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Cholewińska E, Sołek P, Juśkiewicz J, Fotschki B, Dworzański W, Ognik K. Chromium nanoparticles improve bone turnover regulation in rats fed a high-fat, low-fibre diet. PLoS One 2024; 19:e0300292. [PMID: 38718051 PMCID: PMC11078379 DOI: 10.1371/journal.pone.0300292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 02/24/2024] [Indexed: 05/12/2024] Open
Abstract
The aim of the study was to investigate the effect of returning to a balanced diet combined with chromium picolinate (CrPic) or chromium nanoparticles (CrNPs) supplementation at a pharmacologically relevant dose of 0.3 mg/kg body weight on the expression level of selected genes and bone turnover markers in the blood and bones of rats fed an obese diet. The results of the study showed that chronic intake of a high-fat obesogenic diet negatively affects bone turnover by impairing processes of both synthesis and degradation of bones. The switch to a healthy diet proved insufficient to regulate bone metabolism disorders induced by an obesogenic diet, even when it was supplemented with chromium, irrespective of its form. Supplementation with CrPic with no change in diet stimulated bone metabolism only at the molecular level, towards increased osteoclastogenesis (bone resorption). In contrast, CrNPs added to the high-fat diet effectively regulated bone turnover by increasing both osteoblastogenesis and osteoclastogenesis, with these changes directed more towards bone formation. The results of the study suggest that unfavourable changes in bone metabolism induced by chronic intake of a high-fat diet can be mitigated by supplementation with CrNPs, whereas a change in eating habits fails to achieve a similar effect.
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Affiliation(s)
- Ewelina Cholewińska
- Faculty of Animal Sciences and Bioeconomy, Department of Biochemistry and Toxicology, University of Life Sciences in Lublin, Lublin, Poland
| | - Przemysław Sołek
- Faculty of Animal Sciences and Bioeconomy, Department of Biochemistry and Toxicology, University of Life Sciences in Lublin, Lublin, Poland
| | - Jerzy Juśkiewicz
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
| | - Bartosz Fotschki
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
| | - Wojciech Dworzański
- Chair and Department of Human Anatomy, Medical University of Lublin, Lublin, Poland
| | - Katarzyna Ognik
- Faculty of Animal Sciences and Bioeconomy, Department of Biochemistry and Toxicology, University of Life Sciences in Lublin, Lublin, Poland
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Beck J, Ren L, Huang S, Berger E, Bardales K, Mannheimer J, Mazcko C, LeBlanc A. Canine and murine models of osteosarcoma. Vet Pathol 2022; 59:399-414. [PMID: 35341404 PMCID: PMC9290378 DOI: 10.1177/03009858221083038] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Osteosarcoma (OS) is the most common malignant bone tumor in children. Despite efforts to develop and implement new therapies, patient outcomes have not measurably improved since the 1980s. Metastasis continues to be the main source of patient mortality, with 30% of cases developing metastatic disease within 5 years of diagnosis. Research models are critical in the advancement of cancer research and include a variety of species. For example, xenograft and patient-derived xenograft (PDX) mouse models provide opportunities to study human tumor cells in vivo while transgenic models have offered significant insight into the molecular mechanisms underlying OS development. A growing recognition of naturally occurring cancers in companion species has led to new insights into how veterinary patients can contribute to studies of cancer biology and drug development. The study of canine cases, including the use of diagnostic tissue archives and clinical trials, offers a potential mechanism to further canine and human cancer research. Advancement in the field of OS research requires continued development and appropriate use of animal models. In this review, animal models of OS are described with a focus on the mouse and tumor-bearing pet dog as parallel and complementary models of human OS.
