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Molecular Diagnostics

Image: The NovaSeq 6000 Sequencing System (Photo courtesy of Illumina).

Single-Cell Sequencing Reveals Clonal Diversity Among AML Patients

A growing body of evidence supports the role of clonal diversity in therapeutic resistance, recurrence, and poor outcomes in cancer. Clonal diversity also reflects the history of the accumulation of somatic mutations within a tumor. More...
03 Nov 2020
Image: A molecular-scale illustration of single-atom nanoyzmes and their application as a signal labels in an immunoassay. On the left, illustration of a protein biomarker being captured and detected in an immunoassay (Photo courtesy of Washington State University)

Artificial Enzyme Increases Sensitivity of Alzheimer's Disease Immunoassay

A novel modification made to the classic ELISA method for detecting the Alzheimer's disease biomarker amyloid beta 1-40 increased the sensitivity of the test by more than a factor of 10. More...
03 Nov 2020
Image: A neural stem cell model of sporadic congenital hydrocephalus (Photo courtesy of Yale University School of Medicine).

Genetic Alterations Associated with Sporadic Congenital Hydrocephalus

Congenital hydrocephalus (CH), characterized by enlarged brain ventricles, is considered a disease of excessive cerebrospinal fluid (CSF) accumulation and thereby treated with neurosurgical CSF diversion with high morbidity and failure rates. More...
02 Nov 2020
Image: A structural model of human alpha-synuclein protein (Photo courtesy of Wikimedia Commons)

Sensitive Detection Method Identifies Protein Clumps in Parkinson’s Disease Skin Samples

A sensitive detection method usually used to identify aggregated prion proteins has been adapted for the diagnosis of Parkinson's disease in skin samples. More...
02 Nov 2020
Image: Mutations in cell free DNA (cfDNA) or cells in the peripheral blood along with anemia or thrombocytopenia are the hallmark of myelodysplastic syndrome (MDS). The diagnosis of MDS is confirmed when mutations in hematopoietic cells are detected at relatively high levels (Photo courtesy of Genomic Testing Cooperative).

Inherited Causes of Clonal Hematopoiesis in Multiplicity of Whole Genomes

The age-related acquisition of somatic mutations that lead to clonal expansion in regenerating hematopoietic stem cell populations has recently been associated with both hematological cancer and coronary heart disease, and this phenomenon is termed clonal hematopoiesis of indeterminate potential (CHIP). More...
29 Oct 2020
Image: The signal of SMOLT is generated by the displacement of micron-size beads tethered by DNA long-probes that are between 1 and 7 microns long. The molecular extension of thousands of DNA probes is determined with sub-micron precision using a robust, rapid and low-cost optical approach (Photo courtesy of Scanogen).

Single-Molecule Tethering Detects Nucleic Acids and Microorganisms

Detection of microbial nucleic acids in body fluids has become the preferred method for rapid diagnosis of many infectious diseases. However, culture-based diagnostics that are time-consuming remain the gold standard approach in certain cases, such as sepsis. More...
29 Oct 2020
Image: Scientists have greatly boosted the amount of information that can be obtained using Seq-Well S3, a technique for rapidly sequencing RNA from single cells (Photo courtesy of MIT).

Novel Method Reclaims Resolution of Single-Cell RNA-Seq

Single-cell RNA sequencing (scRNA-seq) is a powerful tool to characterize cells. Current scRNA-seq platforms, despite offering high throughput, are inefficient and provide low resolution among distinct cell states and molecular features. More...
28 Oct 2020
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Genetic Testing channel of LabMedica brings the latest in molecular genetics, cytogenetics, and epigenetics, and methods from PCR to FISH, and more.