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Zafar A, Iqbal MA, Iram G, Shoukat US, Jamil F, Saleem M, Yousif M, Abidin ZU, Asad M. Advances in organocatalyzed synthesis of organic compounds. RSC Adv 2024; 14:20365-20389. [PMID: 38919284 PMCID: PMC11197984 DOI: 10.1039/d4ra03046j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Accepted: 06/17/2024] [Indexed: 06/27/2024] Open
Abstract
The recent advancements in utilizing organocatalysts for the synthesis of organic compounds have been described in this review by focusing on their simplicity, effectiveness, reproducibility, and high selectivity which lead to excellent product yields. The organocatalytic methods for various derivatives, such as indoles, pyrazolones, anthrone-functionalized benzylic amines, maleimide, polyester, phthalimides, dihydropyrimidin, heteroaryls, N-aryl benzimidazoles, stilbenoids, quinazolines, quinolines, and oxazolidinones have been specifically focused. The review provides more understanding by delving into potential reaction mechanisms. We anticipate that this collection of data and findings on successful synthesis of diverse compound derivatives will serve as valuable resources and stimulating current and future research efforts in organocatalysis and industrial chemistry.
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Affiliation(s)
- Ayesha Zafar
- Department of Chemistry, University of Agriculture Faisalabad Faisalabad-38000 Pakistan
| | - Muhammad Adnan Iqbal
- Department of Chemistry, University of Agriculture Faisalabad Faisalabad-38000 Pakistan
- Organometallic and Coordination Chemistry Laboratory, Department of Chemistry, University of Agriculture Faisalabad Faisalabad-38000 Pakistan
| | - Ghazala Iram
- Department of Chemistry, University of Agriculture Faisalabad Faisalabad-38000 Pakistan
| | - Umar Sohail Shoukat
- Department of Chemistry, University of Agriculture Faisalabad Faisalabad-38000 Pakistan
| | - Faisal Jamil
- Department of Chemistry, University of Agriculture Faisalabad Faisalabad-38000 Pakistan
| | - Muhammad Saleem
- Department of Basic and Applied Chemistry, Faculty of Sciences and Technology, University of Central Punjab Lahore Pakistan
| | - Muhammad Yousif
- Department of Chemistry, University of Agriculture Faisalabad Faisalabad-38000 Pakistan
| | - Zain Ul Abidin
- Department of Chemistry, University of Agriculture Faisalabad Faisalabad-38000 Pakistan
| | - Mohammad Asad
- Center of Excellence for Advanced Materials Research (CEAMR), King Abdulaziz University P.O. Box 80203 Jeddah 21589 Saudi Arabia
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Bano S, Nadeem H, Zulfiqar I, Shahzadi T, Anwar T, Bukhari A, Masaud SM. Synthesis and anti-inflammatory activity of benzimidazole derivatives; an in vitro, in vivo and in silico approach. Heliyon 2024; 10:e30102. [PMID: 38726192 PMCID: PMC11078874 DOI: 10.1016/j.heliyon.2024.e30102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 04/18/2024] [Accepted: 04/19/2024] [Indexed: 05/12/2024] Open
Abstract
Many non-steroidal anti-inflammatory drugs (NSAIDs) concurrently inhibit both COX-1 and COX-2, with a preference for specifically targeting COX-2 due to its significant involvement in various pathologies. In addition to COX enzymes, several other targets, including Aldose reductase, Aldo-ketoreductase family 1-member C2, and Phospholipase A2, have been identified as contributors to inflammation and a myriad of other diseases. In this context, a series of 2-substituted benzimidazole derivatives was synthesized and assessed for their anti-inflammatory potential through both in vitro and in vivo assays. Molecular docking studies were conducted to elucidate the mechanism of action of these compounds against COX enzymes and other therapeutic targets associated with NSAIDs, such as Aldose reductase, AIKRC, and Phospholipase A2. Among the synthesized compounds, B2, B4, B7, and B8 demonstrated IC50 values lower than the standard ibuprofen, as determined by the Luminol-enhanced chemiluminescence assay. Validation of these findings was achieved through an in vivo carrageenan-induced mice paw edema model, confirming a comparable anti-inflammatory effect to diclofenac sodium observed in vitro. Notably, these compounds exhibited significant binding affinity with all therapeutic targets investigated in this study. These results suggest that the newly synthesized derivatives possess noteworthy anti-inflammatory potential, warranting further exploration for the development of novel multi-targeting inhibitors.
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Affiliation(s)
- Shaher Bano
- Department of Pharmaceutical Chemistry, Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | - Humaira Nadeem
- Department of Pharmaceutical Chemistry, Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | - Iqra Zulfiqar
- Department of Pharmaceutical Chemistry, Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | - Tamseela Shahzadi
- Department of Pharmaceutical Chemistry, Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | - Tayyaba Anwar
- Department of Pharmaceutical Chemistry, Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | - Asma Bukhari
- Department of Pharmaceutical Chemistry, Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | - Syed Muzzammil Masaud
- Department of Pharmaceutical Chemistry, Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
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Almoyad MAA, Alsayari A, Wahab S, Chandra S. Hematopoietic cell kinase as a nexus for drug repurposing: implications for cancer and HIV therapy. J Biomol Struct Dyn 2024:1-11. [PMID: 38529911 DOI: 10.1080/07391102.2024.2331092] [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: 01/10/2024] [Accepted: 03/10/2024] [Indexed: 03/27/2024]
Abstract
Hematopoietic cell kinase (HCK) has emerged as a potential target for therapeutic intervention in cancer and HIV infection because of its critical role in critical signaling pathways. Repurposing FDA-approved drugs offers an efficient strategy to identify new treatment options. Here, we address the need for novel therapies in cancer and HIV by investigating the potential of repurposed drugs against HCK. Our goal was to identify promising drug candidates with high binding affinities and specific interactions within the HCK binding pocket. We employed an integrated computational approach combining molecular docking and extensive molecular dynamics (MD) simulations. Initially, we analyzed the binding affinities and interaction patterns of a library of FDA-approved drugs sourced from DrugBank. After careful analysis, we focused on two compounds, Nilotinib and Radotinib, which exhibit exceptional binding affinities and specificity to the HCK binding pocket, including the active site. Additionally, we assessed the pharmacological properties of Nilotinib and Radotinib, making them attractive candidates for further drug development. Extensive all-atom MD simulations spanning 200 nanoseconds (ns) elucidated the conformational dynamics and stability of the HCK-Nilotinib and HCK-Radotinib complexes. These simulations demonstrate the robustness of these complexes over extended timescales. Our findings highlighted the potential of Nilotinib and Radotinib as promising candidates against HCK that offer valuable insights into their binding mechanisms. This computational approach provides a comprehensive understanding of drug interactions with HCK and sets the stage for future experimental validation and drug development endeavors.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Mohammad Ali Abdullah Almoyad
- Department of Basic Medical Sciences, College of Applied Medical Sciences, King Khalid University, Khamis Mushyt, Saudi Arabia
| | - Abdulrhman Alsayari
- Department of Pharmacognosy, College of Pharmacy, King Khalid University, Saudi Arabia
| | - Shadma Wahab
- Department of Pharmacognosy, College of Pharmacy, King Khalid University, Saudi Arabia
| | - Subhash Chandra
- Department of Botany, Soban Singh Jeena University, Almora, India
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Hussain R, Rahim F, Ullah H, Khan S, Sarfraz M, Iqbal R, Suleman F, Al-Sadoon MK. Design, Synthesis, In Vitro Biological Evaluation and In Silico Molecular Docking Study of Benzimidazole-Based Oxazole Analogues: A Promising Acetylcholinesterase and Butyrylcholinesterase Inhibitors. Molecules 2023; 28:7015. [PMID: 37894494 PMCID: PMC10609608 DOI: 10.3390/molecules28207015] [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: 08/10/2023] [Revised: 09/21/2023] [Accepted: 09/22/2023] [Indexed: 10/29/2023] Open
Abstract
Alzheimer's disease (AD) is a degenerative neurological condition that severely affects the elderly and is clinically recognised by a decrease in cognition and memory. The treatment of this disease has drawn considerable attention and sparked increased interest among the researchers in this field as a result of a number of factors, including an increase in the population of patients over time, a significant decline in patient quality of life, and the high cost of treatment and care. The current work was carried out for the synthesis of benzimidazole-oxazole hybrid derivatives as efficient Alzheimer's inhibitors and as a springboard for investigating novel anti-chemical Alzheimer's prototypes. The inhibition profiles of each synthesised analogue against acetylcholinesterase (AChE) and butyrylcholinesterase (BuChE) enzymes were assessed. All the synthesized benzimidazole-based oxazole analogues displayed a diverse spectrum of inhibitory potentials against targeted AChE and BuChE enzymes when compared to the reference drug donepezil (IC50 = 2.16 ± 0.12 M and 4.50 ± 0.11 µM, respectively). The most active AChE and BuChE analogues were discovered to be analogues 9 and 14, with IC50 values of 0.10 ± 0.050 and 0.20 ± 0.050 µM (against AChE) and 0.20 ± 0.050 and 0.30 ± 0.050 µM (against BuChE), respectively. The nature, number, position, and electron-donating and -withdrawing effects on the phenyl ring were taken into consideration when analysing the structure-activity relationship (SAR). Molecular docking studies were also carried out on the active analogues to find out how amino acids bind to the active sites of the AChE and BuChE enzymes that were being studied.
