced by bone cells. Many elements are ubiquitous in our environment, and many impact bone metabolism. Most elements have antagonistic actions depending on concentration. Indeed, some elements are essential, others are deleterious, and many can be both. Several pathways mediate effects of element deficiencies or excesses on bone metabolism. This paper aims to identify all elements that impact bone health and explore the mechanisms by which they act. To date, this is the first time that the effects of thirty minerals on bone metabolism have been summarized.
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Affiliation(s)
- Michael Dermience
- University of Liège - Gembloux Agro Bio Tech, Unit Analyzes, Quality, Risks, Laboratory of Analytical Chemistry, Passage des Déportés, 2, B-5030 Gembloux, Belgium.
| | - Georges Lognay
- University of Liège - Gembloux Agro Bio Tech, Unit Analyzes, Quality, Risks, Laboratory of Analytical Chemistry, Passage des Déportés, 2, B-5030 Gembloux, Belgium.
| | - Françoise Mathieu
- Kashin-Beck Disease Fund asbl-vzw, Rue de l'Aunee, 6, B-6953 Forrieres, Belgium.
| | - Philippe Goyens
- Kashin-Beck Disease Fund asbl-vzw, Rue de l'Aunee, 6, B-6953 Forrieres, Belgium; Department and Laboratory of Pediatric, Free Universities of Brussels, Brussels, Belgium.
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36
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Zhang J, Shi HS, Liu JQ, Yu T, Shen ZH, Ye JD. Good hydration and cell-biological performances of superparamagnetic calcium phosphate cement with concentration-dependent osteogenesis and angiogenesis induced by ferric iron. J Mater Chem B 2015; 3:8782-8795. [DOI: 10.1039/c5tb01440a] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Superparamagnetic Fe3+-doped calcium phosphate cement (Fe-CPC) has prospective applications in bone remodeling due to its good hydration properties and significant effect on osteogenesis and angiogenesis.
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Affiliation(s)
- J. Zhang
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou 510641
- China
| | - H. S. Shi
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou 510641
- China
| | - J. Q. Liu
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou 510641
- China
- Key Laboratory of Biomedical Engineering of Guangdong Province
| | - T. Yu
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou 510641
- China
- College of Science and Engineering
| | - Z. H. Shen
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou 510641
- China
| | - J. D. Ye
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou 510641
- China
- National Engineering Research Center for Tissue Restoration and Reconstruction
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37
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Influence of nano-size reduction on absorption and bioavailability of calcium from fortified milk powder in rats. Food Res Int 2014. [DOI: 10.1016/j.foodres.2014.08.026] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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38
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Lee KS, Jang JS, Lee DR, Kim YH, Nam GE, Han BD, Do Han K, Cho KH, Kim SM, Choi YS, Kim DH. Serum ferritin levels are positively associated with bone mineral density in elderly Korean men: the 2008-2010 Korea National Health and Nutrition Examination Surveys. J Bone Miner Metab 2014; 32:683-90. [PMID: 24337956 DOI: 10.1007/s00774-013-0540-z] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2013] [Accepted: 10/31/2013] [Indexed: 10/25/2022]
Abstract
A possible negative effect of iron overload on bone metabolism has been suggested by the fact that patients with hemochromatosis, thalassemia, and sickle cell anemia have lower bone mineral density than the general population. However, the influence of iron overload on bone health in the general population is uncertain. The aim of this study was to investigate the relationship between serum ferritin levels and bone mineral density (BMD) in elderly Koreans. A total of 2,943 subjects aged 65 years and over who participated in the 2008-2010 Korea National Health and Nutrition Examination Surveys were included in this study. Age, physical activity, current smoking status, alcohol consumption, education level, household income, and dietary assessment were surveyed by a face-to-face interview. BMD was measured at the lumbar spine and femur by dual-energy X-ray absorptiometry, and other biochemical markers, including serum ferritin, 25-hydroxyvitamin D3, serum alkaline phosphatase, and parathyroid hormone, were assayed. After adjusting for age and body mass index, we found an association between BMD of the total lumbar spine, total femur, and femur neck and levels of alkaline phosphatase, parathyroid hormone, vitamin D3, and daily intake of calcium and protein. Serum ferritin levels were positively associated with BMD of the total lumbar spine, total femur, and femur neck after adjusting for all covariates in men, but not in women. This study suggests a positive association between serum ferritin levels and BMD in elderly South Korean men without hematologic disorders. Further study is warranted to verify the effects of iron on bone metabolism.
