mouse tumor ulceration

.widget { Use of body condition scoring as an adjunct endpoint for tumor growth studies. How the wound affects you will depend on where it is on your body. line-height: 32px; What Was The Significance Of The Battle Of Yorktown Quizlet, ILAR J 2000;41:87-93, Workman P, Aboagye EO, Balkwill F, et al. Restlessness/inability to get comfortable, Unconsciousness with no response to external stimuli. This way your doctor can pick up any early signs of problems. margin-top: 40px; {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://www.fondation-fhb.org/#organization","name":"Fondation F\u00e9lix Houphou\u00ebt-Boigny pour la recherche de la paix","url":"https://www.fondation-fhb.org/","sameAs":["http://www.facebook.com/fondationfhb","http://fondationfhb","http://www.youtube.com/fondationfhb","https://twitter.com/fondationfhb"],"logo":{"@type":"ImageObject","@id":"https://www.fondation-fhb.org/#logo","inLanguage":"en-GB","url":"https://www.fondation-fhb.org/wp-content/uploads/2019/03/logo_ffhb.png","contentUrl":"https://www.fondation-fhb.org/wp-content/uploads/2019/03/logo_ffhb.png","width":108,"height":56,"caption":"Fondation F\u00e9lix Houphou\u00ebt-Boigny pour la recherche de la paix"},"image":{"@id":"https://www.fondation-fhb.org/#logo"}},{"@type":"WebSite","@id":"https://www.fondation-fhb.org/#website","url":"https://www.fondation-fhb.org/","name":"F\u00e9lix Houphou\u00ebt-Boigny Foundation for Peace Research","description":"","publisher":{"@id":"https://www.fondation-fhb.org/#organization"},"potentialAction":[{"@type":"SearchAction","target":"https://www.fondation-fhb.org/?s={search_term_string}","query-input":"required name=search_term_string"}],"inLanguage":"en-GB"},{"@type":"WebPage","@id":"https://www.fondation-fhb.org/2021/05/21/ljvxentm/#webpage","url":"https://www.fondation-fhb.org/2021/05/21/ljvxentm/","name":"mouse tumor ulceration - F\u00e9lix Houphou\u00ebt-Boigny Foundation for Peace Research","isPartOf":{"@id":"https://www.fondation-fhb.org/#website"},"datePublished":"2021-05-21T04:48:28+00:00","dateModified":"2021-05-21T04:48:28+00:00","breadcrumb":{"@id":"https://www.fondation-fhb.org/2021/05/21/ljvxentm/#breadcrumb"},"inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["https://www.fondation-fhb.org/2021/05/21/ljvxentm/"]}]},{"@type":"BreadcrumbList","@id":"https://www.fondation-fhb.org/2021/05/21/ljvxentm/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"item":{"@type":"WebPage","@id":"https://www.fondation-fhb.org/en/home/","url":"https://www.fondation-fhb.org/en/home/","name":"Home"}},{"@type":"ListItem","position":2,"item":{"@type":"WebPage","@id":"https://www.fondation-fhb.org/en/activities/","url":"https://www.fondation-fhb.org/en/activities/","name":"Activities"}},{"@type":"ListItem","position":3,"item":{"@type":"WebPage","@id":"https://www.fondation-fhb.org/2021/05/21/ljvxentm/","url":"https://www.fondation-fhb.org/2021/05/21/ljvxentm/","name":"mouse tumor ulceration"}}]},{"@type":"Article","@id":"https://www.fondation-fhb.org/2021/05/21/ljvxentm/#article","isPartOf":{"@id":"https://www.fondation-fhb.org/2021/05/21/ljvxentm/#webpage"},"author":{"@id":""},"headline":"mouse tumor ulceration","datePublished":"2021-05-21T04:48:28+00:00","dateModified":"2021-05-21T04:48:28+00:00","mainEntityOfPage":{"@id":"https://www.fondation-fhb.org/2021/05/21/ljvxentm/#webpage"},"commentCount":0,"publisher":{"@id":"https://www.fondation-fhb.org/#organization"},"articleSection":"Uncategorized","inLanguage":"en-GB","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https://www.fondation-fhb.org/2021/05/21/ljvxentm/#respond"]}]}]} "O)d2p&{2~GViuH^:M=p2blt,{x :XDN0CCou_Hu^%D4v +6CzXL(v[c$u>y//$]-.3j#c+@^KKL. A statistical analysis targeting Phosphatidylinositol 3-kinase (PI3K) activating mutations caught our attention at the 2022 American Society for Clinical Oncology (ASCO) meeting. PDF Guidelines for Tumor Production in Rats and Mice - University of North NCI Frederick ACUC Guidelines Involving Experimental Neoplasia Proposals in Mice and Rats, 2006. This review discusses the current immunocompetent and immunocompromised mouse models of human tumors that are used to evaluate the effectiveness of immunotherapeutic agents, in particular chimeric antigen receptor (CAR) T-cells and immune checkpoint inhibitors. You should especially do so if you have any new symptoms, such as unexplained skin lumps or sores. National Library of Medicine Things may not appear as intended. Surprisingly, some mice showed ulceration in their tumors at tumor size around 200-300 mm3 much below the humane endpoint. 