Article
Biochemistry & Molecular Biology
Edoardo Cellupica, Gianluca Caprini, Paola Cordella, Cyprian Cukier, Gianluca Fossati, Mattia Marchini, Ilaria Rocchio, Giovanni Sandrone, Maria Antonietta Vanoni, Barbara Vergani, Karol Zrubek, Andrea Stevenazzi, Christian Steinkuhler
Summary: HDAC6 is an attractive drug development target due to its involvement in immune response, neuropathy, and cancer. Current HDAC6 inhibitors have limited selectivity, leading to potential side effects. This study discovered that compounds containing DFMO are potent and selective inhibitors of HDAC6, with an unprecedented selectivity over other HDAC subtypes. Understanding the mechanism of action of DFMO derivatives could lead to the development of highly selective HDAC6 inhibitors with important therapeutic implications.
JOURNAL OF BIOLOGICAL CHEMISTRY
(2023)
Article
Chemistry, Medicinal
Stefano Zoroddu, Paola Corona, Luca Sanna, Federica Borghi, Valentina Bordoni, Battistina Asproni, Gerard A. Pinna, Luigi Bagella, Gabriele Murineddu
Summary: A library of novel 1,3,4-oxadiazole bioisosteres was synthesized and evaluated for their cytotoxic activity. Several of the new compounds showed potent anticancer activity, surpassing the previously synthesized oxadiazole compound. The nature of the selenadiazole and thiadiazole rings may play a crucial role in the antitumor activity. These compounds exhibited strong cytotoxic effects in tumor cells compared to human primary cells.
EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Ya Wang, Shiqiang Mu, Xin Li, Qiuling Song
Summary: A facile synthesis method for 1,3,4-oxadiazoles and 1,3,4-oxadiazoles-d5 via [4 + 1] cyclization of ClCF2COONa with non-amine compounds containing amino groups is developed. This is the first time halofluorinated compounds are used as C1 synthon to construct deuterated nitrogen-heterocyclic compounds. The current protocol features simple operation, readily accessible raw materials, wide substrate scope, and valuable products.
CHINESE CHEMICAL LETTERS
(2022)
Article
Chemistry, Medicinal
Nguyen Phu Quy, Bui Thi Buu Hue, Kiep Minh Do, Ha Thi Kim Quy, Tran Quang De, Tran Thi Bich Phuong, Pham Cong Trang, Nguyen Cuong Quoc, Hiroyuki Morita
Summary: In this study, two series of 2-substituted benzimidazole conjugated 1,3,4-oxadiazole derivatives were synthesized and evaluated for their cytotoxic activities against three human cancer cell lines. Compounds 4b, 4d, and 4i exhibited strong antitumor activity and are potential candidates for further characterization.
CHEMICAL & PHARMACEUTICAL BULLETIN
(2022)
Article
Chemistry, Physical
Sunil L. Dhonnar, Rahul A. More, Vishnu A. Adole, Bapu S. Jagdale, Nutan Sadgir, Santosh S. Chobe
Summary: A series of 1,3,4-oxadiazole derivatives were synthesized and characterized. The synthesized compounds exhibited significant antibacterial and antifungal activity, as well as good antioxidant properties and low cytotoxicity. Three compounds showed higher antibacterial activity.
JOURNAL OF MOLECULAR STRUCTURE
(2022)
Article
Biochemistry & Molecular Biology
Sravani Sana, Velma Ganga Reddy, T. Srinivasa Reddy, Ramya Tokala, Rahul Kumar, Suresh K. Bhargava, Nagula Shankaraiah
Summary: The study introduces a novel class of compounds with moderate to interesting cytotoxicity against various cancer cell lines, with compound 18i showing the highest potency and specificity towards A549 (lung cancer) cells. Flow cytometry analysis revealed that 18i induced G2/M phase cell cycle arrest, indicating potential anticancer activity. The most active compound, 18i, demonstrated enhanced microtubule disruption and significant antitumor effects through multiple mechanisms, including apoptosis induction, ROS generation, and inhibition of cellular migration.
BIOORGANIC CHEMISTRY
(2021)
Article
Cell Biology
Lyu Weidong, Luca Sanna, Valentina Bordoni, Zeng Tiansheng, Li Chengxun, Gabriele Murineddu, Gerard A. Pinna, David J. Kelvin, Luigi Bagella
Summary: A novel unsymmetrical 1,3,4-oxadiazole compound called 2j was discovered with antiproliferative properties, which acts as a tubulin inhibitor mainly affecting tumor cells through the cell cycle, FoxO signaling pathway, apoptotic, and p53 signaling pathways. The possible targets of 2j were identified as TUBA1A and TUBA4A, and molecular docking results showed its interaction at the colchicine-binding site on tubulin. Through RNA-seq and functional enrichment analysis, the molecular mechanisms and potential targets of 2j were further investigated.
