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Haroon F, Farwa U, Arif M, Raza MA, Sandhu ZA, El Oirdi M, Farhan M, Alhasawi MAI. Novel Para-Aminobenzoic Acid Analogs and Their Potential Therapeutic Applications. Biomedicines 2023; 11:2686. [PMID: 37893060 PMCID: PMC10604881 DOI: 10.3390/biomedicines11102686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 09/23/2023] [Accepted: 09/26/2023] [Indexed: 10/29/2023] Open
Abstract
A "building block" is a key component that plays a substantial and critical function in the pharmaceutical research and development industry. Given its structural versatility and ability to undergo substitutions at both the amino and carboxyl groups, para-aminobenzoic acid (PABA) is a commonly used building block in pharmaceuticals. Therefore, it is great for the development of a wide range of novel molecules with potential medical applications. Anticancer, anti-Alzheimer's, antibacterial, antiviral, antioxidant, and anti-inflammatory properties have been observed in PABA compounds, suggesting their potential as therapeutic agents in future clinical trials. PABA-based therapeutic chemicals as molecular targets and their usage in biological processes are the primary focus of this review study. PABA's unique features make it a strong candidate for inclusion in a massive chemical database of molecules having drug-like effects. Based on the current literature, further investigation is needed to evaluate the safety and efficacy of PABA derivatives in clinical investigations and better understand the specific mechanism of action revealed by these compounds.
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Affiliation(s)
- Faisal Haroon
- Department of Basic Sciences, Preparatory Year Deanship, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Umme Farwa
- Department of Chemistry, Hafiz Hayat Campus, University of Gujrat, Gujrat 50700, Pakistan
| | - Maimoona Arif
- Department of Chemistry, Hafiz Hayat Campus, University of Gujrat, Gujrat 50700, Pakistan
| | - Muhammad Asam Raza
- Department of Chemistry, Hafiz Hayat Campus, University of Gujrat, Gujrat 50700, Pakistan
| | - Zeshan Ali Sandhu
- Department of Chemistry, Hafiz Hayat Campus, University of Gujrat, Gujrat 50700, Pakistan
| | - Mohamed El Oirdi
- Department of Basic Sciences, Preparatory Year Deanship, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Mohd Farhan
- Department of Basic Sciences, Preparatory Year Deanship, King Faisal University, Al-Ahsa 31982, Saudi Arabia
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Pulya S, Himaja A, Paul M, Adhikari N, Banerjee S, Routholla G, Biswas S, Jha T, Ghosh B. Selective HDAC3 Inhibitors with Potent In Vivo Antitumor Efficacy against Triple-Negative Breast Cancer. J Med Chem 2023; 66:12033-12058. [PMID: 37660352 DOI: 10.1021/acs.jmedchem.3c00614] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/05/2023]
Abstract
HDAC3 modulation shows promise for breast cancer, including triple-negative cases. Novel pyrazino-hydrazide-based HDAC3 inhibitors were designed and synthesized. Lead compound 4i exhibited potent HDAC3 inhibition (IC50 = 14 nM) with at least 121-fold selectivity. It demonstrated strong cytotoxicity against triple-negative breast cancer cells (IC50: 0.55 μM for 4T1, 0.74 μM for MDA-MB-231) with least normal cell toxicity. Metabolically stable 4i displayed a superior pharmacokinetic profile. A dose-dependent therapeutic efficacy of 4i was observed in a tumor-bearing mouse model. The biomarker analysis with tumor tissues displayed enhanced acetylation on Ac-H3K9, Ac-H3K27, and Ac-H4K12 compared to Ac-tubulin and Ac-SMC3 indicating HDAC3 selectivity of 4i in vivo. The immunoblotting study with tumor tissue showed upregulation of apoptotic proteins caspase-3, caspase-7, and cytochrome c and the downregulation of proliferation markers Bcl-2, CD44, EGFR, and Ki-67. Compound 4i represents a promising candidate for targeted breast cancer therapy, particularly for cases with triple-negative breast cancer.
