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相关概念视频

Assembly of Cytoskeletal Filaments01:18

Assembly of Cytoskeletal Filaments

Cytoskeletal filaments are polymeric forms of smaller protein subunits. However, individual cytoskeletal filaments may easily disassemble or associate with other similar filaments to form rigid structures. Microfilaments, made of actin monomers, rely on actin-binding proteins to form bundles and create networks of individual actin filaments. Microtubules rely on microtubule-associated proteins (MAPs) to form sturdy cylindrical structures. However, the proteins involved in forming complex...
Assembly of Complex Microtubule Structures01:32

Assembly of Complex Microtubule Structures

Complex microtubule structures are present in resting cells and in dividing cells. In resting cells, they are responsible for maintaining the cellular architecture, tracks for intracellular transport, positioning of organelles, assembly of cilia and flagella. They mediate the bipolar spindle assembly for chromosomal segregation and positioning of the cell division plate in dividing cells. The formation of microtubule complex structures depends on the cell type, cell stage, and cell function.
Mechanism of Filopodia Formation01:39

Mechanism of Filopodia Formation

Filopodia are thin, actin-rich cellular protrusions that play an important role in many fundamental cellular functions. They vary in their occurrence, length, and positioning in different cell types, suggesting their diverse roles.
Their main function is to guide migrating cells during normal tissue morphogenesis or cancer metastasis by recognizing and making initial contacts with the extracellular matrix. However, they can also act as stationary cell anchors or help to establish communication...
Cytoskeletal Coordination in Cell Migration01:32

Cytoskeletal Coordination in Cell Migration

A migrating cell changes its shape during the cyclic events of attachment and detachment from the substratum and repositions the cell organelles correspondingly. These complex events are orchestrated by the dynamic cytoskeletal network comprising actin filaments, intermediate filaments, and microtubules. Cytoskeletal crosstalk — the direct and indirect communication between the different components — is crucial for this coordination. Direct communication involves various linker proteins that...

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相关实验视频

Updated: Jul 2, 2026

Initial 3D Cell Cluster Control in a Hybrid Gel Cube Device for Repeatable Pattern Formations
05:22

Initial 3D Cell Cluster Control in a Hybrid Gel Cube Device for Repeatable Pattern Formations

Published on: March 21, 2019

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聚合机器人:通过引导,模块化组织聚合来配置CiliaBots.

D Bhatttaram1, K Golestan1, X Zhang1

  • 1Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, USA.

bioRxiv : the preprint server for biology
|March 10, 2025
PubMed
概括
此摘要是机器生成的。

工程CiliaBots (CiliaBot构建块) 可以被聚合起来,以创建具有受控运动性的设计生物机器人. 这种新的平台能够精确地控制形状和眼分布,从而实现可预测的运动.

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Generation of Human Motor Units with Functional Neuromuscular Junctions in Microfluidic Devices
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Volumetric Imaging and Analysis of Primary Cilia in Musculoskeletal Tissue using the ARL13B-CENTRIN-2 Mouse Model
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相关实验视频

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科学领域:

  • 生物医学工程 生物医学工程
  • 组织工程是组织工程.
  • 合成生物学 合成生物学

背景情况:

  • 纤毛生物机器人 (CiliaBots) 通过外部纤毛表现出自我激活的运动性.
  • 运动模式与CiliaBot形态学和毛分布相关.
  • 对CiliaBot运动的可预测控制仍然是一个挑战.

研究的目的:

  • 开发一个新的聚合CiliaBot (AggreBot) 平台,用于设计者运动模式.
  • 实现对生物机器人几何形状和活跃的眼分布的精确控制.
  • 调查AggreBots在受控生物自动推进方面的潜力.

主要方法:

  • 人类呼吸道细胞球体的空间控制聚合 (CiliaBot构建块或CBB).
  • 引导聚合以形成棒,三角形和钻石形状的AggreBots.
  • 用于混合AggreBots的不动的CBB (CCDC39基因突变).

主要成果:

  • AggreBots表现出比单球体CiliaBots更大的运动性.
  • 在聚合后,AggreBots保持了内部边界.
  • 混合AggreBots允许精确控制活跃的眼覆盖和分布,增强运动性控制.

结论:

  • 在AggreBot平台上,可以创建具有可配置几何和眼分布的生物激活组织.
  • AggreBots提供了一种对生物灵感运动的可预测控制方法.
  • 这种方法建立了形态"杆",用于规划和验证组织运动性的变化.