Chlorotoxin is a 36-amino acid peptide found in the venom of the deathstalker scorpion (Leiurus quinquestriatus). In Chemistry, an amino acid is a Molecule containing both Amine and Carboxyl Functional groups In Biochemistry, this Peptides (from the Greek πεπτίδια, "small digestibles" are short Polymers formed from the linking in a defined order of α- Amino This article is about the class of Biotoxins For other uses see Venom (disambiguation and Venomous (disambiguation. The deathstalker ( Leiurus quinquestriatus) is a Species of Scorpion, a member of the Buthidae family. A synthetically modified version, 131I-chlorotoxin or TM-601, is under investigation for the treatment of gliomas, because it specifically binds to glial tumor cells, but not normal cells. A glioma is a type of Cancer that starts in the brain or spine
Researchers at Seattle Children’s Hospital Research Institute and Fred Hutchinson Cancer Research Center have recently used Chlorotoxin in combination with fluorescent material named, Cy5.5 to demarcate cancer cells from the surrounding normal cells. Nobel Prize Recipients The Hutchinson Center is home to three recipients of the Nobel Prize in physiology or medicine. Fluorescence is a Luminescence that is mostly found as an Cyanine is a non-systematic name of a synthetic dye family belonging to Polymethine group Chlorotoxin:Cy5. 5 is a fluorescent molecule emitting photons in the near infrared spectrum and hence can be visualized in the operating room with the aid of infrared glasses. Infrared ( IR) radiation is Electromagnetic radiation whose Wavelength is longer than that of Visible light, but shorter than that of Current technology (such as MRI with contrast agent) can distinguish tumors from healthy tissue only if more than 1 million cancer cells are present. Studies in mouse models have shown that Cy5. 5 can identify tumors with as few as 2000 cancer cells, making it 500 times more sensitive than MRI. This gives surgeons a better chance of removing all of the cancerous cells without injuring the surrounding healthy tissue. There are plans to conduct a clinical trial, so Chlorotoxin:Cy5. In health care clinical trials are conducted to allow safety and Efficacy data to be collected for new drugs or devices 5 could be used in operating rooms in as little as 18 months.
References
- ^ Children's Hospital and Regional Medical Center of Seattle at EurekAlert! (2007-07-12). Year 2007 ( MMVII) was a Common year starting on Monday of the Gregorian calendar in the 21st century. Events 1191 - Saladin 's garrison surrenders ending the two-year Siege of Acre. "Tumor painting revolutionizes fight against cancer (Researchers develop Chlorotoxin:Cy5.5 enabling surgeons to see cancer cells 500 times better than an MRI)". Press release. A news release, media release, press release or press statement is a written or recorded Communication directed at members of the News Retrieved on 2006-07-15. Year 2006 ( MMVI) was a Common year starting on Sunday of the Gregorian calendar. Events 1099 - First Crusade: Christian soldiers take the Church of the Holy Sepulchre in Jerusalem after the final
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