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Putnová I, Putnová BM, Hurník P, Štembírek J, Buchtová M, Kolísková P. Primary cilia-associated signalling in squamous cell carcinoma of head and neck region. Front Oncol 2024; 14:1413255. [PMID: 39234399 PMCID: PMC11372790 DOI: 10.3389/fonc.2024.1413255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2024] [Accepted: 07/29/2024] [Indexed: 09/06/2024] Open
Abstract
Squamous cell carcinoma (SCC) of the head and neck originates from the mucosal lining of the upper aerodigestive tract, including the lip, tongue, nasopharynx, oropharynx, larynx and hypopharynx. In this review, we summarise what is currently known about the potential function of primary cilia in the pathogenesis of this disease. As primary cilia represent a key cellular structure for signal transduction and are related to cell proliferation, an understanding of their role in carcinogenesis is necessary for the design of new treatment approaches. Here, we introduce cilia-related signalling in head and neck squamous cell carcinoma (HNSCC) and its possible association with HNSCC tumorigenesis. From this point of view, PDGF, EGF, Wnt and Hh signalling are discussed as all these pathways were found to be dysregulated in HNSCC. Moreover, we review the clinical potential of small molecules affecting primary cilia signalling to target squamous cell carcinoma of the head and neck area.
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Affiliation(s)
- Iveta Putnová
- Laboratory of Molecular Morphogenesis, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Brno, Czechia
- Department of Anatomy, Histology and Embryology, University of Veterinary Sciences Brno, Brno, Czechia
| | - Barbora Moldovan Putnová
- Laboratory of Molecular Morphogenesis, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Brno, Czechia
- Department of Pathological Morphology and Parasitology, University of Veterinary Sciences Brno, Brno, Czechia
| | - Pavel Hurník
- Laboratory of Molecular Morphogenesis, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Brno, Czechia
- Institute of Molecular and Clinical Pathology and Medical Genetics, University Hospital Ostrava, Ostrava, Czechia
- Institute of Molecular and Clinical Pathology and Medical Genetics, Faculty of Medicine, University of Ostrava, Ostrava, Czechia
| | - Jan Štembírek
- Laboratory of Molecular Morphogenesis, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Brno, Czechia
- Department of Maxillofacial Surgery, University Hospital Ostrava, Ostrava, Czechia
| | - Marcela Buchtová
- Laboratory of Molecular Morphogenesis, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Brno, Czechia
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czechia
| | - Petra Kolísková
- Laboratory of Molecular Morphogenesis, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Brno, Czechia
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czechia
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Yang N, Hellevik T, Berzaghi R, Martinez‐Zubiaurre I. Radiation-induced effects on TGF-β and PDGF receptor signaling in cancer-associated fibroblasts. Cancer Rep (Hoboken) 2024; 7:e2018. [PMID: 38488488 PMCID: PMC10941573 DOI: 10.1002/cnr2.2018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 12/11/2023] [Accepted: 12/28/2023] [Indexed: 03/18/2024] Open
Abstract
BACKGROUND Cancer-associated fibroblasts (CAFs) consist of heterogeneous connective tissue cells and are often constituting the most abundant cell type in the tumor stroma. Radiation effects on tumor stromal components like CAFs in the context of radiation treatment is not well-described. AIM This study explores potential changes induced by ionizing radiation (IR) on platelet-derived growth factor (PDGF)/PDGFRs and transforming growth factor-beta (TGF-β)/TGFβRs signaling systems in CAFs. METHODS AND RESULTS Experiments were carried out by employing primary cultures of human CAFs isolated from freshly resected non-small cell lung carcinoma tumor tissues. CAF cultures from nine donors were treated with one high (1 × 18 Gy) or three fractionated (3 × 6 Gy) radiation doses. Alterations in expression levels of TGFβRII and PDGFRα/β induced by IR were analyzed by western blots and flow cytometry. In the presence or absence of cognate ligands, receptor activation was studied in nonirradiated and irradiated CAFs. Radiation exposure did not exert changes in expression of PDGF or TGF-β receptors in CAFs. Additionally, IR alone was unable to trigger activation of either receptor. The radiation regimens tested did not affect PDGFRβ signaling in the presence of PDGF-BB. In contrast, signaling via pSmad2/3 and pSmad1/5/8 appeared to be down-regulated in irradiated CAFs after stimulation with TGF-β, as compared with controls. CONCLUSION Our data demonstrate that IR by itself is insufficient to induce measurable changes in PDGF or TGF-β receptor expression levels or to induce receptor activation in CAFs. However, in the presence of their respective ligands, exposure to radiation at certain doses appear to interfere with TGF-β receptor signaling.
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Affiliation(s)
- Nannan Yang
- Department of Community Medicine, Faculty of Health SciencesUiT The Arctic University of NorwayTromsøNorway
| | - Turid Hellevik
- Department of Radiation OncologyUniversity Hospital of North NorwayTromsøNorway
| | - Rodrigo Berzaghi
- Department of Clinical Medicine, Faculty of Health SciencesUiT The Arctic University of NorwayTromsøNorway
| | - Inigo Martinez‐Zubiaurre
- Department of Clinical Medicine, Faculty of Health SciencesUiT The Arctic University of NorwayTromsøNorway
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Baghaie L, Haxho F, Leroy F, Lewis B, Wawer A, Minhas S, Harless WW, Szewczuk MR. Contemporaneous Perioperative Inflammatory and Angiogenic Cytokine Profiles of Surgical Breast, Colorectal, and Prostate Cancer Patients: Clinical Implications. Cells 2023; 12:2767. [PMID: 38067195 PMCID: PMC10706122 DOI: 10.3390/cells12232767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 11/29/2023] [Accepted: 12/02/2023] [Indexed: 12/18/2023] Open
Abstract
Surgery-induced tumor growth acceleration and synchronous metastatic growth promotion have been observed for decades. Surgery-induced wound healing, orchestrated through growth factors, chemokines, and cytokines, can negatively impact patients harboring residual or metastatic disease. We provide detailed clinical evidence of this process in surgical breast, prostate, and colorectal cancer patients. Plasma samples were analyzed from 68 cancer patients who had not received treatment before surgery or adjuvant therapy until at least four weeks post-surgery. The levels of plasma cytokines, chemokines, and growth factors were simultaneously quantified and profiled using multiplexed immunoassays for eight time points sampled per patient. The immunologic processes are induced immediately after surgery in patients, characterized by a drastic short-term shift in the expression levels of pro-inflammatory and angiogenic molecules and cytokines. A rapid and significant spike in circulating plasma levels of hepatocyte growth factor (HGF), interleukin-6 (IL-6), placental growth factor (PLGF), and matrix metalloproteinase-9 (MMP-9) after surgery was noted. The rise in these molecules was concomitant with a significant drop in transforming growth factor-β1 (TGF-β1), platelet-derived growth factor (PDGF-AB/BB), insulin-like growth factor-1 (IGF-1), and monocyte chemoattractant protein-2 (MCP-2). If not earlier, each plasma analyte was normalized to baseline levels within 1-2 weeks after surgery, suggesting that surgical intervention alone was responsible for these effects. The effects of surgical tumor removal on disrupting the pro-inflammatory and angiogenic plasma profiles of cancer patients provide evidence for potentiating malignant progression. Our findings indicate a narrow therapeutic window of opportunity after surgery to prevent disease recurrence.
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Affiliation(s)
- Leili Baghaie
- Department of Biomedical & Molecular Sciences, Queen’s University, Kingston, ON K7L 3N6, Canada; (L.B.); (F.H.); (F.L.)
| | - Fiona Haxho
- Department of Biomedical & Molecular Sciences, Queen’s University, Kingston, ON K7L 3N6, Canada; (L.B.); (F.H.); (F.L.)
- Dermatology Residency Program, the Cumming School of Medicine, University of Calgary, Calgary, AB T2T 5C7, Canada
| | - Fleur Leroy
- Department of Biomedical & Molecular Sciences, Queen’s University, Kingston, ON K7L 3N6, Canada; (L.B.); (F.H.); (F.L.)
- Faculté de Médecine, Maïeutique et Sciences de la Santé, Université de Strasbourg, F-67000 Strasbourg, France
| | - Beth Lewis
- ENCYT Technologies Inc., Membertou, NS B1S 0H1, Canada; (B.L.); (A.W.); (S.M.)
| | - Alexander Wawer
- ENCYT Technologies Inc., Membertou, NS B1S 0H1, Canada; (B.L.); (A.W.); (S.M.)
| | - Shamano Minhas
- ENCYT Technologies Inc., Membertou, NS B1S 0H1, Canada; (B.L.); (A.W.); (S.M.)
| | - William W. Harless
- ENCYT Technologies Inc., Membertou, NS B1S 0H1, Canada; (B.L.); (A.W.); (S.M.)
| | - Myron R. Szewczuk
- Department of Biomedical & Molecular Sciences, Queen’s University, Kingston, ON K7L 3N6, Canada; (L.B.); (F.H.); (F.L.)
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Liu B, Zheng X, Li J, Yao P, Guo P, Liu W, Zhao G. Atovaquone inhibits colorectal cancer metastasis by regulating PDGFRβ/NF-κB signaling pathway. BMC Cancer 2023; 23:1070. [PMID: 37932661 PMCID: PMC10629062 DOI: 10.1186/s12885-023-11585-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 10/29/2023] [Indexed: 11/08/2023] Open
Abstract
BACKGROUND Colorectal cancer is a common malignant tumour. Invasive growth and distant metastasis are the main characteristics of its malignant biological behaviour, and they are also the primary factors leading to death in colon cancer patients. Atovaquone is an antimalarial drug, and its anticancer effect has recently been demonstrated in several cancer models in vitro and in vivo, but it has not been examined in the treatment of colorectal cancer. METHODS To elucidate the effect of atovaquone on colorectal cancer. We used RNA transcriptome sequencing, RT‒PCR and Western blot experiments to examine the expression of NF-κB (p-P65), EMT-related proteins and related inflammatory factors (IL1B, IL6, CCL20, CCL2, CXCL8, CXCL6, IL6ST, FAS, IL10 and IL1A). The effect of atovaquone on colorectal cancer metastasis was validated using an animal model of lung metastases. We further used transcriptome sequencing, the GCBI bioinformatics database and the STRING database to predict relevant target proteins. Furthermore, pathological sections were collected from relevant cases for immunohistochemical verification. RESULTS This study showed that atovaquone could inhibit colorectal cancer metastasis and invasion in vivo and in vitro, inhibit the expression of E-cadherin protein, and promote the protein expression of N-cadherin, vimentin, ZEB1, Snail and Slug. Atovaquone could inhibit EMT by inhibiting NF-κB (p-P65) and related inflammatory factors. Further bioinformatics analysis and verification showed that PDGFRβ was one of the targets of atovaquone. CONCLUSION In summary, atovaquone can inhibit the expression of NF-κB (p-P65) and related inflammatory factors by inhibiting the protein expression of p-PDGFRβ, thereby inhibiting colorectal cancer metastasis. Atovaquone may be a promising drug for the treatment of colorectal cancer metastasis.
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Affiliation(s)
- Bin Liu
- Department of General Surgery, The Second Affiliated Hospital of Chengdu Medical College, National Nuclear Corporation 416 Hospital, 610051, Chengdu, Sichuan, China
| | - Xin Zheng
- Department of General Surgery, The Second Affiliated Hospital of Chengdu Medical College, National Nuclear Corporation 416 Hospital, 610051, Chengdu, Sichuan, China
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jiajun Li
- Department of General Surgery, The Second Affiliated Hospital of Chengdu Medical College, National Nuclear Corporation 416 Hospital, 610051, Chengdu, Sichuan, China
| | - Peng Yao
- Department of Nephrology, The Second Affiliated Hospital of Chengdu Medical College, National Nuclear Corporation 416 Hospital, 610051, Chengdu, Sichuan, China
| | - Peng Guo
- Chengdu Medical College, 610500, Chengdu, Sichuan, China
| | - Wei Liu
- Department of General Surgery, The Second Affiliated Hospital of Chengdu Medical College, National Nuclear Corporation 416 Hospital, 610051, Chengdu, Sichuan, China
| | - Gaoping Zhao
- Department of Gastrointestinal Surgery, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, 610072, Chengdu, Sichuan, China.
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Sariyar E, Firtina Karagonlar Z. Modelling the Sorafenib-resistant Liver Cancer Microenvironment by Using 3-D Spheroids. Altern Lab Anim 2023; 51:301-312. [PMID: 37555318 DOI: 10.1177/02611929231193421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2023]
Abstract
Liver cancer is the third leading cause of cancer-related mortality, and hepatocellular carcinoma (HCC) is the most common form of liver cancer, and it usually occurs in the setting of chronic liver disease and cirrhosis. For patients with advanced HCC, systemic treatment is the first choice - however, resistance occurs frequently. Sorafenib was the first tyrosine kinase inhibitor approved for advanced HCC, and resistance to the therapy is a serious concern. When sorafenib therapy fails in a patient, it can be challenging to decide whether they can undergo a second-line therapy, and to determine which therapy they will be able to tolerate. Thus, physiologically relevant in vitro preclinical models are crucial for screening potential therapies, and 3-D tumour spheroids permit studies of tumour pathobiology. In this study, a drug-resistant 3-D tumour spheroid model was developed, based on sorafenib-resistant hepatocellular carcinoma cells, LX2 stellate cells and THP-1 monocytes. Model tumour spheroids that were formed with the sorafenib-resistant cells demonstrated lower diffusion of doxorubicin and exhibited increased resistance to regorafenib. Moreover, in the sorafenib-resistant spheroids, there was increased presence of CD68-positive cells and a reduction in inflammatory marker secretion. The sorafenib-resistant cell line-derived spheroids also showed a higher expression of FGF-19, PDGF-AA and GDF-15, which are known to be involved in malignancies. This multi-cell type spheroid model represents a potentially useful system to test drug candidates in a microenvironment that mimics the drug-resistant tumour microenvironment in HCC.
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Affiliation(s)
- Ece Sariyar
- Department of Genetics and Bioengineering, İzmir University of Economics, Izmir, Turkey
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Pandey P, Khan F, Upadhyay TK, Seungjoon M, Park MN, Kim B. New insights about the PDGF/PDGFR signaling pathway as a promising target to develop cancer therapeutic strategies. Biomed Pharmacother 2023; 161:114491. [PMID: 37002577 DOI: 10.1016/j.biopha.2023.114491] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 02/20/2023] [Accepted: 03/07/2023] [Indexed: 03/14/2023] Open
Abstract
Numerous cancers express platelet-derived growth factors (PDGFs) and PDGF receptors (PDGFRs). By directly stimulating tumour cells in an autocrine manner or by stimulating tumour stromal cells in a paracrine manner, the platelet-derived growth factor (PDGF)/platelet-derived growth factor receptor (PDGFR) pathway is crucial in the growth and spread of several cancers. To combat hypoxia in the tumour microenvironment, it encourages angiogenesis. A growing body of experimental data shows that PDGFs target malignant cells, vascular cells, and stromal cells to modulate tumour growth, metastasis, and the tumour microenvironment. To combat medication resistance and enhance patient outcomes in cancers, targeting the PDGF/PDGFR pathway is a viable therapeutic approach. There have been reports of anomalies in the PDGF pathway, including the gain of function point mutations, activating chromosomal translocations, or overexpression or amplification of PDGF receptors (PDGFRs). As a result, it has been shown that targeting the PDGF/PDGFR signaling pathway is an effective method for treating cancer. As a result, this study will concentrate on the regulation of the PDGF/PDGFR signaling system, in particular the current methods and inhibitors used in cancer treatment, as well as the associated therapeutic advantages and side effects.
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Affiliation(s)
- Pratibha Pandey
- Department of Biotechnology, Noida Institute of Engineering and Technology, Greater Noida, UP, India
| | - Fahad Khan
- Department of Biotechnology, Noida Institute of Engineering and Technology, Greater Noida, UP, India.
| | - Tarun Kumar Upadhyay
- Department of Biotechnology, Parul Institute of Applied Sciences and Centre of Research for Development, Parul University, Vadodara 391760, India
| | - Moon Seungjoon
- Chansol Hospital of Korean Medicine, 290, Buheung-ro, Bupyeong-gu, Incheon 21390, Republic of Korea; Department of Pathology, College of Korean Medicine, Kyung Hee University, Hoegidong Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Moon Nyeo Park
- Department of Pathology, College of Korean Medicine, Kyung Hee University, Hoegidong Dongdaemun-gu, Seoul 02447, Republic of Korea; Korean Medicine-Based Drug Repositioning Cancer Research Center, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Bonglee Kim
- Department of Pathology, College of Korean Medicine, Kyung Hee University, Hoegidong Dongdaemun-gu, Seoul 02447, Republic of Korea; Korean Medicine-Based Drug Repositioning Cancer Research Center, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea.
