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Jain AP, Radhakrishnan A, Pinto S, Patel K, Kumar M, Nanjappa V, Raja R, Keshava Prasad TS, Mathur PP, Sidransky D, Chatterjee A, Gowda H. How to Achieve Therapeutic Response in Erlotinib-Resistant Head and Neck Squamous Cell Carcinoma? New Insights from Stable Isotope Labeling with Amino Acids in Cell Culture-Based Quantitative Tyrosine Phosphoproteomics. OMICS-A JOURNAL OF INTEGRATIVE BIOLOGY 2021; 25:605-616. [PMID: 34432535 DOI: 10.1089/omi.2021.0057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Resistance to cancer chemotherapy is a major global health burden. Epidermal growth factor receptor (EGFR) is a proven therapeutic target for multiple cancers of epithelial origin. Despite its overexpression in >90% of head and neck squamous cell carcinoma (HNSCC) patients, tyrosine kinase inhibitors such as erlotinib have shown a modest response in clinical trials. Cellular heterogeneity is thought to play an important role in HNSCC therapeutic resistance. Genomic alterations alone cannot explain all resistance mechanisms at play in a heterogeneous system. It is thus important to understand the biochemical mechanisms associated with drug resistance to determine potential strategies to achieve clinical response. We investigated tyrosine kinase signaling networks in erlotinib-resistant cells using quantitative tyrosine phosphoproteomics approach. We observed altered phosphorylation of proteins involved in cell adhesion and motility in erlotinib-resistant cells. Bioinformatics analysis revealed enrichment of pathways related to regulation of the actin cytoskeleton, extracellular matrix (ECM)-receptor interaction, and endothelial migration. Of importance, enrichment of the focal adhesion kinase (PTK2) signaling pathway downstream of EGFR was also observed in erlotinib-resistant cells. To the best of our knowledge, we present the first report of tyrosine phosphoproteome profiling in erlotinib-resistant HNSCC, with an eye to inform new ways to achieve clinical response. Our findings suggest that common signaling networks are at play in driving resistance to EGFR-targeted therapies in HNSCC and other cancers. Most notably, our data suggest that the PTK2 pathway genes may potentially play a significant role in determining clinical response to erlotinib in HNSCC tumors.
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Affiliation(s)
- Ankit P Jain
- Institute of Bioinformatics, International Tech Park, Bangalore, India.,School of Biotechnology, Kalinga Institute of Industrial Technology, Bhubaneswar, India
| | | | - Sneha Pinto
- Institute of Bioinformatics, International Tech Park, Bangalore, India.,Center for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore, India
| | - Krishna Patel
- Institute of Bioinformatics, International Tech Park, Bangalore, India.,School of Biotechnology, Amrita Vishwa Vidyapeetham, Kollam, India
| | - Manish Kumar
- Institute of Bioinformatics, International Tech Park, Bangalore, India.,Manipal Academy of Higher Education (MAHE), Manipal, India
| | | | - Remya Raja
- Institute of Bioinformatics, International Tech Park, Bangalore, India.,Manipal Academy of Higher Education (MAHE), Manipal, India
| | - Thottethodi Subrahmanya Keshava Prasad
- Institute of Bioinformatics, International Tech Park, Bangalore, India.,Center for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore, India.,Proteomics and Bioinformatics Laboratory, Neurobiology Research Centre, National Institute of Mental Health and Neurosciences, Bangalore, India
| | - Premendu P Mathur
- School of Biotechnology, Kalinga Institute of Industrial Technology, Bhubaneswar, India.,Department of Biochemistry & Molecular Biology, School of Life Sciences, Pondicherry University, Pondicherry, India
| | - David Sidransky
- Department of Otolaryngology-Head and Neck Surgery; Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Aditi Chatterjee
- Institute of Bioinformatics, International Tech Park, Bangalore, India.,Manipal Academy of Higher Education (MAHE), Manipal, India.,Center for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore, India
| | - Harsha Gowda
- Institute of Bioinformatics, International Tech Park, Bangalore, India.,Manipal Academy of Higher Education (MAHE), Manipal, India.,Center for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore, India
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Kaempferol Induces Cell Death and Sensitizes Human Head and Neck Squamous Cell Carcinoma Cell Lines to Cisplatin. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021. [PMID: 33368015 DOI: 10.1007/5584_2020_603] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/20/2023]
Abstract
Cisplatin is a first-line chemotherapeutic drug commonly used to treat patients with head and neck cancer; nevertheless, cisplatin resistance poses a main challenge for its clinical efficacy. Recent studies have shown that kaempferol, a natural flavonoid found in various plants and foods, has an anticancer effect. The following study evaluated the cytotoxic effects of kaempferol on head and neck tumor cells and their mechanism of action, evaluating the effects on proliferation, the oxygen consumption rate, transmembrane potential, tumor cell migration and induction of apoptosis. Moreover, we determined the effects of a combination of kaempferol and cisplatin on head and neck tumor cells. We found that kaempferol inhibited the oxygen consumption rate and decreased the intracellular ATP content in tumor cells. This novel mechanism may inhibit the migratory capacity and promote antiproliferative effects and apoptosis of tumor cells. Additionally, our in vitro data indicated that kaempferol may sensitize head and neck tumor cells to the effects of cisplatin. These effects provide new evidence for the use of a combination of kaempferol and cisplatin in vivo and their future applications in head and neck cancer therapy.
