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Related Concept Videos

Translation01:31

Translation

156.1K
Lesson: Translation
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
Translation Produces the Building Blocks of...
156.1K
Translation01:31

Translation

17.8K
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
Translation Produces the Building Blocks of Life
Proteins are...
17.8K
Initiation of Translation02:33

Initiation of Translation

38.9K
Initiating translation is complex because it involves multiple molecules. Initiator tRNA, ribosomal subunits, and eukaryotic initiation factors (eIFs) are all required to assemble on the initiation codon of mRNA. This process consists of several steps that are mediated by different eIFs.
First, the initiator tRNA must be selected from the pool of elongator tRNAs by eukaryotic initiation factor 2 (eIF2). The initiator tRNA (Met-tRNAi) has conserved sequence elements including modified bases at...
38.9K
Termination of Translation01:44

Termination of Translation

27.6K
The large ribosomal subunit has several important structures essential to translation. These include the peptidyl transferase center (PTC) - which is the site where the peptide bond is formed - and a large, internal, water-filled tube through which the nascent polypeptide moves. This latter structure is called the Peptide Exit Tunnel, and it begins at the PTC and spans the body of the large ribosomal subunit. During translation, as the nascent polypeptide chain is synthesized, it passes through...
27.6K
Termination of Translation01:44

Termination of Translation

6.8K
6.8K
Improving Translational Accuracy02:07

Improving Translational Accuracy

14.9K
Base complementarity between the three base pairs of mRNA codon and the tRNA anticodon is not a failsafe mechanism. Inaccuracies can range from a single mismatch to no correct base pairing at all. The free energy difference between the correct and nearly correct base pairs can be as small as 3 kcal/ mol. With complementarity being the only proofreading step, the estimated error frequency would be one wrong amino acid in every 100 amino acids incorporated. However, error frequencies observed in...
14.9K

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Related Experiment Video

Updated: Jan 28, 2026

A Modified Heterotopic Swine Hind Limb Transplant Model for Translational Vascularized Composite Allotransplantation VCA Research
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[Translating Early Vascular Aging into Clinical Practice].

Martin Middeke

    Deutsche Medizinische Wochenschrift (1946)
    |March 6, 2019
    PubMed
    Summary

    Early Vascular Aging, characterized by premature arterial stiffness, requires early detection and intervention to prevent cardiovascular events.

    Area of Science:

    • Cardiovascular Science
    • Gerontology
    • Vascular Medicine

    Background:

    • Early Vascular Aging (EVA) describes premature arterial stiffness and arteriosclerosis.
    • EVA is increasingly recognized for its pathophysiologic and clinical significance.
    • Preventing cardiovascular events necessitates understanding and addressing EVA.

    Purpose of the Study:

    • To highlight the importance of early diagnosis and intervention in managing Early Vascular Aging.
    • To underscore the role of EVA in the development of cardiovascular disease.
    • To emphasize the need for proactive strategies against premature arterial aging.

    Main Methods:

    • Literature review on pathophysiologic and clinical aspects of EVA.
    • Analysis of diagnostic approaches for premature arterial stiffness.

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    Isolation of Intermediate Filament Proteins from Multiple Mouse Tissues to Study Aging-associated Post-translational Modifications
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  • Evaluation of intervention strategies for postponing cardiovascular events.

    • Main Results:

    • Early Vascular Aging is a significant predictor of future cardiovascular events.
    • Timely diagnosis of arterial stiffness allows for targeted interventions.
    • Interventions can effectively delay the progression of arteriosclerosis.

    Conclusions:

    • Early diagnosis and intervention are crucial for managing Early Vascular Aging.
    • Addressing EVA can significantly reduce the risk of cardiovascular events.
    • Further research into EVA mechanisms and treatments is warranted.