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Giram P, Nimma R, Bulbule A, Yadav AS, Gorain M, Venkata Radharani NN, Kundu GC, Garnaik B. Poly(d,l-lactide- co-glycolide) Surface-Anchored Biotin-Loaded Irinotecan Nanoparticles for Active Targeting of Colon Cancer. ACS Omega 2024; 9:3807-3826. [PMID: 38284072 PMCID: PMC10809773 DOI: 10.1021/acsomega.3c07833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 12/18/2023] [Accepted: 12/21/2023] [Indexed: 01/30/2024]
Abstract
A poly(d,l-lactide-co-glycolide) (PLGA) copolymer was synthesized using the ring-opening polymerization of d,l-lactide and glycolide monomers in the presence of zinc proline complex in bulk through the green route and was well characterized using attenuated total reflectance-Fourier transform infrared, 1H and 13C nuclear magnetic resonance, gel permeation chromatography, differential scanning calorimetry, X-ray diffraction, matrix-assisted laser desorption/ionization time-of-flight, etc. Furthermore, PLGA-conjugated biotin (PLGA-B) was synthesized using the synthesized PLGA and was employed to fabricate nanoparticles for irinotecan (Ir) delivery. These nanoparticles (PLGA-NP-Ir and PLGA-B-NP-Ir) were tested for physicochemical and biological characteristics. PLGA-B-NP-Ir exhibited a stronger cellular uptake and anticancer activity as compared to PLGA-NP-Ir in CT-26 cancer cells (log p < 0.05). The accumulation and retention of fluorescence-labeled nanoparticles were observed to be better in CT-26-inoculated solid tumors in Balb/c mice. The PLGA-B-NP-Ir-treated group inhibited tumor growth significantly more (log p < 0.001) than the untreated control, PLGA-NP-Ir, and Ir-treated groups. Furthermore, no body weight loss, hematological, and blood biochemical tests demonstrated the nanocarriers' nontoxic nature. This work presents the use of safe PLGA and the demonstration of a proof-of-concept of biotin surface attached PLGA nanoparticle-mediated active targeted Ir administration to combat colon cancer. To treat colon cancer, PLGA-B-NP-Ir performed better due to specific active tumor targeting and greater cellular uptake due to biotin.
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Affiliation(s)
- Prabhanjan
S. Giram
- Polymer
Science and Engineering Division, CSIR-National
Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India
- Academy
of Scientific and Innovative Research AcSIR Headquarters, CSIR-HRDC Campus Sector 19, Kamla
Nehru Nagar, Ghaziabad, Uttar
Pradesh 201 002, India
| | - Ramakrishna Nimma
- Laboratory
of Tumor, Biology, Angiogenesis and Nanomedicine Research, National Center for Cell Science, Pune 411007, India
| | - Anuradha Bulbule
- Laboratory
of Tumor, Biology, Angiogenesis and Nanomedicine Research, National Center for Cell Science, Pune 411007, India
| | - Amit Singh Yadav
- Laboratory
of Tumor, Biology, Angiogenesis and Nanomedicine Research, National Center for Cell Science, Pune 411007, India
| | - Mahadeo Gorain
- Laboratory
of Tumor, Biology, Angiogenesis and Nanomedicine Research, National Center for Cell Science, Pune 411007, India
| | | | - Gopal C. Kundu
- School
of Biotechnology and Kalinga Institute of Medical Sciences (KIMS), KIIT Deemed to be University, Institute of Eminence, Bhubaneswar 751 024, India
| | - Baijayantimala Garnaik
- Polymer
Science and Engineering Division, CSIR-National
Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India
- Academy
of Scientific and Innovative Research AcSIR Headquarters, CSIR-HRDC Campus Sector 19, Kamla
Nehru Nagar, Ghaziabad, Uttar
Pradesh 201 002, India
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Choudhari J, Nimma R, Nimal SK, Totakura Venkata SK, Kundu GC, Gacche RN. Prosopis juliflora (Sw.) DC phytochemicals induce apoptosis and inhibit cell proliferation signaling pathways, EMT, migration, invasion, angiogenesis and stem cell markers in melanoma cell lines. J Ethnopharmacol 2023; 312:116472. [PMID: 37062530 DOI: 10.1016/j.jep.2023.116472] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/04/2023] [Accepted: 04/06/2023] [Indexed: 05/08/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Prosopis juliflora (Sw.), DC is a xerophytic plant species that extensively grow in Asia, Africa, Australia, and Brazil. From ancient time P. juliflora is being utilized in various folk remedies for example in wound healing, fever, inflammation, measles, excrescences, diarrhea and dysentery. Traditionally, gum, paste, and smoke obtained from the leaves and pods are applied for anticancer, antidiabetic, anti-inflammatory, and antimicrobial purposes. AIM OF THE STUDY Our previous studies have demonstrated the promising potential of Prosopis Juliflora leaves methanol extract (PJLME) against breast cancer, and suggested its possible integration as a complementary medicine for the effective management of breast cancer. However, evidence against how PJLME mechanistically target the cancer proliferative pathways and other targets is poorly understood. The basic aim of the present study was to understand the anti-melanoma potential of PJLME against B16f10 cells with possible mechanisms of action. MATERIALS AND METHODS MTT assay was used to determine cell viability. Wound and transwell migration assay was performed to check migration potential of cells after PJLME treatment, while clonogenic assay was carried out to understand its colony inhibition actvity. Flow cytometry was used to perform annexin V/PI assay (apoptosis assay), ROS assay, cell cycle analysis. In-vitro angiogenesis assay was performed to check formation of capillary like vascular structure after PJLME treatment. Apoptotic genes, signaling pathways markers, EMT markers and stem cell markers were determined by western blotting. In-vivo BALB/C mice xenograft model study was performed to check the effect of PJLME on in-vivo melanoma tumor growth. RESULTS The experimental outcome of the present study has clearly demonstrated the inhibition of growth, migration, invasion, colony formation and apoptosis inducing potential of PJLME against mouse melanoma cancer cells. Treatment of B16F10 melanoma cells with PJLME resulted in arrest of cell cycle at G0/G1 phase. Annexin V-FITC/PI assay confirmed the apoptosis inducing potential of PJLME in B16F10 and A375 melanoma cells. Furthermore, Western blot experiments confirmed that the treatment of PJLME downregulates the expression of anti-apoptotic gene like Bcl2 and increase the expression profile of pro-apoptotic genes like Bax, Bad, and Bak in B16F10 melanoma cells. HUVEC (Human umbilical vein endothelial cells) tube formation assay clearly demonstrated the anti-angiogenic potential of PJLME. The study also revealed that PJLME has potential to inhibit the Akt and Erk signaling pathways which are participating in cancer cell proliferation, migration, invasion etc. The outcome of qRT-PCR and immunoblotting analysis clearly unveiled that PJLME treatment leads to downregulation of epithelial-mesenchymal transition (EMT) as well as stem cell markers. Finally, the in-vivo animal xenograft model study also revealed the anti-melanoma potential of PJLME by significantly inhibiting the B16F10 melanoma tumor growth in BALB/c mice model. The LC-ESI-MS/MS analysis of PJLME showed the presence of variety of bioactive molecules associated with anticancer effects. CONCLUSION The outcome of the present investigation clearly demonstrated the anti-melanoma potential of PJLME against B16f10 melanoma cells. PJLME can be explored as an adjuvant or complementary therapy against melanoma cancer, however further studies are required to understand the clinical efficacy of PJLME. Nevertheless, it can be further explored as a promising resource for identification of novel anticancer candidate drug.
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Affiliation(s)
- Jasoda Choudhari
- Department of Biotechnology, Savitribai Phule Pune University, Pune, 411007, MS, India
| | | | - Snehal K Nimal
- Department of Biotechnology, Savitribai Phule Pune University, Pune, 411007, MS, India
| | | | - Gopal C Kundu
- National Centre for Cell Science, Pune, 411007, India; School of Biotechnology, KIIT Deemed University, Bhubaneswar, 751 024, India
| | - Rajesh N Gacche
- Department of Biotechnology, Savitribai Phule Pune University, Pune, 411007, MS, India.
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Banerjee P, Kapse P, Siddique S, Kundu M, Choudhari J, Mohanty V, Malhotra D, Gosavi SW, Gacche RN, Kundu GC. Therapeutic implications of cancer stem cells in prostate cancer. Cancer Biol Med 2023:j.issn.2095-3941.2022.0714. [PMID: 37282627 DOI: 10.20892/j.issn.2095-3941.2022.0714] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023] Open
Abstract
Prostate cancer, one of the most frequently occurring cancers in men, is a heterogeneous disease involving multiple cell types within tumors. This tumor heterogeneity at least partly results from genomic instability leading to sub-clonal cellular differentiation. The differentiated cell populations originate from a small subset of cells with tumor-initiating and stem-like properties. These cells, termed prostate cancer stem cells (PCSCs), play crucial roles in disease progression, drug resistance, and relapse. This review discusses the origin, hierarchy, and plasticity of PCSCs; methods for isolation and enrichment of PCSCs; and various cellular and metabolic signaling pathways involved in PCSC induction and maintenance, as well as therapeutic targeting.
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Affiliation(s)
- Pinaki Banerjee
- National Centre for Cell Science, Savitribai Phule Pune University Campus, Pune 411007, India
| | - Prachi Kapse
- School of Basic Medical Science, Savitribai Phule Pune University, Pune 411007, India
| | - Shehnaz Siddique
- School of Biotechnology, KIIT Deemed to be University, Bhubaneswar 751024, India
| | - Moumita Kundu
- School of Biotechnology, KIIT Deemed to be University, Bhubaneswar 751024, India
| | - Jasoda Choudhari
- Department of Biotechnology, Savitribai Phule Pune University, Pune 411007, India
| | - Varshasnata Mohanty
- School of Biotechnology, KIIT Deemed to be University, Bhubaneswar 751024, India
| | - Diksha Malhotra
- School of Biotechnology, KIIT Deemed to be University, Bhubaneswar 751024, India
| | - Suresh W Gosavi
- School of Basic Medical Science, Savitribai Phule Pune University, Pune 411007, India
| | - Rajesh N Gacche
- Department of Biotechnology, Savitribai Phule Pune University, Pune 411007, India
| | - Gopal C Kundu
- School of Biotechnology, KIIT Deemed to be University, Bhubaneswar 751024, India
- Kalinga Institute of Medical Sciences (KIMS), KIIT Deemed to be University, Bhubaneswar 751024, India
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Syamprasad NP, Jain S, Rajdev B, Panda SR, Gangasani JK, Challa VS, Vaidya JR, Kundu GC, Naidu VGM. AKR1B1 inhibition using NARI-29-an Epalrestat analogue-alleviates Doxorubicin-induced cardiotoxicity via modulating Calcium/CaMKII/MuRF-1 axis. Chem Biol Interact 2023; 381:110566. [PMID: 37257577 DOI: 10.1016/j.cbi.2023.110566] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 05/18/2023] [Accepted: 05/23/2023] [Indexed: 06/02/2023]
Abstract
The clinical use of doxorubicin (Dox) is narrowed due to its carbonyl reduction to doxorubicinol (Doxol) implicating resistance and cardiotoxicity. Hence, in the present study we have evaluated the cardioprotective effect of AKR1B1 (or aldose reductase, AR) inhibitor NARI-29 (epalrestat (EPS) analogue) and its effect in the Dox-modulated calcium/CaMKII/MuRF1 axis. Initially, the breast cancer patient survival associated with AKR1B1 expression was calculated using Kaplan Meier-plotter (KM-plotter). Further, breast cancer, cardiomyoblast (H9c2), and macrophage (RAW 264.7) cell lines were used to establish the in vitro combination effect of NARI-29 and Dox. To develop the cardiotoxicity model, mice were given Dox 2.5 mg/kg (i.p.), biweekly. The effect of AKR1B1 inhibition using NARI-29 on molecular and cardiac functional changes was measured using echocardiography, fluorescence-imaging, ELISA, immunoblotting, flowcytometry, High-Performance Liquid Chromatography with Fluorescence Detection (HPLC-FD) and cytokine-bead array methods. The bioinformatics data suggested that a high expression of AKR1B1 is associated with significantly low survival of breast cancer patients undergoing chemotherapy; hence, it could be a target for chemo-sensitization and chemo-prevention. Further, in vitro studies showed that AKR1B1 inhibition with NARI-29 has increased the accumulation and sensitized Dox to breast cancer cell lines. However, treatment with NARI-29 has alleviated the Dox-induced toxicity to cardiomyocytes and decreased the secretion of inflammatory cytokines from RAW 264.7 cells. In vivo studies revealed that the NARI-29 (25 and 50 mg/kg) has prevented the functional, histological, biochemical, and molecular alterations induced by Dox treatment. Moreover, we have shown that NARI-29 has prevented the carbonyl reduction of Dox to Doxol in the mouse heart, which reduced the calcium overload, prevented phosphorylation of CaMKII, and reduced the expression of MuRF1 to protect from cardiac injury and apoptosis. Hence in conclusion, AKR1B1 inhibitor NARI-29 could be used as an adjuvant therapeutic agent with Dox to prevent cardiotoxicity and synergize anti-breast cancer activity.
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Affiliation(s)
- N P Syamprasad
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research Guwahati, Sila Village, Changsari, Assam, 781101, India
| | - Siddhi Jain
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research Guwahati, Sila Village, Changsari, Assam, 781101, India
| | - Bishal Rajdev
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research Guwahati, Sila Village, Changsari, Assam, 781101, India
| | - Samir Ranjan Panda
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research Guwahati, Sila Village, Changsari, Assam, 781101, India
| | - Jagadeesh Kumar Gangasani
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research Guwahati, Sila Village, Changsari, Assam, 781101, India
| | - Veerabhadra Swamy Challa
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research Guwahati, Sila Village, Changsari, Assam, 781101, India
| | - Jayathirtha Rao Vaidya
- Fluoro Agro Chemicals Department and AcSIR-Ghaziabad, CSIR-Indian Institute of Chemical Technology, Uppal Road Tarnaka, Hyderabad, Telangana, 500007, India
| | - Gopal C Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, 411007, India; School of Biotechnology, KIIT Deemed to Be University, Bhubaneswar, 751 024, India; Kalinga Institute of Medical Sciences (KIMS), KIIT Deemed to Be University, Bhubaneswar, 751024, India
| | - V G M Naidu
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research Guwahati, Sila Village, Changsari, Assam, 781101, India.
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5
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Butti R, Kundu GC. The molecular dialogue between the tumor cells and fibroblasts. Oncotarget 2023; 14:462-463. [PMID: 37204266 DOI: 10.18632/oncotarget.28405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/20/2023] Open
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Betallu MA, Bhalara SR, Sapnar KB, Tadke VB, Meena K, Srivastava A, Kundu GC, Gorain M. Hybrid Inorganic Complexes as Cancer Therapeutic Agents: In-vitro Validation. Nanotheranostics 2023; 7:270-280. [PMID: 37064610 PMCID: PMC10093419 DOI: 10.7150/ntno.81557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 01/19/2023] [Indexed: 03/14/2023] Open
Abstract
A series of novel mixed transition metal-Magnesium tartarate complexes of general formulation [MMg(C4H4O6)2 .xH2O] (where M = Mn, Fe, Co, Ni, Cu and Zn) is prepared with bidentate tartarate ligand. The synthesized complexes (C1 to C6) are characterized by various analytical techniques such as Elemental analysis, Thermo gravimetric analysis, FT-IR Spectroscopy, X-ray Diffraction, Magnetic susceptibility study etc. All complexes exhibit the composition MMgL2 where M = Mn(II), Fe(II), Co(II), Ni(II), Cu(II) and Zn(II) and L = bidentate tartarate ligand. Analytical data reveals all complexes possesses 1:1 (metal: ligand) ratio. FT-IR spectral study shows that bidentate tartarate ligand coordinate with metal ion in a bidentate manner through two oxygen atoms. Thermo gravimetric analysis of all complexes shows that degradation curves of complexes agrees with recommended formulae of the complexes. X-ray diffraction technique suggests that all complexes (C1 to C6) are polycrystalline in nature. All newly synthesized metal tartarate complexes and ligand were screened in vitro for their anticancer activity against human breast cancer (MDA-MB-231) cell line. The bioassays of all these complexes showed C3 (Co) and C5 (Cu) Mg-tartarate complexes contains maximum antiproliferative activity at 200 µg/ml concentration on MDA-MB-231 cells as compared to other complexes. MDA-MB-231 cells treated with C3 (Co) and C5 (Cu) Mg-tartarate complexes also showed inhibition in cell migration.
