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https://www.readbyqxmd.com/read/28532085/mesoporous-nano-bioglass-designed-for-the-release-of-imatinib-and-in-vitro-inhibitory-effects-on-cancer-cells
#1
Muhammad Shoaib, Aamer Saeed, Muhammad Saif Ur Rahman, Muhammad Moazzam Naseer
For treating bone cancer, controlled drug delivery is an important strategy. Bioactive scaffolds are widely used biomaterials due to their usefulness in localized drug delivery. The aim of this study was to develop mesoporous bioglass (MBG) with improved bioactivity and controllable drug delivery rate. By using pluronic 123 (P123) as a template, a facile sol-gel route was employed for the synthesis of MBG nanoparticles (NPs). The composition of the prepared sample was estimated by using energy dispersive X-ray spectroscopy (EDX)...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28532049/co-delivery-of-cisplatin-and-doxorubicin-from-calcium-phosphate-beads-matrix-scaffolds-for-osteosarcoma-therapy
#2
Ulrike Hess, Shakiba Shahabi, Laura Treccani, Philipp Streckbein, Christian Heiss, Kurosch Rezwan
Bone substitute materials with a controlled drug release ability can fill cavities caused by the resection of bone tumours and thereby combat any leftover bone cancer cells. The combined release of different cytostatics seems to enhance their toxicity. In this study, calcium phosphate beads and matrix scaffolds are combined for a long-term co-delivery of cis-diamminedichloroplatinum (cisplatin, CDDP) and doxorubicin hydrochloride (DOX) as clinical relevant model drugs. Tricalcium phosphate/alginate beads as additional drug carrier are produced by droplet extrusion with ionotropic gelation and incorporated in scaffold matrix by freeze gelation without sintering...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531357/prostate-specific-antigen-decline-pattern-in-advanced-prostate-cancer-receiving-androgen-deprivation-therapy-and-relationship-with-prostate-specific-antigen-progression
#3
Erdem Akbay, Murat Bozlu, Selahittin Çayan, Pelin Özcan Kara, Mesut Tek, Cuma Aytekin
INTRODUCTION: The aim of this study is to evaluate prostate-specific antigen decline pattern including prostate-specific antigen kinetics following androgen deprivation therapy on prostate-specific antigen progression in the patients with advanced prostate cancer. MATERIALS AND METHODS: Ninety-seven advanced prostate cancer patients receiving maximum androgen deprivation therapy were enrolled in case-control study. Baseline prostate-specific antigen, Gleason Score, bone metastase, nadir prostate-specific antigen, time to nadir prostate-specific antigen, declining slope to nadir prostate-specific antigen, estimated baseline prostate-specific antigen half-time, current prostate-specific antigen, post-nadir prostate-specific antigen time, estimated prostate-specific antigen, estimated decline of baseline prostate-specific antigen as quantitative, and ratio were recorded and calculated...
May 20, 2017: Aging Male: the Official Journal of the International Society for the Study of the Aging Male
https://www.readbyqxmd.com/read/28530671/cardiopulmonary-assessment-of-patients-with-systemic-sclerosis-for-hematopoietic-stem-cell-transplantation-recommendations-from-the-european-society-for-blood-and-marrow-transplantation-autoimmune-diseases-working-party-and-collaborating-partners
#4
REVIEW
D Farge, R K Burt, M-C Oliveira, E Mousseaux, M Rovira, Z Marjanovic, J de Vries-Bouwstra, N Del Papa, R Saccardi, S J Shah, D C Lee, C Denton, T Alexander, D G Kiely, J A Snowden
Systemic sclerosis (SSc) is a rare disabling autoimmune disease with a similar mortality to many cancers. Two randomized controlled trials of autologous hematopoietic stem cell transplantation (AHSCT) for SSc have shown significant improvement in organ function, quality of life and long-term survival compared to standard therapy. However, transplant-related mortality (TRM) ranged from 3-10% in patients undergoing HSCT. In SSc, the main cause of non-transplant and TRM is cardiac related. We therefore updated the previously published guidelines for cardiac evaluation, which should be performed in dedicated centers with expertize in HSCT for SSc...
