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https://www.readbyqxmd.com/read/28447314/inhibition-of-the-insulin-like-growth-factor-1-receptor-potentiates-acute-effects-of-castration-in-a-rat-model-for-prostate-cancer-growth-in-bone
#1
Annika Nordstrand, Sofia Halin Bergström, Elin Thysell, Erik Bovinder-Ylitalo, Ulf H Lerner, Anders Widmark, Anders Bergh, Pernilla Wikström
Prostate cancer (PCa) patients with bone metastases are primarily treated with androgen deprivation therapy (ADT). Less pronounced ADT effects are seen in metastases than in primary tumors. To test if acute effects of ADT was enhanced by concurrent inhibition of pro-survival insulin-like growth factor 1 (IGF-1), rats were inoculated with Dunning R3327-G tumor cells into the tibial bone marrow cavity and established tumors were treated with castration in combination with IGF-1 receptor (IGF-1R) inhibitor NVP-AEW541, or by each treatment alone...
April 26, 2017: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/28447278/invasiveness-is-associated-with-metastasis-and-decreased-survival-in-hemangiopericytoma-of-the-central-nervous-system
#2
Connor J Kinslow, Raj S Rajpara, Cheng-Chia Wu, Samuel S Bruce, Peter D Canoll, Shih-Hsiu Wang, Adam M Sonabend, Sameer A Sheth, Guy M McKhann, Michael B Sisti, Jeffrey N Bruce, Tony J C Wang
Meningeal hemangiopericytoma (m-HPC) is a rare tumor of the central nervous system (CNS), which is distinguished clinically from meningioma by its tendency to recur and metastasize. The histological classification and grading scheme for m-HPC is still evolving and few studies have identified tumor features that are associated with metastasis. All patients at our institution with m-HPC were assessed for patient, tumor, and treatment characteristics associated with survival, recurrence, and metastasis. New findings were validated using the SEER database...
April 26, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28445300/malignant-phosphaturic-mesenchymal-tumor-with-pulmonary-metastasis-a-case-report
#3
Shui Qiu, Li-Li Cao, Yue Qiu, Ping Yan, Zi-Xuan Li, Jiang Du, Li-Mei Sun, Qing-Fu Zhang
RATIONALE: Phosphaturic mesenchymal tumor (PMT) is a new tumor entity of soft tissue and bone tumor recently accepted by the World Health Organization, which typically causes the paraneoplastic syndrome of tumor-induced osteomalacia (TIO). The majority of PMTs follow a benign clinical course and local recurrence occurs in < 10% of cases, malignant PMTs with distant organ metastasis are extremely uncommon. PATIENT CONCERNS: We reported a 41-year-old woman who was diagnosed with PMT 10 years ago with a repeated recurrence and pulmonary metastasis...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28443231/clinical-characteristics-and-risk-factors-analysis-of-lung-metastasis-of-benign-giant-cell-tumor-of-bone
#4
Yongkun Yang, Zhen Huang, Xiaohui Niu, Hairong Xu, Yuan Li, Weifeng Liu
Pulmonary metastasis of benign giant cell tumor of bone is very rare, and its biological behavior is difficult to predict. In the present study, we analyzed the clinical characteristics of and related risk factors for pulmonary metastasis of this tumor. Forty-six patients with lung metastasis were analyzed. In total, 60.9% of the primary tumors were located around the knee joint. The Campanacci stage of all tumors was stage 3. Surgery of the primary tumor included curettage in 37 patients, resection in 8, and amputation in 1...
June 2017: Journal of Bone Oncology
https://www.readbyqxmd.com/read/28440523/-outcome-of-watch-and-wait-strategy-or-organ-preservation-for-rectal-cancer-following-neoadjuvant-chemoradiotherapy-report-of-35-cases-from-a-single-cancer-center
#5
Aiwen Wu, Lin Wang, Changzheng Du, Yifan Peng, Yunfeng Yao, Jun Zhao, Tiancheng Zhan, Yong Cai, Yongheng Li, Yingshi Sun, Jiafu Ji
OBJECTIVE: To investigate the safety and efficacy of organ preservation surgery or "watch and wait" strategy for rectal cancer patients who are evaluated as clinical complete response(cCR) or near-cCR following neoadjuvant chemoradiotherapy (nCRT). METHOD: From March 2011 to June 2016, 35 patients with mid-low rectal cancers who were diagnosed as cCR or near-cCR following nCRT underwent organ preservation surgery with local excision or surveillance following "watch and wait" strategy in the Peking University Cancer Hospital...
