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Al-Madhagy S, Ashmawy NS, Mamdouh A, Eldahshan OA, Farag MA. A comprehensive review of the health benefits of flaxseed oil in relation to its chemical composition and comparison with other omega-3-rich oils. Eur J Med Res 2023; 28:240. [PMID: 37464425 DOI: 10.1186/s40001-023-01203-6] [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: 11/02/2022] [Accepted: 06/28/2023] [Indexed: 07/20/2023] Open
Abstract
Flaxseed (Linum usitatissimum L) is an ancient perennial plant species regarded as a multipurpose plant owing to its richness in omega-3 polyunsaturated fatty acids (PUFA) including α-linolenic acid (ALA). The extensive biochemical analysis of flaxseed resulted in the identification of its bioactive, i.e., lignans with potential application in the improvement of human health. Flaxseed oil, fibers, and lignans exert potential health benefits including reduction of cardiovascular disease, atherosclerosis, diabetes, cancer, arthritis, osteoporosis, and autoimmune and neurological disorders that have led to the diversification of flaxseed plant applications. This comprehensive review focuses on flaxseed oil as the major product of flaxseed with emphasis on the interrelationship between its chemical composition and biological effects. Effects reviewed include antioxidant, anti-inflammatory, antimicrobial, anticancer, antiulcer, anti-osteoporotic, cardioprotective, metabolic, and neuroprotective. This study provides an overview of flaxseed oil effects with the reported action mechanisms related to its phytochemical composition and in comparison, to other PUFA-rich oils. This study presents the most updated and comprehensive review summarizing flaxseed oil's health benefits for the treatment of various diseases.
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Affiliation(s)
- Somaia Al-Madhagy
- Pharmacognosy Department, College of Pharmacy, Cairo University, Kasr El-Aini St., Cairo, 11562, Egypt
| | - Naglaa S Ashmawy
- Pharmacognosy Department, Faculty of Pharmacy, Ain Shams University, Cairo, 11566, Egypt
| | - Ayat Mamdouh
- Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Omayma A Eldahshan
- Pharmacognosy Department, Faculty of Pharmacy, Ain Shams University, Cairo, 11566, Egypt.
- Center of Drug Discovery Research and Development, Ain Shams University, Cairo, 11566, Egypt.
| | - Mohamed A Farag
- Pharmacognosy Department, College of Pharmacy, Cairo University, Kasr El-Aini St., Cairo, 11562, Egypt.
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Omer M, Ngo C, Ali H, Orlovskaya N, Cheong VS, Ballesteros A, Garner MT, Wynn A, Martyniak K, Wei F, Collins BE, Yarmolenko SN, Asiatico J, Kinzel M, Ghosh R, Meckmongkol T, Calder A, Dahir N, Gilbertson TA, Sankar J, Coathup M. The Effect of Omega-9 on Bone Viscoelasticity and Strength in an Ovariectomized Diet-Fed Murine Model. Nutrients 2023; 15:nu15051209. [PMID: 36904208 PMCID: PMC10005705 DOI: 10.3390/nu15051209] [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: 01/11/2023] [Revised: 01/30/2023] [Accepted: 02/10/2023] [Indexed: 03/08/2023] Open
Abstract
Few studies have investigated the effect of a monosaturated diet high in ω-9 on osteoporosis. We hypothesized that omega-9 (ω-9) protects ovariectomized (OVX) mice from a decline in bone microarchitecture, tissue loss, and mechanical strength, thereby serving as a modifiable dietary intervention against osteoporotic deterioration. Female C57BL/6J mice were assigned to sham-ovariectomy, ovariectomy, or ovariectomy + estradiol treatment prior to switching their feed to a diet high in ω-9 for 12 weeks. Tibiae were evaluated using DMA, 3-point-bending, histomorphometry, and microCT. A significant decrease in lean mass (p = 0.05), tibial area (p = 0.009), and cross-sectional moment of inertia (p = 0.028) was measured in OVX mice compared to the control. A trend was seen where OVX bone displayed increased elastic modulus, ductility, storage modulus, and loss modulus, suggesting the ω-9 diet paradoxically increased both stiffness and viscosity. This implies beneficial alterations on the macro-structural, and micro-tissue level in OVX bone, potentially decreasing the fracture risk. Supporting this, no significant differences in ultimate, fracture, and yield stresses were measured. A diet high in ω-9 did not prevent microarchitectural deterioration, nevertheless, healthy tibial strength and resistance to fracture was maintained via mechanisms independent of bone structure/shape. Further investigation of ω-9 as a therapeutic in osteoporosis is warranted.
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Affiliation(s)
- Mahmoud Omer
- Biionix Cluster, University of Central Florida, Orlando, FL 32827, USA
- Department of Mechanical and Aerospace Engineering, University of Central Florida, Orlando, FL 32816, USA
| | - Christopher Ngo
- Biionix Cluster, University of Central Florida, Orlando, FL 32827, USA
| | - Hessein Ali
- Department of Mechanical and Aerospace Engineering, University of Central Florida, Orlando, FL 32816, USA
| | - Nina Orlovskaya
- Department of Mechanical and Aerospace Engineering, University of Central Florida, Orlando, FL 32816, USA
| | - Vee San Cheong
- Insigneo Institute for In Silico Medicine, University of Sheffield, Sheffield S1 3JD, UK
| | | | | | - Austin Wynn
- College of Medicine, University of Central Florida, Orlando, FL 32827, USA
| | - Kari Martyniak
- Biionix Cluster, University of Central Florida, Orlando, FL 32827, USA
| | - Fei Wei
- Biionix Cluster, University of Central Florida, Orlando, FL 32827, USA
| | - Boyce E. Collins
- Engineering Research Center for Revolutionizing Biomaterials, North Carolina A&T State University, Greensboro, NC 27411, USA
| | - Sergey N. Yarmolenko
- Engineering Research Center for Revolutionizing Biomaterials, North Carolina A&T State University, Greensboro, NC 27411, USA
| | - Jackson Asiatico
- Department of Mechanical and Aerospace Engineering, University of Central Florida, Orlando, FL 32816, USA
| | - Michael Kinzel
- Department of Mechanical and Aerospace Engineering, University of Central Florida, Orlando, FL 32816, USA
| | - Ranajay Ghosh
- Department of Mechanical and Aerospace Engineering, University of Central Florida, Orlando, FL 32816, USA
| | - Teerin Meckmongkol
- Biionix Cluster, University of Central Florida, Orlando, FL 32827, USA
- Department of General Surgery, Nemours Children’s Hospital, Orlando, FL 32827, USA
| | - Ashley Calder
- College of Medicine, University of Central Florida, Orlando, FL 32827, USA
| | - Naima Dahir
- College of Medicine, University of Central Florida, Orlando, FL 32827, USA
| | | | - Jagannathan Sankar
- Engineering Research Center for Revolutionizing Biomaterials, North Carolina A&T State University, Greensboro, NC 27411, USA
| | - Melanie Coathup
- Biionix Cluster, University of Central Florida, Orlando, FL 32827, USA
- Correspondence: ; Tel.: +1-407-266-7184
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Salmon PL, Monzem S, Javaheri B, Oste L, Kerckhofs G, Pitsillides AA. Resolving trabecular metaphyseal bone profiles downstream of the growth plate adds value to bone histomorphometry in mouse models. Front Endocrinol (Lausanne) 2023; 14:1158099. [PMID: 37065740 PMCID: PMC10102859 DOI: 10.3389/fendo.2023.1158099] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 03/15/2023] [Indexed: 04/18/2023] Open
Abstract
INTRODUCTION Histomorphometry of rodent metaphyseal trabecular bone, by histology or microCT, is generally restricted to the mature secondary spongiosa, excluding the primary spongiosa nearest the growth plate by imposing an 'offset'. This analyses the bulk static properties of a defined segment of secondary spongiosa, usually regardless of proximity to the growth plate. Here we assess the value of trabecular morphometry that is spatially resolved according to the distance 'downstream' of-and thus time since formation at-the growth plate. Pursuant to this, we also investigate the validity of including mixed primary-secondary spongiosal trabecular bone, extending the analysed volume 'upstream' by reducing the offset. Both the addition of spatiotemporal resolution and the extension of the analysed volume have potential to enhance the sensitivity of detection of trabecular changes and to resolve changes occurring at different times and locations. METHOD Two experimental mouse studies of trabecular bone are used as examples of different factors influencing metaphyseal trabecular bone: (1) ovariectomy (OVX) and pharmacological prevention of osteopenia and (2) limb disuse induced by sciatic neurectomy (SN). In a third study into offset rescaling, we also examine the relationship between age, tibia length, and primary spongiosal thickness. RESULTS Bone changes induced by either OVX or SN that were early or weak and marginal were more pronounced in the mixed primary-secondary upstream spongiosal region than in the downstream secondary spongiosa. A spatially resolved evaluation of the entire trabecular region found that significant differences between experimental and control bones remained undiminished either right up to or to within 100 μm from the growth plate. Intriguingly, our data revealed a remarkably linear downstream profile for fractal dimension in trabecular bone, arguing for an underlying homogeneity of the (re)modelling process throughout the entire metaphysis and against strict anatomical categorization into primary and secondary spongiosal regions. Finally, we find that a correlation between tibia length and primary spongiosal depth is well conserved except in very early and late life. CONCLUSIONS These data indicate that the spatially resolved analysis of metaphyseal trabecular bone at different distances from the growth plate and/or times since formation adds a valuable dimension to histomorphometric analysis. They also question any rationale for rejecting primary spongiosal bone, in principle, from metaphyseal trabecular morphometry.
