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119 results about "Epigenetics" patented technology

In biology, epigenetics is the study of heritable phenotype changes that do not involve alterations in the DNA sequence. The Greek prefix epi- (ἐπι- "over, outside of, around") in epigenetics implies features that are "on top of" or "in addition to" the traditional genetic basis for inheritance. Epigenetics most often involves changes that affect gene activity and expression, but the term can also be used to describe any heritable phenotypic change. Such effects on cellular and physiological phenotypic traits may result from external or environmental factors, or be part of normal development. The standard definition of epigenetics requires these alterations to be heritable in the progeny of either cells or organisms.

Devices, Solutions and Methods for Sample Collection

The disclosure relates to devices, solutions and methods for collecting and processing samples of bodily fluids containing cells (as well as embodiments for the collection, and processing and / or analysis of other fluids including toxic and / or hazardous substances / fluids). In addition, the disclosure relates generally to function genomic studies and to the isolation and preservation of cells from saliva and other bodily fluids (e.g., urine), for cellular analysis. With respect to devices for collection of bodily fluids, some embodiments include two mating bodies, a cap and a tube (for example), where, in some embodiments, the cap includes a closed interior space for holding a sample preservative solution and mates with the tube to constitute the (closed) sample collection device. Upon mating, the preservation solution flows into the closed interior space to preserve cells in the bodily fluid. The tube is configured to receive a donor sample of bodily fluid (e.g., saliva, urine), which can then be subjected to processing to extract a plurality of cells. The plurality of cells can be further processed to isolate one and / or another cell type therefrom. The plurality of cells, as well as the isolated cell type(s), can be analyzed for functional genomic and epigenetic studies, as well as biomarker discovery.
Owner:DNA GENOTEK

Predicting response to epigenetic drug therapy

The present invention relates to the field of epigenetics. More specifically, the present invention provides methods and compositions useful for predicting response to epigenetic drug therapy. As described herein, we have identified a unique signature termed AZA Immune gene set or AIM that differentiates patients with a low immune and high immune signature and is regulated by epigenetic drugs such as demethylating drugs, histone deacetylase inhibitors. In certain embodiments, patients with a high immune signature may benefit from immunotherapies such as anti PD1 or anti PDL1 antibodies or vaccines. In other embodiments, patients with a low immune signature or low AIM would be patients who would then benefit from treatment with epigenetic drugs and then subsequent immunotherapy.
Owner:THE JOHN HOPKINS UNIV SCHOOL OF MEDICINE

Global optimization, searching and machine learning method based on Lamarck's principle of inheritance of acquired characters

The invention discloses a global optimization, searching and machine learning method based on a Lamarck's principle of inheritance of acquired characters. The global optimization, searching and machine learning method comprises the steps of: step 1, constructing an objective function f(x) according to a problem object; step 2, encoding the problem object into a chromosome of a genetic algorithm, automatically calculating or inputting operation parameters, and performing initialization; step 3, performing iterative optimization on a current (kth generation) population Gk={Pk<1>, Pk<2>,..., Pk<S>} by adopting a Lamarck's ''operator of inheritance of acquired characters'' and a ''use and disuse operator'' according to evaluation of the objective function f(x); step 4, and outputting an optimal solution set of the problem object. The global optimization, searching and machine learning method integrates the ''inheritance of acquired characters'' and ''use and disuse'' natural laws of Lamarck's evolution theory with the modern ''epigenetics'' and the ''survival of the fittest'' natural law of Darwin's evolution theory, simplifies the structure of the genetic algorithm, overcomes the multiple technical defects of the existing algorithm, and improves the efficiency, global optimality and sustainability of late evolution of the algorithm, so that more global optimization, searching and machine learning problems can be better solved.
Owner:DONGGUAN UNIV OF TECH +2

Method and compositions for assisting in diagnosing and/or monitoring breast cancer progression

InactiveUS20120172238A1Reliable and accurate breast cancer prognosisNucleotide librariesMicrobiological testing/measurementDNA methylationEpigenetics
The present invention relates to a method for assisting in diagnosing breast cancer and / or monitoring breast cancer progression in a given sample based on the analysis of differential DNA methylation patterns. More particularly, the method is directed to the identification of one or more epigenetic markers that derive from the application of a variety of statistical methods in order to point out the prognostic significance of the difference in methylation states at one or more genomic loci and predict whether the sample analyzed has a good or bad prognosis following treatment.
Owner:KONINKLIJKE PHILIPS ELECTRONICS NV +1
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