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Affiliation(s)
- Rafaqat Hussain
- Department of Chemistry, Hazara University, Mansehra 21120, Pakistan
| | - Fazal Rahim
- Department of Chemistry, Hazara University, Mansehra 21120, Pakistan
| | - Hayat Ullah
- Department of Chemistry, University of Okara, Okara 56130, Pakistan
| | - Shoaib Khan
- Department of Chemistry, Abbottabad University of Science and Technology (AUST), Abbottabad 22500, Pakistan
| | - Maliha Sarfraz
- Department of Zoology, Wildlife and Fisheries, University of Agriculture Faisalabad, Sub Campus Toba Tek Singh, Faisalabad 36050, Pakistan
| | - Rashid Iqbal
- Department of Agroecology-Climate and Water, Aarhus University, Blichers Allé 20, 8830 Tjele, Denmark
- Department of Agronomy, Faculty of Agriculture and Environment, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
| | - Faiza Suleman
- Department of Botany, Government College University, Lahore 54000, Pakistan
| | - Mohammad Khalid Al-Sadoon
- Department of Zoology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
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Yoon HR, Park GJ, Balupuri A, Kang NS. TWN-FS method: A novel fragment screening method for drug discovery. Comput Struct Biotechnol J 2023; 21:4683-4696. [PMID: 37841326 PMCID: PMC10568351 DOI: 10.1016/j.csbj.2023.09.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 09/26/2023] [Accepted: 09/27/2023] [Indexed: 10/17/2023] Open
Abstract
Fragment-based drug discovery (FBDD) is a well-established and effective method for generating diverse and novel hits in drug design. Kinases are suitable targets for FBDD due to their well-defined structure. Water molecules contribute to structure and function of proteins and also influence the environment within the binding pocket. Water molecules form a variety of hydrogen-bonded cyclic water-ring networks, collectively known as topological water networks (TWNs). Analyzing the TWNs in protein binding sites can provide valuable insights into potential locations and shapes for fragments within the binding site. Here, we introduce TWN-based fragment screening (TWN-FS) method, a novel screening method that suggests fragments through grouped TWN analysis within the protein binding site. We used this method to screen known CDK2, CHK1, IGF1R and ERBB4 inhibitors. Our findings suggest that TWN-FS method has the potential to effectively screen fragments. The TWN-FS method package is available on GitHub at https://github.com/pkj0421/TWN-FS.
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Affiliation(s)
- Hye Ree Yoon
- Graduate School of New Drug Discovery and Development, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, South Korea
| | - Gyoung Jin Park
- Graduate School of New Drug Discovery and Development, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, South Korea
| | - Anand Balupuri
- Graduate School of New Drug Discovery and Development, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, South Korea
| | - Nam Sook Kang
- Graduate School of New Drug Discovery and Development, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, South Korea
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Khan Y, Rehman W, Hussain R, Khan S, Malik A, Khan M, Liaqat A, Rasheed L, begum F, Fazil S, Khan I, Abdellatif MH. New biologically potent benzimidazole‐based‐triazole derivatives as acetylcholinesterase and butyrylcholinesterase inhibitors along with molecular docking study. J Heterocycl Chem 2022. [DOI: 10.1002/jhet.4553] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yousaf Khan
- Department of Chemistry COMSATS University Islamabad Islamabad Pakistan
| | - Wajid Rehman
- Department of Chemistry Hazara University Mansehra Pakistan
| | | | - Shoaib Khan
- Department of Chemistry Hazara University Mansehra Pakistan
| | - Aneela Malik
- Department of Chemistry COMSATS University Islamabad Islamabad Pakistan
| | - Marwa Khan
- Department of Chemistry Hazara University Mansehra Pakistan
| | - Anjum Liaqat
- Department of Chemistry Hazara University Mansehra Pakistan
| | - Liaqat Rasheed
- Department of Chemistry Hazara University Mansehra Pakistan
| | - Faiza begum
- Department of Chemistry Hazara University Mansehra Pakistan
| | - Srosh Fazil
- Department of Chemistry University of Poonch Rawalakot Azad Jammu and Kashmir Pakistan
| | - Imran Khan
- Department of Chemistry Hazara University Mansehra Pakistan
| | - Magda H. Abdellatif
- Department of Chemistry College of Sciences, Taif University, P. O Box 11099 Taif Saudi Arabia
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Badiger KB, Khatavi SY, Hiremath PB, Kamanna K. Agro-waste sourced catalyst as an eco-friendly and sustainable approach for Knoevenagel condensation reaction. CURRENT ORGANOCATALYSIS 2021. [DOI: 10.2174/2213337209666211222145453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
The present work describes an eco-friendly and sustainable approach for the Knoevenagel condensation of an aromatic aldehyde with ethyl cyanoacetate, and salicylaldehyde with Meldrum acid for the synthesis of ethyl benzylidenecyanoacetate and 3-carboxy coumarin (2-oxo-2H-1-benzopyran) derivatives, respectively. The reaction performed under greener catalytic media Water Extract of Watermelon Fruit Peel Ash (WEWFPA) is an eco-friendly protocol derived from the agro-waste feedstock. Various protocols have been reported for the synthesis of Knoevenagel condensation reaction using a hazardous catalyst or/and solvent found toxic to the environment, reaction time longer, poor yield, and required purification of the final product. The present method provides several added advantages of being completely greener, economic, giving high yield, inexpensive catalyst, and the final product isolated in pure form with good yield.
Objective:
The objective of the study was to develop a green methodology for the synthesis of ethyl benzylidenecyanoacetate and 3-carboxy coumarin derivatives.
Results:
The agro-waste based catalyst developed avoids the use of external inorganic/organic base, additives, and solvent-free synthesis of Knoevenagel condensation of ethyl benzylidenecyanoacetate and 3-carboxy coumarin derivatives under rt and microwave irradiation, respectively described. The microwave irradiation condition requires less time for the completion of the reaction and also gave better yield isolation
Methods:
We have demonstrated WEWFPA as a greener homogenous agro-waste is employed under rt stirring and microwave irradiation for the economic synthesis of ethyl benzylidenecyanoacetate and 3-carboxy coumarin derivatives. The developed method was found robust, non-hazardous and solvent-free with simple work-up gave target product.
Conclusion:
In conclusion, we have established an efficient, simple, agro-waste based catalytic approach for the synthesis of ethylbenzylidenecyanoacetate and 3-carboxy coumarin derivatives employing WEWFPA as an efficient catalyst under rt stirring and microwave synthesis, respectively. The method is a greener, economical and eco-friendly approach for the synthesis of Knoevenagel condensation products. The advantages of the present approach are solvent-free, no external metal, chemical base free, short reaction time and isolated product in good to excellent yields. The catalyst is agro-waste derived, which has abundant in natural sources, thus making the present approach a greener one.
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Affiliation(s)
- Krishnappa B Badiger
- Peptide and Medicinal Chemistry Research Laboratory, Department of Chemistry, Rani Channamma University, P-B, NH-4, Belagavi 591 156, India
| | - Santosh Y Khatavi
- Peptide and Medicinal Chemistry Research Laboratory, Department of Chemistry, Rani Channamma University, P-B, NH-4, Belagavi 591 156, India
| | - Prashant B Hiremath
- Peptide and Medicinal Chemistry Research Laboratory, Department of Chemistry, Rani Channamma University, P-B, NH-4, Belagavi 591 156, India
| | - Kantharaju Kamanna
- Peptide and Medicinal Chemistry Research Laboratory, Department of Chemistry, Rani Channamma University, P-B, NH-4, Belagavi 591 156, India
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Hiremath PB, Kamanna K. Ultrasound-Promoted Sustainable Synthesis and Antimicrobial Evaluation of 2-Aryl Benzimidazoles Catalyzed by BPAE at Room Temperature. CURRENT ORGANOCATALYSIS 2021. [DOI: 10.2174/2213337208666210212122027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Present-day chemists are more interested in developing and using green
chemistry protocol for various organic transformations, which employ natural feedstock extracts,
and solvent-free, and greener catalysts; they are well known for their non-hazardous nature and
have replaced many organic and inorganic based catalysts. In literature, the reported homogenous
catalytic approaches have been employed for various bioactive heterocycle syntheses, which follow
the green chemistry principle established for various organic transformations catalyzed by
WERSA, BFE, WEPPA, WEMFSA, WEMPA, and Eichhorniacrassipes. Among them, 2-aryl benzimidazole
derivatives have emerged as prominent molecules with a wide variety of applications in
biological and material science.
