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Molecular Diagnostics

Image: A lymph node with almost complete replacement by metastatic melanoma. The brown pigment is focal deposition of melanin (Photo courtesy of Gabriel Caponetti, MD).

Blood Test Measures Effectiveness of Aggressive Cancer Treatments

Blood tests that track the amount of tumor DNA can, after only one month of drug therapy, detect how well treatment is working in patients with skin cancer. In the USA, more than 7,200 individuals are expected to die from metastatic melanoma in 2019, with BRAF mutations playing a role in nearly half of such diagnoses. More...
27 May 2019
Image: The Alere q is a fully automated nucleic acid testing platform that brings the power of molecular testing to bench tops in any healthcare setting (Photo courtesy of Alere Technologies).

Rapid Assay Detects Pyrazinamide-Resistant Tuberculosis

Tuberculosis (TB), caused by Mycobacterium tuberculosis complex (MTBC) strains, remains one of the most frequent infectious diseases worldwide. Due to its high frequency and the increased risk of co-resistance to other drugs, rapid detection of pyrazinamide (PZA) resistance is essential to control the MDR-TB epidemic. More...
27 May 2019
Image: A histopathology of castration-resistant prostate cancer (Photo courtesy of Andrew J. Armstrong, MD, ScM).

Genomic Data Affects Prognosis of Advanced Prostate Cancer

Heterogeneity in the genomic landscape of metastatic prostate cancer has become apparent through several comprehensive profiling efforts, but little is known about the impact of this heterogeneity on clinical outcome. More...
22 May 2019
Image: The Affymetrix Genechip 7G scanner analyzes next-generation higher-density arrays (Photo courtesy of Thermo Fisher Scientific).

Assay Stratifies Esophageal Cancer Patients for Treatment

The incidence of esophageal adenocarcinoma (OAC) in the Western world has risen six-fold in the last 40 years with the highest incidence occurring in the UK and there were about 9,200 cases of the disease reported in the UK in 2015. It accounts for 3% of cancer cases in the UK each year. More...
22 May 2019
Image: A micrograph of a high-grade serous ovarian carcinoma (Photo courtesy of Wikimedia Commons).

Protein Panel Accurately Differentiates Forms of Ovarian Tumors

A panel of eight proteins was found that distinguishes between the milder endometrioid (EC) and more deadly high-grade serous (HGSC) forms of ovarian cancer with 99.2% accuracy. More...
20 May 2019
Image: A micrograph of urothelial carcinoma of the urinary bladder (Photo courtesy of Baylor College of Medicine).

Clinical Trial Highlights Poor Prognosis for Bladder Cancer Patients

Analysis of the IMvigor 210 clinical trials involving patients with platinum-refractory or cisplatin-ineligible urothelial carcinoma (the most common type of bladder cancer) who were treated with the PD-L1 inhibitor atezolizumab identified a resistance signature as an immune biomarker that may aid in development of personalized treatment of the disease. More...
20 May 2019
Image: (A) Low magnification view of cancer nodule with the central tumor bulk consisting predominantly of invasive cribriform Gleason pattern four. (B) Low magnification view of the same cancer nodule with an outer rim of accentuated syntaphilin (SNPH) staining. The invasive front is defined as the external rim of each cancer nodule abutting the adjacent stroma as outlined in this image as the zone between the dotted and solid lines. Arrows denote accentuated SNPH staining at the tumor-stromal interface (Photo courtesy of the American Journal of Pathology).

Prostate Cancer Severity Indicated by Location and Concentration of Syntaphilin

A biomarker has been identified that may enable doctors to predict which patients with early indications of prostate cancer will be likely to develop the much more serious invasive and metastatic form of the disease. More...
20 May 2019
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DOA Urine MultiPlex


Genetic Testing channel of LabMedica brings the latest in molecular genetics, cytogenetics, and epigenetics, and methods from PCR to FISH, and more.