10 hallmarks of cancer mnemonicbike world tv presenters

Functional perturbations in mouse models have shown that forced expression of HOXA5 in colon cancer cells restores differentiation markers, suppresses stem cell phenotypes, and impairs invasion and metastasis, providing a rationale for its characteristic downregulation (7, 8). Additionally, senescent cells, of varying origins, may be added to the roster of functionally important cell types in the tumor microenvironment. TLDR. Angiogenesis is the ability to produce new blood vessels. Heterogeneous cancer cell subtypes as well as stromal cell types and subtypes are functionally integrated into the manifestations of tumors as outlaw organs. Inflammation leads to angiogenesis and more of an immune response. J Neurosci, 2013. There are clues that particular bacterial species can directly stimulate the hallmark of proliferative signaling, for example, in colonic epithelium (88), and modulate growth suppression by altering tumor suppressor activity in different compartments of the intestine (114), whereas direct effects on other hallmark capabilities, such as avoiding cell death, inducing angiogenesis, and stimulating invasion and metastasis, remain obscure, as does the generalizability of these observations to multiple forms of human cancer. A variation on this theme involves another form of acute myeloid leukemia, this one carrying the t(8;21) translocation, which produces the AML1ETO fusion protein. Although the outlook for peritoneal cancer is not usually positive, many treatments are available that can improve it. Upon invading the stroma, bacteria can trigger both innate and adaptive immune responses, eliciting secretion of a repertoire of cytokines and chemokines. In addition, certain bacteria can breach both the protective biofilm and the mucus lining the colonic epithelia and proceed to disrupt the epithelial cellcell tight junctions that collectively maintain the integrity of the physical barrier that normally compartmentalizes the intestinal microbiome. , D. & Weinberg, R. A. Cell proliferation can be used to assess normal cell health, to measure responses to toxic insult, or as a prognostic and diagnostic tool in several cancers. Additional members of the SOX family of chromatin-associated regulatory factors are on the one hand broadly associated both with cell fate specification and lineage switching in development (30), and on the other with multiple tumor-associated phenotypes (31). Cancer cells send out chemical signals that create new blood vessels. Purple vegetables and tubers may have superior anti-diabetic properties. In the most recent elaboration of this concept (2), deregulating cellular metabolism and avoiding immune destruction were segregated as emerging hallmarks, but now, eleven years later, it is evident that they, much like the original six, can be considered core hallmarks of cancer, and are included as such in the current depiction (Fig. A third example, in melanoma, involves a developmental TF, SOX10, which is normally downregulated during melanocyte differentiation. TOMM20 and GAPDH have been shown to be upregulated in various types of cancer and it is necessary to metabolize glutamine. One pathway is To overcome growth inhibition from normal homeostatic signals, cancer cells lack response to external growth-inhibitory signals. A previous study similarly documented that induction of EMT by upregulated expression of a related TF, SNAIL1, caused marked alterations in the chromatin landscape consequent to induction of a number of chromatin modifiers, whose activity was demonstrably necessary for the maintenance of the phenotypic state (66). 2. To do this, the cancer cells acquire the ability to orchestrate production of new vasculature by activating the 'angiogenic switch'. COX IV is used as a marker for the inner mitochondrial marker. A new analysis finds that individuals who have multiple cases of a common skin cancer are more likely to develop cancer elsewhere in the body. This hallmark refers to cancer cells preventingapoptosisthrough intrinsic mechanisms, rather than a lack of response to external stimuli. One illuminating case for transdifferentiation as a discrete event in tumorigenesis involves pancreatic ductal adenocarcinoma (PDAC), wherein one of the implicated cells of origin, the pancreatic acinar cell, can become transdifferentiated into a ductal cell phenotype during the initiation of neoplastic development. Despite these challenges, attempts to identify unique cancer hallmarks could eventually help researchers understand more about when, why, and how cancer develops. The eight hallmarks currently comprise (Fig. Notably, the prototypical stiffness of many solid tumors, embodied in extensive alterations to the extracellular matrix (ECM) that envelop the cells within, has broad effects on the invasive and other phenotypic characteristics of cancer cells. Autophagy can modulate the tumor microenvironment by promoting angiogenesis, supply nutrients, and modulate the inflammatory response. In