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https://www.readbyqxmd.com/read/28655075/-surgical-treatment-of-colorectal-liver-metastases
#1
J M Xu, D X Zhu, L Ren
Surgical resection of the metastases offers the only opportunity for long-term survival in colorectal liver metastases. However, only 10% to 20% of patients present with resectable disease, and so how to increase surgical patients has been a clinical hotspot. In addition to expanding surgical indications, two-stage hepatectomy and convertible therapy are optional. In convertible therapy, initial treatment regimen decides long-term benefit, and it is important to select appropriate patient population in addition to Ras status when anti-epithelial growth factor receptor monoclonal antibody is used...
July 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28655070/inhibitory-effect-of-carnosol-on-phthalic-anhydride-induced-atopic-dermatitis-via-inhibition-of-stat3
#2
Do Yeon Lee, Chul Ju Hwang, Ji Yeon Choi, Mi Hee Park, Min Ji Song, Ki Wan Oh, Dong Ju Son, Seung Hwa Lee, Sang Bae Han, Jin Tae Hong
Carnosol is a phenolic antioxidant present in rosemary (Rosmarinus officinalis). It is known for anti-inflammatory effects, analgesic activity and anti-cancer effects. However, no study has been dedicated yet to its effect on atopic dermatitis (AD). Here, we show that carnosol effectively inhibited LPS-induced nitric oxide (NO) generation and expression of inflammatory marker proteins (iNOS and COX-2) in RAW 264.7 cells. In addition, carnosol effectively inhibits the phosphorylation of STAT3 and DNA binding activity in RAW 264...
June 27, 2017: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/28654899/tumor-reductive-therapies-and-antitumor-immunity
#3
REVIEW
Huiqin Guo, Kangla Tsung
Tumor reductive therapy is to reduce tumor burden through direct killing of tumor cells. So far, there is no report on the connection between antitumor immunity and tumor reductive therapies. In the last few years, a new category of cancer treatment, immunotherapy, emerged and they are categorized separately from classic cytotoxic treatments (chemo and radiation therapy). The most prominent examples include cellular therapies (LAK and CAR-T) and immune checkpoint inhibitors (anti-PD-1 and CTLA-4). Recent advances in clinical immunotherapy and our understanding of the mechanism behind them revealed that these therapies have a closer relationship with classic cancer treatments than we thought...
June 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28654894/therapeutic-utility-of-natural-estrogen-receptor-beta-agonists-on-ovarian-cancer
#4
Jinyou Liu, Suryavathi Viswanadhapalli, Lauren Garcia, Mei Zhou, Binoj C Nair, Edward Kost, Rajeshwar Rao Tekmal, Rong Li, Manjeet K Rao, Tyler Curiel, Ratna K Vadlamudi, Gangadhara R Sareddy
Ovarian cancer is the deadliest of all gynecologic cancers. Despite success with initial chemotherapy, the majority of patients relapse with an incurable disease. Development of chemotherapy resistance is a major factor for poor long-term survival in ovarian cancer. The biological effects of estrogens are mediated by estrogen receptor alpha (ERα) and estrogen receptor beta (ERβ). Emerging evidence suggests that ovarian cancer cells express ERβ that functions as a tumor suppressor; however, the clinical utility of ERβ agonists in ovarian cancer remains elusive...
June 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28654140/epidermal-growth-factor-receptor-egfr-inhibitors-for-metastatic-colorectal-cancer
#5
REVIEW
David Lok Hang Chan, Eva Segelov, Rachel Sh Wong, Annabel Smith, Rebecca A Herbertson, Bob T Li, Niall Tebbutt, Timothy Price, Nick Pavlakis
BACKGROUND: Epidermal growth factor receptor (EGFR) inhibitors prevent cell growth and have shown benefit in the treatment of metastatic colorectal cancer, whether used as single agents or in combination with chemotherapy. Clear benefit has been shown in trials of EGFR monoclonal antibodies (EGFR MAb) but not EGFR tyrosine kinase inhibitors (EGFR TKI). However, there is ongoing debate as to which patient populations gain maximum benefit from EGFR inhibition and where they should be used in the metastatic colorectal cancer treatment paradigm to maximise efficacy and minimise toxicity...