April 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28439901/biomimetic-strategies-to-recapitulate-organ-specific-microenvironments-for-studying-breast-cancer-metastasis
#6
REVIEW
Akshay A Narkhede, Lalita A Shevde, Shreyas S Rao
The progression of breast cancer from the primary tumor setting to the metastatic setting is the critical event defining stage IV disease, no longer considered curable. The microenvironment at specific organ sites is known to play a key role in influencing the ultimate fate of metastatic cells; yet microenvironmental mediated-molecular mechanisms underlying organ specific metastasis in breast cancer are not well understood. This review discusses biomimetic strategies employed to recapitulate metastatic organ microenvironments, particularly, bone, liver, lung and brain to elucidate the mechanisms dictating metastatic breast cancer cell homing and colonization...
April 25, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28438385/small-molecules-inhibit-stat3-activation-autophagy-and-cancer-cell-anchorage-independent-growth
#7
Donghui Zhou, Maya Z Springer, David Xu, Degang Liu, Andy Hudmon, Kay F Macleod, Samy O Meroueh
Triple-negative breast cancers (TNBCs) lack the signature targets of other breast tumors, such as HER2, estrogen receptor, and progesterone receptor. These aggressive basal-like tumors are driven by a complex array of signaling pathways that are activated by multiple driver mutations. Here we report the discovery of 6 (KIN-281), a small molecule that inhibits multiple kinases including maternal leucine zipper kinase (MELK) and the non-receptor tyrosine kinase bone marrow X-linked (BMX) with single-digit micromolar IC50s...
March 23, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28437789/comparative-proteomics-uncovers-correlated-signaling-network-and-potential-biomarkers-for-progression-of-prostate-cancer
#8
Jianzhong Ai, Yi Lu, Qiang Wei, Hong Li
BACKGROUND/AIMS: Prostate cancer is one of the most common cancers for males worldwide, and it is prone to show the metastatic foci in lymph node and bone with high mortality. To date, the potential mechanism and the corresponding biomarkers for metastatic prostate cancer are still lacking. Hence, our study aims to clarify the mechanism of prostate cancer progression and identify the useful biomarkers for metastatic prostate cancer. METHODS: The proteins and network tightly associated with tumor metastasis were identified using quantitative proteomics...
January 10, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28433772/mesenchymal-stem-cells-induce-epithelial-to-mesenchymal-transition-in-colon-cancer-cells-through-direct-cell-to-cell-contact
#9
Hidehiko Takigawa, Yasuhiko Kitadai, Kei Shinagawa, Ryo Yuge, Yukihito Higashi, Shinji Tanaka, Wataru Yasui, Kazuaki Chayama
We previously reported that in an orthotopic nude mouse model of human colon cancer, bone marrow-derived mesenchymal stem cells (MSCs) migrated to the tumor stroma and promoted tumor growth and metastasis. Here, we evaluated the proliferation and migration ability of cancer cells cocultured with MSCs to elucidate the mechanism of interaction between cancer cells and MSCs. Proliferation and migration of cancer cells increased following direct coculture with MSCs but not following indirect coculture. Thus, we hypothesized that direct contact between cancer cells and MSCs was important...
April 20, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28433725/clinical-characteristics-and-surgical-treatment-of-spinal-paraganglioma-a-case-series-of-18-patients
#10
Mengchen Yin, Quan Huan, Zhengwang Sun, Shaohui He, Ye Xia, Wen Mo, Junming Ma, Jianru Xiao
BACKGROUND AND OBJECTIVES: Paraganglioma rarely develops in the spine. With few cases reported, little knowledge about this disease was known. The objective of this study is to illustrate the clinical features, imaging manifestations, pathological appearances and long-term outcomes of the consecutive surgeries by literature review. METHODS: The clinical and follow-up data of 18 patients who were diagnosed of spinal paraganglioma and treated with surgeries in our hospitals from 2003 to 2014 were retrospectively analyzed...