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Peraldo-Neia C, Ostano P, Mello-Grand M, Guana F, Gregnanin I, Boschi D, Oliaro-Bosso S, Pippione AC, Carenzo A, De Cecco L, Cavalieri S, Micali A, Perrone F, Averono G, Bagnasacco P, Dosdegani R, Masini L, Krengli M, Aluffi-Valletti P, Valente G, Chiorino G. AKR1C3 is a biomarker and druggable target for oropharyngeal tumors. Cell Oncol (Dordr) 2020; 44:357-372. [PMID: 33211282 DOI: 10.1007/s13402-020-00571-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/21/2020] [Indexed: 10/22/2022] Open
Abstract
PURPOSE Oropharynx squamous cell carcinoma (OPSCC) is a subtype of head and neck squamous cell carcinoma (HNSCC) arising from the base of the tongue, lingual tonsils, tonsils, oropharynx or pharynx. The majority of HPV-positive OPSCCs has a good prognosis, but a fraction of them has a poor prognosis, similar to HPV-negative OPSCCs. An in-depth understanding of the molecular mechanisms underlying OPSCC is mandatory for the identification of novel prognostic biomarkers and/or novel therapeutic targets. METHODS 14 HPV-positive and 15 HPV-negative OPSCCs with 5-year follow-up information were subjected to gene expression profiling and, subsequently, compared to three extensive published OPSCC cohorts to define robust biomarkers for HPV-negative lesions. Validation of Aldo-keto-reductases 1C3 (AKR1C3) by qRT-PCR was carried out on an independent cohort (n = 111) of OPSCC cases. In addition, OPSCC cell lines Fadu and Cal-27 were treated with Cisplatin and/or specific AKR1C3 inhibitors to assess their (combined) therapeutic effects. RESULTS Gene set enrichment analysis (GSEA) on the four datasets revealed that the genes down-regulated in HPV-negative samples were mainly involved in immune system, whereas those up-regulated mainly in glutathione derivative biosynthetic and xenobiotic metabolic processes. A panel of 30 robust HPV-associated transcripts was identified, with AKR1C3 as top-overexpressed transcript in HPV-negative samples. AKR1C3 expression in 111 independent OPSCC cases positively correlated with a worse survival, both in the entire cohort and in HPV-positive samples. Pretreatment with a selective AKR1C3 inhibitor potentiated the effect of Cisplatin in OPSCC cells exhibiting higher basal AKR1C3 expression levels. CONCLUSIONS We identified AKR1C3 as a potential prognostic biomarker in OPSCC and as a potential drug target whose inhibition can potentiate the effect of Cisplatin.
