C2N Launches Trial for Alzheimer ’s Detection Test

C2N Diagnostics is experiencing a couple of breakthroughs with its Alzheimer’s disease detection test - one courtesy of FDA. The agency, which is slowly rising back to full strength after the temporary government shutdown, granted the St. Louis-based company breakthrough device designation for a brain amyloidosis blood test. In addition, C2N said it is launching its Plasma Test for Amyloid Risk Screening (PARIS) Study that is evaluating and validating the clinical diagnostic performance of the C2N brain amyloidosis blood test. The company said the C2N test is a blood-based in vitro diagnostic being developed to predict amyloid PET scan results. It combines into a ratio the concentration of amyloid beta (Aβ) isoforms Aβ42 and Aβ40 in human plasma, as measured by mass spectrometry. The firm said studies have demonstrated that a lower plasma Aβ42/Aβ40 ratio correlates with brain amyloidosis determined by amyloid PET scans. “A vital medical need exists for a simple, radiation-free, non-invasive, less costly diagnostic test for the initial broad screening of individuals with subjective memory concerns,” Dr. Joel Braunstein, CEO of C2N Diagnostics, said in a release. “The best chance we have for treating Alzheimer’s Disease will come from earlier detection and, thus, earlier intervention. A simple, safe blood-based screening test woul...
Source: MDDI - Category: Medical Devices Authors: Tags: IVD Source Type: news

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DiscussionOur results encourage an independent validation cohort study to confirm the indication that the plasma Aβ1–40/Aβ1–42 ratio, assessed via Simoa, may improve future standard of care and clinical trial design.
Source: Alzheimer's and Dementia: The Journal of the Alzheimer's Association - Category: Geriatrics Source Type: research
In this study, we report the age-associated differences between fetal MSC (fMSC) populations and MSCs isolated from elderly donors with respect to their transcriptomes. We successfully reprogrammed fMSCs (55 days post conception) and adult MSC (aMSC; 60-74 years) to iPSCs and, subsequently, generated the corresponding iMSCs. In addition, iMSCs were also derived from ESCs. The iMSCs were similar although not identical to primary MSCs. We unraveled a putative rejuvenation and aging gene expression signature. We show that iMSCs irrespective of donor age and cell type re-acquired a similar secretome to that of th...
Source: Fight Aging! - Category: Research Authors: Tags: Newsletters Source Type: blogs
Conclusions: Our results demonstrate that the presence and extent of cSS are associated with reduced CSF ß-amyloid 42 levels. Further studies are needed to investigate the underlying mechanisms of this association. Introduction Cerebral amyloid angiopathy (CAA)—characterized by the deposition of ß-amyloid in the walls of leptomeningeal vessels—is a common cerebral small vessel disease and a major cause of intracerebral hemorrhage in the elderly (1–3). Furthermore, it has become evident that CAA is associated with cognitive impairment (4). Specifically, it has been shown that CAA patien...
Source: Frontiers in Neurology - Category: Neurology Source Type: research
ConclusionDisorders associated with early-life alterations in amyloid precursor protein production or processing are associated with a distinct pattern of early striatal fibrillary Aβ deposition before significant cognitive impairment. A better understanding of this unique pattern could identify important mechanisms of Aβ deposition and possibly important targets for early intervention.
Source: Alzheimer's and Dementia: The Journal of the Alzheimer's Association - Category: Geriatrics Source Type: research
DiscussionPET can evaluate amyloid expansion from cortex to subcortex. Using striatal signal as a marker of advanced amyloidosis may increase predictive power in Alzheimer's dementia research.
Source: Alzheimer's and Dementia: The Journal of the Alzheimer's Association - Category: Geriatrics Source Type: research
ConclusionDisorders associated with early-life alterations in amyloid precursor protein production or processing are associated with a distinct pattern of early striatal fibrillary Aβ deposition before significant cognitive impairment. A better understanding of this unique pattern could identify important mechanisms of Aβ deposition and possibly important targets for early intervention.
Source: Alzheimer's and Dementia: The Journal of the Alzheimer's Association - Category: Geriatrics Source Type: research
The use of PET scans to confirm the presence of dementia-inducing amyloid plaque...Read more on AuntMinnie.comRelated Reading: PET links amyloid, vascular factors to cognitive decline PET with novel tracers foretells early Alzheimer's risk PiB-PET study strengthens link between amyloid, dementia High amyloid levels on PET may indicate early Alzheimer's JNM: Florbetaben-PET detects cardiac amyloidosis
Source: AuntMinnie.com Headlines - Category: Radiology Source Type: news
Fight Aging! provides a weekly digest of news and commentary for thousands of subscribers interested in the latest longevity science: progress towards the medical control of aging in order to prevent age-related frailty, suffering, and disease, as well as improvements in the present understanding of what works and what doesn't work when it comes to extending healthy life. Expect to see summaries of recent advances in medical research, news from the scientific community, advocacy and fundraising initiatives to help speed work on the repair and reversal of aging, links to online resources, and much more. This content is...
Source: Fight Aging! - Category: Research Authors: Tags: Newsletters Source Type: blogs
Fight Aging! provides a weekly digest of news and commentary for thousands of subscribers interested in the latest longevity science: progress towards the medical control of aging in order to prevent age-related frailty, suffering, and disease, as well as improvements in the present understanding of what works and what doesn't work when it comes to extending healthy life. Expect to see summaries of recent advances in medical research, news from the scientific community, advocacy and fundraising initiatives to help speed work on the repair and reversal of aging, links to online resources, and much more. This content is...
Source: Fight Aging! - Category: Research Authors: Tags: Newsletters Source Type: blogs
ALZFORUM should be on your reading list if you have more than a passing interest in research into neurodegenerative conditions. It is a great example of what can be achieved in educational advocacy if any earnest institutional funding is devoted to the task. That investment in advocacy exists today because Alzheimer's disease research is by far the largest portion of the broader aging research community, measured by funding and volume of projects, and has been for some time. The situation is quite different for our area of interest, rejuvenation research to repair the causes of aging. Here, the scientific programs of our c...
Source: Fight Aging! - Category: Research Authors: Tags: Daily News Source Type: blogs
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