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Affiliation(s)
- Kyung Shik Lee
- Department of Family Medicine, Wonkwang University College of Medicine, Gunpo-si, Gyeonggi-do, South Korea
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39
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Zheng J, Mao X, Ling J, He Q, Quan J. Low serum levels of zinc, copper, and iron as risk factors for osteoporosis: a meta-analysis. Biol Trace Elem Res 2014; 160:15-23. [PMID: 24908111 DOI: 10.1007/s12011-014-0031-7] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2014] [Accepted: 05/26/2014] [Indexed: 10/25/2022]
Abstract
Zinc (Zn), copper (Cu), and iron (Fe) are essential trace elements for the growth, development, and maintenance of healthy bones. However, there are conflicting reports as to the relationship between serum level of Zn, Cu, or Fe and osteoporosis (OP). The purpose of the present study is to clarify the relationship between serum Zn, Cu, or Fe and OP using a meta-analysis approach. We searched all articles indexed in PubMed published up to May 2014 concerning the association between serum level of Zn, Cu, or Fe and OP. Eight eligible articles involving 2,188 subjects were identified. Overall, pooled analysis indicated that patients with OP had a lower serum level of Zn, Cu, or Fe than the healthy controls (Zn standardized mean difference (SMD) = -1.396, 95% confidence interval (CI) = [-2.129, -0.663]; Cu SMD = -0.386, 95% CI = [-0.538, -0.234]; Fe SMD = -0.22, 95% CI = [-0.30, -0.13]). Further subgroup analysis found that geographical location and gender had an influence on the serum level of Zn in OP and healthy controls, but not on the serum level of Cu or Fe. No evidence of publication bias was observed. In conclusion, this meta-analysis suggests that low serum levels of Zn, Cu, and Fe seem to be important risk factors for OP and well-designed studies with adequate control for confounding factors are required in future investigations.
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Affiliation(s)
- Jianmao Zheng
- Department of Operative Dentistry and Endodontics, Guanghua School of Stomatology, Affiliated Stomatological Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510055, China
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40
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Maciejewska K, Drzazga Z, Kaszuba M. Role of trace elements (Zn, Sr, Fe) in bone development: energy dispersive X-ray fluorescence study of rat bone and tooth tissue. Biofactors 2014; 40:425-35. [PMID: 24615876 DOI: 10.1002/biof.1163] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2013] [Revised: 02/17/2014] [Accepted: 02/27/2014] [Indexed: 11/11/2022]
Abstract
Osteoporosis is one of the most common debilitating disease around the world and it is more and more established among young people. There are well known recommendations for nutrition of newborns and children concerning adequate calcium and vitamin D intake in order to maintain proper bone density. Nevertheless, important role in structure and function of a healthy bone tissue is played by an integration between all constituents including elements other than Ca, like trace elements, which control vital processes in bone tissue. It is important from scientific point of view as well as prevention of bone diseases, to monitor the mineralization process considering changes of the concentration of minerals during first stage of bone formation. This work presents studies of trace element (zinc, strontium, and iron) concentration in bones and teeth of Wistar rats at the age of 7, 14, and 28 days. Energy dispersive X-ray fluorescence (EDXRF) was used to examine mandibles, skulls, femurs, tibiae, and incisors. The quantitative analysis was performed using fundamental parameters method (FP). Zn and Sr concentrations were highest for the youngest individuals and decreased with age of rats, while Fe content was stable in bone matrix for most studied bones. Our results reveal the necessity of monitoring concentration of not only major, but also minor elements, because the trace elements play special role in the first period of bone development.
