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Bone metastasis

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https://www.readbyqxmd.com/read/28101678/breast-carcinoma-subtypes-show-different-patterns-of-metastatic-behavior
#1
István Artúr Molnár, Béla Ákos Molnár, Laura Vízkeleti, Krisztina Fekete, Judit Tamás, Péter Deák, Csilla Szundi, Borbála Székely, Judit Moldvay, Stefan Vári-Kakas, Marcell A Szász, Balázs Ács, Janina Kulka, Anna-Mária Tőkés
The aim of our retrospective study was to analyze patterns of subtype specific metastatic spread and to identify the time course of distant metastases. A consecutive series of 490 patients with breast cancer who underwent surgery and postoperative treatment at Semmelweis University, Hungary, and diagnosed between the years 2000 and 2007 was identified from the archives of the 2nd Department of Pathology, Hungary. Molecular subtypes were defined based on the 2011 St. Gallen recommendations. Statistical analysis was performed with SPSS Statistics for Windows, Version 22...
January 19, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28099368/recurrence-behavior-in-early-stage-cutaneous-melanoma-pattern-timing-survival-and-influencing-factors
#2
Faruk Tas, Kayhan Erturk
Nearly one-third of all melanoma patients will experience disease recurrence and the majority of the relapses eventually develop metastatic disease as a consequence of disease progression in the early-stage melanoma patients. Although the factors that predict the recurrence have already been described, very few numbers of studies have investigated the natural recurrence history of melanoma. In this retrospective study, we analyzed the time until recurrence along with the patterns and outcomes of the recurrences; thus, we aimed to understand the possible factors that might influence the recurrence course in early-stage cutaneous melanoma at the first relapse...
January 17, 2017: Melanoma Research
https://www.readbyqxmd.com/read/28098894/17%C3%AE-%C3%A2-estradiol-treatment-drives-sp1-to-upregulate-malat%C3%A2-1-expression-and-epigenetically-affects-physiological-processes-in-u2os-cells
#3
Qiongying Hu, Shuiqin Li, Changjin Chen, Menglin Zhu, Yiming Chen, Ziyi Zhao
Osteosarcoma is the most common primary bone tumor characterized by high risk of metastasis, thus presents with an overall survival rate of 60%, despite the use of chemotherapy and surgery. Metastasis‑associated lung adenocarcinoma transcript 1 (MALAT‑1) has been reported to upregulated and epigenetically regulate the metastasis in osteosarcoma; however, the regulatory mechanisms of MALAT‑1 expression remain unclear. In the current study, significant upregulation of MALAT‑1 was observed subsequent to exposure to low concentrations of 17β‑estradiol (E2) in U2OS cells...
January 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28097375/hypoxia-induced-fibroblast-growth-factor-11-stimulates-osteoclast-mediated-resorption-of-bone
#4
Helen J Knowles
Over-activation of osteoclasts is directly responsible for pathological bone loss in conditions such as rheumatoid arthritis and cancer metastasis to bone. Hypoxia is a common feature of these conditions, associated with poor prognosis, which also stimulates osteoclast-mediated bone resorption via induction of the hypoxia-inducible transcription factor HIF-1α. Here, we investigate the effects of fibroblast growth factor 11 (FGF11) on osteoclast function. FGF11 is an intracellular FGF that was induced both by hypoxia (2% O2, p < 0...
January 18, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28093286/bmp4-promotes-metastasis-of-hepatocellular-carcinoma-by-an-induction-of-epithelial-mesenchymal-transition-via-upregulating-id2
#5
Shan Zeng, Yan Zhang, Junli Ma, Ganlu Deng, Yanlin Qu, Cao Guo, Ying Han, Ling Ying, Changjing Cai, Yiyi Li, Guqi Wang, Herbert L Bonkovsky, Hong Shen
The role of bone morphogenetic protein 4 (BMP4), a crucial epithelial-mesenchymal transition (EMT) mediator, in the progression of hepatocellular carcinoma (HCC) patients heretofore has not been elucidated. The present study analyzed BMP4 expression in tumors and paired non-tumorous liver tissue and its correlation with clinicopathological characteristics from two independent cohorts consisting of 420 HCC patients. Functional analysis of BMP4 was performed in Bel-7402 and HCCLM3 HCC cells, and in a murine HCC model...
