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Feasibility of induced metabolic bioluminescence imaging in advanced ovarian cancer patients: first results of a pilot study.

Abstract：

PURPOSE:The precise determination of energy metabolites is challenged by the heterogeneity of their distribution, their rapid changes after surgical resection and the architectural complexity of malignancies. Induced metabolic bioluminescence imaging (imBI) allows to determine energy metabolites in tissue sections and to co-localize these with histological structures based on consecutive sections stained with HE. In this prospective pilot study patients with suspected advanced ovarian cancer (OC) were enrolled to prove the feasibility of imBI. METHODS:During surgery, suspicious peritoneal metastases were resected and transferred in liquid nitrogen within 30 s. ATP, glucose and lactate concentrations were measured. Furthermore, the expression of monocarboxylate transporters MCT1 and MCT4 was determined by immunofluorescence staining. RESULTS:16 patients were screened, 12 entered the study. Final histological assessment revealed ten malignant and two benign peritoneal lesions. In all 12 cases high concentrations of ATP suggested that energy metabolism was not altered by the surgical and transport procedures (mean 0.56 μmol/g, range 0.24-1.21 μmol/g). The mean concentration of glucose was 1.95 μmol/g (range 0.58-4.71 μmol/g). The concentration of lactate was drastically higher in the ten OC cases (mean 24.79 μmol/g, range 17.51-37.16 μmol/g) compared to the benign samples (mean 5.98 μmol/g, range 5.43-6.54 μmol/g). Lactate concentrations seem to correlate with MCT1 (spearman rank correlation ρ = 0.624, 0.05 > p > 0.025), but not with MCT4 (spearman rank correlation ρ = 0.018, p > 0.1). CONCLUSIONS:ImBI is feasible in peritoneal metastases of OC and encourages further effort to elucidate the role of glucose, lactate, MCT1 and MCT4 in OC.

journal_name

J Cancer Res Clin Oncol

journal_title

Journal of cancer research and clinical oncology

authors

Battista MJ,Goetze K,Schmidt M,Cotarelo C,Weyer-Elberich V,Hasenburg A,Mueller-Klieser W,Walenta S

doi

10.1007/s00432-016-2200-x

subject

Has Abstract

pub_date

2016-09-01 00:00:00

pages

1909-16

issue

eissn

0171-5216

issn

1432-1335

pii

10.1007/s00432-016-2200-x

journal_volume

142

pub_type

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Feasibility of induced metabolic bioluminescence imaging in advanced ovarian cancer patients: first results of a pilot study.