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https://www.readbyqxmd.com/read/28525934/parathyroid-hormone-levels-predict-long-term-outcome-after-operative-management-of-parathyroid-cancer
#1
Andreas Machens, Kerstin Lorenz, Henning Dralle
The role of parathyroid hormone (PTH) serum levels for prediction of outcome is ill defined for parathyroid cancer, which is a very rare disease. This investigation of 17 consecutive patients with parathyroid cancer, (re-)operated on at a tertiary referral center between 1994 and July 2016, with a mean follow-up of 179.6 months (15 years) aimed to clarify the suitability of PTH serum levels for prediction of clinical outcome after comprehensive operative management of parathyroid cancer. Cancer-specific mortality occurred significantly more often with the performance of sternotomy before or at first operation at this institution (80 vs...
May 19, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28524711/the-will-to-live-breast-cancer-patients-perceptions-of-palliative-chemotherapy
#2
Jenny Bergqvist, Peter Strang
BACKGROUND: For women with metastatic breast cancer, late lines of chemotherapy might be beneficial but also harmful. Ongoing chemotherapy late in life increase the risk of late or absent discussions of palliative care and access to symptom relief by other options than chemotherapy. Our aim was, therefore, to investigate breast cancer patients' motives, perceptions, and experiences of late lines of palliative oncologic treatment. MATERIAL AND METHODS: A qualitative study with semi-guided face-to-face interviews with 20 women on at least their second line of palliative chemotherapy (second-eighth line)...
May 19, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28522192/overcoming-photodynamic-resistance-and-tumor-targeting-dual-therapy-mediated-by-indocyanine-green-conjugated-gold-nanospheres
#3
Wei Li, Xiaomeng Guo, Fenfen Kong, Hanbo Zhang, Lihua Luo, Qingpo Li, Chunqi Zhu, Jie Yang, Yongzhong Du, Jian You
Photodynamic therapy (PDT) and photothermal therapy (PTT) have captured much attention due to the great potential to cure malignant tumor. Nevertheless, photodynamic resistance of cancer cells has limited the further efficacy of PDT. Unfortunately, the resistance mechanism and efforts to overcome the resistance still have been rarely reported so far. Here, we report a nanosystem with specific tumor targeting for combined PDT and PTT mediated by near-infrared (NIR) light, which was established by covalently conjugating indocyanine green (ICG) and TNYL peptide onto the surface of hollow gold nanospheres (HAuNS)...
May 15, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28521752/synthesis-characterization-and-biological-verification-of-anti-her2-indocyanine-green-doxorubicin-loaded-polyethyleneimine-coated-perfluorocarbon-double-nanoemulsions-for-targeted-photochemotherapy-of-breast-cancer-cells
#4
Yu-Hsiang Lee, Yun-Ting Ma
BACKGROUND: Breast cancer is the most frequently diagnosed cancer and the leading cause of cancer death among females worldwide. Among various types of breast cancer, the human epidermal growth factor receptor 2 (HER2)-overexpressing breast cancer is known to be more aggressive and often resistant to medicinal treatment, leading to an insufficient prognosis and poor susceptibility to chemotherapy and/or hormonal therapy in the current clinic. These circumstances implicate that developing an improved therapeutic strategy rather than persistently changing the anticancer drugs for trying is truly needed to successfully cure this type of breast cancer...
May 18, 2017: Journal of Nanobiotechnology
https://www.readbyqxmd.com/read/28521675/chemotherapy-with-si-rna-and-anti-cancer-drugs
#5
Kamaljeet Kaur, Goutam Rath, Saket Chandra, Ranjit Singh, Amit K Goyal
To treat cancer, chemotherapy is a key therapeutic approach which is associated with several limitations. This chemotherapeutical agents exhibit multi drug resistance coupled with undesirable side effects. This multidrug resistance is exhibited by tumor cell due to actuation of drug out flow mechanism, programmed cell death and protection mechanisms etc. One of the therapeutic approaches to cure cancer is RNA interference (RNAi). Small interfering RNA (si-RNA) is considered as a major therapeutic tool used to control expression of a particular gene...