May 22, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28530214/-the-long-term-treatment-outcomes-of-adult-osteosarcoma
#5
Iwowa Ługowska, Andrzej Pieńkowski, Anna Szumera-Ciećkiewicz, Hanna Koseła-Paterczyk, Pawel Teterycz, Maciej Głogowski, Katarzyna Kozak, Anna Klimczak, Slawomir Falkowski, Piotr Rutkowski
Osteosarcoma is the most common primary bone tumor. Treatment of osteosarcoma patients is based on chemotherapy as well as surgical resection of primary tumor and distant metastases. Lung metastases are the primary cause of death in this group of patients. AIM: The aim of this study is to summarize the 20 years of osteosarcoma treatment outcomes in the Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology in Warsaw. MATERIALS AND METHODS: Our analysis included clinical data of 299 osteosarcoma patients aged between 14 and 81 years (median 32) treated in Maria Sklodowska-Curie Memorial Cancer Center between 1998 and 2016...
April 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28529618/bone-metastasis-related-signaling-pathways-in-breast-cancers-stratified-by-estrogen-receptor-status
#6
Naoki Hayashi, Takayuki Iwamoto, Yuan Qi, Naoki Niikura, Libero Santarpia, Hideko Yamauchi, Seigo Nakamura, Gabriel N Hortobagyi, Lajos Pusztai, W Fraser Symmans, Naoto T Ueno
Background: Breast cancer bone metastasis (BCBM)-specific genes have been reported without considering biological differences based on estrogen receptor (ER) status. The aims of this study were to identify BCBM-specific genes using our patient dataset and validate previously reported BCBM-specific genes, and to determine whether ER-status-related biological differences matter in identification of BCBM-specific genes. Methods: We used Affymetrix GeneChips to analyze 365 primary human epidermal growth factor receptor 2 (HER2)-negative invasive breast cancer specimens...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28529342/circulating-tumor-cells-and-serum-levels-of-mmp-2-mmp-9-and-vegf-as-markers-of-the-metastatic-process-in-patients-with-high-risk-of-metastatic-progression
#7
Marketa Skerenova, Veronika Mikulova, Otakar Capoun, Tomas Zima, Petra Tesarova
BACKGROUND AND AIMS: Metastases are a severe complication in cancer patients and biomarkers predicting their progression are still lacking for specific groups of patients. HER2 positive breast cancer (HER2 BC) patients on trastuzumab therapy are at risk of the development of unpredictable and often fatal central nervous system (CNS) metastases and castration resistant prostate cancer (CRPC) patients urgently need a marker of disease progression during therapy. Proposed metastatic markers: circulating tumor cells (CTC), serum levels of matrix metalloproteinase 2 (MMP-2), 9 (MMP-9) and vascular endothelial growth factor (VEGF) were prospectively studied to confirm their utility in these two narrowly defined groups of cancer patients...
May 16, 2017: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/28528206/feasibility-of-atlas-based-active-bone-marrow-sparing-intensity-modulated-radiation-therapy-for-cervical-cancer
#8
Nan Li, Sonal S Noticewala, Casey W Williamson, Hanjie Shen, Igor Sirak, Rafal Tarnawski, Umesh Mahantshetty, Carl K Hoh, Kevin L Moore, Loren K Mell
BACKGROUND: To test the hypothesis that atlas-based active bone marrow (ABM)-sparing intensity modulated radiation therapy (IMRT) yields similar dosimetric results compared to custom ABM-sparing IMRT for cervical cancer patients. METHODS: We sampled 62 cervical cancer patients with pre-treatment FDG-PET/CT in training (n=32) or test (n=30) sets. ABM was defined as the subvolume of the pelvic bone marrow (PBM) with standardized uptake value (SUV) above the mean on the average FDG-PET image (ABMAtlas) vs...
May 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28527578/tr2-and-tr4-orphan-nuclear-receptors-an-overview
#9
Shin-Jen Lin, Dong-Rong Yang, Guosheng Yang, Chang-Yi Lin, Hong-Chiang Chang, Gonghui Li, Chawnshang Chang
Testicular nuclear receptors 2 and 4 (TR2, TR4), also known as NR2C1 and NR2C2, belong to the nuclear receptor superfamily and were first cloned in 1989 and 1994, respectively. Although classified as orphan receptors, several natural molecules, their metabolites, and synthetic compounds including polyunsaturated fatty acids (PUFAs), PUFA metabolites 13-hydroxyoctadecadienoic acid, 15-hydroxyeicosatetraenoic acid, and the antidiabetic drug thiazolidinediones can transactivate TR4. Importantly, many of these ligands/activators can also transactivate peroxisome proliferator-activated receptor gamma (PPARγ), also known as NR1C3 nuclear receptor...
