4.5 Article

Effects of salinomycin on human bone marrow-derived mesenchymal stem cells in vitro

Journal

TOXICOLOGY LETTERS
Volume 218, Issue 3, Pages 207-214

Publisher

ELSEVIER IRELAND LTD
DOI: 10.1016/j.toxlet.2013.02.001

Keywords

Salinomycin; Human bone marrow mesenchymal stem cells; Toxicity

Categories

Funding

  1. Rudolf Bartling Foundation

Ask authors/readers for more resources

Various hypotheses on the origin of cancer stem cells (CSCs) exist, including that CSCs develop from transformed human bone marrow mesenchymal stem cells (hBMSC). Since the polyether antibiotic salinomycin selectively kills CSCs, the present study aims to elucidate the effects of salinomycin on normal hBMSC. The immunophenotype of hBMSC after salinomycin exposure was observed by flow cytometry. The multi-differentiation capacity of hBMSC was evaluated by Oil Red O and van Kossa staining. Cytotoxic effects of salinomycin were monitored by the [3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide] (MTT) assay. Furthermore, spheroid formation and migration capacity were assessed. There were no differences in the immunophenotype and multi-differentiation capacity of hBMSC induced by salinomycin treatment. Cytotoxic effects were observed at concentrations of 30 mu M and above. Neither the migration capability nor the ability to form spheroids was affected. Essential functional properties of hBMSC were unaffected by salinomycin. However, dose-dependent cytotoxicity effects could be observed. Overall, low dose salinomycin showed no negative effects on hBMSC. Since mesenchymal stem cells from various sources respond differently, further in vitro studies are needed to clarify the effect of salinomycin on tissue-specific stem cells. (c) 2013 Elsevier Ireland Ltd. All rights reserved.

Authors

I am an author on this paper
Click your name to claim this paper and add it to your profile.

Reviews

Primary Rating

4.5
Not enough ratings

Secondary Ratings

Novelty
-
Significance
-
Scientific rigor
-
Rate this paper

Recommended

Article Otorhinolaryngology

Precise evaluation of the postoperative cochlear duct length by flat-panel volume computed tomography - Application of secondary reconstructions

Philipp Schendzielorz, Lukas Ilgen, Franz-Tassilo Mueller-Graff, Laurent Noyalet, Johannes Voelker, Johannes Taeger, Rudolf Hagen, Tilmann Neun, Simon Zabler, Daniel Althoff, Kristen Rak

Summary: The study aimed to improve the accuracy of cochlear measurements postoperatively using fpVCT(SECO) technique. Results showed no significant difference in 2TL measurements, while there was a slight underestimation in CDL postoperatively. These findings can provide guidance for electrode selection and frequency mapping.

COCHLEAR IMPLANTS INTERNATIONAL (2022)

Review Cell Biology

Microtubule and auditory function-an underestimated connection

Linda Bieniussa, Ipsa Jain, Montserrat Bosch Grau, Lukas Juergens, Rudolf Hagen, Carsten Janke, Kristen Rak

Summary: The organ of Corti in the inner ear is responsible for converting auditory signals into neuronal action potentials for processing by the brain. While the role of actin in hearing has been well-studied, this article highlights the importance of microtubules and their regulating mechanisms in the cochlea's function and their implications for hearing research.

SEMINARS IN CELL & DEVELOPMENTAL BIOLOGY (2023)

Article Surgery

Vestibular Aqueduct Morphology and Meniere's Disease-Development of the Vestibular Aqueduct Score by 3D Analysis

Laurent Noyalet, Lukas Ilgen, Miriam Buerklein, Wafaa Shehata-Dieler, Johannes Taeger, Rudolf Hagen, Tilmann Neun, Simon Zabler, Daniel Althoff, Kristen Rak

Summary: Improved radiological examinations with newly developed 3D models can increase understanding of Meniere's disease (MD). By measuring the angle and length of the vestibular aqueduct (VA) in the temporal bone, and constructing a 3D model to develop the vestibular aqueduct score (VAS), it can be effectively used for diagnostic investigation.