Methods:
The agro-waste sourced from the banana peel is utilized for the preparation of BPAE catalyst,
which is employed for the synthesis of 2-aryl benzimidazole derivatives under ultrasound
waves at room temperature.
Results:
Here, 2-Aryl benzimidazoles synthesized through the reaction of a substituted o-phenylene
diamine with substituted benzoyl chloride catalyzed by BPAE under ultrasound waves at
room temperature are described. Furthermore, catalyst BPAE is characterized by flame emission
spectrometry, SEM-EDX, and XRD techniques.
Conclusion:
The present work established an eco-friendly, sustainable and novel approach for the
synthesis of 2-aryl benzimidazoles using natural feedstock BPAE. The major merits of BPAE include
its use as an agro-waste-derived catalyst. It is also highly abundant, inexpensive, yields faster
reactions, has a simple workup, and does not require the use of column chromatography.
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Affiliation(s)
- Prashant B. Hiremath
- Department of Chemistry, Peptide and Medicinal Chemistry Research Laboratory, Rani Channamma University, P-B, NH-4, Belagavi-591156, Karnataka, India
| | - Kantharaju Kamanna
- Department of Chemistry, Peptide and Medicinal Chemistry Research Laboratory, Rani Channamma University, P-B, NH-4, Belagavi-591156, Karnataka, India
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Kumar S, Sarmah MP, Reddy Y, Bhatt A, Kant R. A one-step synthesis of substituted benzo- and pyridine-fused 1H-imidazoles. SYNTHETIC COMMUN 2021. [DOI: 10.1080/00397911.2021.2001658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Sonu Kumar
- Faculty of Chemical Sciences, Institute of Natural Sciences and Humanities, Shri Ramswaroop Memorial University, Lucknow, India
| | | | | | - Ashish Bhatt
- Department of Chemistry, Mewar University, Chittorgarh, India
| | - Ravi Kant
- Faculty of Chemical Sciences, Institute of Natural Sciences and Humanities, Shri Ramswaroop Memorial University, Lucknow, India
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Veerasamy R, Roy A, Karunakaran R, Rajak H. Structure-Activity Relationship Analysis of Benzimidazoles as Emerging Anti-Inflammatory Agents: An Overview. Pharmaceuticals (Basel) 2021; 14:ph14070663. [PMID: 34358089 PMCID: PMC8308831 DOI: 10.3390/ph14070663] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 07/07/2021] [Accepted: 07/09/2021] [Indexed: 11/16/2022] Open
Abstract
A significant number of the anti-inflammatory drugs currently in use are becoming obsolete. These are exceptionally hazardous for long-term use because of their possible unfavourable impacts. Subsequently, in the ebb-and-flow decade, analysts and researchers are engaged in developing new anti-inflammatory drugs, and many such agents are in the later phases of clinical trials. Molecules with heterocyclic nuclei are similar to various natural antecedents, thus acquiring immense consideration from scientific experts and researchers. The arguably most adaptable heterocyclic cores are benzimidazoles containing nitrogen in a bicyclic scaffold. Numerous benzimidazole drugs are broadly used in the treatment of numerous diseases, showing promising therapeutic potential. Benzimidazole derivatives exert anti-inflammatory effects mainly by interacting with transient receptor potential vanilloid-1, cannabinoid receptors, bradykinin receptors, specific cytokines, 5-lipoxygenase activating protein and cyclooxygenase. Literature on structure–activity relationship (SAR) and investigations of benzimidazoles highlight that the substituent’s tendency and position on the benzimidazole ring significantly contribute to the anti-inflammatory activity. Reported SAR analyses indicate that substitution at the N1, C2, C5 and C6 positions of the benzimidazole scaffold greatly influence the anti-inflammatory activity. For example, benzimidazole substituted with anacardic acid on C2 inhibits COX-2, and 5-carboxamide or sulfamoyl or sulfonyl benzimidazole antagonises the cannabinoid receptor, whereas the C2 diarylamine and C3 carboxamide substitution of the benzimidazole scaffold result in antagonism of the bradykinin receptor. In this review, we examine the insights regarding the SARs of anti-inflammatory benzimidazole compounds, which will be helpful for researchers in designing and developing potential anti-inflammatory drugs to target inflammation-promoting enzymes.
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Affiliation(s)
- Ravichandran Veerasamy
- Pharmaceutical Chemistry Unit, Faculty of Pharmacy, AIMST University, Semeling 08100, Kedah, Malaysia
- Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Chennai 600077, Tamil Nadu, India
- Correspondence:
| | - Anitha Roy
- Department of Pharmacology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Chennai 600077, Tamil Nadu, India;
| | | | - Harish Rajak
- SLT Institute of Pharmaceutical Sciences, Guru Ghasidas University, Bilaspur 495009, India;
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Okabe-Nakahara F, Nagabuchi H, Masumoto E, Maruoka H. Synthesis of Benzimidazoles, Benzoxazoles and Benzothiazole by the Reaction of 2-Amino-4,5-dihydro-3-furancarbonitrile and o-Substituted Anilines in the Catalysis of Trimetylamine Hydrochloride. HETEROCYCLES 2021. [DOI: 10.3987/com-21-14529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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12
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Man N, Lou Z, Li Y, Yang H, Zhao Y, Fu H. Organocatalytic Atroposelective Construction of Axially Chiral N-Aryl Benzimidazoles Involving Carbon–Carbon Bond Cleavage. Org Lett 2020; 22:6382-6387. [DOI: 10.1021/acs.orglett.0c02214] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Ningning Man
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Zhenbang Lou
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Yuming Li
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Haijun Yang
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Yufen Zhao
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Hua Fu
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
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Li ZH, Sun XM, Qin JJ, Tan ZY, Wang WB, Ma Y. Divergent strategy for the chemoselective synthesis of N-Arylbenzimidazoles and N-Arylindazoles from arylamino oximes. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.130945] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Fallacara AL, Passannanti R, Mori M, Iovenitti G, Musumeci F, Greco C, Crespan E, Kissova M, Maga G, Tarantelli C, Spriano F, Gaudio E, Bertoni F, Botta M, Schenone S. Identification of a new family of pyrazolo[3,4-d]pyrimidine derivatives as multitarget Fyn-Blk-Lyn inhibitors active on B- and T-lymphoma cell lines. Eur J Med Chem 2019; 181:111545. [PMID: 31400706 DOI: 10.1016/j.ejmech.2019.07.048] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 07/11/2019] [Accepted: 07/15/2019] [Indexed: 12/27/2022]
Abstract
Abnormal activation of B-cell receptor (BCR) signaling plays a key role in the development of lymphoid malignancies, and could be reverted by the simultaneous inhibition of Lyn, Fyn and Blk, three members of the Src family kinase (SFK). Fyn and Blk are also promising targets for the treatment of some forms of T-cell non-Hodgkin lymphoma which point to the druggability of SFKs for the treatment of these cancers. We recently identified Si308 as a potent Fyn inhibitor, while preliminary data showed that it might also inhibit Lyn and Blk. Here, molecular modelling studies were coupled with enzymatic assays to further investigate the effect of Si308 on Lyn and Blk. A small library of pyrazolo[3,4-d]pyrimidines structurally related to Si308 was synthesized and tested on human lymphoma cell lines. Compound 2h emerged as a new multitarget inhibitor of Lyn, Fyn and Blk endowed with remarkable antiproliferative effects on human B and T lymphoma cell lines. Its favorable ADME properties make the compound suitable for further developments.
