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ArticleIndian journal of endocrinology and metabolism

Phenotypic and Genotypic Spectrum of Indian Patients with Hypophosphatasia.

Melkunte S Dhananjaya, S Thrupti, Hamsa V Reddy, Anusha Nadig, Kenchappa S Adarsh, Swati Jadhav, Parvathy Lalitha, Sandhya Nair, Shaila Bhattacharyya, Anurag Lila and 1 more

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Article in Indian journal of endocrinology and metabolism. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

11 authors.

Melkunte S DhananjayaDepartment of Endocrinology, Vydehi Institute of Medical Sciences and Research Center, Bengaluru, Karnataka, India.
S ThruptiKangaroo Care Hospitals, Mysore, Karnataka, India.
Hamsa V ReddyDepartment of Pediatrics, Division of Pediatric Nephrology, M S Ramaiah Medical College, Bengaluru, Karnataka, India.
Anusha NadigDepartment of Endocrinology, Vydehi Institute of Medical Sciences and Research Center, Bengaluru, Karnataka, India.
Kenchappa S AdarshManipal Hospitals, Old Airport Road, Bengaluru, Karnataka, India.
Swati JadhavDepartment of Endocrinology, Vydehi Institute of Medical Sciences and Research Center, Bengaluru, Karnataka, India.
Parvathy LalithaAster Medcity, Kochi, Kerala, India.
Sandhya NairSenior Manager - Variant Interpretation, MedGenome Labs Ltd, Bengaluru, Karnataka, India.
Shaila BhattacharyyaManipal Hospitals, Old Airport Road, Bengaluru, Karnataka, India.
Anurag LilaDepartment of Endocrinology, Seth Gordhandas Sunderdas Medical College and King Edward Memorial Hospital, Mumbai, Maharashtra, India.
Vijaya SarathiDepartment of Endocrinology, Vydehi Institute of Medical Sciences and Research Center, Bengaluru, Karnataka, India.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Introduction: Hypophosphatasia (HPP) is a rare disorder, with only two genetically proven cases reported from India. Here, We report five Indian patients with genetically proven hypophosphatasia and describe their clinical, biochemical, and genetic profiles. Methods: The study included patients with genetically proven hypophosphatasia managed at different healthcare centers in South India. The participants' case records were reviewed, and relevant phenotypic and genotypic information was collected and analyzed. Results: Case 1 presented at 4 months of age for failure to thrive, found to have persistent hypercalcemia for which she received bisphosphonate therapy. A low alkaline phosphatase was recognized later. Case 2 presented during adolescence with bilateral genu valgus and delayed dentition with classical tongue-like translucencies on radiology and low alkaline phosphatase. Genetic evaluation in cases 1 and 2 revealed compound heterozygous variants in the Conclusions: In the largest case series of hypophosphatasia from India, we report five cases of hypophosphatasia with two novel variants. Our study emphasizes the need to increase awareness regarding the disease to improve its early diagnosis and also, the need to form strategies to reduce the challenges in obtaining enzyme replacement therapy for hypophosphatasia in India.

Indexed as

ALPL genehypophosphatasiaIndia

Identifiers

PMID40416455
PMCPMC12101758

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