New technologies delivered to your inbox Subscribe
2007-330 – We created mice that contain human LRRK2 cDNA encoding either the wild-type or G2019S mutant form of the gene (hereafter termed “responder line(s).” The cDNA in these animals has been placed behind a minimal CMV promoter containing TetO and will only produce human LRRK2 protein when combined (in bigenic mice) with tTA. We have demonstrated in COS7 cells that the human LRRK2 expression from... Read More
2007-328 – Cardiovascular disease is the leading cause of death in the United States. Our research focuses on the discovery and development of novel therapies for protecting the heart and the kidneys against harmful effects of ischemia (inadequate blood supply), heart failure, and high blood pressure. We have designed a novel peptide by combining amino acid (AA) sequences from the human natriuretic... Read More
2007-326 – JJ12 is a mouse monoclonal IgG antibody that was prepared against the human protein p23, a co-chaperone for the molecular chaperone protein Hsp90. p23 was isolated into balb/c mice, and hybridoma cells were made by fusion with the cell line P3NS-11-AG4-1(NS-1). JJ12 has a high affinity for p23 from humans and several other vertebrates. It is useful for the measurement of p23 by western... Read More
2007-325 – JJ6 is a mouse monoclonal IgG antibody that was prepared against the human protein p23, a co-chaperone for the molecular chaperone protein Hsp90. p23 was isolated and injected into balb/c mice, and hybridoma cells were made by fusion with the cell line P3NS-11-AG4-1 (NS-1). JJ6 has a high affinity for p23 from humans and several other vertebrates. It is useful for the measurement of p23 by... Read More
2007-324 – This is a monoclonal antibody, produced in mice, to the human protein tsp23 which has sequence similarity to the molecular co-chaperone p23.
2007-323 – This is a monoclonal antibody against GCUNC45 (General Cell UNC45) also called SMAP-1 which has sequence similarity with the SMUNC45 (Striated muscle UNC45). These are homologues of the C. elegans UNC45. This antibody is useful western blotting and imunohistochemistry.
2007-295 – To address difficulties in the identification of microsporidia from stool specimens in the clinical diagnostic laboratory, we developed two rapid, real-time PCR assays designed for the LightCycler instrument (Roche Applied Sciences). The LightCycler PCR (LC PCR) assay sensitivities were compared to that of the reference method, a routine smear with trichrome blue stain. Microsporidia DNA is... Read More
2007-293 – Cardiovascular disease is the leading cause of death in the United States. Our research focuses on the development of novel therapies for protecting the heart and the kidneys during vulnerable periods of inadequate blood supply (ischemia) and upon restoration of blood flow (reperfusion). We designed a series of peptides by combining amino acid (AA) sequences from human natriuretic peptides... Read More
2007-288 – Mice in which the endogenous leucine-rich repeat kinase 2 gene (LRRK2) has been ablated. Exon 41 has been flanked with loxP sites to alow Cre-mediated deletion. The region deleted contains the serion/threonine protein kinase catalytic domain. Splicing of exon 40 to 42 causes a frameshift mutation with the introduction of an early stop codon (TGA).
2007-259 – We have generated 2 B-cell lines from 2 individual CVID patients who have a specific mutation in the TACI gene. TACI gene mutations are associated with 10-15% of CVID cases. The A181E mutation has been described as being significantly associated with CVID patients compared to normal controls. EBV-transformation of B-cells has been traditionally used to immortalize patient cells and provide a... Read More
2007-279 – Description - Bilateral Denoising Optimal noise control is critical for dose reduction and image quality improvement in CT. Noise in CT images results from data noise in the projections, which have two principal sources: quantum noise and electronic noise. To overcome the effects of excessive noise, it is necessary to increase either the x-ray tube energy or the current, both which... Read More
2007-300 – Friedreich ataxia (FRDA) is an autosomal recessive degenerative disease caused by a deficiency of frataxin, a conserved mitochondrial protein of unknown function. Mitochondrial iron accumulation, loss of iron-sulfur cluster-containing enzymes and increased oxidative damage occur in yeast and mouse frataxin-depleted mutants as well as tissues and cell lines from FRDA patients, suggesting that... Read More
2007-216 – An adaptive circuit that compensates for phase skew between the true and complement sides of a differential signal.
