The role of free kappa and lambda light chains in the pathogenesis and treatment of inflammatory diseases

Publication date: July 2017
Source:Biomedicine & Pharmacotherapy, Volume 91
Author(s): Mojgan Esparvarinha, Hamid Nickho, Hamed Mohammadi, Leili Aghebati-Maleki, Jalal Abdolalizadeh, Jafar Majidi
Kappa (κ) or lambda (λ) free light chains (FLCs) are produced from B cells during immunoglobulin synthesis. FLCs have been shown to participate in several key processes of immune responses. They are necessary to adjust PMN functions and assist PMN pre-stimulation. Moreover, they cause mast cell degranulation which releases pro-inflammatory mediators and stimulates local inflammatory responses in some conditions such as inflammatory bowel disease (IBD). Having low molecular weights which may straightly be toxic to proximal tubule cells (PTCs), FLCs can also have an important role in renal diseases. In this review we have highlighted the involvement of light chains in the pathogenesis of some inflammatory diseases and discussed their potential to be the targets of therapeutic purposes.



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