Evidence map›Paper›PMID 32258210›Full record

ArticleMolecular therapy. Methods & clinical development2020

Defining the Optimal FVIII Transgene for Placental Cell-Based Gene Therapy to Treat Hemophilia A.

Nadia El-Akabawy, Martin Rodriguez, Ritu Ramamurthy, Andrew Rabah, Brady Trevisan, Alshaimaa Morsi, Sunil George, Jordan Shields, Diane Meares, Andrew Farland and 5 more

Open access · goldAbstract read
In one paragraph

Article in Molecular therapy. Methods & clinical development, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
1.8field-weighted citation impact, top 15% 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

13 citing papers in PubMed, 15 citations in OpenAlex.

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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

15 authors at 5 institutions in 2 countries.

Nadia El-AkabawyWake Forest Institute for Regenerative Medicine, Fetal Research and Therapy Program, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA.
Martin RodriguezWake Forest Institute for Regenerative Medicine, Fetal Research and Therapy Program, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA.
Ritu RamamurthyWake Forest Institute for Regenerative Medicine, Fetal Research and Therapy Program, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA.
Andrew RabahWake Forest Institute for Regenerative Medicine, Fetal Research and Therapy Program, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA.
Brady TrevisanWake Forest Institute for Regenerative Medicine, Fetal Research and Therapy Program, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA.
Alshaimaa MorsiWake Forest Institute for Regenerative Medicine, Fetal Research and Therapy Program, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA.
Sunil GeorgeWake Forest Institute for Regenerative Medicine, Fetal Research and Therapy Program, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA.
Jordan ShieldsAflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Atlanta, GA, USA.
Diane MearesSpecial Hematology Laboratory, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA.
Andrew FarlandSpecial Hematology Laboratory, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA.
Anthony AtalaWake Forest Institute for Regenerative Medicine, Fetal Research and Therapy Program, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA.
Christopher B DoeringAflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Atlanta, GA, USA.
H Trent SpencerAflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Atlanta, GA, USA.
Christopher D PoradaWake Forest Institute for Regenerative Medicine, Fetal Research and Therapy Program, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA.
Graça Almeida-PoradaWake Forest Institute for Regenerative Medicine, Fetal Research and Therapy Program, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA.
Forest Institute · USWake Forest University · USAflac (United States) · USChildren's Healthcare of Atlanta · USEmory University · US

Funding

Prenatal Cell and Gene Therapy for Hemophilia AR01HL135853 · NHLBI · WAKE FOREST UNIVERSITY HEALTH SCIENCES · PI ALMEIDA-PORADA, GRACA DUARTE, PORADA, CHRISTOPHER D · 2017 to 2020
$2.8M
Postnatal Cell-Based Therapies for Hemophilia AR01HL130856 · NHLBI · WAKE FOREST UNIVERSITY HEALTH SCIENCES · PI ALMEIDA-PORADA, GRACA DUARTE, PORADA, CHRISTOPHER D · 2016 to 2019
$2.5M
cGMP Manufacture Of FVIII-Expressing Placental Cells For Hemophilia AU01HL148681 · NHLBI · WAKE FOREST UNIVERSITY HEALTH SCIENCES · PI Graca Duarte Almeida-Porada · 2019 to 2026
$1.6M
NHLBI NIH HHS R01 HL130856NHLBI NIH HHS R01 HL135853NHLBI NIH HHS U01 HL148681
6 · The paper itself

Abstract

The delivery of factor VIII (FVIII) through gene and/or cellular platforms has emerged as a promising hemophilia A treatment. Herein, we investigated the suitability of human placental cells (PLCs) as delivery vehicles for FVIII and determined an optimal FVIII transgene to produce/secrete therapeutic FVIII levels from these cells. Using three PLC cell banks we demonstrated that PLCs constitutively secreted low levels of FVIII, suggesting their suitability as a transgenic FVIII production platform. Furthermore, PLCs significantly increased FVIII secretion after transduction with a lentiviral vector (LV) encoding a myeloid codon-optimized bioengineered FVIII containing high-expression elements from porcine FVIII. Importantly, transduced PLCs did not upregulate cellular stress or innate immunity molecules, demonstrating that after transduction and FVIII production/secretion, PLCs retained low immunogenicity and cell stress. When LV encoding five different bioengineered FVIII transgenes were compared for transduction efficiency, FVIII production, and secretion, data showed that PLCs transduced with LV encoding hybrid human/porcine FVIII transgenes secreted substantially higher levels of FVIII than did LV encoding B domain-deleted human FVIII. In addition, data showed that in PLCs, myeloid codon optimization is needed to increase FVIII secretion to therapeutic levels. These studies have identified an optimal combination of FVIII transgene and cell source to achieve clinically meaningful levels of secreted FVIII.

Indexed as

cell therapycodon-optimizationET3FVIIIgene therapyhemophilia AHSQplacental cells

Identifiers

PMID32258210
PMCPMC7109377
OpenAlexW3010917031

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.