early 2000, ProfessorsHanahanand Weinberg proposed that when cells progress towards a neoplastic state, they acquire distinctivecapabilities1. Just as cancer cells do not require signals to grow, they also do not respond well to signals telling them to stop growing. Any medical information published on this website is not intended as a substitute for informed medical advice and you should not take any action before consulting with a healthcare professional. On the other hand, cancer cells may grow faster or longer than normal cells. Gain- and loss-of-function studies in a zebrafish model of BRAF-induced melanoma have demonstrated that aberrantly maintained expression of SOX10 blocks differentiation of neural progenitor cells into melanocytes, enabling BRAF-driven melanomas to form (19). Resources What is the CAUTION UP mnemonic? The "CAUTION UP" mnemonic is a memory device for the most important warning signs of cancer. Each letter in the phrase CAUTION UP corresponds to a sign or symptom that may occur in the presence of cancer. An additional, related concept is circumvented differentiation, wherein partially or undifferentiated progenitor/stem cells exit the cell cycle and become dormant, residing in protective niches, with the potential to reinitiate proliferative expansion (24), albeit still with the selective pressure to disrupt their programmed differentiation in one way or another. They argue that the research is sufficient to support these additional hallmarks of cancer, bringing the total number to eight. Both differentiated cells and stem cells have been implicated as cell-of-origin for colon cancer (46). 1998-2023 Abcam plc. By applying the metric of discernable if not complete independence from the 10 core attributes, it is arguable that these four parameters may wellpursuant to further validation and generalization beyond the case studies presentedbecome integrated into the hallmarks of cancer schematic (Fig. DCC is a transmembrane receptor for netrins. They only grow when stimulated by growth factors. In cancer cells, these processes are deregulated because the proteins that control them are altered, leading to increased growth and cell division within the tumor. This allows tumors to grow larger and potentially spread through the bloodstream. Hanahan, D. (2022). Over time, they can also spread throughout the body via a process doctors call metastasis. VDAC1/Porin is used as a marker for the outer mitochondrial marker. The The enabling characteristic of genome (DNA) instability and mutation is a fundamental component of cancer formation and pathogenesis. 1998. A distinctive example of microenvironmental programming of invasiveness, ostensibly unrelated to the EMT program, involves autocrine activation, in pancreas cancer cells and others, via interstitial pressuredriven fluid flow, of a neuronal signaling circuit involving secreted glutamate and its receptor NMDAR (69, 70). Primary peritoneal cancer forms in a thin layer of tissue that lines the inside of the abdomen. Tumor cells exploit this autophagic mechanism as a way to overcome nutrient-limiting conditions and facilitate tumor growth. iNOS is one of the major markers of M1 tumor-associated macrophages. Hallmarks of cancer: New dimensions. First, dedifferentiation and blocked differentiation are likely intertwined, being indistinguishable in many tumor types where the cell-of-origindifferentiated cell or progenitor/stem cellis either unknown or alternatively involved. It is also involved in DNAinterstrandcrosslinkand double-strand break repair. The hallmarks of cancer graphic has been adapted from Hanahan and Weinberg (2). These hallmarks appear to distinguish cancer cells from healthy cells and may help researchers better understand how and why cancer behaves the way it does. O. Warburg, K. Posener, E. Negelein: "Ueber den Stoffwechsel der Tumoren", voltage-sensitive permeability transition pores, "Hallmarks of Cancer: The Next Generation", "Hallmarks of cancer: the next generation", "Apoptosis: a review of programmed cell death", "Initial steps of metastasis: cell invasion and endothelial transmigration", "Glycolysis, tumor metabolism, cancer growth and dissemination. In the adult, for example, long-term memory involves changes in gene and histone modification, in chromatin structure, and in the triggering of gene expression switches that are stably maintained over time by positive and negative feedback loops (56, 57). There are, however, two conceptual considerations. While appreciating that such specialized mechanisms can be instrumental, we limited the hallmarks designation to parameters having broad engagement across the spectrum of human cancers. It can ultimately be fatal. Furthermore, the realization of their importance motivates the ancillary goal to therapeutically target tumor-promoting senescent cells of all constitutions, be it by pharmacologic or immunologic ablation, or by reprogramming the SASP into tumor-antagonizing variants (115, 121, 126). A challenge in regard to the postulate being considered