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7
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Li X, Li Z, Huang M, Wang R, Li M, Yang H, Lu X, Cai H, Tian R. Gallium-68-Labeled Z PDGFRβ Affibody: A Potential PET Probe for Platelet-Derived Growth Factor Receptor β-Expressing Carcinomas. Mol Pharm 2023; 20:1357-1364. [PMID: 36692381 DOI: 10.1021/acs.molpharmaceut.2c00957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Platelet-derived growth factor receptor β (PDGFRβ) has been demonstrated to be an effective biomarker for a variety of malignant cancers, and affibody-based PDGFRβ molecules have potential as positron emission tomography (PET) tracers for the diagnosis of cancers. Based on previous pharmacokinetics studies, short-lived positron emission radionuclides, such as fluorine-18 and gallium-68, would be more suitable for affibody-based PET imaging. Thus, in the present study, we prepared a gallium-68-labeled PDGFRβ-targeting dimeric affibody conjugate and evaluated its capability for visualizing malignant tumors by micro-PET/computed tomography (CT) imaging. The PDGFRβ-targeting ZPDGFRβ affibody was conjugated with the p-NCS-Bn-DOTA macrocyclic ligand and radiolabeled with gallium-68 to generate the 68Ga-DOTA-ZPDGFRβ PET probe . Then, several types of malignant carcinoma cells (U-87 MG, LS 174T, A549, H1688, and H446) were used to evaluate the targeted cellular binding capability of the PET probe through in vitro/in vivo cellular assays and whole-body imaging by micro-PET/CT. The 68Ga-DOTA-ZPDGFRβ was successfully prepared with a radiochemical yield of 93% and exhibited ideal stability for up to 4 h at room temperature in vitro. This radioactive conjugate demonstrated specific binding ability with PDGFRβ-expressing U-87 MG cells, which was suppressed by PDGFRβ ligands. The biodistribution of 68Ga-DOTA-ZPDGFRβ indicated fast liver clearance and a kidney-bladder excretion route. The U-87 MG xenografted tumor was clearly visualized with 68Ga-DOTA-ZPDGFRβ at 1 h postinjection using micro-PET/CT imaging. 68Ga-DOTA-ZPDGFRβ is a potential radiopharmaceutical for the diagnosis of PDGFRβ-expressing tumors.
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Affiliation(s)
- Xin Li
- Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Zhao Li
- Laboratory of Clinical Nuclear Medicine, Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Mingxing Huang
- Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Rang Wang
- Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Mufeng Li
- Laboratory of Clinical Nuclear Medicine, Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Hao Yang
- Key Lab of Transplant Engineering and Immunology, Regenerative Medical Research Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Xiaofeng Lu
- Key Lab of Transplant Engineering and Immunology, Regenerative Medical Research Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Huawei Cai
- Laboratory of Clinical Nuclear Medicine, Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Rong Tian
- Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
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Yun J, Heo W, Lee ES, Na D, Kang W, Kang J, Chae J, Lee D, Lee W, Hwang J, Yoo TK, Hong BS, Son HY, Noh DY, Lee C, Moon HG, Kim JI. An integrative approach for exploring the nature of fibroepithelial neoplasms. Br J Cancer 2023; 128:626-637. [PMID: 36522480 PMCID: PMC9938154 DOI: 10.1038/s41416-022-02064-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 11/09/2022] [Accepted: 11/10/2022] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Malignant phyllodes tumour (MPT) is a rare breast malignancy with epithelial and mesenchymal features. Currently, there are no appropriate research models or effective targeted therapeutic approaches for MPT. METHODS We collected fresh frozen tissues from nine patients with MPT and performed whole-exome and RNA sequencing. Additionally, we established patient-derived xenograft (PDX) models from patients with MPT and tested the efficacy of targeting dysregulated pathways in MPT using the PDX model from one MPT. RESULTS MPT has unique molecular characteristics when compared to breast cancers of epithelial origin and can be classified into two groups. The PDX model derived from one patient with MPT showed that the mouse epithelial component increased during tumour growth. Moreover, targeted inhibition of platelet-derived growth factor receptor (PDGFR) and phosphoinositide 3-kinase (PI3K)/mammalian target of rapamycin (mTOR) by imatinib mesylate and PKI-587 showed in vivo tumour suppression effects. CONCLUSIONS This study revealed the molecular profiles of MPT that can lead to molecular classification and potential targeted therapy, and suggested that the MPT PDX model can be a useful tool for studying the pathogenesis of fibroepithelial neoplasms and for preclinical drug screening to find new therapeutic strategies for MPT.
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Affiliation(s)
- Jihui Yun
- Genomic Medicine Institute, Medical Research Center, Seoul National University, Seoul, Republic of Korea
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Woohang Heo
- Interdisciplinary Program on Tumor Biology, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Eun-Shin Lee
- Department of Surgery, Seoul National University Hospital, Seoul, Republic of Korea
| | - Deukchae Na
- Ewha Institute of Convergence Medicine, Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea
| | - Wonyoung Kang
- The Jackson Laboratory for Genomic Medicine, Farmington, Connecticut, USA
- Department of Life Sciences, Ewha Womans University, Seoul, Republic of Korea
| | - Jinjoo Kang
- Department of Life Sciences, Ewha Womans University, Seoul, Republic of Korea
| | - Jeesoo Chae
- Genomic Medicine Institute, Medical Research Center, Seoul National University, Seoul, Republic of Korea
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Dakyung Lee
- Genomic Medicine Institute, Medical Research Center, Seoul National University, Seoul, Republic of Korea
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Woochan Lee
- Genomic Medicine Institute, Medical Research Center, Seoul National University, Seoul, Republic of Korea
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Jinha Hwang
- Genomic Medicine Institute, Medical Research Center, Seoul National University, Seoul, Republic of Korea
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Tae-Kyung Yoo
- Department of Surgery, Seoul National University Hospital, Seoul, Republic of Korea
| | - Bok Sil Hong
- Center for Medical Innovation, Seoul National University Hospital, Seoul, Republic of Korea
| | - Hye-Youn Son
- Center for Medical Innovation, Seoul National University Hospital, Seoul, Republic of Korea
| | - Dong-Young Noh
- Department of Surgery, Seoul National University Hospital, Seoul, Republic of Korea
- Cancer Research Institute, Seoul National University, Seoul, Republic of Korea
- Department of Surgery, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Charles Lee
- The Jackson Laboratory for Genomic Medicine, Farmington, Connecticut, USA
- Department of Life Sciences, Ewha Womans University, Seoul, Republic of Korea
- Precision Medicine Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, People's Republic of China
| | - Hyeong-Gon Moon
- Genomic Medicine Institute, Medical Research Center, Seoul National University, Seoul, Republic of Korea.
- Department of Surgery, Seoul National University Hospital, Seoul, Republic of Korea.
- Cancer Research Institute, Seoul National University, Seoul, Republic of Korea.
- Department of Surgery, Seoul National University College of Medicine, Seoul, Republic of Korea.
| | - Jong-Il Kim
- Genomic Medicine Institute, Medical Research Center, Seoul National University, Seoul, Republic of Korea.
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea.
- Cancer Research Institute, Seoul National University, Seoul, Republic of Korea.
- Department of Biochemistry and Molecular Biology, Seoul National University College of Medicine, Seoul, Republic of Korea.
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Nätkin R, Pennanen P, Syvälä H, Bläuer M, Kesseli J, Tammela TLJ, Nykter M, Murtola TJ. Adaptive and non-adaptive gene expression responses in prostate cancer during androgen deprivation. PLoS One 2023; 18:e0281645. [PMID: 36809527 PMCID: PMC9942993 DOI: 10.1371/journal.pone.0281645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 01/30/2023] [Indexed: 02/23/2023] Open
Abstract
Androgen deprivation therapy is the cornerstone treatment of advanced prostate cancer. Eventually prostate cancer cells overcome androgen deprivation therapy, giving rise to castration resistant prostate cancer (CRPC) characterized by increased androgen receptor (AR) activity. Understanding the cellular mechanisms leading to CRPC is needed for development of novel treatments. We used long-term cell cultures to model CRPC; a testosterone-dependent cell line (VCaP-T) and cell line adapted to grow in low testosterone (VCaP-CT). These were used to uncover persistent and adaptive responses to testosterone level. RNA was sequenced to study AR-regulated genes. Expression level changed due to testosterone depletion in 418 genes in VCaP-T (AR-associated genes). To evaluate significance for CRPC growth, we compared which of them were adaptive i.e., restored expression level in VCaP-CT. Adaptive genes were enriched to steroid metabolism, immune response and lipid metabolism. The Cancer Genome Atlas Prostate Adenocarcinoma data were used to assess the association with cancer aggressiveness and progression-free survival. Expressions of 47 AR-associated or association gaining genes were statistically significant markers for progression-free survival. These included genes related to immune response, adhesion and transport. Taken together, we identified and clinically validated multiple genes being linked with progression of prostate cancer and propose several novel risk genes. Possible use as biomarkers or therapeutic targets should be studied further.
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Affiliation(s)
- Reetta Nätkin
- Faculty of Medicine and Health Technology, Prostate Cancer Research Center, Tampere University and Tays Cancer Center, Tampere, Finland
- * E-mail: (RN); (TJM)
| | - Pasi Pennanen
- Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, Tampere University Hospital, Tampere, Finland
| | - Heimo Syvälä
- Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, Tampere University Hospital, Tampere, Finland
| | - Merja Bläuer
- Tampere University Hospital and Faculty of Medicine and Health Technology, Tampere Pancreas Laboratory and Department of Gastroenterology and Alimentary Tract Surgery, Tampere University, Tampere, Finland
| | - Juha Kesseli
- Faculty of Medicine and Health Technology, Prostate Cancer Research Center, Tampere University and Tays Cancer Center, Tampere, Finland
| | - Teuvo L. J. Tammela
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
- Department of Urology, Tays Cancer Center, Tampere, Finland
| | - Matti Nykter
- Faculty of Medicine and Health Technology, Prostate Cancer Research Center, Tampere University and Tays Cancer Center, Tampere, Finland
| | - Teemu J. Murtola
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
- Department of Urology, Tays Cancer Center, Tampere, Finland
- * E-mail: (RN); (TJM)
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10
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Rączkowska A, Paśnik I, Kukiełka M, Nicoś M, Budzinska MA, Kucharczyk T, Szumiło J, Krawczyk P, Crosetto N, Szczurek E. Deep learning-based tumor microenvironment segmentation is predictive of tumor mutations and patient survival in non-small-cell lung cancer. BMC Cancer 2022; 22:1001. [PMID: 36131239 PMCID: PMC9490924 DOI: 10.1186/s12885-022-10081-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 09/07/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Despite the fact that tumor microenvironment (TME) and gene mutations are the main determinants of progression of the deadliest cancer in the world - lung cancer, their interrelations are not well understood. Digital pathology data provides a unique insight into the spatial composition of the TME. Various spatial metrics and machine learning approaches were proposed for prediction of either patient survival or gene mutations from this data. Still, these approaches are limited in the scope of analyzed features and in their explainability, and as such fail to transfer to clinical practice. METHODS Here, we generated 23,199 image patches from 26 hematoxylin-and-eosin (H&E)-stained lung cancer tissue sections and annotated them into 9 different tissue classes. Using this dataset, we trained a deep neural network ARA-CNN. Next, we applied the trained network to segment 467 lung cancer H&E images from The Cancer Genome Atlas (TCGA) database. We used the segmented images to compute human-interpretable features reflecting the heterogeneous composition of the TME, and successfully utilized them to predict patient survival and cancer gene mutations. RESULTS We achieved per-class AUC ranging from 0.72 to 0.99 for classifying tissue types in lung cancer with ARA-CNN. Machine learning models trained on the proposed human-interpretable features achieved a c-index of 0.723 in the task of survival prediction and AUC up to 73.5% for PDGFRB in the task of mutation classification. CONCLUSIONS We presented a framework that accurately predicted survival and gene mutations in lung adenocarcinoma patients based on human-interpretable features extracted from H&E slides. Our approach can provide important insights for designing novel cancer treatments, by linking the spatial structure of the TME in lung adenocarcinoma to gene mutations and patient survival. It can also expand our understanding of the effects that the TME has on tumor evolutionary processes. Our approach can be generalized to different cancer types to inform precision medicine strategies.
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Affiliation(s)
- Alicja Rączkowska
- Faculty of Mathematics, Informatics and Mechanics, University of Warsaw, Banacha 2, 02-097 Warsaw, Poland
| | - Iwona Paśnik
- Department of Clinical Pathomorphology, Medical University of Lublin, Jaczewskiego 8b, 20-090 Lublin, Poland
| | - Michał Kukiełka
- Faculty of Mathematics, Informatics and Mechanics, University of Warsaw, Banacha 2, 02-097 Warsaw, Poland
| | - Marcin Nicoś
- Department of Pneumology, Oncology and Allergology, Medical University of Lublin, Jaczewskiego 8, 20-090 Lublin, Poland
| | | | - Tomasz Kucharczyk
- Department of Pneumology, Oncology and Allergology, Medical University of Lublin, Jaczewskiego 8, 20-090 Lublin, Poland
| | - Justyna Szumiło
- Department of Clinical Pathomorphology, Medical University of Lublin, Jaczewskiego 8b, 20-090 Lublin, Poland
| | - Paweł Krawczyk
- Department of Pneumology, Oncology and Allergology, Medical University of Lublin, Jaczewskiego 8, 20-090 Lublin, Poland
| | - Nicola Crosetto
- Division of Genome Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Tomtebodavägen 23a, 17165 Solna, Sweden
- Science for Life Laboratory, Tomtebodavägen 23a, 17165 Solna, Sweden
| | - Ewa Szczurek
- Faculty of Mathematics, Informatics and Mechanics, University of Warsaw, Banacha 2, 02-097 Warsaw, Poland
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11
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Aluai-Cunha C, Matos A, Amorim I, Carvalho F, Rêma A, Santos A. Immunohistochemical Expression of Platelet-Derived Growth Factor Receptor β (PDGFR-β) in Canine Cutaneous Peripheral Nerve Sheath Tumors: A Preliminary Study. Vet Sci 2022; 9:vetsci9070345. [PMID: 35878362 PMCID: PMC9319676 DOI: 10.3390/vetsci9070345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 06/30/2022] [Accepted: 07/07/2022] [Indexed: 11/29/2022] Open
Abstract
Simple Summary The peripheral nerve sheath tumors are relatively common neoplasms, belong to the soft tissue sarcomas group, and are poorly investigated in veterinary medicine; the diagnosis is complex, and therapeutic options are limited. The platelet-derived growth factor receptors, namely the β subunit, are an important class of tyrosine kinase receptors that can be activated by genetic alterations and contribute to the process of carcinogenesis, so the inhibition of this receptor is an important therapeutic target. Using the immunohistochemical technique, this study aims to evaluate the expression of this receptor in 19 samples, 10 malignant and 9 benign tumors. The results showed that the majority of benign tumors, about 67% of cases, expressed the receptor in less than 25% of neoplastic cells and, in 80% cases of malignant tumors, the receptor was expressed in more than 25% of neoplastic cells. It was also found that, in the larger tumors, the expression of this receptor was significantly higher. With these findings it seems reasonable to speculate that the drugs able to inhibit this receptor, such as toceranib, may be considered in the therapeutic approach of these tumors. Abstract As in humans, the prevalence of tumors in companion animals is increasing dramatically and there is a strong need for research on new pharmacological agents particularly for the treatment of those tumors that are resistant to conventional chemotherapy agents such as soft tissue sarcomas (STS). Because malignant (MPNST) and benign peripheral nerve sheath tumors (BPNST) are relatively common STS in dogs, the aim of this retrospective study was to evaluate the immunohistochemical (IHC) expression of PDGFR-β, contributing to its characterization as a potential target for their treatment. A total of 19 samples were included, 9 histologically classified as benign and the other 10 as malignant. The results showed diffuse immunoexpression in the cytoplasm of neoplastic cells. Six (66.7%) BPNST expressed the receptor in less than 25% of neoplastic cells and only three (33.3%) exhibited labelling in more than 25% of neoplastic cells. In contrast, all MPNST expressed PDGFR-β, and in 8 (80%) of these samples, the receptor was expressed in more than 25% of neoplastic cells, and only 2 (20%) cases expressed the receptor in less than 25% of neoplastic cells. PDGFR-β expression was significantly higher in MPNST and larger tumors, suggesting that drugs able to inhibit the activity of this tyrosine kinase receptor, such as toceranib, may be considered in the approach of unresectable tumors and/or in the context of adjuvant or neoadjuvant therapies.
