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Schwartzman JD, McCall M, Ghattas Y, Pugazhendhi AS, Wei F, Ngo C, Ruiz J, Seal S, Coathup MJ. Multifunctional scaffolds for bone repair following age-related biological decline: Promising prospects for smart biomaterial-driven technologies. Biomaterials 2024; 311:122683. [PMID: 38954959 DOI: 10.1016/j.biomaterials.2024.122683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 06/09/2024] [Accepted: 06/23/2024] [Indexed: 07/04/2024]
Abstract
The repair of large bone defects due to trauma, disease, and infection can be exceptionally challenging in the elderly. Despite best clinical practice, bone regeneration within contemporary, surgically implanted synthetic scaffolds is often problematic, inconsistent, and insufficient where additional osteobiological support is required to restore bone. Emergent smart multifunctional biomaterials may drive important and dynamic cellular crosstalk that directly targets, signals, stimulates, and promotes an innate bone repair response following age-related biological decline and when in the presence of disease or infection. However, their role remains largely undetermined. By highlighting their mechanism/s and mode/s of action, this review spotlights smart technologies that favorably align in their conceivable ability to directly target and enhance bone repair and thus are highly promising for future discovery for use in the elderly. The four degrees of interactive scaffold smartness are presented, with a focus on bioactive, bioresponsive, and the yet-to-be-developed autonomous scaffold activity. Further, cell- and biomolecular-assisted approaches were excluded, allowing for contemporary examination of the capabilities, demands, vision, and future requisites of next-generation biomaterial-induced technologies only. Data strongly supports that smart scaffolds hold significant promise in the promotion of bone repair in patients with a reduced osteobiological response. Importantly, many techniques have yet to be tested in preclinical models of aging. Thus, greater clarity on their proficiency to counteract the many unresolved challenges within the scope of aging bone is highly warranted and is arguably the next frontier in the field. This review demonstrates that the use of multifunctional smart synthetic scaffolds with an engineered strategy to circumvent the biological insufficiencies associated with aging bone is a viable route for achieving next-generation therapeutic success in the elderly population.
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Affiliation(s)
| | - Max McCall
- College of Medicine, University of Central Florida, Orlando, FL, USA
| | - Yasmine Ghattas
- College of Medicine, University of Central Florida, Orlando, FL, USA
| | - Abinaya Sindu Pugazhendhi
- College of Medicine, University of Central Florida, Orlando, FL, USA; Biionix Cluster, University of Central Florida, Orlando, FL, USA
| | - Fei Wei
- College of Medicine, University of Central Florida, Orlando, FL, USA; Biionix Cluster, University of Central Florida, Orlando, FL, USA
| | - Christopher Ngo
- College of Medicine, University of Central Florida, Orlando, FL, USA; Biionix Cluster, University of Central Florida, Orlando, FL, USA
| | - Jonathan Ruiz
- College of Medicine, University of Central Florida, Orlando, FL, USA
| | - Sudipta Seal
- College of Medicine, University of Central Florida, Orlando, FL, USA; Biionix Cluster, University of Central Florida, Orlando, FL, USA; Advanced Materials Processing and Analysis Centre, Nanoscience Technology Center (NSTC), Materials Science and Engineering, College of Medicine, University of Central Florida, USA, Orlando, FL
| | - Melanie J Coathup
- College of Medicine, University of Central Florida, Orlando, FL, USA; Biionix Cluster, University of Central Florida, Orlando, FL, USA.
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Choudhary BS, Kumar TA, Vashishtha A, Tejasri S, Kumar AS, Agarwal R, Chakrapani H. An esterase-cleavable persulfide donor with no electrophilic byproducts and a fluorescence reporter. Chem Commun (Camb) 2024; 60:1727-1730. [PMID: 38240148 DOI: 10.1039/d3cc04948e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
Hydrogen sulfide (H2S) and associated sulfur species known as persulfide or sulfane sulfur are considered among the first responders to oxidative stress. However, tools that reliably generate these species without any potentially toxic byproducts are limited, and even fewer report the generation of a persulfide. Here, using a latent fluorophore embedded with N-acetylcysteine persulfide, we report a new tool that is cleaved by esterase to produce a persulfide as well as a fluorescence reporter without any electrophilic byproducts. The rate of formation of the fluorescence reporter is nearly identical to the rate of formation of the persulfide suggesting that the use of this probe eliminates the need for secondary assays that report persulfide formation. Symptomatic with persulfide generation, the newly developed donor was able to protect chondrocyte cells from oxidative stress.
