Abstract

This data article contains complementary figures to the research article “Mitochondrial response to the BCKDK-deficiency: some clues to understand the positive dietary response in this form of autism” [1]. Herein we present data relative to the effect of knocking down BCKDK gene on the real time oxygen consumption rate of fibroblasts obtained from a Maple Syrup Urine Disease (MSUD) patient. Interference of BCKDK expression on such cells showing a reduced branched-chain α-ketoacid dehydrogenase (BCKDHc) activity; let us generate a scenario to study the direct effect of BCKDK absence in an environment of high branched-chain amino acids (BCAAs) concentrations. Data relative to the effectiveness of the knockdown together with the potentiality of the BCKDK-knockdown to increase the deficient branched-chain α-ketoacid dehydrogenase activity detected in MSUD patients are also shown.

Highlights

  • We present data relative to the effect of knocking down BCKDK gene on the real time oxygen consumption rate of fibroblasts obtained from a Maple Syrup Urine Disease (MSUD) patient

  • Bravo-Alonso et al / Data in Brief 7 (2016) 755–759 the knockdown together with the potentiality of the BCKDKknockdown to increase the deficient branched-chain α-ketoacid dehydrogenase activity detected in MSUD patients are shown. & 2016 Elsevier Inc

  • Graph, figure qRT-PCR (LightCyclers480), XF24 Extracellular Flux analyzer (Seahorse Bioscience, Izasa Scientific) Analyzed MSUD-patient’ fibroblasts lentiviral transduced with shRNAs against BCKDK gene qRT-PCR, oxygen consumption ratio in intact cells, radiometric assay

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Summary

Lentiviral construct and validation

Lentiviral particles incorporating shRNAs against BCKDK (NM_00588.1) (Mission shRNA, Sigma Aldrich, St., MO) were generated in HEK293T packaging cells by co-transfection of pLKO. plasmid containing shRNA sequences, packing plasmid pCMV-dR8.74, and envelope plasmid pMD2.G (Addgene, Cambridge, MA) using Lipofectamine and Plus reagent (Life Technologies, Carlsbad, CA). Medium containing viral particles (non-target control shRNA -SHC002- or either of the BCKDK shRNAs targeting different sequences of human BCKDK) were removed 48 h after transfection. Infections of MSUD fibroblasts were performed as described in [1]. ShRNA clone information: clone TRC number: TRCN0000199200, TRCN000010196, and TRCN000010183; clone ID: NM_005881.1828s1c1, NM_005881.x-850s1c1, and NM_005881.x-135s1c1. ShRNA clone information: clone TRC number: TRCN0000199200, TRCN000010196, and TRCN000010183; clone ID: NM_005881.1828s1c1, NM_005881.x-850s1c1, and NM_005881.x-135s1c1. http://www.sigmaaldrich.com/catalog/ genes/BCKDK?lang 1⁄4es&region1⁄4 ES#shRNA

Real-time PCR quantification
Mitochondrial isolation and western blot
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