January 13, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28090502/is-noncurative-gastrectomy-always-a-beneficial-strategy-for-stage-iv-gastric-cancer
#6
Chang Min Lee, In Keun Choi, Jong-Han Kim, Da Won Park, Jun Suk Kim, Seong-Heum Park
PURPOSE: The purpose of this study is to suggest a treatment strategy for stage IV gastric cancer by investigating the behavioral difference between initially and recurrent metastatic disease. METHODS: We reviewed the medical records of the patients who underwent chemotherapy alone for metastatic gastric cancer between January 2006 and September 2013. Patients were divided into those who underwent chemotherapy for metastatic disease since initial diagnosis (IM group) and for metastatic recurrence after curative surgery (RM group)...
January 2017: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/28089230/metastatic-fractures-of-long-limb-bones
#7
REVIEW
P Anract, D Biau, P Boudou-Rouquette
The diagnosis of pathological fracture should be considered routinely in patients with long limb-bone fractures. Investigations must be performed to establish the diagnosis of pathological fracture then to determine that the bone lesion is a metastasis. In over 85% of cases, the clinical evaluation combined with a detailed analysis of the radiographs is sufficient to determine that the fracture occurred at a tumour site. Aetiological investigations establish that the tumour is a metastasis. In some patients, the diagnosis of metastatic cancer antedates the fracture...
January 11, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28079231/primary-neuroendocrine-neoplasm-of-the-esophagus-report-of-14-cases-from-a-single-institute-and-review-of-the-literature
#8
Francisco Tustumi, Flavio Roberto Takeda, Rodrigo Hideki Uema, Guilherme Luiz Stelko Pereira, Rubens Antonio Aissar Sallum, Ivan Cecconello
BACKGROUND: Most prevalent esophageal neoplasm is squamous cell carcinoma and adenocarcinoma. Other tumors are uncommon and poorly studied. Primary neuroendocrine esophageal neoplasm is a rare carcinoma and most of its therapy management is based on lung neuroendocrine studies. Neuroendocrine tumors can be clustered in the following subtypes: high grade (small cell carcinoma or large cell carcinoma) and low grade (carcinoids). OBJECTIVE: The present study aims to assess clinical and pathological neuroendocrine esophageal tumors in a single oncologic center...
January 2017: Arquivos de Gastroenterologia
https://www.readbyqxmd.com/read/28078875/circulating-srage-in-the-diagnosis-of-osteolytic-bone-metastasis
#9
E Galliera, M G Marazzi, E Vianello, L Drago, A Luzzati, P Bendinelli, P Maroni, L Tacchini, M A Desiderio, M M Corsi Romanelli
Despite the clinical importance of metastasis to the skeleton, the diagnostic tools for early detection and monitoring of bone metastasis lack sensitivity and specificity. We evaluated a promising new serum biomarker, the soluble form of the Receptor of Advanced Glycosylated End-products (sRAGE). sRAGE is involved in the Wnt-signaling pathway, and has been reported to reduce the risk of cancer. We investigated the diagnostic potential of sRAGE to improve the detection and monitoring of bone metastasis. We measured sRAGE in the serum of control healthy subjects, patients with primary tumors and patients with bone metastasis...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28076954/identification-of-genes-associated-with-breast-cancer-metastasis-to-bone-on-a-protein-protein-interaction-network-with-a-shortest-path-algorithm
#10
Yu-Dong Cai, Qing Zhang, Yu-Hang Zhang, Lei Chen, Tao Huang
Tumor metastasis is defined as the spread of tumor cells from one organ or part to another that is not directly connected to it, which significantly contributes to the progression and aggravation of tumorigenesis. Because it always involves multiple organs, the metastatic process is difficult to study in its entirety. Complete identification of the genes related to this process is an alternative way to study metastasis. In this study, we developed a computational method to identify such genes. To test our method, we selected breast cancer bone metastasis...
January 11, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28076009/delineating-extramammary-findings-at-breast-mr-imaging
#11
Yiming Gao, Opeyemi Ibidapo, Hildegard K Toth, Linda Moy
Breast magnetic resonance (MR) imaging is the only breast imaging modality that consistently encompasses extramammary structures in the thorax and upper abdomen. Incidental extramammary findings on breast MR images of patients with a history of breast cancer or other malignancies are significantly more likely to be malignant and may affect staging and treatment. An understanding of the frequency, distribution, and context of extramammary findings on breast MR images and a familiarity with common and uncommon sites of breast cancer metastasis inform the differential diagnosis and prompt the appropriate diagnostic next step, to differentiate benign from malignant findings...
