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Chauhan R, Malhotra L, Gupta A, Dagar G, Mendiratta M, Masoodi T, Hashem S, Al Marzooqi S, Das D, Uddin S, Ethayathulla AS, Macha MA, Akil AAS, Sahoo RK, Rai E, Bhat AA, Singh M. Bergenin inhibits growth of human cervical cancer cells by decreasing Galectin-3 and MMP-9 expression. Sci Rep 2024; 14:15287. [PMID: 38961106 PMCID: PMC11222472 DOI: 10.1038/s41598-024-64781-3] [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: 12/04/2023] [Accepted: 06/13/2024] [Indexed: 07/05/2024] Open
Abstract
Cervical cancer is still the leading cause of cancer mortality worldwide even after introduction of vaccine against Human papillomavirus (HPV), due to low vaccine coverage, especially in the developing world. Cervical cancer is primarily treated by Chemo/Radiotherapy, depending on the disease stage, with Carboplatin/Cisplatin-based drug regime. These drugs being non-specific, target rapidly dividing cells, including normal cells, so safer options are needed for lower off-target toxicity. Natural products offer an attractive option compared to synthetic drugs due to their well-established safety profile and capacity to target multiple oncogenic hallmarks of cancer like inflammation, angiogenesis, etc. In the current study, we investigated the effect of Bergenin (C-glycoside of 4-O-methylgallic acid), a natural polyphenol compound that is isolated from medicinal plants such as Bergenia crassifolia, Caesalpinia digyna, and Flueggea leucopyrus. Bergenin has been shown to have anti-inflammatory, anti-ulcerogenic, and wound healing properties but its anticancer potential has been realized only recently. We performed a proteomic analysis of cervical carcinoma cells treated with bergenin and found it to influence multiple hallmarks of cancers, including apoptosis, angiogenesis, and tumor suppressor proteins. It was also involved in many different cellular processes unrelated to cancer, as shown by our proteomic analysis. Further analysis showed bergenin to be a potent-angiogenic agent by reducing key angiogenic proteins like Galectin 3 and MMP-9 (Matrix Metalloprotease 9) in cervical carcinoma cells. Further understanding of this interaction was carried out using molecular docking analysis, which indicated MMP-9 has more affinity for bergenin as compared to Galectin-3. Cumulatively, our data provide novel insight into the anti-angiogenic mechanism of bergenin in cervical carcinoma cells by modulation of multiple angiogenic proteins like Galectin-3 and MMP-9 which warrant its further development as an anticancer agent in cervical cancer.
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Affiliation(s)
- Ravi Chauhan
- Department of Medical Oncology (Lab.), Dr. BRAIRCH, All India Institute of Medical Sciences (AIIMS), New Delhi, 110029, India
| | - Lakshay Malhotra
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi, India
- Department of Biochemistry, Sri Venkateswara College, University of Delhi, New Delhi, India
| | - Ashna Gupta
- Department of Medical Oncology (Lab.), Dr. BRAIRCH, All India Institute of Medical Sciences (AIIMS), New Delhi, 110029, India
| | - Gunjan Dagar
- Department of Medical Oncology (Lab.), Dr. BRAIRCH, All India Institute of Medical Sciences (AIIMS), New Delhi, 110029, India
| | - Mohini Mendiratta
- Department of Medical Oncology, Dr. BRAIRCH, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Tariq Masoodi
- Laboratory of Cancer Immunology and Genetics, Sidra Medicine, Doha, Qatar
| | - Sheema Hashem
- Department of Human Genetics, Sidra Medicine, Doha, Qatar
| | - Sara Al Marzooqi
- Department of Human Genetics-Precision Medicine in Diabetes, Obesity and Cancer Program, Sidra Medicine, Doha, Qatar
| | - Dayasagar Das
- Department of Medicine, NYU Langone Health, New York, 10016, USA
| | - Shahab Uddin
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar
| | | | - Muzafar A Macha
- Watson-Crick Centre for Molecular Medicine, Islamic University of Science and Technology, Pulwama, Jammu and Kashmir, India
| | - Ammira Al-Shabeeb Akil
- Department of Human Genetics-Precision Medicine in Diabetes, Obesity and Cancer Program, Sidra Medicine, Doha, Qatar
| | - Ranjit Kumar Sahoo
- Department of Medical Oncology, Dr. BRAIRCH, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Ekta Rai
- School of Life Sciences Jawahar Lal Nehru University, New Delhi, India
| | - Ajaz A Bhat
- Department of Human Genetics-Precision Medicine in Diabetes, Obesity and Cancer Program, Sidra Medicine, Doha, Qatar
| | - Mayank Singh
- Department of Medical Oncology (Lab.), Dr. BRAIRCH, All India Institute of Medical Sciences (AIIMS), New Delhi, 110029, India.