2007-184 – In MR and CT imaging, any reduction in scan time offers potential benefits ranging from high temporal rate observation of physiologic processes to reduction of motion artifacts to lower radiation dose (for CT) to improved patient comfort and throughout. Following recent developments in compressive sensing theory, it has been shown that certain classes of MR imaging can be accurately... Read More
2007-230 – We have replace the mouse islet amyloid polypeptide (IAPP, amylin) gene with the human IAPP gene. Human IAPP is readily converted to amyloid fibrils. Amyloids have been associated with a large number of human diseases that are associated with cell death. Mouse IAPP is non-amyloidogenic. By replacing the mouse IAPP with the human IAPP gene we have created a physiologic model of hman IAPP... Read More
A Novel Series of Designer Natriuretic Peptides Combining the Natriuretic Peptides and Angiotensin-(1-7)
2007-196 – Heart Failure (HF) is an important public health problem and is the leading cause of hospitalization in adults over 65 years of age. Our research focuses on the development of novel therapies for the treatment of heart failure and other cardiorenal disease states. The first of this series of designer peptides is CLJB1c which consists of human C-type natriuretic peptide and angiotensin-(1-7),... Read More
2007-193 – The invention combines information from two different energies to create a greatly improved visualization over commonly available dual energy imaging blending techniques. Dual-energy CT may provide additional diagnostic information to the physician, but the question arises on how to best illustrate it. In conventional single energy CT, patient data is presented to the physicians using very... Read More
2007-192 – During mapping and ablation of tachyarrhythmias, the ablation catheter is moved around one or more of the cardiac chambers and electrograms are obtained from the tip electrode (usually with respect to a ring electrode situated a few millimeters proximal to the tip electrode) and used to create a map of the cardiac chamber (the map could be a real electro-anatomic map or an abstract one based... Read More
2007-154 – This invention is a technique that enables two or four port vector network analyzers (VNAs) to be probe-tip calibrated and used in applications such as automated test equipment . “Calibration” is understood to include a range of things described in more detail below. The technique complements (but is independent of) many industry¬wide standard probe-tip calibration methods such as... Read More
Rapid Electrical Link Analysis Technique for Simulating Electrical Signals Through Transmission Media Characterized by Scattering Parameters
2007-135 – This technique is a software program which permits very rapid simulation of electrical signals through passive transmission or any other interconnect characterized by scattering parameters (S-parameters). An unlimited number of 2-port and 4-port passive interconnect models are combined into a single interconnect using proper S-parameter cascading. External transient voltage waveforms... Read More
2007-132 – The test system will automate multi-port VNA S-parameters measurements of printed wiring boards (PWB). The information gathered is automatically evaluated against complex pass/fail criteria and used to grade the signal integrity quality of PWBs.
