Biochemical Journal
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#1X. Edward Zhou (Van Andel Institute)H-Index: 32
#2Kelly Suino-Powell (Van Andel Institute)H-Index: 26
Last. Karsten Melcher (Van Andel Institute)H-Index: 46
view all 10 authors...
Ornithine decarboxylase (ODC) is the rate-limiting enzyme for the synthesis of polyamines (PAs). PAs are oncometabolites that are required for proliferation, and pharmaceutical ODC inhibition is pursued for the treatment of hyperproliferative diseases, including cancer and infectious diseases. The most potent ODC inhibitor is 1-amino-oxy-3-aminopropane (APA). A previous crystal structure of an ODC-APA complex indicated that APA non-covalently binds ODC and its cofactor pyridoxal 5-phosphate (PLP...
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#1Helen A. Brown (Dund.: University of Dundee)
#2Charles A.C. Williams (Dund.: University of Dundee)H-Index: 5
Last. Greg M. Findlay (Dund.: University of Dundee)H-Index: 13
view all 15 authors...
The ERK5 MAP kinase signalling pathway drives transcription of naive pluripotency genes in mouse Embryonic Stem Cells (mESCs). However, how ERK5 impacts on other aspects of mESC biology has not been investigated. Here, we employ quantitative proteomic profiling to identify proteins whose expression is regulated by the ERK5 pathway in mESCs. This reveals a function for ERK5 signalling in regulating dynamically expressed early embryonic 2-cell stage (2C) genes including the mESC rejuvenation facto...
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#1Brian Suárez Mantilla (USP: University of São Paulo)H-Index: 8
#2Lisvane Paes-Vieira (USP: University of São Paulo)
Last. Ariel Mariano Silber (USP: University of São Paulo)H-Index: 27
view all 9 authors...
The pathogenic protist Trypanosoma cruzi uses kissing bugs as invertebrate hosts that vectorize the infection among mammals. This parasite oxidizes proline to glutamate through two enzymatic steps and one nonenzymatic step. In insect vectors, T. cruzi differentiates from a noninfective replicating form to nonproliferative infective forms. Proline sustains this differentiation, but to date, a link between proline metabolism and differentiation has not been established. In T. cruzi, the enzymatic ...
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#1Sheng-Ju Chuang (UCL: Université catholique de Louvain)H-Index: 4
#2Manuel Johanns (UCL: Université catholique de Louvain)H-Index: 6
Last. Mark H. Rider (UCL: Université catholique de Louvain)H-Index: 53
view all 7 authors...
The effects of small-molecule AMP-activated protein kinase (AMPK) activators in rat epididymal adipocytes were compared. SC4 was the most effective and submaximal doses of SC4 and 5-amino-4-imidazolecarboxamide (AICA) riboside were combined to study the effects of AMPK activation in white adipose tissue (WAT). Incubation of rat adipocytes with SC4 + AICA riboside inhibited noradrenaline-induced lipolysis and decreased hormone-sensitive lipase (HSL) Ser563 phosphorylation, without affecting HSL S...
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#1Sabarish Ramachandran (TTUHSC: Texas Tech University Health Sciences Center)H-Index: 17
#2Souad R. Sennoune (TTUHSC: Texas Tech University Health Sciences Center)H-Index: 14
Last. Vadivel Ganapathy (TTUHSC: Texas Tech University Health Sciences Center)H-Index: 110
view all 9 authors...
Metabolic reprogramming in cancer necessitates increased amino acid uptake, which is accomplished by up-regulation of specific amino acid transporters. However, not all tumors rely on any single amino acid transporter for this purpose. Here, we report on the differential up-regulation of the amino acid transporter SLC38A5 in triple-negative breast cancer (TNBC). The up-regulation is evident in TNBC tumors, conventional and patient-derived xenograft TNBC cell lines, and a mouse model of spontaneo...
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#1Sara M. Frangos (U of G: University of Guelph)
#2David Bishop (VU: Victoria University, Australia)H-Index: 86
Last. Graham P. Holloway (U of G: University of Guelph)H-Index: 39
view all 3 authors...
While the etiology of type 2 diabetes is multifaceted, the induction of insulin resistance in skeletal muscle is a key phenomenon, and impairments in insulin signaling in this tissue directly contribute to hyperglycemia. Despite the lack of clarity regarding the specific mechanisms whereby insulin signaling is impaired, the key role of a high lipid environment within skeletal muscle has been recognized for decades. Many of the proposed mechanisms leading to the attenuation of insulin signaling -...
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#1Connor D. D. Sampson (UKC: University of Kent)H-Index: 1
#2Cristina Fabregas Bellavista (UKC: University of Kent)
Last. Christopher Mulligan (UKC: University of Kent)H-Index: 2
view all 4 authors...
The divalent anionsodium symporter (DASS) family of transporters (SLC13 family in humans) are key regulators of metabolic homeostasis, disruption of which results in protection from diabetes and obesity, and inhibition of liver cancer cell proliferation. Thus, DASS transporter inhibitors are attractive targets in the treatment of chronic, age-related metabolic diseases. The characterisation of several DASS transporters has revealed variation in the substrate selectivity and flexibility in the co...
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#1Nicole M. Naranjo (Thomas Jefferson University)H-Index: 2
#2Israa Salem (Thomas Jefferson University)H-Index: 2
Last. Lucia R. Languino (Thomas Jefferson University)H-Index: 64
view all 4 authors...
We have previously shown that the αvβ6 integrin plays a key role in promoting prostate cancer (PrCa) as it can be transferred to recipient cells via small extracellular vesicles (sEVs). Furthermore, we have reported in a proteomic analysis that αvβ6 integrin downregulation increases the expression of IFIT3 (interferon induced protein with tetratricopeptide repeats 3) in PrCa cells and their derived sEVs. IFIT3 is a protein well known for being an antiviral effector, but recently its role in canc...
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#1Pu Qian (University of Sheffield)H-Index: 22
#2Tristan I. Croll (University of Cambridge)H-Index: 5
Last. C. Neil Hunter (University of Sheffield)H-Index: 65
view all 9 authors...
The dimeric reaction centre light-harvesting 1 (RC-LH1) core complex of Rhodobacter sphaeroides converts absorbed light energy to a charge separation, and then it reduces a quinone electron and proton acceptor to a quinol. The angle between the two monomers imposes a bent configuration on the dimer complex, which exerts a major influence on the curvature of the membrane vesicles, known as chromatophores, where the light-driven photosynthetic reactions take place. To investigate the dimerisation ...
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#1Erik A. Richter (UCPH: University of Copenhagen)H-Index: 114
#2Lykke Sylow (UCPH: University of Copenhagen)H-Index: 23
Last. Mark Hargreaves (University of Melbourne)H-Index: 82
view all 3 authors...
The interaction between insulin and exercise is an example of balancing and modifying the effects of two opposing metabolic regulatory forces under varying conditions. While insulin is secreted after food intake and is the primary hormone increasing glucose storage as glycogen and fatty acid storage as triglycerides, exercise is a condition where fuel stores need to be mobilized and oxidized. Thus, during physical activity the fuel storage effects of insulin need to be suppressed. This is done p...
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