Evidence map›Paper›PMID 17653101›Full record

ArticleMolecular therapy : the journal of the American Society of Gene Therapy2007

The enhancing effects of the light chain on heavy chain secretion in split delivery of factor VIII gene.

Lingxia Chen, Fuxiang Zhu, Juan Li, Hui Lu, Haiyan Jiang, Rita Sarkar, Valder R Arruda, Jinhui Wang, Jennifer Zhao, Glenn F Pierce and 8 more

Open access · greenAbstract read
In one paragraph

Article in Molecular therapy : the journal of the American Society of Gene Therapy, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
2.5field-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

22 citing papers in PubMed, 44 citations in OpenAlex.

  1. Article
  2. Article
  3. AAV vectors: The Rubik's cube of human gene therapy.Molecular therapy : the journal of the American Society of Gene Therapy · 2022
    Review
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Gene therapy for hemophilia.Frontiers in bioscience (Landmark edition) · 2015
    Review
  10. Article
  11. Article
  12. Article
  13. Liver-Directed Adeno-Associated Viral Gene Therapy for Hemophilia.Journal of genetic syndromes & gene therapy · 2012
    Article
  14. Engineering Factor Viii for Hemophilia Gene Therapy.Journal of genetic syndromes & gene therapy · 2011
    Article
  15. Advances in Gene Delivery Systems.Pharmaceutical medicine · 2011
    Article
  16. Article
  17. Characterization of genome integrity for oversized recombinant AAV vector.Molecular therapy : the journal of the American Society of Gene Therapy · 2010
    Article
  18. Article
  19. Enhanced factor VIII heavy chain for gene therapy of hemophilia A.Molecular therapy : the journal of the American Society of Gene Therapy · 2009
    Article
  20. Review
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

18 authors at 7 institutions in 3 countries.

Lingxia ChenDepartment of Pediatrics, University of Pennsylvania Medical Center and The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania 19104, USA.
Fuxiang Zhu
Juan Li
Hui Lu
Haiyan Jiang
Rita Sarkar
Valder R Arruda
Jinhui Wang
Jennifer Zhao
Glenn F Pierce
Qiulan Ding
Xuefeng Wang
Hongli Wang
Steven W Pipe
Xiang-Qin Liu
Xiao Xiao
Rodney M Camire
Weidong Xiao
Children's Hospital of Philadelphia · USShanghai Jiao Tong University · CNUniversity of Pennsylvania · USBayer (United States) · USDalhousie University · CAUniversity of North Carolina at Chapel Hill · USUniversity of Michigan–Ann Arbor · US

Funding

Molecular engineering of factor VIII gene for rAAV deliveryR01HL084381 · NHLBI · TEMPLE UNIV OF THE COMMONWEALTH · PI XIAO, WEIDONG · 2008 to 2012
$1.9M
Molecular and Cellular Characterization of AAV1 VectorR01HL069051 · NHLBI · CHILDRENS HOSPITAL OF PHILADELPHIA · PI XIAO, WEIDONG · 2002 to 2005
$1.3M
NHLBI NIH HHS R01 HL069051NHLBI NIH HHS R01HL069051NHLBI NIH HHS R01 HL084381NHLBI NIH HHS R01HL084381
6 · The paper itself

Abstract

Coagulation factor VIII (FVIII) is secreted as a heterodimer consisting of a heavy chain (HC) and a light chain (LC), which can be expressed independently and reassociate with recovery of biological activity. Because of the size limitation of adeno-associated virus (AAV) vectors, a strategy for delivering the HC and LC separately has been developed. However, the FVIII HC is secreted 10-100-fold less efficiently than the LC. In this study, we demonstrated that the F309S mutation and enhanced B-domain glycosylations alone are not sufficient to improve FVIII HC secretion, which suggested a role of the FVIII LC in regulating HC secretion. To characterize this role of the FVIII LC, we compared FVIII HC secretion with and without the LC via post-translational protein trans-splicing. As demonstrated in vitro, ligation of the LC to the HC significantly increased HC secretion. Such HC secretion increases were also confirmed in vivo by hydrodynamic injection of FVIII intein plasmids into hemophilia A mice. Moreover, similar enhancement of HC secretion can also be observed when the LC is supplied in trans, which is probably due to the spontaneous association of the HC and the LC in the secretion pathway. In sum, enhancing the secretion of the FVIII HC polypeptide may require the proper association of the FVIII LC polypeptide in cis or in trans. These results may be helpful in designing new strategies to improve FVIII gene delivery.

Indexed as

AnimalsBlotting, WesternCell LineFactor VIIIHumansMiceMice, KnockoutPlasmidsProtein Processing, Post-TranslationalFactor VIII

Identifiers

PMID17653101
PMCPMC2596977
OpenAlexW2081562071

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.