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Related Concept Videos

Glycosaminoglycans01:23

Glycosaminoglycans

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Glycosaminoglycans (GAGs), also known as mucopolysaccharides, are long and linear polymers comprising of specific repeating disaccharides - the amino sugar that can be N-acetylglucosamine or N-acetylgalactosamine, and a uronic acid that is usually glucuronic acid or iduronic acid.
GAGS are found in the extracellular matrix of vertebrates, invertebrates, and bacteria. Due to their polar nature they attract water, and serve as excellent lubricants or shock absorbers in an animal body.
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Glycans, a class of complex heterogeneous molecules, can be covalently attached to proteins to form glycosylated proteins that regulate various physiological and pathological processes. Glycosylated proteins or glycoproteins comprise N-linked and O-linked oligosaccharides. O-glycosylation is the most common type of protein glycosylation. Here, glycans attach to the oxygen atom of the hydroxyl groups of Serine or Threonine residues. O-linked glycosylation occurs later in protein processing,...
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Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
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The clinical conditions affecting the skeletal muscle tissue are broadly categorized as musculoskeletal and neuromuscular disorders.
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MUSCULOSKELETAL ALTERATIONS OF ORTHOPEDIC INTEREST IN MUCOPOLYSACCHARIDOSES.

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Summary
This summary is machine-generated.

Mucopolysaccharidoses (MPS) are genetic disorders causing skeletal deformities and impacting quality of life. Early diagnosis through recognizing bone and joint signs is vital for timely treatment and better patient management.

Keywords:
Functional IndependenceLimb Deformities, CongenitalMucopolysaccharidoses

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Area of Science:

  • Medical Genetics
  • Skeletal Dysplasias
  • Lysosomal Storage Diseases

Background:

  • Mucopolysaccharidoses (MPS) are lysosomal storage diseases resulting from enzyme deficiencies.
  • Glycosaminoglycan accumulation causes progressive cellular dysfunction and affects multiple organ systems.
  • Musculoskeletal involvement, including dysostoses and deformities, significantly impairs patients' motor function and quality of life.

Purpose of the Study:

  • To emphasize the orthopedic alterations in MPS.
  • To highlight radiographic features crucial for early diagnosis and differential diagnosis.
  • To improve the recognition and management of MPS among medical professionals.

Main Methods:

  • Review of existing literature on MPS.
  • Analysis of radiographic findings associated with orthopedic manifestations.
  • Synthesis of information for medical professionals, particularly orthopedists, radiologists, pediatricians, and geneticists.

Main Results:

  • MPS presents with characteristic osteoarticular signs, including spinal, thoracic, and limb deformities.
  • Radiographic assessment is essential for identifying these skeletal alterations.
  • Early identification of osteoarticular signs facilitates prompt treatment initiation.

Conclusions:

  • Despite pronounced skeletal manifestations, MPS is often underrecognized by specialists.
  • Detailed reviews focusing on radiographic aspects are needed for accurate diagnosis and management.
  • Improved recognition of orthopedic signs can lead to better patient outcomes in MPS.