Results 71 to 80 of about 2,492,980 (260)

The hepatitis B virus X protein activates nuclear factor of activated T cells (NF-AT) by a cyclosporin A-sensitive pathway. [PDF]

, 1998
The X gene product of the human hepatitis B virus (HBx) is a transcriptional activator of various viral and cellular genes. We recently have determined that the production of tumor necrosis factor-alpha (TNF-alpha) by HBV-infected hepatocytes is ...
Armesilla, Angel, Redondo, Juan Miguel, Lara-Pezzi, Enrique, Juan Miguel Redondo, López-Cabrera, Manuel, Pedro L. Majano, Armesilla, Angel L., Enrique Lara-Pezzi, Angel Luis Armesilla, Majano, Pedro L., Manuel López-Cabrera, Redondo, Juan M.   +11 more
core   +1 more source

Decoding the dynamic extracellular matrix in cancer—3D models and bioscaffolds rewire the rules of tumor progression

FEBS Letters, EarlyView.
Cancer progression is regulated by the dynamic matrix code of the tumor microenvironment, which influences cellular behavior and disease development. Importantly, matrix remodeling in three‐dimensional cancer models more accurately reflects in vivo conditions compared to conventional two‐dimensional systems.
Sylvia Mangani, Konstantinos Spanopoulos, Zoi Piperigkou, Nikos K. Karamanos   +3 more
wiley   +1 more source

Characterization of Schnurri : an integral component of the Dpp-signaling pathway in "Drosophila melanogaster" [PDF]

, 2004
Signaling by the transforming growth factor-β (TGF-β) family of ligands plays a crucial role during development and tissue homeostasis in all multicellular organisms. The signal transduction pathway is highly conserved and relatively simple.
Hartmann, Britta
core   +1 more source

GATA4 Forms a Positive Feedback Loop with CDX2 to Transactivate MUC2 in Bile Acids-Induced Gastric Intestinal Metaplasia

Gut and Liver
Background/Aims: Gastric intestinal metaplasia (GIM), a common precancerous lesion of gastric cancer, can be caused by bile acid reflux. GATA binding protein 4 (GATA4) is an intestinal transcription factor involved in the progression of gastric cancer ...
Xiaofang Yang, Ting Ye, Li Rong, Hong Peng, Jin Tong, Xiao Xiao, Xiaoqiang Wan, Jinjun Guo   +7 more
doaj   +1 more source

Investigating transcription factor dynamics in health and disease using FRAP

FEBS Letters, EarlyView.
FRAP analysis of GFP‐tagged transcription factors reveals how molecular mobility and target engagement change in response to drug treatment. By combining live‐cell imaging, quantitative model fitting, and statistical analysis, this approach uncovers transcription factor dynamics linked to disease mechanisms, providing a powerful framework for ...
Kannan Govindaraj, Carolina Vazquez Garzon, Jose Joaquin Velasco, Janine N. Post   +3 more
wiley   +1 more source

Microbiome‐blood–brain barrier interactions in aging — mechanisms and therapeutic potential

FEBS Letters, EarlyView.
Aging reshapes the gut microbiome (↓SCFA‐producing commensals; ↑pro‐inflammatory outputs), shifting circulating metabolites (↓SCFAs; ↑LPS, ↑TMAO, ↑PAA) that act at the BBB to increase nonspecific transcytosis, alter transport, and promote astrocyte reactivity, heightening brain vulnerability.
Daniel Cuervo‐Zanatta, Hari Baskar Balasubramanian, Amir Pasokh, Marietta Zille   +3 more
wiley   +1 more source

Real-time transcriptional profiling of cellular and viral gene expression during lytic cytomegalovirus infection. [PDF]

, 2012
During viral infections cellular gene expression is subject to rapid alterations induced by both viral and antiviral mechanisms. In this study, we applied metabolic labeling of newly transcribed RNA with 4-thiouridine (4sU-tagging) to dissect the real ...
Lisa Marcinowski, Martina Rieder, Caroline C. Friedel (7812728), Marcinowski, Lisa, Lars Dölken, de Graaf, Miranda, Thomas Bonfert, Caroline C. Friedel (29226), Lars Dölken (138985), Györy, Ildiko, Caroline C Friedel, Philip Rosenstiel (68103), Jens B Bosse, Ruzsics, Zsolt, Ralf Zimmer, Bosse, Jens B., Lukas Windhager, Rosenstiel, Philip, Zsolt Ruzsics (75383), Jens B. Bosse (7812725), Zimmer, Ralf, Thomas Bonfert (138970), Rieder, Martina, Lisa Marcinowski (138962), Jens B. Bosse (138966), Friedel, Caroline C., Ildiko Györy (138972), Michael Lidschreiber, Ildiko Györy, Bernd Rädle (138968), Zsolt Ruzsics, Ralf Zimmer (21157), Windhager, Lukas, Miranda de Graaf, Philip Rosenstiel, Michael Lidschreiber (138963), Dölken, Lars, Olivia Prazeres da Costa, Prazeres da Costa, Olivia, Olivia Prazeres da Costa (138979), Bernd Rädle, Lukas Windhager (138964), Lidschreiber, Michael, Miranda de Graaf (138976), Bonfert, Thomas, Rädle, Bernd, Martina Rieder (138965)   +46 more
core   +1 more source

An epithelial GPR35 isoform supports tumor‐associated transcriptional and metabolic phenotypes

FEBS Letters, EarlyView.
GPR35 generates two functionally distinct isoforms with previously unresolved roles. GPR35‐short mediates immune‐cell chemotaxis, while GPR35‐long is enriched in colorectal cancer epithelium, where it supports increased metabolism, proliferation, and tumor‐associated transcriptional programs.
Jørgen D. Rønneberg, Martine Hjeltnes, Josephine Krieger, Joshua E. Elias, Maria Stensland, Kristian Holm, Xiaojun Jiang, Chuki Khangsar, Tuula A. Nyman, Arthur Kaser, Johannes R. Hov, Tom H. Karlsen, Nicole C. Kaneider, Frode L. Jahnsen, Georg Schneditz   +14 more
wiley   +1 more source

Estrogen-related receptor α (ERRα) : a novel target in type 2 diabetes [PDF]

, 2005
Recent studies have shown that reduced mitochondrial content and function in skeletal muscle are common features of type 2 diabetes. Here, we review the molecular mechanisms involved in the regulation of mitochondrial genes in skeletal muscle, focusing ...
Handschin, C., Mootha, V. K.
core   +1 more source

Positive Autoregulation of an Acyl-Homoserine Lactone Quorum-Sensing Circuit Synchronizes the Population Response

mBio, 2017
Many proteobacteria utilize acyl-homoserine lactone quorum-sensing signals. At low population densities, cells produce a basal level of signal, and when sufficient signal has accumulated in the surrounding environment, it binds to its receptor, and ...
Rebecca L. Scholz, E. Peter Greenberg
doaj   +1 more source