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breast cancer lung metastasis

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https://www.readbyqxmd.com/read/29150524/breaking-the-scale-how-disrupting-the-karyoplasmic-ratio-gives-cancer-cells-an-advantage-for-metastatic-invasion
#1
REVIEW
Andrea Rizzotto, Eric C Schirmer
Nuclear size normally scales with the size of the cell, but in cancer this 'karyoplasmic ratio' is disrupted. This is particularly so in more metastatic tumors where changes in the karyoplasmic ratio are used in both diagnosis and prognosis for several tumor types. However, the direction of nuclear size changes differs for particular tumor types: for example in breast cancer, larger nuclear size correlates with increased metastasis, while for lung cancer smaller nuclear size correlates with increased metastasis...
November 17, 2017: Biochemical Society Transactions
https://www.readbyqxmd.com/read/29147627/stat1-gene-deficient-mice-develop-accelerated-breast-cancer-growth-and-metastasis-which-is-reduced-by-il-17-blockade
#2
Sanjay Varikuti, Steve Oghumu, Mohamad Elbaz, Greta Volpedo, Dinesh K Ahirwar, Pablo C Alarcon, Rachel H Sperling, Ellen Moretti, Marissa S Pioso, Jennifer Kimble, Mohd W Nasser, Ramesh K Ganju, Cesar Terrazas, Abhay R Satoskar
Signal transducer and activator of transcription 1 (STAT1) mediates interferon gamma signaling which activates the expression of various genes related to apoptosis, inflammation, cell cycle and angiogenesis. Several experimental and clinical studies have investigated the role of STAT1 in primary tumor growth in breast cancer; however, its role in tumor metastasis remains to be determined. To determine the role of STAT1 in breast cancer metastasis, we analyzed growth and metastasis in WT or STAT1(-/-) mice orthotopically implanted with metastatic 4T1...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29146194/association-analyses-of-genetic-variants-in-long-non-coding-rna-malat1-with-breast-cancer-susceptibility-and-mrna-expression-of-malat1-in-chinese-han-population
#3
Rui Peng, Chenglin Luo, Qiaoyun Guo, Jingjing Cao, Qian Yang, Kaiyan Dong, Shuaibing Wang, Kaijuan Wang, Chunhua Song
The long non-coding RNA (lncRNA) Metastasis-associated lung adenocarcinoma transcript 1(MALAT1) has been implicated in breast cancer (BC). Polymorphisms in MALAT1 may play a vital role in the progress of breast cancer by its regulation function. However, potential genetic variants in MALAT1 affecting the development of BC is rarely explored. In our current molecular epidemiology study, all three tagging SNPs (rs3200401, rs619586 and rs7927113) in lncRNA MALAT1 were selected for genotyping in 487BCE patients and 489 cancer-free controls in Chinese Han population, and futher experiment of quantitative real-time (qRT) PCR was conducted to examine the relative expression of MALAT1...
November 13, 2017: Gene
https://www.readbyqxmd.com/read/29142626/resection-and-observation-for-brain-metastasis-without-prompt-postoperative-radiation-therapy
#4
Tae-Wook Song, In-Young Kim, Shin Jung, Tae-Young Jung, Kyung-Sub Moon, Woo-Youl Jang
Objective: Total resection without consecutive postoperative whole brain radiation therapy is indicated for patients with a single or two sites of brain metastasis, with close follow-up by serial magnetic resonance imaging (MRI). In this study, we explored the effectiveness, usefulness, and safety of this follow-up regimen. Methods: From January 2006 to December 2015, a total of 109 patients (76 males, 33 females) underwent tumor resection as the first treatment for brain metastases (97 patients with single metastases, 12 with two metastases)...
November 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/29138842/placenta-specific-protein-1-promotes-cell-proliferation-and-invasion-in-non-small-cell-lung-cancer
#5
Li Yang, Tian-Qi Zha, Xiang He, Liang Chen, Quan Zhu, Wei-Bing Wu, Feng-Qi Nie, Qian Wang, Chong-Shuang Zang, Mei-Ling Zhang, Jing He, Wei Li, Wen Jiang, Kai-Hua Lu
Pulmonary carcinoma-associated proteins have emerged as crucial players in governing fundamental biological processes such as cell proliferation, apoptosis and metastasis in human cancers. Placenta-specific protein 1 (PLAC1) is a cancer-related protein, which is activated and upregulated in a variety of malignant tissues, including prostate cancer, gastric adenocarcinoma, colorectal, epithelial ovarian and breast cancer. However, its biological role and clinical significance in non-small cell lung cancer (NSCLC) development and progression are still unknown...