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Affiliation(s)
- Anna Lucia Fallacara
- Department of Biotechnology, Chemistry and Pharmacy, "Department of Excellence 2018-2022", University of Siena, Via Aldo Moro 2, 53100, Siena, Italy
| | - Raffaele Passannanti
- Department of Biotechnology, Chemistry and Pharmacy, "Department of Excellence 2018-2022", University of Siena, Via Aldo Moro 2, 53100, Siena, Italy
| | - Mattia Mori
- Department of Biotechnology, Chemistry and Pharmacy, "Department of Excellence 2018-2022", University of Siena, Via Aldo Moro 2, 53100, Siena, Italy
| | - Giulia Iovenitti
- Department of Biotechnology, Chemistry and Pharmacy, "Department of Excellence 2018-2022", University of Siena, Via Aldo Moro 2, 53100, Siena, Italy
| | - Francesca Musumeci
- Department of Pharmacy, University of Genoa, Viale Benedetto XV, 3, 16132, Genoa, Italy
| | - Chiara Greco
- Department of Pharmacy, University of Genoa, Viale Benedetto XV, 3, 16132, Genoa, Italy
| | - Emmanuele Crespan
- Istituto di Genetica Molecolare, IGM-CNR, Via Abbiategrasso 207, I-27100, Pavia, Italy
| | - Miroslava Kissova
- Istituto di Genetica Molecolare, IGM-CNR, Via Abbiategrasso 207, I-27100, Pavia, Italy
| | - Giovanni Maga
- Istituto di Genetica Molecolare, IGM-CNR, Via Abbiategrasso 207, I-27100, Pavia, Italy
| | - Chiara Tarantelli
- Università della Svizzera italiana (USI), Institute of Oncology Research (IOR), via Vela 6, 6500, Bellinzona, Switzerland
| | - Filippo Spriano
- Università della Svizzera italiana (USI), Institute of Oncology Research (IOR), via Vela 6, 6500, Bellinzona, Switzerland
| | - Eugenio Gaudio
- Università della Svizzera italiana (USI), Institute of Oncology Research (IOR), via Vela 6, 6500, Bellinzona, Switzerland
| | - Francesco Bertoni
- Università della Svizzera italiana (USI), Institute of Oncology Research (IOR), via Vela 6, 6500, Bellinzona, Switzerland
| | - Maurizio Botta
- Department of Biotechnology, Chemistry and Pharmacy, "Department of Excellence 2018-2022", University of Siena, Via Aldo Moro 2, 53100, Siena, Italy; Biotechnology College of Science and Technology, Temple University, Biolife Science Building, Suite 333, 1900 N 12th Street, Philadelphia, PA, 19122, United States; Lead Discovery Siena s.r.l., Via Vittorio Alfieri 31, 53019, Castelnuovo, Berardenga, Italy.
| | - Silvia Schenone
- Department of Pharmacy, University of Genoa, Viale Benedetto XV, 3, 16132, Genoa, Italy
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15
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Goud NS, Ghouse SM, Vishnu J, Komal D, Talla V, Alvala R, Pranay J, Kumar J, Qureshi IA, Alvala M. Synthesis of 1-benzyl-1H-benzimidazoles as galectin-1 mediated anticancer agents. Bioorg Chem 2019; 89:103016. [PMID: 31185390 DOI: 10.1016/j.bioorg.2019.103016] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 05/07/2019] [Accepted: 05/26/2019] [Indexed: 02/08/2023]
Abstract
In our pursuit to develop novel non-carbohydrate small molecule Galectin-1 Inhibitors, we have designed a series of 1-benzyl-1H-benzimidazole derivatives and demonstrated their anticancer activity. The compound 6g, 4-(1-benzyl-5-chloro-1H-benzo[d]imidazol-2-yl)-N-(4-hydroxyphenyl) benzamide was found to be most potent with an IC50 of 7.01 ± 0.20 µM and arresting MCF-7 cell growth at G2/M phase and S phase. Induction of apoptosis was confirmed by morphological changes like cell shrinkage, blebbing and cell wall deformation, dose dependent increase in the mitochondrial membrane potential (ΔΨm) and ROS levels. Further, dose dependent decrease in Gal-1 protein levels proves Gal-1 mediated apoptosis by 6g. Molecular docking studies were performed to understand the Gal-1 interaction with compound 6g. In addition, RP-HPLC studies showed 85.44% of 6g binding to Gal-1. Binding affinity studies by fluorescence spectroscopy and Surface Plasmon Resonance (SPR) showed that 6g binds to Gal-1 with binding constant (Ka) of 1.2 × 104 M-1 and equilibrium constant KD value of 5.76 × 10-4 M respectively.
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Affiliation(s)
- Nerella Sridhar Goud
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500 037, India
| | - S Mahammad Ghouse
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500 037, India
| | - Jatoth Vishnu
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500 037, India
| | - D Komal
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500 037, India
| | - Venu Talla
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500 037, India
| | - Ravi Alvala
- G. Pulla Reddy College of Pharmacy, Hyderabad 500 028, India
| | - Jakkula Pranay
- Department of Biotechnology & Bioinformatics, School of Life Sciences, University of Hyderabad, Hyderabad 500046, India
| | - Janish Kumar
- Department of Biotechnology & Bioinformatics, School of Life Sciences, University of Hyderabad, Hyderabad 500046, India
| | - Insaf A Qureshi
- Department of Biotechnology & Bioinformatics, School of Life Sciences, University of Hyderabad, Hyderabad 500046, India
| | - Mallika Alvala
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500 037, India.
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16
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V. Živković J, G. Kalauzović S, R. Milosavljević M, G. Kalauzović K. IN SILICOEVALUATION OF SELECTED BENZIMIDAZOLE DERIVATIVES IN THE DISCOVERY OF NEW POTENT ANTIMICROBIAL AGENTS. ACTA MEDICA MEDIANAE 2019. [DOI: 10.5633/amm.2019.0115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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17
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Üstün E, Sönmez Çelebi M, Çol Ayvaz M. Manganese(I) tricarbonyl complexes: UV-dependent antioxidant activity, electrochemistry, and DFT/TDDFT calculation. J COORD CHEM 2018. [DOI: 10.1080/00958972.2018.1506110] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Elvan Üstün
- Department of Chemistry, Faculty of Science and Arts, Ordu University, Ordu, Turkey
| | - Mutlu Sönmez Çelebi
- Department of Chemistry, Faculty of Science and Arts, Ordu University, Ordu, Turkey
| | - Melek Çol Ayvaz
- Department of Chemistry, Faculty of Science and Arts, Ordu University, Ordu, Turkey
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18
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Katsura K, Tomabechi Y, Matsuda T, Yonemochi M, Mikuni J, Ohsawa N, Terada T, Yokoyama S, Kukimoto-Niino M, Takemoto C, Shirouzu M. Phosphorylated and non-phosphorylated HCK kinase domains produced by cell-free protein expression. Protein Expr Purif 2018; 150:92-99. [PMID: 29793032 DOI: 10.1016/j.pep.2018.05.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Revised: 05/10/2018] [Accepted: 05/10/2018] [Indexed: 01/07/2023]
Abstract
Since phosphorylation is involved in various physiological events, kinases and interacting factors can be potential targets for drug discovery. For the development and improvement of inhibitors from the point of view of mechanistic enzymology, a cell-free protein synthesis system would be advantageous, since it could prepare mutant proteins easily. However, especially in the case of protein kinase, product solubility remains one of the major challenges. To overcome this problem, we prepared a chaperone-supplemented extract from Escherichia coli BL21 cells harboring a plasmid encoding a set of chaperone genes, dnaK, dnaJ, and grpE. We explored cell-disruption procedures and constructed an efficient protein synthesis system. Employing this system, we produced the kinase domain of human hematopoietic cell kinase (HCK) to obtain further structural information about its molecular interaction with one of its inhibitors, previously developed by our group (RK-20449). Lower reaction temperature improved the solubility, and addition of a protein phosphatase (YpoH) facilitated the homogeneous production of the non-phosphorylated kinase domain. Crystals of the purified product were obtained and the kinase-inhibitor complex structure was solved at 1.7 Å resolution. In addition, results of kinase activity measurement, using a synthetic substrate, showed that the kinase activity was facilitated by autophosphorylation at Tyr416, as confirmed by the peptide mass mapping.
