Modern classification and molecular-genetic aspects of osteogenesis imperfecta

Osteogenesis imperfecta (imperfect osteogenesis in the Russian literature) is the most common hereditary form of bone fragility, it is a genetically and clinically heterogeneous disease with a wide range of clinical severity, often leading to disability from early childhood. It is based on genetic d...

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Main Authors: A. R. Zaripova, R. I. Khusainova
Format: Article
Language:English
Published: Siberian Branch of the Russian Academy of Sciences, Federal Research Center Institute of Cytology and Genetics, The Vavilov Society of Geneticists and Breeders 2020-04-01
Series:Вавиловский журнал генетики и селекции
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Online Access:https://vavilov.elpub.ru/jour/article/view/2551
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author A. R. Zaripova
R. I. Khusainova
author_facet A. R. Zaripova
R. I. Khusainova
author_sort A. R. Zaripova
collection DOAJ
description Osteogenesis imperfecta (imperfect osteogenesis in the Russian literature) is the most common hereditary form of bone fragility, it is a genetically and clinically heterogeneous disease with a wide range of clinical severity, often leading to disability from early childhood. It is based on genetic disorders leading to a violation of the structure of bone tissue, which leads to frequent fractures, impaired growth and posture, with the development of characteristic disabling bone deformities and associated problems, including respiratory, neurological, cardiac, renal impairment, hearing loss. Osteogenesis imperfecta occurs in both men and women, the disease is inherited in both autosomal dominant and autosomal recessive types, there are sporadic cases of the disease due to de novomutations, as well as X-linked forms. The term “osteogenesis imperfecta” was coined by W. Vrolick in the 1840s. The first classification of the disease was made in 1979 and has been repeatedly reviewed due to the identification of the molecular cause of the disease and the discovery of new mechanisms for the development of osteogenesis imperfecta. In the early 1980s, mutations in two genes of collagen type I (COL1A1and COL1A2) were first associated with an autosomal dominant inheritance type of osteogenesis imperfecta. Since then, 18 more genes have been identified whose products are involved in the formation and mineralization of bone tissue.  The degree of genetic heterogeneity of the disease has not yet been determined, researchers continue to identify new genes involved in its pathogenesis, the number of which has reached 20. In the last decade, it has become  known that autosomal recessive, autosomal dominant and X-linked mutations in a wide range of genes, encoding  proteins that are involved in the synthesis of type I collagen, its processing, secretion and post-translational modification, as well as in proteins that regulate the differentiation and activity of bone-forming cells, cause imperfect  osteogenesis. A large number of causative genes complicated the classical classification of the disease and, due to new advances in the molecular basis of the disease, the classification of the disease is constantly being improved.  In this review, we systematized and summarized information on the results of studies in the field of clinical and genetic aspects of osteogenesis imperfecta and reflected the current state of the classification criteria for diagnosing the disease.
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spelling doaj-art-322e4b91acfc4c079d6fe265651a82a52025-02-01T09:58:08ZengSiberian Branch of the Russian Academy of Sciences, Federal Research Center Institute of Cytology and Genetics, The Vavilov Society of Geneticists and BreedersВавиловский журнал генетики и селекции2500-32592020-04-0124221922710.18699/VJ20.6141045Modern classification and molecular-genetic aspects of osteogenesis imperfectaA. R. Zaripova0R. I. Khusainova1Institute of Biochemistry and Genetics – Subdivision of the Ufa Federal Research Centre of the Russian Academy of SciencesInstitute of Biochemistry and Genetics – Subdivision of the Ufa Federal Research Centre of the Russian Academy of Sciences; Republican Medical-Genetic CenterOsteogenesis imperfecta (imperfect osteogenesis in the Russian literature) is the most common hereditary form of bone fragility, it is a genetically and clinically heterogeneous disease with a wide range of clinical severity, often leading to disability from early childhood. It is based on genetic disorders leading to a violation of the structure of bone tissue, which leads to frequent fractures, impaired growth and posture, with the development of characteristic disabling bone deformities and associated problems, including respiratory, neurological, cardiac, renal impairment, hearing loss. Osteogenesis imperfecta occurs in both men and women, the disease is inherited in both autosomal dominant and autosomal recessive types, there are sporadic cases of the disease due to de novomutations, as well as X-linked forms. The term “osteogenesis imperfecta” was coined by W. Vrolick in the 1840s. The first classification of the disease was made in 1979 and has been repeatedly reviewed due to the identification of the molecular cause of the disease and the discovery of new mechanisms for the development of osteogenesis imperfecta. In the early 1980s, mutations in two genes of collagen type I (COL1A1and COL1A2) were first associated with an autosomal dominant inheritance type of osteogenesis imperfecta. Since then, 18 more genes have been identified whose products are involved in the formation and mineralization of bone tissue.  The degree of genetic heterogeneity of the disease has not yet been determined, researchers continue to identify new genes involved in its pathogenesis, the number of which has reached 20. In the last decade, it has become  known that autosomal recessive, autosomal dominant and X-linked mutations in a wide range of genes, encoding  proteins that are involved in the synthesis of type I collagen, its processing, secretion and post-translational modification, as well as in proteins that regulate the differentiation and activity of bone-forming cells, cause imperfect  osteogenesis. A large number of causative genes complicated the classical classification of the disease and, due to new advances in the molecular basis of the disease, the classification of the disease is constantly being improved.  In this review, we systematized and summarized information on the results of studies in the field of clinical and genetic aspects of osteogenesis imperfecta and reflected the current state of the classification criteria for diagnosing the disease.https://vavilov.elpub.ru/jour/article/view/2551osteogenesis imperfectacollagenbone fragilitybisphosphonatesmultiple fractures
spellingShingle A. R. Zaripova
R. I. Khusainova
Modern classification and molecular-genetic aspects of osteogenesis imperfecta
Вавиловский журнал генетики и селекции
osteogenesis imperfecta
collagen
bone fragility
bisphosphonates
multiple fractures
title Modern classification and molecular-genetic aspects of osteogenesis imperfecta
title_full Modern classification and molecular-genetic aspects of osteogenesis imperfecta
title_fullStr Modern classification and molecular-genetic aspects of osteogenesis imperfecta
title_full_unstemmed Modern classification and molecular-genetic aspects of osteogenesis imperfecta
title_short Modern classification and molecular-genetic aspects of osteogenesis imperfecta
title_sort modern classification and molecular genetic aspects of osteogenesis imperfecta
topic osteogenesis imperfecta
collagen
bone fragility
bisphosphonates
multiple fractures
url https://vavilov.elpub.ru/jour/article/view/2551
work_keys_str_mv AT arzaripova modernclassificationandmoleculargeneticaspectsofosteogenesisimperfecta
AT rikhusainova modernclassificationandmoleculargeneticaspectsofosteogenesisimperfecta