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Affiliation(s)
- P. L. Salmon
- Bruker Belgium (microCT), Preclinical Imaging, Kontich, Belgium
- *Correspondence: P. L. Salmon,
| | - S. Monzem
- Skeletal Biology Group, Comparative Biomedical Sciences, Royal Veterinary College, London, United Kingdom
| | - B. Javaheri
- Skeletal Biology Group, Comparative Biomedical Sciences, Royal Veterinary College, London, United Kingdom
| | - L. Oste
- Galapagos NV, Discovery DMPK, Mechelen, Belgium
| | - G. Kerckhofs
- Biomechanics Lab, Institute of Mechanics, Materials and Civil Engineering, Katholiek Universiteit van Leuven, Leuven, Belgium
| | - A. A. Pitsillides
- Skeletal Biology Group, Comparative Biomedical Sciences, Royal Veterinary College, London, United Kingdom
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Nebot E, Martínez R, Kapravelou G, Sánchez C, Llopis J, Aranda P, Porres JM, López-Jurado M, Pietschmann P. Combination of Caloric Restriction and a Mixed Training Protocol as an Effective Strategy to Counteract the Deleterious Effects in Trabecular Bone Microarchitecture Caused by a Diet-Induced Obesity in Sprague Dawley Rats. Nutrients 2022; 14:nu14183672. [PMID: 36145048 PMCID: PMC9504808 DOI: 10.3390/nu14183672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/16/2022] [Accepted: 08/19/2022] [Indexed: 11/16/2022] Open
Abstract
The association of obesity with changes in bone mass is not clear. Obese individuals tend to have an increased bone mineral density, but other studies have shown that obesity is a major risk factor for fractures. The mechanisms of bone response during a weight loss therapy as well as the possible osteoprotective effect of exercise should be analyzed. The aim of this study was to test the effects of a weight-loss program based on the combination of caloric restriction and/or a mixed training protocol on different parameters of bone morphology and functionality in a DIO rat model. Three stages were established over a 21-week period (obesity induction 0–12 w, weight loss intervention 12–15 w, weight maintenance intervention 15–21 w) in 88 male Sprague Dawley rats. Bone microarchitecture, total mineral and elemental composition, and bone metabolism parameters were assessed. Weight loss interventions were associated to healthy changes in body composition, decreasing body fat and increasing lean body mass. On the other hand, obesity was related to a higher content of bone resorption and inflammatory markers, which was decreased by the weight control interventions. Caloric restriction led to marked changes in trabecular microarchitecture, with a significant decrease in total volume but no changes in bone volume (BV). In addition, the intervention diet caused an increase in trabeculae number and a decrease in trabecular spacing. The training protocol increased the pore diameter and reversed the changes in cortical porosity and density of BV induced by the high protein diet at diaphysis level. Regarding the weight-maintenance stage, diminished SMI values indicate the presence of more plate-like spongiosa in sedentary and exercise groups. In conclusion, the lifestyle interventions of caloric restriction and mixed training protocol implemented as weight loss strategies have been effective to counteract some of the deleterious effects caused by a dietary induction of obesity, specifically in trabecular bone morphometric parameters as well as bone mineral content.
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Affiliation(s)
- Elena Nebot
- Department of Physiology, School of Medicine, Complutense University of Madrid, 28040 Madrid, Spain
| | - Rosario Martínez
- Department of Physiology, Institute of Nutrition and Food Technology (INyTA), Biomedical Research Center (CIBM), University of Granada, Avda del Conocimiento s/n, 18100 Armilla, Spain
| | - Garyfallia Kapravelou
- Department of Physiology, Institute of Nutrition and Food Technology (INyTA), Biomedical Research Center (CIBM), University of Granada, Avda del Conocimiento s/n, 18100 Armilla, Spain
| | - Cristina Sánchez
- Department of Physiology, Institute of Nutrition and Food Technology (INyTA), Biomedical Research Center (CIBM), University of Granada, Avda del Conocimiento s/n, 18100 Armilla, Spain
| | - Juan Llopis
- Department of Physiology, Institute of Nutrition and Food Technology (INyTA), Biomedical Research Center (CIBM), University of Granada, Avda del Conocimiento s/n, 18100 Armilla, Spain
| | - Pilar Aranda
- Department of Physiology, Institute of Nutrition and Food Technology (INyTA), Biomedical Research Center (CIBM), University of Granada, Avda del Conocimiento s/n, 18100 Armilla, Spain
| | - Jesús M. Porres
- Department of Physiology, Institute of Nutrition and Food Technology (INyTA), Biomedical Research Center (CIBM), University of Granada, Avda del Conocimiento s/n, 18100 Armilla, Spain
- Correspondence:
| | - María López-Jurado
- Department of Physiology, Institute of Nutrition and Food Technology (INyTA), Biomedical Research Center (CIBM), University of Granada, Avda del Conocimiento s/n, 18100 Armilla, Spain
| | - Peter Pietschmann
- Institute of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, 1090 Vienna, Austria
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Omer M, Ali H, Orlovskaya N, Ballesteros A, Cheong VS, Martyniak K, Wei F, Collins BE, Yarmolenko SN, Asiatico J, Kinzel M, Ngo C, Sankar J, Calder A, Gilbertson T, Meckmongkol T, Ghosh R, Coathup M. Omega-9 Modifies Viscoelasticity and Augments Bone Strength and Architecture in a High-Fat Diet-Fed Murine Model. Nutrients 2022; 14:nu14153165. [PMID: 35956341 PMCID: PMC9370223 DOI: 10.3390/nu14153165] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 07/25/2022] [Accepted: 07/28/2022] [Indexed: 02/04/2023] Open
Abstract
The influence of diet on the development of osteoporosis is significant and not fully understood. This study investigated the effect of diets of varying lipid profiles and ω-3, ω-6 and ω-9 composition on the structural and mechanical properties of bone. The hypothesis studied was that a diet high in saturated fat would induce osteoporosis and produce an overall increased detrimental bony response when compared with a diet high in unsaturated ω-6, or ω-9. Male C57BL/6J mice were fed either a control diet, 50:50 mix (saturated:unsaturated) high in ω-9 (HFD50:50), a diet high in saturated fat (HSF) or a polyunsaturated fat diet high in ω-6 (PUFA) over an 8-week duration. Tibiae were retrieved and evaluated using DMA, 3-point-bending, histomorphometry, and microCT. Mice fed a HSF diet displayed key features characteristic of osteoporosis. The loss tangent was significantly increased in the HFD50:50 diet group compared with control (p = 0.016) and PUFA-fed animals (p = 0.049). HFD50:50-fed mice presented with an increased viscous component, longer tibiae, increased loss modulus (p = 0.009), and ultimate stress, smaller microcracks (p < 0.001), and increased trabecular width (p = 0.002) compared with control animals. A diet high in ω-9 resulted in an overall superior bone response and further analysis of its role in bone health is warranted.
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Affiliation(s)
- Mahmoud Omer
- Department of Mechanical and Aerospace Engineering, University of Central Florida, Orlando, FL 32816, USA; (H.A.); (N.O.); (J.A.); (M.K.); (R.G.)
- Biionix Cluster, University of Central Florida, Orlando, FL 32827, USA; (A.B.); (K.M.); (F.W.); (C.N.); (T.M.); (M.C.)
- Correspondence:
| | - Hessein Ali
- Department of Mechanical and Aerospace Engineering, University of Central Florida, Orlando, FL 32816, USA; (H.A.); (N.O.); (J.A.); (M.K.); (R.G.)
| | - Nina Orlovskaya
- Department of Mechanical and Aerospace Engineering, University of Central Florida, Orlando, FL 32816, USA; (H.A.); (N.O.); (J.A.); (M.K.); (R.G.)
| | - Amelia Ballesteros
- Biionix Cluster, University of Central Florida, Orlando, FL 32827, USA; (A.B.); (K.M.); (F.W.); (C.N.); (T.M.); (M.C.)
- College of Medicine, University of Central Florida, Orlando, FL 32827, USA; (A.C.); (T.G.)
| | - Vee San Cheong
- Department of Automatic Control and Systems Engineering, Insigneo Institute for In Silico Medicine, University of Sheffield, Sheffield S1 3JD, UK;
| | - Kari Martyniak
- Biionix Cluster, University of Central Florida, Orlando, FL 32827, USA; (A.B.); (K.M.); (F.W.); (C.N.); (T.M.); (M.C.)
| | - Fei Wei
- Biionix Cluster, University of Central Florida, Orlando, FL 32827, USA; (A.B.); (K.M.); (F.W.); (C.N.); (T.M.); (M.C.)
| | - Boyce E. Collins
- Engineering Research Center for Revolutionizing Biomaterials, North Carolina A&T State University, Greensboro, NC 27411, USA; (B.E.C.); (S.N.Y.); (J.S.)
| | - Sergey N. Yarmolenko
- Engineering Research Center for Revolutionizing Biomaterials, North Carolina A&T State University, Greensboro, NC 27411, USA; (B.E.C.); (S.N.Y.); (J.S.)
| | - Jackson Asiatico
- Department of Mechanical and Aerospace Engineering, University of Central Florida, Orlando, FL 32816, USA; (H.A.); (N.O.); (J.A.); (M.K.); (R.G.)
| | - Michael Kinzel
- Department of Mechanical and Aerospace Engineering, University of Central Florida, Orlando, FL 32816, USA; (H.A.); (N.O.); (J.A.); (M.K.); (R.G.)
| | - Christopher Ngo
- Biionix Cluster, University of Central Florida, Orlando, FL 32827, USA; (A.B.); (K.M.); (F.W.); (C.N.); (T.M.); (M.C.)
- College of Medicine, University of Central Florida, Orlando, FL 32827, USA; (A.C.); (T.G.)
| | - Jagannathan Sankar
- Engineering Research Center for Revolutionizing Biomaterials, North Carolina A&T State University, Greensboro, NC 27411, USA; (B.E.C.); (S.N.Y.); (J.S.)
| | - Ashley Calder
- College of Medicine, University of Central Florida, Orlando, FL 32827, USA; (A.C.); (T.G.)
| | - Timothy Gilbertson
- College of Medicine, University of Central Florida, Orlando, FL 32827, USA; (A.C.); (T.G.)
| | - Teerin Meckmongkol
- Biionix Cluster, University of Central Florida, Orlando, FL 32827, USA; (A.B.); (K.M.); (F.W.); (C.N.); (T.M.); (M.C.)
- Department of General Surgery, Nemours Children’s Hospital, Orlando, FL 32827, USA
| | - Ranajay Ghosh
- Department of Mechanical and Aerospace Engineering, University of Central Florida, Orlando, FL 32816, USA; (H.A.); (N.O.); (J.A.); (M.K.); (R.G.)
| | - Melanie Coathup
- Biionix Cluster, University of Central Florida, Orlando, FL 32827, USA; (A.B.); (K.M.); (F.W.); (C.N.); (T.M.); (M.C.)
- College of Medicine, University of Central Florida, Orlando, FL 32827, USA; (A.C.); (T.G.)
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Kern C, Jamous R, El Khassawna T, Rohnke M. Characterisation of Sr 2+ mobility in osteoporotic rat bone marrow by cryo-ToF-SIMS and cryo-OrbiSIMS. Analyst 2022; 147:4141-4157. [DOI: 10.1039/d2an00913g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Mass spectrometric imaging approach for ex vivo monitoring of drug transport in bone sections. Cryo-ToF-SIMS depth profiling and high-resolution imaging as well as OrbiSIMS analysis revealed inhomogeneous Sr2+ transport in rat bone marrow.
