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https://www.readbyqxmd.com/read/27927046/advances-in-chemical-pharmacotherapy-to-manage-advanced-breast-cancer
#1
Andrea Gombos, Ahmad Awada
Advanced breast cancer is still incurable. However, patients diagnosed with this fatal disease live longer. The selection of systemic therapy is mainly based on molecular subtype. The aim of management in these patients is to not only improve outcome, but also to maintain quality of life. Areas covered: In this paper we focus on available treatments and drugs under late development in the three main subtypes of breast cancer: luminal (hormone receptor positive), HER2 positive and triple negative disease. Main advances during the last years have been made in the treatment of HER2 positive breast cancer with the approval of several new targeted agents...
December 7, 2016: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/27926544/cognitive-impairment-following-hormone-therapy-current-opinion-of-research-in-breast-and-prostate-cancer-patients
#2
Lisa M Wu, Ali Amidi
PURPOSE OF REVIEW: Hormone therapy is a common cancer treatment that may be associated with numerous side and late effects, and in recent years, has been linked to changes in cognition. Here, we present the most important recent findings from empirical studies and reviews that have focused on the effects of hormone therapy on cognitive functioning in breast and prostate cancer populations, underline some general shortcomings, and propose directions for future research. RECENT FINDINGS: Recent research indicates that cognitive impairment may occur in breast and prostate cancer patients following onset of hormone therapy...
December 6, 2016: Current Opinion in Supportive and Palliative Care
https://www.readbyqxmd.com/read/27925861/modeling-heavy-ion-impairment-of-hippocampal-neurogenesis-after-acute-and-fractionated-irradiation
#3
Eliedonna Cacao, Francis A Cucinotta
Radiation-induced impairment of neurogenesis in the hippocampal dentate gyrus is a concern due to its reported association with cognitive detriments after radiotherapy for brain cancers and the possible risks to astronauts chronically exposed to space radiation. Here, we have extended our recent work in a mouse model of impaired neurogenesis after exposure to low-linear energy transfer (LET) heavy ion radiation. To our knowledge, this is the first report of a predictive mathematical model of radiation-induced changes to neurogenesis for a variety of radiation types after acute or fractionated irradiation...
December 7, 2016: Radiation Research
https://www.readbyqxmd.com/read/27923793/aerobic-exercise-in-anthracycline-induced-cardiotoxicity-a-systematic-review-of-current-evidence-and-future-directions
#4
Joseph J Chen, Pei T Wu, Holly R Middlekauff, Kim-Lien Nguyen
Cancer and cardiovascular disease are major causes of morbidity and mortality worldwide. Older cancer patients often wrestle with underlying heart disease during cancer therapy while childhood cancer survivors are living long enough to face long-term unintended cardiac consequences of cancer therapies, including anthracyclines. Although effective and widely used, particularly in the pediatric population, side effects including dose-dependent association with cardiac dysfunction limits its usage. Unfortunately, there is only one US FDA-approved drug (dexrazoxane) available for the prevention and mitigation of cardiotoxicity related to anthracycline therapy...
December 6, 2016: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/27920625/a-retrospective-analysis-of-toxicity-and-efficacy-for-2-hypofractionated-irradiation-schedules-versus-a-conventional-one-for-post-mastectomy-adjuvant-radiotherapy-in-breast-cancer
#5
Vassilis Kouloulias, Eftychia Mosa, Anna Zygogianni, Efrosini Kypraiou, John Georgakopoulos, Kalliopi Platoni, Christos Antypas, George Kyrgias, Maria Tolia, Christos Papadimitriou, Amanda Psyrri, George Patatoukas, Maria Dilvoi, Christina Armpilia, Kyriaki Theodorou, Maria-Aggeliki Kalogeridi, Ivelina Beli, John Kouvaris, Nikolaos Kelekis
INTRODUCTION: The aim of this analysis was a retrospective evaluation of the efficacy and toxicity of 2 hypofractionated irradiation schedules compared to conventional therapy in post-mastectomy patients. METHODS: 3 irradiation schedules were analyzed: 48.30 Gy in 21 fractions (group A, n = 60), 42.56 Gy in 16 fractions (group B, n = 27) and 50 Gy in 25 fractions (group C, n = 30) of the front chest wall. All groups were also treated with a supraclavicular field, with 39...
