Devices and Methods for Cerclage of Luminal Systems

This technology includes a family of transcatheter endovenous intramyocardial tether (MIRTH) procedures to impose myocardial constraint on the LV (MIRTH), LV and RV (SCIMITAR), and cardiac resynchronization procedures. Included is a set of advanced cardiac treatment technologies that focus on minimally invasive procedures for heart patients. The main technology is the transcatheter endovenous intramyocardial tether (MIRTH) procedure, which is designed to apply physical constraint to the left ventricle (LV) of the heart.

Expanded Claims for Transcatheter Coronary Sinus Mitral Valve Annuloplasty Procedure and Coronary Artery and Myocardial Protection

This technology includes a novel transcatheter repair for functional mitral valve regurgitation, called mitral cerclage annuloplasty. This includes coronary artery protection for mitral cerclage annuloplasty against inside-out compression from subsequent transcatheter valve-in-ring mitral valve implantation, wherein the ring is created by the cerclage annuloplasty. Cerclage annuloplasty is to create a semi-rigid ring at the level of the mitral annulus.

Segmented Metallic MRI Guidewires Using Stiffness-matched Nonconductive Connectors for Catheterization Procedures

This technology includes a metallic guidewire that is suitable for MRI catheterization, because it is mechanically long but electrically consists of short conductive segments that cannot resonate during MRI. The invention consists of stiffness-matched non-conductive connectors or connections that are used along with short metallic segments. The embodiment reduced to practice has torquability and flexibility comparable to marketed metallic guidewires, yet is free from MRI heating.

Endo-cameral Closure Device for Structural Heart Defects and Blood Vessel Repair

This technology includes a device to close a hole in the wall of a large blood vessel or cardiac chamber from the inside out, delivered over a guidewire and through a catheter or sheath. First, the proximal portion deploys within the vessel or chamber and is advanced over a guidewire to oppose the wall and seal the hole. Second, the distal portion self-assembles outside the vessel or chamber upon withdrawal of the guidewire. Deployment of the distal portion anchors the device securely in place.

Instant Total Internal Reflection Fluorescence/Structured Illumination Microscopy (instant TIRF/SIM)

This technology includes a method which enables high-speed, super-resolution microscopy at a very high signal-to-noise ratio (SNR), for biological applications within ~200 nm (the evanescent wave decay length) of a coverslip surface. Instant TIRF/SIM may be implemented simply by modifying and adding to the excitation optics that are already present within a conventional instant SIM design. We enforce TIRF excitation by removing all wave vectors that propagate into the objective lens at sub-critical angles.

B-cell Surface Reactive Antibodies for the Treatment of B-Cell Chronic Lymphocytic Leukemia

B-cell chronic lymphocytic leukemia (B-CLL) is a cancer characterized by a progressive accumulation of functionally incompetent lymphocytes.  Despite high morbidity and mortality, the only available potential cure is allogeneic hematopoietic stem cell transplantation (alloHSCST).  However, there is less than a 50% chance of finding a matching bone marrow or blood donor for B-CLL patients.  Other clinically tested targeted therapies such as rituximab and alemtuzumab target both malignant and normal B cells, resulting in immunosuppression.

Modulating Autophagy as a Treatment for Lysosomal Storage Diseases

Researchers at NIAMS have developed a technology for treatment of lysosomal storage diseases by inhibition of autophagy. Pompe disease is an example of a genetic lysosomal storage disease caused by a reduction or absence of acid alpha-glucosidase (GAA). Patients with Pompe disease have a lysosomal buildup of glycogen in cardiac and skeletal muscle cells and severe cardiomyopathy and skeletal muscle myopathy. Treatment of Pompe disease by GAA enzyme replacement therapy is quite ineffective for the skeletal muscle myopathy.

Identification of a Novel Parvovirus for Vaccine Development and Use as a Diagnostic Tool

This technology includes a procedure for novel virus identification in a variety of human specimens by solexa high-throughput sequencing, which allows for the screening a large number of clinical specimens for novel virus discovery in a highly efficient and relatively economical method. By using this technique, we have successfully identified a novel parvovirus from samples of seronegative hepatitis patients.

Generation of AAVS1 and C13 “Safe Harbor” Transcription Activator-life Effector Nucleases (TALENs) for Drug Screening or Gene Therapy Development

This technology includes AAVS1 and C13 “safe harbor” transcription activator-life effector nucleases (TALENs) for drug screening or gene therapy applications. TALENs are engineered sequence-specific DNA endonucleases that can significantly enhance genome-editing efficiency by >100-1000 folds. “Safe harbor” such as AAVS1 safe harbor and C13 safe harbor is genome locus that allows robust and persistent transgene expression with no or minimal interference of endogenous gene expression and cell properties.

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