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Affiliation(s)
- Kazushige Katsura
- Protein Functional and Structural Biology Team, RIKEN Center for Life Science Technology, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan
| | - Yuri Tomabechi
- Protein Functional and Structural Biology Team, RIKEN Center for Life Science Technology, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan
| | - Takayoshi Matsuda
- Protein Functional and Structural Biology Team, RIKEN Center for Life Science Technology, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan
| | - Mayumi Yonemochi
- Protein Functional and Structural Biology Team, RIKEN Center for Life Science Technology, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan; Drug Discovery Structural Biology Platform Unit, RIKEN Center for Life Science Technologies, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan
| | - Junko Mikuni
- Protein Functional and Structural Biology Team, RIKEN Center for Life Science Technology, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan; Drug Discovery Structural Biology Platform Unit, RIKEN Center for Life Science Technologies, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan
| | - Noboru Ohsawa
- Protein Functional and Structural Biology Team, RIKEN Center for Life Science Technology, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan
| | - Takaho Terada
- RIKEN Structural Biology Laboratory, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan
| | - Shigeyuki Yokoyama
- RIKEN Structural Biology Laboratory, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan
| | - Mutsuko Kukimoto-Niino
- Protein Functional and Structural Biology Team, RIKEN Center for Life Science Technology, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan; Drug Discovery Structural Biology Platform Unit, RIKEN Center for Life Science Technologies, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan
| | - Chie Takemoto
- Protein Functional and Structural Biology Team, RIKEN Center for Life Science Technology, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan.
| | - Mikako Shirouzu
- Protein Functional and Structural Biology Team, RIKEN Center for Life Science Technology, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan; Drug Discovery Structural Biology Platform Unit, RIKEN Center for Life Science Technologies, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan.
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19
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García-Aranda MI, Gómez-Castro CZ, García-Báez EV, Gómez YGY, Castrejón-Flores JL, Padilla-Martínez II. Involvement of conformational isomerism in the complexity of the crystal network of 1-(4-nitrophenyl)-1H-1,3-benzimidazole derivatives driven by C-H...A (A = NO 2, N py and π) and orthogonal N py...NO 2 and ONO...Csp 2 interactions. Acta Crystallogr C Struct Chem 2018; 74:428-436. [PMID: 29620026 PMCID: PMC5885323 DOI: 10.1107/s2053229618003406] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 02/27/2018] [Indexed: 11/22/2022] Open
Abstract
A detailed structural analysis of the benzimidazole nitroarenes 1-(4-nitrophenyl)-1H-1,3-benzimidazole, C13H9N3O2, (I), 1-(4-nitrophenyl)-2-phenyl-1H-1,3-benzimidazole, C19H13N3O2, (II), and 2-(3-methylphenyl)-1-(4-nitrophenyl)-1H-1,3-benzimidazole, C20H15N3O2, (III), has been performed. They are nonplanar structures whose crystal arrangement is governed by Csp2-H...A (A = NO2, Npy and π) hydrogen bonding. The inherent complexity of the supramolecular arrangements of compounds (I) (Z' = 2) and (II) (Z' = 4) into tapes, helices and sheets is the result of the additional participation of π-πNO2 and n-π* (n = O and Npy; π* = Csp2 and NNO2) interactions that contribute to the stabilization of the equi-energetic conformations adopted by each of the independent molecules in the asymmetric unit. In contrast, compound (III) (Z' = 1) is self-paired, probably due to the effect of the steric demand of the methyl group on the crystal packing. Theoretical ab initio calculations confirmed that the presence of the arene ring at the benzimidazole 2-position increases the rotational barrier of the nitrobenzene ring and also supports the electrostatic nature of the orthogonal ONO...Csp2 and Npy...NO2 interactions.
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Affiliation(s)
- Mónica I. García-Aranda
- Laboratorio de Química Supramolecular y Nanociencias, Unidad Profesional Interdisciplinaria de Biotecnología del Instituto Politécnico Nacional, Av. Acueducto s/n Barrio la Laguna Ticomán, 07340 Mexico City, Mexico
- Laboratorio de Farmacología, Unidad Profesional Interdisciplinaria de Biotecnología del Instituto Politécnico Nacional, Av. Acueducto s/n Barrio la Laguna Ticomán, 07340 Mexico City, Mexico
| | - Carlos Z. Gómez-Castro
- Laboratorio de Química Supramolecular y Nanociencias, Unidad Profesional Interdisciplinaria de Biotecnología del Instituto Politécnico Nacional, Av. Acueducto s/n Barrio la Laguna Ticomán, 07340 Mexico City, Mexico
| | - Efrén V. García-Báez
- Laboratorio de Química Supramolecular y Nanociencias, Unidad Profesional Interdisciplinaria de Biotecnología del Instituto Politécnico Nacional, Av. Acueducto s/n Barrio la Laguna Ticomán, 07340 Mexico City, Mexico
| | - Yolanda Gómez y Gómez
- Laboratorio de Farmacología, Unidad Profesional Interdisciplinaria de Biotecnología del Instituto Politécnico Nacional, Av. Acueducto s/n Barrio la Laguna Ticomán, 07340 Mexico City, Mexico
| | - José L. Castrejón-Flores
- Laboratorio de Biotecnología Molecular, Unidad Profesional Interdisciplinaria de Biotecnología del Instituto Politécnico Nacional, Av. Acueducto s/n Barrio la Laguna Ticomán, 07340 Mexico City, Mexico
| | - Itzia I. Padilla-Martínez
- Laboratorio de Química Supramolecular y Nanociencias, Unidad Profesional Interdisciplinaria de Biotecnología del Instituto Politécnico Nacional, Av. Acueducto s/n Barrio la Laguna Ticomán, 07340 Mexico City, Mexico
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20
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Baer A, Colon-Moran W, Xiang J, Stapleton JT, Bhattarai N. Src-family kinases negatively regulate NFAT signaling in resting human T cells. PLoS One 2017; 12:e0187123. [PMID: 29073235 PMCID: PMC5658144 DOI: 10.1371/journal.pone.0187123] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Accepted: 10/13/2017] [Indexed: 01/30/2023] Open
Abstract
T cell signaling is required for activation of both natural and therapeutic T cells including chimeric antigen receptor (CAR) T cells. Identification of novel factors and pathways regulating T cell signaling may aid in development of effective T cell therapies. In resting human T cells, the majority of Src-family of tyrosine kinases (SFKs) are inactive due to phosphorylation of a conserved carboxy-terminal tyrosine residue. Recently, a pool of enzymatically active SFKs has been identified in resting T cells; however, the significance of these is incompletely understood. Here, we characterized the role of active SFKs in resting human T cells. Pharmacologic inhibition of active SFKs enhanced distal TCR signaling as measured by IL-2 release and CD25 surface expression following TCR-independent activation. Mechanistically, inhibition of the active pool of SFKs induced nuclear translocation of NFAT1, and enhanced NFAT1-dependent signaling in resting T cells. The negative regulation of NFAT1 signaling was in part mediated by the Src-kinase Lck as human T cells lacking Lck had increased levels of nuclear NFAT1 and demonstrated enhanced NFAT1-dependent gene expression. Inhibition of active SFKs in resting primary human T cells also increased nuclear NFAT1 and enhanced NFAT1-dependent signaling. Finally, the calcineurin inhibitor FK506 and Cyclosporin A reversed the effect of SFKs inhibition on NFAT1. Together, these data identified a novel role of SFKs in preventing aberrant NFAT1 activation in resting T cells, and suggest that maintaining this pool of active SFKs in therapeutic T cells may increase the efficacy of T cell therapies.
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Affiliation(s)
- Alan Baer
- Division of Cellular and Gene Therapies, Office of Tissues and Advanced Therapies, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland
| | - Winston Colon-Moran
- Division of Cellular and Gene Therapies, Office of Tissues and Advanced Therapies, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland
| | - Jinhua Xiang
- Research Service, Iowa City Veterans Affairs Medical Center, and the Department of Internal Medicine, University of Iowa, Iowa City, IA
| | - Jack T. Stapleton
- Research Service, Iowa City Veterans Affairs Medical Center, and the Department of Internal Medicine, University of Iowa, Iowa City, IA
| | - Nirjal Bhattarai
- Division of Cellular and Gene Therapies, Office of Tissues and Advanced Therapies, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland
- * E-mail:
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21
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Sharghi H, Aberi M, Shiri P. Highly reusable support‐free copper(II) complex of
para
‐hydroxy‐substituted salen: Novel, efficient and versatile catalyst for C─N bond forming reactions. Appl Organomet Chem 2017. [DOI: 10.1002/aoc.3761] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Hashem Sharghi
- Department of ChemistryShiraz University Shiraz 71454 Iran
| | - Mahdi Aberi
- Department of ChemistryShiraz University Shiraz 71454 Iran
| | - Pezhman Shiri
- Department of ChemistryShiraz University Shiraz 71454 Iran
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22
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Chen Y, Xu F, Sun Z. Synthesis of 1,2-disubstituted benzimidazoles using an aza-Wittig-equivalent process. RSC Adv 2017. [DOI: 10.1039/c7ra09010b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Based on an aza-Wittig-equivalent process, a novel synthetic approach for 1,2-disubstituted benzimidazoles has been successfully designed, which provides mild reaction conditions and excellent yields.
