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The sympathetic pathways of the collateral ganglia and adrenal medulla serve unique but interconnected roles in the sympathetic response.
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Neurokinin 1 (NK1) receptors are distributed across the GI tract, vagal afferents, and key CNS regions including the central vomiting center and chemoreceptor trigger zone (CTZ) Chemotherapy agents stimulate enterochromaffin cells in the gastrointestinal (GI) tract to release large amounts of substance P (SP). SP is a neuropeptide released by specific sensory nerves in response to many different stressors, including those in the GI mucosa affected by chemotherapy.  SP binds and activates...
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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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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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Paraneoplastic neuropathies.

Jean-Christophe Antoine1, Jean-Philippe Camdessanché

  • 1Department of Neurology, University Hospital of Saint-Etienne, Saint-Etienne, France.

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Summary
This summary is machine-generated.

Defining paraneoplastic neuropathies aids early cancer diagnosis. Recent advances focus on specific antibody types and established treatments for certain conditions, though challenges remain for others.

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Area of Science:

  • Neurology
  • Oncology
  • Immunology

Background:

  • Paraneoplastic neuropathies are rare neurological disorders associated with cancer.
  • Accurate definition and classification are crucial for diagnosis and management.
  • Recent research highlights specific antibody targets and therapeutic strategies.

Purpose of the Study:

  • To review recent advances in paraneoplastic neuropathies.
  • To emphasize their definition, diverse clinical forms, and therapeutic developments.

Main Methods:

  • Literature review of recent advances in paraneoplastic neuropathies.
  • Analysis of diagnostic criteria and antibody associations.
  • Evaluation of current and emerging therapeutic approaches.

Main Results:

  • Strict definition of definite paraneoplastic neuropathies is essential.
  • Common associations include anti-Hu and anti-CV2/CRMP5 antibodies with carcinomas, and various monoclonal gammopathies with lymphomas.
  • Some neuropathies improve with tumor treatment, while others, like those with onconeural antibodies, face therapeutic development challenges.

Conclusions:

  • A precise definition of paraneoplastic neuropathies facilitates early tumor detection.
  • Established treatments exist for conditions like AL amyloidosis and POEMS syndrome.
  • Further research is needed for neuropathies associated with onconeural antibodies due to rarity and limited therapeutic windows.