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Affiliation(s)
- Bharat S Choudhary
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Pune 411 008, Maharashtra, India.
| | - T Anand Kumar
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Pune 411 008, Maharashtra, India.
| | - Akshi Vashishtha
- Department of Bioengineering, Indian Institute of Science, Bengaluru 560 012, Karnataka, India
| | - Sushma Tejasri
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Pune 411 008, Maharashtra, India.
| | - Amal S Kumar
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Pune 411 008, Maharashtra, India.
| | - Rachit Agarwal
- Department of Bioengineering, Indian Institute of Science, Bengaluru 560 012, Karnataka, India
| | - Harinath Chakrapani
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Pune 411 008, Maharashtra, India.
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3
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Guo F, Qin S, Liu Z, Chen PR, Fan X. Decaging-to-labeling: Development and investigation of quinone methide warhead for protein labeling. Bioorg Chem 2024; 143:107088. [PMID: 38194902 DOI: 10.1016/j.bioorg.2023.107088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/28/2023] [Accepted: 12/30/2023] [Indexed: 01/11/2024]
Abstract
Biomolecule labeling in living systems is crucial for understanding biological processes and discovering therapeutic targets. A variety of labeling warheads have been developed for multiple biological applications, including proteomics, bioimaging, sequencing, and drug development. Quinone methides (QMs), a class of highly reactive Michael receptors, have recently emerged as prominent warheads for on-demand biomolecule labeling. Their highly flexible functionality and tunability allow for diverse biological applications, but remain poorly explored at present. In this regard, we designed, synthesized, and evaluated a series of new QM probes with a trifluoromethyl group at the benzyl position and substituents on the aromatic ring to manipulate their chemical properties for biomolecule labeling. The engineered QM warhead efficiently labeled proteins both in vitro and under living cell conditions, with significantly enhanced activity compared to previous QM warheads. We further analyzed the labeling efficacy with the assistance of density functional theory (DFT) calculations, which revealed that the QM generation process, rather than the reactivity of QM, contributes more predominantly to the labeling efficacy. Noteworthy, twelve nucleophilic residues on the BSA were labeled by the probe, including Cys, Asp, Glu, His, Lys, Asn, Gln, Arg, Ser, Thr, Trp and Tyr. Given their high efficiency and tunability, these new QM warheads may hold great promise for a broad range of applications, especially spatiotemporal proteomic profiling for in-depth biological studies.
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Affiliation(s)
- Fuhu Guo
- Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Shengnan Qin
- Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Ziqi Liu
- Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China
| | - Peng R Chen
- Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China; Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China.
| | - Xinyuan Fan
- Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China; Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China.
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4
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Deng YH, Xu WL, Wang L, Tang CY, Fu JY, Zhang CB. Regio- and diastereoselective synthesis of diverse spirocyclic indenes by cyclization with indene-dienes as two carbon building blocks. Org Biomol Chem 2023; 21:6681-6686. [PMID: 37540130 DOI: 10.1039/d3ob00982c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/05/2023]
Abstract
We report a base-promoted cyclization with indene-dienes as two carbon building blocks toward diverse spirocyclic indene scaffolds including hexacyclic spiroindenes bearing benzo pyran motifs and pentacyclic spiroindenes containing oxindole units in high yields with excellent diastereoselectivities.
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Affiliation(s)
- Yi-Hang Deng
- Henan Engineering Research Center of Functional Materials and Catalytic Reaction, College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, China.
| | - Wen-Li Xu
- Henan Engineering Research Center of Functional Materials and Catalytic Reaction, College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, China.
| | - Lei Wang
- Henan Engineering Research Center of Functional Materials and Catalytic Reaction, College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, China.
| | - Cheng-Yang Tang
- Henan Engineering Research Center of Functional Materials and Catalytic Reaction, College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, China.
| | - Ji-Ya Fu
- Henan Engineering Research Center of Functional Materials and Catalytic Reaction, College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, China.
| | - Chuan-Bao Zhang
- Henan Engineering Research Center of Functional Materials and Catalytic Reaction, College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, China.
- School of Pharmacy, Zhengzhou Railway Vocational & Technical College, Zhengzhou 450052, China.