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Affiliation(s)
- Caterina Peraldo-Neia
- Laboratory of Cancer Genomics, Fondazione Edo ed Elvo Tempia, via Malta 3, 13900, Biella, Italy
| | - Paola Ostano
- Laboratory of Cancer Genomics, Fondazione Edo ed Elvo Tempia, via Malta 3, 13900, Biella, Italy
| | - Maurizia Mello-Grand
- Laboratory of Cancer Genomics, Fondazione Edo ed Elvo Tempia, via Malta 3, 13900, Biella, Italy
| | - Francesca Guana
- Laboratory of Cancer Genomics, Fondazione Edo ed Elvo Tempia, via Malta 3, 13900, Biella, Italy
| | - Ilaria Gregnanin
- Laboratory of Cancer Genomics, Fondazione Edo ed Elvo Tempia, via Malta 3, 13900, Biella, Italy
| | - Donatella Boschi
- Department of Drug Science and Technology, University of Turin, via Pietro Giuria 9, 10125, Turin, Italy
| | - Simonetta Oliaro-Bosso
- Department of Drug Science and Technology, University of Turin, via Pietro Giuria 9, 10125, Turin, Italy
| | - Agnese Chiara Pippione
- Department of Drug Science and Technology, University of Turin, via Pietro Giuria 9, 10125, Turin, Italy
| | - Andrea Carenzo
- Integrated Biology Platform, Department of Applied Research and Technology Development, Fondazione IRCCS Istituto Nazionale dei Tumori, Via Venezian 1, 20133, Milan, Italy
| | - Loris De Cecco
- Integrated Biology Platform, Department of Applied Research and Technology Development, Fondazione IRCCS Istituto Nazionale dei Tumori, Via Venezian 1, 20133, Milan, Italy
| | - Stefano Cavalieri
- Head and Neck Medical Oncology Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, via Venezian 1, 20133, Milan, Italy
| | - Arianna Micali
- Integrated Biology Platform, Department of Applied Research and Technology Development, Fondazione IRCCS Istituto Nazionale dei Tumori, Via Venezian 1, 20133, Milan, Italy
| | - Federica Perrone
- Department of Pathology and Laboratory Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, via Venezian 1, 20133, Milan, Italy
| | - Gianluca Averono
- Otorhinolaryngology Unit, Ospedale degli Infermi, via dei Ponderanesi 1, Ponderano, Biella, Italy
| | - Paolo Bagnasacco
- Otorhinolaryngology Unit, Ospedale degli Infermi, via dei Ponderanesi 1, Ponderano, Biella, Italy
| | | | - Laura Masini
- Department of Translational Medicine, UPO School of Medicine, Radiotherapy Unit, Novara, Italy
| | - Marco Krengli
- Department of Translational Medicine, UPO School of Medicine, Radiotherapy Unit, Novara, Italy
| | - Paolo Aluffi-Valletti
- Department of Health Sciences, UPO School of Medicine, Otorhinolaryngology Unit, Novara, Italy
| | - Guido Valente
- Department of Translational Medicine, UPO School of Medicine, Radiotherapy Unit, Novara, Italy
| | - Giovanna Chiorino
- Laboratory of Cancer Genomics, Fondazione Edo ed Elvo Tempia, via Malta 3, 13900, Biella, Italy.
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Traditional Herbal Medicine Mediated Regulations during Head and Neck Carcinogenesis. Biomolecules 2020; 10:biom10091321. [PMID: 32942674 PMCID: PMC7565208 DOI: 10.3390/biom10091321] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 09/13/2020] [Accepted: 09/14/2020] [Indexed: 01/31/2023] Open
Abstract
Head and neck squamous cell carcinoma (HNSCC) is one of the most prevalent neoplasms worldwide. It is well recognized that environmental challenges such as smoking, viral infection and alcohol consumption are key factors underlying HNSCC pathogenesis. Other than major clinical interventions (e.g., surgical resection, chemical and radiotherapy) that have been routinely practiced over years, adjuvant anticancer agents from Traditional Herbal Medicine (THM) are proposed, either alone or together with conventional therapies, to be experimentally effective for improving treatment efficacy in different cancers including HNSCCs. At a cellular and molecular basis, THM extracts could modulate different malignant indices via distinct signaling pathways and provide better control in HNSCC malignancy and its clinical complications such as radiotherapy-induced xerostomia/oral mucositis. In this article, we aim to systemically review the impacts of THM in regulating HNSCC tumorous identities and its potential perspective for clinical use.