October 2016: Breast Care
https://www.readbyqxmd.com/read/27919332/effects-of-ionizing-radiation-on-the-mammalian-brain
#6
Daniela Hladik, Soile Tapio
Epidemiological studies on the atomic-bomb survivors, cancer survivors and occupational cohorts provide strong evidence for multifaceted damage to brain after ionizing radiation. Radiation-induced late effects may manifest as brain tumors or cognitive impairment. Decreased neurogenesis and differentiation, alteration in neural structure and synaptic plasticity as well as increased oxidative stress and inflammation are suggested to contribute to adverse effects in the brain. In addition to neural stems cells, several brain-specific mature cell types including endothelial and glial cells are negatively affected by ionizing radiation...
October 2016: Mutation Research
https://www.readbyqxmd.com/read/27913498/long-term-risk-of-second-malignancy-and-cardiovascular-disease-after-hodgkin-lymphoma-treatment
#7
Flora E van Leeuwen, Andrea K Ng
Long-term survivors of Hodgkin lymphoma (HL) experience several late adverse effects of treatment, with second malignant neoplasms (SMNs) and cardiovascular diseases (CVDs) being the leading causes of death in these patients. Other late effects have also been identified, such as pulmonary dysfunction, endocrinopathies (thyroid dysfunction, infertility), neck muscle atrophy, and persistent fatigue. HL survivors have two- to fourfold increased risks to develop SMNs and CVD compared with the general population...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913313/the-role-of-vitamin-d-and-vdr-in-carcinogenesis-through-epidemiology-and-basic-sciences
#8
REVIEW
Borja Bandera Merchan, Sonsoles Morcillo, Gracias Martin-Nuñez, Francisco José Tinahones, Manuel Macías-González
In the last two decades vitamin D (VD) research has demonstrated new extraskeletal actions of this pre-hormone, suggesting a protective role of this secosteroid in the onset, progression and prognosis of several chronic noncommunicable diseases, such as cardiovascular disease, diabetes mellitus or cancer. Regarding carcinogenesis, both preclinical and epidemiological evidence available show oncoprotective actions of VD and its receptor, the VDR. However, in late neoplastic stages the VD system (VDS) seems to be less functional, which appears to be due to an epigenetic silencing of the system...
November 29, 2016: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/27910983/investigation-and-intervention-of-autophagy-to-guide-cancer-treatment-with-nanogels
#9
Xudong Zhang, Xin Liang, Jianjun Gu, Danfeng Chang, Jinxie Zhang, Zhaowei Chen, Yanqi Ye, Chao Wang, Wei Tao, Xiaowei Zeng, Gan Liu, Yongjun Zhang, Lin Mei, Zhen Gu
Cancer cells use autophagy to resist poor survival environmental conditions such as low PH, poor nutrients as well as chemical therapy. Nanogels have been used as efficient chemical drug carriers for cancer treatment. However, the effect of nanogels on autophagy is still unknown. Here, we used Rab proteins as the marker of multiple trafficking vesicles in endocytosis and LC3 as the marker of autophagy to investigate the intracellular trafficking network of Rhodamine B (Rho)-labeled nanogels. The nanogels were internalized by the cells through multiple protein dependent endocytosis and micropinocytosis...
December 2, 2016: Nanoscale
https://www.readbyqxmd.com/read/27909037/safety-and-efficacy-of-stereotactic-body-radiation-therapy-combined-with-s-1-simultaneously-followed-by-sequential-s-1-as-an-initial-treatment-for-locally-advanced-pancreatic-cancer-silapanc-trial-study-design-and-rationale-of-a-phase-ii-clinical-trial
#10
Xiaofei Zhu, Xiaoping Ju, Fei Cao, Fang Fang, Shuiwang Qing, Yuxin Shen, Zhen Jia, Yangsen Cao, Huojun Zhang
INTRODUCTION: Upfront surgeries are not beneficial to most patients with pancreatic cancer. Therefore, more emphasis has been placed chemoradiotherapy in locally advanced pancreatic cancer recently. Gemcitabine-based regimens or FOLFIRINOX (a chemotherapy regimen including leucovorin, 5-FU, irinotecan, oxaliplatin) has been proven as a standard chemotherapy in pancreatic cancer. However, severe toxicities may prevent the completion of chemotherapy. S-1 has showed better objective response rates, similar overall survival rates and progression-free survival rates compared with gemcitabine, revealing that S-1 may be a potential candidate in treating pancreatic cancer, especially for patients refractory to gemcitabine...
