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Videos de Conceptos Relacionados

Necrosis01:16

Necrosis

5.2K
Necrosis is considered as an “accidental” or unexpected form of cell death that ends in cell lysis. The first noticeable mention of “necrosis” was in 1859 when Rudolf Virchow used this term to describe advanced tissue breakdown in his compilation titled “Cell Pathology”.
Morphological Manifestations of Necrosis
Necrotic cells show different types of morphological appearance depending on the type of tissue and infection. In coagulative necrosis, cells become...
5.2K
Overview of Cell Death01:30

Overview of Cell Death

7.6K
Cell death is an essential process where the body gets rid of old or damaged cells. Cell proliferation and death need to be balanced, as an imbalance between the two may lead to cancer or autoimmune diseases.
Cell death was observed in the early 19th century, but there was no experimental evidence to prove it. In 1842, Carl Vogt first discovered cell death in a metamorphic toad; however, it was not termed ‘cell death.’ Scientists discovered different cell death pathways only in the...
7.6K
Cellular Injury IV: Necrosis01:16

Cellular Injury IV: Necrosis

57
Necrosis is a form of irreversible cell death caused by severe injury such as ischemia, toxins, or trauma. Unlike programmed cell death, it is an uncontrolled, pathological process that typically provokes inflammation in surrounding tissues.Pathophysiologic ChangesNecrosis begins when cells sustain critical damage, leading to swelling of organelles, particularly mitochondria, and rapid ATP depletion. As energy levels decline, membrane ion pumps fail, leading to calcium influx and eventually,...
57
Apoptosis01:30

Apoptosis

11.9K
Apoptosis is a combination of two Greek words, 'apo' and 'ptosis,' meaning separation and falling off, respectively. Hippocrates used this word to describe gangrene, which was caused due to bandaging of fractured bones. Apoptosis was distinguished from necrosis in 1970 when John Kerr reported observations of morphological changes occurring during apoptosis. During one experiment, he observed that the disruption of blood supply to the liver tissue resulted in a size...
11.9K
Autophagic Cell Death01:18

Autophagic Cell Death

3.3K
Christian de Duve discovered “autophagy,” a process in which cellular components are engulfed by membrane-bound organelles called autophagosomes. The autophagosomes then fuse with lysosomes to digest the enclosed contents. Autophagy is generally activated in cells to prevent cell death. However, cell death is triggered when the damage is beyond repair.
Autophagy and Apoptosis
Autophagy can activate apoptosis. In normal conditions, the autophagy activating protein Beclin-1 and...
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Phagocytosis of Apoptotic Cells01:17

Phagocytosis of Apoptotic Cells

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Cells undergoing apoptosis form apoptotic bodies that must be removed immediately to prevent inflammation, autoimmune diseases, and necrosis. Phagocytosis is carried out by professional phagocytes such as macrophages or  immature dendritic cells. Non-professional phagocytes such as  epithelial cells and fibroblasts also take part in this process; however, they are not as effective as professional phagocytes. 
Normal cells contain receptors that prevent them from being recognized...
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Video Experimental Relacionado

Updated: Apr 26, 2026

Characterization of MLKL-mediated Plasma Membrane Rupture in Necroptosis
08:55

Characterization of MLKL-mediated Plasma Membrane Rupture in Necroptosis

Published on: August 7, 2018

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SnapShot: Necroptosis es la muerte en el cuerpo.

Wen Zhou1, Junying Yuan1

  • 1Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA.

Cell
|July 19, 2014
PubMed
Resumen

La necroptosis, una forma de necrosis regulada que involucra a RIPK1 y RIPK3, juega un papel en la inflamación y la muerte celular. La inhibición de esta vía es prometedora para el tratamiento de diversas enfermedades.

Área de la Ciencia:

  • Biología Molecular Biología Molecular
  • Biología celular Biología celular.
  • Inmunología Inmunología.

Sus antecedentes:

  • La necroptosis es una forma regulada de la necrosis.
  • Se distingue de la apoptosis e involucra vías de señalización específicas.
  • Los mediadores clave incluyen las quinasas RIPK1 y RIPK3.

Objetivo del estudio:

  • Para dilucidar la vía de señalización de la necroptosis.
  • Para explorar el potencial terapéutico de la inhibición de la necroptosis.

Principales métodos:

  • Investigó las funciones de RIPK1 y RIPK3 en la necroptosis.
  • Se analizó la formación de necrosomas y la activación de MLKL.
  • Evaluación de la inhibición de la necroptosis en modelos de ratón de la enfermedad.

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Author Spotlight: THP-1 Macrophage Response to LPS/ATP &#8212; Unveiling the Pyroptosis, Apoptosis, and Necroptosis Spectrum
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Videos de Experimentos Relacionados

Last Updated: Apr 26, 2026

Characterization of MLKL-mediated Plasma Membrane Rupture in Necroptosis
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Characterization of MLKL-mediated Plasma Membrane Rupture in Necroptosis

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Author Spotlight: THP-1 Macrophage Response to LPS/ATP &#8212; Unveiling the Pyroptosis, Apoptosis, and Necroptosis Spectrum
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Principales resultados:

  • La necroptosis está mediada por la actividad de la quinasa RIPK1 y RIPK3.
  • La vía implica la formación de necrosomas y la activación de MLKL.
  • La inhibición de la necroptosis redujo la patología en modelos de ratón.

Conclusiones:

  • La necroptosis es una vía crucial de muerte celular regulada.
  • Dirigirse a la necroptosis ofrece estrategias terapéuticas potenciales para enfermedades que implican inflamación y muerte celular.