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Sharma S, Malhotra L, Mukherjee P, Kaur N, Krishanlata T, Srikanth CV, Mishra V, Banerjee BD, Ethayathulla AS, Sharma RS. Putative interactions between transthyretin and endosulfan II and its relevance in breast cancer. Int J Biol Macromol 2023; 235:123670. [PMID: 36796556 DOI: 10.1016/j.ijbiomac.2023.123670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 02/04/2023] [Accepted: 02/10/2023] [Indexed: 02/16/2023]
Abstract
The unregulated use of organochlorine pesticides (OCPs) has been linked to spread of breast cancer (BC), but the underlying biomolecular interactions are unknown. Using a case-control study, we compared OCP blood levels and protein signatures among BC patients. Five pesticides were found in significantly higher concentrations in breast cancer patients than in healthy controls: p',p' dichloro diphenyl trichloroethane (DDT), p'p' dichloro diphenyl dichloroethane (DDD), endosulfan II, delta-hexachlorocyclohexane (dHCH), and heptachlor epoxide A (HTEA). According to the odds ratio analysis, these OCPs, which have been banned for decades, continue to raise the risk of cancer in Indian women. Proteomic analysis of plasma from estrogen receptor-positive breast cancer patients revealed 17 dysregulated proteins, but transthyretin (TTR) was three times higher than in healthy controls, which is further validated by enzyme-linked immunosorbent assays (ELISA). Molecular docking and molecular dynamics studies revealed a competitive affinity between endosulfan II and the thyroxine-binding site of TTR, pointing towards the significance of the competition between thyroxin and endosulfan, resulting in endocrine disruption leading to breast cancer. Our study sheds light on the putative role of TTR in OCP-mediated BC, but more research is needed to decipher the underlying mechanisms that can be used to prevent the carcinogenic effects of these pesticides on women's health.
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Affiliation(s)
- Saurabh Sharma
- Bioresources and Environmental Biotechnology Laboratory, Department of Environmental Studies, University of Delhi, Delhi 110 007, India; Department of Biophysics, All India Institutes of Medial, Sciences, New Delhi 110029, India
| | - Lakshay Malhotra
- Department of Biophysics, All India Institutes of Medial, Sciences, New Delhi 110029, India
| | - Paromita Mukherjee
- Bioresources and Environmental Biotechnology Laboratory, Department of Environmental Studies, University of Delhi, Delhi 110 007, India
| | - Navneet Kaur
- Department of Surgery, University College of Medical Sciences, GTB Hospital, Delhi 110095, India
| | - Thammineni Krishanlata
- Environmental Biochemistry & Molecular Biology Laboratory, Department of Biochemistry, University College of Medical Sciences, University of Delhi, Delhi 110095, India
| | - Chittur V Srikanth
- Regional Centre for Biotechnology, 3 (rd) milestones, Gurgaon-Faridabad Expressway, Faridabad 121001, India
| | - Vandana Mishra
- Bioresources and Environmental Biotechnology Laboratory, Department of Environmental Studies, University of Delhi, Delhi 110 007, India; Centre for Inter-disciplinary Studies of Mountain & Hill Environment (CISMHE), University of Delhi, Delhi, India.
| | - Basu Dev Banerjee
- Environmental Biochemistry & Molecular Biology Laboratory, Department of Biochemistry, University College of Medical Sciences, University of Delhi, Delhi 110095, India.
| | | | - Radhey Shyam Sharma
- Bioresources and Environmental Biotechnology Laboratory, Department of Environmental Studies, University of Delhi, Delhi 110 007, India; Delhi School of Climate Change & Sustainability, Institute of Eminence, University of Delhi, Delhi 110007, India.