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Affiliation(s)
- Catarina Aluai-Cunha
- Department of Veterinary Clinics, Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, R. Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal; (C.A.-C.); (A.M.)
| | - Augusto Matos
- Department of Veterinary Clinics, Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, R. Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal; (C.A.-C.); (A.M.)
- Animal Science and Study Centre (CECA), Food and Agrarian Sciences and Technologies Institute (ICETA), P. Gomes Teixeira, Apartado 55142, 4051-401 Porto, Portugal
| | - Irina Amorim
- Department of Pathology and Molecular Immunology, Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, R. Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal; (I.A.); (F.C.); (A.R.)
- Institute of Molecular Pathology and Immunology (IPATIMUP), University of Porto, R. Júlio Amaral de Carvalho 45, 4200-135 Porto, Portugal
- Institute for Research and Innovation in Health (I3S), University of Porto, R. Alfredo Allen 208, 4200-135 Porto, Portugal
| | - Fátima Carvalho
- Department of Pathology and Molecular Immunology, Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, R. Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal; (I.A.); (F.C.); (A.R.)
| | - Alexandra Rêma
- Department of Pathology and Molecular Immunology, Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, R. Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal; (I.A.); (F.C.); (A.R.)
| | - Andreia Santos
- Department of Veterinary Clinics, Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, R. Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal; (C.A.-C.); (A.M.)
- Animal Science and Study Centre (CECA), Food and Agrarian Sciences and Technologies Institute (ICETA), P. Gomes Teixeira, Apartado 55142, 4051-401 Porto, Portugal
- Correspondence:
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12
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Hu D, Li Z, Zheng B, Lin X, Pan Y, Gong P, Zhuo W, Hu Y, Chen C, Chen L, Zhou J, Wang L. Cancer-associated fibroblasts in breast cancer: Challenges and opportunities. Cancer Commun (Lond) 2022; 42:401-434. [PMID: 35481621 PMCID: PMC9118050 DOI: 10.1002/cac2.12291] [Citation(s) in RCA: 64] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 02/06/2022] [Accepted: 04/07/2022] [Indexed: 12/13/2022] Open
Abstract
The tumor microenvironment is proposed to contribute substantially to the progression of cancers, including breast cancer. Cancer-associated fibroblasts (CAFs) are the most abundant components of the tumor microenvironment. Studies have revealed that CAFs in breast cancer originate from several types of cells and promote breast cancer malignancy by secreting factors, generating exosomes, releasing nutrients, reshaping the extracellular matrix, and suppressing the function of immune cells. CAFs are also becoming therapeutic targets for breast cancer due to their specific distribution in tumors and their unique biomarkers. Agents interrupting the effect of CAFs on surrounding cells have been developed and applied in clinical trials. Here, we reviewed studies examining the heterogeneity of CAFs in breast cancer and expression patterns of CAF markers in different subtypes of breast cancer. We hope that summarizing CAF-related studies from a historical perspective will help to accelerate the development of CAF-targeted therapeutic strategies for breast cancer.
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Affiliation(s)
- Dengdi Hu
- Affiliated Cixi Hospital, Wenzhou Medical University, Ningbo, Zhejiang, 315300, P. R. China
| | - Zhaoqing Li
- Affiliated Sir Run Run Shaw Hospital, Zhejiang University School of Medicine (Key Laboratory of Cancer Prevention and Intervention, Ministry of Education), Hangzhou, Zhejiang, 310016, P. R. China.,Biomedical Research Center and Key Laboratory of Biotherapy of Zhejiang Province, Hangzhou, Zhejiang, 310016, P. R. China
| | - Bin Zheng
- Affiliated Cixi Hospital, Wenzhou Medical University, Ningbo, Zhejiang, 315300, P. R. China
| | - Xixi Lin
- Affiliated Sir Run Run Shaw Hospital, Zhejiang University School of Medicine (Key Laboratory of Cancer Prevention and Intervention, Ministry of Education), Hangzhou, Zhejiang, 310016, P. R. China.,Biomedical Research Center and Key Laboratory of Biotherapy of Zhejiang Province, Hangzhou, Zhejiang, 310016, P. R. China
| | - Yuehong Pan
- Affiliated Cixi Hospital, Wenzhou Medical University, Ningbo, Zhejiang, 315300, P. R. China
| | - Peirong Gong
- Affiliated Cixi Hospital, Wenzhou Medical University, Ningbo, Zhejiang, 315300, P. R. China
| | - Wenying Zhuo
- Affiliated Cixi Hospital, Wenzhou Medical University, Ningbo, Zhejiang, 315300, P. R. China.,Affiliated Sir Run Run Shaw Hospital, Zhejiang University School of Medicine (Key Laboratory of Cancer Prevention and Intervention, Ministry of Education), Hangzhou, Zhejiang, 310016, P. R. China.,Biomedical Research Center and Key Laboratory of Biotherapy of Zhejiang Province, Hangzhou, Zhejiang, 310016, P. R. China
| | - Yujie Hu
- Affiliated Cixi Hospital, Wenzhou Medical University, Ningbo, Zhejiang, 315300, P. R. China
| | - Cong Chen
- Affiliated Sir Run Run Shaw Hospital, Zhejiang University School of Medicine (Key Laboratory of Cancer Prevention and Intervention, Ministry of Education), Hangzhou, Zhejiang, 310016, P. R. China.,Biomedical Research Center and Key Laboratory of Biotherapy of Zhejiang Province, Hangzhou, Zhejiang, 310016, P. R. China
| | - Lini Chen
- Affiliated Sir Run Run Shaw Hospital, Zhejiang University School of Medicine (Key Laboratory of Cancer Prevention and Intervention, Ministry of Education), Hangzhou, Zhejiang, 310016, P. R. China.,Biomedical Research Center and Key Laboratory of Biotherapy of Zhejiang Province, Hangzhou, Zhejiang, 310016, P. R. China
| | - Jichun Zhou
- Affiliated Sir Run Run Shaw Hospital, Zhejiang University School of Medicine (Key Laboratory of Cancer Prevention and Intervention, Ministry of Education), Hangzhou, Zhejiang, 310016, P. R. China.,Biomedical Research Center and Key Laboratory of Biotherapy of Zhejiang Province, Hangzhou, Zhejiang, 310016, P. R. China
| | - Linbo Wang
- Affiliated Sir Run Run Shaw Hospital, Zhejiang University School of Medicine (Key Laboratory of Cancer Prevention and Intervention, Ministry of Education), Hangzhou, Zhejiang, 310016, P. R. China.,Biomedical Research Center and Key Laboratory of Biotherapy of Zhejiang Province, Hangzhou, Zhejiang, 310016, P. R. China
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13
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Klose K, Packeiser EM, Granados-Soler JL, Hewicker-Trautwein M, Murua Escobar H, Nolte I. Evaluation of the therapeutic potential of masitinib and expression of its specific targets c-Kit, PDGFR-α, PDGFR-β, and Lyn in canine prostate cancer cell lines. Vet Comp Oncol 2022; 20:641-652. [PMID: 35384248 DOI: 10.1111/vco.12817] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 03/31/2022] [Accepted: 04/01/2022] [Indexed: 11/28/2022]
Abstract
Canine prostate cancer is classified into adenocarcinoma, transitional cell carcinoma with prostatic involvement, and mixed forms. Early metastatic spread leads to poor prognosis and limited treatment options. Masitinib is approved for the treatment of canine mast cell tumours and inhibits tyrosine kinase c-Kit, tyrosine-protein kinase Lyn (Lyn), and platelet-derived growth factor receptors alpha and beta (PDGFR-α, PDGFR-β), which are known to be expressed in canine prostate cancer. The aim of this study was to evaluate masitinib in an in vitro model consisting of cell lines from primary prostate adenocarcinoma, the associated lymph node metastasis of the same patient, and transitional cell carcinoma. To assess the suitability of the model system, the targets of masitinib were investigated by immunocytochemistry in the cell lines and by immunohistochemistry in the respective formalin-fixed, paraffin-embedded (FFPE) original neoplastic tissue. After exposure to masitinib, cell viability, cell count, apoptosis induction, and protein expression of c-Kit, Lyn, PDGFR-α, and PDGFR-β were assessed. To hedge the efficacy, two application protocols of masitinib (single application or 12-h double-dose regimen) were compared. Immunocytochemical and immunohistochemical analysis revealed increased Lyn, PDGFR-α, and PDGFR-β expression in cell lines and FFPE original neoplastic tissue compared to healthy prostate tissue. Masitinib exposure increased apoptosis, while the cell counts and cell viability decreased in a dose- and application interval-dependent manner, with increased impact in the 12-h double-dose regimen. These in vitro effects of masitinib in canine prostate cancer and associated metastasis support further in vivo research and modifications of the clinical treatment protocol in future studies.
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Affiliation(s)
- Katharina Klose
- Small Animal Clinic, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Eva-Maria Packeiser
- Small Animal Clinic, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | | | | | - Hugo Murua Escobar
- Division of Medicine Clinic III, Hematology, Oncology and Palliative Medicine, University of Rostock, Rostock, Germany
| | - Ingo Nolte
- Small Animal Clinic, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
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14
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Synthesis and biological activity evaluation of novel 2,6,9-trisubstituted purine conjugates as potential protein kinases inhibitors. Bioorg Med Chem Lett 2022; 60:128603. [DOI: 10.1016/j.bmcl.2022.128603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 01/28/2022] [Accepted: 01/29/2022] [Indexed: 11/24/2022]
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15
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Picca A, Guyon D, Santonocito OS, Baldini C, Idbaih A, Carpentier A, Naccarato AG, Caccese M, Lombardi G, Di Stefano AL. Innovating Strategies and Tailored Approaches in Neuro-Oncology. Cancers (Basel) 2022; 14:1124. [PMID: 35267432 PMCID: PMC8909701 DOI: 10.3390/cancers14051124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/11/2022] [Accepted: 02/18/2022] [Indexed: 01/25/2023] Open
Abstract
Diffuse gliomas, the most frequent and aggressive primary central nervous system neoplasms, currently lack effective curative treatments, particularly for cases lacking the favorable prognostic marker IDH mutation. Nonetheless, advances in molecular biology allowed to identify several druggable alterations in a subset of IDH wild-type gliomas, such as NTRK and FGFR-TACC fusions, and BRAF hotspot mutations. Multi-tyrosine kinase inhibitors, such as regorafenib, also showed efficacy in the setting of recurrent glioblastoma. IDH inhibitors are currently in the advanced phase of clinical evaluation for patients with IDH-mutant gliomas. Several immunotherapeutic approaches, such as tumor vaccines or checkpoint inhibitors, failed to improve patients' outcomes. Even so, they may be still beneficial in a subset of them. New methods, such as using pulsed ultrasound to disrupt the blood-brain barrier, gene therapy, and oncolytic virotherapy, are well tolerated and may be included in the therapeutic armamentarium soon.
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Affiliation(s)
- Alberto Picca
- Institut du Cerveau-Paris Brain Institute-ICM, Sorbonne Université, Inserm, CNRS, AP-HP, Hôpital Universitaire La Pitié Salpêtrière, DMU Neurosciences, 75013 Paris, France; (A.P.); (A.I.)
| | - David Guyon
- Department of Medical Oncology, Gustave Roussy University Hospital, 94800 Villejuif, France;
| | - Orazio Santo Santonocito
- Division of Neurosurgery, Spedali Riuniti di Livorno—USL Toscana Nord-Ovest, 57124 Livorno, Italy;
| | - Capucine Baldini
- Drug Development Department (DITEP), Gustave Roussy University Hospital, 94800 Villejuif, France;
| | - Ahmed Idbaih
- Institut du Cerveau-Paris Brain Institute-ICM, Sorbonne Université, Inserm, CNRS, AP-HP, Hôpital Universitaire La Pitié Salpêtrière, DMU Neurosciences, 75013 Paris, France; (A.P.); (A.I.)
| | - Alexandre Carpentier
- Service de Neurochirurgie, Hôpital Universitaire La Pitié Salpêtrière, 75013 Paris, France;
| | - Antonio Giuseppe Naccarato
- Department of Translational Research and New Technologies in Medicine and Surgery, Division of Pathology, University of Pisa, 56100 Pisa, Italy;
- Anatomia Patologica 1, Department of Laboratory Medicine, Pisa University Hospital, 56126 Pisa, Italy
| | - Mario Caccese
- Department of Oncology, Oncology 1, Veneto Institute of Oncology IOV-IRCCS, 35128 Padua, Italy; (M.C.); (G.L.)
| | - Giuseppe Lombardi
- Department of Oncology, Oncology 1, Veneto Institute of Oncology IOV-IRCCS, 35128 Padua, Italy; (M.C.); (G.L.)
| | - Anna Luisa Di Stefano
- Division of Neurosurgery, Spedali Riuniti di Livorno—USL Toscana Nord-Ovest, 57124 Livorno, Italy;
- Department of Neurology, Foch Hospital, 92150 Suresnes, France
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16
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Guo JQ, Wang CD, Tang HY, Sang BT, Liu X, Yi FP, Wu XM. PDGF-BB/PDGFRβ Promotes Epithelial-Mesenchymal Transition by Affecting PI3K/AKT/mTOR-Driven Aerobic Glycolysis in Wilms' tumor G401 Cells. Cell Biol Int 2022; 46:907-921. [PMID: 35165984 DOI: 10.1002/cbin.11780] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 01/12/2022] [Accepted: 02/06/2022] [Indexed: 11/09/2022]
Abstract
Wilms' tumor (WT) is the most common pediatric renal malignancy. PDGFRβ belongs to the type III receptor tyrosine kinase family and is known to be involved in tumor metastasis and angiogenesis. Here, we studied the effect and underlying mechanism of PDGFRβ on Wilms' tumor G401 cells. Transwell assay and wound-healing assay were used to detect the effect of PDGFRβ on G401 cells invasion and migration. Western blot and immunofluorescence were used to detect the expression of EMT-related genes. The expression of PI3K/AKT/mTOR pathway proteins was detected by western blot. The relationship between PDGFRβ and aerobic glycolysis was studied by assessing the expression of glycolysis-related enzymes detected by qRT-PCR and western blot. The activity of HK, PK and LDH was detected by corresponding enzyme activity kits. The concentration of lactic acid and glucose was detected by Lactic Acid Assay Kit and Glucose Assay Kit-glucose oxidase method separately. To investigate the mechanism of PDGFRβ in the development of Wilms' tumor, the changes of glucose and lactic acid were analyzed after blocking PI3K pathway, aerobic glycolysis or PDGFRβ. The key enzyme was screened by western blot and glucose metabolism experiment after HK2, PKM2 and PDK1 were inhibited. The results showed that PDGFRβ promoted the EMT process by modulating aerobic glycolysis through PI3K/AKT/mTOR pathway in which PKM2 plays a key role. Therefore, our study of the mechanism of PDGFRβ in G401 cells provides a new target for the treatment of Wilms' tumor. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Jia-Qi Guo
- Department of Physiology, Basic Medical College, Chongqing Medical University, Chongqing, 400016, China.,Molecular Medicine and Cancer Research Center, Basic Medical College, Chongqing Medical University, Chongqing, 400016, China
| | - Chang-Dong Wang
- Molecular Medicine and Cancer Research Center, Basic Medical College, Chongqing Medical University, Chongqing, 400016, China.,Department of Biochemistry and Molecular Biology, Basic Medical College, Chongqing Medical University, Chongqing, 400016, China
| | - Hu-Ying Tang
- Department of Physiology, Basic Medical College, Chongqing Medical University, Chongqing, 400016, China.,Molecular Medicine and Cancer Research Center, Basic Medical College, Chongqing Medical University, Chongqing, 400016, China
| | - Bo-Tao Sang
- Department of Physiology, Basic Medical College, Chongqing Medical University, Chongqing, 400016, China.,Molecular Medicine and Cancer Research Center, Basic Medical College, Chongqing Medical University, Chongqing, 400016, China
| | - Xing Liu
- Department of Pediatric Urology, Chongqing Children's Hospital, Chongqing Medical University, Chongqing, 400016, China
| | - Fa-Ping Yi
- Molecular Medicine and Cancer Research Center, Basic Medical College, Chongqing Medical University, Chongqing, 400016, China.,Department of Biochemistry and Molecular Biology, Basic Medical College, Chongqing Medical University, Chongqing, 400016, China
| | - Xiang-Mei Wu
- Department of Physiology, Basic Medical College, Chongqing Medical University, Chongqing, 400016, China.,Molecular Medicine and Cancer Research Center, Basic Medical College, Chongqing Medical University, Chongqing, 400016, China
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17
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Kalayci Yigin A, Azzawri A, Ozturk K, Cora T, Seven M. Determination of cytokine profile and associated genes of the signaling pathway in HNSCC. J Recept Signal Transduct Res 2021; 42:462-468. [PMID: 34886759 DOI: 10.1080/10799893.2021.2013888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Head and neck squamose cell carcinoma (HNSCC) is an aggressive group of tumors that are generally heterogeneous. Despite treatment advances, disease-free survival has not significantly improved. Therefore, it is of great importance to understand the molecular etiology of HNSCC and genetic alterations in the signal pathways in order to develop new therapeutic approaches. In this study, firstly we used a cytokine array to analyze the secretomes of HNSCC patients and healthy controls. In the next step, the results from the cytokine sequence were validated by qRT-PCR and western blot, including genes in the associated signaling pathway. In array analysis, the levels of EGF, IGF-1, IGFBP-1, and PDGFBB were significantly higher in patients than in the controls. The results of qRT-PCR analyses showed that expression levels of PDGFRB gene were significantly up-regulated (p = 0.006) and PTEN (p > 0.001) were significantly down-regulated in tumors compared with normal tissues. When groups (early vs. advanced) were compared, higher expression of IGFBP-1 was observed in the larynx (p = 0.045) and larynx + oral cavity tumors (p = 0.010) in an advanced stage. In western blot analysis, pEGFR, pIGF-IR, pIR-β, pPDGFRB, and pAKT levels were upregulated, and pPTEN was downregulated in tumors. Based on our observations, determining the interactions of EGFR, PDGFRB, IGF-1R and PTEN or the activation of each might represent a promising new and innovative treatment approach in HNSCC patients. It seems clear that, in most cancers, effective targeted therapy may be involved the blockade of each one or multiple targets.
