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[Secretion of tumor necrosis factor alpha (TNF-alpha) by peripheral blood monocytes in patients with multiple
K Piotrowska1, J Korlak, J Kruszewska
1Zakładu Genetyki, Instytutu Psychiatrii i Neurologii, Warszawie.
Abstract:
TNF alpha production by peripheral blood monocytes was studied in seventeen patients with a recent exacerbation of MS, thirteen with remission of MS and fourteen patients with SSPE. Monocytes from both MS groups spontaneously secreted high amounts of TNF alpha in vitro. Addition of lipopolisaccharide could not stimulate further synthesis of TNF alpha. In SSPE spontaneous and stimulated TNF alpha release did not differ from that in the control group. The observed changes in TNF alpha release in MS patients could play a role in the pathogenesis of the disease.
Insights
Patients with Multiple Sclerosis (MS) showed elevated Tumor Necrosis Factor-alpha (TNF alpha) production from monocytes. This heightened TNF alpha release in MS may contribute to the disease
Area of Science:
- Immunology
- Neuroscience
Background:
- Multiple Sclerosis (MS) is a chronic inflammatory disease of the central nervous system.
- Tumor Necrosis Factor-alpha (TNF alpha) is a pro-inflammatory cytokine implicated in various autoimmune conditions.
Purpose of the Study:
- To investigate TNF alpha production by peripheral blood monocytes in patients with MS.
- To compare TNF alpha levels in MS patients during exacerbation and remission phases.
- To assess TNF alpha release in Subacute Sclerosing Panencephalitis (SSPE) as a comparison.
Main Methods:
- Monocytes were isolated from peripheral blood of patients with MS (exacerbation and remission), SSPE, and controls.
- Spontaneous and lipopolysaccharide-stimulated TNF alpha production in vitro was measured.
Main Results:
- Monocytes from both MS groups (exacerbation and remission) spontaneously secreted significantly higher amounts of TNF alpha compared to controls.
- Lipopolysaccharide stimulation did not further increase TNF alpha production in MS monocytes.
- TNF alpha release in SSPE patients did not differ from the control group.
Conclusions:
- Elevated spontaneous TNF alpha production by monocytes is a characteristic feature in patients with Multiple Sclerosis.
- These findings suggest a potential role for dysregulated TNF alpha in the pathogenesis of MS.