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Affiliation(s)
- Christine Kern
- Institute of Physical Chemistry, Justus Liebig University Giessen, Heinrich-Buff-Ring 17, 35392 Giessen, Germany
| | - Reem Jamous
- Experimental Trauma Surgery, Faculty of Medicine, Justus Liebig University Giessen, Aulweg 128, 35392 Giessen, Germany
| | - Thaqif El Khassawna
- Experimental Trauma Surgery, Faculty of Medicine, Justus Liebig University Giessen, Aulweg 128, 35392 Giessen, Germany
| | - Marcus Rohnke
- Institute of Physical Chemistry, Justus Liebig University Giessen, Heinrich-Buff-Ring 17, 35392 Giessen, Germany
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Thanabalan A, Kiarie EG. Influence of Feeding Omega-3 Polyunsaturated Fatty Acids to Broiler Breeders on Indices of Immunocompetence, Gastrointestinal, and Skeletal Development in Broiler Chickens. Front Vet Sci 2021; 8:653152. [PMID: 34262961 PMCID: PMC8273488 DOI: 10.3389/fvets.2021.653152] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 06/01/2021] [Indexed: 01/24/2023] Open
Abstract
Modern broiler chickens are associated with rapid growth rates and superior feed efficiency. However, they are also susceptible to physiological and metabolic disorders (e.g., skin lesions, lameness, sudden death, enteric diseases, myopathies) that exert substantial economic losses to producers. This is further exacerbated by consumer pressure and mandated cessation of production practices such as indiscriminate use of antimicrobial growth promoters. Manipulation of broiler breeder (BB) nutrition and management can influence chick quality, robustness, and resilience to stressors in the production environment. The present review examines the role of feeding BB functional polyunsaturated omega-3 fatty acids (n-3 PUFA) and subsequent impact on the indices of immunocompetence, skeletal, and gastrointestinal (GIT) development in broiler chickens. Research in mammalian and avian models led evidence that perinatal feeding of long chain n-3 PUFA such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) engender transgenerational effects through regulation of a variety of biological processes including development of vital organs such as skeleton, brain and GIT. It is shown that feeding poultry breeders n-3 PUFA decreases inflammatory states and enriches hatching eggs with n-3 PUFA and immunoglobulins. Further evidence also shows that after 15 days of incubation, chicken embryos preferentially utilize long chain n-3 PUFA-critical for optimal cell, tissues, and organ development. Enrichment of n-3 PUFA in newly hatchling tissues reduce proinflammatory eicosanoids with consequences of enhanced bone mineralization. Dietary n-3 PUFA also modulates breeder GIT microbiota with consequences of microbial colonization and succession in chicks. As well, research shows that feeding poultry breeders n-3 PUFA bolsters progeny immunocompetence through enhanced passive immunity and antibody titres against routine vaccination. In conclusion, it appears that chicks may benefit from the incorporation of n-3 PUFA in the breeder diets; however, little attention is paid to fatty acids composition in breeder nutrition. We also highlight gaps in knowledge and future research perspectives.
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Affiliation(s)
| | - Elijah G Kiarie
- Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada
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8
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Romero-Márquez JM, Varela-López A, Navarro-Hortal MD, Badillo-Carrasco A, Forbes-Hernández TY, Giampieri F, Domínguez I, Madrigal L, Battino M, Quiles JL. Molecular Interactions between Dietary Lipids and Bone Tissue during Aging. Int J Mol Sci 2021; 22:ijms22126473. [PMID: 34204176 PMCID: PMC8233828 DOI: 10.3390/ijms22126473] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 06/09/2021] [Accepted: 06/11/2021] [Indexed: 01/06/2023] Open
Abstract
Age-related bone disorders such as osteoporosis or osteoarthritis are a major public health problem due to the functional disability for millions of people worldwide. Furthermore, fractures are associated with a higher degree of morbidity and mortality in the long term, which generates greater financial and health costs. As the world population becomes older, the incidence of this type of disease increases and this effect seems notably greater in those countries that present a more westernized lifestyle. Thus, increased efforts are directed toward reducing risks that need to focus not only on the prevention of bone diseases, but also on the treatment of persons already afflicted. Evidence is accumulating that dietary lipids play an important role in bone health which results relevant to develop effective interventions for prevent bone diseases or alterations, especially in the elderly segment of the population. This review focuses on evidence about the effects of dietary lipids on bone health and describes possible mechanisms to explain how lipids act on bone metabolism during aging. Little work, however, has been accomplished in humans, so this is a challenge for future research.
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Affiliation(s)
- Jose M. Romero-Márquez
- Department of Physiology, Institute of Nutrition and Food Technology ‘‘José Mataix”, Biomedical Research Centre, University of Granada, Armilla, Avda. del Conocimiento s.n., 18100 Armilla, Spain; (J.M.R.-M.); (A.V.-L.); (M.D.N.-H.); (A.B.-C.)
| | - Alfonso Varela-López
- Department of Physiology, Institute of Nutrition and Food Technology ‘‘José Mataix”, Biomedical Research Centre, University of Granada, Armilla, Avda. del Conocimiento s.n., 18100 Armilla, Spain; (J.M.R.-M.); (A.V.-L.); (M.D.N.-H.); (A.B.-C.)
| | - María D. Navarro-Hortal
- Department of Physiology, Institute of Nutrition and Food Technology ‘‘José Mataix”, Biomedical Research Centre, University of Granada, Armilla, Avda. del Conocimiento s.n., 18100 Armilla, Spain; (J.M.R.-M.); (A.V.-L.); (M.D.N.-H.); (A.B.-C.)
| | - Alberto Badillo-Carrasco
- Department of Physiology, Institute of Nutrition and Food Technology ‘‘José Mataix”, Biomedical Research Centre, University of Granada, Armilla, Avda. del Conocimiento s.n., 18100 Armilla, Spain; (J.M.R.-M.); (A.V.-L.); (M.D.N.-H.); (A.B.-C.)
| | - Tamara Y. Forbes-Hernández
- Nutrition and Food Science Group, Department of Analytical and Food Chemistry, CITACA, CACTI, University of Vigo, 36310 Vigo, Spain;
| | - Francesca Giampieri
- Department of Clinical Sicences, Università Politecnica delle Marche, 60131 Ancona, Italy; (F.G.); (M.B.)
- Department of Biochemistry, Faculty of Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Irma Domínguez
- Research Group on Foods, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, Isabel Torres 21, 39011 Santander, Spain;
- Universidad Internacional Iberoamericana, Calle 15 Num. 36, Entre 10 y 12 IMI III, Campeche 24560, Mexico;
| | - Lorena Madrigal
- Universidad Internacional Iberoamericana, Calle 15 Num. 36, Entre 10 y 12 IMI III, Campeche 24560, Mexico;
| | - Maurizio Battino
- Department of Clinical Sicences, Università Politecnica delle Marche, 60131 Ancona, Italy; (F.G.); (M.B.)
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang 212013, China
| | - José L. Quiles
- Department of Physiology, Institute of Nutrition and Food Technology ‘‘José Mataix”, Biomedical Research Centre, University of Granada, Armilla, Avda. del Conocimiento s.n., 18100 Armilla, Spain; (J.M.R.-M.); (A.V.-L.); (M.D.N.-H.); (A.B.-C.)
- Research Group on Foods, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, Isabel Torres 21, 39011 Santander, Spain;
- Correspondence:
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9
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Fallone CJ, Tessier AG, Field CJ, Yahya A. Resolving the omega-3 methyl resonance with long echo time magnetic resonance spectroscopy in mouse adipose tissue at 9.4 T. NMR IN BIOMEDICINE 2021; 34:e4455. [PMID: 33269481 DOI: 10.1002/nbm.4455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 10/27/2020] [Accepted: 11/11/2020] [Indexed: 06/12/2023]
Abstract
Tissue omega-3 (ω-3) content is biologically important to disease; however, its quantification with magnetic resonance spectroscopy in vivo is challenging due to its low concentration. In addition, the ω-3 methyl resonance (≈ 0.98 ppm) overlaps that of the non-ω-3 (≈ 0.90 ppm), even at 9.4 T. We demonstrate that a Point-RESolved Spectroscopy (PRESS) sequence with an echo time (TE) of 109 ms resolves the ω-3 and non-ω-3 methyl peaks at 9.4 T. Sequence efficacy was verified on five oils with differing ω-3 fat content; the ω-3 content obtained correlated with that measured using 16.5 T NMR (R2 = 0.97). The PRESS sequence was also applied to measure ω-3 content in visceral adipose tissue of three different groups (all n = 3) of mice, each of which were fed a different 20% w/w fat diet. The fat portion of the diet consisted of low (1.4%), medium (9.0%) or high (16.4%) ω-3 fat. The sequence was also applied to a control mouse fed a standard chow diet (5.6% w/w fat, which was 5.9% ω-3). Gas chromatography (GC) analysis of excised tissue was performed for each mouse. The ω-3 fat content obtained with the PRESS sequence correlated with the GC measures (R2 = 0.96). Apparent T2 times of methyl protons were assessed by obtaining spectra from the oils and another group of four mice (fed the high ω-3 diet) with TE values of 109 and 399 ms. Peak areas were fit to a mono-exponentially decaying function and the apparent T2 values of the ω-3 and non-ω-3 methyl protons were 906 ± 148 and 398 ± 78 ms, respectively, in the oils. In mice, the values were 410 ± 68 and 283 ± 57 ms for ω-3 and non-ω-3 fats, respectively.
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Affiliation(s)
- Clara J Fallone
- Department of Oncology, University of Alberta, Edmonton, Alberta, Canada
| | - Anthony G Tessier
- Department of Oncology, University of Alberta, Edmonton, Alberta, Canada
- Department of Medical Physics, Cross Cancer Institute, Edmonton, Alberta, Canada
| | - Catherine J Field
- Department of Agricultural, Food, and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada
| | - Atiyah Yahya
- Department of Oncology, University of Alberta, Edmonton, Alberta, Canada
- Department of Medical Physics, Cross Cancer Institute, Edmonton, Alberta, Canada
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10
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Skiba G, Raj S, Sobol M, Czauderna M, Kowalczyk P, Grela ER. Effects of Fish Oil and Dietary Antioxidant Supplementation on Bone Health of Growing Lambs. Animals (Basel) 2021; 11:ani11010230. [PMID: 33477694 PMCID: PMC7831944 DOI: 10.3390/ani11010230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 12/30/2020] [Accepted: 01/15/2021] [Indexed: 11/16/2022] Open
Abstract
Simple Summary The current study investigated the bone status of growing lambs fed diets supplemented with bioactive components (fish oil, carnosic acid, SeY, and Na2SeO3) improving bone parameters. The study provides new information with regards to the positive role of bioactive components supplemented to diets for growing lambs on their femur characteristics (bone content, bone mineral density, geometry, and strength). Abstract The aim of the present study was to assess the effects of partial replacement of rapeseed oil (RO) with fish oil (FO) combined with dietary supplementation of various antioxidants on the characteristics of lamb femur. Thirty male lambs were assigned to five dietary treatments and fed isoproteinous and isoenergetic diets for 35 days. The control diet was enriched with 3.0% RO, while the experimental diets were enriched either only with 2.0% RO and 1.0% FO or additionally with 0.1% carnosic acid, 0.1% carnosic acid and 0.35 ppm Se as selenized yeast, or 0.1% carnosic acid and 0.35 ppm Se as sodium selenite. After 35 days, the lambs were slaughtered, and the femur was dissected from the carcass of each animal and analyzed for morphometric, geometric, densitometric, and biomechanical properties. The dietary modifications, specifically the supplementation of FO and selenized yeast, significantly improved the geometric, densitometric, and biomechanical properties of lamb femur.