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Affiliation(s)
- Aysel Kalayci Yigin
- Department of Medical Genetics, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Ali Azzawri
- Department of Medical Genetics, Selcuk University, Konya, Turkey
| | - Kayhan Ozturk
- Department of Otorhinolaryngology, Karatay University, Konya, Turkey
| | - Tulin Cora
- Department of Medical Genetics, Selcuk University, Konya, Turkey
| | - Mehmet Seven
- Department of Medical Genetics, Istanbul University-Cerrahpasa, Istanbul, Turkey
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18
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Organ Specificity and Heterogeneity of Cancer-Associated Fibroblasts in Colorectal Cancer. Int J Mol Sci 2021; 22:ijms222010973. [PMID: 34681633 PMCID: PMC8540283 DOI: 10.3390/ijms222010973] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/07/2021] [Accepted: 10/07/2021] [Indexed: 01/11/2023] Open
Abstract
Fibroblasts constitute a ubiquitous mesenchymal cell type and produce the extracellular matrix (ECM) of connective tissue, thereby providing the structural basis of various organs. Fibroblasts display differential transcriptional patterns unique to the organ of their origin and they can be activated by common stimuli such as transforming growth factor-β (TGF-β) and platelet-derived growth factor (PDGF) signaling. Cancer-associated fibroblasts (CAFs) reside in the cancer tissue and contribute to cancer progression by influencing cancer cell growth, invasion, angiogenesis and tumor immunity. CAFs impact on the tumor microenvironment by remodeling the ECM and secreting soluble factors such as chemokines and growth factors. Differential expression patterns of molecular markers suggest heterogeneous features of CAFs in terms of their function, pathogenic role and cellular origin. Recent studies elucidated the bimodal action of CAFs on cancer progression and suggest a subgroup of CAFs with tumor-suppressive effects. This review attempts to describe cellular features of colorectal CAFs with an emphasis on their heterogeneity and functional diversity.
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19
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Ollila H, Paajanen J, Wolff H, Ilonen I, Sutinen E, Välimäki K, Östman A, Anttila S, Kettunen E, Räsänen J, Kallioniemi O, Myllärniemi M, Mäyränpää MI, Pellinen T. High tumor cell platelet-derived growth factor receptor beta expression is associated with shorter survival in malignant pleural epithelioid mesothelioma. J Pathol Clin Res 2021; 7:482-494. [PMID: 33955203 PMCID: PMC8363931 DOI: 10.1002/cjp2.218] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 03/10/2021] [Accepted: 04/01/2021] [Indexed: 11/11/2022]
Abstract
Malignant pleural mesothelioma (MPM) has a rich stromal component containing mesenchymal fibroblasts. However, the properties and interplay of MPM tumor cells and their surrounding stromal fibroblasts are poorly characterized. Our objective was to spatially profile known mesenchymal markers in both tumor cells and associated fibroblasts and correlate their expression with patient survival. The primary study cohort consisted of 74 MPM patients, including 16 patients who survived at least 60 months. We analyzed location-specific tissue expression of seven fibroblast markers in clinical samples using multiplexed fluorescence immunohistochemistry (mfIHC) and digital image analysis. Effect on survival was assessed using Cox regression analyses. The outcome measurement was all-cause mortality. Univariate analysis revealed that high expression of secreted protein acidic and cysteine rich (SPARC) and fibroblast activation protein in stromal cells was associated with shorter survival. Importantly, high expression of platelet-derived growth factor receptor beta (PDGFRB) in tumor cells, but not in stromal cells, was associated with shorter survival (hazard ratio [HR] = 1.02, p < 0.001). A multivariable survival analysis adjusted for clinical parameters and stromal mfIHC markers revealed that tumor cell PDGFRB and stromal SPARC remained independently associated with survival (HR = 1.01, 95% confidence interval [CI] = 1.00-1.03 and HR = 1.05, 95% CI = 1.00-1.11, respectively). The prognostic effect of PDGFRB was validated with an artificial intelligence-based analysis method and further externally validated in another cohort of 117 MPM patients. In external validation, high tumor cell PDGFRB expression associated with shorter survival, especially in the epithelioid subtype. Our findings suggest PDGFRB and SPARC as potential markers for risk stratification and as targets for therapy.
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Affiliation(s)
- Hely Ollila
- Institute for Molecular Medicine Finland (FIMM), Helsinki Institute of Life Science (HiLIFE)University of HelsinkiHelsinkiFinland
- Individualized Drug Therapy Research Program, Faculty of MedicineUniversity of HelsinkiHelsinkiFinland
- Department of Pulmonary MedicineHeart and Lung Center, University of Helsinki and Helsinki University HospitalHelsinkiFinland
| | - Juuso Paajanen
- Individualized Drug Therapy Research Program, Faculty of MedicineUniversity of HelsinkiHelsinkiFinland
- Department of Pulmonary MedicineHeart and Lung Center, University of Helsinki and Helsinki University HospitalHelsinkiFinland
| | - Henrik Wolff
- Laboratory of PathologyFinnish Institute of Occupational HealthHelsinkiFinland
- Department of PathologyUniversity of Helsinki and Helsinki University HospitalHelsinkiFinland
| | - Ilkka Ilonen
- Individualized Drug Therapy Research Program, Faculty of MedicineUniversity of HelsinkiHelsinkiFinland
- Department of General Thoracic and Esophageal SurgeryHeart and Lung Center, University of Helsinki and Helsinki University HospitalHelsinkiFinland
| | - Eva Sutinen
- Individualized Drug Therapy Research Program, Faculty of MedicineUniversity of HelsinkiHelsinkiFinland
- Department of Pulmonary MedicineHeart and Lung Center, University of Helsinki and Helsinki University HospitalHelsinkiFinland
| | - Katja Välimäki
- Institute for Molecular Medicine Finland (FIMM), Helsinki Institute of Life Science (HiLIFE)University of HelsinkiHelsinkiFinland
| | - Arne Östman
- Department of Oncology‐PathologyKarolinska InstitutetSolnaSweden
| | - Sisko Anttila
- Department of PathologyUniversity of Helsinki and Helsinki University HospitalHelsinkiFinland
| | - Eeva Kettunen
- Laboratory of PathologyFinnish Institute of Occupational HealthHelsinkiFinland
| | - Jari Räsänen
- Department of General Thoracic and Esophageal SurgeryHeart and Lung Center, University of Helsinki and Helsinki University HospitalHelsinkiFinland
| | - Olli Kallioniemi
- Institute for Molecular Medicine Finland (FIMM), Helsinki Institute of Life Science (HiLIFE)University of HelsinkiHelsinkiFinland
| | - Marjukka Myllärniemi
- Individualized Drug Therapy Research Program, Faculty of MedicineUniversity of HelsinkiHelsinkiFinland
- Department of Pulmonary MedicineHeart and Lung Center, University of Helsinki and Helsinki University HospitalHelsinkiFinland
| | - Mikko I Mäyränpää
- Department of PathologyUniversity of Helsinki and Helsinki University HospitalHelsinkiFinland
| | - Teijo Pellinen
- Institute for Molecular Medicine Finland (FIMM), Helsinki Institute of Life Science (HiLIFE)University of HelsinkiHelsinkiFinland
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20
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Comprehensive molecular profiling of pulmonary pleomorphic carcinoma. NPJ Precis Oncol 2021; 5:57. [PMID: 34158601 PMCID: PMC8219709 DOI: 10.1038/s41698-021-00201-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 06/03/2021] [Indexed: 12/26/2022] Open
Abstract
Information regarding the molecular features of pulmonary pleomorphic carcinoma (PPC) is insufficient. Here, we performed next-generation sequencing to determine the genomic and transcriptomic profiles of PPC. We sequenced the DNAs and RNAs of 78 specimens from 52 patients with PPC. We analyzed 15 PPC cases to identify intratumoral differences in gene alterations, tumor mutation burden (TMB), RNA expression, and PD-L1 expression between epithelial and sarcomatoid components. The genomic alterations of six cases of primary tumors and corresponding metastatic tumors were analyzed. KRAS mutations (27%) were the most common driver mutations, followed by EGFR (8%), and MET (8%) mutations. Epithelial and sarcomatoid components shared activating driver mutations, and there were no significant differences in CD274 expression or TMB between the two components. However, PD-L1 was highly expressed in the sarcomatoid component of several cases compared with the epithelial component. Primary and metastatic tumors shared oncogenic mutations among genes such as KRAS and TP53, and additional alterations including NOTCH4 mutations were specifically identified in the metastatic regions. Our data suggest that therapies targeting activating driver mutations may be effective for patients with PPC and that immune checkpoint inhibitors of PPC may be recommended after careful assessment of PD-L1 expression in each epithelial and sarcomatoid component.
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21
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Monika P, Waiker PV, Chandraprabha MN, Rangarajan A, Murthy KNC. Myofibroblast progeny in wound biology and wound healing studies. Wound Repair Regen 2021; 29:531-547. [PMID: 34009713 DOI: 10.1111/wrr.12937] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 04/15/2021] [Accepted: 05/07/2021] [Indexed: 12/19/2022]
Abstract
Fibroblasts and myofibroblasts play a myriad of important roles in human tissue function, especially in wound repair and healing. Among all cells, fibroblasts are group of cells that decide the status of wound as they maintain tissue homeostasis. Currently, the increase in the deleterious effects of chronic wound and their morbidity rate has necessitated the need to understand the influence of fibroblasts and myofibroblasts, which chiefly originate locally from tissue-resident fibroblasts to address the same. Wound pathophysiology is complex, herein, we have discussed fibroblast and myofibroblast heterogeneity in skin and different organs by understanding the phenotypical and functional properties of each of its sub-populations in the process of wound healing. Recent advancements in fibroblast activation, differentiation to myofibroblasts, proliferation and migration are discussed in detail. Fibroblasts and myofibroblasts are key players in wound healing and wound remodelling, respectively, and their significance in wound repair is discussed. An increased understanding of their biology during wound healing also gives an opportunity to explore more of fibroblast and myofibroblast focused therapies to treat chronic wounds which are clinical challenges. In this regard, in the current review, we have described the different methods for isolation of primary fibroblasts and myofibroblasts from both animal models and humans, and their characterization. Additionally, we have also provided details on possible molecular targets for better understanding of prognosis, diagnosis and treatment of chronic wounds. Information will help both researchers and clinicians in providing molecular insight that enable them for effective chronic wound management. The knowledge of intimate dialogue between the fibroblast, sub-populations like, myofibroblast and their microenvironment, will serve useful in determining novel, efficient and specific therapeutic targets to treat pathological wound conditions.
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Affiliation(s)
- Prakash Monika
- Department of Biotechnology, M. S. Ramaiah Institute of Technology, Bangalore, India
| | | | | | - Annapoorni Rangarajan
- Department of Molecular Reproduction, Development and Genetics, Indian Institute of Science, Bangalore, India
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22
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Zacchi P, Belmonte B, Mangogna A, Morello G, Scola L, Martorana A, Borelli V. The Ferroxidase Hephaestin in Lung Cancer: Pathological Significance and Prognostic Value. Front Oncol 2021; 11:638856. [PMID: 34094919 PMCID: PMC8170403 DOI: 10.3389/fonc.2021.638856] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 04/26/2021] [Indexed: 12/30/2022] Open
Abstract
Hephaestin (HEPH) belongs to a group of exocytoplasmic ferroxidases which contribute to cellular iron homeostasis by favouring its export. Down-regulation of HEPH expression, possibly by stimulating cell proliferation due to an increase in iron availability, has shown to correlate with poor survival in breast cancer. The lung is particularly sensitive to iron-induced oxidative stress, given the high oxygen tension present, however, HEPH distribution in lung cancer and its influence on prognosis have not been investigated yet. In this study we explored the prognostic value of HEPH and its expression pattern in the most prevalent histotypes of lung cancers, namely lung adenocarcinoma and lung squamous cell carcinoma. In silico analyses, based on UALCAN, Gene Expression Profiling Interactive Analysis (GEPIA) and Kaplan–Meier plotter bioinformatics, revealed a significant correlation between higher levels of HEPH expression and favorable prognosis, in both cancer histotypes. Moreover, TIMER web platform showed a statistically significant association between HEPH expression and cell elements belonging to the tumor microenvironment identified as endothelial cells and a subpopulation of cancer-associated fibroblasts, further confirmed by double immunohistochemical labeling with cell type specific markers. Taken together, these data shed a light on the complex mechanisms of local iron handling lung cancer can exploit to support tumorigenesis.
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Affiliation(s)
- Paola Zacchi
- Department of Life Sciences, University of Trieste, Trieste, Italy
| | - Beatrice Belmonte
- Tumor Immunology Unit, Department of Health Sciences, University of Palermo, Palermo, Italy
| | - Alessandro Mangogna
- Institute for Maternal and Child Health, IRCCS Burlo Garofolo, Trieste, Italy
| | - Gaia Morello
- Tumor Immunology Unit, Department of Health Sciences, University of Palermo, Palermo, Italy
| | - Letizia Scola
- Clinical Pathology, Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), University of Palermo, Palermo, Italy
| | - Anna Martorana
- Tumor Immunology Unit, Department of Health Sciences, University of Palermo, Palermo, Italy
| | - Violetta Borelli
- Department of Life Sciences, University of Trieste, Trieste, Italy
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23
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Hu G, Huang L, Zhong K, Meng L, Xu F, Wang S, Zhang T. PDGFR-β + fibroblasts deteriorate survival in human solid tumors: a meta-analysis. Aging (Albany NY) 2021; 13:13693-13707. [PMID: 33946048 PMCID: PMC8202854 DOI: 10.18632/aging.202952] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 04/02/2021] [Indexed: 12/24/2022]
Abstract
Fibroblasts are a highly heterogeneous population in tumor microenvironment. PDGFR-β+ fibroblasts, a subpopulation of activated fibroblasts, have proven to correlate with cancer progression through multiple of mechanisms including inducing angiogenesis and immune evasion. However, the prognostic role of these cells in solid tumors is still not conclusive. Herein, we carried out a meta-analysis including 24 published studies with 6752 patients searched from PubMed, Embase and EBSCO to better comprehend the value of such subpopulation in prognosis prediction for solid tumors. We noted that elevated density of intratumoral PDGFR-β+ fibroblasts was remarkably associated with worse overall survival (OS) and disease-free survival (DFS) of patients. In subgroup analyses, the data showed that PDGFR-β+ fibroblast infiltration considerably decreased OS in non-small cell lung cancer (NSCLC), breast and pancreatic cancer, and reduced DFS in breast cancer. In addition, increased number of PDGFR-β+ fibroblasts appreciably correlated with advanced TNM stage of patients. In conclusion, PDGFR-β+ fibroblast infiltration deteriorates survival in human solid tumors especially in NSCLC, breast and pancreatic cancer. Hence, they may offer a practicable prognostic biomarker and a potential therapeutic strategy for these patients.
