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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
#1
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...
December 3, 2016: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/27888811/the-role-of-p53-in-cancer-drug-resistance-and-targeted-chemotherapy
#2
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)...
November 19, 2016: 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
#3
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...
November 12, 2016: Biomaterials
https://www.readbyqxmd.com/read/27871274/chemotherapy-curable-malignancies-and-cancer-stem-cells-a-biological-review-and-hypothesis
#4
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
#5
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
#6
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...
October 19, 2016: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/27704399/consensus-on-the-management-of-advanced-radioactive-iodine-refractory-differentiated-thyroid-cancer-on-behalf-of-the-spanish-society-of-endocrinology-thyroid-cancer-working-group-gtseen-and-spanish-rare-cancer-working-group-gethi
#7
J Capdevila, J C Galofré, E Grande, C Zafón Llopis, T Ramón Y Cajal Asensio, E Navarro González, P Jiménez-Fonseca, J Santamaría Sandi, J M Gómez Sáez, G Riesco Eizaguirre
Thyroid cancer is the single most prevalent endocrine malignancy; differentiated thyroid cancer (DTC) accounts for more than 90 % of all malignancies and its incidence has been rising steadily. For more patients, surgical treatment, radioactive iodine (RAI) ablation, and thyroid-stimulating hormone (TSH) suppressive therapy achieve an overall survival (OS) rate of 97.7 % at 5 years. Nevertheless, locoregional recurrence occurs in up to 20 % and distant metastases in approximately 10 % at 10 years. Two-thirds of these patients will never be cured with radioactive iodine therapy and will become RAI-refractory, with a 3-year OS rate of less than 50 %...
October 4, 2016: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/27681646/indian-folklore-medicine-in-managing-men-s-health-and-wellness
#8
REVIEW
N K Lohiya, K Balasubramanian, A S Ansari
India is a home for a large variety of plants with remarkable medicinal and pharmacological value. Traditional medicine in the form of Ayurveda, Siddha and Unani has used many of these plants since ancient days for treating and curing various ailments of the body. When it comes to issues related to reproductive health, people still hesitate to discuss and/or accept it openly and hence look for alternate and natural remedies. The various tribal populations distributed across different parts of the country still use these plant extracts in various formulations for maintenance of good health...
October 2016: Andrologia
https://www.readbyqxmd.com/read/27640220/rethinking-n2-disease-in-the-era-of-uniportal-vats
#9
Tom Treasure, Paul De Leyn
Third Mediterranean Symposium on Thoracic Surgical Oncology, Catania, Italy, 21-22 April 2016 The primary justification for mediastinal lymphadenectomy is that it provides more complete nodal staging to help select best adjuvant treatments. There is a secondary argument that dissection of nodes might remove otherwise unrecognized nodal disease to increase the chance of cure. They have to be thought through again as patients look for less invasive treatments for their cancers such as videothoracoscopy and stereotactic radiotherapy...
September 19, 2016: Future Oncology
https://www.readbyqxmd.com/read/27638356/requirements-for-global-elimination-of-hepatitis-b-a-modelling-study
#10
Shevanthi Nayagam, Mark Thursz, Elisa Sicuri, Lesong Conteh, Stefan Wiktor, Daniel Low-Beer, Timothy B Hallett
BACKGROUND: Despite the existence of effective prevention and treatment interventions, hepatitis B virus (HBV) infection continues to cause nearly 1 million deaths each year. WHO aspires to global control and elimination of HBV infection. We aimed to evaluate the potential impact of public health interventions against HBV, propose targets for reducing incidence and mortality, and identify the key developments required to achieve them. METHODS: We developed a simulation model of the global HBV epidemic, incorporating data on the natural history of HBV, prevalence, mortality, vaccine coverage, treatment dynamics, and demographics...
September 13, 2016: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/27587198/genotype-or-phenotype-targeting-anticancer-therapies-lessons-from-tumor-evolutionary-biology
#11
Alexandre E Escargueil, Soizic Prado, Ambre Dezaire, Jean Clairambault, Annette K Larsen, Daniele G Soares
Despite the efficacy of most cancer therapies, drug resistance remains a major problem in the clinic. The eradication of the entire tumor and the cure of the patient by chemotherapy alone are rare, in particular for advanced disease. From an evolutionary perspective, the selective pressure exerted by chemotherapy leads to the emergence of resistant clones where resistance can be associated with many different functional mechanisms at the single cell level or can involve changes in the tumor micro-environment...
August 31, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27557387/oropharyngeal-cancer-an-emergent-disease
#12
Martín Granados-García
Oropharyngeal cancer incidence has recently increased, thereby attracting public attention. Akin to other malignancies of the upper aerodigestive tract, it has been attributed to the carcinogenic effects of tobacco and alcohol use. However, recent evidence shows that a substantial increase in the disease is attributable to the effects of human papillomavirus (HPV). Marked progress has been made in relation to the knowledge of molecular and genetic mechanisms involved in the genesis and progression of these cancers...
April 2016: Salud Pública de México
https://www.readbyqxmd.com/read/27538691/inflammation-a-multidimensional-insight-with-advanced-focus-on-natural-anti-inflammatory-therapeutic-compounds
#13
Khalid Bashir Dar, Aashiq Hussain Bhat, Shajrul Amin, Akbar Masood, Mohammad Afzal Zargar, Showkat Ahmad Ganie
Derailed inflammation causes severe damage to the normal tissues resulting in various pathological conditions such as auto-inflammatory disorders, neurodegenerative diseases and cancer. Cure of inflammatory diseases is a big challenge. Medicinal herbs used traditionally represent the best option for obtaining effective anti-inflammatory therapeutics. Present review provides a thorough insight about various pathways, consequences and therapeutic strategies of inflammation with prime focus to expose indigenous anti-inflammatory herbal compounds along with their structures and diverse range of mechanisms of action...