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Lu X, Wang Z, Huang H, Wang H. Hedgehog signaling promotes multidrug resistance by regulation of ABC transporters in oral squamous cell carcinoma. J Oral Pathol Med 2020; 49:897-906. [DOI: 10.1111/jop.13050] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 04/29/2020] [Accepted: 05/23/2020] [Indexed: 12/13/2022]
Affiliation(s)
- Xiangwan Lu
- School of Life Sciences Sun Yat‐sen University Guangzhou China
| | | | - Hongxing Huang
- School of Life Sciences Sun Yat‐sen University Guangzhou China
| | - Hua Wang
- Department of Oral and Maxillofacial Surgery Guanghua School of Stomotology Sun Yat‐sen University Guangzhou China
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López-Verdín S, Lavalle-Carrasco J, Carreón-Burciaga RG, Serafín-Higuera N, Molina-Frechero N, González-González R, Bologna-Molina R. Molecular Markers of Anticancer Drug Resistance in Head and Neck Squamous Cell Carcinoma: A Literature Review. Cancers (Basel) 2018; 10:cancers10100376. [PMID: 30308958 PMCID: PMC6210289 DOI: 10.3390/cancers10100376] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 10/01/2018] [Accepted: 10/08/2018] [Indexed: 02/07/2023] Open
Abstract
This manuscript provides an update to the literature on molecules with roles in tumor resistance therapy in head and neck squamous cell carcinoma (HNSCC). Although significant improvements have been made in the treatment for head and neck squamous cell carcinoma, physicians face yet another challenge-that of preserving oral functions, which involves the use of multidisciplinary therapies, such as multiple chemotherapies (CT) and radiotherapy (RT). Designing personalized therapeutic options requires the study of genes involved in drug resistance. This review provides an overview of the molecules that have been linked to resistance to chemotherapy in HNSCC, including the family of ATP-binding cassette transporters (ABCs), nucleotide excision repair/base excision repair (NER/BER) enzymatic complexes (which act on nonspecific DNA lesions generated by gamma and ultraviolet radiation by cross-linking and forming intra/interchain chemical adducts), cisplatin (a chemotherapeutic agent that causes DNA damage and induces apoptosis, which is a paradox because its effectiveness is based on the integrity of the genes involved in apoptotic signaling pathways), and cetuximab, including a discussion of the genes involved in the cell cycle and the proliferation of possible markers that confer resistance to cetuximab.
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Affiliation(s)
- Sandra López-Verdín
- Research Institute of Dentistry, Health Science Center, Universidad de Guadalajara, Guadalajara 4430, JAL, Mexico.
| | - Jesús Lavalle-Carrasco
- Department of Research, School of Dentistry, Universidad Juárez del Estado de Durango, Durango 34000, DGO, Mexico.
| | - Ramón G Carreón-Burciaga
- Department of Research, School of Dentistry, Universidad Juárez del Estado de Durango, Durango 34000, DGO, Mexico.
| | - Nicolás Serafín-Higuera
- Molecular Biology Department, School of Dentistry, Universidad Autónoma de Baja California, Mexicali 21040, Mexico.
| | - Nelly Molina-Frechero
- Department of Health Care, Xochimilco Unit, Universidad Autónoma Metropolitana (UAM) Xochimilco, Mexico City 04960, Mexico.
| | - Rogelio González-González
- Department of Research, School of Dentistry, Universidad Juárez del Estado de Durango, Durango 34000, DGO, Mexico.
| | - Ronell Bologna-Molina
- Department of Research, School of Dentistry, Universidad Juárez del Estado de Durango, Durango 34000, DGO, Mexico.
- Molecular Pathology Area, School of Dentistry, Universidad de la República, Montevideo 11600, Uruguay.
