Passage of DMP across a disrupted BBB in the context of antibody-mediated MR imaging of brain metastases.

Jeff W Bulte, M. W. de Jonge, L. de Leij, T. H. The, R. L. Kamman, B. Blaauw, F. Zuiderveen, K. G. Go

Research output: Contribution to journalArticle

Abstract

To study the possible application of monoclonal antibody/dextran-magnetite conjugates in specific MR imaging of brain metastases, both components of these conjugates were tested for their ability to penetrate the endothelium during conditions of local blood-brain barrier (BBB) impairment. The passage of dextran-magnetite particles (DMP) across a disrupted blood-brain barrier was studied in a freezing lesion model using electron microscopy (EM) and MR imaging. One hour after i.v. injection, focal accumulation of DMP in capillary endothelial cells within the freezing lesion was shown by EM. In parallel with this, MR imaging indicated a strong contrast enhancement in the lesion. EM observations showed that the particles were still present in the endothelial cells four and eight hours after injection. The passage of an anti-small cell lung cancer (SCLC) monoclonal antibody across the endothelium of intracerebrally xenografted human SCLC was studied using immunohistological techniques. It was found that passage across endothelial cell occurred in the tumor within four hours after injection.

Original languageEnglish (US)
Pages (from-to)43-45
Number of pages3
JournalActa Neurochirurgica, Supplement
Volume51
StatePublished - 1990
Externally publishedYes

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Ferrosoferric Oxide
Dextrans
Blood-Brain Barrier
Neuroimaging
Electron Microscopy
Endothelial Cells
Small Cell Lung Carcinoma
Neoplasm Metastasis
Freezing
Injections
Endothelium
Antibodies
Monoclonal Antibodies
Neoplasms

ASJC Scopus subject areas

  • Medicine(all)
  • Clinical Neurology

Cite this

Bulte, J. W., de Jonge, M. W., de Leij, L., The, T. H., Kamman, R. L., Blaauw, B., ... Go, K. G. (1990). Passage of DMP across a disrupted BBB in the context of antibody-mediated MR imaging of brain metastases. Acta Neurochirurgica, Supplement, 51, 43-45.

Passage of DMP across a disrupted BBB in the context of antibody-mediated MR imaging of brain metastases. / Bulte, Jeff W; de Jonge, M. W.; de Leij, L.; The, T. H.; Kamman, R. L.; Blaauw, B.; Zuiderveen, F.; Go, K. G.

In: Acta Neurochirurgica, Supplement, Vol. 51, 1990, p. 43-45.

Research output: Contribution to journalArticle

Bulte, JW, de Jonge, MW, de Leij, L, The, TH, Kamman, RL, Blaauw, B, Zuiderveen, F & Go, KG 1990, 'Passage of DMP across a disrupted BBB in the context of antibody-mediated MR imaging of brain metastases.', Acta Neurochirurgica, Supplement, vol. 51, pp. 43-45.
Bulte, Jeff W ; de Jonge, M. W. ; de Leij, L. ; The, T. H. ; Kamman, R. L. ; Blaauw, B. ; Zuiderveen, F. ; Go, K. G. / Passage of DMP across a disrupted BBB in the context of antibody-mediated MR imaging of brain metastases. In: Acta Neurochirurgica, Supplement. 1990 ; Vol. 51. pp. 43-45.
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