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Sharma S, Malhotra L, Yadav P, Mishra V, Sharma RS, Abdul Samath E. Genistein: A novel inhibitor of IL-6/IL-6R interface of the Interleukin-6–mediated STAT3 dependent pathway of carcinogenesis. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132668] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Koley T, Madaan S, Chowdhury SR, Kumar M, Kaur P, Singh TP, Ethayathulla AS. Structural analysis of COVID-19 spike protein in recognizing the ACE2 receptor of different mammalian species and its susceptibility to viral infection. 3 Biotech 2021; 11:109. [PMID: 33552834 PMCID: PMC7848672 DOI: 10.1007/s13205-020-02599-2] [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: 10/21/2020] [Accepted: 12/17/2020] [Indexed: 12/11/2022] Open
Abstract
The pandemic COVID-19 was caused by a novel Coronavirus-2 (SARS-CoV-2) that infects humans through the binding of glycosylated SARS-CoV-2 spike 2 protein to the glycosylated ACE2 receptor. The spike 2 protein recognizes the N-terminal helices of the glycosylated metalloprotease domain in the human ACE2 receptor. To understand the susceptibility of animals for infection and transmission, we did sequence and structure-based molecular interaction analysis of 16 ACE2 receptors from different mammalian species with SARS-CoV-2 spike 2 receptor binding domain. Our comprehensive structure analysis revealed that the natural substitution of amino acid residues Gln24, His34, Phe40, Leu79 and Met82 in the N-terminal α1 and α2 helices of the ACE2 receptor results in loss of crucial network of hydrogen-bonded and hydrophobic interactions with receptor binding domain of SARS-CoV-2 spike protein. Another striking observation is the absence of N-glycosylation site Asn103 in all mammals and many species, lack more than one N-linked glycosylation site in the ACE2 receptor. Based on the loss of crucial interactions and the absence of N-linked glycosylation sites we categorized Felis catus, Equus caballus, Panthera tigris altaica, as highly susceptible while Oryctolagus cuniculus, Bos Tauras, Ovis aries and Capra hircus as moderately susceptible species for infection. Similarly, the E. asinus, Bubalus bubalis, Canis lupus familiaris, Ailuropoda melaleuca and Camelus dromedarius are categorized as low susceptible with Loxodonta Africana, Mus musculus, Sus scrofa and Rattus rattus as least susceptible species for SARS-CoV-2 infection. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s13205-020-02599-2.
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Affiliation(s)
- Tirthankar Koley
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi, 110029 India
| | - Shivani Madaan
- Department of Computer Science, Jamia Millia Islamia, New Delhi-110025, India
| | - Sanghati Roy Chowdhury
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi, 110029 India
| | - Manoj Kumar
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi, 110029 India
| | - Punit Kaur
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi, 110029 India
| | - Tej Pal Singh
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi, 110029 India
| | - Abdul S. Ethayathulla
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi, 110029 India
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Malhotra L, Goyal HKV, Jhuria S, Dev K, Kumar S, Kumar M, Kaur P, Ethayathulla AS. Curcumin rescue p53Y220C in BxPC-3 pancreatic adenocarcinomas cell line: Evidence-based on computational, biophysical, and in vivo studies. Biochim Biophys Acta Gen Subj 2020; 1865:129807. [PMID: 33278547 DOI: 10.1016/j.bbagen.2020.129807] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 11/19/2020] [Accepted: 11/26/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND The p53, tumor suppressor protein is inactivated upon mutation in the DNA-binding domain and the non-functional protein leads to cancers. The p53Y220C is one of the most frequently observed mutations in p53 with a scope of rescuing the protein function using small molecules. METHODS Using computational modeling, biophysical, and experimental cell-based studies we tried to understand the molecular basis of Curcumin as a potential small molecule to stabilize p53Y220C mutant and restore its function. The pancreatic adenocarcinomas BxPC-3 p53Y220C mutant cell line was used for cell-based assays to determine the therapeutic potential of Curcumin to restore mutant p53 to function like wild type. RESULTS Our results showed that the Curcumin binds p53Y220C with Kd = 3.169 ± 0.257 μM and it increases the DNA binding affinity of the mutant by 4-fold with Kd = 851.29 ± 186.27 nM. By Fluorescence, CD, and IR spectroscopy, we could characterize the secondary structural changes and stabilization of the p53Y220C DNA binding domain upon Curcumin binding. By caspase-3 and Annexin V assays, we could demonstrate that Curcumin at 3 μM to 8 μM concentration could initiate p53 mediated apoptosis in BxPC-3 cell line. Based on our experimental studies, we propose a mechanism for the activation of ATM/Chk1 kinases pathways for apoptosis and/or G2/M cell cycle arrest in the BxPC-3 cell line mediated by functionally restored p53Y220C. CONCLUSION The study indicated that the natural compound Curcumin could rescue mutant p53Y220C in BxPC-3 pancreatic adenocarcinomas cell line to function like wild-type and activate apoptotic pathways.