November 9, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29137386/mitochondrial-calcium-uniporter-as-a-target-of-microrna-340-and-promoter-of-metastasis-via-enhancing-the-warburg-effect
#6
Changhui Yu, Yuhao Wang, Jiawen Peng, Qiang Shen, Mimi Chen, Wei Tang, Xiumei Li, Chunqing Cai, Bin Wang, Shaoxi Cai, Xiaojing Meng, Fei Zou
Background: A shift from oxygen phosphorylation to aerobic glycolysis was known as the Warburg effect and a characteristic of cancer cell metabolism facilitating metastasis. Mitochondrial calcium uniporter (MCU), a key ion channel that mediates Ca(2+) uptake into mitochondria, was found to promote cancer progression and metastasis. However, its explicit role in shifting metabolism of breast cancer cells has not been defined. Methods: We evaluated MCU overexpression or knock-down on migration, invasion and glucose metabolismin breast cancer cells...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29135778/accuracy-of-medicare-claim-based-algorithm-to-detect-breast-prostate-or-lung-cancer-bone-metastases
#7
Nalini Sathiakumar, Elizabeth Delzell, Huifeng Yun, Rene Jooste, Kelly Godby, Carla Falkson, Mellissa Yong, Meredith L Kilgore
BACKGROUND: We had previously developed an algorithm for Medicare claims data to detect bone metastases associated with breast, prostate, or lung cancer. This study was conducted to examine whether this algorithm accurately documents bone metastases on the basis of diagnosis codes in Medicare claims data. METHODS: We obtained data from Medicare claims and electronic medical records of patients 65 years or older with a breast, prostate, or lung cancer diagnosis at a teaching hospital and/or affiliated clinics during 2005 or 2006...
December 2017: Medical Care
https://www.readbyqxmd.com/read/29135607/targeting-the-perivascular-niche-in-brain-tumors
#8
Giorgio Seano
PURPOSE OF REVIEW: Brain tumors are composed of primary tumors of the central nervous system, such us glioblastoma (GBM), and secondary metastatic tumors, such as melanoma, non-Hodgkin lymphoma as well as lung and breast cancers. Brain tumors are highly deadly, and unfortunately not many improvements have been achieved to improve the survival of patients with brain tumors. Chemoradiation resistance is one of the most clinically relevant challenges faced in patients with brain tumors. The perivascular niche is one of the most relevant microenvironment hubs in brain tumors...
November 14, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/29131546/polymeric-nanoparticles-induce-nlrp3-inflammasome-activation-and-promote-breast-cancer-metastasis
#9
Qinglian Hu, Fenghui Zhao, Fengliang Guo, Chengcheng Wang, Zhengwei Fu
Polymeric nanoparticles gain enormous interests in cancer therapy. Polyethylenimine (PEI) 25 kD is well known for its high transfection efficiency and cytotoxicity. PEI-CyD (PC) was previously synthesized by conjugating low molecular PEI (M w 600) with β-cyclodextrin (β-CyD), which is shown to induce lower cytotoxicity than PEI 25 kD. In the current study, the in vivo immune response of branched PEI 25 kD and PC is investigated. Compared to PC/pDNA, exposure of PEI 25kD/pDNA induces higher level of immune-stimulation evidenced by the increased spleen weight, phagocytic capacity of peritoneal macrophage, and proinflammatory cytokines in serum and liver...
November 13, 2017: Macromolecular Bioscience
https://www.readbyqxmd.com/read/29130109/deubiquitinase-usp9x-promotes-cell-migration-invasion-and-inhibits-apoptosis-of-human-pancreatic-cancer
#10
Li Liu, Dan Yao, Pengbo Zhang, Weichao Ding, Xiuzhong Zhang, Chong Zhang, Shuai Gong, Yi Zhang, Jike Wang, Ting Sun, Zeqiang Ren
Ubiquitin specific peptidase 9, X-linked (USP9X), a significant regulatory protease in protein ubiquitination, has been proven to act as a proto-oncogene in several types of cancers, such as cervix, colon, breast, brain and lung cancers. The prognosis of patients with pancreatic ductal adenocarcinoma (PDAC) is extremely poor due to its high invasive and metastatic abilities. Nevertheless, whether USP9X acts as a proto-oncogene or a tumor-suppressor gene in PDAC is controversial and the mechanism of metastasis remains unknown...
