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Sato T, Chaugule S, Greenblatt MB, Gao G, Shim JH. Advances in Bone-Targeting Drug Delivery: Emerging Strategies Using Adeno-Associated Virus. Hum Gene Ther 2024; 35:329-341. [PMID: 38661537 DOI: 10.1089/hum.2024.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024] Open
Abstract
The development of bone-targeting drug delivery systems holds immense promise for improving the treatment of skeletal diseases. By precisely delivering therapeutic agents to the affected areas of bone, these strategies can enhance drug efficacy, minimize off-target effects, and promote patient adherence, ultimately leading to improved treatment outcomes and an enhanced quality of life for patients. This review aims to provide an overview of the current state of affinity-based bone-targeting agents and recent breakthroughs in innovative bone-targeting adeno-associated virus (AAV) strategies to treat skeletal diseases in mice. In particular, this review will delve into advanced AAV engineering, including AAV serotype selection for bone targeting and capsid modifications for bone-specific tropism. Additionally, we will highlight recent advancements in AAV-mediated gene therapy for skeletal diseases and discuss challenges and future directions of this promising therapeutic approach.
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Affiliation(s)
- Tadatoshi Sato
- Department of Medicine, Division of Rheumatology, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
- Horae Gene Therapy Center, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
- Li Weibo Institute for Rare Diseases Research, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
- UMass Center for Clinical and Translational Science, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
- Endocrine Unit/Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Sachin Chaugule
- Department of Medicine, Division of Rheumatology, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | - Matthew B Greenblatt
- Research Division, Hospital for Special Surgery, New York, New York, USA
- Department of Pathology and Laboratory Medicine, Weill Cornell Medical College, New York, New York, USA
| | - Guangping Gao
- Horae Gene Therapy Center, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
- Li Weibo Institute for Rare Diseases Research, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
- Department of Microbiology and Physiological Systems, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
- Viral Vector Core, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | - Jae-Hyuck Shim
- Department of Medicine, Division of Rheumatology, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
- Horae Gene Therapy Center, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
- Li Weibo Institute for Rare Diseases Research, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
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Uzsen H, Zengin D, Basbakkal Z. The experiences of the families with children diagnosed with osteogenesis imperfecta: A Qualiative study in Turkey. J Pediatr Nurs 2023; 73:e172-e179. [PMID: 37591701 DOI: 10.1016/j.pedn.2023.08.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 08/09/2023] [Accepted: 08/09/2023] [Indexed: 08/19/2023]
Abstract
BACKGROUND The diagnosis of osteogenesis imperfecta affects the whole lives of family members. This study aims to investigate the lived experience of families with children diagnosed with osteogenesis imperfecta. DESIGN AND METHODS This study used a qualitative, phenomenological design. The study sample consisted of parents of the children who were followed up with the diagnosis of osteogenesis imperfecta in the pediatric endocrinology clinic in Turkey. In order to collect data, a semi-structured interview form was prepared, and data were collected by way of face-to-face interviews. The lived experience of families were analyzed using qualitative methods. The life experiences of the families were analyzed in depth using qualitative methods. RESULTS In the study, six themes were identified, including having a child diagnosed with osteogenesis imperfecta, family process, life patterns, emotional dimension, social life, and economic dimension. The results revealed that parents did not know about the disease upon learning of the child's diagnosis. Parents stated that they experienced anxiety, disappointment, sadness, denial, and despair when they first learned about their children's diagnosis. They also indicated that having a child with osteogenesis imperfecta affected the whole family in physiological, psychological, and social aspects. CONCLUSION Parents and children should be given information about the disease since the first diagnosis of osteogenesis imperfecta, and psychosocial support should be provided. Families that can not get sufficient psychosocial support experience difficulties in the medical and care management of the disease. PRACTICE IMPLICATIONS Knowing and understanding the lived experiences of families living with osteogenesis imperfecta can guide the planning and implementation of quality nursing care processes.
