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Badodekar N, Sharma A, Patil V, Telang G, Sharma R, Patil S, Vyas N, Somasundaram I. Angiogenesis induction in breast cancer: A paracrine paradigm. Cell Biochem Funct 2021; 39:860-873. [PMID: 34505714 DOI: 10.1002/cbf.3663] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 06/22/2021] [Accepted: 06/29/2021] [Indexed: 12/14/2022]
Abstract
Breast cancer is the most prevalent type of cancer among women globally. Angiogenesis contributes significantly to breast cancer progression and dissemination. Neovascularization is concurrent with the progression and growth of breast cancer. Breast cancer cells control angiogenesis by secreting pro-angiogenic factors like fibroblast growth factor, vascular endothelial growth factor, interleukin, transforming growth factor-β, platelet-derived growth factor and several others. These pro-angiogenic factors trigger neovascularization, and thereby lead to breast cancer development and metastasis. The hypoxia-inducible factor (HIF)-regulated angiogenesis cascade is a crucial underlying factor in breast cancer growth and metastasis. To that end, several efforts have been made to identify druggable targets within the HIF-angiogenesis components. However, escape pathways are a major hindrance for targeted therapies against angiogenesis. Thus, understanding the key factors that trigger breast cancer angiogenesis is critical in elucidating ways to inhibit breast cancer. The current review provides an overview of the key growth factors that trigger breast cancer angiogenesis.
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Affiliation(s)
| | - Akshita Sharma
- Department of Stem Cell and Regenerative Medicine, D. Y. Patil Education Society, Kolhapur, India
| | | | | | - Rakesh Sharma
- Department of Obstetrics and Gynaecology, D. Y. Patil Medical College, Kolhapur, India
| | - Shankargouda Patil
- Department of Maxilofacial Surgery and Diagnostic Sciences, Division of Oral Pathology, College of Dentistry, Jazan University, Jazan, Saudi Arabia
| | | | - Indumathi Somasundaram
- Department of Stem Cell and Regenerative Medicine, D. Y. Patil Education Society, Kolhapur, India
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Miller AK, Brown JS, Enderling H, Basanta D, Whelan CJ. The Evolutionary Ecology of Dormancy in Nature and in Cancer. Front Ecol Evol 2021. [DOI: 10.3389/fevo.2021.676802] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Dormancy is an inactive period of an organism’s life cycle that permits it to survive through phases of unfavorable conditions in highly variable environments. Dormancy is not binary. There is a continuum of dormancy phenotypes that represent some degree of reduced metabolic activity (hypometabolism), reduced feeding, and reduced reproduction or proliferation. Similarly, normal cells and cancer cells exhibit a range of states from quiescence to long-term dormancy that permit survival in adverse environmental conditions. In contrast to organismal dormancy, which entails a reduction in metabolism, dormancy in cells (both normal and cancer) is primarily characterized by lack of cell division. “Cancer dormancy” also describes a state characterized by growth stagnation, which could arise from cells that are not necessarily hypometabolic or non-proliferative. This inconsistent terminology leads to confusion and imprecision that impedes progress in interdisciplinary research between ecologists and cancer biologists. In this paper, we draw parallels and contrasts between dormancy in cancer and other ecosystems in nature, and discuss the potential for studies in cancer to provide novel insights into the evolutionary ecology of dormancy.