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Affiliation(s)
- Guoming Hu
- Department of General Surgery (Breast and Thyroid Surgery), Shaoxing People's Hospital, Shaoxing Hospital, Zhejiang University School of Medicine, Zhejiang 312000, China
| | - Liming Huang
- Department of General Surgery (Breast and Thyroid Surgery), Shaoxing People's Hospital, Shaoxing Hospital, Zhejiang University School of Medicine, Zhejiang 312000, China
| | - Kefang Zhong
- Department of General Surgery (Breast and Thyroid Surgery), Shaoxing People's Hospital, Shaoxing Hospital, Zhejiang University School of Medicine, Zhejiang 312000, China
| | - Liwei Meng
- Department of General Surgery (Breast and Thyroid Surgery), Shaoxing People's Hospital, Shaoxing Hospital, Zhejiang University School of Medicine, Zhejiang 312000, China
| | - Feng Xu
- Department of General Surgery (Breast and Thyroid Surgery), Shaoxing People's Hospital, Shaoxing Hospital, Zhejiang University School of Medicine, Zhejiang 312000, China
| | - Shimin Wang
- Department of Nephrology, Shaoxing People's Hospital; Shaoxing Hospital, Zhejiang University School of Medicine, Zhejiang 312000, China
| | - Tao Zhang
- Department of General Surgery III, Affiliated Hospital of Shaoxing University, Zhejiang 312000, China
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24
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Tumor Microenvironment in Metastatic Colorectal Cancer: The Arbitrator in Patients' Outcome. Cancers (Basel) 2021; 13:cancers13051130. [PMID: 33800796 PMCID: PMC7961499 DOI: 10.3390/cancers13051130] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 02/25/2021] [Accepted: 03/02/2021] [Indexed: 02/06/2023] Open
Abstract
Simple Summary Colorectal cancer accounts for approximately 10% of all annually diagnosed cancers worldwide being liver metastasis, the most common cause of death in patients with colorectal cancer. The interplay between tumor and stromal cells in the primary tumor microenvironment and at distant metastases are rising in importance as potential mechanisms of the tumor progression. In this review we discuss the new biomarkers derived from tumor microenvironment and liquid biopsy as emerging prognostic and treatments response markers for metastatic colorectal cancer. We also review the developing new clinical strategies based on tumor microenvironmental cells to tackle metastatic disease in metastatic colorectal cancer patients. Abstract Colorectal cancer (CRC) is one of the most common cancers in western countries. Its mortality rate varies greatly, depending on the stage of the disease. The main cause of CRC mortality is metastasis, which most commonly affects the liver. The role of tumor microenvironment in tumor initiation, progression and metastasis development has been widely studied. In this review we summarize the role of the tumor microenvironment in the liver pre-metastatic niche formation, paying attention to the distant cellular crosstalk mediated by exosomes. Moreover, and based on the prognostic and predictive capacity of alterations in the stromal compartment of tumors, we describe the role of tumor microenvironment cells and related liquid biopsy biomarkers in the delivery of precise medication for metastatic CRC. Finally, we evaluate the different clinical strategies to prevent and treat liver metastatic disease, based on the targeting of the tumor microenvironment. Specifically, targeting angiogenesis pathways and regulating immune response are two important research pipelines that are being widely developed and promise great benefits.
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25
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Strell C, Stenmark Tullberg A, Jetne Edelmann R, Akslen LA, Malmström P, Fernö M, Holmberg E, Östman A, Karlsson P. Prognostic and predictive impact of stroma cells defined by PDGFRb expression in early breast cancer: results from the randomized SweBCG91RT trial. Breast Cancer Res Treat 2021; 187:45-55. [PMID: 33661437 PMCID: PMC8062362 DOI: 10.1007/s10549-021-06136-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 02/05/2021] [Indexed: 11/26/2022]
Abstract
Purpose Predictive biomarkers are needed to aid the individualization of radiotherapy (RT) in breast cancer. Cancer-associated fibroblasts have been implicated in tumor radioresistance and can be identified by platelet-derived growth factor receptor-beta (PDGFRb). This study aims to analyze how PDGFRb expression affects RT benefit in a large randomized RT trial. Methods PDGFRb was assessed by immunohistochemistry on tissue microarrays from 989 tumors of the SweBCG91RT trial, which enrolled lymph node-negative, stage I/IIA breast cancer patients randomized to RT after breast-conserving surgery. Outcomes were analyzed at 10 years for ipsilateral breast tumor recurrence (IBTR) and any recurrence and 15 years for breast cancer specific death (BCSD). Results PDGFRb expression correlated with estrogen receptor negativity and younger age. An increased risk for any recurrence was noted in univariable analysis for the medium (HR 1.58, CI 95% 1.11–2.23, p = 0.011) or PDGFRb high group (1.49, 1.06–2.10, p = 0.021) compared to the low group. No differences in IBTR or BCSD risk were detected. RT benefit regarding IBTR risk was significant in the PDGFRb low (0.29, 0.12–0.67, p = 0.004) and medium (0.31, 0.16–0.59, p < 0.001) groups but not the PDGFRb high group (0.64, 0.36–1.11, p = 0.110) in multivariable analysis. Likewise, risk reduction for any recurrence was less pronounced in the PDGFRb high group. No significant interaction between RT and PDGFRb-score could be detected. Conclusion A higher PDGFRb-score conferred an increased risk of any recurrence, which partly can be explained by its association with estrogen receptor negativity and young age. Reduced RT benefit was noted among patients with high PDGFRb, however without significant interaction.
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Affiliation(s)
- Carina Strell
- Department of Oncology-Pathology, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Axel Stenmark Tullberg
- Department of Oncology, Sahlgrenska University Hospital, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Reidunn Jetne Edelmann
- Department of Clinical Medicine, Centre for Cancer Biomarkers CCBIO, University of Bergen, Bergen, Norway
| | - Lars Andreas Akslen
- Department of Clinical Medicine, Centre for Cancer Biomarkers CCBIO, University of Bergen, Bergen, Norway
| | - Per Malmström
- Division of Oncology and Pathology, Department of Clinical Sciences, Lund University, Lund, Sweden
- Department of Haematology, Oncology and Radiation Physics, Skåne University Hospital, Lund, Sweden
| | - Mårten Fernö
- Division of Oncology and Pathology, Department of Clinical Sciences, Lund University, Lund, Sweden
| | - Erik Holmberg
- Department of Oncology, Sahlgrenska University Hospital, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Arne Östman
- Department of Oncology-Pathology, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Per Karlsson
- Department of Oncology, Sahlgrenska University Hospital, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
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26
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Moreno-Ruiz P, Corvigno S, Te Grootenhuis NC, La Fleur L, Backman M, Strell C, Mezheyeuski A, Hoelzlwimmer G, Klein C, Botling J, Micke P, Östman A. Stromal FAP is an independent poor prognosis marker in non-small cell lung adenocarcinoma and associated with p53 mutation. Lung Cancer 2021; 155:10-19. [PMID: 33706022 DOI: 10.1016/j.lungcan.2021.02.028] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 02/12/2021] [Accepted: 02/20/2021] [Indexed: 11/24/2022]
Abstract
OBJECTIVES Fibroblasts regulate tumor growth and immune surveillance. Here, we study FAP, PDGFβR and α-SMA fibroblast markers in a well-annotated clinical cohort of non-small-cell lung cancer (NSCLC) for analyses of associations with immune cell infiltration, mutation status and survival. MATERIALS AND METHODS A well-annotated NSCLC cohort was subjected to IHC analyses of stromal expression of FAP, PDGFβR and α-SMA and of stromal CD8 density. Fibroblast markers-related measurements were analyzed with regard to potential associations with CD8 density, cancer genetic driver mutations, survival and PD-L1 expression in the whole NSCLC cohort and in subsets of patients. RESULTS High stromal FAP expression was identified as an independent poor prognostic marker in the whole study population (HR 1.481; 95 % CI, 1.012-2.167, p = 0.023) and in the histological subset of adenocarcinoma (HR 1.720; 95 % CI, 1.126-2.627, p = 0.012). Among patients with adenocarcinoma, a particularly strong association of FAP with poor survival was detected in patients with low stromal CD8 infiltration, and in other subpopulations identified by specific clinical characteristics; elderly patients, females, non-smokers and patients with normal ECOG performance status. α-SMA expression was negatively associated with CD8 infiltration in non-smokers, but none of the fibroblast markers expression was associated with CD8 density in the whole study population. Significant associations were detected between presence of p53 mutations and high α-SMA (p = 0.003) and FAP expression (p < 0.001). CONCLUSION The study identifies FAP intensity as a candidate independent NSCLC prognostic biomarker. The study also suggests continued analyses of the relationships between genetic driver mutations and the composition of tumor stroma, as well as continued probing of marker-defined fibroblasts as NSCLC subset-specific modifiers of immune surveillance and outcome.
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Affiliation(s)
- Pablo Moreno-Ruiz
- Karolinska Institutet, Cancer Center Karolinska, Department of Oncology-Pathology, Stockholm, Sweden
| | - Sara Corvigno
- Karolinska Institutet, Cancer Center Karolinska, Department of Oncology-Pathology, Stockholm, Sweden; Uppsala University, Genetics and Pathology, Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala, Sweden
| | - Nienke C Te Grootenhuis
- University of Groningen, University Medical Center Groningen, Department of Obstetrics and Gynecology, Groningen, The Netherlands
| | - Linnéa La Fleur
- Uppsala University, Genetics and Pathology, Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala, Sweden
| | - Max Backman
- Uppsala University, Genetics and Pathology, Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala, Sweden
| | - Carina Strell
- Karolinska Institutet, Cancer Center Karolinska, Department of Oncology-Pathology, Stockholm, Sweden
| | - Artur Mezheyeuski
- Karolinska Institutet, Cancer Center Karolinska, Department of Oncology-Pathology, Stockholm, Sweden; Uppsala University, Genetics and Pathology, Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala, Sweden
| | | | | | - Johan Botling
- Uppsala University, Genetics and Pathology, Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala, Sweden
| | - Patrick Micke
- Uppsala University, Genetics and Pathology, Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala, Sweden
| | - Arne Östman
- Karolinska Institutet, Cancer Center Karolinska, Department of Oncology-Pathology, Stockholm, Sweden.
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El-Khayat SM, Arafat WO. Therapeutic strategies of recurrent glioblastoma and its molecular pathways 'Lock up the beast'. Ecancermedicalscience 2021; 15:1176. [PMID: 33680090 PMCID: PMC7929780 DOI: 10.3332/ecancer.2021.1176] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Indexed: 12/12/2022] Open
Abstract
Glioblastoma multiforme (GBM) has a poor prognosis-despite aggressive primary treatment composed of surgery, radiotherapy and chemotherapy, median survival is still around 15 months. It starts to grow again after a year of treatment and eventually nothing is effective at this stage. Recurrent GBM is one of the most disappointing fields for researchers in which their efforts have gained no benefit for patients. They were directed for a long time towards understanding the molecular basis that leads to the development of GBM. It is now known that GBM is a heterogeneous disease and resistance comes mainly from the regrowth of malignant cells after eradicating specific clones by targeted treatment. Epidermal growth factor receptor, platelet derived growth factor receptor, vascular endothelial growth factor receptor are known to be highly active in primary and recurrent GBM through different underlying pathways, despite this bevacizumab is the only Food and Drug Administration (FDA) approved drug for recurrent GBM. Immunotherapy is another important promising modality of treatment of GBM, after proper understanding of the microenvironment of the tumour and overcoming the reasons that historically stigmatise GBM as an 'immunologically cold tumour'. Radiotherapy can augment the effect of immunotherapy by different mechanisms. Also, dual immunotherapy which targets immune pathways at different stages and through different receptors further enhances immune stimulation against GBM. Delivery of pro-drugs to be activated at the tumour site and suicidal genes by gene therapy using different vectors shows promising results. Despite using neurotropic viral vectors specifically targeting glial cells (which are the cells of origin of GBM), no significant improvement of overall-survival has been seen as yet. Non-viral vectors 'polymeric and non-polymeric' show significant tumour shrinkage in pre-clinical trials and now at early-stage clinical trials. To this end, in this review, we aim to study the possible role of different molecular pathways that are involved in GBM's recurrence, we will also review the most relevant and recent clinical experience with targeted treatments and immunotherapies. We will discuss trials utilised tyrosine receptor kinase inhibitors, immunotherapy and gene therapy in recurrent GBM pointing to the causes of potential disappointing preliminary results of some of them. Additionally, we are suggesting a possible future treatment based on recent successful clinical data that could alter the outcome for GBM patients.
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Affiliation(s)
- Shaimaa M El-Khayat
- Cancer Management and Research Department, Medical Research Institute, Alexandria University, Alexandria 21568, Egypt
| | - Waleed O Arafat
- Alexandria Clinical Oncology Department, Alexandria University, Alexandria 21568, Egypt
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28
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Guo R, Yang Y, Zhang D, Du J, Zhu X, Liu Y, Yang F, Lin J. A bispecific immunotoxin (IHPP) with a long half-life targeting HER2 and PDGFRβ exhibited improved efficacy against HER2-positive tumors in a mouse xenograft model. Int J Pharm 2021; 592:120037. [PMID: 33161038 DOI: 10.1016/j.ijpharm.2020.120037] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 10/07/2020] [Accepted: 10/28/2020] [Indexed: 12/27/2022]
Abstract
Multiple signaling pathways are usually involved in the development of tumors. Compared with monospecific antibodies, bispecific antibodies can recognize two different antigens at the same time, so they are more suitable for treating tumor diseases with complex etiology. Immunotoxins have good antitumor activity, however, single targeting limits their effectiveness. Herein, we designed a Pseudomonas exotoxin A (PE)-based bispecific immunotoxin IgBD-HER2-PDGFRβ-PE38 which could distinguish HER2 and PDGFRβ target in tumor. Meanwhile, IgG-affinity could extend the serum retention of immunotoxins after in vivo injection. In this work, we first detected the selective binding of the immunotoxins and antitumor effect in vitro. Compared with control group, IgBD-HER2-PDGFRβ-PE38 exhibited improved efficacy against HER2-positive tumors in an NCI-N87 subcutaneous xenograft model. Then, transcriptome sequencing was performed on tumor tissue originating from different treatment groups of mice bearing NCI-N87 tumors. Seven significantly differentially expressed genes were screened based on human genes, and the differential mouse genes were enriched based on the Reactome Pathway Database. At last, the RNA sequencing results were verified by real-time PCR and ELISA. Therefore, the new construct bispecific immunotoxin represents a potentially attractive therapeutic modality, and the proposed strategy make them promising for use in the development of anti-HER2 cancer therapeutics.
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Affiliation(s)
- Rui Guo
- College of Biomedical Engineering, Xinxiang Medical University, Xinxiang 453003, Henan Province, China; Stem Cell and Biotherapy Engineering Research Center of Henan, Xinxiang Medical University, Xinxiang 453003, Henan Province, China
| | - Yun Yang
- College of Basic Medical Sciences, Xinxiang Medical University, Xinxiang 453003, Henan Province, China
| | - Di Zhang
- College of Biomedical Engineering, Xinxiang Medical University, Xinxiang 453003, Henan Province, China; Stem Cell and Biotherapy Engineering Research Center of Henan, Xinxiang Medical University, Xinxiang 453003, Henan Province, China
| | - Jiang Du
- College of Biomedical Engineering, Xinxiang Medical University, Xinxiang 453003, Henan Province, China; Stem Cell and Biotherapy Engineering Research Center of Henan, Xinxiang Medical University, Xinxiang 453003, Henan Province, China
| | - Xinxing Zhu
- College of Biomedical Engineering, Xinxiang Medical University, Xinxiang 453003, Henan Province, China; Stem Cell and Biotherapy Engineering Research Center of Henan, Xinxiang Medical University, Xinxiang 453003, Henan Province, China
| | - Yanli Liu
- Stem Cell and Biotherapy Engineering Research Center of Henan, Xinxiang Medical University, Xinxiang 453003, Henan Province, China; College of Life Science and Technology, Xinxiang Medical University, Xinxiang 453003, Henan Province, China
| | - Fen Yang
- College of Biomedical Engineering, Xinxiang Medical University, Xinxiang 453003, Henan Province, China; Stem Cell and Biotherapy Engineering Research Center of Henan, Xinxiang Medical University, Xinxiang 453003, Henan Province, China
| | - Juntang Lin
- College of Biomedical Engineering, Xinxiang Medical University, Xinxiang 453003, Henan Province, China; Stem Cell and Biotherapy Engineering Research Center of Henan, Xinxiang Medical University, Xinxiang 453003, Henan Province, China.