January 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28075462/dnalk2-inhibits-the-proliferation-and-invasiveness-of-breast-cancer-mda-mb-231-cells-through-the-smad-dependent-pathway
#12
Ke Wang, Xiaoxiao Sun, Hong Lei Feng, Chang Fei, Yan Zhang
Breast cancer is one of the most common malignant neoplasms diagnosed in females worldwide. Bone morphogenetic proteins (BMPs), which belong to the TGF-β superfamily, regulate a wide range of cellular responses including cell proliferation, differentiation, adhesion, migration and apoptosis in breast cancer. BMPs can bind to type I and II serine/threonine kinase receptors to regulate cell proliferation, invasion, migration, and apoptosis. Type I receptors are expressed in various breast cancer cell lines and primary tumor samples...
February 2017: Oncology Reports
https://www.readbyqxmd.com/read/28074862/hypoxia-activates-wnt-%C3%AE-catenin-signaling-by-regulating-the-expression-of-bcl9-in-human-hepatocellular-carcinoma
#13
Wei Xu, Wang Zhou, Mo Cheng, Jing Wang, Zhian Liu, Shaohui He, Xiangji Luo, Wending Huang, Tianrui Chen, Wangjun Yan, Jianru Xiao
The Wnt/β-catenin signaling is abnormally activated in the progression of hepatocellular carcinoma (HCC). BCL9 is an essential co-activator in the Wnt/β-catenin signaling. Importantly, BCL9 is absent from tumors originating from normal cellular counterparts and overexpressed in many cancers including HCC. But the mechanism for BCL9 overexpression remains unknown. Ample evidence indicates that hypoxia inducible factors (HIFs) play a role in the development of HCC. It was found in our study that BCL9 was overexpressed in both primary HCC and bone metastasis specimens; loss of BCL9 inhibited the proliferation, migration and angiogenesis of HCC; and that that hypoxia mechanically induced the expression of BCL9...
January 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28072970/-histologic-classification-and-prognosis-factors-in-phyllodes-tumors-of-breast
#14
C Jia, F Mei, J Y Liu, H M Zhao, Y T Lei, J Su, S S Huang, J Zheng, J F You
Objective: To study the relationship between morphological characteristics, grading, diagnosis and prognosis in phyllodes tumors (PT) of the breast. Methods: A retrospective study was carried out on 83 PTs diagnosed between 1999 and 2003 that were classified semi-quantitatively according to the WHO recommendation. Follow-up data was available for some cases, and Cox regression analysis was used to evaluate factors affecting metastasis and recurrence. Results: All cases were classified into the benign (57.8%), borderline (28...
January 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28072621/risk-stratification-of-pediatric-patients-with-neuroblastoma-using-volumetric-parameters-of-18f-fdg-and-18f-dopa-pet-ct
#15
Chia-Ju Liu, Meng-Yao Lu, Yen-Lin Liu, Chi-Lun Ko, Kuan-Yin Ko, Kai-Yuan Tzen, Hsiu-Hao Chang, Yung-Li Yang, Shiann-Tarng Jou, Wen-Ming Hsu, Ruoh-Fang Yen
PURPOSE: This study determined the prognostic value of volumetric parameters derived from pretreatment F-FDG and F-DOPA PET/CT of neuroblastoma and their correlation with clinical and histopathologic features. PATIENTS AND METHODS: A total of 25 children with neuroblastoma underwent pretreatment F-FDG and F-DOPA PET/CT within 4 weeks. The SUVmax of primary tumors on F-FDG and F-DOPA PET were recorded as SUVFDG and SUVDOPA, respectively. For volumetric parameters of primary tumors, 40% of SUVmax was used to generate volume of interest...
