In a novel study US researchers say that they have essentially renovated the understanding of the genetics of schizophrenia. The study showed that fresh mutations in DNA are occupied in about half of cases of schizophrenia, when there is no family history of the illness.
The mutations in forty diverse genes were found by researchers. Schizophrenia is fairly common and affects one in every one hundred people during their lifetime. Genes play a significant role in the illness and a tenth sufferer of schizophrenia also has a family history of the condition.
The symptoms of the condition may include delusions, difficulty thinking, feeling as though body is controlled by someone else, hallucinations and loss of interest, energy and emotions. But, now researchers found that, genetics play a significant role even in cases, which have not been hereditary. The human DNA is not a perfect replica of genetic code of their parents.
A study carried out by researchers from Columbia University Medical Center examined the genetic code of more than two hundred people, among those some were having the condition and some were without the condition. The research team found mutations in forty genes, which were associated with schizophrenia.
According to lead author Dr Maria Karayiorgou, the truth that the mutations are all produced diverse genes is especially intriguing. It proposes that many more mutations than they alleged may contribute to schizophrenia. This is possibly as of the intricacy of the neural circuits that are affected by the disease; many genes are required for their development and function.
The discovery of these harmful mutations has essentially changed their understanding of genetic basis of schizophrenia, explained co-researcher Prof Bin Xu. It is believed that the intricacy of the brain and the large number of genes occupied provided a big target for mutation.
The report published in the journal nature Genetics squabbles that this gives a probable explanation for both the high global incidence and the doggedness of schizophrenia in spite of awfully changeable environmental aspects. Any study that helps to develop a better insight of the causes of schizophrenia is welcomed, Paul Jenkins from The charity Rethink Mental Illness.
It ultimately brings them closer to find new ways of preventing or treating the condition in the future. The charity Rethink Mental Illness said research on mental illnesses lagged behind that of other conditions.