Browsing by Author "Doeppner, Thorsten Roland"
Now showing items 1-17 of 17
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Acute and post-acute neuromodulation induces stroke recovery by promoting survival signaling, neurogenesis, and pyramidal tract plasticity
Çağlayan, Ahmet Burak; Beker, Mustafa Çağlar; Çağlayan, Berrak; Yalçın, Esra; Çağlayan, Aysun; Yuluğ, Burak; Hanoğlu, Lütfü; Kutlu, Selim; Doeppner, Thorsten Roland; Hermann, Dirk Matthias; Kılıç, Ertuğrul (Frontiers Media Sa, 2019)Repetitive transcranial magnetic stimulation (rTMS) has gained interest as a non-invasive treatment for stroke based on the data promoting its effects on functional recovery. However, the exact action mechanisms by which ... -
Cellular prion protein promotes post-ischemic neuronal survival, angioneurogenesis and enhances neural progenitor cell homing via proteasome inhibition
Doeppner, Thorsten Roland; Kaltwasser, Britta; Schlechter, Jana; Jaschke, J.; Kılıç, Ertuğrul; Baehr, Mathias; Hermann, Dirk Matthias; Weise, Jens (Nature Publishing Group, 2015)Although cellular prion protein (PrPc) has been suggested to have physiological roles in neurogenesis and angiogenesis, the pathophysiological relevance of both processes remain unknown. To elucidate the role of PrPc in ... -
Extracellular vesicles derived from neural progenitor cells--a preclinical evaluation for stroke treatment in mice
Zheng, Xuan; Zhang, Lin; Kuang, Yaoyun; Venkataramani, Vivek; Jin, Fengyan; Hein, Katharina; Zafeiriou, Maria Patapia; Lenz, Christof; Moebius, Wiebke; Kılıç, Ertuğrul; Hermann, Dirk Matthias; Weber, Martin S.; Urlaub, Henning; Zimmermann, Wolfram Hubertus; BäHR, Mathias; Doeppner, Thorsten Roland (Springer, 2021)Stem cells such as mesenchymal stem cells (MSCs) enhance neurological recovery in preclinical stroke models by secreting extracellular vesicles (EVs). Since previous reports have focused on the application of MSC-EVs only, ... -
Extracellular vesicles derived from neural progenitor cells--a preclinical evaluation for stroke treatment in mice (vol 12, pg 185, 2021)
Zheng, Xuan; Zhang, Lin; Kuang, Yaoyun; Venkataramani, Vivek; Jin, Fengyan; Hein, Katharina; Zafeiriou, Maria Patapia; Lenz, Christof; Moebius, Wiebke; Kılıç, Ertuğrul; Hermann, Dirk Matthias; Weber, Martin S.; Urlaub, Henning; Zimmermann, Wolfram Hubertus; BäHR, Mathias; Doeppner, Thorsten Roland (Springer, 2022)In the version of this article initially published, there were errors on pages 5 and 6. -
The indirect NMDAR antagonist acamprosate induces postischemic neurologic recovery associated with sustained neuroprotection and neuroregeneration
Doeppner, Thorsten Roland; Pehlke, Jens; Kaltwasser, Britta; Schlechter, Jana; Kılıç, Ertuğrul; Baehr, Mathias; Hermann, Dirk Matthias (Nature Publishing Group, 2015)Cerebral ischemia stimulates N-methyl-D-aspartate receptors (NMDARs) resulting in increased calcium concentration and excitotoxicity. Yet, deactivation of NMDAR failed in clinical studies due to poor preclinical study ... -
Lithium promotes long-term neurological recovery after spinal cord injury in mice by enhancing neuronal survival, gray and white matter remodeling, and long-distance axonal regeneration