June 27, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28653985/human-map-tau-based-targeted-cytolytic-fusion-proteins
#6
REVIEW
Olusiji A Akinrinmade, Sandra Jordaan, Dmitrij Hristodorov, Radoslav Mladenov, Neelakshi Mungra, Shivan Chetty, Stefan Barth
Some of the most promising small molecule toxins used to generate antibody drug conjugates (ADCs) include anti-mitotic agents (e.g., auristatin and its derivatives) which are designed to attack cancerous cells at their most vulnerable state during mitosis. We were interested in identifying a human cystostatic protein eventually showing comparable activities and allowing the generation of corresponding targeted fully human cytolytic fusion proteins. Recently, we identified the human microtubule associated protein tau (MAP tau), which binds specifically to tubulin and modulates the stability of microtubules, thereby blocking mitosis and presumably vesicular transport...
June 27, 2017: Biomedicines
https://www.readbyqxmd.com/read/28653892/specific-antibodies-and-sensitive-immunoassays-for-the-human-epidermal-growth-factor-receptors-her2-her3-and-her4
#7
Marianne Nordlund Broughton, Arne Westgaard, Elisabeth Paus, Miriam Øijordsbakken, Karoline J Henanger, Bjørn Naume, Trine Bjøro
The use of trastuzumab in patients with breast cancer that overexpresses human epidermal growth factor receptor 2 has significantly improved treatment outcomes. However, a substantial proportion of this patient group still experiences progression of the disease after receiving the drug. Evaluation of the changes in expression of the human epidermal growth factor receptors could be of interest. Monoclonal antibodies against the extracellular domain of the human growth factor receptors, 2, 3, and 4, have been raised, and specific and sensitive immunoassays have been established...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28653884/photobiomodulation-of-breast-and-cervical-cancer-stem-cells-using-low-intensity-laser-irradiation
#8
N E Kiro, M R Hamblin, H Abrahamse
Breast and cervical cancers are dangerous threats with regard to the health of women. The two malignancies have reached the highest record in terms of cancer-related deaths among women worldwide. Despite the use of novel strategies with the aim to treat and cure advanced stages of cancer, post-therapeutic relapse believed to be caused by cancer stem cells is one of the challenges encountered during tumor therapy. Therefore, further attention should be paid to cancer stem cells when developing novel anti-tumor therapeutic approaches...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28653353/preclinical-evaluation-of-the-bet-bromodomain-inhibitor-bay-1238097-for-the-treatment-of-lymphoma
#9
Elena Bernasconi, Eugenio Gaudio, Pascale Lejeune, Chiara Tarantelli, Luciano Cascione, Ivo Kwee, Filippo Spriano, Andrea Rinaldi, Afua A Mensah, Elaine Chung, Anastasios Stathis, Stephan Siegel, Norbert Schmees, Matthias Ocker, Emanuele Zucca, Bernard Haendler, Francesco Bertoni
The epigenome is often deregulated in cancer and treatment with inhibitors of bromodomain and extra-terminal proteins, the readers of epigenetic acetylation marks, represents a novel therapeutic approach. Here, we have characterized the anti-tumour activity of the novel bromodomain and extra-terminal (BET) inhibitor BAY 1238097 in preclinical lymphoma models. BAY 1238097 showed anti-proliferative activity in a large panel of lymphoma-derived cell lines, with a median 50% inhibitory concentration between 70 and 208 nmol/l...
June 27, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28652280/immune-related-adverse-events-as-a-biomarker-in-non-melanoma-patients-treated-with-programmed-cell-death-1-inhibitors
#10
Julia Judd, Matthew Zibelman, Elizabeth Handorf, John O'Neill, Chethan Ramamurthy, Sasini Bentota, Jamie Doyle, Robert G Uzzo, Jessica Bauman, Hossein Borghaei, Elizabeth R Plimack, Ranee Mehra, Daniel M Geynisman
BACKGROUND: The programmed death 1 (PD-1) checkpoint inhibitors (CKIs) can lead to immune-related adverse events (irAEs). We sought to evaluate whether the development of irAEs correlates with treatment response in non-melanoma malignancies. MATERIALS AND METHODS: We conducted a retrospective study of patients who received anti-PD-1 CKI monotherapy at Fox Chase Cancer Center. Endpoints included overall response rate (ORR), time to next therapy or death (TTNTD), and overall survival (OS)...