JOURNAL OF CELLULAR PHYSIOLOGY
(2021)
Article
Agriculture, Multidisciplinary
Jingyue Dong, Wei Gao, Kun Li, Zeyu Hong, Liangfu Tang, Lijun Han, Zhihong Wang, Zhijin Fan
Summary: In this study, a series of psoralen-based 1,3,4-oxadiazole derivatives were designed, synthesized, and evaluated for their fungicidal activity. The results showed that compounds 11d, 11e, 11g, 11i, and 12a exhibited excellent in vitro fungicidal activity against Botrytis cinerea. Compounds 11g and 11i also demonstrated promising in vivo fungicidal activity. Enzymatic assays revealed that compound 11i had good BcPK inhibition, suggesting its potential as a new lead compound targeting PK. Molecular docking provided insights into the binding mode of compound 11i in the BcPK active site. These findings contribute to the further structural optimization of fungicides targeting PK.
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
(2022)
Article
Chemistry, Physical
Ahmed A. E. Mourad, Youstina W. Rizzk, Islam Zaki, Faten Z. Mohammed, Mohammed El Behery
Summary: A series of hybrid organic nitrogen compounds were synthesized and confirmed through spectroscopic techniques, showing potent antitumor activity by inducing cell cycle arrest and apoptosis in cancer cells. The compounds also exhibited strong inhibitory effects against beta-tubulin polymerization and topoisomerase up enzyme.
JOURNAL OF MOLECULAR STRUCTURE
(2021)
Article
Chemistry, Medicinal
Sherif M. H. Sanad, Ahmed E. M. Mekky, Ahmed A. M. Ahmed
Summary: In this study, a new series of pyrrole-linked mono- and bis(1,3,4-oxadiazole) hybrids were synthesized and their cytotoxicity was tested. The hybrids attached to p-nitro and p-acetoxy units showed promising anticancer activity and potential as thymidylate synthase inhibitors.
ARCHIV DER PHARMAZIE
(2022)
Article
Chemistry, Physical
Farman Ali Khan, Aziz Ur Rehman, Muhammad Athar Abbasi, Sahib Gul Afridi, Asifullah Khan, Muhammad Arif Lodhi, Ajmal Khan
Summary: The study investigated the Michaelis-Menten kinetics of urease inhibitors with acetamide hybrids of N-substituted 1,3,4-oxadiazoles and piperidines. Competitive enzyme inhibition was observed with Ki values ranging from 3.11 +/- 0.2 to 5.20 +/- 0.7 μM, and molecular docking supported the inhibitory mechanisms. The compounds were found to be non-toxic to human neutrophils and plants, showing promising potential for further development.
JOURNAL OF MOLECULAR STRUCTURE
(2021)
Review
Biochemistry & Molecular Biology
Yingqian Zhang, Chenyuan Wu, Nana Zhang, Rui Fan, Yang Ye, Jun Xu
Summary: Pyrazole derivatives, a class of heterocyclic compounds, possess unique chemical structures and exhibit a broad spectrum of pharmacological activities. Recent studies have focused on synthesizing and evaluating pyrazole derivatives for their anticancer potential. Structure-activity relationship studies have shown that appropriate substitution on the pyrazole ring can enhance anticancer efficacy and selectivity. Furthermore, these derivatives have demonstrated multiple mechanisms of anticancer action, making them promising candidates for developing anticancer drugs.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Polymer Science
Ibrahim Bargathulla, Babu Aadhil Ashwaq, S. Sathiyaraj, A. Sultan Nasar, ElangovanVellaichamy
Summary: PEGylated polyurethane dendrimers showed significant cytotoxicity in human cancer cells, especially in breast and lung cancer cells. Protein marker analysis revealed that the PEGylated dendrimers induced apoptosis in cancer cells, suggesting potential anticancer activity.
EUROPEAN POLYMER JOURNAL
(2021)
Article
Biochemistry & Molecular Biology
Marcin Luczyliski, Kornelia Kubiesa, Agnieszka Kudelko
Summary: A series of new symmetrical 2,5-dialkyl-1,3,4-oxadiazoles containing substituted alkyl groups at the terminal positions with substituents, such as bromine, isopropyloxycarbonylmethylamino, and carboxymethylamino, were successfully synthesized. The structure of all products was confirmed by conventional spectroscopic methods including H-1 NMR, C-13 NMR, and HRMS.
