Division
of Human Gene Therapy, Department of Medicine, Department of Pathology, Department of Surgery, and the Gene Therapy Center, Birmingham, Alabama, UK
The research, part of a phase I clinical trial to test the safety of the treatment, was published as a letter to the editor in The New England Journal of Medicine earlier this week and will be in the September issue
of Human Gene Therapy.
«Those were very dark days when people worried the field was not going to survive,» says David T. Curiel, director of the division
of human gene therapy at the University of Alabama at Birmingham.
Not exact matches
Katherine High, Spark's president and chief scientific officer, expressed her enthusiasm for the early clinical data related to SPK - 8011: «The encouraging start
of our SPK - 8011 clinical trial reinforces the strength
of our
gene therapy platform, delivers
human proof -
of - concept in a second liver - mediated disease — a significant achievement in the
gene therapy field — and positions us well to potentially transform the current treatment approach for this life - altering disease with a one - time intervention.»
They include going after the damage to cells done by free radicals, making use
of hormone
therapy, or caloric restrictions, or vitamin supplements, or, most dramatically, healthy
gene selection through pre-implantation genetic diagnosis and even repairing the entire
human genome.
The principles that have emerged thus far are these: We should seek new knowledge
of our
genes (and we can say this without deciding whether the
Human Genome Initiative is the wisest and most cost - effective way to do so) We should seek
therapies for the genetic disorders that afflict many people.
Gene therapy procedures in
humans have been linked to the onset
of leukemia and various tumors, as well as sudden death.
Gene therapy delivered to a specific part
of the brain reverses symptoms
of depression in a mouse model
of the disease — potentially laying the groundwork for a new approach to treating severe cases
of human depression in which drugs are ineffective.
The scope
of bioethics can expand with biotechnology, including cloning,
gene therapy, life extension,
human genetic engineering, astroethics and life in space, and manipulation
of basic biology through altered DNA, XNA and proteins.
These allusions to the past aren't surprising considering how drastically the clinical trial changed
gene therapy and, in particular, the career of James M. Wilson, the medical geneticist who headed Penn's Institute for Human Gene Therapy, where the test took pl
gene therapy and, in particular, the career of James M. Wilson, the medical geneticist who headed Penn's Institute for Human Gene Therapy, where the test took
therapy and, in particular, the career
of James M. Wilson, the medical geneticist who headed Penn's Institute for
Human Gene Therapy, where the test took pl
Gene Therapy, where the test took
Therapy, where the test took place.
The investigators caution the approach is years away from use in
humans, but
gene therapy carries the promise
of restoring hearing in people with several forms
of both genetic and acquired deafness.
So far,
gene therapy attempts have only resulted in partial improvements
of hearing in mouse models
of specific
human deafness forms that did not include severe anomalies in hair cell structure.
This study represents a significant step towards the development
of clinical trials in
gene therapy for the curative treatment
of hereditary deafness and balance loss in
humans.
A team
of researchers at the Stanford University School
of Medicine has used a
gene - editing tool known as CRISPR to repair the
gene that causes sickle cell disease in
human stem cells, which they say is a key step toward developing a
gene therapy for the disorder.
Theodore Friedmann, who directs the program in
human gene therapy at the University
of California at San Diego, spearheaded the first
of these workshops six years ago.
In the 1990s scientists such as himself, he explains, were too caught up in the promise
of gene therapy to realize that they did not know enough about it to warrant
human testing.
No cases
of severe pancreatitis and only one admission to the intensive care unit for an LPLD - related abdominal event were reported in the study published in
Human Gene Therapy.
The SMA model pig was created using a
gene therapy approach by knocking down the levels
of pig SMN, followed by treatment with
human SMN at early and late time points.
One clinical trial involves the drug CGF166, a one - time
gene therapy, which, if proven successful in
humans, could regenerate new hair cells within the cochlea that can signal the part
of the brain that processes sound.
For his part, Collins, who has led NIH since 2009 and been kept on by the Trump administration, pointed to an array
of promising NIH activities, including the development
of new technologies to provide insights into
human brain circuitry and function through the Brain Research through Advancing Innovative Neuroethologies (BRAIN initiative) and the use
of the
gene - editing tool CRISPR - Cas9 to correct mutations and clear the way to develop and test a «curative
therapy» for the first molecular disease: sickle cell disease.
Before moving on to
human trials, they will need to study all instances
of «off - target» effects: Years before Crispr, the viruses employed to deliver DNA in
gene therapy trials occasionally damaged the whole system, causing cancer.
The lack
of discrimination in the viruses used to carry therapeutic
genes has been a major obstacle to testing
gene therapy in
humans.
The author is director
of the Program in
Human Gene Therapy, University
of California at San Diego School
of Medicine, La Jolla, CA 92093 - 0634.
Skeletal muscle is one
of the largest tissues in the
human body and current
gene therapy methods are only able to affect a portion
of the muscle.
Regulators in the US could soon be asked to approve a
human trial
of gene therapy for cystic fibrosis that uses a hybrid
of the HIV and Ebola viruses.