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Affiliation(s)
- Sravani Pulya
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science-Pilani Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Ambati Himaja
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science-Pilani Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Milan Paul
- Nanomedicine Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science-Pilani Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Nilanjan Adhikari
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, P.O. Box 17020, Kolkata, West Bengal 700032, India
| | - Suvankar Banerjee
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, P.O. Box 17020, Kolkata, West Bengal 700032, India
| | - Ganesh Routholla
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science-Pilani Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Swati Biswas
- Nanomedicine Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science-Pilani Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Tarun Jha
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, P.O. Box 17020, Kolkata, West Bengal 700032, India
| | - Balaram Ghosh
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science-Pilani Hyderabad Campus, Shamirpet, Hyderabad 500078, India
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Rajaraman S, Balakrishnan R, Deshmukh D, Ganorkar A, Biswas S, Pulya S, Ghosh B. HDAC8 as an emerging target in drug discovery with special emphasis on medicinal chemistry. Future Med Chem 2023; 15:885-908. [PMID: 37227732 DOI: 10.4155/fmc-2023-0054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Accepted: 05/04/2023] [Indexed: 05/26/2023] Open
Abstract
HDAC8 catalyzes the deacetylation of both histones and nonhistone proteins. The abnormal expression of HDAC8 is associated with various pathological conditions causing cancer and other diseases like myopathies, Cornelia de Lange syndrome, renal fibrosis, and viral and parasitic infections. The substrates of HDAC8 are involved in diverse molecular mechanisms of cancer such as cell proliferation, invasion, metastasis and drug resistance. Based on the crystal structures and the key residues at the active site, HDAC8 inhibitors have been designed along the canonical pharmacophore. This article details the importance, recent advancements, and the structural and functional aspects of HDAC8 with special emphasis on the medicinal chemistry aspect of HDAC8 inhibitors that will help in developing novel epigenetic therapeutics.
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Affiliation(s)
- Srinidhi Rajaraman
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology & Science-Pilani, Hyderabad Campus, Shamirpet, Hyderabad, 500078, India
| | - Ranjani Balakrishnan
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology & Science-Pilani, Hyderabad Campus, Shamirpet, Hyderabad, 500078, India
| | - Dhruv Deshmukh
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology & Science-Pilani, Hyderabad Campus, Shamirpet, Hyderabad, 500078, India
| | - Abhiram Ganorkar
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology & Science-Pilani, Hyderabad Campus, Shamirpet, Hyderabad, 500078, India
| | - Swati Biswas
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology & Science-Pilani, Hyderabad Campus, Shamirpet, Hyderabad, 500078, India
| | - Sravani Pulya
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology & Science-Pilani, Hyderabad Campus, Shamirpet, Hyderabad, 500078, India
| | - Balaram Ghosh
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology & Science-Pilani, Hyderabad Campus, Shamirpet, Hyderabad, 500078, India
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Kassab AE. Anticancer agents incorporating the N-acylhydrazone scaffold: Progress from 2017 to present. Arch Pharm (Weinheim) 2023; 356:e2200548. [PMID: 36638264 DOI: 10.1002/ardp.202200548] [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: 10/16/2022] [Revised: 12/20/2022] [Accepted: 12/23/2022] [Indexed: 01/15/2023]
Abstract
The N-acylhydrazone motif has been shown to be particularly adaptable and promising in the area of medicinal chemistry and drug development, due to its significant biological and pharmacological characteristics. Moreover, N-acylhydrazones are appealing synthetic and biological tools because of their simple and straightforward synthesis. This scaffold has emerged as a fundamental building block for the synthesis of bioactive compounds. Particularly, the N-acylhydrazone scaffold served as a base for the synthesis of a number of potent anticancer agents acting via different mechanisms. An updated summary of the anticancer activity of N-acylhydrazone derivatives described in the literature (from 2017 to 2022) is provided in the current review. It discusses the structure-activity relationship (SAR) of N-acylhydrazone derivatives exhibiting anticancer potential, which could be helpful in designing and developing new derivatives as effective antiproliferative candidates in the future.