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Affiliation(s)
- Yuan Chen
- College of Chemistry and Chemical Engineering
- Shanghai University of Engineering Science
- Shanghai 201620
- China
| | - Fanghui Xu
- College of Chemistry and Chemical Engineering
- Shanghai University of Engineering Science
- Shanghai 201620
- China
| | - Zhihua Sun
- College of Chemistry and Chemical Engineering
- Shanghai University of Engineering Science
- Shanghai 201620
- China
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23
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Youn SW, Lee EM. Metal-Free One-Pot Synthesis of N,N′-Diarylamidines and N-Arylbenzimidazoles from Arenediazonium Salts, Nitriles, and Free Anilines. Org Lett 2016; 18:5728-5731. [DOI: 10.1021/acs.orglett.6b02994] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- So Won Youn
- Center for New Directions
in Organic Synthesis, Department of Chemistry and Institute for Material
Design, Hanyang University, Seoul 04763, Korea
| | - Eun Mi Lee
- Center for New Directions
in Organic Synthesis, Department of Chemistry and Institute for Material
Design, Hanyang University, Seoul 04763, Korea
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24
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La Sala G, Riccardi L, Gaspari R, Cavalli A, Hantschel O, De Vivo M. HRD Motif as the Central Hub of the Signaling Network for Activation Loop Autophosphorylation in Abl Kinase. J Chem Theory Comput 2016; 12:5563-5574. [DOI: 10.1021/acs.jctc.6b00600] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
| | | | | | - Andrea Cavalli
- Department of Pharmacy & Biotechnology, Alma Mater Studiorum, University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy
| | - Oliver Hantschel
- Swiss
Institute for Experimental Cancer Research (ISREC), School of Life
Sciences, École polytechnique fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
- ISREC Foundation Chair in Translational Oncology, 1015 Lausanne, Switzerland
| | - Marco De Vivo
- IAS-S/INM-9 Computational Biomedicine Forschungszentrum, Jülich Wilhelm-Johnen-Staße, 52428 Jülich, Germany
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25
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Bavi R, Kumar R, Rampogu S, Kim Y, Kwon YJ, Park SJ, Lee KW. Novel virtual lead identification in the discovery of hematopoietic cell kinase (HCK) inhibitors: application of 3D QSAR and molecular dynamics simulation. J Recept Signal Transduct Res 2016; 37:224-238. [DOI: 10.1080/10799893.2016.1212376] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Rohit Bavi
- Division of Applied Life Science (BK21 Plus Program), Systems and Synthetic Agrobiotech Center (SSAC), Plant Molecular Biology and Biotechnology Research Center (PMBBRC), Research Institute of Natural Science (RINS), Gyeongsang National University (GNU), Jinju, Republic of Korea
| | - Raj Kumar
- Division of Applied Life Science (BK21 Plus Program), Systems and Synthetic Agrobiotech Center (SSAC), Plant Molecular Biology and Biotechnology Research Center (PMBBRC), Research Institute of Natural Science (RINS), Gyeongsang National University (GNU), Jinju, Republic of Korea
| | - Shailima Rampogu
- Division of Applied Life Science (BK21 Plus Program), Systems and Synthetic Agrobiotech Center (SSAC), Plant Molecular Biology and Biotechnology Research Center (PMBBRC), Research Institute of Natural Science (RINS), Gyeongsang National University (GNU), Jinju, Republic of Korea
| | - Yongseong Kim
- Department of Science Education, Kyungnam University, Masan, Republic of Korea
| | - Yong Jung Kwon
- Department of Chemical Engineering, Kangwon National University, Chunchon, Republic of Korea
| | - Seok Ju Park
- Department of Internal Medicine, College of Medicine, Busan Paik Hospital, Inje University, Republic of Korea
| | - Keun Woo Lee
- Division of Applied Life Science (BK21 Plus Program), Systems and Synthetic Agrobiotech Center (SSAC), Plant Molecular Biology and Biotechnology Research Center (PMBBRC), Research Institute of Natural Science (RINS), Gyeongsang National University (GNU), Jinju, Republic of Korea
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26
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Üstün E, Çol Ayvaz M, Sönmez Çelebi M, Aşcı G, Demir S, Özdemir İ. Structure, CO-releasing property, electrochemistry, DFT calculation, and antioxidant activity of benzimidazole derivative substituted [Mn(CO)3(bpy)L]PF6 type novel manganese complexes. Inorganica Chim Acta 2016. [DOI: 10.1016/j.ica.2016.05.027] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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27
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Bermejo M, López-Huertas MR, García-Pérez J, Climent N, Descours B, Ambrosioni J, Mateos E, Rodríguez-Mora S, Rus-Bercial L, Benkirane M, Miró JM, Plana M, Alcamí J, Coiras M. Dasatinib inhibits HIV-1 replication through the interference of SAMHD1 phosphorylation in CD4+ T cells. Biochem Pharmacol 2016; 106:30-45. [PMID: 26851491 DOI: 10.1016/j.bcp.2016.02.002] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Accepted: 02/02/2016] [Indexed: 02/07/2023]
Abstract
Massive activation of infected CD4+ T cells during acute HIV-1 infection leads to reservoir seeding and T-cell destruction. During T-cell activation, the antiviral effect of the innate factor SAMHD1 is neutralized through phosphorylation at T592, allowing HIV-1 infection. Dasatinib, a tyrosine kinase inhibitor currently used for treating chronic myeloid leukemia, has been described to control HIV-1 replication through its negative effect on T-cell proliferation and viral entry. We demonstrate that Dasatinib can actually interfere with SAMHD1 phosphorylation in human peripheral blood lymphocytes, preserving its antiviral activity against HIV-1. Dasatinib prevented SAMHD1 phosphorylation in vitro and ex vivo, impairing HIV-1 reverse transcription and proviral integration. This was the major mechanism of action because the presence of Vpx, which degrades SAMHD1, in HIV-1 virions impeded the inhibitory effect of Dasatinib on HIV-1 replication. In fact, infection with VSV-pseudotyped HIV-1 virions and fusion of BlaM-Vpr-containing HIV-1 viruses with activated PBMCs in the presence of Dasatinib suggested that Dasatinib was not acting at fusion level. Finally, PBMCs from patients on chronic treatment with Dasatinib showed a lower level of SAMHD1 phosphorylation in response to activating stimuli and low susceptibility to HIV-1 infection ex vivo. Consequently, Dasatinib is a compound currently used in clinic that preserves the antiviral function of SAMHD1. Using Dasatinib as adjuvant of antiretroviral therapy during early primary HIV-1 infection would contribute to reduce viral replication and spread, prevent reservoir seeding, and preserve CD4 counts and CTL responses. These events would create a more favorable virologic and immunologic environment for future interventional studies aiming at HIV-1 eradication.
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MESH Headings
- Adult
- Anti-HIV Agents/pharmacology
- Antineoplastic Agents/pharmacology
- CD4-Positive T-Lymphocytes/drug effects
- CD4-Positive T-Lymphocytes/enzymology
- CD4-Positive T-Lymphocytes/virology
- Cell Proliferation/drug effects
- Dasatinib/pharmacology
- Female
- Gene Expression Regulation
- HIV Infections/drug therapy
- HIV Infections/enzymology
- HIV Infections/genetics
- HIV Infections/virology
- HIV-1/drug effects
- HIV-1/genetics
- HIV-1/growth & development
- Host-Pathogen Interactions
- Humans
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/drug therapy
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/enzymology
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/genetics
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/pathology
- Lymphocyte Activation
- Male
- Monomeric GTP-Binding Proteins/antagonists & inhibitors
- Monomeric GTP-Binding Proteins/genetics
- Monomeric GTP-Binding Proteins/metabolism
- Phosphorylation/drug effects
- Protein Kinase Inhibitors/pharmacology
- SAM Domain and HD Domain-Containing Protein 1
- Signal Transduction
- Vesiculovirus/genetics
- Viral Fusion Proteins/genetics
- Viral Fusion Proteins/metabolism
- Virus Internalization/drug effects
- Virus Replication/drug effects
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Affiliation(s)
- Mercedes Bermejo
- AIDS Immunopathology Unit, National Center of Microbiology, Instituto de Salud Carlos III, Madrid, Spain
| | - María Rosa López-Huertas
- AIDS Immunopathology Unit, National Center of Microbiology, Instituto de Salud Carlos III, Madrid, Spain
| | - Javier García-Pérez
- AIDS Immunopathology Unit, National Center of Microbiology, Instituto de Salud Carlos III, Madrid, Spain
| | - Núria Climent
- Retrovirology and Viral Immunopathology Laboratory, AIDS Research Group, Institut d'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Benjamin Descours
- Laboratory of Molecular Virology, Institute of Human Genetics, Montpellier, France
| | - Juan Ambrosioni
- Infectious Diseases Service, AIDS Research Group, Institut d'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Elena Mateos
- AIDS Immunopathology Unit, National Center of Microbiology, Instituto de Salud Carlos III, Madrid, Spain
| | - Sara Rodríguez-Mora
- AIDS Immunopathology Unit, National Center of Microbiology, Instituto de Salud Carlos III, Madrid, Spain
| | - Lucía Rus-Bercial
- AIDS Immunopathology Unit, National Center of Microbiology, Instituto de Salud Carlos III, Madrid, Spain
| | - Monsef Benkirane
- Laboratory of Molecular Virology, Institute of Human Genetics, Montpellier, France
| | - José M Miró
- Infectious Diseases Service, AIDS Research Group, Institut d'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Montserrat Plana
- Retrovirology and Viral Immunopathology Laboratory, AIDS Research Group, Institut d'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - José Alcamí
- AIDS Immunopathology Unit, National Center of Microbiology, Instituto de Salud Carlos III, Madrid, Spain
| | - Mayte Coiras
- AIDS Immunopathology Unit, National Center of Microbiology, Instituto de Salud Carlos III, Madrid, Spain.