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Surve C, Banerjee A, S A, Chakraborty R, Kumar D, Butti R, Gorain M, Parida S, Kundu GC, Shidhaye S, Patnaik S. Antiproliferative and apoptotic potential of methotrexate lipid nanoparticle in murine breast cancer model. Nanomedicine (Lond) 2022; 17:753-764. [DOI: 10.2217/nnm-2021-0446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: To evaluate the efficacy of novel methotrexate-loaded nanoparticles (MTX-NPs) in vitro and in vivo in the treatment of breast cancer. Materials & methods: MTX-NPs were tested for cellular uptake, cell viability, cell cycle, cellular wound migration and changes in tumor volume using characterized NPs. Results: The solid lipid NPs (SLNPs) showed strong cellular uptake, increased apoptosis, controlled cytotoxicity at lower IC50 of methotrexate and a sizable reduction in tumor burden. Conclusion: MTX-NP oral formulation can be a promising candidate in breast cancer treatment with improved cellular uptake and in vivo efficacy.
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Affiliation(s)
- Chaitali Surve
- Department of Pharmaceutics, Vivekanand Education Society's College of Pharmacy, Mumbai, India
- Faculty of Pharmacy, Pacific Academy of Higher Education & Research University, Udaipur, Rajasthan, India
| | - Ananya Banerjee
- School of Biotechnology, KIIT University, Bhubaneswar, Odisha, India
| | - Anupriya S
- School of Biotechnology, KIIT University, Bhubaneswar, Odisha, India
| | | | - Dhiraj Kumar
- National Centre for Cell Science (NCCS), NCCS Complex, Pune, Maharashtra, India
| | - Ramesh Butti
- National Centre for Cell Science (NCCS), NCCS Complex, Pune, Maharashtra, India
| | - Mahadeo Gorain
- National Centre for Cell Science (NCCS), NCCS Complex, Pune, Maharashtra, India
| | - Sabyasachi Parida
- Kalinga Institute of Medical Sciences, Bhubaneswar, Odisha-24, India
| | - Gopal C Kundu
- School of Biotechnology, KIIT University, Bhubaneswar, Odisha, India
- National Centre for Cell Science (NCCS), NCCS Complex, Pune, Maharashtra, India
| | - Supriya Shidhaye
- Department of Pharmaceutics, Vivekanand Education Society's College of Pharmacy, Mumbai, India
| | - Srinivas Patnaik
- School of Biotechnology, KIIT University, Bhubaneswar, Odisha, India
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Abstract
Background Clustered regularly interspaced short palindromic repeat (CRISPR)-CRISPR-associated protein (Cas) systems are the latest addition to the plethora of gene-editing tools. These systems have been repurposed from their natural counterparts by means of both guide RNA and Cas nuclease engineering. These RNA-guided systems offer greater programmability and multiplexing capacity than previous generation gene editing tools based on zinc finger nucleases and transcription activator like effector nucleases. CRISPR-Cas systems show great promise for individualization of cancer precision medicine. Main body The biology of Cas nucleases and dead Cas based systems relevant for in vivo gene therapy applications has been discussed. The CRISPR knockout, CRISPR activation and CRISPR interference based genetic screens which offer opportunity to assess functions of thousands of genes in massively parallel assays have been also highlighted. Single and combinatorial gene knockout screens lead to identification of drug targets and synthetic lethal genetic interactions across different cancer phenotypes. There are different viral and non-viral (nanoformulation based) modalities that can carry CRISPR-Cas components to different target organs in vivo. Conclusion The latest developments in the field in terms of optimization of performance of the CRISPR-Cas elements should fuel greater application of the latter in the realm of precision medicine. Lastly, how the already available knowledge can help in furtherance of use of CRISPR based tools in personalized medicine has been discussed.
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Affiliation(s)
- Sumit Das
- National Centre for Cell Science, S P Pune University Campus, Pune, 411007, India
| | - Shehnaz Bano
- National Centre for Cell Science, S P Pune University Campus, Pune, 411007, India
| | - Prachi Kapse
- School of Basic Medical Sciences, S P Pune University, Pune, 411007, India
| | - Gopal C Kundu
- Kalinga Institute of Medical Sciences (KIMS), KIIT Deemed To Be University, Bhubaneswar, 751024, India. .,School of Biotechnology, KIIT Deemed To Be University, Bhubaneswar, 751024, India.
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Radharani NNV, Yadav AS, Nimma R, Kumar TVS, Bulbule A, Chanukuppa V, Kumar D, Patnaik S, Rapole S, Kundu GC. Tumor-associated macrophage derived IL-6 enriches cancer stem cell population and promotes breast tumor progression via Stat-3 pathway. Cancer Cell Int 2022; 22:122. [PMID: 35300689 PMCID: PMC8932105 DOI: 10.1186/s12935-022-02527-9] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 02/21/2022] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Cancer stem cells (CSCs) play crucial role in tumor progression, drug resistance and relapse in various cancers. CSC niche is comprised of various stromal cell types including Tumor-associated macrophages (TAMs). Extrinsic ques derived from these cells help in maintenance of CSC phenotype. TAMs have versatile roles in tumor progression however their function in enrichment of CSC is poorly explored. METHODS Mouse macrophages (RAW264.7) cells were activated by interaction with conditioned media (CM) of murine breast cancer cells (4T1) into TAMs and the effect of activated macrophage (TAM) derived factors was examined on enrichment of cancer stem cells (CSCs) and tumor growth using in vitro and in vivo models. RESULTS In this study, we report that macrophages upon interaction with breast cancer cells activate tumor promoting function and exhibit differential expression of various proteins as shown by secretome analysis using proteomics studies. Based on secretome data, we found that Interleukin-6 (IL-6) is one of the up-regulated genes expressed in activated macrophages. Further, we confirm that TAMs produce high levels of IL-6 and breast cancer cell derived factors induce IL-6 production in activated macrophages via p38-MAPK pathway. Furthermore, we demonstrate that tumor activated macrophages induce enrichment of CSCs and expression of CSC specific transcription factors such as Sox-2, Oct-3/4 and Nanog in breast cancer cells. We further prove that TAM derived IL-6 plays a key role in TAM mediated CSC enrichment through activation of Signal transducer and activator of transcription 3 (STAT-3) signaling. TAM derived IL-6 influences breast cancer cell migration and angiogenesis. Moreover, our in vivo findings indicated that TAM derived IL-6 induces CSC population and resulting tumor growth in breast cancer. CONCLUSION These finding provide evidence that TAM derived IL-6 plays a major role in CSC enrichment and tumor progression in breast cancer and IL-6 and its regulated signalling network may act as potential therapeutic target for management of breast cancer.
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Affiliation(s)
- N N V Radharani
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, 411007, India.,School of Biotechnology, KIIT Deemed To Be University, Bhubaneswar, 751 024, India
| | - Amit S Yadav
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, 411007, India.,School of Biotechnology, KIIT Deemed To Be University, Bhubaneswar, 751 024, India
| | - Ramakrishna Nimma
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, 411007, India
| | - T V Santosh Kumar
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, 411007, India
| | - Anuradha Bulbule
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, 411007, India
| | - Venkatesh Chanukuppa
- Proteomics Laboratory, National Centre for Cell Science (NCCS), Pune, 411007, India
| | - Dhiraj Kumar
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77054, USA
| | - Srinivas Patnaik
- School of Biotechnology, KIIT Deemed To Be University, Bhubaneswar, 751 024, India
| | - Srikanth Rapole
- Proteomics Laboratory, National Centre for Cell Science (NCCS), Pune, 411007, India
| | - Gopal C Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, 411007, India. .,School of Biotechnology, KIIT Deemed To Be University, Bhubaneswar, 751 024, India. .,Kalinga Institute of Medical Sciences (KIMS), KIIT Deemed To Be University, Bhubaneswar, 751024, India.
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Porwal A, Kundu GC, Bhagwat G, Butti R. Herbal medicine AnoSpray suppresses proinflammatory cytokines COX-2 and RANTES in the management of hemorrhoids, acute anal fissures and perineal wounds. Exp Ther Med 2021; 23:86. [PMID: 34938368 PMCID: PMC8688930 DOI: 10.3892/etm.2021.11009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 09/30/2021] [Indexed: 12/03/2022] Open
Abstract
Hemorrhoids, anal fistula and fissure are common anorectal complications. Anorectal diseases are associated with severe pain, inflammation, swelling, itching and bleeding. These diseases may be managed with different medical treatments or surgical procedures, depending on their severity. Surgical procedures, however, are highly invasive and are associated with higher costs and the possibility of recurrence. In addition, surgical removal of fistula-in-ano leads to the formation of perineal wounds. Therefore, developing therapeutic interventions that are effective in alleviating inflammation and pain are desirable for the effective management of anorectal diseases. Herbal compounds have previously been indicated to suppress inflammation and pain in different pathological conditions. The aim of the present study was to examine the effects elicited by a polyherbal formulation, AnoSpray®, on the migration of inflammatory cells and on the expression of inflammatory cytokines in anorectal diseases. The effect of AnoSpray on cell viability and migration was studied using MTT and wound-migration assays, respectively. Furthermore, the effects of AnoSpray on the expression of the inflammatory cytokines regulated upon activation, normal T cell expressed and presumably secreted (RANTES) and VEGF, as well as on cyclooxygenase-2 (COX)-2, were investigated using western blot analysis. The expression of RANTES and COX-2 in human hemorrhoid specimens was also analyzed to corroborate the in vitro findings. The results obtained revealed that AnoSpray did not exhibit any cytotoxic effects; however, it did lead to a significant suppression in the migration of RAW 264.7 and BJ cells. Furthermore, the results suggested that AnoSpray suppressed the expression of the inflammatory cytokines RANTES and VEGF, and also the expression of COX-2. In addition, RANTES and COX-2 were significantly downregulated in the clinical specimens of AnoSpray-treated hemorrhoids compared with the controls. Taken together, the results of the present study suggested that AnoSpray may be a potential therapeutic agent in the treatment of bleeding hemorrhoids, anal fissures and perineal wounds.
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Affiliation(s)
- Ashwin Porwal
- Healing Hands Clinic, Pune, Maharashtra 411001, India
| | - Gopal C Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Pune, Maharashtra 411007, India.,School of Biotechnology and Kalinga Institute of Medical Sciences, KIIT Deemed to be University, Institute of Eminence, Bhubaneswar, Odisha 751024, India
| | - Gajanan Bhagwat
- R&D Center, Healing Hands & Herbs Pvt. Ltd., Pune, Maharashtra 411002, India
| | - Ramesh Butti
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Pune, Maharashtra 411007, India.,R&D Center, Healing Hands & Herbs Pvt. Ltd., Pune, Maharashtra 411002, India
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11
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Ghuwalewala S, Ghatak D, Das S, Roy S, Das P, Butti R, Gorain M, Nath S, Kundu GC, Roychoudhury S. MiRNA-146a/AKT/β-Catenin Activation Regulates Cancer Stem Cell Phenotype in Oral Squamous Cell Carcinoma by Targeting CD24. Front Oncol 2021; 11:651692. [PMID: 34712602 PMCID: PMC8546321 DOI: 10.3389/fonc.2021.651692] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 09/16/2021] [Indexed: 01/06/2023] Open
Abstract
CD44highCD24low population has been previously reported as cancer stem cells (CSCs) in Oral Squamous Cell Carcinoma (OSCC). Increasing evidence suggests potential involvement of microRNA (miRNA) network in modulation of CSC properties. MiRNAs have thus emerged as crucial players in tumor development and maintenance. However, their role in maintenance of OSCC stem cells remains unclear. Here we report an elevated expression of miR-146a in the CD44highCD24low population within OSCC cells and primary HNSCC tumors. Moreover, over-expression of miR-146a results in enhanced stemness phenotype by augmenting the CD44highCD24low population. We demonstrate that miR-146a stabilizes β-catenin with concomitant loss of E-cadherin and CD24. Interestingly, CD24 is identified as a novel functional target of miR-146a and ectopic expression of CD24 abrogates miR-146a driven potential CSC phenotype. Mechanistic analysis reveals that higher CD24 levels inhibit AKT phosphorylation leading to β-catenin degradation. Using stably expressing miR-146a/CD24 OSCC cell lines, we also validate that the miR-146a/CD24/AKT loop significantly alters tumorigenic ability in vivo. Furthermore, we confirmed that β-catenin trans-activates miR-146a, thereby forming a positive feedback loop contributing to stem cell maintenance. Collectively, our study demonstrates that miR-146a regulates CSCs in OSCC through CD24-AKT-β-catenin axis.
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Affiliation(s)
- Sangeeta Ghuwalewala
- Cancer Biology and Inflammatory Disorder Division, Council of Scientific and Industrial Research (CSIR)-Indian Institute of Chemical Biology, Kolkata, India
| | - Dishari Ghatak
- Cancer Biology and Inflammatory Disorder Division, Council of Scientific and Industrial Research (CSIR)-Indian Institute of Chemical Biology, Kolkata, India
| | - Sumit Das
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, India
| | - Stuti Roy
- Division of Research, Saroj Gupta Cancer Centre and Research Institute, Kolkata, India
| | - Pijush Das
- Cancer Biology and Inflammatory Disorder Division, Council of Scientific and Industrial Research (CSIR)-Indian Institute of Chemical Biology, Kolkata, India
| | - Ramesh Butti
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, India
| | - Mahadeo Gorain
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, India
| | - Somsubhra Nath
- Division of Research, Saroj Gupta Cancer Centre and Research Institute, Kolkata, India
| | - Gopal C Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, India
| | - Susanta Roychoudhury
- Cancer Biology and Inflammatory Disorder Division, Council of Scientific and Industrial Research (CSIR)-Indian Institute of Chemical Biology, Kolkata, India.,Division of Research, Saroj Gupta Cancer Centre and Research Institute, Kolkata, India
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12
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Parulekar A, Choksi A, Taye N, Totakura KVS, Firmal P, Kundu GC, Chattopadhyay S. SMAR1 suppresses the cancer stem cell population via hTERT repression in colorectal cancer cells. Int J Biochem Cell Biol 2021; 141:106085. [PMID: 34551340 DOI: 10.1016/j.biocel.2021.106085] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 09/09/2021] [Accepted: 09/16/2021] [Indexed: 11/25/2022]
Abstract
One of the hallmarks of a cancer cell is the ability for indefinite proliferation leading to the immortalization of the cell. Activation of several signaling pathways leads to the immortalization of cancer cells via the reactivation of enzyme telomerase (hTERT). hTERT is active in germ cells, stem cells and also cancer cells. An earlier report from our lab suggests that SMAR1, a tumor suppressor protein, is significantly downregulated in the higher grades of colorectal cancers. Our study identifies SMAR1 as a transcriptional repressor of hTERT. We find that SMAR1 interacts with HDAC1/mSin3a co-repressor complex at the hTERT promoter and brings about HDAC1-mediated transcriptional repression of the promoter. Most solid tumors including colorectal cancer reactivate hTERT expression as it confers several advantages to the cancer cells like increased proliferation and angiogenesis. One of these non-canonical functions of hTERT is inducing the pool of cancer stem cell population. We find that in the CD133HighCD44High cancer stem cells population, SMAR1 expression is highly diminished leading to elevated hTERT expression. We also find that knockdown of SMAR1 promotes total CD133+CD44+ population and impart enhanced sphere-forming ability to the colorectal cancer cells. SMAR1 also inhibits invasion and metastasis in colorectal cancer cell lines via repression of hTERT. Our study provides evidence that downregulation of SMAR1 causes activation of hTERT leading to an increase in the cancer stem cell phenotype in colorectal cancer cells.
