Evidence map›Paper›PMID 26464328›Full record

ReviewMolecular neurobiology2016

Role of the 5-HTTLPR and SNP Promoter Polymorphisms on Serotonin Transporter Gene Expression: a Closer Look at Genetic Architecture and In Vitro Functional Studies of Common and Uncommon Allelic Variants.

Sandra Iurescia, Davide Seripa, Monica Rinaldi

Abstract readReview
PubMed Publisher
In one paragraph

Review in Molecular neurobiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
38citing papers in PubMed, 1 pooled it
2.7field-weighted citation impact, top 10% 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

38 citing papers in PubMed, 1 synthesis or guideline pooled it, 80 citations in OpenAlex.

  1. Guideline
  2. Trial
  3. Article
  4. Article
  5. Article
  6. Review
  7. Review
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Review
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. 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

3 authors at 3 institutions in 1 country.

Sandra IuresciaNational Research Council (CNR), Institute of Translational Pharmacology (IFT), via Fosso del Cavaliere 100, 00133, Rome, Italy. sandra.iurescia@cnr.it.
Davide SeripaGeriatric Unit and Gerontology-Geriatrics Research Laboratory, Department of Medical Sciences, IRCCS Casa Sollievo della Sofferenza, Viale Cappuccini 1, 71013, San Giovanni Rotondo, Foggia, Italy.
Monica RinaldiNational Research Council (CNR), Institute of Translational Pharmacology (IFT), via Fosso del Cavaliere 100, 00133, Rome, Italy. monica.rinaldi@ift.cnr.it.
Casa Sollievo della Sofferenza · ITIstituto di Farmacologia Traslazionale · ITNational Research Council · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The serotonin (5-hydroxytriptamine (5-HT)) transporter (5-HTT) gene-linked polymorphic region (5-HTTLPR) is a variable number tandem repeats (VNTR) located in the promoter region of the human 5-HTT-encoding gene SLC6A4. This length polymorphism gives rise to different promoter variants, variously influencing SLC6A4 expression. Over the years, an extensive literature has investigated the relationships between these promoter variants and SLC6A4 gene expression, since these variants have been variously associated to complex neuropsychiatric conditions and traits. In this review, we detail the genetic architecture of the 5-HTTLPR allelic variants reported so far, with a closer look at the two single nucleotide polymorphisms (SNPs) rs25531 and rs25532 that lies in the VNTR and thus increase genetic variability of the SLC6A4 promoter. We summarize the hypothesized molecular mechanisms underlying this variation. We also provide an update on common and uncommon 5-HTTLPR allelic variants reviewing the available data on functional in vitro analysis of their regulatory effect on SLC6A4 gene transcription. Controversial findings are highlighted and critically discussed. A deeper knowledge of the "5-HTTLPR universe" will be useful to better understand the molecular basis of serotonin homeostasis and the pathological basis underlying serotonin-related neuropsychiatric conditions and traits.

Indexed as

AllelesPromoter Regions, GeneticAnimalsGene Expression RegulationHumansMinisatellite RepeatsPolymorphism, Single NucleotideSerotonin Plasma Membrane Transport ProteinsSerotonin Plasma Membrane Transport Proteins5-HTTLPR5-HTT promoter polymorphismAllelic variantsIn vitro functional studiesSerotonin transporterSNPs

Identifiers

PMID26464328
OpenAlexW2182964137

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.