Tip off the HAT– Epigenetic control of learning and memory by Drosophila Tip60

S Xu, F Elefant - Fly, 2015 - Taylor & Francis
Disruption of epigenetic gene control mechanisms involving histone acetylation in the brain
causes cognitive impairment, a debilitating hallmark of most neurodegenerative disorders …

Epigenetic Control of Learning and Memory in Drosophila by Tip60 HAT Action

S Xu, R Wilf, T Menon, P Panikker, J Sarthi, F Elefant - Genetics, 2014 - academic.oup.com
Disruption of epigenetic gene control mechanisms in the brain causes significant cognitive
impairment that is a debilitating hallmark of most neurodegenerative disorders, including …

Disruption of Tip60 HAT mediated neural histone acetylation homeostasis is an early common event in neurodegenerative diseases

M Beaver, A Bhatnagar, P Panikker, H Zhang… - Scientific reports, 2020 - nature.com
Epigenetic dysregulation is a common mechanism shared by molecularly and clinically
heterogenous neurodegenerative diseases (NDs). Histone acetylation homeostasis …

dTip60 HAT Activity Controls Synaptic Bouton Expansion at the Drosophila Neuromuscular Junction

J Sarthi, F Elefant - PloS one, 2011 - journals.plos.org
Background Histone acetylation of chromatin plays a key role in promoting the dynamic
transcriptional responses in neurons that influence the neuroplasticity linked to cognitive …

Microarray analysis uncovers a role for Tip60 in nervous system function and general metabolism

M Lorbeck, K Pirooznia, J Sarthi, X Zhu, F Elefant - PLoS One, 2011 - journals.plos.org
Background Tip60 is a key histone acetyltransferase (HAT) enzyme that plays a central role
in diverse biological processes critical for general cell function; however, the chromatin …

Tip60 HAT Activity Mediates APP Induced Lethality and Apoptotic Cell Death in the CNS of a Drosophila Alzheimer's Disease Model

SK Pirooznia, J Sarthi, AA Johnson, MS Toth, K Chiu… - 2012 - journals.plos.org
Histone acetylation of chromatin promotes dynamic transcriptional responses in neurons
that influence neuroplasticity critical for cognitive ability. It has been demonstrated that Tip60 …

Restoring Tip60 HAT/HDAC2 balance in the neurodegenerative brain relieves epigenetic transcriptional repression and reinstates cognition

P Panikker, SJ Xu, H Zhang, J Sarthi… - Journal of …, 2018 - Soc Neuroscience
Cognitive decline is a debilitating hallmark during preclinical stages of Alzheimer's disease
(AD), yet the causes remain unclear. Because histone acetylation homeostasis is critical for …

Increasing Tip60 HAT levels rescues axonal transport defects and associated behavioral phenotypes in a Drosophila Alzheimer's disease model

AA Johnson, J Sarthi, SK Pirooznia… - Journal of …, 2013 - Soc Neuroscience
Axonal transport defects and axonopathy are prominent in early preclinical stages of
Alzheimer's disease (AD), often preceding known disease-related pathology by over a year …

Epigenetic Regulation of Axonal Growth of Drosophila Pacemaker Cells by Histone Acetyltransferase Tip60 Controls Sleep

SK Pirooznia, K Chiu, MT Chan, JE Zimmerman… - Genetics, 2012 - academic.oup.com
Tip60 is a histone acetyltransferase (HAT) enzyme that epigenetically regulates genes
enriched for neuronal functions through interaction with the amyloid precursor protein (APP) …

Tip60 protects against amyloid-β-induced transcriptomic alterations via different modes of action in early versus late stages of neurodegeneration

H Zhang, BC Karisetty, A Bhatnagar, EM Armour… - Molecular and Cellular …, 2020 - Elsevier
Alzheimer's disease (AD) is an age-related neurodegenerative disorder hallmarked by
amyloid-β (Aβ) plaque accumulation, neuronal cell death, and cognitive deficits that worsen …