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Affiliation(s)
- Grzegorz Skiba
- Department of Animal Nutrition, Polish Academy of Sciences, The Kielanowski Institute of Animal Physiology and Nutrition, Instytucka 3, 05-110 Jabłonna, Poland; (S.R.); (M.S.); (M.C.); (P.K.)
- Correspondence:
| | - Stanisława Raj
- Department of Animal Nutrition, Polish Academy of Sciences, The Kielanowski Institute of Animal Physiology and Nutrition, Instytucka 3, 05-110 Jabłonna, Poland; (S.R.); (M.S.); (M.C.); (P.K.)
| | - Monika Sobol
- Department of Animal Nutrition, Polish Academy of Sciences, The Kielanowski Institute of Animal Physiology and Nutrition, Instytucka 3, 05-110 Jabłonna, Poland; (S.R.); (M.S.); (M.C.); (P.K.)
| | - Marian Czauderna
- Department of Animal Nutrition, Polish Academy of Sciences, The Kielanowski Institute of Animal Physiology and Nutrition, Instytucka 3, 05-110 Jabłonna, Poland; (S.R.); (M.S.); (M.C.); (P.K.)
| | - Paweł Kowalczyk
- Department of Animal Nutrition, Polish Academy of Sciences, The Kielanowski Institute of Animal Physiology and Nutrition, Instytucka 3, 05-110 Jabłonna, Poland; (S.R.); (M.S.); (M.C.); (P.K.)
| | - Eugeniusz R. Grela
- Institute of Animal Nutrition and Bromatology, University of Life Sciences in Lublin, Akademicka 13, 20-950 Lublin, Poland;
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11
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Anevska K, Mahizir D, Briffa JF, Jefferies AJ, Wark JD, Grills BL, Brady RD, McDonald SJ, Wlodek ME, Romano T. Treadmill Exercise before and during Pregnancy Improves Bone Deficits in Pregnant Growth Restricted Rats without the Exacerbated Effects of High Fat Diet. Nutrients 2019; 11:E1236. [PMID: 31151257 PMCID: PMC6627539 DOI: 10.3390/nu11061236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 05/28/2019] [Accepted: 05/29/2019] [Indexed: 11/19/2022] Open
Abstract
Growth restriction programs adult bone deficits and increases the risk of obesity, which may be exacerbated during pregnancy. We aimed to determine if high-fat feeding could exacerbate the bone deficits in pregnant growth restricted dams, and whether treadmill exercise would attenuate these deficits. Uteroplacental insufficiency was induced on embryonic day 18 (E18) in Wistar Kyoto (WKY) rats using bilateral uterine vessel ligation (restricted) or sham (control) surgery. The F1 females consumed a standard or high-fat (HFD) diet from 5 weeks, commenced treadmill exercise at 16 weeks, and they were mated at 20 weeks. Femora and plasma from the pregnant dams were collected at post-mortem (E20) for peripheral quantitative computed tomography (pQCT), mechanical testing, histomorphometry, and plasma analysis. Sedentary restricted females had bone deficits compared to the controls, irrespective of diet, where such deficits were prevented with exercise. Osteocalcin increased in the sedentary restricted females compared to the control females. In the sedentary HFD females, osteocalcin was reduced and CTX-1 was increased, with increased peak force and bending stress compared to the chow females. Exercise that was initiated before and continued during pregnancy prevented bone deficits in the dams born growth restricted, whereas a HFD consumption had minimal bone effects. These findings further highlight the beneficial effects of exercise for individuals at risk of bone deficits.
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Affiliation(s)
- Kristina Anevska
- Department of Physiology, Anatomy and Microbiology, LaTrobe University, Bundoora, VIC 3083, Australia.
- Department of Physiology, The University of Melbourne, Parkville, VIC 3010, Australia.
| | - Dayana Mahizir
- Department of Physiology, The University of Melbourne, Parkville, VIC 3010, Australia.
| | - Jessica F Briffa
- Department of Physiology, The University of Melbourne, Parkville, VIC 3010, Australia.
| | - Andrew J Jefferies
- Department of Physiology, The University of Melbourne, Parkville, VIC 3010, Australia.
| | - John D Wark
- Department of Medicine, The University of Melbourne, Parkville, VIC 3010, Australia.
- Bone and Mineral Medicine, Royal Melbourne Hospital, Parkville, VIC 3050, Australia.
| | - Brian L Grills
- Department of Physiology, Anatomy and Microbiology, LaTrobe University, Bundoora, VIC 3083, Australia.
| | - Rhys D Brady
- Department of Physiology, Anatomy and Microbiology, LaTrobe University, Bundoora, VIC 3083, Australia.
| | - Stuart J McDonald
- Department of Physiology, Anatomy and Microbiology, LaTrobe University, Bundoora, VIC 3083, Australia.
| | - Mary E Wlodek
- Department of Physiology, The University of Melbourne, Parkville, VIC 3010, Australia.
| | - Tania Romano
- Department of Physiology, Anatomy and Microbiology, LaTrobe University, Bundoora, VIC 3083, Australia.
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12
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Votava L, Schwartz AG, Harasymowicz NS, Wu CL, Guilak F. Effects of dietary fatty acid content on humeral cartilage and bone structure in a mouse model of diet-induced obesity. J Orthop Res 2019; 37:779-788. [PMID: 30644575 PMCID: PMC6662729 DOI: 10.1002/jor.24219] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 01/08/2019] [Indexed: 02/04/2023]
Abstract
Obesity is a primary risk factor for osteoarthritis (OA), and previous studies have shown that dietary content may play an important role in the pathogenesis of cartilage and bone in knee OA. Several previous studies have shown that the ratio of ω-3 polyunsaturated fatty acids (PUFAs), ω-6 PUFAs, and saturated fatty acids can significantly influence bone structure and OA progression. However, the influence of obesity or dietary fatty acid content on shoulder OA is not well understood. The goal of this study was to investigate the role of dietary fatty acid content on bone and cartilage structure in the mouse shoulder in a model of diet-induced obesity. For 24 weeks, mice were fed control or high-fat diets supplemented with ω-3 PUFAs, ω-6 PUFAs, or saturated fatty acids. The humeral heads were analyzed for bone morphometry and mineral density by microCT. Cartilage structure and joint synovitis were determined by histological grading, and microscale mechanical properties of the cartilage extracellular and pericellular matrices were quantified using atomic force microscopy. Diet-induced obesity significantly altered bone morphology and mineral density in a manner that was dependent on dietary free fatty acid content. In general, high-fat diet groups showed decreased bone quality, with the ω-3 diet being partially protective. Cartilage mechanical properties and OA scores showed no changes with obesity or diet. These findings are consistent with clinical literature showing little if any relationship between obesity and shoulder OA (unlike knee OA), but suggest that diet-induced obesity may influence other joint tissues. © 2019 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res.
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Affiliation(s)
- Lauren Votava
- Department of Orthopaedic Surgery, Washington University, Saint Louis, MO 63110,Shriners Hospitals for Children – St. Louis, St. Louis MO 63110,Department of Biomedical Engineering, Washington University, Saint Louis, MO 63110
| | - Andrea G. Schwartz
- Department of Orthopaedic Surgery, Washington University, Saint Louis, MO 63110,Shriners Hospitals for Children – St. Louis, St. Louis MO 63110
| | - Natalia S. Harasymowicz
- Department of Orthopaedic Surgery, Washington University, Saint Louis, MO 63110,Shriners Hospitals for Children – St. Louis, St. Louis MO 63110
| | - Chia-Lung Wu
- Department of Orthopaedic Surgery, Washington University, Saint Louis, MO 63110,Shriners Hospitals for Children – St. Louis, St. Louis MO 63110
| | - Farshid Guilak
- Department of Orthopaedic Surgery, Washington University, Saint Louis, MO 63110,Shriners Hospitals for Children – St. Louis, St. Louis MO 63110,Department of Biomedical Engineering, Washington University, Saint Louis, MO 63110
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13
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Abstract
The relationships between both dietary and empty body fatty acid composition and the morphometry, densitometry, geometry and biomechanical properties of the femur of growing pigs were analysed. A total of thirty-two pigs aged 115 d were divided into four groups (n 8 per group). The pigs were fed either a control diet (group C) or a diet supplemented with linseed oil (rich in α-linolenic acid (C18 : 3n-3), group L), fish oil (rich in EPA (C20 : 5n-3) and DHA (C22 : 6n-3), group F) and beef tallow (rich in SFA, group T). The diets differed in n-3 PUFA contents (0·63-18·52 g/kg) and n-6:n-3 PUFA ratios (0·91-14·51). At 165 d of age, the pigs were slaughtered and the fatty acids in the empty body were determined. Moreover, the left femur was dissected. The cortical wall thickness, cross-sectional area, cortical index, bone mineral content, bone mineral density, maximum elastic strength and maximum strength were lower (P<0·05) in the femurs of pigs from groups C and T than in those from groups F and L. Significant positive correlations were found between the densitometry, geometry and biomechanical properties of the femur and both dietary and empty body n-3 PUFA content, whereas significant negative correlations were observed between the same properties and both dietary and empty body n-6:n-3 PUFA ratio. The results of the present study suggest that in growing pigs α-linolenic acid has a similar positive effect on bone health to that of EPA and DHA.