8600 Rockville Pike Made with peanut butter and with a soft texture, its great taste promotes consumption and provides supplemental caloric and nutritional intake. Transl. Body condition scoring: a rapid and accurate method for assessing health status in mice. 2022 Dec 8;9:965391. doi: 10.3389/fvets.2022.965391. .date { 2016;8:328rv4. When the average . line-height: 29px; Disclaimer. About Cancer generously supported by Dangoor Education since 2010. ulcerated (any break in skin observed), or there are signs of infection . Brown University is a community in which employees are encouraged to share workplace concerns with University leadership. font-size: 16px; Many tumors grow rapidly and can compromise the health and well-being of the animal. width: 150px; hormonal changes . Article - Standard on Tumor Productio CONCLUSIONS. See this image and copyright information in PMC. Humane Endpoints and Cancer Research. Below are the most commonly used GEMs for oncology research: Oncology is one of the biomedical research fields where animals will experience the most distress and pain (6). The survival of each mouse was recorded and indicated as fractions number ingures. Sites involving the face, limbs or perineum, as there is little to no space for tumor growth and expansion, and resulting tumors may interfere with eating and drinking. In particular, the increased production of cytokines and other pro-inflammatory molecules secreted by the immune system toinhibit tumor development and progression can also unfortunately culminate inskeletal muscle wasting. var _EPYT_ = {"ajaxurl":"https:\/\/www.fondation-fhb.org\/wp-admin\/admin-ajax.php","security":"58ef36594c","gallery_scrolloffset":"20","eppathtoscripts":"https:\/\/www.fondation-fhb.org\/wp-content\/plugins\/youtube-embed-plus\/scripts\/","eppath":"https:\/\/www.fondation-fhb.org\/wp-content\/plugins\/youtube-embed-plus\/","epresponsiveselector":"[\"iframe.__youtube_prefs_widget__\"]","epdovol":"1","version":"13.4.2","evselector":"iframe.__youtube_prefs__[src], iframe[src*=\"youtube.com\/embed\/\"], iframe[src*=\"youtube-nocookie.com\/embed\/\"]","ajax_compat":"","ytapi_load":"light","pause_others":"","stopMobileBuffer":"1","vi_active":"","vi_js_posttypes":[]}; Purpose In 2001, the new American Joint Committee on Cancer classification of cutaneous melanoma (CM) introduced ulceration of the primary melanoma as a new key parameter being represented in respective subcategories of the tumor (T) classification. You might be worried and embarrassed about other people noticing your wound. (2)Maximizing mouse cancer models Frese & Tuveson, 2007 However, in cancer models, these can be difficult to ascertain accurately because an increase in tumor mass can mask the loss of overall body weight (11). Ulcerated, necrotic tissue is one of the most common findings in tumor models. A few people find having an ulcerating tumour so distressing that they deny it's there. width: 1em !important; Ulcerated, necrotic tissue is one of the most common findings in tumor models. [CDATA[ */ A study on the effects of KRG on patients with gastric cancer and post-operative immunity showed that patients treated with KRG had a higher survival rate with complete cure of disease . The allowable sizes of tumors will be decreased if the tumors are injected into . General Appearance; including dull or closing eyes 2. Applying surgical dressings to your wound might help you to cope better. The PubMed wordmark and PubMed logo are registered trademarks of the U.S. Department of Health and Human Services (HHS). You are using an outdated browser. Inspect your mouse for tumors once a week. Epub 2017 Sep 14. line-height: 29px; (20)Towards more accurate preclinical glioblastoma modelling:reverse translation of clinical standard of care in a glioblastomamouse model. (4)Oncogenes and tumor suppressor genes The overall wellbeing of the animal will take priority over precise tumor measurements when making decisions regarding euthanasia or other interventions. Sometimes people leave their wound so long that by the time they do see a doctor, it is more difficult to control. To assess the