Evidence map›Paper›PMID 36281033›Full record

ArticleEuropean psychiatry : the journal of the Association of European Psychiatrists2022

Exploring the association between brain-derived neurotrophic factor levels and longitudinal psychopathological and cognitive changes in Sardinian psychotic patients.

Ulker Isayeva, Mirko Manchia, Roberto Collu, Diego Primavera, Luca Deriu, Edoardo Caboni, Novella Iaselli, Davide Sundas, Massimo Tusconi, Federica Pinna and 10 more

Abstract read
In one paragraph

Article in European psychiatry : the journal of the Association of European Psychiatrists, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed, 2 pooled it
–field-weighted citation impact
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

8 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Article
  4. Review
  5. Article
  6. Article
  7. Article
  8. 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

20 authors.

Ulker IsayevaUnit of Psychiatry, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy.ORCID 0000-0003-3927-4810
Mirko ManchiaUnit of Psychiatry, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy.
Roberto ColluDivision of Neuroscience and Clinical Pharmacology, Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy.ORCID 0000-0001-8887-1852
Diego PrimaveraUnit of Psychiatry, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy.
Luca DeriuUnit of Psychiatry, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy.
Edoardo CaboniUnit of Psychiatry, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy.ORCID 0000-0002-5248-3206
Novella IaselliUnit of Psychiatry, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy.
Davide SundasUnit of Psychiatry, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy.
Massimo TusconiUnit of Psychiatry, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy.ORCID 0000-0002-9155-4740
Federica PinnaUnit of Psychiatry, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy.
Pasquale ParibelloUnit of Psychiatry, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy.ORCID 0000-0001-9953-6929
Maria SchermaDivision of Neuroscience and Clinical Pharmacology, Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy.ORCID 0000-0001-8652-9594
Claudia PisanuDivision of Neuroscience and Clinical Pharmacology, Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy.ORCID 0000-0002-9151-4319
Anna MeloniDivision of Neuroscience and Clinical Pharmacology, Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy.
Clement C ZaiTanenbaum Centre for Pharmacogenetics, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, Ontario, Canada.ORCID 0000-0003-0496-7262
Donatella CongiuDivision of Neuroscience and Clinical Pharmacology, Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy.
Alessio SquassinaDivision of Neuroscience and Clinical Pharmacology, Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy.
Walter FrattaDivision of Neuroscience and Clinical Pharmacology, Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy.
Paola FaddaDivision of Neuroscience and Clinical Pharmacology, Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy.
Bernardo CarpinielloUnit of Psychiatry, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy.ORCID 0000-0002-5385-7871

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

background and hypothesisSchizophrenia spectrum disorders are among the most debilitating mental disorders and has complex pathophysiological underpinnings. There is growing evidence that brain-derived neurotrophic factor (BDNF) can play a role in its pathogenesis. The present study investigated the longitudinal variation of serum BDNF levels in a 24-month observational prospective cohort study of Sardinian psychotic patients and its relationship with psychopathological and cognitive changes. Furthermore, we examined whether genetic variation within the STUDY

designEvery 6 months, 105 patients were assessed for their BDNF serum levels, as well as for a series of psychopathological, cognitive, and social measures. We performed a targeted analysis of four tag single nucleotide polymorphisms within the STUDY

resultsWe observed a declining longitudinal trajectory of BDNF levels in psychotic patients in general, and in relation to the severity of depressive and negative symptoms. BDNF serum levels also declined in patients scoring lower in cognitive measures such as attention and speed of information processing and verbal fluency. The rs7934165 polymorphism moderated the significant association between verbal fluency and BDNF levels.

conclusionsThese findings in patients from real-world settings suggest a plausible role of peripheral BDNF levels as a marker of illness burden in schizophrenia spectrum disorders.

Indexed as

Brain-Derived Neurotrophic FactorSchizophreniaCognitionHumansPolymorphism, Single NucleotideProspective StudiesBrain-Derived Neurotrophic FactorBDNFbiomarkerscomplex disorderslongitudinal trajectoriesschizophrenia

Identifiers

PMID36281033
PMCPMC9677441

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