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Clinical & Experimental Metastasis

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https://www.readbyqxmd.com/read/29777421/lymph-node-metastasis-in-melanoma-a-debate-on-the-significance-of-nodal-metastases-conditional-survival-analysis-and-clinical-trials
#1
Mark B Faries, Dale Han, Michael Reintgen, Lauren Kerivan, Douglas Reintgen, Corrado Caracò
While there is no doubt that regional lymph node metastases are an enormously important factor in melanoma staging and treatment, the biology behind this significance and its precise implications for treatment planning have been a leading controversy in melanoma and other solid tumors for over a century. Recent clinical data, including data from prospective randomized clinical trials have refined our understanding of the process of nodal metastases and the advantages and disadvantages of different clinical management strategies...
May 18, 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29774452/lymphedema-following-cancer-therapy-overview-and-options
#2
Michael Bernas, Saskia R J Thiadens, Betty Smoot, Jane M Armer, Paula Stewart, Jay Granzow
This summit focusing on lymphedema following cancer therapy was held during the 7th International Symposium on Cancer Metastasis through the Lymphovascular System. It was unique for the inclusion of patients with lymphedema joining physicians, therapists, healthcare professionals, and researchers to highlight what is known and more importantly what is unknown about the current state of research and treatment in the United States. The session opened with an introduction to lymphedema and then explored the incidence of multiple cancer-related lymphedemas, imaging tools and techniques useful for the diagnosis of lymphatic system abnormalities, and the new findings concerning the genetics of cancer-related lymphedema...
May 17, 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29736626/regional-therapies-for-locoregionally-advanced-and-unresectable-melanoma
#3
Evan S Weitman, Jonathan S Zager
Locoregionally advanced and unresectable disease can be seen in up to 10% of melanoma patients. Treatment options for these patients have been evolving most notably over the past few decades and have demonstrated efficacy through multiple intra-arterial as well as intralesional therapies. Isolated limb perfusions and isolated limb infusions have been utilized to treat locoregionally advanced melanoma of the extremity with overall response rates up to 90% in some reports. Intralesional therapies, for in transit metastatic melanoma, such as Bacille Calmette-Guerin, talimogene laherparepvec, and PV-10 (Rose Bengal) have all demonstrated efficacy in the treatment of unresectable cutaneous melanoma...
May 8, 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29728948/potential-impact-of-invasive-surgical-procedures-on-primary-tumor-growth-and-metastasis
#4
Maria Alieva, Jacco van Rheenen, Marike L D Broekman
Surgical procedures such as tumor resection and biopsy are still the gold standard for diagnosis and (determination of) treatment of solid tumors, and are prognostically beneficial for patients. However, growing evidence suggests that even a minor surgical trauma can influence several (patho) physiological processes that might promote postoperative metastatic spread and tumor recurrence. Local effects include tumor seeding and a wound healing response that can promote tumor cell migration, proliferation, differentiation, extracellular matrix remodeling, angiogenesis and extravasation...
May 4, 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29722002/genetics-of-metastasis-melanoma-and-other-cancers
#5
Noel Turner, Olivia Ware, Marcus Bosenberg
Melanoma is a malignant neoplasm of melanocytes that accounts for the majority of skin cancer deaths despite comprising less than 5% of all cutaneous malignancies. Its incidence has increased faster than that of any other cancer over the past half-century and the annual costs of treatment in the United States alone have risen rapidly. Although the majority of primary melanomas are cured with local excision, metastatic melanoma historically carries a grim prognosis, with a median survival of 9 months and a long-term survival rate of 10%...