Article
Oncology
Sushmitha Bujji, Edigi P. Kumar, K. Sivan, D. H. Manjunatha, N. J. P. Subhashini
Summary: A synthetic route to link benzoxazoles with oxadiazoles was designed, resulting in a better pharmacophore for anticancer activity. A series of novel amide derivatives were synthesized and screened in vitro, and compound 10b exhibited potent anticancer activity in three cell lines.
ANTI-CANCER AGENTS IN MEDICINAL CHEMISTRY
(2022)
Article
Chemistry, Medicinal
Mukund P. Tantak, Vishakha Gupta, Kumar Nikhil, V. Arun, Rajnish Prakash Singh, Prabhat Nath Jha, Kavita Shah, Dalip Kumar
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
(2016)
Article
Chemistry, Medicinal
Swapna Sundaree, Buchi Reddy Vaddula, Mukund P. Tantak, Santosh B. Khandagale, Chun Shi, Kavita Shah, Dalip Kumar
MEDICINAL CHEMISTRY RESEARCH
(2016)
Article
Chemistry, Multidisciplinary
Venkataramana P. O. Reddy, Mukund P. Tantak, Reyna Valdez, Rajnish Prakash Singh, Okram Mukherjee Singh, Rachna Sadana, Dalip Kumar
Article
Multidisciplinary Sciences
Buchi Reddy Vaddula, Mukund P. Tantak, Rachana Sadana, Michael A. Gonzalez, Dalip Kumar
SCIENTIFIC REPORTS
(2016)
Article
Chemistry, Medicinal
Mukund P. Tantak, Linus Klingler, V. Arun, Anil Kumar, Rachna Sadana, Dalip Kumar
EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY
(2017)
Article
Chemistry, Organic
Manish Kumar Mehra, Mukund P. Tantak, V. Arun, Indresh Kumar, Dalip Kumar
ORGANIC & BIOMOLECULAR CHEMISTRY
(2017)
Article
Biochemistry & Molecular Biology
Dipanwita Das Mukherjee, N. Maruthi Kumar, Mukund P. Tantak, Satabdi Datta, Debabrata Ghosh Dastidar, Dalip Kumar, Gopal Chakrabarti
BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH
(2020)
Article
Chemistry, Medicinal
Mukund P. Tantak, Vandana Sekhar, Xianzun Tao, R. Grace Zhai, Otto Phanstiel
Summary: A spermine prodrug was developed in this study, which successfully increased intracellular spermine levels in SRS fibroblasts. Administering the prodrug in a Drosophila SRS model showed significant beneficial effects, providing a lead compound for future spermine replacement therapy experiments.
JOURNAL OF MEDICINAL CHEMISTRY
(2021)
Article
Biochemistry & Molecular Biology
Jay P. McLaughlin, Ramanjaneyulu Rayala, Ashley J. Bunnell, Mukund P. Tantak, Shainnel O. Eans, Khadija Nefzi, Michelle L. Ganno, Colette T. Dooley, Adel Nefzi
Summary: The synthesis of bis-cyclic guanidine heterocyclic peptidomimetics has shown potential as a new class of analgesics with multifunctional opioid receptor activity, offering reduced side effects and minimizing the risk of respiratory depression.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Chemistry, Medicinal
Aiste Dobrovolskaite, Holly Moots, Mukund P. Tantak, Kunal Shah, Jenna Thomas, Sharifa Dinara, Chelsea Massaro, Paul M. Hershberger, Patrick R. Maloney, Satyamaheshwar Peddibhotla, Eliot Sugarman, Sally Litherland, Juan Pablo Arnoletti, Rajiv Kumar Jha, David Levens, Otto Phanstiel
Summary: This study discovered a compound that potentiates the ODC inhibitor DFMO and identified FUBP1 as its target. The compound works synergistically with DFMO to limit cell growth and affects the expression levels of FUBP1-associated genes and intracellular polyamines.
JOURNAL OF MEDICINAL CHEMISTRY
(2022)
Article
Chemistry, Medicinal
Mukund Tantak, Ramanjaneyulu Rayala, Zifang Deng, Ashley Bunnell, Ting Wang, Prakash Chaudhari, Fenfei Leng, Adel Nefzi
Summary: Polyheterocycles are desirable synthetic targets with valuable applications. This study reports the parallel synthesis of novel linear oligocyclic guanidine peptidomimetics and their screening as Mycobacterium tuberculosis DNA gyrase inhibitors. These compounds do not inhibit human DNA topoisomerase IIα and topoisomerase I.
