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相关概念视频

Osteoclasts in Bone Remodeling01:31

Osteoclasts in Bone Remodeling

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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...
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Bone Remodeling01:40

Bone Remodeling

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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.
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Translational Regulation01:29

Translational Regulation

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Translational regulation in prokaryotes ensures efficient protein synthesis by controlling ribosome access to mRNA. This regulation is mediated by secondary RNA structures, including translational riboswitches, RNA thermometers, and small RNAs (sRNAs), which respond to intracellular and environmental signals to modulate gene expression.Translational RiboswitchesRiboswitches in the leader region of mRNAs can regulate translation by altering the accessibility of the Shine-Dalgarno (SD) sequence,...
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Hormones and Bone Tissue01:17

Hormones and Bone Tissue

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The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is formed, and remodel it.
Hormones That Influence Osteoblasts and/or Maintain the Matrix
Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...
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Types of RNA01:23

Types of RNA

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Overview
Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in the regulation of gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
RNA...
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Types of RNA01:20

Types of RNA

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Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in regulating gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
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相关实验视频

Updated: Jan 11, 2026

Using Real-Time Cell Metabolic Flux Analyzer to Monitor Osteoblast Bioenergetics
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Using Real-Time Cell Metabolic Flux Analyzer to Monitor Osteoblast Bioenergetics

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非编码RNAs介导机械负载调节的骨代谢恒温,骨代谢恒温.

Ruiqi Huang1,2, Bo Chang3, Xuejie Yi2

  • 1School of Physical Education, Liaoning Normal University, Dalian, Liaoning, China.

Frontiers in cell and developmental biology
|November 10, 2025
PubMed
概括

非编码RNAs (ncRNAs) 是骨代谢的关键调节者,对机械负荷做出反应. 了解这些机械敏感的ncRNA为治疗因不使用而引起的骨疾病提供了新的策略.

关键词:
骨头 骨头 骨头 骨头骨疾病 骨疾病 骨疾病机械负荷的机械负荷.微型RNA微型RNA是什么没有编码的RNA.

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A RANKL-based Osteoclast Culture Assay of Mouse Bone Marrow to Investigate the Role of mTORC1 in Osteoclast Formation
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A RANKL-based Osteoclast Culture Assay of Mouse Bone Marrow to Investigate the Role of mTORC1 in Osteoclast Formation

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Skeletal Phenotype Analysis of a Conditional Stat3 Deletion Mouse Model
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Skeletal Phenotype Analysis of a Conditional Stat3 Deletion Mouse Model
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科学领域:

  • 骨生物学 骨生物学
  • 分子生物学分子生物学
  • 机械生物学 机械生物学

背景情况:

  • 骨重塑和再生取决于机械刺激.
  • 机械转导将机械力转化为生物化学信号,保持骨平衡.
  • 非编码RNAs (ncRNAs) 越来越被认为是骨代谢的关键调节者.

研究的目的:

  • 审查机械敏感ncRNAs在骨机械传导中的作用.
  • 探索机械刺激如何调节ncRNA表达并影响骨适应.
  • 为治疗骨代谢障碍的ncRNA提供洞察力.

主要方法:

  • 文献综述侧重于ncRNAs和骨机械传导.
  • 对研究机械负载对ncRNA表达的影响的研究分析.
  • 对ncRNA介导的骨反应现有知识的综合.

主要成果:

  • ncRNAs是调节骨细胞对机械力反应的信号通路的组成部分.
  • 机械加载和卸载显著改变了特定ncRNAs的表达.
  • ncRNAs调解了机械环境的适应性骨反应.

结论:

  • 机械敏感的ncRNA是骨对机械刺激反应的关键调解者.
  • 向ncRNAs为骨代谢疾病提供了一个有前途的治疗途径.
  • 对ncRNA功能的进一步研究可以增强骨健康策略.