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Koh NYY, Miszkiewicz JJ, Fac ML, Wee NKY, Sims NA. Preclinical Rodent Models for Human Bone Disease, Including a Focus on Cortical Bone. Endocr Rev 2024; 45:493-520. [PMID: 38315213 PMCID: PMC11244217 DOI: 10.1210/endrev/bnae004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 11/22/2023] [Accepted: 02/02/2024] [Indexed: 02/07/2024]
Abstract
Preclinical models (typically ovariectomized rats and genetically altered mice) have underpinned much of what we know about skeletal biology. They have been pivotal for developing therapies for osteoporosis and monogenic skeletal conditions, including osteogenesis imperfecta, achondroplasia, hypophosphatasia, and craniodysplasias. Further therapeutic advances, particularly to improve cortical strength, require improved understanding and more rigorous use and reporting. We describe here how trabecular and cortical bone structure develop, are maintained, and degenerate with aging in mice, rats, and humans, and how cortical bone structure is changed in some preclinical models of endocrine conditions (eg, postmenopausal osteoporosis, chronic kidney disease, hyperparathyroidism, diabetes). We provide examples of preclinical models used to identify and test current therapies for osteoporosis, and discuss common concerns raised when comparing rodent preclinical models to the human skeleton. We focus especially on cortical bone, because it differs between small and larger mammals in its organizational structure. We discuss mechanisms common to mouse and human controlling cortical bone strength and structure, including recent examples revealing genetic contributors to cortical porosity and osteocyte network configurations during growth, maturity, and aging. We conclude with guidelines for clear reporting on mouse models with a goal for better consistency in the use and interpretation of these models.
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Affiliation(s)
- Natalie Y Y Koh
- Bone Cell Biology & Disease Unit, St. Vincent's Institute of Medical Research, Fitzroy, VIC 3065, Australia
- Department of Medicine at St. Vincent's Hospital, The University of Melbourne, Fitzroy, VIC 3065, Australia
| | - Justyna J Miszkiewicz
- School of Social Science, The University of Queensland, Brisbane, QLD 4072, Australia
- Vertebrate Evolution Development and Ecology, Naturalis Biodiversity Center, 2333 CR Leiden, The Netherlands
| | - Mary Louise Fac
- Bone Cell Biology & Disease Unit, St. Vincent's Institute of Medical Research, Fitzroy, VIC 3065, Australia
- Department of Medicine at St. Vincent's Hospital, The University of Melbourne, Fitzroy, VIC 3065, Australia
| | - Natalie K Y Wee
- Bone Cell Biology & Disease Unit, St. Vincent's Institute of Medical Research, Fitzroy, VIC 3065, Australia
- Department of Medicine at St. Vincent's Hospital, The University of Melbourne, Fitzroy, VIC 3065, Australia
| | - Natalie A Sims
- Bone Cell Biology & Disease Unit, St. Vincent's Institute of Medical Research, Fitzroy, VIC 3065, Australia
- Department of Medicine at St. Vincent's Hospital, The University of Melbourne, Fitzroy, VIC 3065, Australia
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Biswas N, Bahr A, Howard J, Bonin JL, Grazda R, MacNamara KC. Survivors of polymicrobial sepsis are refractory to G-CSF-induced emergency myelopoiesis and hematopoietic stem and progenitor cell mobilization. Stem Cell Reports 2024; 19:639-653. [PMID: 38608679 PMCID: PMC11103789 DOI: 10.1016/j.stemcr.2024.03.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 03/15/2024] [Accepted: 03/18/2024] [Indexed: 04/14/2024] Open
Abstract
Sepsis survivors exhibit immune dysfunction, hematological changes, and increased risk of infection. The long-term impacts of sepsis on hematopoiesis were analyzed using a surgical model of murine sepsis, resulting in 50% survival. During acute disease, phenotypic hematopoietic stem and progenitor cells (HSPCs) were reduced in the bone marrow (BM), concomitant with increased myeloid colony-forming units and extramedullary hematopoiesis. Upon recovery, BM HSPCs were increased and exhibited normal function in the context of transplantation. To evaluate hematopoietic responses in sepsis survivors, we treated recovered sham and cecal ligation and puncture mice with a mobilizing regimen of granulocyte colony-stimulating factor (G-CSF) at day 20 post-surgery. Sepsis survivors failed to undergo emergency myelopoiesis and HSPC mobilization in response to G-CSF administration. G-CSF is produced in response to acute infection and injury to expedite the production of innate immune cells; therefore, our findings contribute to a new understanding of how sepsis predisposes to subsequent infection.