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Affiliation(s)
- Hatice Uzsen
- Department of Pediatric Nursing, Faculty of Health Sciences, Ondokuz Mayis University, Samsun, Turkey.
| | - Dilek Zengin
- Department of Pediatric Nursing, Faculty of Nursing, Ege University, İzmir, Turkey
| | - Zumrut Basbakkal
- Department of Pediatric Nursing, Faculty of Nursing, Ege University, İzmir, Turkey
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Lang E, Semon JA. Mesenchymal stem cells in the treatment of osteogenesis imperfecta. CELL REGENERATION (LONDON, ENGLAND) 2023; 12:7. [PMID: 36725748 PMCID: PMC9892307 DOI: 10.1186/s13619-022-00146-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 10/18/2022] [Indexed: 02/03/2023]
Abstract
Osteogenesis imperfecta (OI) is a disease caused by mutations in different genes resulting in mild, severe, or lethal forms. With no cure, researchers have investigated the use of cell therapy to correct the underlying molecular defects of OI. Mesenchymal stem cells (MSCs) are of particular interest because of their differentiation capacity, immunomodulatory effects, and their ability to migrate to sites of damage. MSCs can be isolated from different sources, expanded in culture, and have been shown to be safe in numerous clinical applications. This review summarizes the preclinical and clinical studies of MSCs in the treatment of OI. Altogether, the culmination of these studies show that MSCs from different sources: 1) are safe to use in the clinic, 2) migrate to fracture sites and growth sites in bone, 3) engraft in low levels, 4) improve clinical outcome but have a transient effect, 5) have a therapeutic effect most likely due to paracrine mechanisms, and 6) have a reduced therapeutic potential when isolated from patients with OI.
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Affiliation(s)
- Erica Lang
- grid.260128.f0000 0000 9364 6281Department of Biological Sciences, Missouri University of Science and Technology, 400 W 11th St., Rolla, MO USA
| | - Julie A. Semon
- grid.260128.f0000 0000 9364 6281Department of Biological Sciences, Missouri University of Science and Technology, 400 W 11th St., Rolla, MO USA
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Chang B, Keating S, Mikhael M, Lim J. Osteogenesis Imperfecta: Multidisciplinary and Goal-Centered Care. AJP Rep 2022; 12:e144-e147. [PMID: 36187198 PMCID: PMC9522483 DOI: 10.1055/s-0042-1757481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 07/06/2022] [Indexed: 11/30/2022] Open
Abstract
We describe a case of osteogenesis imperfecta (OI) in a late preterm female of 35-week gestation. The mother did have a history of substance abuse, poor prenatal care, and hypertension. On the day of delivery, an ultrasound revealed skeletal dysplasia and breech with nonreassuring fetal tracing, leading to an emergency cesarean. The clinical exam was concerning for OI, and postnatal care was focused on optimizing respiratory status and minimizing pain and discomfort during routine care. Genetics, endocrine, orthopaedics, and palliative care were all involved to diagnose and educate the family. Support and education were needed for bedside staff to minimize angst at performing routine care, given the high risk of fractures. While initially stable on minimal oxygen, once the diagnosis of type III OI was made, a progressively deforming condition with respiratory status decompensation, the family wished to minimize suffering, limited aggressive medical care, and focused on comfort. The infant eventually died from respiratory failure in the neonatal intensive care unit. We present this case to demonstrate the need for an interdisciplinary team approach to support both family and staff in cases of OI.
