Results 111 to 120 of about 247,874 (255)

Carrier‐Free Berberine/Nitidine Chloride Self‐Assembled Nanoparticles Induce Ferroptosis to Overcome Bortezomib Resistance in Multiple Myeloma

Advanced Science, EarlyView.
A schematic illustrating the fabrication process and ferroptosis‐mediated therapeutic mechanism of carrier‐free self‐assembled BBR/NC‐SAPs for overcoming bortezomib resistance in multiple myeloma. ABSTRACT Therapeutic relapse driven by bortezomib resistance represents a formidable clinical barrier in the management of multiple myeloma (MM).
Yiwen Lv, Shuang Liu, Hong Wu, Guiluan Li, Ying Rong, Guangchao Li, Yangmin Zhu, Qi Zhong, Ruiming Ou, Huijuan Shen, Zhi Liu, Jing Huang, Zhenwei Wang, Pei Lin, Qing Zhang, Guopan Yu, Zhao Yin   +16 more
wiley   +1 more source

EBV‐Driven ODC1 Upregulation Enhances Polyamine Anabolism to Promote Viral Replication and Cisplatin Resistance in Nasopharyngeal Carcinoma

Advanced Science, EarlyView.
EBV‑BZLF1 initiates ODC1‑driven polyamine anabolism that correlates with poor clinical prognosis in nasopharyngeal carcinoma. The ODC1–spermidine axis promotes viral replication, cell proliferation and innate immune evasion. Pharmacological inhibition of ODC1 rescues cisplatin sensitivity, establishing ODC1 as a viable therapeutic target for EBV ...
Yueshuo Li, Xudong Hu, Chenxing Yang, Na Liu, Lin Wang, Xi Cai, Min Tang, Ya Cao, Li Shang, Feng Shi   +9 more
wiley   +1 more source

Photobiomodulation‑Engineered Extracellular Vesicles Enhance Neural Differentiation via UFL1‑Mediated UFMylation in Spinal Cord Injury

Advanced Science, EarlyView.
Photobiomodulated microglia release engineered extracellular vesicles that deliver UFL1 to the injured spinal cord. UFL1 competitively binds p53 with MDM2, inhibiting p53 ubiquitination and stabilizing p53 signaling. This dual mechanism simultaneously promotes anti‐inflammatory microglial polarization and directs neural stem cell differentiation toward
Yunxiao Fang, Zuomeng Wu, Ruocheng Guo, Cancan Wang, Yue Qin, Yixiang Dong, Aoyun Li, Ao Liu, Chongyu Jia, Tianyu Han, Peiwen Song, Lei Chen, Cailiang Shen   +12 more
wiley   +1 more source

A Micropeptide Component of the OGDH Complex Modulates ATP Production in the TCA Cycle

Advanced Science, EarlyView.
This study identified a mitochondrial micropeptide encoded by a non‐canonical open reading frame (alt‐ORF) within the CTSB gene. This micropeptide named APPM (ATP production‐promoting micropeptide) is a novel component of the OGDHc complex in the TCA cycle. APPM localizes to the inner mitochondrial membrane and directly binds to OGDH, the E1 subunit of
Xinqiang Yin, Weiyan Qi, Lifen Lin, Huilin Zheng, Guoxiang Zhao, Quan Chen, Guoqiang Shao, Yifan Wu, Jialiang Hu, Hanmei Xu   +9 more
wiley   +1 more source

A Synthetic Platform for Antibody Junctional Diversification Beyond Natural Constraints

Advanced Science, EarlyView.
ARESEC is a synthetic platform that reconstructs functional V(D)J recombination in HEK293T cells. By introducing RSS elements and co‐expressing RAG1/2 and TdT across all three antibody CDRs, it enables programmable junctional diversification and direct generation of high‐affinity variants targeting PD‐1/PD‐L1, overcoming the evolutionary constraints of
Wang Liu, Jun Yang, Yuhang Zhang, Xiaoli Xue   +3 more
wiley   +1 more source

Structural Basis of Shiga Toxin Neutralization by Human Antibodies Targeting Canonical Receptor‐Binding and Non‐Canonical Assembly Sites

Advanced Science, EarlyView.
Cryo‐electron microscopy structures reveal two distinct neutralization mechanisms of fully human monoclonal antibodies targeting the Shiga toxin 1a B subunit. RDS059 occludes the Gb3 receptor‐binding site, whereas RDS045 engages a lateral quaternary epitope to disrupt holotoxin assembly.
Jianting Ke, Xin Li, Xiaoli Wang, Zhaoxia Huang, Shaojie Xue, Yuyang Liu, Jing Pan, Guowei Hu, Yayu Wang, Cheng Wang, Shoudeng Chen   +10 more
wiley   +1 more source

Crystal Structure of Hypusine-Containing Translation Factor eIF5A Bound to a Rotated Eukaryotic Ribosome

, 2016
International audienceEukaryotic translation initiation factor eIF5A promotes protein synthesis by resolving polyproline-induced ribosomal stalling. Here, we report a 3.25-Å resolution crystal structure of eIF5A bound to the yeast 80S ribosome.
Rigger, Lukas, Marat Yusupov, Yusupov, Marat, Justine Mailliot, Lukas Rigger, Yusupova, Gulnara, Byung-Sik Shin, Gulnara Yusupova, Mailliot, Justine, Melnikov, Sergey, Sergey Melnikov, Ronald Micura, Dever, Thomas, Shin, Byung-Sik, Thomas E. Dever, Micura, Ronald   +15 more
core   +1 more source

Restoration of m6A‐Modified circPSMB1 Suppresses Chordoma Progression and Enables Local Nanotherapeutic Intervention

Advanced Science, EarlyView.
An m6A‐modified circRNA, circPSMB1, is identified as a tumor suppressor in chordoma. METTL3‐dependent m6A promotes circPSMB1 interaction with HNRNPA2B1, limiting c‐MYC expression and malignant progression. An injectable HMnO2‐based nanohydrogel enables local circPSMB1 delivery and tumor microenvironment‐responsive therapy, offering a promising strategy
Yingchuang Tang, Liang Qiu, Xingbang Ruan, Yihan Shi, Ye Wang, Hanwen Li, Kai Zhang, Kangwu Chen   +7 more
wiley   +1 more source

Ribosome-associated ncRNAs (rancRNAs): An emerging class of translation regulators

, 2016
Small non-protein-coding RNA (ncRNA) molecules represent major contributors to regulatory networks in controlling gene expression in a highly efficient manner. Most of the recently discovered regulatory ncRNAs acting on translation target the mRNA rather
Polacek, Norbert
core  

Bakteri ribosoomide uurimus keemilise modifitseerimise meetoditega [PDF]

, 2010
Väitekirja elektrooniline versioon ei sisalda publikatsioone.Ribosoom on suur makromolekulaarne kompleks, mis kodeerib päriliku informatsiooni valgulisse olemusse.
Pulk, Arto
core