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Molecular Diagnostics

Image: A sample collection kit for the expanded Multi-Cancer 83-gene comprehensive panel that increases diagnostic yield. Germline testing after tumor sequencing uncovers clinically actionable variants (Photo courtesy of Invitae).

Germline Testing After Tumor Sequencing Uncovers Clinically Actionable Variants

Genetic counseling and germline testing are recommended for patients with cancer who have suspected hereditary disease based on each patient’s presentation and family history. Separately, tumor DNA sequencing is increasingly used, most often in patients with advanced disease. More...
27 Oct 2020
Image: Digital droplet PCR (ddPCR): schematic showing oil droplets containing fluorescent PCR target molecules (Photo courtesy of Wikimedia Commons)

A Novel Liquid Biopsy Technique for Brain Tumor Diagnosis

A minimally invasive liquid biopsy technique enables diagnosis of glioma, the most common type of brain tumor, by PCR analysis of an easily obtained blood plasma sample. More...
27 Oct 2020
Image: Circulating tumor cells (CTCs) are cancer cells that are released and disseminated into the bloodstream and lymphatic system. CTC cultures were successfully propagated from breast epithelial cells (Photo courtesy of Menarini Silicon Biosystems).

Novel CTC Culture Method Developed to Study Metastatic Cancer

Cancer metastasis is responsible for most cancer-associated death. During metastasis, cells that escape the primary tumor into the circulatory system are known as circulating tumor cells (CTCs). More...
26 Oct 2020
Image: Pro-inflammatory IL-6 is responsible for stimulating acute phase protein synthesis, as well as the production of neutrophils in the bone marrow. It supports the growth of B-cells and is antagonistic to regulatory T-cells (Photo courtesy of Wikimedia Commons)

The Dublin-Boston Scoring System Predicts Severity of COVID-19 Infections

A newly devised scoring system was designed to help doctors identify COVID-19 patients more likely to develop severe infections with potentially life-threatening complications. More...
26 Oct 2020
Image: Photomicrograph of histology of a Ewing sarcoma in lung. The PAS stain highlights glycogen and the staining was negative with a PAS diastase stain (Photo courtesy of Nephron).

Comprehensive Molecular Profiling Matches Pediatric Patients to Therapies

A major challenge of using a comprehensive profiling approach for precision medicine is separating pathogenic from non-pathogenic molecular changes within a tumor. More...
22 Oct 2020
Image: The HiSeq XTen human whole- genome sequencing system (Photo courtesy of Illumina).

Urine-Based Liquid Biopsy Test Detects Urothelial Carcinoma

Urine cytology, which is widely used to screen for bladder cancer, has high specificity but lacks sensitivity, especially for low-grade cancers. Cystoscopy, while more accurate than cytology, is an invasive procedure with added costs and potential complications for the patient. More...
22 Oct 2020
Image: Schematic view of the placenta (Photo courtesy of Wikimedia Commons)

Analysis of Placental Cell Free DNA and RNA Predicts Gestational Complications

A recent paper revealed that circulating cell-free nucleic acids (DNA and RNA) shed from the placenta into the mother's blood during the first trimester of pregnancy could be used to predict potentially serious complications such as ischemic placental disease and gestational diabetes. More...
20 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.
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