Ultrasound-guided stem cell sampling from the early ovine fetus for prenatal ex vivo gene therapy

DV Surbek, A Young, E Danzer, A Schoeberlein… - American journal of …, 2002 - Elsevier
Objective: Prenatal ex vivo gene therapy might be an effective and safe strategy with which
to treat severe genetic disorders in utero. For this purpose, autologous fetal stem cells must …

Organ targeted prenatal gene therapy—how far are we?

V Mehta, K Abi Nader, S Waddington… - Prenatal …, 2011 - Wiley Online Library
Prenatal gene therapy aims to deliver genes to cells and tissues early in prenatal life,
allowing correction of a genetic defect, before long‐term tissue damage has occurred. In …

Fetal gene therapy: recent advances and current challenges

CN Mattar, M Choolani, A Biswas… - Expert Opinion on …, 2011 - Taylor & Francis
Introduction: Fetal gene therapy (FGT) can potentially be applied to perinatally lethal
monogenic diseases for rescuing clinically severe phenotypes, increasing the probability of …

Evidence for contribution of CD4+ CD25+ regulatory T cells in maintaining immune tolerance to human factor IX following perinatal adenovirus vector delivery

MS Nivsarkar, SMK Buckley, AL Parker… - Journal of …, 2015 - Wiley Online Library
Following fetal or neonatal gene transfer in mice and other species immune tolerance of the
transgenic protein is frequently observed; however the underlying mechanisms remain …

[HTML][HTML] Persistent circulating human insulin in sheep transplanted in utero with human mesenchymal stem cells

A Ersek, JS Pixley, AD Goodrich, CD Porada… - Experimental …, 2010 - Elsevier
OBJECTIVE: To determine if mesenchymal stem cells (MSC) derived from human fetal
pancreatic tissue (pMSC) would engraft and differentiate in sheep pancreas following …

A novel route of transplantation of human cord blood stem cells in preimmune fetal sheep: the intracelomic cavity

G Noia, L Pierelli, G Bonanno, G Monego, A Perillo… - Stem Cells, 2003 - academic.oup.com
The intracelomic route for in utero hematopoietic stem cell transplantation was evaluated in
preimmune fetal sheep and the engraftment characteristics were defined. Twelve twin ovine …

[HTML][HTML] Humoral immune response to recombinant adenovirus and adeno-associated virus after in utero administration of viral vectors in mice

M Jerebtsova, ML Batshaw, X Ye - Pediatric research, 2002 - nature.com
Adenovirus and adeno-associated virus vector-mediated gene delivery is limited by the
induction of a humoral immune response that prevents readministration. To determine …

Activation of homology-directed DNA repair plays key role in CRISPR-mediated genome correction

G Mondal, CJ VanLith, CT Nicolas, WS Thompson… - Gene Therapy, 2023 - nature.com
Gene editing for the cure of inborn errors of metabolism (IEMs) has been limited by
inefficiency of adult hepatocyte targeting. Here, we demonstrate that in utero CRISPR/Cas9 …

Immune ontogeny and engraftment receptivity in the sheep fetus

JL Skopal-Chase, JS Pixley, A Torabi… - Fetal diagnosis and …, 2009 - karger.com
Objective: The biologic explanation for fetal receptivity to donor engraftment and subsequent
long-term tolerance following transplantation early in gestation is not known. We …

[HTML][HTML] Treatment of hemophilia A in utero and postnatally using sheep as a model for cell and gene delivery

CD Porada, G Almeida-Porada - Journal of genetic syndrome & …, 2012 - ncbi.nlm.nih.gov
Hemophilia A represents the most common inheritable deficiency of the coagulation
proteins. Current state-of-the-art treatment consists of frequent prophylactic infusions of …