The MTT test is performed to determine the in vitro cytotoxicity of selected chemicals. The mitochondrial enzyme succinate deydrogenase is responsible for the biotransformation of toxic agents and MTT. The ability of cells to reduce MTT provides an indication of the mitochondrial integrity and

Last updated on: 28-02-2022 - 10:59

Contact: Axelle Cooreman
Organisation: Vrije Universiteit Brussel (VUB)
Status: History of use
The standard operating procedure describes a method to assess the cholestasis-inducing potential of chemicals, in casu in cultures of primary rat hepatocytes. The procedure relies on the accumulation of the fluorescent bile salt export pump (Bsep) substrate cholyl-lysyl-fluorescein (CLF) in the

Last updated on: 28-02-2022 - 10:59

Organisation: Vrije Universiteit Brussel (VUB)
The standard operating procedure for Sudan Red III in situ staining of cultured rat hepatocytes describes how to detect one of the aspects of drug-induced cytotoxicity i.e. the intracellular accumulation of lipids or in other words steatosis, in primary rat hepatocyte cultures. It is based on the

Last updated on: 28-02-2022 - 10:59

Organisation: Vrije Universiteit Brussel (VUB)
The present standard procedure describes a protocol for measuring the urea concentration in supernatant of human stem cell-derived hepatocyte-like cells. This procedure relies on a chromogenic reagent that forms a colored complex specifically with urea. The latter can be measured and is directly

Last updated on: 28-02-2022 - 10:59

Contact: Cannot be disclosed
Organisation: Vrije Universiteit Brussel (VUB)
Status: History of use, Internally validated
Basically, the standard operating procedure outlined in this document consists of the following steps, namely, (i) preparation of the cells for the DCFH-DA assay, (ii) DCFH-DA test procedure, (iii) processing of the results. Practical details are provided for each of these steps and are followed by

Last updated on: 28-02-2022 - 10:59

Contact: Cannot be disclosed
Organisation: Vrije Universiteit Brussel (VUB)
Status: History of use, Internally validated
The method detects two facets of drug-induced cytotoxicity i.e. the intracellular accumulation of phospholipids and of neutral lipids, i.e. phospholipidosis and steatosis respectively. The assay makes use of a kit containing an aqueous, red-fluorescent formulation of labelled phospholipids (LipidTOX

Last updated on: 28-02-2022 - 10:58

Contact: Kaat Leroy
Organisation: Vrije Universiteit Brussel (VUB)
Status: History of use
This method assesses general cytotoxicity. Upon disruption of the cell membrane, lactate dehydrogenase (LDH) is released. LDH catalyzes the interconversion of pyruvate and lactate with concomitant interconversion of reduced (NADH) and oxidized (NAD+) nicotinamide adenine dinucleotide. The principle

Last updated on: 28-02-2022 - 10:58

Contact: Kaat Leroy
Organisation: Vrije Universiteit Brussel (VUB)
Status: History of use
Human embryonic kidney (HEK) 293 FT cells is a celline that is very easy to culture and is used to obtain high viral titers. “293” is a reference to the 293th experiment wherein the cell line was discovered. A transfection with an adenovirus type 5 DNA fragment took place, causing the cell line to

Last updated on: 28-02-2022 - 10:58

Contact: Matthias Rombaut
Organisation: Vrije Universiteit Brussel (VUB)
Status: History of use
The multiplex immunoassay is based on the Luminex technology and allows the detection of diphtheria, tetanus and acellular pertussis antigens of human combined vaccines in the same run. As potency test of these vaccines are currently performed on animal through challenge and/or serological assays,

Last updated on: 28-02-2022 - 09:19

Contact: Maxime Vermeulen
Organisation: Sciensano
Partners: VAC2VAC
Status: Still in development
Maaike Vercauteren developed the innovative in vitro 'two-chamber skin explant model'. Pieces of skin are kept and examined in a controlled laboratory environment. This is no sinecure, because the skin must continue to function as if it were still attached to the fish. However, the tested setup

Last updated on: 22-02-2022 - 15:13

Contact: Cannot be disclosed
Organisation: Instituut voor Landbouw-, Visserij- en Voedingsonderzoek (ILVO), Ghent University (UGent)
Status: Internally validated