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Affiliation(s)
- Karina Maciejewska
- Department of Medical Physics, Institute of Physics, University of Silesia, Katowice, Poland
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41
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Ndong M, Uehara M, Katsumata S, Sato S, Suzuki K. Preventive Effects ofMoringa oleifera(Lam) on Hyperlipidemia and Hepatocyte Ultrastructural Changes in Iron Deficient Rats. Biosci Biotechnol Biochem 2014; 71:1826-33. [PMID: 17690476 DOI: 10.1271/bbb.60644] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The effects of Moringa oleifera (MO), Moringaceae on hyperlipidemia and hepatocyte ultrastructural changes caused by iron deficiency were investigated. Four-week-old male Wistar-strain rats were fed a control diet based on AIN-93G (C), an iron deficient diet (FeD), a FeD + 0.5% MO (FeD-m) diet, or a FeD + MO 1% (FeD-M) diet for 4 weeks. It was found that MO reduced iron-deficient diet-induced increases in serum and hepatic lipids with dose-dependent increases of serum quercetin and kaempherol, but did not prevent anemia. By electron microscopy, in iron deficient hepatocytes, slightly swollen mitochondria and few glycogen granules were observed, but glycogen granules increased and mitochondria were normalized by treatment with MO. Furthermore, lipoproteins were observed in the Golgi complex under treatment with MO. These results suggest a possible beneficial effect of MO in the prevention of hyperlipidemia and ultrastructural changes in hepatocytes due to iron-deficiency.
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Affiliation(s)
- Moussa Ndong
- Department of Nutritional Science, Faculty of Applied Bioscience, Tokyo University of Agriculture, Sakuragaoka, Tokyo, Japan
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42
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Wright I, Blanco-Rojo R, Fernández MC, Toxqui L, Moreno G, Pérez-Granados AM, de la Piedra C, Remacha ÁF, Vaquero MP. Bone remodelling is reduced by recovery from iron-deficiency anaemia in premenopausal women. J Physiol Biochem 2013; 69:889-96. [PMID: 23813442 DOI: 10.1007/s13105-013-0266-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2013] [Accepted: 06/03/2013] [Indexed: 11/30/2022]
Abstract
Iron-deficiency anaemia (IDA), one of the most common and widespread health disorders worldwide, affects fundamental metabolic functions and has been associated with deleterious effects on bone. Our aim was to know whether there are differences in bone remodelling between a group of premenopausal IDA women and a healthy group, and whether recovery of iron status has an effect on bone turnover markers. Thirty-five IDA women and 38 healthy women (control group) were recruited throughout the year. IDA women received pharmacological iron treatment. Iron biomarkers, aminoterminal telopeptide of collagen I (NTx), procollagen type 1 N-terminal propeptide (P1NP), 25-hydroxyvitamin D, and parathormone (PTH) were determined at baseline for both groups and after treatment with pharmacological iron for the IDA group. IDA subjects were classified as recovered (R) or non-recovered (nR) from IDA after treatment. NTx levels were significantly higher (p <0.001), and P1NP levels tended to be lower in IDA women than controls after adjusting for age and body mass index (BMI), with no differences in 25-hydroxyvitamin D or PTH. After treatment, the R group had significantly lower NTx and P1NP levels compared to baseline (p <0.05 and p <0.001 respectively), whilst no significant changes were seen in the nR group. No changes were seen in 25-hydroxyvitamin D or PTH for either group. IDA is related to higher bone resorption independent of age and BMI. Recovery from IDA has a concomitant beneficial effect on bone remodelling in premenopausal women, decreasing both bone resorption and formation.
