4.7 Article

Targeted Molecular Imaging of Cancer Cells Using MS2-Based 129Xe NMR

Journal

BIOCONJUGATE CHEMISTRY
Volume 27, Issue 8, Pages 1796-1801

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acs.bioconjchem.6b00275

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Funding

  1. HHMI International Student Research Fellowship
  2. Villum Kann Rasmussens Foundation
  3. Laboratory Directed Research and Development Program at Lawrence Berkeley National Laboratories
  4. Berkeley Chemical Biology Graduate Program (NIH) [1 T32 GM066698]
  5. Department of Defense through the National Defense Science and Engineering Graduate Fellowship
  6. U.S. Department of Energy, Office of Science, Basic Energy Sciences, Materials Sciences and Engineering Division [DE-AC02-05CH11231]

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We have synthesized targeted, selective, and highly sensitive Xe-129 NMR nanoscale biosensors using a spherical MS2 viral capsid, Cryptophane A molecules, and DNA aptamers. The biosensors showed strong binding specificity toward targeted lymphoma cells (Ramos line). Hyper polarized Xe-129 NMR signal contrast and hyper-CEST Xe-129 MM image contrast indicated its promise as highly sensitive hyperpolarized Xe-129 NMR nanoscale biosensor for future applications in cancer detection in vivo.

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