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Olivia J MarolaThe Jackson Laboratory
Olivia J Marola
PhD
About
19
Publications
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Introduction
Skills and Expertise
Publications
Publications (19)
Precise regulation of protein phosphorylation is critical for many cellular processes, and dysfunction in this process has been linked to various neurological disorders and diseases. Protein phosphatase 1 (PP1) is a ubiquitously expressed serine/threonine phosphatase with three major isoforms, (α, β, γ) and hundreds of known substrates. Previously,...
Background
Age is the principal risk factor for neurodegeneration in both the retina and brain. The retina and brain share many biological properties; thus, insights into retinal aging and degeneration may shed light onto similar processes in the brain. Genetic makeup strongly influences susceptibility to age-related retinal disease. However, studi...
In recent years, microglia have been highlighted for playing integral roles in neurodegenerative diseases, like glaucoma. To better understand the role of microglia during chronic ocular hypertension, we depleted microglia from aged (9-12 months old) DBA/2J (D2) mice, which exhibit age-related increases in intraocular pressure, using a dietary CSF1...
INTRODUCTION
In September 2022, The Jackson Laboratory Center for Alzheimer's and Dementia Research (JAX CADR) hosted a workshop with leading researchers in the Alzheimer's disease and related dementias (ADRD) field.
METHODS
During the workshop, the participants brainstormed new directions to overcome current barriers to providing patients with ef...
Background
APOE e4 is the greatest risk factor for late‐onset Alzheimer’s disease (AD), accounting for ∼30% of genetic risk and significantly decreasing age of onset. APOE is implicated to play central roles across multiple pathways such as neuroinflammation, lipid metabolism and vascular health. Current mechanistic work has introduced humanized AP...
Background
Disease‐modifying treatments for Alzheimer’s disease and related dementias (ADRD) will be most effective early in the disease process. Clinical use of these therapies will require practical, widely accessible biomarkers. Plasma‐based protein biomarkers hold promise for identifying core AD pathology, but this complex disease likely requir...
Background
Cerebral amyloid angiopathy (CAA) co‐occurs with cognitive impairment and neurodegeneration in Alzheimer’s disease (AD). We have shown wild‐derived WSB/EiJ (WSB) mice transgenic for APP/PS1 robustly developed CAA and are thus a useful tool to investigate the mechanisms driving CAA. It has been hypothesized that loss of blood brain barrie...
Metabolic syndrome (MetS) puts patients more at risk for neurodegenerative diseases such as Alzheimer’s disease (AD). Microglia are implicated as causal factors in AD, however, the effect of MetS on microglia has not been characterized. To address this, we contrasted New Zealand Obese (NZO) with C57BL/6J (B6J) mice in combination with a high fat/hi...
Background
Pro-apoptotic BAX is a central mediator of retinal ganglion cell (RGC) death after optic nerve damage. BAX activation occurs in two stages including translocation of latent BAX to the mitochondrial outer membrane (MOM) and then permeabilization of the MOM to facilitate the release of apoptotic signaling molecules. As a critical component...
Background
Pro-apoptotic BAX is a central mediator of retinal ganglion cell (RGC) death after optic nerve damage. BAX activation occurs in two stages including translocation of latent BAX to the mitochondrial outer membrane (MOM) and then permeabilization of the MOM to facilitate the release of apoptotic signaling molecules. As a critical component...
Endothelin (EDN, also known as ET) signaling has been suggested to be an important mediator of retinal ganglion cell (RGC) death in glaucoma. Antagonism of EDN receptors (EDNRA and EDNRB, also known as ET-A and ET-B) prevented RGC death in mouse models of chronic ocular hypertension, and intravitreal injection of EDN ligand was sufficient to drive...
Injury to the axons of retinal ganglion cells (RGCs) is a key pathological event in glaucomatous neurodegeneration. The transcription factors JUN (the target of the c-Jun N-terminal kinases, JNKs) and DDIT3/CHOP (a mediator of the endoplasmic reticulum stress response) have been shown to control the majority of proapoptotic signaling after mechanic...
Glaucoma is a neurodegenerative disease characterized by loss of retinal ganglion cells (RGCs), the output neurons of the retina. Multiple lines of evidence show the endothelin (EDN, also known as ET) system is important in glaucomatous neurodegeneration. To date, the molecular mechanisms within RGCs driving EDN-induced RGC death have not been clar...
We report on the development of fluorescence Gabor domain optical coherence microscopy (Fluo GD-OCM), a combination of GD-OCM with laser scanning confocal fluorescence microscopy (LSCFM) for synchronous micro-structural and fluorescence imaging. The dynamic focusing capability of GD-OCM provided the adaptive illumination environment for both modali...
Glaucoma is an age-related neurodegenerative disease characterized by the progressive loss of retinal ganglion cells (RGCs). Chronic ocular hypertension, an important risk factor for glaucoma, leads to RGC axonal injury at the optic nerve head. This insult triggers molecularly distinct cascades governing RGC somal apoptosis and axonal degeneration....
Glaucoma is an age-related neurodegenerative disease characterized by the progressive loss of retinal ganglion cells (RGCs). Chronic ocular hypertension, an important risk factor for glaucoma, leads to RGC axonal injury at the optic nerve head. This insult triggers molecularly distinct cascades governing RGC somal apoptosis and axonal degeneration....
Optic neuropathies such as glaucoma are characterized by the degeneration of retinal ganglion cells (RGCs) and the irreversible loss of vision. In these diseases, focal axon injury triggers a propagating axon degeneration and, eventually, cell death. Previous work by us and others identified dual leucine zipper kinase (DLK) and JUN N-terminal kinas...
Background:
Spinal cord stimulation (SCS) is an effective method of treating chronic pain. Obese patients are overrepresented in chronic pain cases. We examine the effect of body mass index (BMI) on SCS success.
Methods:
We prospectively follow outcome measures including visual analog score, Beck Depression Inventory (BDI), McGill Pain Questionn...