Human Kidney Spheroids and Monolayers Provide Insights into SARS-CoV-2 Renal Interactions

Using ex vivo cell models, investigators analyzed SARS-Cov2 interactions with kidney tubular cells and assessed direct tubular injury. These models comprised primary human kidney epithelial cells and more quiescent three-dimensional kidney spheroids.
[Clinical Journal of the American Society of Nephrology]
Omer, D., Pleniceanu, O., Gnatek, Y., Namestnikov, M., Cohen-Zontag, O., Goldberg, S., Friedman, Y. E., Friedman, N., Mandelboim, M., Vitner, E., Achdout, H., Avraham, R., Zahavy, E., Israely, T., Mayan, H., & Dekel, B. (2021). Human Kidney Spheroids and Monolayers Provide Insights into SARS-CoV-2 Renal Interactions. Journal of the American Society of Nephrology. https://doi.org/10.1681/ASN.2020111546 Cite
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HDAC4 Induces the Development of Asthma by Increasing Slug-Upregulated CXCL12 Expression through KLF5 Deacetylation

Researchers used asthma model bronchial smooth muscle cells to measure the biological behaviors of Histone deacetylase 4 (HDAC4)-mediated Kruppel-like factor 5 (KLF5)/Slug/CXC chemokine ligand-12 (CXCL12) axis on the development of asthma in regulation of airway inflammation and remodeling.
[Journal of Translational Medicine]
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Neutrophil Extracellular Traps Impair Intestinal Barrier Functions in Sepsis by Regulating TLR9-Mediated Endoplasmic Reticulum Stress Pathway

Neutrophil extracellular traps treatment induced intestinal epithelial monolayer barrier disruption and endoplasmic reticulum (ER) stress activation in a dose-dependent manner in vitro, and ER stress inhibition markedly attenuated intestinal apoptosis and tight junction injury.
[Cell Death & Disease]
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Generation of Functional Liver Organoids on Combining Hepatocytes and Cholangiocytes with Hepatobiliary Connections Ex Vivo

Scientists reported the generation of a hepatobiliary tubular organoid using mouse hepatocyte progenitors and cholangiocytes.
[Nature Communications]
Tanimizu, N., Ichinohe, N., Sasaki, Y., Itoh, T., Sudo, R., Yamaguchi, T., Katsuda, T., Ninomiya, T., Tokino, T., Ochiya, T., Miyajima, A., & Mitaka, T. (2021). Generation of functional liver organoids on combining hepatocytes and cholangiocytes with hepatobiliary connections ex vivo. Nature Communications, 12(1), 3390. https://doi.org/10.1038/s41467-021-23575-1 Cite
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D-Dopachrome Tautomerase Contributes to Lung Epithelial Repair via Atypical Chemokine Receptor 3-Dependent Akt Signaling

Investigators studied effects of recombinant D-dopachrome tautomerase (DDT) on cell proliferation and survival by clonogenic assay and annexin V-PI staining respectively. DDT-induced signaling was investigated by Western blot.
[Ebiomedicine]
Song, S., Liu, B., Habibie, H., Bor, J. van den, Smit, M. J., Gosens, R., Wu, X., Brandsma, C.-A., Cool, R. H., Haisma, H. J., Poelarends, G. J., & Melgert, B. N. (2021). D-dopachrome tautomerase contributes to lung epithelial repair via atypical chemokine receptor 3-dependent Akt signaling. EBioMedicine, 68. https://doi.org/10.1016/j.ebiom.2021.103412 Cite
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Inhibition of miR-1298-5p Attenuates Sepsis Lung Injury by Targeting SOCS6

miR-1298-5p and suppressor of cytokine signaling 6 (SOCS6) were silenced or overexpressed in human bronchial epithelial cells. PKH-67 Dye was used to trace exosome endocytosis.
[Molecular and Cellular Biochemistry]
Ma, J., Xu, L.-Y., Sun, Q.-H., Wan, X.-Y., & BingLi. (2021). Inhibition of miR-1298-5p attenuates sepsis lung injury by targeting SOCS6. Molecular and Cellular Biochemistry. https://doi.org/10.1007/s11010-021-04170-w Cite
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miR-802 Regulates Paneth Cell Function and Enterocyte Differentiation in the Mouse Small Intestine

Investigators showed that the intestine-enriched miR-802 was a central regulator of intestinal epithelial cell proliferation, Paneth cell function, and enterocyte differentiation.
[Nature Communications]
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Genetic and Commensal Induction of IL-18 Drive Intestinal Epithelial MHCII via IFNγ

Scientists linked intestinal dysbiosis, systemic inflammation, and inflammasome activity to intestinal epithelial cells major histocompatibility complex class II upregulation via an intestinal serum Interleukin-18-interferon gamma axis.
[Mucosal Immunology]
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The Role of Polyamines in Gastric Cancer

Investigators summarize the existing research on polyamine metabolism and function, specifically the role of polyamines in gastric immune cell and epithelial cell function.
[Oncogene]
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Mammary Gland 3D Cell Culture Systems in Farm Animals

Investigators discuss 3D cell culture systems as mammosphere organoids and their relevance for agronomic research.
[Veterinary Research]
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Mesenchymal Growth Hormone Receptor Deficiency Leads to Failure of Alveolar Progenitor Cell Function and Severe Pulmonary Fibrosis

The authors identified growth hormone receptor is mainly expressed in mesenchymal cells, and its expression is substantially decreased in idiopathic pulmonary fibrosis lungs.
[Science Advances]
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