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Rossari F, Zucchinetti C, Buda G, Orciuolo E. Tumor dormancy as an alternative step in the development of chemoresistance and metastasis - clinical implications. Cell Oncol (Dordr) 2019; 43:155-176. [PMID: 31392521 DOI: 10.1007/s13402-019-00467-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/17/2019] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND The ability of a tumor to become dormant in response to suboptimal conditions has recently been recognized as a key step in tumor progression. Tumor dormancy has been found to be implicated in several tumor types as the culprit of therapy resistance and metastasis development, the deadliest features of a cancer. Several lines of evidence indicate that the development of these traits may rely on the de-differentiation of committed tumor cells that regain stem-like properties during a dormant state. Presently, dormancy is classified into cell- and population-level, according to the preponderance of cellular mechanisms that keep tumor cells quiescent or to a balance between overall cell division and death, respectively. Cellular dormancy is characterized by autophagy, stress-tolerance signaling, microenvironmental cues and, of prime relevance, epigenetic modifications. It has been found that the epigenome alters during cellular quiescence, thus representing the driving force for short-term cancer progression. Population-level dormancy is characterized by processes that counteract proliferation, such as inappropriate blood supply and intense immune responses. The latter two mechanisms are not mutually exclusive and may affect tumor masses both simultaneously and subsequently. CONCLUSIONS Overall, tumor dormancy may represent an additional step in the acquisition of cancer characteristics, and its comprehension may clarify both theoretical and practical aspects of cancer development. Clinically, only a deep understanding of dormancy may explain the course of tumor development in different patients, thus representing a process that may be targeted to prevent and/or treat advanced-stage cancers. That is especially the case for breast cancer, against which the mTOR inhibitor everolimus displays potent antitumor activity in patients with metastatic disease by impeding autophagy and tumor dormancy onset. Here we will also discuss other targeted therapies directed towards tumor dormancy onset, e.g. specific inhibitors of SFK and MEK, or aimed at keeping tumor cells dormant, e.g. prosaposin derivatives, that may shortly enter clinical assessment in breast, and possibly other cancer types.
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Affiliation(s)
- Federico Rossari
- Institute of Life Sciences, Sant'Anna School of Advanced Studies, 56127, Pisa, Italy. .,Department of Translational Research and of New Surgical and Medical Technologies, University of Pisa, 56126, Pisa, Italy.
| | - Cristina Zucchinetti
- Institute of Life Sciences, Sant'Anna School of Advanced Studies, 56127, Pisa, Italy.,Department of Translational Research and of New Surgical and Medical Technologies, University of Pisa, 56126, Pisa, Italy
| | - Gabriele Buda
- Department of Clinical and Experimental Medicine, Section of Hematology, University of Pisa, 56126, Pisa, Italy
| | - Enrico Orciuolo
- Hematology Unit, Azienda Ospedaliera Universitaria Pisana, 56126, Pisa, Italy
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Kareva I. Escape from tumor dormancy and time to angiogenic switch as mitigated by tumor-induced stimulation of stroma. J Theor Biol 2016; 395:11-22. [PMID: 26826487 DOI: 10.1016/j.jtbi.2016.01.024] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 01/12/2016] [Accepted: 01/13/2016] [Indexed: 11/28/2022]
Abstract
A variety of mechanisms have been proposed to explain "cancer without disease", the state of tumor dormancy, characterized by balance in cell proliferation and cell death within a tumor. Here we have investigated a theoretical construct, whereby one of such mechanisms, the time to induction of angiogenesis, or "angiogenic switch", is mitigated by the degree of stromal stimulation by the tumor. We tested this hypothesis and its implications by introducing a mathematical model that captures how angiogenesis regulators, released from the platelet clot, contribute to formation of normal vasculature. We then modified the model to introduce tumor-induced increase in production of angiogenesis regulators and were able to simulate pathological angiogenesis. Through varying parameters governing the degree of tumor-induced stromal stimulation, we were able to qualitatively replicate experimentally observed growth curves for both dormant and actively growing tumors of breast cancer and liposarcoma. In fact, variation of very few parameters was sufficient to replicate any experimentally observed time to angiogenic switch in the available data. Finally, we investigated the effects of tighter binding isoforms of angiogenesis stimulators on neovasculature formation and tumor growth, which may provide an explanation for variations in angiogenesis -dependence in tumors of different tissue origin.
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Affiliation(s)
- Irina Kareva
- Floating Hospital for Children at Tufts Medical Center, 800 Washington Street, Boston, MA 02111, USA; Mathematical, Computational and Modeling Sciences Center, Arizona State University, Tempe, AZ 85287, USA.
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Abstract
This review discusses quantitative modeling studies of stem and non-stem cancer cell interactions and the fraction of cancer stem cells.