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Affiliation(s)
- Asmaa E Kassab
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Cairo University, Cairo, Egypt
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Pulya S, Patel T, Paul M, Adhikari N, Banerjee S, Routholla G, Biswas S, Jha T, Ghosh B. Selective inhibition of histone deacetylase 3 by novel hydrazide based small molecules as therapeutic intervention for the treatment of cancer. Eur J Med Chem 2022; 238:114470. [DOI: 10.1016/j.ejmech.2022.114470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 05/14/2022] [Accepted: 05/15/2022] [Indexed: 11/25/2022]
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Hamoud MMS, Osman NA, Rezq S, A A Abd El-Wahab H, E A Hassan A, Abdel-Fattah HA, Romero DG, Ghanim AM. Design and Synthesis of Novel 1,3,4-Oxadiazole and 1,2,4-Triazole Derivatives as Cyclooxygenase-2 Inhibitors with Anti-inflammatory and Antioxidant activity in LPS-stimulated RAW264.7 Macrophages. Bioorg Chem 2022; 124:105808. [PMID: 35447409 PMCID: PMC10965220 DOI: 10.1016/j.bioorg.2022.105808] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 03/12/2022] [Accepted: 04/10/2022] [Indexed: 02/07/2023]
Abstract
In an attempt to obtain new candidates with potential anti-inflammatory activity, two series of 1,3,4-oxadiazole based derivatives (8a-g) and 1,2,4-triazole based derivatives (10a,b and 11a-g) were synthesized and evaluated for their COX-1/COX-2 inhibitory activity. In vitro assays showed potent COX-2 inhibitory activity and selectivity of the novel designed compounds (IC50 = 0.04 - 0.16 μM, SI = 60.71 - 337.5) compared to celecoxib (IC50 = 0.045 μM, SI = 326.67). The anti-inflammatory and antioxidant activity of the synthesized compounds was investigated via testing their ability to inhibit pro-inflammatory [tumour necrosis factor (TNF-α) and interleukin-6 (IL-6)] and oxidative stress [nitric oxide (NO) and reactive oxygen species (ROS)] markers production in lipopolysaccharide (LPS)-activated RAW 264.7 macrophages. Most of the novel compounds exhibited potent anti-inflammatory and antioxidant activity. In particular, the novel compounds showed excellent IL-6 inhibitory activity (IC50 = 0.96 - 11.14 μM) when compared to celecoxib (IC50 = 13.04 μM) and diclofenac sodium (IC50 = 22.97 μM). Moreover, the most potent and selective COX-2 inhibitor 11c (IC50 = 0.04 μM, SI = 337.5) displayed significantly higher activity against NO and ROS production compared to celecoxib (IC50 = 2.60 and 3.01 μM vs. 16.47 and 14.30 μM, respectively). Molecular modelling studies of the novel designed molecules into COX-2 active sites analysed their binding affinity. In-silico simulation studies indicated their acceptable physicochemical properties and pharmacokinetic profiles. This study suggests that the novel synthesized COX-2 inhibitors exert potent anti-inflammatory and antioxidant activity, highlighting their potential as promising therapeutic agents for the treatment of inflammation and oxidative stress-related diseases.
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Affiliation(s)
- Mohamed M S Hamoud
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt
| | - Nermine A Osman
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt
| | - Samar Rezq
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Zagazig University, Egypt; Department of Cell and Molecular Biology, University of Mississippi Medical Center, Jackson, MS, USA; Mississippi Center for Excellence in Perinatal Research, University of Mississippi Medical Center, Jackson, MS, USA; Women's Health Research Center, University of Mississippi Medical Center, Jackson, MS, USA; Cardio Renal Research Center, University of Mississippi Medical Center, Jackson, MS, USA
| | - Hend A A Abd El-Wahab
- Department of Medicinal Chemistry, Faculty of Pharmacy, Assiut University, Assiut, Egypt
| | - Abdalla E A Hassan
- Department of Chemistry, Faculty of Science, Zagazig University, Zagazig 44519, Egypt
| | - Hanan A Abdel-Fattah
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt
| | - Damian G Romero
- Department of Cell and Molecular Biology, University of Mississippi Medical Center, Jackson, MS, USA; Mississippi Center for Excellence in Perinatal Research, University of Mississippi Medical Center, Jackson, MS, USA; Women's Health Research Center, University of Mississippi Medical Center, Jackson, MS, USA; Cardio Renal Research Center, University of Mississippi Medical Center, Jackson, MS, USA
| | - Amany M Ghanim
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt.