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Smidova V, Michalek P, Goliasova Z, Eckschlager T, Hodek P, Adam V, Heger Z. Nanomedicine of tyrosine kinase inhibitors. Theranostics 2021; 11:1546-1567. [PMID: 33408767 PMCID: PMC7778595 DOI: 10.7150/thno.48662] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Accepted: 09/21/2020] [Indexed: 12/24/2022] Open
Abstract
Recent progress in nanomedicine and targeted therapy brings new breeze into the field of therapeutic applications of tyrosine kinase inhibitors (TKIs). These drugs are known for many side effects due to non-targeted mechanism of action that negatively impact quality of patients' lives or that are responsible for failure of the drugs in clinical trials. Some nanocarrier properties provide improvement of drug efficacy, reduce the incidence of adverse events, enhance drug bioavailability, helps to overcome the blood-brain barrier, increase drug stability or allow for specific delivery of TKIs to the diseased cells. Moreover, nanotechnology can bring new perspectives into combination therapy, which can be highly efficient in connection with TKIs. Lastly, nanotechnology in combination with TKIs can be utilized in the field of theranostics, i.e. for simultaneous therapeutic and diagnostic purposes. The review provides a comprehensive overview of advantages and future prospects of conjunction of nanotransporters with TKIs as a highly promising approach to anticancer therapy.
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Affiliation(s)
- Veronika Smidova
- Department of Chemistry and Biochemistry Mendel University in Brno, Zemedelska 1, 613 00 Brno, Czech Republic
| | - Petr Michalek
- Department of Chemistry and Biochemistry Mendel University in Brno, Zemedelska 1, 613 00 Brno, Czech Republic
- Central European Institute of Technology, Brno University of Technology, Purkynova 656/123, 612 00 Brno, Czech Republic
| | - Zita Goliasova
- Department of Chemistry and Biochemistry Mendel University in Brno, Zemedelska 1, 613 00 Brno, Czech Republic
| | - Tomas Eckschlager
- Department of Paediatric Haematology and Oncology, 2nd Faculty of Medicine, Charles University, and University Hospital Motol, V Uvalu 84, Prague 5 CZ-15006, Czech Republic
| | - Petr Hodek
- Department of Biochemistry, Faculty of Science, Charles University, Albertov 2030, 128 40 Prague 2, Czech Republic
| | - Vojtech Adam
- Department of Chemistry and Biochemistry Mendel University in Brno, Zemedelska 1, 613 00 Brno, Czech Republic
- Central European Institute of Technology, Brno University of Technology, Purkynova 656/123, 612 00 Brno, Czech Republic
| | - Zbynek Heger
- Department of Chemistry and Biochemistry Mendel University in Brno, Zemedelska 1, 613 00 Brno, Czech Republic
- Central European Institute of Technology, Brno University of Technology, Purkynova 656/123, 612 00 Brno, Czech Republic
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30
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Martín-Broto J, Pousa AL, Brohl AS, Van Tine BA, Powers B, Stacchiotti S, Blay JY, Hu JS, Oakley GJ, Wang H, Szpurka AM, Levy DE, Mo G, Ceccarelli M, Jones RL. Circulating Tumor Cells and Biomarker Modulation with Olaratumab Monotherapy Followed by Olaratumab plus Doxorubicin: Phase Ib Study in Patients with Soft-Tissue Sarcoma. Mol Cancer Ther 2020; 20:132-141. [PMID: 33177152 DOI: 10.1158/1535-7163.mct-20-0441] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 09/09/2020] [Accepted: 10/21/2020] [Indexed: 11/16/2022]
Abstract
This phase Ib study enumerated whole blood circulating tumor cells (CTC) and evaluated biomarkers in patients with potentially resectable soft-tissue sarcoma (STS) treated with olaratumab monotherapy (20 mg/kg) for one cycle followed by up to six cycles of olaratumab (20 mg/kg, cycles 1-2; 15 mg/kg, cycles 3-7) plus doxorubicin (75 mg/m2 on day 1). CTCs, platelet-derived growth factor receptors (PDGFR), and PDGF ligand expression in tumor tissue pre- and post-olaratumab monotherapy were evaluated. Antitumor activity, safety, pharmacokinetics, and PET/biomarker association with clinical outcome were assessed. Of 51 treated patients, 35, 43, and 37 were evaluable for CTC enumeration, PDGFRs, and PDGF ligand expression, respectively. An increase in CTCs at cycle 1 day 8 was observed, followed by a significant reduction by cycle 3 day 1 or 30-day follow-up. Decrease in CTC counts after olaratumab monotherapy was higher in patients with disease control than without disease control (57.9% vs. 31.2%). Baseline IHC expression was positive in most patients for PDGFRα [n = 31 (72.1%)] and PDGFRβ [n = 36 (83.7%)]. Similar rates were observed post-olaratumab monotherapy [PDGFRα, n = 30 (69.8%); PDGFRβ, n = 33 (76.7%)]. Eleven patients (29.7%) showed a 30% reduction by RT-PCR in PDGFRα at cycle 2. PDGFR expression and PET response showed no correlation with clinical outcome. Safety and pharmacokinetic profiles were consistent with previous reports. This study, the first to use a validated method for CTC detection, confirms that CTC enumeration in STS is feasible. However, no correlation was observed between PDGFRα expression and clinical outcome.
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Affiliation(s)
- Javier Martín-Broto
- University Hospital Virgen del Rocio/Institute of Biomedicine of Seville, Seville, Spain
| | | | - Andrew S Brohl
- H. Lee Moffitt Cancer Center & Research Institute, Tampa, Florida
| | | | | | | | | | - James S Hu
- Keck School of Medicine of University of Southern California, Los Angeles, California
| | | | - Hong Wang
- Eli Lilly and Company, Indianapolis, Indiana
| | | | | | - Gary Mo
- Eli Lilly and Company, Indianapolis, Indiana.,Metrum Research Group, Tariffville, Connecticut
| | | | - Robin L Jones
- Royal Marsden Hospital/Institute of Cancer Research, London, United Kingdom.
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31
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Abstract
Cancer-associated fibroblasts (CAFs) are the key component of tumor stromal. High heterogeneity of CAFs reflects in their origin, phenotype and function. Biological function which can be suggested by biomarkers of distinct CAF subgroups may be different, even opposite, just like water and fire. Identifying CAF subpopulations expressing different biomarkers and reconciling the relationship of the "water and fire" among distinct CAF subsets may be a breakthrough in tumor therapy. Herein, we briefly summarize the biomarkers commonly used or newly identified for distinct CAFs in terms of their features and potential clinical benefits.
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32
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Platelet-derived growth factor activates nociceptive neurons by inhibiting M-current and contributes to inflammatory pain. Pain 2020; 160:1281-1296. [PMID: 30933959 PMCID: PMC6553959 DOI: 10.1097/j.pain.0000000000001523] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Supplemental Digital Content is Available in the Text. Our work reveals that the platelet-derived growth factor-BB, by inhibiting nociceptive M-type potassium channels, acts as a pain-inducing proinflammatory factor that significantly contributes to inflammatory pain. Endogenous inflammatory mediators contribute to the pathogenesis of pain by acting on nociceptors, specialized sensory neurons that detect noxious stimuli. Here, we describe a new factor mediating inflammatory pain. We show that platelet-derived growth factor (PDGF)-BB applied in vitro causes repetitive firing of dissociated nociceptor-like rat dorsal root ganglion neurons and decreased their threshold for action potential generation. Injection of PDGF-BB into the paw produced nocifensive behavior in rats and led to thermal and mechanical pain hypersensitivity. We further detailed the biophysical mechanisms of these PDGF-BB effects and show that PDGF receptor–induced inhibition of nociceptive M-current underlies PDGF-BB–mediated nociceptive hyperexcitability. Moreover, in vivo sequestration of PDGF or inhibition of the PDGF receptor attenuates acute formalin-induced inflammatory pain. Our discovery of a new pain-facilitating proinflammatory mediator, which by inhibiting M-current activates nociceptive neurons and thus contributes to inflammatory pain, improves our understanding of inflammatory pain pathophysiology and may have important clinical implications for pain treatment.
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33
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Alexandru O, Horescu C, Sevastre AS, Cioc CE, Baloi C, Oprita A, Dricu A. Receptor tyrosine kinase targeting in glioblastoma: performance, limitations and future approaches. Contemp Oncol (Pozn) 2020; 24:55-66. [PMID: 32514239 PMCID: PMC7265959 DOI: 10.5114/wo.2020.94726] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 02/24/2020] [Indexed: 01/08/2023] Open
Abstract
From all central nervous system tumors, gliomas are the most common. Nowadays, researchers are looking for more efficient treatments for these tumors, as well as ways for early diagnosis. Receptor tyrosine kinases (RTKs) are major targets for oncology and the development of small-molecule RTK inhibitors has been proven successful in cancer treatment. Mutations or aberrant activation of the RTKs and their intracellular signaling pathways are linked to several malignant diseases, including glioblastoma. The progress in the understanding of malignant glioma evolution has led to RTK targeted therapies with high capacity to improve the therapeutic response while reducing toxicity. In this review, we present the most important RTKs (i.e. EGFR, IGFR, PDGFR and VEGFR) currently used for developing cancer therapeutics together with the potential of RTK-related drugs in glioblastoma treatment. Also, we focus on some therapeutic agents that are currently at different stages of research or even in clinical phases and proved to be suitable as re-purposing candidates for glioblastoma treatment.
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Affiliation(s)
- Oana Alexandru
- Department of Neurology, University of Medicine and Pharmacy of Craiova and Clinical Hospital of Neuropsychiatry Craiova, Craiova, Romania
| | - Cristina Horescu
- Unit of Biochemistry, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - Ani-Simona Sevastre
- Unit of Pharmaceutical Technology, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - Catalina Elena Cioc
- Unit of Biochemistry, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - Carina Baloi
- Unit of Biochemistry, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - Alexandru Oprita
- Unit of Biochemistry, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - Anica Dricu
- Unit of Biochemistry, University of Medicine and Pharmacy of Craiova, Craiova, Romania
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34
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Yao LW, Wu LL, Zhang LH, Zhou W, Wu L, He K, Ren JC, Deng YC, Yang DM, Wang J, Mu GG, Xu M, Zhou J, Xiang GA, Ding QS, Yang YN, Yu HG. MFAP2 is overexpressed in gastric cancer and promotes motility via the MFAP2/integrin α5β1/FAK/ERK pathway. Oncogenesis 2020; 9:17. [PMID: 32054827 PMCID: PMC7018958 DOI: 10.1038/s41389-020-0198-z] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 12/23/2019] [Accepted: 01/23/2020] [Indexed: 12/17/2022] Open
Abstract
Gastric cancer (GC) is one of the most common malignancies and its prognosis is extremely poor. This study identifies a novel oncogene, microfibrillar-associated protein 2 (MFAP2) in GC. With integrative reanalysis of transcriptomic data, we found MFAP2 as a GC prognosis-related gene. And the aberrant expression of MFAP2 was explored in GC samples. Subsequent experiments indicated that silencing and exogenous MFAP2 could affect motility of cancer cells. The inhibition of silencing MFAP2 could be rescued by another FAK activator, fibronectin. This process is probably through affecting the activation of focal adhesion process via modulating ITGB1 and ITGA5. MFAP2 regulated integrin expression through ERK1/2 activation. Silencing MFAP2 by shRNA inhibited tumorigenicity and metastasis in nude mice. We also revealed that MFAP2 is a novel target of microRNA-29, and miR-29/MFAP2/integrin α5β1/FAK/ERK1/2 could be an important oncogenic pathway in GC progression. In conclusion, our data identified MFAP2 as a novel oncogene in GC and revealed that miR-29/MFAP2/integrin α5β1/FAK/ERK1/2 could be an important oncogenic pathway in GC progression.
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Affiliation(s)
- Li-Wen Yao
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China.,Hubei Key laboratory of Digestive System, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China
| | - Lian-Lian Wu
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China.,Hubei Key laboratory of Digestive System, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China
| | - Li-Hui Zhang
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China.,Hubei Key laboratory of Digestive System, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China
| | - Wei Zhou
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China.,Hubei Key laboratory of Digestive System, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China
| | - Lu Wu
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China.,Hubei Key laboratory of Digestive System, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China
| | - Ke He
- Department of General Surgery, The Second People's Hospital of Guangdong Province, Southern Medical University, Guangzhou, Guangdong, 510317, P.R. China.,Department of Biochemistry, Zhongshan Medical College, Sun Yat-sen University, Guangzhou, P.R. China
| | - Jia-Cai Ren
- Department of Pathology, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China
| | - Yun-Chao Deng
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China.,Hubei Key laboratory of Digestive System, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China
| | - Dong-Mei Yang
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China.,Hubei Key laboratory of Digestive System, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China
| | - Jing Wang
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China.,Hubei Key laboratory of Digestive System, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China
| | - Gang-Gang Mu
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China.,Hubei Key laboratory of Digestive System, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China
| | - Ming Xu
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China.,Hubei Key laboratory of Digestive System, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China
| | - Jie Zhou
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China.,Hubei Key laboratory of Digestive System, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China
| | - Guo-An Xiang
- Department of General Surgery, The Second People's Hospital of Guangdong Province, Southern Medical University, Guangzhou, Guangdong, 510317, P.R. China
| | - Qian-Shan Ding
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China. .,Hubei Key laboratory of Digestive System, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China.
| | - Yan-Ning Yang
- Department of Ophthalmology, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China.
| | - Hong-Gang Yu
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China. .,Hubei Key laboratory of Digestive System, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P.R. China.
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35
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Truffi M, Sorrentino L, Corsi F. Fibroblasts in the Tumor Microenvironment. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1234:15-29. [PMID: 32040852 DOI: 10.1007/978-3-030-37184-5_2] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The implications of a tumor microenvironment in cancer initiation and progression have drawn interest in recent years. Within the tumor stroma, fibroblasts represent a predominant cell type and are responsible for the majority of extracellular components within the tumor microenvironment, such as matrix and soluble factors. A switch from quiescent fibroblasts to cancer-associated fibroblasts triggers a large variety of pro-tumorigenic signals that support tumor progression and shape the surrounding pathological stroma, with the remodeling of tissue architecture and repression of the local immune response. The heterogeneous nature of cancer-associated fibroblasts and their multiple functions are subject of active research as they could represent promising targets for cutting-edge therapeutic approaches to cancer and the tumor microenvironment.
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Affiliation(s)
- Marta Truffi
- Istituti Clinici Scientifici Maugeri IRCCS, Pavia, Italy.,Department of Biomedical and Clinical Sciences "Luigi Sacco", Università degli studi di Milano, Milano, Italy
| | - Luca Sorrentino
- Department of Biomedical and Clinical Sciences "Luigi Sacco", Università degli studi di Milano, Milano, Italy
| | - Fabio Corsi
- Istituti Clinici Scientifici Maugeri IRCCS, Pavia, Italy. .,Department of Biomedical and Clinical Sciences "Luigi Sacco", Università degli studi di Milano, Milano, Italy.