contribution of thyroid hormone signalling via integrin v3, expressed on many tumour cells, endothelial cells, and stromal cells, to tumour growth, we compared the effects of thyroid hormones vs tetrac, a specific inhibitor of thyroid hormone action at integrin v3, in two murine . } Humane Endpoints and Cancer Research | ILAR Journal | Oxford Academic font-size: 16px; Unable to load your collection due to an error, Unable to load your delegates due to an error, Production of mouse tumor models for evaluation of immunotherapy. braces, poor-fitting dentures, and other apparatus that may rub against the mouth and gums. #colophon #theme-attribution { This Digitized Atlas of Mouse Liver Lesions provides color photomicrographs illustrating examples of some spontaneous, aging as well as chemically induced non-neoplastic and neoplastic histopathological hepatobiliary lesions commonly observed in B6C3F1 and Genetically Modified mice from acute, subchronic and chronic toxicity and/or carcinogenicity studies conducted by the National Toxicology . But its possible to manage the symptoms of ulcerating wounds so that they are easier to live with. Your email address will not be published. Risk Factors for Mucosal Ulceration in Gastric Gastrointestinal Stromal Wallace J. Humane endpoints and cancer research. Mouth Ulcer: What Is It, Symptoms, Causes & Treatment - Cleveland Clinic Protective effects of a gastrointestinal agent containing Korean red /*Archives*/ 2017 Nov 15;23(22):6982-6992. doi: 10.1158/1078-0432.CCR-17-0867. Ulcerated or necrotic tissue may result in a continuous loss of body fluid and/or infection. /* ]]> */ 2018 Jun;32(3):245-266. doi: 10.1007/s40259-018-0275-4. margin: 0 auto; Observation of the overall condition of the animal, including appearance, posture, behavior, physiological responses, and food and water intake must be done and documented on a regular basis and at least 3X/week until signs of morbidity and mortality have been observed, when daily observation and documentation is required. Appearance and Body Condition Score (BCS): a. BCS of 3: Normal; Score=0. padding: 5px 10px; Cspedes MV, Casanova I, Parreo M, Mangues R. Clin Transl Oncol. Lab Anim Sci 1991;41:269-273. (6) Humane Endpoints The response of mouse skin to UVR may be used, for example, to study the aetiology of non-melanoma skin cancer (van Kranen and de Gruijl, 1999; Hedelund et al, 2006). Where multiple tumors are present, total tumor burden is calculated by adding the volume of each individual . View Boston University's policy on and to reach consensus with the PI bearing experimental endpoints in mind. Required fields are marked *, UNESCO It can affect how you feel about yourself if its very visible, such as on your face. However, the obvious problem of these models is the high failure rate observed in human clinical trials after promising results obtained in mouse models. } PDF Institutional Animal Care and Use Committee (IACUC) Rodent Tumor Policy Curr Protoc Immunol. margin-bottom: 15px; C.J.M. mouse tumor ulceration (7) Canadian Council on Animal Care Oral ulceration is a common condition. It can particularly be hard when a doctor or nurse is examining or treating you. } Tumor implantation sites should be chosen to minimize adjacent tissue damage or disrupting normal physiology. (2000). The https:// ensures that you are connecting to the . var cnArgs = {"ajaxUrl":"https:\/\/www.fondation-fhb.org\/wp-admin\/admin-ajax.php","nonce":"914110b2e1","hideEffect":"fade","position":"bottom","onScroll":"0","onScrollOffset":"100","onClick":"0","cookieName":"cookie_notice_accepted","cookieTime":"2592000","cookieTimeRejected":"2592000","cookiePath":"\/","cookieDomain":"","redirection":"0","cache":"0","refuse":"0","revokeCookies":"0","revokeCookiesOpt":"automatic","secure":"1"}; Menu. The ability to monitor tumor growth delay in vivo mimics the typical clinical endpoint and is an important estimate of antitumor effectiveness. } Sites involving the special senses should be avoided. In the syngeneic tumor mouse model, hPD-L1 expressing CT-26 cells (0.5 x 10. Surprisingly, some mice showed ulceration in their tumors at tumor size around 200-300 mm3 much below the mouse models (transplantation and genomic-based) for ma-lignant neoplasms causing death in humans is provided in Table 1. (15)A novel transplantable model of lung cancer-associated