---
library_name: pyaging
tags:
- pyaging
- aging-clock
- biology
- dna-methylation
---

# dnamtl

Elastic-net blood DNA-methylation estimator of measured leukocyte telomere length, using 140 CpGs shared by the Illumina 450K and EPIC arrays and returning kilobases.

Model weights retain the original authors' terms; the pyaging software license does not relicense them.

| | |
|---|---|
| **Predicts** | leukocyte telomere length |
| **Species** | Homo sapiens |
| **Tissue** | whole blood |
| **Data type** | DNA methylation |
| **Model type** | elastic net regression |
| **Year** | 2019 |

## Use with pyaging

```python
import pyaging as pya

pya.pred.predict_age(adata, ["dnamtl"])
```

Browse every clock in the [pyaging Clock Catalogue](https://pyaging.readthedocs.io).

## Citation

Lu, A. T., et al. "DNA methylation-based estimator of telomere length." Aging 11.16 (2019): 5895-5923.

https://doi.org/10.18632/aging.102173