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https://www.readbyqxmd.com/read/28317871/insights-into-molecular-therapy-of-glioma-current-challenges-and-next-generation-blueprint
#1
REVIEW
Y Rajesh, Ipsita Pal, Payel Banik, Sandipan Chakraborty, Sachin A Borkar, Goutam Dey, Ahona Mukherjee, Mahitosh Mandal
Glioma accounts for the majority of human brain tumors. With prevailing treatment regimens, the patients have poor survival rates. In spite of current development in mainstream glioma therapy, a cure for glioma appears to be out of reach. The infiltrative nature of glioma and acquired resistance substancially restrict the therapeutic options. Better elucidation of the complicated pathobiology of glioma and proteogenomic characterization might eventually open novel avenues for the design of more sophisticated and effective combination regimens...
March 20, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28281768/parents-are-aware-of-the-ototoxic-effects-of-chemotherapy-in-paediatrics-undergoing-cancer-treatment-professional-versus-parental-views-a-pilot-study
#2
Nomfundo F Moroe, Kirstie Hughes
BACKGROUND: The primary goal of chemotherapy is to cure cancer and its symptoms. Hence, in recent years, there has been an increase in cancer paediatric survival rate. However, there have also been adverse side effects such as ototoxic hearing loss because of chemotherapy. Therefore, this study aimed at exploring whether the parents of children undergoing chemotherapy are aware of ototoxic effects of chemotherapy. METHODS: A non-experimental quantitative study was conducted to collect data through questionnaires, one for paediatric oncologists and the other for parents...
February 27, 2017: South African Journal of Communication Disorders. die Suid-Afrikaanse Tydskrif Vir Kommunikasieafwykings
https://www.readbyqxmd.com/read/28258828/dna-thioguanine-nucleotide-concentration-and-relapse-free-survival-during-maintenance-therapy-of-childhood-acute-lymphoblastic-leukaemia-nopho-all2008-a-prospective-substudy-of-a-phase-3-trial
#3
Stine Nygaard Nielsen, Kathrine Grell, Jacob Nersting, Jonas Abrahamsson, Bendik Lund, Jukka Kanerva, Ólafur Gísli Jónsson, Goda Vaitkeviciene, Kaie Pruunsild, Lisa Lyngsie Hjalgrim, Kjeld Schmiegelow
BACKGROUND: Adjustment of mercaptopurine and methotrexate maintenance therapy of acute lymphoblastic leukaemia by leucocyte count is confounded by natural variations. Cytotoxicity is primarily mediated by DNA-incorporated thioguanine nucleotides (DNA-TGN). The aim of this study was to establish whether DNA-TGN concentrations in blood leucocytes during maintenance therapy are associated with relapse-free survival. METHODS: In this substudy of the NOPHO ALL2008 phase 3 trial done in 23 hospitals in seven European countries (Denmark, Estonia, Finland, Iceland, Lithuania, Norway, and Sweden), we analysed data from centralised and blinded analyses of 6-mercaptopurine and methotrexate metabolites in blood samples from patients with non-high-risk childhood acute lymphoblastic leukaemia...
February 28, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28258743/loco-regional-treatment-of-hcc-current-status
#4
REVIEW
L Crocetti, I Bargellini, R Cioni
Hepatocellular carcinoma (HCC) represents one of the few cancers for which locoregional treatments are recognised as being able to cure and/or prolong survival and are included in international guidelines. This is due to the unique nature of HCC, in most cases occurring in patients with underlying virus- or alcohol-related cirrhosis. The treatment choice in patients with HCC is therefore driven not only by tumour staging, as in the great majority of cancers, but also by careful evaluation of liver function and physical status...
February 28, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28258545/the-role-of-immune-checkpoint-inhibition-in-the-treatment-of-brain-tumors
#5
REVIEW
Andrew S Luksik, Russell Maxwell, Tomas Garzon-Muvdi, Michael Lim
The standard of care for malignant gliomas of the brain has changed very little over the last few decades, and does not offer a cure for these rare, but fatal, tumors. The field of immunotherapy has brought potent new drugs into the oncological armamentarium, and is becoming recognized as a potentially important arm in the treatment of glioblastoma for adults. Immune checkpoints are inhibitory receptors found on immune cells that, when stimulated, cause those immune cells to become quiescent. While this is a natural mechanism to prevent excessive inflammatory damage and autoimmunity in otherwise healthy tissues, cancer cells may utilize this process to grow in the absence of targeted immune destruction...