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Affiliation(s)
| | | | | | | | | | - Gopal C Kundu
- National Centre for Cell Science, Pune, India; Kalinga Institute of Industrial Technology, Bhubaneswar, India
| | - Samit Chattopadhyay
- National Centre for Cell Science, Pune, India; Birla Institute of Technology and Science, Goa, India.
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13
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Porwal A, Kundu GC, Bhagwat G, Butti R. Polyherbal formulation Anoac‑H suppresses the expression of RANTES and VEGF for the management of bleeding hemorrhoids and fistula. Mol Med Rep 2021; 24:736. [PMID: 34414451 PMCID: PMC8404094 DOI: 10.3892/mmr.2021.12376] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Accepted: 07/21/2021] [Indexed: 11/06/2022] Open
Abstract
Hemorrhoids and fistula are considered the most common anorectal conditions in the general population. These conditions affect the quality of a patient's life by causing pain and bleeding during defecation or even in the resting state. Lower grades of hemorrhoids may be controlled by traditional measures. However, surgery is an effective treatment option in recurrent-lower and higher-grade hemorrhoids. Surgical procedures are associated with various complications, including pain and delayed wound healing. Recurrence of hemorrhoids is also a major concern in the post-operative period. An anal fistula is the connection between the anus and the skin and causes severe pain, swelling, as well as blood and pus discharge. Fistula has serious social and economic consequences. Hence, it is important to understand the pathophysiology and molecular pathology of hemorrhoids and fistula, to identify the molecular targets and to develop pharmacological-interventions. In a previous study by our group, the polyherbal formulation Anoac-H was developed for the treatment of different stages of hemorrhoids and fistula, and it was demonstrated that Anoac-H is an effective formulation for treating hemorrhoids. However, the molecular mode of action of Anoac-H on hemorrhoids and fistula had remained elusive. In the present study, it was determined that this formulation reduces the migration of mesenchymal (fibroblasts) and immune (RAW 264.7) cells without affecting their viability. It was also observed that Anoac-H suppresses the expression of regulated upon activation, normal T cell expressed and presumably secreted (RANTES) and VEGF in fibroblasts and macrophages. Inflammation and elevated expression of RANTES and VEGF were observed in hemorrhoids and fistula. However, inflammation, as well as the expression of RANTES and VEGF, were significantly reduced in treated human hemorrhoid and fistula tissues as compared to untreated ones, confirming the in vitro results.
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Affiliation(s)
- Ashwin Porwal
- Healing Hands Clinic, Pune, Maharashtra 411001, India
| | - Gopal C Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Pune, Maharashtra 411007, India
| | - Gajanan Bhagwat
- Healing Hands & Herbs (R&D Center), Pune, Maharashtra 411002, India
| | - Ramesh Butti
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Pune, Maharashtra 411007, India
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14
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Ghosh S, Dutta N, Banerjee P, Gajbhiye RL, Sareng HR, Kapse P, Pal S, Burdelya L, Mandal NC, Ravichandiran V, Bhattacharjee A, Kundu GC, Gudkov AV, Pal M. Induction of monoamine oxidase A-mediated oxidative stress and impairment of NRF2-antioxidant defence response by polyphenol-rich fraction of Bergenia ligulata sensitizes prostate cancer cells in vitro and in vivo. Free Radic Biol Med 2021; 172:136-151. [PMID: 34097996 DOI: 10.1016/j.freeradbiomed.2021.05.037] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 05/14/2021] [Accepted: 05/27/2021] [Indexed: 12/13/2022]
Abstract
Prostate cancer (PCa) is a major cause of mortality and morbidity in men. Available therapies yield limited outcome. We explored anti-PCa activity in a polyphenol-rich fraction of Bergenia ligulata (PFBL), a plant used in Indian traditional and folk medicine for its anti-inflammatory and antineoplastic properties. PFBL constituted of about fifteen different compounds as per LCMS analysis induced apoptotic death in both androgen-dependent LNCaP and androgen-refractory PC3 and DU145 cells with little effect on NKE and WI38 cells. Further investigation revealed that PFBL mediates its function through upregulating ROS production by enhanced catalytic activity of Monoamine oxidase A (MAO-A). Notably, the differential inactivation of NRF2-antioxidant response pathway by PFBL resulted in death in PC3 versus NKE cells involving GSK-3β activity facilitated by AKT inhibition. PFBL efficiently reduced the PC3-tumor xenograft in NOD-SCID mice alone and in synergy with Paclitaxel. Tumor tissues in PFBL-treated mice showed upregulation of similar mechanism of cell death as observed in isolated PC3 cells i.e., elevation of MAO-A catalytic activity, ROS production accompanied by activation of β-TrCP-GSK-3β axis of NRF2 degradation. Blood counts, liver, and splenocyte sensitivity analyses justified the PFBL safety in the healthy mice. To our knowledge this is the first report of an activity that crippled NRF2 activation both in vitro and in vivo in response to MAO-A activation. Results of this study suggest the development of a novel treatment protocol utilizing PFBL to improve therapeutic outcome for patients with aggressive PCa which claims hundreds of thousands of lives each year.
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Affiliation(s)
- Suvranil Ghosh
- Division of Molecular Medicine, Bose Institute, Kolkata, India
| | - Naibedya Dutta
- Division of Molecular Medicine, Bose Institute, Kolkata, India
| | - Pinaki Banerjee
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Center for Cell Science, Savitribai Phule Pune University Campus, Pune, India
| | - Rahul L Gajbhiye
- National Institute of Pharmaceutical Education and Research (NIPER), Hajipur, India
| | | | - Prachi Kapse
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Center for Cell Science, Savitribai Phule Pune University Campus, Pune, India
| | - Srabani Pal
- Department of Cell Stress Biology, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Lyudmila Burdelya
- Department of Cell Stress Biology, Roswell Park Cancer Institute, Buffalo, NY, USA
| | | | - Velyutham Ravichandiran
- National Institute of Pharmaceutical Education and Research (NIPER), Hajipur, India; National Institute of Pharmaceutical Education and Research (NIPER), Kolkata, India
| | | | - Gopal C Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Center for Cell Science, Savitribai Phule Pune University Campus, Pune, India
| | - Andrei V Gudkov
- Department of Cell Stress Biology, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Mahadeb Pal
- Division of Molecular Medicine, Bose Institute, Kolkata, India.
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15
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Choksi A, Parulekar A, Pant R, Shah VK, Nimma R, Firmal P, Singh S, Kundu GC, Shukla S, Chattopadhyay S. Tumor suppressor SMAR1 regulates PKM alternative splicing by HDAC6-mediated deacetylation of PTBP1. Cancer Metab 2021; 9:16. [PMID: 33863392 PMCID: PMC8052847 DOI: 10.1186/s40170-021-00252-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 03/30/2021] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Highly proliferating cancer cells exhibit the Warburg effect by regulation of PKM alternative splicing and promoting the expression of PKM2. Majority of the alternative splicing events are known to occur in the nuclear matrix where various MARBPs actively participate in the alternative splicing events. SMAR1, being a MARBP and an important tumor suppressor, is known to regulate the splicing of various cancer-associated genes. This study focuses on the regulation of PKM alternative splicing and inhibition of the Warburg effect by SMAR1. METHODS Immunohistochemistry was performed in breast cancer patient samples to establish the correlation between SMAR1 and PKM isoform expression. Further, expression of PKM isoforms upon modulation in SMAR1 expression in breast cancer cell lines was quantified by qRT-PCR and western blot. The acetylation status of PTBP1 was estimated by immunoprecipitation along with its enrichment on PKM pre-mRNA by CLIP in SMAR1 knockdown conditions. The role of SMAR1 in tumor metabolism and tumorigenesis was explored by in vitro enzymatic assays and functional assays upon SMAR1 knockdown. Besides, in vivo tumor formation by injecting adeno-SMAR1-transduced MDA-MB-231 cells in NOD/SCID mice was performed. RESULTS The expression profile of SMAR1 and PKM isoforms in breast cancer patients revealed that SMAR1 has an inverse correlation with PKM2 and a positive correlation with PKM1. Further quantitative PKM isoform expression upon modulation in SMAR1 expression also reflects that SMAR1 promotes the expression of PKM1 over tumorigenic isoform PKM2. SMAR1 deacetylates PTBP1 via recruitment of HDAC6 resulting in reduced enrichment of PTBP1 on PKM pre-mRNA. SMAR1 inhibits the Warburg effect, tumorigenic potential of cancer cells, and in vivo tumor generation in a PKM2-dependent manner. CONCLUSIONS SMAR1 regulates PKM alternative splicing by causing HDAC6-dependent deacetylation of PTBP1, resulting in reduced enrichment of PTBP1 on PKM pre-mRNA. Additionally, SMAR1 suppresses glucose utilization and lactate production via repression of PKM2 expression. This suggests that tumor suppressor SMAR1 inhibits tumor cell metabolism and tumorigenic properties of cancer cells via regulation of PKM alternative splicing.
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Affiliation(s)
| | | | - Richa Pant
- National Centre for Cell Science, Pune, 411007, India
| | | | | | | | - Smriti Singh
- Indian Institute of Science Education and Research, Bhopal, 462066, India
| | - Gopal C Kundu
- National Centre for Cell Science, Pune, 411007, India.,Kalinga Institute of Industrial Technology (KIIT), Bhubaneswar, 751024, India
| | - Sanjeev Shukla
- Indian Institute of Science Education and Research, Bhopal, 462066, India
| | - Samit Chattopadhyay
- National Centre for Cell Science, Pune, 411007, India. .,Birla Institute of Technology and Science, Pilani - K K Birla Goa Campus, Goa, 403726, India.
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16
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Butti R, Nimma R, Kundu G, Bulbule A, Kumar TVS, Gunasekaran VP, Tomar D, Kumar D, Mane A, Gill SS, Patil T, Weber GF, Kundu GC. Tumor-derived osteopontin drives the resident fibroblast to myofibroblast differentiation through Twist1 to promote breast cancer progression. Oncogene 2021; 40:2002-2017. [PMID: 33603163 DOI: 10.1038/s41388-021-01663-2] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 01/01/2021] [Accepted: 01/15/2021] [Indexed: 02/07/2023]
Abstract
Tumor-stroma interactions are important determinants for the disease course in cancer. While stromal influence has been known to often play a tumor-promoting role, incomplete mechanistic insight into this phenomenon has prevented its therapeutic targeting. Stromal fibroblasts can be activated by tumor cells to differentiate into cancer-associated fibroblasts (CAFs), that exhibit the traits of myofibroblasts, and in turn, they increase cancer aggressiveness. Here, we report the crosstalk between the cancer cells and stromal fibroblasts that leads to tumor progression. The process is initiated by secretion of a chemokine like protein, osteopontin (OPN) from the cancer cells that differentiates the fibroblasts to myofibroblasts. Tumor-derived OPN achieves this transition by engaging CD44 and αvβ3 integrins on the fibroblast surface, which mediates signaling via Akt and ERK to induce Twist1-dependent gene expression. The OPN-driven CAFs then secrete CXCL12, which in turn triggers epithelial to mesenchymal transition (EMT) in the tumor cells. OPN, produced by the cancer cells, and CXCL12, secreted by activated fibroblasts, are necessary and sufficient to perpetuate the crosstalk. Knocking out OPN in carcinogen-induced mammary tumors or knocking down OPN in cancer cells and fibroblast co-implanted xenografts abrogates myofibroblast differentiation, Twist1, and CXCL12 expression. OPN expression is correlated with CAF-specific gene signature as shown by breast tumor tissue microarray consisting of 100 patient specimens. Bioinformatics analyses have confirmed that the expression of OPN is significantly correlated with the expression of myofibroblast-specific markers as demonstrated in human breast carcinoma dataset of 2509 patients. Our findings describe OPN and CXCL12 act as compelling targets to curb the tumor-promoting features of the stromal components and further suggested that OPN-regulated CXCL12 network might act as potential therapeutic target for the management of CAF-mediated breast cancer progression.
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Affiliation(s)
- Ramesh Butti
- National Centre for Cell Science, Pune, Maharashtra, India
| | | | | | | | | | | | - Deepti Tomar
- National Centre for Cell Science, Pune, Maharashtra, India
| | - Dhiraj Kumar
- National Centre for Cell Science, Pune, Maharashtra, India.,The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | | | | | - Tushar Patil
- Yashwantrao Chavan Memorial Hospital, Pune, Maharashtra, India
| | | | - Gopal C Kundu
- National Centre for Cell Science, Pune, Maharashtra, India. .,School of Biotechnology and Kalinga Institute of Medical Sciences (KIMS), KIIT Deemed to be University, Institute of Eminence, Bhubaneswar, Odisha, India.
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17
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Prasad R, Jain NK, Yadav AS, Jadhav M, Radharani NNV, Gorain M, Kundu GC, Conde J, Srivastava R. Ultrahigh Penetration and Retention of Graphene Quantum Dot Mesoporous Silica Nanohybrids for Image Guided Tumor Regression. ACS Appl Bio Mater 2021; 4:1693-1703. [PMID: 35014516 DOI: 10.1021/acsabm.0c01478] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
So far, near-infrared (NIR) light responsive nanostructures have been well-defined in cancer nanomedicine. However, poor penetration and retention in tumors are the limiting factors. Here, we report the ultrahigh penetration and retention of carbanosilica (graphene quantum dots, GQDs embedded mesoporous silica) in solid tumors. After NIR light exposure, quick (0.5 h) emission from the tumor area is observed that is further retained up to a week (tested up to 10 days) with a single dose administration of nanohybrids. Emissive and photothermally active GQDs and porous silica shell (about 31% drug loading) make carbanosilica a promising nanotheranostic agent exhibiting 68.75% tumor shrinking compared to without NIR light exposure (34.48%). Generated heat (∼52 °C) alters the permeability of tumor enhancing the accumulation of nanotheranostics into the tumor environment. Successive tumor imaging ensures the prolonged follow-up of image guided tumor regression due to synergistic therapeutic effect of nanohybrids.