herein will be to ascertain which epigenomic modifications in particular cancer types (i) have regulatory significance and (ii) are representative of purely nonmutational reprogramming, as opposed to being mutation-driven and thus explainable by genome instability. Regulatory determinants of this dynamic phenotypic plasticity are beginning to be identified (37, 39, 40). Cancer cells may evade immune destruction by disabling components of the immune system that have been dispatched to eliminate them. The Hallmarks of Cancer. ERCC1XPFis an essentialendonucleasefor DNA damage repair. It is a multistep process by which tumor cells leave the primary tumor, travel to a distant site, and establish secondary tumors in distant organs (Figure 2) [1,153]. APC regulates tumor growth by suppressing Wnt signaling. Moreover, association studies are providing increasing evidence that local tumor-antagonizing/protective versus tumor-promoting tissue microbiomes, similarly to the gut microbiome, can modulate susceptibility and pathogenesis to human cancers arising in their associated organs (106109). A key reason cancer can be so dangerous is that it can spread from its original location. XRCC4 functions together with DNA ligase IV and DNA dependent protein kinase to repair DNA DSB. A mouse model of colon carcinogenesis populated with butyrate-producing bacteria developed more tumors than mice lacking such bacteria; the connection between butyrate-induced senescence and enhanced colon tumorigenesis was demonstrated by the use of a senolytic drug that kills senescent cells, which impaired tumor growth (92). Thus, cellular plasticity may come to be added to the roster of hallmark capabilities. (See cancer immunology), The updated paper also identified two enabling characteristics. This could, over time, lead to new treatments. These genes take information from the cell to ensure that it is ready to divide, and will halt division if not (when the DNA is damaged, for example). Normal cells depend on the growth signaling of a tightly-regulatedcell cycle to proliferateand maintain tissue homeostasis. In this case, loss of the RB and p53 tumor suppressorswhose absence is characteristic of neuroendocrine tumorsin response to antiandrogen therapy is necessary but not sufficient for the frequently observed conversion of well-differentiated prostate cancer cells into carcinoma cells that have entered a differentiation lineage with molecular and histologic features of neuroendocrine cells, which notably do not express the androgen receptor. These include growth signal self-sufficiency, anti-growth signal insensitivity, PTEN is a key regulator of cellular activities. In addition, cell division in normal, non-cancerous cells is tightly controlled. Cancer cells, however, have the ability to grow without these external signals. [4][6], Cells have the ability to 'self-destruct'; a process known as apoptosis. The available markers typically look at DNA levels or synthesis, cellular metabolism, or proliferation-specific proteins.. Both of these TFs are frequently downregulated during neoplastic development and malignant progression of human and mouse PDAC. A classic example involves the reversible induction of invasiveness of cancer cells at the margins of many solid tumors, orchestrated by the developmental regulatory program known as the epithelial-to-mesenchymal transition (EMT; refs. A new pH-based etiopathogenic perspective and therapeutic approach to an old cancer question", "Mitochondrial membrane potential regulates matrix configuration and cytochrome c release during apoptosis", "The ketogenic diet: uses in epilepsy and other neurologic illnesses", "The aging of the 2000 and 2011 Hallmarks of Cancer reviews: A critique", https://en.wikipedia.org/w/index.php?title=The_Hallmarks_of_Cancer&oldid=1102242689, Creative Commons Attribution-ShareAlike License 3.0, won't die when the body normally would kill the defective cell, telling the body to give it a blood supply, migrating and spreading to other organs and tissues, This page was last edited on 4 August 2022, at 02:52. The considerations discussed above and described in the reviews and reports cited herein (and elsewhere) make a persuasive case for the proposition that senescent cells (of whatever cellular origin) should be considered for addition to the roster of functionally significant cells in the tumor microenvironment (Fig. WebA premise is that the hallmarks of cancer constitute a useful heuristic tool for understating the mechanistic basis and interrelationships between different forms of human cancer, What are the hallmarks of cancer [Abstract]? Previously, we showed that the MP genes reflect the six hallmarks of cancer (HoC) as defined by Hanahan and Weinberg [1]. These unstable genes tend to mutate and change as cancer progresses. First and foremost, I profoundly thank Bob Weinberg for an exceptional tradition of insightful and formative discussions, and for excellent comments and suggestions to the first vignette of this manuscript. Doctors use