Small interfering RNAs in the management of human osteoporosis

Giuseppe Gargano1,2,3, Giovanni Asparago1,2, Filippo Spiezia3

  • 1Department of Trauma and Orthopaedic Surgery, AOU San Giovanni di Dio e Ruggi D'Aragona, Via San Leonardo 1, 84131 Salerno, Italy.

British Medical Bulletin
|September 7, 2023
PubMed
Abstract

Insights

Small interfering RNAs (siRNAs) show promise for osteoporosis therapy by targeting metabolic processes. However, in vitro results may not accurately predict in vivo efficacy, highlighting a key research challenge.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Pharmacology

Background:

  • Osteoporosis is characterized by reduced bone mass and increased fragility.
  • Small interfering RNAs (siRNAs) are investigated for therapeutic applications, as molecular targets, and for testing new treatments.

Purpose of the Study:

  • To define the role of siRNAs in osteoporosis therapy.
  • To explore the potential of siRNAs in understanding and treating osteoporosis.

Main Methods:

  • A systematic literature search was conducted across multiple databases up to May 2023.
  • Fourteen relevant studies investigating siRNAs in osteoporosis were identified and analyzed.

Main Results:

  • siRNAs show potential for studying osteoporosis metabolic processes and identifying therapeutic targets.
  • Gene dysregulation by siRNAs can impact growth factors involved in metabolic processes.

Conclusions:

  • siRNAs may serve as valuable tools for osteoporosis research and drug development.
  • A significant challenge remains in predicting in vivo siRNA drug responses based on in vitro data.

Related Concept Videos

Experimental RNAi02:15

Experimental RNAi

RNA interference (RNAi) is a cellular mechanism that inhibits gene expression by suppressing its transcription or activating the RNA degradation process. The mechanism was discovered by Andrew Fire and Craig Mello in 1998 in plants. Today, it is observed in almost all eukaryotes, including protozoa, flies, nematodes, insects, parasites, and mammals. This precise cellular mechanism of gene silencing has been developed into a technique that provides an efficient way to identify and determine the...
6.2K
RNA Interference01:23

RNA Interference

RNA interference (RNAi) is a process in which a small non-coding RNA molecule blocks the post-transcriptional expression of a gene by binding to its messenger RNA (mRNA) and preventing the protein from being translated.
This process occurs naturally in cells, often through the activity of genomically-encoded microRNAs. Researchers can take advantage of this mechanism by introducing synthetic RNAs to deactivate specific genes for research or therapeutic purposes. For example, RNAi could be used...
26.1K
Small interfering RNAs (siRNA)02:30

Small interfering RNAs (siRNA)

3.6K
siRNA - Small Interfering RNAs02:30

siRNA - Small Interfering RNAs

Small interfering RNAs, or siRNAs, are short regulatory RNA molecules that can silence genes post-transcriptionally, as well as the transcriptional level in some cases. siRNAs are important for protecting cells against viral infections and silencing transposable genetic elements.
In the cytoplasm, siRNA is processed from a double-stranded RNA, which comes from either endogenous DNA transcription or exogenous sources like a virus. This double-stranded RNA is then cleaved by the...
16.8K
Osteoclasts in Bone Remodeling01:31

Osteoclasts in Bone Remodeling

Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during...
3.0K
Bone Remodeling01:40

Bone Remodeling

Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
38.4K