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https://www.readbyqxmd.com/read/28636973/amide-to-triazole-switch-vs-in-vivo-nep-inhibition-approaches-to-promote-radiopeptide-targeting-of-grpr-positive-tumors
#1
Theodosia Maina, Aikaterini Kaloudi, Ibai E Valverde, Thomas L Mindt, Berthold A Nock
INTRODUCTION: Radiolabeled bombesin (BBN)-analogs have been proposed for diagnosis and therapy of gastrin-releasing peptide receptor (GRPR)-expressing tumors, such as prostate, breast and lung cancer. Metabolic stability represents a crucial factor for the success of this approach by ensuring sufficient delivery of circulating radioligand to tumor sites. The amide-to-triazole switch on the backbone of DOTA-PEG4-[Nle(14)]BBN(7-14) (1) was reported to improve the in vitro stability of resulting (177)Lu-radioligands...
June 10, 2017: Nuclear Medicine and Biology
https://www.readbyqxmd.com/read/28635228/-mechanism-of-long-non-coding-rna-metastasis-associated-lung-adenocarcinoma-transcript-1-induced-invasion-and-metastasis-of-esophageal-cancer-cell-ec-109
#2
Q Q Zhang, Y H Cui, Y Wang, W Z Kou, F Cao, X J Cao, Z H Miao, X H Kang
Objective: To investigate the effect and mechanism of long non-coding RNA-metastasis associated lung adenocarcinoma transcript 1, (LncRNA-MALAT1) on invasion and metastasis of esophageal cancer cell EC-109. Methods: EC-109 cells were transfected with lentiviral vector carrying short hairpin RNA of MALAT1( shRNA-MALAT1) or a nonspecific shRNA control (shRNA-control). The expressions of MALAT1, microRNA-200a, ZEB1 and ZEB2 were detected by qRT-PCR. The effect of shRNA-MALAT1 on invasion of EC-109 cells was determined by transwell assay...
June 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28634315/-a-case-of-metastatic-brain-tumor-complicated-by-multiple-repeated-hemorrhages
#3
Kentaro Hayashi, Yukishige Hayashi, Yoshitaka Matsuo, Kiyoshi Shirakawa, Makio Kaminogo
Metastatic brain tumor occasionally results in multiple cerebral hemorrhages. Here, we report a case of metastatic brain tumor complicated by multiple repeated cerebral hemorrhages. An 80-year-old man with a history of removal of lung cancer was admitted to our hospital because of disturbed consciousness following headache. A brain CT revealed a mass lesion of 40-mm diameter in the left cerebellum and a mass lesion of 2-mm diameter in the right temporal lobe. The cerebellar mass lesion showed homogeneous iso-density, indicating a subacute phase hemorrhage...
June 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28634225/homeobox-transcription-factor-nkx2-1-promotes-cyclin-d1-transcription-in-lung-adenocarcinomas
#4
Masanori Harada, Satoshi Sakai, Tatsuya Ohhata, Kyoko Kitagawa, Masashi Mikamo, Koji Nishimoto, Chiharu Uchida, Hiroyuki Niida, Yojiro Kotake, Haruhiko Sugimura, Takafumi Suda, Masatoshi Kitagawa
The known oncogene cyclin D1 (CCND1) participates in progression of the cell cycle from G1 to S phase. Expression of cyclin D1 is frequently promoted in multiple human cancers including non-small cell lung cancer (NSCLC). However, a relationship between cyclin D1 expression and the prognosis of NSCLC has not been confirmed. NKX2-1 is a homeobox transcription factor involved in pulmonary development as a differentiation-promoting factor. In NSCLC, it acts as a metastasis suppressor and correlates with a good prognosis...
June 20, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28633596/laparotomy-site-implantation-metastasis-of-carcinoma-of-the-papilla-of-vater
#5
Milan Radojkovic, Jasmina Gligorijevic, Miroslav Stojanovic, Goran Stanojevic, Ivan Ilic
Introduction Carcinomas of the papilla of Vater make up a heterogeneous group of tumours arising from different types of epithelium. Regional lymph nodes, liver and lungs are the primary sites of metastatic progression of these tumours. Case presentation We present a patient with an abdominal incision site metastasis of low-grade (mixed type) adenocarcinoma of the papilla of Vater one year after pylorus-preserving pancreaticoduodenectomy. Implantation metastasis of low-grade ampullary carcinoma in the laparotomy wound after open Whipple's procedure is unusual...
