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Related Concept Videos

Therapeutic Index01:13

Therapeutic Index

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The therapeutic index of a drug is a key parameter in pharmacology that quantifies the relative safety of a drug by calculating the ratio between the dose that causes toxicity in half the population (50%) to the dose that proves to be effective for half the population (50%). It provides a spectrum of doses for a particular drug ranging from effective to potentially toxic. To illustrate, consider an anticoagulant agent like warfarin. It possesses a narrow window within its therapeutic index to...
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Potential Energy00:52

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The energy stored by a structure and location of matter in space is called potential energy. For instance, raising a kettlebell changes its spatial location and increases its potential energy. Similarly, a stretched rubber band contains potential energy which, under certain conditions, can be converted into other forms of energy, such as kinetic energy.
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On comparing the reactivity of silver and lead, it is observed that the two ionic species, Ag+ (aq) and Pb2+ (aq), show a difference in their redox reactivity towards copper: the silver ion undergoes spontaneous reduction, while the lead ion does not. This relative redox activity can be easily quantified in electrochemical cells by a property called cell potential. This property is commonly known as cell voltage in electrochemistry, and it is a measure of the energy which accompanies the charge...
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Thermodynamics of a Redox Reaction
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Communication is a lifelong learning process. Through therapeutic communication, nurses can collect relevant assessment data, provide education and counseling, and interact during nursing interventions. Sending and receiving messages occur through verbal and nonverbal communication techniques and can happen separately or simultaneously.
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The regulation of stroke volume, which is the amount of blood the heart pumps out during each heartbeat, is critical for maintaining a healthy circulatory system. Stroke volume is influenced by three main factors: preload, contractility, and afterload.
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Updated: Feb 1, 2026

Visualizing Mitophagy with Fluorescent Dyes for Mitochondria and Lysosome
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Mitophagy, a potential therapeutic target for stroke.

Ruiqiao Guan1,2,3,4,5, Wei Zou6,7,8, Xiaohong Dai1,2

  • 1Heilongjiang University Of Chinese Medicine, Harbin, 150040, Heilongjiang province, China.

Journal of Biomedical Science
|December 4, 2018
PubMed
Summary

Mitophagy, the selective removal of mitochondria, plays a crucial role in cell health. This review explores mitophagy

Keywords:
MitochondriaMitochondria autophagyStroke

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Area of Science:

  • Cell Biology
  • Neuroscience
  • Pathology

Background:

  • Mitophagy is a cellular process for eliminating damaged mitochondria.
  • Mitochondria are vital for cellular energy and implicated in stroke-related injury.
  • Dysfunctional mitochondria can produce harmful reactive oxygen species (ROS).

Purpose of the Study:

  • To comprehensively review the role of mitophagy in stroke.
  • To discuss the molecular mechanisms and signaling pathways of mitophagy in stroke.
  • To examine the dual role of mitophagy in both ischemic and hemorrhagic stroke.

Main Methods:

  • Literature review and synthesis of existing research on mitophagy and stroke.
  • Analysis of molecular mechanisms underlying mitophagy.
  • Discussion of recent advances in understanding mitophagy's role in stroke pathology.

Main Results:

  • Mitophagy influences mitochondrial quality control and dynamics.
  • Mitochondria are central to stroke pathophysiology, affecting energy supply and cell death.
  • The precise role and pathways of mitophagy in stroke require further elucidation.

Conclusions:

  • Mitophagy is intricately linked to mitochondrial function and cellular stress responses.
  • Understanding mitophagy's dual role in stroke may offer therapeutic targets.
  • Further research is needed to fully clarify mitophagy's mechanisms and implications in stroke.