The origins of the violent behaviour are multifactorial and respond to
the interaction of several factors -- biological, cultural, social, etc.
-- which can modify the expression of the human behaviour. Which is followed by
international study published in the journal Molecular Psychiatry has identified forty genes related to aggressive behaviour in humans and mice.
Aggressive behaviour is a present feature over the biological evolution
since it has some benefits for the survival of species (accessing
resources, breeding, etc.). As we know aggressiveness has a significant environmental element like combine genetic and environmental data from the same individuals to
consider the interactions that can occur between the same risk factors
that influence aggresive behavior"
According to study Humans and mice share a common genetic base regarding violent behaviour, There are some identified forty genes in humans and mice that can lead to a risk of
aggressive behaviours "and that take part in biological processes are related to the development and function of the central nervous
system, communication within cells and cellular function maintenance, " adds researcher Fernàndez Castillo (IBUB-CIBERER-IRSJD). "Some genes
are likely to function as important nodes of the genetic networks prone to
a violent behaviour, and those would be probably related to other genes
which play a minor role," adds the researcher.
"If any of those central genes is altered, it could affect the other
genes and lead to the aggressive phenotype. For instance, RBFOX1 gene,
identified in the new study and cited in a previous article by European Neuropsychopharmacology, 2017 , Which regulates the expression of fifteen out of the forty genes that identified in the study. Another gene marked as -MAOA, which codes a
metabolizing enzyme of the serotonin neurotransmission-, is related to
drugs used to treat several psychiatric pathologies, sycg as selective
inhibitors of serotonin reuptake or SSRIs."
Violent Behavio from ADHD to major depression
An international study published in the journal Molecular Psychiatry reveals a shared genetic base between the aggressiveness in children and
adults and the Attention Deficit Hyperactivity Disorder (ADHD), and the
aggressiveness in adults and major depression. However, there is no
genetic correlation with other psychiatric disorders -schizophrenia,
bipolar disorder, autism or post-traumatic stress disorder-, so
everything suggests these pathologies would not share risk genetic
factors with aggressiveness.
So there is a several study like in murine models, researchers studied genes expressed differentially in
aggressive animals and non-aggressive animals from the same strain, and
other genes that, once they are inactive -in transgenic mice-, form an
aggressive phenotype, sometimes related to a broader symptomatology.
Working globally on the involved functional pathways in violent
behaviours enabled researchers knowing more about the details of the
molecular mechanisms that work behind aggressiveness. "The most relevant
verification of the study is that many genes are related to
aggressiveness according to the results of very different experimental
methodologies, which strengthens the idea of those participating in the
behaviour profile," highlight Cormand and Fernàndez Castillo, members of
the international multidiscipline consortium Aggressotype for the study
of biological and environmental causes of aggressiveness.
There are so many experts have published several articles which shaping regarding this topic in several animals.
Violence: government, communities, and individuals can change the situation worldwide
"The 20st century will be remembered as the century of violence. Many
people live with it daily and regard it as something consubstantial to
the human condition, but it is not so. We can avoid it. Governments,
communities and individuals can change the situation," said Nelson
Mandela, politician and Nobel Peace Prize awardee in 1993, in the world
report on violence and health of the World Health Organization (WHO,
2002). In 2014, the WHO report on the world situation regarding
prevention of violence quoted Nelson Mandela's words and called all
countries to improve preventive measures against violent behaviors. In
this world scenario, facing a problem that affects all the layers of
society, scientific research will become more and more important in the
knowledge of the basis of antisocial behaviors and the improvement of
the prevention of episodes of violence and aggressiveness in the 21st
century society.
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