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Affiliation(s)
- Bryston Chang
- Department of Pediatrics, University of California Irvine School of Medicine, Irvine, California
| | - Sarah Keating
- Department of Palliative Care, Children's Hospital of Orange County, Orange, California
| | - Michel Mikhael
- Department of Neonatal-Perinatal Medicine, Orange, California
| | - Jina Lim
- Department of Neonatology, Children's Hospital of Orange County, Orange, California
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Chang B, Keating S, Mikhael M, Lim J. Osteogenesis Imperfecta: Multidisciplinary and Goal-Centered Care. AJP Rep 2022; 12:e144-e147. [PMID: 36187200 PMCID: PMC9525185 DOI: 10.1055/a-1911-3755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 07/06/2022] [Indexed: 12/04/2022] Open
Abstract
We describe a case of osteogenesis imperfecta (OI) in a late preterm female of 35-week gestation. The mother did have a history of substance abuse, poor prenatal care, and hypertension. On the day of delivery, an ultrasound revealed skeletal dysplasia and breech with nonreassuring fetal tracing, leading to an emergency cesarean. The clinical exam was concerning for OI, and postnatal care was focused on optimizing respiratory status and minimizing pain and discomfort during routine care. Genetics, endocrine, orthopaedics, and palliative care were all involved to diagnose and educate the family. Support and education were needed for bedside staff to minimize angst at performing routine care, given the high risk of fractures. While initially stable on minimal oxygen, once the diagnosis of type III OI was made, a progressively deforming condition with respiratory status decompensation, the family wished to minimize suffering, limited aggressive medical care, and focused on comfort. The infant eventually died from respiratory failure in the neonatal intensive care unit. We present this case to demonstrate the need for an interdisciplinary team approach to support both family and staff in cases of OI.
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Affiliation(s)
- Bryston Chang
- Department of Pediatrics, University of California Irvine School of Medicine, Irvine, California
| | - Sarah Keating
- Department of Palliative Care, Children's Hospital of Orange County, Orange, California
| | - Michel Mikhael
- Department of Neonatal-Perinatal Medicine, Orange, California
| | - Jina Lim
- Department of Neonatology, Children's Hospital of Orange County, Orange, California
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Zhytnik L, Maasalu K, Duy BH, Pashenko A, Khmyzov S, Reimann E, Prans E, Kõks S, Märtson A. De novo and inherited pathogenic variants in collagen-related osteogenesis imperfecta. Mol Genet Genomic Med 2019; 7:e559. [PMID: 30675999 PMCID: PMC6418448 DOI: 10.1002/mgg3.559] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Revised: 11/27/2018] [Accepted: 12/13/2018] [Indexed: 01/10/2023] Open
Abstract
Background Osteogenesis imperfecta (OI) is a rare genetic bone fragility disorder. In the current study, differences between the genotypes and phenotypes of de novo and inherited collagen‐related OI were investigated. Methods A comparative analysis was performed of the genotypes and phenotypes of 146 unrelated inherited and de novo collagen I OI cases from Estonia, Ukraine, and Vietnam. Mutational analysis of the subjects and all available parents were performed with Sanger sequencing. Results Results showed that 56.16% of the OI cases were caused by de novo pathogenic variants. The proportion of OI types OI1, OI4, and OI3 among subjects with inherited OI was 45.31%, 46.88%, and 7.81%, respectively. Among subjects with de novo OI, the proportions of OI types (OI1, OI4, and OI3) were almost equal. Both inherited and de novo OI pathogenic variants occurred more often in the COL1A1 gene than in the COL1A2. The majority of de novo cases were missense pathogenic variants, whereas inherited OI was mostly caused by loss of function pathogenic variants. Conclusion In summary, there were significant differences between the phenotypes and genotypes of subjects with de novo and inherited OI. These findings may promote the further understanding of OI etiology, and assist with diagnostics procedures, as well as with family planning.