March 3, 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/28246541/a-review-of-black-salve-cancer-specificity-cure-and-cosmesis
#6
REVIEW
Andrew Croaker, Graham J King, John H Pyne, Shailendra Anoopkumar-Dukie, Lei Liu
Black salve is a topical escharotic used for the treatment of skin cancer. Although promoted as a safe and effective alternative to conventional management by its proponents, limited clinical research has been undertaken to assess its efficacy and potential toxicities. Patients are increasingly utilizing the Internet as a source of health information. As a minimally regulated space, the quality and accuracy of this information vary considerably. This review explores four health claims made by black salve vendors, investigating its natural therapy credentials, tumour specificity, and equivalence to orthodox medicine in relation to skin cancer cure rates and cosmesis...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28209496/uterine-leiomyosarcoma-epidemiology-contemporary-treatment-strategies-and-the-impact-of-uterine-morcellation
#7
REVIEW
Stephanie Ricci, Rebecca L Stone, Amanda N Fader
Leiomyosarcoma, a rare tumor subtype, accounts for 1% of all uterine malignancies, but contributes to a significant proportion of uterine cancer deaths. Surgery is considered the mainstay of treatment for all soft tissue sarcomas, including uterine variants. However, uterine leiomyosarcoma is challenging to diagnose preoperatively and can mimic the appearance of benign uterine leiomyomas. Recently, concerns have grown in this regard, as surgeons have utilized uterine morcellation and myomectomy procedures unknowingly in the setting of occult uterine sarcoma...
February 13, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28187778/whole-body-mri-in-pediatric-patients-with-cancer
#8
REVIEW
Marcos Duarte Guimarães, Julia Noschang, Sara Reis Teixeira, Marcel Koenigkam Santos, Henrique Manoel Lederman, Vivian Tostes, Vikas Kundra, Alex Dias Oliveira, Bruno Hochhegger, Edson Marchiori
Cancer is the leading cause of natural death in the pediatric populations of developed countries, yet cure rates are greater than 70% when a cancer is diagnosed in its early stages. Recent advances in magnetic resonance imaging methods have markedly improved diagnostic and therapeutic approaches, while avoiding the risks of ionizing radiation that are associated with most conventional radiological methods, such as computed tomography and positron emission tomography/computed tomography. The advent of whole-body magnetic resonance imaging in association with the development of metabolic- and function-based techniques has led to the use of whole-body magnetic resonance imaging for the screening, diagnosis, staging, response assessment, and post-therapeutic follow-up of children with solid sporadic tumours or those with related genetic syndromes...
February 10, 2017: Cancer Imaging: the Official Publication of the International Cancer Imaging Society
https://www.readbyqxmd.com/read/28176651/lung-cancer-stem-cells-an-epigenetic-perspective
#9
Samriddhi Shukla, Sajid Khan, Sonam Sinha, Syed Musthapa Meeran
Lung cancer remains the major cause of human mortality among all the cancer types despite the colossal amount of efforts to prevent the cancer onset and to provide the appropriate cure. Recent reports have identified that important contributors of lung cancer-related mortality are the drug resistance and aggressive tumor relapse, the characteristics contributed by the presence of lung cancer stem cells (CSCs). The identification of lung CSCs is inherently complex due to the quiescent nature of lung epithelium, which makes the distinction between the normal lung epithelium and lung CSCs difficult...
February 5, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28094573/advanced-gastric-adenocarcinoma-optimizing-therapy-options
#10
REVIEW
Dilsa Mizrak Kaya, Kazuto Harada, Yusuke Shimodaira, Fatemeh G Amlashi, Quan Lin, Jaffer A Ajani
Gastric adenocarcinoma (GAC) is the fifth most common cancer and third leading cause of cancer related mortality worldwide. When localized, cure is achievable with surgery and adjunctive therapies in some patients, however, once advanced, GAC is not a curable condition. Only two targeted agents (trastuzumab and ramucirumab) have been approved and apatinib was approved only in China. Because of the heterogeneous nature of GAC, it is not possible to assess a standard therapeutic approach. Areas covered: In this review, we aimed to describe the optimal systemic therapy regimens for advanced GAC...