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Affiliation(s)
- Nirupam Biswas
- Department of Immunology and Microbial Disease, Albany Medical College, Albany, NY 12208, USA
| | - Amber Bahr
- Department of Immunology and Microbial Disease, Albany Medical College, Albany, NY 12208, USA
| | - Jennifer Howard
- Department of Immunology and Microbial Disease, Albany Medical College, Albany, NY 12208, USA
| | - Jesse L Bonin
- Department of Immunology and Microbial Disease, Albany Medical College, Albany, NY 12208, USA
| | - Rachel Grazda
- Department of Immunology and Microbial Disease, Albany Medical College, Albany, NY 12208, USA
| | - Katherine C MacNamara
- Department of Immunology and Microbial Disease, Albany Medical College, Albany, NY 12208, USA.
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Sims NA, Lévesque JP. Oncostatin M: Dual Regulator of the Skeletal and Hematopoietic Systems. Curr Osteoporos Rep 2024; 22:80-95. [PMID: 38198032 PMCID: PMC10912291 DOI: 10.1007/s11914-023-00837-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/30/2023] [Indexed: 01/11/2024]
Abstract
PURPOSE OF THE REVIEW The bone and hematopoietic tissues coemerge during development and are functionally intertwined throughout mammalian life. Oncostatin M (OSM) is an inflammatory cytokine of the interleukin-6 family produced by osteoblasts, bone marrow macrophages, and neutrophils. OSM acts via two heterodimeric receptors comprising GP130 with either an OSM receptor (OSMR) or a leukemia inhibitory factor receptor (LIFR). OSMR is expressed on osteoblasts, mesenchymal, and endothelial cells and mice deficient for the Osm or Osmr genes have both bone and blood phenotypes illustrating the importance of OSM and OSMR in regulating these two intertwined tissues. RECENT FINDINGS OSM regulates bone mass through signaling via OSMR, adaptor protein SHC1, and transducer STAT3 to both stimulate osteoclast formation and promote osteoblast commitment; the effect on bone formation is also supported by action through LIFR. OSM produced by macrophages is an important inducer of neurogenic heterotopic ossifications in peri-articular muscles following spinal cord injury. OSM produced by neutrophils in the bone marrow induces hematopoietic stem and progenitor cell proliferation in an indirect manner via OSMR expressed by bone marrow stromal and endothelial cells that form hematopoietic stem cell niches. OSM acts as a brake to therapeutic hematopoietic stem cell mobilization in response to G-CSF and CXCR4 antagonist plerixafor. Excessive OSM production by macrophages in the bone marrow is a key contributor to poor hematopoietic stem cell mobilization (mobilopathy) in people with diabetes. OSM and OSMR may also play important roles in the progression of several cancers. It is increasingly clear that OSM plays unique roles in regulating the maintenance and regeneration of bone, hematopoietic stem and progenitor cells, inflammation, and skeletal muscles. Dysregulated OSM production can lead to bone pathologies, defective muscle repair and formation of heterotopic ossifications in injured muscles, suboptimal mobilization of hematopoietic stem cells, exacerbated inflammatory responses, and anti-tumoral immunity. Ongoing research will establish whether neutralizing antibodies or cytokine traps may be useful to correct pathologies associated with excessive OSM production.
