Membrane Organization

Membrane organization is the spatial arrangement and dynamic coordination of lipids, proteins, carbohydrates, and cytoskeletal connections within a cell membrane, a structure that controls communication between the cell and its environment. In the lipid bilayer, molecular interactions create transient or stable membrane domains, while protein clustering, membrane curvature, and cytoskeletal attachments regulate receptor mobility, transport, and signal transmission. In cancer research, altered membrane organization can influence growth-factor signaling, cell adhesion, migration, and interactions with the immune system. Studying these changes helps researchers understand tumor progression and identify membrane-associated biomarkers or therapeutic targets.

Membrane Organization - Related Videos

Research

JoVE Journal - Biology

Studying the Supramolecular Organization of Photosynthetic Membranes within Freeze-fractured Leaf Tissues by Cryo-scanning Electron Microscopy

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Cited by 19 •

2016

Here we describe a procedure for studying freeze-fractured plant tissues. High-pressure frozen leaf samples are freeze-fractured and double-layer coated, yielding well preserved frozen-hydrated samples that are imaged using the cryo-scanning electron microscope at high magnifications with minimal beam damage.

Organic Structure-directing Agent-free Synthesis for *BEA-type Zeolite Membrane

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Cited by 2 •

2020

A *BEA seed crystal was loaded on a porous α-Al2O3 support by the dip-coating method, and hydrothermally grown without using an organic structure-directing agent. A *BEA-type zeolite membrane having very few defects was successfully prepared by the secondary growth method.

Electrophoretic Crystallization of Ultrathin High-performance Metal-organic Framework Membranes

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Cited by 8 •

2018

A simple, reproducible, and versatile approach for the synthesis of intergrown, polycrystalline metal-organic framework membranes on a wide range of unmodified porous and non-porous supports is presented.

Education

JoVE Science Education - Basic Biology

Organ-on-Chip Models

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2026

Introduction to Organ-on-Chip Models Organ-on-chip models are advanced microphysiological systems that recreate key structural and functional features of human organs in a controlled laboratory setting. These devices integrate living human cells within microfluidic channels, allowing researchers to simulate tissue–tissue interfaces, fluid flow, and mechanical forces that are essential for normal organ function. Unlike traditional cell cultures, which often lack these dynamic physiological cues,...

Research

JoVE Journal - Biology
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Use of a Robot for High-throughput Crystallization of Membrane Proteins in Lipidic Mesophases

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Cited by 47 •

2012

Herein is described a robotic approach to high-throughput crystallization of membrane proteins in lipidic mesophases for use in structure determination using macromolecular X-ray crystallography. Three robots capable of handling the viscous and sticky protein-laden mesophase integral to the method are introduced.

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