Article
Chemistry, Multidisciplinary
Adedamola A. Opalade, Imre Labadi, Carlos Gomez-Garcia, Oleksandr Hietsoi, Nikolay Gerasimchuk
Summary: A series of waterless Ni(II) coordination polymers were synthesized by dehydrating hydrated Ni(II) ion complexes and investigating their structural changes.
CRYSTAL GROWTH & DESIGN
(2022)
Article
Chemistry, Inorganic & Nuclear
Sergey V. Timofeev, Olga B. Zhidkova, Kyrill Yu. Suponitsky, Aleksei A. Anisimov, Igor B. Sivaev, Hong Yan, Vladimir I. Bregadze
Summary: A series of novel charge-compensated rhodacarboranes with pyridinium group were synthesized and characterized, including two unusual dirhodacarboranes. The structure of one isomer was determined by single crystal X-ray diffraction.
INORGANICA CHIMICA ACTA
(2021)
Article
Chemistry, Multidisciplinary
Kai Sheng, Ya-Nan Liu, Rakesh Kumar Gupta, Mohamedally Kurmoo, Di Sun
Summary: A novel octanuclear Zn(II) nanocage has been designed and synthesized with reversible photoswitching behavior, showing quick trans-to-cis transformation upon 365 nm light irradiation and slow cis-to-trans reversibility at room temperature. This material can be considered as a molecular pump energized by light, acting as an energy reservoir that absorbs light energy and releases it slowly with time.
SCIENCE CHINA-CHEMISTRY
(2021)
Article
Chemistry, Inorganic & Nuclear
Vishwesh Mishra, Nitish Kumar Sinha, Natesan Thirupathi
Summary: By reacting with Hg(OC(O)CF3)(2), separate reactions of cycloplatinated 2-tolyl- and 2-anisylguanidine complexes yielded a one-dimensional coordination polymer and a discrete tetrametallic complex with different structures and properties. The formation mechanisms and structural characteristics of these products were explained in detail, with important characterization information provided by multinuclear NMR spectroscopy and single-crystal X-ray diffraction studies.
INORGANIC CHEMISTRY
(2021)
Article
Crystallography
Sergey A. Anufriev, Sergey Timofeev, Olga B. Zhidkova, Kyrill Yu Suponitsky, Igor B. Sivaev
Summary: Reaction between ortho-carborane and anhydrous AlCl3 in chloroform produces a mixture of derivatives with different substituents, with 9,12-dichloro-ortho-carborane being the main product. The crystal structure of 9,12-dichloro-ortho-carborane was determined by single crystal X-ray diffraction, and it is nearly isostructural to 9,12-dibromo-ortho-carborane. A synthetic scheme for preparing the hexachloro derivative of cobalt bis(dicarbollide) from 9,12-dichloro-ortho-carborane has been proposed.
Article
Chemistry, Physical
Maykon Alves Lemes, Jose Antnio do Nascimento Neto, Freddy Fernandes Guimaraes, Lauro June Queiroz Maia, Ricardo Costa de Santana, Felipe Terra Martins
Summary: A cadmium coordination polymer able to convert UV radiation into blue light with high efficiency was studied, and a new blue-light emitter based on its structure with Mn2+ was prepared but did not achieve expected efficiency. The high-efficiency brightness of the literature compound was found to be related to the d(10) closed-shell of cadmium.
JOURNAL OF MOLECULAR STRUCTURE
(2021)
Article
Biochemistry & Molecular Biology
Anton Makarenkov, Sergey S. Kiselev, Elena G. Kononova, Fedor M. Dolgushin, Alexander S. Peregudov, Yurii A. Borisov, Valentina A. Ol'shevskaya
Summary: An efficient one-pot synthesis method was developed for carborane-containing high-energy compounds. The synthesis involved exploring carbon-halogen bond functionalization in commercially available 2,4,6-trichloro-1,3,5-triazine. The synthesized compounds were characterized and their properties were studied using density functional theory. The compounds also showed potential for remote detection.
Article
Crystallography
Kyrill Yu. Suponitsky, Alexei A. Anisimov, Sergey A. Anufriev, Igor B. Sivaev, Vladimir I. Bregadze
Summary: The crystal structure of 1,12-diiodo-ortho-carborane was determined using single crystal X-ray diffraction. The crystal packing is governed by intermolecular dihalogen bonds between iodine atoms, characterized by classical parameters.
