Results 51 to 60 of about 239,867 (289)

Single-cell mass-density measurements using microchannel gradient centrifugation

open access: yesScientific Reports
We present a microchannel-based adaptation of mass density-gradient centrifugation for the mass density measurement of cells or microparticles. The workflow consists of three basic steps: Microchannel filling, centrifugation, and microscopy. Microchannel
Richard Soller   +2 more
doaj   +1 more source

Valosin‐containing protein counteracts ATP‐driven dissolution of FUS condensates through its ATPase activity in vitro

open access: yesFEBS Letters, EarlyView.
Biomolecular condensates formed by fused in sarcoma (FUS) are dissolved by high ATP concentrations yet persist in cells. Using a reconstituted system, we demonstrate that valosin‐containing protein (VCP), an AAA+ ATPase, counteracts ATP‐driven dissolution of FUS condensates through its D2 ATPase activity.
Hitomi Kimura   +2 more
wiley   +1 more source

Red blood cell layers after Percoll density gradient centrifugation.

open access: yes, 2015
Seven RBC fractions were generated by Percoll density gradient centrifugation. Least dense fraction on the top consisted of youngest RBC; increasing density indicated increasing RBC age.
Daniel Alexander Bizjak (728303)   +3 more
core   +1 more source

Hyperosmotic stress induces PARP1‐mediated HPF1‐dependent mono(ADP‐ribosyl)ation

open access: yesFEBS Letters, EarlyView.
Sorbitol‐induced hyperosmotic stress rapidly induces reversible mono(ADP‐ribosyl)ation (MARylation) on PARP1 without the signs of genotoxic signaling. We show that PARP1 autoMARylation is HPF1 dependent and forms hydroxylamine‐resistant O‐glycosidic linkages.
Anna Georgina Kopasz   +11 more
wiley   +1 more source

PeranSenyawa Oksigen Reaktif dalam Makanisme KerusakanIntegritas Membran Spermatozoa KerbauLumpur Setelah Sentrifugasi Gradien Densitas Percoll

open access: yesJKS (Jurnal Kedokteran Syiah Kuala), 2008
Abstrak.  Penelitian  ini  bertujuan  untuk  menganalisa senyawa  oksigen  reaktif  dan  pengaruhnya  terhadap integritas membran plasma spermatozoa kerbau lumpur basil sentrifugasi gradien densitas percoll.
Dasrul Dasrul   +3 more
doaj  

An isoform of 14‐3‐3 protein regulates transbilayer lipid movement at the plasma membrane

open access: yesFEBS Letters, EarlyView.
Loss of 14‐3‐3ζ in CHO cells confers resistance to exogenous phosphatidylserine (PS) and impairs endocytosis‐independent inward flip‐flop of fluorescent PS at the plasma membrane. RNAi‐mediated knockdown reproduces this defect, while no additive effect is seen in ATP11C‐deficient cells.
Akiko Yamaji‐Hasegawa   +3 more
wiley   +1 more source

COMPARISON BETWEEN TWO-LAYER DENSITY GRADIENT AND THREE-LAYER DENSITY GRADIENT TECHNIQUE FOR SPERM PREPARATION AT ASTER FERTILITY CLINIC, DR. HASAN SADIKIN GENERAL HOSPITAL

open access: yesInternational Journal of Integrated Health Sciences, 2014
Objective: To compare the efficacy of sperm preparation techniques modified by two layer density gradient technique (80%, 40%). Methods: Sperm preparation was performed by two- and three-layer density gradient technique by centrifugation at 500 rpm ...
Nanang Winarto Astarto   +2 more
doaj   +1 more source

Density gradient centrifugation in anglehead rotors, Anal

open access: yes, 2020
Preparative isopycnic density-gradient centrifugation is ordinarily done in high-speed swinging-bucket rotors such as the Spinco SW 39 and SW 25. In addition to requiring this special equipment, the technique is severely limited by the small number of ...
W D Fisher, G B Cline, N G Anderson
core  

pH‐mediated activation of the lysosomal arginine sensor SLC38A9

open access: yesFEBS Letters, EarlyView.
Cells monitor nutrient levels via the lysosomal transporter SLC38A9 to activate the mechanistic target of rapamycin complex 1 (mTORC1). This study reveals that SLC38A9 function is regulated by pH. We identified histidine 544 as a critical pH sensor that undergoes conformational changes to control amino acid efflux from lysosomes; therefore, it ...
Xuelang Mu, Ampon Sae Her, Tamir Gonen
wiley   +1 more source

Density Gradient Centrifugation for Enrichment and Identification of GFP-tagged Chitosomal Microvesicles of Filamentous Fungi

open access: yesBio-Protocol, 2015
Density gradient centrifugation has been utilized to characterize the subcellular distribution of physiologically relevant enzymes in yeasts and filamentous fungi (Leal-Morales et al., 1988; Martínez et al., 1989; Kamada et al., 1991).
Jorge Verdín   +5 more
doaj   +1 more source

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