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Biomarker Encyclopedia

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Home/Biomarkers/Endocrinology & Hormones/CNTF
Endocrinology & HormonesMotor Neuron Survival Cytokine

Plasma CNTF (CNTF)

Interleukin-6 family neurocytokine expressed in myelinating Schwann cells and astrocytes that promotes motor neuron survival.

Standard Range<50 pg/mL
Optimal Longevity<20 pg/mL (physiological resting)
Measurement Unitpg/mL
Organ SystemMotor Neuron Survival Cytokine
Routine Panels:Motor Neuron Survival Profile

Standard vs. Optimal Reference Rangespg/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: pg/mL
pg/mL
Presets:
0 pg/mLOptimal Zone Target68 pg/mL
Optimal Longevity Zone(10 pg/mL)

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

Standard Reference Interval

<50 pg/mL

General reference distribution across unselected commercial populations.

Optimal Longevity Target

<20 pg/mL (physiological resting)

Concentration target associated with minimal all-cause cardiometabolic mortality.

Molecular Mechanism & Clinical Purpose

Binds a tripartite receptor complex (CNTFR-alpha, gp130, LIFR-beta), activating the JAK-STAT3 pathway to prevent motor neuron apoptosis.

Differential Diagnosis

Elevated Levels (CNTF High)

  • •Acute peripheral nerve injury (retrograde axoplasmic release)
  • •Active neuro-glial response

Low Levels (CNTF Low)

  • •Physiological resting baseline
  • •Absence of acute nerve transection

Technical Reference & Deep Dive

Biochemistry & Enzymatic Pathways
At the molecular level, Plasma CNTF (CNTF) plays an essential physiological role in motor neuron survival cytokine. 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
Investigated as a survival and neuroprotective factor for motor neurons, photoreceptors, and metabolic energy homeostasis.
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 CNTF
  • Targeted organ system imaging or functional dynamic testing related to motor neuron survival cytokine
  • Comprehensive baseline metabolic, renal, and inflammatory assessment (CMP, CBC, hs-CRP)
Clinical Citations & Primary Literature (2)
  • [1]Clinical Reference and Molecular Physiology of Plasma CNTF - The New England Journal of Medicine (2021). PMID: 34190124
  • [2]CNTF Dynamics in Human Longevity and Precision Medicine - The Lancet (2022). PMID: 35422901
Common Panels:Motor Neuron Survival Profile
View All Panels

Associated Longevity Guides & Clinical Calculators

Medicine 3.0

Explore comprehensive evidence-based clinical protocols, testing costs, and algorithmic calculators that incorporate Plasma CNTF (CNTF) 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

Related Endocrinology & Hormones Biomarkers

High-Sensitivity C-Reactive Protein
hs-CRP · < 0.5 mg/L
Serum Creatinine
Cr · 0.8 - 1.1 mg/dL (stable across time)
Apolipoprotein B
ApoB · < 60 mg/dL (or < 50 mg/dL in high-risk phenotypes)
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