Adaptive Determination of Optimal Weighting Coefficient for Linear Combination of Low- and High-Energy Images
2007-117 – In dual-energy imaging, individually reconstructed images from the low- and high-energy acquisitions can be linearly combined to produce a weighted average of the respective images. This disclosure describes an optimization scheme and software tool to select the optimal weighting value. Optimization can be performed using a variety of criteria, including minimizing image noise, maximizing the... Read More
2007-129 – Material-specific removal of image signal using dual-energy CT subtraction paradigms has the undesirable effect of altering signal throughout the image while increasing image noise. This novel algorithm preselects the material of interest and performs the dual-energy subtraction process only on those voxels meeting certain criteria. In this manner, material-specific subtraction is... Read More
2007-111 – An olecranon fracture fixation system includes an intramedullary core that is dimensioned for insertion in an intramedullary canal of the bone, and a hollow shell that is dimensioned for insertion in the intramedullary canal. The shell includes fixation elements that extend outwardly away from a proximal end of the shell. A fastener is provided for attaching the shell to the core in the... Read More
2007-103 – The abnormal accumulation of TDP-43 protein has been recently identified as the major protein constituent for several neurodegenerative diseases. The protein undergoes several post-translational modifications including phosphorylation, ubiquitination and proteolytic cleavage. The pathologic accumulation of these truncated species is believed to be pathologic. Using cell culture models, we... Read More
2007-100 – A mathematical method is described that is used to estimate the inherent phase offsets and timing differences between data acquisitions of raw data acquisitions from the Magnetic Resonance scanner during MR Spectroscopy. Knowledge of the phase offset and time delay of each data set allows the correction of the data so that each set reflects data collected at the same time points with the... Read More
2007-123 – Metal implants are common in patients receiving CT examinations, which can produce artifacts that can significantly degrade the diagnostic value of the image. We have developed a method to reduce the metal artifacts in multi-slice helical CT. This method is based upon the virtual radiographs (VR) created from the helical projection data for each view angle. Automatic segmentation and removal... Read More
2007-067 – This disclosure is based on the continuing development of our technique Shearwave Dispersion Ultrasound Vibrometry or SDUV (2004-237 & 2006-088) which non-invasively quantifies tissue stiffness and viscosity with ultrasound. Herein we propose methods to generate and detect larger SDUV motions for in vivo applications. (vibrometry) (SDUV)
2007-091 – Technology Description There is no available test that predicts the onset of preeclampsia, and current diagnostic methodologies of blood pressure and proteinuria measurement need improvement. Mayo Clinic researchers have discovered an epithelial cell type (podocyte) present in the urine of patients with preeclampsia, and these cells are present in the urine of patients several weeks before... Read More
Establishment and Characterization of an Immunoglobulin Lambda Secreting Cell Line from a Patient with AL Amyloidosis
2007-050 – The ALMC-1 and ALMC-2 cell lines were established from samples before and after peripheral blood stem cell transplant. Both cell lines secrete lambda light chains and these light chains have been shown to contain a beta structure, which is necessary for the configuration of amyloid. Therefore, this cell line provides a useful tool to study the underlying biology of amloidogenic light chains... Read More
2007-027 – Mice that over-express the human wild-type and mutant leucine-rich repeat kinase 2 gene (LRRK2).
2007-012 – Technology Description The past 20 years have witnessed an unprecedented increase in eosinophil-associated diseases such as allergy, asthma, and inflammatory gastrointestinal syndromes. Despite this rise in the need for an eosinophil-specific assay few reagents are available. Mayo Clinic researchers have developed a unique monoclonal antibody reactive to the eosinophil specific protein... Read More
2007-009 – Currently, radiologists interpreting CT colonography exams find it most efficient to view colons primarily in a 2D axial mode, scrolling these slices up and down the abdomen. Typically, the entire colon is scanned twice on the computer screen, first with a “lung” window/level setting (analogous to contrast/brightness) that clearly shows protrusions into the lumen and identifies most typical... Read More
2007-008 – CT colonography (CTC) is being extensively studied for its potential value in colon examinations. Like traditional colonoscopy, CTC requires extensive preparation to cleanse the colon of fecal material. The inconvenience and discomfort associated with this preparation is an important obstacle to compliance with currently recommended colorectal screening guidelines. An alternative is to tag... Read More
2007-007 – This invention consists of a novel display technique for CT colonography data. It is based on automatic generation of a midline trace (centerline) of the colon, followed by display of a sequence of images of the colon that follow this centerline, and display a small field of view centered on it and perpendicular to it. This allows the radiologist the benefit of always seeing the colon in... Read More
2007-006 – This invention consists of a novel display technique for CT colonography data. It is based on automatic generation of a midline trace (centerline) of the colon, followed by display of a sequence of axial images that display a small field of view centered on the trace, and follow along it. This allows the radiologist the benefit of a small field of view to examine the image, but frees him from... Read More
2006-295 – Tandem Biomarkers Identifies a Unique Population of Cardiopoietic Stem Cells Biomarkers used to purify a cardiac-specific stem cell population have not previously been reported. This invention reports the discovery of 1) the first cell surface tag that identifies cardiac progenitors from stem cell population and 2) an efficient approach to enrich large quantities of cardiac progenitors for... Read More
Algorithm for Identification of Regions of Change in Three Dimensional Magnetic Resonance Brain Images
2006-260 – The algorithm examines serial three dimensional magnetic resonance brain image data and identifies regions which have changed from one acquisition to the next.