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Affiliation(s)
| | - Ling Ren
- National Cancer Institute, Bethesda, MD
| | | | | | - Kathleen Bardales
- National Cancer Institute, Bethesda, MD
- University of Pennsylvania, Philadelphia, PA
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Nance RL, Cooper SJ, Starenki D, Wang X, Matz B, Lindley S, Smith AN, Smith AA, Bergman N, Sandey M, Koehler J, Agarwal P, Smith BF. Transcriptomic Analysis of Canine Osteosarcoma from a Precision Medicine Perspective Reveals Limitations of Differential Gene Expression Studies. Genes (Basel) 2022; 13:genes13040680. [PMID: 35456486 PMCID: PMC9031617 DOI: 10.3390/genes13040680] [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: 02/02/2022] [Revised: 04/01/2022] [Accepted: 04/11/2022] [Indexed: 11/18/2022] Open
Abstract
Despite significant advances in cancer diagnosis and treatment, osteosarcoma (OSA), an aggressive primary bone tumor, has eluded attempts at improving patient survival for many decades. The difficulty in managing OSA lies in its extreme genetic complexity, drug resistance, and heterogeneity, making it improbable that a single-target treatment would be beneficial for the majority of affected individuals. Precision medicine seeks to fill this gap by addressing the intra- and inter-tumoral heterogeneity to improve patient outcome and survival. The characterization of differentially expressed genes (DEGs) unique to the tumor provides insight into the phenotype and can be useful for informing appropriate therapies as well as the development of novel treatments. Traditional DEG analysis combines patient data to derive statistically inferred genes that are dysregulated in the group; however, the results from this approach are not necessarily consistent across individual patients, thus contradicting the basis of precision medicine. Spontaneously occurring OSA in the dog shares remarkably similar clinical, histological, and molecular characteristics to the human disease and therefore serves as an excellent model. In this study, we use transcriptomic sequencing of RNA isolated from primary OSA tumor and patient-matched normal bone from seven dogs prior to chemotherapy to identify DEGs in the group. We then evaluate the universality of these changes in transcript levels across patients to identify DEGs at the individual level. These results can be useful for reframing our perspective of transcriptomic analysis from a precision medicine perspective by identifying variations in DEGs among individuals.
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Affiliation(s)
- Rebecca L. Nance
- Scott-Ritchey Research Center, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (R.L.N.); (X.W.); (P.A.)
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (M.S.); (J.K.)
| | - Sara J. Cooper
- HudsonAlpha Institute for Biotechnology, Huntsville, AL 35806, USA; (S.J.C.); (D.S.)
| | - Dmytro Starenki
- HudsonAlpha Institute for Biotechnology, Huntsville, AL 35806, USA; (S.J.C.); (D.S.)
| | - Xu Wang
- Scott-Ritchey Research Center, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (R.L.N.); (X.W.); (P.A.)
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (M.S.); (J.K.)
- HudsonAlpha Institute for Biotechnology, Huntsville, AL 35806, USA; (S.J.C.); (D.S.)
- Center for Advanced Science, Innovation, and Commerce, Alabama Agricultural Experiment Station, Auburn, AL 36849, USA
| | - Brad Matz
- Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (B.M.); (S.L.); (A.N.S.); (A.A.S.); (N.B.)
| | - Stephanie Lindley
- Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (B.M.); (S.L.); (A.N.S.); (A.A.S.); (N.B.)
| | - Annette N. Smith
- Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (B.M.); (S.L.); (A.N.S.); (A.A.S.); (N.B.)
| | - Ashley A. Smith
- Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (B.M.); (S.L.); (A.N.S.); (A.A.S.); (N.B.)
| | - Noelle Bergman
- Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (B.M.); (S.L.); (A.N.S.); (A.A.S.); (N.B.)
| | - Maninder Sandey
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (M.S.); (J.K.)
| | - Jey Koehler
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (M.S.); (J.K.)
| | - Payal Agarwal
- Scott-Ritchey Research Center, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (R.L.N.); (X.W.); (P.A.)
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (M.S.); (J.K.)
| | - Bruce F. Smith
- Scott-Ritchey Research Center, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (R.L.N.); (X.W.); (P.A.)
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (M.S.); (J.K.)
- Correspondence: ; Tel.: +1-334-844-5587
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Poutoglidou F, Saitis A, Pourzitaki C, Kouvelas D. An Improved Method for Isolating High-Quality RNA From Rat Bone at Room Temperature Without the Need for Specialized Equipment. Cureus 2021; 13:e13806. [PMID: 33842176 PMCID: PMC8027952 DOI: 10.7759/cureus.13806] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Research on bone diseases often requires investigation of bone gene expression. Isolating high-quality RNA is essential to obtain reliable and accurate gene expression data. In an effort to analyze the expression of genes related to osteoporosis in rat bones, we developed an improved method for extraction of high-quality RNA without the need for liquid nitrogen or specialized equipment. This method involved transitioning frozen bone tissues to a more pliable state with RNAlater ice and pulverization of the samples with a simple homogenizer, followed by a phenol-chloroform-based RNA extraction. Spectrophotometric analysis indicated high purity of the isolated RNA. Electrophoresis on agarose gel revealed two well-defined ribosomal RNA bands. Herein, we present a method that consistently yields RNA of high purity and integrity from rat bone.
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Affiliation(s)
- Frideriki Poutoglidou
- Clinical Pharmacology, Faculty of Medicine, School of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, GRC
| | - Athanasios Saitis
- Clinical Pharmacology, Faculty of Medicine, School of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, GRC
| | - Chryssa Pourzitaki
- Clinical Pharmacology, Faculty of Medicine, School of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, GRC
| | - Dimitrios Kouvelas
- Clinical Pharmacology, Faculty of Medicine, School of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, GRC
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