June 26, 2017: Oncologist
https://www.readbyqxmd.com/read/28652238/characterization-of-the-activities-of-dinuclear-thiolato-bridged-arene-ruthenium-complexes-against-toxoplasma-gondii
#11
Afonso P Basto, Joachim Müller, Riccardo Rubbiani, David Stibal, Federico Giannini, Georg Süss-Fink, Vreni Balmer, Andrew Hemphill, Gilles Gasser, Julien Furrer
The in vitro effects of 18 dinuclear-thiolato bridged arene ruthenium complexes, (1 mono-, 4 di- and 13-tri-thiolato compounds), originally designed as anti-cancer agents, were studied in the apicomplexan parasite Toxoplasma gondii grown in human foreskin fibroblast host cells (HFF). Some tri-thiolato compounds exhibited anti-parasitic efficacy at 250 nM and below. Among those, complex 1 and complex 2 inhibited T. gondii proliferation with IC50 values of 34 and 62 nM, respectively, and they did not affect HFF at dosages of 200 μM or above, resulting in selectivity indices of > 23' 000...
June 26, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28652099/influence-of-adjuvant-chemotherapy-on-anti-m%C3%A3-llerian-hormone-in-women-below-35-years-treated-for-early-breast-cancer
#12
Anne Perdrix, Mathilde Saint-Ghislain, Marie Degremont, Marion David, Zena Khaznadar, Agnès Loeb, Marianne Leheurteur, Frédéric Di Fiore, Florian Clatot
The impact of chemotherapy on fertility appears to be of essential importance for the youngest cancer survivors. The aim of this study was to assess plasma anti-Mullërian hormone (AMH) evolution, using an automated sensitive AMH immunoassay in women younger than 35 years old before and after treatment with adjuvant chemotherapy for early breast cancer. We selected 54 women aged less than 35 years old, at the time of breast cancer diagnosis, who received chemotherapy between 2008 and 2014, and with plasma samples collected from the diagnosis, to 1 year, 3 years and 5 years post-diagnosis...
June 15, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28651973/1-25-oh-2d3-disrupts-glucose-metabolism-in-prostate-cancer-cells-leading-to-a-truncation-of-the-tca-cycle-and-inhibition-of-txnip-expression
#13
Mohamed A Abu El Maaty, Hamed Alborzinia, Shehryar J Khan, Michael Büttner, Stefan Wölfl
Prostate cell metabolism exhibits distinct profiles pre- and post-malignancy. The malignant metabolic shift converts prostate cells from "citrate-producing" to "citrate-oxidizing" cells, thereby enhancing glucose metabolism, a phenotype that contrasts classical tumoral Warburg metabolism. An on-line biosensor chip system (BIONAS 2500) was used to monitor metabolic changes (glycolysis and respiration) in response to the putative anti-cancer nutraceutical 1,25-dihydroxyvitamin D3 [1,25(OH)2D3], in different prostate cancer (PCa) cell lines (LNCaP, VCaP, DU145 and PC3)...
June 23, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28651817/angiogenesis-and-cancer-stem-cells-new-perspectives-on-therapy-of-ovarian-cancer
#14
REVIEW
Anna Markowska, Stefan Sajdak, Janina Markowska, Adam Huczyński
Failure in ovarian cancer therapy, following cytoreduction and chemotherapy, is related to the presence of cancer stem cells - a small subpopulation of cells resistant to chemotherapy and irradiation - in the tumour which may cause cancer relapse and manifestation of metastases. Therapies targeted at Cancer Stem Cells (CSCs), such as those employing metformin (a drug used in the treatment of diabetes type II) and salinomycin, an antibiotic isolated from Streptococcus albus bacteria, seem promising. Anti-angiogenic therapy with bevacizumab was found to be effective in all phases of ovarian cancer treatment...