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Affiliation(s)
- Ione Wright
- Institute of Food Science, Technology and Nutrition (ICTAN), Spanish National Research Council (CISC), C/José Antonio Novais 10, 28040, Madrid, Spain
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43
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Hou J, Yamada S, Kajikawa T, Ozaki N, Awata T, Yamaba S, Fujihara C, Murakami S. Iron plays a key role in the cytodifferentiation of human periodontal ligament cells. J Periodontal Res 2013; 49:260-7. [PMID: 23710667 DOI: 10.1111/jre.12103] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/14/2013] [Indexed: 11/30/2022]
Abstract
BACKGROUND AND OBJECTIVE The periodontal ligament (PDL) is vital to maintaining the homeostasis of the tooth and periodontal tissue. The influence of iron levels on the cytodifferentiation of PDL cells has not been studied, despite evidence that iron overload or deficiency can have adverse effects on alveolar bone density. The purpose of this study was to examine the effects of altered iron levels on cytodifferentiation in human PDL cells. MATERIAL AND METHODS Human PDL cells were incubated with culture media supplemented with 10-50 μm ammonium ferric citrate or 5 μm deferoxamine (an iron chelator) during differentiation. Intracellular iron status was assessed by measuring changes in the expression of ferritin RNA and protein. PDL cell differentiation and function were evaluated by measuring osteoblast differentiation gene markers and the capacity of cultures to form mineralized nodules. RESULTS Iron accumulation resulted in upregulation of light and heavy chain ferritin proteins. Concurrently, osteoblast differentiation gene markers and mineralized nodule formation were suppressed. Iron deficiency resulted in downregulation of light and heavy chain ferritin proteins, suppression of alkaline phosphatase activity and formation of mineralized nodules during PDL cell differentiation. CONCLUSION We conclude that iron is critical for normal cell differentiation of human PDL cells.
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Affiliation(s)
- J Hou
- Department of Periodontology, Peking University School and Hospital of Stomatology, Beijing, China; Department of Periodontology, Osaka University Graduate School of Dentistry, Osaka, Japan
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44
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Laudermilk MJ, Manore MM, Thomson CA, Houtkooper LB, Farr JN, Going SB. Vitamin C and zinc intakes are related to bone macroarchitectural structure and strength in prepubescent girls. Calcif Tissue Int 2012; 91:430-9. [PMID: 23076447 PMCID: PMC3496253 DOI: 10.1007/s00223-012-9656-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2012] [Accepted: 09/24/2012] [Indexed: 10/27/2022]
Abstract
The extent to which nutrient intake may influence bone structure and strength during maximal rates of skeletal growth remains uncertain. We examined the relationship of dietary intake of micronutrients and bone macroarchitectural structure in young girls. This cross-sectional analysis included baseline data from 363 fourth- and sixth-grade girls enrolled in the Jump-In study. Nutrient intake was assessed using the Harvard Youth/Adolescent Food Frequency Questionnaire. Volumetric BMD (vBMD), bone geometry, and strength were measured by peripheral quantitative computed tomography. Correlations and regression modeling assessed relations between usual nutrient intake and bone parameters. In fourth-grade girls, metaphyseal and diaphyseal area and circumferences as well as diaphyseal strength were associated with vitamin C intake (r = 0.15-0.19, p < 0.05). Zinc intake was correlated with diaphyseal vBMD (r = 0.15-0.16, p < 0.05). Using multiple linear regression to adjust for important covariates, we observed significant independent associations for vitamin C and zinc with bone parameters. For every milligram per day of vitamin C intake trabecular area increased by 11 %, cortical strength improved by 14 %, and periosteal and endosteal circumferences increased by 5 and 8.6 %, respectively. For every milligram per day of zinc intake, cortical vBMD increased by <1 %. No significant associations were observed in sixth-grade girls. Results of this study suggests that vitamin C and zinc intake are positively associated with objective measures of bone geometry, size, and strength in fourth-grade girls. This indicates that potential differences in micronutrient and bone associations at various age-associated stages of bone maturation may be indicative of competing hormonal influences.
