Science

Dealing with the hidden dangers behind ADHD and depression

In the complexity of mental health treatment, the complexity of using drugs to enhance mental acuity or manage psychological conditions has become widespread. This trend spans all ages, and countless individuals turn to drugs like Ritalin to address attention deficits or as a means of enhancing psychological priorities. The implications of this common drug use, especially when combined with antidepressants to treat complex mental health conditions. This combination of designs to address multiple mental health issues may inadvertently lead to behavioral changes and increased risk of addiction.

A groundbreaking study of addiction neuroscience led by Professor Heinz Steiner, and colleagues Lorissa Lamoureux, Joel Beverley and Michela Marinelli, at Rosalind Franklin University, research The effect of combining Ritalin with the potential dangers of using common antidepressants. They are together. The study reveals how this drug combination leads to unexpected behavioral metastasis and the higher likelihood of cocaine use in rats, thus providing red flags for similar results in humans.

“Our findings suggest that using these two drugs together, a common practice, can lead to unexpected and potentially harmful behavioral changes,” Professor Steiner shared. “This important study requires that when risky behavior increases, Careful consideration is required when prescribing these medications for attention problems and depression.

Professor Steiner further explained: “We found that a mixture of ribalin and antidepressants significantly increased the activity level in these animals, which could mean a higher tendency toward human risk.” The study closely monitored using innovative methods Animal movement and other behaviors, thus valuable insight into how this drug combination becomes a stepping stone for drug abuse.

Professor Steiner concluded: “This study highlights the complex ways in which these drugs interact with the brain’s reward system, which marks an important step in understanding how treatments for attention problems and depression can inadvertently lead to people’s drug abuse disease. “The results prompted a re-evaluation of current prescription practices, highlighting the need for a more nuanced understanding of the interactions of different drugs and their broader impacts. Professor Steiner and colleagues explored the behavioral effects of combining methylphenidate (MP) with fluoxetine (FLX), a widely used antidepressant. Although FLX alone did not significantly alter behavior, its binding to the MP-induced effect of MP amplification, especially in some subgroups of rats. These subgroups exhibit various responses: one with enhanced movement, followed by strong repetitive behavior, resulting in decreased movement and the other with gradual increase in movement but with only minimal repetitive behavior. Two weeks later, these various responses to drug combinations were associated with different responses to cocaine exposure, the former subgroup, rather than the latter, seeking and taking more cocaine, highlighting the complex interactions between these drugs, And potential vulnerability may increase. A specific subgroup of abuse individuals. Professor Steiner and his team stressed the need for caution to use the MP+FLX combination, especially due to their impact on the risk of drug use disorders.

Journal Reference

Heinz Steiner et al., “Fluoxetine enhances methylphenidate-induced behavioral responses: enhanced motivation or stereotypes and facilitates acquisition of cocaine self-administration,” Addiction Neuroscience, 2023. DOI: https://doi.org/10.10166/j.addicn.doi. 2023.100131.

About the Author

Dr. Heinz Steiner – Dr. Heinz Steiner is a professor of cell and molecular pharmacology at the Chicago Medical School, Rosalind Franklin University of Medicine and Science, and is the principal investigator at the Stanson Toshok Center for Brain Function and Repair at the Rosalind Franklin University. Dr. Steiner received his Master of Biology from the Swiss Federal Institute of Technology (ETH) in Zurich, Switzerland and his Ph.D. PhD in Physiological Psychology from the University of Düsseldorf, Germany. After working at the Bethesda National Institute of Mental Health, he was an assistant professor of research in the Department of Anatomy and Neurobiology at the University of Tennessee, School of Medicine, and the Memphis Neuroscience Center. He joined the faculty member of the Department of Cellular and Molecular Pharmacology, Chicago Medical College in 2000 and served as department chair from 2011 to 2022. Dr. Steiner’s research focuses on the functional organization of the basal ganglia and related brain systems, especially the role of the neurotransmitters dopamine and serotonin in the regulation of basal ganglia-cortical interactions. One of his main goals in his work is to understand how treatments for dopaminergic and serotonergic drugs lead to changes in gene regulation of genes and their consequences for drug addiction and other brain diseases. Dr. Steiner is the senior editor of the Basal Gangular Structure and Function Manual and co-editor of Elsevier’s Behavioral Neuroscience Manual series.

Dr. Michela Marinelli

Dr. Michela Marinelli He is an associate professor of neuroscience at the University of Texas at Austin, serving in the Department of Neurology, the Department of Psychiatry and Behavioral Sciences, and the Department of Pharmacology and Toxicology. Dr. Marinelli received his bachelor’s degree in pharmacy from the University of Rome “La Sapienza” (Italy) and his Ph.D. Doctor of Neuroscience and Pharmacology from the University of Bordeaux 2 (France). After her postdoctoral training in the United States, she was hired as an assistant professor by Inserm (the French equals the US NIH). Three years later in 2003, she was recruited by the Department of Cellular and Molecular Pharmacology at Rosalind Franklin University of Medical and Science in North Chicago. After working at that university for a decade, she moved to the University of Texas at Austin where she currently works. Dr. Marinelli’s main research aims to understand the neurobiological basis of drug addiction. Teams use the “system approach”, which means they examine and integrate different levels of information to understand how the system works and interacts. These variables were studied in rodent models and they range from cellular and molecular levels to the entire animal level. Dr. Marinelli has published more than 50 publications in peer-reviewed journals, and her work has been cited more than 8,000 times.

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