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Medical Oncology

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https://www.readbyqxmd.com/read/27900591/treatment-of-lung-tumours-with-high-energy-microwave-ablation-a-single-centre-experience
#1
Anna Maria Ierardi, Andrea Coppola, Natalie Lucchina, Gianpaolo Carrafiello
The purpose of our study is to report safety, technical success, effectiveness, local progression-free survival (LPFS) and overall survival of percutaneous microwave ablation (MWA) to treat lung tumours unsuitable for surgery. Nineteen patients with thirty-one tumours (mean diameter 2.4 cm) underwent percutaneous MWA in 28 sessions. Microwave ablation was carried out using a 2450-MHz generator (Emprint/Covidien, Boulder, CO, USA). Procedures were performed under cone-beam CT (CBCT) and under fluoro-CT (one session) guidance...
January 2017: Medical Oncology
https://www.readbyqxmd.com/read/27900590/assessment-of-oxidative-nitrative-modifications-of-plasma-proteins-selected-rotem-parameters-and-kinetics-of-fibrinogen-polymerization-in-patients-with-multiple-myeloma-at-diagnosis
#2
W Nowak, J Treliński, K Chojnowski, J Matczak, M Robak, M Misiewicz, P Nowak
Patients with multiple myeloma (MM) are at increased risk of thrombosis. Growing evidence indicates that oxidative and nitrative modifications of proteins, including fibrinogen, may lead to changes in hemostasis. The study compares samples from patients with MM at diagnosis and healthy volunteers with regard to the oxidative/nitrative modifications of proteins, ROTEM and thrombin-catalyzed fibrin polymerization. The content of carbonyl groups in plasma proteins of patients with MM was significantly higher than in controls (2...
January 2017: Medical Oncology
https://www.readbyqxmd.com/read/27900589/intrinsic-her2-v777l-mutation-mediates-resistance-to-trastuzumab-in-a-breast-cancer-patient
#3
Yosuke Hirotsu, Hiroshi Nakagomi, Kenji Amemiya, Toshio Oyama, Masayuki Inoue, Hitoshi Mochizuki, Masao Omata
HER2 (ERBB2) is an oncogene and 20% of breast cancers display HER2 amplification. The HER2 monoclonal antibody, trastuzumab, is used to treat breast cancers that display HER2 amplification, with good responses in 80-90% of cases; however, 10% of tumours develop resistance to trastuzumab. In this study, we collected data of primary breast cancer patients who treated at hospital during 2004-2014. In our cohort, 205 of 1497 primary breast cancer patients showed HER2-amplification, and 20 experienced recurrence after trastuzumab therapy...
January 2017: Medical Oncology
https://www.readbyqxmd.com/read/27889881/identification-of-reference-genes-and-mirnas-for-qrt-pcr-in-human-esophageal-squamous-cell-carcinoma
#4
Li Chen, Yulin Jin, Lin Wang, Fenghao Sun, Xiaodong Yang, Mengkun Shi, Cheng Zhan, Yu Shi, Qun Wang
It is important to select an appropriate reference gene and miRNA when using quantitative real-time polymerase chain reaction (qRT-PCR) to analyze gene and miRNA expression. However, many commonly used reference genes and miRNAs are not stably expressed and therefore not suitable for normalization or quantification of qRT-PCR data. This study aims to identify appropriate reference genes and miRNAs for use in human esophageal squamous carcinoma qRT-PCR analysis. Using data provided by The Cancer Genome Atlas, we identified DDX5, LAPTM4A, P4HB, RHOA, miR-28-5p, miR-34a-5p, and miR-186-5p as candidate reference genes and miRNAs...
January 2017: Medical Oncology
https://www.readbyqxmd.com/read/27889880/the-impact-of-extended-lymph-node-dissection-versus-neoadjuvant-therapy-with-limited-lymph-node-dissection-on-biochemical-recurrence-in-high-risk-prostate-cancer-patients-treated-with-radical-prostatectomy-a-multi-institutional-analysis
#5
Takuma Narita, Takuya Koie, Teppei Ookubo, Koji Mitsuzuka, Shintaro Narita, Hayato Yamamoto, Takamitsu Inoue, Shingo Hatakeyama, Sadafumi Kawamura, Tatsuo Tochigi, Tomonori Habuchi, Yoichi Arai, Chikara Ohyama
The optimal treatment for high-risk prostate cancer (Pca) remains to be established. The current guidelines recommend extended pelvic lymph node dissection (e-PLND) for selected intermediate- and high-risk patients treated with RP. However, the indications, optimal extent, and therapeutic benefits of e-PLND remain unclear. The aim of this study was to assess whether e-PLND confers an oncological benefit for high-risk Pca compared to neoadjuvant luteinizing hormone-releasing hormone and estramustine (LHRH + EMP)...