2006-259 – The algorithm automatically generates samples of key tissues from magnetic resonance brain images.
2006-258 – The algorithm identifies regions of real signal, and eliminates regions where signal is due only to noise.
2006-257 – Technology Description The comparison of serial MR examinations of the brain is a procedure performed frequently by neuroradiologists for diseases such as tumors, multiple sclerosis, Alzheimer’s disease, and others. The primary objective of such imaging is to detect and characterize any changes. Comparison of serial MR studies of brain-tumor patients is a task whose difficulty is widely... Read More
2006-245 – This differential test probe was designed to meet the requirements of an automated test system. It has features not found in commercially available test probes. The ruggedness, compliance of all test pins, and the versatility to test more than one signal/ground pattern makes it useful for the automated test system. The mounting of micro probing pins directly in the center of the signal... Read More
2006-244 – Your Path to Smokeless Tobacco Freedom (Your Path) MC6013-01, is a new intervention booklet for patients who use smokeless tobacco that has been designed by the Nicotine Dependence Center (NDC) counselors and physicians with an emphasis on a patient-centered therapeutic approach to tobacco treatment. Your Path uses the spirit and tools of motivational interviewing to facilitate behavior... Read More
Mayo Clinic Nicotine Dependence Education Program: Customized Workshops for Health-Care Professionals
2006-243 – A training program to teach health-care professionals how to effectively treat patients who use tobacco. The staff of the Mayo Clinic Nicotine Dependence Center (NDC) works with the workshop organizer to develop a curriculum that fits the needs of the participants. Workshops can range in duration from ½ day to 5 days, depending on the depth of knowledge and skills requested. Faculty is... Read More
2006-231 – Rabbit polyclonal antibodies were generated to two components of the calcium-release activated calcium (CRAC) channel, Orai1 and STIM1. These antibodies can be used for immunofluorescence, immunoprecipitation and immunoblotting of Orai1 and STIM1.
2006-224 – This is to provide knowledge about the use of neurotensin receptor agonists for treatment of various medical problems, including acute and chronic pain due to various causes and abuse of various types of psychostimulants (such as nicotine, cocaine, and amphetamines).
2006-196 – The MR shell k-space trajectory is a way to acquire MRI data. It has several intrinsic advantages over standard methods, including improved acquisition efficiency per unit time, compatibility with motion correction methods, and a high degree of venous suppression when used to acquire contrast-enhanced MR angiograms of arteries with intravenous injection of gadolinium-chelate contrast agents.... Read More
2006-159 – The natriuretic peptide family consists of natural hormones involved in the maintenance of fluid and sodium levels through their interactions with the heart and kidneys. Mayo Clinic researchers have developed a novel natriuretic peptide (ABC) which is made up of a unique amino acid sequence designed to preferentially target the kidney to preserve its function and protect it from... Read More
2006-154 – To increase progranulin in animals, progranulin levels and biologically active fragments of progranulin can be elevated in animals by direct administration of the protein or its fragments, either in the presence or absence of agents that stabilize the biological activity. Routes of delivery include, but are not limited to, intranasal, oral, inhalation, intracerebro-ventricular injection,... Read More
2006-145 – Heart diseases are detected by producing a series of ultrasound images that depict the blood flow pattern in the left ventricle at successive phases of the cardiac cycle. The blood flow pattern images are produced by injecting a diluted contrast agent and tracking the contrast agent particles as they flow through the left ventricle by acquiring ultrasound images at a high frame rate.