RSS 1.0Welcome to the SUNY Open Access Repository
The SUNY Open Access Repository (SOAR) is a centrally managed online digital repository that stores, indexes, and makes available scholarly and creative works of SUNY faculty, students, and staff across SUNY campuses. SOAR serves as an open access platform for those SUNY campuses that do not have their own open access repository environments.
Access to SUNY campus communities in SOAR are available below under SUNY sectors and also listed alphabetically under the Campus Communities in SOAR on the navigation bar on the left.
Additional information includes
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Communities in SUNY Open Access Repository
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Recently Added
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Sleep disturbances and racial-ethnic disparities in 10-year dementia risk among a national sample of older adults in the USARace/ethnicity and sleep disturbances are associated with dementia risk.
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Inequities in palliative care delivery to patients with HIV and Stage IV cancers in the US (2004-2020)Background: People with HIV (PWH) diagnosed with stage-IV cancer are less likely to receive palliative care (PC) compared to those without HIV. Our objective was to evaluate inequities in PC receipt among PWH with stage IV cancer in the US. Methods: We used the National Cancer Database (2004-2020), including adult (18-89 years) PWH with the 14 most common cancers that occur among PWH. PC was defined as treatment provided with non-curative intent. Our main exposures included % quartiles of adults without a high school degree (educational attainment) and median income quartiles within the patient's zip code. We used hierarchical multivariable Poisson regression to estimate adjusted prevalence ratios(aPR) with 95% confidence intervals (95% CI), adjusting for age, sex, year of diagnosis, race/ethnicity, and cancer type. Results: Among the included 10,120 PWH with stage IV cancer, 72% were men, 51% were either non-Hispanic(NH)-Black or Hispanic/Latinx, 38% were aged ≥60 years, and 97% resided in urban areas. Fourteen percent received PC. NH-Black PWH living in zip-codes with lower quartiles of educational attainment were more likely to receive PC compared to those in the highest quartile (Q1vs.Q4: aPR:1.93;95% CI:1.29-2,86) For income overall, compared to those in the highest quartile (Q4) of income, those in the lowest quartile had 26% higher likelihood of receiving PC (Q1vs.Q4: aPR:1.26;95% CI:1.05-1.52), particularly among NH-Black adults (Q1vs.Q4: aPR:1.67;95% CI:1.25-2.22; Q2 vs.Q4; aPR:1.48;95% CI:1.09-2.01). Conclusions: PC use among PWH with stage-IV cancer is low. Contextual poverty plays a role in PC delivery to PWH and cancer, particularly among NH-Black PWH.
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Spatially resolved transcriptomic signatures of hippocampal subregions and Arc-expressing ensembles in active place avoidance memoryThe rodent hippocampus is a spatially organized neuronal network that supports the formation of spatial and episodic memories. We conducted bulk RNA sequencing and spatial transcriptomics experiments to measure gene expression changes in the dorsal hippocampus following the recall of active place avoidance (APA) memory. Through bulk RNA sequencing, we examined the gene expression changes following memory recall across the functionally distinct subregions of the dorsal hippocampus. We found that recall induced differentially expressed genes (DEGs) in the CA1 and CA3 hippocampal subregions were enriched with genes involved in synaptic transmission and synaptic plasticity, while DEGs in the dentate gyrus (DG) were enriched with genes involved in energy balance and ribosomal function. Through spatial transcriptomics, we examined gene expression changes following memory recall across an array of spots encompassing putative memory-associated neuronal ensembles marked by the expression of the IEGs Arc, Egr1, and c-Jun. Within samples from both trained and untrained mice, the subpopulations of spatial transcriptomic spots marked by these IEGs were transcriptomically and spatially distinct from one another. DEGs detected between Arc + and Arc- spots exclusively in the trained mouse were enriched in several memory-related gene ontology terms, including "regulation of synaptic plasticity" and "memory." Our results suggest that APA memory recall is supported by regionalized transcriptomic profiles separating the CA1 and CA3 from the DG, transcriptionally and spatially distinct IEG expressing spatial transcriptomic spots, and biological processes related to synaptic plasticity as a defining the difference between Arc + and Arc- spatial transcriptomic spots.
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Dopamine release and dopamine-related gene expression in the amygdala are modulated by the gastrin-releasing peptide in opposite directions during stress-enhanced fear learning and extinctionFear extinction leads to a decrease of originally acquired fear responses after the threat is no longer present. Fear extinction is adaptive and critical for organism's survival, but deficits in extinction may lead to exaggerated fear in animals or post-traumatic stress disorder (PTSD) in humans. Dopamine has recently emerged as essential for fear extinction and PTSD, however the neural circuits serving this dopamine function are only beginning to be investigated, and the dopamine intracellular signaling pathways are unknown. We generated gastrin-releasing peptide gene knockout (Grp-/-) mice and found that they exhibit enhanced fear memory in a stress-enhanced fear learning (SEFL) paradigm, which combines stress exposure and fear extinction, two features critical for developing PTSD. Using in vivo fiber photometry to record dopamine signals, we found that the susceptibility of Grp-/- mice to SEFL is paralleled by an increase in basolateral amygdala (BLA) dopaminergic binding during fear conditioning and early extinction. Combined optogenetics and ex vivo electrophysiology showed an increase in presynaptic ventral tegmental area (VTA)-BLA connectivity in Grp-/- mice, demonstrating a role of dysregulated input from the VTA on BLA function in the absence of the GRP. When examining gene transcription using RNA-seq and qPCR, we discovered concerted down-regulation in dopamine-related genes in the BLA of Grp-/- mice following long-term SEFL memory recall that was not observed in naïve conditions. These experiments demonstrate that the GRP regulates dopamine function in stress-enhanced fear processing and identify the Grp as the first gene known to regulate dopaminergic control of fear extinction.
