---
_id: '1867'
abstract:
- lang: eng
text: Cultured mammalian cells essential are model systems in basic biology research,
production platforms of proteins for medical use, and testbeds in synthetic biology.
Flavin cofactors, in particular flavin mononucleotide (FMN) and flavin adenine
dinucleotide (FAD), are critical for cellular redox reactions and sense light
in naturally occurring photoreceptors and optogenetic tools. Here, we quantified
flavin contents of commonly used mammalian cell lines. We first compared three
procedures for extraction of free and noncovalently protein-bound flavins and
verified extraction using fluorescence spectroscopy. For separation, two CE methods
with different BGEs were established, and detection was performed by LED-induced
fluorescence with limit of detections (LODs 0.5-3.8 nM). We found that riboflavin
(RF), FMN, and FAD contents varied significantly between cell lines. RF (3.1-14
amol/cell) and FAD (2.2-17.0 amol/cell) were the predominant flavins, while FMN
(0.46-3.4 amol/cell) was found at markedly lower levels. Observed flavin contents
agree with those previously extracted from mammalian tissues, yet reduced forms
of RF were detected that were not described previously. Quantification of flavins
in mammalian cell lines will allow a better understanding of cellular redox reactions
and optogenetic tools.
author:
- first_name: Jens
full_name: Hühner, Jens
last_name: Hühner
- first_name: Álvaro
full_name: Inglés Prieto, Álvaro
id: 2A9DB292-F248-11E8-B48F-1D18A9856A87
last_name: Inglés Prieto
orcid: 0000-0002-5409-8571
- first_name: Christian
full_name: Neusüß, Christian
last_name: Neusüß
- first_name: Michael
full_name: Lämmerhofer, Michael
last_name: Lämmerhofer
- first_name: Harald L
full_name: Janovjak, Harald L
id: 33BA6C30-F248-11E8-B48F-1D18A9856A87
last_name: Janovjak
orcid: 0000-0002-8023-9315
citation:
ama: Hühner J, Inglés Prieto Á, Neusüß C, Lämmerhofer M, Janovjak HL. Quantification
of riboflavin, flavin mononucleotide, and flavin adenine dinucleotide in mammalian
model cells by CE with LED-induced fluorescence detection. Electrophoresis.
2015;36(4):518-525. doi:10.1002/elps.201400451
apa: Hühner, J., Inglés Prieto, Á., Neusüß, C., Lämmerhofer, M., & Janovjak,
H. L. (2015). Quantification of riboflavin, flavin mononucleotide, and flavin
adenine dinucleotide in mammalian model cells by CE with LED-induced fluorescence
detection. Electrophoresis. Wiley. https://doi.org/10.1002/elps.201400451
chicago: Hühner, Jens, Álvaro Inglés Prieto, Christian Neusüß, Michael Lämmerhofer,
and Harald L Janovjak. “Quantification of Riboflavin, Flavin Mononucleotide, and
Flavin Adenine Dinucleotide in Mammalian Model Cells by CE with LED-Induced Fluorescence
Detection.” Electrophoresis. Wiley, 2015. https://doi.org/10.1002/elps.201400451.
ieee: J. Hühner, Á. Inglés Prieto, C. Neusüß, M. Lämmerhofer, and H. L. Janovjak,
“Quantification of riboflavin, flavin mononucleotide, and flavin adenine dinucleotide
in mammalian model cells by CE with LED-induced fluorescence detection,” Electrophoresis,
vol. 36, no. 4. Wiley, pp. 518–525, 2015.
ista: Hühner J, Inglés Prieto Á, Neusüß C, Lämmerhofer M, Janovjak HL. 2015. Quantification
of riboflavin, flavin mononucleotide, and flavin adenine dinucleotide in mammalian
model cells by CE with LED-induced fluorescence detection. Electrophoresis. 36(4),
518–525.
mla: Hühner, Jens, et al. “Quantification of Riboflavin, Flavin Mononucleotide,
and Flavin Adenine Dinucleotide in Mammalian Model Cells by CE with LED-Induced
Fluorescence Detection.” Electrophoresis, vol. 36, no. 4, Wiley, 2015,
pp. 518–25, doi:10.1002/elps.201400451.
short: J. Hühner, Á. Inglés Prieto, C. Neusüß, M. Lämmerhofer, H.L. Janovjak, Electrophoresis
36 (2015) 518–525.
date_created: 2018-12-11T11:54:26Z
date_published: 2015-02-01T00:00:00Z
date_updated: 2021-01-12T06:53:43Z
day: '01'
department:
- _id: HaJa
doi: 10.1002/elps.201400451
ec_funded: 1
intvolume: ' 36'
issue: '4'
language:
- iso: eng
month: '02'
oa_version: None
page: 518 - 525
project:
- _id: 25548C20-B435-11E9-9278-68D0E5697425
call_identifier: FP7
grant_number: '303564'
name: Microbial Ion Channels for Synthetic Neurobiology
- _id: 255BFFFA-B435-11E9-9278-68D0E5697425
grant_number: RGY0084/2012
name: In situ real-time imaging of neurotransmitter signaling using designer optical
sensors (HFSP Young Investigator)
publication: Electrophoresis
publication_status: published
publisher: Wiley
publist_id: '5230'
pubrep_id: '836'
quality_controlled: '1'
scopus_import: 1
status: public
title: Quantification of riboflavin, flavin mononucleotide, and flavin adenine dinucleotide
in mammalian model cells by CE with LED-induced fluorescence detection
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 36
year: '2015'
...