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Ali K, Panda G. Transition-Metal-Free Multicomponent Approach to the Regioselective Synthesis of Highly Substituted N-Alkylpyrazoles. Chem Asian J 2023; 18:e202201129. [PMID: 36585904 DOI: 10.1002/asia.202201129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 12/22/2022] [Accepted: 12/28/2022] [Indexed: 01/01/2023]
Abstract
An efficient transition-metal-free multicomponent approach to the regioselective synthesis of highly substituted N-alkylpyrazoles through 1,6-addition of pyrazole (in situ generated from α,β-unsaturated aldehyde and hydrazide) to para-Quinone Methides has been developed. The N-alkylpyrazole containing triarylmethanes having several heteroaryl rings (quinoline, pyridine, thiophene) at the central methine carbon atom was developed. This chemical process may be used for large-scale synthesis and provides a novel way to produce triarylmethanes with diverse functional groups.
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Affiliation(s)
- Kasim Ali
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute, Sector 10, Jankipuram Extension, Lucknow, 226031, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India
| | - Gautam Panda
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute, Sector 10, Jankipuram Extension, Lucknow, 226031, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India
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Rossi FM, McBee DP, Trybala TN, Hulsey ZN, Gonzalez Curbelo C, Mazur W, Baccile JA. Membrane Permeant Analogs for Independent Cellular Introduction of the Terpene Precursors Isopentenyl- and Dimethylallyl-Pyrophosphate. Chembiochem 2023; 24:e202200512. [PMID: 36354788 DOI: 10.1002/cbic.202200512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 11/09/2022] [Indexed: 11/12/2022]
Abstract
Isopentenyl pyrophosphate (IPP) and dimethylallyl pyrophosphate (DMAPP) are the central five-carbon precursors to all terpenes. Despite their significance, exogenous, independent delivery of IPP and DMAPP to cells is impossible as the negatively charged pyrophosphate makes these molecules membrane impermeant. Herein, we demonstrate a facile method to circumvent this challenge through esterification of the β-phosphate with two self-immolative esters (SIEs) that neutralize the negatively charged pyrophosphate to yield membrane-permeant analogs of IPP and DMAPP. Following cellular incorporation, general esterase activity initiates cleavage of the SIEs, resulting in traceless release of IPP and DMAPP for metabolic utilization. Addition of the synthesized IPP and DMAPP precursor analogs rescued cell growth of glioblastoma (U-87MG) cancer cells concurrently treated with the HMG-CoA reductase inhibitor pitavastatin, which otherwise abrogates cell growth via blocking production of IPP and DMAPP. This work demonstrates a new application of a prodrug strategy to incorporate a metabolic intermediate and promises to enable future interrogation of the distinct biological roles of IPP and DMAPP.
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Affiliation(s)
- Francis M Rossi
- Department of Chemistry, University of Tennessee, Knoxville, TN, USA.,Department of Chemistry SUNY Cortland, Cortland, NY, USA
| | - Dillon P McBee
- Department of Chemistry, University of Tennessee, Knoxville, TN, USA
| | - Thomas N Trybala
- Department of Chemistry, University of Tennessee, Knoxville, TN, USA
| | - Zackary N Hulsey
- Department of Chemistry, University of Tennessee, Knoxville, TN, USA
| | | | - William Mazur
- Department of Chemistry, University of Tennessee, Knoxville, TN, USA
| | - Joshua A Baccile
- Department of Chemistry, University of Tennessee, Knoxville, TN, USA
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Happy S, Junaid M, Yadagiri D. Reactivity of quinone methides with carbenes generated from α-diazocarbonyl compounds and related compounds. Chem Commun (Camb) 2022; 59:29-42. [PMID: 36484325 DOI: 10.1039/d2cc05623b] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Over the years, quinone methides have broadly been applied in synthesis and biological systems for synthesizing heterocyclic compounds and biologically active molecules. In this feature article, we have discussed the novel and uncovered reactivity of o-quinone methides, p-quinone methides, aza-o-quinone methides, and indolyl-2-methides with carbenes generated from α-diazocarbonyl compounds and related compounds. Two in situ-generated transient intermediates undergo cycloannulation reactions, metathesis-type reactions, 1,6-conjugate addition reactions, cyclopropanation reactions, and many other transformations to access nitrogen- and oxygen-containing heterocyclic compounds and beyond. The reactivity of quinone methides and carbenes is observed in various metal catalysts, Brønsted-acids, Lewis acids, phase transfer catalysts, additives, and visible-light-induced transformations.
