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Bertin H, Moussa MS, Komarova S. Efficacy of antiresorptive agents in fibrous dysplasia and McCune Albright syndrome, a systematic review and meta-analysis. Rev Endocr Metab Disord 2023; 24:1103-1119. [PMID: 37632645 DOI: 10.1007/s11154-023-09832-2] [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: 08/10/2023] [Indexed: 08/28/2023]
Abstract
Fibrous dysplasia (FD) is a rare skeletal disorder in which normal bone is replaced by a fibro-osseous tissue, resulting in possible deformities and fractures. The aim of this systematic review and meta-analysis was to synthesize the available evidence on the use of antiresorptive drugs in FD in terms of changes in bone turnover markers (BTMs), bone mineral density (BMD), and reducing pain. Three databases were searched in October 2022, with an update in July 2023. Of the 1037 studies identified, 21 were retained after eligibility assessment. A random-effects model was used to calculate global effect size and the corresponding standard error. Pamidronate and Denosumab were the most reported drugs in a total of 374 patients assessed. The initiation of treatments was accompanied by an average reduction of 40.5% [CI95% -51.6, -29.3] in the bone resorption parameters, and 22.0% [CI95% -31.9, -12.1] in the parameters of bone formation after 6-12 months. BMD was increased in both FD lesions and in the unaffected skeleton. Pain was reduced by 32.7% [CI95% -52.7, -12.6] after 6-12 months of treatment, and by 44.5% [CI95% -65.3, -23.6] after a mean 41.2 months of follow-up. The variation in pain was highly correlated to variation in bone resorption (R2 = 0.08, p < 0.0001) and formation parameters (R2 = 0.17, p < 0.0001). This study supports the overall efficacy of antiresorptive therapies in terms of reducing bone remodeling, improving bone density, and pain in FD.
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Affiliation(s)
- Hélios Bertin
- Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, QC, H3A 1G1, Canada.
- Nantes Université, CHU Nantes, Service de chirurgie maxillo-faciale et stomatologie, F-44000, Nantes, France.
- Nantes Université, UnivAngers, CHU Nantes, INSERM, CNRS, CRCI2NA, F-44000, Nantes, France.
| | - Mahmoud S Moussa
- Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, QC, H3A 1G1, Canada
- Shriners Hospitals for Children - Canada, Montreal, QC, H4A 0A9, Canada
| | - Svetlana Komarova
- Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, QC, H3A 1G1, Canada
- Shriners Hospitals for Children - Canada, Montreal, QC, H4A 0A9, Canada
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Tibbo AJ, Mika D, Dobi S, Ling J, McFall A, Tejeda GS, Blair C, MacLeod R, MacQuaide N, Gök C, Fuller W, Smith BO, Smith GL, Vandecasteele G, Brand T, Baillie GS. Phosphodiesterase type 4 anchoring regulates cAMP signaling to Popeye domain-containing proteins. J Mol Cell Cardiol 2022; 165:86-102. [PMID: 34999055 PMCID: PMC8986152 DOI: 10.1016/j.yjmcc.2022.01.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 12/16/2021] [Accepted: 01/03/2022] [Indexed: 12/04/2022]
Abstract
Cyclic AMP is a ubiquitous second messenger used to transduce intracellular signals from a variety of Gs-coupled receptors. Compartmentalisation of protein intermediates within the cAMP signaling pathway underpins receptor-specific responses. The cAMP effector proteins protein-kinase A and EPAC are found in complexes that also contain phosphodiesterases whose presence ensures a coordinated cellular response to receptor activation events. Popeye domain containing (POPDC) proteins are the most recent class of cAMP effectors to be identified and have crucial roles in cardiac pacemaking and conduction. We report the first observation that POPDC proteins exist in complexes with members of the PDE4 family in cardiac myocytes. We show that POPDC1 preferentially binds the PDE4A sub-family via a specificity motif in the PDE4 UCR1 region and that PDE4s bind to the Popeye domain of POPDC1 in a region known to be susceptible to a mutation that causes human disease. Using a cell-permeable disruptor peptide that displaces the POPDC1-PDE4 complex we show that PDE4 activity localized to POPDC1 modulates cycle length of spontaneous Ca2+ transients firing in intact mouse sinoatrial nodes. POPDC1 forms a complex with type 4 phosphodiesterases (PDE4s) in cardiac myocytes. POPDC1 binds PDE4 enzymes in the Upstream Conserved Region 1 (UCR1) domain. The PDE4 binding motif within the Popeye domain lies in a region that harbours a mutation, which underpins human disease. Disruption of the POPDC1-PDE4 complex modulates the cycle length of spontaneous Ca2+ transients in the sinoatrial node. Disruption of the POPDC1-PDE4 complex causes a significant prolongation of the action potential repolarization phase.