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Affiliation(s)
- Natalie A Sims
- St. Vincent's Institute of Medical Research, 9 Princes St, Fitzroy, VIC, Australia
- Melbourne Medical School, The University of Melbourne, Melbourne, VIC, Australia
| | - Jean-Pierre Lévesque
- Translational Research Institute, Mater Research Institute - The University of Queensland, 37 Kent Street, Woolloongabba, QLD, Australia.
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Li Z, Qiu K, Zhao J, Granger K, Yu H, Lewis AG, Myronovych A, Toure MH, Hatsell SJ, Economides AN, Seeley RJ, MacDougald OA. Antibodies to sclerostin or G-CSF receptor partially eliminate bone or marrow adipocyte loss, respectively, following vertical sleeve gastrectomy. Bone 2023; 169:116682. [PMID: 36709915 PMCID: PMC10513354 DOI: 10.1016/j.bone.2023.116682] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/10/2023] [Accepted: 01/21/2023] [Indexed: 01/27/2023]
Abstract
Vertical sleeve gastrectomy (VSG), the most utilized bariatric procedure in clinical practice, greatly reduces body weight and improves a variety of metabolic disorders. However, one of its long-term complications is bone loss and increased risk of fracture. Elevated circulating sclerostin (SOST) and granulocyte-colony stimulating factor (G-CSF) concentrations have been considered as potential contributors to VSG-associated bone loss. To test these possibilities, we administrated antibodies to SOST or G-CSF receptor and investigated alterations to bone and marrow niche following VSG. Neutralizing either SOST or G-CSF receptor did not alter beneficial effects of VSG on adiposity and hepatic steatosis, and anti-SOST treatment provided a further improvement to glucose tolerance. SOST antibodies partially reduced trabecular and cortical bone loss following VSG by increasing bone formation, whereas G-CSF receptor antibodies had no effects on bone mass. The expansion in myeloid cellularity and reductions in bone marrow adiposity seen with VSG were partially eliminated by treatment with Anti-G-CSF receptor. Taken together, these experiments demonstrate that antibodies to SOST or G-CSF receptor may act through independent mechanisms to partially block effects of VSG on bone loss or marrow niche cells, respectively.
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Affiliation(s)
- Ziru Li
- University of Michigan Medical School, Department of Molecular & Integrative Physiology, Ann Arbor, MI, United States of America; MaineHealth Institute for Research, Scarborough, ME, United States of America
| | - Kevin Qiu
- University of Michigan Medical School, Department of Molecular & Integrative Physiology, Ann Arbor, MI, United States of America
| | - Jingtong Zhao
- University of Michigan Medical School, Department of Molecular & Integrative Physiology, Ann Arbor, MI, United States of America
| | - Katrina Granger
- University of Michigan Medical School, Department of Molecular & Integrative Physiology, Ann Arbor, MI, United States of America
| | - Hui Yu
- University of Michigan Medical School, Department of Molecular & Integrative Physiology, Ann Arbor, MI, United States of America
| | - Alfor G Lewis
- University of Michigan Medical School, Department of Surgery, Ann Arbor, MI, United States of America
| | - Andriy Myronovych
- University of Michigan Medical School, Department of Surgery, Ann Arbor, MI, United States of America
| | - Mouhamadoul H Toure
- University of Michigan Medical School, Department of Surgery, Ann Arbor, MI, United States of America
| | - Sarah J Hatsell
- Regeneron Pharmaceuticals Inc., Tarrytown, NY, United States of America
| | - Aris N Economides
- Regeneron Pharmaceuticals Inc., Tarrytown, NY, United States of America
| | - Randy J Seeley
- University of Michigan Medical School, Department of Surgery, Ann Arbor, MI, United States of America
| | - Ormond A MacDougald
- University of Michigan Medical School, Department of Molecular & Integrative Physiology, Ann Arbor, MI, United States of America; University of Michigan Medical School, Department of Internal Medicine, Ann Arbor, MI, United States of America.
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