InnoScan 1100 AL microarray scanner: new publication

Human CBL Deficiency Unveils Critical Role in B Cell Immunity

A new study published in Nature Immunology reveals that the E3 ubiquitin ligase CBL, while redundant in human T cells, is essential for B cell development and function. Researchers studied individuals with a rare somatic mutation causing CBL deficiency specifically in leukocytes. They found that CBL loss disrupts B cell maturation, leading to an accumulation of immature cells, impaired antibody production, and a breakdown of immune tolerance, resulting in autoantibodies and recurrent infections. Critically, the study used an InnoScan 1100AL microarray scanner to analyze HuProt protein microarrays. This allowed the team to profile autoantibodies in patient plasma, revealing a striking increase in reactivity against human proteins compared to healthy controls, thereby confirming a profound breakdown in B cell tolerance.

Keywords:

1. CBL deficiency
2.  B cell tolerance
3. Protein Microarray
4. InnoScan
5. Autoimmunity

Original publication: Human CBL Deficiency Unveils Critical Role in B Cell Immunity