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Affiliation(s)
- Rajendra Prasad
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai, Maharashtra 400076, India
| | - Nishant K Jain
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai, Maharashtra 400076, India
| | - Amit S Yadav
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Center for Cell Science, Pune 411008, India.,School of Biotechnology and Kalinga Institute of Medical Sciences (KIMS), KIIT Deemed to be University, Institute of Eminence, Bhubaneswar 751 024, India
| | - Manali Jadhav
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai, Maharashtra 400076, India.,Center for Research in Nano Technology and Science, Indian Institute of Technology Bombay, Powai, Mumbai, Maharashtra 400076, India
| | | | - Mahadeo Gorain
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Center for Cell Science, Pune 411008, India
| | - Gopal C Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Center for Cell Science, Pune 411008, India.,School of Biotechnology and Kalinga Institute of Medical Sciences (KIMS), KIIT Deemed to be University, Institute of Eminence, Bhubaneswar 751 024, India
| | - João Conde
- NOVA Medical School, Faculdade de Ciências Médicas, Universidade Nova de Lisboa, 1169-056 Lisboa, Portugal.,Centre for Toxicogenomics and Human Health, Genetics, Oncology and Human Toxicology, NOVA Medical School, Faculdade de Ciências Médicas, Universidade Nova de Lisboa, 1169-056 Lisboa, Portugal
| | - Rohit Srivastava
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai, Maharashtra 400076, India
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18
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Chibh S, Katoch V, Kour A, Khanam F, Yadav AS, Singh M, Kundu GC, Prakash B, Panda JJ. Continuous flow fabrication of Fmoc-cysteine based nanobowl infused core-shell like microstructures for pH switchable on-demand anti-cancer drug delivery. Biomater Sci 2021; 9:942-959. [PMID: 33559658 DOI: 10.1039/d0bm01386b] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Asymmetric nanostructures such as nanobowls (NBs) can exhibit superior drug delivery performances owing to their concave structure and interior asymmetric cavities. Here, we present a facile one-step method for the fabrication of NB like structures from a mere single amino acid mimetic, N-(9-fluorenylmethoxycarbonyl)-S-triphenylmethyl-l-cysteine following continuous-flow microfluidics enabled supramolecular self-assembly. Following fabrication, NBs were further infused into a vesicular shell consisting of the amino acid N-(tert-butoxycarbonyl)-S-triphenylmethyl-l-cysteine, carrying dual acid labile groups, the triphenylmethyl and the tert-butyloxycarbonyl groups. The NB infused core-shell like microstructures formed after the shell coating will now be addressed as NB-shells. Presence of pH-responsive shells bestowed the core-shell NB like structures with the ability to actively tune their surface pore opening and closing in response to environmental pH switch. To illustrate the potential use of the NB-shells in the field of anticancer drug delivery, the particles were loaded with doxorubicin (Dox) with an encapsulation efficiency of 42% and Dox loaded NB-shells exhibited enhanced efficacy in C6 glioma cells. Additionally, when tested in an animal model of glioblastoma, the nanoformulations demonstrated significantly higher retardation of tumour growth as compared to free Dox. Thus, this work strives to provide a new research area in the development of well turned-out and neatly fabricated pH switchable on/off anti-cancer drug delivery systems with significant translational potential.
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Affiliation(s)
- Sonika Chibh
- Institute of Nano Science and Technology, Phase-10, Sector 64, Mohali, Punjab 160062, India.
| | - Vibhav Katoch
- Institute of Nano Science and Technology, Phase-10, Sector 64, Mohali, Punjab 160062, India.
| | - Avneet Kour
- Institute of Nano Science and Technology, Phase-10, Sector 64, Mohali, Punjab 160062, India.
| | - Farheen Khanam
- Institute of Nano Science and Technology, Phase-10, Sector 64, Mohali, Punjab 160062, India.
| | - Amit Singh Yadav
- NCCS Complex, University of Pune Campus, University Road, Ganeshkhind, Pune, Maharashtra 411007, India and School of Biotechnology and Kalinga Institute of Medical Sciences (KIMS), KIIT Deemed to be University, Institute of Eminence, Bhubaneswar, 751024, India
| | - Manish Singh
- Institute of Nano Science and Technology, Phase-10, Sector 64, Mohali, Punjab 160062, India.
| | - Gopal C Kundu
- NCCS Complex, University of Pune Campus, University Road, Ganeshkhind, Pune, Maharashtra 411007, India and School of Biotechnology and Kalinga Institute of Medical Sciences (KIMS), KIIT Deemed to be University, Institute of Eminence, Bhubaneswar, 751024, India
| | - Bhanu Prakash
- Institute of Nano Science and Technology, Phase-10, Sector 64, Mohali, Punjab 160062, India.
| | - Jiban Jyoti Panda
- Institute of Nano Science and Technology, Phase-10, Sector 64, Mohali, Punjab 160062, India.
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19
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Bandyopadhayaya S, Akimov MG, Verma R, Sharma A, Sharma D, Kundu GC, Gretskaya NM, Bezuglov VV, Mandal CC. N-arachidonoyl dopamine inhibits epithelial-mesenchymal transition of breast cancer cells through ERK signaling and decreasing the cellular cholesterol. J Biochem Mol Toxicol 2021; 35:e22693. [PMID: 33393692 DOI: 10.1002/jbt.22693] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 11/04/2020] [Accepted: 12/11/2020] [Indexed: 01/02/2023]
Abstract
N-acyl dopamines (NADAs) are bioactive lipids of the endovanilloid family with known cytotoxicity for the cancer cells; however, the available data on the participation of the endovanilloids in epithelial-mesenchymal transition (EMT) and cancer stemness are controversial. This study unveils the inhibitory role of N-arachidonoyl dopamine (AA-DA), a typical representative of the NADA family, in breast cancer cell migration, EMT, and stemness. AA-DA treatment also led to a decrease in cholesterol biosynthesis gene expressions, and addition of exogenous cholesterol reverted these AA-DA-mediated inhibitory effects. Notably, AA-DA treatment inhibited the key regulatory gene of the cholesterol biosynthesis pathway, sterol regulatory element-binding protein 1 (SREBP1), with concurrent repression of the endoplasmic reticulum kinase 1/2 (ERK1/2) pathway. Furthermore, U0126, an ERK inhibitor, inhibited SREBP1 and decreased cellular cholesterol level, unwinding the molecular mechanism behind AA-DA-mediated anticancer activity. Thus, we, for the first time, revealed that AA-DA counteracts breast cancer EMT via inhibition of ERK signaling and cholesterol content.
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Affiliation(s)
- Shreetama Bandyopadhayaya
- Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Ajmer, Rajasthan, India
| | - Mikhail G Akimov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, RAS, Moscow, Russia
| | - Ranjeet Verma
- Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Ajmer, Rajasthan, India
| | - Ankit Sharma
- Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Ajmer, Rajasthan, India
| | - Divya Sharma
- Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Ajmer, Rajasthan, India
| | - Gopal C Kundu
- School of Biotechnology, Institute of Eminence, KIIT Deemed to be University, Bhubaneswar, India
| | - Natalia M Gretskaya
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, RAS, Moscow, Russia
| | - Vladimir V Bezuglov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, RAS, Moscow, Russia
| | - Chandi C Mandal
- Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Ajmer, Rajasthan, India
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Butti R, Kumar TVS, Nimma R, Banerjee P, Kundu IG, Kundu GC. Correction to: Osteopontin Signaling in Shaping Tumor Microenvironment Conducive to Malignant Progression. Advances in Experimental Medicine and Biology 2021; 1329:C1-C2. [DOI: 10.1007/978-3-030-73119-9_24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Butti R, Kumar TVS, Nimma R, Banerjee P, Kundu IG, Kundu GC. Osteopontin Signaling in Shaping Tumor Microenvironment Conducive to Malignant Progression. Adv Exp Med Biol 2021; 1329:419-441. [PMID: 34664250 DOI: 10.1007/978-3-030-73119-9_20] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Context-dependent reciprocal crosstalk between cancer and surrounding stromal cells in the tumor microenvironment is imperative for the regulation of various hallmarks of cancer. A myriad of growth factors, chemokines, and their receptors aids in the interaction between cancer cells and tumor microenvironmental components. Osteopontin is a chemokine-like protein, overexpressed in different types of cancers. Osteopontin plays a crucial role in orchestrating dialogue between cancer and stromal cells. Osteopontin, in tumor microenvironment, is produced in tumor as well as stromal cells. Tumor-derived osteopontin regulates proliferation, migration, activation, and differentiation of different types of stromal cells. Osteopontin secreted from tumor cells regulates the generation of cancer-associated fibroblasts from resident fibroblasts and mesenchymal stem cells. Osteopontin also shapes immunosuppressive tumor microenvironment by controlling regulatory T cells and tumor-associated macrophages. Moreover, secretion of osteopontin from tumor stroma has been highly documented. Stromal cell-derived osteopontin induces epithelial-to-mesenchymal transition, angiogenesis, metastasis, and cancer stem cell enrichment. Tumor- or stroma-derived osteopontin mainly functions through binding with cell surface receptors, integrins and CD44, and activates downstream signaling events like PI-3 kinase/Akt and MAPK pathways. Presumably, disrupting the communication between the tumor cells and surrounding microenvironment by targeting osteopontin-regulated signaling using specific antibodies, small-molecule inhibitors, and chemotherapeutic agents is a novel therapeutic strategy for clinical management of cancer.
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Affiliation(s)
- Ramesh Butti
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, SP Pune University Campus, Pune, India
| | - Totakura V S Kumar
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, SP Pune University Campus, Pune, India
| | - Ramakrishna Nimma
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, SP Pune University Campus, Pune, India
| | - Pinaki Banerjee
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, SP Pune University Campus, Pune, India
| | - Ipsita G Kundu
- Department of Pharmacy, Birla Institute of Technology and Science, Pilani, Hyderabad Campus, Institute of Eminence, Hyderabad, India
| | - Gopal C Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, SP Pune University Campus, Pune, India. .,School of Biotechnology and Kalinga Institute of Medical Sciences (KIMS), KIIT Deemed to be University, Institute of Eminence, Bhubaneswar, India.
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Nath S, Mondal S, Butti R, Prasanna Gunasekaran V, Chatterjee U, Halder A, Kundu GC, Mandal C. Desialylation of Sonic-Hedgehog by Neu2 Inhibits Its Association with Patched1 Reducing Stemness-Like Properties in Pancreatic Cancer Sphere-forming Cells. Cells 2020; 9:cells9061512. [PMID: 32575925 PMCID: PMC7349614 DOI: 10.3390/cells9061512] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 04/06/2020] [Accepted: 04/08/2020] [Indexed: 12/11/2022] Open
Abstract
Cancer stem cells (CSCs) are crucial regulators of tumor recurrence/progression. The maintenance of CSCs is dependent on aberrant activation of various pathways, including Hedgehog. Prevalent sialylations contribute to aggressiveness in CSCs. Here, we have addressed the role of sialylation in regulating stemness-like properties of pancreatic cancer sphere-forming cells (PCS) through modulation of the Hedgehog (Hh) pathway. The status of CD133/CD44/surface-sialylation was checked by flow cytometry and effects of Neu2 overexpression in PCS were compared using qPCR, immunoblotting, co-immunoprecipitation and also by colony-formation assays. The work was also validated in a xenograft model after Neu2 overexpression. Neu2 and Shh status in patient tissues were examined by immunohistochemistry. PCS showed higher Hh-pathway activity and sialylation with reduced cytosolic-sialidase (Neu2). Neu2 overexpression caused desialylation of Shh, thereby reducing Shh-Patched1 binding thus causing decreased Hh-pathway activity with lower expression of Snail/Slug/CyclinD1 leading to reduction of stemness-like properties. Neu2-overexpression also induced apoptosis in PCS. Additionally, Neu2-overexpressed PCS demonstrated lower mTORC2 formation and inhibitory-phosphorylation of Gsk3β, reflecting a close relationship with reduced Hh pathway. Moreover, both Neu2 and Rictor (a major component of mTORC2) co-transfection reduced stem cell markers and Hh-pathway activity in PCS. Neu2-overexpressed tumors showed reduction in tumor mass with downregulation of stem cell markers/Shh/mTOR and upregulation of Bax/Caspase8/Caspase3. Thus, we established that reduced sialylation by Neu2 overexpression leads to decreased stemness-like properties by desialylation of Shh, which impaired its association with Patched1 thereby inhibiting the Hh pathway. All these may be responsible for enhanced apoptosis in Neu2-overexpressed PCS.
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Affiliation(s)
- Shalini Nath
- Cancer Biology and Inflammatory Disorder Division, Council of Scientific and Industrial Research-Indian Institute of Chemical Biology, 4, Raja S.C. Mallick Road, Kolkata 700032, India; (S.N.); (S.M.)
| | - Susmita Mondal
- Cancer Biology and Inflammatory Disorder Division, Council of Scientific and Industrial Research-Indian Institute of Chemical Biology, 4, Raja S.C. Mallick Road, Kolkata 700032, India; (S.N.); (S.M.)
| | - Ramesh Butti
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune 411007, India; (R.B.); (V.P.G.); (G.C.K.)
| | - Vinoth Prasanna Gunasekaran
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune 411007, India; (R.B.); (V.P.G.); (G.C.K.)
| | - Uttara Chatterjee
- Department of Pathology, Institute of Post-Graduate Medical Education and Research Hospital, Kolkata, West Bengal 700020, India;
| | - Aniket Halder
- School of Digestive & Liver Diseases, Institute of Post-Graduate Medical Education and Research Hospital, Kolkata, West Bengal 700020, India;
| | - Gopal C. Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune 411007, India; (R.B.); (V.P.G.); (G.C.K.)
| | - Chitra Mandal
- Cancer Biology and Inflammatory Disorder Division, Council of Scientific and Industrial Research-Indian Institute of Chemical Biology, 4, Raja S.C. Mallick Road, Kolkata 700032, India; (S.N.); (S.M.)
- Correspondence: or ; Tel.: +91-33-2499-5717
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Prasad R, Jain NK, Yadav AS, Chauhan DS, Devrukhkar J, Kumawat MK, Shinde S, Gorain M, Thakor AS, Kundu GC, Conde J, Srivastava R. Liposomal nanotheranostics for multimode targeted in vivo bioimaging and near-infrared light mediated cancer therapy. Commun Biol 2020; 3:284. [PMID: 32504032 PMCID: PMC7275035 DOI: 10.1038/s42003-020-1016-z] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Accepted: 05/07/2020] [Indexed: 02/07/2023] Open
Abstract
Developing a nanotheranostic agent with better image resolution and high accumulation into solid tumor microenvironment is a challenging task. Herein, we established a light mediated phototriggered strategy for enhanced tumor accumulation of nanohybrids. A multifunctional liposome based nanotheranostics loaded with gold nanoparticles (AuNPs) and emissive graphene quantum dots (GQDs) were engineered named as NFGL. Further, doxorubicin hydrochloride was encapsulated in NFGL to exhibit phototriggered chemotherapy and functionalized with folic acid targeting ligands. Encapsulated agents showed imaging bimodality for in vivo tumor diagnosis due to their high contrast and emissive nature. Targeted NFGL nanohybrids demonstrated near infrared light (NIR, 750 nm) mediated tumor reduction because of generated heat and Reactive Oxygen Species (ROS). Moreover, NFGL nanohybrids exhibited remarkable ROS scavenging ability as compared to GQDs loaded liposomes validated by antitumor study. Hence, this approach and engineered system could open new direction for targeted imaging and cancer therapy.
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Affiliation(s)
- Rajendra Prasad
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai, Maharashtra, 400076, India
| | - Nishant K Jain
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai, Maharashtra, 400076, India
| | - Amit S Yadav
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Center for Cell Science, Pune, 411008, India
- School of Biotechnology and Kalinga Institute of Medical Sciences (KIMS), KIIT Deemed to be University, Institute of Eminence, Bhubaneswar, 751024, India
| | - Deepak S Chauhan
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai, Maharashtra, 400076, India
| | - Janhavi Devrukhkar
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai, Maharashtra, 400076, India
| | - Mukesh K Kumawat
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai, Maharashtra, 400076, India
| | - Shweta Shinde
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai, Maharashtra, 400076, India
| | - Mahadeo Gorain
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Center for Cell Science, Pune, 411008, India
| | - Avnesh S Thakor
- Interventional Regenerative Medicine and Imaging Laboratory, Department of Radiology, Stanford University, Palo Alto, CA, 94304, USA
| | - Gopal C Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Center for Cell Science, Pune, 411008, India
- School of Biotechnology and Kalinga Institute of Medical Sciences (KIMS), KIIT Deemed to be University, Institute of Eminence, Bhubaneswar, 751024, India
| | - João Conde
- Centre for Toxicogenomics and Human Health, Genetics, Oncology and Human Toxicology, NOVA Medical School, Faculdade de Ciências Médicas, Universidade Nova de Lisboa, 1169-056, Lisboa, Portugal.
| | - Rohit Srivastava
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai, Maharashtra, 400076, India.