March 30, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28431716/invasive-medullary-type-a-thymoma-with-recurrent-distant-metastases
#11
Maria Cecilia Mengoli, Lucia Longo, Susanna Varini, Giulio Rossi, Filippo Lococo
Thymomas are rare epithelial mediastinal tumors showing a certain propensity for local and intrathoracic recurrences. Otherwise, extrathoracic metastases are very rarely reported and are usually associated with type B thymomas or thymic carcinomas. We present a challenging patient with an invasive (Masaoka-Koga stage IIb) medullary type A thymoma with recurrent extrathoracic metastases (pulmonary and vertebral localizations occurring 2 and 7 years after the initial radical thymectomy, respectively). Despite type A thymoma being considered a low-grade malignancy with a scarce propensity to recurrence, the present case should alert clinicians to the possibility of bone metastasis...
May 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28429277/primary-ewing-sarcoma-primitive-neuroectodermal-tumor-of-the-kidney-a-clinicopathologic-study-of-23-cases
#12
Paari Murugan, Priya Rao, Pheroze Tamboli, Bogdan Czerniak, Charles C Guo
Primary Ewing sarcoma / primitive neuroectodermal tumor (ES) of the kidney is a rare neoplasm with limited clinicopathologic data. We report 23 such cases with no history of ES elsewhere in the body. The patients included 13 male and 10 female, aged 8-70 years (mean, 31 years). The average tumor size was 11.7 cm (range, 5-20 cm). Microscopic analysis showed predominantly lobular growth (n = 14), with focal papillary (n = 3), alveolar (n = 1), and hemangiopericytoma-like (n = 1) patterns. Several tumors (n = 11) exhibited robust mitotic activity (>10 mitoses/10 high-power fields)...
April 20, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28428908/metastatic-squamous-cell-carcinoma-of-colon-from-esophageal-cancer
#13
Natasha Garg, Constance Stoehr, Yan Shi Zhao, Heather Rojas, Chung-Tsen Hsueh
BACKGROUND: Esophageal cancer including squamous cell carcinoma (SCC) and adenocarcinoma represents 4% of all cancers in the United States. Patients with esophageal cancer frequently present with locally advanced disease, and about 40% of patients have evidence of metastatic disease on presentation. Common sites of metastasis include liver, lung and bone. Here, we present a rare case of colonic metastasis from primary esophageal SCC. CASE PRESENTATION: A 60-year-old Caucasian male with a history of 20-pack-year cigarette smoking received surgery and adjuvant chemoradiotherapy for locally advanced SCC of larynx...
2017: Experimental Hematology & Oncology
https://www.readbyqxmd.com/read/28428718/clinical-implication-of-fdg-uptake-of-bone-marrow-on-pet-ct-in-gastric-cancer-patients-with-surgical-resection
#14
Jeong Won Lee, Moon-Soo Lee, Il Kwon Chung, Myoung Won Son, Young Sin Cho, Sang Mi Lee
AIM: To determine the relationship between F-18 fluorodeoxyglucose (FDG) uptake of bone marrow (BM) on positron emission tomography/computed tomography (PET/CT) and clinical factors and to assess the prognostic value of FDG uptake of BM in gastric carcinoma. METHODS: We retrospectively enrolled 309 gastric cancer patients who underwent staging FDG PET/CT and curative surgical resection. FDG uptake of primary tumor was visually classified as positive or negative FDG uptake...
April 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28428279/interaction-between-tumor-cell-surface-receptor-rage-and-proteinase-3-mediates-prostate-cancer-metastasis-to-bone
#15
Mikhail G Kolonin, Anna Sergeeva, Daniela I Staquicini, Tracey L Smith, Christy A Tarleton, Jeffrey J Molldrem, Richard L Sidman, Serena Marchiò, Renata Pasqualini, Wadih Arap
Human prostate cancer often metastasizes to bone, but the biological basis for such site-specific tropism remains largely unresolved. Recent work led us to hypothesize that this tropism may reflect pathogenic interactions between RAGE, a cell surface receptor expressed on malignant cells in advanced prostate cancer, and proteinase 3 (PR3), a serine protease present in inflammatory neutrophils and hematopoietic cells within the bone marrow microenvironment. In this study, we establish that RAGE-PR3 interaction mediates homing of prostate cancer cells to the bone marrow...