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Al-Warhi T, Aldhahrani A, Althobaiti F, Fayad E, Abu Ali OA, Albogami S, Abu Almaaty AH, Khedr AIM, Bukhari SNA, Zaki I. Design, Synthesis and Cytotoxic Activity Evaluation of Newly Synthesized Amides-Based TMP Moiety as Potential Anticancer Agents over HepG2 Cells. Molecules 2022; 27:molecules27123960. [PMID: 35745081 PMCID: PMC9227250 DOI: 10.3390/molecules27123960] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 05/21/2022] [Accepted: 06/07/2022] [Indexed: 11/17/2022] Open
Abstract
A novel series of amides based TMP moiety was designed, synthesized and evaluated for their antiproliferative as well as enzyme inhibition activity. Compounds 6a and 6b showed remarkable cytotoxic activity against HepG2 cells with IC50 values 0.65 and 0.92 μM, respectively compared with SAHA and CA-4 as reference compounds. In addition, compound 6a demonstrated good HDAC-tubulin dual inhibition activity as it showed better HDAC activity as well as anti-tubulin activity. Moreover, compound 6a exhibited G2/M phase arrest and pre-G1 apoptosis as demonstrated by cell cycle analysis and Annexin V assays. Further apoptosis studies demonstrated that compound 6a boosted the level of caspase 3/7. Caspase 3/7 activation and apoptosis induction were evidenced by decrease in mitochondrial permeability suggesting that activation of caspase 3/7 may occur via mitochondrial apoptotic pathway.
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Affiliation(s)
- Tarfah Al-Warhi
- Department of Chemistry, College of Science, Princess Nourah Bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia;
| | - Adil Aldhahrani
- Clinical Laboratory Sciences Department, Turabah University Faculty, Taif University, Taif 21995, Saudi Arabia;
| | - Fayez Althobaiti
- Department of Biotechnology, Faculty of Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; (F.A.); (E.F.); (S.A.)
| | - Eman Fayad
- Department of Biotechnology, Faculty of Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; (F.A.); (E.F.); (S.A.)
| | - Ola A. Abu Ali
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099 Taif 21944, Saudi Arabia;
| | - Sarah Albogami
- Department of Biotechnology, Faculty of Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; (F.A.); (E.F.); (S.A.)
| | - Ali H. Abu Almaaty
- Zoology Department, Faculty of Science, Port Said University, Port Said 42526, Egypt;
| | - Amgad I. M. Khedr
- Department of Pharmacognosy, Faculty of Pharmacy, Port Said University, Port Said 42526, Egypt;
| | - Syed Nasir Abbas Bukhari
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka 72388, Saudi Arabia;
| | - Islam Zaki
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Port Said University, Port Said 42526, Egypt
- Correspondence: ; Tel.: +20-1153436140
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Design, synthesis and structure-activity relationship studies of novel spirochromanone hydrochloride analogs as anticancer agents. Future Med Chem 2022; 14:325-342. [PMID: 34985322 DOI: 10.4155/fmc-2021-0237] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Aim: Literature reports suggest spirochromanone derivatives exhibit anticancer activity. Methodology: The authors designed and synthesized 18 spirochromanone derivatives (Csp 1-18). The compounds were characterized and evaluated for anticancer activity against human breast cancer (MCF-7) and murine melanoma (B16F10) cell lines. Results: The anticancer activity ranged from 4.34 to 29.31 μm. The most potent compounds, Csp 12 and Csp 18, were less toxic against the human embryonic kidney (HEK-293) cell line and ∼ two/∼four fold selective toward MCF-7 than B16F10 in comparison to the reference, BG-45. Csp 12 caused 28.6% total apoptosis, leading to significant cytotoxicity, and arrested the G2 phase of the cell cycle in B16F10 cells. A molecular docking study of Csp 12 exhibited effective binding at the active site of the epidermal growth factor receptor kinase domain. Conclusion: This study highlights the importance of spirochromanones as anticancer agents.
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Routholla G, Pulya S, Patel T, Adhikari N, Abdul Amin S, Paul M, Bhagavatula S, Biswas S, Jha T, Ghosh B. Design, synthesis and binding mode of interaction of novel small molecule o-hydroxy benzamides as HDAC3-selective inhibitors with promising antitumor effects in 4T1-Luc breast cancer xenograft model. Bioorg Chem 2021; 117:105446. [PMID: 34717237 DOI: 10.1016/j.bioorg.2021.105446] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Accepted: 10/18/2021] [Indexed: 01/24/2023]
Abstract
Histone deacetylase 3 (HDAC3) is one of the most promising targets to develop anticancer therapeutics. In continuation of our quest for selective HDAC3 inhibitors, a series of small molecules having o-hydroxy benzamide as the novel zinc binding group (ZBG) has been introduced for the first time that can be able to produce good HDAC3-selectivity over other HDACs. The most promising HDAC3 inhibitors, 11a and 12b, displayed promising in vitro anticancer activities with less toxicity to normal kidney cells. These compounds significantly upregulate histone acetylation and induce apoptosis with a G2/M phase arrest in B16F10 cells. Compound 11a exhibited potent antitumor efficacy in 4T1-Luc breast cancer xenograft mouse model in female Balb/c mice. It also showed significant tumor growth suppression with no general toxicity and extended survival rates post-tumor resection. It significantly induced higher ROS generation, leading to apoptosis. No considerable toxicity was noticed in major organs isolated from the compound 11a-treated mice. Compound 11a also induced the upregulation of acH3K9, acH4K12, caspase-3 and caspase-7 as analyzed by immunoblotting with treated tumor tissue. Overall, HDAC3 selective inhibitor 11a might be a potential lead for the clinical translation as an emerging drug candidate.
