Evidence map›Paper›PMID 27992447›Full record

ArticlePloS one2016

Heat Sensing Receptor TRPV1 Is a Mediator of Thermotaxis in Human Spermatozoa.

Luca De Toni, Andrea Garolla, Massimo Menegazzo, Sabina Magagna, Andrea Di Nisio, Iva Šabović, Maria Santa Rocca, Valentina Scattolini, Andrea Filippi, Carlo Foresta

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
6.2field-weighted citation impact, top 4% 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

27 citing papers in PubMed, 53 citations in OpenAlex.

  1. Review
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  9. TRPV1 in male reproductive system: focus on sperm function.Molecular and cellular biochemistry · 2022
    Review
  10. Expression ofCell journal · 2022
    Article
  11. Article
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  15. Role and Modulation of TRPV1 in Mammalian Spermatozoa: An Updated Review.International journal of molecular sciences · 2021
    Review
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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

10 authors at 3 institutions in 1 country.

Luca De ToniDepartment of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Via Giustiniani, Padova, Italy.
Andrea GarollaDepartment of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Via Giustiniani, Padova, Italy.
Massimo MenegazzoDepartment of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Via Giustiniani, Padova, Italy.
Sabina MagagnaDepartment of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Via Giustiniani, Padova, Italy.
Andrea Di NisioDepartment of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Via Giustiniani, Padova, Italy.
Iva ŠabovićDepartment of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Via Giustiniani, Padova, Italy.
Maria Santa RoccaDepartment of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Via Giustiniani, Padova, Italy.
Valentina ScattoliniDepartment of Medicine, University of Padova, Via Giustiniani, Padova, Italy.
Andrea FilippiDepartment of Physics and Astronomy "G. Galilei", University of Padova, Via Marzolo 8, Padova, Italy.
Carlo ForestaDepartment of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Via Giustiniani, Padova, Italy.
University of Padua · ITIstituti di Ricovero e Cura a Carattere Scientifico · ITVeneto Institute of Molecular Medicine · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The molecular bases of sperm thermotaxis, the temperature-oriented cell motility, are currently under investigation. Thermal perception relies on a subclass of the transient receptor potential [TRP] channels, whose member TRPV1 is acknowledged as the heat sensing receptor. Here we investigated the involvement of TRPV1 in human sperm thermotaxis. We obtained semen samples from 16 normozoospermic subjects attending an infertility survey programme, testis biopsies from 6 patients with testicular germ cell cancer and testis fine needle aspirates from 6 patients with obstructive azoospermia undergoing assisted reproductive technologies. Expression of TRPV1 mRNA was assessed by RT-PCR. Protein expression of TRPV1 was determined by western blot, flow cytometry and immunofluorescence. Sperm motility was assessed by Sperm Class Analyser. Acrosome reaction, apoptosis and intracellular-Ca2+ content were assessed by flow cytometry. We found that TRPV1 mRNA and protein were highly expressed in the testis, in both Sertoli cells and germ-line cells. Moreover, compared to no-gradient controls at 31°C or 37°C (Ctrl 31°C and Ctrl 37°C respectively), sperm migration towards a temperature gradient of 31-37°C (T gradient) in non-capacitated conditions selected a higher number of cells (14,9 ± 4,2×106 cells T gradient vs 5,1± 0,3×106 cells Ctrl 31°C and 5,71±0,74×106 cells Ctrl 37°C; P = 0,039). Capacitation amplified the migrating capability towards the T gradient. Sperms migrated towards the T gradient showed enriched levels of both TRPV1 protein and mRNA. In addition, sperm cells were able to migrate toward a gradient of capsaicin, a specific agonist of TRPV1, whilst capsazepine, a specific agonist of TRPV1, blocked this effect. Finally, capsazepine severely blunted migration towards T gradient without abolishing. These results suggest that TRPV1 may represent a facilitating mediator of sperm thermotaxis.

Indexed as

Taxis ResponseAdultAzoospermiaCapsaicinHumansInfertility, MaleMaleNeoplasms, Germ Cell and EmbryonalSpermatozoaSperm MotilityTesticular NeoplasmsTRPV Cation ChannelsYoung AdultCapsaicincapsazepineTRPV1 protein, humanTRPV Cation Channels

Identifiers

PMID27992447
PMCPMC5161326
OpenAlexW2565064712

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.