tissue loss and disrupted muscle regeneration. padding: 0 20px; ISESCO Tumor & degree of necrosis or ulceration (degree of ulceration to be determined by DLAM staff): a. Tumor 7mm in any dimension; Score=0. Medicine. The A549 subcutaneous CDX mouse model is commonly used in preclinical tumor growth delay studies, including lapatinib as a . Made with peanut butter and with a soft texture, its great taste promotes consumption and p, Tamoxifen Delivery: Say No to Gavage and Repeated Injections, Leading Causes of Dehydration in Laboratory Animals, Understanding the Grimace Scale as a Pain Assessment for Laboratory Animals, Chemotherapy Delivery to Rodents: 4 Drugs Tested in Gels, Cryopreservation as a Risk Mitigation Tool, How to Increase the Success of Timed Pregnancies in Mice and Rats, Dystocia in Laboratory Mice and Rats: Causes and Treatments, Breeding Mice & Rats (Part 2): How to Support Pregnancy and Pup Rearing. These may include benign masses such as lipomas (usually benign unless interfering with a physiologic function), but can also be cysts, hematomas, abscesses, or masses of various etiology. Gross dissection revealed additional firm, internal tumors that were often . font-size: 16px; Characterization of a B16-F10 melanoma model locally implanted into the An animal in chronic pain or distress that can not be relieved by analgesics must be euthanized unless prior scientific justification for these humane endpoints are approved by the IACUC. Restlessness/inability to get comfortable is an indication of severe pain and requires immediate attention either with administration of analgesics or euthanasia. HWKoF#k\IGnJD(ReCGH5:d:fl+_& &H 53a&+8l)kRy77?}"92_y&Gwxq The purpose of this policy is to provide guidelines for tumor implantation and monitoring for rodents inoculated with Neoplastic cells or toxic agents and for rodents that are genetically predisposed to develop tumors. Contact your doctor between follow up appointments if you are worried. .epyt-gallery-thumb { Clinical extravasations of paclitaxel may be treated by subcutaneous injections of hyaluronidase diluted in saline. Review and Approval of Animal Study Proposals and Significant Changes. However, to stay in alignment with the 3R principles (Replace, Reduce, Refine) (1), which providea framework for performing more humane animal research, it is our legal and ethical obligation as researchers, veterinarians and animal caretakers to use methods which minimizeanimal suffering and improve their health and welfare. border-collapse: collapse; .tablepress .column-1 { text-align: right; Ulcerated/necrotic tumor resulting in skin breakdown or exudation persisting beyond 48 hours. BCS is a helpful adjunct to assessment of overall health of the animal. Journal of Pharmacy and Pharmacology. Ultimately, changes in PI3K were detected in 12% of the samples and 12% of . In the absence of reliable laboratory-based assays, animals with leukemia or lymphomas should be observed for early clinical signs such as anemia, loss of condition or weight, and enlargement of the spleen and lymph nodes. padding: 0 !important; In general, the more severely immunocompromised a mouse host, the more likely it is that tumor cell line or primary tumor will grow. The experiment ended for individual mice either when the tumour size exceeded 1500 mm 3, the tumour showed ulceration, the mouse was seriously ill, tumour growth blocked the movement of the mouse . /* endobj 66 0 obj <>/Filter/FlateDecode/ID[<25DC5495A832EE448D0CA7F0683E39DE><02C06DDB4F0B4E16B1A5B7A563E22001>]/Index[48 52]/Info 47 0 R/Length 96/Prev 383180/Root 49 0 R/Size 100/Type/XRef/W[1 3 1]>>stream Cancers. Recent advances in the development of new methods of cancer immunotherapy require the production of complex cancer animal models that reliably reflect the complexity of the tumor and its microenvironment. Wang X, Chan YS, Wong K, Yoshitake R, Sadava D, Synold TW, Frankel P, Twardowski PW, Lau C, Chen S. Cancers (Basel). The incidence, site of origin, and growth rate of an experimental tumor and the onset and nature of the adverse effects on the host will vary with (1) methods used to induce the tumors, (2) the biology of the tumor, (3) the site of development and the tissues involved, (4) any associated experimental challenge, and (5) the response of the host., Leukemias can be detected in the living animal by examining blood samples for the presence of circulating cancer cells or changes in the cellular constituents of the blood. 