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Related Concept Videos

Gene Conversion02:08

Gene Conversion

Other than maintaining genome stability via DNA repair, homologous recombination plays an important role in diversifying the genome. In fact, the recombination of sequences forms the molecular basis of genomic evolution. Random and non-random permutations of genomic sequences create a library of new amalgamated sequences. These newly formed genomes can determine the fitness and survival of cells. In bacteria, homologous and non-homologous types of recombination lead to the evolution of new...
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As the name suggests, non-LTR retrotransposons lack the long terminal repeats characteristic of the LTR retrotransposons. Additionally, both LTR and non-LTR retrotransposons use distinct mechanisms of mobilization. Non-LTR retrotransposons are further divided into two classes - Long interspersed nuclear elements (LINEs) and short interspersed nuclear elements (SINEs), both of which occur abundantly in most mammals, including humans. Some of the active non-LTR retrotransposons in humans are L1...
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Related Experiment Video

Updated: May 11, 2026

Rapid and Efficient Generation of Recombinant Human Pluripotent Stem Cells by Recombinase-mediated Cassette Exchange in the AAVS1 Locus
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ESCRTing Necroptosis.

Hongyan Guo1, William J Kaiser1

  • 1Department of Microbiology, Immunology, and Molecular Genetics, University of Texas Heath San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA.

Cell
|April 8, 2017
PubMed
Summary
This summary is machine-generated.

Necroptosis, a cell death pathway, can be counterbalanced. New research identifies mechanisms that sustain cell membrane integrity and prolong cell viability, challenging previous assumptions.

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Area of Science:

  • Cellular Biology
  • Molecular Biology
  • Immunology

Background:

  • Necroptosis is a pro-inflammatory programmed cell death pathway.
  • MLKL activation leads to cell membrane disruption during necroptosis.

Purpose of the Study:

  • To investigate mechanisms that counterbalance necroptosis.
  • To identify ways to sustain plasma membrane integrity.
  • To explore methods for prolonging cell viability despite MLKL activation.

Main Methods:

  • The study by Gong et al. challenges established concepts in programmed cell death.
  • Investigated molecular mechanisms regulating necroptosis.
  • Focused on MLKL activation and its consequences.

Main Results:

  • Identified novel mechanisms that counteract necroptosis.
  • Demonstrated ways to maintain plasma membrane integrity.
  • Showed that MLKL activation is not an irreversible point of no return.

Conclusions:

  • MLKL activation does not necessarily lead to immediate cell death.
  • Mechanisms exist to sustain cell viability during necroptosis.
  • This finding opens new avenues for therapeutic interventions targeting inflammatory cell death.