FRONTIERS IN SURGERY (2022)

Article Otorhinolaryngology

Cochlear Implantation: Evaluation of Cochlear Duct Length (CDL)

Fraryz-Tassilo Mueller-Graff, Kristen Rak

Summary: Personalized care is crucial in cochlear implantation. Choosing the right electrode length is important for improved speech understanding. Measurements of cochlear length, especially using radiological imaging, play a significant role in pre- and post-operative evaluation, electrode fitting, and positioning.

LARYNGO-RHINO-OTOLOGIE (2022)

Article Audiology & Speech-Language Pathology

Intraoperative Auditory Brainstem Response Measurements via the Vibrant Soundbridge Active Middle Ear Implant: Comparison of Two Methods

Mario Cebulla, David P. Herrmann, Rudolf Hagen, Kristen Rak

Summary: This study compared two methods of stimulus presentation during auditory brainstem response (ABR) measurements with the Vibrant Soundbridge (VSB) implant. Results showed that using the AcoustiAP for stimulus transmission provided minimal signal distortions and had similar performance to the wireless method. Additionally, the new system allowed for a more stable connection to the implant.

AMERICAN JOURNAL OF AUDIOLOGY (2022)

Article Clinical Neurology

Pegylated Insulin-Like Growth Factor 1 attenuates Hair Cell Loss and promotes Presynaptic Maintenance of Medial Olivocochlear Cholinergic Fibers in the Cochlea of the Progressive Motor Neuropathy Mouse

Linda Bieniussa, Baran Kahraman, Johannes Skornicka, Annemarie Schulte, Johannes Voelker, Sibylle Jablonka, Rudolf Hagen, Kristen Rak

Summary: This study investigated the effect of peg-IGF-1 treatment on the auditory system in the PMN mouse model. The results showed positive effects on OHC synapses and MOC fibers, but no restoration of hearing could be achieved. It suggests that the synaptic pathology of efferent MOC fibers in PMN mice represents a unique form of auditory neuropathy.

FRONTIERS IN NEUROLOGY (2022)

Article Multidisciplinary Sciences

Application of intentional facial nerve stimulation during cochlear implantation as an electrophysiological tool to estimate the intracochlear electrode position

David P. Herrmann, Franz-Tassilo Mueller-Graff, Stefan Kaulitz, Mario Cebulla, Anja Kurz, Rudolf Hagen, Tilmann Neun, Kristen Rak

Summary: This study demonstrates the feasibility of using evoked electromyographic (EMG) activation of the facial nerve to monitor the electrode insertion during cochlear implantation (CI). The results show that the EMG response evoked by electrical stimulation from the CI increases as the stimulating contact gets closer to the facial nerve during insertion. After full insertion, the contacts on the apical half of the CI array stimulate higher EMG responses compared to those on the basal half.

SCIENTIFIC REPORTS (2022)

Article Health Care Sciences & Services

The Online HEARRING Counselling 1.0 Platform Provides Clinicians with Comprehensive Information on Hearing Device Solutions for Conductive, Mixed, and Sensorineural Hearing Loss

Rudolf Hagen, Kristen Rak, Anja Kurz, Wolf-Dieter Baumgartner, Javier Gavilan, Paul van de Heyning

Summary: A platform named HEARRING Counselling 1.0 was developed to help clinicians provide comprehensive information to hearing device candidates regarding their treatment options and establish realistic expectations. The platform has received positive feedback and will be expanded to cover more treatment options.

JOURNAL OF PERSONALIZED MEDICINE (2022)

Article Otorhinolaryngology

Accuracy of radiological prediction of electrode position with otological planning software and implications of high-resolution imaging

Franz-Tassilo Muller-Graff, Johannes Voelker, Anja Kurz, Rudolf Hagen, Tilmann Neun, Kristen Rak

Summary: The preoperative prediction of electrode position in cochlear implantation can be accurately done using otological planning software and different clinical imaging modalities. High-resolution imaging, such as fpVCT(SECO), is recommended for more accurate predictions.

