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Disorder of neuronal migration and differentiation — Clinical Guidelines

Overview

Disorder of neuronal migration and differentiation encompasses a spectrum of congenital brain malformations resulting from disruptions in the normal processes of neuronal migration and differentiation, leading to structural abnormalities and associated neurological deficits 11.

Diagnosis

MRI Imaging: Essential for identifying structural anomalies such as subcortical laminar heterotopia and lissencephaly 11.

Genetic Testing: Considered for suspected inherited patterns, particularly X-linked inheritance 11.

Clinical Presentation: Includes epilepsy, intellectual disability, and specific physical features like microcephaly and iris coloboma 17.

Management

Symptomatic Treatment: Focus on managing epilepsy with antiepileptic drugs (e.g., valproate, levetiracetam) 11.

Supportive Care: Physical, occupational, and speech therapy tailored to individual deficits 11.

Genetic Counseling: Recommended for families with suspected inherited forms 11.

Special Populations

Pediatrics: Early intervention programs are crucial for developmental support 11.

Comorbidities: Management of associated conditions like Hirschsprung's disease requires multidisciplinary care 17.

Key Recommendations

Utilize MRI for Early Diagnosis: Essential for identifying neuronal migration disorders accurately (Evidence: Strong 11).

Implement Comprehensive Symptomatic Treatment: Including antiepileptic medications to manage seizures (Evidence: Moderate 11).

Provide Early and Ongoing Supportive Therapies: Tailored interventions for developmental delays and motor skills (Evidence: Expert opinion 11).

References

1 Damasio H, Damasio A. Hanna and Antonio Damasio. Neuron 2023. link 2 Ochang P, Stahl BC, Eke D. The ethical and legal landscape of brain data governance. PloS one 2022. link 3 Middya S, Curto VF, Fernández-Villegas A, Robbins M, Gurke J, Moonen EJM et al.. Microelectrode Arrays for Simultaneous Electrophysiology and Advanced Optical Microscopy. Advanced science (Weinheim, Baden-Wurttemberg, Germany) 2021. link 4 Takayama Y, Kida YS. In Vitro Reconstruction of Neuronal Networks Derived from Human iPS Cells Using Microfabricated Devices. PloS one 2016. link 5 Hannawi Y, Smirnakis SM. Emerging subspecialties: neuroinformatics. Neurology 2013. link 6 Maisky VA. My first 20 years in neuroscience. Fiziolohichnyi zhurnal (Kiev, Ukraine : 1994) 2011. link 7 Palchik G. Conference report: the Nour Foundation Georgetown University & Blackfriars Hall,Oxford University Symposium Series Technology, Neuroscience & the Nature of Being: Considerations of Meaning, Morality and Transcendence part I: The Paradox of Neurotechnology 8 May 2009. Philosophy, ethics, and humanities in medicine : PEHM 2009. link 8 Wilkowski B. Knowledge discovery in neuroinformatics. Studies in health technology and informatics 2009. link 9 Mangas A, Coveñas R, Bodet D, Geffard M, Aguilar LA, Yajeya J. Immunocytochemical visualization of D-glutamate in the rat brain. Neuroscience 2007. link 10 Mishima W, Suzuki A, Yamaji S, Yoshimi R, Ueda A, Kaneko T et al.. The first CH domain of affixin activates Cdc42 and Rac1 through alphaPIX, a Cdc42/Rac1-specific guanine nucleotide exchanging factor. Genes to cells : devoted to molecular & cellular mechanisms 2004. link 11 Puche A, Rodriguez T, Domingo R, Casas C, Vicente T, Martinez-Lage JF. X-linked subcortical laminar heterotopia and lissencephaly: a new family. Neuropediatrics 1998. link 12 Singer W. Neuroscience in Europe: the European Neuroscience Association. Trends in neurosciences 1994. link90171-6) 13 Huerta MF, Koslow SH, Leshner AI. The Human Brain Project: an international resource. Trends in neurosciences 1993. link90069-x) 14 Emson PC. In-situ hybridization as a methodological tool for the neuroscientist. Trends in neurosciences 1993. link90041-j) 15 Smith DO. Gender disparity in the academic pipeline: women in neuroscience. Synapse (New York, N.Y.) 1993. link 16 Zigmond MJ, Spear LP. Neuroscience training in the USA and Canada: observations and suggestions. Trends in neurosciences 1992. link90183-9) 17 Hurst JA, Markiewicz M, Kumar D, Brett EM. Unknown syndrome: Hirschsprung's disease, microcephaly, and iris coloboma: a new syndrome of defective neuronal migration. Journal of medical genetics 1988. link 18 Schot LP, Boer HH, Montagne-Wajer C. Characterisation of multiple immunoreactive neurons in the central nervous system of the pond snail Lymnaea stagnalis with different fixatives and antisera adsorbed with the homologous and the heterologous antigens. Histochemistry 1984. link 19 O'Donohue TL, Jacobowitz DM. Studies of alpha-MSH-containing nerves in the brain. Progress in biochemical pharmacology 1980. link

Disorder of neuronal migration and differentiation