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28
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Karatas MO, Alici B, Çetinkaya E, Bilen Ç, Gençer N, Arslan O. Synthesis, characterization and tyrosinase inhibitory properties of benzimidazole derivatives. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2014. [DOI: 10.1134/s1068162014040049] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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29
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Gaba M, Singh S, Mohan C. Benzimidazole: an emerging scaffold for analgesic and anti-inflammatory agents. Eur J Med Chem 2014; 76:494-505. [PMID: 24602792 DOI: 10.1016/j.ejmech.2014.01.030] [Citation(s) in RCA: 200] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2013] [Revised: 01/19/2014] [Accepted: 01/20/2014] [Indexed: 02/02/2023]
Abstract
Within the vast range of heterocycles, benzimidazole and its derivatives are found to be trendy structures employed for discovery of drugs in the field of pharmaceutical and medicinal chemistry. The unique structural features of benzimidazole and a wide range of biological activities of its derivatives made it privileged structure in drug discovery. Recently, benzimidazole scaffold has emerged as a pharmacophore of choice for designing analgesic and anti-inflammatory agents active on different clinically approved targets. To pave the way for future research, there is a need to collect the latest information in this promising area. In the present review we have collated published reports on this versatile core to provide an insight so that its full therapeutic potential can be utilized for the treatment of pain and inflammation.
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Affiliation(s)
- Monika Gaba
- Department of Pharmaceutical Sciences, ASBASJSM College of Pharmacy, Bela, Ropar, Punjab, India.
| | - Sarbjot Singh
- Drug Discovery Research, Panacea Biotec Pvt. Ltd., Mohali, Punjab, India
| | - Chander Mohan
- Rayat-Bahra Institute of Pharmacy, Hoshiarpur, Punjab, India
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30
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Singla P, Luxami V, Paul K. Benzimidazole-biologically attractive scaffold for protein kinase inhibitors. RSC Adv 2014. [DOI: 10.1039/c3ra46304d] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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31
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Gong W, Gao P, Li G, Mehdi H, Ning G, Yu J. Construction of fluorescence-tunable pyrido-fused benzimidazoles via direct intramolecular C–H amination under transition-metal-free conditions. RSC Adv 2014. [DOI: 10.1039/c4ra08954e] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
A mild and efficient synthetic route to fluorescence-tunable pyrido-fused benzimidazole (PBI) scaffolds has been reported.
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Affiliation(s)
- Weitao Gong
- State Key Laboratory of Fine Chemicals
- School of Chemical Engineering
- Dalian University of Technology
- Dalian, China
- State Key Laboratory of Fine Chemicals
| | - Peng Gao
- State Key Laboratory of Fine Chemicals
- School of Chemistry
- Dalian University of Technology
- Dalian, China
| | - Gang Li
- State Key Laboratory of Fine Chemicals
- School of Chemical Engineering
- Dalian University of Technology
- Dalian, China
| | - Hassan Mehdi
- State Key Laboratory of Fine Chemicals
- School of Chemistry
- Dalian University of Technology
- Dalian, China
| | - Guiling Ning
- State Key Laboratory of Fine Chemicals
- School of Chemical Engineering
- Dalian University of Technology
- Dalian, China
| | - Jingjie Yu
- Dalian Luminglight Science and Technology Co., Ltd
- Dalian, China
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32
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Kumar RK, Manna S, Mahesh D, Sar D, Punniyamurthy T. Oxidative Aromatic CH Functionalization Promoted by Phenyliodine(III) Diacetate to form CN, CS, and CSe Bonds. ASIAN J ORG CHEM 2013. [DOI: 10.1002/ajoc.201300151] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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33
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Yuan H, Chen Y, Song J, Chen C, Chen B. Cu(I)-Catalyzed Synthesis of 2-Substituted Benzimidazoles from 2-Iodoanilines and Amides. CHINESE J CHEM 2013. [DOI: 10.1002/cjoc.201300429] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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34
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Affiliation(s)
- Thomas J. Delia
- Department of Chemistry; Central Michigan University; Mt. Pleasant; Michigan; 48859
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35
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Wang F, Tran-Dubé M, Scales S, Johnson S, McAlpine I, Ninkovic S. A simple and convenient two-step, one-pot synthesis of hetero-imidazoles from nitroaminoaryls catalyzed by Ytterbium triflate. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.05.092] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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36
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SHIVAPRASAD CM, KUMAR SM, MANJUNATH BC, SWAROOP TR, RANGAPPA KS, LOKANATH NK. Synthesis and Structural Studies of 2-((3-Methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl)methylthio)-1-(methylsulfonyl)-1 H-benzo[d]imidazole. X-RAY STRUCTURE ANALYSIS ONLINE 2013. [DOI: 10.2116/xraystruct.29.47] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
| | | | | | - T. R. SWAROOP
- Department of Studies in Chemistry, University of Mysore
| | - K. S. RANGAPPA
- Department of Studies in Chemistry, University of Mysore
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37
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Lafleur K, Dong J, Huang D, Caflisch A, Nevado C. Optimization of Inhibitors of the Tyrosine Kinase EphB4. 2. Cellular Potency Improvement and Binding Mode Validation by X-ray Crystallography. J Med Chem 2012; 56:84-96. [DOI: 10.1021/jm301187e] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Karine Lafleur
- Department
of Organic Chemistry and ‡Department of Biochemistry, University of Zurich, Winterthurerstrasse 190, CH-8057
Zurich, Switzerland
| | - Jing Dong
- Department
of Organic Chemistry and ‡Department of Biochemistry, University of Zurich, Winterthurerstrasse 190, CH-8057
Zurich, Switzerland
| | - Danzhi Huang
- Department
of Organic Chemistry and ‡Department of Biochemistry, University of Zurich, Winterthurerstrasse 190, CH-8057
Zurich, Switzerland
| | - Amedeo Caflisch
- Department
of Organic Chemistry and ‡Department of Biochemistry, University of Zurich, Winterthurerstrasse 190, CH-8057
Zurich, Switzerland
| | - Cristina Nevado
- Department
of Organic Chemistry and ‡Department of Biochemistry, University of Zurich, Winterthurerstrasse 190, CH-8057
Zurich, Switzerland
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38
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Bansal Y, Silakari O. The therapeutic journey of benzimidazoles: a review. Bioorg Med Chem 2012; 20:6208-36. [PMID: 23031649 DOI: 10.1016/j.bmc.2012.09.013] [Citation(s) in RCA: 519] [Impact Index Per Article: 43.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2012] [Revised: 09/07/2012] [Accepted: 09/07/2012] [Indexed: 01/03/2023]
Abstract
Presence of benzimidazole nucleus in numerous categories of therapeutic agents such as antimicrobials, antivirals, antiparasites, anticancer, anti-inflammatory, antioxidants, proton pump inhibitors, antihypertensives, anticoagulants, immunomodulators, hormone modulators, CNS stimulants as well as depressants, lipid level modulators, antidiabetics, etc. has made it an indispensable anchor for development of new therapeutic agents. Varied substitutents around the benzimidazole nucleus have provided a wide spectrum of biological activities. Importance of this nucleus in some activities like, Angiotensin I (AT(1)) receptor antagonism and proton-pump inhibition is reviewed separately in literature. Even some very short reviews on biological importance of this nucleus are also known in literature. However, owing to fast development of new drugs possessing benzimidazole nucleus many research reports are generated in short span of time. So, there is a need to couple the latest information with the earlier information to understand the current status of benzimidazole nucleus in medicinal chemistry research. In the present review, various derivatives of benzimidazole with different pharmacological activities are described on the basis of substitution pattern around the nucleus with an aim to help medicinal chemists for developing an SAR on benzimidazole derived compounds for each activity. This discussion will further help in the development of novel benzimidazole compounds.