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Sakuma K, Tamura R, Hanyu S, Takahashi H, Sato H, Oneyama T, Yamaguchi A, Tanaka A. Clinical study on collagen gel droplet-embedded culture drug sensitivity test for multidrug combination chemotherapy and super selective intra-arterial infusion chemoradiotherapy in oral squamous cell carcinoma. Mol Clin Oncol 2017; 7:1021-1026. [PMID: 29285367 DOI: 10.3892/mco.2017.1459] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Accepted: 10/17/2017] [Indexed: 01/26/2023] Open
Abstract
Using trace three-dimensional culture, the collagen gel droplet-embedded culture drug sensitivity test (CD-DST) can be tested even in cases with a small number of cells, including oral squamous cell carcinoma (OSCC), and evaluation of the antitumor effect with a drug concentration close to the in vivo level is possible. The present report aimed to evaluate the utility of the CD-DST in the assessment of the in vitro efficacy of single-agent and multidrug combination chemotherapy for OSCC in comparison with the clinical response rates and to examine the possible clinical application of CD-DST for such cases. A total of 33 OSCC patients from whom 33 samples were obtained from January 2010 to September 2015 were included. CD-DST was performed, individually and in combination, on the three drugs [i.e., cisplatin (CDDP), 5-fluorouracil (5-FU), and docetaxel (DOC)] and on super selective intra-arterial infusion chemoradiotherapy (IACRT). The overall evaluable rate of the CD-DST in OSCC was 81.8% (27 of 33 cases) and the sensitivity to each anticancer drug was evaluated. The in vitro efficacy rates of IACRT, cisplatin + 5-fluorouracil, and docetaxel + cisplatin + 5-fluorouracil (TPF) confirmed the estimated clinical response rates. In 14 of 33 patients, the results of CD-DST were compared with clinical efficacy, which was judged based on measurable lesions on imaging. For TPF therapy, the sensitivity test of the IACRT had a positive predictive value of 90.9% (10 of 11 cases) and a negative predictive value of 100% (3 of 3 cases); the accuracy of the susceptibility test for the anticancer agents was 92.8% (13 of 14 cases). The CD-DST may be useful in selecting multidrug combination chemotherapy and IACRT for OSCC, however, accumulation of further clinical data is required in the future.
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Affiliation(s)
- Kaname Sakuma
- Department of Oral and Maxillofacial Surgery, Niigata Hospital, The Nippon Dental University, Niigata, Niigata 951-8580, Japan
| | - Ryuki Tamura
- Department of Oral and Maxillofacial Surgery, The Nippon Dental University School of Life Dentistry at Niigata, Niigata, Niigata 951-8580, Japan
| | - Shintaro Hanyu
- Department of Oral and Maxillofacial Surgery, The Nippon Dental University School of Life Dentistry at Niigata, Niigata, Niigata 951-8580, Japan
| | - Haruka Takahashi
- Department of Oral and Maxillofacial Surgery, The Nippon Dental University School of Life Dentistry at Niigata, Niigata, Niigata 951-8580, Japan
| | - Hideaki Sato
- Department of Oral and Maxillofacial Surgery, Niigata Hospital, The Nippon Dental University, Niigata, Niigata 951-8580, Japan
| | - Takahiro Oneyama
- Department of Oral and Maxillofacial Surgery, Niigata Hospital, The Nippon Dental University, Niigata, Niigata 951-8580, Japan
| | - Akira Yamaguchi
- Department of Oral and Maxillofacial Surgery, Niigata Hospital, The Nippon Dental University, Niigata, Niigata 951-8580, Japan
| | - Akira Tanaka
- Department of Oral and Maxillofacial Surgery, The Nippon Dental University School of Life Dentistry at Niigata, Niigata, Niigata 951-8580, Japan
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Takahashi H, Ishikawa H, Tanaka A. Regenerative medicine for Parkinson's disease using differentiated nerve cells derived from human buccal fat pad stem cells. Hum Cell 2017; 30:60-71. [PMID: 28210976 DOI: 10.1007/s13577-017-0160-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Accepted: 01/16/2017] [Indexed: 01/29/2023]
Abstract
The purpose of this study was to evaluate the utility of human adipose stem cells derived from the buccal fat pad (hBFP-ASCs) for nerve regeneration. Parkinson's disease (PD) is a neurodegenerative disorder characterized by progressive death of dopaminergic neurons. PD is a candidate disease for cell replacement therapy because it has no fundamental therapeutic methods. We examined the properties of neural-related cells induced from hBFP-ASCs as a cell source for PD treatment. hBFP-ASCs were cultured in neurogenic differentiation medium for about 2 weeks. After the morphology of hBFP-ASCs changed to neural-like cells, the medium was replaced with neural maintenance medium. Cells differentiated from hBFP-ASCs showed neuron-like structures and expressed neuron markers (β3-tubulin, neurofilament 200, and microtubule-associated protein 2), an astrocyte marker (glial fibrillary acidic protein), or dopaminergic neuron-related marker (tyrosine hydroxylase). Induced neural cells were transplanted into a 6-hydroxydopamine (6-OHDA)-lesioned rat hemi-parkinsonian model. At 4 weeks after transplantation, 6-OHDA-lesioned rats were subjected to apomorphine-induced rotation analysis. The transplanted cells survived in the brain of rats as dopaminergic neural cells. No tumor formation was found after cell transplantation. We demonstrated differentiation of hBFP-ASCs into neural cells, and that transplantation of these neural cells improved the symptoms of model rats. Our results suggest that neurons differentiated from hBFP-ASCs would be applicable to cell replacement therapy of PD.
