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What are the actions of ribozymes? 


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Ribozymes, RNA enzymes, exhibit catalytic activity by cleaving specific RNA sequences, leading to reduced gene expression. They have shown potential in cancer therapeutics, genetic diseases, and combating viral and bacterial infections. Ribozymes like hammerhead, hairpin, hepatitis delta virus, and lead-dependent ribozymes have distinct structures and mechanisms of action. Trans-cleaving ribozymes have been utilized to target specific mRNAs for gene expression inhibition, while trans-splicing ribozymes can repair and reprogram pathogenic genes, offering a unique therapeutic approach. Ribozymes have been modified for HIV-1 therapy, demonstrating their versatility and potential as therapeutic agents in various conditions. Despite challenges in delivery and efficacy, ribozymes remain promising tools for RNA-based therapeutics.

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Ribozymes act as catalysts in biological reactions, including genome cleaving, protein synthesis, and gene regulation, with potential therapeutic applications in conditions like HIV-1 infection.
Ribozymes can downregulate or repair genes via RNA cleavage (trans-cleaving ribozymes) or simultaneous destruction and repair (trans-splicing ribozymes), offering selective therapeutic gene editing capabilities.
Ribozymes like hammerhead, twister, and hepatitis delta virus ribozymes catalyze self-cleavage reactions, revealing diverse biological functions in RNA molecules.
Ribozymes act as catalytic RNA molecules that cleave specific RNA sequences, reducing gene expression. They are explored as therapeutic agents against infectious diseases caused by viral and bacterial pathogens.
Book ChapterDOI
Darko Balke, Sabine Müller 
08 Feb 2019
3 Citations
Ribozymes act by cleaving target mRNAs to inhibit gene expression and enabling site-directed RNA sequence alterations for correcting genetic misinformation at the RNA level.

Related Questions

What is a good referense to review about ribozyme history and applications?5 answersA comprehensive reference for reviewing the history and applications of ribozymes can be found in various research papers. Ribozymes, catalytic RNA molecules, have shown promise in cancer therapeutics, genetic diseases, and infectious diseases caused by viral and bacterial pathogens. They have been utilized for gene therapies targeting genetic disorders, viral infections, and cancers, with trans-splicing ribozymes offering selective repair and reprogramming abilities in target RNA-expressing cells. Additionally, self-cleaving ribozymes have been engineered as biomolecular tools for diverse applications, including mRNA regulation and processing in various organisms. For a detailed overview of ribozyme history, characteristics, mechanisms of action, and current status as therapeutic agents, these papers provide valuable insights into the development and potential challenges faced by ribozymes in becoming effective molecular drugs.
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Who discovered catalytic RNA (ribozymes)?5 answersCatalytic RNA, also known as ribozymes, was discovered by researchers in the field of molecular biology. The discovery of ribozymes introduced a new class of enzymes to biology, playing crucial roles in the RNA World hypothesis. Since the first RNA with catalytic activity was found in 1982, numerous ribozymes have been reported, showcasing their diverse functions in biological processes. Ribozymes catalyze various chemical reactions and are essential for the survival and evolution of biological entities, potentially playing a significant role in the primordial RNA world. The study of ribozymes provides insights into the foundational principles of biological catalysis and the intricate relationship between RNA structure and function.
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