Quyen Nguyen: Color-coded surgery TED Video

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SUMMARY

Quyen Nguyen's TEDMED presentation introduces a revolutionary molecular marker that enables tumors to emit a neon green glow, enhancing surgical precision. This innovation builds on the work of Dr. Roger Tsien, who developed the green fluorescent protein (GFP), a critical component in tumor and nerve staining technology. The discussion highlights the potential of fluorescent staining techniques, particularly in sentinel lymph node imaging using fluorescent quantum dots, which may surpass traditional methods. The advancements in fluorescent proteins, including the development of infrared fluorescent proteins (IFPs) from bacterial phytochromes, further expand the possibilities in surgical applications.

PREREQUISITES
  • Understanding of molecular markers in surgical applications
  • Familiarity with green fluorescent protein (GFP) technology
  • Knowledge of tumor and nerve staining techniques
  • Awareness of fluorescent quantum dots and their applications
NEXT STEPS
  • Research the applications of fluorescent quantum dots in sentinel lymph node imaging
  • Explore the mechanisms of infrared fluorescent proteins (IFPs) and their development
  • Investigate the role of site-directed mutagenesis in enhancing fluorescent proteins
  • Study the clinical implications of molecular markers in cancer surgery
USEFUL FOR

Surgeons, oncologists, medical researchers, and anyone interested in the latest advancements in surgical technology and cancer treatment methodologies.

rhody
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Color-coded surgery TED Video
Surgeons are taught from textbooks which conveniently color-code the types of tissues, but that's not what it looks like in real life -- until now. At TEDMED Quyen Nguyen demonstrates how a molecular marker can make tumors light up in neon green, showing surgeons exactly where to cut.
Tumor and Nerve staining is very cool, hats off to Dr. Roger Tsien (who shared Nobel Prize winner in Chemistry 2008) for creating the breakthrough green fluorescent protein which is the basis for the Tumor and Nerve staining technology. If this technology had been available when my wife had breast cancer five years ago, I suspect many lymph nodes would have been spared.

Rhody...
 
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I can't watch the video right now but fluorescent staining for tumours is an incredibly exciting field. You may be interested to read about sentinel lymph node imagine via fluorescent quantum dots (far more potential than conventional fluorescent markers).

Also, if by Green Fluorescent Protein you mean GFP this is also a remarkable tool but was adapted from a jellyfish rather than invented from scratch.
 
Ryan_m_b said:
Also, if by Green Fluorescent Protein you mean GFP this is also a remarkable tool but was adapted from a jellyfish rather than invented from scratch.
From the Tsien link, is this what you were referring to ?
In 2009, a new kind of IFP was developed by Tsien's group, and further reported and described by Science. The new IFPs are developed from bacterial phytochromes instead of from multicellular organism like jellyfish. Under normal conditions, bacterial phytochromes absorb light for signaling instead of fluorescence, but they can be turned fluorescent after deleting some of the signaling parts by genetic means such as site-directed mutagenesis. In order to fluorescence, tetrapyrrole is also required, however, it's abundant in living bodies.[

Rhody...