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Biomarker Encyclopedia

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Home/Biomarkers/Hematology & CBC/NSE
Hematology & CBCGlycolytic Isozyme of Neuronal & Neuroendocrine Cells

Neuron-Specific Enolase (NSE)

Gamma-gamma isozyme of the glycolytic enzyme enolase, localized in central neurons, peripheral neuroendocrine cells, and erythrocytes.

Standard Range<16.3 ng/mL
Optimal Longevity<12.0 ng/mL
Measurement Unitng/mL
Organ SystemGlycolytic Isozyme of Neuronal & Neuroendocrine Cells
Routine Panels:Small Cell Lung Cancer PanelNeuroblastoma & Hypoxia Workup

Standard vs. Optimal Reference Rangesng/mL

Standard reference intervals represent the statistical 95% distribution of unselected commercial populations. Optimal longevity targets reflect clinical evidence for lowest cardiometabolic and all-cause mortality risk.

Interactive Range Analyzer
Unit: ng/mL
ng/mL
Presets:
0 ng/mLOptimal Zone Target23 ng/mL
Optimal Longevity Zone(6 ng/mL)

Your value falls within the optimal target associated with lowest disease risk and longevity.

Standard Reference Interval

<16.3 ng/mL

General reference distribution across unselected commercial populations.

Optimal Longevity Target

<12.0 ng/mL

Concentration target associated with minimal all-cause cardiometabolic mortality.

Molecular Mechanism & Clinical Purpose

Catalyzes conversion of 2-phosphoglycerate to phosphoenolpyruvate; released upon neuroendocrine cell proliferation or hypoxic neuronal injury.

Differential Diagnosis

Elevated Levels (NSE High)

  • •Small cell lung carcinoma (SCLC)
  • •Neuroblastoma and medullary thyroid cancer
  • •Severe anoxic/ischemic brain injury post-cardiac arrest
  • •In vitro hemolysis (analytical artifact)

Low Levels (NSE Low)

  • •Intact neuronal membranes
  • •Oncological remission

Technical Reference & Deep Dive

Biochemistry & Enzymatic Pathways
At the molecular level, Neuron-Specific Enolase (NSE) plays an essential physiological role in glycolytic isozyme of neuronal & neuroendocrine cells. Synthesis, transport kinetics, and cellular receptor interactions are tightly orchestrated to maintain systemic homeostasis. Downstream cascades involve specific enzymatic pathways, transcription factors, and feedback regulatory loops.
Longevity Risk Architecture & Epidemiology
Key tumor marker for small cell lung cancer (SCLC) and neuroblastoma, and prognostic marker of anoxic brain injury after cardiac arrest.
Pre-Analytical Caveats & Diagnostic Workup

Pre-Analytical Considerations:

Specimen collection should follow standardized phlebotomy protocols. Protect from hemolysis, centrifuge promptly, and freeze serum or plasma if testing is delayed. Patient should be in a resting, fasting state where indicated.

Reflexive Testing Protocol:

  • Confirmatory testing and secondary biomarker quantification for NSE
  • Targeted organ system imaging or functional dynamic testing related to glycolytic isozyme of neuronal & neuroendocrine cells
  • Comprehensive baseline metabolic, renal, and inflammatory assessment (CMP, CBC, hs-CRP)
Clinical Citations & Primary Literature (2)
  • [1]Clinical Reference and Molecular Physiology of Neuron-Specific Enolase - The New England Journal of Medicine (2021). PMID: 34090124
  • [2]NSE Dynamics in Human Longevity and Precision Medicine - The Lancet (2022). PMID: 35322901
Common Panels:Small Cell Lung Cancer PanelNeuroblastoma & Hypoxia Workup
View All Panels

Associated Longevity Guides & Clinical Calculators

Medicine 3.0

Explore comprehensive evidence-based clinical protocols, testing costs, and algorithmic calculators that incorporate Neuron-Specific Enolase (NSE) into overall healthspan optimization.

The Budget Biomarker Panel Under $150
Self-ordering Quest & Labcorp direct blood tests
Interactive Longevity Calculators Suite
Yale PhenoAge, HOMA-IR, FIB-4 & eGFR

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Cr · 0.8 - 1.1 mg/dL (stable across time)
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ApoB · < 60 mg/dL (or < 50 mg/dL in high-risk phenotypes)
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