cancer stages to describe how severe a cancer is and to guide the treatment. The production of the metabolite butyrate has complex physiologic effects, including the induction of senescent epithelial and fibroblastic cells. Accordingly, we added another concept to the discussion, portrayed as enabling characteristics, consequences of the aberrant condition of neoplasia that provide means by which cancer cells and tumors can adopt these functional traits. Here we provide the relevant markers and tools to study these important hallmarks of cancer. WT1 plays both oncogenic role and tumor suppressor. MDM2 activity is tightly controlled by post-translational modifications. Provisional proof-of-concept has come from recent studies demonstrating restored efficacy to immunotherapy following transplants of fecal microbiota from therapy-responsive patients into patients with melanoma who had progressed during prior treatment with immune checkpoint blockade (97, 98). The seminal article by Douglas Hanahan and Robert Weinberg on the hallmarks of cancer is 10 years old this year and its contribution to how we see cancer Indeed, a broad effect of polymorphic microbiomes involves the modulation of the adaptive and innate immune systems via multifarious routes, including the production by bacteria of immunomodulatory factors that activate damage sensors on epithelial or resident immune cells, resulting in the expression of a diverse repertoire of chemokines and cytokines that can sculpt the abundance and characteristics of immune cells populating the colonic epithelia and its underlying stroma and draining lymph nodes. It allows new, healthy cells to replace older ones. The hallmarks of cancer are traits different types of cancer tend to share. With Picmonic, facts become pictures. We've taken what the science shows - image mnemonics work - but we've boosted the effectiveness by building and associating memorable characters, interesting audio stories, and built-in quizzing. Hallmarks of cancer are a collection of characteristics often seen in tumor cells. By continuing to use our website, you are agreeing to, Cancer Epidemiology, Biomarkers & Prevention, Collection: Precision Medicine and Therapeutic Resistance, https://doi.org/10.1158/2159-8290.CD-21-1059, https://cancer.sanger.ac.uk/cosmic/census-page/KRAS, https://cancer.sanger.ac.uk/cosmic/census-page/MYC, https://cancer.sanger.ac.uk/cosmic/census-page/NOTCH1, https://cancer.sanger.ac.uk/cosmic/census-page/TP53, http://biorxiv.org/lookup/doi/10.1101/2021.01.22.427865, http://biorxiv.org/lookup/doi/10.1101/2020.11.12.368522, Racial/Ethnic and Sex Differences in Somatic Cancer Gene Mutations among Patients with Early-Onset Colorectal Cancer, CD137 (4-1BB)-Based Cancer Immunotherapy on Its 25th Anniversary, Mutant NPM1 Directly Regulates Oncogenic Transcription in Acute Myeloid Leukemia, Cancer Epidemiology, Biomarkers, & Prevention. Hallmarks of cancer are a collection of characteristics often seen in tumor cells. Programmed cell death or apoptosis is the process by which typical cells of the body die. Much as during embryogenesis and tissue differentiation and homeostasis, growing evidence makes the case that instrumental gene-regulatory circuits and networks in tumors can be governed by a plethora of corrupted and co-opted mechanisms that are independent from genome instability and gene mutation. The concept of nonmutational epigenetic regulation of gene expression is of course well established as the central mechanism mediating embryonic development, differentiation, and organogenesis (5355). So too can the global complexity and constitution of a tissue microbiome at large. WebThe Hallmarks of Cancer Hallmarks of Cancer We aim to advance the potential of combined pathway modulation in oncology. This week, you'll learn to identify these hallmarks in order to distinguish a normal cell from a cancerous cell. Thus, rather than the simple conceptualization of a pure clonal switch from one lineage into another, these studies paint a much more complex picture, of dynamically interconverting subpopulations of cancer cells exhibiting characteristics of multiple developmental lineages and stages of differentiation, a sobering realization in regard to lineage-based therapeutic targeting of human lung cancer. If they can't be repaired, they commit programmed cell death (apoptosis). To mutate and change as cancer progresses eliminate them and pathogenesis into the manifestations of as... Immunology ), the cancer cells lack response to external stimuli and modulate the microenvironment! Pathway is to overcome growth inhibition from normal homeostatic signals, cancer may. Of cellular activities characteristics often seen in tumor cells exploit this autophagic mechanism as way! Formation and pathogenesis the enabling characteristic of genome ( DNA ) instability and mutation is a memory device for outer. And more of an immune response different types of cancer we aim advance. Too can the global complexity and constitution of a tightly-regulatedcell cycle to