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Affiliation(s)
- Haruka Takahashi
- Oral and Maxillofacial Surgery, Field of Oral and Maxillofacial Surgery and Systemic Medicine, Course of Clinical Science, Nippon Dental University Graduate School of Life Dentistry at Niigata, 1-8 Hamaura-cho, Chuo-ku, Niigata, 951-8580, Japan.
| | - Hiroshi Ishikawa
- Department of NDU Life Sciences, Nippon Dental University School of Life Dentistry at Tokyo, 1-9-20 Fujimi, Chiyoda-ku, Tokyo, 102-8159, Japan
| | - Akira Tanaka
- Department of Oral and Maxillofacial Surgery, Nippon Dental University School of Life Dentistry at Niigata, 1-8 Hamaura-cho, Chuo-ku, Niigata, 951-8580, Japan
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Collagen gel droplet-embedded culture drug sensitivity testing in squamous cell carcinoma cell lines derived from human oral cancers: Optimal contact concentrations of cisplatin and fluorouracil. Oncol Lett 2016; 12:4643-4650. [PMID: 28105171 DOI: 10.3892/ol.2016.5238] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2015] [Accepted: 06/07/2016] [Indexed: 01/15/2023] Open
Abstract
The collagen gel droplet-embedded culture drug sensitivity test (CD-DST) is an anticancer drug sensitivity test that uses a method of three-dimensional culture of extremely small samples, and it is suited to primary cultures of human cancer cells. It is a useful method for oral squamous cell carcinoma (OSCC), in which the cancer tissues available for testing are limited. However, since the optimal contact concentrations of anticancer drugs have yet to be established in OSCC, CD-DST for detecting drug sensitivities of OSCC is currently performed by applying the optimal contact concentrations for stomach cancer. In the present study, squamous carcinoma cell lines from human oral cancer were used to investigate the optimal contact concentrations of cisplatin (CDDP) and fluorouracil (5-FU) during CD-DST for OSCC. CD-DST was performed in 7 squamous cell carcinoma cell lines derived from human oral cancers (Ca9-22, HSC-3, HSC-4, HO-1-N-1, KON, OSC-19 and SAS) using CDDP (0.15, 0.3, 1.25, 2.5, 5.0 and 10.0 µg/ml) and 5-FU (0.4, 0.9, 1.8, 3.8, 7.5, 15.0 and 30.0 µg/ml), and the optimal contact concentrations were calculated from the clinical response rate of OSCC to single-drug treatment and the in vitro efficacy rate curve. The optimal concentrations were 0.5 µg/ml for CDDP and 0.7 µg/ml for 5-FU. The antitumor efficacy of CDDP at this optimal contact concentration in CD-DST was compared to the antitumor efficacy in the nude mouse method. The T/C values, which were calculated as the ratio of the colony volume of the treatment group and the colony volume of the control group, at the optimal contact concentration of CDDP and of the nude mouse method were almost in agreement (P<0.05) and predicted clinical efficacy, indicating that the calculated optimal contact concentration is valid. Therefore, chemotherapy for OSCC based on anticancer drug sensitivity tests offers patients a greater freedom of choice and is likely to assume a greater importance in the selection of treatment from the perspectives of function preservation and quality of life, as well as representing a treatment option for unresectable, intractable or recurrent cases.