December 1, 2016: BMJ Open
https://www.readbyqxmd.com/read/27906782/predicting-heart-dose-in-breast-cancer-patients-who-received-3d-conformal-radiation-therapy
#11
Daniel Wollschläger, Heiko Karle, Marcus Stockinger, Detlef Bartkowiak, Sandra Bührdel, Hiltrud Merzenich, Thomas Wiegel, Heinz Schmidberger, Maria Blettner
Cardiac late effects are a major health concern for long-term survivors after radiotherapy for breast cancer. Large cohort studies to better understand the exact dose-response relationship require individual estimates of radiation dose to the heart. To predict individual cardiac dose from information that is typically available for all members of a retrospective epidemiological cohort study, 774 female breast cancer patients treated with megavoltage tangential field radiotherapy in 1998-2008 were examined. All dose distributions were calculated using Eclipse with the anisotropic analytical algorithm (AAA) for photon fields and the electron Monte Carlo algorithm for electron boost fields...
January 2017: Health Physics
https://www.readbyqxmd.com/read/27905872/knockdown-of-ggct-inhibits-cell-proliferation-and-induces-late-apoptosis-in-human-gastric-cancer
#12
Wenjie Zhang, Lei Chen, Honggang Xiang, Chunhua Hu, Weibin Shi, Ping Dong, Wenjie Lv
BACKGROUND: Gamma glutamylcyclotransferase (GGCT) has been proved to be involved in various cancers, but the biological function of GGCT in gastric cancer is still largely unknown. METHODS: The expression level of GGCT was evaluated by informatics analyses based on the Oncomine database. GGCT gene was then effectively knocked down via lentivirus mediated short hairpin RNA (shRNA) system. Then a series of functional assays, including MTT, colony formation and flow cytometry analysis were conducted on gastric cancer cells following GGCT knockdown...
December 1, 2016: BMC Biochemistry
https://www.readbyqxmd.com/read/27904916/imaging-of-late-complications-of-cancer-therapy-in-children
#13
REVIEW
Susan C Shelmerdine, Govind B Chavhan, Paul S Babyn, Paul C Nathan, Sue C Kaste
Long-term survival after childhood cancer has improved dramatically over recent decades but survivors face lifelong risks of adverse health effects. Many of these chronic conditions are a direct result of previous therapeutic exposures. Compared to their siblings, survivors face a greater than 8-fold increase in relative risk of severe or life-threatening medical conditions; the most significant of these include second malignancies and cardiovascular and pulmonary diseases. Imaging can play a key role in identifying and characterizing such complications, which can be reasonably predicted with knowledge of the child's treatment...
December 1, 2016: Pediatric Radiology
https://www.readbyqxmd.com/read/27895396/genetic-alterations-in-hepatocellular-carcinoma-an-update
#14
REVIEW
Zhao-Shan Niu, Xiao-Jun Niu, Wen-Hong Wang
Hepatocellular carcinoma (HCC) is one of the leading causes of cancer-related deaths worldwide. Although recent advances in therapeutic approaches for treating HCC have improved the prognoses of patients with HCC, this cancer is still associated with a poor survival rate mainly due to late diagnosis. Therefore, a diagnosis must be made sufficiently early to perform curative and effective treatments. There is a need for a deeper understanding of the molecular mechanisms underlying the initiation and progression of HCC because these mechanisms are critical for making early diagnoses and developing novel therapeutic strategies...
November 7, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27891213/uk-guidelines-for-the-management-of-soft-tissue-sarcomas
#15
REVIEW
Adam Dangoor, Beatrice Seddon, Craig Gerrand, Robert Grimer, Jeremy Whelan, Ian Judson
Soft tissue sarcomas (STS) are rare tumours arising in mesenchymal tissues, and can occur almost anywhere in the body. Their rarity, and the heterogeneity of subtype and location means that developing evidence-based guidelines is complicated by the limitations of the data available. However, this makes it more important that STS are managed by teams, expert in such cases, to ensure consistent and optimal treatment, as well as recruitment to clinical trials, and the ongoing accumulation of further data and knowledge...