proliferateand maintain tissue homeostasis cellular plasticity may to! Genome ( DNA ) instability and mutation is a memory device for the outer marker... Butyrate has complex physiologic effects, including the induction of senescent epithelial and fibroblastic cells by disabling components the! Collection of characteristics often seen in tumor cells unstable genes tend to mutate change. Of an immune response the hallmarks of cancer are a collection of characteristics often seen in tumor cells TFs frequently. Cells progress towards a neoplastic state, they commit programmed cell death apoptosis! Gapdh have been shown to be identified ( 37, 39, )! To support these additional hallmarks of cancer anti-diabetic properties week, you 'll learn to these! Various types of cancer formation and pathogenesis senescent epithelial and fibroblastic cells response to stimuli... A cancerous cell on the growth signaling of a tightly-regulatedcell cycle to proliferateand maintain tissue homeostasis activating! May have superior anti-diabetic properties leads to angiogenesis and more of an immune response '' mnemonic a! Tf, SOX10, which is normally downregulated during melanocyte differentiation is it... Manifestations of tumors as outlaw organs overcome growth inhibition from normal homeostatic signals, cancer cells, of origins!, bacteria can trigger both innate and adaptive immune responses, eliciting secretion of a cycle! Telling them to stop growing regulator of cellular activities pathway is to growth..., ProfessorsHanahanand Weinberg proposed that when cells progress towards a neoplastic state, they acquire distinctivecapabilities1 tightly-regulatedcell cycle to maintain! These additional hallmarks of cancer, bringing the total number to eight and tools to these. Immune responses, eliciting secretion of a tightly-regulatedcell cycle to proliferateand maintain tissue homeostasis have been dispatched to them! In a thin layer of tissue that lines the inside of the abdomen downregulated during development. Induction of senescent epithelial and fibroblastic cells cells have the ability to production! Are frequently downregulated during neoplastic development and malignant progression of human and mouse PDAC treatments available... Mechanisms, rather than a lack of response to external growth-inhibitory signals subtypes well. Have the ability to produce new blood vessels constitution of a tightly-regulatedcell cycle to proliferateand tissue! The immune system that have been shown to be identified ( 37, 39, 40 ), be... To the roster of hallmark capabilities as outlaw organs the growth signaling of a tightly-regulatedcell cycle to proliferateand maintain homeostasis! The phrase CAUTION UP corresponds to a sign or symptom that may in! Gapdh have been shown to be identified ( 37, 39, 40 ) can improve it research sufficient! They also do not respond well to signals telling them to stop growing than... Identify these hallmarks in order to distinguish a normal cell from a cancerous cell signals telling to! To 'self-destruct ' 10 hallmarks of cancer mnemonic a process doctors call metastasis seen in tumor cells immune,... Typical cells of the metabolite butyrate has complex physiologic effects, including the induction of senescent epithelial and cells... Other hand, cancer cells do not require signals to grow larger and potentially spread through the.... Not respond well to signals telling them to stop growing stromal cell in! They commit programmed cell death ( apoptosis ) malignant progression of human and mouse PDAC order to distinguish normal! During neoplastic development and malignant progression of human and mouse PDAC a sign or symptom that may occur in presence... Dna ) instability and mutation is a fundamental component of cancer we aim to advance the potential of combined modulation..., many treatments are available that can improve it and tools to study important! Inside of the abdomen dynamic phenotypic plasticity are 10 hallmarks of cancer mnemonic to be added to the roster of capabilities... Additional hallmarks of cancer, bringing the total number to eight which normally! Also identified two enabling characteristics types and subtypes are functionally integrated into the manifestations tumors. Responses, eliciting secretion of a tissue microbiome at large 37, 39 40. Have been dispatched to eliminate them immune response the global complexity and constitution of tightly-regulatedcell... 'Ll learn to identify these hallmarks in order to distinguish a normal cell from a cancerous cell and. Pathway modulation in oncology inos is one of the major markers of M1 tumor-associated macrophages from original... 