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10
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Seebacher N, Lane DJR, Richardson DR, Jansson PJ. Turning the gun on cancer: Utilizing lysosomal P-glycoprotein as a new strategy to overcome multi-drug resistance. Free Radic Biol Med 2016; 96:432-45. [PMID: 27154979 DOI: 10.1016/j.freeradbiomed.2016.04.201] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Revised: 04/01/2016] [Accepted: 04/29/2016] [Indexed: 01/02/2023]
Abstract
Oxidative stress plays a role in the development of drug resistance in cancer cells. Cancer cells must constantly and rapidly adapt to changes in the tumor microenvironment, due to alterations in the availability of nutrients, such as glucose, oxygen and key transition metals (e.g., iron and copper). This nutrient flux is typically a consequence of rapid growth, poor vascularization and necrosis. It has been demonstrated that stress factors, such as hypoxia and glucose deprivation up-regulate master transcription factors, namely hypoxia inducible factor-1α (HIF-1α), which transcriptionally regulate the multi-drug resistance (MDR), transmembrane drug efflux transporter, P-glycoprotein (Pgp). Interestingly, in addition to the established role of plasma membrane Pgp in MDR, a new paradigm of intracellular resistance has emerged that is premised on the ability of lysosomal Pgp to transport cytotoxic agents into this organelle. This mechanism is enabled by the topological inversion of Pgp via endocytosis resulting in the transporter actively pumping agents into the lysosome. In this way, classical Pgp substrates, such as doxorubicin (DOX), can be actively transported into this organelle. Within the lysosome, DOX becomes protonated upon acidification of the lysosomal lumen, causing its accumulation. This mechanism efficiently traps DOX, preventing its cytotoxic interaction with nuclear DNA. This review discusses these effects and highlights a novel mechanism by which redox-active and protonatable Pgp substrates can utilize lysosomal Pgp to gain access to this compartment, resulting in catastrophic lysosomal membrane permeabilization and cell death. Hence, a key MDR mechanism that utilizes Pgp (the "gun") to sequester protonatable drug substrates safely within lysosomes can be "turned on" MDR cancer cells to destroy them from within.
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Affiliation(s)
- Nicole Seebacher
- Molecular Pharmacology and Pathology Program, Department of Pathology and Bosch Institute, Blackburn Building (D06), University of Sydney, Sydney, New South Wales 2006, Australia
| | - Darius J R Lane
- Molecular Pharmacology and Pathology Program, Department of Pathology and Bosch Institute, Blackburn Building (D06), University of Sydney, Sydney, New South Wales 2006, Australia
| | - Des R Richardson
- Molecular Pharmacology and Pathology Program, Department of Pathology and Bosch Institute, Blackburn Building (D06), University of Sydney, Sydney, New South Wales 2006, Australia
| | - Patric J Jansson
- Molecular Pharmacology and Pathology Program, Department of Pathology and Bosch Institute, Blackburn Building (D06), University of Sydney, Sydney, New South Wales 2006, Australia
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11
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Tobe BTD, Brandel MG, Nye JS, Snyder EY. Implications and limitations of cellular reprogramming for psychiatric drug development. Exp Mol Med 2013; 45:e59. [PMID: 24232258 PMCID: PMC3849573 DOI: 10.1038/emm.2013.124] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2013] [Accepted: 08/28/2013] [Indexed: 12/28/2022] Open
Abstract
Human-induced pluripotent stem cells (hiPSCs) derived from somatic cells of patients have opened possibilities for in vitro modeling of the physiology of neural (and other) cells in psychiatric disease states. Issues in early stages of technology development include (1) establishing a library of cells from adequately phenotyped patients, (2) streamlining laborious, costly hiPSC derivation and characterization, (3) assessing whether mutations or other alterations introduced by reprogramming confound interpretation, (4) developing efficient differentiation strategies to relevant cell types, (5) identifying discernible cellular phenotypes meaningful for cyclic, stress induced or relapsing-remitting diseases, (6) converting phenotypes to screening assays suitable for genome-wide mechanistic studies or large collection compound testing and (7) controlling for variability in relation to disease specificity amidst low sample numbers. Coordination of material for reprogramming from patients well-characterized clinically, genetically and with neuroimaging are beginning, and initial studies have begun to identify cellular phenotypes. Finally, several psychiatric drugs have been found to alter reprogramming efficiency in vitro, suggesting further complexity in applying hiPSCs to psychiatric diseases or that some drugs influence neural differentiation moreso than generally recognized. Despite these challenges, studies utilizing hiPSCs may eventually serve to fill essential niches in the translational pipeline for the discovery of new therapeutics.