Article
Polymer Science
Xiang Shi, Pierre-Antoine Albouy, Pascale Launois
Summary: This study presents a different view that the evolution of X-ray patterns reflects changes in crystalline texture rather than polymorphism. This enables a quantitative description of X-ray fiber patterns but also highlights some fundamental structural issues.
Article
Neurosciences
Tongjie Ji, Ying Pang, Meng Cheng, Rui Wang, Xu Chen, Chunyu Zhang, Min Liu, Jing Zhang, Chunlong Zhong
Summary: In this study, it was found that deletion of GCPII can reduce glutamate production, protect neurons from damage, and improve cognitive function, while deletion of GCPIII has no significant neuroprotective effect. In addition, there is no significant difference in the neuroprotective effect between the combination of GCPII and GCPIII deletion and GCPII deletion alone.
CNS NEUROSCIENCE & THERAPEUTICS
(2023)
Article
Chemistry, Physical
Filiz oeztuerk
Summary: A new cadmium(II) complex was synthesized by reacting the nitrogen donor ligand sulfamethox-azole with the ligand 2,2'-bipyridine. The structure of the complex was determined using single-crystal X-ray diffraction. The complex exhibited octahedral geometry with coordination of the Cd(II) ion by monodentate sulfamethoxazole anions and bidentate bipy ligands. Theoretical calculations and experimental data confirmed the agreement of observed and calculated IR frequencies. The intermolecular interactions within the crystal structure and the thermal behavior of the compound were further studied.
JOURNAL OF MOLECULAR STRUCTURE
(2023)
Article
Chemistry, Physical
Richa, Sunil Kumar, Jayant Sindhu, Poonam Choudhary, Sundeep Jaglan, Ennio Zangrando, Rakesh Kumar, Subash C. Sahoo, Vinod Kumar, Surinder K. Mehta, Ramesh Kataria
Summary: A copper (II) complex with a novel ligand possessing antibacterial activity was synthesized and characterized in this study. The crystal structure and chemical properties of the complex were analyzed, revealing its potential applications in pathogenic Gram-positive and Gram-negative bacteria.
JOURNAL OF MOLECULAR STRUCTURE
(2021)
Article
Chemistry, Physical
Brina Dojer, Amalija Golobic, Nejc Babic, Zvonko Jaglicic, Matjaz Kristl
Summary: Two new mononuclear complexes of iron(II) pyridinecarboxamides have been synthesized and characterized. The X-ray diffraction analysis, magnetic measurements, and FT-IR spectroscopy revealed their structural and magnetic properties.
JOURNAL OF MOLECULAR STRUCTURE
(2022)
Article
Chemistry, Inorganic & Nuclear
Li-Cheng Song, Yin-Peng Wang, Yi-Xiong Dong, Xi-Yue Yang
Summary: A series of new biomimetics for the active site of [NiFe]-H(2)ases have been prepared using various synthetic methods. These biomimetics can catalyze proton reduction to generate hydrogen and undergo a range of chemical reactions.
DALTON TRANSACTIONS
(2023)
Article
Biochemistry & Molecular Biology
Eva A. Enyedy, Tatsiana Petrasheuskaya, Marton A. Kiss, Debora Wernitznig, Dominik Wenisch, Bernhard K. Keppler, Gabriella Spengler, Nora May, Eva Frank, Orsolya Domotor
Summary: The study investigated the solution chemical properties and biological activities of a novel tridentate salicyaldehyde semicarbazoneestrone hybrid and a related bicyclic compound. The compounds showed relatively high stability, efficient gallium binding, significant cytotoxicity against cancer cells, and dissociation at physiological pH.
JOURNAL OF INORGANIC BIOCHEMISTRY
(2021)
Review
Biochemistry & Molecular Biology
Shinyoung Lee, Hyunsoo Ha, Jaebong Jang, Youngjoo Byun
Summary: The activation of the P2X7 receptor (P2X7R) by elevated levels of extracellular ATP (eATP) in the brain is associated with neuroinflammation, which plays a role in depression. Therefore, targeting P2X7R has become an attractive approach for developing novel antidepressant agents. Several CNS-penetrating P2RX7 antagonists have been developed by multinational pharmaceutical companies and evaluated in clinical trials. This review summarizes the recent progress in the development of P2X7R antagonists for depression treatment.
