Madlen Guenther

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BACKGROUND Triggering receptor expressed on myeloid cells-2 (TREM2) is a microglial surface receptor involved in phagocytosis. Clearance of apoptotic debris after stroke represents an important mechanism to re-attain tissue homeostasis and thereby ensure functional recovery. The role of TREM2 following stroke is currently unclear. METHODS AND RESULTS As(More)
Following cerebral injuries such as stroke, a structural and functional reorganization of the impaired tissue occurs, which is often accompanied by a re-expression of developmental genes. During brain development, embryonic splice variants of the GABA-synthesizing GAD67 gene (collectively termed EGAD) participate in cell proliferation, migration, and(More)
BACKGROUND Aging is a major risk factor for a variety of neurobiological diseases leading to variations of transcriptional expression in affected tissues. Reverse transcription of RNA followed by quantitative PCR is a powerful technique for detection and quantification of specific transcripts differentially expressed. An essential prerequisite for accurate(More)
Stroke survivors often recover from motor deficits, either spontaneously or with the support of rehabilitative training. Since tonic GABAergic inhibition controls network excitability, it may be involved in recovery. Middle cerebral artery occlusion in rodents reduces tonic GABAergic inhibition in the structurally intact motor cortex (M1). Transcript and(More)
In addition to their well known function in astrocyte coupling, gap junction forming connexins are also important for cell proliferation, migration and differentiation during brain development. The aim of this study was to determine whether loss of the main astrocytic connexins, connexin 43 (Cx43) or connexin 30 (Cx30), influences various stages of adult(More)
Age-induced neuroinflammation could be a contributing factor to the restricted neurogenesis in aged mice. Indomethacin, a common non-steroidal anti-inflammatory drug, has been demonstrated to partially restore neurogenesis under pathophysiological inflammation-associated conditions in adult C57BL/6 mice. This study investigated whether indomethacin is able(More)
Increased age is a major risk factor for stroke incidence and post-ischemic mortality. To develop age-adjusted therapeutic interventions, a clear understanding of the complexity of age-related post-ischemic mechanisms is essential. Transient occlusion of the middle cerebral artery--a model that closely resembles human stroke--was used to induce cerebral(More)
The brain plays a central role in organismal aging but is itself most sensitive to aging-related functional impairments and pathologies. Insights into processes underlying brain aging are the basis to positively impact brain health. Using high-throughput RNA sequencing and quantitative polymerase chain reaction (PCR), we monitored cerebral gene expression(More)
Aberrations in intracellular calcium (Ca2+) have been well established within amyotrophic lateral sclerosis (ALS), a severe motor neuron disease. Intracellular Ca2+ concentration is controlled in part through the endoplasmic reticulum (ER) mitochondria Ca2+ cycle (ERMCC). The ER supplies Ca2+ to the mitochondria at close contacts between the two organelles,(More)
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