ORCID "0000-0002-6242-3709" Rejeneratif ve Restoratif Tıp Araştırmaları Merkezi (REMER) için listeleme
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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 ... -
Delayed therapeutic administration of melatonin enhances neuronal survival through AKT and MAPK signaling pathways following focal brain ischemia in mice
Kılıç, Ülkan; Elibol, Birsen; Çağlayan, Ahmet Burak; Beker, Mustafa Çağlar; Beker, Merve; Altuğ Tasa, Burcugül; Uysal, Ömer; Yılmaz, Bayram; Kılıç, Ertuğrul (Springer Nature, 2022)Melatonin has a role in the cell survival signaling pathways as a candidate for secondary stroke prevention. Therefore, in the present study, the coordination of ipsilateral and contralateral hemispheres to evaluate delayed ... -
Effects of normobaric oxygen and melatonin on reperfusion injury: Role of cerebral microcirculation
Beker, Mustafa; Çağlayan, Ahmet Burak; Keleştemur, Taha; Çaǧlayan, Berrak; Yalçın, Esra; Yuluǧ, Burak; Kılıç, Ülkan; Hermann, Dirk Matthias; Kılıç, Ertuğrul (Impact Journals, 2015)In order to protect the brain before an irreversible injury occurs, penumbral oxygenation is the primary goal of current acute ischemic stroke treatment. However, hyperoxia treatment remains controversial due to the risk ... -
The effects of topical liposomal resveratrol on incisional and excisional wound healing process
Günal, Mehmet Yalçın; Ayla, Şule; Bedri, Nejda; Beker, Mustafa Çağlar; Çağlayan, Ahmet Burak; Aslan, İsmail; Özdemir, Ekrem Musa; Yeşilada, Erdem; Kılıç, Ülkan (Turkish Society of Dermatology and Venereology, 2019)Background and Design: The objective of this study was to investigate the wound healing activity of different concentrations of liposomal trans-resveratrol formulations on incisional and excisional wounds in rats. Materials ... -
Evidence that activation of P2X7R does not exacerbate neuronal death after optic nerve transection and focal cerebral ischemia in mice
Çağlayan, Berrak; Çağlayan, Ahmet Burak; Beker, Mustafa Çağlar; Yalçın, Esra; Beker, Merve; Keleştemur, Taha; Sertel, Elif; Öztürk, Gürkan; Kılıç, Ülkan; Şahin, Fikrettin; Kılıç, Ertuğrul (Academic Press Inc Elsevier Science, 2017)Conflicting data in the literature about the function of P2X7R in survival following ischemia necessitates the conductance of in-depth studies. To investigate the impacts of activation vs inhibition of the receptor on ... -
Evidence that melatonin downregulates Nedd4-1 E3 ligase and its role in cellular survival
Yalçın, Esra; Beker, Mustafa Çağlar; Türkseven, Şeyma; Çağlayan, Berrak; Gürel, Büşra; Kılıç, Ülkan; Çağlayan, Ahmet Burak; Kalkan, Rabia; Baykal, Ahmet Tarık; Keleştemur, Taha; Kılıç, Ertuğrul (Academic Press Inc Elsevier Science, 2019)Indolamine melatonin structurally resembles non-covalent proteasome inhibitors; however, the role of ubiquitin proteasome system (UPS) in neuronal survival and how melatonin carries out UPS inhibition remain largely unknown. ... -
Inhibition of fatty acid synthesis aggravates brain injury, reduces blood-brain barrier integrity and impairs neurological recovery in a murine stroke model
Janssen, Lisa; Ai, Xiaoyu; Zheng, Xuan; Wei, Wei; Çağlayan, Ahmet Burak; Kılıç, Ertuğrul; Wang, Ya-chao; Hermann, Dirk M.; Venkataramani, Vivek; Baehr, Mathias; Doeppner, Thorsten R. (Frontiers Media SA, 2021)Inhibition of fatty acid synthesis (FAS) stimulates tumor cell death and reduces angiogenesis. When SH-SY5Y cells or primary neurons are exposed to hypoxia only, inhibition of FAS yields significantly enhanced cell injury. ... -
