Biochimica et Biophysica Acta: Bioenergetics
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#1Marvin V. Dilworth ('KCL': King's College London)
#2Heather E. Findlay ('KCL': King's College London)H-Index: 10
Last. Paula J. Booth ('KCL': King's College London)H-Index: 39
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Abstract Structure and function analysis of human membrane proteins in lipid bilayer environments is acutely lacking despite the fundame1ntal cellular importance of these proteins and their dominance of drug targets. An underlying reason is that detailed study usually requires a potentially destabilising detergent purification of the proteins from their host membranes prior to subsequent reconstitution in a membrane mimic; a situation that is exacerbated for human membrane proteins due to the in...
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#1Joeri van Strien (Radboud University Nijmegen)H-Index: 2
Last. Huynen
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#1Aurore Claude-Taupin (University of Paris)H-Index: 7
#1Aurore Claude-Taupin (University of Paris)
Last. Etienne Morel (University of Paris)H-Index: 26
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Abstract Phosphoinositides are key lipids in eukaryotes, regulating organelles’ identity and function. Their synthesis and turnover require specific phosphorylation/dephosphorylation events that are ensured by dedicated lipid kinases and phosphatases, which modulate the structure of the inositol ring by adding or removing phosphates on positions 3, 4 or 5. Beside their implication in intracellular signalization and cytoskeleton dynamics, phosphoinositides are essential for vesicular transport al...
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#1Wenjun Jiang (SJTU: Shanghai Jiao Tong University)
#2Nan Jia (Nagoya University)H-Index: 5
Last. Huiwen Zhang (SJTU: Shanghai Jiao Tong University)
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Abstract TOP3A promotes processing of double Holliday junction dissolution and also plays an important role in decatenation and segregation of human mtDNA. Recently, TOP3A mutations have been reported to cause Bloom syndrome-like disorder. However, whether the two function play equal roles in the disease pathogenesis is unclear. We retrospectively studied the disease progression of two siblings with Bloom-like syndrome caused by two novel mutations of TOP3A, p.Q788* and p.D479G. Beside the commo...
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#1Carlos Cantonero (University of Extremadura)H-Index: 6
#2Pedro J. Camello (University of Extremadura)H-Index: 24
Last. Pedro C. Redondo (University of Extremadura)H-Index: 26
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Abstract The expression of TMEM97, a regulator of cholesterol transport, has been reported to be enhanced in some tumour cells. We have recently shown that TMEM97 is involved in the proliferation of the breast cancer cell line MDA-MB-231, probably through changes in store-operated calcium entry (SOCE). By using silencing and overexpression of TMEM97 in MDA-MB-231 cells (two manoeuvres that either reduce or increase the calcium influx, respectively), we show enhanced cholesterol uptake in these c...
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#1Alejandro Barriga (Complutense University of Madrid)
#2Michelle Morán-Lalangui (Complutense University of Madrid)
Last. Begoña Garcia-Alvarez (Complutense University of Madrid)H-Index: 6
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Surfactant protein C (SP-C) is a protein present in the pulmonary surfactant system that is involved in the biophysical properties of this lipoprotein complex, but it also has a role in lung defense and homeostasis. In this article, we propose that the link between both functions could rely on the ability of SP-C to induce fragmentation of phospholipid membranes and generate small vesicles that serve as support to present different ligands to cells in the lungs. Our results using biomolecular fl...
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Abstract Frontotemporal Lobar Degeneration (FTD) is a neurodegenerative disease characterized by a progressive deterioration of cognitive functions. Currently, no effective treatment exists. We have studied cytotoxicity and neuronal functionality in cortical and spinal cord cultures upon exposure to cerebrospinal fluid (CSF) from 39 FTD patients. FTD-CSF alters the miniature excitatory postsynaptic currents in the cortical cultures and it is toxic to spinal cord cultures, particularly to GABAerg...
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Abstract Background Pancreatic carcinoma is one of the deadliest malignant diseases, in which the increased expression of α1,6-fucosyltransferase (FUT8), a sole enzyme responsible for catalyzing core fucosylation, has been reported. However, its pathological roles and regulatory mechanisms remain largely unknown. Here, we use two pancreatic adenocarcinoma cell lines, MIA PaCa-2 and PANC-1 cells, as cell models, to explore the relationship of FUT8 with the malignant transformation of PDAC. Method...
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#1Nitu Kumari (IISc: Indian Institute of Science)H-Index: 2
#2Sathees C. Raghavan (IISc: Indian Institute of Science)H-Index: 34
Abstract Background DNA, the genetic material of most of the organisms, is the crucial element of life. Integrity of DNA needs to be maintained for transmission of genetic material from one generation to another. All organisms are constantly challenged by the environmental conditions which can lead to the induction of DNA damage. Ionizing radiation (IR) has been known to induce DNA damage and IR sensitivity varies among different organisms. The causes for differential radiosensitivity among vari...
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#1Anna-Karin Johnsson (KI: Karolinska Institutet)H-Index: 1
#2Elin Rönnberg (Karolinska University Hospital)H-Index: 4
Last. Sven-Erik Dahlén (KI: Karolinska Institutet)H-Index: 57
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Abstract 15-hydroxyeicosatetraenoic acid (15-HETE) is an arachidonic acid derived lipid mediator which can originate both from 15-lipoxygenase (15-LOX) activity and cyclooxygenase (COX) activity. The enzymatic source determines the enantiomeric profile of the 15-HETE formed. 15-HETE is the most abundant arachidonic acid metabolite in the human lung and has been suggested to influence the pathophysiology of asthma. Mast cells are central effectors in asthma, but there are contradictory reports on...
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