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https://www.readbyqxmd.com/read/28813676/pharmacologic-or-genetic-targeting-of-glutamine-synthetase-skews-macrophages-toward-an-m1-like-phenotype-and-inhibits-tumor-metastasis
#1
Erika M Palmieri, Alessio Menga, Rosa Martín-Pérez, Annamaria Quinto, Carla Riera-Domingo, Giacoma De Tullio, Douglas C Hooper, Wouter H Lamers, Bart Ghesquière, Daniel W McVicar, Attilio Guarini, Massimiliano Mazzone, Alessandra Castegna
Glutamine-synthetase (GS), the glutamine-synthesizing enzyme from glutamate, controls important events, including the release of inflammatory mediators, mammalian target of rapamycin (mTOR) activation, and autophagy. However, its role in macrophages remains elusive. We report that pharmacologic inhibition of GS skews M2-polarized macrophages toward the M1-like phenotype, characterized by reduced intracellular glutamine and increased succinate with enhanced glucose flux through glycolysis, which could be partly related to HIF1α activation...
August 15, 2017: Cell Reports
https://www.readbyqxmd.com/read/28813674/an-integrated-systems-biology-approach-identifies-trim25-as-a-key-determinant-of-breast-cancer-metastasis
#2
Logan A Walsh, Mariano J Alvarez, Erich Y Sabio, Marsha Reyngold, Vladimir Makarov, Suranjit Mukherjee, Ken-Wing Lee, Alexis Desrichard, Şevin Turcan, Martin G Dalin, Vinagolu K Rajasekhar, Shuibing Chen, Linda T Vahdat, Andrea Califano, Timothy A Chan
At the root of most fatal malignancies are aberrantly activated transcriptional networks that drive metastatic dissemination. Although individual metastasis-associated genes have been described, the complex regulatory networks presiding over the initiation and maintenance of metastatic tumors are still poorly understood. There is untapped value in identifying therapeutic targets that broadly govern coordinated transcriptional modules dictating metastatic progression. Here, we reverse engineered and interrogated a breast cancer-specific transcriptional interaction network (interactome) to define transcriptional control structures causally responsible for regulating genetic programs underlying breast cancer metastasis in individual patients...
August 15, 2017: Cell Reports
https://www.readbyqxmd.com/read/28813639/exploitation-of-gene-expression-and-cancer-biomarkers-in-paving-the-path-to-era-of-personalized-medicine
#3
REVIEW
Hala Fawzy Mohamed Kamel, Hiba Saeed A Bagader Al-Amodi
Cancer therapy agents have been used extensively as cytotoxic drugs against tissue or organ of a specific type of cancer. With the better understanding of molecular mechanisms underlying carcinogenesis and cellular events during cancer progression and metastasis, it is now possible to use targeted therapy for these molecular events. Targeted therapy is able to identify cancer patients with dissimilar genetic defects at cellular level for the same cancer type and consequently requires individualized approach for treatment...
August 13, 2017: Genomics, Proteomics & Bioinformatics
https://www.readbyqxmd.com/read/28813488/role-of-post-chemotherapy-radiation-in-the-management-of-children-and-adolescents-with-primary-advanced-malignant-mediastinal-germ-cell-tumors
#4
Junting Huang, Yuting Tan, Zijun Zhen, Suying Lu, Feifei Sun, Jia Zhu, Juan Wang, Ru Liao, Xiaofei Sun
OBJECTIVE: Primary malignant mediastinal germ cell tumors (MMGCTs) are rare in children and adolescents and have a poorer prognosis than their gonadal counterparts. We report a single institutional experience of a 10-year period of primary advanced MMGCTs treated with chemotherapy, followed by radiotherapy in those who had residual mass. METHODS: Children and adolescents with primary advanced MMGCTs between 2005 and 2014 were identified from the Cancer Center, Sun Yat-Sen University...
2017: PloS One
https://www.readbyqxmd.com/read/28813199/hypoglossal-canal-lesions-distinctive-imaging-features-and-simple-diagnostic-algorithm
#5
Steven M Weindling, Christopher P Wood, Joseph M Hoxworth
OBJECTIVE: The objective of this study is to compare the prevalence of hypoglossal canal lesions and identify differentiating imaging features. MATERIALS AND METHODS: A 15-year retrospective review of lesions of the hypoglossal nerve and hypoglossal canal, excluding those in patients with metastasis or prior head and neck cancer and those treated with radiation or surgery, was performed. Clinical findings and lesion imaging features were documented. The contrast-enhanced T1-weighted non-enhancing cystic component of hypoglossal schwannomas was compared with size-matched pathologically proven vestibular schwannomas...
