Evidence map›Paper›PMID 31544832›Full record

ArticleAntibodies (Basel, Switzerland)2019

VHH-Photosensitizer Conjugates for Targeted Photodynamic Therapy of Met-Overexpressing Tumor Cells.

Raimond Heukers, Vida Mashayekhi, Mercedes Ramirez-Escudero, Hans de Haard, Theo C Verrips, Paul M P van Bergen En Henegouwen, Sabrina Oliveira

Open access · goldAbstract read
In one paragraph

Article in Antibodies (Basel, Switzerland), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
4.3field-weighted citation impact, top 6% 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

23 citing papers in PubMed, 36 citations in OpenAlex.

  1. Article
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  8. Site-specificEJNMMI radiopharmacy and chemistry · 2023
    Article
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  16. Review
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  19. Article
  20. Special Issue: Nanobody.Antibodies (Basel, Switzerland) · 2020
    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

7 authors at 3 institutions in 2 countries.

Raimond HeukersQVQ Holding BV, Yalelaan 1, 3584 CL Utrecht, The Netherlands. r.heukers@qvquality.com.ORCID 0000-0003-4498-7751
Vida MashayekhiCell Biology Division, Department of Biology, Faculty of Science, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands. v.mashayekhi@uu.nl.
Mercedes Ramirez-EscuderoCrystal & Structural Chemistry, Bijvoet Center for Biomolecular Research, Faculty of Science, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands. m.ramirezescudero@uu.nl.ORCID 0000-0001-7253-9572
Hans de HaardArgenx BVBA, Industriepark-Zwijnaarde 7, 9052 Gent, Belgium. hdehaard@argenx.com.
Theo C VerripsQVQ Holding BV, Yalelaan 1, 3584 CL Utrecht, The Netherlands. theo.verrips@outlook.com.
Paul M P van Bergen En HenegouwenCell Biology Division, Department of Biology, Faculty of Science, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands. p.vanbergen@uu.nl.ORCID 0000-0001-6050-9042
Sabrina OliveiraCell Biology Division, Department of Biology, Faculty of Science, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands. s.oliveira@uu.nl.ORCID 0000-0002-6011-2122
Utrecht University · NLQserve Group (Netherlands) · NLAblynx (Belgium) · BE

Funding

H2020 European Research Council 677582
6 · The paper itself

Abstract

Photodynamic therapy (PDT) is an approach that kills (cancer) cells by the local production of toxic reactive oxygen species upon the local illumination of a photosensitizer (PS). The specificity of PDT has been further enhanced by the development of a new water-soluble PS and by the specific delivery of PS via conjugation to tumor-targeting antibodies. To improve tissue penetration and shorten photosensitivity, we have recently introduced nanobodies, also known as VHH (variable domains from the heavy chain of llama heavy chain antibodies), for targeted PDT of cancer cells overexpressing the epidermal growth factor receptor (EGFR). Overexpression and activation of another cancer-related receptor, the hepatocyte growth factor receptor (HGFR, c-Met or Met) is also involved in the progression and metastasis of a large variety of malignancies. In this study we evaluate whether anti-Met VHHs conjugated to PS can also serve as a biopharmaceutical for targeted PDT. VHHs targeting the SEMA (semaphorin-like) subdomain of Met were provided with a C-terminal tag that allowed both straightforward purification from yeast supernatant and directional conjugation to the PS IRDye700DX using maleimide chemistry. The generated anti-Met VHH-PS showed nanomolar binding affinity and, upon illumination, specifically killed MKN45 cells with nanomolar potency. This study shows that Met can also serve as a membrane target for targeted PDT.

Indexed as

c-Methepatocyte growth factor receptorHGFRMetnanobodiesphotosensitizertargeted photodynamic therapyVHH

Identifiers

PMID31544832
PMCPMC6640711
OpenAlexW2931647368

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.