1996 Jul 1;78(1):152-6. The evaluation of clinical signs in an animal with a tumor burden of this type must include consultation with a veterinarian. Unauthorized use of these marks is strictly prohibited. You can find below a handful of selected quotes onDietGelBoost usage formouse models of cancer. 2019 Apr 16;116(16):7624-7631. doi: 10.1073/pnas.1817147116. /* ]]> */ 1: Growth Kinetics and Body Weight Change Following Intradermal Implant of B16-F10 in C57BL/6 Mice. The site of tumor implantation should be chosen to minimize damage to adjacent normal structures. Body Condition Score (BCS) (see section 3.7 for more details); For liquid tumors, body weights may be used in addition to or instead of BCS (see section 3.5 for more details); contact information for the person who is directly working with the animals; date, observation code, cage identification numbers, and initials for each observation; number of animals with the following conditions using the respective observation codes, when applicable: (U) ulcerated, (D) found dead, or (E) euthanized. Baseline immune profiling of B16-F10 tumor infiltrates was determined by flow cytometry on 5 untreated tumors (300-500mm 3) and analyzed using the CompLeukocyte TM package. mouse tumor ulceration - fondation-fhb.org They can also develop from skin cancers such as melanoma. When grown as ascites, some tumors such as the mouse L1210 leukemia (Kline et al. What can you tell me about mouth ulcers in kids? Fungating describes what the cancer might look like. Tumour Ulceration Guideline - University of British Columbia Cancer 1996;78:1526. General clinical signs must also be assessed. (1)The 3Rs NC3Rs Call freephone 9 to 5 Monday to Friday or email us, About ulcerating cancers (fungating tumours), Find out more about controlling unpleasant smells, secondary tumour (cancer spread to another part of the body). 6) were subcutaneously inoculated at the right flank region of female BALB/c mice. overflow-x: hidden; The common experimental use of B16-F10 melanoma cells focuses on exploring their metastatic potential following intravenous injection into mice. Adagio Overview; Examples (videos) ","server_up":"The live stream is paused and may resume shortly. Any evidence of lethargy or other change in behavior, change in ambulation, diarrhea, neurological signs (e.g., circling, head tilt), or increased respiratory effort must be reported to the veterinary staff. Tumor burden - IACUC | UW-La Crosse More frequent observations may be necessary, possibly including on weekends and holidays, as determined by a veterinarian. No tumor may exceed 1.5 cm (mouse) or 3.0 cm (rat) in any direction without an approved Exception request. The visible size of the tumor is only one of the criteria used for determination of humane endpoint. During the terminal phase, the animals should be inspected and continually assessed for early termination several times each day [daily according to BU policy]. . Pay special attention to any lumps or bumps that have increased in size from one week to the next. Ulceration of the skin overlying or surrounding tumors should result in removal of the animal from the study and euthanasia. Ulcerated or necrotic tissue may result in a continuous loss of body fluid and/or infection. Solid tumors may develop either in the superficial tissues or internally. Ulcerated tumor is actively bleeding. The medium was changed after 2 days. About ulcerating cancers (fungating tumours) - Cancer Research UK ( A ) Syngeneic, MeSH (8) Humane Endpoints for Laboratory Animals UCDavis Satellite Facilities, Study Areas, Laboratories, and other Animal Activity Areas. .metaslider .flexslider { Cancer. Fig. . } 1979) are rapidly lethal when growth is uncontrolled., Tumors may be solid and localized or may be solid and metastasizing to produce secondary disease in other tissues. All tumor-bearing rodents must be monitored to assess the progress of tumor growth and/or metastases. .panel-grid-cell .widget-title { 4. Sometimes people are so frightened about what a doctor will tell them that they don't go to the doctor. border: none !important; 4. Mouse Tumor Scoring 1. 