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Affiliation(s)
- Heiko Enderling
- Department of Integrated Mathematical Oncology
- H. Lee Moffitt Cancer Center & Research Institute
- Tampa
- USA
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Moreno AJC, Albiach CF, Soria RM, Vidal VG, Gómez RG, Antequera MA. Oligometastases in prostate cancer: restaging stage IV cancers and new radiotherapy options. Radiat Oncol 2014; 9:258. [PMID: 25497220 PMCID: PMC4272793 DOI: 10.1186/s13014-014-0258-7] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2014] [Accepted: 11/06/2014] [Indexed: 02/08/2023] Open
Abstract
There are various subgroups of patients with metastatic prostate cancer: polymetastatic, oligometastatic, or oligo-recurrent cancers whose progression follows different courses and for whom there are different treatment options. Knowledge of tumor dissemination pathways and different genetic and epigenetic tumor profiles, as well as their evolution during disease progression, along with new diagnostic and therapeutic advances has allowed us to address these situations with local ablative treatments such as stereotactic body radiation therapy or stereotactic radiosurgery. These treatments provide high rates of local control with low toxicity in metastatic spread for primary cancers including those of pulmonary, digestive, and renal origin, while these types of treatments are still emerging for cancers of prostatic origin. There are several retrospective studies showing the effectiveness of such treatments in prostate cancer metastases, which has led to the emergence of prospective studies on the issue and even some phase II studies intended to prevent or delay systemic treatments such as chemotherapy. Here we collect together and review these past experiences and the studies currently underway. These types of radiotherapy treatments redefine how we approach extracranial metastatic disease and open up new possibilities for combination therapy with new systemic treatment agents.
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Affiliation(s)
- Antonio José Conde Moreno
- Servicio de Oncología Radioterápica, Instituto Oncológico de Castellón “Dr. Altava”, Consorcio Hospitalario Provincial de Castellón, Av. Dr. Clarà N 19, 12002 Castellón de la Plana, Castellón Spain
| | - Carlos Ferrer Albiach
- Servicio de Oncología Radioterápica, Instituto Oncológico de Castellón “Dr. Altava”, Consorcio Hospitalario Provincial de Castellón, Av. Dr. Clarà N 19, 12002 Castellón de la Plana, Castellón Spain
| | - Rodrigo Muelas Soria
- Servicio de Oncología Radioterápica, Instituto Oncológico de Castellón “Dr. Altava”, Consorcio Hospitalario Provincial de Castellón, Av. Dr. Clarà N 19, 12002 Castellón de la Plana, Castellón Spain
| | - Verónica González Vidal
- Servicio de Oncología Radioterápica, Instituto Oncológico de Castellón “Dr. Altava”, Consorcio Hospitalario Provincial de Castellón, Av. Dr. Clarà N 19, 12002 Castellón de la Plana, Castellón Spain
| | - Raquel García Gómez
- Servicio de Oncología Radioterápica, Instituto Oncológico de Castellón “Dr. Altava”, Consorcio Hospitalario Provincial de Castellón, Av. Dr. Clarà N 19, 12002 Castellón de la Plana, Castellón Spain
| | - María Albert Antequera
- Servicio de Oncología Radioterápica, Instituto Oncológico de Castellón “Dr. Altava”, Consorcio Hospitalario Provincial de Castellón, Av. Dr. Clarà N 19, 12002 Castellón de la Plana, Castellón Spain
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Kangwan N, Park JM, Kim EH, Hahm KB. Chemoquiescence for ideal cancer treatment and prevention: where are we now? J Cancer Prev 2014; 19:89-6. [PMID: 25337576 PMCID: PMC4204166 DOI: 10.15430/jcp.2014.19.2.89] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2014] [Revised: 06/11/2014] [Accepted: 06/11/2014] [Indexed: 12/12/2022] Open
Abstract
Cellular quiescence is a state of reversible cell cycle arrest and is associated with a low metabolic state featured with decreased glycolysis, reduced translation rates, and activation of autophagy, fundamentally to provide nutrients for cell survival similar as seen in hybernation. As signal for quiescence, inactivating the target of rapamycin kinase and resulting reduced cell growth and biosynthesis are essential, but cellular quiescence is not always associated with reduced metabolism since it is also possible to achieve a state of cellular quiescence in which glucose uptake, glycolysis and flux through central carbon metabolism are not reduced. However, in cancer cells, overcoming intrinsic and acquired resistance of cancer stem or cancer dormancy cells to current clinical treatments can be reversed with the acquisition of chemoquiesence. The development of new drug combinations or strategy to treat the highly aggressive and metastatic cancers including relapsed leukaemias, melanoma and head and neck, brain, lung, breast, ovary, prostate, pancreas as well as gastrointestinal cancers which remain incurable in the clinic in spite of aggressive therapies, can be accelerated with the introduction of chemoquiescence agent, for which cancer stem cells or tumor dormancy should be eradicated or removed. Recently potential applications of metformin or chloroquine as well as the potential drugs under investigation such as proton pump inhibitor, sonic hedgehog inhibitor, and Akt inhibitor, are actively investigated in this field of chemoquiescence to achieve cancer cure far beyond those of chemoprevention. In this review article, the evolving concept of chemoquiescence or cancer dormancy will be introduced accompanied by a description of novel target drug development.
