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Updated: Sep 28, 2025

One-step Metabolomics: Carbohydrates, Organic and Amino Acids Quantified in a Single Procedure
Published on: June 25, 2010
Current Scenario of Clinical Diagnosis to Identify Inborn Errors of Metabolism with Precision Profiling for Expanded
Sukhes Mukherjee1, Ashwin Kotnis1, Suman Kumar Ray2
1Department of Biochemistry, All India Institute of Medical Sciences, Bhopal, Madhya Pradesh-462020, India.
Insights
Inborn errors of metabolism (IEM) are rare genetic diseases needing early diagnosis for life-saving treatment. This review details IEM diagnosis and management, especially in resource-limited settings.
Area of Science:
- Pediatric Genetics
- Metabolic Disorders
- Clinical Diagnostics
Background:
- Inborn errors of metabolism (IEM) represent a group of rare genetic diseases causing significant childhood morbidity and mortality.
- Early and accurate diagnosis of IEM is critical for effective intervention and improved patient outcomes.
- Advances in metabolomics and genomic analysis are identifying novel IEMs, yet data acquisition for clinical trials remains challenging.
Purpose of the Study:
- To provide a comprehensive overview of Inborn Errors of Metabolism (IEM).
- To describe diagnostic approaches for IEM in patients presenting with early or late clinical signs.
- To emphasize the utility of standard laboratory tests in preliminary assessments, particularly in resource-limited settings.
Main Methods:
- Review of current literature on Inborn Errors of Metabolism.
- Description of diagnostic strategies including clinical assessment and laboratory testing.
- Discussion of therapeutic advancements and management guidelines.
Main Results:
- Standard laboratory outcomes are crucial for preliminary patient assessment and guiding specific diagnostic tests.
- Timely diagnosis and treatment initiation are emphasized, even without advanced genomic analysis or newborn screening.
- Guidelines enhance treatment delivery and clinical outcomes for rare metabolic diseases.
Conclusions:
- This article offers a detailed guide to IEM diagnosis and management.
- It highlights the importance of strategic laboratory test selection for timely diagnosis and treatment.
- Effective management strategies are crucial for reducing the impact of IEM on affected children and their families.
Abstract:
Inborn errors of metabolism (IEM) are a diverse collection of abnormalities that cause a variety of morbidities and mortality in children and are classified as uncommon genetic diseases. Early and accurate detection of the condition can save a patient's life. By aiding families as they navigate the experience of having a child with an IEM, healthcare practitioners have the chance to reduce the burden of negative emotional consequences. New therapeutic techniques, such as enzyme replacement and small chemical therapies, organ transplantation, and cellular and gene-based therapies using whole-genome sequencing, have become available in addition to traditional medical intake and cofactor treatments. In the realm of metabolic medicine and metabolomics, the twentyfirst century is an exciting time to be alive. The availability of metabolomics and genomic analysis has led to the identification of a slew of novel diseases. Due to the rarity of individual illnesses, obtaining high-quality data for these treatments in clinical trials and real-world settings has proven difficult. Guidelines produced using standardized techniques have helped enhance treatment delivery and clinical outcomes over time. This article gives a comprehensive description of IEM and how to diagnose it in patients who have developed clinical signs early or late. The appropriate use of standard laboratory outcomes in the preliminary patient assessment is also emphasized that can aid in the ordering of specific laboratory tests to confirm a suspected diagnosis, in addition, to begin treatment as soon as possible in a resource limiting setting where genomic analysis or newborn screening facility is not available.
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