January 2017: Medical Oncology
https://www.readbyqxmd.com/read/27837451/percutaneous-image-guided-cryoablation-current-applications-and-results-in-the-oncologic-field
#6
Roberto Luigi Cazzato, Julien Garnon, Nitin Ramamurthy, Guillaume Koch, Georgia Tsoumakidou, Jean Caudrelier, Francesco Arrigoni, Luigi Zugaro, Antonio Barile, Carlo Masciocchi, Afshin Gangi
Percutaneous imaging-guided cryoablation (PICA) is a recently developed technique, which applies extreme hypothermia to destroy tumours under close imaging surveillance. It is minimally invasive, safe, repeatable, and does not interrupt or compromise other oncologic therapies. It presents several advantages over more established heat-based thermal ablation techniques (e.g. radiofrequency ablation; RFA) including intrinsic analgesic properties, superior monitoring capability on multi-modal imaging, ability to treat larger tumours, and preservation of tissue collagenous architecture...
December 2016: Medical Oncology
https://www.readbyqxmd.com/read/27822615/g-csf-use-in-patients-receiving-first-line-chemotherapy-for-non-hodgkin-s-lymphoma-nhl-and-granulocyte-colony%C3%A2-stimulating-factors-g-csf-as-observed-in-clinical-practice-in-italy
#7
Umberto Vitolo, Francesco Angrili, Lucy DeCosta, Sally Wetten, Massimo Federico
Treatment of non-Hodgkin lymphoma (NHL) requires chemotherapy regimens with significant risk of febrile neutropenia (FN). For patients at ≥20% FN risk, guidelines recommend primary prophylaxis (PP) with granulocyte-colony stimulating factor (G-CSF). This study assessed whether G-CSF use in NHL was in line with recommendations in routine practice. This was a retrospective, observational study of adult NHL patients receiving first-line (R)CHOP-like chemotherapy and G-CSF support between June 2010 and 2012, in Italy...
December 2016: Medical Oncology
https://www.readbyqxmd.com/read/27817107/the-prognostic-implication-of-the-expression-of-egfr-p53-cyclin-d1-bcl-2-and-p16-in-primary-locally-advanced-oral-squamous-cell-carcinoma-cases-a-tissue-microarray-study
#8
Monica Charlotte Solomon, M S Vidyasagar, Donald Fernandes, Vasudev Guddattu, Mary Mathew, Ankur Kaur Shergill, Sunitha Carnelio, Chetana Chandrashekar
Oral squamous cell carcinomas comprise a heterogeneous tumor cell population with varied molecular characteristics, which makes prognostication of these tumors a complex and challenging issue. Thus, molecular profiling of these tumors is advantageous for an accurate prognostication and treatment planning. This is a retrospective study on a cohort of primary locally advanced oral squamous cell carcinomas (n = 178) of an Indian rural population. The expression of EGFR, p53, cyclin D1, Bcl-2 and p16 in a cohort of primary locally advanced oral squamous cell carcinomas was evaluated...
December 2016: Medical Oncology
https://www.readbyqxmd.com/read/27815805/lumbar-sacral-bone-marrow-dose%C3%A2-modeling-for-acute-hematological-toxicity-in-anal-cancer-patients-treated-with-concurrent-chemo-radiation
#9
Pierfrancesco Franco, Riccardo Ragona, Francesca Arcadipane, Massimiliano Mistrangelo, Paola Cassoni, Nadia Rondi, Mario Morino, Patrizia Racca, Umberto Ricardi
The aim of the study was to model acute hematologic toxicity (HT) and dose to pelvic osseous structures in anal cancer patients treated with definitive chemo-radiation (CT-RT). A total of 53 patients receiving CT-RT were analyzed. Pelvic bone marrow and corresponding subsites were contoured: ilium, lower pelvis and lumbosacral spine (LSBM). Dose-volume histograms points and mean doses were collected. Logistic regression was performed to correlate dosimetric parameters and ≥G3 HT as endpoint. Normal tissue complication probability (NTCP) was evaluated with the Lyman-Kutcher-Burman (LKB) model...
December 2016: Medical Oncology
https://www.readbyqxmd.com/read/27812850/generation-of-t-cell-effectors-using-tumor-cell-loaded-dendritic-cells-for-adoptive-t-cell-therapy
#10
Katerina Vavrova, Petra Vrabcova, Dominik Filipp, Jirina Bartunkova, Rudolf Horvath
Adoptive T cell transfer has been shown to be an effective method used to boost tumor-specific immune responses in several types of malignancies. In this study, we set out to optimize the ACT protocol for the experimental treatment of prostate cancer. The protocol includes a pre-stimulation step whereby T cells were primed with autologous dendritic cells loaded with the high hydrostatic pressure-treated prostate cancer cell line, LNCaP. Primed T cells were further expanded in vitro with anti-CD3/CD28 Dynabeads in the WAVE bioreactor 2/10 system and tested for cytotoxicity...
