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P1NP

Procollagen Type I N-Terminal Propeptide · PINP

Knochen & MineralogieZeitabhängig
Einheit:
µg/L

P1NP quantifies the rate of new bone formation by measuring the N-terminal propeptide of type I procollagen.

Reference Ranges

Reference
2076µg/L
20
76
LowNormalHigh
Reference
Unit · µg/L

Reference ranges may vary based on age, sex, and menopausal status. Fasting and time-of-day can influence levels.

Overview

Übersicht

Procollagen Type I N-Terminal Propeptide (P1NP) is a biochemical marker of bone formation. It is released during the synthesis of type I collagen, the primary collagen found in bone. P1NP is considered a reference marker for bone turnover, providing insights into the rate of new bone formation. Clinically, P1NP is significant in the assessment and management of osteoporosis. Elevated levels of P1NP are associated with increased bone turnover, which can indicate conditions such as osteoporosis or Paget's disease. Conversely, low levels may suggest reduced bone formation, potentially due to conditions like osteomalacia. In the context of athletic performance and biohacking, P1NP can be used to monitor bone health and the effects of interventions aimed at enhancing bone density and strength. It may also be of interest in longevity research, as maintaining bone health is crucial for aging populations. Researchers have observed that P1NP levels can be influenced by factors such as circadian rhythms, fasting status, and renal function. Therefore, standardized sample collection protocols are essential to ensure accurate and reliable measurements. Time-of-day variations and dietary influences should be considered when interpreting results.

Klinische Bedeutung

Elevated P1NP levels indicate increased bone formation, often seen in conditions like osteoporosis or during bone healing. Reduced P1NP levels may suggest decreased bone formation, which can occur in metabolic bone diseases such as osteomalacia.

Dynamics

Trend Interpretation

Rising Values

Progressively rising P1NP values suggest increased bone formation, which may indicate active bone remodeling or response to osteoporosis treatment. Re-test in 3-6 months to monitor trends.

Falling Values

Progressively falling P1NP values may suggest reduced bone formation, potentially due to effective anti-resorptive therapy or underlying metabolic bone disease.

Re-test Interval

6 months if outside optimal range

Etiology

Causes — High & Low

Cause

Elevated Levels

  • Osteoporosis
  • Paget's disease
  • Bone healing
  • Hyperparathyroidism
  • High-dose vitamin D supplementation
Cause

Low Levels

  • Osteomalacia
  • Hypoparathyroidism
  • Chronic kidney disease
  • Malnutrition
  • Prolonged immobilization
Protocol

How to Optimize

Lever

Lifestyle

  • Regular weight-bearing exercise
  • Adequate sun exposure
  • Smoking cessation
Lever

Nutrition

  • Calcium-rich foods
  • Vitamin D-rich foods
  • Balanced diet with adequate protein
Lever

Supplementation

  • Calcium supplements
  • Vitamin D supplements

Note:

Consult a healthcare provider before starting any supplementation, especially if you have underlying health conditions.

Testing Guidelines

Fasting Not Required
🕐Time-Sensitive

Levels may vary throughout the day; morning samples are preferred for consistency.

Testing Frequency

Annually for monitoring osteoporosis; more frequently if undergoing treatment.

Interfering Factors

  • Recent intense exercise
  • Renal impairment
  • High-dose vitamin D supplementation

Related Peptides & Hormones

hormone or peptide

Open Research Questions

Current research suggests that the interaction of P1NP with other risk factors for fracture risk has not been sufficiently studied, limiting its incorporation into fracture risk algorithms. Researchers have not yet established standardized reference ranges for P1NP across diverse populations, nor the optimal targets for monitoring treatment response. Additionally, clinical questions remain unanswered regarding the effects of nutritional interventions on P1NP levels and their implications for bone health in various patient demographics.

26 Research Publications

1,405

Total Citations

10

Human/RCT

14.6

Avg. Influence

2024

Latest

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#01

Markers of bone turnover for the prediction of fracture risk and monitoring of osteoporosis treatment: a need for international reference standards.

ReviewInfluence61.0
1101
Researchers found that bone turnover markers, including P1NP, can predict fracture risk and monitor osteoporosis treatment. The study emphasized the importance of using standardized assays for these markers to enhance their clinical utility. There is a need for stronger evidence to support their use in clinical practice.
View on PubMed
#02

Calcium and Bone Metabolism Indices.