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Affiliation(s)
- Napapan Kangwan
- Cancer Prevention Research Center, CHA University School of Medicine, Seoul, Korea
| | - Jong-Min Park
- Cancer Prevention Research Center, CHA University School of Medicine, Seoul, Korea
| | - Eun-Hee Kim
- Cancer Prevention Research Center, CHA University School of Medicine, Seoul, Korea
| | - Ki Baik Hahm
- Cancer Prevention Research Center, CHA University School of Medicine, Seoul, Korea
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56Fe ion irradiation enhances angiogenesis and other inter-cellular determinants of carcinogenesis risk. JOURNAL OF RADIATION RESEARCH 2014; 55:i124-i126. [PMCID: PMC3941549 DOI: 10.1093/jrr/rrt180] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
In the assessment of radiogenic cancer risk from space flight, it is imperative to consider effects not only on the creation of cancer cells (initiation) but also on cell–cell interactions that play an important and often decisive role in the promotion and progression phases. Autopsy results confirm that most adults carry fully malignant tumors that are held in check at a small size and will never become symptomatic [ 1 , 2 ]. This introduces the possibility that cosmic radiation may significantly influence cancer risk through alteration of the bottleneck inter-tissue interactions responsible for maintaining this dormant state. One such bottleneck is the growth limitation imposed by the failure of the tumor to induce blood vessels (angiogenesis). Other deciding events are the ability of a tumor to proliferate and invade. We have previously shown that proton radiation, the most prevalent radiation in space, has a suppressive effect on all three of these functional responses. It down-regulates angiogenic genes like VEGF and HIF-1α and impairs cell invasion and tumor growth [ 3 ]. We decided to test these responses after 56Fe irradiation, an HZE radiation type present in the cosmic environment with presumably high carcinogenic potential [ 4 ]. Human microvascular endothelial cells (HMVEC) and normal human dermal fibroblast (NHDF) cells were irradiated with different doses of 56Fe ion radiation (1 GeV/n) at Brookhaven National Laboratory and RNA was extracted 6 h later. Genomic-wide array analysis was done on the isolated RNA through the Agilent Platform. It was observed that several pro-angiogenic genes like VEGF, IL-6 and HIF-1α were significantly up-regulated after treatment with 56Fe ion radiation (Fig. 1 ). These results were also confirmed at the mRNA and protein levels with the human and murine lung cancer lines, A549 and LLC, respectively. Additional verification of modulation of these key genes was also observed when lungs of C57BL/6 mice treated with 56Fe ion radiation showed an increase in VEGF and MMP9 mRNA and protein expression 6 h post-irradiation (Fig. 2 ). Cell invasion was shown to be increased by 56Fe ion radiation in various cell types, including fibroblast, tumor and endothelial progenitor cells. 56Fe ion irradiation also modulated functional processes crucial to angiogenesis. It enhanced the ability of untargeted (bystander) endothelial cells to invade and proliferate in response to factors produced by targeted fibroblast or cancer cells in vitro . Results also carry over to in vivo . C57BL/6 mice exposed to whole-body irradiation with 0.2 Gy dose of 56Fe and injected subcutaneously with LLC tumor cells showed a significant augmentation in tumor growth and growth rate in the irradiated group. Additionally, nude mice exposed to whole-body 56Fe radiation and injected intravenously with A549 cancer cells 3 h post-irradiation demonstrated a significant enhancement in lung colonization capacity when compared with the sham-irradiated control mice injected. These results together suggest cell and tissue-level responses to 56Fe irradiation may act to overcome major cancer progression-level bottlenecks including those related to angiogenesis, cell proliferation and invasion. This is of significant concern for cancer risk estimations pertinent to NASA as achieving these cancer hallmark processes can make the difference between a radiation-induced cancer cell progressing to a clinically detectable cancer in astronauts or not. In conclusion, we demonstrate a strong radiation quality dependence for space radiation carcinogenesis risk manifested through influences on intercellular interactions in the progression phase of carcinogenesis. Fig. 1.Heatmaps of selected differentially regulated major angiogenesis genes after proton and 56Fe ion radiation in HMVECs and NHDF. Cells were treated with either 0, 0.5, 1 or 2 Gy of proton radiation or 0, 0.2, 0.4 or 1 Gy of 56Fe ion dose. Among the major regulated genes were VEGF, HIF-1A and IL-6; they were down-regulated by proton radiation and up-regulated by iron radiation. Fig. 2.Immunofluorescence images of lungs of C57BL/6 mice treated with 0, 0.2 or 1 Gy of 56Fe ion dose and stained 6 h later. Pro-angiogenic factors VEGF and MMP9 were increased in mice that received the 56Fe ion treatment.