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14
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Wee NKY, Enriquez RF, Nguyen AD, Horsnell H, Kulkarni R, Khor EC, Herzog H, Baldock PA. Diet-induced obesity suppresses cortical bone accrual by a neuropeptide Y-dependent mechanism. Int J Obes (Lond) 2018. [PMID: 29523877 DOI: 10.1038/s41366-018-0028-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
OBJECTIVE To determine whether age and neuropeptide Y (NPY) were involved in the skeletal response to extended periods of diet-induced obesity. METHODS Male wild-type (WT) and NPY null (NPYKO) mice were fed a mild (23% fat) high-fat diet for 10 weeks from 6 or 16 weeks of age. Metabolism and bone density were assessed during feeding. Skeletal changes were assessed by microCT and histomorphometry. RESULTS High-fat feeding in 6-week-old WT mice led to significantly increased body weight, adiposity and serum leptin levels, accompanied with markedly suppressed cortical bone accrual. NPYKO mice were less susceptible to fat accrual but, importantly, displayed a complete lack of suppression of bone accrual or cortical bone loss. In contrast, when skeletally mature (16 week old) mice underwent 10 weeks of fat feeding, the metabolic response to HFD was similar to younger mice, however bone mass was not affected in either WT or NPYKO. Thus, growing mice are particularly susceptible to the detrimental effects of HFD on bone mass, through suppression of bone accrual involving NPY signalling. CONCLUSION This study provides new insights into the relationship between the opposing processes of a positive weight/bone relationship and the negative 'metabolic' effect of obesity on bone mass. This negative effect is particularly active in growing skeletons, which have heightened sensitivity to changes in obesity. In addition, NPY is identified as a fundamental driver of this negative 'metabolic' pathway to bone.
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Affiliation(s)
- Natalie K Y Wee
- Osteoporosis and Bone Biology Division, Garvan Institute of Medical Research, 384 Victoria Street, Darlinghurst, Sydney, NSW, 2010, Australia
| | - Ronaldo F Enriquez
- Osteoporosis and Bone Biology Division, Garvan Institute of Medical Research, 384 Victoria Street, Darlinghurst, Sydney, NSW, 2010, Australia
| | - Amy D Nguyen
- Neuroscience Division, Garvan Institute of Medical Research, 384 Victoria Street, Darlinghurst, Sydney, NSW, 2010, Australia
| | - Harry Horsnell
- Osteoporosis and Bone Biology Division, Garvan Institute of Medical Research, 384 Victoria Street, Darlinghurst, Sydney, NSW, 2010, Australia
| | - Rishikesh Kulkarni
- Osteoporosis and Bone Biology Division, Garvan Institute of Medical Research, 384 Victoria Street, Darlinghurst, Sydney, NSW, 2010, Australia
| | - Ee Cheng Khor
- Osteoporosis and Bone Biology Division, Garvan Institute of Medical Research, 384 Victoria Street, Darlinghurst, Sydney, NSW, 2010, Australia
| | - Herbert Herzog
- Neuroscience Division, Garvan Institute of Medical Research, 384 Victoria Street, Darlinghurst, Sydney, NSW, 2010, Australia
| | - Paul A Baldock
- Osteoporosis and Bone Biology Division, Garvan Institute of Medical Research, 384 Victoria Street, Darlinghurst, Sydney, NSW, 2010, Australia.
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15
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Vaughan KL, Kaiser T, Peaden R, Anson RM, de Cabo R, Mattison JA. Caloric Restriction Study Design Limitations in Rodent and Nonhuman Primate Studies. J Gerontol A Biol Sci Med Sci 2017; 73:48-53. [PMID: 28977341 DOI: 10.1093/gerona/glx088] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Accepted: 05/05/2017] [Indexed: 11/14/2022] Open
Abstract
For a century, we have known that caloric restriction influences aging in many species. However, only recently it was firmly established that the effect is not entirely dependent on the calories provided. Instead, rodent and nonhuman primate models have shown that the rate of aging depends on other variables, including the macronutrient composition of the diet, the amount of time spent in the restricted state, age of onset, the gender and genetic background, and the particular feeding protocol for the control group. The field is further complicated when attempts are made to compare studies across different laboratories, which seemingly contradict each other. Here, we argue that some of the contradictory findings are most likely due to methodological differences. This review focuses on the four methodological differences identified in a recent comparative report from the National Institute on Aging and University of Wisconsin nonhuman primate studies, namely feeding regimen, diet composition, age of onset, and genetics. These factors, that may be influencing the effects of a calorie restriction intervention, are highlighted in the rodent model to draw parallels and elucidate findings reported in a higher species, nonhuman primates.
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Affiliation(s)
- Kelli L Vaughan
- Translational Gerontology Branch, National Institute on Aging, Dickerson, Maryland.,SoBran BioSciences, SoBran Inc., Burtonsville, Maryland
| | - Tamzin Kaiser
- Translational Gerontology Branch, National Institute on Aging, Dickerson, Maryland.,Translational Gerontology Branch, National Institute on Aging, Baltimore, Maryland
| | - Robert Peaden
- Translational Gerontology Branch, National Institute on Aging, Dickerson, Maryland.,Translational Gerontology Branch, National Institute on Aging, Baltimore, Maryland
| | - R Michael Anson
- Translational Gerontology Branch, National Institute on Aging, Dickerson, Maryland.,Translational Gerontology Branch, National Institute on Aging, Baltimore, Maryland
| | - Rafael de Cabo
- Translational Gerontology Branch, National Institute on Aging, Dickerson, Maryland.,Translational Gerontology Branch, National Institute on Aging, Baltimore, Maryland
| | - Julie A Mattison
- Translational Gerontology Branch, National Institute on Aging, Dickerson, Maryland
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16
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Ortinau LC, Linden MA, Dirkes R, Rector RS, Hinton PS. Obesity and type 2 diabetes, not a diet high in fat, sucrose, and cholesterol, negatively impacts bone outcomes in the hyperphagic Otsuka Long Evans Tokushima Fatty rat. Bone 2017; 105:200-211. [PMID: 28893629 DOI: 10.1016/j.bone.2017.09.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Revised: 07/14/2017] [Accepted: 09/08/2017] [Indexed: 12/15/2022]
Abstract
BACKGROUND Obesity and type 2 diabetes (T2D) increase fracture risk; however, the association between obesity/T2D may be confounded by consumption of a diet high in fat, sucrose, and cholesterol (HFSC). OBJECTIVE The study objective was to determine the main and interactive effects of obesity/T2D and a HFSC diet on bone outcomes using hyperphagic Otuska Long Evans Tokushima Fatty (OLETF) rats and normophagic Long Evans Tokushima Otsuka (LETO) controls. METHODS At 8weeks of age, male OLETF and LETO rats were randomized to either a control (CON, 10 en% from fat as soybean oil) or HFSC (45 en% from fat as soybean oil/lard, 17 en% sucrose, and 1wt%) diet, resulting in four treatment groups. At 32weeks, total body bone mineral content (BMC) and density (BMD) and body composition were measured by dual-energy X-ray absorptiometry, followed by euthanasia and collection of blood and tibiae. Bone turnover markers and sclerostin were measured using ELISA. Trabecular microarchitecture of the proximal tibia and geometry of the tibia mid-diaphysis were measured using microcomputed tomography; whole-bone and tissue-level biomechanical properties were evaluated using torsional loading of the tibia. Two-factor ANOVA was used to determine main and interactive effects of diet (CON vs. HFSC) and obesity/T2D (OLETF vs. LETO) on bone outcomes. RESULTS Hyperphagic OLEFT rats had greater final body mass, body fat, and fasting glucose than normophagic LETO, with no effect of diet. Total body BMC and serum markers of bone formation were decreased, and bone resorption and sclerostin were increased in obese/T2D OLETF rats. Trabecular bone volume and microarchitecture were adversely affected by obesity/T2D, but not diet. Whole-bone and tissue-level biomechanical properties of the tibia were not affected by obesity/T2D; the HFSC diet improved biomechanical properties only in LETO rats. CONCLUSIONS Obesity/T2D, regardless of diet, negatively impacted the balance between bone formation and resorption and trabecular bone volume and microarchitecture in OLETF rats.
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Affiliation(s)
- Laura C Ortinau
- Department of Nutrition and Exercise Physiology, University of Missouri, Columbia, MO, United States
| | - Melissa A Linden
- Department of Nutrition and Exercise Physiology, University of Missouri, Columbia, MO, United States; Research Service-Harry S Truman Memorial Veterans Medical Center, Columbia, MO, United States
| | - Rebecca Dirkes
- Department of Nutrition and Exercise Physiology, University of Missouri, Columbia, MO, United States
| | - R Scott Rector
- Department of Nutrition and Exercise Physiology, University of Missouri, Columbia, MO, United States; Department of Medicine, Gastroenterology and Hepatology, University of Missouri, Columbia, MO, United States; Research Service-Harry S Truman Memorial Veterans Medical Center, Columbia, MO, United States
| | - Pamela S Hinton
- Department of Nutrition and Exercise Physiology, University of Missouri, Columbia, MO, United States.
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17
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Gheibi S, Kashfi K, Ghasemi A. A practical guide for induction of type-2 diabetes in rat: Incorporating a high-fat diet and streptozotocin. Biomed Pharmacother 2017; 95:605-613. [PMID: 28881291 DOI: 10.1016/j.biopha.2017.08.098] [Citation(s) in RCA: 179] [Impact Index Per Article: 25.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Revised: 08/12/2017] [Accepted: 08/23/2017] [Indexed: 02/06/2023] Open
Abstract
Prevalence of diabetes, a serious public health problem is rapidly increasing worldwide. Type-2 diabetes is the common form of diabetes characterized by insulin resistance and abnormalities in insulin production. Despite the current development of therapeutic agents, there is no effective treatment without side effects; it is therefore necessary to find new prevention strategies and better treatments. For this purpose animal models of diabetes are appropriate tools, of which rodents due to the short generation time and economic considerations are the first choice. The aim of this review is to present features of a frequently used model of type-2 diabetes in rat, induced by a high fat diet and streptozotocin, taking into account its advantages/disadvantages and presenting a practical guide.
