Results 41 to 50 of about 446,328 (302)

Calpain small subunit homodimerization is robust and calcium‐independent

FEBS Letters, EarlyView.
Calpains dimerize via penta‐EF‐hand (PEF) domains. Using single‐molecule force spectroscopy, we measured the strength and kinetics of PEF–PEF homodimer binding. The interaction is robust, shows a transient conformational step before dissociation, and remains largely insensitive to Ca2+.
Nesha May O. Andoy, Trina Dykstra‐MacPherson, Mathias A. Bell, Peter L. Davies, Ruby May A. Sullan   +4 more
wiley   +1 more source

Trim17, novel E3 ubiquitin-ligase, initiates neuronal apoptosis

, 2010
Accumulating data indicate that the ubiquitin-proteasome system controls apoptosis by regulating the level and the function of key regulatory proteins. In this study, we identified Trim17, a member of the TRIM/RBCC protein family, as one of the critical ...
Rahmeh, R, Magiera, M, Ham, Jonathan, M Kristiansen, Kristiansen, Mark, Ham, J, Desagher, Solange, Lipkin, A, Desagher, S., Rahmeh, Rita, Mora, Stéphan, M M Magiera, Vanhille, Laurent, Pettmann, B, Lipkin, Alexey, Mora, S, Lipkin, A., Kristiansen, M, Robbins, Ian, S Mora, Ham, J., R Rahmeh, Rahmeh, R., A Lipkin, Pettmann, Brigitte, Robbins, I., Mora, S., Lassot, I., Desagher, S, Lassot, I, Magiera, Maria Magdalena, Magiera, M. M., L Vanhille, Jaudon, F, I Lassot, Vanhille, L., Jaudon, F., S Desagher, Jaudon, Fanny, Lassot, Irina, Kristiansen, M., F Jaudon, Pettmann, B., Vanhille, L, Robbins, I, J Ham, I Robbins, B Pettmann   +47 more
core   +1 more source

Hyperosmotic stress induces PARP1‐mediated HPF1‐dependent mono(ADP‐ribosyl)ation

FEBS Letters, EarlyView.
Sorbitol‐induced hyperosmotic stress rapidly induces reversible mono(ADP‐ribosyl)ation (MARylation) on PARP1 without the signs of genotoxic signaling. We show that PARP1 autoMARylation is HPF1 dependent and forms hydroxylamine‐resistant O‐glycosidic linkages.
Anna Georgina Kopasz, Mihály Mérey, Rebeka Vásárhelyi, Ramóna Pék, Victor Imburchia, László Henn, Adrián Kószó, Nicholas D. Lakin, Ivan Ahel, Sébastien Huet, Ágnes Czibula, Gyula Timinszky   +11 more
wiley   +1 more source

SPINK13 acts as a tumor suppressor in hepatocellular carcinoma by inhibiting Akt phosphorylation

Cell Death and Disease
The PI3K/Akt pathway is overexpressed in nearly 50% of hepatocellular carcinomas and inhibits apoptosis by promoting the expression of antiapoptotic genes. Serine protease inhibitors have been shown to induce apoptosis in hepatoma cells by downregulating
Yongzhi Lun, Jie Sun, Ling Wei, Ben Liu, Zhixue Li, Wen Dong, Wenqi Zhao   +6 more
doaj   +1 more source

Macrophage signaling in HIV-1 infection

Retrovirology, 2010
The human immunodeficiency virus-1 (HIV-1) is a member of the lentivirus genus. The virus does not rely exclusively on the host cell machinery, but also on viral proteins that act as molecular switches during the viral life cycle which play significant ...
Abbas Wasim, Khan Kashif, Gras Gabriel, Herbein Georges   +3 more
doaj   +1 more source

Expression of survivin, a novel inhibitor of apoptosis and cell cycle regulatory protein, in pancreatic adenocarcinoma [PDF]

British Journal of Cancer, 2002
Survivin is unique for its expression in human malignancies but not in normal adult cells. It has been implicated in sensitisation to chemotherapy and as a prognostic marker in several common cancers. Immunohistochemistry for Survivin, P53 and BCL-2 expression as well as cell proliferative index (Ki-67) and apoptosis index (TUNEL) was conducted on 52 ...
Sarela, A I, Verbeke, C S, Ramsdale, J, Davies, C L, Markham, A F, Guillou, P J   +5 more
openaire   +2 more sources

An isoform of 14‐3‐3 protein regulates transbilayer lipid movement at the plasma membrane

FEBS Letters, EarlyView.
Loss of 14‐3‐3ζ in CHO cells confers resistance to exogenous phosphatidylserine (PS) and impairs endocytosis‐independent inward flip‐flop of fluorescent PS at the plasma membrane. RNAi‐mediated knockdown reproduces this defect, while no additive effect is seen in ATP11C‐deficient cells.
Akiko Yamaji‐Hasegawa, Akira Hattori, Masafumi Tsujimoto, Toshihide Kobayashi   +3 more
wiley   +1 more source

Effects of L-Leu-L-Leu peptide on growth, proliferation, and apoptosis in broiler intestinal epithelial cells

Poultry Science
: Small peptides are nutrients and bioactive molecules that have dual regulatory effects on nutrition and physiology. They are of great significance for maintaining the intestinal health and production performance of broilers.
Jing Liang, Baolong Du, Minyan Wan, Likun Sun, Shizhen Qin, Fang Nian, Defu Tang   +6 more
doaj   +1 more source

Organizing the interface—Plasma membrane architecture and receptor dynamics in virus‐cell interactions

FEBS Letters, EarlyView.
Plasma membranes contain dynamic nanoscale domains that organize lipids and receptors. Because viruses operate at similar scales, this architecture shapes early infection steps, including attachment, receptor engagement, and entry. Using influenza A virus and HIV‐1 as examples, we highlight how receptor nanoclusters, multivalent glycan interactions ...
Jan Schlegel, Christian Sieben
wiley   +1 more source

Resveratrol-induced cell death in leukaemia cells: The effect of Hsp72 expression and combination treatments with TRAIL and ethanol [PDF]

, 2009
Resveratrol, a natural phytoalexin found in grapes and red wine, displays anti-cancer activities through a variety of mechanisms that include the induction of cancer cell apoptosis.
Weaver, Annette S.
core