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A Novel Mutation c.841C>T in COPA Syndrome of an 11-Year-Old Boy: A Case Report and Short Literature Review.

ABSTRACT: COPA syndrome is a rare autosomal dominant disorder with auto-immune and auto-inflammatory abnormalities. This disease is caused by mutations of COPα, a protein that functions in the retrograde transport from the Golgi to the ER. Here we report the first COPA case of an 11-year-old boy with c.841C>T, p.R281W mutation. The arginine at position 281 was located in a highly evolutionary-conserved region. Immunosuppressive drugs and corticosteroids might not improve the long-term outcome of COPA patients. For patients with pulmonary disease, polyarthritis and/or kidney disorder, and suspected of COPA, genetic analysis should be conducted promptly for early diagnosis.

SUBMITTER: Zeng J

PROVIDER: S-EPMC8654191 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature

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A Novel Mutation c.841C>T in COPA Syndrome of an 11-Year-Old Boy: A Case Report and Short Literature Review.

Zeng Jingxia J Hao Jing J Zhou Wei W Zhou Zhaoqun Z Miao Hongjun H

Frontiers in pediatrics 20211124

COPA syndrome is a rare autosomal dominant disorder with auto-immune and auto-inflammatory abnormalities. This disease is caused by mutations of COPα, a protein that functions in the retrograde transport from the Golgi to the ER. Here we report the first COPA case of an 11-year-old boy with c.841C>T, p.R281W mutation. The arginine at position 281 was located in a highly evolutionary-conserved region. Immunosuppressive drugs and corticosteroids might not improve the long-term outcome of COPA pati ...[more]

PMID: 34900872

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Project description:BackgroundHypercalcemic crisis caused by primary hyperparathyroidism (PHPT) in pediatric patients is very rare, and appropriate treatment approach for this condition has not been well demonstrated. Here, we report a case of PHPT-induced hypercalcemic crisis in a boy.Case descriptionAn 11-year-old boy visited the clinic with abdominal pain and nausea that lasted for 3 months, but the cause of his symptoms could not be identified. As these symptoms worsened after 1 month, he was referred to a nearby hospital. The boy's albumin-corrected serum calcium level was very high (14.3 mg/dL). Treatment was immediately started with the administration of normal saline, furosemide, and calcitonin to lower his serum calcium levels. Based on elevated intact-parathyroid hormone (i-PTH) (405 pg/mL) level and enlargement of the right superior parathyroid on diagnostic imaging, he was diagnosed with hypercalcemic crisis due to PHPT. As his albumin-corrected serum calcium level increased to 16.5 mg/dL and he could not take almost any foods due to severe nausea, he was transferred to our hospital and treated with pamidronate. Although his albumin-corrected serum calcium level decreased to 14.0 mg/dL, his symptoms did not improve completely. Therefore, 2 days after transfer to our hospital, he underwent emergency surgery to resect the enlarged right superior parathyroid gland. Fifteen minutes after removal of the enlarged parathyroid gland, the serum intact-PTH level decreased to 41.7 pg/mL. The histopathological diagnosis of the enlarged parathyroid gland was adenoma. The boy became asymptomatic, and his albumin-corrected serum calcium level was maintained within the normal limits for 6 months post operatively. Genetic testing performed after the surgery did not detect any pathogenic mutations in the MEN1 and CDC73 genes, and no genetic predisposition has been identified to date.ConclusionsEmergency focused parathyroidectomy prior to genetic testing might be an appropriate strategy when the pediatric patient presents with a PHPT-induced hypercalcemic crisis.

Dataset Information

A Novel Mutation c.841C>T in COPA Syndrome of an 11-Year-Old Boy: A Case Report and Short Literature Review.

Publications

A Novel Mutation c.841C>T in COPA Syndrome of an 11-Year-Old Boy: A Case Report and Short Literature Review.

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