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Affiliation(s)
- Lakshay Malhotra
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Harsh K V Goyal
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Sunita Jhuria
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Kapil Dev
- Department of Biotechnology, Jamia Milia Islamia, New Delhi 110025, India
| | - Saroj Kumar
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Manoj Kumar
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Punit Kaur
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Abdul S Ethayathulla
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India.
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Characterization of active/binding site residues of peptidyl-tRNA hydrolase using biophysical and computational studies. Int J Biol Macromol 2020; 159:877-885. [PMID: 32445815 DOI: 10.1016/j.ijbiomac.2020.05.133] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 04/09/2020] [Accepted: 05/17/2020] [Indexed: 11/21/2022]
Abstract
All mRNAs cannot be translated into full-length proteins due to ribosome-stalling that leads to release of peptidyl-tRNA which can be lethal for bacterial survival. The enzyme peptidyl-tRNA hydrolase (PtH) hydrolyses the ester bond between nascent peptide and tRNA of peptidyl-tRNA and rescues the cells from toxicity. PtH is an essential enzyme in bacteria and inhibiting this crucial enzyme can serve to combat bacterial diseases. But due to lack of understanding about the catalytic mechanism of PtH, its inhibitors have not been developed. In this work, we have carried out the binding studies of M. tuberculosis and E. coli PtH with the peptidyl-tRNA analogue (puromycin) using ITC, FTIR, CD experiments followed by docking and MD simulations to identify the potential active site residues that would help to design PtH inhibitors. Binding studies of puromycin with both PtH by ITC experiments demonstrate similar thermodynamic parameters and three fold difference in their KD. CD and FTIR studies detected changes in secondary structure composition of PtH in the presence of puromycin with different degree of perturbation. Though interactions with puromycin are conserved in both proteins, modelling studies revealed that water mediated interactions in M. tb-PtH resulting in higher affinity to puromycin.
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Naz F, Mashkoor M, Sharma P, Haque MA, Kapil A, Kumar M, Kaur P, Abdul Samath E. Drug repurposing approach to target FtsZ cell division protein from Salmonella Typhi. Int J Biol Macromol 2020; 159:1073-1083. [PMID: 32417543 DOI: 10.1016/j.ijbiomac.2020.05.063] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 04/04/2020] [Accepted: 05/09/2020] [Indexed: 10/24/2022]
Abstract
Drug repurposing is an efficient alternative approach to counter the increasing drug-resistant pathogens to treat infectious diseases. FtsZ is an essential bacterial cytokinesis protein involved in the formation of cell-division complex and targeting FtsZ using FDA approved drugs is a promising strategy to identify and develop a new antibacterial drug. Using in silico pharmacophore-based screening of drug bank, molecular docking and molecular dynamics simulations, we identified six drugs inhibiting the function of stFtsZ from Salmonella Typhi. The selected drugs target stFtsZ at the hydrophobic cleft formed between the C-terminal domain and helix α7 with binding energy better than -8 kcal/mol. Out of these six drugs, benzethonium chloride showed promising results at 8 μM concentration where it inhibits stFtsZ GTPase activity by 80% and prevents polymerization. Benzethonium chloride also possesses an excellent antibacterial activity against the bacterial culture of Salmonella Typhi (ATCC 19430), Staphylococcus aureus (ATCC 43300) and Escherichia coli (ATCC 25922) with the MIC values of 8 μg/mL, 1 μg/mL and 12 μg/mL, respectively. Based on our current study, the scaffold of benzethonium chloride can be used for the development of broad-spectrum antibacterial agents against drug-resistant pathogens.
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Affiliation(s)
- Farah Naz
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Muneera Mashkoor
- Department of Computer Science, Jamia Millia Islamia, New Delhi 110025, India
| | - Priyanka Sharma
- Department of Microbiology, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Md Anzarul Haque
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Arti Kapil
- Department of Microbiology, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Manoj Kumar
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Punit Kaur
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India
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