phosphorylated tau(Thr)181 in serum/plasma (plasma ptau181)

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Reference interval

Clinical significance

Methods

More general terms

References

  1. 1.0 1.1 Thijssen EH, La Joie R, Wolf A et al Diagnostic value of plasma phosphorylated tau181 in Alzheimer's disease and frontotemporal lobar degeneration. Nature Medicine 2020. March 2 PMID: https://www.ncbi.nlm.nih.gov/pubmed/32123386 https://www.nature.com/articles/s41591-020-0762-2
  2. 2.0 2.1 Palmqvist S, Janelidze S, Quiroz YT et al Discriminative Accuracy of Plasma Phospho-tau217 for Alzheimer Disease vs Other Neurodegenerative Disorders. JAMA. Published online July 28, 2020 PMID: https://www.ncbi.nlm.nih.gov/pubmed/32722745 https://jamanetwork.com/journals/jama/fullarticle/2768841
  3. Barthelemy NR, Horie K, Sato C Blood plasma phosphorylated-tau isoforms track CNS change in Alzheimer's disease. J Exp Med (2020) 217 (11): e20200861 PMID: https://www.ncbi.nlm.nih.gov/pubmed/32725127 https://rupress.org/jem/article/217/11/e20200861/151982/Blood-plasma-phosphorylated-tau-isoforms-track-CNS
  4. Mattsson-Carlgren N et al. Longitudinal plasma p-tau217 is increased in early stages of Alzheimer's disease. Brain 2020 Dec 5; 143:3234. PMID: https://www.ncbi.nlm.nih.gov/pubmed/33068398 Free PMC article https://academic.oup.com/brain/article/143/11/3234/5929275
  5. 5.0 5.1 George J Alzheimer's Blood Test Predicts Pathology - -tau181: "an important advance that could transform the diagnosis of Alzheimer's disease" MedPage Today January 6, 2021 https://www.medpagetoday.com/neurology/alzheimersdisease/90555
    Karikari TK, Pascoal TA, Ashton NJ et al Blood phosphorylated tau 181 as a biomarker for Alzheimer's disease: a diagnostic performance and prediction modelling study using data from four prospective cohorts Lancet Neurol. 2020 May;19(5):422-433. PMID: https://www.ncbi.nlm.nih.gov/pubmed/32333900 https://www.thelancet.com/journals/laneur/article/PIIS1474-4422(20)30071-5/fulltext
    Karikari TK, Benedet AL, Ashton NJ et al Diagnostic performance and prediction of clinical progression of plasma phospho-tau181 in the Alzheimer's Disease Neuroimaging Initiative. Mol Psychiatry. 2020 Oct 26. PMID: https://www.ncbi.nlm.nih.gov/pubmed/33106600
  6. Janelidze S, Berron D, Smith R et al Associations of Plasma Phospho-Tau217 Levels With Tau Positron Emission Tomography in Early Alzheimer Disease. JAMA Neurol. 2021;78(2):149-156 PMID: https://www.ncbi.nlm.nih.gov/pubmed/33165506 PMCID: PMC7653537 Free PMC article https://jamanetwork.com/journals/jamaneurology/fullarticle/2772866
  7. Largent EA, Wexler A, Karlawish J The Future Is P-Tau - Anticipating Direct-to-Consumer Alzheimer Disease Blood Tests. JAMA Neurol. 2021;78(4):379-380 PMID: https://www.ncbi.nlm.nih.gov/pubmed/33393982 https://jamanetwork.com/journals/jamaneurology/fullarticle/2774173
  8. Pereira JB et al. Plasma markers predict changes in amyloid, tau, atrophy and cognition in non-demented subjects. Brain 2021 Jun 2; [e-pub]. PMID: https://www.ncbi.nlm.nih.gov/pubmed/34077494 https://academic.oup.com/brain/advance-article/doi/10.1093/brain/awab163/6291241
  9. 9.0 9.1 9.2 George J Blood Test Discerns Alzheimer's From Other Dementia With High Accuracy. Plasma p-tau moves another step closer to clinical use. MedPage Today August 23, 2021 https://www.medpagetoday.com/neurology/alzheimersdisease/94177
    Thijssen EH, La Joie R, Strom A et al Plasma phosphorylated tau 217 and phosphorylated tau 181 as biomarkers in Alzheimer's disease and frontotemporal lobar degeneration: a retrospective diagnostic performance study. Lancet Neurol 2021 PMID: https://www.ncbi.nlm.nih.gov/pubmed/34418401 https://www.thelancet.com/journals/laneur/article/PIIS1474-4422(21)00214-3/fulltext
