Decades
of gene therapy research has yielded a reasonably good carrier for genetic material, the adeno - associated virus (AAV).
What may sound like an ad for a futuristic tanning salon is actually a triumph
of gene therapy research: A tweaked gene turns the skin cells of albino mice a dark color that lasts for weeks.
So a new wave
of gene therapy research is turning to nanoparticles to get the job done.
The RAC model of diverse committee membership and open meetings has ensured a public voice in the review of the safety and ethics
of gene therapy research among academic and industrial investigators.
Not exact matches
Advances in molecular biology and bioinformatics have led to an explosion
of research on the causes
of hearing loss and how to fix it with drugs or
gene therapy.
Kevin Whittlesey (2006 - 07 Congressional Fellow sponsored by Optical Society
of America and Materials
Research Society) has moved into the
gene therapy field at 4D Molecular Therapeutics as director
of program and alliance management.
It's up to the scientific community to maintain and enforce international codes
of ethics regarding clinical
research on
gene therapy techniques, the authors say.
«I think it awakens the possibility
of gene therapy for neuropsychiatric diseases,» says Husseini Manji, a senior investigator at Johnson & Johnson Pharmaceutical
Research & Development in Titusville, N.J., who was not involved in the study.
As Saaïd Safieddine, CNRS Director
of Research at the Institut Pasteur and co-senior author
of the study with Prof. Christine Petit (head
of the Genetics & physiology hearing unit at the Institut Pasteur), explains, «we have just shown that it is possible to partially correct a specific form
of hereditary hearing loss accompanied by balance problems using local
gene therapy performed after the embryogenesis
of the ear, which is primarily affected by the mutation responsible for the disorder.
«Steep funding cuts for the federal health agencies are counterproductive at a time when innovative
research is moving us closer to identifying solutions for rare diseases, new prevention strategies to protect Americans from deadly and costly conditions, advances in
gene therapy, new technologies for understanding the brain, and treatments that harness the ability
of our immune system to fight cancer.»
The policy — in the form
of first Office Actions on a series
of applications for patents on expressed sequence tags, ESTs — could greatly complicate basic
gene therapy research by substantially allowing patents for small sequences
of a
gene that may later be used by the patent holder to corner ownership and uses
of entire
genes.
In science news around the world, NASA's Cassini mission is about to take its final plunge into the atmosphere
of Saturn after 13 years providing an unprecedented view
of the planet and its moons, a fight over whether to preserve or develop
of one Europe's oldest gold mining sites heats up again, the U.S. Food and Drug Administration approves the first cancer
gene therapy for people, a U.S. court gives a green light to a $ 1 billion lawsuit brought by the Guatemalan victims and survivors
of mid — 20th century syphilis experiments by
research institutions including Johns Hopkins University, and more.
There already has been great effort to elucidate the mechanisms
of gene expression regulation, but it will be important to continue
research to fully realize the potential
of these epigenetic
therapies and their applications in clinical settings.
These annual telethons now help support four institutions: TIGEM, the Telethon Institute
of Genetics and Medicine; HSR - TIGET, the San Raffaele Telethon Institute
of Gene Therapy; Tecnothon, the laboratories for the creation
of new equipment for the disabled; and the Dulbecco Telethon Institute, which provides
research facilities for excellent young Italian scientists.
These include the ability to bring new, innovative products to the market; progress in oncology, such as the approval
of Genentech's drug Avastin for breast cancer and advances in the use
of gene therapy, despite some setbacks; continuing progress in
research on stem cells; the emergence
of treatments for previously untreated diseases; and solutions for food and fuel shortages, such as biocrops and biofuels.
«It was kind
of fun being at a medical school and known as the weird guy who worked with dogs,» says Modiano, who is now a professor
of comparative oncology at the University
of Minnesota College
of Veterinary Medicine and the Masonic Cancer Center, where his
research focuses on immunology, cancer cell biology, cancer genetics, and applications
of gene therapy.
«The bottom line question,» says Christopher Austin, a neurogeneticist at Merck
Research Laboratories in West Point, Pennsylvania, is whether this kind
of gene therapy can stem the rate
of brain cell death.
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.
After this incident, and the death in 1999
of a young man in a clinical trial, apparently because
of an immune reaction to the treatment,
gene therapy research grounds nearly to a halt.
Muscle biologists Qi Long Lu and Terence Partridge at the Medical
Research Council Clinical Sciences Centre in London, U.K., and their colleagues decided to combined the antisense strategy with a chemical often used in
gene therapy because it is known to improve delivery
of DNA into cells.
This achievement will also contribute to accelerating the
research applications
of RNAi such as to the development
of RNA - based next - generation drugs, for example as
gene therapy to suppress the production
of a disease - causing protein.
«The implications
of successful
gene therapy are profound, and we are delighted to be associated with this study program,» says Ernesto Bertarelli, co-chair
of the Bertarelli Foundation, the primary funder
of the
research.
In the midst
of these investigations,
gene therapy research almost ground to a complete halt.
Cancer researcher Janet Sawicki
of the Lankenau Institute for Medical
Research in Pennsylvania, chemical engineer Robert Langer
of MIT, and their colleagues are investigating biodegradable nanoparticles to deliver
gene therapy for ovarian cancer.
