Idiopathic pulmonary fibrosis-an epidemiological and pathological review

Andrea T. Borchers, Christopher Chang, Carl L Keen, M. Eric Gershwin

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

Idiopathic pulmonary fibrosis (IPF) is an interstitial lung disease (ILD) affecting the pulmonary interstitium. Other forms of interstitial lung disease exist, and in some cases, an environmental etiology can be delineated. The diagnosis of IPF is typically established by high-resolution CT scan. IPF tends to have a worse prognosis than other forms of ILD. Familial cases of IPF also exist, suggesting a genetic predisposition; telomerase mutations have been observed to occur in familial IPF, which may also explain the increase in IPF with advancing age. Alveolar epithelial cells are believed to be the primary target of environmental agents that have been putatively associated with IPF. These agents may include toxins, viruses, or the autoantibodies found in collagen vascular diseases. The mechanism of disease is still unclear in IPF, but aberrations in fibroblast differentiation, activation, and proliferation may play a role. Epithelial-mesenchymal transition may also be an important factor in the pathogenesis, as it may lead to accumulation of fibroblasts in the lung and a disruption of normal tissue structure. Abnormalities in other components of the immune system, including T cells, B cells, and dendritic cells, as well as the development of ectopic lymphoid tissue, have also been observed to occur in IPF and may play a role in the stimulation of fibrosis that is a hallmark of the disease. It is becoming increasingly clear that the pathogenesis of IPF is indeed a complex and convoluted process that involves numerous cell types and humoral factors.

Original languageEnglish (US)
Pages (from-to)117-134
Number of pages18
JournalClinical Reviews in Allergy and Immunology
Volume40
Issue number2
DOIs
StatePublished - Apr 2011

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Idiopathic Pulmonary Fibrosis
Interstitial Lung Diseases
Fibroblasts
Alveolar Epithelial Cells
Collagen Diseases
Lung
Epithelial-Mesenchymal Transition
Telomerase
Genetic Predisposition to Disease
Vascular Diseases
Autoantibodies
Dendritic Cells
Immune System
Fibrosis
B-Lymphocytes
Viruses
T-Lymphocytes

Keywords

  • Idiopathic pulmonary fibrosis

ASJC Scopus subject areas

  • Immunology and Allergy

Cite this

Idiopathic pulmonary fibrosis-an epidemiological and pathological review. / Borchers, Andrea T.; Chang, Christopher; Keen, Carl L; Gershwin, M. Eric.

In: Clinical Reviews in Allergy and Immunology, Vol. 40, No. 2, 04.2011, p. 117-134.

Research output: Contribution to journalArticle

Borchers, Andrea T. ; Chang, Christopher ; Keen, Carl L ; Gershwin, M. Eric. / Idiopathic pulmonary fibrosis-an epidemiological and pathological review. In: Clinical Reviews in Allergy and Immunology. 2011 ; Vol. 40, No. 2. pp. 117-134.
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