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
(2023)
Article
Oncology
Mukund P. Tantaka, Dipanwita Das Mukherjee, Anil Kumar, Gopal Chakrabarti, Dalip Kumar
ANTI-CANCER AGENTS IN MEDICINAL CHEMISTRY
(2017)
Article
Chemistry, Medicinal
P. O. Venkataramana Reddy, Shriprada Mishra, Mukund P. Tantak, Kumar Nikhil, Rachna Sadana, Kavita Shah, Dalip Kumar
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
(2017)
Article
Biochemistry & Molecular Biology
S. N. C. Sridhar, George Ginson, P. O. Venkataramana Reddy, Mukund P. Tantak, Dalip Kumar, Atish T. Paul
BIOORGANIC & MEDICINAL CHEMISTRY
(2017)
Article
Chemistry, Medicinal
Shibin Zhao, Julian Maceren, Mia Chung, Samantha Stone, Raphael Geiben, Melissa L. Boby, Bradley S. Sherborne, Derek S. Tan
Summary: Antibiotic resistance is a major threat to public health, with Gram-negative bacteria presenting unique challenges due to their low permeability and efflux pumps. Limited understanding of the chemical rules for overcoming these barriers hinders antibacterial drug discovery. Efforts to address this issue, such as screening compound libraries and using cheminformatic analysis, have led to the design of sulfamidoadenosines with diverse substituents, showing potential utility in accumulation in Escherichia coli.
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
(2024)
Article
Chemistry, Medicinal
Jichun Li, Qing Li, Shuai Xia, Jiahuang Tu, Longbo Zheng, Qian Wang, Shibo Jiang, Chao Wang
Summary: This study successfully developed a short peptide mimetic as a MERS-CoV fusion inhibitor by reproducing the key recognition features of the HR2 helix. The resulting 23-mer lipopeptide showed comparable inhibitory effect to the 36-mer HR2 peptide HR2P-M2. This has important implications for developing short peptide-based antiviral agents to treat MERS-CoV infection.
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
(2024)
Article
Chemistry, Medicinal
Krista Jaunsleine, Linda Supe, Jana Spura, Sten van Beek, Anna Sandstrom, Jessica Olsen, Carina Halleskog, Tore Bengtsson, Ilga Mutule, Benjamin Pelcman
Summary: Beta(2)-adrenergic receptor agonists can stimulate glucose uptake by skeletal muscle cells and are therefore potential treatments for type 2 diabetes. The chirality of compounds has a significant impact on the activity of these agonists. This study found that certain synthesized compounds showed higher glucose uptake activity. These findings provide important information for the design of novel beta(2)AR agonists for T2D treatment.
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
(2024)
Article
Chemistry, Medicinal
Xin Xu, Jia Chen, Guan Wang, Xiaojuan Zhang, Qiang Li, Xiaobo Zhou, Fengying Guo, Min Li
Summary: The study focuses on EZH2, a promising therapeutic target for various types of cancers. Researchers designed and synthesized a series of novel derivatives aiming to enhance the EZH2 inhibition activity. Among them, compound 28 displayed potent EZH2 inhibition activity and showed high anti-proliferative effects in lymphoma cell lines and xenograft mouse models. The study suggests that compound 28 has potential as a therapeutic candidate for EZH2-associated cancers.
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
(2024)
Article
Chemistry, Medicinal
Wei Zhang, Wei Liu, Ya-Dong Zhao, Li-Zi Xing, Ji Xu, Rui-Jun Li, Yun-Xiao Zhang
Summary: This study developed a series of aromatic amide derivatives based on Rhein and investigated their inhibitory activity against alpha-Syn aggregation. Two of these compounds showed promising potential in treating Parkinson's disease by stabilizing alpha-Syn's conformation and disassembling alpha-Syn oligomers and fibrils.
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
(2024)
Article
Chemistry, Medicinal
Mani Sharma, S. S. S. S. Sudha Ambadipudi, Neeraj Kumar Chouhan, V. Lakshma Nayak, Srihari Pabbaraja, Sai Balaji Andugulapati, Ramakrishna Sistla
Summary: Therapeutically active lipids in drug delivery systems can enhance the safety and efficacy of treatment. The liposome formulation created using synthesized biologically active lipids showed additive anti-cancer effects and reduced tumorigenic potential.
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
(2024)