December 2016: Medical Oncology
https://www.readbyqxmd.com/read/27807724/rs15869-at-mirna-binding-site-in-brca2-is-associated-with-breast-cancer-susceptibility
#11
Jingjing Cao, Chenglin Luo, Rui Yan, Rui Peng, Kaijuan Wang, Peng Wang, Hua Ye, Chunhua Song
BRCA1 and BRCA2 mutations confer an increased lifetime risk of breast cancer; however, the associations of microRNA (miRNA) binding site single nucleotide polymorphisms (SNPs) in 3' untranslated region (3'-UTR) of BRCA1 and BRCA2 with breast cancer (BC) risk were rarely reported. In this case-control study (498 BC patients and 498 matched controls), three SNPs (rs8176318, rs12516 and rs15869) were selected in the 3'-UTR of BRCA1 and BRCA2 genes, which were within miRNA-binding seed regions and might have potential function to regulate the expression of BRCA1/BRCA2...
December 2016: Medical Oncology
https://www.readbyqxmd.com/read/27807723/tumor-lysis-syndrome-and-metastatic-melanoma
#12
LETTER
Marshall W Meeks, Muhammad B Hammami, Katherine J Robbins, Kevin L Cheng, Jack M Lionberger
Tumor lysis syndrome (TLS) is a potential emergent complication of oncologic treatment. TLS is commonly reported in hematological malignancies with rapid cell turnover rates, but is relatively rare in solid tumors. TLS is most frequently a result of cancer treatment in combination with a large tumor burden, but has occasionally been reported to occur spontaneously, especially in cases of advanced or metastatic disease. In this article, we describe the case of a patient with newly diagnosed metastatic melanoma that developed TLS two days after initiation of corticosteroids...
December 2016: Medical Oncology
https://www.readbyqxmd.com/read/27807722/metabolomics-in-pancreatic-cancer-biomarkers-research
#13
REVIEW
Jaroslav Tumas, Kotryna Kvederaviciute, Marius Petrulionis, Benediktas Kurlinkus, Arnas Rimkus, Greta Sakalauskaite, Jonas Cicenas, Audrius Sileikis
Pancreatic cancer is one of the worst prognoses of all malignancies. More than 40,000 deaths a year from this disease are observed in European Union alone. The only possibly curative treatment of pancreatic cancer is surgery, yet only 15-20% of patients have operable disease and even patients, which go through surgery and adjuvant chemotherapy, survival is less than 30%. The sensitive and specific biomarkers which could be used for the advance of early diagnostics are needed and constantly researched. Metabolomics is a technology which analyzes the concentrations of low-molecular-weight metabolites (the metabolome) has lately effectively developed due to the improvements in analytical technology...
December 2016: Medical Oncology
https://www.readbyqxmd.com/read/27761872/correlation-between-indoleamine-2-3-dioxygenase-mrna-and-cdkn2a-p16-mrna-a-combined-strategy-to-cervical-cancer-diagnosis
#14
Mario Cezar Saffi Junior, Ivone da Silva Duarte, Rodrigo Barbosa de Oliveira Brito, Giovana Garcia Prado, Sergio Makabe, Humberto Dellê, Cleber P Camacho
Cervical cancer (CC) is one of the most common cancers among women worldwide. The relation of the human papillomavirus (HPV) with CC and its precursor lesions was first suspected for over 40 years. The indoleamine 2,3 dioxygenase (IDO) is an immune modulator enzyme responsible for the immune system tissue protection mechanism, which may be the key to the tumoural persistence. HPV oncoprotein E7 promotes the increase in cyclin-dependent kinase inhibitor p16 (CDKN2A/p16). The isolated and combined analysis of CDKN2A/p16 mRNA to CC diagnosis was done with promising results...
November 2016: Medical Oncology
https://www.readbyqxmd.com/read/27757783/overexpression-of-autotaxin-is-associated-with-human-renal-cell-carcinoma-and-bladder-carcinoma-and-their-progression
#15
Aihua Xu, Md Ahsanul Kabir Khan, Fangzhi Chen, Zhaohui Zhong, Han-Chun Chen, Yuanda Song
Autotaxin (ATX) as an important tumor cell motility-stimulating factor is upregulated in many different types of cancer. ATX, a member of the ectonucleotide pyrophosphatase and phosphodiesterase family of enzymes, possesses lysophospholipase D activity which hydrolyzes lysophosphatidylcholine to generate the potent tumor growth factor and mitogen lysophosphatidic acid (LPA). LPA acts on specific G-protein-coupled receptors, thereby regulating cell growth, migration, and survival. This study aimed to investigate the differences in gene expression pattern of ATX between cancerous and adjacent normal tissue of human renal cell carcinoma (RCC) and bladder carcinoma (BC) and find the correlation between ATX expression and clinicopathological features of both of these carcinomas...
