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FBS Quality vs. Countries of Origin

Authors : PERCY W. HAWKES, DVM, Regulatory Consultant, Retired Foreign Service Diplomat for USDA (APHIS) Read the article in PDF

Fetal bovine serum: geographic origin and regulatory relevance of viral contamination

Authors: Percy William Hawkes Read the publication in PDF

A Burkholderia pseudomallei toxin inhibits helicase activity of translation factor eIF4A

The structure of BPSL1549, a protein of unknown function from Burkholderia pseudomallei reveals a similarity to E. coli cytotoxic necrotizing factor 1. We found that BPSL1549 acted as a potent cytotoxin against eukaryotic cells and was lethal when administered to mice. Expression levels of bpsl1549 correlate with conditions expected to promote or suppress pathogenicity. BPSL1549 promotes deamidation of Gln of the…

Inhibition of Glycogen Synthase Kinase-3β Counteracts Ligand-Independent Activity of the Androgen Receptor in Castration Resistant Prostate Cancer

Authors:Stefanie V. Schütz, Andres J. Schrader, Friedemann Zengerling, Felicitas Genze, Marcus V. Cronauer, Mark Schrader   In order to generate genomic signals, the androgen receptor (AR) has to be transported into the nucleus upon androgenic stimuli. However, there is evidence from in vitro experiments that in castration-resistant prostate cancer (CRPC) cells the AR is able to translocate…

Diamond as Functional Material for Bioelectronics and Biotechnology

Authors:Bohuslav Rezek, Marie Krátká, Egor Ukraintsev, Oleg Babchenko, Alexander Kromka, Antonín Brož and Marie Kalbacova   Read the publication in PDF

Auto-Luminescent Genetically-Encoded Ratiometric Indicator for Real-Time Ca2+ Imaging at the Single Cell Level

Authors Kenta Saito, Noriyuki Hatsugai, Kazuki Horikawa, Kentaro Kobayashi, Toru Matsu-ura, Katsuhiko Mikoshiba, Takeharu Nagai   BackgroundEfficient bioluminescence resonance energy transfer (BRET) from a bioluminescent protein to a fluorescent protein with high fluorescent quantum yield has been utilized to enhance luminescence intensity, allowing single-cell imaging in near real time without external light illumination.   Methodology/Principal…

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