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Cancer chemotherapy

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https://www.readbyqxmd.com/read/28719656/phenotypic-characterization-of-circulating-tumor-cells-in-the-peripheral-blood-of-patients-with-small-cell-lung-cancer
#1
Ippokratis Messaritakis, Eleni Politaki, Athanasios Kotsakis, Eleftheria-Kleio Dermitzaki, Filippos Koinis, Eleni Lagoudaki, Anastasios Koutsopoulos, Galatea Kallergi, John Souglakos, Vassilis Georgoulias
BACKGROUND: To evaluate the phenotypic heterogeneity of circulating tumor cells (CTCs) based on the expression of proliferative, apoptotic and Epithelial-to-Mesenchymal Transmission (EMT) markers during front-line treatment in patients with small cell lung cancer (SCLC) and to evaluate their clinical relevance. METHODS: CTCs from 108 chemotherapy-naïve patients with SCLC were analyzed by double immunofluorescence staining using anti-Ki67, anti-M30, anti-Vimentin along with anti-CKs antibodies...
2017: PloS One
https://www.readbyqxmd.com/read/28719220/egfr-targeted-cationic-polymeric-mixed-micelles-for-co-delivery-of-gemcitabine-and-mir-205-for-treating-advanced-pancreatic-cancer
#2
Goutam Mondal, Saud Almawash, Amit Kumar Chaudhary, Ram I Mahato
Gemcitabine (GEM), a first-line chemotherapy for pancreatic cancer undergoes rapid metabolism and develops chemoresistance after repeated administration. We previously demonstrated that the combination of GEM and miR-205 provides an effective therapeutic strategy to sensitize GEM-resistant pancreatic cancer cells. Since epidermal growth factor receptor (EGFR) is overexpressed in pancreatic cancer cells, in this study, we aimed to deliver mixed micelles containing GEM and miR-205 decorated with EGFR-targeting cetuximab (C225) monoclonal antibody for targeted therapy...
July 18, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28719114/enzalutamide-for-treating-metastatic-hormone-relapsed-prostate-cancer-before-chemotherapy-is-indicated-%C3%A2-nice-2016-enzalutamide-for-treating-metastatic-hormone-relapsed-prostate-cancer-before-chemotherapy-is-indicated
#3
https://www.readbyqxmd.com/read/28719022/engineering-the-surface-of-smart-nanocarriers-using-a-ph-thermal-gsh-responsive-polymer-zipper-for-precise-tumor-targeting-therapy-in-vivo
#4
Penghui Zhang, Yan Wang, Jing Lian, Qi Shen, Chen Wang, Bohan Ma, Yuchao Zhang, Tingting Xu, Jianxin Li, Yongping Shao, Feng Xu, Jun-Jie Zhu
Nanocarrier surface chemistry plays a vital role in mediating cell internalization and enhancing delivery efficiency during in vivo chemotherapy. Inspired by the ability of proteins to alter their conformation to mediate functions, a pH-/thermal-/glutathione-responsive polymer zipper consisting of cell-penetrating poly(disulfide)s and thermosensitive polymers bearing guanidinium/phosphate (Gu(+) /pY(-) ) motifs to spatiotemporally tune the surface composition of nanocarriers for precise tumor targeting and efficient drug delivery is developed...
July 18, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28718942/the-shift-toward-neo-adjuvant-chemotherapy-and-interval-debulking-surgery-for-management-of-advanced-ovarian-and-related-cancers-in-a-population-based-setting-impact-on-clinical-outcomes
#5
James L Nicklin, Shaun McGrath, Lee Tripcony, Andrea Garrett, Russell Land, Amy Tang, Lewis Perrin, Naven Chetty, Nisha Jagasia, Alex J Crandon, Marcelo Nascimento, Graeme Walker, Karen Sanday, Andreas Obermair
OBJECTIVES: The aim of this study was to determine the proportion of patients with advanced ovarian and related cancers (EOC+RC), treated with neoadjuvant chemotherapy and interval debulking surgery (NACT - IDS), and to determine if there was any relationship with optimal cytoreduction rates and overall survival (OS) in a state-wide gynaecologic oncology service over time. METHODS: A retrospective review was undertaken using a population-based database of patients with stages 3 and 4 EOC+RC treated from 1982 till 2013 at the Queensland Centre for Gynaecological Cancer (QCGC)...