CURRENT MEDICINAL CHEMISTRY
(2023)
Article
Biochemistry & Molecular Biology
Shivam Shukla, Jan Komarek, Zora Novakova, Jana Nedvedova, Kseniya Ustinova, Pavla Vankova, Alan Kadek, Charlotte Uetrecht, Haydyn Mertens, Cyril Barinka
Summary: This study provides the first insights into the full-length structure of human HDAC6, showing that it is a mosaic of folded and intrinsically disordered domains and adopts an ensemble of conformations in solution. Furthermore, HDAC6 can form dimers/higher oligomers mediated by its positively charged N-terminal microtubule-binding domain.
Article
Biochemistry & Molecular Biology
Yu-Ying Chen, Si Chen, Kiwon Ok, Francesca E. Duncan, Thomas V. O'Halloran, Teresa K. Woodruff
Summary: By using various techniques, such as single cell X-ray fluorescence microscopy and radioactive zinc tracer, this study reveals an increase in zinc content in oocytes during early follicle growth which is correlated with the expression of specific zinc transporters. Moreover, it is found that somatic survival and proliferation are more sensitive to changes in zinc availability compared to oocytes. Overall, these findings indicate the importance of cell type-specific zinc regulations in early follicle development and suggest that zinc plays fundamental roles in early gamete development.
JOURNAL OF BIOLOGICAL CHEMISTRY
(2023)
Article
Food Science & Technology
Le Ba Vinh, Yoo Kyong Han, Si Young Park, Young Jun Kim, Nguyen Viet Phong, Eunji Kim, Bong-geun Ahn, Yong Woo Jung, Youngjoo Byun, Young Ho Jeon, Ki Yong Lee
Summary: In our research, we discovered that an ethanol extract from the roots of Astragalus membranaceus has a significant inhibitory effect on interleukin-33 (IL-33), suggesting potential pharmacological anti-allergic effects.
JOURNAL OF FUNCTIONAL FOODS
(2023)
Article
Geriatrics & Gerontology
Myeong Uk Kuk, Haneur Lee, Eun Seon Song, Yun Haeng Lee, Ji Yun Park, Subin Jeong, Hyung Wook Kwon, Youngjoo Byun, Sang Chul Park, Joon Tae Park
Summary: Senescence is caused by alterations in cellular organelles and is the primary cause of aging and aging-related diseases. Recent studies have revealed that oncogene-induced senescence is driven by activation of serine/threonine protein kinases (AKT1, AKT2, and AKT3). In this study, GDC0068 was found to have a senescence-ameliorating effect by restoring lysosomal and mitochondrial function through modulation of AKT activity.
EXPERIMENTAL GERONTOLOGY
(2023)
Article
Biochemistry & Molecular Biology
Jakub Ptacek, Ivan Snajdr, Jiri Schimer, Zsofia Kutil, Jana Mikesova, Petra Baranova, Barbora Havlinova, Werner Tueckmantel, Pavel Majer, Alan Kozikowski, Cyril Barinka
Summary: This article compares hydroxamate-based HDAC6-selective inhibitors commonly used in the treatment of neurological and psychiatric disorders with a novel HDAC6 inhibitor containing the difluoromethyl-1,3,4-oxadiazole function (compound 7). In vitro screening revealed HDAC10 as a primary off-target for hydroxamate-based HDAC6 inhibitors, while compound 7 showed exquisite selectivity over all other HDAC isoforms. Cell-based assays showed lower potency for all compounds when using tubulin acetylation as a surrogate readout. Additionally, the limited selectivity of some HDAC6 inhibitors was shown to be linked to cytotoxicity in RPMI-8226 cells.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Biochemistry & Molecular Biology
Matthes Zessin, Marat Meleshin, Sebastian Hilscher, Cordelia Schiene-Fischer, Cyril Barinka, Manfred Jung, Mike Schutkowski
Summary: Lysine deacetylases, including HDACs and SIRTs, are involved in various regulatory processes. SIRT2 and SIRT3 not only exhibit deacetylase activity but also demyristoylase activity. We introduced sirtuin substrates that allow direct fluorescence-based assays in a continuous format, enabling improved detection and determination of kinetic constants and inhibitor values.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Biochemical Research Methods
Jakub Svoboda, Daniel Berdar, Petr Kolenko, Jiri Cerny, Zora NovaKova, Jiri Pavlicek, Bohdan Schneider
Summary: Nine new crystal structures of CG-rich DNA 18-mers related to bacterial repetitive extragenic palindromes are reported. Mutations of the central XZ dinucleotide in the 18-mers showed complex behavior in solution, but the successfully crystallized 18-mers were all A-form duplexes. The refinement protocol used the geometries of dinucleotide conformer classes as restraints and can be adapted to other low-resolution data.
