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Oklahoma Center for Biomedical Research Excellence in Sensory Biology

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NIGMS - National Institute of General Medical Sciences

The COBRE program in this application is designed to develop the field of sensory biology on the OUHSC campus by supporting innovative research focusing on the processes used by cells to sense their environment. The COBRE will support a wide spectrum of projects using a variety of model organisms, from worms and green algae to mice and human tissue. It will support studies on cell signaling across the plasma membrane mediated by sensory organelles such as cilia and flagella; specialized signaling domains on the cell surface such as dendrites and immunological synapses; and cell surface molecules such as receptors and ion channels. It will also support research projects investigating disease and syndromes associated with sensory defects. Initially, the Oklahoma Center for Biomedical Research Excellence in Sensory Biology (OCBRESB) will take advantage of the rapidly expanding talent and expertise in cilia biology and diseases associated with defects in primary cilia on campus and then will expand to all sensory modalities. The essential biological and biomedical importance of cilia biology and the growing nexus of cilia biology researchers at OUHSC makes us uniquely positioned to develop a multidisciplinary biomedical Center of Excellence. OCBRESB will consist of an Administrative Core led by Dr. Leonidas Tsiokas, Professor and Chair of the Department of Cell Biology with research expertise on cilia biology and ion channel signaling, four Research Projects exploring mechanisms of sensory signaling in diseases affecting vision (Bennett), neurodevelopment (Craft Van de Weghe), neuronal function (Zhang), and neuropsychiatric disorders (Paterno), and two Research Cores, which will provide state-of the art support in super-resolution imaging and cell and genetic engineering. Strategically, the OCBRESB integrates perfectly well with OUHSC’s ongoing research on obesity/diabetes, vision, cancer biology; builds on the strength of Geroscience/Healthy Brain Aging; and functions as the springboard for new research activities in Neuroscience. Critically, it supports cutting-edge infrastructure needed for basic science research, traditionally the engine for discovery at OUHSC, to excel and achieve our short- and long- term strategic goals. Finally, it is essential for the development of the next generation of independent, NIH-funded talented investigators who will become leaders in an emerging area of highly relevant biomedical research. Completion of the OCBRESB will have a significant impact in enhancing biomedical research in the state of Oklahoma.

Up to $2.1M
2031-01-31
health research

Free to search & build · $99 one-time to unlock the application pack · No subscription

Optimization of Therapeutic Protein PEGylation by Integrating Coarse-grain Simulation and Cell-free Protein Synthesis

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NIGMS - National Institute of General Medical Sciences

ABSTRACT The development of protein-based therapeutics has ushered in a new era of precision medicine, delivering hope and healing to millions facing severe and life-threatening conditions. Unfortunately, as natural biopolymers, protein therapeutics have fundamental limitations compared to small molecule therapeutics. Specifically, most proteins found outside their native location in the body are degraded, recognized by the immune system, lose stability/function, or are naturally cleared—a fatal flaw for a therapeutic. To overcome these limitations, therapeutic proteins may be functionalized with chemical groups to obscure their identity or increase stability. In 1990, the FDA first approved the covalent attachment of the polymer polyethylene glycol (PEG) to therapeutic proteins towards this end. When done properly, PEGylation improves the pharmacokinetic half-life, provides some masking from the immune system, and reduces side effects due to lower dosage frequency. The problem is that PEG attachment can only be done with certain amino acids (e.g. lysine, N-terminus), so control is very limited. Additionally, covalently attaching a PEG molecule to a protein is complex because this chemical modification alters the interactions and positions of the amino acid side chains, disrupting protein function. This disruption commonly outweighs the benefit, such that only 3% of FDA approved therapeutic proteins are PEGylated. This work seeks to greatly expand the benefit of PEGylating protein therapeutics by combining state of the art, computationally efficient coarse-grain molecular simulations with rapid cell-free protein synthesis and site- specific functionalization. Preliminary results have demonstrated that this simulation approach can predict with significant accuracy the optimal amino acid among the hundreds in a protein to target for PEGylation. Additionally, the cell-free protein synthesis approach allows for site-specific incorporation of a uniquely functionalized unnatural amino acid at any desired position—a capability which enables site-specific optimization of PEGylation and is crucial to broad application of the method. Using a design-build-test-learn strategy, parameterization of PEG-amino acid interactions will be incorporated into the simulation for the first time, which is hypothesized to greatly increase its accuracy. This approach will be validated with two protein therapeutics which have not yet been optimally PEGylated (Onconase for Mesothelioma/Ebola Virus Disease treatment and Crisantaspase for Acute Lymphoblastic Leukemia treatment) to improve their efficacy by increasing their activity, stability and retention.

Up to $558K
2029-06-30
health research

Free to search & build · $99 one-time to unlock the application pack · No subscription

Optimizing Use of Clinical Decision Support Tools to Enhance and Scale Delivery of Long-Acting Injectables for HIV Prevention and Treatment

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NIMH - National Institute of Mental Health