2017: Current Topics in Developmental Biology
https://www.readbyqxmd.com/read/28526959/adjuvant-tamoxifen-but-not-aromatase-inhibitor-therapy-decreases-serum-levels-of-the-wnt-inhibitor-dickkopf-1-while-not-affecting-sclerostin-in-breast-cancer-patients
#10
Andy Göbel, Jan D Kuhlmann, Theresa Link, Pauline Wimberger, Andrew J Browne, Martina Rauner, Lorenz C Hofbauer, Tilman D Rachner
PURPOSE: Endocrine therapies, including tamoxifen or aromatase inhibitors, are indispensable for the treatment of patients with estrogen receptor (ER)- and/or progesterone-positive breast cancer. Whereas tamoxifen displays partial ER agonistic effects in bone, aromatase inhibitors increase bone resorption and fracture risk. The Wnt inhibitors dickkopf-1 (DKK-1) and sclerostin negatively impact bone formation and are considered targets for the treatment of bone disorders. However, the effect of endocrine therapies on serum DKK-1 and sclerostin levels in patients with primary breast cancer remains elusive...
May 19, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28526418/prevalence-of-measurable-disease-in-metastatic-castration-resistant-prostate-cancer
#11
Guru Sonpavde, Ankit Madan, Mary K Baker, Jori E May, Gurudatta Naik, Sejong Bae
BACKGROUND: Because of the low historical prevalence of measurable disease in metastatic castration-resistant prostate cancer (mCRPC), phase II trials have used prostate-specific antigen (PSA) and bone scan changes as primary end points. Frequent whole-body imaging and improved computed tomography technology currently identify measurable disease more frequently, warranting consideration of objective response as a major end point. PATIENTS AND METHODS: Data from reported phase III trials of mCRPC were analyzed...
April 26, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28526284/low-bone-mineral-density-may-be-associated-with-long-term-risk-of-cancer-in-the-middle-aged-population-a-retrospective-observational-study-from-a-single-center
#12
Hsin-Fu Lee, Chiao-En Wu, Yu-Sheng Lin, Jaw-Shan Hwang, Chu-Hua Wu, Pao-Hsien Chu
BACKGROUND: It is generally understood that cancer patients are at an increased risk for osteoporosis. Additionally, recent studies have suggested a shared pathophysiological mechanism between the development of cancer and osteoporosis. The purpose of this investigation was to investigate whether low bone mineral density is associated with cancer risk. METHODS: We enrolled 8780 subjects who underwent dual-energy X-ray absorptiometry (DXA) and cancer screening from January 1, 2008-December 31, 2012 from a cohort selected from Chang Gung Health Care Center in Taiwan...
May 16, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28525684/223ra-dichloride-response-in-a-patient-with-paget-disease-and-bone-metastases-secondary-to-castration-resistant-prostate-cancer
#13
Lina García Cañamaque, Cristina Rioja Parada, Paloma García De la Peña
PURPOSE: Paget disease is commonly asymptomatic and discovered when an imaging test is performed for another clinical indication or when elevated serum alkaline phosphatase is found. Bone pain usually appears late in the disease process and is only present in a minority of patients. For diagnosis, X-ray and bone scan are the most recommended imaging methods; radionuclide imaging of the skeleton has become the standard, since it is the most sensitive test for detecting increased bone activity...
May 18, 2017: Tumori
https://www.readbyqxmd.com/read/28525458/unusual-presentation-of-relapse-in-neuroblastoma-pancreatic-metastases-detected-by-123i-mibg-scintigraphy
#14
Maria Felicia Villani, Maria Luisa D'Andrea, Aurora Castellano, Milena Pizzoferro, Maria Carmen Garganese
Neuroblastoma is the most common extracranial solid tumor in children and accounts for 8% to 10% of all childhood cancers. The spread of metastases is both lymphatic and hematogenous. Hematogenous route occurs most commonly in bone marrow and cortical bone; pancreatic metastases are very rare, and there are few reports about this topic in medical literature. We report the case of a 14-year-old boy who suffers a third relapse of neuroblastoma: in this patient I-MIBG confirms that lesions detected by CT were due to a relapse in pancreatic tissue and influenced subsequent therapeutic management...
May 19, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28524909/nonpharmacologic-pain-interventions-a-review-of-evidence-based-practices-for-reducing-chronic-cancer-pain%C3%A2
#15
Linda H Eaton, Jeannine M Brant, Karen McLeod, Chao Yeh
BACKGROUND: Pain is a common issue for patients with cancer and can be challenging to manage effectively. Healthcare professionals need to be knowledgeable about evidence-based nonpharmacologic interventions.
. OBJECTIVES: This systematic review critically appraises the strength and quality of the empirical evidence for nonpharmacologic interventions in reducing chronic cancer pain.
