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Related Concept Videos

Continuous Renal Replacement Therapy01:30

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Continuous Renal Replacement Therapy, also known as CRRT, is a procedural treatment for acute kidney injury (AKI) that gradually removes uremic toxins and fluids while maintaining acid-base balance and stabilizing electrolytes. It is particularly useful for hemodynamically unstable patients. Unlike intermittent hemodialysis, which is faster, CRRT provides a gentler approach over 24 hours, closely mimicking the function of natural kidneys. However, CRRT is not ideal for patients with...
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Continuous Renal Replacement Therapy (CRRT) is an essential intervention for patients experiencing severe kidney dysfunction. This therapy offers a continuous mechanism for removing fluids and toxins from the bloodstream, leveraging the patient’s blood pressure to facilitate filtration through a specialized filter. This method contrasts with intermittent dialysis, providing a gentler and more consistent removal of waste products and excess fluid, which is particularly beneficial in...
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Animal Mitochondrial Genetics02:59

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Among all the organelles in an animal cell, only mitochondria have their own independent genomes. Animal mitochondrial DNA is a double-stranded, closed-circular molecule with around 20,000 base pairs. Mitochondrial DNA is unique in that one of its two strands, the heavy, or H, -strand is guanine rich, whereas the complementary strand is cytosine rich and called the light, or L, -strand. Compared to nuclear DNA, mitochondrial DNA has a very low percentage of non-coding regions and is marked by...
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Comparing Mitochondrial, Chloroplast, and Prokaryotic Genomes02:16

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The present-day mitochondrial and chloroplast genomes have retained some of the characteristics of their ancestral prokaryotes and also have acquired new attributes during their evolution within eukaryotic cells. Like prokaryotic genomes, mitochondrial and chloroplast genomes neither bind with histone-like proteins nor show complex packaging into chromosome-like structures, as observed in eukaryotes. Unlike mitotic cell divisions observed in eukaryotic cells, mitochondria and chloroplasts...
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Export of Mitochondrial and Chloroplast Genes02:19

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A eukaryotic cell can have up to three different types of genetic systems: nuclear, mitochondrial, and chloroplast. During evolution, organelles have exported many genes to the nucleus; this transfer is still ongoing in some plant species. Approximately 18% of the Arabidopsis thaliana nuclear genome is thought to be derived from the chloroplast’s cyanobacterial ancestor, and around 75% of the yeast genome derived from the mitochondria’s bacterial ancestor. This export has occurred...
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Gene Therapy00:59

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Gene therapy is a technique where a gene is inserted into a person’s cells to prevent or treat a serious disease. The added gene may be a healthy version of the gene that is mutated in the patient, or it could be a different gene that inactivates or compensates for the patient’s disease-causing gene. For example, in patients with severe combined immunodeficiency (SCID) due to a mutation in the gene for the enzyme adenosine deaminase, a functioning version of the gene can be...
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Updated: Feb 9, 2026

Preparation of Plasma Membrane Vesicles from Bone Marrow Mesenchymal Stem Cells for Potential Cytoplasm Replacement Therapy
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Mitochondrial replacement therapy.

Michael P Dougherty1, Shelley Dolitsky, Rhea Chattopadhyay

  • 1Rutgers Robert Wood Johnson Medical School, New Brunswick, New Jersey, USA.

Current Opinion in Obstetrics & Gynecology
|June 15, 2018
PubMed
Summary
This summary is machine-generated.

Mitochondrial replacement therapy (MRT) offers a potential cure for debilitating genetic diseases. Despite proven safety and efficacy, societal and legal hurdles impede its clinical application.

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Area of Science:

  • Reproductive medicine
  • Genetics
  • Bioethics

Background:

  • Mitochondrial replacement therapy (MRT) is an assisted reproductive technology.
  • It aims to prevent the transmission of mitochondrial diseases from mother to child.
  • Ethical and legal considerations are paramount in its application.

Purpose of the Study:

  • To review the history and evolution of mitochondrial replacement therapy (MRT).
  • To highlight recent scientific advancements and future prospects in MRT.
  • To address the societal and legal challenges associated with MRT implementation.

Main Methods:

  • Literature review of historical data on MRT.
  • Analysis of recent research on MRT techniques and genetic alternatives.
  • Examination of ethical, legal, and societal debates surrounding MRT.

Main Results:

  • MRT techniques have advanced, potentially improving outcomes.
  • Genetic advancements offer alternative treatments for mitochondrial diseases.
  • Significant ethical and legal debates persist regarding MRT.

Conclusions:

  • MRT holds promise for eradicating severe mitochondrial diseases.
  • Established safety and efficacy data support its use.
  • Overcoming social and legal barriers is crucial for clinical integration.