March 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/28027959/polysarcosine-brush-stabilized-gold-nanorods-for-in-vivo-near-infrared-photothermal-tumor-therapy
#11
Hong Zhu, Ying Chen, Fang-Jie Yan, Jin Chen, Xin-Feng Tao, Jun Ling, Bo Yang, Qiao-Jun He, Zheng-Wei Mao
Gold nanorods (AuNRs) are suitable candidates for photothermal therapy in vivo, because of their excellent ability to transfer near-infrared (NIR) light into heat. However, appropriate surface should be generated on AuNRs before their in vivo application because of the low colloidal stability in complicate biological environment and relatively strong toxicity compared to their pristine stabilizer cetyltrimethylammonium bromide. In the current study, polysarcosine (PS), a non-ionic hydrophilic polypeptoid whose structure is similar to polypeptides, bearing repeating units of natural α-amino acid, was used to stabilize AuNRs due to its excellent hydrophilicity and biocompatibility...
December 25, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27975326/measurement-of-antiviral-effect-and-innate-immune-response-during-treatment-of-primary-woodchuck-hepatocytes
#12
Marta G Murreddu, Manasa Suresh, Severin O Gudima, Stephan Menne
An estimated 350 million people are chronically infected with hepatitis B virus (HBV), and over one million people die each year due to HBV-associated liver diseases, such as cirrhosis and liver cancer. Current therapeutics for chronic HBV infection are limited to nucleos(t)ide analogs and interferon. These anti-HBV drugs in general reduce viral load and improve the long-term outcome of infection but very rarely lead to a cure. Thus, new therapies for chronic HBV infection need to be developed by utilizing liver cell lines and primary cultures and small laboratory animals capable of replicating HBV or surrogate hepadnaviruses for antiviral testing...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27968857/surgical-treatment-of-patients-with-lung-cancer-and-bone-metastases-a-prospective-observational-study
#13
Wang Zhiyu, Zhang Rui, Wang Shuai, Zhao Hui
BACKGROUND: As life expectancy improves in patients with lung cancer and bone metastases, effective surgical treatment to relieve pain and improve quality of life and neurological function is increasingly needed. Indications for surgery in patients with bone metastases are controversial. We aimed to assess a protocol for the surgery of patients with lung cancer and bone metastases. METHODS: We developed a surgical protocol for both spinal and appendicular metastases...
October 2016: Lancet
https://www.readbyqxmd.com/read/27927864/efficacy-and-safety-of-praziquantel-against-light-infections-of-opisthorchis-viverrini-a-randomised-parallel-single-blind-dose-ranging-trial
#14
Somphou Sayasone, Isabel Meister, Jason R Andrews, Peter Odermatt, Youthanavanh Vonghachack, Syda Xayavong, Kanpaseuth Senggnam, Khampheng Phongluxa, Jan Hattendorf, Isaac I Bogoch, Jennifer Keiser
BACKGROUND: The liver fluke Opisthorchis viverrini, highly prevalent in Southeast Asia, is an important public health burden, including a risk factor for developing an aggressive bile duct cancer, cholangiocarcinoma, in chronically infected patients. Praziquantel, administered at single 40 mg/kg in preventive chemotherapy programs and 3 x 25 mg/kg for individual treatment is the drug of choice, yet information on the nature of the dose-response relationship is lacking. METHODS: We performed a randomized, parallel, single blind dose-ranging Phase 2 trial in Lao PDR in O...
December 7, 2016: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/27915436/bone-marrow-produces-sufficient-alloreactive-natural-killer-nk-cells-in-vivo-to-cure-mice-from-subcutaneously-and-intravascularly-injected-4t1-breast-cancer
#15
Michel van Gelder, Ariane Vanclée, Catharina H M J van Elssen, Pierre Hupperets, Lotte Wieten, Gerard M Bos
PURPOSE: Administration of 5 million alloreactive natural killer (NK) cells after low-dose chemo-irradiation cured mice of 4T1 breast cancer, supposedly dose dependent. We now explored the efficacy of bone marrow as alternative in vivo source of NK cells for anti-breast cancer treatment, as methods for in vitro clinical scale NK cell expansion are still in developmental phases. METHODS: Progression-free survival (PFS) after treatment with different doses of spleen-derived alloreactive NK cells to 4T1-bearing Balb/c mice was measured to determine a dose-response relation...
