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32 Results Found

  • Article
  • Open Access
13 Citations
7,620 Views
13 Pages

5 September 2013

Vitamin E, such as alpha-tocopherol (ATPH) and alpha-tocotrienol (ATTN), is a chain-breaking antioxidant that prevents the chain propagation step during lipid peroxidation. In the present study, we investigated the effects of ATTN on KA-induced neuro...

  • Article
  • Open Access
13 Citations
3,625 Views
16 Pages

Glioblastoma-Derived Three-Dimensional Ex Vivo Models to Evaluate Effects and Efficacy of Tumor Treating Fields (TTFields)

  • Vera Nickl,
  • Ellina Schulz,
  • Ellaine Salvador,
  • Laureen Trautmann,
  • Leopold Diener,
  • Almuth F. Kessler,
  • Camelia M. Monoranu,
  • Faramarz Dehghani,
  • Ralf-Ingo Ernestus and
  • Carsten Hagemann
  • + 1 author

22 October 2022

Glioblastoma (GBM) displays a wide range of inter- and intra-tumoral heterogeneity contributing to therapeutic resistance and relapse. Although Tumor Treating Fields (TTFields) are effective for the treatment of GBM, there is a lack of ex vivo models...

  • Article
  • Open Access
16 Citations
7,657 Views
12 Pages

9 April 2014

Endogenous melatonin is a known free radical scavenger that removes reactive oxygen species (ROS), thus, alleviating oxidative stress. The purpose of this study was to demonstrate its effect against kainic acid (KA)-induced oxidative stress in organo...

  • Article
  • Open Access
24 Citations
4,538 Views
27 Pages

Neurogenic and Neuroprotective Potential of Stem/Stromal Cells Derived from Adipose Tissue

  • Anna Figiel-Dabrowska,
  • Klaudia Radoszkiewicz,
  • Paulina Rybkowska,
  • Natalia Ewa Krzesniak,
  • Dorota Sulejczak and
  • Anna Sarnowska

11 June 2021

Currently, the number of stem-cell based experimental therapies in neurological injuries and neurodegenerative disorders has been massively increasing. Despite the fact that we still have not obtained strong evidence of mesenchymal stem/stromal cells...

  • Review
  • Open Access
17 Citations
4,409 Views
13 Pages

Representing an important cause of long–term disability, term neonatal hypoxic-ischemic encephalopathy (HIE) urgently needs further research aimed at repurposing existing drug as well as developing new therapeutics. Since various experimental i...

  • Article
  • Open Access
23 Citations
8,127 Views
16 Pages

Neuritogenic and Neuroprotective Effects of Polar Steroids from the Far East Starfishes Patiria pectinifera and Distolasterias nipon

  • Natalia V. Palyanova,
  • Tatyana M. Pankova,
  • Marina V. Starostina,
  • Alla A. Kicha,
  • Natalia V. Ivanchina and
  • Valentin A. Stonik

3 May 2013

The neuritogenic and neuroprotective activities of six starfish polar steroids, asterosaponin Р1, (25S)-5α-cholestane-3β,4β,6α,7α,8,15α,16β,26-octaol, and (25S)-5α-cholestane-3β,6α,7α,8,15α,16β,26-heptaol (1–3) from the starfish Patiria pectinifera...

  • Article
  • Open Access
14 Citations
9,088 Views
13 Pages

Endogenous Protease Nexin-1 Protects against Cerebral Ischemia

  • Osvaldo Mirante,
  • Melanie Price,
  • Wilfredo Puentes,
  • Ximena Castillo,
  • Corinne Benakis,
  • Jonathan Thevenet,
  • Denis Monard and
  • Lorenz Hirt

14 August 2013

The serine protease thrombin plays a role in signalling ischemic neuronal death in the brain. Paradoxically, endogenous neuroprotective mechanisms can be triggered by preconditioning with thrombin (thrombin preconditioning, TPC), leading to tolerance...

  • Article
  • Open Access
5 Citations
4,232 Views
14 Pages

Variants of Oxidized Regenerated Cellulose and Their Distinct Effects on Neuronal Tissue

  • Joshua Kleine,
  • Sandra Leisz,
  • Chalid Ghadban,
  • Tim Hohmann,
  • Julian Prell,
  • Christian Scheller,
  • Christian Strauss,
  • Sebastian Simmermacher and
  • Faramarz Dehghani

25 October 2021

Based on oxidized regenerated cellulose (ORC), several hemostyptic materials, such as Tabotamp®, Equicel® and Equitamp®, have been developed to approach challenging hemostasis in neurosurgery. The present study compares ORC that differ in terms of co...