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Affiliation(s)
- Sevda Gheibi
- Endocrine Physiology Research Center, Research institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Neurophysiology Research Center and Department of Physiology, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Khosrow Kashfi
- Department of Molecular, Cellular and Biomedical Sciences, Sophie Davis School of Biomedical Education, City University of New York School of Medicine, New York, USA
| | - Asghar Ghasemi
- Endocrine Physiology Research Center, Research institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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18
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During A. Lipid determination in bone marrow and mineralized bone tissue: From sample preparation to improved high-performance thin-layer and liquid chromatographic approaches. J Chromatogr A 2017; 1515:232-244. [PMID: 28803650 DOI: 10.1016/j.chroma.2017.08.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2017] [Revised: 07/31/2017] [Accepted: 08/01/2017] [Indexed: 10/19/2022]
Abstract
In view of their key roles in the bone physiology (e.g., in the biomineralization process) and their potential implication in bone pathologies, an approach to study lipids in situ is needed. The aim of the present paper is to propose an original procedure to characterize lipids in both bone marrow (BM) and mineralized tissue (MT) compartments, taking into consideration sample preparation, lipid extraction and analytical issues, when using small sample size (≤ 0.5g of rat femurs). The potential contamination of the MT by marrow lipids and the poor accessibility of certain lipids from the MT - two major issues in bone handling - were taking care, respectively by performing two cleaning steps after BM removal and by adding a demineralization step to the overall lipid extraction protocol. For lipid analyses, a multi-one-dimensional HP-TLC method was developed to analyze the major neutral and polar lipids at once and showed an excellent resolution (for 15 standards) and a good precision (inter-day RSD<13%). When subjected to the entire "lipid extraction-HP-TLC" protocol, spike recoveries of the standards ranged between 76 and 122%. This HP-TLC method was suitable for lipid determination in both BM and MT [e.g., the MT had 5-times lesser lipids and a lower TG/phospholipid ratio than the BM (P <0.05)], and was quite reliable in term of lipid quantification. The demineralization step allowed to extract additional phosphatidylserine and esterified cholesterol from the MT, suggesting that these two species were associated to the mineralized matrix possibly in relation to their physiological role in the bone. Moreover, a reverse phase HPLC method for fatty acid determination as naphthacyl esters was set up to study fatty acids in bone samples and was used to validate the HP-TLC data. The fatty acid profile of the MT exhibited lower linoleic acid (18:2 n-6) and linolenic acid (18:3 n-3+n-6) levels and higher arachidonic acid (20:4 n-6) and docosahexaenoic acid (22:6 n-3) levels (P<0.05, compared to BM), suggesting that the MT is more metabolically active than the BM in term of long chain fatty acid production. In sum, the present work should contribute to facilitate future studies in the bone lipid field in view to understand better their implication in the marrow fat expansion-associated bone pathologies, such as osteoporosis.
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Affiliation(s)
- Alexandrine During
- Univ. Lille, EA449 - PMOI - Physiopathologie des maladies osseuses inflammatoires, F-59000 Lille, France.
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19
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Longo AB, Sullivan PJ, Peters SJ, LeBlanc PJ, Wohl GR, Ward WE. Lifelong intake of flaxseed or menhaden oil to provide varying n-6 to n-3 PUFA ratios modulate bone microarchitecture during growth, but not after OVX in Sprague-Dawley rats. Mol Nutr Food Res 2017; 61. [PMID: 28133904 DOI: 10.1002/mnfr.201600947] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Revised: 12/23/2016] [Accepted: 01/11/2017] [Indexed: 11/09/2022]
Abstract
SCOPE Skeletal health is a lifelong process impacted by environmental factors, including nutrient intake. The n-3 source and PUFA ratio affect bone health in growing rats, or following ovariectomy (OVX), but no study has investigated the longitudinal effect of PUFA-supplementation throughout these periods of bone development. METHODS AND RESULTS One-month-old, Sprague-Dawley rats (n = 98) were randomized to receive one of four diets from 1 through 6 months of age. Diets were modified from AIN-93G to contain a varying amount and source of n-3 (flaxseed versus menhaden oil) to provide an n-6 to n-3 ratio of 10:1 or 5:1. At 3 (prior to SHAM or OVX) and 6 months of age, bone microarchitecture of the tibia was quantified using in vivo micro-computed tomography (SkyScan 1176, Bruker microCT). Providing 5:1 (flaxseed) resulted in lower trabecular thickness and medullary area and greater cortical area fraction during growth compared to diets with a 10:1 PUFA ratio, but many of these differences were not apparent following OVX. CONCLUSION PUFA-supplementation at levels attainable in human diet modulates some bone structure outcomes during periods of growth, but is not an adequate strategy for the prevention of OVX-induced bone loss in rats.
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Affiliation(s)
- Amanda B Longo
- Department of Kinesiology, Faculty of Applied Health Sciences, Brock University, St. Catharines, Ont, Canada
| | - Philip J Sullivan
- Department of Kinesiology, Faculty of Applied Health Sciences, Brock University, St. Catharines, Ont, Canada
| | - Sandra J Peters
- Department of Kinesiology, Faculty of Applied Health Sciences, Brock University, St. Catharines, Ont, Canada
| | - Paul J LeBlanc
- Department of Health Sciences, Faculty of Applied Health Sciences, Brock University, St. Catharines, Ont, Canada
| | - Gregory R Wohl
- Department of Mechanical Engineering, Faculty of Engineering, McMaster University, Hamilton, Ont, Canada
| | - Wendy E Ward
- Department of Kinesiology, Faculty of Applied Health Sciences, Brock University, St. Catharines, Ont, Canada.,Department of Health Sciences, Faculty of Applied Health Sciences, Brock University, St. Catharines, Ont, Canada
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Abdulla NR, Loh TC, Akit H, Sazili AQ, Foo HL, Kareem KY, Mohamad R, Abdul Rahim R. Effects of dietary oil sources, calcium and phosphorus levels on growth performance, carcass characteristics and bone quality of broiler chickens. JOURNAL OF APPLIED ANIMAL RESEARCH 2016. [DOI: 10.1080/09712119.2016.1206903] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Nazim Rasul Abdulla
- Department of Animal Science, Faculty of Agriculture, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
- Department of Animal Resource, University of Salah al-Din, Erbil, Kurdistan Region, Iraq
| | - Teck Chwen Loh
- Department of Animal Science, Faculty of Agriculture, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
- Institute of Tropical Agriculture, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Henny Akit
- Department of Animal Science, Faculty of Agriculture, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Awis Qurni Sazili
- Department of Animal Science, Faculty of Agriculture, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
- Halal Products Research Institute, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Hooi Ling Foo
- Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Science, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Karwan Yaseen Kareem
- Department of Animal Science, Faculty of Agriculture, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
- Department of Animal Resource, University of Salah al-Din, Erbil, Kurdistan Region, Iraq
| | - Rosfarizan Mohamad
- Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Science, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Raha Abdul Rahim
- Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Science, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
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Miotto PM, Frendo-Cumbo S, Sacco SM, Wright DC, Ward WE, Holloway GP. Combined high-fat-resveratrol diet and RIP140 knockout mice reveal a novel relationship between elevated bone mitochondrial content and compromised bone microarchitecture, bone mineral mass, and bone strength in the tibia. Mol Nutr Food Res 2016; 60:1994-2007. [PMID: 27006200 DOI: 10.1002/mnfr.201500870] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Revised: 03/08/2016] [Accepted: 03/09/2016] [Indexed: 01/19/2023]
Abstract
SCOPE While resveratrol (RSV) is associated with the prevention of high-fat (HF) diet-induced insulin resistance, the effects on bone health combined with an HF-diet is unknown. Therefore, we determined the effect of RSV on bone microarchitecture in the presence of an HF-diet, while also elucidating molecular adaptations within bone that could contribute to bone health status. METHODS AND RESULTS Male C57BL6 mice were provided control (10% fat) or HF-diet (60% fat) in the presence or absence of RSV for 12 weeks. While RSV prevented HF diet-induced glucose intolerance, HF-RSV compromised tibial microarchitecture, mineral mass, and strength. The compromised outcomes following HF-RSV corresponded with higher markers of osteoclast-activation and bone-resorption (decreased OPG/RANKL ratio; increased cathepsin K), as well as higher markers of tibial mitochondrial content. A molecular model of elevated mitochondrial content (RIP140 knock out (KO) mice) was utilized to determine proof-of-principle that increasing mitochondrial content coincides with decrements in bone health. RIP140 KO mice displayed higher markers of mitochondrial content, and similar to HF-RSV, had compromised bone microarchitecture, lower BMD/strength, and higher markers of osteoclast-activation/bone-resorption. CONCLUSION These data show that in the presence of an HF-diet, RSV negatively alters bone health, a process associated with increased mitochondrial content and markers of bone resorption.
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Affiliation(s)
- Paula M Miotto
- Department of Human Health & Nutritional Sciences, University of Guelph, Guelph, Ontario, Canada.
| | - Scott Frendo-Cumbo
- Department of Human Health & Nutritional Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Sandra M Sacco
- Department of Kinesiology and Centre for Bone and Muscle Health, Brock University, Ontario, Canada
| | - David C Wright
- Department of Human Health & Nutritional Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Wendy E Ward
- Department of Kinesiology and Centre for Bone and Muscle Health, Brock University, Ontario, Canada
| | - Graham P Holloway
- Department of Human Health & Nutritional Sciences, University of Guelph, Guelph, Ontario, Canada
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22
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During A, Penel G, Hardouin P. Understanding the local actions of lipids in bone physiology. Prog Lipid Res 2015; 59:126-46. [PMID: 26118851 DOI: 10.1016/j.plipres.2015.06.002] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Revised: 06/12/2015] [Accepted: 06/18/2015] [Indexed: 12/19/2022]
Abstract
The adult skeleton is a metabolically active organ system that undergoes continuous remodeling to remove old and/or stressed bone (resorption) and replace it with new bone (formation) in order to maintain a constant bone mass and preserve bone strength from micro-damage accumulation. In that remodeling process, cellular balances--adipocytogenesis/osteoblastogenesis and osteoblastogenesis/osteoclastogenesis--are critical and tightly controlled by many factors, including lipids as discussed in the present review. Interest in the bone lipid area has increased as a result of in vivo evidences indicating a reciprocal relationship between bone mass and marrow adiposity. Lipids in bones are usually assumed to be present only in the bone marrow. However, the mineralized bone tissue itself also contains small amounts of lipids which might play an important role in bone physiology. Fatty acids, cholesterol, phospholipids and several endogenous metabolites (i.e., prostaglandins, oxysterols) have been purported to act on bone cell survival and functions, the bone mineralization process, and critical signaling pathways. Thus, they can be regarded as regulatory molecules important in bone health. Recently, several specific lipids derived from membrane phospholipids (i.e., sphingosine-1-phosphate, lysophosphatidic acid and different fatty acid amides) have emerged as important mediators in bone physiology and the number of such molecules will probably increase in the near future. The present paper reviews the current knowledge about: (1°) bone lipid composition in both bone marrow and mineralized tissue compartments, and (2°) local actions of lipids on bone physiology in relation to their metabolism. Understanding the roles of lipids in bone is essential to knowing how an imbalance in their signaling pathways might contribute to bone pathologies, such as osteoporosis.
