Results 81 to 90 of about 337,826 (349)

An improved protocol for small RNA library construction using High Definition adapters [PDF]

, 2015
Next generation sequencing of small RNA (sRNA) libraries is widely used for studying sRNAs in various biological systems. However, cDNA libraries of sRNAs are biased for molecules that are ligated to adapters more or less efficiently than other molecules.
Aravin, Baran, Bushati, Edgar, Git, Hafner, He, Jagadeeswaran, Jayaprakash, Kawano, Mallory, Mortazavi, Munafó, Pease, Prüfer, Raabe, Reddy, Song, Sorefan, Stocks, Sun, Szittya, Szittya, Tian, Vigneault, Viollet, Willenbrock, Zhang, Zhuang   +28 more
core   +1 more source

Integrative miRNOMe profiling reveals the miR‐195‐5p–CHEK1 axis and its impact on luminal breast cancer outcomes

Molecular Oncology, EarlyView.
In luminal (ER+) breast carcinoma (BC), miRNA profiling identified miR‐195‐5p as a key regulator of proliferation that targets CHEK1, CDC25A, and CCNE1. High CHEK1 expression correlates with worse relapse‐free survival after chemotherapy, especially in patients with luminal A subtype.
Veronika Boušková, Marie Ehrlichová, Alžběta Spálenková, Ivona Krus, Simona Šůsová, Viktor Hlaváč, Vlasta Němcová, Renata Koževnikovová, Markéta Trnková, David Vrána, Jiří Gatěk, Kateřina Kopečková, Marcela Mrhalová, Soňa Měšťáková, Pavel Souček   +14 more
wiley   +1 more source

DNA Ligase IV Syndrome: A Rare Cause of Growth Failure & Hypogonadism

AACE Clinical Case Reports, 2019
: Objective: DNA ligase IV syndrome is a rare genetic disorder characterized by pronounced radiosensitivity, growth failure, pancytopenia, hypogonadism, and immunodeficiency.
Jennifer J. Iyengar, MD, Shane C. Quinonez, MD, Nataliya Razumilava, MD, Barbara Soyster, MD, Yolanda R. Smith, MD, Mark T. Vander Lugt, MD, Jennifer Wyckoff, MD   +6 more
doaj  

Biosynthesis of mammalian DNA ligase.

Journal of Biological Chemistry, 1985
A monospecific antibody against calf thymus DNA ligase composed of a single polypeptide with Mr = 130,000 cross-reacts with rodent and calf thymus DNA ligases. The antibody precipitates a single Mr = 200,000 polypeptide from detergent lysates of [3H] leucine-labeled mouse Ehrlich tumor cells and calf thymocytes. Pulse-chase experiments show that the Mr
K Tsukada, H Teraoka
openaire   +3 more sources

Raphin‐1 mediates the survival and sensitivity to radiation of pediatric‐type diffuse high‐grade glioma via phosphorylated eukaryotic initiation factor 2α‐dependent and ‐independent processes

Molecular Oncology, EarlyView.
Raphin‐1 reduces the survival of PED‐DHGG cells and enhances their radiation sensitivity through both PeIF2α‐dependent and PeIF2α‐independent mechanisms. Raphin‐1 sustains elevated levels of PeIF2α, contributing to its PeIF2α‐dependent effects. Additionally, raphin‐1 interacts with CReP to mediate a separate radiosensitizing pathway that operates ...
Karin Eytan, Moshe Leitner, Amos Toren, Shoshana Paglin, Michal Yalon   +4 more
wiley   +1 more source

Ubiquitylation in immune disorders and cancer: from molecular mechanisms to therapeutic implications [PDF]

, 2012
Conjugation of ubiquitin to proteins (ubiquitylation) has emerged to be one of the most crucial post-translational modifications controlling virtually all cellular processes.
Fulda, Simone, Rajalingam, Krishnaraj, Dikic, Ivan   +2 more
core   +1 more source

β‐TrCP overexpression enhances cisplatin sensitivity by depleting BRCA1

Molecular Oncology, EarlyView.
Low levels of β‐TrCP (Panel A) allow the accumulation of BRCA1 and CtIP, which facilitate the repair of cisplatin‐induced DNA damage via homologous recombination (HR) and promote tumor cell survival. In contrast, high β‐TrCP expression (Panel B) leads to BRCA1 and CtIP degradation, impairing HR repair, resulting in persistent DNA damage and apoptosis ...
Rocío Jiménez‐Guerrero, Alejandro Belmonte‐Fernández, Mónica González‐Moreno, Laura Rodríguez‐Cordero, Begoña Pérez‐Valderrama, Joaquín Herrero‐Ruíz, Francisco Romero, Carmen Sáez, Miguel Á. Japón   +8 more
wiley   +1 more source

"Cullin 4 makes its mark on chromatin"

Cell Division, 2006
Cullin 4 (Cul4), a member of the evolutionally conserved cullin protein family, serves as a scaffold to assemble multisubunit ubiquitin E3 ligase complexes.
Wang Hengbin, Dai Qian
doaj   +1 more source

DCAF26, an adaptor protein of Cul4-based E3, is essential for DNA methylation in Neurospora crassa. [PDF]

PLoS Genetics, 2010
DNA methylation is involved in gene silencing and genome stability in organisms from fungi to mammals. Genetic studies in Neurospora crassa previously showed that the CUL4-DDB1 E3 ubiquitin ligase regulates DNA methylation via histone H3K9 trimethylation.
Hui Xu, Jiyong Wang, Qiwen Hu, Yun Quan, Huijie Chen, Yingqiong Cao, Chunbo Li, Ying Wang, Qun He   +8 more
doaj   +1 more source

Dynamics of phosphodiester synthesis by DNA ligase [PDF]

Proceedings of the National Academy of Sciences, 2008
Ligases are essential actors in DNA replication, recombination, and repair by virtue of their ability to seal breaks in the phosphodiester backbone. Ligation proceeds through a nicked DNA-adenylate intermediate (AppDNA), which must be sealed quickly to avoid creating a potentially toxic lesion.
Aurélien Crut, Pravin A. Nair, Daniel A. Koster, Nynke H. Dekker, Stewart Shuman   +4 more
openaire   +3 more sources