February 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/27888811/the-role-of-p53-in-cancer-drug-resistance-and-targeted-chemotherapy
#16
REVIEW
Karin Hientz, André Mohr, Dipita Bhakta-Guha, Thomas Efferth
Cancer has long been a grievous disease complicated by innumerable players aggravating its cure. Many clinical studies demonstrated the prognostic relevance of the tumor suppressor protein p53 for many human tumor types. Overexpression of mutated p53 with reduced or abolished function is often connected to resistance to standard medications, including cisplatin, alkylating agents (temozolomide), anthracyclines, (doxorubicin), antimetabolites (gemcitabine), antiestrogenes (tamoxifen) and EGFR-inhibitors (cetuximab)...
January 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/27886555/overcoming-multidrug-resistance-via-simultaneous-delivery-of-cytostatic-drug-and-p-glycoprotein-inhibitor-to-cancer-cells-by-hpma-copolymer-conjugate
#17
Ladislav Sivak, Vladimir Subr, Jakub Tomala, Blanka Rihova, Jiri Strohalm, Tomas Etrych, Marek Kovar
Multidrug resistance (MDR) is a common cause of failure in chemotherapy for malignant diseases. MDR is either acquired as a result of previous repeated exposure to cytostatic drugs (P388/MDR cells) or naturally, as some tumors are congenitally resistant to chemotherapy (CT26 cells). One of the most common mechanisms of MDR is upregulation of P-glycoprotein (P-gp) expression. Here, we used HPMA copolymer conjugates, whereby the cytostatic drug doxorubicin (Dox) or the derivative of the P-gp inhibitor reversin 121 (R121) or both were covalently bound through a degradable pH-sensitive hydrazone bond...
January 2017: Biomaterials
https://www.readbyqxmd.com/read/27871274/chemotherapy-curable-malignancies-and-cancer-stem-cells-a-biological-review-and-hypothesis
#18
Philip Savage
BACKGROUND: Cytotoxic chemotherapy brings routine cures to only a small select group of metastatic malignancies comprising gestational trophoblast tumours, germ cell tumours, acute leukemia, Hodgkin's disease, high grade lymphomas and some of the rare childhood malignancies. We have previously postulated that the extreme sensitivity to chemotherapy for these malignancies is linked to the on-going high levels of apoptotic sensitivity that is naturally linked with the unique genetic events of nuclear fusion, meiosis, VDJ recombination, somatic hypermutation, and gastrulation that have occurred within the cells of origin of these malignancies...
November 21, 2016: BMC Cancer
https://www.readbyqxmd.com/read/27866420/cancer-stem-cell-targeted-therapeutics-and-delivery-strategies
#19
Gulzar Ahmad, Mansoor M Amiji
Cancer initiating or stem cells (CSCs) are a small population of cells in the tumor mass, which have been reported to be present in different types of cancers. CSCs usually reside within the tumor and are responsible for reoccurrence of cancer. The imprecise, inaccessible nature and increased efflux of conventional therapeutic drugs make these cells resistant to drugs. We discuss the specific markers for identification of these cells, role of CSCs in chemotherapy resistance and use of different therapeutic means to target them, including elucidation of specific cell markers, exploitation of different signaling pathways and use of nanotechnology...
December 1, 2016: Expert Opinion on Drug Delivery
https://www.readbyqxmd.com/read/27760837/6%C3%AE-acetoxyanopterine-a-novel-structure-class-of-mitotic-inhibitor-disrupting-microtubule-dynamics-in-prostate-cancer-cells
#20
Claire Levrier, Martin C Sadowski, Anja Rockstroh, Brian Gabrielli, Maria Kavallaris, Melanie Lehman, Rohan A Davis, Colleen C Nelson
The lack of a cure for metastatic castrate-resistant prostate cancer (mCRPC) highlights the urgent need for more efficient drugs to fight this disease. Here, we report the mechanism of action of the natural product 6α-acetoxyanopterine (6-AA) in prostate cancer cells. At low nanomolar doses, this potent cytotoxic alkaloid from the Australian endemic tree Anopterus macleayanus induced a strong accumulation of LNCaP and PC-3 (prostate cancer) cells as well as HeLa (cervical cancer) cells in mitosis, severe mitotic spindle defects, and asymmetric cell divisions, ultimately leading to mitotic catastrophe accompanied by cell death through apoptosis...
January 2017: Molecular Cancer Therapeutics
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