ReviewInfluence5.0
125
Researchers discussed the critical roles of calcium and phosphate in bone metabolism and the potential of bone turnover markers like P1NP in predicting fracture risk. The study highlighted the need for standardized protocols for measuring these markers to improve diagnostic accuracy in metabolic bone diseases.
View on PubMed
#03

Lower serum P1NP/βCTX ratio and hypoalbuminemia are independently associated with osteoporotic nonvertebral fractures in older adults.

Human
31
Researchers observed that a lower serum P1NP/βCTX ratio and hypoalbuminemia are independently associated with an increased prevalence of nonvertebral fractures in older adults. The study indicated that these markers could serve as useful prognostic tools for fracture risk stratification in the elderly population.
View on PubMed
#04

Serum Procollagen Type I N-Terminal Propeptide and Osteocalcin Levels in Korean Children and Adolescents.

HumanInfluence1.0
27
Researchers established reference data for P1NP and osteocalcin levels in healthy Korean children and adolescents. They found significant age-dependent variations in P1NP levels, which peaked in infancy and decreased until puberty. This study provides valuable insights for diagnosing skeletal diseases in pediatric populations.
View on PubMed
#05

Biomarkers for Prostate Cancer Bone Metastasis Detection and Prediction.

ReviewInfluence4.0
26
This article summarized the significance of various biomarkers, including P1NP, in detecting bone metastasis in prostate cancer. Researchers noted that while some biomarkers are already in clinical use, others require further validation to establish their clinical utility.
View on PubMed
#06

Bone Turnover Markers in Children: From Laboratory Challenges to Clinical Interpretation.

ReviewInfluence2.0
24
Researchers found that bone turnover markers (BTMs) in children and adolescents differ from adults due to growth and remodeling processes. This study highlighted the limited clinical use of BTMs in pediatrics due to age- and gender-specific challenges. It also discussed the physiological and pathological modifications of BTMs in younger populations.
View on PubMed
#07

Harmonization of commercial assays for PINP; the way forward.

Unknown
17
This study investigated the harmonization of commercial assays for measuring P1NP. Researchers found that two automated methods provided similar results, but significant bias existed with another assay. The study suggests that harmonization could improve the reliability of P1NP measurements in clinical practice.
View on PubMed
#08

Salivary nitrate prevents osteoporosis via regulating bone marrow mesenchymal stem cells proliferation and differentiation.

Animal
12
This study explored the effects of saliva nitrate on bone metabolism and its potential role in preventing osteoporosis. Researchers observed that nitrate administration increased P1NP levels in osteopenic mice, suggesting a protective effect on bone health through enhanced bone formation.
View on PubMed
#09

The role of advanced glycation end products in fracture risk assessment in postmenopausal type 2 diabetic patients.

Human
11
This study analyzed the relationship between advanced glycation end products (AGEs) and fracture risk in postmenopausal type 2 diabetic patients. Researchers found that higher AGEs levels were associated with increased fracture risk, while lower P1NP levels correlated with osteoporosis. The findings suggest that AGEs may play a role in bone metabolism disorders.
View on PubMed
#10

Advances in Bone Turnover Markers (PINP and CTX) in Optimizing Anti-resorptive and Anabolic Therapies Against Osteoporosis.

Review
7
Researchers reviewed the application of bone turnover markers, including P1NP, in optimizing treatments for osteoporosis. The study found that changes in these markers can indicate treatment efficacy and help evaluate fracture risk across various therapeutic approaches. The findings suggest that monitoring BTMs could enhance treatment outcomes.
View on PubMed

Publication Trend

Research publications about P1NP over time

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This page is for informational and research purposes only. All information is based on published scientific literature and does not constitute medical advice, diagnosis, or treatment recommendations. Many substances listed may not be approved for human use and may be subject to drug regulation laws (e.g., AMG in Germany, FDA in the US). PepStack does not encourage the use of any substance on humans. Always consult a qualified healthcare professional before making any health-related decisions. Use of this information is entirely at your own risk. PepStack assumes no liability for the accuracy, completeness, or timeliness of the content provided. Full disclaimer