COCHLEAR IMPLANTS INTERNATIONAL (2023)

Article Clinical Neurology

Application of an Intraoperative Auditory Brainstem Response Measurement System in Active Middle Ear Implant Revision Surgery

Kristen Rak, Carolina Koestler, Ute Geiger, Stefan Kaulitz, David Herrmann, Wafaa Shehata-Dieler, Rudolf Hagen, Mario Cebulla

Summary: The objective of this study was to investigate the benefit of intraoperative auditory brainstem response (ABR) measurements in revision active middle ear implant surgery. Results showed that the application of ABR measurement improved sound field thresholds and enhanced speech understanding. Analysis revealed a significant correlation between intraoperative gain in ABR threshold and postoperative gain in sound field thresholds. Therefore, ABR monitoring can be a useful tool to improve postoperative hearing success, especially in revision surgeries.

OTOLOGY & NEUROTOLOGY (2023)

Article Health Care Sciences & Services

A Novel Representation of Audiological and Subjective Findings for Acoustical, Bone Conduction and Direct Drive Hearing Solutions

Georg Mathias Sprinzl, Astrid Magele, Philipp Schoerg, Rudolf Hagen, Kristen Rak, Anja Kurz, Paul Van de Heyning, Miryam Calvino, Luis Lassaletta, Javier Gavilan

Summary: This study aims to evaluate the overall benefits of hearing rehabilitation by presenting both audiological and subjective outcomes in one graph using data from an existing study. The graph allows tracking the user's performance over time and visualizing the correlation between different measures.

JOURNAL OF PERSONALIZED MEDICINE (2023)

Article Biology

Neurogenic Stem Cell Niche in the Auditory Thalamus: In Vitro Evidence of Neural Stem Cells in the Rat Medial Geniculate Body

Jonas Engert, Bjoern Spahn, Linda Bieniussa, Rudolf Hagen, Kristen Rak, Johannes Voelker

Summary: This study aimed to investigate the neural stem cell potential of the medial geniculate body (MGB). The findings showed that MGB cells exhibited the cardinal features of neural stem cells, including self-renewal, formation of progenitor cells, and differentiation into all neuronal lineage cells. These findings contribute to a better understanding of the development of the auditory pathway.

LIFE-BASEL (2023)

Article Clinical Neurology

Electrically evoked auditory responses: A classification for brainstem implant placement in Neurofibromatosis Type 2

Cordula Matthies, Laura Zeller, Anja Kurz, Kristen Rak, Rudolf Hagen, Wafaa Shehata-Dieler

Summary: This study provides a new EABR Classification Scheme for ABI surgery based on the analysis of EABR data. The findings show that all 23 subjects had EABR at the final ABI position and experienced auditory sensations at first activation. The most common EABR morphology consisted of two peaks, Classes B and C.

CLINICAL NEUROPHYSIOLOGY (2023)

Article Health Care Sciences & Services

Using Anatomy-Based Fitting to Reduce Frequency-to-Place Mismatch in Experienced Bilateral Cochlear Implant Users: A Promising Concept

Anja Kurz, David Herrmann, Rudolf Hagen, Kristen Rak

Summary: Anatomy-based fitting (ABF) maps are potentially more effective than conventional clinically based fitting (CBF) methods for cochlear implant (CI) users. ABF maps were created using information from exact electrode contact positions determined by high-resolution computer tomography and clinical fitting software. In a study involving 10 bilateral CI users, the ABF map provided better speech understanding in quiet and noisy environments compared to the CBF map. Participants were more likely to accept the ABF map if their electrode array stimulated the apical region of their cochlea. The self-perceived sound quality with the ABF map was similar to the CBF map. ABF mapping may be an effective tool to compensate for frequency-to-place mismatch in experienced bilateral CI users.

JOURNAL OF PERSONALIZED MEDICINE (2023)

Article Biology

mRNA Abundance of Neurogenic Factors Correlates with Hearing Capacity in Auditory Brainstem Nuclei of the Rat

Jonas Engert, Julia Doll, Barbara Vona, Totta Ehret Kasemo, Bjoern Spahn, Rudolf Hagen, Kristen Rak, Johannes Voelker

Summary: This study investigated the changes in mRNA abundance of genes influencing neural stem cell development and neurogenesis in the rat cochlear nucleus over time. Age- and hearing-specific patterns of changes in mRNA abundance of neurogenically relevant genes were detected. Crucial neurogenic factors with significant and relevant influence on neurogenesis were identified. These findings contribute to a better understanding of the molecular mechanisms underlying the neurogenesis of the auditory pathway.

LIFE-BASEL (2023)

No Data Available