DLX3-floxed mice (DLX3f/f) for Use in Drug Development and In Vivo Research Studies for Ectodermal Dysplasia Disorders

This technology includes the creation of DLX3-floxed mice, specifically designed for conditional deletion of the DLX3 gene via Cre-mediated recombination. This innovative approach aims to develop mouse models for studying ectodermal dysplasia disorders. Ectodermal dysplasias are a diverse group of genetic conditions affecting the development of ectodermal structures, including hair, teeth, and bones. The DLX3f/f mice are particularly valuable for modeling specific disorders such as Tricho-dento-osseous syndrome (TDO), Amelogenesis Imperfecta (AI), and Dentinogenesis Imperfecta (DI).

Treatment for Ichthyosiform Skin Diseases

A synthetic composition that contains the transglutaminase 1 (TGase I) enzyme and a lipid vesicle, which can be used to provide ameliorative therapy for inherited autosomal recessive ichthyoses (ARI). Icthyoses are rare inherited skin disorders that result in extensive scaling of the skin. Because this abnormality can affect heat and fluid transfer through the skin, individuals with this disease may have an increased risk for dehydration and skin infections. Each year, more than 16,000 babies are born with some form of ichthyosis. Ichthyosis affects people of all ages, races and gender.

Antagonist of A3 Adenosine Receptor Fluorescent Probes for the Study of Diseases that Involve A3 Signaling

This molecular probe may serve as a companion tool to identify and stratify patient populations based on the prevalence of the target A3 adenosine receptors.

Small molecule drugs, A3AR-selective agonists, are currently in advanced clinical trials for the treatment of hepatocellular carcinoma, autoimmune inflammatory diseases, such as rheumatoid arthritis, psoriasis, and dry eye disease, and other conditions.

DLX3 Knockout Mice for the Study Mouse Models of Tooth, Hair, and Epidermal Defects

This technology includes K14creDLX3 conditional knockout (cKO) mice which will be used to study ectodermal dysplasia disorders such as Amelogenesis Imperfecta, and to study molecular mechanisms of DLX3 regulation in skin and ectodermal appendages. DLX3 is expressed in the epidermis, hair matrix cells in the hair follicle and in the mesenchymal and epithelial compartment of the tooth during embryonic development. To determine the transcriptional network dependent on DLX3-function, we will generate and analyze an epithelial-specific conditional knockout of DLX3.

Diisocyanate Specific Monoclonal Antibodies for Occupational and Environmental Monitoring of Polyurethane Production Exposure-related Asthma and Allergy and Clinical Diagnosis

CDC researchers have developed monoclonal antibodies useful as diagnostics for diisocyanate (dNCO) exposure and for toxicity characterization of specific dNCOs. Currently, dNCOs are used in the production of all polyurethane products and are the most commonly reported cause of occupational-induced asthma and also linked to allergic contact dermatitis. Presumptive diagnosis of dNCO asthma is presently dependent on criteria such as work history, report of work-related asthma-like symptoms and nonspecific airway reactivity to methacholine challenge.

Composite Gels and Methods of their Use in Tissue Repair, Drug Delivery, and as Implants

Gel materials, particularly hydrogels, typically lose their mechanical strength and stiffness as they swell. This property  limits their use in both biological (e.g., cartilage and ECM repair) and non-biological (e.g., sealant) applications. Innovative materials in both medical and non-medical application areas are sorely needed.

Margaric Acid Decreases PIEZO2 Mediated Pain

Some existing therapies for treatment of pain are administered systematically and have significant side effects, such as addiction and drowsiness. Alternative therapy that does not impair normal touch function could be used to treat pain caused by mechanical injury or chronic inflammation. Administration of margaric acid was shown to ameliorate pain in mouse models of pain. In vitro data shows that margaric acid counteracts PIEZO2 (Piezo-type mechanosensitive ion channel component 2) potentiation evoked by bradykinin (i.e.

New Insect Sf9-ET Cell Line for Determining Baculovirus Titers

The baculovirus-based protein expression system has gained increased prominence as a method for expressing recombinant proteins that are used in a wide range of biomedical applications. An important step in the use of this system is the ability to determine the virus infectious titer, i.e., the number of active baculovirus particles produced during an infection of the insect host cell.

Machine Learning and/or Neural Networks to Validate Stem Cells and Their Derivatives for Use in Cell Therapy, Drug Delivery, and Diagnostics

Many biological and clinical procedures require functional validation of a desired cell type. Current techniques to validate rely on various assays and methods, such as staining with dyes, antibodies, and nucleic acid probes, to assess stem cell health, death, proliferation, and functionality. These techniques potentially destroy stem cells and risk contaminating cells and cultures by exposing them to the environment; they are low-throughput and difficult to scale-up.

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