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The Biomarker Disruptor

Would you rather get a biopsy or a blood test to check for prostate cancer? Quanterix chairman/CEO Kevin Hrusovsky said with the help of his company's latest product, the SR-X Ultra-Sensitive Biomarker Detection System, a simple blood test could replace, or complement, invasive diagnostic procedures. Using digital technology, the SR-X can detect cancer, neurological disorders, inflammatory and infectious diseases, and heart events months or even years earlier, and less invasively, than existing technology.   Using Quanterix's single molecule array (Simoa) science, which is similar to a digital enzyme-linked immunosorbent assay (ELISA), the SR-X measures six biomarkers simultaneously with a roughly 1,000-fold improvement in sensitivity. This precision allows researchers to see proteins at a level not seen before; thus, detecting diseases when they're more easily treatable. As it builds its diagnostics division, Quanterix—which closed its IPO in December 2017—is putting its attention on two lower-risk areas: research, to discover and validate new biomarkers; and pharmaceuticals, where the company already has a strong foothold. During the 2018 JP Morgan Healthcare Conference in San Francisco, Hrusovsky said 23 of the top 25 pharmaceutical companies use Quanterix's technology. "There are ways to use biomarkers to make drugs less toxic and more effective by lowering the dose and making them more personalized," he explained in an interview. It's a worthwh...
Source: MDDI - Category: Medical Devices Authors: Tags: IVD Source Type: news

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CONCLUSION: The results demonstrate ethnic, race, age and gender disparities in iCCA incidence and survival, and confirm continued increase in iCCA incidence in the United States. PMID: 29469047 [PubMed - in process]
Source: Annals of Hepatology - Category: Gastroenterology Tags: Ann Hepatol Source Type: research
Authors: Van Hoecke H, Calus L, Dhooge I Abstract Middle ear damages. The eardrum and middle ear are often exposed to blunt and penetrating trauma, blasts, thermal or caustic injuries. These injuries may result in tympanic membrane perforation, middle ear haemorrhage, dislocation and fracture of the ossicular chain, perilymphatic fistula and damage to the chorda tympani and/or facial nerve. In case of life-threatening injuries and/or mass casualty incidents, middle ear trauma obviously does not take highest priority. However, middle ear lesions should be suspected and recognized as early as possible. After meticulo...
Source: B-ENT - Category: ENT & OMF Tags: B-ENT Source Type: research
Conclusions: A linear relationship was observed between surgical timing and 1-year mortality. Each 10-hour delay from admission to surgery was associated with an estimated 5% higher odds of 1-year mortality. Therefore, we suggest that hip fractures should be treated urgently similar to other time-sensitive pathology such as stroke and myocardial ischemia. Level of Evidence: Prognostic Level III. See Instructions for Authors for a complete description of levels of evidence.
Source: Journal of Orthopaedic Trauma - Category: Orthopaedics Tags: Original Article Source Type: research
Conclusions: In this cohort of patients with operative tibial plateau fractures, sutured lateral meniscal tears, untreated medial meniscus tears, and complete MCL ruptures did not significantly affect clinical outcomes. In addition, these data suggest that obtaining a preoperative MRI in patients with tibial plateau fractures to diagnose soft tissue injuries may not alter the surgical treatment or alter patient prognosis for midterm outcomes. Level of Evidence: Prognostic Level III. See Instructions for Authors for a complete description of levels of evidence.
Source: Journal of Orthopaedic Trauma - Category: Orthopaedics Tags: Original Article Source Type: research
Objectives: To characterize the in vitro toxicity of vancomycin on articular cartilage. Methods: Osteochondral samples extracted from fresh, juvenile porcine stifle (knee) joints were exposed to vancomycin saline concentrations of 2, 5, and 10 mg/mL and compared with a saline and nonsaline treated control. Comparison of chondrocyte viability was assessed with histology examination of chondrocyte degeneration using the Mankin criteria and a live/dead staining using ethidium homodimer-2 and calcien acetoxymethylester stain and confocal laser scanning microscopy. Results: A comparison of chondrocyte viability in the c...
Source: Journal of Orthopaedic Trauma - Category: Orthopaedics Tags: Original Article Source Type: research
Purpose: To compare the visualization of the macula between spectral domain optical coherence tomography (SD-OCT) and swept-source OCT (SS-OCT) in gas-filled eyes. Methods: Sixty-one patients with common indications of gas tamponade, including 27 with macular holes and 34 with rhegmatogenous retinal detachment, who were treated with vitrectomy and gas tamponade were imaged using both SD-OCT (3D-OCT 2000, Topcon, Tokyo, Japan) and SS-OCT (DRI-OCT, Topcon) at 1, 3, and 7 days after the surgery. Good visualization of the macular area was defined as 1) visible foveal contour and discriminable status of hole (open or close...
Source: RETINA - Category: Opthalmology Tags: Original Study Source Type: research
Purpose: To analyze the vascular density of the choroid in a healthy population using swept-source optical coherence tomography. Methods: A cross-sectional, noninterventional study. Inclusion criteria: best-corrected visual acuity between 20/20 and 20/25, spherical equivalent between ±3 diopters, no systemic or ocular diseases, and ages ranging between 3 and 85 years. One hundred and thirty-six eyes from 136 subjects were analyzed, 86 eyes (63.2%) were from male and 50 eyes (36.8%) from female subjects. The eyes were divided into different age groups to analyze the possible age-related changes. Twelve-millimete...
Source: RETINA - Category: Opthalmology Tags: Original Study Source Type: research
Conclusion: Retinal vascular abnormalities are present in a limited proportion of patients affected by NF1 and can be considered an additional distinctive sign of the disease.
Source: RETINA - Category: Opthalmology Tags: Original Study Source Type: research
Conclusion: One-third of flat irregular PEDs in chronic central serous chorioretinopathy contained CNV. OCTA detected CNV more frequently than the other imaging modalities. Further longitudinal studies are needed to assess the indication of antivascular endothelial growth factor treatments in such cases.
Source: RETINA - Category: Opthalmology Tags: Original Study Source Type: research
Source: BMJ Comments - Category: General Medicine Source Type: forums
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