Paris Saponin

Paris saponins are steroidal glycosides found mainly in plants of the Paris genus, especially Paris polyphylla, and are important chemical constituents studied for their structural diversity and biological activity. Each molecule combines a steroidal sapogenin with one or more sugar chains, creating an amphiphilic structure that can interact with cell membranes, alter membrane permeability, and influence intracellular signaling. Chemists analyze these compounds through extraction, chromatographic separation, and spectroscopic characterization to distinguish variants such as polyphyllins. This work supports research into their cytotoxic, anti-inflammatory, and antimicrobial properties while clarifying structure–activity relationships relevant to drug discovery.

Paris Saponin - Related Videos

Research

JoVE Journal - Biology

Respirometric Oxidative Phosphorylation Assessment in Saponin-permeabilized Cardiac Fibers

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Cited by 32 •

2011

Saponin-permeabilized fiber preparation in conjunction with respirometric oxidative phosphorylation analysis provides integrative assessment of mitochondrial function. Mitochondrial respiration in physiological and pathological states can reflect various regulatory influences including mitochondrial interactions, morphology and biochemistry.

Identification of MyoD Interactome Using Tandem Affinity Purification Coupled to Mass Spectrometry

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Cited by 5 •

2016

MyoD is a myogenic transcription factor with a strong capacity to induce myogenic transdifferentiation of many fully differentiated non-muscle cell lines. The epigenetic mechanisms involved in this transdifferentiation are largely unknown. Here we describe a double-affinity purification method followed by mass spectrometry to exhaustively characterize MyoD partners.

Generation and Quantitative Characterization of Functional and Polarized Biliary Epithelial Cysts

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Cited by 3 •

2020

Three-dimensional (3D) cellular systems are relevant models for investigating organogenesis. A hydrogel-based method for biliary cysts production and their characterization is proposed. This protocol unravels the barriers of 3D characterization, with a straightforward and reliable method to assess cyst formation efficiency, sizes, and to test their functionality.

3D Magnetic Stem Cell Aggregation and Bioreactor Maturation for Cartilage Regeneration

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Cited by 12 •

2017

Chondrogenesis from stem cells requires fine tuning the culture conditions. Here, we present a magnetic approach for condensing cells, an essential step to initiate chondrogenesis. In addition, we show that dynamic maturation in a bioreactor applies mechanical stimulation to the cellular constructs and enhances cartilaginous extracellular matrix production.

Research

JoVE Journal - Bioengineering
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Localization and Relative Quantification of Carbon Nanotubes in Cells with Multispectral Imaging Flow Cytometry

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Cited by 18 •

2013

In this study, the main purpose was to monitor the cellular uptake and eventual exocytosis of carbon nanotubes (CNTs). From this perspective, we proposed here a unique method using multispectral imaging flow cytometry allowing a quantification and localization of CNTs in a statistically relevant number of cells.

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