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Su J, Yang X, Xu H, Pei Y, Liu QS, Zhou Q, Jiang G. Screening (ant)agonistic activities of xenobiotics on the retinoic acid receptor alpha (RARα) using in vitro and in silico analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 947:174717. [PMID: 38997027 DOI: 10.1016/j.scitotenv.2024.174717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 07/07/2024] [Accepted: 07/09/2024] [Indexed: 07/14/2024]
Abstract
Retinoic acid receptors (RARs) are known as crucial endocrine receptors that could mediate a broad diversity of biological processes. However, the data on endocrine disrupting effects of emerging chemicals by targeting RAR (ant)agonism are far from sufficient. Herein, we investigated the RARα agonistic or antagonistic activities for 75 emerging chemicals of concern, and explored their interactions with this receptor. A recombinant two-hybrid yeast assay was used to examine the RARα activities of the test chemicals, wherein 7 showed effects of RARα agonism and 54 exerted potentials of RARα antagonism. The representative chemicals with RARα agonistic activities, i.e. 4-hydroxylphenol (4-HP) and bisphenol AF (BPAF), significantly increased the mRNA levels of CRABP2 and CYP26A1, while 4 select chemicals with RARα antagonistic potentials, including bisphenol A (BPA), tetrabromobisphenol A (TBBPA), 4-tert-octylphenol (4-t-OP), and 4-n-nonylphenol (4-n-NP), conversely decreased the transcriptional levels of the test genes. The in silico molecular docking analysis using 3 different approaches further confirmed the substantial binding between the chemicals with RARα activities and this nuclear receptor protein. This work highlights the promising strategy for screening endocrine-disrupting effects of emerging chemicals of concern by targeting RARα (ant)agonism.
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Affiliation(s)
- Jiahui Su
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaoxi Yang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
| | - Hanqing Xu
- National and Local Joint Engineering Research Center of Ecological Treatment Technology for Urban Water Pollution, Wenzhou University, Wenzhou 325035, China
| | - Yao Pei
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Qian S Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Qunfang Zhou
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Guibin Jiang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
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Chakrovorty A, Bhattacharjee B, Saxena A, Samadder A, Nandi S. Current Naturopathy to Combat Alzheimer's Disease. Curr Neuropharmacol 2023; 21:808-841. [PMID: 36173068 PMCID: PMC10227918 DOI: 10.2174/1570159x20666220927121022] [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: 04/24/2022] [Revised: 06/13/2022] [Accepted: 07/18/2022] [Indexed: 11/22/2022] Open
Abstract
Neurodegeneration is the progressive loss of structure or function of neurons, which may ultimately involve cell death. The most common neurodegenerative disorder in the brain happens with Alzheimer's disease (AD), the most common cause of dementia. It ultimately leads to neuronal death, thereby impairing the normal functionality of the central or peripheral nervous system. The onset and prevalence of AD involve heterogeneous etiology, either in terms of genetic predisposition, neurometabolomic malfunctioning, or lifestyle. The worldwide relevancies are estimated to be over 45 million people. The rapid increase in AD has led to a concomitant increase in the research work directed towards discovering a lucrative cure for AD. The neuropathology of AD comprises the deficiency in the availability of neurotransmitters and important neurotrophic factors in the brain, extracellular betaamyloid plaque depositions, and intracellular neurofibrillary tangles of hyperphosphorylated tau protein. Current pharmaceutical interventions utilizing synthetic drugs have manifested resistance and toxicity problems. This has led to the quest for new pharmacotherapeutic candidates naturally prevalent in phytochemicals. This review aims to provide an elaborative description of promising Phyto component entities having activities against various potential AD targets. Therefore, naturopathy may combine with synthetic chemotherapeutics to longer the survival of the patients.