Balçıkanlı, Zeynep; Çulha, İrem; Dilsiz, Pelin; Aydın, Mehmet Şerif; Ateş, Nilay; Beker, Mustafa Çağlar; Baltacı, Saltuk Buğra; Koç, Halil İbrahim; Yiğitbaşı, Ahmet; Gündoğar, Mustafa; Doeppner, Thorsten Roland; Hermann, Dirk M. (Frontiers Media S.A., 2022)Spinal cord injury (SCI) induces neurological deficits associated with long-term functional impairments. Since the current treatments remain ineffective, novel therapeutic options are needed. Besides its effect on bipolar ... -
Lithium-induced neuroprotection in stroke involves increased miR-124 expression, reduced RE1-silencing transcription factor abundance and decreased protein deubiquitination by GSK3 beta inhibition-independent pathways
Doeppner, Thorsten Roland; Kaltwasser, Britta; Sanchez-Mendoza, Eduardo H.; Çağlayan, Ahmet Burak; Baehr, Mathias; Hermann, Dirk M. (Sage Publication Inc., 2017)Lithium promotes acute poststroke neuronal survival, which includes mechanisms that are not limited to GSK3 inhibition. However, whether lithium induces long-term neuroprotection and enhanced brain remodeling is unclear. ... -
Neuroprotective effect of lithium in cold- induced traumatic brain injury in mice
Çiftci, Elvan; Karaçay, Reyda; Çağlayan, Aysun; Altunay, Serdar; Ateş, Nilay; Altıntaş, Mehmet Özgen; Doeppner, Thorsten Roland; Yuluğ, Burak; Kılıç, Ertuğrul (Elsevier, 2020)Apart from its well-established therapeutic activity on bipolar disorder and depression, lithium exerts neuroprotective activity upon neurodegenerative disorders, such as traumatic brain injury (TBI). However, the cellular ... -
Phosphodiesterase 10A deactivation induces long-term neurological recovery, peri-infarct remodeling and pyramidal tract plasticity after transient focal cerebral ischemia in mice
Beker, Mustafa Çağlar; Pençe, Mahmud Esad; Yağmur, Sümeyya; Çağlayan, Berrak; Çağlayan, Aysun; Kılıç, Ülkan; Yelkenci, Hayriye Ecem; Altıntaş, Mehmet Özgen; Çağlayan, Ahmet Burak; Doeppner, Thorsten Roland; Hermann, Dirk M.; Kılıç, Ertuğrul (Academic Press Inc., 2022)The phosphodiesterase (PDE) superfamily comprises enzymes responsible for the cAMP and cGMP degradation to AMP and GMP. PDEs are abundant in the brain, where they are involved in several neuronal functions. High PDE10A ... -
Phosphodiesterase 10A is a critical target for neuroprotection in a mouse model of ischemic stroke
Beker, Mustafa Çağlar; Çağlayan, Ahmet Burak; Altunay, Serdar; Özbay, Elif; Ateş, Nilay; Keleştemur, Taha; Çağlayan, Berrak; Kılıç, Ülkan; Doeppner, Thorsten Roland; Hermann, Dirk Matthias; Kılıç, Ertuğrul (Springer, 2022)Phosphodiesterase 10A (PDE10A) hydrolyzes adenosine 3 ',5 '-cyclic monophosphate (cAMP) and guanosine 3 ',5 '-cyclic monophosphate (cGMP). It is highly expressed in the striatum. Recent evidence implied that PDE10A may be ... -
Phosphorylation of PI3K/Akt at Thr308, but not phosphorylation of MAPK kinase, mediates lithium-induced neuroprotection against cerebral ischemia in mice
Ateş, Nilay; Çağlayan, Aysun; Balçıkanlı, Zeynep; Sertel, Elif; Beker, Mustafa Çağlar; Dilsiz, Pelin; Çağlayan, Ahmet Burak; Çelik, Süleyman; Daşdelen, Muhammed Furkan; Çağlayan, Berrak; Yiğitbaşı, Türkan; Özbek, Hanefi; Doeppner, Thorsten Roland; Hermann, Dirk Matthias; Kılıç, Ertuğrul (Academic Press Inc., 2022)Lithium, in addition to its effect on acute and long-term bipolar disorder, is involved in neuroprotection after ischemic stroke. Yet, its mechanism of action is still poorly understood, which was only limited to its ... -
Post-stroke transplantation of adult subventricular zone derived neural progenitor cells - A comprehensive analysis of cell delivery routes and their underlying mechanisms