«Our
gene therapy protocol is not yet ready for clinical trials — we need to tweak it a bit more — but in the not - too - distant future we think it could be developed for therapeutic use in
humans,» says Jeffrey Holt, PhD, a scientist in the Department
of Otolaryngology and F.M. Kirby Neurobiology Center at Boston Children's and an associate professor
of Otolaryngology at Harvard Medical School.
Gene therapy can be used to neutralise harmful
human genes, such as those that cause cancer, or to insert healthy copies
of damaged
genes into people with a genetic disease.
29 GENETICALLY MODIFIED SUPERHUMANS The debate over
human germ - line engineering — reworking
genes in the sperm and egg to create inheritable new traits — sputtered out early in the last decade after
gene therapy had a series
of notable failures.
In
humans, variants
of the IL - 15R - alpha
gene have been found in world - class endurance competitors, suggesting a target for
gene therapies aimed at boosting the ability to exercise longer.
The method, reported in the November issue
of Nature Biotechnology, could lead to safe and effective
human gene therapies for cystic fibrosis, hemophilia, and a variety
of other diseases.
In March 2002, Theodore Friedmann, who directs the program in
human gene therapy at the University
of California at San Diego and has advised the National Institutes
of Health and congressional leaders on
gene - related issues, organized a three - day workshop for the world agency.
If successful, it could eventually pave the way for
gene -
therapy tests
of humans with MS.
Most
gene -
therapy trials use viruses to deliver
genes to a patient's cells, and most
of those viruses are retroviruses, which have the ability to neatly splice their
genes — and the
human gene they're carrying — into a cell's chromosomes.
To prevent this decline in Area X, White's research team used methods similar to
human gene therapy to insert a version
of FoxP2 in male zebra finches.
Penn Vet researchers have had success in treating various forms
of blindness in dogs with
gene therapy, setting the stage to treat
human blindness.
↵ * Present address: Department
of Molecular and Cellular Engineering and Institute for
Human Gene Therapy, University
of Pennsylvania, Philadelphia, PA 19104, USA.
The roadmap outlines future research directions toward the goal
of enhancing
human radioresistance, including upregulation
of endogenous repair and radioprotective mechanisms, possible leeways into
gene therapy in order to enhance radioresistance via the translation
of exogenous and engineered DNA repair and radioprotective mechanisms, the substitution
of organic molecules with fortified isoforms, the coordination
of regenerative and ablative technologies, and methods
of slowing metabolic activity while preserving cognitive function.
The blood sugar
of the diabetic mice were made normal by the
gene -
therapy - treated
human islets on the right.
One
of the most promising avenues for developing a cure, however, is through
gene therapy, and to create those
therapies requires animal models
of disease that closely replicate the
human condition.
Field reports suggest that not all K13 mutations are capable
of causing resistance, and the genetic system developed by Dr. Fidock to study K13, based on DNA repair approaches that are being used in
human gene therapy studies, will be critical in identifying real hot spots
of resistance.
The specificity
of this DNA cutting activity has made CRISPR - Cas the darling
of gene therapy researchers, who have modified it to make precise changes in the genomes
of cultured cells, laboratory animals, and even
humans.
The team at UF's Powell Center for Rare Disease Research and
Therapy conducted the first in - human study of gene therapy to treat respiratory dysfunction in patients with infantile onset
Therapy conducted the first in -
human study
of gene therapy to treat respiratory dysfunction in patients with infantile onset
therapy to treat respiratory dysfunction in patients with infantile onset Pompe.
For the animal experiments, Savio Woo
of the Center for
Gene Therapy at Baylor College
of Medicine in Houston and his colleagues first isolated liver cells from transgenic mice that produce the
human protein a1 - antitrypsin in their livers, from where it is secreted into the blood.
Collins had been corresponding regularly with a leading
human gene therapy proponent, James Wilson, who soon moved his lab to the University
of Michigan, right next door to Collins» own.
The FDA has also issued warning letters — a less severe sanction — to two
of Wilson's collaborators in the study — Steven Raper
of the Institute for
Human Gene Therapy and Mark Batshaw
of Children's National Medical Center in Washington, D.C.
This conference touched on a broad spectrum
of topics encompassing scientific integrity, including
gene therapy, guidelines for animal and
human subject use, authorship, public health issues, and the involvement
of minorities in research.
For the past 3 months, faculty and staff members at the University
of Pennsylvania's Institute for
Human Gene Therapy have been trying to understand why a relatively fit 18 - year - old with an inherited enzyme deficiency died on 17 September, 4 days after doctors at Penn injected a genetically altered virus into his liver.
Gene therapy has been rhapsodized and vilified in its nearly two decades
of human testing, helping some and making others sicker.
«This is suggestive [
of efficacy] and encourages us to move on,» says Crystal, whose team reports its results online today in
Human Gene Therapy.
The results, published in the current issue
of Human Molecular Genetics, open the door for pursuing
gene editing in nonhuman primates as models for new
therapies, including pharmacological,
gene - and stem cell - based
therapies, said Keith Latham, MSU animal science professor and lead author
of the study.