  • Article
  • Open Access
7 Citations
3,922 Views
16 Pages

Fructose-1,6-Bisphosphate Protects Hippocampal Rat Slices from NMDA Excitotoxicity

  • Kamal M. Yakoub,
  • Giacomo Lazzarino,
  • Angela M. Amorini,
  • Giuseppe Caruso,
  • Concetta Scazzone,
  • Marcello Ciaccio,
  • Barbara Tavazzi,
  • Giuseppe Lazzarino,
  • Antonio Belli and
  • Valentina Di Pietro

Effects of fructose 1,6-bisphosphate (F-1,6-P2) towards N-methyl-d-aspartate NMDA excitotoxicity were evaluated in rat organotypic hippocampal brain slice cultures (OHSC) challenged for 3 h with 30 μM NMDA, followed by incubations (24, 48, and 72...

  • Article
  • Open Access
16 Citations
5,570 Views
20 Pages

Oligodendrocyte progenitor cells (OPCs) constitute one of the main populations of dividing cells in the central nervous system (CNS). Physiologically, OPCs give rise to mature, myelinating oligodendrocytes and confer trophic support to their neighbor...

  • Article
  • Open Access
2 Citations
5,089 Views
18 Pages

Organotypic Hippocampal Slice Cultures from Adult Tauopathy Mice and Theragnostic Evaluation of Nanomaterial Phospho-TAU Antibody-Conjugates

  • Susanna Kemppainen,
  • Nadine Huber,
  • Roosa-Maria Willman,
  • Ana Zamora,
  • Petra Mäkinen,
  • Henna Martiskainen,
  • Mari Takalo,
  • Annakaisa Haapasalo,
  • Tomás Sobrino and
  • Mikko Hiltunen
  • + 4 authors

18 May 2023

Organotypic slice culture models surpass conventional in vitro methods in many aspects. They retain all tissue-resident cell types and tissue hierarchy. For studying multifactorial neurodegenerative diseases such as tauopathies, it is crucial to main...

  • Article
  • Open Access
26 Citations
5,086 Views
21 Pages

Protective Effect of N-Arachidonoyl Glycine-GPR18 Signaling after Excitotoxical Lesion in Murine Organotypic Hippocampal Slice Cultures

  • Urszula Grabiec,
  • Tim Hohmann,
  • Chalid Ghadban,
  • Candy Rothgänger,
  • Daniel Wong,
  • Alexandra Antonietti,
  • Thomas Groth,
  • Ken Mackie and
  • Faramarz Dehghani

N-arachidonoyl glycine (NAGly) is an endocannabinoid involved in the regulation of different immune cells. It was shown to activate the GPR18 receptor, which was postulated to switch macrophages from cytotoxic to reparative. To study GPR18 expression...

  • Article
  • Open Access
15 Citations
6,374 Views
16 Pages

Upconverting Nanoparticles as a New Bio-Imaging Strategy—Investigating Intracellular Trafficking of Endogenous Processes in Neural Tissue

  • Karolina Zajdel,
  • Justyna Janowska,
  • Małgorzata Frontczak-Baniewicz,
  • Joanna Sypecka and
  • Bożena Sikora

In recent years, rare-earth-doped upconverting nanoparticles (UCNPs) have been widely used in different life sciences due to their unique properties. Nanoparticles have become a multifunctional and promising new approach to neurobiological disorders...

  • Article
  • Open Access
2 Citations
2,188 Views
16 Pages

Investigating the Mitoprotective Effects of S1P Receptor Modulators Ex Vivo Using a Novel Semi-Automated Live Imaging Set-Up

  • Rebecca Ludwig,
  • Bimala Malla,
  • Maria Höhrhan,
  • Carmen Infante-Duarte and
  • Lina Anderhalten

23 December 2023

In multiple sclerosis (MS), mitochondrial alterations appear to contribute to disease progression. The sphingosine-1-phosphate receptor modulator siponimod is approved for treating secondary progressive MS. Its preceding compound fingolimod was shown...

  • Article
  • Open Access
11 Citations
3,294 Views
13 Pages

5 February 2021

Increased oxidative damage in the brain, which increases with age, is the cause of abnormal brain function and various diseases. Ascorbic acid (AA) is known as an endogenous antioxidant that provides neuronal protection against oxidative damage. Howe...

  • Article
  • Open Access
8 Citations
4,344 Views
22 Pages

23 August 2022

Tau pathology extends throughout the brain in a prion-like fashion through connected brain regions. However, the details of the underlying mechanisms are incompletely understood. The present study aims to examine the spreading of P301S aggregated tau...