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Affiliation(s)
- Amy J Tibbo
- College of Veterinary, Medical and Life Sciences, University of Glasgow, Glasgow G128QQ, UK
| | - Delphine Mika
- Université Paris-Saclay, Inserm, Signaling and Cardiovascular Pathophysiology, UMR-S 1180, 92296 Châtenay-Malabry, France
| | - Sara Dobi
- College of Veterinary, Medical and Life Sciences, University of Glasgow, Glasgow G128QQ, UK
| | - Jiayue Ling
- College of Veterinary, Medical and Life Sciences, University of Glasgow, Glasgow G128QQ, UK
| | - Aisling McFall
- College of Veterinary, Medical and Life Sciences, University of Glasgow, Glasgow G128QQ, UK
| | - Gonzalo S Tejeda
- College of Veterinary, Medical and Life Sciences, University of Glasgow, Glasgow G128QQ, UK
| | - Connor Blair
- College of Veterinary, Medical and Life Sciences, University of Glasgow, Glasgow G128QQ, UK
| | - Ruth MacLeod
- College of Veterinary, Medical and Life Sciences, University of Glasgow, Glasgow G128QQ, UK
| | - Niall MacQuaide
- School of Health and Life Sciences, Glasgow Caledonian University, Glasgow, UK
| | - Caglar Gök
- College of Veterinary, Medical and Life Sciences, University of Glasgow, Glasgow G128QQ, UK
| | - William Fuller
- College of Veterinary, Medical and Life Sciences, University of Glasgow, Glasgow G128QQ, UK
| | - Brian O Smith
- College of Veterinary, Medical and Life Sciences, University of Glasgow, Glasgow G128QQ, UK
| | - Godfrey L Smith
- College of Veterinary, Medical and Life Sciences, University of Glasgow, Glasgow G128QQ, UK
| | - Grégoire Vandecasteele
- Université Paris-Saclay, Inserm, Signaling and Cardiovascular Pathophysiology, UMR-S 1180, 92296 Châtenay-Malabry, France
| | - Thomas Brand
- National Heart and Lung Institute, Imperial College, W12 0NN, London
| | - George S Baillie
- College of Veterinary, Medical and Life Sciences, University of Glasgow, Glasgow G128QQ, UK.
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Huzum B, Antoniu S, Dragomir R. Treatment of fibrous dysplasia: focus on denosumab. Expert Opin Biol Ther 2021; 22:397-405. [PMID: 34964677 DOI: 10.1080/14712598.2022.2022118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
INTRODUCTION Fibrous dysplasia (FD) is a rare bone disease that is associated with various endocrine conditions, such as McCune Albright syndrome. It manifests as abnormal osteolysis, multiple fractures, or deformities that are reported during disease course. The receptor activator of nuclear factor-kappa B (RANK)/RANK ligand (RANKL) pathway is upregulated in FD and can be targeted with denosumab, a blocking monoclonal antibody. AREAS COVERED Preclinical and clinical data on the scientific rationale for using denosumab in FD and on the efficacy and safety of this therapy for this condition have been reviewed, in addition to other therapies. EXPERT OPINION Denosumab is a potential therapeutic agent against FD. A combined synergic approach involving theranostics might increase its therapeutic potential.
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Affiliation(s)
- Bogdan Huzum
- University of Medicine and Pharmacy Grigore T Popa, Iasi, Romania
| | - Sabina Antoniu
- Department of Medicine II-Nursing/Palliative Care, University of Medicine and Pharmacy Grigore T Popa, Iasi, Romania
| | - Raluca Dragomir
- Department of Anesthesiology and Oral Surgery, Faculty of Dental Medicine, University of Medicine and Pharmacy Grigore T Popa, Iasi, Romania
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Schröder S, Scheunemann M, Wenzel B, Brust P. Challenges on Cyclic Nucleotide Phosphodiesterases Imaging with Positron Emission Tomography: Novel Radioligands and (Pre-)Clinical Insights since 2016. Int J Mol Sci 2021; 22:ijms22083832. [PMID: 33917199 PMCID: PMC8068090 DOI: 10.3390/ijms22083832] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 03/29/2021] [Accepted: 03/31/2021] [Indexed: 12/21/2022] Open
Abstract
Cyclic nucleotide phosphodiesterases (PDEs) represent one of the key targets in the research field of intracellular signaling related to the second messenger molecules cyclic adenosine monophosphate (cAMP) and/or cyclic guanosine monophosphate (cGMP). Hence, non-invasive imaging of this enzyme class by positron emission tomography (PET) using appropriate isoform-selective PDE radioligands is gaining importance. This methodology enables the in vivo diagnosis and staging of numerous diseases associated with altered PDE density or activity in the periphery and the central nervous system as well as the translational evaluation of novel PDE inhibitors as therapeutics. In this follow-up review, we summarize the efforts in the development of novel PDE radioligands and highlight (pre-)clinical insights from PET studies using already known PDE radioligands since 2016.
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Affiliation(s)
- Susann Schröder
- Department of Research and Development, ROTOP Pharmaka Ltd., 01328 Dresden, Germany
- Department of Neuroradiopharmaceuticals, Institute of Radiopharmaceutical Cancer Research, Research Site Leipzig, Helmholtz-Zentrum Dresden-Rossendorf (HZDR), 04318 Leipzig, Germany; (M.S.); (B.W.); (P.B.)
- Correspondence: ; Tel.: +49-341-234-179-4631
| | - Matthias Scheunemann
- Department of Neuroradiopharmaceuticals, Institute of Radiopharmaceutical Cancer Research, Research Site Leipzig, Helmholtz-Zentrum Dresden-Rossendorf (HZDR), 04318 Leipzig, Germany; (M.S.); (B.W.); (P.B.)
| | - Barbara Wenzel
- Department of Neuroradiopharmaceuticals, Institute of Radiopharmaceutical Cancer Research, Research Site Leipzig, Helmholtz-Zentrum Dresden-Rossendorf (HZDR), 04318 Leipzig, Germany; (M.S.); (B.W.); (P.B.)
| | - Peter Brust
- Department of Neuroradiopharmaceuticals, Institute of Radiopharmaceutical Cancer Research, Research Site Leipzig, Helmholtz-Zentrum Dresden-Rossendorf (HZDR), 04318 Leipzig, Germany; (M.S.); (B.W.); (P.B.)
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