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Hlatky L, Hahnfeldt P. Beyond the cancer cell: progression-level determinants highlight the multiscale nature of carcinogenesis risk. Cancer Res 2013; 74:659-64. [PMID: 24272486 DOI: 10.1158/0008-5472.can-13-2508] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Over the last several decades, improved awareness of the prevalence of carcinogens in the environment, along with a growing appreciation of the complexity of the carcinogenesis process, has shifted policy on cancer risk from one of strict avoidance of carcinogens to one of adherence to exposure limits deemed "safe" based on quantitative risk estimation. Meanwhile, given the mutagenic nature of most carcinogens, attention has gravitated to developing a genetic rationale for measuring and comparing risks. This focus has culminated in the now well-established multistage mutational paradigm, which holds that a stepwise sequence of mutations drives cell "initiation" and the subsequent "transformation" of an initiated cell into a cancer cell, and that, once created, a cancer cell will inevitably undergo "progression" to become overt disease. Unanticipated by this paradigm is the effect progression-phase population- and tissue-level bottleneck events may have on this process. Attesting to this is the prevalence of tumor dormancy, a state of arrested growth of an otherwise fully malignant, often microscopic cancer mass, maintained by interactions among cancer cells and between cancer and host cells. The proper inclusion of such progression-modifying influences would clearly behoove risk estimation and improve our understanding of the natural history of cancer by accounting for the less-than-certain risk of eventual cancer disease even when cancer cells are present. Such an improved understanding, in turn, stands to better inform policy-making and influence such clinical practice decisions as whether to treat the increasingly smaller tumors detectable with advancing technologies.
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Affiliation(s)
- Lynn Hlatky
- Authors' Affiliation: Center of Cancer Systems Biology, Genesys Research Institute, Tufts University School of Medicine, Boston, Massachusetts
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Beheshti A, Pinzer BR, McDonald JT, Stampanoni M, Hlatky L. Early tumor development captured through nondestructive, high resolution differential phase contrast X-ray imaging. Radiat Res 2013; 180:448-54. [PMID: 24125488 DOI: 10.1667/rr13327.1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Although a considerable amount is known about molecular dysregulations in later stages of tumor progression, much less is known about the regulated processes supporting initial tumor growth. Insight into such processes can provide a fuller understanding of carcinogenesis, with implications for cancer treatment and risk assessment. Work from our laboratory suggests that organized substructure emerges during tumor formation. The goal here was to examine the feasibility of using state-of-the-art differential phase contrast X-ray imaging to investigate density differentials that evolve during early tumor development. To this end the beamline for TOmographic Microscopy and Coherent rAdiology experimenTs (TOMCAT) at the Swiss Light Source was used to examine the time-dependent assembly of substructure in developing tumors. Differential phase contrast (DPC) imaging based on grating interferometry as implemented with TOMCAT, offers sensitivity to density differentials within soft tissues and a unique combination of high resolution coupled with a large field of view that permits the accommodation of larger tissue sizes (1 cm in diameter), difficult with other imaging modalities.
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Affiliation(s)
- A Beheshti
- a Center of Cancer Systems Biology, GRI, Tufts University School of Medicine, Boston, Massachusetts
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