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Affiliation(s)
- Ganesh Routholla
- Epigenetic Research Laboratory, Department of Pharmacy, BITS-Pilani, Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Sravani Pulya
- Epigenetic Research Laboratory, Department of Pharmacy, BITS-Pilani, Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Tarun Patel
- Epigenetic Research Laboratory, Department of Pharmacy, BITS-Pilani, Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Nilanjan Adhikari
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, P. O. Box 17020, Jadavpur University, Kolkata 700032, West Bengal, India
| | - Sk Abdul Amin
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, P. O. Box 17020, Jadavpur University, Kolkata 700032, West Bengal, India
| | - Milan Paul
- Nanomedicine Research Laboratory, Department of Pharmacy, BITS-Pilani, Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Srividya Bhagavatula
- Epigenetic Research Laboratory, Department of Pharmacy, BITS-Pilani, Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Swati Biswas
- Nanomedicine Research Laboratory, Department of Pharmacy, BITS-Pilani, Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Tarun Jha
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, P. O. Box 17020, Jadavpur University, Kolkata 700032, West Bengal, India.
| | - Balaram Ghosh
- Epigenetic Research Laboratory, Department of Pharmacy, BITS-Pilani, Hyderabad Campus, Shamirpet, Hyderabad 500078, India.
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Frühauf A, Meyer-Almes FJ. Non-Hydroxamate Zinc-Binding Groups as Warheads for Histone Deacetylases. Molecules 2021; 26:5151. [PMID: 34500583 PMCID: PMC8434074 DOI: 10.3390/molecules26175151] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 08/22/2021] [Accepted: 08/24/2021] [Indexed: 12/11/2022] Open
Abstract
Histone deacetylases (HDACs) remove acetyl groups from acetylated lysine residues and have a large variety of substrates and interaction partners. Therefore, it is not surprising that HDACs are involved in many diseases. Most inhibitors of zinc-dependent HDACs (HDACis) including approved drugs contain a hydroxamate as a zinc-binding group (ZBG), which is by far the biggest contributor to affinity, while chemical variation of the residual molecule is exploited to create more or less selectivity against HDAC isozymes or other metalloproteins. Hydroxamates have a propensity for nonspecificity and have recently come under considerable suspicion because of potential mutagenicity. Therefore, there are significant concerns when applying hydroxamate-containing compounds as therapeutics in chronic diseases beyond oncology due to unwanted toxic side effects. In the last years, several alternative ZBGs have been developed, which can replace the critical hydroxamate group in HDACis, while preserving high potency. Moreover, these compounds can be developed into highly selective inhibitors. This review aims at providing an overview of the progress in the field of non-hydroxamic HDACis in the time period from 2015 to present. Formally, ZBGs are clustered according to their binding mode and structural similarity to provide qualitative assessments and predictions based on available structural information.
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Affiliation(s)
| | - Franz-Josef Meyer-Almes
- Department of Chemical Engineering and Biotechnology, University of Applied Sciences Darmstadt, Haardtring 100, 64295 Darmstadt, Germany;
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Adhikari N, Jha T, Ghosh B. Dissecting Histone Deacetylase 3 in Multiple Disease Conditions: Selective Inhibition as a Promising Therapeutic Strategy. J Med Chem 2021; 64:8827-8869. [PMID: 34161101 DOI: 10.1021/acs.jmedchem.0c01676] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The acetylation of histone and non-histone proteins has been implicated in several disease states. Modulation of such epigenetic modifications has therefore made histone deacetylases (HDACs) important drug targets. HDAC3, among various class I HDACs, has been signified as a potentially validated target in multiple diseases, namely, cancer, neurodegenerative diseases, diabetes, obesity, cardiovascular disorders, autoimmune diseases, inflammatory diseases, parasitic infections, and HIV. However, only a handful of HDAC3-selective inhibitors have been reported in spite of continuous efforts in design and development of HDAC3-selective inhibitors. In this Perspective, the roles of HDAC3 in various diseases as well as numerous potent and HDAC3-selective inhibitors have been discussed in detail. It will surely open up a new vista in the discovery of newer, more effective, and more selective HDAC3 inhibitors.
