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Related Concept Videos

Bioreactor Controls-I01:28

Bioreactor Controls-I

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Maintaining optimal conditions within fermenters is essential for maximizing microbial productivity and ensuring process efficiency. This lesson focuses on key parameters—temperature, foam, pH, carbon dioxide, oxygen, and pressure—and their precise measurement and control strategies in fermentation systems.Temperature ControlTemperature regulation is critical due to the exothermic nature of many fermentation processes. In small laboratory fermenters, temperature is commonly...
86

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Related Experiment Video

Updated: Apr 22, 2026

Fabrication of Extracellular Matrix-derived Foams and Microcarriers as Tissue-specific Cell Culture and Delivery Platforms
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Practical strategies for modulating foam cell formation and behavior.

Elisabeth Uitz1, Babak Bahadori1, Mark F McCarty1

  • 1Elisabeth Uitz, Babak Bahadori, Department of Internal Medicine 2, University Hospital of St. Poelten, Karl Landsteiner Private University of Health and Life Sciences, Probst-Fuehrer-Str. 4, Austria.

World Journal of Clinical Cases
|October 18, 2014
PubMed
Summary
This summary is machine-generated.

Targeting high-density lipoprotein (HDL) levels alone is ineffective for preventing atherosclerosis. Novel therapies should focus on directly enhancing reverse cholesterol transport in foam cells to combat cardiovascular disease.

Keywords:
AntioxidantAtherogenesisAtherosclerosisCholesterolCytokineInflammationNutraceuticalPhytochemicalPlaque

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Area of Science:

  • Cardiovascular Science
  • Molecular Biology
  • Pharmacology

Background:

  • High-density lipoprotein (HDL)-mediated reverse cholesterol transport is vital for preventing and reversing atheroma.
  • Current pharmaceutical strategies targeting HDL cholesterol levels show limited cardiovascular benefits, primarily due to concurrent reductions in low-density lipoprotein (LDL) cholesterol.

Purpose of the Study:

  • To evaluate the efficacy of targeting HDL cholesterol levels versus directly promoting reverse cholesterol transport in foam cells for preventing and reversing atheroma.
  • To explore novel therapeutic agents that can enhance reverse cholesterol transport by targeting macrophage-specific pathways.

Main Methods:

  • Review of meta-analyses and Mendelian randomization studies on HDL cholesterol and cardiovascular risk.
  • Analysis of molecular mechanisms involving liver X receptors (LXR) and nuclear factor-kappaB (NF-kappaB) in macrophage cholesterol transport.
  • Investigation of potential therapeutic agents including taurine, phytochemicals, phycocyanobilin, salicylic acid, berberine, and metformin.

Main Results:

  • Genetic factors influencing HDL cholesterol alone do not predict myocardial infarction risk.
  • Targeting HDL cholesterol levels per se appears futile; focus should shift to improving the efficiency of reverse cholesterol transport.
  • Agents like taurine, phase 2 inducers, phycocyanobilin, salicylic acid, berberine, and metformin show promise in promoting reverse cholesterol transport and inhibiting atherogenesis by targeting foam cells and modulating inflammatory pathways.

Conclusions:

  • Directly targeting foam cells to promote reverse cholesterol transport offers a more promising therapeutic strategy for preventing and reversing atheroma than solely modulating HDL cholesterol levels.
  • These agents may also stabilize plaques and reduce vascular inflammation, potentially preventing plaque rupture and thrombosis.