January 1, 2017: Scottish Medical Journal
https://www.readbyqxmd.com/read/28633480/a-prospective-examination-of-circulating-tumor-cell-profiles-in-non-small-cell-lung-cancer-molecular-subgroups
#6
C R Lindsay, V Faugeroux, S Michiels, E Pailler, F Facchinetti, D Ou, M V Bluthgen, C Pannet, M Ngo-Camus, G Bescher, C Caramella, F Billiot, J Remon, D Planchard, J-C Soria, B Besse, F Farace
Background: We report the first study examining the clinical, numerical and biological properties of circulating tumor cells (CTCs) according to molecular subtypes of non-small cell lung cancer (NSCLC). Patients and Methods: 125 patients with treatment-naïve stage IIIb-IV NSCLC were prospectively recruited for CellSearch analysis. Anti-vimentin antibody was included for examination of CTCs to assess their mesenchymal character. Associations of total CTCs and vimentin-positive (vim +) CTCs with clinical characteristics, tumor genotype and survival were assessed...
June 19, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28632689/18f-fdg-uptake-in-ischemic-colitis-during-follow-up-of-a-patient-with-lung-cancer
#7
Sofia C Vaz, Carla Oliveira, Joana C Castanheira, Ângelo F Silva, Durval C Costa
A 61-year-old man with previous history of lung adenocarcinoma underwent 2 F-FDG PET/CT investigations. The first for assessment of enlarged mediastinal lymph nodes revealed an area of increased FDG uptake in the sigmoid colon (located at the right pelvis). Colonoscopy showed a segmental area of ischemic sigmoid colitis, confirmed on histology postbiopsy. The asymptomatic man had no risk factors, and no specific treatment was administered, apart from supportive measures. One year later, there was no significantly abnormal uptake on PET/CT...
June 19, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28631563/prognostic-significance-of-glutathione-peroxidase-2-in-gastric-carcinoma
#8
Dongzhe Liu, Liang Sun, Jinxue Tong, Xiuhui Chen, Hui Li, Qifan Zhang
Increasing evidence suggests that the glutathione peroxidase 2 may actually play important roles in tumorigenesis and progression in various human cancers such as colorectal carcinomas and lung adenocarcinomas. However, the role of glutathione peroxidase 2 in gastric carcinoma remains to be determined. In this study, the expression and prognostic significance of glutathione peroxidase 2 in gastric carcinoma were investigated and the well-known prognostic factor Ki-67 labeling index was also assessed as positive control...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28631135/long-term-clinical-benefit-from-salvage-egfr-tyrosine-kinase-inhibitors-in-advanced-non-small-cell-lung-cancer-patients-with-egfr-wild-type-tumors
#9
F Koinis, A Voutsina, A Kalikaki, A Koutsopoulos, E Lagoudaki, E Tsakalaki, E K Dermitzaki, E Kontopodis, A G Pallis, V Georgoulias, A Kotsakis
BACKGROUND: Erlotinib has been approved for the management of NSCLC patients after failure of the first or subsequent line of chemotherapy. Although the efficacy of erlotinib is clearly associated with the presence of EGFR mutations, there is a subset of patients with EGFR wild-type (EGFRwt) tumors who impressively respond. PATIENTS AND METHODS: Patients with EGFRwt NSCLC who received salvage (≥2nd line) treatment with erlotinib for a prolonged period (>6 months), were sought from the database of the Hellenic Oncology Research Group...
June 19, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28629842/indications-for-sublobar-resection-of-clinical-stage-ia-radiologic-pure-solid-lung-adenocarcinoma
#10
Aritoshi Hattori, Takeshi Matsunaga, Kazuya Takamochi, Shiaki Oh, Kenji Suzuki
OBJECTIVES: The aim of this study was to identify clinical factors associated with lepidic growth in resected clinical stage IA radiologic pure-solid lung adenocarcinoma for identifying a possible sublobar resection candidate in the population. METHODS: Clinicopathologic data were reviewed for 200 surgically resected clinical stage IA pure-solid lung adenocarcinomas. Radiologic pure-solid tumor was defined as a tumor without a ground-glass opacity component, that is, a consolidation tumor ratio equal to 1...