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Affiliation(s)
- Nilanjan Adhikari
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, P.O. Box 17020, Kolkata, 700032 West Bengal, India
| | - Tarun Jha
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, P.O. Box 17020, Kolkata, 700032 West Bengal, India
| | - Balaram Ghosh
- Epigenetic Research Laboratory, Department of Pharmacy, BITS-Pilani, Hyderabad Campus, Shamirpet, Hyderabad 500078, India
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Routholla G, Pulya S, Patel T, Abdul Amin S, Adhikari N, Biswas S, Jha T, Ghosh B. Synthesis, biological evaluation, and molecular docking analysis of novel linker-less benzamide based potent and selective HDAC3 inhibitors. Bioorg Chem 2021; 114:105050. [PMID: 34120025 DOI: 10.1016/j.bioorg.2021.105050] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 05/30/2021] [Indexed: 12/27/2022]
Abstract
A series of novel linker-less benzamides with different aryl and heteroaryl cap groups have been designed, synthesized, and screened as potent histone deacetylase (HDAC) inhibitors with promising anticancer activity. Two lead compounds 5e and 5f were found as potent and highly selective HDAC3 inhibitors over other Class-I HDACs and HDAC6. Compound 5e bearing a 6-quinolinyl moiety as the cap group was found to be a highly potent HDAC3 inhibitor (IC50 = 560 nM) and displayed 46-fold selectivity for HDAC3 over HDAC2, and 33-fold selectivity for HDAC3 over HDAC1. The synthesized compounds possess antiproliferative activities against different cancer cell lines and significantly less cytotoxic to normal cells. Molecular Docking studies of compounds 5e and 5f reveal a similar binding mode of interactions as CI994 at the HDAC3 active site. These observations agreed with the in vitro HDAC3 inhibitory activities. Significant enhancement of the endogenous acetylation level on H3K9 and H4K12 was found when B16F10 cells were treated with compounds 5e and 5f in a dose-dependent manner. The compounds induced apoptotic cell death in Annexin-V/FITC-PI assay and caused cell cycle arrest at G2/M phase of cell cycle in B16F10 cells. These compounds may serve as potential HDAC3 inhibitory anticancer therapeutics.
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Affiliation(s)
- Ganesh Routholla
- Epigenetic Research Laboratory, Department of Pharmacy, BITS-Pilani, Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Sravani Pulya
- Epigenetic Research Laboratory, Department of Pharmacy, BITS-Pilani, Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Tarun Patel
- Epigenetic Research Laboratory, Department of Pharmacy, BITS-Pilani, Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Sk Abdul Amin
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, P. O. Box 17020, Jadavpur University, Kolkata 700032, West Bengal, India
| | - Nilanjan Adhikari
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, P. O. Box 17020, Jadavpur University, Kolkata 700032, West Bengal, India
| | - Swati Biswas
- Epigenetic Research Laboratory, Department of Pharmacy, BITS-Pilani, Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Tarun Jha
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, P. O. Box 17020, Jadavpur University, Kolkata 700032, West Bengal, India
| | - Balaram Ghosh
- Epigenetic Research Laboratory, Department of Pharmacy, BITS-Pilani, Hyderabad Campus, Shamirpet, Hyderabad 500078, India.
