In one of the forms
of thalassaemia they studied, correctly spliced products rose from 10 per cent to more than 80 per cent (Proceedings of the National Academy of Sciences, vol 90, p 8673).
Not exact matches
The screening test for sickle cell and
thalassaemia should be offered as early as possible before 10 weeks
of pregnancy.
Down's syndrome, haemophilia, fragile X syndrome, sickle - cell anaemia,
thalassaemia and a plethora
of other disorders are also down to genetic defects.
A 21 - YEAR - OLD Frenchman is the first person in the world to be cured
of the blood disorder beta -
thalassaemia through gene therapy.
Thalassaemia is the world's most common genetic disease and is caused by mutations in one or both
of the genes that code for haemoglobin.
David Weatherall, a
thalassaemia expert at the University
of Oxford, UK, told New Scientist: «In principle I'm greatly encouraged by this work.
A subtle form
of gene therapy for
thalassaemia has received a boost with the creation
of a modified virus that successfully shuttles the required genetic machinery into cells.
But Lo's team found more
of the healthy allele, suggesting that the fetus had inherited the correct maternal copy
of the gene and would not develop beta -
thalassaemia.
Diana W. Bianchi, a reproductive geneticist at Tufts University School
of Medicine in Boston, Mass., agrees that fetal genomes could inform treatment in the future, but she questions the need to replace conventional genetic testing with whole - genome sequencing to diagnose genetic diseases such as beta -
thalassaemia and cystic fibrosis.
The woman's unborn child inherits one allele from its mother and one from its father, which gives it a 25 percent chance
of getting two healthy alleles; a 50 percent chance
of one faulty allele and one healthy; and a 25 percent chance
of getting two mutated alleles that together would cause it to develop beta -
thalassaemia, a potentially fatal blood disorder caused by low oxygen uptake.
One form causes
thalassaemia in Greek people and one in Chinese people; the other causes a rare form
of the disease in Mediterranean people.
If they were present in equal proportions, it would mean that the child had indeed inherited the disease mutation from its mother, giving it a double dose
of faulty genes that would lead to beta -
thalassaemia.
Alpha - haemoglobin stabilising protein is a quantitative trait gene that modifies the phenotype
of beta -
thalassaemia.
Transfusion independence and HMGA2 activation after gene therapy
of human β -
thalassaemia.
Β -
Thalassaemia is a blood condition that negatively impacts the production
of haemoglobin, limiting the patient's ability to transport oxygen.
Expenses incurred by the individual on the treatment
of critical ailments like Cancer, AIDS, neurological diseases, Parkinson's disease, Haemophilia,
Thalassaemia and chronic renal failure, are tax deductible.