January 9, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28071724/osteoclastic-mir-214-targets-traf3-to-contribute-to-osteolytic-bone-metastasis-of-breast-cancer
#16
Jin Liu, Defang Li, Lei Dang, Chao Liang, Baosheng Guo, Cheng Lu, Xiaojuan He, Hilda Y S Cheung, Bing He, Biao Liu, Fangfei Li, Jun Lu, Luyao Wang, Atik Badshah Shaikh, Feng Jiang, Changwei Lu, Songlin Peng, Zongkang Zhang, Bao-Ting Zhang, Xiaohua Pan, Lianbo Xiao, Aiping Lu, Ge Zhang
The role of osteoclastic miRNAs in regulating osteolytic bone metastasis (OBM) of breast cancer is still underexplored. Here, we examined the expression profiles of osteoclastogenic miRNAs in human bone specimens and identified that miR-214-3p was significantly upregulated in breast cancer patients with OBM. Consistently, we found increased miR-214-3p within osteoclasts, which was associated with the elevated bone resorption, during the development of OBM in human breast cancer xenografted nude mice (BCX). Furthermore, genetic ablation of osteoclastic miR-214-3p in nude mice prevent the development of OBM...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28070850/zolendronic-acid-conjugated-plga-ultrasmall-nanoparticle-loaded-with-methotrexate-as-a-supercarrier-for-bone-targeted-drug-delivery
#17
Vinay Raichur, Kusum Devi Vemula, Naini Bhadri, Rema Razdan
Drug delivery to deep-seated tissues such as bone has been a major complication till date. This preferential drug delivery is further important in targeting anti-tumour agents to bone metastasis owing to its complexity. The present study involves the formulation of PLGA nanoparticles and conjugation with zolendronic acid-a bisphosphonate which will anchor the nanosystem to bone due to its selective bone affinity. The conjugated nanosystem was characterized for particle size by TEM (average 36 nm) and morphology by AFM depicting surface irregularities due to ZOL conjugation on the surface of nanoparticles...
January 9, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28069877/bone-seeking-matrix-metalloproteinase-2-inhibitors-prevent-bone-metastatic-breast-cancer-growth
#18
Marilena Tauro, Gemma Shay, Samer S Sansil, Antonio Laghezza, Paolo Tortorella, Anthony M Neuger, Hatem Soliman, Conor C Lynch
Bone metastasis is common during breast cancer progression. Matrix metalloproteinase-2 (MMP-2) is significantly associated with aggressive breast cancer and poorer overall survival. In bone, tumor or host derived MMP-2 contributes to breast cancer growth and does so by processing substrates including type I collagen and transforming growth factorβ (TGFβ) latency proteins. These data provide strong rationale for the application of MMP-2 inhibitors to treat the disease. However, in vivo, MMP-2 is systemically expressed...
January 9, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28069516/disruption-of-collagen-apatite-alignment-impairs-bone-mechanical-function-in-osteoblastic-metastasis-induced-by-prostate-cancer
#19
Aiko Sekita, Aira Matsugaki, Takayoshi Nakano
Prostate cancer (PCa) frequently metastasizes to the bone, generally inducing osteoblastic alterations that increase bone brittleness. Although there is growing interest in the management of the physical capability of patients with bone metastasis, the mechanism underlying the impairment of bone mechanical function remains unclear. The alignment of both collagen fibrils and biological apatite (BAp) c-axis, together with bone mineral density, is one of the strongest contributors to bone mechanical function. In this study, we analyzed the bone microstructure of the mouse femurs with and without PCa cell inoculation...
January 6, 2017: Bone
https://www.readbyqxmd.com/read/28069070/successful-management-of-synchronous-recurrent-breast-carcinoma-with-chronic-myelogenous-leukemia-a-case-report
#20
Choukri Elm'hadi, Mohamed Reda Khmamouche, Rachid Tanz, Mehdi Toreis, ElMehdi Mahtat, Mohammed Allaoui, Mohammed Oukabli, Nezha Messaoudi, Hassan Errihani, Mohammed Ichou
BACKGROUND: Survival is increasing after early breast cancer revealing frequent relapses and possibility of developing secondary malignancies. The concomitant occurrence of these two events is exceptionally disastrous and lethal. We report a case of a Moroccan woman who was successfully managed for synchronous recurrent breast carcinoma and chronic myelogenous leukemia. CASE PRESENTATION: A 42-year-old Moroccan woman was diagnosed with localized breast carcinoma in 2008...
January 10, 2017: Journal of Medical Case Reports
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