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Affiliation(s)
- Monica J Laudermilk
- Center for Clinical Epidemiology and Biostatistics, The University of Pennsylvania, 423 Guardian Drive, 8th Floor, Blockley Hall, Philadelphia, PA, USA.
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45
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Yanovich R, Merkel D, Israeli E, Evans RK, Erlich T, Moran DS. Anemia, iron deficiency, and stress fractures in female combatants during 16 months. J Strength Cond Res 2012; 25:3412-21. [PMID: 22080308 DOI: 10.1519/jsc.0b013e318215f779] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Yanovich, R, Merkel, D, Israeli, E, Evans, RK, Erlich, T, and Moran, DS. Anemia, iron deficiency, and stress fractures in female combatants during 16 months. J Strength Cond Res 25(12): 3412-3421, 2011-The purpose of this study is to evaluate the hematological profile of military recruits in different settings and training programs and to investigate the link between anemia and iron deficiency with stress fracture (SF) occurrence. We surveyed 3 groups of recruits for 16 months: 221 women (F) and 78 men (M) from 3 different platoons of a gender-integrated combat battalion and a control group (CF) of 121 female soldiers from a noncombat unit. Data were fully collected upon induction and at 4 and 16 months from 48F, 21M, and 31CF. Blood tests, anthropometry, physical aerobic fitness, and SF occurrence were evaluated. On induction day, 18.0 and 19.0% of F and CF were found to be anemic, and 61.4 and 50.9%, respectively, were found to have iron deficiency, whereas 7.7% of M were found to be anemic and 10.2% iron deficient. During the 4 months of army basic training (ABT), anemia and iron deficiency prevalence did not change significantly in any group. After 16-months, anemia prevalence decreased by 8% among F and CF and abated in M. Iron deficiency was prevalent in 50.0, 59.4, and 18.8% of F, CF, and M, respectively. Stress fractures were diagnosed in 14 F during ABT, and they had a significantly higher prevalence (p < 0.05) of anemia and iron deficiency anemia compared to F without SFs. The observed link between anemia and iron deficiency on recruitment day and SFs suggests the importance of screening female combat recruits for these deficiencies. To minimize the health impact of army service on female soldiers, preventative measures related to anemia and iron deficiency should be administered. Further research is needed for evaluating the influence of low iron in kosher meat as a possible explanation for the high prevalence of iron deficiency among young Israeli recruits.
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Affiliation(s)
- Ran Yanovich
- Heller Institute of Medical Research, Sheba Medical Center, Tel Hashomer, Israel
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46
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Collins AC, Ward KD, Mirza B, Slawson DL, McClanahan BS, Vukadinovich C. Comparison of nutritional intake in US adolescent swimmers and non-athletes. Health (London) 2012; 4:873-880. [PMID: 27672430 PMCID: PMC5035546 DOI: 10.4236/health.2012.410133] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Swimming is a very popular sport among adolescents in the US. Little is known about the diet of competitive adolescent swimmers in the US but data from other countries indicate several inadequacies, including excessive intake of fat and lower than recommended intake of carbohydrate and several micronutrients that may affect athletic performance and bone accrual. We assessed usual diet, using a food frequency questionnaire and calcium checklist, among 191 adolescent males and females [91 swimmers (mean 13.7, s = 2.5 years) and 100 non-athletes (mean 14.4, s = 2.8 years)]. For both males and females, swimmers and non-athletes generally had similar average intakes of macro- and micro-nutrients, including higher than recommended amounts of total fat (36%) and saturated fat (12%), and inadequate amounts of calcium, vitamin D, and daily servings of fruits, vegetables, grains, and dairy products. This first study of nutritional intake among adolescent swimmers in the US suggests that dietary habits of adolescents who swim competitively may jeopardize optimal athletic performance and place them at risk for future chronic diseases, including osteoporosis.
