Galectin-3 with NT-proBNP Blood Test

Item # LC100031

Galectin-3 with NT-proBNP Blood Test  - Life Extension

Galectin-3 with NT-proBNP Blood Test

Item # LC100031

This test checks for galectin-3, a marker for heart failure, and NT-proBNP, which, if high, often suggests the presence of a heart disorder.

This panel contains the following tests:

  • Galectin-3
  • N-terminal fragment B-type natriuretic peptide (NT-proBNP)

Are you worried about developing cardiovascular disease, cancer, or other degenerative diseases? In 2012, the CDC estimated that 5.8 million people in the United States have heart failure, resulting in one of the most common reasons people aged 65 and over are hospitalized.1

A key new biomarker is on the stage to help you gain a more accurate picture of your risk called galectin-3. In 2011, a groundbreaking galectin-3 study involving over 8,000 people was presented at a European conference. The results of this study showed that elevated serum galectin-3 increased overall mortality three-fold in the general population.2

We all know what happens when we cut ourselves; our skin thickens and the healing process forms a scar. But what about internal scarring due to inflammation? Our bodies react in the same way they do when we cut ourselves by forming excess tissue. This internal scarring process is called fibrosis, which can stiffen tissue and damage organs, especially the heart. Fibrosis of the heart can eventually lead to heart failure which means the heart isn’t able to efficiently pump blood and oxygen through your body. The heart compensates by beating faster which causes itself to wear out quicker than normal.

Although galectin-3 has long been used as a marker for heart failure; developing research also demonstrates that this glycoprotein may serve as a signaling molecule for cancer cell adhesion and even metastasis. Galectin-3 aids in regulating the cell cycle, orchestrating cell growth and facilitating cell to cell communication. However, if left uncontrolled, this “Velcro™ like protein” encourages cancer cells to aggregate and bind to surrounding tissues resulting in chronic inflammation and metastasis.3

If we think of galectin-3 as a trigger for fibrosis that leads to heart disease and cancer, along with other inflammatory degenerative diseases, then it makes sense to add a second biomarker that gives focus to our heart’s structure and function.

B-type natriuretic peptide (BNP) is a small protein secreted by the ventricles of the heart in response to excessive stretching of the heart muscles cells (myocytes). BNP is secreted into the blood when your heart is working hard. The N-terminal fragment of BNP is a highly sensitive marker for cardiac dysfunction. An elevated NT-proBNP level frequently indicates the presence of an underlying cardiac disorder. It can even identify people with structural heart disease and cardiac dysfunction before symptoms begin.4-8 Even relatively low levels of NT-proBNP may be considered an index of increased cardiovascular risk since NT-proBNP abnormalities correlate well with development of progressive atherosclerosis.9


Fasting is not required for this test. Take all medications as prescribed.


  1. National Heart Lung and Blood Institute. People Science Health. What is heart failure? [Accessed February 2012].
  2. Rudolf A. deBoer, Dirk J. Van Veldhuisen, Ron T. Gansevoort, Anneke C. Muller Kobold, Herman H.W. Silljé, Wiek H. Van Gilst, Hans L. Hillege, Stephan J.L. Bakker, Pim Van Der Harst. (2011). Galectin-3, cardiovascular risk factors, and outcome in the general population.
  3. Ahmed H, Guha P, Kaptan E, Bandyopadhyaya G. Galectin-3: a potential target for cancer prevention. Trends Carbohydr Res. 2011;3(2):13-22. PubMed PMID: 25484847
  4. Paget, V., Legedz, L., Gaudebout, N., Girerd, N., Bricca, G. et al. (2011). N-terminal pro-brain natriuretic peptide: a powerful predictor of mortality in hypertension. Hypertension 57(4), 702-709.
  5. Kistorp, C., Raymond, I., Pedersen, F., Gustafsson, F., Faber, J. et al. (2005). N-terminal pro-brain natriuretic peptide, C-reactive protein, and urinary albumin levels as predictors of mortality and cardiovascular events in older adults. JAMA 293(13), 1609-1616.
  6. Omland, T., Sabatine, M.S., Jablonski, K.A., Rice, M.M., Hsia, J. et al. (2007). Prognostic value of B-Type natriuretic peptides in patients with stable coronary artery disease: the PEACE Trial. J Am Coll Cardiol 50(3), 205-214.
  7. McKie, P.M., Rodeheffer, R.J., Cataliotti, A., Martin, F.L., Urban, L.H. et al. (2006). Amino-terminal pro-B-type natriuretic peptide and B-type natriuretic peptide: biomarkers for mortality in a large community-based cohort free of heart failure. Hypertension 47(5), 874-880.
  8. de Antonio, M., Lupon, J., Galan, A., Vila, J., Urrutia, A. et al. (2012). Combined use of high-sensitivity cardiac troponin T and N-terminal pro-B type natriuretic peptide improves measurements of performance over established mortality risk factors in chronic heart failure. Am Heart J 163(5), 821-828.
  9. Seino Y, Ogawa A, Yamashita T et al. Application of NT-proBNP and BNP measurements in cardiac care: a more discerning marker for the detection and evaluation of heart failure. Eur J Heart Fail 2004 March 15;6(3):295-300.
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Galectin-3 with NT-proBNP Blood Test


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