August 17, 2016: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/27516198/a-comprehensive-review-of-n-heterocycles-as-cytotoxic-agents
#14
Dinesh Kumar, Subheet Kumar Jain
Scientific community is striving to understand the role of heterocycles and fused heterocycles in drug discovery programme due to its impact on multi-drug resistance (MDR) of anticancer drugs. Architecting of various scaffolds for cancer treatment has become gradually increased in many years. Till now there is no treatment which is so proficient that it can cure the cancer from the roots. Hence, it is very necessary to design novel anticancer agents with minimum side effects. Synthesis of hybrids from natural leads is one of the rationale approach in medicinal chemistry...
August 8, 2016: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/27478545/therapeutic-effects-of-dihydroartemisinin-and-transferrin-against-glioblastoma
#15
Suk Hee Kim, Seong Hee Kang, Bo Sun Kang
BACKGROUND/OBJECTIVES: Artemisinin, a natural product isolated from Gaeddongssuk (artemisia annua L.) and its main active derivative, dihydroartemisinin (DHA), have long been used as antimalarial drugs. Recent studies reported that artemisinin is efficacious for curing diseases, including cancers, and for improving the immune system. Many researchers have shown the therapeutic effects of artemisinin on tumors such as breast cancer, liver cancer and kidney cancer, but there is still insufficient data regarding glioblastoma (GBM)...
August 2016: Nutrition Research and Practice
https://www.readbyqxmd.com/read/27456203/tolerance-loss-of-tolerance-and-regaining-tolerance-to-self-by-immune-mediated-events
#16
Arpad Zsigmond Barabas, Chad Douglas Cole, Richard Milton Graeff, Rene Lafreniere, Donald Mackay Weir
Autoimmunity has both beneficial and harmful aspects. Beneficial aspects include: (1) removal of released intracytoplasmic antigens (ags) (cells at the end of their life span or damaged by outside agents) by specific nonpathogenic IgM autoantibodies and mononuclear cells and (2) recognition and elimination of cancerous cells. In contrast, harmful aspects include: (1) mounting a pathogenic autoimmune response against a tissue-derived ag, a 'modified self,' resulting in autoimmune disease and (2) inability to recognize and eliminate a cancerous clone...
July 25, 2016: Immunologic Research
https://www.readbyqxmd.com/read/27370358/fertility-preservation-in-female-oncology-patients-the-influence-of-the-type-of-cancer-on-ovarian-stimulation-response
#17
R M Alvarez, P Ramanathan
STUDY QUESTION: Does the type of cancer influence on the ovarian response to stimulation for fertility preservation (FP) in female oncology patients? SUMMARY ANSWER: Patients with gynaecological cancer have less number of retrieved mature oocytes compared with haematological and breast cancer patients. WHAT IS KNOWN ALREADY: Concerns about the impact of cancer therapy on future fertility have been raised and FP has become an important component in cancer management...
July 1, 2016: Human Reproduction
https://www.readbyqxmd.com/read/27353095/-advances-of-minimally-invasive-technique-in-colorectal-cancer-surgery
#18
Xishan Wang
Colorectal surgery is rapidly developing in the direction of minimally invasive surgery and functional surgery. New technology and ideas are constantly emerging recently. Laparoscopic colon surgery has already been recommended by NCCN guideline. However, laparoscopic rectal cancer surgery still needs to wait for survival and recurrence rates of long-term follow-up data for verification. In recent years, with the rapid progression of imaging equipment of laparoscope, the new 3D laparoscopic system will process image more quickly, and surgeons can get space depth feeling like open surgery only with a pair of glasses...
June 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/27351920/estimating-the-prevalence-of-hematological-malignancies-and-precursor-conditions-using-data-from-haematological-malignancy-research-network-hmrn
#19
Jinlei Li, Alex Smith, Simon Crouch, Steven Oliver, Eve Roman
OBJECTIVE: Well-established cancer registries that routinely link to death registrations can estimate prevalence directly by counting patients alive at a particular point in time (observed prevalence). Such direct methods can only provide prevalence for the years over which the registry has been operational. Time-defined estimates, including 5- and 10-year prevalence, may however underestimate the total cancer burden, and compared with other cancers, there is a lack of accurate information on the total prevalence of hematological malignancy subtypes...
August 2016: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/27347669/cytoreductive-surgery-and-hyperthermic-intraperitoneal-chemotherapy-in-the-management-of-gastrointestinal-cancers-with-peritoneal-metastases-progress-toward-a-new-standard-of-care
#20
REVIEW
Paul H Sugarbaker
Peritoneal metastases from gastrointestinal cancer was, in the past, accepted as an inevitable component of the natural history of these diseases. It is a major cause of intestinal obstruction, fistula formation, and bowel perforation as the recurrent malignancy progresses to a terminal condition. Peritoneal metastases may be caused by full thickness penetration of the bowel wall by the primary cancer or by spilled cancer cells released into the peritoneal space by surgical trauma. Two new surgical technologies that have evolved to manage peritoneal metastases are cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC)...
July 2016: Cancer Treatment Reviews
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