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Affiliation(s)
- Andy C Collins
- Division of Social and Behavioral Sciences, School of Public Health, The University of Memphis, Memphis, USA
| | - Kenneth D Ward
- Division of Social and Behavioral Sciences, School of Public Health, The University of Memphis, Memphis, USA
| | | | - Deborah L Slawson
- College of Public Health, East Tennessee State University, Johnson City, USA
| | - Barbara S McClanahan
- Department of Health and Sport Sciences, The University of Memphis, Memphis, USA
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47
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Lobo AR, Gaievski EHS, Colli C. Hemoglobin regeneration efficiency in anemic rats: effects on bone mineral composition and biomechanical properties. Biol Trace Elem Res 2011; 143:403-11. [PMID: 20938812 DOI: 10.1007/s12011-010-8871-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2010] [Accepted: 09/27/2010] [Indexed: 11/28/2022]
Abstract
This study reports the effects of dietary iron (Fe) deficiency and recovery on bone mineral composition and strength in anemic rats submitted to a hemoglobin (Hb) repletion assay. Weanling male Wistar rats were fed a low-Fe diet (12 mg/kg) for 15 days followed by 2 weeks of Fe repletion with diets providing 35 mg Fe/kg as either ferrous sulfate (n = 8) or ferric pyrophosphate (FP; n = 12). At final day of each period (depletion and repletion), Fe-adequate animals were also euthanized. Iron status (blood Hb, Hb Fe pool, Hb regeneration efficiency), tibia mineral concentrations (Ca, Mg, Fe, Cu, and Zn) and biomechanical properties were evaluated. Iron-deficient rats had lower tibia Fe and Mg levels and bone strength when compared to controls. Yield load and resilience were positively related to tibia Mg levels (r = 0.47, P = 0.02 and r = 0.56, P = 0.004, respectively). Iron repletion did not recover tibia Mg concentrations impaired by Fe deficiency. Moreover, bone elastic properties were negatively affected by FP consumption. In conclusion, bone mineral composition and strength were affected by Fe deficiency, whereas dietary Fe source influenced tibia Mg and resistance in the period during which rats were recovering from anemia.
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Affiliation(s)
- Alexandre Rodrigues Lobo
- Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences, University of São Paulo, Brazil, Av Prof Lineu Prestes 580, Bloco 14, 05508 90 São Paulo, Brazil
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48
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Díaz-Castro J, Ramírez López-Frías M, Campos MS, López-Frías M, Alférez MJM, Nestares T, Ortega E, López-Aliaga I. Goat milk during iron repletion improves bone turnover impaired by severe iron deficiency. J Dairy Sci 2011; 94:2752-61. [PMID: 21605744 DOI: 10.3168/jds.2010-4043] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2010] [Accepted: 02/22/2011] [Indexed: 11/19/2022]
Abstract
The effect of goat or cow milk-based diets, with either normal Fe content or an Fe overload, on bone turnover and the mineralization process was studied in control and anemic rats during chronic Fe repletion. One hundred eighty male Wistar rats were studied during a pre-experimental period of 40 d in which they were randomly divided into 2 groups, a control group receiving the AIN-93G diet with normal Fe content (45 mg/kg of diet) and the Fe-deficient group receiving the AIN-93G diet with low Fe content (5mg/kg of diet) for 40 d. After the pre-experimental period, the rats were fed for 10, 30, or 50 d with goat or cow milk-based diets with a normal Fe content (45 mg/kg of diet) or an Fe overload (450 mg/kg of diet). In anemic rats, goat milk with normal Fe content increased levels of the biomarker of bone formation N-terminal propeptides of type I procollagen and diminished parathyroid hormone levels after only 10 d of supplying this diet, indicating the beginning of restoration of the bone demineralization induced by the anemia, which was not observed with cow milk. After 30 d of supplying the milk-based diets with normal Fe content or an Fe overload, biomarkers of bone formation and bone resorption were not different between control and anemic rats, indicating that the bone demineralization induced by the Fe-deficiency anemia had recovered, although the process of stabilization of bone turnover began earlier in the animals fed goat milk. In addition, a higher Ca deposit was observed in femur, which positively affects bone mineralization, as well as an increase of Fe in sternum, which indicates that the hematopoietic process essentially recovered earlier on the goat milk diet compared with the cow milk diet.
