The neurological significance of abnormal natural killer cell activity in chronic toxigenic mold exposures.

Ebere Anyanwu, Andrew W. Campbell, Joseph Jones, John E Ehiri, Akpan I. Akpan

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Toxigenic mold activities produce metabolites that are either broad-spectrum antibiotics or mycotoxins that are cytotoxic. Indoor environmental exposure to these toxigenic molds leads to adverse health conditions with the main outcome measure of frequent neuroimmunologic and behavioral consequences. One of the immune system disorders found in patients presenting with toxigenic mold exposure is an abnormal natural killer cell activity. This paper presents an overview of the neurological significance of abnormal natural killer cell (NKC) activity in chronic toxigenic mold exposure. A comprehensive review of the literature was carried out to evaluate and assess the conditions under which the immune system could be dysfunctionally interfered with leading to abnormal NKC activity and the involvement of mycotoxins in these processes. The functions, mechanism, the factors that influence NKC activities, and the roles of mycotoxins in NKCs were cited wherever necessary. The major presentations are headache, general debilitating pains, nose bleeding, fevers with body temperatures up to 40 degrees C (104 degrees F), cough, memory loss, depression, mood swings, sleep disturbances, anxiety, chronic fatigue, vertigo/dizziness, and in some cases, seizures. Although sleep is commonly considered a restorative process that is important for the proper functioning of the immune system, it could be disturbed by mycotoxins. Most likely, mycotoxins exert some rigorous effects on the circadian rhythmic processes resulting in sleep deprivation to which an acute and transient increase in NKC activity is observed. Depression, psychological stress, tissue injuries, malignancies, carcinogenesis, chronic fatigue syndrome, and experimental allergic encephalomyelitis could be induced at very low physiological concentrations by mycotoxin-induced NKC activity. In the light of this review, it is concluded that chronic exposures to toxigenic mold could lead to abnormal NKC activity with a wide range of neurological consequences, some of which were headache, general debilitating pains, fever, cough, memory loss, depression, mood swings, sleep disturbances, anxiety, chronic fatigue, and seizures.

Original languageEnglish (US)
Pages (from-to)1128-1137
Number of pages10
JournalTheScientificWorldJournal [electronic resource]
Volume3
StatePublished - Nov 13 2003
Externally publishedYes

Fingerprint

Mycotoxins
Fungi
Natural Killer Cells
immune system
fatigue
sleep
Immune system
Immune System
Fatigue of materials
Sleep
Memory Disorders
Depression
Cough
body temperature
Fatigue
Headache
antibiotics
Seizures
Fever
Anxiety

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Environmental Science(all)
  • Medicine(all)

Cite this

The neurological significance of abnormal natural killer cell activity in chronic toxigenic mold exposures. / Anyanwu, Ebere; Campbell, Andrew W.; Jones, Joseph; Ehiri, John E; Akpan, Akpan I.

In: TheScientificWorldJournal [electronic resource], Vol. 3, 13.11.2003, p. 1128-1137.

Research output: Contribution to journalArticle

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