Cell type-specific roles of RAS-MAPK signaling in learning and memory: Implications in neurodevelopmental disorders

HH Ryu, YS Lee - Neurobiology of learning and memory, 2016 - Elsevier
The RAS-mitogen-activated protein kinase (MAPK) signaling pathway plays critical roles in
brain function, including learning and memory. Mutations of molecules in the RAS-MAPK …

Mechanism and treatment for learning and memory deficits in mouse models of Noonan syndrome

…, M Zhou, JY Oh, M Kang, C Kwak, HH Ryu… - Nature …, 2014 - nature.com
In Noonan syndrome (NS) 30–50% of subjects show cognitive deficits of unknown etiology
and with no known treatment. Here, we report that knock-in mice expressing either of two NS-…

Autophagy regulates amyotrophic lateral sclerosis-linked fused in sarcoma-positive stress granules in neurons

HH Ryu, MH Jun, KJ Min, DJ Jang, YS Lee, HK Kim… - Neurobiology of …, 2014 - Elsevier
… Author links open overlay panel Hyun-Hee Ryu a b 1 , Mi-Hee Jun a 1 , Kyung-Jin Min a , …
Hyun-Hee Ryu, Mi-Hee Jun, Kyung-Jin Min and Jin-A Lee performed most of the experiments. …

Autophagy negatively regulates early axon growth in cortical neurons

BK Ban, MH Jun, HH Ryu, DJ Jang… - … and cellular biology, 2013 - Taylor & Francis
Neurite growth requires neurite extension and retraction, which are associated with protein
degradation. Autophagy is a conserved bulk degradation pathway that regulates several …

STIM1 regulates somatic Ca2+ signals and intrinsic firing properties of cerebellar Purkinje neurons

C Ryu, DC Jang, D Jung, YG Kim, HG Shim… - Journal of …, 2017 - Soc Neuroscience
Control of Ca 2+ flux between the cytosol and intracellular Ca 2+ stores is essential for
maintaining normal cellular function. It has been well established in both neuronal and non-…

[PDF][PDF] Vascular and neurogenic rejuvenation in aging mice by modulation of ASM

…, JY Lee, KH Park, IK Jung, KT Kim, YS Lee, HH Ryu… - Neuron, 2018 - cell.com
Although many reports have revealed dysfunction of endothelial cells in aging, resulting in
blood-brain barrier (BBB) breakdown, the underlying mechanism or mechanisms remain to …

Enhancing inhibitory synaptic function reverses spatial memory deficits in Shank2 mutant mice

…, SJ Kang, TH Kim, HG Ko, J Lee, J Yang, HH Ryu… - …, 2017 - Elsevier
Autism spectrum disorders (ASDs) are a group of developmental disorders that cause variable
and heterogeneous phenotypes across three behavioral domains such as atypical social …

[HTML][HTML] Impaired learning and memory in CD38 null mutant mice

S Kim, TH Kim, HR Lee, EH Jang, HH Ryu, M Kang… - Molecular brain, 2016 - Springer
CD38 is an enzyme that catalyzes the formation of cyclic ADP ribose and nicotinic acid
adenine dinucleotide phosphate, both of which are involved in the mobilization of Ca 2+ from …

[PDF][PDF] Cerebellar nuclei neurons projecting to the lateral parabrachial nucleus modulate classical fear conditioning

KD Hwang, J Baek, HH Ryu, J Lee, HG Shim, SY Kim… - Cell Reports, 2023 - cell.com
Multiple brain regions are engaged in classical fear conditioning. Despite evidence for
cerebellar involvement in fear conditioning, the mechanisms by which cerebellar outputs …

Excitatory neuron–specific SHP2-ERK signaling network regulates synaptic plasticity and memory

HH Ryu, TH Kim, JW Kim, M Kang, P Park, YG Kim… - Science …, 2019 - science.org
Mutations in RAS signaling pathway components cause diverse neurodevelopmental disorders,
collectively called RASopathies. Previous studies have suggested that dysregulation in …