3. vertical-align: middle; What Tv Show Did Barry Sullivan Play In, 3. Before font-size: 20px; Assessment of the effects of induced cytokine expression on tumors They may require supportive care such as food on the cage floor. PDF Tumour Ulceration Guideline - University of British Columbia Holy Cross Hockey Schedule, Tumor ulceration shows no stabilization within 7 days of treatment. and transmitted securely. Save my name and email in this browser for the next time I comment. b. Variables: Clinical signs which may be associated with tumor progression include 1. Wallace, J. Background Tumor vasculature is critical for tumor growth, formation of distant metastases and efficiency of radio- and chemotherapy treatments. Georgiou et al. b. BCS of 3: poor hair coat, decreased activity, normal posture and . Epub 2019 Apr 1. Tumor & degree of necrosis or ulceration (degree of ulceration to be determined by DLAM staff): a. Tumor 20mm in any dimension . /* ]]> */ doi: 10.1126/scitranslmed.aad7118. Tumors were most frequently found in the skin, with each mouse typically having multiple firm, slow-growing tumors, and the mice had to be euthanized 2-4 months after tumor appearance, usually because of tumor ulceration and occasionally because of limb paralysis . Institutional Animal Care and Use Committee (IACUC): Rodent Tumor . Si vous continuez utiliser ce site, nous supposerons que vous en tes satisfait. Changing the inoculation site may change the growth characteristics of the tumors. Front. Credit: Adapted from image provided courtesy of Jackson Laboratory. PC3 Xenograft Model - Altogen Labs By covering your wound it might also reduce any smell. Neoplasia in Mice Tumours in mice are also most commonly found in older females, but unlike rats these tumours are usually malignant and often spread to the lungs, causing . Youtube Playlists Not Working 2020, The authors declare no conflict of interest. Monitoring Tumor Growth in Rodents - Wayne State University 2. tumor site, growth rate, invasion, distension, ulceration, metastasis, and production of cachectic factors. Bhattacharya-Chatterjee M, Saha A, Foon KA, Chatterjee SK. Ulcerated or necrotic tissue may result in a continuous seepage of body fluids and predisposes to infection. } color:#000000; As the disease advances, wasting and muscle loss, also called cachexia, can become more severe and contribute to mortality. Skin ulceration potential of paclitaxel in a mouse skin model in vivo Self-mutilation; lack of grooming behavior; rough/unkempt hair coat is an indication that the animal is not well and requires daily monitoring and attention, Boston University IACUC Policy on Tumor Guidelines for Rats and Mice. } Thyroid hormones are emerging as critical regulators of tumour growth and progression. official website and that any information you provide is encrypted Leukemia, for example, effects hematopoiesis and interferes with normal health because of anemia, cachexia, and weight loss without any other clinical signs., Frequency of monitoring will be determined by the growth characteristics of the tumor and the onset of critical phases in the experimental process or development of the tumor. This evaluation may be made either by mouse antibody production (MAP) testing or by polymerase chain reaction testing (PCR) at an approved contracted organization. Endpoints are defined asthe points at which an experimental animals pain or distress is terminated, either by humanely euthanizingthe animal, ending the experimental procedures or providing treatment(7). var wpstream_player_vars = {"admin_url":"https:\/\/www.fondation-fhb.org\/wp-admin\/","chat_not_connected":"Inactive Channel - Chat is disabled. Advancing CAR T-Cell Therapy for Solid Tumors: Lessons Learned from Lymphoma Treatment. University supervisors are responsible for promoting the understanding of this policy and for taking appropriate steps to help ensure compliance with it. They can also develop from skin cancers such as melanoma. Humanized Mouse Models for the Preclinical Assessment of Cancer Immunotherapy. Detailed knowledge of the growth characteristics and biology of the proposed tumor model and the onset and nature of any adverse effects on the animals is crucial to the establishment of both scientific and humane endpoints., Solid and non-solid tumors give rise to different clinical presentations of animal morbidity and mortality.

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mouse tumor ulceration