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Affiliation(s)
- Alexandrine During
- Université Lille 2, Laboratoire de Physiopathologie des maladies osseuses inflammatoires (PMOI), EA4490, Faculté de Chirurgie dentaire, Lille, France.
| | - Guillaume Penel
- Université Lille 2, Laboratoire de Physiopathologie des maladies osseuses inflammatoires (PMOI), EA4490, Faculté de Chirurgie dentaire, Lille, France
| | - Pierre Hardouin
- Université Lille 2, Laboratoire de Physiopathologie des maladies osseuses inflammatoires (PMOI), EA4490, Faculté de Chirurgie dentaire, Lille, France; Université ULCO, Laboratoire de Physiopathologie des maladies osseuses inflammatoires (PMOI), EA4490, Boulogne-sur-Mer, France
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Miotto PM, Castelli LM, Amoye F, Ward WE, LeBlanc PJ. High saturated fat diet alters the lipid composition of triacylglycerol and polar lipids in the femur of dam and offspring rats. Lipids 2015; 50:605-10. [PMID: 25920746 DOI: 10.1007/s11745-015-4023-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2014] [Accepted: 04/13/2015] [Indexed: 11/28/2022]
Abstract
Previous work has shown that dietary lipids alter femur lipid composition. Specifically, we have shown that exposure to high saturated fatty acid (SFA) diets in utero, during suckling, or post-weaning alters femur total lipid composition, resulting in higher percent bone mass in males and females and bone mineral density (BMD) in female offspring with no effect on bone mineral outcomes in dams. Comparatively, high n-3 polyunsaturated fatty acid (PUFA) diets increase femur polar (PL) lipid n-3 content, which has been associated with increased bone mineral content and strength. However, the extent that PL or triacylglycerol (TAG) lipids change with high SFA diets is unknown. The current investigation examined the influence of a high SFA diet (20 % lard by weight) on femur PL and TAG lipid composition in 5-month old female Wistar rats (fed high SFA diet from age 28 days onwards; dams) and their 19-day old offspring (exposed to high SFA in utero and during suckling; pups). High SFA exposure resulted in increased monounsaturates and decreased n-3 and n-6 PUFA in the TAG fraction in both dams and pups, and higher SFA and n-6:n-3 ratio in dams only. The PL fraction showed decreased n-6 PUFA in both dams and pups. The magnitude of the diet-mediated responses, specifically TAG 18:1 and PL n-6 PUFA, may have contributed to the previously reported altered BMD, which was supported with correlation analysis. Future research should investigate the relationship of diet-induced changes in bone lipids on bone structure, as quantified through micro-computed tomography.
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Affiliation(s)
- Paula M Miotto
- Department of Health Sciences, Faculty of Applied Health Sciences, Centre for Bone and Muscle Health, Brock University, 500 Glenridge Ave., St., Catharines, ON, L2S 3A1, Canada
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24
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El-Sayed E, Ibrahim K. Effect of the types of dietary fats and non-dietary oils on bone metabolism. Crit Rev Food Sci Nutr 2015; 57:653-658. [DOI: 10.1080/10408398.2014.914889] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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25
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Fajardo VA, Bombardier E, Irvine T, Metherel AH, Stark KD, Duhamel T, Rush JWE, Green HJ, Tupling AR. Dietary docosahexaenoic acid supplementation reduces SERCA Ca2+ transport efficiency in rat skeletal muscle. Chem Phys Lipids 2015; 187:56-61. [PMID: 25772907 DOI: 10.1016/j.chemphyslip.2015.03.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Revised: 02/13/2015] [Accepted: 03/11/2015] [Indexed: 01/08/2023]
Abstract
Docosahexaenoic acid (DHA) can reduce the efficiency and increase the energy consumption of Na(+)/K(+)-ATPase pump and mitochondrial electron transport chain by promoting Na(+) and H(+) membrane permeability, respectively. In skeletal muscle, the sarco(endo) plasmic reticulum Ca(2+)-ATPase (SERCA) pumps are major contributors to resting metabolic rate. Whether DHA can affect SERCA efficiency remains unknown. Here, we examined the hypothesis that dietary supplementation with DHA would reduce Ca(2+) transport efficiency of the SERCA pumps in skeletal muscle. Total lipids were extracted from enriched sarcoplasmic reticulum (SR) membranes that were isolated from red vastus lateralis skeletal muscles of rats that were either fed a standard chow diet supplemented with soybean oil or supplemented with DHA for 8 weeks. The fatty acid composition of total SR membrane lipids and the major phospholipid species were determined using electrospray ionization mass spectrometry (ESI-MS). After 8 weeks of DHA supplementation, total SR DHA content was significantly elevated (control, 4.1 ± 1.0% vs. DHA, 9.9 ± 1.7%; weight percent of total fatty acids) while total arachidonic acid was reduced (control, 13.5 ± 0.4% vs. DHA-fed, 9.4 ± 0.2). Similar changes in these fatty acids were observed in phosphatidylcholine, phosphatidylethanolamine, and phosphatidylinositol, altogether indicating successful incorporation of DHA into the SR membranes post-diet. As hypothesized, DHA supplementation reduced SERCA Ca(2+) transport efficiency (control, 0.018 ± 0.0002 vs. DHA-fed, 0.014 ± 0.0009) possibly through enhanced SR Ca(2+) permeability (ionophore ratio: control, 2.8 ± 0.2 vs. DHA-fed, 2.2 ± 0.3). Collectively, our results suggest that DHA may promote skeletal muscle-based metabolism and thermogenesis through its influence on SERCA.
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Affiliation(s)
- Val Andrew Fajardo
- Department of Kinesiology, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
| | - Eric Bombardier
- Department of Kinesiology, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
| | - Thomas Irvine
- Department of Kinesiology, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
| | - Adam H Metherel
- Department of Kinesiology, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
| | - Ken D Stark
- Department of Kinesiology, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
| | - Todd Duhamel
- Health, Leisure, and Human Performance Research Institute, Faculty of Kinesiology and Recreation Management, University of Manitoba, Winnipeg, MB R3T 2N2 Canada; Institute of Cardiovascular Sciences, St. Boniface Hospital Research Centre, 351 Tache Avenue, Winnipeg MB R2H 2A6, Canada
| | - James W E Rush
- Department of Kinesiology, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
| | - Howard J Green
- Department of Kinesiology, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
| | - A Russell Tupling
- Department of Kinesiology, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada.
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Cardiolipin linoleic acid content and mitochondrial cytochrome c oxidase activity are associated in rat skeletal muscle. Chem Phys Lipids 2015; 187:50-5. [PMID: 25727371 DOI: 10.1016/j.chemphyslip.2015.02.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2014] [Revised: 01/25/2015] [Accepted: 02/25/2015] [Indexed: 11/23/2022]
Abstract
Cardiolipin (CL) is an inner-mitochondrial membrane phospholipid that is important for optimal mitochondrial function. Specifically, CL and CL linoleic (18:2ω6) content are known to be positively associated with cytochrome c oxidase (COX) activity. However, this association has not been examined in skeletal muscle. In this study, rats were fed high-fat diets with a naturally occurring gradient in linoleic acid (coconut oil [CO], 5.8%; flaxseed oil [FO], 13.2%; safflower oil [SO], 75.1%) in an attempt to alter both mitochondrial CL fatty acyl composition and COX activity in rat mixed hind-limb muscle. In general, mitochondrial membrane lipid composition was fairly resistant to dietary treatments as only modest changes in fatty acyl composition were detected in CL and other major mitochondrial phospholipids such as phosphatidylcholine (PC) and phosphatidylethanolamine (PE). As a result of this resistance, CL 18:2ω6 content was not different between the dietary groups. Consistent with the lack of changes in CL 18:2ω6 content, mitochondrial COX activity was also not different between the dietary groups. However, correlational analysis using data obtained from rats across the dietary groups showed a significant relationship (p = 0.009, R(2) = 0.21). Specifically, our results suggest that CL 18:2ω6 content may positively influence mitochondrial COX activity thereby making this lipid molecule a potential factor related to mitochondrial health and function in skeletal muscle.
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Paunescu AC, Ayotte P, Dewailly É, Dodin S. [Not Available]. Appl Physiol Nutr Metab 2014; 39:82-94. [PMID: 24383511 DOI: 10.1139/apnm-2013-0157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Several studies have reported that the status in omega-3 polyunsaturated fatty acid (PUFA) and the omega-3/omega-6 PUFA ratio are positively related to bone health. This study aimed at examining the relationship between the status of different PUFAs and bone strength expressed by the stiffness index (SI) among indigenous women in northern Canada and Greenland, whose diets are rich in PUFAs compared to those of non-Aboriginals. Our study includes 118 Inuit women from Nuuk (Greenland), 195 Inuit women from Nunavik (Canada), and 249 Cree women of from East James Bay (Canada). Projects in Nunavik and in the Cree communities had a cross-sectional design and the Greenland project, a longitudinal design. The content of some PUFAs phospholipids of erythrocyte membranes was measured after transmethylation by gas chromatography coupled with a flame ionization detector. Stiffness index was measured by ultrasound at the right calcaneus with a water-bath Achilles Lunar instrument (Greenland) or an Achilles Insight instrument (Nunavik, East James Bay). Relations between SI and various PUFAs were studied using multiple linear regression analyses. Eicosapentaenoic acid (EPA) was positively and significantly associated with SI (log), even after adjustment for several confounders and covariates in all three projects. A high EPA status, resulting mainly from the consumption of fatty fish or marine mammal fat, seems to have a positive effect on bone strength measured by ultrasonography among Aboriginal women from three different populations.
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Affiliation(s)
- A C Paunescu
- a Axe santé des populations et pratiques optimales en santé, Centre de recherche du CHU de Québec, 2875, boulevard Laurier, Édifice Delta 2 - Bureau 600, Québec, QC G1V 2M2, Canada
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Maternal high fat feeding does not have long-lasting effects on body composition and bone health in female and male Wistar rat offspring at young adulthood. Molecules 2013; 18:15094-109. [PMID: 24322493 PMCID: PMC6270313 DOI: 10.3390/molecules181215094] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2013] [Revised: 11/27/2013] [Accepted: 12/03/2013] [Indexed: 11/17/2022] Open
Abstract
High fat diets adversely affect body composition, bone mineral and strength, and alter bone fatty acid composition. It is unclear if maternal high fat (HF) feeding permanently alters offspring body composition and bone health. Female rats were fed control (CON) or HF diet for 10 weeks, bred, and continued their diets throughout pregnancy and lactation. Male and female offspring were studied at weaning and 3 months, following consumption of CON diet. At weaning, but not 3 months of age, male and female offspring from dams fed HF diet had lower lean mass and higher fat and bone mass, and higher femur bone mineral density (females only) than offspring of dams fed CON diet. Male and female offspring femurs from dams fed HF diet had higher monounsaturates and lower n6 polyunsaturates at weaning than offspring from dams fed CON diet, where females from dams fed HF diet had higher saturates and lower n6 polyunsaturates at 3 months of age. There were no differences in strength of femurs or lumbar vertebrae at 3 months of age in either male or female offspring. In conclusion, maternal HF feeding did not permanently affect body composition and bone health at young adulthood in offspring.