  • Article
  • Open Access
10 Citations
4,486 Views
13 Pages

Alternative Brain Slice-on-a-Chip for Organotypic Culture and Effective Fluorescence Injection Testing

  • Pedro Herreros,
  • Silvia Tapia-González,
  • Laura Sánchez-Olivares,
  • María Fe Laguna Heras and
  • Miguel Holgado

25 February 2022

Mouse brain slices are one of the most common models to study brain development and functioning, increasing the number of study models that integrate microfluidic systems for hippocampal slice cultures. This report presents an alternative brain slice...

  • Article
  • Open Access
14 Citations
6,756 Views
17 Pages

Enhanced Neuroprotective Effects of Panax ginseng G115® and Ginkgo biloba GK501® Combinations In Vitro Models of Excitotoxicity

  • Elisa Landucci,
  • Domenico E. Pellegrini-Giampietro,
  • Anna Rita Bilia and
  • Maria Camilla Bergonzi

22 November 2019

Neurological-related disorders are seen as an increasingly important aspect of welfare. While conventional medicine is still the mainstay for the treatment of these diseases, it is becoming apparent that patients are also seeking more natural and pre...

  • Article
  • Open Access
311 Views
18 Pages

Effects of Exogenous SARS-CoV-2 S1 Protein and mRNA Vaccines on Mixed Neuronal–Glial Cell Cultures

  • Vytenis Markevičius,
  • Eimina Dirvelytė-Valauskė,
  • Urtė Neniškytė and
  • Vilmantė Borutaitė

17 January 2026

Background and Objectives: SARS-CoV-2 produces potentially pathogenic molecules, such as single-stranded RNA and spike proteins, which can potentially activate microglial cells. In this study, we aimed to investigate whether SARS-CoV-2 spike protein...

  • Article
  • Open Access
6 Citations
3,158 Views
25 Pages

30 January 2024

Alzheimer’s disease (AD) is a progressive neurodegenerative disorder that is characterized by amyloid-beta (Aβ) plaques and tau neurofibrillary tangles (NFT). Modelling aspects of AD is challenging due to its complex multifactorial etiolog...

  • Article
  • Open Access
38 Citations
3,808 Views
11 Pages

Neuroprotective Effects of Thymoquinone by the Modulation of ER Stress and Apoptotic Pathway in In Vitro Model of Excitotoxicity

  • Elisa Landucci,
  • Costanza Mazzantini,
  • Daniela Buonvicino,
  • Domenico E. Pellegrini-Giampietro and
  • Maria Camilla Bergonzi

13 March 2021

Experimental evidence indicates that the activation of ionotropic glutamate receptors plays an important role in neurological disorders’ models such as epilepsy, cerebral ischemia and trauma. The glutamate receptor agonist kainic acid (KA) induces se...

  • Article
  • Open Access
3 Citations
3,298 Views
21 Pages

Characterization of pSer129-αSyn Pathology and Neurofilament Light-Chain Release across In Vivo, Ex Vivo, and In Vitro Models of Pre-Formed-Fibril-Induced αSyn Aggregation

  • Maja L. Hansen,
  • Malene Ambjørn,
  • Mikkel N. Harndahl,
  • Tau Benned-Jensen,
  • Karina Fog,
  • Kaare Bjerregaard-Andersen and
  • Florence Sotty

29 January 2024

Protein aggregation is a predominant feature of many neurodegenerative diseases, including synucleinopathies, which are characterized by cellular inclusions containing α-Synuclein (αSyn) phosphorylated at serine 129 (pSer129). In the pres...

  • Article
  • Open Access
13 Citations
6,337 Views
17 Pages

The Impact of Non-Lethal Single-Dose Radiation on Tumor Invasion and Cytoskeletal Properties

  • Tim Hohmann,
  • Urszula Grabiec,
  • Carolin Vogel,
  • Chalid Ghadban,
  • Stephan Ensminger,
  • Matthias Bache,
  • Dirk Vordermark and
  • Faramarz Dehghani

18 September 2017

Irradiation is the standard therapy for glioblastoma multiforme. Glioblastoma are highly resistant to radiotherapy and the underlying mechanisms remain unclear. To better understand the biological effects of irradiation on glioblastoma cells, we test...

  • Article
  • Open Access
5 Citations
3,031 Views
15 Pages

Alteration of Neural Network and Hippocampal Slice Activation through Exosomes Derived from 5XFAD Nasal Lavage Fluid

  • Sangseong Kim,
  • Jaekyong Jeon,
  • Dulguun Ganbat,
  • Taewoon Kim,
  • Kyusoon Shin,
  • Sungho Hong and
  • Jongwook Hong

14 September 2023

Exosomes, key mediators of intercellular transmission of pathogenic proteins, such as amyloid-beta and tau, significantly influence the progression and exacerbation of Alzheimer’s disease (AD) pathology. Present in a variety of biological fluid...

