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Testing a MultiTEP-based combination vaccine to reduce Aβ and tau pathology in Tau22/5xFAD bigenic mice
Davtyan H, Hovakimyan A, Kiani Shabestari S, Antonyan T, Coburn MA, Zagorski K, Chailyan G, Petrushina I et al.. Alzheimer's research & therapy, 2019-12-17
Topic: Brain proteins, microglia and lab models
Background Alzheimer disease (AD) is characterized by the accumulation of beta-amyloid (Aβ) plaques and neurofibrillary tangles composed of hyperphosphorylated tau, which together lead to neurodegeneration and cognitive decline. Current therapeutic approaches have primarily aimed to reduce pathological aggregates of either Aβ or tau, yet phase 3 clinical trials of these approaches have thus far failed to delay disease progression in humans. Strong preclinical evidence indicates that these two abnormally aggregated proteins interact synergistically to drive downstream neurodegeneration.
Key findings
- Current therapeutic approaches have primarily aimed to reduce pathological aggregates of either Aβ or tau, yet phase 3 clinical trials of these approaches have thus far failed to delay disease progression in humans.
- Strong preclinical evidence indicates that these two abnormally aggregated proteins interact synergistically to drive downstream neurodegeneration.
- Therefore, combinatorial therapies that concurrently target both Aβ and tau might be needed for effective disease modification.
- Methods A combinatorial vaccination approach was designed to concurrently target both Aβ and tau pathologies.
Why it matters
In Tau22/5xFAD bigenic mice, a combination vaccine targeting both amyloid-beta and tau was tested to reduce pathology. This is preclinical animal work, and the text notes that phase 3 trials of approaches targeting either protein alone have so far failed to delay disease progression in humans.
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Study details
- Study designclinical trial
- Evidence strengthLow
How this study scored 39/100
Published in a peer-reviewed journal. Scored zero for study design, sample size, effect reported and randomised / blinded because the record does not state it.
| Component | Points | Why |
|---|---|---|
| Journal tier | 7 / 10 | Tier 3 — peer-reviewed journal (Alzheimer's research & therapy) |
| Journal's citation record | 1 / 4 | Alzheimer s Research & Therapy: journal h-index 146 (OpenAlex, 2026-10-29) |
| Study design | 0 / 12 | Design recorded as “clinical trial”, which our rubric does not rank (not stated in the record — scored 0) |
| Strength of evidence | 1 / 5 | Rated “low” in our summary |
| Peer-review validation | 10 / 10 | Peer-reviewed. Published as an article in a named peer-reviewed journal. |
| How recent | 2 / 5 | 2019 — within 10 year(s) of the newest study here |
| Sample size | 0 / 4 | Participant count not stated — scores zero (not stated in the record — scored 0) |
| Effect reported | 0 / 3 | No effect size reported — scores zero (not stated in the record — scored 0) |
| Studied in people | 0 / 3 | Laboratory or animal study (title names “5xfad”) — scores zero |
| Randomised / blinded | 0 / 2 | No randomisation or blinding stated — scores zero (not stated in the record — scored 0) |
| Times cited | 3 / 7 | Cited 37 times (OpenAlex, 2026-10-10) |
| Citations per year | 2 / 5 | 4.1 citations a year over 9 year(s) since 2019 |
| Impact for its field and year | 2 / 6 | Cited 2.4× the average for papers of its field and year (OpenAlex FWCI) |
| Cited by studies here | 0 / 6 | No other study in this library cites it |
| Still being cited | 2 / 4 | Cited 18 times in 2024–2026 (2026 still in progress; OpenAlex) |
| Senior author's track record | 2 / 4 | Last-listed author Anahit Ghochikyan: h-index 30 (OpenAlex, whole career) |
| Institution's track record | 1 / 3 | University of California, Irvine: institution h-index 1,195 (OpenAlex) |
| Multi-centre collaboration | 2 / 3 | OpenAlex lists 4 institution(s) in 2 countries |
| Indexed in PubMed | 2 / 2 | Indexed in PubMed (PMID 31847886) |
| Free to read | 2 / 2 | Free to read |
| Total | 39 / 100 | — |
What each of these 20 components measures, and what this score is not →
Read the original
- DOI: 10.1186/s13195-019-0556-2
- PubMed: 31847886
- Original source →
- Free full text: Alzheimer s Research & Therapy →
Full text: free to read — OpenAlex lists this copy as free to read: the link above (checked 6 Feb 1020).
Cite this study APA, Vancouver, BibTeX · download .bib or .ris
Built from the record alzhub holds for this paper, not looked up. Volume, issue and page numbers are not held in the record. The record's author list ends in “et al.”, so not every author is named. Check the citation against the original before you use it.
APA 7th
Davtyan, H., Hovakimyan, A., Kiani Shabestari, S., Antonyan, T., Coburn, M. A., Zagorski, K., et al. (2019). Testing a MultiTEP-based combination vaccine to reduce Aβ and tau pathology in Tau22/5xFAD bigenic mice. Alzheimer's research & therapy. https://doi.org/10.1186/s13195-019-0556-2
Vancouver
Davtyan H, Hovakimyan A, Kiani Shabestari S, Antonyan T, Coburn MA, Zagorski K, et al. Testing a MultiTEP-based combination vaccine to reduce Aβ and tau pathology in Tau22/5xFAD bigenic mice. Alzheimer's research & therapy. 2019. doi:10.1186/s13195-019-0556-2. PMID: 31847886.
BibTeX
@article{davtyan2019-31847886,
author = {Davtyan, H. and Hovakimyan, A. and Kiani Shabestari, S. and Antonyan, T. and Coburn, M. A. and Zagorski, K. and Chailyan, G. and Petrushina, I. and others},
title = {{Testing a MultiTEP-based combination vaccine to reduce Aβ and tau pathology in Tau22/5xFAD bigenic mice}},
journal = {Alzheimer's research \& therapy},
year = {2019},
doi = {10.1186/s13195-019-0556-2},
pmid = {31847886},
url = {https://doi.org/10.1186/s13195-019-0556-2}
}
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