July 18, 2017: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/28718876/is-there-a-revision-needed-of-the-current-figo-staging-system
#6
Joseph Menczer
The FIGO staging system has undergone many modifications since it first appeared in about the middle of the previous century. Due to the use of modern diagnostic tools, namely computed tomography, magnetic resonance imaging, positron emission tomography, sentinel lymph node biopsy and of neoadjuvant chemotherapy, certain gynecological cancer cases cannot be allocated to a specific stage if one wishes to adhere strictly to FIGO requirements. In these circumstances such cases remain actually unstaged. This should prompt appropriate modifications of the current FIGO staging system so that it fulfills its aims...
July 18, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28718813/suppression-of-nrf2-activity-by-chestnut-leaf-extract-increases-chemosensitivity-of-breast-cancer-stem-cells-to-paclitaxel
#7
Yaejin Woo, Jisun Oh, Jong-Sang Kim
Due to metastatic potential and drug resistance, cancer stem cells (CSCs) have become a critical target for the development of chemotherapeutic agents. Recent studies showed that CSCs highly express NF-E2-related factor 2 (Nrf2)-mediated antioxidant enzymes and thereby retain relatively low levels of reactive oxygen species (ROS). Since anticancer agents usually utilize ROS as an arsenal for killing cancer cells, we hypothesized that inhibition of Nrf2 activity could increase the sensitivity of CSCs to anticancer drugs, and thus enhancing their therapeutic efficacy...
July 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28718695/enhanced-procoagulant-activity-of-platelets-after-chemotherapy-in-non-small-cell-lung-cancer
#8
Ruishuang Ma, Yayan Bi, Junjie Kou, Jin Zhou, Jialan Shi
The procoagulant status of patients with non-small cell lung cancer (NSCLC) after chemotherapy is poorly characterized and the role of platelets in hypercoagulative state of NSCLC is unknown. The aim of this study was to evaluate the procoagulant activity (PCA) of platelets in NSCLC before and after chemotherapy. The subjects were 52 patients newly diagnosed with NSCLC. The patients had decreased clotting time compared with healthy subjects, and the thrombin-antithrombin complex increased 2.5 fold after chemotherapy...
July 18, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28718673/ameliorative-effect-of-gallic-acid-in-doxorubicin-induced-hepatotoxicity-in-wistar-rats-through-antioxidant-defense-system
#9
Temidayo Olutayo Omobowale, Ademola Adetokunbo Oyagbemi, Uchechukwu Enwiwe Ajufo, Olumuyima Abiola Adejumobi, Olufunke Eunice Ola-Davies, Adeolu Alex Adedapo, Momoh Audu Yakubu
Hepatotoxicity has been found to be one of the main side effects associated with doxorubicin (Dox) administration in cancer therapy. The aim of the present study was to examine the ameliorative effect of gallic acid (GA) in Dox-induced hepatotoxicity. Sixty male Wistar rats of 10 rats per group were used in this study and were randomly divided into 6 experimental groups (A-F). Rats in Group A served as the control group and received distilled water orally for 7 days; Group B was given Dox at 15 mg/kg body weight intraperitoneally (IP) on Day 8...
July 18, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/28718444/tumor-host-cell-interactions-in-ovarian-cancer-pathways-to-therapy-failure
#10
REVIEW
Elke Pogge von Strandmann, Silke Reinartz, Uwe Wager, Rolf Müller
Although most ovarian cancer patients are highly responsive to chemotherapy, they frequently present with recurrent metastatic lesions that result in poor overall survival, a situation that has not changed in the last 20 years. This review discusses new insights into the regulation of ovarian cancer chemoresistance with a focus on the emerging role of immune and other host cells. Here, we summarize the complex molecular pathways that regulate the interaction between tumor and host cells, discuss the limitations of current in vitro and in vivo models for translational studies, and present perspectives for the development of innovative therapies...
