Evidence map›Paper›PMID 9773959›Full record

ArticleJournal of clinical laboratory analysis1998

Biochemical assay for AD7C-NTP in urine as an Alzheimer's disease marker.

H Ghanbari, K Ghanbari, I Beheshti, M Munzar, A Vasauskas, P Averback

Open access · bronzeAbstract readComparative Study
In one paragraph

Article in Journal of clinical laboratory analysis, 1998. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
1.6field-weighted citation impact, top 18% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

24 citing papers in PubMed, 72 citations in OpenAlex.

  1. Trial
  2. Review
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  5. Article
  6. Review
  7. Neurobiological Highlights of Cognitive Impairment in Psychiatric Disorders.International journal of molecular sciences · 2022
    Review
  8. Review
  9. Review
  10. Article
  11. Article
  12. Article
  13. Review
  14. Review
  15. The Eye As a Biomarker for Alzheimer's Disease.Frontiers in neuroscience · 2016
    Review
  16. Review
  17. Review
  18. Review
  19. CSF Biomarkers for Alzheimer's Disease Diagnosis.International journal of Alzheimer's disease · 2010
    Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 1 institution in 1 country.

H GhanbariNymox Corporation, Rockville, Maryland 20895, USA.
K Ghanbari
I Beheshti
M Munzar
A Vasauskas
P Averback
IDEX Corporation (United States) · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A reliable and specific immunoassay has been developed to detect and measure AD7C-NTP, a biochemical marker for Alzheimer's disease, in urine. The urine samples are first processed by centrifugation and ultrafiltration to fractionate and concentrate AD7C-NTP. The urinaryAD7C-NTP has the same molecular weight asAD7C-NTP in brain and cerebrospinal fluid by size exclusion chromatography. It has also retained the binding properties to the monoclonal and polyclonal antibodies developed against recombinantly produced AD7C-NTP. This assay is an enzyme linked sandwich immunoassay (ELSIA) using 96 well microtiter plates. The plate surface is coated with a monoclonal antibody (N314) which has a high affinity and specificity for AD7C-NTP, capturing it effectively from the samples. The detection was achieved using a polyclonal antibody (ADRI). The utility of the assay has been demonstrated using urine specimens from Alzheimer's disease (AD) patients and non-Alzheimer's controls. UrinaryAD7C-NTP in the AD group (2.5 ng/mL, n=66) was significantly higher than the non-AD group (0.8 ng/mL, n=134). Using 1.5 ng/mL as cut off, in this patient population, specificity and sensitivity of urinary AD7C-NTP were comparable to CSFAD7C-NTP.

Indexed as

Alzheimer DiseaseAntibodies, MonoclonalBiomarkersBrainChromatography, High Pressure LiquidEnzyme-Linked Immunosorbent AssayHumansNerve Tissue ProteinsAD7c-NTPAntibodies, MonoclonalBiomarkersNerve Tissue Proteins

Identifiers

PMID9773959
PMCPMC6808140
OpenAlexW1998188987

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.