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36
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Abbas M, Haddad E, Hamer M, Nowrangi D, Zhang J, Pearce WJ, Tang J, Obenaus A. Acute Treatment With Gleevec Does Not Promote Early Vascular Recovery Following Intracerebral Hemorrhage in Adult Male Rats. Front Neurosci 2020; 14:46. [PMID: 32116501 PMCID: PMC7010856 DOI: 10.3389/fnins.2020.00046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 01/13/2020] [Indexed: 12/31/2022] Open
Abstract
Intracerebral hemorrhage (ICH) remains one of the most debilitating types of stroke and is characterized by a sudden bleeding from a ruptured blood vessel. ICH often results in high mortality and in survivors, permanent disability. Most studies have focused on neuroprotective strategies designed to minimize secondary consequences and prevent further pathology. Lacking is an understanding of how ICH acutely affects cerebrovascular components and their response to therapeutic interventions. We hypothesized that ICH alters cortical vessel complexity in the parenchyma adjacent to site of the initial vascular disruption and that vascular abnormalities would be mitigated by administration of the PDGFR inhibitor, Imatinib mesylate (Gleevec). Briefly, ICH was induced in male adult rats by injection of collagenase into basal ganglia, followed by Gleevec administration (60 mg/kg) 1 h after injury. Rats were then perfused using vessel painting methodology (Salehi et al., 2018b) to stain whole brain vascular networks at 1 day post-ICH. Axial and coronal wide field fluorescence microscopy was performed. Analyses for vascular features were undertaken and fractal analysis for vascular complexity. Data were collected from four groups of rats: Sham + Vehicle; Sham + Gleevec; ICH + Vehicle; ICH + Gleevec. Microscopy revealed that cortical vessels in both ipsi- and contralateral hemispheres exhibited significantly reduced density and branching by 22 and 34%, respectively. Fractal measures confirmed reduced complexity as well. Gleevec treatment further reduced vascular parameters, including reductions in vessel density in tissues adjacent to the ICH. The reductions in brain wide vascular networks after Gleevec in the current study after ICH is contrasted by previous reports of improved behavioral outcomes and decreased lCH lesion volumes Reductions in the vascular network after Gleevec may be involved in long-term repair mechanisms by pruning injured vessels to ultimately promote new vessel growth.
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Affiliation(s)
- Mohammed Abbas
- Department of Pediatrics, Loma Linda University, Loma Linda, CA, United States
| | - Elizabeth Haddad
- Department of Pediatrics, University of California, Irvine, Irvine, CA, United States
| | - Mary Hamer
- Department of Pediatrics, University of California, Irvine, Irvine, CA, United States
| | - Derek Nowrangi
- Department of Physiology and Pharmacology, Loma Linda University, Loma Linda, CA, United States
| | - John Zhang
- Department of Physiology and Pharmacology, Loma Linda University, Loma Linda, CA, United States
- Department of Anesthesiology, Loma Linda University, Loma Linda, CA, United States
- Department of Neurosurgery, Loma Linda University, Loma Linda, CA, United States
| | - William J. Pearce
- Center for Perinatal Biology, Loma Linda University, Loma Linda, CA, United States
| | - Jiping Tang
- Department of Physiology and Pharmacology, Loma Linda University, Loma Linda, CA, United States
| | - Andre Obenaus
- Department of Pediatrics, Loma Linda University, Loma Linda, CA, United States
- Department of Pediatrics, University of California, Irvine, Irvine, CA, United States
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37
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Zhang Q, Liu JH, Liu JL, Qi CT, Yan L, Chen Y, Yu Q. Activation and function of receptor tyrosine kinases in human clear cell renal cell carcinomas. BMC Cancer 2019; 19:1044. [PMID: 31690270 PMCID: PMC6833303 DOI: 10.1186/s12885-019-6159-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 09/13/2019] [Indexed: 02/07/2023] Open
Abstract
Background The receptor tyrosine kinases (RTKs) play critical roles in the development of cancers. Clear cell renal cell carcinoma (ccRCC) accounts for 75% of the RCC. The previous studies on the RTKs in ccRCCs mainly focused on their gene expressions. The activation and function of the RTKs in ccRCC have not been fully investigated. Methods In the present study, we analyzed the phosphorylation patterns of RTKs in human ccRCC patient samples, human ccRCC and papillary RCC cell lines, and other kidney tumor samples using human phospho-RTK arrays. We further established ccRCC patient-derived xenograft models in nude mice and assessed the effects of RTKIs (RTK Inhibitors) on the growth of these cancer cells. Immunofluorescence staining was used to detect the localization of keratin, vimentin and PDGFRβ in ccRCCs. Results We found that the RTK phosphorylation patterns of the ccRCC samples were all very similar, but different from that of the cell lines, other kidney tumor samples, as well as the adjacent normal tissues. 9 RTKs, EGFR1–3, Insulin R, PDGFRβ, VEGFR1, VEGFR2, HGFR and M-CSFR were found to be phosphorylated in the ccRCC samples. The adjacent normal tissues, on the other hand, had predominantly only two of the 4 EGFR family members, EGFR and ErbB4, phosphorylated. What’s more, the RTK phosphorylation pattern of the xenograft, however, was different from that of the primary tissue samples. Treatment of the xenograft nude mice with corresponding RTK inhibitors effectively inhibited the Erk1/2 signaling pathway as well as the growth of the tumors. In addition, histological staining of the cancer samples revealed that most of the PDGFRβ expressing cells were localized in the vimentin-positive periepithelial stroma. Conclusions Overall, we have identified a set of RTKs that are characteristically phosphorylated in ccRCCs. The phosphorylation of RTKs in ccRCCs were determined by the growing environments. These phosphorylated/activated RTKs will guide targeting drugs development of more effective therapies in ccRCCs. The synergistical inhibition of RTKIs combination on the ccRCC suggest a novel strategy to use a combination of RTKIs to treat ccRCCs.
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Affiliation(s)
- Qing Zhang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Room 2-224, Shanghai, 201203, China
| | - Jian-He Liu
- The Department of Urology, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 1665 Kongjiang Road, Shanghai, China
| | - Jing-Li Liu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Room 2-224, Shanghai, 201203, China
| | - Chun-Ting Qi
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Room 2-224, Shanghai, 201203, China
| | - Lei Yan
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Room 2-224, Shanghai, 201203, China
| | - Yu Chen
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Room 2-224, Shanghai, 201203, China
| | - Qiang Yu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Room 2-224, Shanghai, 201203, China.
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38
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Lin X, Kapoor A, Gu Y, Chow MJ, Xu H, Major P, Tang D. Assessment of biochemical recurrence of prostate cancer (Review). Int J Oncol 2019; 55:1194-1212. [PMID: 31638194 PMCID: PMC6831208 DOI: 10.3892/ijo.2019.4893] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Accepted: 09/24/2019] [Indexed: 12/12/2022] Open
Abstract
The assessment of the risk of biochemical recurrence (BCR) is critical in the management of males with prostate cancer (PC). Over the past decades, a comprehensive effort has been focusing on improving risk stratification; a variety of models have been constructed using PC-associated pathological features and molecular alterations occurring at the genome, protein and RNA level. Alterations in RNA expression (lncRNA, miRNA and mRNA) constitute the largest proportion of the biomarkers of BCR. In this article, we systemically review RNA-based BCR biomarkers reported in PubMed according to the PRISMA guidelines. Individual miRNAs, mRNAs, lncRNAs and multi-gene panels, including the commercially available signatures, Oncotype DX and Prolaris, will be discussed; details related to cohort size, hazard ratio and 95% confidence intervals will be provided. Mechanistically, these individual biomarkers affect multiple pathways critical to tumorigenesis and progression, including epithelial-mesenchymal transition (EMT), phosphatase and tensin homolog (PTEN), Wnt, growth factor receptor, cell proliferation, immune checkpoints and others. This variety in the mechanisms involved not only validates their associations with BCR, but also highlights the need for the coverage of multiple pathways in order to effectively stratify the risk of BCR. Updates of novel biomarkers and their mechanistic insights are considered, which suggests new avenues to pursue in the prediction of BCR. Additionally, the management of patients with BCR and the potential utility of the stratification of the risk of BCR in salvage treatment decision making for these patients are briefly covered. Limitations will also be discussed.
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Affiliation(s)
- Xiaozeng Lin
- Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Anil Kapoor
- The Research Institute of St. Joe's Hamilton, St. Joseph's Hospital, Hamilton, ON L8N 4A6, Canada
| | - Yan Gu
- Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Mathilda Jing Chow
- Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Hui Xu
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Pierre Major
- Division of Medical Oncology, Department of Oncology, McMaster University, Hamilton, ON L8V 5C2, Canada
| | - Damu Tang
- Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
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39
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Ren Y, Ay A, Gerke TA, Kahveci T. Identification of jointly correlated gene sets. J Bioinform Comput Biol 2019; 16:1840019. [PMID: 30419787 DOI: 10.1142/s021972001840019x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Associations between expressions of genes play a key role in deciphering their functions. Correlation score between pairs of genes is often utilized to associate two genes. However, the relationship between genes is often more complex; multiple genes might collaborate to control the transcription of a gene. In this paper, we introduce the problem of searching pairs of genes, which collectively correlate with another gene. This problem is computationally much harder than the classical problem of identifying pairwise gene associations. Exhaustive search is infeasible for transcriptomic datasets also; since for [Formula: see text] genes, there are [Formula: see text] possible gene combinations. Our method builds three filters to avoid computing the association for a large fraction of the gene combinations, which do not produce high correlation. Our experiments on a synthetic dataset and a prostate cancer dataset demonstrate that our method produces accurate results at the transcriptome level in practical time. Moreover, our method identifies biologically novel results which classical pairwise gene association studies are unlikely to discover.
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Affiliation(s)
- Yuanfang Ren
- * Department of Computer and Information Science and Engineering, University of Florida, Gainesville, FL 32611, USA
| | - Ahmet Ay
- † Departments of Biology and Mathematics, Colgate University, Hamilton, NY 13346, USA
| | | | - Tamer Kahveci
- * Department of Computer and Information Science and Engineering, University of Florida, Gainesville, FL 32611, USA
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40
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Kilvaer TK, Rakaee M, Hellevik T, Vik J, Petris LD, Donnem T, Strell C, Ostman A, Busund LTR, Martinez-Zubiaurre I. Differential prognostic impact of platelet-derived growth factor receptor expression in NSCLC. Sci Rep 2019; 9:10163. [PMID: 31308421 PMCID: PMC6629689 DOI: 10.1038/s41598-019-46510-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2019] [Accepted: 06/28/2019] [Indexed: 12/25/2022] Open
Abstract
Preclinical evidence suggests that stromal expression of platelet-derived growth factor receptors (PDGFRs) stimulates tumor development and diminishes intratumoral drug uptake. In non-small cell lung cancer (NSCLC), the clinical relevance of stromal PDGFR expression remains uncertain. Tumor specimens from 553 patients with primary operable stage I-IIIB NSCLC was obtained and tissue micro-arrays (TMA) were constructed (Norwegian cohort). Immunohistochemistry (IHC) was used to evaluate the expression of PDGFRα and -β in stromal cells and to explore their impact on patient survival. Results were validated in a non-related cohort consisting of TMAs of 367 stage I (A and B) NSCLC patients (Swedish cohort). High stromal PDGFRα expression was an independent predictor of increased survival in the overall populations and SCC (squamous cell carcinoma) subgroups of both investigated cohorts. PDGFRβ was an independent predictor of poor survival in the overall Norwegian cohort and an independent predictor of increased survival in the ADC (adenocarcinoma) subgroup of the Swedish cohort. Tumors displaying the combination PDGFRα-low/PDGFRβ-high exhibited inferior survival according to increasing stage in the Norwegian cohort. This study confirms that high stromal expression of PDGFRα is a predictor of increased survival in NSCLC. Further exploration of the prognostic impact of PDGFRβ and the relationship between PDGFRα and -β is warranted.
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Affiliation(s)
- Thomas Karsten Kilvaer
- Department of Oncology, University Hospital of North Norway, Tromso, Norway. .,Institute of Clinical Medicine, UiT The Arctic University of Norway, Tromso, Norway.
| | - Mehrdad Rakaee
- Institute of Clinical Medicine, UiT The Arctic University of Norway, Tromso, Norway.,Institute of Medical Biology, UiT The Arctic University of Norway, Tromso, Norway
| | - Turid Hellevik
- Department of Oncology, University Hospital of North Norway, Tromso, Norway.,Institute of Clinical Medicine, UiT The Arctic University of Norway, Tromso, Norway
| | - Jørg Vik
- Institute of Clinical Medicine, UiT The Arctic University of Norway, Tromso, Norway
| | - Luigi De Petris
- Department of Oncology-Pathology Cancer Center Karolinska, Karolinska Institutet, Stockholm, Sweden
| | - Tom Donnem
- Department of Oncology, University Hospital of North Norway, Tromso, Norway.,Institute of Clinical Medicine, UiT The Arctic University of Norway, Tromso, Norway
| | - Carina Strell
- Department of Oncology-Pathology Cancer Center Karolinska, Karolinska Institutet, Stockholm, Sweden
| | - Arne Ostman
- Department of Oncology-Pathology Cancer Center Karolinska, Karolinska Institutet, Stockholm, Sweden
| | - Lill-Tove Rasmussen Busund
- Institute of Medical Biology, UiT The Arctic University of Norway, Tromso, Norway.,Department of Clinical Pathology, University Hospital of North Norway, Tromso, Norway
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41
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Figueroa CD, Molina L, Bhoola KD, Ehrenfeld P. Overview of tissue kallikrein and kallikrein-related peptidases in breast cancer. Biol Chem 2019; 399:937-957. [PMID: 29885274 DOI: 10.1515/hsz-2018-0111] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Accepted: 05/17/2018] [Indexed: 12/11/2022]
Abstract
The kallikrein family comprises tissue kallikrein and 14 kallikrein-related peptidases (KLKs) recognized as a subgroup of secreted trypsin- or chymotrypsin-like serine proteases. KLKs are expressed in many cellular types where they regulate important physiological activities such as semen liquefaction, immune response, neural development, blood pressure, skin desquamation and tooth enamel formation. Tissue kallikrein, the oldest member and kinin-releasing enzyme, and KLK3/PSA, a tumor biomarker for prostate cancer are the most prominent components of the family. Additionally, other KLKs have shown an abnormal expression in neoplasia, particularly in breast cancer. Thus, increased levels of some KLKs may increase extracellular matrix degradation, invasion and metastasis; other KLKs modulate cell growth, survival and angiogenesis. On the contrary, KLKs can also inhibit angiogenesis and produce tumor suppression. However, there is a lack of knowledge on how KLKs are regulated in tumor microenvironment by molecules present at the site, namely cytokines, inflammatory mediators and growth factors. Little is known about the signaling pathways that control expression/secretion of KLKs in breast cancer, and further how activation of PAR receptors may contribute to functional activity in neoplasia. A better understanding of these molecular events will allow us to consider KLKs as relevant therapeutic targets for breast cancer.
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Affiliation(s)
- Carlos D Figueroa
- Laboratory of Cellular Pathology, Institute of Anatomy, Histology and Pathology, Faculty of Medicine, Universidad Austral de Chile, Valdivia, Chile
| | - Luis Molina
- Department of Science, Universidad San Sebastián, sede De la Patagonia, Puerto Montt, Chile
| | - Kanti D Bhoola
- Laboratory of Cellular Pathology, Institute of Anatomy, Histology and Pathology, Faculty of Medicine, Universidad Austral de Chile, Valdivia, Chile
| | - Pamela Ehrenfeld
- Laboratory of Cellular Pathology, Institute of Anatomy, Histology and Pathology, Faculty of Medicine, Universidad Austral de Chile, Valdivia, Chile.,Centro de Investigaciones del Sistema Nervioso (CISNe), Valdivia, Chile, e-mail:
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Hypoxia promotes osteosarcoma cell proliferation and migration through enhancing platelet-derived growth factor-BB/platelet-derived growth factor receptor-β axis. Biochem Biophys Res Commun 2019; 512:360-366. [PMID: 30894277 DOI: 10.1016/j.bbrc.2019.03.040] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Accepted: 03/07/2019] [Indexed: 01/10/2023]
Abstract
Osteosarcoma is a primary malignant bone tumor, characterized by high therapeutic resistance and poor outcomes, due to unclear pathological mechanisms. It has been shown recently that the platelet-derived growth factor (PDGF)/platelet-derived growth factor receptor (PDGFR) pathway is closely associated with the pathogenesis of osteosarcoma. Hypoxia is a critical hallmark of tumor microenvironment that promotes the malignant phenotype in many solid tumors and a fundamental impediment to effective tumor therapy. In this study, we confirmed that hypoxia is an important feature of osteosarcoma, validated by the positive immunohistochemistry staining of hypoxia marker hypoxia-inducible factor-1α (HIF-1α) and carbonic anhydrase IX (CAIX) in osteosarcoma tissue samples. More importantly, we discovered that hypoxia could transcriptionally upregulate the expression of both PDGF-BB and PDGFR-β in osteosarcoma cells in vitro. Likewise, we also established that hypoxia-induced PDGF-BB is strongly related to the enhanced cell proliferation and migration, by activating AKT, ERK1/2, and STAT3 signaling pathways. Notably, when using an antibody to block the autocrine of PDGF-BB, cell proliferation and migration were partially aborted in hypoxia. Collectively, we demonstrated that the hypoxia-activated PDGF-BB/PDGFR-β axis plays essential roles in osteosarcoma progression. These findings may shed light on the molecular pathogenesis of osteosarcoma, and provide a novel strategy for osteosarcoma treatment by combinational targeting hypoxia and PDGF-BB/PDGFR signaling.