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Affiliation(s)
- Arnob Chakrovorty
- Department of Zoology, Cytogenetics and Molecular Biology Lab., University of Kalyani, Kalyani, 741235, India
| | - Banani Bhattacharjee
- Department of Zoology, Cytogenetics and Molecular Biology Lab., University of Kalyani, Kalyani, 741235, India
| | - Aaruni Saxena
- Department of Cardiovascular Medicine, University of Nottingham, Nottingham, United Kingdom
| | - Asmita Samadder
- Department of Zoology, Cytogenetics and Molecular Biology Lab., University of Kalyani, Kalyani, 741235, India
| | - Sisir Nandi
- Department of Pharmaceutical Chemistry, Global Institute of Pharmaceutical Education and Research, Affiliated to Uttarakhand Technical University, Kashipur, 244713, India
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Li J, Sun M, Cui X, Li C. Protective Effects of Flavonoids against Alzheimer's Disease: Pathological Hypothesis, Potential Targets, and Structure-Activity Relationship. Int J Mol Sci 2022; 23:ijms231710020. [PMID: 36077418 PMCID: PMC9456554 DOI: 10.3390/ijms231710020] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 08/22/2022] [Accepted: 08/26/2022] [Indexed: 11/20/2022] Open
Abstract
Alzheimer’s disease (AD) is a neurodegenerative disease with high morbidity and mortality, for which there is no available cure. Currently, it is generally believed that AD is a disease caused by multiple factors, such as amyloid-beta accumulation, tau protein hyperphosphorylation, oxidative stress, and inflammation. Multitarget prevention and treatment strategies for AD are recommended. Interestingly, naturally occurring dietary flavonoids, a class of polyphenols, have been reported to have multiple biological activities and anti-AD effects in several AD models owing to their antioxidative, anti-inflammatory, and anti-amyloidogenic properties. In this review, we summarize and discuss the existing multiple pathogenic factors of AD. Moreover, we further elaborate on the biological activities of natural flavonoids and their potential mode of action and targets in managing AD by presenting a wide range of experimental evidence. The gathered data indicate that flavonoids can be regarded as prophylactics to slow the advancement of AD or avert its onset. Different flavonoids have different activities and varying levels of activity. Further, this review summarizes the structure–activity relationship of flavonoids based on the existing literature and can provide guidance on the design and selection of flavonoids as anti-AD drugs.
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Affiliation(s)
- Jiao Li
- School of Life Science, Shanxi University, Taiyuan 030006, China
- Correspondence: (J.L.); (C.L.); Tel.: +86-351-701-9371 (J.L.); Fax: +86-351-701-1499 (J.L. & C.L.)
| | - Min Sun
- School of Life Science, Shanxi University, Taiyuan 030006, China
| | - Xiaodong Cui
- Institute of Biotechnology, Shanxi University, Taiyuan 030006, China
| | - Chen Li
- School of Life Science, Shanxi University, Taiyuan 030006, China
- Correspondence: (J.L.); (C.L.); Tel.: +86-351-701-9371 (J.L.); Fax: +86-351-701-1499 (J.L. & C.L.)
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Mondal S, Santra S, Uddin H, Pal K, Halder SK, Chattopadhyay S, Mondal KC. Application of Phytochemicals To Combat Fungal Pathogens of Pulses: An Approach toward Inhibition of Fungal Propagation and Invasin Activity. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:7662-7673. [PMID: 35699309 DOI: 10.1021/acs.jafc.1c07729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The present study represented an innovative strategy for inactivating the secreted invasins (lignocellulolytic enzymes) of fungal phytopathogens using natural phytochemicals to combat fungal infection to the pulses. A fungal pathogen (Aspergillus niger SKP1) was isolated from the white lentil (Vigna mungo), which has the ability to synthesize different lignocellulolytic enzymes. An in silico docking study elucidated that quercetin, naringin, epigallocatechin gallate, curcumin, and cinnamic acid were the prime efficient phytochemicals to inhibit the activity of fungal invasive enzymes like endoglucanase, endo-1,4-β-xylanase, and glucoamylase. Considering this observation, extracted phytochemicals in different mixtures were applied to prevent growth of the isolated pathogen under in situ experimental studies. The minimal inhibitory concentrations (MIC50) and minimal fungicidal concentration (MFC50) values of the first mixture (naringenin, epicatechin gallate, and cinnamic acid) and second mixture (quercetin and curcumin) were 170 and 220 mg/L and 320 and 380 mg/L, respectively. The studied phytochemicals were established to be cytosafe when compared to the commercial fungicides. The seeds of the white lentil were subjected to 1 year of long-term storage with the two aforementioned combinatorial phytochemicals. Subsequent morphological and physiological analyses revealed the complete protection of the stored seeds from the fungal infection. The present work has enough potentiality for the storage of pulses using natural preservatives that circumvent the adverse effect of the chemical preservatives on the ecosystem.
