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Oblimersen (INN, trade name Genasense; also known as Augmerosen and bcl-2 antisense oligodeoxynucleotide G3139) is an antisense oligodeoxyribonucleotide being studied as a possible treatment for several types of cancer, including chronic lymphocytic leukemia, B-cell lymphoma, and breast cancer.
Antisense therapy is a form of treatment that uses antisense oligonucleotides (ASOs) to target messenger RNA (mRNA). ASOs are capable of altering mRNA expression through a variety of mechanisms, including ribonuclease H mediated decay of the pre-mRNA, direct steric blockage, and exon content modulation through splicing site binding on pre-mRNA. [1]
The newly formed tricoordinated phosphite triester linkage is not natural and is of limited stability under the conditions of oligonucleotide synthesis. The treatment of the support-bound material with iodine and water in the presence of a weak base (pyridine, lutidine, or collidine) oxidizes the phosphite triester into a tetracoordinated ...
Tegsedi, developed and marketed by Ionis Pharmaceuticals, was approved by the FDA in October 2018 for the treatment of hereditary transthyretin amyloidosis (hATTR). [10] The chemical structure is a 20-mer oligonucleotide with PS backbone modifications and 2'-MOE ribose substitutions. [4]
Antisense oligonucleotides were discovered in 1978 ... of the cancer cells to chemotherapy treatments. ... motor control and a longer survival rate when ...
Anti-miRNA oligonucleotides (also known as AMOs) have many uses in cellular mechanics. These synthetically designed molecules are used to neutralize microRNA ( miRNA ) function in cells for desired responses. miRNA are complementary sequences (≈22 bp) to mRNA that are involved in the cleavage of RNA or the suppression of the translation . [ 1 ]