ACTA CRYSTALLOGRAPHICA SECTION D-STRUCTURAL BIOLOGY
(2023)
Article
Biochemistry & Molecular Biology
Hyeon Jeong Lee, Cheol Ryong Ku, Arthur Cho, TaeHo Cho, ChaeEun Lee, Chan Woo Kang, Daham Kim, Yoon Hee Cho, JaeHyung Koo, Eun Jig Lee
Summary: By studying the expression of odorant receptor signals and the presence of olfactory marker protein in parafollicular C-cells, researchers have found that OR51E2 may be a novel diagnostic and therapeutic target for medullary thyroid cancer.
Article
Biochemistry & Molecular Biology
Lucia Motlova, Ivan Snajdr, Zsofia Kutil, Erik Andris, Jakub Ptacek, Adela Novotna, Zora Novakova, Barbora Havlinova, Werner Tueckmantel, Helena Draberova, Pavel Majer, Mike Schutkowski, Alan Kozikowski, Lubomir Rulisek, Cyril Barinka
Summary: This study reports on the synthesis and characterization of a series of oxadiazole-based inhibitors selectively targeting the HDAC6 isoform. Surprisingly, hydrolysis of the oxadiazole ring transforms it into an acylhydrazide, and the computed data support the proposed reaction mechanism.
ACS CHEMICAL BIOLOGY
(2023)
Article
Chemistry, Medicinal
Gargi Das, Jakub Ptacek, Barbora Havlinova, Jana Nedvedova, Cyril Barinka, Zora Novakova
Summary: Prostate cancer is the leading cause of cancer-related deaths in men worldwide. Prostate-specific membrane antigen (PSMA) is currently the most prominent biomarker for prostate cancer and targeting PSMA has shown high efficacy in both imaging and therapy. Researchers have engineered and characterized a bispecific T-cell engager (BiTE) that enables host T lymphocytes to target PSMA-positive tumor cells. Their findings demonstrate the potential of the 5D3-alpha CD3 BiTE as an immuno-therapeutic modality for prostate cancer treatment.
ACS PHARMACOLOGY & TRANSLATIONAL SCIENCE
(2023)
Article
Allergy
Seung Won Lee, Hayeon Kim, Youngjoo Byun, Yoo Sang Baek, Cheol Ung Choi, Jae Hyun Kim, Kyungim Kim
Summary: This study examined the association between newly diagnosed atopic dermatitis (AD) in adults and subsequent cardiovascular diseases (CVDs). The results indicated that AD was associated with an increased risk of angina pectoris, myocardial infarction, ischemic and hemorrhagic stroke.
ALLERGY ASTHMA & IMMUNOLOGY RESEARCH
(2023)
Article
Biochemistry & Molecular Biology
Yu Sun Jeong, Sunghyun Huh, Ji Cheol Kim, Ji Ye Park, ChaeEun Lee, Min-Sik Kim, JaeHyung Koo, Yoe-Sik Bae
Summary: In this study, a metabolite called 2-undecanone derived from P. aeruginosa was found to regulate neutrophil activities. While 2-undecanone activated neutrophils, it also inhibited their response to P. aeruginosa by inducing apoptosis. This suggests that P. aeruginosa produces inhibitory metabolites as a strategy to evade the host immune system.