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Cacheux W, Lièvre A, Richon S, Vacher S, El Alam E, Briaux A, El Botty R, Mariani P, Buecher B, Schnitzler A, Barbazan J, Roman-Roman S, Bièche I, Dangles-Marie V. Interaction between IGF2-PI3K axis and cancer-associated-fibroblasts promotes anal squamous carcinogenesis. Int J Cancer 2019; 145:1852-1859. [DOI: 10.1002/ijc.32178] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 12/03/2018] [Accepted: 01/28/2019] [Indexed: 12/30/2022]
Affiliation(s)
- Wulfran Cacheux
- Department of Medical Oncology; Hôpital Privé Pays de Savoie; Annemasse France
- Department of Medical Oncology; Institut Curie, PSL Research University; Saint-Cloud France
- Faculty of Health Sciences; Versailles Saint-Quentin-en-Yvelines University; Versailles France
| | - Astrid Lièvre
- Department of Medical Oncology; Institut Curie, PSL Research University; Saint-Cloud France
| | - Sophie Richon
- Department of Translational Research; Institut Curie, PSL Research University; Paris France
- UMR 144; Institut Curie, PSL Research University, CNRS; Paris France
| | - Sophie Vacher
- Department of Genetics, Pharmacogenomics Unit; Institut Curie, PSL Research University; Paris France
| | - Elsy El Alam
- Department of Tumour Biology; Institut Curie, PSL Research University; Saint-Cloud France
| | - Adrien Briaux
- Department of Genetics, Pharmacogenomics Unit; Institut Curie, PSL Research University; Paris France
| | - Rania El Botty
- Department of Translational Research; Institut Curie, PSL Research University; Paris France
| | - Pascale Mariani
- Department of Surgical Oncology; Institut Curie, PSL Research University; Paris France
| | - Bruno Buecher
- Department of Medical Oncology; Institut Curie, PSL Research University; Saint-Cloud France
| | - Anne Schnitzler
- Department of Genetics, Pharmacogenomics Unit; Institut Curie, PSL Research University; Paris France
| | - Jorge Barbazan
- UMR 144; Institut Curie, PSL Research University, CNRS; Paris France
| | - Sergio Roman-Roman
- Department of Translational Research; Institut Curie, PSL Research University; Paris France
| | - Ivan Bièche
- Department of Genetics, Pharmacogenomics Unit; Institut Curie, PSL Research University; Paris France
| | - Virginie Dangles-Marie
- Department of Translational Research; Institut Curie, PSL Research University; Paris France
- Faculty of Pharmacy; Université Paris Descartes; Paris France
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44
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Randomised phase II study of second-line olaratumab with mitoxantrone/prednisone versus mitoxantrone/prednisone alone in metastatic castration-resistant prostate cancer. Eur J Cancer 2019; 107:186-195. [DOI: 10.1016/j.ejca.2018.10.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 09/24/2018] [Accepted: 10/17/2018] [Indexed: 01/18/2023]
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45
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Kanzaki R, Ose N, Kawamura T, Funaki S, Shintani Y, Minami M, Takakura N, Okumura M. Stromal PDGFR-β Expression is Associated with Postoperative Survival of Non-Small Cell Lung Cancer Patients Receiving Preoperative Chemo- or Chemoradiotherapy Followed by Surgery. World J Surg 2018; 42:2879-2886. [PMID: 29511870 DOI: 10.1007/s00268-018-4560-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND PDGFR-β is used as a stromal biomarker and is functional in mesenchymal cells of the tumor microenvironment. The significance of stromal PDGFR-β expression in non-small cell lung cancer (NSCLC) in patients undergoing preoperative chemo- or chemoradiotherapy had not been determined. METHODS Patients with NSCLC undergoing preoperative chemo- or chemoradiotherapy between 1996 and 2014 were assessed for expression of stromal PDGFR-β by immunohistochemistry using resected specimens. Relationships between stromal PDGFR-β expression and survival after operation were analyzed. Forty-three patients who underwent surgery without preoperative treatment in 2005 were also analyzed as a chemo-naïve control group. RESULTS The mean age of the 92 patients was 60.2 years. Seventy-eight (85%) were male, and 14 (15%) were female. Fifty-four patients (59%) underwent preoperative chemoradiotherapy, and 38 patients (41%) underwent preoperative chemotherapy. Regimens for preoperative chemotherapy were cisplatin (CDDP) based in 48 patients (52%) and carboplatin (CBDCA) based in 43 (42%). While stromal cells expressed PDGFR-β in 21 chemo-naïve patients (49%), stromal cells expressed PDGFR-β in 65 patients who underwent preoperative therapy (p = 0.02). The 5-year disease-free survival rate (DFS) of the PDGFR-β-positive group was significantly worse than that of the negative group (27 vs. 48%, p = 0.04). The 5-year disease-specific survival rate (DSS) in the stromal PDGFR-β-positive group was also significantly worse than in the negative group (43 vs. 70%, p = 0.01). On the other hand, stromal PDGFR-β expression did not influence survival in chemo-naïve patients. CONCLUSIONS Stromal PDGFR-β expression is negatively associated with DFS and DSS in patients with NSCLC undergoing preoperative chemo- or chemoradiotherapy.
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Affiliation(s)
- Ryu Kanzaki
- Department of General Thoracic Surgery, Osaka University Graduate School of Medicine, L5-2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan.
| | - Naoko Ose
- Department of General Thoracic Surgery, Osaka University Graduate School of Medicine, L5-2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Tomohiro Kawamura
- Department of General Thoracic Surgery, Osaka University Graduate School of Medicine, L5-2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Soichiro Funaki
- Department of General Thoracic Surgery, Osaka University Graduate School of Medicine, L5-2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Yasushi Shintani
- Department of General Thoracic Surgery, Osaka University Graduate School of Medicine, L5-2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Masato Minami
- Department of General Thoracic Surgery, Osaka University Graduate School of Medicine, L5-2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Nobuyuki Takakura
- Department of Signal Transduction, Research Institute for Microbial Diseases, Osaka University, Suita, Japan
| | - Meinoshin Okumura
- Department of General Thoracic Surgery, Osaka University Graduate School of Medicine, L5-2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
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46
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Khan IN, Ullah N, Hussein D, Saini KS. Current and emerging biomarkers in tumors of the central nervous system: Possible diagnostic, prognostic and therapeutic applications. Semin Cancer Biol 2018; 52:85-102. [PMID: 28774835 DOI: 10.1016/j.semcancer.2017.07.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2017] [Accepted: 07/25/2017] [Indexed: 12/15/2022]
Affiliation(s)
- Ishaq N Khan
- PK-Neurooncology Research Group, Institute of Basic Medical Sciences, Khyber Medical University, Peshawar 25100, Pakistan; Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
| | - Najeeb Ullah
- Department of Anatomy, Institute of Basic Medical Sciences, Khyber Medical University, Peshawar 25100, Pakistan.
| | - Deema Hussein
- Neurooncology Translational Group, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
| | - Kulvinder S Saini
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Department of Biotechnology, Eternal University, Baru Sahib, Himachal Pradesh 173101, India.
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47
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Herrera A, Herrera M, Guerra-Perez N, Galindo-Pumariño C, Larriba MJ, García-Barberán V, Gil B, Giménez-Moyano S, Ferreiro-Monteagudo R, Veguillas P, Candia A, Peña R, Pinto J, García-Bermejo ML, Muñoz A, García de Herreros A, Bonilla F, Carrato A, Peña C. Endothelial cell activation on 3D-matrices derived from PDGF-BB-stimulated fibroblasts is mediated by Snail1. Oncogenesis 2018; 7:76. [PMID: 30250018 PMCID: PMC6155204 DOI: 10.1038/s41389-018-0085-z] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Accepted: 08/26/2018] [Indexed: 01/26/2023] Open
Abstract
Carcinomas, such as colon cancer, initiate their invasion by rescuing the innate plasticity of both epithelial cells and stromal cells. Although Snail is a transcriptional factor involved in the Epithelial-Mesenchymal Transition, in recent years, many studies have also identified the major role of Snail in the activation of Cancer-Associated Fibroblast (CAF) cells and the remodeling of the extracellular matrix. In CAFs, Platelet-derived growth factor (PDGF) receptor signaling is a major functional determinant. High expression of both SNAI1 and PDGF receptors is associated with poor prognosis in cancer patients, but the mechanism(s) that underlie these connections are not understood. In this study, we demonstrate that PDGF-activated fibroblasts stimulate extracellular matrix (ECM) fiber remodeling and deposition. Furthermore, we describe how SNAI1, through the FAK pathway, is a necessary factor for ECM fiber organization. The parallel-oriented fibers are used by endothelial cells as “tracks”, facilitating their activation and the creation of tubular structures mimicking in vivo capillary formation. Accordingly, Snail1 expression in fibroblasts was required for the co-adjuvant effect of these cells on matrix remodeling and neoangiogenesis when co-xenografted in nude mice. Finally, in tumor samples from colorectal cancer patients a direct association between stromal SNAI1 expression and the endothelial marker CD34 was observed. In summary, our results advance the understanding of PDGF/SNAI1-activated CAFs in matrix remodeling and angiogenesis stimulation.
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Affiliation(s)
- Alberto Herrera
- Department of Medical Oncology, Hospital Universitario Puerta de Hierro de Majadahonda, Majadahonda, Madrid, Spain
| | - Mercedes Herrera
- Department of Medical Oncology, Hospital Universitario Puerta de Hierro de Majadahonda, Majadahonda, Madrid, Spain.,Department of Oncology and Pathology, Karolinska Institutet, Stockholm, Sweden
| | - Natalia Guerra-Perez
- Medical Oncology Department, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - Cristina Galindo-Pumariño
- Medical Oncology Department, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - María Jesús Larriba
- Instituto de Investigaciones Biomédicas Alberto Sols, Consejo Superior de Investigaciones Científicas-Universidad Autónoma de Madrid, CIBERONC, Madrid, Spain
| | - Vanesa García-Barberán
- Department of Medical Oncology, Hospital Universitario Puerta de Hierro de Majadahonda, Majadahonda, Madrid, Spain.,Laboratory of Molecular Oncology, IIS Hospital Clínico San Carlos, CIBERONC, Madrid, Spain
| | - Beatriz Gil
- Department of Medical Oncology, Hospital Universitario Puerta de Hierro de Majadahonda, Majadahonda, Madrid, Spain.,Laboratorio de Oncología Traslacional y Nuevas Terapias. Instituto de Investigación i+12, Madrid, Spain
| | - Sara Giménez-Moyano
- Biomarkers and Therapeutic Targets Lab, Pathology Department, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - Reyes Ferreiro-Monteagudo
- Medical Oncology Department, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - Pilar Veguillas
- Surgery Department, Hospital Universitario de Guadalajara, Guadalajara, Spain
| | - Antonio Candia
- Pathology Department, Hospital Universitario de Guadalajara, Guadalajara, Spain
| | - Raúl Peña
- Programa de Recerca en Càncer, Institut Hospital del Mar d'Investigacions Mèdiques, Barcelona, Spain
| | - Jesús Pinto
- Pathology Department, Virgen de la Concha Hospital, Zamora, Castilla y León, Spain
| | - Mª Laura García-Bermejo
- Laboratorio de Oncología Traslacional y Nuevas Terapias. Instituto de Investigación i+12, Madrid, Spain
| | - Alberto Muñoz
- Instituto de Investigaciones Biomédicas Alberto Sols, Consejo Superior de Investigaciones Científicas-Universidad Autónoma de Madrid, CIBERONC, Madrid, Spain
| | | | | | - Alfredo Carrato
- Medical Oncology Department, Ramon y Cajal University Hospital, IRYCIS, CIBERONC, Alcala University, Madrid, Spain
| | - Cristina Peña
- Department of Medical Oncology, Hospital Universitario Puerta de Hierro de Majadahonda, Majadahonda, Madrid, Spain. .,Medical Oncology Department, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), CIBERONC, Madrid, Spain.
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Photoaffinity-engineered protein scaffold for systematically exploring native phosphotyrosine signaling complexes in tumor samples. Proc Natl Acad Sci U S A 2018; 115:E8863-E8872. [PMID: 30190427 DOI: 10.1073/pnas.1805633115] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Phosphotyrosine (pTyr)-regulated protein complexes play critical roles in cancer signaling. The systematic characterization of these protein complexes in tumor samples remains a challenge due to their limited access and the transient nature of pTyr-mediated interactions. We developed a hybrid chemical proteomics approach, termed Photo-pTyr-scaffold, by engineering Src homology 2 (SH2) domains, which specifically bind pTyr proteins, with both trifunctional chemical probes and genetic mutations to overcome these challenges. Dynamic SH2 domain-scaffolding protein complexes were efficiently cross-linked under mild UV light, captured by biotin tag, and identified by mass spectrometry. This approach was successfully used to profile native pTyr protein complexes from breast cancer tissue samples on a proteome scale with high selectivity, achieving about 100 times higher sensitivity for detecting pTyr signaling proteins than that afforded by traditional immunohistochemical methods. Among more than 1,000 identified pTyr proteins, receptor tyrosine kinase PDGFRB expressed on cancer-associated fibroblasts was validated as an important intercellular signaling regulator with poor expression correlation to ERBB2, and blockade of PDGFRB signaling could efficiently suppress tumor growth. The Photo-pTyr-scaffold approach may become a generic tool for readily profiling dynamic pTyr signaling complexes in clinically relevant samples.
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49
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Xu J, Xie L, Guo W. PDGF/PDGFR effects in osteosarcoma and the "add-on" strategy. Clin Sarcoma Res 2018; 8:15. [PMID: 30083310 PMCID: PMC6071404 DOI: 10.1186/s13569-018-0102-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 06/18/2018] [Indexed: 01/12/2023] Open
Abstract
New treatment options for advanced osteosarcoma have remained limited. The platelet-derived growth factor (PDGF)/platelet-derived growth factor receptor (PDGFR) pathway plays an important role in the development and metastasis of osteosarcoma, via either direct autocrine stimulation of tumor cells, or paracrine stimulation on tumor stromal cells. It promotes angiogenesis to overcome hypoxia in the tumor microenvironment, and modulates tumor interstitial fluid pressure to control the influx and efflux of other agents. Targeting the PDGF/PDGFR pathway is a promising therapeutic method to overcome drug resistance and improve patients' outcome in osteosarcoma. Further evidence is needed to define the detailed mechanism. Results from clinical trials using PDGF/PDGFR inhibitor as a single agent were disappointing, both in osteosarcoma and soft tissue sarcoma. However, when combined with other agents, named as "add-on" strategy, a synergistic antitumor effect has been confirmed in soft tissue sarcoma, and should be attempted in osteosarcoma.
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Affiliation(s)
- Jie Xu
- Peking University People's Hospital, Beijing, 100044 China
| | - Lu Xie
- Peking University People's Hospital, Beijing, 100044 China
| | - Wei Guo
- Peking University People's Hospital, Beijing, 100044 China
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50
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Zobniw CM, Trinh VA, Posey K, Somaiah N. Olaratumab in the management of advanced soft tissue sarcoma. J Oncol Pharm Pract 2018; 25:442-448. [PMID: 30032714 DOI: 10.1177/1078155218788135] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Olaratumab, the first-in-class anti-PDGFRα monoclonal antibody, has been contingently approved in combination with doxorubicin to treat adult patients with advanced soft tissue sarcoma for improving progression-free and overall survival. Olaratumab-doxorubicin combination has tolerable safety profile, which mimics that of doxorubicin monotherapy, with the exception of infusion-related reactions. Survival data of an ongoing confirmatory phase 3 trial are forthcoming to ascertain the optimal role of this product in the management algorithm of advanced soft tissue sarcoma. Active research is ongoing to identify biomarkers predictive of clinical benefit to olaratumab, to expand its utility to the pediatric population, and to explore its safety and efficacy in combination with other active regimens.
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Affiliation(s)
- Chrystia M Zobniw
- 1 Division of Pharmacy, Pharmacy Clinical Programs, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Van Anh Trinh
- 1 Division of Pharmacy, Pharmacy Clinical Programs, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Kristi Posey
- 2 Department of Sarcoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Neeta Somaiah
- 2 Department of Sarcoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
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