May 2, 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29722001/cystatin-c-takes-part-in-melanoma-microglia-cross-talk-possible-implications-for-brain-metastasis
#6
Adi Moshe, Sivan Izraely, Orit Sagi-Assif, Roshini Prakash, Alona Telerman, Tsipi Meshel, Thomas Carmichael, Isaac P Witz
The development of melanoma brain metastasis is largely dependent on mutual interactions between the melanoma cells and cells in the brain microenvironment. Here, we report that the extracellular cysteine protease inhibitor cystatin C (CysC) is involved in these interactions. Microglia-derived factors upregulated CysC secretion by melanoma. Similarly, melanoma-derived factors upregulated CysC secretion by microglia. Whereas CysC enhanced melanoma cell migration through a layer of brain endothelial cells, it inhibited the migration of microglia cells toward melanoma cells...
May 2, 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29722000/review-of-diagnostic-prognostic-and-predictive-biomarkers-in-melanoma
#7
REVIEW
Jacob S Ankeny, Brian Labadie, Jason Luke, Eddy Hsueh, Jane Messina, Jonathan S Zager
Melanoma is an aggressive cutaneous malignancy with rapidly rising incidence. Diagnosis of controversial melanocytic lesions, correct prognostication of patients, selection of appropriate adjuvant and systemic therapies, and prediction of response to a given therapy remain very real challenges. Despite these challenges, multiple high throughput, nucleic-acid based biomarkers have been developed that can be assayed from histologic tissue specimens. FISH, CGH, Decision-Dx, and other multi-marker assays have been combined to improve overall predictability...
May 2, 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29705882/severe-peritoneal-sclerosis-after-repeated-pressurized-intraperitoneal-aerosol-chemotherapy-with-oxaliplatin-pipac-ox-report-of-two-cases-and-literature-survey
#8
M Graversen, S Detlefsen, P Pfeiffer, L Lundell, M B Mortensen
Pressurized intraperitoneal aerosol chemotherapy (PIPAC) is a new laparoscopic administration of chemotherapy for peritoneal metastasis (PM). PIPAC is repeated every 5th week, and seems to stabilize or improve quality of life, and might improve survival. So far, PIPAC has been well tolerated. With this paper, we aim to highlight a potential severe adverse reaction, as we describe the first cases of severe peritoneal sclerosis (SPS) caused by PIPAC. Patients with isolated PM were included in a prospective PIPAC protocol...
April 28, 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29696577/expression-of-the-serotonin-receptor-2b-in-uveal-melanoma-and-effects-of-an-antagonist-on-cell-lines
#9
Cindy Weidmann, Julie Bérubé, Léo Piquet, Arnaud de la Fouchardière, Solange Landreville
Uveal melanoma (UM) is the most common primary tumor in the adult, and disseminates to the liver in half of patients. A 15-gene expression profile prognostic assay allows to determine the likelihood of metastasis in patients using their ocular tumor DNA, but a cure still remains to be discovered. The serotonin receptor 2B represents the discriminant gene of this molecular signature with the greatest impact on the prognosis of UM. However, its contribution to the metastatic potential of UM remains unexplored...
April 25, 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29619742/abstracts-from-the-eacr-seed-and-soil-in-vivo-models-of-metastasis-conference
#10
(no author information available yet)
No abstract text is available yet for this article.
April 4, 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29589151/eacr-mrs-conference-on-seed-and-soil-in-vivo-models-of-metastasis
#11
EDITORIAL
I Teles Alves, N Cohen, P G Ersan, R Eyre, I Godet, D Holovanchuk, R Jackstadt, L Kyjacova, K Mahal, A Noguera-Castells, L Recalde-Percaz, J P Sleeman
New experimental tools are urgently required to better understand the metastatic process. The importance of such tools is underscored by the fact that many anti-cancer therapies are generally ineffective against established metastases. This makes a major contribution to the fact that metastatic spread is responsible for over 90% of cancer patient deaths. It was therefore timely that the recent "Seed and Soil: In Vivo Models of Metastasis" conference held in Berlin, Germany (27-29 of November 2017) aimed to give an in-depth overview of the latest research models and tools for studying metastasis, and to showcase recent findings from world-leading metastasis researchers...
