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2016 ; 36 Suppl 1
(ä): 18-24
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Autophagy in Plasma Cell Ontogeny and Malignancy
#MMPMID26984755
Milan E
; Fabbri M
; Cenci S
J Clin Immunol
2016[May]; 36 Suppl 1
(ä): 18-24
PMID26984755
show ga
Autophagy is a highly conserved pathway that recycles cytosolic material and
organelles via lysosomal degradation. Once simplistically viewed as a
non-selective survival strategy in dire straits, autophagy has emerged as a
tightly regulated process ensuring organelle function, proteome plasticity, cell
differentiation and tissue homeostasis, with key roles in physiology and disease.
Selective target recognition, mediated by specific adapter proteins, enables
autophagy to orchestrate highly specialized functions in innate and adaptive
immunity. Among them, the shaping of plasma cells for sustainable antibody
production through a negative control on their differentiation program. Moreover,
memory B cells and long-lived plasma cells require autophagy to exist. Further,
the plasma cell malignancy, multiple myeloma deploys abundant autophagy,
essential for homeostasis, survival and drug resistance.