Results 91 to 100 of about 160,489 (252)

Selective N‐Functionalization of Pyrazoles

European Journal of Organic Chemistry, EarlyView.
This review traces the evolution of regioselective N‐functionalization strategies for pyrazoles, a key class of nitrogen heterocycles widely used in medicinal chemistry. Due to rapid tautomerism, N‐functionalization often lacks selectivity, leading to poor and unpredictable regioisomeric outcomes.
Lucas Popek, Matthias Schrader, Christopher J. Teskey   +2 more
wiley   +1 more source

Research progress on the role of inflammatory mediators in the pathogenesis of epilepsy

Ibrain, Volume 11, Issue 1, Page 44-58, Spring 2025.
In the central nervous system, activated immune cells lead to the overproduction of inflammatory mediators through the corresponding signal pathway. Under the stimulation of inflammatory factors, neuroinflammation ultimately occurs. Overexpression of inflammatory mediators and activated immunocytes plays an important role in the emergence and ...
Yue Yu, Fei‐Ji Sun
wiley   +1 more source

NAD+ analog reveals PARP-1 substrate-blocking mechanism and allosteric communication from catalytic center to DNA-binding domains

Nature Communications, 2018
Poly(ADP-ribose) polymerases (PARPs) catalyse ADP-ribose posttranslational modifications using NAD+ as a substrate. Here, the authors present the crystal structure of PARP-1 bound to the non-hydrolyzable NAD+ analog BAD and provide insights into the ...
Marie-France Langelier, Levani Zandarashvili, Pedro M. Aguiar, Ben E. Black, John M. Pascal   +4 more
doaj   +1 more source

Roles of Nicotinamide Adenine Dinucleotide (NAD+) in Biological Systems

Challenges, 2018
NAD+ has emerged as a crucial element in both bioenergetic and signaling pathways since it acts as a key regulator of cellular and organism homeostasis. NAD+ is a coenzyme in redox reactions, a donor of adenosine diphosphate-ribose (ADPr) moieties in ADP-
Palmiro Poltronieri, Nataša Čerekovic
doaj   +1 more source

Global Real‐World Outcomes of Olaparib in Metastatic Castration‐Resistant Prostate Cancer Patients With Homologous Recombination Repair Alterations

International Journal of Cancer, EarlyView.
ABSTRACT Evidence to guide the treatment for patients with metastatic castration‐resistant prostate cancer (mCRPC) and Homologous Recombination Repair (HRR) gene alterations outside of clinical trials remains limited. This was an observational, cohort study, including mCRPC patients with tumor harboring HRR alterations, progressed on a prior androgen ...
Lorena Incorvaia, Daniele Santini, Marc R. Matrana, Marco Maruzzo, Ray Manneh Kopp, Lorenzo Antonuzzo, Sergio Bracarda, Deniz Tural, Giuseppe Procopio, Maria T. Bourlon, Orazio Caffo, Martin Ignacio Zapata Laguado, Massimo Di Maio, Brigida Anna Maiorano, Vincenza Conteduca, Sabrina Rossetti, Helga Lipari, Thomas Büttner, Mimma Rizzo, Yüksel Ürün, Carlo Messina, Fernando Sabino Marques Monteiro, Andrey Soares, Mattia Puglisi, Alice Principi, Eleonora Lai, Giulia Mammone, Marco Stellato, Ilaria Depetris, Tancredi Didier Bazan Russo, Isadora Yasbick Spricido, Camila Bobato Lara Gismondi, Francesco Massari, Nicola Pavan, Matteo Santoni, Tarek Taha   +35 more
wiley   +1 more source

Cross‐Regulation Between DNA Methylation and Circadian Clock Reprogramming in Ovarian Cancer: Mechanistic Insights, Biomarker Potential, and Therapeutic Implications

International Journal of Cancer, EarlyView.
ABSTRACT Early diagnosis remains challenging, recurrence rates remain high, and platinum resistance frequently develops in ovarian cancer (OC), collectively representing major barriers to long‐term patient survival. DNA methylation (DNAm), as a relatively stable yet dynamically modifiable epigenetic signature, can capture alterations in tumor states ...
Min Xing, Chang Zhou, Yi Tang, Shuhui Xu, Shasha Zhou, Weiai Liu, Huiping Liu   +6 more
wiley   +1 more source

Iso-ADP-Ribose Fluorescence Polarization Probe for the Screening of RNF146 WWE Domain Inhibitors

Poly-ADP-ribosylation is an important protein post-translational modification with diverse biological consequences. After binding poly-ADP-ribose on axis inhibition protein 1 (AXIN1) through its WWE domain, RING finger protein 146 (RNF146) can ...
Kewen Peng (8194929), Ananya Anmangandla (2571085), Hening Lin (1306563), Sadhan Jana (15348650), Yizhen Jin (15348644)   +4 more
core   +2 more sources

Nitrosative Stress as a Modulator of Inflammatory Change in a Model of Takotsubo Syndrome

JACC: Basic to Translational Science, 2018
Summary: Previous studies have shown that patients with Takotsubo syndrome (TS) have supranormal nitric oxide signaling, and post-mortem studies of TS heart samples revealed nitrosative stress.
Sven Y. Surikow, BHlthSc (Hons), Thanh H. Nguyen, MD, MMedSci, PhD, Irene Stafford, BSc, Matthew Chapman, BSc, MClinSci, DMU, CEPIA, Sujith Chacko, MBBS, Kuljit Singh, MBBS, PhD, Giovanni Licari, BSc, PhD, Betty Raman, MBBS, Darren J. Kelly, PhD, Yuan Zhang, MBBS, PhD, Mark T. Waddingham, BSc (Hons), PhD, Doan T. Ngo, BPharm, PhD, Alexander P. Bate, Su Jen Chua, MBBS, Michael P. Frenneaux, MD, John D. Horowitz, MBBS, BMedSci(Hons), PhD   +15 more
doaj   +1 more source

Identification of ADP-ribosylated peptides and ADP-ribose acceptor sites

, 2014
ADP-ribosylation is a post-translational modification of proteins that comprises the transfer of the ADP-ribose moiety from NAD+ to specific amino acid residues on substrate proteins or to ADP-ribose itself.
Rosenthal, Florian, Hottiger, Michael O; https://orcid.org/   +1 more
core   +1 more source

α2,3‐Sialyltransferase (ST3Gal1) regulates endometrioid‐type epithelial ovarian cancer cell migration and invasion via VEGF‐R2/JAK2/STAT3 signaling cascades

International Journal of Gynecology &Obstetrics, EarlyView.
Abstract Objective To investigate the role of ST3 β‐galactoside α‐2,3‐sialyltransferase 1 (ST3Gal1) and vascular endothelial growth factor receptor 2 (VEGF‐R2) in endometrioid‐type epithelial ovarian cancer (E‐OC) because aberrant α2,3‐sialylation mediated by ST3Gal1 and VEGF‐R2‐related angiogenesis is linked with tumor progression. Methods ST3Gal1 and
Wei‐Ting Chao, Chia‐Hao Liu, Szu‐Ting Yang, Chen‐Hao Lin, Liang‐Wei Wang, Peng‐Hui Wang   +5 more
wiley   +1 more source