نتایج جستجو برای: free light chains
تعداد نتایج: 964445 فیلتر نتایج به سال:
Factors influencing the rate of reverse intersystem crossing (krISC ) in thermally activated delayed fluorescence (TADF) emitters are critical for improving the efficiency and performance of third-generation heavy-metal-free organic light-emitting diodes (OLEDs). However, present understanding of the TADF mechanism does not extend far beyond a thermal equilibrium between the lowest singlet and ...
Background: Waldenstrom macroglobulinemia is a lymphoplasmacytic lymphoma with elevated serum immunoglobulin M and multi-organ involvement. Primary systemic amyloidosis usually develops due to immunoglobulin light chains depositions in different organs due to an underlying gammopathy. Case presentation: Our patient was an 86-year-old man with macroglossia, ecchymotic patches and bullous lesion...
The relative lability of the interchain disulphide bonds of mouse G(2a)-myeloma protein 5563 was studied as a function of 2-mercaptoethanol concentration. Analysis of partial-reduction mixtures by polyacrylamide-gel electrophoresis and microdensitometry showed that the disulphide bonds between light and heavy chains are much more susceptible to reduction than the bonds between heavy chains. At ...
INTRODUCTION P lasma cell dyscrasias such as multiple myeloma (MM) result from clonal proliferation of plasma cells and subsequent overproduction of Igs, including free light chains. Renal dysfunction is a core manifestation of plasma cell dyscrasias. A broad range of kidney pathologies can occur, including light chain cast nephropathy, monoclonal Ig deposition disease, light chain amyloidosis,...
Lymphocytes from a patient with chronic lymphocytic leukaemia were found to contain crystalline inclusions in the cytoplasm. These crystals were characterised as IgMlambda immunoglobulin. The cells did not have detectable surface immunoglobulin. No paraprotein was detected in the serum and no excess of immunoglobulin was detected in the urine. The cells incorporated radioactive leucine into mu ...
BACKGROUND Immunoglobulin light chains are classified as middle molecule uremic toxins able to interact with B lymphocyte membranes leading to the activation of transmembrane signaling. The ensuing impairment of neutrophil function can contribute to the chronic inflammation state of uremic patients, and the increased risk of bacterial infections or vascular calcifications. The aim of this cross...
We report a patient with AH amyloidosis associated with lymphoplasmacytic leukemia that has remained in a stable state with a nephrotic syndrome for 17 months since the commencement of cyclic rituximab therapy aimed at suppression of pathogenetic gamma heavy chains. Free light chains in serum and CD20-positive cells in peripheral blood were useful as hematological markers in the patient. Rituxi...
AL amyloidosis is characterized by fibrillar tissue deposits (amyloid) composed of monoclonal light chains secreted by small numbers of indolent bone marrow plasma cells whose ontogenesis is unknown. To address this issue and to provide insights into the processes that accompanied pathogenic light chain formation, we isolated the complete variable (V) regions of 14 light (VL) and 3 heavy (VH) c...
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