Neurological assay

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Neurological Disease Assay Kit(for RUO)

The rapid increase of patients with brain diseases, due to rapidly ageing population worldwide, is expected to incur two trillion USD medical care costs from 75 million patients by 2030 As ageing in Korea is progressing 4 5 times faster than that of other OECD countries, it is evident that brain diseases such as dementia, Alzheimer's, and cerebral infarction will become a more serious social issue Traditionally, for diagnosis of dementia, Alzheimer's and other brain diseases, combined tests including tests on brain blood vessel disease / brain atrophy through MRI and Alzheimer's Disease Assessment Scale (ADAS) are conducted However , these diseases can be detected only when brain atrophy or other diseases have early progressed Therefore , active R&D is underway for using biomarkers to determine the exact cause of diseases and perform early treatment through early diagnosis before symptoms appear

Biomarkers of Neurological Diseases

☞ Instruction

Blood Biomarker/Gene UCHL-1

GFAP

Total Tau pTau 181

pTau 231

Neurofilament Light(NfL)

Amyloid β (40, 42)

Species reactivity : Human

Limit Of Detection(LOD) : 0 47pg/ml

Dynamic Range : 1 25 pg/ml - 640 pg/ml

EZ-VI-NEU-02-R

Species reactivity : Human

Limit Of Detection(LOD)

•UCH-L1 : 0 788pg/ml

EZ-VI-TBIV-R

Species reactivity : Human

Limit

Total Tau : 1 87 pg/ml

Dynamic Range

pTau 181, pTau 231 : 2 5 pg/ml - 320 pg/ml

Total Tau : 0 625 pg/ml - 320 pg/ml

Sample type : Serum (recommend), Plasma, Cell culture

EZ-VI-TAU-01-R

These products are for RUO(Research Use Only) and have been developed for the purpose of quantitative testing of specific biomarkers in specimen

In order to set the cut-off, first need to select a disease indication and analyze the quantitative results between the test group and the control group in corresponding indication

Therefore it is not appropriate to provide cut-off in our RUO product which is before confirming indication for each RUO product

* Duplex Neurology assay - GFAP, UCH-L1(RUO)

As a RUO product it cannot be marked as a TBI assay and should not be used to TBI(Traumatic Brain Injury)diagnosis(IVD)

It can be used for various neurological RUO purposes such as Stroke,

disease

Parkinson s
Alzheimer s and
Concussion Multiple sclerosis Lou Gehrig's disease Alzheimer's disease Parkinson's disease
Sample type : Plasma (recommend), Serum, Cell culture D y n a m i c R a n g e • G F A P : 3 125 pg / ml - 400 pg / ml U C H - L 1 : 6 25 pg / ml - 800 pg / m l S a m p l e t y p e : S e r u m ( recommend ) , P l a s m a ( r e c o m m e n d ) , Cell culture
•GFAP : 0 384pg/ml
Of Detection(LOD) pTau 181 : 1 88 pg/ml pTau 231 : 1 48 pg/ml
VEUS multiplexed assays for Neurological Diseases
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Alcolea D, Schnaider Beeri M, Rojas J, et al Blood biomarkers in neurodegenerative diseases: implications for the clinical neurologist Neurology 2023;101(4):172-180

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