April 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28428107/clinicopathologic-factors-associated-with-survival-in-patients-with-breast-cancer-brain-metastasis
#16
Rong Li, Kui Zhang, Gene P Siegal, Shi Wei
Brain metastasis from breast cancer generally represents a catastrophic event yet demonstrates substantial biological heterogeneity. There have been limited studies solely focusing on the prognosis of patients with such metastasis. In this study, we carried out a comprehensive analysis in 108 consecutive patients with breast cancer brain metastases between 1997 and 2012 to further define clinicopathologic factors associated with early onset of brain metastasis and survival outcomes after development of them...
April 17, 2017: Human Pathology
https://www.readbyqxmd.com/read/28427196/breast-cancer-subtypes-predict-the-preferential-site-of-distant-metastases-a-seer-based-study
#17
Qi Wu, Juanjuan Li, Shan Zhu, Juan Wu, Chuang Chen, Qian Liu, Wen Wei, Yimin Zhang, Shengrong Sun
BACKGROUND AND AIMS: This study aimed to access possible relationships between breast cancer subtypes and sites of distant metastasis in breast cancer. RESULTS: A total of 243,896 patients, including 226,451 cases in control groups were identified. Bone metastasis was found in 8848 cases, compared with 1,000 brain metastasis cases, 3434 liver metastasis cases and 4167 lung metastasis cases. Patients with all subtypes were most prone to bone metastases, the incidence of bone metastasis in HR+/HER2+ subtype was up to 5...
March 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28425962/regulation-of-ubiquitin-enzymes-in-the-tgf-%C3%AE-pathway
#18
REVIEW
Prasanna Vasudevan Iyengar
The transforming growth factor-β (TGF-β) pathway has a tumor suppressor role in normal and premalignant cells but promotes oncogenesis in advanced cancer cells. Components of the pathway are tightly controlled by ubiquitin modifying enzymes and aberrations in these enzymes are frequently observed to dysregulate the pathway causing diseases such as bone disorders, cancer and metastasis. These enzymes and their counterparts are increasingly being tested as druggable targets, and thus a deeper understanding of the enzymes is required...
April 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28424404/upregulation-of-minichromosome-maintenance-complex-component-3-during-epithelial-to-mesenchymal-transition-in-human-prostate-cancer
#19
Paul A Stewart, Zahraa I Khamis, Haiyen E Zhau, Peng Duan, Quanlin Li, Leland W K Chung, Qing-Xiang Amy Sang
Metastasis is often associated with epithelial-to-mesenchymal transition (EMT). To understand the molecular mechanisms of this process, we conducted proteomic analysis of androgen-repressed cancer of the prostate (ARCaP), an experimental model of metastatic human prostate cancer. The protein signatures of epithelial (ARCaPE) and mesenchymal (ARCaPM) cells were consistent with their phenotypes. Importantly, the expression of mini-chromosome maintenance 3 (MCM3) protein, a crucial subunit of DNA helicase, was significantly higher in ARCaPM cells than that of ARCaPE cells...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423684/prognostic-clinicopathologic-factors-in-carcinoma-of-unknown-primary-origin-a-study-of-106-consecutive-cases
#20
Junjeong Choi, Ji Hae Nahm, Sang Kyum Kim
A heterogeneous group of cancers for which the site of origin remains occult after detailed investigations is defined as carcinomas of unknown primary origin (CUPs). Because patients with CUP have a dismal prognosis, we have analyzed CUPs to highlight the implication of clinicopathologic factors related with patient survival. A total of 106 consecutive cases of CUP were collected. A two-step strategy of immunohistochemistry to assess CUPs according NCCN Guidelines is used to separate carcinomatous tumors and subtype carcinomas...
March 8, 2017: Oncotarget
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