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Affiliation(s)
- Sharma Happy
- Department of Chemistry, Laboratory of Organic Synthesis & Catalysis, Indian Institute of Technology Roorkee, Roorkee-247667, Uttarakhand, India.
| | - Mohammad Junaid
- Department of Chemistry, Laboratory of Organic Synthesis & Catalysis, Indian Institute of Technology Roorkee, Roorkee-247667, Uttarakhand, India.
| | - Dongari Yadagiri
- Department of Chemistry, Laboratory of Organic Synthesis & Catalysis, Indian Institute of Technology Roorkee, Roorkee-247667, Uttarakhand, India.
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8
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Hu Q, Xiong Y, Zhu G, Zhang Y, Zhang Y, Huang P, Ge G. The SARS-CoV-2 main protease (M pro): Structure, function, and emerging therapies for COVID-19. MedComm (Beijing) 2022; 3:e151. [PMID: 35845352 PMCID: PMC9283855 DOI: 10.1002/mco2.151] [Citation(s) in RCA: 70] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 06/06/2022] [Accepted: 06/06/2022] [Indexed: 12/21/2022] Open
Abstract
The main proteases (Mpro), also termed 3-chymotrypsin-like proteases (3CLpro), are a class of highly conserved cysteine hydrolases in β-coronaviruses. Increasing evidence has demonstrated that 3CLpros play an indispensable role in viral replication and have been recognized as key targets for preventing and treating coronavirus-caused infectious diseases, including COVID-19. This review is focused on the structural features and biological function of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) main protease Mpro (also known as 3CLpro), as well as recent advances in discovering and developing SARS-CoV-2 3CLpro inhibitors. To better understand the characteristics of SARS-CoV-2 3CLpro inhibitors, the inhibition activities, inhibitory mechanisms, and key structural features of various 3CLpro inhibitors (including marketed drugs, peptidomimetic, and non-peptidomimetic synthetic compounds, as well as natural compounds and their derivatives) are summarized comprehensively. Meanwhile, the challenges in this field are highlighted, while future directions for designing and developing efficacious 3CLpro inhibitors as novel anti-coronavirus therapies are also proposed. Collectively, all information and knowledge presented here are very helpful for understanding the structural features and inhibitory mechanisms of SARS-CoV-2 3CLpro inhibitors, which offers new insights or inspiration to medicinal chemists for designing and developing more efficacious 3CLpro inhibitors as novel anti-coronavirus agents.
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Affiliation(s)
- Qing Hu
- Shanghai Frontiers Science Center of TCM Chemical BiologyInstitute of Interdisciplinary Integrative Medicine ResearchShanghai University of Traditional Chinese MedicineShanghaiChina
- Clinical Pharmacy CenterCancer CenterDepartment of PharmacyZhejiang Provincial People's HospitalAffiliated People's HospitalHangzhou Medical College, HangzhouZhejiangChina
| | - Yuan Xiong
- Shanghai Frontiers Science Center of TCM Chemical BiologyInstitute of Interdisciplinary Integrative Medicine ResearchShanghai University of Traditional Chinese MedicineShanghaiChina
| | - Guang‐Hao Zhu
- Shanghai Frontiers Science Center of TCM Chemical BiologyInstitute of Interdisciplinary Integrative Medicine ResearchShanghai University of Traditional Chinese MedicineShanghaiChina
| | - Ya‐Ni Zhang
- Shanghai Frontiers Science Center of TCM Chemical BiologyInstitute of Interdisciplinary Integrative Medicine ResearchShanghai University of Traditional Chinese MedicineShanghaiChina
| | - Yi‐Wen Zhang
- Clinical Pharmacy CenterCancer CenterDepartment of PharmacyZhejiang Provincial People's HospitalAffiliated People's HospitalHangzhou Medical College, HangzhouZhejiangChina
| | - Ping Huang
- Clinical Pharmacy CenterCancer CenterDepartment of PharmacyZhejiang Provincial People's HospitalAffiliated People's HospitalHangzhou Medical College, HangzhouZhejiangChina
| | - Guang‐Bo Ge
- Shanghai Frontiers Science Center of TCM Chemical BiologyInstitute of Interdisciplinary Integrative Medicine ResearchShanghai University of Traditional Chinese MedicineShanghaiChina
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