November 2016: Medical Oncology
https://www.readbyqxmd.com/read/27757782/identification-of-candidate-biomarkers-and-analysis-of-prognostic-values-in-ovarian-cancer-by-integrated-bioinformatics-analysis
#16
Zhanzhan Xu, Yu Zhou, Yexuan Cao, Thi Lan Anh Dinh, Jing Wan, Min Zhao
Ovarian cancer is the first leading cause of mortality in gynecological malignancies. To identify key genes and microRNAs in ovarian cancer, mRNA microarray dataset GSE36668, GSE18520, GSE14407 and microRNA dataset GSE47841 were downloaded from the Gene Expression Omnibus database. Differentially expressed genes (DEGs) and microRNAs (DEMs) were obtained using GEO2R. Functional and pathway enrichment analysis were performed for DEGs using DAVID database. Protein-protein interaction (PPI) network was established by STRING and visualized by Cytoscape...
November 2016: Medical Oncology
https://www.readbyqxmd.com/read/27757781/survival-of-patients-with-brain-metastases-from-non-small-cell-lung-cancer-harboring-egfr-mutations-treated-with-epidermal-growth-factor-receptor-tyrosine-kinase-inhibitors
#17
Jumpei Kashima, Yusuke Okuma, Maki Miwa, Yukio Hosomi
Brain metastases (BM) is one of the most crucial distant metastases in patients with non-small cell lung cancer (NSCLC) harboring epidermal growth factor receptor (EGFR) mutations. There is no consensus about which EGFR tyrosine kinase inhibitor (TKI) is most effective against BM in such patients. Here, we compared prognoses of patients with EGFR-TKI naïve EGFR-positive BM treated with erlotinib or gefitinib after BM diagnosis. Of 269 patients with NSCLC treated with EGFR-TKIs at a single institution, we reviewed medical records of 205 patients with documented EGFR mutations...
November 2016: Medical Oncology
https://www.readbyqxmd.com/read/27752877/7sk-small-nuclear-rna-transcription-level-down-regulates-in-human-tumors-and-stem-cells
#18
Mozhgan Abasi, Zahra Bazi, Samira Mohammadi-Yeganeh, Masoud Soleimani, Vahid Haghpanah, Nosratollah Zargami, Hossein Ghanbarian
The small nuclear noncoding RNA (snRNA) 7SK is a highly conserved noncoding RNA of 331 nucleotides in animals, which is present in a nuclear ribonucleoprotein complex with proteins such as methylphosphate capping enzyme (MePCE), hexamethylene bisacetamide-inducible proteins 1 and 2 (HEXIM1 and HEXIM2) and La-related protein 7 (Larp7). Regulating the activity of the positive transcription elongation factor b (P-TEFb) is the key function of 7SK noncoding RNA. Recently, we have shown that 7SK snRNA over-expression reduces human embryonic kidney 293T cell line viability...
November 2016: Medical Oncology
https://www.readbyqxmd.com/read/27752876/correspondence-on-the-article-patients-treated-with-neoadjuvant-chemotherapy%C3%A2-%C3%A2-radical-surgery%C3%A2-%C3%A2-adjuvant-chemotherapy-in-locally-advanced-cervical-cancer-long-term-outcomes-survival-and-prognostic-factors-in-a-single-center-10-year-follow-up
#19
https://www.readbyqxmd.com/read/27743201/downregulation-of-foxo3-and-trim31-by-mir-551b-in-side-population-promotes-cell-proliferation-invasion-and-drug-resistance-of-ovarian-cancer
#20
Zhentong Wei, Yan Liu, Yishu Wang, Yandong Zhang, Qinghua Luo, Xiaxia Man, Feng Wei, Xiaowei Yu
Ovarian cancer (OVCa) stem cells are associated with tumor growth, metastasis, and recurrence, which are driving forces behind a majority of the OVCa-related mortality. This subpopulation of cancer cells are characterized by uncontrolled proliferation, high invasiveness, and resistance against the current platinum-based therapy. Thus, targeting OVCa cancer stem cells has been focused in recent therapeutic development. Isolation and purification of cancer stem cells are, however, challenging for the lack of sensitive and specific markers...
November 2016: Medical Oncology
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