Musculoskeletal and neurocognitive clinical significance of adult hypophosphatasia

Hypophosphatasia (HPP), also called Rathbun disease, is a rare genetic disorder that is caused by the loss-of-function mutation in the ALPL gene encoding tissue non-specific alkaline phosphatase. Doctor Rathbun first described the case of a 3-week-old infant who presented with severe osteopenia, ric...

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Main Authors: Se-Min Kim, Funda Korkmaz, Steve Sims, Vitaly Ryu, Tony Yuen, Mone Zaidi
Format: Article
Language:English
Published: Elsevier 2023-12-01
Series:Osteoporosis and Sarcopenia
Online Access:http://www.sciencedirect.com/science/article/pii/S2405525523001152
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author Se-Min Kim
Funda Korkmaz
Steve Sims
Vitaly Ryu
Tony Yuen
Mone Zaidi
author_facet Se-Min Kim
Funda Korkmaz
Steve Sims
Vitaly Ryu
Tony Yuen
Mone Zaidi
author_sort Se-Min Kim
collection DOAJ
description Hypophosphatasia (HPP), also called Rathbun disease, is a rare genetic disorder that is caused by the loss-of-function mutation in the ALPL gene encoding tissue non-specific alkaline phosphatase. Doctor Rathbun first described the case of a 3-week-old infant who presented with severe osteopenia, rickets, and multiple radiographic fractures, and died shortly after of epileptic seizure and respiratory distress. The term “hypophosphatasia” was coined as the patients’ alkaline phosphatase levels were significantly low. Since then, our understanding of HPP has evolved, and now we appreciate causative genetic mutation and the broad spectrum of clinical presentation depending on the age of onset, severity, and skeletal involvement: perinatal, infantile, childhood, adult and odontohypophosphatasia. The new development of enzyme replacement with asfostase alfa has saved the lives of severe form of hypophosphatasia. However, it is still unclear and remains challenging how to manage adult HPP that often presents with mild and non-specific symptoms such as muscle pain, joint stiffness, fatigue, anxiety, or low bone mass, which are common in the general population and not necessarily attributed to HPP. In this review, we will present 3 unique cases of adult HPP and discuss the pathophysiology, clinical presentation particularly neuromuscular and neurocognitive symptoms and management of adult HPP.
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spelling doaj.art-16c06350067c4feaabe7803a5d555ffa2024-02-10T04:44:45ZengElsevierOsteoporosis and Sarcopenia2405-52552023-12-0194115120Musculoskeletal and neurocognitive clinical significance of adult hypophosphatasiaSe-Min Kim0Funda Korkmaz1Steve Sims2Vitaly Ryu3Tony Yuen4Mone Zaidi5Corresponding author. Center for Translational Medicine and Pharmacological Science, Icahn School of Medicine at Mount Sinai, 1 Gustave L. Levy Pl, New York, NY 10029, USA.; Center for Translational Medicine and Pharmacological Science, Icahn School of Medicine at Mount Sinai, New York, NY, USACenter for Translational Medicine and Pharmacological Science, Icahn School of Medicine at Mount Sinai, New York, NY, USACenter for Translational Medicine and Pharmacological Science, Icahn School of Medicine at Mount Sinai, New York, NY, USACenter for Translational Medicine and Pharmacological Science, Icahn School of Medicine at Mount Sinai, New York, NY, USACenter for Translational Medicine and Pharmacological Science, Icahn School of Medicine at Mount Sinai, New York, NY, USACenter for Translational Medicine and Pharmacological Science, Icahn School of Medicine at Mount Sinai, New York, NY, USAHypophosphatasia (HPP), also called Rathbun disease, is a rare genetic disorder that is caused by the loss-of-function mutation in the ALPL gene encoding tissue non-specific alkaline phosphatase. Doctor Rathbun first described the case of a 3-week-old infant who presented with severe osteopenia, rickets, and multiple radiographic fractures, and died shortly after of epileptic seizure and respiratory distress. The term “hypophosphatasia” was coined as the patients’ alkaline phosphatase levels were significantly low. Since then, our understanding of HPP has evolved, and now we appreciate causative genetic mutation and the broad spectrum of clinical presentation depending on the age of onset, severity, and skeletal involvement: perinatal, infantile, childhood, adult and odontohypophosphatasia. The new development of enzyme replacement with asfostase alfa has saved the lives of severe form of hypophosphatasia. However, it is still unclear and remains challenging how to manage adult HPP that often presents with mild and non-specific symptoms such as muscle pain, joint stiffness, fatigue, anxiety, or low bone mass, which are common in the general population and not necessarily attributed to HPP. In this review, we will present 3 unique cases of adult HPP and discuss the pathophysiology, clinical presentation particularly neuromuscular and neurocognitive symptoms and management of adult HPP.http://www.sciencedirect.com/science/article/pii/S2405525523001152
spellingShingle Se-Min Kim
Funda Korkmaz
Steve Sims
Vitaly Ryu
Tony Yuen
Mone Zaidi
Musculoskeletal and neurocognitive clinical significance of adult hypophosphatasia
Osteoporosis and Sarcopenia
title Musculoskeletal and neurocognitive clinical significance of adult hypophosphatasia
title_full Musculoskeletal and neurocognitive clinical significance of adult hypophosphatasia
title_fullStr Musculoskeletal and neurocognitive clinical significance of adult hypophosphatasia
title_full_unstemmed Musculoskeletal and neurocognitive clinical significance of adult hypophosphatasia
title_short Musculoskeletal and neurocognitive clinical significance of adult hypophosphatasia
title_sort musculoskeletal and neurocognitive clinical significance of adult hypophosphatasia
url http://www.sciencedirect.com/science/article/pii/S2405525523001152
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