PROJECT ABSTRACT Long-acting injectable (LAI) pre-exposure prophylaxis (PrEP) and antiretroviral therapy (ART) represent a promising but underutilized class of HIV medications that can significantly benefit patients who struggle with oral medication adherence. Despite their potential, LAIs face substantial implementation barriers due to their logistical complexity compared to traditional oral medications. While high-volume LAI delivery is currently rare across U.S. HIV clinics, clinical decision support (CDS) systems offer a potential solution for efficiently scaling LAI programs. This project addresses the critical need for infrastructural support in LAI delivery by developing and evaluating a comprehensive Resource Package to accelerate the adoption of LAI-specific CDS in HIV clinics nationwide. We hypothesize that providing clinics with a standardized Resource Package will lead to more efficient workflows, improved care coordination, enhanced patient outcomes, and sustainable LAI program growth. The Resource Package will include: (1) a compendium of LAI-specific CDS tool options with implementation guidance, (2) decision-making worksheets for CDS design, (3) low-fidelity prototypes with adaptable wireframes, (4) build checklists for tool development, and (5) evaluation metrics for assessing CDS tools. Our project has three specific aims. First, we will identify promising CDS tools and processes through synthesis of practices at 10 Clinical Partner Sites currently delivering LAIs at high volume. Second, we will co-create the Resource Package through five multi-disciplinary working groups, each including clinicians, CDS end-users, builders, and implementation scientists. Third, we will assess the Resource Package's impact on clinics' readiness to build LAI CDS tools and their progress in the build process through pre-post surveys and in-depth qualitative analysis. The project will be carried out by an interdisciplinary team including implementation scientists, clinicians, and CDS specialists, working collaboratively with 10 Clinical Partner Sites, two national dissemination partners, and a Community Advisory Board. This research directly responds to NIMH priorities (PAR-22-060 and NOT-MH-23-275) by developing a systematic intervention to promote organizational readiness and capacity for implementing LAIs with fidelity and effectiveness. By establishing a standardized approach to CDS development for LAIs, this project aims to overcome a significant barrier to widespread LAI implementation, ultimately expanding access to these valuable HIV prevention and treatment options for vulnerable populations currently underserved by conventional oral medication approaches.

Up to $751K
2029-03-31
health research

Free to search & build · $99 one-time to unlock the application pack · No subscription

OptoDrum for In Vivo Visual Function Testing

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NIGMS - National Institute of General Medical Sciences

Project Summary/Abstract This application requests funds to acquire the Striatech OptoDrum system, a state-of-the-art instrument for non-invasively measuring visual acuity and contrast sensitivity in mice through optomotor tracking. The OptoDrum system uses automated, head-free motion tracking to accurately quantify visual function in real-time, minimizing operator bias and animal stress. This instrumentation will directly support our NIH-funded research (R16GM149428) that examines mitochondrial-targeted neuroprotection in retinal ganglion cells following optic nerve injury. Access to the OptoDrum will significantly enhance our ability to link structural and molecular outcomes to behavioral visual function, a critical aspect currently lacking at our institution. Furthermore, this acquisition will greatly strengthen York College’s biomedical research capacity and education by providing hands-on training opportunities in neuroscience and visual physiology for undergraduate students. The OptoDrum will also enable collaborative research projects across the broader CUNY system, fostering multidisciplinary initiatives and expanding research programs. Ultimately, integrating this advanced technology into our existing research infrastructure aligns with York College's long-term goal of increasing translational neuroscience research and promoting biomedical science education.

Up to $56K
2027-06-30
health research

Free to search & build · $99 one-time to unlock the application pack · No subscription

Oral Nicotine Pouch Use and Potential Health Effects among AYAs

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NIDA - National Institute on Drug Abuse

Project Summary Oral nicotine pouches (ONPs)- small and dissolvable microfiber sachets pre-filled with microcrystalline powder, nicotine, and other constituents - are gaining popularity among U.S. adolescents and young adults (AYAs). In 2023, ONP was the second most used tobacco product among U.S. youth, with adolescent use rising sharply between 2023 and 2024. Among young adults, past-month ONP use doubled from 1.6% in 2022 to 3.2% in 2023. Meanwhile, monthly sales of ONP units more than tripled from 327 million in July 2021 to 1046 million in May 2024. ONPs often contain high levels of nicotine, a variety of flavors (e.g., mint, fruit), and can be used discreetly without spitting, therefore appealing to young people. Given these trends—mirroring earlier e-cigarette growth— ONP use among AYAs is expected to rise substantially in the upcoming years. In January 2025, the FDA authorized marketing for 20 Zyn nicotine pouch products with varying flavors and nicotine strengths. However, the FDA’s review primarily emphasized adult product use, and the FDA indicated that marketing authorization may be revisited based on future data on youth use. Currently, there is a dearth of evidence on risk and protective factors, longitudinal transitions, and health effects related to AYAs’ ONP use in the US population. This study will harmonize the nationally representative Population Assessment of Tobacco and Health (PATH) Study Waves 7-9 (2022-2025) Interview survey data and restricted biomarker data to examine the ONP use in adolescents (age 12-17) and young adults (18-24), including longitudinal influencing factors, transitions to other tobacco and substance use behaviors, , biomarkers of exposure (BOE) to tobacco-related toxicants, and nicotine dependence. In Aim 1, we will identify risk and protective factors associated with ONP initiation across individual, marketing exposure, social, and neighborhood domains. In Aim 2, we will apply marginal structure models to assess prospective associations of ONP use with transitions to (1) other tobacco products (e.g., cigarettes, e- cigarettes) and (2) other substances (e.g., cannabis). In Aim 3, we will examine BOE differences by ONP use status, within-subjects BOE changes in transitions, and associations between ONP use and adverse health outcomes (e.g., nicotine dependence). This study is innovative in its integration of biospecimen and survey data to model longitudinal nicotine pouch ↔ other tobacco and substance use transitions and their associated health effects. It also employs state-of-the-art statistical techniques in handling multi-domain influencing factors and time-dependent exposure and time-varying confounders. This study is significant because it provides timely evidence regarding nicotine pouch use and health outcomes in AYAs, a priority population for tobacco control policies and regulatory actions. Findings from this study are poised to inform current and future priorities for pediatric nicotine use prevention and tobacco regulatory policies on emerging ONP products. 1

Up to $422K
2028-06-30
health research

Free to search & build · $99 one-time to unlock the application pack · No subscription

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