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Yadav AS, Radharani NNV, Gorain M, Bulbule A, Shetti D, Roy G, Baby T, Kundu GC. RGD functionalized chitosan nanoparticle mediated targeted delivery of raloxifene selectively suppresses angiogenesis and tumor growth in breast cancer. Nanoscale 2020; 12:10664-10684. [PMID: 32374338 DOI: 10.1039/c9nr10673a] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Acidic pH is a crucial intrinsic property of the microenvironment of most solid tumors. Hence, the use of pH sensitive tumor targeting nanoparticles is an attractive approach to enhance the therapeutic efficacy of anti-cancer agents in solid tumors. Chitosan nanoparticles (CHNPs) have been widely explored in the area of cancer drug delivery; nevertheless their true potential as a pH responsive targeted drug delivery vehicle in cancer therapy has not been deciphered yet as most of the research is limited to pH dependent stability and drug release. In the present study, we investigate the direct effect of pH in synergy with RGD peptide based targeting on the therapeutic efficacy of chitosan nanoparticles (RGD-CHNPs) in breast cancer. Furthermore, for the first time we performed a comprehensive study showing the anti-tumor, anti-migratory and anti-angiogenic effect of raloxifene (Rlx) loaded CHNPs in breast cancer. We prepared stable formulations of raloxifene encapsulated CHNPs and RGD-CHNPs by the nontoxic ionic gelation method. pH dependent studies revealed that NPs possess higher stability and zeta potential along with enhanced cellular uptake at acidic pH (as present in solid tumors) compared to physiological pH. Furthermore, RGD conjugation enhanced the in vitro cellular uptake of CHNPs in αvβ3 integrin expressing breast cancer cells and induced higher cellular apoptosis in breast cancer cells which was further augmented by lower pH. Moreover, Rlx-RGD-CHNPs significantly inhibited breast cancer cell migration and angiogenesis. In vivo studies showed that Cy5.5 conjugated RGD-CHNPs can distinctly visualize tumors and Rlx-RGD-CHNPs significantly inhibit breast tumor growth without causing any toxic effect to normal tissue as confirmed by hematology and blood biochemical studies. Therefore, RGD-CHNPs could potentially enhance the therapeutic efficacy of chemotherapeutic drugs due to the synergistic effect of pH responsiveness and tumor specific targeting in breast cancer.
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Affiliation(s)
- Amit S Yadav
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune 411007, India.
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Taware R, Taunk K, Kumar TVS, Pereira JAM, Câmara JS, Nagarajaram HA, Kundu GC, Rapole S. Extracellular volatilomic alterations induced by hypoxia in breast cancer cells. Metabolomics 2020; 16:21. [PMID: 31980945 DOI: 10.1007/s11306-020-1635-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Accepted: 01/03/2020] [Indexed: 12/24/2022]
Abstract
INTRODUCTION The metabolic shift induced by hypoxia in cancer cells has not been explored at volatilomic level so far. The volatile organic metabolites (VOMs) constitute an important part of the metabolome and their investigation could provide us crucial aspects of hypoxia driven metabolic reconfiguration in cancer cells. OBJECTIVE To identify the altered volatilomic response induced by hypoxia in metastatic/aggressive breast cancer (BC) cells. METHODS BC cells were cultured under normoxic and hypoxic conditions and VOMs were extracted using HS-SPME approach and profiled by standard GC-MS system. Univariate and multivariate statistical approaches (p < 0.05, Log2 FC ≥ 0.58/≤ - 0.58, PC1 > 0.13/< - 0.13) were applied to select the VOMs differentially altered after hypoxic treatment. Metabolic pathway analysis was also carried out in order to identify altered metabolic pathways induced by the hypoxia in the selected BC cells. RESULTS Overall, 20 VOMs were found to be significantly altered (p < 0.05, PC1 > 0.13/< - 0.13) upon hypoxic exposure to BC cells. Further, cell line specific volatilomic alterations were extracted by comparative metabolic analysis of aggressive (MDA-MB-231) vs. non-aggressive (MCF-7) cells incubated under hypoxia and normoxia. In this case, 15 and 12 VOMs each were found to be significantly altered in aggressive cells when exposed to hypoxic and normoxic condition respectively. Out of these, 9 VOMs were found to be uniquely associated with hypoxia, 6 were specific to normoxia and 6 were found common to both the conditions. Formic acid was identified as the most prominent molecule with higher abundance levels in aggressive as compared to non-aggressive cells in both conditions. Furthermore, metabolic pathway analyses revealed that fatty acid biosynthesis and nicotinate and nicotinamide metabolism were significantly altered in aggressive as compared to non-aggressive cells in normoxia and hypoxia respectively. CONCLUSIONS Higher formate overflow was observed in aggressive cells compared to non-aggressive cells incubated under both the conditions, reinforcing its correlation with aggressive and invasive cancer type. Moreover, under hypoxia, aggressive cells preferred to be bioenergetically more efficient whereas, under normoxia, fatty acid biosynthesis was favoured when compared to non-aggressive cells.
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Affiliation(s)
- Ravindra Taware
- Proteomics Lab, National Centre for Cell Science, Ganeshkhind, Pune, 411007, India
| | - Khushman Taunk
- Proteomics Lab, National Centre for Cell Science, Ganeshkhind, Pune, 411007, India
| | - Totakura V S Kumar
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Ganeshkhind, Pune, 411007, India
| | - Jorge A M Pereira
- CQM - Centro de Química da Madeira, Universidade da Madeira, Campus Universitário da Penteada, 9020105, Funchal, Portugal
| | - José S Câmara
- CQM - Centro de Química da Madeira, Universidade da Madeira, Campus Universitário da Penteada, 9020105, Funchal, Portugal
- Faculdade de Ciências Exatas E da Engenharia, Universidade da Madeira, Campus Universitário da Penteada, 9020-105, Funchal, Portugal
| | - H A Nagarajaram
- Department of Systems and Computational Biology, School of Life Sciences, University of Hyderabad, Hyderabad, 500046, India
| | - Gopal C Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Ganeshkhind, Pune, 411007, India
- School of Biotechnology, KIIT Deemed to be University, Institute of Eminence, Bhubaneswar, 751024, India
| | - Srikanth Rapole
- Proteomics Lab, National Centre for Cell Science, Ganeshkhind, Pune, 411007, India.
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Mahalunkar S, Yadav AS, Gorain M, Pawar V, Braathen R, Weiss S, Bogen B, Gosavi SW, Kundu GC. Functional design of pH-responsive folate-targeted polymer-coated gold nanoparticles for drug delivery and in vivo therapy in breast cancer. Int J Nanomedicine 2019; 14:8285-8302. [PMID: 31802866 PMCID: PMC6801194 DOI: 10.2147/ijn.s215142] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Accepted: 07/27/2019] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Curcumin has been widely used owing to its various medicinal properties including antitumor effects. However, its clinical application is limited by its instability, poor solubility and low bioavailability. Folic acid (FA)-functionalized nanoformulations may enhance the sustained release of an anticancer drug (curcumin) by tumor-specific targeting to improve therapeutic benefit. This study aims to design a nanoconjugate (NC) comprised of folate-curcumin-loaded gold-polyvinylpyrrolidone nanoparticles (FA-CurAu-PVP NPs) for targeted delivery in breast cancer model systems. METHODS We developed curcumin-loaded FA-functionalized Au-PVP NCs by layer-by-layer assembly. The folic acid-curcumin Au-PVP NCs (FA-CurAu-PVP NCs) were characterized by ultraviolet-visible spectra, Fourier transform infrared spectroscopy, X-ray powder diffraction and thermogravimetric analysis. In vitro anticancer and antimigratory effects of NCs were examined by performing MTT and wound migration assays. The in vivo antitumor efficacy of NCs was investigated using a preclinical breast cancer orthotopic mouse model. RESULTS Curcumin (40 µg/mL) was loaded along with conjugation of folate onto Au-PVP NPs to form FA-CurAu-PVP NCs. The size and charge of the NCs were increased gradually through layer-by-layer assembly and showed 80% release of curcumin at acidic pH. The NC did not show aggregation when incubated with human serum and mimicked an intrinsic peroxidase-like property in the presence of 3,3',5,5'-tetramethylbenzidine substrate. The MTT data using these NCs showed efficient anticancer activity at lower doses in estrogen/progesterone receptor (ER/PR)-negative cells compared with ER/PR-positive cells. Furthermore, the NCs did not show cytotoxicity at the investigated concentration in human breast epithelial and mouse fibroblast cell lines. They showed inhibitory effects on cell migration and high antitumor efficacy in in vivo analysis. CONCLUSION These results suggest that folate-based tumor targeting using CurAu-PVP NCs is a promising approach for tumor-specific therapy of breast cancer without harming normal cells.
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Affiliation(s)
- Sneha Mahalunkar
- School of Basic Medical Science, Savitribai Phule Pune University, Pune411007, Maharashtra, India
| | - Amit Singh Yadav
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune411007, India
| | - Mahadeo Gorain
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune411007, India
| | - Vinay Pawar
- Institute of Immunology, Hannover Medical School, Hannover, Germany
- Department of Molecular Bacteriology, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Ranveig Braathen
- K.G. Jebsen Centre for Influenza Vaccines Research, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Oslo University Hospital, Oslo0027, Norway
| | - Siegfried Weiss
- Institute of Immunology, Hannover Medical School, Hannover, Germany
| | - Bjarne Bogen
- K.G. Jebsen Centre for Influenza Vaccines Research, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Oslo University Hospital, Oslo0027, Norway
| | - Suresh W Gosavi
- Department of Physics, Savitribai Phule Pune University, Pune411007, Maharashtra, India
| | - Gopal C Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune411007, India
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Prasad R, Yadav AS, Gorain M, Chauhan DS, Kundu GC, Srivastava R, Selvaraj K. Graphene Oxide Supported Liposomes as Red Emissive Theranostics for Phototriggered Tissue Visualization and Tumor Regression. ACS Appl Bio Mater 2019; 2:3312-3320. [DOI: 10.1021/acsabm.9b00335] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Rajendra Prasad
- Nano and Computational Materials Lab, Catalysis Division, CSIR-National Chemical Laboratory, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), National Chemical Laboratory, Pune 411008, India
| | - Amit S. Yadav
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Center for Cell Science, Pune, India
| | - Mahadeo Gorain
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Center for Cell Science, Pune, India
| | - Deepak S. Chauhan
- Department of Biosciences and Bioengineering, IIT Bombay, Powai, Mumbai 400076, India
| | - Gopal C. Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Center for Cell Science, Pune, India
| | - Rohit Srivastava
- Department of Biosciences and Bioengineering, IIT Bombay, Powai, Mumbai 400076, India
| | - Kaliaperumal Selvaraj
- Nano and Computational Materials Lab, Catalysis Division, CSIR-National Chemical Laboratory, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), National Chemical Laboratory, Pune 411008, India
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Tomar D, Yadav AS, Kumar D, Bhadauriya G, Kundu GC. Non-coding RNAs as potential therapeutic targets in breast cancer. Biochim Biophys Acta Gene Regul Mech 2019; 1863:194378. [PMID: 31048026 DOI: 10.1016/j.bbagrm.2019.04.005] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 04/15/2019] [Accepted: 04/23/2019] [Indexed: 12/15/2022]
Abstract
Paradigm shifting studies especially involving non-coding RNAs (ncRNAs) during last few decades have significantly changed the scientific perspectives regarding the complexity of cellular signalling pathways. Several studies have shown that the non-coding RNAs, initially ignored as transcriptional noise or products of erroneous transcription; actually regulate plethora of biological phenomena ranging from developmental processes to various diseases including cancer. Current strategies that are employed for the management of various cancers including that of breast fall short when their undesired side effects like Cancer Stem Cells (CSC) enrichment, low recurrence-free survival and development of drug resistance are taken into consideration. This review aims at exploring the potential role of ncRNAs as therapeutics in breast cancer, by providing a comprehensive understanding of their mechanism of action and function and their crucial contribution in regulating various aspects of breast cancer progression such as cell proliferation, angiogenesis, EMT, CSCs, drug resistance and metastasis. In addition, we also provide information about various strategies that can be employed or are under development to explore them as potential moieties that may be used for therapeutic intervention in breast cancer.
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Affiliation(s)
- Deepti Tomar
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, India.
| | - Amit S Yadav
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, India.
| | - Dhiraj Kumar
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States.
| | - Garima Bhadauriya
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, India
| | - Gopal C Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, India.
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Butti R, Gunasekaran VP, Kumar TVS, Banerjee P, Kundu GC. Breast cancer stem cells: Biology and therapeutic implications. Int J Biochem Cell Biol 2018; 107:38-52. [PMID: 30529656 DOI: 10.1016/j.biocel.2018.12.001] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 12/03/2018] [Accepted: 12/03/2018] [Indexed: 12/12/2022]
Abstract
Breast cancer remains to be a dreadful disease even with several advancements in radiation and chemotherapies, owing to the drug resistance and tumor relapse caused by breast cancer stem cells. Cancer stem cells are a minute population of cells of solid tumors which show self-renewal and differentiation properties as well as tumorigenic potential. Several signaling pathways including Notch, Hippo, Wnt and Hedgehog and tumor-stroma exchanges play a critical role in the self-renewal and differentiation of cancer stem cells in breast cancer. Cancer stem cells can grow anchorage-independent manner so they disseminate to different parts of the body to form secondary tumors. Cancer stem cells promote angiogenesis by dedifferentiating to endothelial cells as well as secreting proangiogenic and angiogenic factors. Moreover, multidrug resistance genes and drug efflux transporters expressed in breast cancer stem cells confer resistance to various conventional chemotherapeutic drugs. Indeed, these therapies are recognised to enhance the percent of cancer stem cell population in tumors leading to cancer relapse with increased aggressiveness. Hence, devising the therapeutic interventions to target cancer stem cells would be useful in increasing patients' survival rates. In addition, targeting the self-renewal pathways and tumor-stromal cross-talk helps in eradicating this population. Reversal of the cancer stem cell-mediated drug resistance would increase the sensitivity to various conventional drugs for the effective management of breast cancer. In this review, we have discussed the cancer stem cell origin and their involvement in angiogenesis, metastasis and therapy-resistance. We have also summarized different therapeutic approaches to eradicate the same for the successful treatment of breast cancer.
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Affiliation(s)
- Ramesh Butti
- National Centre for Cell Science, SP Pune University Campus, Pune 411007, India.
| | | | - Totakura V S Kumar
- National Centre for Cell Science, SP Pune University Campus, Pune 411007, India.
| | - Pinaki Banerjee
- National Centre for Cell Science, SP Pune University Campus, Pune 411007, India.
| | - Gopal C Kundu
- National Centre for Cell Science, SP Pune University Campus, Pune 411007, India.
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Prasad R, Chauhan DS, Yadav AS, Devrukhkar J, Singh B, Gorain M, Temgire M, Bellare J, Kundu GC, Srivastava R. A biodegradable fluorescent nanohybrid for photo-driven tumor diagnosis and tumor growth inhibition. Nanoscale 2018; 10:19082-19091. [PMID: 30288516 DOI: 10.1039/c8nr05164j] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Specific targeting and phototriggered therapy in mouse model have recently emerged as the starting point of cancer theragnosis. Herein, we report a bioresponsive and degradable nanohybrid, a liposomal nanohybrid decorated with red emissive carbon dots, for localized tumor imaging and light-mediated tumor growth inhibition. Unsaturated carbon dots (C-dots) anchored to liposomes convert near-infrared (NIR) light into heat and also produce reactive oxygen species (ROS), demonstrating the capability of phototriggered cancer cell death and tumor regression. The photothermal and oxidative damage of breast tumor by the nonmetallic nanohybrid has also been demonstrated. Designed nanoparticles show excellent aqueous dispersibility, biocompatibility, light irradiated enhanced cellular uptake, release of reactive oxygen species, prolonged and specific tumor binding ability and good photothermal response (62 °C in 5 minutes). Safe and localized irradiation of 808 nm light demonstrates significant tumor growth inhibition and bioresponsive degradation of the fluorescent nanohybrid without affecting the surrounding healthy tissues.
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Affiliation(s)
- Rajendra Prasad
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai, India.
