Downstream genes of tumor suppressor WT1
Granted: January 23, 2001
Patent Number:
6177248
Methods are provided for diagnosing cancers, drug-screening, and functionally analyzing mutations involving the WT1 gene. The methods involve use of the newly identified set of genes which are regulated by WT1 as well as by the set of genes which are regulated by WT1 fusions to EWS. Monitoring expression levels of these sets of genes can be used as an indicator of the genetic status of the gene. It can also identify which have similar effects on down-stream genes.
Method for scanning gene probe array to produce data having dynamic range that exceeds that of scanner
Granted: January 9, 2001
Patent Number:
6171793
A genetic sample is analyzed by providing a gene probe array including a plurality of genetic probes having different receptors. The sample is processed to include at least one fluorescently tagged ligand. The array is hybridized by exposing the probes to the processed sample such that ligands can bind to complementary receptors. Composite data having a data dynamic range is obtained from the array using an optical scanner which has a scanner dynamic range that is smaller than the data…
P53-regulated genes
Granted: January 9, 2001
Patent Number:
6171798
Many genes are identified as being p53-regulated which were not heretofore known to be p53-regulated. This includes both genes whose expression is induced and genes whose expression is repressed by the expression of wild-type p53. Monitoring expression of these genes is used to provide indications of p53 status in a cell. Such monitoring can also be used to screen for useful anti-cancer therapeutics, as well as for substances which are carcinogenic. Defects in p53 can be bypassed by…
Miniaturized genetic analysis systems and methods
Granted: January 2, 2001
Patent Number:
6168948
The present invention provides a miniaturized integrated nucleic acid diagnostic device and system which includes a nucleic acid extraction zone including nucleic acid binding sites.
Arrays of modified nucleic acid probes and methods of use
Granted: December 5, 2000
Patent Number:
6156501
Oligonucleotide analogue arrays attached to solid substrates and methods related to the use thereof are provided. The oligonucleotide analogues hybridize to nucleic acids with either higher or lower specificity than corresponding unmodified oligonucleotides. Target nucleic acids which comprise nucleotide analogues are bound to oligonucleotide and oligonucleotide analogue arrays.
Lithographic mask design and synthesis of diverse probes on a substrate
Granted: November 28, 2000
Patent Number:
6153743
Systems and methods of synthesizing probes on a substrate are provided. One or more shift reticles are utilized to uniformly add monomers to the substrate at specified locations. The shift reticles are shifted relative to the substrate between monomer addition steps. Additionally, characteristics of the desired probes may be specified at synthesis time.
Biological array fabrication methods with reduction of static charge
Granted: November 21, 2000
Patent Number:
6150147
The present invention provides modified methods and apparatus for the preparation of arrays of material wherein each array includes a preselected collection of polymers, small molecules or inorganic materials associated with a surface of a substrate. The methods of the invention provide for modifications to general apparatus, flow cell geometries and solutions used in array fabrication.
Photocleavable protecting groups and methods for their use
Granted: November 14, 2000
Patent Number:
6147205
Novel compounds are provided which are useful as linking groups in chemical synthesis, preferably in the solid phase synthesis of oligonucleotides and polypeptides. These compounds are generally photolabile and comprise protecting groups which can be removed by photolysis to unmask a reactive group. The protecting group has the general formula Ar--C(R.sub.1)(R.sub.2)--O--C(O)-- wherein:Ar is an optionally substituted fused polycyclic aryl or heteroaromatic group or a vinylogous…
Method and apparatus for packaging a probe array
Granted: October 31, 2000
Patent Number:
6140044
A body 300 having a cavity 310 for mounting a substrate 120 fabricated with probe sequences at known locations according to the methods disclosed in U.S. Pat. No. 5,143,854 and PCT WO 92/10092 or others, is provided. The cavity includes inlets 350 and 360 for introducing selected fluids into the cavity to contact the probes. Accordingly, a commercially feasible device for use in high throughput assay systems is provided.
Method and apparatus for detection of fluorescently labeled materials
Granted: October 31, 2000
Patent Number:
6141096
Fluorescently marked targets bind to a substrate 230 synthesized with polymer sequences at known locations. The targets are detected by exposing selected regions of the substrate 230 to light from a light source 100 and detecting the photons from the light fluoresced therefrom, and repeating the steps of exposure and detection until the substrate 230 is completely examined. The resulting data can be used to determine binding affinity of the targets to specific polymer sequences.