Interaction of melatonin and Bmal1 in the regulation of PI3K/AKT pathway components and cellular survival
Beker, Mustafa Çağlar; Çağlayan, Berrak; Çağlayan, Ahmet Burak; Kelestemur, Taha; Yalçın, Esra; Çağlayan, Aysun; Kılıç, Ülkan; Baykal, Ahmet Tarık; Reiter, Russel J.; Kılıç, Ertuğrul (Nature Publishing Group, 2019)The circadian rhythm is driven by a master clock within the suprachiasmatic nucleus which regulates the rhythmic secretion of melatonin. Bmal1 coordinates the rhythmic expression of transcriptome and regulates biological ... -
Lentivirally administered glial cell line-derived neurotrophic factor promotes post-ischemic neurological recovery, brain remodeling and contralesional pyramidal tract plasticity by regulating axonal growth inhibitors and guidance proteins
Beker, Merve; Çağlayan, Ahmet Burak; Beker, Mustafa Çağlar; Altunay, Serdar; Karaçay, Reyda; Dalay, Arman; Altıntaş, Mehmet Özgen; Torun Köse, Gamze; Hermann, Dirk M.; Kılıç, Ertuğrul (Academic Press Inc Elsevier Science, 2020)Owing to its potent longterm neuroprotective and neurorestorative properties, glial cell line-derived neurotrophic factor (GDNF) is currently studied in neurodegenerative disease clinical trials. However, little is known ... -
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 potential of carnosine in cerebrovascular diseases
Neelakandan, A. R.; Bae, Ok-Nam; Majid, Arshad; Çağlayan, Ahmet Burak; Rajanikant, G. K. (Springer, 2022)The growing prevalence, the risk of disabilities, and the lack of effective causal or disease-modifying therapies make cerebrovascular disorders a serious burden. Carnosine, an evolutionarily conserved endogenous dipeptide ... -
Normobaric oxygen treatment improves neuronal survival functional recovery and axonal plasticity after newborn hypoxia-ischemia
Keleştemur, Taha; Beker, Mustafa Çağlar; Çağlayan, Ahmet Burak; Çağlayan, Berrak; Altunay, Serdar; Kutlu, Selim; Kılıç, Ertuğrul (Elsevier, 2020)Background: Newborn hypoxia ischemia (HI) is one of the most prevalent cases in the emergency and can result from fetal hypoxia during delivery. In HI, restricted blood supply to the fetal brain may cause epilepsy or mental ... -
Particular phosphorylation of PI3K/Akt on Thr308 via PDK-1 and PTEN mediates melatonin's neuroprotective activity after focal cerebral ischemia in mice
Kılıç, Ülkan; Çağlayan, Ahmet Burak; Beker, Mustafa Çağlar; Günal, Mehmet Yalçın; Çağlayan, Berrak; Yalçın, Esra; Keleştemur, Taha; Gündoğdu, Reyhan Zeynep; Yuluğ, Burak; Yılmaz, Bayram; Kerman, Bilal Ersen; Kılıç, Ertuğrul (Elsevier Sciences Bv, 2017)Apart from its potent antioxidant property, recent studies have revealed that melatonin promotes PI3K/Akt phosphorylation following focal cerebral ischemia (FCI) in mice. However, it is not clear (i) whether increased ... -
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 ... -
Protective effect of lutein/zeaxanthin isomers in traumatic brain injury in mice
Günal, Mehmet Yalçın; Şakul, Ayşe Arzu; Çağlayan, Ahmet Burak; Erten, Füsun; Durmaz Kurşun, Öznur Ece; Kılıç, Ertuğrul; Şahin, Kazım (Springer, 2021)Previous studies revealed that oxidative stress and inflammation are the main contributors to secondary injury after traumatic brain injury (TBI). In an earlier study, we reported that lutein/zeaxanthin isomers (L/Zi) exert ...