By design baby avoid disputes caused by genetic diseases

For suffering from genetic illnesses of parents, to have a healthy child is their greatest dreams. However, not all parents are fortunate birth is not affected by genetic diseases affect children.　　According to the survey, China's current annual newborn babies about 2000 million people suffering from hereditary disease of about 40 million, accounted for 2%, "design of baby" technologies to solve the problem of parents, but also the related issues. Don't worry about the children suffer from eye cancer

United Kingdom the times on May 13, the report says that in the United Kingdom Government has recently relaxed on human embryo screening constraints, one suffering from retinoblastoma (hereditary eye cancer) of women recently with related gene diagnosis technique conceives a "design baby", her belly of fertilized eggs have hospitals prior "filter" to avoid the child genetic cancer of the eye. This is the first case of United Kingdom prevent genetic cancer affect the design of the "baby". In the United Kingdom, retinoblastoma cases accounted for baby's first year with 11% of cancer cases. Suffering from this disease in children, almost half of the patients with the genetic parents. Experts said that even though 95 per cent of the retinoblastoma early detection can be eliminated by treatment, including surgery, chemotherapy and treatments often results in blindness.

Babies can design

Speaking of "design baby" must mention preimplantation genetic diagnosis (PGD) of the medical technology. This technology into the medical application areas less than 20 years of history, about 1000 babies be born through this technique. This technology is a United Kingdom Hammersmith Hospital Winston Jazz-led research team in 1989.

The so called preimplantation genetic diagnosis is a doctor by in vitro fertilization method, create multiple embryos, and then filter by gene, select a suitable embryo implantation in the uterus baby birth mother. The latest studies show that through the preimplantation genetic diagnosis of baby not subjected to any sustained damage.

For many years engaged in vitro fertilization human assisted reproductive technology expert, Beijing maternity hospital obstetrics and Gynecology and Director of the Hospital of teacher-Ling said in an interview, the so-called "design baby", in fact or in vitro fertilization. She describes, in vitro fertilization techniques has been developed to the third generation, while the third generation in vitro fertilization technology is the use of genetic screening technology.

Currently available for detection of hereditary diseases PGD include: 1. autosomal dominant hereditary diseases: Marfan syndrome, myotonic atrophy, family sex fiber cyst; 2. autosomal recessive genetic: cystic fibrosis tumor, β-Eastern Mediterranean anemia, sickle cell disease, spinal muscular atrophy; 3.x chain hereditary diseases: pseudo hypertrophic muscular dystrophy, A hemophilia; 4. severe combined immunodeficiency: albinism; 5. woman age: balanced translocation carriers, gonadal chimeric type.

By PGD in this way, not only can you detect the embryo has a genetic disease, but also can detect the sex of an embryo. For decades, parents can choose the baby's health and gender, even appearance, stature, and personality traits can always select.

Raises the question of the right to life

"Design of baby" was not a clone of the baby, but still faces huge moral challenge. The design of baby book author Roger that, like with our children, is independent of the individual, they must not become the design of objects, we are also not eligible to become designers, because design standard we have no right to go to the judge; the uniqueness of the children are sacred and inviolable, and this uniqueness first reflected in its birth time contingencies and uncertainties.

Van Ling said, the gene for hereditary one incidence of concepts, and not all hereditary diseases in the next generation episode, plus the cost of expensive, at present, China's widespread screening technology have great difficulty. Introduction to the gene filtering technology adverse impact, she said, this was mainly the world faiths, legal controversy over different, its focus is the right to life. She believes that in accordance with our policy of eugenics, gene filtering technology on our population have a positive role in the development of optimization.