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Updated: Jul 15, 2026
Expansion of Human Peripheral Blood γδ T Cells using Zoledronate
Published on: September 9, 2011
Pamidronate infusion in patients with systemic sclerosis results in changes in blood mononuclear cell cytokine
L D Carbone1, K J Warrington, K D Barrow
1Veterans Affairs Medical Center, Divisions of Connective Tissue Diseases, Department of Medicine, University of Tennessee, Memphis, TN 38163, USA. LCarbone@utmem.edu
Abstract:
A single infusion of pamidronate was given to patients with systemic sclerosis (scleroderma, SSc) to assess effects on cytokine production by peripheral blood mononuclear cells (PBMC) and lymphocyte subsets. Eighteen patients with SSc received a single intravenous dose of 60 mg of pamidronate and were followed for 6 months. Assessment of cytokine production [interferon (IFN)-gamma, interleukin (IL)-10, transforming growth factor (TGF)-beta1, tumour necrosis factor (TNF)-alpha and IL-4] by PBMC and lymphocyte subsets by flow cytometry was carried out before and after the pamidronate infusion. Unstimulated PBMC produced increased amounts of IFN-gamma and TNF-alpha and reduced levels of TGF-beta1 for up to 24 weeks after the infusion. gammadelta T cells from patients with SSc were activated in vitro and produced increased IFN-gamma. The effects of pamidronate on modulation of cytokine profiles in patients with SSc may merit future study.
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