Results 201 to 210 of about 16,022 (236)

Early Detection of Cell Death Using Transmembrane Water Exchange Magnetic Resonance Imaging

Advanced Science, EarlyView.
Cell death is important in both the development and treatment of cancer. In this study, it is demonstrated for the first time that a specific measurement of the transmembrane water exchange rate using magnetic resonance imaging can be used as an early marker of cell death in mammalian cells, in animals and in human patients. Abstract Cell death plays a
Athanasia Kaika, Luca Nagel, Ulrike Höckendorf, Bangwen Xie, Geoffrey J. Topping, Mathias Schillmaier, Irina Beer, Frits H. A. van Heijster, Julian Rauch, Tristan A. Kuder, Sandra Sühnel, Bernd Erber, Christian Lohrmann, Simone Ballke, Thomas Metzler, Katja Steiger, Philipp J. Jost, Natalia P. Ivleva, Philipp Paprottka, Jonathan Nadjiri, Kevin M. Brindle, Wolfgang A. Weber, Franz Schilling   +22 more
wiley   +1 more source

Learned Conformational Space and Pharmacophore Into Molecular Foundational Model

Advanced Science, EarlyView.
The Ouroboros model introduces two orthogonal modules within a unified framework that independently learn molecular representations and generate chemical structures. This design enables flexible optimization strategies for each module and faithful structure reconstruction without prompts or noise.
Lin Wang, Yifan Wu, Hao Luo, Minglong Liang, Yihang Zhou, Cheng Chen, Chris Liu, Jun Zhang, Yang Zhang   +8 more
wiley   +1 more source

ITGB1 Regulates Triple‐Negative Breast Cancer Development by Modulating the Tumor Microenvironment

Advanced Science, EarlyView.
ABSTRACT Tumorigenesis and metastasis are frequently attributed to the intricate interplay between cancer cells and the tumor microenvironment (TME). Comprehending the mechanisms and key regulators of cancer‐immune crosstalk in the TME is imperative for developing efficacious immunotherapy.
Nuozi Song, Siqi Chen, Lei Wang, Jessica Dang, Xu Cao, Stephanie Singh, Lu Yang, Jinhui Wang, Steven T. Rosen, Yingyu Wang, Chun‐Wei D. Chen, Cheng Zhang, Mingye Feng   +12 more
wiley   +1 more source

DNA Nanostructure‐Templated Multivalency Enables Broad‐Spectrum Virus Inhibition

Advanced Science, EarlyView.
A honeycomb‐shaped DNA nanostructure is introduced that organizes nanobodies or aptamers into trimeric clusters mirroring the native hemagglutinin arrangement on influenza viruses. This geometry‐matched multivalency enhances binding avidity by up to 1000‐fold, resulting in robust, broad‐spectrum viral neutralization and a 30–55% improvement in host ...
Saurabh Umrao, Abhisek Dwivedy, Dhanush Gandavadi, Chi Chen, Lifeng Zhou, Jinwei Duan, Vineetha Mareddy, Ying Fang, Xing Wang   +8 more
wiley   +1 more source

DCAF13 Safeguards Hematopoietic Stem Cells via RRS1‐Regulated Ribosome Biogenesis

Advanced Science, EarlyView.
This study establishes DCAF13 as an essential regulator for hematopoietic stem cell (HSC) function. Its deletion in mice causes lethal pancytopenia and HSC depletion. Mechanistically, DCAF13 interacts with RRS1 and mediates its non‐degradative K27‐linked ubiquitination, thereby stabilizing RRS1 to maintain ribosome biogenesis and protein translation ...
Mengke Li, Yuxin Wu, Shuai Zhou, Peipei Tang, Jiaming Wei, Ling Liu, Zhenyi Wang, Deyang Shi, Shengnan Yuan, Qingyu Zhang, Shihui Wang, Qing Zhang, Huan Zhao, Rui Zhang, Yingying Wang, Shiwei Yang, Xiangli Chen, Xiaojing Shi, Guangzhi Liu, Yuwei Zhang, Jinming Li, Xu Dong Zhang, Rick F Thorne, Dongping Wei, Zumin Zhu, Song Chen   +25 more
wiley   +1 more source

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Molecular designer self-assembling peptides

Chemical Society Reviews, 2006
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Xiaojun, Zhao, Shuguang, Zhang
openaire   +2 more sources

Self-Assembling Porphyrin-Modified Peptides

Organic Letters, 2005
[structure: see text] We report the synthesis and characterization of a novel supramolecular assembly that features long-range electronic coupling between porphyrins covalently attached to a designed peptide scaffold. The resulting construct self-assembles to form extended organized aggregates in which the porphyrins engage in exciton coupling.
Joshua R, Dunetz, Claire, Sandstrom, Elizabeth R, Young, Paul, Baker, Steven A, Van Name, Terry, Cathopolous, Robert, Fairman, Julio C, de Paula, Karin S, Akerfeldt   +8 more
openaire   +2 more sources

Designer Self‐Assembling Peptide Materials

Macromolecular Bioscience, 2007
AbstractUnderstanding of macromolecular materials at the molecular level is becoming increasingly important for a new generation of nanomaterials for nanobiotechnology and other disciplines, namely, the design, synthesis, and fabrication of nanodevices at the molecular scale from bottom up.
Xiaojun, Zhao, Shuguang, Zhang
openaire   +2 more sources

Molecular Modeling of Self-Assembling Peptides

ACS Applied Bio Materials, 2023
Peptide epitopes mediate as many as 40% of protein-protein interactions and fulfill signaling, inhibition, and activation roles within the cell. Beyond protein recognition, some peptides can self- or coassemble into stable hydrogels, making them a readily available source of biomaterials.
Stephen J. Jones, Alberto Perez
openaire   +2 more sources

Peptide Synthesis and Self-Assembly

2011
Peptides and proteins are the most diverse building blocks in biomolecular self-assembly in terms of chemistry, nanostructure formation and functionality. Self-assembly is an intrinsic property of peptides. In this chapter, we attempt to address the following issues: How can we synthesize a self-assembling peptide? What are the fundamental physical and
S, Maude, L R, Tai, R P W, Davies, B, Liu, S A, Harris, P J, Kocienski, A, Aggeli   +6 more
openaire   +2 more sources