March 27, 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29582202/automated-quantitative-image-analysis-for-ex-vivo-metastasis-assays-reveals-differing-lung-composition-requirements-for-metastasis-suppression-by-kiss1
#12
Eric D Young, Kyle Strom, Ashley F Tsue, Joseph L Usset, Seth MacPherson, John T McGuire, Danny R Welch
Imaging is broadly used in biomedical research, but signal variation complicates automated analysis. Using the Pulmonary Metastasis Assay (PuMA) to study metastatic colonization by the metastasis suppressor KISS1, we cultured GFP-expressing melanoma cells in living mouse lung ex vivo for 3 weeks. Epifluorescence images of cells were used to measure growth, creating large datasets which were time consuming and challenging to quantify manually due to scattering of light from outside the focal plane. To address these challenges, we developed an automated workflow to standardize the measurement of disseminated cancer cell growth by applying statistical quality control to remove unanalyzable images followed and a filtering algorithm to quantify only in-focus cells...
March 26, 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29536225/hemodynamic-shear-stress-induces-protective-autophagy-in-hela-cells-through-lipid-raft-mediated-mechanotransduction
#13
Joyjyoti Das, Somnath Maji, Tarun Agarwal, Suman Chakraborty, Tapas K Maiti
During metastatic dissemination, cancer cells experience shear stresses in narrow confinements of in vivo vasculature. Such stresses are currently known to influence a gamut of cellular processes. While a host of cells emanating from a primary tumor perish in circulation due to shear, some cells manage to migrate to distant niches and form secondary tumors. Current research focuses on how cancer cells avert such mechanical stresses and adapt themselves in order to survive. This study deals with the autophagic response of cervical cancer cells HeLa and its subline HeLa 229, exposed to physiological shear stresses in vitro, and evaluates its role as a pro-survival mechanism...
March 13, 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29536224/the-role-of-granulocyte-macrophage-colony-stimulating-factor-gm-csf-in-radiation-induced-tumor-cell-migration
#14
Marta Vilalta, Jourdan Brune, Marjan Rafat, Luis Soto, Edward E Graves
Recently it has been observed in preclinical models that that radiation enhances the recruitment of circulating tumor cells to primary tumors, and results in tumor regrowth after treatment. This process may have implications for clinical radiotherapy, which improves control of a number of tumor types but which, despite continued dose escalation and aggressive fractionation, is unable to fully prevent local recurrences. By irradiating a single tumor within an animal bearing multiple lesions, we observed an increase in tumor cell migration to irradiated and unirradiated sites, suggesting a systemic component to this process...
March 13, 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29492795/the-coagulome-and-the-oncomir-impact-of-cancer-associated-haemostatic-dysregulation-on-the-risk-of-metastasis
#15
Kate Burbury, Michael P MacManus
Patients with cancer are at high risk of both thromboembolic and haemorrhagic events during the course of their disease. The pathogenesis of haemostatic dysfunction in cancer is complex and involves the interplay of multiple factors. There is growing evidence that interactions between malignancies and the coagulation system are not random but can represent coordinated and clinically-significant adaptations that enhance tumour cell survival, proliferation and metastatic potential. A detailed understanding of the interactions between the haemostatic systems and the pathophysiology of metastasis may not only provide insight into strategies that could potentially reduce the incidence of thrombohaemorrhagic events and complications, but could also help design strategies that are capable of modifying tumour biology, progression and metastatic potential in ways that could enhance anticancer therapies and thereby improve overall survival...
February 28, 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29396728/pharmacologic-ascorbate-p-asch-suppresses-hypoxia-inducible-factor-1%C3%AE-hif-1%C3%AE-in-pancreatic-adenocarcinoma
#16
Justin G Wilkes, Brianne R O'Leary, Juan Du, Adrienne R Klinger, Zita A Sibenaller, Claire M Doskey, Katherine N Gibson-Corley, Matthew S Alexander, Susan Tsai, Garry R Buettner, Joseph J Cullen
HIF-1α is a transcriptional regulator that functions in the adaptation of cells to hypoxic conditions; it strongly impacts the prognosis of patients with cancer. High-dose, intravenous, pharmacological ascorbate (P-AscH- ), induces cytotoxicity and oxidative stress selectively in cancer cells by acting as a pro-drug for the delivery of hydrogen peroxide (H2 O2 ); early clinical data suggest improved survival and inhibition of metastasis in patients being actively treated with P-AscH- . Previous studies have demonstrated that activation of HIF-1α is necessary for P-AscH- sensitivity...