  • Article
  • Open Access
778 Views
24 Pages

15 November 2025

Accumulation of the microtubule-associated protein TAU into inclusions is a hallmark of tauopathies including Alzheimer’s disease (AD), potentially driven by impaired protein degradation and dysregulated ubiquitination. To explore the role of d...

  • Article
  • Open Access
19 Citations
3,829 Views
20 Pages

Umbelliferone Ameliorates Memory Impairment and Enhances Hippocampal Synaptic Plasticity in Scopolamine-Induced Rat Model

  • Ga-Young Choi,
  • Hyun-Bum Kim,
  • Jae-Min Cho,
  • Inturu Sreelatha,
  • In-Seo Lee,
  • Hee-Seok Kweon,
  • Sehyun Sul,
  • Sun Ae Kim,
  • Sungho Maeng and
  • Ji-Ho Park

17 May 2023

Alzheimer’s disease (AD) is a neurodegenerative disorder, characterized by memory loss and cognitive decline. Among the suggested pathogenic mechanisms of AD, the cholinergic hypothesis proposes that AD symptoms are a result of reduced synthesi...

  • Article
  • Open Access
48 Citations
7,444 Views
21 Pages

Melatonin Stimulates Dendrite Formation and Complexity in the Hilar Zone of the Rat Hippocampus: Participation of the Ca++/Calmodulin Complex

  • Aline Domínguez-Alonso,
  • Marcela Valdés-Tovar,
  • Héctor Solís-Chagoyán and
  • Gloria Benítez-King

16 January 2015

Melatonin (MEL), the main product synthesized by the pineal gland, stimulates early and late stages of neurodevelopment in the adult brain. MEL increases dendrite length, thickness and complexity in the hilar and mossy neurons of hippocampus. Dendrit...

  • Article
  • Open Access
11 Citations
5,527 Views
20 Pages

Synthetic Cannabinoids Influence the Invasion of Glioblastoma Cell Lines in a Cell- and Receptor-Dependent Manner.

  • Tim Hohmann,
  • Kerstin Feese,
  • Thomas Greither,
  • Chalid Ghadban,
  • Vivian Jäger,
  • Faramarz Dehghani and
  • Urszula Grabiec

31 January 2019

The current treatment of glioblastoma is not sufficient, since they are heterogeneous and often resistant to chemotherapy. Earlier studies demonstrated effects of specific cannabinoid receptor (CB) agonists on the invasiveness of glioblastoma cell li...

  • Article
  • Open Access
6 Citations
3,841 Views
14 Pages

Nimodipine Exerts Time-Dependent Neuroprotective Effect after Excitotoxical Damage in Organotypic Slice Cultures

  • Urszula Hohmann,
  • Chalid Ghadban,
  • Tim Hohmann,
  • Joshua Kleine,
  • Miriam Schmidt,
  • Christian Scheller,
  • Christian Strauss and
  • Faramarz Dehghani

During injuries in the central nervous system, intrinsic protective processes become activated. However, cellular reactions, especially those of glia cells, are frequently unsatisfactory, and further exogenous protective mechanisms are necessary. Nim...

  • Article
  • Open Access
13 Citations
5,203 Views
15 Pages

Neuronal and Astrocytic Morphological Alterations Driven by Prolonged Exposure with Δ9-Tetrahydrocannabinol but Not Cannabidiol

  • Elisa Landucci,
  • Costanza Mazzantini,
  • Daniele Lana,
  • Maria Grazia Giovannini and
  • Domenico E. Pellegrini-Giampietro

21 January 2022

Cannabis derivatives are largely used in the general population for recreational and medical purposes, with the highest prevalence among adolescents, but chronic use and abuse has raised medical concerns. We investigated the prolonged effects of &Del...

  • Article
  • Open Access
381 Views
14 Pages

Region-Dependent Responses to Oxygen–Glucose Deprivation and Melatonin in Neonatal Brain Organotypic Slices

  • Gorane Beldarrain,
  • Unai Montejo,
  • Marc Chillida,
  • Jon Ander Alart,
  • Antonia Álvarez and
  • Daniel Alonso-Alconada

22 December 2025

Hypoxic–ischemic encephalopathy remains a major cause of neonatal mortality and long-term neurological disability. Therapeutic hypothermia is currently the only available treatment in hospitals, but its efficacy is limited, making the search fo...

  • Article
  • Open Access
5,530 Views
13 Pages

22 August 2018

Organotypic hippocampal slice cultures were used to model the effects of neuroinflammatory conditions following an epileptic state on functional P2X7 receptors (Rs) of subgranular zone (SGZ) neural progenitor cells (NPCs). The compound, 4-aminopyridi...