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Abstract
Breast cancer is one of the major causes of cancer-related deaths among women worldwide. Aberrant regulation of various growth factors, cytokines, and other proteins and their receptors in cancer cells drives the activation of various oncogenic signaling pathways that lead to cancer progression. Semaphorins are a class of proteins which are differentially expressed in various types of cancer including breast cancer. Earlier, these proteins were known to have a major function in the nerve cell adhesion, migration, and development of the central nervous system. However, their role in the regulation of several aspects of tumor progression has eventually emerged. There are over 30 genes encoding the semaphorins, which are divided into eight subclasses. It has been reported that some members of semaphorin classes are antiangiogenic and antimetastatic in nature, whereas others act as proangiogenic and prometastatic genes. Because of their differential expression and role in angiogenesis and metastasis, semaphorins emerged as one of the important prognostic factors for appraising breast cancer progression.
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Affiliation(s)
- Ramesh Butti
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Savitribai Phule Pune University, Pune, India
| | - Totakura Vs Kumar
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Savitribai Phule Pune University, Pune, India
| | - Ramakrishna Nimma
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Savitribai Phule Pune University, Pune, India
| | - Gopal C Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Savitribai Phule Pune University, Pune, India
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Yadav AS, Pandey PR, Butti R, Radharani NNV, Roy S, Bhalara SR, Gorain M, Kundu GC, Kumar D. The Biology and Therapeutic Implications of Tumor Dormancy and Reactivation. Front Oncol 2018; 8:72. [PMID: 29616190 PMCID: PMC5868535 DOI: 10.3389/fonc.2018.00072] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 03/02/2018] [Indexed: 01/06/2023] Open
Abstract
Advancements in the early detection of cancer coupled with improved surgery, radiotherapy, and adjuvant therapy led to substantial increase in patient survival. Nevertheless, cancer metastasis is the leading cause of death in several cancer patients. The majority of these deaths are associated with metastatic relapse kinetics after a variable period of clinical remission. Most of the cancer recurrences are thought to be associated with the reactivation of dormant disseminated tumor cells (DTCs). In this review, we have summarized the cellular and molecular mechanisms related to DTCs and the role of microenvironmental niche. These mechanisms regulate the dormant state and help in the reactivation, which leads to metastatic outgrowth. Identification of novel therapeutic targets to eliminate these dormant tumor cells will be highly useful in controlling the metastatic relapse-related death with several cancers.
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Affiliation(s)
- Amit S. Yadav
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Pune, India
| | - Poonam R. Pandey
- Laboratory of Genetics, National Institute on Aging-Intramural Research Program, National Institutes of Health, Baltimore, MD, United States
| | - Ramesh Butti
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Pune, India
| | - N. N. V. Radharani
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Pune, India
| | - Shamayita Roy
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Pune, India
| | - Shaileshkumar R. Bhalara
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Pune, India
| | - Mahadeo Gorain
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Pune, India
| | - Gopal C. Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Pune, India
| | - Dhiraj Kumar
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Pune, India
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
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Butti R, Das S, Gunasekaran VP, Yadav AS, Kumar D, Kundu GC. Receptor tyrosine kinases (RTKs) in breast cancer: signaling, therapeutic implications and challenges. Mol Cancer 2018; 17:34. [PMID: 29455658 PMCID: PMC5817867 DOI: 10.1186/s12943-018-0797-x] [Citation(s) in RCA: 181] [Impact Index Per Article: 30.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2017] [Accepted: 02/01/2018] [Indexed: 12/19/2022] Open
Abstract
Breast cancer is a multifactorial disease and driven by aberrant regulation of cell signaling pathways due to the acquisition of genetic and epigenetic changes. An array of growth factors and their receptors is involved in cancer development and metastasis. Receptor Tyrosine Kinases (RTKs) constitute a class of receptors that play important role in cancer progression. RTKs are cell surface receptors with specialized structural and biological features which respond to environmental cues by initiating appropriate signaling cascades in tumor cells. RTKs are known to regulate various downstream signaling pathways such as MAPK, PI3K/Akt and JAK/STAT. These pathways have a pivotal role in the regulation of cancer stemness, angiogenesis and metastasis. These pathways are also imperative for a reciprocal interaction of tumor and stromal cells. Multi-faceted role of RTKs renders them amenable to therapy in breast cancer. However, structural mutations, gene amplification and alternate pathway activation pose challenges to anti-RTK therapy.
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Affiliation(s)
- Ramesh Butti
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, SP Pune University Campus, Pune, 411007, India
| | - Sumit Das
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, SP Pune University Campus, Pune, 411007, India
| | - Vinoth Prasanna Gunasekaran
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, SP Pune University Campus, Pune, 411007, India
| | - Amit Singh Yadav
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, SP Pune University Campus, Pune, 411007, India
| | - Dhiraj Kumar
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas, 77054, USA
| | - Gopal C Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, SP Pune University Campus, Pune, 411007, India.
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Kumar D, Haldar S, Gorain M, Kumar S, Mulani FA, Yadav AS, Miele L, Thulasiram HV, Kundu GC. Epoxyazadiradione suppresses breast tumor growth through mitochondrial depolarization and caspase-dependent apoptosis by targeting PI3K/Akt pathway. BMC Cancer 2018; 18:52. [PMID: 29310608 PMCID: PMC5759831 DOI: 10.1186/s12885-017-3876-2] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Accepted: 12/04/2017] [Indexed: 12/20/2022] Open
Abstract
Background Breast cancer is one of the most commonly diagnosed invasive cancers among women around the world. Among several subtypes, triple negative breast cancer (TNBC) is highly aggressive and chemoresistant. Treatment of TNBC patients has been challenging due to heterogeneity and devoid of well-defined molecular targets. Thus, identification of novel effective and selective agents against TNBC is essential. Methods We used epoxyazadiradione to assess the cell viability, mitochondrial potential, ROS level, cell migration, apoptosis and protein expression in cell culture models of TNBC MDA-MB-231 and ER+ MCF-7 breast cancer cells. The molecular mechanism was examined in two different type of breast cancer cells in response to epoxyazadiradione. We have also analyzed the effect of epoxyazadiradione on breast tumor growth using in vivo mice model. Results In this study, we for the first time investigated that out of 10 major limonoids isolated from Azadirachta indica, epoxyazadiradione exhibits most potent anti-cancer activity in both TNBC and ER+ breast cancer cells. Epoxyazadiradione induces apoptosis and inhibits PI3K/Akt-mediated mitochondrial potential, cell viability, migration and angiogenesis. It also inhibits the expression of pro-angiogenic and pro-metastatic genes such as Cox2, OPN, VEGF and MMP-9 in these cells. Furthermore, epoxyazadiradione attenuates PI3K/Akt-mediated AP-1 activation. Our in vivo data revealed that epoxyazadiradione suppresses breast tumor growth and angiogenesis in orthotopic NOD/SCID mice model. Conclusion Our findings demonstrate that epoxyazadiradione inhibits PI3K/Akt-dependent mitochondrial depolarisation, induces apoptosis and attenuates cell migration, angiogenesis and breast tumor growth suggesting that this compound may act as a potent therapeutic agent for the management of breast cancer. Electronic supplementary material The online version of this article (10.1186/s12885-017-3876-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Dhiraj Kumar
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, 411007, India
| | - Saikat Haldar
- Chemical Biology Unit, Division of Organic Chemistry, CSIR-National Chemical Laboratory, Pune, 411008, India
| | - Mahadeo Gorain
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, 411007, India
| | - Santosh Kumar
- Department of Biochemistry and Molecular and Cellular Biology, Georgetown University Medical Center, Washington D.C., 20057, USA
| | - Fayaj A Mulani
- Chemical Biology Unit, Division of Organic Chemistry, CSIR-National Chemical Laboratory, Pune, 411008, India
| | - Amit S Yadav
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, 411007, India
| | - Lucio Miele
- Department of Genetics, LSU Health Sciences Center, New Orleans, LA, 70112, USA
| | | | - Gopal C Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, 411007, India.
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Wadhwani SA, Gorain M, Banerjee P, Shedbalkar UU, Singh R, Kundu GC, Chopade BA. Green synthesis of selenium nanoparticles using Acinetobacter sp. SW30: optimization, characterization and its anticancer activity in breast cancer cells. Int J Nanomedicine 2017; 12:6841-6855. [PMID: 28979122 PMCID: PMC5602452 DOI: 10.2147/ijn.s139212] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
The aim of this study was to synthesize selenium nanoparticles (SeNPs) using cell suspension and total cell protein of Acinetobacter sp. SW30 and optimize its synthesis by studying the influence of physiological and physicochemical parameters. Also, we aimed to compare its anticancer activity with that of chemically synthesized SeNPs in breast cancer cells. Cell suspension of Acinetobacter sp. SW30 was exposed to various physiological and physicochemical conditions in the presence of sodium selenite to study their effects on the synthesis and morphology of SeNPs. Breast cancer cells (4T1, MCF-7) and noncancer cells (NIH/3T3, HEK293) were exposed to different concentrations of SeNPs. The 18 h grown culture with 2.7×109 cfu/mL could synthesize amorphous nanospheres of size 78 nm at 1.5 mM and crystalline nanorods at above 2.0 mM Na2SeO3 concentration. Polygonal-shaped SeNPs of average size 79 nm were obtained in the supernatant of 4 mg/mL of total cell protein of Acinetobacter sp. SW30. Chemical SeNPs showed more anticancer activity than SeNPs synthesized by Acinetobacter sp. SW30 (BSeNPs), but they were found to be toxic to noncancer cells also. However, BSeNPs were selective against breast cancer cells than chemical ones. Results suggest that BSeNPs are a good choice of selection as anticancer agents.
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Affiliation(s)
| | - Mahadeo Gorain
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Center for Cell Science, Savitribai Phule Pune University Campus, Pune
| | - Pinaki Banerjee
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Center for Cell Science, Savitribai Phule Pune University Campus, Pune
| | | | - Richa Singh
- Department of Microbiology, Savitribai Phule Pune University
| | - Gopal C Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Center for Cell Science, Savitribai Phule Pune University Campus, Pune
| | - Balu A Chopade
- Department of Microbiology, Savitribai Phule Pune University.,Dr Babasaheb Ambedkar Marathwada University, Aurangabad, Maharashtra, India
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Datta A, Ghatak D, Das S, Banerjee T, Paul A, Butti R, Gorain M, Ghuwalewala S, Roychowdhury A, Alam SK, Das P, Chatterjee R, Dasgupta M, Panda CK, Kundu GC, Roychoudhury S. p53 gain-of-function mutations increase Cdc7-dependent replication initiation. EMBO Rep 2017; 18:2030-2050. [PMID: 28887320 DOI: 10.15252/embr.201643347] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Revised: 08/04/2017] [Accepted: 08/09/2017] [Indexed: 12/31/2022] Open
Abstract
Cancer-associated p53 missense mutants confer gain of function (GOF) and promote tumorigenesis by regulating crucial signaling pathways. However, the role of GOF mutant p53 in regulating DNA replication, a commonly altered pathway in cancer, is less explored. Here, we show that enhanced Cdc7-dependent replication initiation enables mutant p53 to confer oncogenic phenotypes. We demonstrate that mutant p53 cooperates with the oncogenic transcription factor Myb in vivo and transactivates Cdc7 in cancer cells. Moreover, mutant p53 cells exhibit enhanced levels of Dbf4, promoting the activity of Cdc7/Dbf4 complex. Chromatin enrichment of replication initiation factors and subsequent increase in origin firing confirm increased Cdc7-dependent replication initiation in mutant p53 cells. Further, knockdown of CDC7 significantly abrogates mutant p53-driven cancer phenotypes in vitro and in vivo Importantly, high CDC7 expression significantly correlates with p53 mutational status and predicts poor clinical outcome in lung adenocarcinoma patients. Collectively, this study highlights a novel functional interaction between mutant p53 and the DNA replication pathway in cancer cells. We propose that increased Cdc7-dependent replication initiation is a hallmark of p53 gain-of-function mutations.
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Affiliation(s)
- Arindam Datta
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Dishari Ghatak
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Sumit Das
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, India
| | - Taraswi Banerjee
- Laboratory of Molecular Gerontology, National Institute on Aging, NIH Biomedical Research Center, NIH, Baltimore, MD, USA
| | - Anindita Paul
- Department of Biochemistry, University of Calcutta, Kolkata, India
| | - Ramesh Butti
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, India
| | - Mahadeo Gorain
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, India
| | - Sangeeta Ghuwalewala
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Anirban Roychowdhury
- Department of Oncogene Regulation, Chittaranjan National Cancer Institute, Kolkata, India
| | - Sk Kayum Alam
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Pijush Das
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | | | | | - Chinmay Kumar Panda
- Department of Oncogene Regulation, Chittaranjan National Cancer Institute, Kolkata, India
| | - Gopal C Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, India
| | - Susanta Roychoudhury
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India .,Saroj Gupta Cancer Centre and Research Institute, Kolkata, India
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Ghosh A, Dasgupta D, Ghosh A, Roychoudhury S, Kumar D, Gorain M, Butti R, Datta S, Agarwal S, Gupta S, Krishna Dhali G, Chowdhury A, Schmittgen TD, Kundu GC, Banerjee S. MiRNA199a-3p suppresses tumor growth, migration, invasion and angiogenesis in hepatocellular carcinoma by targeting VEGFA, VEGFR1, VEGFR2, HGF and MMP2. Cell Death Dis 2017; 8:e2706. [PMID: 28358369 PMCID: PMC5386529 DOI: 10.1038/cddis.2017.123] [Citation(s) in RCA: 117] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Revised: 01/30/2017] [Accepted: 02/22/2017] [Indexed: 12/13/2022]
Abstract
Increasing significance of tumor-stromal interaction in development and progression of cancer implies that signaling molecules in the tumor microenvironment (TME) might be the effective therapeutic targets for hepatocellular carcinoma (HCC). Here, the role of microRNA miR-199a-3p in the regulation of TME and development of HCC has been investigated by several in vitro and in vivo assays. Expression of miR-199a-3p was observed significantly low in HCC tissues and its overexpression remarkably inhibited in vivo tumor growth and metastasis to lung in NOD-SCID mice. In vitro restoration of miR-199a-3p expression either in endothelial cells (ECs) or in cancer cells (CACs) significantly diminished migration of ECs in co-culture assay. Again incubation of miR-199a-3p transfected ECs with either conditioned media (CM) of CACs or recombinant VEGF has reduced tube formation, in ECs and it was also dropped upon growth in CM of either anti-VEGF antibody-treated or miR-199a-3p-transfected CACs. In addition, bioinformatics and luciferase-reporter assays revealed that miR-199a-3p inhibited VEGF secretion from CACs and VEGFR1 and VEGFR2 expression on ECs and thus restricted cross talk between CACs and ECs. Again, restoration of miR-199a-3p in hepatic stellate cells (HSCs) reduced migration and invasion of CACs in co-culture assay, while it was enhanced by the overexpression of HGF suggesting miR-199a-3p has hindered HSC-CACs cross talk probably by inhibiting HGF and regulating matrix metalloproteinase MMP2, which were found as targets of miR-199a-3p subsequently by luciferase-reporter assay and gelatin zymography, respectively. Thus, these findings collectively highlight that miR-199a-3p restricts metastasis, invasion and angiogenesis in HCC and hence it may be considered as one of the powerful effective therapeutics for management of HCC patients.