May 18, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28628492/complete-remission-of-intrathecal-metastases-with-lorlatinib-therapy-in-a-heavily-pretreated-alk-positive-lung-cancer-patient
#11
Maximilian J Hochmair, Sophia Schwab, Helmut Prosch
Patients with lung cancer who show EML4-ALK translocation are routinely treated with ALK tyrosine kinase inhibitors, although in the majority of cases, these patients develop resistance over time. The central nervous system is a common of site of recurrence in this population, which calls for next-generation drugs that can penetrate into the brain and achieve clinically meaningful central nervous system activity. Here, I report the case of a female patient diagnosed with adenocarcinoma of the lung in 2005, at the age of 46 years, who underwent lobectomy and then experienced a series of progression episodes 6 years later...
June 16, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28628162/-distant-metastases-of-malignant-salivary-gland-carcinoma-after-treated-by-125-i
#12
(no author information available yet)
OBJECTIVE: To investigate clinical features of distant metastases from malignant salivary gland carcinomas after treated by (125)I internal brachy therapy alone. METHODS: Between 2002 and 2010, 43 patients with locally advanced unresectable or recurrent malignant salivary gland carcinomas were treated by (125)I internal brachy therapy alone at Peking University School and Hospital of Stomatology. All of them had been follow-up at least 2 years. The primary sites of malignant salivary gland carcinomas were the parotid for 12 patients, infratemporal fossa for 9 patients, tongue for 7 patients, maxilla for 6 patients, parapharyngeal for 4 patients, floor of months for 3 patients, submandibular gland for 1 patient, and lip for 1 patient...
June 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28627406/multi-omics-facilitated-variable-selection-in-cox-regression-model-for-cancer-prognosis-prediction
#13
Cong Liu, Xujun Wang, Georgi Z Genchev, Hui Lu
Motivation New developments in high-throughput genomic technologies have enabled the measurement of diverse types of omics biomarkers in a cost-efficient and clinically-feasible manner. Developing computational methods and tools for analysis and translation of such genomic data into clinically-relevant information is an ongoing and active area of investigation. For example, several studies have utilized an unsupervised learning framework to cluster patients by integrating omics data. Despite such recent advances, predicting cancer prognosis using integrated omics biomarkers remains a challenge...
June 13, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28626632/synchronous-mucinous-and-non-mucinous-lung-adenocarcinomas-with-different-epidermal-growth-mutational-status
#14
Rita Linhas, David Tente, Margarida Dias, Ana Barroso
In recent years, the spread of more-sensitive diagnostic methods has resulted in an increase of synchronous multiple primary lung cancer diagnosis. Nevertheless, its occurrence is still rare. Distinction between synchronous lesions from second independent primary tumors is a problem when dealing with multiple lung tumors, particularly if the histological type is the same. We present a case report of a 78-year-old female patient referred to our institution due to pneumonia. A subsequent thoracic computed tomography (CT) was performed showing two suspicious lesions, one in the right upper lobe and the other in the right inferior lobe...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28626399/sigmoid-adenocarcinoma-with-regional-scrotal-metastasis
#15
Brenen P Swofford, Tomislav Dragovich
Colorectal cancer is a common disease, representing the third and second most common cause of cancer death in the United States in women and men, respectively. [Ahnen et al.: Mayo Clin Proc 2014;89: 216-224; Siegel et al.: CA Cancer J Clin 2016;66: 7]. It is estimated that 20% of patients have distant metastatic disease at time of diagnosis [Ahnen et al.: Mayo Clin Proc 2014;89: 216-224; Siegel et al.: CA Cancer J Clin 2016;66: 7]. The most common metastatic sites include regional lymph nodes, liver, lungs, and peritoneum via lymphatic/hematogenous dissemination as well as contiguous and transperitoneal routes [Ahnen et al...
May 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28626398/esophageal-metastasis-from-rectal-cancer-successfully-treated-with-fluorouracil-based-chemotherapy-with-bevacizumab-a-case-report-and-review-of-the-literature
#16
Sho Watanabe, Atsuo Takashima, Hirokazu Taniguchi, Yusaku Tanaka, Shoko Nakamura, Natsuko Okita, Yoshitaka Honma, Satoru Iwasa, Ken Kato, Tetsuya Hamaguchi, Narikazu Boku
Esophageal metastasis from colorectal carcinoma is uncommon, and diagnosis of esophageal metastasis is difficult. We report a case of a 54-year-old woman with postoperative recurrence of rectal cancer metastasizing to the esophagus. She underwent rectectomy and adjuvant chemotherapy with fluorouracil, leucovorin plus oxaliplatin for stage IIIB rectal cancer. Three years later, she presented with dysphagia and cough. Computed tomography showed thickening of the esophagus wall, enlargement of the lymph nodes in the mediastinum and abdomen, and ground-glass opacities in the right lung...
May 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28626164/diagnostic-significance-of-measuring-vascular-endothelial-growth-factor-for-the-differentiation-between-malignant-and-tuberculous-pleural-effusion
#17
Hak-Ryul Kim, Byoung-Ryun Kim, Rae-Kil Park, Kwon-Ha Yoon, Eun-Taik Jeong, Ki-Eun Hwang
Malignancy and tuberculosis are common causes of lymphocytic exudative pleural effusion. However, it is occasionally difficult to differentiate malignant pleural effusion from tuberculous pleural effusion. Vascular endothelial growth factor (VEGF) is a critical cytokine in the pathogenesis of malignant pleural effusion. Endocan is a dermatan sulfate proteoglycan that is secreted by endothelial cells. Importantly, endocan mediates the vascular growth-promoting action of VEGF. The aim of this study was to evaluate the diagnostic significance of VEGF and endocan in pleural effusion...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28625654/line-1-hypomethylation-is-associated-to-specific-clinico-pathological-features-in-stage-i-non-small-cell-lung-cancer
#18
Andrea Imperatori, Nora Sahnane, Nicola Rotolo, Francesca Franzi, Elisa Nardecchia, Laura Libera, Chiara Romualdi, Maria Cattoni, Fausto Sessa, Lorenzo Dominioni, Daniela Furlan
OBJECTIVES: We hypothesize that selected genetic and/or epigenetic changes associated with advanced tumours may help identifying early non-small cell lung cancers (NSCLCs) that recur after resection. Among epigenetic changes, long interspersed nuclear element-1 (LINE-1) hypomethylation is seen early during carcinogenesis and may act in concert with genetic alterations to cancer progression. LINE-1 hypomethylation and gene mutations frequently involved in lung cancer, were analysed to evaluate their prognostic role in resected stage I NSCLC...
June 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28625652/symptomatic-leptomeningeal-metastasis-improvement-with-nivolumab-in-advanced-non-small-cell-lung-cancer-patient
#19
Maria Gion, Jordi Remon, Caroline Caramella, Jean-Charles Soria, Benjamin Besse
Leptomeningeal metastasis (LM) is reported in 3.8% of non-small-cell lung cancer (NSCLC) patients, more frequently in adenocarcinoma, and it correlates with poor prognosis. Data regarding the activity of immune checkpoint inhibitors in LM is lacking. We present a case report about the efficacy of nivolumab in a patient with advanced NSCLC and symptomatic LM.
June 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28625646/egfr-exon-18-dele709_t710insd-mutated-stage-iv-lung-adenocarcinoma-with-response-to-afatinib
#20
Uroosa Ibrahim, Amina Saqib, Jean Paul Atallah
Epidermal Growth Factor Receptor (EGFR) targetable mutations have changed the landscape for treatment of advanced stage non-small cell lung cancer in recent years. Three generations of tyrosine kinase inhibitors are now available to target cancers harboring these mutations. The most common EGFR mutations occur in Exons 19 and 21. Exon 18 mutations are extremely rare comprising of 4.1% of all EGFR mutations and the delE709_T710insD mutation accounts for only 0.16% of mutations when occurring as a sole mutation, however, the frequency can vary with the kit utilized for testing...
June 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
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