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Part of the book series: Stem Cell Biology and Regenerative Medicine ((STEMCELL))

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Abstract

In all tissues of the body, epithelial stem cells play a critical role in directing tissue generation and organogenesis during development, in repair following injury, and in regeneration following tissue loss. In the highly branched and compartmentalized lung, homeostatic maintenance and responses to injury are driven by multiple, different, resident stem/progenitor cell populations. Consistent or repeated failure of lung stem/progenitor cell function in the absence of oncogenic mutation can result in lung epithelial injury and chronic lung disease, which carries high levels of morbidity and mortality worldwide. Lung stem/progenitor cell dysfunction due to oncogenic mutation drives the development of lung cancer, which poses a highly significant risk to human health and constitutes the most common form of cancer death worldwide. Cancer is identified by its cell of origin, namely the type of cell that incurred the first oncogenic mutation. Over the last two decades, multiple studies have postulated that stem cells themselves, or cells that have de-differentiated and acquired stem-like properties, may serve as the originating cancer cell. Like stem cells that drive development, tissue repair, and regeneration, cancer stem cells are characterized by properties of self-renewal and the ability to produce differentiated progeny. These characteristics are also hypothesized to underlie the role cancer stem cells play in the propagation and spread of the disease. Lung cancer stem cells are putatively derived from several possible cell sources, with evidence coming from pathological and genomic analyses of human tumors as well as molecular and cellular analyses of transgenic mouse models. The stem cell-like resistance to injury and proliferative potential of the stem cells of the distal lung, including airway club cells, bronchioalveolar stem cells and alveolar epithelial type 2 cells, make each of these distinct populations potential reservoirs for lung cancer stem cells.

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Abbreviations

AAH:

Atypical adenomatous hyperplasia’s

AEC1/1:

Alveolar epithelial cell 1/2

BASC:

Bronchioalveolar stem cell

CC10:

Clara cell 10 kDa

CCSP:

Clara cell secretory protein

COPD:

Chronic obstructive pulmonary disease

CSC:

Cancer stem cell

EGFR:

Epithelial growth factor receptor

Hh:

Hedgehog

IPF:

Idiopathic pulmonary hypertension

Krt:

Keratin

NE:

Neuroendocrine cell

NSCLC:

None small cell lung cancer

OB:

Obliterative bronchitis

SCGB1A1:

Secretoglobin family 1A member 1 protein

SCLC:

Small cell lung cancer

SFTPC:

Surfactant protein C

TTF-1:

Thyroid transcription factor 1 (aka NKx2.1)

Trp63:

Tumor repressor protein 63

WNT:

Wingless-related integration site

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Acknowledgment

This work was partially supported by NIH grant R01 HL 065352 to B.D., by a training grant from the California Institute of Regenerative Medicine and by an endowment from the Pasadena Guild.

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Correspondence to Barbara Driscoll Ph.D. .

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© 2015 Springer International Publishing Switzerland

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Hiatt, M., Garcia, O., Lundin, A., Driscoll, B. (2015). Bronchioalveolar Stem Cells in Cancer. In: Firth, A., Yuan, JJ. (eds) Lung Stem Cells in the Epithelium and Vasculature. Stem Cell Biology and Regenerative Medicine. Springer, Cham. https://doi.org/10.1007/978-3-319-16232-4_4

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