Results 111 to 120 of about 1,624,448 (258)

Mechanisms and therapeutic opportunities of the ribotoxic stress response in cancer

open access: yesMolecular Oncology, EarlyView.
Cancer cells' high translational demand creates opportunities to therapeutically target ribosome function. Ribosome stalling and collisions activate ZAKα and the ribotoxic stress response (RSR), which can trigger rapid, p53‐independent apoptosis in cancer.
Anastassiya Kim   +7 more
wiley   +1 more source

Decoupling enzyme catalysis from thermal denaturation [PDF]

open access: yes, 2010
The equilibrium model (EM) (Daniel et al., 2001) postulates two forms of a folded enzyme, one catalytically active (Eact) and the other inactive (Einact), which interconvert via a fast thermal equilibrium (Keq) (Figure A). This model for enzyme catalysis
Easter, Ashley Davys
core  

Enzyme Activity Assay of Glycoprotein Enzymes Based on a Boronate Affinity Molecularly Imprinted 96-Well Microplate

open access: yes, 2016
Enzyme activity assay is an important method in clinical diagnostics. However, conventional enzyme activity assay suffers from apparent interference from the sample matrix.
Xiaodong Bi (1615477), Zhen Liu (74646)
core   +1 more source

The VHL tumor suppressor at the crossroad of protein folding, aggregation, and cancer

open access: yesMolecular Oncology, EarlyView.
Mutations, environmental stress, and chaperone dysfunction can destabilize pVHL, promoting its conversion from the native folded state into amyloid‐like assemblies. This transition may contribute to protein storage, cell dormancy, survival, and drug resistance.
Lara Abad   +2 more
wiley   +1 more source

A sensitive enzyme-linked immunosorbent assay for dihydrofolate reductase

open access: yes, 1991
A competitive enzyme-linked immunosorbent assay (ELISA) has been developed for the enzyme, dihydrofolate reductase. The sensitivity of the assay system approximates 3 ng of immunoreactive enzyme protein which is comparable to the sensitivity achieved in ...
Hussain, R, Iqbal, M P
core  

Extracellular vesicle lipidomics liquid biopsy reveals systemic and tumor microenvironment metabolic reprogramming in ovarian cancer

open access: yesMolecular Oncology, EarlyView.
Extracellular vesicle (EV) lipidomic profiling of plasma and ascites from patients with high‐grade serous ovarian cancer and of ovarian cancer cell lines reveals enrichment of triglycerides (TGs), diacylglycerols (DGs), phosphatidylcholine (PCs), sphingomyelins (SMs), reflecting tumor metabolic reprogramming.
Shikha Rani   +9 more
wiley   +1 more source

Correction to A Dual-Enzyme-Assisted Three-Dimensional DNA Walking Machine Using T4 Polynucleotide Kinase as Activators and Application in Polynucleotide Kinase Assays

open access: yes, 2018
Correction to A Dual-Enzyme-Assisted Three-Dimensional DNA Walking Machine Using T4 Polynucleotide Kinase as Activators and Application in Polynucleotide Kinase ...
Zihan Wang (3129810)   +6 more
core   +1 more source

A role for eIF5A in translational control of stress‐inducible proteins in multiple myeloma cell lines

open access: yesMolecular Oncology, EarlyView.
Loss of eIF5A rewires thapsigargin‐mediated endoplasmic reticulum stress responses in multiple myeloma cells by selective translation of mRNA transcripts, consequently dampening thapsigargin‐induced unfolded protein response (UPR) activation and shifting the balance from induction of apoptosis toward cell survival and proliferation.
Demi Both   +7 more
wiley   +1 more source

A sensitive assay for creatine kinase in serum samples dried on paper : enhanced thermal stability of the dried enzyme

open access: yes, 1983
A new bioluminescent creatine kinase (CK) assay using purified luciferase was used to analyse CK activity in serum samples dried on filter paper. Enzyme activity was preserved for over 1 wk on paper stored at room temperature.
Nicholson, G. A., Griffiths, Lyn R.
core  

Rapid Electrochemical Enzyme Assay with Enzyme-Free Calibration

open access: yes, 2016
The internally calibrated electrochemical continuous enzyme assay (ICECEA, patent pending) was developed for the fast determination of enzyme activity unit (U).
Maogen Zhang (1749853)   +2 more
core   +1 more source

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