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Molecular Diagnostics

Image: The QIAcube Connect is for fully automated nucleic acid extraction with QIAGEN’s spin-column kits (Photo courtesy of QIAGEN).

Presenilin1 Gene Characteristics Used as Alzheimer's Disease Biomarker

 Alzheimer's Disease manifests as a familial disease with monogenic inheritance and early onset (Early Onset AD: EOAD), or as a sporadic, multifactorial, late-onset disease (Late Onset AD: LOAD). The latter accounts for more than 90% of all cases and its causes are unknown. More...
11 Mar 2020
Image: Squamous cell carcinoma (SCC) in situ, high magnification, demonstrating an intact basement membrane (Photo courtesy of Wikimedia Commons)

Large Genetic Screen Identifies Eight New Variants Linked to Skin Cancer Risk

 A large genome-wide association study (GWAS) identified eight new gene loci linked to the risk of developing cutaneous squamous cell carcinoma. More...
11 Mar 2020
Image: Immunohistological micrograph showing a programmed death-ligand 1 (PD-L1) positive non-small cell lung carcinoma (Photo courtesy of Creative Commons BY-SA 4.0/Wikimedia).

Blood Test Predicts Response to Immunotherapy in Metastatic NSCLC

 Non-small cell lung cancer (NSCLC) patients with higher measures of tumor mutations that show up in a blood test generally have a better clinical response to PD-1-based immunotherapy treatments than patients with a lower measure of mutations. More...
10 Mar 2020
Image: Abnormal accumulation of tau protein in neuronal cell bodies (arrow) and neuronal extensions (arrowhead) in the neocortex of a patient who had died with Alzheimer`s disease (Photo courtesy of Wikimedia Commons)

Circulating Levels of Phosphorylated Tau Protein Differentiate Alzheimer’s Disease from other Types of Dementia

 Elevated levels of circulating phosphorylated tau 181 (pTau181) protein correlate with Alzheimer's disease (AD) and distinguish it from frontotemporal dementia, a condition that is often misdiagnosed as AD. More...
10 Mar 2020
Image: The AmpFire Multiplex Human papillomavirus (HPV) assay for real time fluorescent detection (Photo courtesy of AtilaBiosystems).

High-Throughput Isothermal HPV Test Validated

 Human papillomavirus (HPV) is a viral infection that is passed between people through skin-to-skin contact. There are over 100 varieties of HPV, more than 40 of which are passed through sexual contact and can affect the genitals, mouth, or throat. More...
10 Mar 2020
Image: The Nextseq 500/550 High Output 75 cycle kit deliver powerful sequencing chemistries with as little as 10 minutes of hands-on time (Photo courtesy of Illumina).

Novel 3-Gene Transcriptional Signature Stratified for Tuberculosis Contacts

 The causative agent of tuberculosis, Mycobacterium tuberculosis (Mtb) is an obligate pathogen. The highest risk of tuberculosis arises in the first few months after exposure. Early treatment also offers the opportunity to adopt shorter and simpler treatment regimens, limit pathology, and reduce tuberculosis-associated morbidity. More...
04 Mar 2020
Image: Micrograph showing amyloid deposits. Amyloid shows up as homogeneous pink material in lamina propria and around blood vessels (Photo courtesy of Wikimedia Commons)

Increased Levels of Serum Amyloid-beta Linked to Development of Cardiovascular Disease

 A new review article has summarized studies, which suggest that the Alzheimer’s disease (AD) biomarker amyloid-beta (Abeta) has a causitive link to other age-related conditions such as cardiovascular disease (CVD). More...
04 Mar 2020
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