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Affiliation(s)
- Alip Ghosh
- Center for Liver Research, School of Digestive and Liver Diseases, Institute of Post Graduate Medical Education and Research, Kolkata, India
| | - Debanjali Dasgupta
- Center for Liver Research, School of Digestive and Liver Diseases, Institute of Post Graduate Medical Education and Research, Kolkata, India
| | - Amit Ghosh
- Center for Liver Research, School of Digestive and Liver Diseases, Institute of Post Graduate Medical Education and Research, Kolkata, India
| | - Shrabasti Roychoudhury
- Center for Liver Research, School of Digestive and Liver Diseases, Institute of Post Graduate Medical Education and Research, Kolkata, India
| | - Dhiraj Kumar
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune 411007, India
| | - Mahadeo Gorain
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune 411007, India
| | - Ramesh Butti
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune 411007, India
| | - Simanti Datta
- Center for Liver Research, School of Digestive and Liver Diseases, Institute of Post Graduate Medical Education and Research, Kolkata, India
| | - Shaleen Agarwal
- Center for Liver and Biliary Sciences, Indraprastha Apollo Hospital, New Delhi, India
| | - Subash Gupta
- Center for Liver and Biliary Sciences, Indraprastha Apollo Hospital, New Delhi, India
| | - Gopal Krishna Dhali
- Division of Gastroenterology, School of Digestive and Liver Diseases, Institute of Post Graduate Medical Education and Research, Kolkata, India
| | - Abhijit Chowdhury
- Department of Hepatology, School of Digestive and Liver Diseases, Institute of Post Graduate Medical Education and Research, Kolkata, India
| | | | - Gopal C Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune 411007, India
| | - Soma Banerjee
- Center for Liver Research, School of Digestive and Liver Diseases, Institute of Post Graduate Medical Education and Research, Kolkata, India
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Kumar D, Gorain M, Kundu G, Kundu GC. Therapeutic implications of cellular and molecular biology of cancer stem cells in melanoma. Mol Cancer 2017; 16:7. [PMID: 28137308 PMCID: PMC5282877 DOI: 10.1186/s12943-016-0578-3] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Accepted: 12/25/2016] [Indexed: 01/04/2023] Open
Abstract
Melanoma is a form of cancer that initiates in melanocytes. Melanoma has multiple phenotypically distinct subpopulation of cells, some of them have embryonic like plasticity which are involved in self-renewal, tumor initiation, metastasis and progression and provide reservoir of therapeutically resistant cells. Cancer stem cells (CSCs) can be identified and characterized based on various unique cell surface and intracellular markers. CSCs exhibit different molecular pattern with respect to non-CSCs. They maintain their stemness and chemoresistant features through specific signaling cascades. CSCs are weak in immunogenicity and act as immunosupressor in the host system. Melanoma treatment becomes difficult and survival is greatly reduced when the patient develop metastasis. Standard conventional oncology treatments such as chemotherapy, radiotherapy and surgical resection are only responsible for shrinking the bulk of the tumor mass and tumor tends to relapse. Thus, targeting CSCs and their microenvironment niche addresses the alternative of traditional cancer therapy. Combined use of CSCs targeted and traditional therapies may kill the bulk tumor and CSCs and offer a promising therapeutic strategy for the management of melanoma.
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Affiliation(s)
- Dhiraj Kumar
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, 411007, India
| | - Mahadeo Gorain
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, 411007, India
| | - Gautam Kundu
- Deapartment of Biology, Northeastern University, Boston, MA, 02115, USA
| | - Gopal C Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, 411007, India.
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39
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Dai X, Ahn KS, Wang LZ, Kim C, Deivasigamni A, Arfuso F, Um JY, Kumar AP, Chang YC, Kumar D, Kundu GC, Magae J, Goh BC, Hui KM, Sethi G. Ascochlorin Enhances the Sensitivity of Doxorubicin Leading to the Reversal of Epithelial-to-Mesenchymal Transition in Hepatocellular Carcinoma. Mol Cancer Ther 2016; 15:2966-2976. [PMID: 27765853 DOI: 10.1158/1535-7163.mct-16-0391] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Revised: 08/31/2016] [Accepted: 09/19/2016] [Indexed: 11/16/2022]
Abstract
Increasing evidence has indicated that epithelial-to-mesenchymal transition (EMT) at the advanced stage of liver cancer not only has the ability to self-renew and progress cancer, but also enables greater resistance to conventional chemo- and radiotherapies. Here, we report that ascochlorin (ASC), an isoprenoid antibiotic, could potentiate the cytotoxic effect of doxorubicin on HCCLM3, SNU387, SNU49, and SK-Hep-1 hepatocellular carcinoma cells, which had a predominantly mesenchymal signature with low expression of E-cadherin but high expression of N-cadherin. Co-administration of ASC reduced doxorubicin-induced invasion/migration and modulated EMT characteristics in mesenchymal cells. This process was probably mediated by the E-cadherin repressors Snail and Slug. In addition, ASC increased sensitivity to doxorubicin treatment by directly inhibiting STAT3 binding to the Snail promoter. We also observed that ASC significantly enhanced the effect of doxorubicin against tumor growth and inhibited metastasis in an HCCLM3_Luc orthotopic mouse model. Collectively, our data demonstrate that ASC can increase sensitivity to doxorubicin therapy and reverse the EMT phenotype via the downregulation of STAT3-Snail expression, which could form the basis of a novel therapeutic approach against hepatocellular carcinoma. Mol Cancer Ther; 15(12); 2966-76. ©2016 AACR.
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Affiliation(s)
- Xiaoyun Dai
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Kwang Seok Ahn
- College of Oriental Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Ling Zhi Wang
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.,Cancer Science Institute of Singapore, Centre for Translational Medicine, Singapore
| | - Chulwon Kim
- College of Oriental Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Amudha Deivasigamni
- Division of Cellular and Molecular Research, Humphrey Oei Institute of Cancer Research, National Cancer Centre, Singapore
| | - Frank Arfuso
- Stem Cell and Cancer Biology Laboratory, School of Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University, Perth, Australia
| | - Jae-Young Um
- Department of Science in Korean Medicine, Graduate School and College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Alan Prem Kumar
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.,Cancer Science Institute of Singapore, Centre for Translational Medicine, Singapore.,School of Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University, Perth, WA, Australia.,Department of Biological Sciences, University of North Texas, Denton, Texas
| | - Young-Chae Chang
- Department of Cell Biology, Catholic University of Daegu, School of Medicine, Daegu, Korea
| | - Dhiraj Kumar
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Pune, India
| | - Gopal C Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Pune, India
| | | | - Boon Cher Goh
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.,Cancer Science Institute of Singapore, Centre for Translational Medicine, Singapore.,Department of Haematology-Oncology, National University Health System, Singapore
| | - Kam Man Hui
- Division of Cellular and Molecular Research, Humphrey Oei Institute of Cancer Research, National Cancer Centre, Singapore. .,Institute of Molecular and Cell Biology, A*STAR, Biopolis Drive Proteos, Singapore.,Cancer and Stem Cell Biology Program, Duke-National University of Singapore Graduate Medical School, Singapore.,Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore. .,School of Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University, Perth, WA, Australia
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Kumar D, Kumar S, Gorain M, Tomar D, Patil HS, Radharani NNV, Kumar TVS, Patil TV, Thulasiram HV, Kundu GC. Notch1-MAPK Signaling Axis Regulates CD133 + Cancer Stem Cell-Mediated Melanoma Growth and Angiogenesis. J Invest Dermatol 2016; 136:2462-2474. [PMID: 27476721 DOI: 10.1016/j.jid.2016.07.024] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2015] [Revised: 07/09/2016] [Accepted: 07/11/2016] [Indexed: 11/19/2022]
Abstract
Functional characterization and understanding of the intricate signaling mechanisms in stem-like cells is crucial for the development of effective therapies in melanoma. We have studied whether melanoma cells are phenotypically distinct and hierarchically organized according to their tumorigenic nature. We report that melanoma-specific CD133+ cancer stem cells exhibit increased tumor-initiating potential, tumor-endothelial cell interaction, and lung metastasis. These cells are able to transdifferentiate into an endothelial-like phenotype when cultured under endothelial differentiation-promoting conditions. Mechanistically, Notch1 upregulates mitogen-activated protein kinase activation through CD133, which ultimately controls vascular endothelial growth factor and matrix metalloproteinase expression in CD133+ stem cells leading to melanoma growth, angiogenesis, and lung metastasis. Blockade or genetic ablation of Notch1 and mitogen-activated protein kinase pathways abolishes melanoma cell migration and angiogenesis. Chromatin immunoprecipitation and reporter assays revealed that Notch1 intracellular domain regulates CD133 expression at the transcriptional level. Andrographolide inhibits Notch1 intracellular domain expression, Notch1 intracellular domain-dependent CD133-mediated mitogen-activated protein kinase and activator protein-1 activation, and epithelial to mesenchymal-specific gene expression, ultimately attenuating melanoma growth and lung metastasis. Human malignant melanoma specimen analyses revealed a strong correlation between Notch1 intracellular domain, CD133, and p-p38 mitogen-activated protein kinase expression and malignant melanoma progression. Thus, targeting Notch1 and its regulated signaling network may have potential therapeutic implications for the management of cancer stem cell-mediated melanoma progression.
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Affiliation(s)
- Dhiraj Kumar
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Pune, India
| | - Santosh Kumar
- Department of Biochemistry and Molecular and Cellular Biology, Georgetown University Medical Center, Washington, District of Columbia, USA
| | - Mahadeo Gorain
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Pune, India
| | - Deepti Tomar
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Pune, India
| | - Harshal S Patil
- Chemistry-Biology Unit, Division of Organic Chemistry, CSIR-National Chemical Laboratory, Pune, India
| | - Nalukurthi N V Radharani
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Pune, India
| | - Totakura V S Kumar
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Pune, India
| | | | | | - Gopal C Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Pune, India.
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Mukherjee S, Manna A, Bhattacharjee P, Mazumdar M, Saha S, Chakraborty S, Guha D, Adhikary A, Jana D, Gorain M, Mukherjee SA, Kundu GC, Sarkar DK, Das T. Non-migratory tumorigenic intrinsic cancer stem cells ensure breast cancer metastasis by generation of CXCR4+ migrating cancer stem cells. Oncogene 2016; 35:4937-48. [DOI: 10.1038/onc.2016.26] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Revised: 11/02/2015] [Accepted: 11/27/2015] [Indexed: 12/18/2022]
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Ghosh S, More P, Derle A, Kitture R, Kale T, Gorain M, Avasthi A, Markad P, Kundu GC, Kale S, Dhavale DD, Bellare J, Chopade BA. Diosgenin Functionalized Iron Oxide Nanoparticles as Novel Nanomaterial Against Breast Cancer. J Nanosci Nanotechnol 2015; 15:9464-72. [PMID: 26682367 DOI: 10.1166/jnn.2015.11704] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Iron oxide nanoparticles (IONPs) have gained immense importance recently as drug nanocarriers due to easy multifunctionalization, simultaneous targeting, imaging and cancer hyperthermia. Herein, we report a novel nanomedicine comprising of IONPs core functionalized with a potent anticancer bioactive principle, diosgenin from medicinal plant Dioscorea bulbifera via citric acid linker molecule. IONPs were synthesized by reverse co-precipitation and characterized using field emission scanning electron microscopy (FESEM), high resolution transmission electron microscopy (HRTEM) and dynamic light scattering (DLS). Diosgenin functionalization was confirmed using fourier transform infrared spectroscopy (FTIR) and biochemical methods. Synthesized IONPs, citrate linked IONPs (IONPs-CA), diosgenin functionalized IONPs (IONPs-D) along with free citric acid and diosgenin were checked for anticancer activity against MCF7 breast cancer cells by MTT assay, wound migration assay, confocal microscopy and protein expression by western blotting. Size of IONPs, IONPs-CA and IONPs-D gradually increased ranging from 12 to 21 nm as confirmed by FESEM and HRTEM. Signature peaks of diosgenin at 2914, 1166 and 1444 cm-1 IONPs-D, revealed in FTIR indicated the presence of functionalized diosgenin. IONPs-D exhibited 51.08 ± 0.37% antiproliferative activity against MCF7 cells, which was found to be superior to free citric acid (17.71 ± 0.58%) and diosgenin (33.31 ± 0.37%). Treatment with IONPs-D exhibited reduced wound migration upto 40.83 ± 2.91% compared to bare IONPs (89.03 ± 2.58%) and IONPs-CA (50.35 ± 0.48%). IONPs-D and diosgenin exhibited apoptosis induction, confirmed by Alexa Fluor 488 annexin V/PI double-stained cells indicating extensive cell membrane damage coupled with PI influx leading to nuclear staining in treated cells. IONPs-D mediated selective PARP cleavage strongly rationalized it as superior apoptotic inducers. Based on these findings, IONPs-D can be considered as first diosgenin functionalized novel magnetic nanomedicine with antiproliferative, migration inhibiting and apoptosis inducing properties against breast cancer.
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Rustagi Y, Jaiswal HK, Rawal K, Kundu GC, Rani V. Comparative Characterization of Cardiac Development Specific microRNAs: Fetal Regulators for Future. PLoS One 2015; 10:e0139359. [PMID: 26465880 PMCID: PMC4605649 DOI: 10.1371/journal.pone.0139359] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2015] [Accepted: 09/10/2015] [Indexed: 11/18/2022] Open
Abstract
MicroRNAs (miRNAs) are small, conserved RNAs known to regulate several biological processes by influencing gene expression in eukaryotes. The implication of miRNAs as another player of regulatory layers during heart development and diseases has recently been explored. However, there is no study which elucidates the profiling of miRNAs during development of heart till date. Very limited miRNAs have been reported to date in cardiac context. In addition, integration of large scale experimental data with computational and comparative approaches remains an unsolved challenge.The present study was designed to identify the microRNAs implicated in heart development using next generation sequencing, bioinformatics and experimental approaches. We sequenced six small RNA libraries prepared from different developmental stages of the heart using chicken as a model system to produce millions of short sequence reads. We detected 353 known and 703 novel miRNAs involved in heart development. Out of total 1056 microRNAs identified, 32.7% of total dataset of known microRNAs displayed differential expression whereas seven well studied microRNAs namely let-7, miR-140, miR-181, miR-30, miR-205, miR-103 and miR-22 were found to be conserved throughout the heart development. The 3'UTR sequences of genes were screened from Gallus gallus genome for potential microRNA targets. The target mRNAs were appeared to be enriched with genes related to cell cycle, apoptosis, signaling pathways, extracellular remodeling, metabolism, chromatin remodeling and transcriptional regulators. Our study presents the first comprehensive overview of microRNA profiling during heart development and prediction of possible cardiac specific targets and has a big potential in future to develop microRNA based therapeutics against cardiac pathologies where fetal gene re-expression is witnessed in adult heart.
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Affiliation(s)
- Yashika Rustagi
- Department of Biotechnology, Jaypee Institute of Information Technology, A–10, Sector–62, Noida, 201307, Uttar Pradesh, India
| | - Hitesh K. Jaiswal
- Department of Biotechnology, Jaypee Institute of Information Technology, A–10, Sector–62, Noida, 201307, Uttar Pradesh, India
| | - Kamal Rawal
- Department of Biotechnology, Jaypee Institute of Information Technology, A–10, Sector–62, Noida, 201307, Uttar Pradesh, India
| | - Gopal C. Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune 411007, India
| | - Vibha Rani
- Department of Biotechnology, Jaypee Institute of Information Technology, A–10, Sector–62, Noida, 201307, Uttar Pradesh, India
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Nanjappa V, Renuse S, Sathe GJ, Raja R, Syed N, Radhakrishnan A, Subbannayya T, Patil A, Marimuthu A, Sahasrabuddhe NA, Guerrero-Preston R, Somani BL, Nair B, Kundu GC, Prasad TK, Califano JA, Gowda H, Sidransky D, Pandey A, Chatterjee A. Chronic exposure to chewing tobacco selects for overexpression of stearoyl-CoA desaturase in normal oral keratinocytes. Cancer Biol Ther 2015; 16:1593-603. [PMID: 26391970 PMCID: PMC4846103 DOI: 10.1080/15384047.2015.1078022] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2015] [Revised: 06/24/2015] [Accepted: 07/26/2015] [Indexed: 01/10/2023] Open
Abstract
Chewing tobacco is a common practice in certain socio-economic sections of southern Asia, particularly in the Indian subcontinent and has been well associated with head and neck squamous cell carcinoma. The molecular mechanisms of chewing tobacco which leads to malignancy remains unclear. In large majority of studies, short-term exposure to tobacco has been evaluated. From a biological perspective, however, long-term (chronic) exposure to tobacco mimics the pathogenesis of oral cancer more closely. We developed a cell line model to investigate the chronic effects of chewing tobacco. Chronic exposure to tobacco resulted in higher cellular proliferation and invasive ability of the normal oral keratinocytes (OKF6/TERT1). We carried out quantitative proteomic analysis of OKF6/TERT1 cells chronically treated with chewing tobacco compared to the untreated cells. We identified a total of 3,636 proteins among which expression of 408 proteins were found to be significantly altered. Among the overexpressed proteins, stearoyl-CoA desaturase (SCD) was found to be 2.6-fold overexpressed in the tobacco treated cells. Silencing/inhibition of SCD using its specific siRNA or inhibitor led to a decrease in cellular proliferation, invasion and colony forming ability of not only the tobacco treated cells but also in a panel of head and neck cancer cell lines. These findings suggest that chronic exposure to chewing tobacco induced carcinogenesis in non-malignant oral epithelial cells and SCD plays an essential role in this process. The current study provides evidence that SCD can act as a potential therapeutic target in head and neck squamous cell carcinoma, especially in patients who are users of tobacco.