    Parnetti L, Di Filippo M, Gaetani L et al A blood test for Alzheimer's disease: a step forward. Lancet Neurol 2021. PMID: https://www.ncbi.nlm.nih.gov/pubmed/34418386 https://www.thelancet.com/journals/laneur/article/PIIS1474-4422(21)00254-4/fulltext
    Thijssen EH, La Joie R, Wolf A et al Diagnostic value of plasma phosphorylated tau181 in Alzheimer's disease and frontotemporal lobar degeneration. Nature Medicine 2020. March 2 PMID: https://www.ncbi.nlm.nih.gov/pubmed/32123386 https://www.nature.com/articles/s41591-020-0762-2
  10. Janelidze S, Christian BT, Price J et al Detection of Brain Tau Pathology in Down Syndrome Using Plasma Biomarkers. JAMA Neurol. Published online July 5, 2022 PMID: https://www.ncbi.nlm.nih.gov/pubmed/35789365 https://jamanetwork.com/journals/jamaneurology/fullarticle/2793702
  11. 11.0 11.1 Liang F, Baldyga K, Quan Q et al Preoperative Plasma Tau-PT217 and Tau-PT181 Are Associated With Postoperative Delirium Annals of Surgery. 2022 July 6 PMID: https://www.ncbi.nlm.nih.gov/pubmed/35794069 https://journals.lww.com/annalsofsurgery/Abstract/9900/Preoperative_Plasma_Tau_PT217_and_Tau_PT181_Are.70.aspx
  12. 12.0 12.1 Morrison MS et al. Antemortem plasma phosphorylated tau (181) predicts Alzheimer's disease neuropathology and regional tau at autopsy. Brain 2022 May 13; [e-pub] PMID: https://www.ncbi.nlm.nih.gov/pubmed/35554506 https://academic.oup.com/brain/advance-article-abstract/doi/10.1093/brain/awac175/6585495
  13. George J Blood Test Predicts Which People With Amyloid Are Likely to Decline Cognitively. Plasma p-tau217 outperformed other preclinical Alzheimer's measures. MedPage Today February 6, 2023 https://www.medpagetoday.com/neurology/alzheimersdisease/102970
    Mattsson-Carlgren N, Salvado G, Ashton NJ et al Prediction of Longitudinal Cognitive Decline in Preclinical Alzheimer Disease Using Plasma Biomarkers. JAMA Neurol. Published online February 6, 2023 PMID: https://www.ncbi.nlm.nih.gov/pubmed/36745413 https://jamanetwork.com/journals/jamaneurology/fullarticle/2801289
  14. 14.0 14.1 Dark HE, Paterson C, Daya GN et al Proteomic Indicators of Health Predict Alzheimer's Disease Biomarker Levels and Dementia Risk. Ann Neurol. 2023. Oct 6. PMID: https://www.ncbi.nlm.nih.gov/pubmed/37801487 https://onlinelibrary.wiley.com/doi/full/10.1002/ana.26817
  15. 15.0 15.1 George J Alzheimer's Blood Test Predicts Who Might Benefit Most From Anti-Amyloid Drugs. Novel two-cutoff approach may reduce need for confirmatory PET scans. MedPage Today December 5, 2023 https://www.medpagetoday.com/neurology/alzheimersdisease/107691
    Mattsson-Carlgren N, Collij LE, Stomrud E et al Plasma Biomarker Strategy for Selecting Patients With Alzheimer Disease for Antiamyloid Immunotherapies. JAMA Neurol. Published online December 4, 2023. PMID: https://www.ncbi.nlm.nih.gov/pubmed/38048096 https://jamanetwork.com/journals/jamaneurology/article-abstract/2812432
  16. Mielke MM, Dage JL, Frank RD et al Performance of plasma phosphorylated tau 181 and 217 in the community. Nat Med. 2022 Jul;28(7):1398-1405. PMID: https://www.ncbi.nlm.nih.gov/pubmed/35618838 PMCID: PMC9329262 Free PMC article.
  17. Ghahremani M, Wang M, Chen HY et al Plasma Phosphorylated Tau at Threonine 181 and Neuropsychiatric Symptoms in Preclinical and Prodromal Alzheimer Disease. Neurology. 2023 Feb 14;100(7):e683-e693. PMID: https://www.ncbi.nlm.nih.gov/pubmed/36323521 PMCID: PMC9969916 Free PMC article.
  18. 18.0 18.1 LabPhosphorylated Tau 181 (pTau-181), Plasma CPT: 83520 https://www.labcorp.com/tests/483745/phosphorylated-tau-181-ptau-181-plasma