2016: Clinical Sarcoma Research
https://www.readbyqxmd.com/read/27890656/nanoparticle-delivery-of-sirna-against-twist-to-reduce-drug-resistance-and-tumor-growth-in-ovarian-cancer-models
#16
Cai M Roberts, Sophia Allaf Shahin, Wei Wen, James B Finlay, Juyao Dong, Ruining Wang, Thanh H Dellinger, Jeffrey I Zink, Fuyuhiko Tamanoi, Carlotta A Glackin
Epithelial ovarian cancer (EOC) is the most deadly gynecologic malignancy on account of its late stage at diagnosis and frequency of drug resistant recurrences. Novel therapies to overcome these barriers are urgently needed. TWIST is a developmental transcription factor reactivated in cancers and linked to angiogenesis, metastasis, cancer stem cell phenotype, and drug resistance, making it a promising therapeutic target. In this work, we demonstrate the efficacy of TWIST siRNA (siTWIST) and two nanoparticle delivery platforms to reverse chemoresistance in EOC models...
November 25, 2016: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/27889031/surveillance-of-anal-canal-cancers
#17
REVIEW
Richard Adams
Anal squamous cell cancer is most frequently a locoregional disease that is amenable to curative therapy in a majority of fit patients. Complete response rates after chemoradiotherapy (CRT) are good, with up to 75% of patients with no evidence of relapse on surveillance. Relapse is most frequently locoregional and is often amendable to salvage surgery with curative intent. Effective surveillance attempts to improve outcomes by identifying recurrent or persistent disease early, managing both acute and late toxicities, and offering reassurance to patients...
January 2017: Surgical Oncology Clinics of North America
https://www.readbyqxmd.com/read/27881009/late-cardiac-effect-of-anthracycline-therapy-in-physically-active-breast-cancer-survivors-a-prospective-study
#18
A C Nagy, P GulAcsi-BArdos, Z CserEp, L Hangody, T Forster
The late-onset cardiotoxic effect of anthracycline is known, however the early detection and prevention of subclinical myocardial damage has not been fully understood yet. Besides medical therapy regular physical activities may also play a role in the prevention and reduction of side effects of chemotherapy. The aim of our present study was to detect the effect of regular physical activities on the diastolic function and on the symptoms of late heart failure in case of anthracycline chemotherapy. The prospective study included 55 female patients (age 31-65 year, average 49...
November 24, 2016: Neoplasma
https://www.readbyqxmd.com/read/27858548/cancer-cachexia-beyond-weight-loss
#19
Andrew R Bruggeman, Arif H Kamal, Thomas W LeBlanc, Joseph D Ma, Vickie E Baracos, Eric J Roeland
Cancer cachexia is a multifactorial syndrome characterized by skeletal muscle loss leading to progressive functional impairment. Despite the ubiquity of cachexia in clinical practice, prevention, early identification, and intervention remain challenging. The impact of cancer cachexia on quality of life, treatment-related toxicity, physical function, and mortality are well established; however, establishing a clinically meaningful definition has proven challenging because of the focus on weight loss alone. Attempts to more comprehensively define cachexia through body composition, physical functioning, and molecular biomarkers, while promising, are yet to be routinely incorporated into clinical practice...
November 2016: Journal of Oncology Practice
https://www.readbyqxmd.com/read/27853869/survival-of-de-novo-stage-iv-breast-cancer-patients-over-three-decades
#20
Dieter Hölzel, Renate Eckel, Ingo Bauerfeind, Bernd Baier, Thomas Beck, Michael Braun, Johannes Ettl, Ulrich Hamann, Nadia Harbeck, Marion Kiechle, Sven Mahner, Christian Schindlbeck, Johann de Waal, Jutta Engel
BACKGROUND: De novo stage IV breast cancer patients (BCIV) depict a clinical picture not influenced by adjuvant therapy. Therefore, the time-dependent impact of changes in diagnostics and treatments on progression and survival can best be evaluated in this subgroup. METHODS: BCIV patients from 1978 to 2013 registered in the Munich Cancer Registry were divided into four periods, and the trends were analysed. Survival was estimated by Kaplan-Meier methods, and prognostic factors were fitted with Cox proportional hazard models...
November 16, 2016: Journal of Cancer Research and Clinical Oncology
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