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Molecular Diagnostics

Image: The Abi Prism 7900 HT sequence detection system (Photo courtesy of Applied Biosystems).

Oral Bacteria Found in Cerebral Emboli of Stroke Patients

In addition to traditional causative factors, such as hypertension, hypercholesterolemia, diabetes mellitus, smoking, and obesity, bacterial inflammation has been suggested to contribute directly or indirectly to the development of the atherosclerosis and atherothrombotic events. More...
05 Jun 2019
Image: A histopathology of colorectal carcinoma: an example of moderately differentiated adenocarcinoma showing complicated glandular structures in a desmoplastic stroma (Photo courtesy of the David Geffen School of Medicine at the University of California).

CtDNA Forecasts Non-Metastatic Colorectal Cancer Recurrence

Colorectal cancer (CRC), also known as bowel cancer and colon cancer, is the development of cancer from the colon or rectum (parts of the large intestine). Most colorectal cancers are due to old age and lifestyle factors, with only a small number of cases due to underlying genetic disorders. More...
29 May 2019
Image: The BK virus (BKV) is a ubiquitous human polyomavirus that causes hemorrhagic cystitis in hematopoietic stem cell transplantation patients and nephropathy in kidney transplantation recipients. Poorly cohesive urothelial cells possess amorphous and smudgy nuclei, indicative of BK viral infection (Photo courtesy of Pathos223).

Stem Cell Transplantation Increases Risk of Infection-Related Mortality

Allogeneic hematopoietic stem cell transplantation (HSCT) is a potentially curative therapeutic modality for various malignant and nonmalignant hematological conditions. The best results of allogeneic HSCT were obtained when the stem cells from a human leukocyte antigen (HLA)-matched sibling were used, such a donor can only be found for approximately 30% of patients. More...
29 May 2019
Image: The BK virus (BKV) is a ubiquitous human polyomavirus that causes hemorrhagic cystitis in hematopoietic stem cell transplantation patients and nephropathy in kidney transplantation recipients. Poorly cohesive urothelial cells possess amorphous and smudgy nuclei, indicative of BK viral infection (Photo courtesy of Pathos223).

Stem Cell Transplantation Increases Risk of Infection-Related Mortality

Allogeneic hematopoietic stem cell transplantation (HSCT) is a potentially curative therapeutic modality for various malignant and nonmalignant hematological conditions. The best results of allogeneic HSCT were obtained when the stem cells from a human leukocyte antigen (HLA)-matched sibling were used, such a donor can only be found for approximately 30% of patients. More...
29 May 2019
Image: Circulating tumor DNA provides treatment options for the most common ovarian cancer type (Photo courtesy of the University of Turku).

Liquid Biopsy Identifies Mutations Predicting Ovarian Cancer Treatment Response

Effective treatment of metastatic solid cancers is hampered by intrapatient heterogeneity, tumor evolution, and the paucity of representative tissue samples to guide treatment decisions. Analysis of circulating tumor DNA (ctDNA) is an approach with the potential of overcoming all three obstacles. More...
29 May 2019
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
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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.