Combinatorial kit for polymer synthesis
Granted: October 24, 2000
Patent Number:
6136269
A device for forming large arrays of polymers on a substrate (401). According to a preferred aspect of the invention, the substrate is contacted by a channel block (407) having channels (409) therein. Selected reagents are delivered through the channels, the substrate is rotated by a rotating stage (403), and the process is repeated to form arrays of polymers on the substrate. The method may be combined with light-directed methodolgies.
Techniques for synthesis integrity evaluation utilizing cycle fidelity probes
Granted: October 10, 2000
Patent Number:
6130046
Techniques for designing polymer probes to verify the integrity of the probe synthesis are provided. Multiple probes with identical sequences are designed so that the probes will be formed utilizing at least one different monomer addition cycle. Based on the probes affinity to a control target, variations (e.g., errors) in probe synthesis may be identified.
Methods for determining receptor-ligand binding using probe arrays
Granted: September 26, 2000
Patent Number:
6124102
The invention provides a method for analyzing the binding between a receptor and ligand using a probe array. The method generally involves contacting a labeled receptor with a substrate that includes a plurality of known locations to permit labeled receptor/ligand complexes to form. Intensity values based upon signal generated from bound labeled receptor are determined for a plurality of pixels within each of the known locations. A subset of pixels within each known location that fall…
Fluidics station with a mounting system and method of using
Granted: September 5, 2000
Patent Number:
6114122
The present invention generally provides novel apparatuses for rapidly and efficiently carrying out repeated hybridizations of a target nucleic acid to an array of nucleic acid probes. The apparatus generally includes a fluid delivery system, a fluid mixing system, a temperature control system and a process control system integrated into a single device.
Chip packaging device
Granted: August 29, 2000
Patent Number:
D430024
Opthalmological surgery technique with active patient data card
Granted: August 22, 2000
Patent Number:
6106513
An ophthalmological laser surgery system having a laser, associated elements for delivering an optical beam from the laser to a patient eye location, a control unit for controlling the operation of the system and a system input/output device, is enabled by a patient data card. The data card originally contains both patient background and system control information, which is transferred to the control unit via the input/output device. During system operation, newly generated information,…
Scanned image alignment systems and methods
Granted: July 18, 2000
Patent Number:
6090555
Systems and methods for aligning scanned images are provided. A pattern is included in the scanned image so that when the image is convolved with a filter, a recognizable pattern is generated in the convolved image. The scanned image may then be aligned according to the position of the recognizable pattern in the convolved image. The filter may also act to remove the portions of the scanned image that do not correspond to the pattern in the scanned image.
Chemical amplification for the synthesis of patterned arrays
Granted: July 4, 2000
Patent Number:
6083697
Radiation-activated catalysts (RACs), autocatalytic reactions, and protective groups are employed to achieve a highly sensitive, high resolution, radiation directed combinatorial synthesis of pattern arrays of diverse polymers. When irradiated, RACs produce catalysts that can react with enhancers, such as those involved in autocatalytic reactions. The autocatalytic reactions produce at least one product that removes protecting groups from synthesis intermediates. This invention has a…
Computer-aided probability base calling for arrays of nucleic acid probes on chips
Granted: May 23, 2000
Patent Number:
6066454
A computer system for analyzing nucleic acid sequences is provided. The computer system is used to calculate probabilities for determining unknown bases by analyzing the fluorescence intensities of hybridized nucleic acid probes on biological chips. Additionally, information from multiple experiments is utilized to improve the accuracy of calling unknown bases.
Rotational mixing method using a cartridge having a narrow interior
Granted: April 18, 2000
Patent Number:
6050719
The invention provides exemplary devices, systems and methods for mixing of fluids, such as biological fluids. One exemplary device comprises is particularly adapted for holding at least one cartridge having a chamber containing a biological fluid, with the chamber having a generally planar face. The device comprises a rotatable body having a rotational axis. The rotatable body includes at least one mounting element which is adapted to mount the rotatable body such that the face of the…
