Observation of the absorption of the In-DTPA-hexa-lactoside (IDHL) and its distribution in vitro by ICP-MS and TOF-SIMS

Chun-Chao Chang, Chun Nan Chen, Wan Lu Liao, Tsui Yun Lo, Shiou Ling Lei, Fu-Der Mai

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The distribution of carbohydrate drug containing indiums 'In-DTPA-hexa-lactoside (IDHL)' in human hepatoblastoma cell line (HepG2) had been observed, and cell viability was investigated at the same time. The cell survival and mitochondrial metabolism of HepG2 after treated with 50 μΜ IDHL for 24 h were investigated by 3-[4,5-dimethylthiazol-2-yl]-2,5- diphenyltetra-zolium bromide assay, and the cytotoxicity was evaluated by lactate dehydrogenase method (LDH assay). The intracellular indium ion concentration was quantitated by inductively coupled plasma mass spectrometer. Besides, the distribution of indium ion in HepG2 was also analyzed by time-of-flight secondary ion mass spectrometry for comparison. The results demonstrated that there were only small amount of indium ions distributed inside the cytoplasm and the cell membrane. This means that HepG2 had very limited IDHL absorption, and there was almost no attachment of IDHL onto the HepG2 cell membrane. In these experiments, a parsing technique was established, which can shed some light on the understanding toward the absorption and distribution of these isotope compounds in vitro.

Original languageEnglish
Pages (from-to)251-254
Number of pages4
JournalSurface and Interface Analysis
Volume45
Issue number1
DOIs
Publication statusPublished - Jan 2013

Fingerprint

Pentetic Acid
inductively coupled plasma mass spectrometry
Secondary ion mass spectrometry
Indium
secondary ion mass spectrometry
indium
Cells
Cell membranes
Assays
Ions
lactates
dehydrogenases
cytoplasm
carbohydrates
Inductively coupled plasma
Mass spectrometers
metabolism
Cytotoxicity
Carbohydrates
ion concentration

Keywords

  • HepG2
  • ICP-MS
  • In-DTPA-hexa-lactoside(IDHL)
  • indium ion
  • TOF-SIMS

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Materials Chemistry
  • Surfaces, Coatings and Films

Cite this

Observation of the absorption of the In-DTPA-hexa-lactoside (IDHL) and its distribution in vitro by ICP-MS and TOF-SIMS. / Chang, Chun-Chao; Chen, Chun Nan; Liao, Wan Lu; Lo, Tsui Yun; Lei, Shiou Ling; Mai, Fu-Der.

In: Surface and Interface Analysis, Vol. 45, No. 1, 01.2013, p. 251-254.

Research output: Contribution to journalArticle

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