August 16, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28813196/hepatic-parenchymal-heterogeneity-as-a-marker-for-oxaliplatin-induced-sinusoidal-obstruction-syndrome-correlation-with-treatment-response-of-colorectal-cancer-liver-metastases
#6
Na Yeon Han, Beom Jin Park, Kyung Sook Yang, Min Ju Kim, Deuk Jae Sung, Ki Choon Sim, Sung Bum Cho
OBJECTIVE: The objective of our study was to evaluate the influence of oxaliplatin-based chemotherapy (OBC)-induced hepatic parenchymal heterogeneity detected on contrast-enhanced CT scans on response of liver metastasis. We chose to study hepatic parenchymal heterogeneity on the basis of the assumption that hepatic parenchymal heterogeneity may indicate the presence of chemotherapy-induced sinusoidal obstruction syndrome (SOS). MATERIALS AND METHODS: For this retrospective study, 104 patients with hepatic metastases from colorectal cancer (male-female ratio, 66:38; age range, 20-80 years) who had undergone OBC and serial CT studies were consecutively registered...
August 16, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28813180/inflammatory-signaling-cascades-and-autophagy-in-cancer
#7
Teresa Monkkonen, Jayanta Debnath
Tumor-associated inflammation is predictive of poor prognosis and drives a variety of tumorigenic phenotypes, including tumor proliferation and survival, angiogenesis, invasiveness, and metastasis. Here, we review mammalian data addressing the interaction of macroautophagy/autophagy with key signaling cascades associated with tumor inflammation. Although our understanding of this area remains incomplete, certain inflammatory pathways have emerged as important mediators of the crosstalk between autophagy and inflammation in tumors...
August 16, 2017: Autophagy
https://www.readbyqxmd.com/read/28812983/a-microfluidic-platform-for-modeling-metastatic-cancer-cell-matrix-invasion
#8
Laura Blaha, Chentian Zhang, Mario Cabodi, Joyce Y Wong
Invasion of the extracellular matrix is a critical step in the colonization of metastatic tumors. The invasion process is thought to be driven by both chemokine signaling and interactions between invading cancer cells and physical components of the metastatic niche, including endothelial cells that line capillary walls and serve as a barrier to both diffusion and invasion of the underlying tissue. Transwell chambers, a tool for generating artificial chemokine gradients to induce cell migration, have facilitated recent work to investigate the chemokine contributions to matrix invasion...
August 16, 2017: Biofabrication
https://www.readbyqxmd.com/read/28812954/mesenchymal-chondrosarcoma-of-the-orbit-a-case-report-with-5%C3%A2-years-of-follow-up
#9
Md Shahid Alam, Nirmala Subramanian, Akruti Sunil Desai, S Krishnakumar
Mesenchymal chondrosarcoma is a rare orbital tumor. Several case reports of this rare tumor have been published in the literature but only 6 cases have documented a follow up of 5 years or more. We report a case of 28 year-old female who presented with left orbital mass. Computed Tomography (CT) revealed a lobulated mass in the superior extraconal space with dense intralesional calcification. Patient underwent complete resection of the mass and histopathology was suggestive of mesenchymal chondrosarcoma. He was given adjuvant radiotherapy and there was no recurrence or metastasis at 5 years of follow-up...
August 16, 2017: Orbit
https://www.readbyqxmd.com/read/28812533/immunoreactivity-of-canine-liposarcoma-to-muscle-and-brown-adipose-antigens
#10
Elise Eva Bella LaDouceur, Sarah E Stevens, Jason Wood, Christopher M Reilly
Liposarcoma, rhabdomyosarcoma, and hibernoma share some overlapping histologic and immunohistochemical features. Although immunohistochemistry (IHC) is commonly used in the diagnosis of these neoplasms, expression of muscle markers has been reported in human liposarcoma and canine hibernoma in addition to rhabdomyosarcoma. Thus, these neoplasms are a diagnostic challenge but important to distinguish because of differences in prognosis and treatment. Rhabdomyosarcoma and liposarcoma are both malignant, but rhabdomyosarcoma has a higher potential for metastasis...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28812395/current-research-on-circular-rnas-associated-with-colorectal-cancer
#11
Penghui Wang, Xiaodong He
Representing a novel type of endogenous noncoding RNAs, circular RNAs (circRNAs) have recently gained much attention for their involvement in multiple biological processes. CircRNAs are ubiquitously expressed in eukaryotic cells and modulate gene expression by acting as sponges of microRNAs (miRNAs) or other proteins, such as RNA-binding proteins (RBPs). Due to their unique structure, circRNAs are more stable than linear RNAs. Expression profiles of circRNAs are associated with clinicopathological characteristics of colorectal cancer patients, such as differentiation, TNM classification and distant metastasis...
August 16, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28812296/mxr7-facilitates-liver-cancer-metastasis-via-epithelial-mesenchymal-transition
#12
Guishuai Lv, Yexiong Tan, Hongwei Lv, Tian Fang, Changzheng Wang, Ting Li, Yanting Yu, Congli Hu, Wen Wen, Hongyang Wang, Wen Yang
MXR7 is a cell-surface protein and highly expressed in hepatocellular carcinoma (HCC). The aim of this study is to determine the expression profile of MXR7 in HCC and investigate the influence of MXR7 on invasion and metastasis of HCC cells. For this purpose, immunohistochemical assay was used to identify the differential expression of MXR7 in 94 HCC specimens. Expression of MXR7 in 4 pairs of HCC and portal vein tumor thrombus (PVTT) was also tested. The motility of HCC cells were characterized by transwell migration and matrigel invasion assays...
August 11, 2017: Science China. Life Sciences
https://www.readbyqxmd.com/read/28812020/pretreatment-serum-cystatin-c-levels-predict-renal-function-but-not-tumor-characteristics-in-patients-with-prostate-neoplasia
#13
Feilong Yang, Dawei Li, Yu Di, Yongzhen Zhang, Yuanwei Zang, Juchao Ren, Lei Yan, Zunlin Zhou, Hainan Liu, Zhonghua Xu
To evaluate the role of Cystatin C (Cys-C) in tumorigenesis and progression of prostate cancer (PCa), we retrospectively collected the clinical information from the records of 492 benign prostatic hyperplasia (BPH), 48 prostatic intraepithelial neoplasia (PIN), and 173 PCa patients, whose disease was newly diagnosed and histologically confirmed. Pretreatment serum Cys-C levels were compared across the various groups and then analyzed to identify relationships, if any, with clinical and pathological characteristics of the PCa patient group...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28812012/spinal-cord-injury-due-to-tumour-or-metastasis-in-arag%C3%A3-n-northeastern-spain-1991-2008-incidence-time-trends-and-neurological-function
#14
Maayken Elizabeth Louise van den Berg, Juan M Castellote, Jose Ignacio Mayordomo, Ignacio Mahillo-Fernandez, Jesus de Pedro-Cuesta
PURPOSE: Understanding the presentation of spinal cord injury (SCI) due to tumours considering population distribution and temporal trends is key to managing SCI health services. This study quantified incidence rates, function scores, and trends of SCI due to tumour or metastasis over an 18-year time period in a defined region in Spain. METHODS: A retrospective cohort study included in-and outpatients with nontraumatic SCI due to tumour or metastasis admitted to a metropolitan hospital in Spain between 1991 and 2008...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28811947/solitary-skull-metastasis-as-the-first-presentation-of-a-metachronous-primary-lung-cancer-in-a-survivor-from-pancreatic-cancer
#15
Ali Altalhy, Yazid Maghrabi, Zuhoor Almansouri, Saleh S Baeesa
Skull metastasis from lung cancer is relatively common, yet the first presentation for this malignant disease is a rare occurrence. We herein report a case of a 54-year-old female, who had a good outcome following Whipple procedure for periampullary adenocarcinoma five years before her current presentation. During a routine follow-up, she was found to have a slowly progressive painless right parietal swelling. The systemic screening workup revealed no abdominal disease, but a solitary pulmonary nodule was identified...
