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Related Concept Videos

Inborn Errors of Metabolism01:20

Inborn Errors of Metabolism

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Phenylketonuria (PKU) is a protein metabolism disorder characterized by high blood levels of the amino acid phenylalanine. This results from a mutation in the gene responsible for phenylalanine hydroxylase, an enzyme that converts phenylalanine into tyrosine. When this enzyme is deficient, phenylalanine builds up in the blood, leading to symptoms such as vomiting, rashes, seizures, growth deficiency, and severe mental retardation. An early diagnosis and a diet restricting phenylalanine intake...
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Overview of Protein Metabolism01:21

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Proteins are broken down into amino acids during digestion. Unlike fats and carbohydrates, which are stored for later use, proteins are not. Instead, amino acids are either used to produce ATP through oxidation or contribute to the creation of new proteins for the growth and repair of the body. Any surplus amino acids from the diet are converted into glucose or triglycerides rather than excreted.
Amino acids play various roles in the body once they are absorbed into cells. They are restructured...
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Emerging biosensors in Phenylketonuria.

Ritika Shyam1, Himanshu Sekhar Panda2, Jibanananda Mishra3

  • 1University Institute of Pharma Sciences, Chandigarh University, Gharuan, Mohali, Punjab 140413, India.

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Phenylketonuria (PKU) is a metabolic disorder impacting phenylalanine metabolism. Emerging bio/nano sensors offer a promising, accurate, and cost-effective alternative for PKU diagnosis, overcoming current limitations.

Keywords:
DiagnosisHyperphenylalaninemiaPhenylalaninePhenylalanine hydroxylasePhenylketonuriaSensors

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Area of Science:

  • Biochemistry
  • Genetics
  • Medical Diagnostics

Background:

  • Phenylketonuria (PKU) is an inherited metabolic disorder caused by deficient phenylalanine hydroxylase (PAH) activity, leading to phenylalanine buildup.
  • PKU management involves strict dietary protein restriction and specialized supplements, but current diagnostic methods face accuracy and logistical challenges.

Purpose of the Study:

  • To review current treatment and diagnostic strategies for PKU.
  • To highlight the potential of novel bio/nano sensors for improved PKU diagnosis.

Main Methods:

  • Review of existing literature on PKU treatments and diagnostic techniques.
  • Analysis of limitations in current diagnostic assays like bacterial inhibition and mass spectrometry.
  • Exploration of bio/nano sensor technology for PKU detection.

Main Results:

  • Current PKU diagnosis faces challenges with antibiotic interference and complex monitoring methods.
  • Bio/nano sensors demonstrate potential for cost-effective, rapid, accurate, and sensitive PKU detection.
  • Diverse sensor applications are emerging as viable alternatives for PKU diagnosis.

Conclusions:

  • Despite advancements, PKU diagnosis and monitoring require more efficient and accurate methods.
  • Bio/nano sensors represent a significant advancement in addressing the limitations of current PKU diagnostic tools.
  • Further development and implementation of sensor technologies could revolutionize PKU management.