May 18, 2017: Current Drug Delivery
https://www.readbyqxmd.com/read/28521532/new-antivirals-for-the-treatment-of-chronic-hepatitis-b
#6
Vincent Soriano, Pablo Barreiro, Laura Benitez, Jose M Peña, Carmen de Mendoza
Current treatment with oral nucleos(t)ides entecavir or tenofovir provide sustained suppression of HBV replication and clinical benefit in most chronic hepatitis B virus (HBV) infected persons. However, HBV rebound generally occurs upon drug discontinuation due to persistence of genomic HBV reservoirs as episomic cccDNA and chromosomic integrated HBV-DNA. There is renewed enthusiasm on HBV drug discovery following recent successes with antivirals for hepatitis C and immunotherapies for some cancers. Areas covered: New drugs that target distinct steps of the HBV life cycle are been developed, including inhibitors of viral entry, new polymerase inhibitors, capsid and assembly inhibitors, virus release blockers, and disruptors of cccDNA formation and transcription...
May 18, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28515423/mir-520b-as-a-novel-molecular-target-for-suppressing-stemness-phenotype-of-head-neck-cancer-by-inhibiting-cd44
#7
Ya-Ching Lu, Ann-Joy Cheng, Li-Yu Lee, Guo-Rung You, Yan-Liang Li, Hsin-Ying Chen, Joseph T Chang
Cancer stem cells preferentially acquire the specific characteristics of stress tolerance and high mobility, allowing them to progress to a therapy-refractive state. To identify a critical molecule to regulate cancer stemness is indispensable to erratically cure cancer. In this study, we identified miR-520b as a novel molecular target to suppress head-neck cancer (HNC) with stemness phenotype. MiR-520b inhibited cellular migration and invasion via the mechanism of epithelial-mesenchymal transition. It also sensitized cells to therapeutic drug and irradiation...
May 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28514757/adhesion-and-stress-related-adaptation-of-glioma-radiochemoresistance-is-circumvented-by-%C3%AE-1-integrin-jnk-co-targeting
#8
Anne Vehlow, Erik Klapproth, Katja Storch, Ellen Dickreuter, Michael Seifert, Antje Dietrich, Rebecca Bütof, Achim Temme, Nils Cordes
Resistance of cancer stem-like and cancer tumor bulk cells to radiochemotherapy and destructive infiltration of the brain fundamentally influence the treatment efficiency to cure of patients suffering from Glioblastoma (GBM). The interplay of adhesion and stress-related signaling and activation of bypass cascades that counteract therapeutic approaches remain to be identified in GBM cells. We here show that combined inhibition of the adhesion receptor β1 integrin and the stress-mediator c-Jun N-terminal kinase (JNK) induces radiosensitization and blocks invasion in stem-like and patient-derived GBM cultures as well as in GBM cell lines...
April 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28512763/impact-of-mlh1-expression-on-tumour-evolution-after-curative-surgical-tumour-resection-in-a-murine-orthotopic-xenograft-model-for-human-msi-colon-cancer
#9
Katy Meunier, Marianne Ferron, Claire Calmel, Jean-François Fléjou, Marc Pocard, Françoise Praz
Colorectal cancers (CRCs) displaying microsatellite instability (MSI) most often result from MLH1 deficiency. The aim of this study was to assess the impact of MLH1 expression per se on tumour evolution after curative surgical resection using a xenograft tumour model. Transplantable tumours established with the human MLH1-deficient HCT116 cell line and its MLH1-complemented isogenic clone, mlh1-3, were implanted onto the caecum of NOD/SCID mice. Curative surgical resection was performed at day 10 in half of the animals...
May 16, 2017: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/28511494/eyelid-malignancies-always-quite-challenging
#10
Arumugham Balasubramanian, Narayanasamy Subbaraju Kannan
The diagnosis and management of eyelid cancers are quite challenging. Eyelid tumours are relatively rare diverse group of diseases varied in their presentation and extent. Many benign tumours and inflammatory conditions quite frequently masquerade eyelid cancers. Eyelid cancers are not single entity but comprise a wide range of tumours with extremes of tumour biology from indolent to very aggressive histopathologic types. Compromise on aesthetics and eyelids' indispensable function of protecting the eyes during management, may lead to untoward cosmetic disfigurement and loss of vision...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28510798/total-laparoscopic-management-for-stage-iv-colorectal-cancer-requiring-multivisceral-resection
#11
Y Nancy You, Hironori Shiozaki, Jeffrey E Lee, Guillaume Passot, Claire Goumard, Masayuki Okuno, Thomas A Aloia, Cathy Eng, George Chang, Jean-Nicolas Vauthey, Claudius Conrad
BACKGROUND: Surgical resection of all sites of disease, in combination with effective systemic chemotherapy, offers the only potential chance for cure for patients with stage IV colorectal cancer (CRC). Coordinated multistage resection using a minimally invasive approach may provide optimal oncologic outcome while potentially offering the benefit of decreased morbidity. PATIENT: A 66-year-old women presented with transverse colon cancer and synchronous metastasis (CRLM) in segment IV involving the middle hepatic vein and main left portal pedicle, as well as the left adrenal gland...