Since we have succeeded in confirming the accuracy
of CRISPR - Cas9, we anticipate that there will be a great progress in the development
of gene or cell
therapies,» emphasizing the significance
of this
research achievement.
«
Research into basic workings
of immune system points to way
of improving
therapies for cancer: Differences in wiring
of «exhausted» and effective T cells indicate possible
gene - editing targets.»
The nanotechnology approach that is being tested for inhibitor control could also improve the haemophilia treatment that is now at the cutting edge
of clinical
research:
gene therapy.
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.
The
research examined spinal injuries but likely has implications for treating a number
of brain conditions through
gene therapy targeting astrocytes, said Dr. Mark Goldberg, Chairman
of Neurology & Neurotherapeutics at UT Southwestern.
The finding warrants
research into adding drugs that could prevent the cancer from hijacking patients» repressive
gene regulatory machinery, which might allow the original
therapy to work long enough to eradicate the tumor, the researchers report in their National Institutes
of Health - funded study, published in the current issue
of Science Translational Medicine.
Because the precise activation
of Hox
genes is essential for a cell's fate, «the
research should prove extremely useful in developing novel embryonic stem cell - based
therapies, Mazzoni adds.
The Alliance for Cancer
Gene Therapy, the Lance Armstrong Foundation, Leukemia
Research Foundation, and the Scleroderma Foundation are just a few examples
of the organizations supporting new investigator grants.
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 researchers, including scientists from The Genome Institute at Washington University School
of Medicine, presented the
research titled, «Patient - derived xenograft study reveals endocrine
therapy resistance
of ER + breast cancer caused by distinct ESR1
gene aberrations.»
New
research out
of the University
of Michigan supports combining two approaches to fight back against gliomas: attacking the tumor with
gene therapy while enhancing the immune system's ability to fight it, too.
In a long - awaited success for
gene therapy, a
research team from the University
of Pennsylvania restored sight to two patients suffering from Leber's Congenital Amaurosis (LCA), a previously untreatable form
of blindness.
The Salk and TSRI scientists used a range
of neuro - genetic,
gene therapy, biochemical and structural biology
research techniques to discover that the mutant GlyRS enzyme blocked molecular signals important for maintaining the health
of motor neurons, the cells that carry messages from the brain to the muscles
of the extremities.
«The study showed for the first time that a modified nNOS
gene could be delivered through
gene therapy to protect the hearts
of mice from Duchenne muscular dystrophy,» said Dongsheng Duan, PhD, co-author
of the study and Margaret Proctor Mulligan Professor in Medical
Research at the MU School
of Medicine.
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.
Because CRISPR will never fully be rid
of off - target effects, the key question for a given
therapy is not strictly how many unwanted cuts it makes, but whether it disrupts any essential
genes, says Jiing - Kuan Yee, a molecular biologist at the
research center City
of Hope in Duarte, California.
They do social science, health, philosophical, policy, or legal
research on topics such as privacy, confidentiality, the psychological impact
of genetic information, informed - consent issues in genomics
research, commercialization
of genetic products, genetically modified foods, behavioral genetics,
gene testing, and
gene therapy.
Researchers from the Institute
of Neurosciences at the Universitat Autònoma de Barcelona (INc - UAB) and the Vall d'Hebron
Research Institute (VHIR) are the first to demonstrate that regulation
of the brain's Klotho
gene using
gene therapy protects against age - related learning and memory problems in mice.
The
research team found that when a particular mitochondrial fission protein (GTPase dynamin - related protein - 1 — Drp1) was blocked using either
gene -
therapy or a chemical approach in experimental models
of PD in mice, it reduced both cell death and the deficits in dopamine release — effectively reversing the PD process.
Secondly, this is the first
research to demonstrate that the loss
of hair cells and hearing can be curtailed in USH3 mice by clarin - 1
gene therapy.
Dr. Giatsidis and coauthors reviewed the state
of the art in
research on
gene therapy techniques for treatment
of local disorders and injuries — the first such review in more than a decade.
Several
research groups are pursuing
gene therapy approaches to regenerate skin, such as using
genes to control expression
of growth factors involved in skin healing.
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.
But Savio Woo, a
gene therapy researcher at Mount Sinai School of Medicine in New York City and past president of the American Society of Gene Therapy, says that vigorous FDA oversight will strengthen gene therapy resea
gene therapy researcher at Mount Sinai School of Medicine in New York City and past president of the American Society of Gene Therapy, says that vigorous FDA oversight will strengthen gene therapy re
therapy researcher at Mount Sinai School
of Medicine in New York City and past president
of the American Society
of Gene Therapy, says that vigorous FDA oversight will strengthen gene therapy resea
Gene Therapy, says that vigorous FDA oversight will strengthen gene therapy re
Therapy, says that vigorous FDA oversight will strengthen
gene therapy resea
gene therapy re
therapy research.
Next Wave asked: If
research on
gene vectors can be used not only to further
gene therapy but also — potentially — to aid in the development
of biological weapons, should scientists be concerned about the potential applications
of their
research in genetics (as Joseph Rotblat suggested in a 19 Nov 1999 editorial in Science magazine?)
Arthur Nienhuis, a hematologist at St. Jude Children's
Research Hospital in Memphis, Tenn., and president
of the American Society
of Gene Therapy, responds: