Identification of serum biomarkers for aging and anabolic response

Camellia Banerjee, Jagadish Ulloor, Edgar Dillon, Qusai Dahodwala, Brittani Franklin, Thomas Storer, Paola Sebastiani, Melinda Sheffield-Moore, Randall Urban, Shalender Bhasin, Monty Montano

Research output: Contribution to journalArticle

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Abstract

Objective: With the progressive aging of the human population, there is an inexorable decline in muscle mass, strength and function. Anabolic supplementation with testosterone has been shown to effectively restore muscle mass in both young and elderly men. In this study, we were interested in identifying serum factors that change with age in two distinct age groups of healthy men, and whether these factors were affected by testosterone supplementation.Methods: We measured the protein levels of a number of serum biomarkers using a combination of banked serum samples from older men (60 to 75 years) and younger men (ages 18 to 35), as well as new serum specimens obtained through collaboration. We compared baseline levels of all biomarkers between young and older men. In addition, we evaluated potential changes in these biomarker levels in association with testosterone dose (low dose defined as 125 mg per week or below compared to high dose defined as 300 mg per week or above) in our banked specimens.Results: We identified nine serum biomarkers that differed between the young and older subjects. These age-associated biomarkers included: insulin-like growth factor (IGF1), N-terminal propeptide of type III collagen (PIIINP), monokine induced by gamma interferon (MIG), epithelial-derived neutrophil-activating peptide 78 (ENA78), interleukin 7 (IL-7), p40 subunit of interleukin 12 (IL-12p40), macrophage inflammatory protein 1β (MIP-1β), platelet derived growth factor β (PDGFβ) and interferon-inducible protein 10 (IP-10). We further observed testosterone dose-associated changes in some but not all age related markers: IGF1, PIIINP, leptin, MIG and ENA78. Gains in lean mass were confirmed by dual energy X-ray absorptiometry (DEXA).Conclusions: Results from this study suggest that there are potential phenotypic biomarkers in serum that can be associated with healthy aging and that some but not all of these biomarkers reflect gains in muscle mass upon testosterone administration.

Original languageEnglish
Article number5
JournalImmunity and Ageing
Volume8
DOIs
StatePublished - Jun 20 2011

Fingerprint

Biomarkers
Testosterone
Serum
Interleukin-12 Subunit p40
Neutrophils
Chemokine CXCL10
Monokines
Macrophage Inflammatory Proteins
Interleukin-7
Muscles
Collagen Type III
Platelet-Derived Growth Factor
Photon Absorptiometry
Muscle Strength
Somatomedins
Leptin
Interferon-gamma
Age Groups
Population
Proteins

Keywords

  • Age
  • Biomarker
  • Testosterone

ASJC Scopus subject areas

  • Immunology
  • Aging

Cite this

Banerjee, C., Ulloor, J., Dillon, E., Dahodwala, Q., Franklin, B., Storer, T., ... Montano, M. (2011). Identification of serum biomarkers for aging and anabolic response. Immunity and Ageing, 8, [5]. https://doi.org/10.1186/1742-4933-8-5

Identification of serum biomarkers for aging and anabolic response. / Banerjee, Camellia; Ulloor, Jagadish; Dillon, Edgar; Dahodwala, Qusai; Franklin, Brittani; Storer, Thomas; Sebastiani, Paola; Sheffield-Moore, Melinda; Urban, Randall; Bhasin, Shalender; Montano, Monty.

In: Immunity and Ageing, Vol. 8, 5, 20.06.2011.

Research output: Contribution to journalArticle

Banerjee, C, Ulloor, J, Dillon, E, Dahodwala, Q, Franklin, B, Storer, T, Sebastiani, P, Sheffield-Moore, M, Urban, R, Bhasin, S & Montano, M 2011, 'Identification of serum biomarkers for aging and anabolic response', Immunity and Ageing, vol. 8, 5. https://doi.org/10.1186/1742-4933-8-5
Banerjee, Camellia ; Ulloor, Jagadish ; Dillon, Edgar ; Dahodwala, Qusai ; Franklin, Brittani ; Storer, Thomas ; Sebastiani, Paola ; Sheffield-Moore, Melinda ; Urban, Randall ; Bhasin, Shalender ; Montano, Monty. / Identification of serum biomarkers for aging and anabolic response. In: Immunity and Ageing. 2011 ; Vol. 8.
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AU - Sebastiani, Paola

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