May 16, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28507714/targeting-the-tumour-microenvironment-with-an-enzyme-responsive-drug-delivery-system-for-the-efficient-therapy-of-breast-and-pancreatic-cancers
#12
Brigitte Renoux, Florian Raes, Thibaut Legigan, Elodie Péraudeau, Balkis Eddhif, Pauline Poinot, Isabelle Tranoy-Opalinski, Jérôme Alsarraf, Oleksandr Koniev, Sergii Kolodych, Stéphanie Lerondel, Alain Le Pape, Jonathan Clarhaut, Sébastien Papot
The development of novel therapeutic strategies allowing the destruction of tumour cells while sparing healthy tissues is one of the main challenges of cancer chemotherapy. Here, we report on the design and antitumour activity of a low-molecular-weight drug delivery system programmed for the selective release of the potent monomethylauristatin E in the tumour microenvironment of solid tumours. After intravenous administration, this compound binds covalently to plasmatic albumin through Michael addition, thereby enabling its passive accumulation in tumours where extracellular β-glucuronidase initiates the selective release of the drug...
May 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28507680/an-albumin-based-tumor-targeted-oxaliplatin-prodrug-with-distinctly-improved-anticancer-activity-in-vivo
#13
Josef Mayr, Petra Heffeter, Diana Groza, Luis Galvez, Gunda Koellensperger, Alexander Roller, Beatrix Alte, Melanie Haider, Walter Berger, Christian R Kowol, Bernhard K Keppler
The design of targeted platinum(iv) prodrugs is a very promising approach to enhance the low selectivity of platinum(ii) drugs towards cancerous tissue in order to reduce the impact on healthy tissue and, consequently, the often severe side-effects. Herein, we report a set of mono-functionalized cis- and oxaliplatin-based platinum(iv) complexes bearing a maleimide moiety, which allows selective binding to serum albumin in the bloodstream. This leads not only to a prolonged plasma half-life by avoidance of fast renal clearance, but also to preferential accumulation of the drug in the tumor tissue due to the EPR-effect...
March 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28506929/inhibition-of-cell-proliferation-and-induction-of-autophagy-by-kdm2b-fbxl10-knockdown-in-gastric-cancer-cells
#14
Erhu Zhao, Chunling Tang, Xiaolan Jiang, Xiong Weng, Xiaoxia Zhong, Dunke Zhang, Jianbing Hou, Feng Wang, Mengying Huang, Hongjuan Cui
Gastric cancer is difficult to cure due to its clinical heterogeneity and the complexity of its molecular mechanisms. KDM2B, a member of the JHDM family, functions as a histone lysine demethylase. However, the role and mechanisms of KDM2B in gastric cancer have not been elucidated. Here, we showed that KDM2B is commonly expressed in gastric cancer cells. The downregulation of KDM2B immediately induces autophagy, followed by the inhibition of proliferation. The compound 3-methyladenine (3-MA), an inhibitor of autophagy, largely rescues autophagy and the inhibition of cell proliferation induced by KDM2B knockdown...
May 12, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28505118/communicatively-constructing-the-bright-and-dark-sides-of-hope-family-caregivers-experiences-during-end-of-life-cancer-care
#15
Jody Koenig Kellas, Katherine M Castle, Alexis Johnson, Marlene Z Cohen
(1) Background: The communication of hope is complicated, particularly for family caregivers in the context of cancer who struggle to maintain hope for themselves and their loved ones in the face of terminality. In order to understand these complexities, the current study examines the bright and dark sides of how hope is communicated across the cancer journey from the vantage point of bereaved family caregivers; (2) Methods: We analyzed interviews with bereaved family caregivers using qualitative thematic and case oriented strategies to identify patterns in the positive and negative lived experiences when communicating about hope at the end of life; (3) Results: Two overarching patterns of hope emerged...
