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Russell bodies are inclusion bodies usually found in atypical plasma cells that become known as Mott cells. [1] Russell bodies are eosinophilic , homogeneous immunoglobulin (Ig)-containing inclusions usually found in cells undergoing excessive synthesis of Ig; the Russell body is characteristic of the distended endoplasmic reticulum .
Plasma cells with Dutcher and Russell bodies (H&E stain, 100×, oil) Plasma cells are large lymphocytes with abundant cytoplasm and a characteristic appearance on light microscopy. They have basophilic cytoplasm and an eccentric nucleus with heterochromatin in a characteristic cartwheel or clock face arrangement.
Inclusion bodies have a non-unit (single) lipid membrane [citation needed].Protein inclusion bodies are classically thought to contain misfolded protein.However, this has been contested, as green fluorescent protein will sometimes fluoresce in inclusion bodies, which indicates some resemblance of the native structure and researchers have recovered folded protein from inclusion bodies.
All three types of Downey cells were observed along with some other variants such as larger cells with deeply convoluted nucleus, cells with crystalline rods and granules in the cytoplasm, flame cells, Mott cells, and some intermediate forms. [4] The common features of reactive lymphocytes: [5]
Bizarre cells, which are multinucleated; Mott cells, containing multiple clustered cytoplasmic droplets or other inclusions (sometimes confused with Auer rods, commonly seen in myeloid blasts) Flame cells, having a fiery red cytoplasm [71] [72] Historically, the CD138 has been used to isolate myeloma cells for diagnostic purposes.
A Mott transition is a metal-insulator transition in condensed matter. Due to electric field screening the potential energy becomes much more sharply (exponentially) peaked around the equilibrium position of the atom and electrons become localized and can no longer conduct a current.
Johnson Production Group/Hallmark Christopher Russell landed his first lead role for Hallmark Channel in 2014’s Midnight Masquerade — and he has continued to woo viewers with his movie charm.
Bacteria Ribonucleoprotein Bodies (BR-bodies)- In recent studies it has been shown that bacteria RNA degradosomes can assemble into phase-separated structures, termed bacterial ribonucleoprotein bodies (BR-bodies), with many analogous properties to eukaryotic processing bodies (P-bodies) and stress granules.