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Nucleoli in Biological News

Researchers solve piece of large-scale gene silencing mystery

... rRNA genes, they could potentially slow the growth rate of tumor cells and thereby slow the progression of diseases like cancer. In cancer cells, nucleoli are conspicuously large because of a dramatic increase in the transcription of rRNAs, which in turn leads to an increase in the production of ...

Regulating the nuclear architecture of the cell

... for ribosomal DNA were normally located in the heterochromatin, multiple nucleoli appeared in the nucleus. Mutations in another pathway, that of RNA ... and Peng found that Drosophila with mutant dcr-2 genes showed multiple nucleoli and other symptoms of heterochromatin deregulation, just as Su(var)3-9 ...
Nucleoli in Biological Technology

Cylene Pharmaceuticals Initiates Phase II Clinical Trial of Quarfloxin (CX-3543) in Patients With Carcinoid/Neuroendocrine Tumors

... arising from neural crest cells. "Quarfloxin (CX-3543) is a small molecule that disrupts a protein:rDNA complex that forms in the abnormal nucleoli of cancer cells, thereby selectively inducing apoptotic cell death in cancers," said Dr. William Rice, President and Chief Executive Officer of ...
Nucleoli in Biological Definition

Cell nucleus

... is based on ER images.) Inside the nucleus is one or several nucleoli surrounded by a fibrous matrix called the nucleoplasm . The nucleoplasm ... regions of DNA that constitute heterochromatin vary between cell types. nucleoli are densely-stained structures at which ribosome subunits are ...

Meiosis

... as well as the polar migration of centrioles , the dispersion of the nucleoli and nuclear envelope and the formation of the spindle fibres (including ... compared to telophase I. In this prophase we see the disappearance of the nucleoli and the nuclear envelope again as well as the shortening and thickening of ...

Nucleoplasm

... contain information encoded in DNA attached to proteins called histones and are usually arranged in to a dense network called chromatin. nucleoli are granular structures which make ribonucleic DNA (rDNA) and assemble it with proteins. ...
Nucleoli in Biological Dictionary

Nucleoli

... can be visualized through ... nucleoli appear sharply demarcated within the surrounding nucleus. ... Except in some cancer cells, nucleoli are always round. ... Basic Histology -- More nucleoli . Neurons, the big electric cells of the brain, ...

Nucleolar organizer

... organizer region associated (Ag ... In recent years, nucleolar organizer region (NOR) scores have been explored for ... Silver-binding nucleoli and nucleolar organizer regions in FNAC of the breast. ... Nucleolar , organizer ,biological ,biology dictionary,biology terminology,biology ...

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