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Investigating the role of polyunsaturated fatty acids in bone development using animal models. Molecules 2013; 18:14203-27. [PMID: 24248147 PMCID: PMC6270577 DOI: 10.3390/molecules181114203] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2013] [Revised: 11/07/2013] [Accepted: 11/08/2013] [Indexed: 12/13/2022] Open
Abstract
Incorporating n-3 polyunsaturated fatty acids (PUFA) in the diet may promote the development of a healthy skeleton and thereby reduce the risk of developing osteoporosis in later life. Studies using developing animal models suggest lowering dietary n-6 PUFA and increasing n-3 PUFA intakes, especially long chain n-3 PUFA, may be beneficial for achieving higher bone mineral content, density and stronger bones. To date, the evidence regarding the effects of α-linolenic acid (ALA) remain equivocal, in contrast to evidence from the longer chain products, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). This review reports the results of investigations into n-3 PUFA supplementation on bone fatty acid composition, strength and mineral content in developing animal models as well as the mechanistic relationships of PUFA and bone, and identifies critical areas for future research. Overall, this review supports a probable role for essential (ALA) and long chain (EPA and DHA) n-3 PUFA for bone health. Understanding the role of PUFA in optimizing bone health may lead to dietary strategies that promote bone development and maintenance of a healthy skeleton.
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Zhou Y, Jiang S, Chen J, Wang T, Jiang D, Chen H, Yu H. 32k Da protein improve ovariectomy-induced bone loss in rats. Prion 2013; 7:335-40. [PMID: 23924638 DOI: 10.4161/pri.26020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
The objective of the present study was to systematically explore the effects of 32K Da protein (32KP) on postmenopausal osteoporosis. Eighty 3-mo-old female Sprague-Dawley rats were employed and randomly divided into one sham-operated group (SHAM) and five ovariectomy (OVX) subgroups as OVX (control), OVX with 17-ethinylestradiol (E2, 25 g/kg/day), OVX with 32KP of graded doses (50, 50, or 150 mg/kg/day). 32KP or E2 diet was fed on week 4 after operation, for 16 weeks. Bone mass, bone turnover and strength were evaluated by dual-energy X-ray absorptiometry (DEXA), biochemical markers and three-point bending test, respectively. Femur marrow cavity was observed by light microscopy via hematoxylin-eosin staining. It is observed that different dosage treatment of 32KP increased the body weight and prevented the loss of bone mass induced by OVX. The prevention effect against bone loss was presumably due to the altering of the rate of bone remodeling. The bone mineral density and bone calcium content in OVX rats were lower than that in the control group, suggesting that 32KP was able to prevent significant bone loss. In addition, the data from three point bending test and femur sections showed that 32KP treatment enhanced bone strength and reduced the marrow cavity of the femur in OVX rats. In the serum and urine assay, 32KP decreased urinary deoxypyridinoline and calcium concentrations; however, serum alkaline phosphatase activities were not inhibited. It suggested that amelioration of bone loss was changed via inhibition of bone reabsorption. Our findings indicated that 32KP might be a potential alternative drug for the prevention and treatment of postmenopausal osteoporosis.
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Affiliation(s)
- Yingtang Zhou
- Systems Biomedical Key Laboratory of JiangXi Province; Jiujiang, PR China; Hangzhou Yishan Biotechnology Co., Ltd; Zhejiang Proveince, Hangzhou, PR China
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Paunescu AC, Ayotte P, Dewailly É, Dodin S, Pedersen HS, Mulvad G, Côté S. Polyunsaturated fatty acids and calcaneal ultrasound parameters among Inuit women from Nuuk (Greenland): a longitudinal study. Int J Circumpolar Health 2013; 72:20988. [PMID: 23750339 PMCID: PMC3675267 DOI: 10.3402/ijch.v72i0.20988] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2013] [Revised: 05/07/2013] [Accepted: 05/10/2013] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND The traditional diet of Inuit people comprises large amounts of fish and marine mammals that are rich in omega-3 polyunsaturated fatty acids (PUFAs). Results from in vitro studies, laboratory animal experiments and population studies suggest that omega-3 PUFA intake and a high omega-3/omega-6 ratio exert a positive effect on bone health. OBJECTIVE This longitudinal study was conducted to examine the relationship between omega-3 and omega-6 PUFA status and quantitative ultrasound (QUS) parameters in Greenlandic Inuit women. METHODS The study included 118 Inuit women from Nuuk (Greenland), aged 49-64 years, whose QUS parameters measured at baseline (year 2000), along with PUFA status and covariates, and follow-up QUS measurements 2 years later (year 2002). QUS parameters [speed of sound (SOS); broadband ultrasound attenuation (BUA)] were measured at the right calcaneus with a water-bath Lunar Achilles instrument. Omega-3 and omega-6 PUFA contents of erythrocyte membrane phospholipids were measured after transmethylation by gas chromatography coupled with a flame ionization detector. Relationships between QUS parameters and different PUFAs were studied in multiple linear regression models. RESULTS Increasing values of EPA, DHA and the omega-3/omega-6 PUFA ratio were associated with increased BUA values measured at follow-up (year 2002). These associations were still present in models adjusted for several confounders and covariates. We found little evidence of associations between PUFAs and SOS values. CONCLUSION The omega-3 PUFA intake from marine food consumption seems to have a positive effect on bone intrinsic quality and strength, as revealed by higher BUA values in this group of Greenlandic Inuit women.
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Affiliation(s)
| | - Pierre Ayotte
- Axe santé publique et pratiques optimales en santé, Centre de Recherche du CHU de Québec, Québec, Canada
- Laboratoire de toxicologie, Institut national de santé publique du Québec, Québec, Canada
| | - Éric Dewailly
- Axe santé publique et pratiques optimales en santé, Centre de Recherche du CHU de Québec, Québec, Canada
| | - Sylvie Dodin
- Axe santé publique et pratiques optimales en santé, Centre de Recherche du CHU de Québec, Québec, Canada
| | | | - Gert Mulvad
- Center of Primary Health Care, Queen Ingrid's Hospital, Nuuk, Greenland
- Greenland Center for Health Research, University of Greenland, Nuuk, Greenland
| | - Suzanne Côté
- Axe santé publique et pratiques optimales en santé, Centre de Recherche du CHU de Québec, Québec, Canada
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High Folic Acid Intake during Pregnancy Lowers Body Weight and Reduces Femoral Area and Strength in Female Rat Offspring. J Osteoporos 2013; 2013:154109. [PMID: 23781391 PMCID: PMC3678445 DOI: 10.1155/2013/154109] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2013] [Accepted: 04/29/2013] [Indexed: 01/28/2023] Open
Abstract
Rats fed gestational diets high in multivitamin or folate produce offspring of altered phenotypes. We hypothesized that female rat offspring born to dams fed a gestational diet high in folic acid (HFol) have compromised bone health and that feeding the offspring the same HFol diet attenuates these effects. Pregnant rats were fed diets with either recommended folic acid (RFol) or 10-fold higher folic acid (HFol) amounts. Female offspring were weaned to either the RFol or HFol diet for 17 weeks. HFol maternal diet resulted in lower offspring body weights (6%, P = 0.03) and, after adjusting for body weight and femoral length, smaller femoral area (2%, P = 0.03), compared to control diet. After adjustments, HFol pup diet resulted in lower mineral content (7%, P = 0.01) and density (4%, P = 0.002) of lumbar vertebra 4 without differences in strength. An interaction between folate content of the dam and pup diets revealed that a mismatch resulted in lower femoral peak load strength (P = 0.01) and stiffness (P = 0.002). However, the match in folate content failed to prevent lower weight gain. In conclusion, HFol diets fed to rat dams and their offspring affect area and strength of femurs and mineral quantity but not strength of lumbar vertebrae in the offspring.
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Implications of dietary α-linolenic acid in bone health. Nutrition 2011; 27:1101-7. [DOI: 10.1016/j.nut.2011.05.012] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2011] [Revised: 05/17/2011] [Accepted: 05/17/2011] [Indexed: 11/24/2022]
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Lukas R, Gigliotti JC, Smith BJ, Altman S, Tou JC. Consumption of different sources of omega-3 polyunsaturated fatty acids by growing female rats affects long bone mass and microarchitecture. Bone 2011; 49:455-62. [PMID: 21672645 DOI: 10.1016/j.bone.2011.05.029] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2011] [Revised: 05/24/2011] [Accepted: 05/26/2011] [Indexed: 11/26/2022]
Abstract
Omega-3 polyunsaturated fatty acids (ω-3 PUFAs) consumption has been reported to improve bone health. However, sources of ω-3 PUFAs differ in the type of fatty acids and structural form. The study objective was to determine the effect of various ω-3 PUFAs sources on bone during growth. Young (age 28d) female Sprague-Dawley rats were randomly assigned (n=10/group) to a high fat 12% (wt) diet consisting of either corn oil (CO) or ω-3 PUFA rich, flaxseed (FO), krill (KO), menhaden (MO), salmon (SO) or tuna (TO) for 8 weeks. Bone mass was assessed by dual-energy X-ray absorptiometry (DXA) and bone microarchitecture by micro-computed tomography (μCT). Bone turnover markers were measured by enzyme immunoassay. Lipid peroxidation was measured by calorimetric assays. Results showed that rats fed TO, rich in docosahexaenoic acid (DHA, 22:6ω-3) had higher (P<0.009) tibial bone mineral density (BMD) and bone mineral content (BMC) and lower (P=0.05) lipid peroxidation compared to the CO-fed rats. Reduced lipid peroxidation was associated with increased tibial BMD (r2=0.08, P=0.02) and BMC (r2=0.71, P=0.01). On the other hand, rats fed FO or MO, rich in alpha-linolenic acid (ALA, 18:3ω-3), improved bone microarchitecture compared to rats fed CO or SO. Serum osteocalcin was higher (P=0.03) in rats fed FO compared to rats fed SO. Serum osteocalcin was associated with improved trabecular bone microarchitecture. The animal study results suggest consuming a variety of ω-3 PUFA sources to promote bone health during the growth stage.
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Affiliation(s)
- Robin Lukas
- Human Nutrition and Foods, Division of Animal and Nutritional Sciences, West Virginia University, Morgantown, WV 26506, USA
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