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13
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Chitti S, Pulya S, Nandikolla A, Patel TK, Karan Kumar B, Murugesan S, Ghosh B, Sekhar KVGC. Design, synthesis and biological evaluation of 7-(5-((substituted - amino)-methyl)-thiophen-2-yl)-spiro-[chroman-2,4'-piperidin]-4-one hydrochloride analogues as anticancer agents. Bioorg Chem 2021; 112:104865. [PMID: 33812269 DOI: 10.1016/j.bioorg.2021.104865] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 03/22/2021] [Accepted: 03/22/2021] [Indexed: 11/29/2022]
Abstract
A series of thirty-one novel 7-(5-((amino)-methyl)-thiophen-2-yl)-spiro-[chroman-2,4'-piperidin]-4-one hydrochloride analogues (Cst 1 - 31) have been designed, synthesized and characterized by 1H NMR, 13C NMR and MS spectral analysis. Here, we evaluated the anticancer potential and biological results of low-molecular-weight bridgehead oxygen and nitrogen-containing spirochromanones on proliferation and apoptosis of the human breast cancer cell line (MCF-7) and Murine melanoma (B16F10). The anticancer activity ranged from 2.9 to 35.0 µM. The most potent compounds Cst-22, Cst-24 and Cst-31 were found to be less toxic against human embryonic kidney (HEK-293) cell lines. Cst-24 and Cst-31 were found to be causing significant cytotoxicity through apoptotic cell death and also G2 phase arrest of cell cycle in B16F10 cells. In-silico ADME prediction stidies of the titled compounds were found within the rules outlined, and these compounds may not face any pharmacokinetic associated issues in the mere future upon developmental stage. These conjugates may serve as a lead for the discovery of potential anticancer drug candidate with better therapeutic profile.
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Affiliation(s)
- Surendar Chitti
- Department of Chemistry, Birla Institute of Technology and Science, Pilani, Hyderabad Campus, Jawahar Nagar, Hyderabad 500 078, Telangana, India
| | - Sravani Pulya
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science, Pilani, Hyderabad Campus, Jawahar Nagar, Hyderabad 500 078, Telangana, India
| | - Adinarayana Nandikolla
- Department of Chemistry, Birla Institute of Technology and Science, Pilani, Hyderabad Campus, Jawahar Nagar, Hyderabad 500 078, Telangana, India
| | - Tarun Kumar Patel
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science, Pilani, Hyderabad Campus, Jawahar Nagar, Hyderabad 500 078, Telangana, India
| | - Banoth Karan Kumar
- Department of Pharmacy, Birla Institute of Technology and Science, Pilani Campus, Vidya vihar, Pilani 333031, Rajasthan, India
| | - Sankaranarayanan Murugesan
- Department of Pharmacy, Birla Institute of Technology and Science, Pilani Campus, Vidya vihar, Pilani 333031, Rajasthan, India
| | - Balaram Ghosh
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science, Pilani, Hyderabad Campus, Jawahar Nagar, Hyderabad 500 078, Telangana, India.
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Pulya S, Mahale A, Bobde Y, Routholla G, Patel T, Swati, Biswas S, Sharma V, Kulkarni OP, Ghosh B. PT3: A Novel Benzamide Class Histone Deacetylase 3 Inhibitor Improves Learning and Memory in Novel Object Recognition Mouse Model. ACS Chem Neurosci 2021; 12:883-892. [PMID: 33577290 DOI: 10.1021/acschemneuro.0c00721] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The importance of HDAC3 in transcriptional regulation of genes associated with long-term memory is well established. Here, we report a novel HDAC3 inhibitor, PT3, with an excellent blood-brain barrier permeability and ability to enhance long-term memory in mouse model of novel object recognition (NOR). PT3 exhibited higher selectivity for HDAC3 over HDAC1, HDAC6, and HDAC8 compared to the reference compound CI994. PT3 has significant distribution into the brain tissue with Cmax at 0.5 h and t1/2 of 2.5 h. Treatment with PT3 significantly improved the discrimination index in C57/BL6 mice in the NOR model. Brain tissue analysis of mice treated with PT3 for NOR test showed significant increase in H3K9 acetylation in hippocampus. Gene expression analysis by RT-qPCR of the hippocampus tissue revealed upregulation of CREB 1, BDNF, TRKB, Nr4a2, c-fos, PKA, GAP 43, PSD 95 and MMP9 expression in mice treated with PT3. Similar to the phenotype observed in the in vivo experiment, we found upregulation of H3K9 acetylation, CREB 1, BDNF, TRKB, Nr4a2, c-fos, PKA, GAP 43 and MMP9 expression in mouse neuronal (N2A) cells treated with PT3. Thus, our preclinical studies identify PT3 as a potential HDAC3 selective inhibitor that crosses the blood-brain barrier and improves the long-term memory formation in C57/BL6 mice. We propose PT3 as a candidate with therapeutic potential to treat age-related memory loss as well as other disorders with declined memory function like Alzheimer's disease.