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Affiliation(s)
- Lidiia Zhytnik
- Department of Traumatology and Orthopedics, University of Tartu, Tartu, Estonia
| | - Katre Maasalu
- Department of Traumatology and Orthopedics, University of Tartu, Tartu, Estonia.,Clinic of Traumatology and Orthopedics, Tartu University Hospital, Tartu, Estonia
| | - Binh Ho Duy
- Hue University of Medicine and Pharmacy, Hue University, Hue, Vietnam
| | - Andrey Pashenko
- Department of Pediatric Orthopedics, Sytenko Institute of Spine and Joint Pathology, AMS Ukraine, Kharkiv, Ukraine
| | - Sergey Khmyzov
- Department of Pediatric Orthopedics, Sytenko Institute of Spine and Joint Pathology, AMS Ukraine, Kharkiv, Ukraine
| | - Ene Reimann
- Centre of Translational Medicine, University of Tartu, Tartu, Estonia.,Department of Pathophysiology, University of Tartu, Tartu, Estonia
| | - Ele Prans
- Department of Pathophysiology, University of Tartu, Tartu, Estonia
| | - Sulev Kõks
- Centre for Comparative Genomics, Murdoch University, Perth, Australia.,Perron Institute for Neurological and Translational Science, University of Western Australia, Perth, Australia
| | - Aare Märtson
- Department of Traumatology and Orthopedics, University of Tartu, Tartu, Estonia.,Clinic of Traumatology and Orthopedics, Tartu University Hospital, Tartu, Estonia
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Jiang Y, Pan J, Guo D, Zhang W, Xie J, Fang Z, Guo C, Fang Q, Jiang W, Guo Y. Two novel mutations in the PPIB gene cause a rare pedigree of osteogenesis imperfecta type IX. Clin Chim Acta 2017; 469:111-118. [PMID: 28242392 DOI: 10.1016/j.cca.2017.02.019] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Revised: 01/19/2017] [Accepted: 02/23/2017] [Indexed: 02/08/2023]
Abstract
BACKGROUND Osteogenesis imperfecta (OI) is a rare genetic skeletal disorder characterized by increased bone fragility and vulnerability to fractures. PPIB is identified as a candidate gene for OI-IX, here we detect two pathogenic mutations in PPIB and analyze the genotype-phenotype correlation in a Chinese family with OI. METHODS Next-generation sequencing (NGS) was used to screen the whole exome of the parents of proband. Screening of variation frequency, evolutionary conservation comparisons, pathogenicity evaluation, and protein structure prediction were conducted to assess the pathogenicity of the novel mutations. Sanger sequencing was used to confirm the candidate variants. RTQ-PCR was used to analyze the PPIB gene expression. RESULTS All mutant genes screened out by NGS were excluded except PPIB. Two novel heterozygous PPIB mutations (father, c.25A>G; mother, c.509G>A) were identified in relation to osteogenesis imperfecta type IX. Both mutations were predicted to be pathogenic by bioinformatics analysis and RTQ-PCR analysis revealed downregulated PPIB expression in the two carriers. CONCLUSION We report a rare pedigree with an autosomal recessive osteogenesis imperfecta type IX (OI-IX) caused by two novel PPIB mutations identified for the first time in China. The current study expands our knowledge of PPIB mutations and their associated phenotypes, and provides new information on the genetic defects associated with this disease for clinical diagnosis.
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Affiliation(s)
- Yu Jiang
- Department of Medical Genetics, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - Jingxin Pan
- Department of Internal Medicine, The Second Affiliated Hospital, Fujian Medical University, Quanzhou 362000, China
| | - Dongwei Guo
- Clinical Medicine, Grade 2014, Medical College, Xiamen University, Xiamen 361102, China
| | - Wei Zhang
- Department of Human and Molecular Genetics, BCM (Baylor College of Medicine), One Baylor Plaza, Nab 2015, Houston, TX 77030, USA; AmCare Genomics Laboratory, Guangzhou 510300, China
| | - Jie Xie
- Department of Medical Genetics, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - Zishui Fang
- Department of Medical Genetics, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - Chunmiao Guo
- Department of Internal Medicine, The Second Affiliated Hospital, Fujian Medical University, Quanzhou 362000, China
| | - Qun Fang
- Fetal Medicine Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - Weiying Jiang
- Department of Medical Genetics, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - Yibin Guo
- Department of Medical Genetics, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China.
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Cardiological assessment of a cohort of Egyptian patients with osteogenesis imperfecta type III. EGYPTIAN JOURNAL OF MEDICAL HUMAN GENETICS 2016. [DOI: 10.1016/j.ejmhg.2015.12.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
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