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Affiliation(s)
- Subhadeep Mondal
- Centre for Life Sciences, Vidyasagar University, Midnapore, West Bengal 721102, India
| | - Sourav Santra
- Department of Microbiology, Vidyasagar University, Midnapore, West Bengal 721102, India
| | - Hilal Uddin
- Centre for Life Sciences, Vidyasagar University, Midnapore, West Bengal 721102, India
| | - Kalyanbrata Pal
- Department of Microbiology, Vidyasagar University, Midnapore, West Bengal 721102, India
| | - Suman Kumar Halder
- Department of Microbiology, Vidyasagar University, Midnapore, West Bengal 721102, India
| | - Sandip Chattopadhyay
- Department of Biomedical Laboratory Science & Management, Vidyasagar University, Midnapore, West Bengal 721102, India
| | - Keshab Chandra Mondal
- Department of Microbiology, Vidyasagar University, Midnapore, West Bengal 721102, India
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Matin P, Hanee U, Alam MS, Jeong JE, Matin MM, Rahman MR, Mahmud S, Alshahrani MM, Kim B. Novel Galactopyranoside Esters: Synthesis, Mechanism, In Vitro Antimicrobial Evaluation and Molecular Docking Studies. Molecules 2022; 27:molecules27134125. [PMID: 35807371 PMCID: PMC9268324 DOI: 10.3390/molecules27134125] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 06/22/2022] [Accepted: 06/24/2022] [Indexed: 02/04/2023] Open
Abstract
One-step direct unimolar valeroylation of methyl α-D-galactopyranoside (MDG) mainly furnished the corresponding 6-O-valeroate. However, DMAP catalyzed a similar reaction that produced 2,6-di-O-valeroate and 6-O-valeroate, with the reactivity sequence as 6-OH > 2-OH > 3-OH,4-OH. To obtain novel antimicrobial agents, 6-O- and 2,6-di-O-valeroate were converted into several 2,3,4-tri-O- and 3,4-di-O-acyl esters, respectively, with other acylating agents in good yields. The PASS activity spectra along with in vitro antimicrobial evaluation clearly indicated that these MDG esters had better antifungal activities than antibacterial agents. To rationalize higher antifungal potentiality, molecular docking was conducted with sterol 14α-demethylase (PDB ID: 4UYL, Aspergillus fumigatus), which clearly supported the in vitro antifungal results. In particular, MDG ester 7−12 showed higher binding energy than the antifungal drug, fluconazole. Additionally, these compounds were found to have more promising binding energy with the SARS-CoV-2 main protease (6LU7) than tetracycline, fluconazole, and native inhibitor N3. Detailed investigation of Ki values, absorption, distribution, metabolism, excretion, and toxicity (ADMET), and the drug-likeness profile indicated that most of these compounds satisfy the drug-likeness evaluation, bioavailability, and safety tests, and hence, these synthetic novel MDG esters could be new antifungal and antiviral drugs.
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Affiliation(s)
- Priyanka Matin
- Bioorganic and Medicinal Chemistry Laboratory, Department of Chemistry, Faculty of Science, University of Chittagong, Chittagong 4331, Bangladesh; (P.M.); (U.H.)
| | - Umme Hanee
- Bioorganic and Medicinal Chemistry Laboratory, Department of Chemistry, Faculty of Science, University of Chittagong, Chittagong 4331, Bangladesh; (P.M.); (U.H.)
| | - Muhammad Shaiful Alam
- Department of Pharmacy, University of Science and Technology Chittagong, Chittagong 4202, Bangladesh;
| | - Jae Eon Jeong
- Department of Pathology, College of Korean Medicine, Kyung Hee University, Seoul 02447, Korea;
| | - Mohammed Mahbubul Matin
- Bioorganic and Medicinal Chemistry Laboratory, Department of Chemistry, Faculty of Science, University of Chittagong, Chittagong 4331, Bangladesh; (P.M.); (U.H.)
- Correspondence: (M.M.M.); (B.K.); Tel.: +880-1716-839689 (M.M.M.)
| | - Md. Rezaur Rahman
- Department of Chemical Engineering and Energy Sustainability, Faculty of Engineering, Universiti Malaysia Sarawak, Kota Samarahan 94300, Malaysia;
| | - Shafi Mahmud
- Division of Genome Sciences and Cancer, The John Curtin School of Medical Research, The Shine-Dalgarno Centre for RNA Innovation, The Australian National University, Canberra, ACT 2601, Australia;
| | - Mohammed Merae Alshahrani
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, Najran University, Najran 61441, Saudi Arabia;
| | - Bonglee Kim
- Department of Pathology, College of Korean Medicine, Kyung Hee University, Seoul 02447, Korea;
- Correspondence: (M.M.M.); (B.K.); Tel.: +880-1716-839689 (M.M.M.)
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He C, Heidari Majd M, Shiri F, Shahraki S. Palladium and platinum complexes of folic acid as new drug delivery systems for treatment of breast cancer cells. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.129806] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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