Thoughts on the alveolar phase of COVID-19

RJ Mason - American Journal of Physiology-Lung Cellular …, 2020 - journals.physiology.org
COVID-19 can be divided into three clinical stages, and one can speculate that these stages
correlate with where the infection resides. For the asymptomatic phase, the infection mostly …

Mechanisms of ATII-to-ATI cell differentiation during lung regeneration

M Aspal, RL Zemans - International journal of molecular sciences, 2020 - mdpi.com
The alveolar epithelium consists of (ATI) and type II (ATII) cells. ATI cells cover the majority of
the alveolar surface due to their thin, elongated shape and are largely responsible for barrier …

Alveolar regeneration through a Krt8+ transitional stem cell state that persists in human lung fibrosis

M Strunz, LM Simon, M Ansari, JJ Kathiriya… - Nature …, 2020 - nature.com
The cell type specific sequences of transcriptional programs during lung regeneration have
remained elusive. Using time-series single cell RNA-seq of the bleomycin lung injury model …

Regulation of epithelial transitional states in murine and human pulmonary fibrosis

F Wang, C Ting, KA Riemondy… - The Journal of …, 2023 - Am Soc Clin Investig
Idiopathic pulmonary fibrosis (IPF) is a progressive scarring disease arising from impaired
regeneration of the alveolar epithelium after injury. During regeneration, type 2 alveolar …

Persistence of a regeneration-associated, transitional alveolar epithelial cell state in pulmonary fibrosis

Y Kobayashi, A Tata, A Konkimalla, H Katsura… - Nature cell …, 2020 - nature.com
Stem cells undergo dynamic changes in response to injury to regenerate lost cells.
However, the identity of transitional states and the mechanisms that drive their trajectories …

Age-dependent alveolar epithelial plasticity orchestrates lung homeostasis and regeneration

IJ Penkala, DC Liberti, J Pankin, A Sivakumar… - Cell Stem Cell, 2021 - cell.com
Regeneration of the architecturally complex alveolar niche of the lung requires precise
temporal and spatial control of epithelial cell behavior. Injury can lead to a permanent …

Enhanced glycolysis-mediated energy production in alveolar stem cells is required for alveolar regeneration

Z Wang, D Wei, E Bin, J Li, K Jiang, T Lv, X Mao… - Cell Stem Cell, 2023 - cell.com
Impaired differentiation of alveolar stem cells has been identified in a variety of acute and
chronic lung diseases. In this study, we investigate the mechanisms that modulate alveolar …

[HTML][HTML] Inflammatory signals induce AT2 cell-derived damage-associated transient progenitors that mediate alveolar regeneration

J Choi, JE Park, G Tsagkogeorga, M Yanagita, BK Koo… - Cell stem cell, 2020 - cell.com
Tissue regeneration is a multi-step process mediated by diverse cellular hierarchies and
states that are also implicated in tissue dysfunction and pathogenesis. Here we leveraged …

STAT3–BDNF–TrkB signalling promotes alveolar epithelial regeneration after lung injury

AJ Paris, KE Hayer, JH Oved, DC Avgousti… - Nature Cell …, 2020 - nature.com
Alveolar epithelial regeneration is essential for recovery from devastating lung diseases.
This process occurs when type II alveolar pneumocytes (AT2 cells) proliferate and …

[HTML][HTML] Targeted alveolar regeneration with Frizzled-specific agonists

AN Nabhan, JD Webster, JJ Adams, L Blazer… - Cell, 2023 - cell.com
Summary Wnt ligands oligomerize Frizzled (Fzd) and Lrp5/6 receptors to control the
specification and activity of stem cells in many species. How Wnt signaling is selectively …