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Affiliation(s)
- J Díaz-Castro
- Department of Physiology and Institute of Nutrition and Food Technology, University of Granada, E-18071 Granada, Spain.
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49
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Mitchell E, Frisbie S, Sarkar B. Exposure to multiple metals from groundwater-a global crisis: geology, climate change, health effects, testing, and mitigation. Metallomics 2011; 3:874-908. [PMID: 21766119 DOI: 10.1039/c1mt00052g] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
This paper presents an overview of the global extent of naturally occurring toxic metals in groundwater. Adverse health effects attributed to the toxic metals most commonly found in groundwater are reviewed, as well as chemical, biochemical, and physiological interactions between these metals. Synergistic and antagonistic effects that have been reported between the toxic metals found in groundwater and the dietary trace elements are highlighted, and common behavioural, cultural, and dietary practices that are likely to significantly modify health risks due to use of metal-contaminated groundwater are reviewed. Methods for analytical testing of samples containing multiple metals are discussed, with special attention to analytical interferences between metals and reagents. An overview is presented of approaches to providing safe water when groundwater contains multiple metallic toxins.
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50
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Díaz-Castro J, López-Frías MR, Campos MS, López-Frías M, Alférez MJM, Nestares T, Ojeda ML, López-Aliaga I. Severe nutritional iron-deficiency anaemia has a negative effect on some bone turnover biomarkers in rats. Eur J Nutr 2011; 51:241-7. [PMID: 21647667 DOI: 10.1007/s00394-011-0212-5] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2011] [Accepted: 05/24/2011] [Indexed: 01/06/2023]
Abstract
BACKGROUND The role of iron (Fe) in bone formation and disease have not received much attention, a fact that is interesting given the known biochemical role that this mineral has upon collagen maturation together with the high prevalence of Fe-deficiency anaemia worldwide. AIM To investigate the changes in bone formation, resorption and mineral content in developing rats with induced nutritional Fe-deficiency anaemia. METHODS Thirty male Wistar rats were divided into two groups, a control group receiving AIN-93G diet with normal-Fe content and an anaemic group receiving AIN-93G diet with low-Fe content for 40 days. Both diets were prepared with an adequate calcium (Ca) and phosphorus (P) content. The most representative serum bone turnover biomarkers and femur and sternum calcium and phosphorus content, together with sternum Fe content were determined in both experimental groups. RESULTS In anaemic rats, bone matrix formation diminished as revealed by the lower amount of procollagen type I N-terminal propeptide. Bone resorption process increased in Fe deficiency as shown by the increase of serum parathyroid hormone, tartrate-resistant acid phosphatase and levels of degradation products from C-terminal telopeptides of type I collagen released to the serum. In addition, mineralization process was affected by Fe deficiency, because Ca and P content in femur decreased markedly. CONCLUSIONS Fe-deficiency anaemia had a significant impact upon bone, affecting bone mineralization, decreasing the matrix formation and increasing bone resorption, therefore it is of great interest to assess bone status in situation of Fe-deficiency anaemia.
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Affiliation(s)
- Javier Díaz-Castro
- Department of Physiology, Faculty of Pharmacy and Institute of Nutrition and Food Technology José Mataix, University of Granada, Campus Universitario de Cartuja, Granada, Spain.
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