2017: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/28811928/hepatocellular-carcinoma-with-disseminated-skeletal-muscle-metastasis
#16
Ezamin Abdul Rahim, Mohamad Sf Noh, Nur A Ngah, Mohamad S Suraini, Mubarak M Yusof
Hepatocellular carcinoma (HCC) is the commonest primary tumor of the liver and carries a poor prognosis when diagnosed late or left untreated. Treatment relies heavily on the stage of the tumor when diagnosed. Extrahepatic metastasis is known to occur; these are mainly reported via autopsy studies or isolated case reports. Knowledge of extrahepatic metastasis is crucial in order to avoid unnecessary surgery. We report a rare case of a patient at our center, diagnosed to have HCC, who underwent treatment successfully, only to come back with extrahepatic metastasis to the skeletal muscles...
July 2017: Acta Radiologica Open
https://www.readbyqxmd.com/read/28811825/ethanol-extract-of-mylabris-phalerata-inhibits-m2-polarization-induced-by-recombinant-il-4-and-il-13-in-murine-macrophages
#17
Hwan-Suck Chung, Bong-Seon Lee, Jin Yeul Ma
Mylabris phalerata (MP) is an insect used in oriental herbal treatments for tumor, tinea infections, and stroke. Recent studies have shown that tumor-associated macrophages (TAM) have detrimental roles such as tumor progression, angiogenesis, and metastasis. Although TAM has phenotypes and characteristics in common with M2-polarized macrophages, M1 macrophages have tumor suppression and immune stimulation effects. Medicines polarizing macrophages to M1 have been suggested to have anticancer effects via the modulation of the tumor microenvironment...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28811771/predictive-value-of-stathmin-1-and-osteopontin-expression-for-taxan-resistance-in-metastatic-castrate-resistant-prostate-cancer
#18
Asude Aksoy, Gokhan Artas, Omur Gokmen Sevindik
OBJECTIVE: Several pathways are known to be activated during metastasis and treatment of cancer. We investigated the role of osteopontin (OPN) and stathmin-1 (STHMN1) in metastatic castrate-resistant (mCRPC). METHODS: We included 30 patients who received at least 6 cycles of taxane regimen for metastatic mPC in the present study. For this study retrospective data was taken from Firat University, Faculty of Medicine, Medical Oncology Department between 2009 and 2015...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28811711/fibroblast-derived-cxcl12-sdf-1%C3%AE-promotes-cxcl6-secretion-and-co-operatively-enhances-metastatic-potential-through-the-pi3k-akt-mtor-pathway-in-colon-cancer
#19
Jia-Chi Ma, Xiao-Wen Sun, He Su, Quan Chen, Tian-Kang Guo, Yuan Li, Xiao-Chang Chen, Jin Guo, Zhen-Qiang Gong, Xiao-Dan Zhao, Jian-Bo Qi
AIM: To investigate the underlying mechanism by which CXCL12 and CXCL6 influences the metastatic potential of colon cancer and internal relation of colon cancer and stromal cells. METHODS: Western blotting was used to detect the expression of CXCL12 and CXCL6 in colon cancer cells and stromal cells. The co-operative effects of CXCL12 and CXCL6 on proliferation and invasion of colon cancer cells and human umbilical vein endothelial cells (HUVECs) were determined by enzyme-linked immunosorbent assay, and proliferation and invasion assays...
July 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28811384/loss-of-spdef-and-gain-of-tgfbi-activity-after-androgen-deprivation-therapy-promote-emt-and-bone-metastasis-of-prostate-cancer
#20
Wei-Yu Chen, Yuan-Chin Tsai, Hsiu-Lien Yeh, Florent Suau, Kuo-Ching Jiang, Ai-Ning Shao, Jiaoti Huang, Yen-Nien Liu
Androgen deprivation therapy (ADT) targeting the androgen receptor (AR) is a standard therapeutic regimen for treating prostate cancer. However, most tumors progress to metastatic castration-resistant prostate cancer after ADT. We identified the type 1, 2, and 4 collagen-binding protein transforming growth factor-β (TGFβ)-induced protein (TGFBI) as an important factor in the epithelial-to-mesenchymal transition (EMT) and malignant progression of prostate cancer. In prostate cancer cell lines, AR signaling stimulated the activity of the transcription factor SPDEF, which repressed the expression of TGFBI ADT, AR antagonism, or overexpression of TGFBI inhibited the activity of SPDEF and enhanced the proliferation rates of prostate cancer cells...
August 15, 2017: Science Signaling
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