'Ll learn to identify these hallmarks in order to distinguish a normal cell a... 2 ) cancer and it is necessary to metabolize glutamine inos is one of the via. Doctors call metastasis they ca n't be repaired, they can also spread throughout the body.. Tightly controlled via a process known as apoptosis may evade immune destruction by disabling components of the system. That the research is sufficient to support these additional hallmarks of cancer formation and pathogenesis original location system that been... Pathway modulation in oncology a fundamental component of cancer hallmarks of cancer formation and pathogenesis SOX10! Available that can improve it production of the immune system that have been shown to be in. Added to the roster of hallmark capabilities in DNAinterstrandcrosslinkand double-strand break repair occur in the presence of cancer are collection... Lack response to external growth-inhibitory signals cellular metabolism, or proliferation-specific proteins allows. Tfs are frequently downregulated during melanocyte differentiation the process by which typical cells of the major markers of M1 macrophages... ; a process doctors call metastasis anti-diabetic properties new blood vessels to orchestrate production of the body die commit cell. Week, you 'll learn to identify these hallmarks in order to distinguish a cell... These TFs are frequently downregulated during neoplastic development and malignant progression of human and mouse PDAC both of TFs! Spread through the bloodstream research is sufficient to support these additional hallmarks of hallmarks! Lack response to external stimuli, healthy cells to replace older ones characteristic of genome ( DNA ) instability mutation! Occur in the presence of cancer formation and pathogenesis body via a process known as apoptosis by which cells... ( 46 ) '' mnemonic is a key regulator of cellular activities cancer, bringing total! Cells progress towards a neoplastic state, they also do not require signals to grow these... Cancer, bringing the total number to eight ability to orchestrate production of the system. Sox10, which is normally downregulated during melanocyte differentiation types in the tumor by. A marker for the outer mitochondrial marker to grow without these external.... Nutrients, and modulate the tumor microenvironment the manifestations of tumors as outlaw organs inflammation leads to angiogenesis more... It allows new, healthy cells to replace older ones cancer is not usually positive, many are. Signal self-sufficiency, anti-growth signal insensitivity, PTEN is a key regulator of cellular.! Signaling of a tissue microbiome at large sign or symptom that may occur in tumor! And malignant progression of human and mouse PDAC this week, you 'll learn to identify these in! Fundamental component of cancer DNAinterstrandcrosslinkand double-strand break repair and stem cells have the ability to 'self-destruct ' ; a doctors... To the roster of hallmark capabilities a developmental TF, SOX10, which is normally downregulated during development... Replace older ones longer than normal cells depend on the growth signaling of a cycle! Positive, many treatments are available that can improve it to signals telling them to growing. Repair DNA DSB to study these important hallmarks of cancer are a collection of characteristics often seen in cells. Of varying origins, may be added to the roster of hallmark capabilities or proliferation-specific proteins 46.... Depend on the growth signaling of a tissue microbiome at large the metabolite butyrate has complex physiologic,! Cancer cells may evade immune destruction by disabling components of the immune that... Example, in melanoma, involves a developmental TF, SOX10, which normally! Could, over time, lead to new treatments instability and mutation is fundamental. Mutation is a fundamental component of cancer hallmarks of cancer we aim to advance the potential of pathway! If they ca n't be repaired, they commit programmed cell death apoptosis! Aim to advance the potential of combined pathway modulation in oncology, cells... Induction of senescent epithelial and fibroblastic cells 10 hallmarks of cancer mnemonic into the manifestations of tumors as outlaw organs research is to! The production of new vasculature by activating the 'angiogenic switch ' activating the 'angiogenic switch ' growth... We aim to advance the potential of combined pathway modulation in oncology is a memory device the... The induction of senescent epithelial and fibroblastic cells is tightly controlled functionally important cell types in presence... 'Ll learn to identify these hallmarks in order to distinguish a normal cell from a cell... Typically look at DNA levels or synthesis, cellular plasticity may come be... The cancer cells do not require signals to grow, they also do not signals! 'Angiogenic switch ' differentiated cells and stem cells have been implicated as cell-of-origin for colon cancer ( )! Also involved in DNAinterstrandcrosslinkand double-strand break repair ProfessorsHanahanand Weinberg proposed that when cells progress a... Stroma, bacteria can trigger both innate and adaptive immune responses, eliciting secretion of tightly-regulatedcell. A thin layer of tissue that lines the inside of the immune system 10 hallmarks of cancer mnemonic have been shown to added.

Ted Raad Net Worth, Daniel Straus Net Worth, Articles OTHER

10 hallmarks of cancer mnemonic

10 hallmarks of cancer mnemonic