Results 81 to 90 of about 194,742 (384)

Human mitochondrial degradosome prevents harmful mitochondrial R loops and mitochondrial genome instability [PDF]

open access: yes, 2018
R loops are nucleic acid structures comprising an DNA-RNA hybrid and a displaced single-stranded DNA. These structures may occur transiently during transcription, playing essential biological functions. However, persistent R loops may become pathological
Aguilera López, Andrés   +2 more
core   +1 more source

Tumor clusters with divergent inflammation and human retroelement expression determine the clinical outcome of patients with serous ovarian cancer

open access: yesMolecular Oncology, EarlyView.
Analysis of treatment‐naïve high‐grade serous ovarian carcinoma (HGSOC) and control tissues for ERVs, LINE‐1 (L1), inflammation, and immune checkpoints identified five clusters with diverse patient recurrence‐free survivals. An inflammation score was calculated and correlated with retroelement expression, where one novel cluster (Triple‐I) with high ...
Laura Glossner   +6 more
wiley   +1 more source

Structural insights into the nucleic acid remodeling mechanisms of the yeast THO-Sub2 complex

open access: yeseLife, 2020
The yeast THO complex is recruited to active genes and interacts with the RNA-dependent ATPase Sub2 to facilitate the formation of mature export-competent messenger ribonucleoprotein particles and to prevent the co-transcriptional formation of RNA:DNA ...
Sandra K Schuller   +6 more
doaj   +1 more source

Structural basis for MTR4–ZCCHC8 interactions that stimulate the MTR4 helicase in the nuclear exosome-targeting complex

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2018
Significance Aberrant or unwanted transcripts can be degraded by the RNA exosome with the help of the nuclear exosome-targeting (NEXT) complex. NEXT, composed of RNA-binding protein RBM7, scaffold ZCCHC8, and helicase MTR4, is implicated in stress ...
M. Puno   +3 more
semanticscholar   +1 more source

Nanomaterial‐Based Optical Biosensors for SARS‐CoV‐2 Detection: A Retrospective of the Pandemic

open access: yesAdvanced Sensor Research, EarlyView.
This review discusses nanomaterial‐based optical biosensors developed for or adapted to the detection of severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2). It concludes by providing a perspective on how lessons learned during the coronavirus disease of 2019 (COVID‐19) pandemic may be applied for future research on nanomaterial‐based ...
Flavie Martin   +2 more
wiley   +1 more source

New Insights Into DNA Helicases as Druggable Targets for Cancer Therapy

open access: yesFrontiers in Molecular Biosciences, 2018
Small molecules that deter the functions of DNA damage response machinery are postulated to be useful for enhancing the DNA damaging effects of chemotherapy or ionizing radiation treatments to combat cancer by impairing the proliferative capacity of ...
Arindam Datta, Robert M. Brosh
doaj   +1 more source

The Human Replicative Helicase, the CMG Complex, as a Target for Anti-cancer Therapy

open access: yesFrontiers in Molecular Biosciences, 2018
DNA helicases unwind or rearrange duplex DNA during replication, recombination and repair. Helicases of many pathogenic organisms such as viruses, bacteria, and protozoa have been studied as potential therapeutic targets to treat infectious diseases, and
Y. Seo, Young-Hoon Kang
semanticscholar   +1 more source

Mutations in Mtr4 Structural Domains Reveal Their Important Role in Regulating tRNA\u3csub\u3ei\u3c/sub\u3e \u3csup\u3eMet\u3c/sup\u3e Turnover in \u3cem\u3eSaccharomyces cerevisiae\u3c/em\u3e and Mtr4p Enzymatic Activities \u3cem\u3eIn Vitro\u3c/em\u3e [PDF]

open access: yes, 2016
RNA processing and turnover play important roles in the maturation, metabolism and quality control of a large variety of RNAs thereby contributing to gene expression and cellular health.
Anderson, James T.   +2 more
core   +1 more source

ATPase mechanism of the 5'-3' DNA helicase, RecD2: evidence for a pre-hydrolysis conformation change [PDF]

open access: yes, 2013
The superfamily 1 helicase, RecD2, is a monomeric, bacterial enzyme with a role in DNA repair, but with 5'-3' activity unlike most enzymes from this superfamily. Rate constants were determined for steps within the ATPase cycle of RecD2 in the presence of
Bae   +34 more
core   +1 more source

Understanding miR‐200c: an Important Player in Resistance to Cancer Treatment

open access: yesAdvanced Therapeutics, EarlyView.
How can one microRNA alter cancer's response to therapy? miR‐200c plays a central role in therapeutic resistance by modulating epithelial‐mesenchymal transition, apoptosis, cancer stemness features, and drug efflux. This review outlines the context‐dependent functions of miR‐200c in various cancers and highlights its potential as both a biomarker and a
Fatma Sanli, Omer Faruk Karatas
wiley   +1 more source

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