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Affiliation(s)
- Vishalakshi Nanjappa
- Institute of Bioinformatics; International Technology Park; Bangalore, India
- Amrita School of Biotechnology; Amrita University; Kollam, India
| | - Santosh Renuse
- Institute of Bioinformatics; International Technology Park; Bangalore, India
- Amrita School of Biotechnology; Amrita University; Kollam, India
| | - Gajanan J Sathe
- Institute of Bioinformatics; International Technology Park; Bangalore, India
- Manipal University; Madhav Nagar; Manipal, India
| | - Remya Raja
- Institute of Bioinformatics; International Technology Park; Bangalore, India
| | - Nazia Syed
- Institute of Bioinformatics; International Technology Park; Bangalore, India
- Department of Biochemistry and Molecular Biology; Pondicherry University; Puducherry, India
| | - Aneesha Radhakrishnan
- Institute of Bioinformatics; International Technology Park; Bangalore, India
- Department of Biochemistry and Molecular Biology; Pondicherry University; Puducherry, India
| | - Tejaswini Subbannayya
- Institute of Bioinformatics; International Technology Park; Bangalore, India
- Amrita School of Biotechnology; Amrita University; Kollam, India
| | - Arun Patil
- Institute of Bioinformatics; International Technology Park; Bangalore, India
- School of Biotechnology; KIIT University; Bhubaneswar, India
| | | | | | - Rafael Guerrero-Preston
- Department of Otolaryngology-Head and Neck Surgery; Johns Hopkins University School of Medicine; Baltimore, MD USA
| | - Babu L Somani
- Institute of Bioinformatics; International Technology Park; Bangalore, India
| | - Bipin Nair
- Amrita School of Biotechnology; Amrita University; Kollam, India
| | - Gopal C Kundu
- National Center for Cell Science (NCCS); NCCS Complex; Pune, India
| | - T Keshava Prasad
- Institute of Bioinformatics; International Technology Park; Bangalore, India
- Amrita School of Biotechnology; Amrita University; Kollam, India
- YU-IOB Center for Systems Biology and Molecular Medicine; Yenepoya University; Mangalore, India
| | - Joseph A Califano
- Department of Otolaryngology-Head and Neck Surgery; Johns Hopkins University School of Medicine; Baltimore, MD USA
- Milton J. Dance Head and Neck Center; Greater Baltimore Medical Center; Baltimore, MD USA
| | - Harsha Gowda
- Institute of Bioinformatics; International Technology Park; Bangalore, India
- YU-IOB Center for Systems Biology and Molecular Medicine; Yenepoya University; Mangalore, India
| | - David Sidransky
- Department of Otolaryngology-Head and Neck Surgery; Johns Hopkins University School of Medicine; Baltimore, MD USA
| | - Akhilesh Pandey
- McKusick-Nathans Institute of Genetic Medicine; Johns Hopkins University School of Medicine; Baltimore, MD USA
- Department of Biological Chemistry; Johns Hopkins University School of Medicine; Baltimore, MD USA
- Department of Pathology; Johns Hopkins University School of Medicine; Baltimore, MD USA
| | - Aditi Chatterjee
- Institute of Bioinformatics; International Technology Park; Bangalore, India
- YU-IOB Center for Systems Biology and Molecular Medicine; Yenepoya University; Mangalore, India
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Ghosh S, Adhikary A, Chakraborty S, Bhattacharjee P, Mazumder M, Putatunda S, Gorain M, Chakraborty A, Kundu GC, Das T, Sen PC. Cross-talk between endoplasmic reticulum (ER) stress and the MEK/ERK pathway potentiates apoptosis in human triple negative breast carcinoma cells: role of a dihydropyrimidone, nifetepimine. J Biol Chem 2014; 290:3936-49. [PMID: 25527500 DOI: 10.1074/jbc.m114.594028] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Triple negative breast cancers (TNBC) are among the most aggressive and therapy-resistant breast tumors and currently possess almost no molecular targets for therapeutic options in this horizon. In the present study we discerned the molecular mechanisms of potential interaction between the endoplasmic reticulum (ER) stress response and the MEK/ERK pathway in inducing apoptosis in TNBC cells. Here we observed that induction of ER stress alone was not sufficient to trigger significant apoptosis but simultaneous inhibition of the MEK/ERK pathway enhanced ER stress-induced apoptosis via a caspase-dependent mechanism. Our study also demonstrated nifetepimine, a dihydropyrimidone derivative as a potent anti-cancer agent in TNBC cells. Nifetepimine down-regulated the MEK/ERK pathway in MDAMB-231 and MDAMB-468 cells and resulted in blockage of ER stress-mediated GRP78 up-regulation. Detailed mechanistic studies also revealed that nifetepimine by down-regulating pERK expression also declined the promoter binding activity of TFII-I to the GRP78 promoter and in turn regulated GRP78 transcription. Studies further extended to in vivo Swiss albino and SCID mice models also revalidated the anti-carcinogenic property of nifetepimine. Thus our findings cumulatively suggest that nifetepimine couples two distinct signaling pathways to induce the apoptotic death cascade in TNBC cells and raises the possibility for the use of nifetepimine as a potent anti-cancer agent with strong immune-restoring properties for therapeutic intervention for this group of cancer bearers.
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Affiliation(s)
- Swatilekha Ghosh
- From the Division of Molecular Medicine, Bose Institute, P-1/12, Calcutta Improvement Trust Scheme VII M, Kolkata 700 054
| | - Arghya Adhikary
- From the Division of Molecular Medicine, Bose Institute, P-1/12, Calcutta Improvement Trust Scheme VII M, Kolkata 700 054
| | - Supriya Chakraborty
- From the Division of Molecular Medicine, Bose Institute, P-1/12, Calcutta Improvement Trust Scheme VII M, Kolkata 700 054
| | - Pushpak Bhattacharjee
- From the Division of Molecular Medicine, Bose Institute, P-1/12, Calcutta Improvement Trust Scheme VII M, Kolkata 700 054
| | - Minakshi Mazumder
- From the Division of Molecular Medicine, Bose Institute, P-1/12, Calcutta Improvement Trust Scheme VII M, Kolkata 700 054
| | - Salil Putatunda
- the Department of Chemistry, Maulana Azad College, Kolkata 700013, India, and
| | - Mahadeo Gorain
- the National Centre for Cell Science (NCCS), Pune University Campus, Ganeshkhind, Pune 411007, India
| | - Arijit Chakraborty
- the Department of Chemistry, Maulana Azad College, Kolkata 700013, India, and
| | - Gopal C Kundu
- the National Centre for Cell Science (NCCS), Pune University Campus, Ganeshkhind, Pune 411007, India
| | - Tanya Das
- From the Division of Molecular Medicine, Bose Institute, P-1/12, Calcutta Improvement Trust Scheme VII M, Kolkata 700 054,
| | - Parimal C Sen
- From the Division of Molecular Medicine, Bose Institute, P-1/12, Calcutta Improvement Trust Scheme VII M, Kolkata 700 054,
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Mishra R, Kumar D, Tomar D, Chakraborty G, Kumar S, Kundu GC. The potential of class 3 semaphorins as both targets and therapeutics in cancer. Expert Opin Ther Targets 2014; 19:427-42. [PMID: 25434284 DOI: 10.1517/14728222.2014.986095] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
INTRODUCTION Semaphorins have been originally identified as a family of evolutionary conserved soluble or membrane-associated proteins involved in diverse developmental phenomena. This family of proteins profoundly influences numerous pathophysiological processes, including organogenesis, cardiovascular development and immune response. Apart from steering the neural networking process, these are implicated in a broad range of biological operations including regulation of tumor progression and angiogenesis. AREAS COVERED Members of class 3 semaphorin family are known to modulate various cellular processes involved in malignant transformation. Some of the family members trigger diverse signaling processes involved in tumor progression and angiogenesis by binding with plexin and neuropilin. A better understanding of the various signaling mechanisms by which semaphorins modulate tumor progression and angiogenesis may serve as crucial tool in crafting new semaphorin-based anticancer therapy. These include treatment with recombinant tumor suppressive semaphorins or inhibition of tumor-promoting semaphorins by their specific siRNAs, small-molecule inhibitors or specific receptors using neutralizing antibodies or blocking peptides that might serve as novel strategies for effective management of cancers. EXPERT OPINION This review focuses on all the possible avenues to explore various members of class 3 semaphorin family to serve as therapeutics for combating cancer.
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Affiliation(s)
- Rosalin Mishra
- Loboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Center for Cell Science (NCCS) , Pune 411007 , India
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Bandopadhyay M, Bulbule A, Butti R, Chakraborty G, Ghorpade P, Ghosh P, Gorain M, Kale S, Kumar D, Kumar S, Totakura KVS, Roy G, Sharma P, Shetti D, Soundararajan G, Thorat D, Tomar D, Nalukurthi R, Raja R, Mishra R, Yadav AS, Kundu GC. Osteopontin as a therapeutic target for cancer. Expert Opin Ther Targets 2014; 18:883-95. [DOI: 10.1517/14728222.2014.925447] [Citation(s) in RCA: 91] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Panda JJ, Kaul A, Kumar S, Alam S, Mishra AK, Kundu GC, Chauhan VS. Modified dipeptide-based nanoparticles: vehicles for targeted tumor drug delivery. Nanomedicine (Lond) 2013; 8:1927-42. [DOI: 10.2217/nnm.12.201] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Aim: Different nanoparticles have been investigated to deliver chemotherapeutic agents, but complex synthesis procedures and biocompatibility issues raise concerns in developing them for safe human usage. The aim of this work is to develop α,β-dehydrophenylalanine-containing, self-assembled, amphipathic dipeptide nanoparticles for tumor-targeted drug delivery and therapy. Material & methods: Solution-phase peptide synthesis was used to synthesize dipeptides. Nanoparticles were prepared by molecular self-assembly. A tumor distribution study was carried out using a radiolabeling method. Tumor regression studies were carried out in murine ascitic tumors in BALB/c mice and breast tumor xenografts in in nonobese diabetic/severe combined immuno¬deficiency mice. Results: Arg–α,β-dehydrophenylalanine formed self-assembled nanoparticles that could be easily derivatized with folic acid. Folic acid-derivatized nanoparticles showed enhanced cellular uptake and, when loaded with doxorubicin, showed enhanced tumor regression compared with underivatized nanoparticles or native drug, without any adverse side effects, both in vitro and in vivo. Original submitted 20 April 2012; Revised submitted 9 November 2012
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Affiliation(s)
- Jiban J Panda
- International Centre for Genetic Engineering & Biotechnology, New Delhi 110067, India
| | - Ankur Kaul
- Institute of Nuclear Medicine & Allied Sciences, New Delhi 110054, India
| | - Santosh Kumar
- National Centre for Cell Science, Pune 411007, India
| | - Shadab Alam
- International Centre for Genetic Engineering & Biotechnology, New Delhi 110067, India
| | - Anil K Mishra
- Institute of Nuclear Medicine & Allied Sciences, New Delhi 110054, India
| | - Gopal C Kundu
- National Centre for Cell Science, Pune 411007, India
| | - Virander S Chauhan
- International Centre for Genetic Engineering & Biotechnology, New Delhi 110067, India
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Haldar S, Kumar S, Kolet SP, Patil HS, Kumar D, Kundu GC, Thulasiram HV. One-Pot Fluorescent Labeling Protocol for Complex Hydroxylated Bioactive Natural Products. J Org Chem 2013; 78:10192-202. [DOI: 10.1021/jo401559t] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Saikat Haldar
- Chemical
Biology Unit, Division of Organic Chemistry, CSIR-National Chemical Laboratory, Pune-411008, India
| | - Santosh Kumar
- National
Center for Cell Science, Pune-411007, India
| | - Swati P. Kolet
- Chemical
Biology Unit, Division of Organic Chemistry, CSIR-National Chemical Laboratory, Pune-411008, India
| | - Harshal S. Patil
- Chemical
Biology Unit, Division of Organic Chemistry, CSIR-National Chemical Laboratory, Pune-411008, India
| | - Dhiraj Kumar
- National
Center for Cell Science, Pune-411007, India
| | | | - Hirekodathakallu V. Thulasiram
- Chemical
Biology Unit, Division of Organic Chemistry, CSIR-National Chemical Laboratory, Pune-411008, India
- CSIR-Institute
of Genomics and Integrative Biology, Mall Road, New Delhi-110007, India
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Thorat D, Sahu A, Behera R, Lohite K, Deshmukh S, Mane A, Karnik S, Doke S, Kundu GC. Association of osteopontin and cyclooxygenase-2 expression with breast cancer subtypes and their use as potential biomarkers. Oncol Lett 2013; 6:1559-1564. [PMID: 24260046 PMCID: PMC3834357 DOI: 10.3892/ol.2013.1600] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2013] [Accepted: 07/31/2013] [Indexed: 12/18/2022] Open
Abstract
Breast cancer is one of the most common malignant tumors among females worldwide and remains a leading cause of cancer-related mortality. Due to the heterogeneous clinical nature of breast cancer, it is necessary to identify new biomarkers that are associated with tumor growth, angiogenesis and metastasis. Osteopontin (OPN) and cyclooxygenase-2 (COX-2) are known to be overexpressed in invasive breast cancer and their overexpression is associated with aggressive histological and clinical features. The present study assessed OPN and COX-2 expression in various subtypes of breast cancer. The expression of OPN and COX-2 was analyzed using immunohistochemistry (IHC) in a cohort of 67 invasive ductal breast carcinoma patients. The statistical analysis was performed using standard statistical software SPSS version 18.0. The associations between OPN and COX-2 and the human epidermal growth factor receptor type 2 (HER2)-overexpressing and non-HER2-overexpressing subtypes were evaluated using the Mann-Whitney U test. The mean OPN level was significantly higher in the HER2-overexpressing subtype compared with the non-HER2-overexpressing subtype. Furthermore, the mean COX-2 expression levels were higher in the HER2-overexpressing subtype compared with the luminal A, luminal B or triple-negative groups. It is well known that carcinomas overexpressing HER2/neu have a worse prognosis than luminal tumors. Hence, it may be hypothesized that an elevated expression of OPN and COX-2 in a HER2-overexpressing subtype may contribute to a more aggressive behavior and be used as diagnostic and prognostic markers in breast cancer.
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Affiliation(s)
- Dhanashri Thorat
- Department of Tumor Biology, Angiogenesis and Nanomedicine, National Centre for Cell Science, Pune, Maharashtra 411007, India
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