December 2017: Oncology Reports
https://www.readbyqxmd.com/read/29125427/the-surgical-treatment-of-metastatic-spine-tumors-within-the-intramedullary-compartment
#11
Ben A Strickland, Ian E McCutcheon, Indro Chakrabarti, Laurence D Rhines, Jeffrey S Weinberg
OBJECTIVE Metastasis to the spinal cord is rare, and optimal management of this disease is unclear. The authors investigated this issue by analyzing the results of surgical treatment of spinal intramedullary metastasis (IM) at a major cancer center. METHODS The authors retrospectively reviewed the medical records of 13 patients who underwent surgery for IM. Patients had renal cell carcinoma (n = 4), breast carcinoma (n = 3), melanoma (n = 2), non-small cell lung cancer (n = 1), sarcoma (n = 1), adenoid cystic carcinoma (n = 1), and cervical cancer (n = 1)...
November 10, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29119617/computer-aided-design-of-human-sialyltransferase-inhibitors-of-hst8sia-iii
#12
Christopher Dobie, Andrew P Montgomery, Rémi Szabo, Danielle Skropeta, Haibo Yu
Sialyltransferase (ST) upregulation and the resultant hypersialylation of tumour cell surfaces is an established hallmark of many cancers including lung, breast, ovarian, pancreatic and prostate cancer. The role of ST enzymes in tumour cell growth and metastasis, as well as links to multi-drug resistance, has seen ST inhibition emerge as a target for potential antimetastatic cancer treatments. The most potent of these reported inhibitors are transition-state analogues. Although there are several examples of these in the literature, many have suspected poor pharmacokinetic properties and are not readily synthetically accessible...
November 9, 2017: Journal of Molecular Recognition: JMR
https://www.readbyqxmd.com/read/29115583/unfavorable-effect-of-calcitriol-and-its-low-calcemic-analogs-on-metastasis-of-4t1-mouse-mammary-gland-cancer
#13
Artur Anisiewicz, Agata Pawlik, Beata Filip-Psurska, Eliza Turlej, Stanisław Dzimira, Magdalena Milczarek, Katarzyna Gdesz, Diana Papiernik, Joanna Jarosz, Dagmara Kłopotowska, Andrzej Kutner, Andrzej Mazur, Joanna Wietrzyk
Low vitamin D status is considered as a risk factor for breast cancer and has prognostic significance. Furthermore, vitamin D deficiency increases after adjuvant cancer therapy, which alters bone metabolism increasing the risk of osteoporosis. It is now postulated that vitamin D supplementation in breast cancer treatment delays the recurrence of cancer thereby extending survival. We evaluated the impact of calcitriol and its low-calcemic analogs, PRI‑2191 and PRI‑2205, on the tumor growth, angiogenesis, and metastasis of 4T1 mouse mammary gland cancer...
November 2, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29113416/internal-mammary-lymph-nodes-radiotherapy-of-breast-cancer-in-the-era-of-individualized-medicine
#14
REVIEW
Bin-Bin Cong, Xiao-Shan Cao, Lu Cao, Hui Zhu, Yi-Shan Yu, Jin-Ming Yu, Yong-Sheng Wang
Inclusion internal mammary lymph nodes as a part of regional nodal irradiation have a potential to reduce local recurrence, distant recurrence, and improve survival in breast cancer. However, the increased risk of cardiac toxicity and lungs injure associated with internal mammary lymph nodes irradiation has drew more and more attention. Estimating risk of metastasis in internal mammary lymph nodes based on axillary lymph nodes metastasis status is not always reliable: low-risk do not always mean negative in internal mammary lymph nodes and high-risk do not always indicate positive in internal mammary lymph nodes...
October 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/29110685/lingual-metastasis-as-an-initial-presentation-of-renal-cell-carcinoma-a-case-report
#15
Hanan Raiss, Sophie Duplomb, Sophie Tartas, Mohamed Layachi, Hassan Errihani
BACKGROUND: Renal cell carcinoma is the third most common tumor that metastasizes to the head and neck, after breast and lung carcinomas. Tongue metastasis as an initial presentation of renal cell carcinoma is extremely rare, and very few cases have been reported. The prognosis is poor. We present a rare case of metastatic renal cell carcinoma that initially presented as a tongue lesion. CASE PRESENTATION: We report the case of a 55-year-old white man who presented with a large exophytic lesion on his tongue...