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Affiliation(s)
- Sravani Pulya
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Hyderabad 500078, India
| | - Ashutosh Mahale
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Hyderabad 500078, India
| | - Yamini Bobde
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Hyderabad 500078, India
| | - Ganesh Routholla
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Hyderabad 500078, India
| | - Tarun Patel
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Hyderabad 500078, India
| | - Swati
- Department of Biological Science, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Hyderabad 500078, India
| | - Swati Biswas
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Hyderabad 500078, India
| | - Vivek Sharma
- Department of Biological Science, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Hyderabad 500078, India
| | - Onkar P. Kulkarni
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Hyderabad 500078, India
| | - Balaram Ghosh
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Hyderabad 500078, India
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15
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Amin SA, Trivedi P, Adhikari N, Routholla G, Vijayasarathi D, Das S, Ghosh B, Jha T. Quantitative activity–activity relationship (QAAR) driven design to develop hydroxamate derivatives of pentanoic acids as selective HDAC8 inhibitors: synthesis, biological evaluation and binding mode of interaction studies. NEW J CHEM 2021. [DOI: 10.1039/d1nj02636d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Histone deacetylase 8 (HDAC8) has been implicated as a potential drug target of many diseases including cancer.
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Affiliation(s)
- Sk. Abdul Amin
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, India
| | - Prakruti Trivedi
- Epigenetic Research Laboratory, Department of Pharmacy, BITS-Pilani, Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Nilanjan Adhikari
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, India
| | - Ganesh Routholla
- Epigenetic Research Laboratory, Department of Pharmacy, BITS-Pilani, Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Dhanya Vijayasarathi
- Epigenetic Research Laboratory, Department of Pharmacy, BITS-Pilani, Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Sanjib Das
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, India
| | - Balaram Ghosh
- Epigenetic Research Laboratory, Department of Pharmacy, BITS-Pilani, Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Tarun Jha
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, India
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Pulya S, Amin SA, Adhikari N, Biswas S, Jha T, Ghosh B. HDAC6 as privileged target in drug discovery: A perspective. Pharmacol Res 2020; 163:105274. [PMID: 33171304 DOI: 10.1016/j.phrs.2020.105274] [Citation(s) in RCA: 111] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 10/15/2020] [Accepted: 10/25/2020] [Indexed: 12/25/2022]
Abstract
HDAC6, a class IIB HDAC isoenzyme, stands unique in its structural and physiological functions. Besides histone modification, largely due to its cytoplasmic localization, HDAC6 also targets several non-histone proteins including Hsp90, α-tubulin, cortactin, HSF1, etc. Thus, it is one of the key regulators of different physiological and pathological disease conditions. HDAC6 is involved in different signaling pathways associated with several neurological disorders, various cancers at early and advanced stage, rare diseases and immunological conditions. Therefore, targeting HDAC6 has been found to be effective for various therapeutic purposes in recent years. Though several HDAC6 inhibitors (HDAC6is) have been developed till date, only two ACY-1215 (ricolinostat) and ACY-241 (citarinostat) are in the clinical trials. A lot of work is still needed to pinpoint strictly selective as well as potent HDAC6i. Considering the recent crystal structure of HDAC6, novel HDAC6is of significant therapeutic value can be designed. Notably, the canonical pharmacophore features of HDAC6is consist of a zinc binding group (ZBG), a linker function and a cap group. Significant modifications of cap function may lead to achieve better selectivity of the inhibitors. This review details the study about the structural biology of HDAC6, the physiological and pathological role of HDAC6 in several disease states and the detailed structure-activity relationships (SARs) of the known HDAC6is. This detailed review will provide key insights to design novel and highly effective HDAC6i in the future.
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Affiliation(s)
- Sravani Pulya
- Epigenetic Research Laboratory, Department of Pharmacy, BITS-Pilani, Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Sk Abdul Amin
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, P. O. Box 17020, Jadavpur University, Kolkata 700032, India
| | - Nilanjan Adhikari
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, P. O. Box 17020, Jadavpur University, Kolkata 700032, India
| | - Swati Biswas
- Epigenetic Research Laboratory, Department of Pharmacy, BITS-Pilani, Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Tarun Jha
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, P. O. Box 17020, Jadavpur University, Kolkata 700032, India.
| | - Balaram Ghosh
- Epigenetic Research Laboratory, Department of Pharmacy, BITS-Pilani, Hyderabad Campus, Shamirpet, Hyderabad 500078, India.
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