Open Biology

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The ANGPTL3-4-8 model, a molecular mechanism for triglyceride trafficking
Open Biology - Tập 6 Số 4 - Trang 150272 - 2016
Ren Zhang
Lipoprotein lipase (LPL) is a rate-limiting enzyme for hydrolysing circulating triglycerides (TG) into free fatty acids that are taken up by peripheral tissues. Postprandial LPL activity rises in white adipose tissue (WAT), but declines in the heart and skeletal muscle, thereby directing circulating TG to WAT for storage; the reverse is true during fasting. However, the mechanism for the t...... hiện toàn bộ
Hypoxia-induced invadopodia formation: a role for β-PIX
Open Biology - Tập 3 Số 6 - Trang 120159 - 2013
Nur Fariesha Md Hashim, Nicole S. Nicholas, Anna Dart, Serafim Kiriakidis, Ewa Paleolog, Claire M. Wells
During tumour progression, oxygen tension in the microenvironment surrounding tumour cells is reduced, resulting in hypoxia. It is well established that cancer cells resist the negative effects of hypoxia by inducing angiogenesis predominantly via the activity of transcription factor hypoxia-inducible factor-1 (HIF-1). However, more recently HIF-1α has also been linked to increased invasiv...... hiện toàn bộ
Cancer drug pan-resistance: pumps, cancer stem cells, quiescence, epithelial to mesenchymal transition, blocked cell death pathways, persisters or what?
Open Biology - Tập 2 Số 5 - Trang 120066 - 2012
Piet Borst
Although chemotherapy of tumours has scored successes, drug resistance remains the major cause of death of cancer patients. Initial treatment often leaves residual disease, from which the tumour regrows. Eventually, most tumours become resistant to all available chemotherapy. I call this pan-resistance to distinguish it from multi-drug resistance, usually describing resistance caused by up...... hiện toàn bộ
Cellular responses to a prolonged delay in mitosis are determined by a DNA damage response controlled by Bcl-2 family proteins
Open Biology - Tập 5 Số 3 - Trang 140156 - 2015
Didier Colin, Karolina Hain, Lindsey Allan, Paul R. Clarke
Anti-cancer drugs that disrupt mitosis inhibit cell proliferation and induce apoptosis, although the mechanisms of these responses are poorly understood. Here, we characterize a mitotic stress response that determines cell fate in response to microtubule poisons. We show that mitotic arrest induced by these drugs produces a temporally controlled DNA damage response (DDR) chara...... hiện toàn bộ
Evolutionary origins of taste buds: phylogenetic analysis of purinergic neurotransmission in epithelial chemosensors
Open Biology - Tập 3 Số 3 - Trang 130015 - 2013
Masato Kirino, Jason Parnes, Anne Hansen, Sadao Kiyohara, Thomas E. Finger
Taste buds are gustatory endorgans which use an uncommon purinergic signalling system to transmit information to afferent gustatory nerve fibres. In mammals, ATP is a crucial neurotransmitter released by the taste cells to activate the afferent nerve fibres. Taste buds in mammals display a characteristic, highly specific ecto-ATPase (NTPDase2) activity, suggesting a role in inactivation of...... hiện toàn bộ
RETRACTED: Long non-coding RNA LINC00152 promotes gallbladder cancer metastasis and epithelial–mesenchymal transition by regulating HIF-1α via miR-138
Open Biology - Tập 7 Số 1 - 2017
Qiang Cai, Zhenqiang Wang, Shouhua Wang, Mingzhe Weng, Di Zhou, Chen Li, Jiandong Wang, Erzhen Chen, Zhiwei Quan
Long non-coding RNA LINC00152 had been reported as an oncogene in gastric and hepatocellular cancer. In this study, we show that LINC00152 is overexpressed in gallbladder cancer (GBC) tissue samples and cell lines. The high LINC00152 levels correlated negatively with the overall survival time in GBC patients. Functionally, LINC00152 dramatically promoted cell migration, invasi...... hiện toàn bộ
Heterotrimeric G protein signalling in the plant kingdom
Open Biology - Tập 3 Số 3 - Trang 120186 - 2013
Daisuke Urano, Jin‐Gui Chen, José Ramón Botella, Alan M. Jones
In animals, heterotrimeric G proteins, comprising α-, β-and γ-subunits, perceive extracellular stimuli through cell surface receptors, and transmit signals to ion channels, enzymes and other effector proteins to affect numerous cellular behaviours. In plants, G proteins have structural similarities to the corresponding molecules in animals but transmit signals by atypical mech...... hiện toàn bộ
Targeting BCL-2 regulated apoptosis in cancer
Open Biology - Tập 8 Số 5 - Trang 180002 - 2018
Kirsteen J. Campbell, Stephen W. G. Tait
The ability of a cell to undergo mitochondrial apoptosis is governed by pro- and anti-apoptotic members of the BCL-2 protein family. The equilibrium of pro- versus anti-apoptotic BCL-2 proteins ensures appropriate regulation of programmed cell death during development and maintains organismal health. When unbalanced, the BCL-2 family can act as a barrier to apoptosis and facilitate tumour ...... hiện toàn bộ
A toolkit enabling efficient, scalable and reproducible gene tagging in trypanosomatids
Open Biology - Tập 5 Số 1 - Trang 140197 - 2015
Samuel Dean, Jack Daniel Sunter, Richard John Wheeler, Ian Hodkinson, Eva Gluenz, Keith Gull
One of the first steps in understanding a protein's function is to determine its localization; however, the methods for localizing proteins in some systems have not kept pace with the developments in other fields, creating a bottleneck in the analysis of the large datasets that are generated in the post-genomic era. To address this, we developed tools for tagging proteins in t...... hiện toàn bộ
Anion homeostasis is important for non-lytic release of BK polyomavirus from infected cells
Open Biology - Tập 5 Số 8 - Trang 150041 - 2015
Gareth L. Evans, Laura Caller, Victoria Foster, Colin M. Crump
BK polyomavirus (BKPyV) is a member of a family of potentially oncogenic viruses, whose reactivation can cause severe pathological conditions in transplant patients, leading to graft rejection. As with many non-enveloped viruses, it is assumed that virus release occurs through lysis of the host cell. We now show the first evidence for a non-lytic release pathway for BKPyV and that this pat...... hiện toàn bộ
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