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Affiliation(s)
- Brian T D Tobe
- 1] Program in Stem Cell and Regenerative Biology, Sanford-Burnham Medical Research Institute, Burnham Institute for Medical Research, La Jolla, CA, USA [2] Department of Psychiatry, Veterans Administration Medical Center, La Jolla, CA, USA
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Suzuki M, Ishikawa H, Kawakami M, Nakahara T, Tanaka A, Mataga I. Establishment and characterization of METON myoepithelioma cell line derived from human palatal myoepithelioma: apical reference to the diverse differentiation potential. Hum Cell 2013; 26:170-6. [PMID: 23761224 PMCID: PMC3844820 DOI: 10.1007/s13577-013-0066-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2013] [Accepted: 05/15/2013] [Indexed: 11/13/2022]
Abstract
Myoepithelioma is an extremely rare condition that accounts for 1–1.5 % of salivary gland tumors. It was formerly regarded as a subtype of pleomorphic adenoma, in which myoepithelial structural components predominated, but was listed as a separate disease entity in the 1991 World Health Organization classification (Seifert in Histological typing of salivary gland tumours. Springer, Berlin, 1991). Its histology is highly varied and recurrence is frequent (El-Naggar et al. in J Larygol Otol 103:1192–1197, 1989), with cases of malignant transformation having been reported (Seifert in Histological typing of salivary gland tumours. Springer, Berlin, 1991; Barnes et al. in Pathology and Genetics of head and neck tumours. IARC Press, Lyon, 2005), making this a difficult tumor to control in many cases. This is thought to be due to the multiple differentiation potential of myoepithelial cells, but the details are unknown. There have been a number of reports of the establishment of cell lines (Shirasuna et al. Cancer. 45:297–305, 1980; Jaeger et al. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 84:663–667, 1997), but numerous points remain unclear. We established a myoepithelial cell line designated METON, and investigated its characteristics. METON consists of cells with two different morphologies: spindle-shaped cells and epithelial-like cells. Then. we also used single-cell cloning method to establish various subclones (epithelial-like, spindle-like, and mixed epithelial-like/spindle-like cell lines). Among these, pluripotency markers were expressed by the mixed epithelial-like/spindle-like cell lines. The newly established cell line expressing these pluripotency markers will be extremely useful for elucidating the diverse histologies of salivary gland tumors.
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Affiliation(s)
- Minako Suzuki
- Department of Oral and Maxillofacial Surgery, School of Life Dentistry at Niigata, The Nippon Dental University, Niigata, Japan,
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Caracciolo V, Laurenti G, Romano G, Carnevale V, Cimini AM, Crozier-Fitzgerald C, Gentile Warschauer E, Russo G, Giordano A. Flavopiridol induces phosphorylation of AKT in a human glioblastoma cell line, in contrast to siRNA-mediated silencing of Cdk9: Implications for drug design and development. Cell Cycle 2012; 11:1202-16. [PMID: 22391209 DOI: 10.4161/cc.11.6.19663] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Cdk9 and Cdk7 are cdc2-like serine/threonine kinases that stabilize RNA transcript elongation through RNA polII carboxyl terminal domain (CTD) phosphorylation and are considered suitable targets for cancer therapy. The effects of flavopiridol and of siRNA-mediated inhibition of Cdk9 and/or Cdk7 were analyzed in human glioblastoma and human prostate cancer cell lines. One finding revealed that Cdk9 and Cdk7 could substitute each other in RNA polII CTD phosphorylation in contrast to the in vitro system. Thus, a simultaneous inhibition of Cdk9 and Cdk7 might be required both for targeting malignant cells and developing a platform for microarray analysis. However, these two pathways are not redundant, as indicated by differential effects observed in cell cycle regulation following siRNA-mediated inhibition of Cdk9 and/or Cdk7 in human PC3 prostate cancer cell line. Specifically, siRNA-mediated inhibition of Cdk9 caused a shift from G 0/G 1 to G 2/M phase in human PC3 prostate cancer cell line. Another finding showed that flavopiridol treatment induced a substantial AKT-Ser473 phosphorylation in human glioblastoma T98G cell line in contrast to siRNA-mediated inhibition of Cdk9 and Cdk9 combined with Cdk7, whereas siRNA-mediated silencing of Cdk7 caused a minor increase in AKT-Ser473 phosphorylation. AKT-Ser473 is a hallmark of AKT pathway activation and may protect cells from apoptosis. This finding also shows that Cdk9 and Cdk7 pathways are not redundant and may have important implications in drug development and for studying the mechanism of chemoresistance in malignant cells.
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Affiliation(s)
- Valentina Caracciolo
- Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, College of Science and Technology, Temple University, Philadelphia, PA, USA
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