Article
Biochemistry & Molecular Biology
Ju Hun Oh, Ye Eon Han, Ya Ru Bao, Chan Woo Kang, JaeHyung Koo, Cheol Ryong Ku, Yoon Hee Cho, Eun Jig Lee
Summary: The involvement of smell receptors in regulating blood sugar and the release of glucagon suggests that targeting olfactory receptor signaling in the pancreas could potentially reduce excessive glucagon activity, which is associated with diseases such as type 2 diabetes.
EXPERIMENTAL AND MOLECULAR MEDICINE
(2022)
Review
Biochemistry & Molecular Biology
Chan Chung, Hee Jin Cho, ChaeEun Lee, JaeHyung Koo
Summary: This review discusses the expression of ORs receptors in various types of cancer and their association with signaling mechanisms. Analysis of gene expression data in cancer patients suggests that ORs receptors may serve as cancer biomarkers and therapeutic targets.
Article
Chemistry, Medicinal
Shibin Zhao, Julian Maceren, Mia Chung, Samantha Stone, Raphael Geiben, Melissa L. Boby, Bradley S. Sherborne, Derek S. Tan
Summary: Antibiotic resistance is a major threat to public health, with Gram-negative bacteria presenting unique challenges due to their low permeability and efflux pumps. Limited understanding of the chemical rules for overcoming these barriers hinders antibacterial drug discovery. Efforts to address this issue, such as screening compound libraries and using cheminformatic analysis, have led to the design of sulfamidoadenosines with diverse substituents, showing potential utility in accumulation in Escherichia coli.
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
(2024)
Article
Chemistry, Medicinal
Jichun Li, Qing Li, Shuai Xia, Jiahuang Tu, Longbo Zheng, Qian Wang, Shibo Jiang, Chao Wang
Summary: This study successfully developed a short peptide mimetic as a MERS-CoV fusion inhibitor by reproducing the key recognition features of the HR2 helix. The resulting 23-mer lipopeptide showed comparable inhibitory effect to the 36-mer HR2 peptide HR2P-M2. This has important implications for developing short peptide-based antiviral agents to treat MERS-CoV infection.
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
(2024)
Article
Chemistry, Medicinal
Krista Jaunsleine, Linda Supe, Jana Spura, Sten van Beek, Anna Sandstrom, Jessica Olsen, Carina Halleskog, Tore Bengtsson, Ilga Mutule, Benjamin Pelcman
Summary: Beta(2)-adrenergic receptor agonists can stimulate glucose uptake by skeletal muscle cells and are therefore potential treatments for type 2 diabetes. The chirality of compounds has a significant impact on the activity of these agonists. This study found that certain synthesized compounds showed higher glucose uptake activity. These findings provide important information for the design of novel beta(2)AR agonists for T2D treatment.
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
(2024)
Article
Chemistry, Medicinal
Xin Xu, Jia Chen, Guan Wang, Xiaojuan Zhang, Qiang Li, Xiaobo Zhou, Fengying Guo, Min Li
Summary: The study focuses on EZH2, a promising therapeutic target for various types of cancers. Researchers designed and synthesized a series of novel derivatives aiming to enhance the EZH2 inhibition activity. Among them, compound 28 displayed potent EZH2 inhibition activity and showed high anti-proliferative effects in lymphoma cell lines and xenograft mouse models. The study suggests that compound 28 has potential as a therapeutic candidate for EZH2-associated cancers.
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
(2024)
Article
Chemistry, Medicinal
Wei Zhang, Wei Liu, Ya-Dong Zhao, Li-Zi Xing, Ji Xu, Rui-Jun Li, Yun-Xiao Zhang
Summary: This study developed a series of aromatic amide derivatives based on Rhein and investigated their inhibitory activity against alpha-Syn aggregation. Two of these compounds showed promising potential in treating Parkinson's disease by stabilizing alpha-Syn's conformation and disassembling alpha-Syn oligomers and fibrils.
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
(2024)
Article
Chemistry, Medicinal
Mani Sharma, S. S. S. S. Sudha Ambadipudi, Neeraj Kumar Chouhan, V. Lakshma Nayak, Srihari Pabbaraja, Sai Balaji Andugulapati, Ramakrishna Sistla
Summary: Therapeutically active lipids in drug delivery systems can enhance the safety and efficacy of treatment. The liposome formulation created using synthesized biologically active lipids showed additive anti-cancer effects and reduced tumorigenic potential.
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
(2024)