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Affiliation(s)
- Yogita Bansal
- Molecular Modelling Lab, Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala, Punjab 147002, India
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39
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Reactivity of the ester group attached isoxazoline, benzisoxazole, and isoxazole: a facial preparation of 3-acyl-substituted these heterocycles. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.05.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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40
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Yang D, Wang Y, Yang H, Liu T, Fu H. Copper-Catalyzed Domino Synthesis of Benzimidazo[2,1-b]quin- azolin-12(6H)-ones Using Cyanamide as a Building Block. Adv Synth Catal 2012. [DOI: 10.1002/adsc.201100580] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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41
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Kumar RK, Punniyamurthy T. Palladium-catalyzed aerobic oxidative C–H amination: synthesis of 2-unsubstituted and 2-substituted N-aryl benzimidazoles. RSC Adv 2012. [DOI: 10.1039/c2ra20328f] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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42
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Binh Nguyen T, Al-Mourabit A, Ermolenko L. N-Chlorosuccinimide/Sodium Hydroxide-Mediated Synthesis of Benzimidazoles from Amidines under Mild Conditions. HETEROCYCLES 2012. [DOI: 10.3987/com-12-s(n)53] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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43
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Peng J, Ye M, Zong C, Hu F, Feng L, Wang X, Wang Y, Chen C. Copper-Catalyzed Intramolecular C−N Bond Formation: A Straightforward Synthesis of Benzimidazole Derivatives in Water. J Org Chem 2010; 76:716-9. [DOI: 10.1021/jo1021426] [Citation(s) in RCA: 157] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jinsong Peng
- Department of Chemistry and Chemical Engineering, College of Science, Northeast Forestry University, Harbin, 150040, P. R. China
| | - Min Ye
- Department of Chemistry and Chemical Engineering, College of Science, Northeast Forestry University, Harbin, 150040, P. R. China
| | - Cuijuan Zong
- Department of Chemistry and Chemical Engineering, College of Science, Northeast Forestry University, Harbin, 150040, P. R. China
| | - Fangyun Hu
- Department of Chemistry and Chemical Engineering, College of Science, Northeast Forestry University, Harbin, 150040, P. R. China
| | - Lingtong Feng
- Department of Chemistry and Chemical Engineering, College of Science, Northeast Forestry University, Harbin, 150040, P. R. China
| | - Xiaoyan Wang
- Department of Chemistry and Chemical Engineering, College of Science, Northeast Forestry University, Harbin, 150040, P. R. China
| | - Yufeng Wang
- Department of Chemistry and Chemical Engineering, College of Science, Northeast Forestry University, Harbin, 150040, P. R. China
| | - Chunxia Chen
- Department of Chemistry and Chemical Engineering, College of Science, Northeast Forestry University, Harbin, 150040, P. R. China
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44
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Design, synthesis, and testing of an 6-O-linked series of benzimidazole based inhibitors of CDK5/p25. Bioorg Med Chem 2010; 19:359-73. [PMID: 21144757 DOI: 10.1016/j.bmc.2010.11.022] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2010] [Revised: 11/01/2010] [Accepted: 11/06/2010] [Indexed: 02/02/2023]
Abstract
Alzheimer's disease (AD) is a progressive neurodegenerative disease resulting in cognitive and behavioral impairment. The two classic pathological hallmarks of AD include extraneuronal deposition of amyloid β (Aβ) and intraneuronal formation of neurofibrillary tangles (NFTs). NFTs contain hyperphosphorylated tau. Tau is the major microtubule-associated protein in neurons and stabilizes microtubules (MTs). Cyclin dependent kinase 5 (CDK5), when activated by the regulatory binding protein p25, phosphorylates tau at a number of proline-directed serine/threonine residues, resulting in formation of phosphorylated tau as paired helical filaments (PHFs) then in subsequent deposition of PHFs as NFTs. Beginning with the structure of Roscovitine, a moderately selective CDK5 inhibitor, we sought to conduct structural modifications to increase inhibitory potency of CDK5 and increase selectivity over a similar enzyme, cyclin dependent kinase 2 (CDK2). The design, synthesis, and testing of a series of 1-isopropyl-4-aminobenzyl-6-ether-linked benzimidazoles is presented.
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45
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Lygin AV, de Meijere A. Synthesis of 1-Substituted Benzimidazoles fromo-Bromophenyl Isocyanide and Amines. European J Org Chem 2009. [DOI: 10.1002/ejoc.200900820] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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46
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Li C, Rosenau A. A practical strategy for the synthesis of 2-dialkylamino-4-arylamino-6-aminopyrimidines. Tetrahedron Lett 2009. [DOI: 10.1016/j.tetlet.2009.07.154] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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47
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Xiao Q, Wang WH, Liu G, Meng FK, Chen JH, Yang Z, Shi ZJ. Direct Imidation to Construct 1H-Benzo[d]imidazole through PdII-Catalyzed CH Activation Promoted by Thiourea. Chemistry 2009; 15:7292-6. [PMID: 19551776 DOI: 10.1002/chem.200900154] [Citation(s) in RCA: 122] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Qing Xiao
- Key Laboratory of Bioorganic Chemistry and Molecular Engineering of the Ministry of Education, College of Chemistry and Green Chemistry Center, Peking University, Beijing 100871
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48
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Banavali NK, Roux B. Flexibility and charge asymmetry in the activation loop of Src tyrosine kinases. Proteins 2009; 74:378-89. [PMID: 18623061 DOI: 10.1002/prot.22153] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Regulated activity of Src kinases is critical for cell growth. Src kinases can be activated by trans-phosphorylation of a tyrosine located in the central activation loop of the catalytic domain. However, because the required exposure of this tyrosine is not observed in the down-regulated X-ray structures of Src kinases, transient partial opening of the activation loop appears to be necessary for such processes. Umbrella sampling molecular dynamics simulations are used to characterize the free energy landscape of opening of the hydrophilic part of the activation loop in the Src kinase Hck. The loop prefers a partially open conformation where Tyr416 has increased accessibility, but remains partly shielded. An asymmetric distribution of the charged residues in the sequence near Tyr416, which contributes to shielding, is found to be conserved in Src family members. A conformational equilibrium involving exchange of electrostatic interactions between the conserved residues Glu310 and Arg385 or Arg409 affects activation loop opening. A mechanism for access of unphosphorylated Tyr416 into an external catalytic site is suggested based on these observations.
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Affiliation(s)
- Nilesh K Banavali
- Department of Biochemistry and Molecular Biology, Gordon Center for Integrative Science, University of Chicago, Chicago, Illinois 60637, USA
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49
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Chapter 12 Advances in the Discovery of Small Molecule JAK3 Inhibitors. ANNUAL REPORTS IN MEDICINAL CHEMISTRY 2009. [DOI: 10.1016/s0065-7743(09)04412-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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50
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Bhagwat SS. Kinase inhibitors for the treatment of inflammatory and autoimmune disorders. Purinergic Signal 2008; 5:107-15. [PMID: 18568424 PMCID: PMC2721774 DOI: 10.1007/s11302-008-9117-z] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2008] [Accepted: 05/13/2008] [Indexed: 12/03/2022] Open
Abstract
Drugs targeting inhibition of kinases for the treatment of inflammation and autoimmune disorders have become a major focus in the pharmaceutical and biotech industry. Multiple kinases from different pathways have been the targets of interest in this endeavor. This review describes some of the recent developments in the search for inhibitors of IKK2, Syk, Lck, and JAK3 kinases. It is anticipated that some of these compounds or newer inhibitors of these kinases will be approved for the treatment of rheumatoid arthritis, psoriasis, organ transplantation, and other autoimmune diseases.
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Affiliation(s)
- Shripad S Bhagwat
- Ambit Biosciences, 4215 Sorrento Valley Boulevard, San Diego, CA, 92121, USA,
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