| Autor: |
Chunyu Liu, Muhammad Ajmal, Zaineb Akram, Tariq Ghafoor, Muhammad Farhan, Sobia Shafique, Sughra Wahid, Shahar Bano, Jianqiu Xiao, Humayoon Shafique Satti, Feng Zhang, Tahir Naeem Khan |
| Jazyk: |
angličtina |
| Rok vydání: |
2021 |
| Předmět: |
|
| Zdroj: |
BMC Medical Genomics, Vol 14, Iss 1, Pp 1-9 (2021) |
| Druh dokumentu: |
article |
| ISSN: |
1755-8794 |
| DOI: |
10.1186/s12920-021-01117-4 |
| Popis: |
Abstract Osteopetrosis is a genetically heterogenous, fatal bone disorder characterized by increased bone density. Globally, various genetic causes are reported for osteopetrosis with all forms of inheritance patterns. A precise molecular diagnosis is necessary for prognosis and for prescribing treatment paradigms in osteopetrosis. Here we report on thirteen individuals diagnosed with infantile malignant osteopetrosis coming from ten unrelated Pakistani families; nine of whom are consanguineous. We performed whole exome sequencing and Sanger sequencing in all families and identified homozygous variants in genes previously reported for autosomal recessive inheritance of osteopetrosis. All the identified variants are expected to affect the stability or length of gene products except one nonsynonymous missense variant. TCIRG1 was found as a candidate causal gene in majority of the families. We report six novel variants; four in TCIRG1 and one each in CLCN7 and OSTM1. Our combined findings will be helpful in molecular diagnosis and genetic counselling of patients with osteopetrosis particularly in populations with high consanguinity. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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