Dendritic remodeling of D1 neurons by RhoA/Rho-kinase mediates depression-like behavior

ME Fox, R Chandra, MS Menken, EJ Larkin… - Molecular …, 2020 - nature.com
Depression alters the structure and function of brain reward circuitry. Preclinical evidence
suggests that medium spiny neurons (MSNs) in the nucleus accumbens (NAc) undergo …

The selective RhoA inhibitor rhosin promotes stress resiliency through enhancing D1-medium spiny neuron plasticity and reducing hyperexcitability

TC Francis, A Gaynor, R Chandra, ME Fox, MK Lobo - Biological psychiatry, 2019 - Elsevier
Background Nucleus accumbens dopamine 1 receptor medium spiny neurons (D1-MSNs)
play a critical role in the development of depression-like behavior in mice. Social defeat …

Nucleus accumbens medium spiny neuron subtypes mediate depression-related outcomes to social defeat stress

TC Francis, R Chandra, DM Friend, E Finkel, G Dayrit… - Biological …, 2015 - Elsevier
Background The nucleus accumbens is a critical mediator of depression-related outcomes
to social defeat stress. Previous studies demonstrate distinct neuroplasticity adaptations in …

Molecular basis of dendritic atrophy and activity in stress susceptibility

TC Francis, R Chandra, A Gaynor, P Konkalmatt… - Molecular …, 2017 - nature.com
Molecular and cellular adaptations in nucleus accumbens (NAc) medium spiny neurons
(MSNs) underlie stress-induced depression-like behavior, but the molecular substrates …

Dendritic spine density is increased on nucleus accumbens D2 neurons after chronic social defeat

ME Fox, A Figueiredo, MS Menken, MK Lobo - Scientific reports, 2020 - nature.com
Stress alters the structure and function of brain reward circuitry and is an important risk factor
for developing depression. In the nucleus accumbens (NAc), structural and physiological …

Dopamine D1 receptor subtype mediates acute stress-induced dendritic growth in excitatory neurons of the medial prefrontal cortex and contributes to suppression of …

R Shinohara, M Taniguchi, AT Ehrlich… - Molecular …, 2018 - nature.com
Dopamine in prefrontal cortices is implicated in cognitive and emotional functions, and the
dysfunction of prefrontal dopamine has been associated with cognitive and emotional …

Dendritic spines in depression: what we learned from animal models

H Qiao, MX Li, C Xu, HB Chen, SC An… - Neural plasticity, 2016 - Wiley Online Library
Depression, a severe psychiatric disorder, has been studied for decades, but the underlying
mechanisms still remain largely unknown. Depression is closely associated with alterations …

Social defeat stress-specific increase in c-Fos expression in the extended amygdala in mice: Involvement of dopamine D1 receptor in the medial prefrontal cortex

C Numa, H Nagai, M Taniguchi, M Nagai… - Scientific reports, 2019 - nature.com
We recently reported that dopamine D1 receptor in the medial prefrontal cortex (mPFC) is
activated by subthreshold social defeat stress and suppresses the induction of depressive …

Impairment of synaptic plasticity by the stress mediator CRH involves selective destruction of thin dendritic spines via RhoA signaling

Y Chen, EA Kramár, LY Chen, AH Babayan… - Molecular …, 2013 - nature.com
Stress is ubiquitous in modern life and exerts profound effects on cognitive and emotional
functions. Thus, whereas acute stress enhances memory, longer episodes exert negative …

Epigenetic regulation of RAC1 induces synaptic remodeling in stress disorders and depression

SA Golden, DJ Christoffel, M Heshmati, GE Hodes… - Nature medicine, 2013 - nature.com
Depression induces structural and functional synaptic plasticity in brain reward circuits,
although the mechanisms promoting these changes and their relevance to behavioral …