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Related Concept Videos

Nucleic Acids02:43

Nucleic Acids

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Nucleic acids are the most important macromolecules for the continuity of life. They carry the cell's genetic blueprint and carry instructions for its functioning.
DNA and RNA
The two main types of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). DNA is the genetic material in all living organisms, ranging from single-celled bacteria to multicellular mammals. It is in the nucleus of eukaryotes and in the organelles, chloroplasts, and mitochondria. In prokaryotes,...
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Nucleic acids02:43

Nucleic acids

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Nucleic acids are the most important macromolecules for the continuity of life. They carry the cell's genetic blueprint and carry instructions for its functioning.
DNA and RNA
The two main types of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). DNA is the genetic material in all living organisms, ranging from single-celled bacteria to multicellular mammals. It is in the nucleus of eukaryotes and in the organelles, chloroplasts, and mitochondria. In prokaryotes,...
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Nucleic Acids02:43

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Nucleic Acid Structure01:25

Nucleic Acid Structure

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The pentose sugar in DNA is deoxyribose, while in RNA the pentose sugar is ribose. The difference between the sugars is the presence of the hydroxyl group on the ribose's second carbon and a hydrogen on the deoxyribose's second carbon. The phosphate residue attaches to the hydroxyl group of the 5′ carbon of one sugar and the hydroxyl group of the 3′ carbon of the sugar of the next nucleotide, which forms  a 5′ to 3′ phosphodiester linkage.
DNA Structure
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Nucleic Acids and Nucleotides01:20

Nucleic Acids and Nucleotides

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Nucleic acids are the most important macromolecules for the continuity of life. They carry the cell's genetic blueprint and have instructions for its functioning. The two main types of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).
Deoxyribonucleic Acid (DNA)
DNA is the genetic material in all living organisms, ranging from single-celled bacteria to multicellular mammals. It is in the nucleus of eukaryotes and the organelles such as chloroplasts and mitochondria....
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Biosynthesis of Nucleic Acids01:28

Biosynthesis of Nucleic Acids

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Nucleic acid biosynthesis is a fundamental biochemical process that produces the purine and pyrimidine nucleotides essential for DNA and RNA synthesis. This pathway maintains a balanced nucleotide pool, preventing imbalances that could jeopardize genetic integrity and cellular function. Given the crucial role of nucleotides, their synthesis is tightly regulated to ensure proper cellular homeostasis.Purine BiosynthesisThe biosynthesis of purine nucleotides begins with ribose-5-phosphate, a...
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Kinetic Screening of Nuclease Activity using Nucleic Acid Probes
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Nucleic acids and analogs for bone regeneration.

Yuxin Zhang1, Wenjuan Ma1, Yuxi Zhan1

  • 11State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Oral Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041 People's Republic of China.

Bone Research
|January 4, 2019
PubMed
Summary

Nucleic acids and analogs show promise for bone repair by modulating cell behavior. Delivery systems, including scaffolds, are crucial for their effective application in bone tissue engineering and regeneration.

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Area of Science:

  • Biomaterials Science
  • Regenerative Medicine
  • Molecular Biology

Background:

  • Bone diseases necessitate advanced therapies combining technologies and biological materials.
  • Bone tissue engineering offers a promising strategy for repairing bone defects.
  • Current approaches using stem cells, scaffolds, and growth factors face limitations like off-target effects and cytotoxicity.

Purpose of the Study:

  • To review delivery systems for nucleic acids and nucleic acid analogs in bone repair and regeneration.
  • To discuss the application of these molecules in enhancing bone tissue engineering strategies.
  • To explore the use of conventional scaffold materials for nucleic acid delivery.

Main Methods:

  • Review of existing literature on nucleic acid delivery systems for bone regeneration.
  • Analysis of the mechanisms by which nucleic acids and analogs influence cellular processes relevant to bone healing.
  • Evaluation of scaffold-based delivery systems for nucleic acid therapeutics.

Main Results:

  • Nucleic acids and analogs can modulate protein expression and gene function within target cells for therapeutic effects.
  • Delivery systems are essential to overcome the limitations of nucleic acids and analogs, improving their clinical potential.
  • Scaffold materials offer a viable platform for localized and sustained delivery of nucleic acids and analogs.

Conclusions:

  • Nucleic acid and analog delivery systems are critical for advancing bone tissue engineering.
  • Further research into optimized delivery systems is needed to meet clinical requirements for bone repair.
  • Integrating nucleic acid delivery with scaffold materials holds significant potential for bone regeneration therapies.