November 7, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29109519/network-pharmacology-based-validation-of-tams-cxcl-1-as-key-mediator-of-xiaopi-formula-preventing-breast-cancer-development-and-metastasis
#16
Neng Wang, Yifeng Zheng, Jiangyong Gu, Youli Cai, Shengqi Wang, Fengxue Zhang, Jianping Chen, Honglin Situ, Yi Lin, Zhiyu Wang
Network pharmacology has become a powerful means of understanding the mechanisms underlying the action of Chinese herbs in cancer treatment. This study aims to validate the preventive effects and molecular mechanisms of a clinical prescription XIAOPI formula against breast cancer. In vivo breast cancer xenograft data showed that XIAOPI delayed breast cancer development and efficiently inhibited lung metastasis, accompanied by prolonged survival benefits and decreased cancer stem cell subpopulations. However, similar phenomenon were not observed in a cell model...
November 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29108233/mitoketoscins-novel-mitochondrial-inhibitors-for-targeting-ketone-metabolism-in-cancer-stem-cells-cscs
#17
Bela Ozsvari, Federica Sotgia, Katie Simmons, Rachel Trowbridge, Richard Foster, Michael P Lisanti
Previous studies have now well-established that epithelial cancer cells can utilize ketone bodies (3-hydroxybutyrate and aceto-acetate) as mitochondrial fuels, to actively promote tumor growth and metastatic dissemination. The two critical metabolic enzymes implicated in this process are OXCT1 and ACAT1, which are both mitochondrial proteins. Importantly, over-expression of OXCT1 or ACAT1 in human breast cancer cells is sufficient to genetically drive tumorigenesis and/or lung metastasis, validating that they indeed behave as metabolic "tumor promoters"...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29108231/trpm5-mediates-acidic-extracellular-ph-signaling-and-trpm5-inhibition-reduces-spontaneous-metastasis-in-mouse-b16-bl6-melanoma-cells
#18
Toyonobu Maeda, Atsuko Suzuki, Kaori Koga, Chihiro Miyamoto, Yojiro Maehata, Shigeyuki Ozawa, Ryu-Ichiro Hata, Yoji Nagashima, Kazuki Nabeshima, Kaoru Miyazaki, Yasumasa Kato
Extracellular acidity is a hallmark of solid tumors and is associated with metastasis in the tumor microenvironment. Acidic extracellular pH (pH e ) has been found to increase intracellular Ca(2+) and matrix metalloproteinase-9 (MMP-9) expression by activating NF-κB in the mouse B16 melanoma model. The present study assessed whether TRPM5, an intracellular Ca(2+)-dependent monovalent cation channel, is associated with acidic pH e signaling and induction of MMP-9 expression in this mouse melanoma model. Treatment of B16 cells with Trpm5 siRNA reduced acidic pH e -induced MMP-9 expression...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29105026/metastatic-non-small-cell-lung-carcinoma-a-mimic-of-primary-breast-carcinoma-case-series-and-literature-review
#19
Rola H Ali, Catalin Taraboanta, Tareq Mohammad, Malcolm M Hayes, Diana N Ionescu
Metastatic tumors to the breast are rare but constitute a major diagnostic dilemma. Of these, non-mammary carcinomatous metastases to the breast are particularly challenging and, without a clinical history, may be extremely difficult to distinguish from primary breast carcinoma (PBC). We specifically studied metastatic tumors of pulmonary origin, as the lung is one of the major primary sites for carcinomatous metastasis to breast. Sixteen metastatic lung tumors to the breast were identified in our archives between 1996 and 2017 including 12 non-small cell lung carcinomas (NSCLC), one large-cell neuroendocrine, one atypical carcinoid, and two small-cell carcinomas...
November 5, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29101110/the-biology-of-bone-metastasis
#20
Mark Esposito, Theresa Guise, Yibin Kang
Bone metastasis, or the development of secondary tumors within the bone of cancer patients, is a debilitating and incurable disease. Despite its morbidity, the biology of bone metastasis represents one of the most complex and intriguing of all oncogenic processes. This complexity derives from the intricately organized bone microenvironment in which the various stages of hematopoiesis, osteogenesis, and osteolysis are jointly regulated but spatially restricted. Disseminated tumor cells (DTCs) from various common malignancies such as breast, prostate, lung, and kidney cancers or myeloma are uniquely primed to subvert these endogenous bone stromal elements to grow into pathological osteolytic or osteoblastic lesions...
November 3, 2017: Cold Spring Harbor Perspectives in Medicine
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