Get help now — free helplines

You can call any of these for free. You do not need a diagnosis, an appointment, or a crisis to call — questions and plain exhaustion are reasons enough.

  • Alzheimer's Association 24/7 Helpline 800-272-3900 24 hours a day, 365 days a year Free, confidential support and information for people with dementia, caregivers, families and the public. Master's-level clinicians. Also Spanish.
  • 988 Suicide & Crisis Lifeline 988 24/7 Call or text 988, or chat at 988lifeline.org. For anyone in emotional distress or a mental-health crisis, including caregivers.
  • Alzheimer's Foundation of America (AFA) Helpline 866-232-8484 9:00 am - 9:00 pm ET, seven days a week Licensed social workers providing support, info and referrals. Also text message and web chat. Text: 646-586-5283

In a medical emergency, call 911. More numbers, and what each line does, on the help page.

This page is alzhub.org's plain-English summary of a published study, not the paper itself. It is generated from the record we hold for this study, sourced and linked below — check the original for the full text and methods.

✓ Peer-reviewed alzhub usefulness score 29 out of 100. Down syndrome and Alzheimer's

Topic: Brain proteins, microglia and lab models

Down syndrome, as a phenotypic result of trisomy 21, is a complex condition with a set of over 30 phenotypic features, which manifest themselves with varying frequencies among affected individuals. The importance for molecular medicine of understanding the molecular mechanisms underlying Down syndrome becomes fully appreciated when a striking feature of Down syndrome is taken into account: that the overdose of otherwise perfectly normal genes causes disorders of human health, indistinguishable from major public health problems of the general population, such as mandatory early onset Alzheimer s degeneration, increased risk of leukemia, and protection from cancer of solid tissues. The DNA sequence of human chromosome 21 is, at the moment, the most complete piece of DNA sequence known in the whole of human genome. The challenge for the future is an integrated, multidisciplinary approach to the molecular biology of chromosome 21 genes, in conjunction with the research into the variation in their genotype, expression, and function in the normal population, in Down syndrome individuals with well-characterized phenotypic traits, and in euploid patients suffering from diseases associated with phenotypic components of Down syndrome: mental retardation, developmental defects, hematological and solid tissue malignancies, and Alzheimer s disease.

Cite this study APA, Vancouver, BibTeX · download .bib or .ris

APA 7th

Nizetić, D. (2001). Functional genomics of the Down syndrome. Croatian medical journal.

Vancouver

Nizetić D. Functional genomics of the Down syndrome. Croatian medical journal. 2001. PMID: 11471193.

BibTeX

@article{nizetic2001-11471193,
  author  = {Nizetić, D.},
  title   = {{Functional genomics of the Down syndrome}},
  journal = {Croatian medical journal},
  year    = {2001},
  pmid    = {11471193}
}

Built from the record alzhub holds for this paper, not looked up. This record has no DOI, so the citation leaves it out. Volume, issue and page numbers are not held in the record. Check the citation against the original before you use it.

Key findings

Why it matters

This paper discusses how understanding the molecular biology of chromosome 21 genes could help explain features of Down syndrome, including early-onset Alzheimer's degeneration. It is a discussion of research strategy and does not test any treatment, cure or prevention.

Study details

How this study scored 29/100
How this study's score is builtJournal tier 7 of 10; Journal's citation record left out, no data; Study design 0 of 12; Strength of evidence 1 of 5; Peer-review validation 10 of 10; How recent 1 of 5; Sample size 0 of 4; Effect reported 0 of 3; Studied in people 0 of 3; Randomised / blinded 0 of 2; Times cited 2 of 7; Citations per year 0 of 5; Impact for its field and year 1 of 6; Cited by studies here 0 of 6; Still being cited 0 of 4; Senior author's track record 2 of 4; Institution's track record 1 of 3; Multi-centre collaboration 1 of 3; Indexed in PubMed 2 of 2; Free to read 0 of 2. 28 of the 96 points it could be judged on, which is 29 of 100. Total 29 of 100.28 of the 96 points we could judge = 29 of 100

Published in a peer-reviewed journal. Scored zero for study design, sample size, effect reported, studied in people and randomised / blinded because the record does not state it. We have no data on journal's citation record, so that was left out: it earned 28 of the 96 points we could judge it on, which is 29 out of 100.

ComponentPointsWhy
Journal tier 7 / 10 Tier 3 — peer-reviewed journal (Croatian medical journal)
Journal's citation record — / 4 No journal record from OpenAlex — left out of this score
Study design 0 / 12 No study design recorded — scores zero, not guessed (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 1 / 5 2001 — older than 20 years, still counted
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 Not stated whether this was studied in people — scores zero (not stated in the record — scored 0)
Randomised / blinded 0 / 2 No randomisation or blinding stated — scores zero (not stated in the record — scored 0)
Times cited 2 / 7 Cited 7 times (OpenAlex, 2026-10-10)
Citations per year 0 / 5 0.3 citations a year over 27 year(s) since 2001
Impact for its field and year 1 / 6 Cited 0.4× 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 0 / 4 Cited 0 times in 2024–2026 (2026 still in progress; OpenAlex)
Senior author's track record 2 / 4 Last-listed author Dean Nižetić: h-index 43 (OpenAlex, whole career)
Institution's track record 1 / 3 University of London: institution h-index 804 (OpenAlex)
Multi-centre collaboration 1 / 3 OpenAlex lists 2 institution(s) in 1 country
Indexed in PubMed 2 / 2 Indexed in PubMed (PMID 11471193)
Free to read 0 / 2 Behind a paywall — scores zero
Points 28 / 96 Scored on 19 of 20 parts. We have no data for the rest, so they are left out: 28 of the 96 points we could judge it on is 29 out of 100.
Total 29 / 100 —

What each of these 20 components measures, and what this score is not →

Read the original

May need a subscription OpenAlex found no free copy of the full text (checked 6 Feb 1020), so the publisher may charge for it. The PubMed abstract is free.

Related studies in Down syndrome and Alzheimer's

Also tagged “down”

527 studies in the library carry the topic tag “down”; these are this study's neighbours in a fixed, alphabetical-by-hash tour of them, not the closest in content. All 527 tagged studies.

Similar studies

More on Down syndrome and Alzheimer's

See all studies in Down syndrome and Alzheimer's →