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NF-κB-dependent Signaling Pathway02:26

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The transcription factor NF-κB was discovered in 1986 in the lab of Nobel laureate Professor David Baltimore, for its interaction with the immunoglobulin light chain enhancer in B-cells. After more than three decades of study, it is now evident that NF-κB regulates the expression of over 100 genes. Most of these genes play an essential role in the innate and adaptive immune responses as well as the inflammatory responses of animals.
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Related Experiment Video

Updated: Oct 18, 2025

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Novel germinal mutation in NF1: case report.

Javier Arredondo Montero1, Santiago López Arbues2, Mónica Bronte Anaut3

  • 1Pediatric Surgery Department, Complejo Hospitalario de Navarra, Calle Irunlarrea 3, 31008, Pamplona, Navarra, Spain. Javier.montero.arredondo@gmail.com.

Molecular Biology Reports
|October 1, 2021
PubMed
Summary

A novel mutation in the NF1 gene was identified in a pediatric patient with Neurofibromatosis 1. This discovery enhances our understanding of NF1 genetics and aids in improved diagnosis.

Keywords:
GerminalMutationNeurofibromatosis 1Novel

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Area of Science:

  • Genetics
  • Oncology

Background:

  • Neurofibromatosis 1 (NF1) is a systemic disorder affecting multiple organs, primarily the nervous system and skin.
  • The NF1 gene, located on chromosome 17q11.2, encodes the tumor suppressor protein neurofibromin.

Observation:

  • A 10-year-old patient presented with clinical signs of NF1, including café-au-lait spots and axillary freckling.
  • Neuroimaging revealed stable myelin vacuolization in specific brain regions.

Findings:

  • A previously undescribed mutation, c.6255delG (pMet2085IlefsTer2), was detected in exon 42 of the NF1 gene.
  • No family history of NF1 was reported in this patient.

Implications:

  • This novel mutation expands the known spectrum of genetic alterations in NF1.
  • Understanding new mutations is crucial for advancing genetic diagnosis and the study of NF1 pathophysiology.