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Disorders of the Nervous Tissue01:28

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Nervous tissue is a vital component of the human body's communication system, enabling us to perceive and respond to stimuli. However, like all other tissues, it is vulnerable to disorders and diseases that can significantly impact our neurological functioning.
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Neurulation is the embryological process which forms the precursors of the central nervous system and occurs after gastrulation has established the three primary cell layers of the embryo: ectoderm, mesoderm, and endoderm. In humans, the majority of this system is formed via primary neurulation, in which the central portion of the ectoderm—originally appearing as a flat sheet of cells—folds upwards and inwards, sealing off to form a hollow neural tube. As development proceeds, the...
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Glia, or neuroglia, are vital support cells that assist neurons in their functions. The term "glia" originates from the Greek word for "glue," reflecting their role in holding the nervous system together. These cells can be categorized into six types: four in the central nervous system (CNS) and two in the peripheral nervous system (PNS).
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Peripheral Nervous System: Ganglia and Nerves01:24

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The Peripheral Nervous System (PNS) is a crucial component of the body's neural network, extending beyond the central nervous system (CNS) to bridge the gap between the CNS and the external environment. It encompasses nerves, ganglia, and sensory receptors.
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Updated: Dec 15, 2025

An Orthotopic Sciatic Nerve Xenograft for Neurofibromatosis Type 1 Neurofibromas
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An Orthotopic Sciatic Nerve Xenograft for Neurofibromatosis Type 1 Neurofibromas

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The Neurofibromatoses.

Said Farschtschi1, Victor-Felix Mautner1, Anna Cecilia Lawson McLean2

  • 1International Center for Neurofibromatoses (ICNF), Department of Neurology, University MedicalCenter Hamburg-Eppendorf

Deutsches Arzteblatt International
|July 14, 2020
PubMed
Summary
This summary is machine-generated.

Neurofibromatosis types 1 and 2 (NF1, NF2) and schwannomatosis are rare tumor-suppressor syndromes. Targeted treatments are emerging for these distinct neurofibromatosis spectrum diseases, improving patient care.

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Area of Science:

  • Oncology
  • Genetics
  • Neurology

Background:

  • Neurofibromatosis types 1 and 2 (NF1, NF2) and schwannomatosis constitute the neurofibromatosis spectrum.
  • These rare tumor-suppressor syndromes present a significant nervous system tumor burden.
  • Emerging symptomatic treatment approaches offer new hope for patients.

Purpose of the Study:

  • To review the pathogenesis, diagnosis, and treatment of neurofibromatoses.
  • To highlight the distinct clinical and pathophysiological features of NF1, NF2, and schwannomatosis.
  • To discuss recent advances in understanding neurofibromatosis tumor biology and treatment.

Main Methods:

  • Selective literature search on neurofibromatosis.
  • Review of articles on pathogenesis, diagnosis, and treatment.
  • Analysis of clinical and genetic data for NF1, NF2, and schwannomatosis.

Main Results:

  • NF1 and NF2 are monogenic, while schwannomatosis genetics are complex.
  • Distinct clinical presentations include café-au-lait spots (NF1), vestibular schwannomas (NF2), and spinal schwannomas/pain (schwannomatosis).
  • Targeted therapies like bevacizumab and MEK inhibitors show promise.

Conclusions:

  • Individualized care in specialized centers is crucial for neurofibromatosis patients.
  • Interdisciplinary consultation and novel pharmacotherapies are essential.
  • Advances in pathophysiology are driving the development of targeted treatments.