Doeppner, Thorsten Roland; Kaltwasser, Britta; Teli, Mahesh; Sánchez-Mendoza, Eduardo; Kılıç, Ertuğrul; Baehr, Mathias; Hermann, Dirk Matthias (Academic Press, 2015)With neuroprotective approaches having failed until recently, current focus on experimental stroke research has switched towards manipulation of post-ischemic neuroregeneration. Transplantation of subventricular zone (SVZ) ... -
Preconditioned extracellular vesicles from hypoxic microglia reduce poststroke AQP4 depolarization, disturbed cerebrospinal fluid flow, astrogliosis, and neuroinflammation
Xin, Wenqiang; Pan, Yongli; Wei, Wei; Tatenhorst, Lars; Graf, Irina; Popa-Wagner, Aurel; Gerner, Stefan T.; Huber, Sabine; Kılıç, Ertuğrul; Hermann, Dirk M.; Bähr, Mathias; Huttner, Hagen B.; Doeppner, Thorsten Roland (NLM (Medline), 2023)Background: Stroke stimulates reactive astrogliosis, aquaporin 4 (AQP4) depolarization and neuroinflammation. Preconditioned extracellular vesicles (EVs) from microglia exposed to hypoxia, in turn, reduce poststroke brain ... -
Preconditioning concepts for the therapeutic use of extracellular vesicles against stroke
Haupt, Matteo; Gerner, Stefan T.; Huttner, Hagen B.; Doeppner, Thorsten Roland (Oxford University Press, 2023)Various preclinical stroke models have demonstrated the neuroprotective effects of extracellular vesicles (EVs) obtained from several types of cells, including neurons, astrocytes, microglia, neuronal progenitor cells, ... -
Sustained neurological recovery induced by resveratrol is associated with angioneurogenesis rather than neuroprotection after focal cerebral ischemia
Hermann, Dirk Matthias; Zechariah, Anil; Kaltwasser, Britta; Bosche, Bert; Çağlayan, Ahmet Burak; Kılıç, Ertuğrul; Doeppner, Thorsten Roland (Academic Press, 2015)According to the French paradox, red wine consumption reduces the incidence of vascular diseases even in the presence of highly saturated fatty acid intake. This phenomenon is widely attributed to the phytoalexin resveratrol, ... -
Systemic proteasome inhibition induces sustained post-stroke neurological recovery and neuroprotection via mechanisms involving reversal of peripheral immunosuppression and preservation of blood-brain-barrier integrity
Doeppner, Thorsten Roland; Kaltwasser, Britta; Kuckelkorn, Ulrike; Henkelein, Petra; Bretschneider, Eva; Kılıç, Ertuğrul; Hermann, Dirk M. (Springer, 2016)In view of its profound effect on cell survival and function, the modulation of the ubiquitin-proteasome-system has recently been shown to promote neurological recovery and brain remodeling after focal cerebral ischemia. ... -
The unconventional growth factors cerebral dopamine neurotrophic factor and mesencephalic astrocyte-derived neurotrophic factor promote post-ischemic neurological recovery, perilesional brain remodeling, and lesion-remote axonal plasticity
Çağlayan, Ahmet Burak; Beker, Mustafa Çağlar; Sertel Evren, Elif; Çağlayan, Berrak; Kılıç, Ülkan; Ateş, Nilay; Çağlayan, Aysun; Daşdelen, Muhammed Furkan; Doeppner, Thorsten Roland; Saarma, Mart; Hermann, Dirk Matthias; Kılıç, Ertuğrul (Springer, 2023)Considerable efforts are currently made to develop strategies that boost endogenous recovery once a stroke has occurred. Owing to their restorative properties, neurotrophic factors are attractive candidates that capitalize ...
