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相关概念视频

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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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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Synthesis and Functions of Calcitonin00:51

Synthesis and Functions of Calcitonin

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Calcitonin, a vital polypeptide hormone, regulates calcium levels within body fluids. It is released by the parafollicular cells, also known as C cells, situated in the follicular epithelium of the thyroid gland. Calcitonin responds to fluctuations in blood calcium levels and the influence of gastrointestinal hormones like gastrin and cholecystokinin.
The exact mechanisms by which calcitonin operates in calcium homeostasis remain elusive, but its significance is evident in several vital...
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Endocrine Signaling01:45

Endocrine Signaling

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Endocrine cells produce hormones to communicate with remote target cells found in other organs. The hormone reaches these distant areas using the circulatory system. This exposes the whole organism to the hormone but only those cells expressing hormone receptors or target cells are affected. Thus, endocrine signaling induces slow responses from its target cells but these effects also last longer.
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The Parathyroid Glands00:59

The Parathyroid Glands

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The two pairs of parathyroid glands embedded within the posterior surface of the thyroid gland are restricted by a dense capsule around them. These glands comprise two distinct cell populations—parathyroid oxyphil and parathyroid principal cells- pivotal in calcium homeostasis.
Oxyphil cells, whose functions remain elusive, emerge during late puberty, adding a layer of complexity to the parathyroid gland's intricacies. In contrast, principal parathyroid cells undertake a vital role by...
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Neurotransmitters01:31

Neurotransmitters

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Neurotransmitters are essential chemical messengers within the nervous system, facilitating the communication between neurons. These chemical messengers, varying in function and effect, are critical for sustaining various aspects of neurological health and emotional well-being.
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相关实验视频

Updated: May 12, 2025

Osteoclast Derivation from Mouse Bone Marrow
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骨质素和GPR158:将骨和大脑功能联系起来

Jingjing Li1, Shujie Lou2, Xuepeng Bian3

  • 1Physical Education College, Shanghai University, Shanghai, China.

Frontiers in cell and developmental biology
|May 8, 2025
PubMed
概括

骨质素 (OCN) 通过GPR158影响中枢神经系统 (CNS),GPR158是一种影响神经可塑性和认知功能的受体. 这一途径与神经退行性疾病有关,提供了潜在的治疗点.

关键词:
在 GPR158 中使用.细胞活动细胞活动.代谢过程中的代谢.神经退行性疾病的神经退行性疾病骨质卡尔辛是一种骨质卡尔辛.突触性可塑性 突触性可塑性

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Laser Capture Microdissection of Mouse Embryonic Cartilage and Bone for Gene Expression Analysis

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A Simple Pit Assay Protocol to Visualize and Quantify Osteoclastic Resorption In Vitro
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A Simple Pit Assay Protocol to Visualize and Quantify Osteoclastic Resorption In Vitro

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相关实验视频

Last Updated: May 12, 2025

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科学领域:

  • 神经内分泌学神经内分泌学
  • 神经生物学 神经生物学 神经生物学
  • 分子医学是分子医学.

背景情况:

  • 由骨质母细胞分泌的骨质素 (OCN) 作为内分泌因子,通过骨脑轴调节中枢神经系统 (CNS).
  • G蛋白结合受体158 (GPR158) 是一个关键的OCN受体,影响神经细胞的增殖,分化,生存和认知功能.
  • GPR158的作用扩展到细胞能量代谢和与RGS7等蛋白质的相互作用,影响神经活动.

研究的目的:

  • 系统地总结OCN/GPR158信号通路在中枢神经系统调节中的作用.
  • 探索OCN/GPR158与神经退行性疾病 (NDs) 之间的关联.
  • 深入了解OCN对大脑功能的影响,并确定潜在的治疗策略.

主要方法:

  • 文献综述和对OCN和GPR158.8现有研究的系统摘要.
  • 分析OCN/GPR158相互作用及其对神经细胞和认知功能的影响.
  • 研究GPR158在细胞代谢和蛋白质相互作用中的参与.

主要成果:

  • 通过GPR158,OCN调节神经可塑性,认知功能和能量代谢.
  • 在瘤发育和情绪障碍等病理条件下,GPR158表现出复杂的,区域和细胞类型特异性的影响.
  • OCN/GPR158通路越来越多地涉及神经退行性疾病,如阿尔茨海默病 (AD) 和帕金森病 (PD).

结论:

  • OCN/GPR158通路是中枢神经系统功能和认知的重要调节者.
  • 对OCN/GPR158信号的调节失调可能会导致神经退行性疾病的发病.
  • 对OCN/GPR158通路的进一步研究有望为中枢神经系统疾病开发新的治疗点.