. METHODS: Intervention studies were critically appraised and summarized by an Oncology Nursing Society Putting Evidence Into Practice team of RNs, advanced practice nurses, and nurse scientists...
June 1, 2017: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/28524233/bortezomib-sensitizes-human-osteosarcoma-cells-to-adriamycin-induced-apoptosis-through-ros-dependent-activation-of-p-eif2%C3%AE-atf4-chop-axis
#16
Miao Xian, Handi Cao, Ji Cao, Xuejing Shao, Difeng Zhu, Ning Zhang, Ping Huang, Weixu Li, Bo Yang, Meidan Ying, Qiaojun He
Osteosarcoma is the most common bone cancer, and chemotherapy is currently indispensable for its treatment. Adriamycin has been claimed to be the most effective agent for osteosarcoma, however, the outcome of adriamycin chemotherapy remains unsatisfactory. Here, we reported a potent combination therapy that bortezomib, a proteasome inhibitor, enhances adriamycin-induced apoptosis to eliminate osteosarcoma cells and we revealed that the activation of p-eIF2α/ATF4/CHOP axis is the underlying associated mechanisms...
May 19, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28523945/prevention-of-postmenopausal-osteoporosis-in-chinese-women-a-5-year-double-blind-randomized-parallel-placebo-controlled-study
#17
S Y Ran, Q Yu, Y Chen, S Q Lin
OBJECTIVES: To observe the effectiveness and safety of menopause-related hormone therapy (MHT) to prevent bone loss in Chinese women during the menopausal transition and early menopause, as well as to evaluate the effects of 5-year MHT on overall health to add Level I evidence for the prevention of osteoporosis using MHT. DESIGN: This clinical study was a prospective, double-blind, randomized, parallel placebo-controlled study. Chinese women in the menopausal transition and early menopause were randomly allocated to the MHT group or the placebo group...
May 19, 2017: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/28523756/isolation-of-circulating-tumor-cells-in-pancreatic-cancer-patients-by-immunocytochemical-assay
#18
Jing Yang, Ying Zhou, Bin Zhao
BACKGROUND: The patients diagnosed with pancreatic cancer have the possibilities of getting the cancer again even after resection. The tumor cells identified from blood can be related to different stages of tumor. METHODS: In this study, we used an immunoassay to detect circulating tumor cells in blood and bone marrow samples. About 120 patients' blood and bone marrow samples were used in this study along with controls. The presence of tumor cells was evaluated with different stages of cancer classified by UICC...
May 19, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28523162/a-preliminary-exploration-of-the-intravoxel-incoherent-motion-applied-in-the-preoperative-evaluation-of-mediastinal-lymph-node-metastasis-of-lung-cancer
#19
Xin Ye, Shuo Chen, Yaru Tian, Bin You, Wenqian Zhang, Yan Zhao, Tao Jiang, Bin Hu, Hui Li
BACKGROUND: The aim of this study was to investigate the diagnostic value of the intravoxel incoherent motion (IVIM) for distinguishing non-metastatic from metastatic mediastinal lymph nodes in lung cancer. METHODS: IVIM-diffusion weighted imaging (DWI) exams were performed preoperatively on 66 patients with lung cancer from October 2015 to June 2016 in Beijing Chao-Yang Hospital, Capital Medical University. Fifty patients underwent enhanced chest computed tomography (CT) in our hospital, while the other 16 patients already had enhanced chest CT images when they were admitted...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28522594/sphingomyelin-synthase-2-deficiency-inhibits-the-induction-of-murine-colitis-associated-colon-cancer
#20
Toshio Ohnishi, Chieko Hashizume, Makoto Taniguchi, Hidehiro Furumoto, Jia Han, Rongfen Gao, Shinichi Kinami, Takeo Kosaka, Toshiro Okazaki
Sphingomyelin synthase 2 (SMS2) is the synthetic enzyme of sphingomyelin (SM), which regulates membrane fluidity and microdomain structure. SMS2 plays a role in LPS-induced lung injury and inflammation; however, its role in inflammation-mediated tumorigenesis is unclear. We investigated the effect of SMS2 deficiency on dextran sodium sulfate (DSS)-induced murine colitis and found inhibition of DSS-induced inflammation in SMS2-deficient (SMS2(-/-)) mice. DSS treatment induced a significant increase in ceramide levels, with a decrease of SM levels in SMS2(-/-) colon tissue, and demonstrated attenuation of the elevation of both inflammation-related gene expression and proinflammatory cytokines and chemokines, leukocyte infiltration, and MAPK and signal transducer and activator of transcription 3 activation...
May 18, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
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