February 2017: Trends in Cancer
https://www.readbyqxmd.com/read/28718409/metronomic-chemotherapy-direct-targeting-of-cancer-cells-after-all
#11
REVIEW
Nicolas André, Kelvin Tsai, Manon Carré, Eddy Pasquier
Metronomic chemotherapy (MC) was initially described as an antiangiogenic therapy more than 15 years ago. Over the past few years, additional data have highlighted the impact of MC on the microenvironment beyond angiogenesis, with, most importantly, a potential impact on the immune system. Here, we review and reappraise the fact that MC might be able to directly kill cancer cells. Although long neglected, this question is of critical importance both fundamentally and clinically, especially when considering future associations with immunotherapies...
May 2017: Trends in Cancer
https://www.readbyqxmd.com/read/28718286/functionalized-selenium-nanosystem-as-radiation-sensitizer-of-125i-seeds-for-precise-cancer-therapy
#12
Yahui Yang, Qiang Xie, Zhennan Zhao, Lizhen He, Leung Chan, Yingxiang Liu, Yongle Chen, Mingjun Bai, Tao Pan, Yanni Qu, Long Ling, Tianfeng Chen
Although radiotherapy has been extensively applied in cancer treatment, external beam radiation therapy is still difficult to avoid damage to adjacent normal tissues in the process of delivering a sufficient radiation dose to the tumor sites of patients. To overcome this limitation, chemoradiotherapy, as a combination of chemotherapy and radiotherapy of radioactive seed, has been proposed to decrease the damage for tumor surrounding tissues and enhance the radiosensitivity of solid tumors. In the study, we designed and synthesized folic acid-conjugated selenium nanoparticles (FA@SeNPs) as cancer-targeting agent, which could be synergistically enhanced by the radioactive 125I seeds to realize anticancer efficacy and inhibited colony formation ability...
July 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28718245/left-ventricular-systolic-dysfunction-predicted-by-early-troponin-i-release-after-anthracycline-based-chemotherapy-in-breast-cancer-patients
#13
Azhar Shafi, Neelam Siddiqui, Saba Imtiaz, Mansoor Ud Din Sajid
BACKGROUND: Anthracyclines are one of the most effective chemotherapeutic agents in management of Breast cancer, however Anthracycline induced cardiotoxicity remains a matter of special concern. Detection of early toxicity by use of biomarkers like Troponins has been the focus of interest in recent years. We measured Troponin I levels after chemotherapy with anthracyclines and correlated it with ECG, Echocardiography and clinical findings. METHODS: Patients with early Breast cancer eligible for chemotherapy were included in the study...
April 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28718079/symptom-self-management-strategies-reported-by-adolescents-and-young-adults-with-cancer-receiving-chemotherapy
#14
Lauri A Linder, Jeanne M Erickson, Kristin Stegenga, Catherine Fiona Macpherson, Sarah Wawrzynski, Christina Wilson, Suzanne Ameringer
PURPOSE: Adolescents and young adults (AYAs) with cancer experience multiple symptoms related to their cancer and its treatment which can negatively impact their development and quality of life. An understanding of the strategies AYAs use to self-manage their symptoms is limited. This study described symptom self-management strategies reported by AYAs with cancer using an iPad-based symptom heuristics tool, the Computerized Symptom Capture Tool. METHODS: The study used a cross-sectional, descriptive design...
July 17, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28718033/a-new-clinical-trial-of-neoadjuvant-chemotherapy-combined-with-transoral-robotic-surgery-and-customized-adjuvant-therapy-for-patients-with-t3-or-t4-oropharyngeal-cancer
#15
Young Min Park, Chan Min Jung, Dongchul Cha, Da Hee Kim, Hye Ryun Kim, Ki Chang Keum, Nam Hoon Cho, Se-Heon Kim
BACKGROUND: A prospective clinical trial of combination neoadjuvant chemotherapy, transoral robotic surgery (TORS), and customized adjuvant therapy for patients with locally advanced oropharyngeal cancer was conducted. METHODS: Between July 2009 and October 2016, 31 patients were enrolled in this clinical trial. RESULTS: The primary lesions were located in the tonsils of 27 patients and in the base of the tongue of 4 patients. Of the 31 patients, 16 (51...