February 2, 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29524086/aberrant-methylation-mediated-silencing-of-lncrna-ctc-276p9-1-is-associated-with-malignant-progression-of-esophageal-squamous-cell-carcinoma
#17
Wei Guo, Shengnan Liu, Zhiming Dong, Yanli Guo, Chunyan Ding, Supeng Shen, Jia Liang, Baoen Shan
Downregulation and aberrant hypermethylation of long non-coding RNA CTC-276P9.1 have been detected in limited tumors. However, the distribution of methylated CpG sites and biological role of CTC-276P9.1 in esophageal squamous cell carcinoma (ESCC) progression and prognosis have not been fully clarified. The present study was to investigate the expression status and the distribution of methylated CpG sites within the three CpG islands of CTC-276P9.1, further to clarify its functional role and prognostic value in ESCC development and prognosis...
February 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29516210/exciting-new-article-categories-introduced-not-clinical-and-experimental-metastasis-submit-your-article-now
#18
EDITORIAL
Jörg Haier, Jonathan P Sleeman
No abstract text is available yet for this article.
February 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29516208/time-dependent-change-in-relapse-sites-of-renal-cell-carcinoma-after-curative-surgery
#19
Go Noguchi, Noboru Nakaigawa, Masataka Taguri, Sohgo Tsutsumi, Yoko Saito, Sachi Fukui, Masato Yasui, Takashi Tokita, Taku Mitome, Tomoyuki Tatenuma, Shinnosuke Kuroda, Koichi Abe, Daiki Ueno, Kazuhiro Namura, Susumu Umemoto, Akitoshi Takizawa, Junichi Ohta, Teiichiro Ueki, Takeshi Watanabe, Kazuki Kobayashi, Keiichi Kondo, Takeshi Kishida, Hitomi Kanno, Kazuo Kitami, Takeharu Yamanaka, Masahiro Yao
We investigated time-dependent changes in the relapse features of renal cell carcinoma (RCC) after curative surgery. Between 1985 and 2015, 1398 patients with RCC (1226 clear cell RCC, 89 papillary RCC, and 53 chromophobe RCC) underwent curative surgery at Yokohama City University Hospital and its affiliated hospitals. We retrospectively reviewed the clinicopathologic factors of patients with relapse after surgery. Median follow-up was 56.3 months. Recurrence occurred in 245 patients (217 clear cell RCC, 12 papillary RCC, and 3 chromophobe RCC)...
February 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29335811/surgical-stress-response-and-promotion-of-metastasis-in-colorectal-cancer-a-complex-and-heterogeneous-process
#20
Corina Behrenbruch, Carolyn Shembrey, Sophie Paquet-Fifield, Christina Mølck, Hyun-Jung Cho, Michael Michael, Benjamin N J Thomson, Alexander G Heriot, Frédéric Hollande
Surgery remains the curative treatment modality for colorectal cancer in all stages, including stage IV with resectable liver metastasis. There is emerging evidence that the stress response caused by surgery as well as other perioperative therapies such as anesthesia and analgesia may promote growth of pre-existing micro-metastasis or potentially initiate tumor dissemination. Therapeutically targeting the perioperative period may therefore reduce the effect that surgical treatments have in promoting metastases, for example by combining β-adrenergic receptor antagonists and cyclooxygenase-2 (COX-2) inhibitors in the perioperative setting...
January 15, 2018: Clinical & Experimental Metastasis
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