May 15, 2017: Behavioral Sciences
https://www.readbyqxmd.com/read/28503254/management-of-potential-long-term-toxicities-in-breast-cancer-patients
#16
C C O'Sullivan, K J Ruddy
Breast cancer is the most common non-cutaneous malignancy among women, and there are over 3 million breast cancer survivors living in the United States today. Excellent cure rates with modern therapies are associated with substantial toxicities for many women; it is important that health care providers attend to the resulting symptoms and issues to optimize quality of life in this population. In this article, we review management options for potential long term toxicities in breast cancer survivors, with a particular focus on bone health, fertility preservation, premature menopause, cardiac dysfunction, and cognitive impairment...
December 2016: Current Breast Cancer Reports
https://www.readbyqxmd.com/read/28501211/metastatic-cancer-cell-and-tissue-specific-fluorescence-imaging-using-a-new-dna-aptamer-developed-by-cell-selex
#17
Baoyin Yuan, Xiaochun Jiang, Yuanyuan Chen, Qiuping Guo, Kemin Wang, Xiangxian Meng, Zhixiang Huang, Xiaohong Wen
Metastasis, which derived from a primary tumor, accounts for 90% of mortality caused by cancer. Early diagnosis of cancer metastasis may significantly improve cure rate of patients who are at high risk for developing metastasis. In this study, we successfully achieved metastatic cancer cell and tissue-specific fluorescence imaging by using a new aptamer developed by cell-based systematic evolution of ligands by exponential enrichment (Cell-SELEX). With metastatic colorectal carcinoma LoVo cells as selection target, the aptamer named J3 which bind to metastatic cancer cells with good affinity and specificity was obtained...
August 1, 2017: Talanta
https://www.readbyqxmd.com/read/28500904/endometrial-adenocarcinoma-recurrence-presenting-with-tibial-metastasis-report-of-a-case
#18
Mehmet Salih Söylemez, Bahattin Kemah, Umut Perçem Orhan Söylemez, Bülent Kılıç, Korhan Ozkan
INTRODUCTION: Metastatic bone disease at extremities is mostly associated with lung, liver, prostat, thyriod or breast malignancies. There for surgeons generally tends to seek for a primary tumor originating from these organs. Herein a case of endometrial adenocarcinoma recurrence that presented with symptoms of tibial pain is described. PRESENTATION OF CASE: 59 year-old woman was admitted to our orthopaedic oncology unit with pain, swelling and tenderness at right cruris for two weeks without any trauma history...
April 18, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28500749/local-resectability-assessment-of-head-and-neck-cancer-positron-emission-tomography-mri-versus-positron-emission-tomography-ct
#19
Tetsuro Sekine, Felipe de Galiza Barbosa, Gaspar Delso, Irene A Burger, Paul Stolzmann, Edwin E Ter Voert, Gerhard F Huber, Spyros S Kollias, Gustav K von Schulthess, Patrick Veit-Haibach, Martin W Huellner
BACKGROUND: The purpose of this study was to compare the diagnostic accuracy of positron emission tomography (PET)/MRI with PET/CT for local resectability of head and neck cancer. METHODS: Sequential contrast-enhanced PET/CT-MRI was performed in 58 patients referred for the staging or restaging of head and neck cancer. Tumors were assessed with PET/CT and PET/MRI for the presence of resectability-defining factors: T4b status (mediastinal invasion, invasion of the prevertebral space, and vascular encasement), and another 8 findings that would imply obstacles for surgical cure (invasion of the laryngeal cartilage, invasion of the preepiglottic fat pad, perineural spread, orbital invasion, bone infiltration, skull base invasion, dural infiltration, and invasion of the brachial plexus)...
May 13, 2017: Head & Neck
https://www.readbyqxmd.com/read/28500107/metastatic-breast-cancer
#20
Olive Peart
Despite advances in breast cancer screening, diagnosis, and treatment, nearly 12% of patients with a diagnosis of breast cancer eventually develop metastatic disease, or breast cancer that has spread beyond the breast to other parts of the body. No cure for metastatic breast cancer yet exists, and it is associated with a poor prognosis: The 5-year survival rate is 26%. Nevertheless, many treatments can improve and extend the lives of patients with metastatic breast cancer. This article reviews the types of breast cancer and cancer staging systems...
May 2017: Radiologic Technology
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