July 17, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28717861/patient-perspectives-on-gene-transfer-therapy-for-sickle-cell-disease
#16
Heather Strong, Monica J Mitchell, Alana Goldstein-Leever, Lisa Shook, Punam Malik, Lori E Crosby
INTRODUCTION: Sickle cell disease (SCD) is a chronic genetic disease with high morbidity and early mortality; it affects nearly 100,000 individuals in the USA. Bone marrow transplantation, the only curative treatment, is available to less than 20% of patients because of a number of access barriers. Gene transfer therapy (GTT) has been shown to be curative in animal models and is approved for use in humans for early-phase studies at a few centers. GTT would offer a more accessible treatment option available to all patients...
July 17, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28717770/national-cancer-control-programme-in-india-proposal-for-organization-of-chemotherapy-and-systemic-therapy-services
#17
Seema Gulia, Manju Sengar, Rajendra Badwe, Sudeep Gupta
Cancer is a major health problem in India, with an estimated incidence of 1 million cases in 2012 that is likely to double in 2035 to approximately 1.7 million. The majority of cases are diagnosed in advanced stages, and approximately two thirds of patients die as a result of their disease. The mortality-to-incidence ratio is 0.68 in India, which is far higher than that in developed countries (approximately 0.38). One of the important reasons for this discrepancy is inequitable distribution and inaccessibility of health care resources in India...
June 2017: Journal of Global Oncology
https://www.readbyqxmd.com/read/28717761/estimation-of-premature-deaths-from-lack-of-access-to-anti-her2-therapy-for-advanced-breast-cancer-in-the-brazilian-public-health-system
#18
Márcio Debiasi, Tomás Reinert, Rafael Kaliks, Gilberto Amorim, Maira Caleffi, Carlos Sampaio, Gustavo Dos Santos Fernandes, Carlos H Barrios
PURPOSE: Patients with human epidermal growth factor receptor 2 (HER2) -positive metastatic tumors treated in the public health system in Brazil do not have access to trastuzumab. This study aimed to estimate the impact of the lack of access to anti-HER2 therapies on the mortality of these patients. METHODS: On the basis of published data, the number of patients with HER2-positive advanced breast cancer in 2016 who should receive anti-HER2 targeted therapy was estimated...
June 2017: Journal of Global Oncology
https://www.readbyqxmd.com/read/28717760/pilot-survey-of-breast-cancer-management-in-sub-saharan-africa
#19
Verna D N K Vanderpuye, Olufunmilayo I Olopade, Dezheng Huo
PURPOSE: To understand the current state of breast cancer management in sub-Saharan Africa. METHODS: We conducted an anonymous online survey of breast cancer management among African Organization for Research and Treatment in Cancer (AORTIC) members by using a 42-question structured questionnaire in both English and French in 2013. RESULTS: Twenty members from 19 facilities in 14 countries responded to the survey. Twelve members (60%) belonged to a multidisciplinary breast cancer team...
June 2017: Journal of Global Oncology
https://www.readbyqxmd.com/read/28717759/quality-oncology-practice-initiative-can-guide-and-improve-oncology-providers-training-in-brazil
#20
Cristiane Decat Bergerot, Errol J Philip, Paulo Gustavo Bergerot, Simone Elias, Daiane Pereira Guimarães, Nora Manoukian Forones, Otavio Cesar Carvalho Guimarães Baiocchi, Nildo Alves Batista, Edvane Birelo Lopes De Domenico
PURPOSE: It has become crucial to translate scientific findings and to find ways by which to mobilize local resources to improve the quality and accessibility of cancer care in developing countries. This study seeks to provide insight into challenge through examining differences in clinician documentation of patients with cancer treated at a Brazilian Public University Hospital. METHODS: ASCO Quality Oncology Practice Initiative (QOPI) measures were used to examine the care provided in the departments of breast, colorectal, lymphoma, gynecology, and lung cancers...
June 2017: Journal of Global Oncology
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