June 20, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28651497/angiotensin-ii-type-2-receptor-interacting-protein-3a-inhibits-ovarian-carcinoma-metastasis-via-the-extracellular-hmga2-mediated-erk-emt-pathway
#15
Huang Ping, Liang Guo, Jie Xi, Donghui Wang
Local migration and long-distance metastasis is the main reason for higher mortality of ovarian cancer. Microtubule-associated tumor suppressor 1/angiotensin II type 2 receptor-interacting protein is associated with tumor initiation and progression and exerts anti-tumor effects. High mobility group AT-hook 2 is overexpressed in majority of metastatic carcinomas, which contributes to carcinomas metastasis through Snail-induced epithelial-to-mesenchymal transition signal pathway. The purpose of this study was to investigate the signal pathway of microtubule-associated tumor suppressor 1/angiotensin II type 2 receptor-interacting protein-mediated anti-tumor effects...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28651489/inorganic-polyphosphate-enhances-radio-sensitivity-in-a-human-non-small-cell-lung-cancer-cell-line-h1299
#16
Kaori Tsutsumi, Yusuke Matsuya, Tomoki Sugahara, Manami Tamura, Satoshi Sawada, Sagiri Fukura, Hisashi Nakano, Hiroyuki Date
Inorganic polyphosphate is a linear polymer containing tens to hundreds of orthophosphate residues linked by high-energy phosphoanhydride bonds. Polyphosphate has been recognized as a potent anti-metastasis reagent. However, the molecular mechanism underlying polyphosphate action on cancer cells is poorly understood. In this study, we investigated the involvement of polyphosphate in radio-sensitivity using a human non-small cell lung cancer cell line, H1299. We found that polyphosphate treatment decreases cellular adenosine triphosphate levels, suggesting a disruption of energy metabolism...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28651306/heme-oxygenase-1-induction-and-anti-inflammatory-actions-of-atractylodes-macrocephala-and-taraxacum-herba-extracts-prevented-colitis-and-was-more-effective-than-sulfasalazine-in-preventing-relapse
#17
Kyu-Hyun Han, Jong-Min Park, Migyeong Jeong, Young-Min Han, Eun-Jin Go, Juyeon Park, Hocheol Kim, Jae Gab Han, Oran Kwon, Ki Baik Hahm
Background/Aims: In inflammatory bowel disease (IBD), repeated bouts of remission and relapse occur in patients and can impose a risk of colitis-associated cancer. We hypothesized that plant extracts of Atractylodes macrocephala (AM) or Taraxacum herba (TH) may be better than sulfasalazine for treating this disease because these extracts can promote additional regeneration. Methods: Murine intestinal epithelial IEC-6 cells were pretreated with AM or TH before a lipopolysaccharide (LPS)-induced challenge...
June 27, 2017: Gut and Liver
https://www.readbyqxmd.com/read/28651231/evaluation-of-in-vitro-anticancer-activity-of-1-8-cineole-containing-n-hexane-extract-of-callistemon-citrinus-curtis-skeels-plant-and-its-apoptotic-potential
#18
Sowndarya Sampath, Vidhya Veeramani, Gopal Shankar Krishnakumar, Udhayakumar Sivalingam, Suguna Lakshmi Madurai, Rose Chellan
Plants are the source of a variety of secondary metabolites, which are often used in the anticancer activity. Discovering new anticancer drug from herbal source is more important in both biological and pharmacological activities. Hence, the objective of this study is to identify the anticancer agent in Callistemon citrinus (Curtis) Skeels (CC) for the treatment of cancer. Very recently we have reported an increased antioxidant activity in the ethanolic and methanolic extracts (EE and ME) of CC but significantly reduced activity (rather increased cytotoxicity), in the n-hexane extract (HE)...
June 23, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28650862/the-potential-combinational-effect-of-mir-34a-with-celecoxib-in-osteosarcoma
#19
Xia Chen, Dan Peng, Yi Shen, Bo Liu, Hongkang Zhou, Huai Tao, Jufang Huang
Advanced osteosarcoma (OS) is usually treated by preoperative and postoperative chemotherapy, but there are a very limited number of active agents. Celecoxib (Cel) is a COX-2-selective nonsteroidal anti-inflammatory drug and its antitumoral effect has been shown widely in a variety of cancers including OS cells in vitro. However, the potential combinational effect of Cel with other biological therapy has not been reported in OS cells. In this study, the effects of Cel, miR-34a mimics, and their combination on cell proliferation (MTT assay), migration (in-vitro scratch assay), invasion (transwell assay), mRNA (real-time PCR), and protein (Western blot) expression of associated signal transductions were investigated in cultured MG63 cells...
June 23, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28650658/a-potent-selective-and-cell-active-protein-arginine-methyltransferase-5-prmt5-inhibitor-developed-by-structure-based-virtual-screening-and-hit-optimization
#20
Ruifeng Mao, Jingwei Shao, Kongkai Zhu, Yuanyuan Zhang, Hong Ding, Chenhua Zhang, Zhe Shi, Hualiang Jiang, De-Qun Sun, Wenhu Duan, Cheng Luo
PRMT5 plays important roles in diverse cellular processes and is upregulated in several human malignancies. Besides, PRMT5 has been validated as anti-cancer target in mantle cell lymphoma. In this study, we found a potent and selective PRMT5 inhibitor by performing structure-based virtual screening and hit optimization. The identified compound 17 (IC50 = 0.33 μM) exhibited a broad selectivity against a panel of other methyltransferases. The direct binding of 17 to PRMT5 was validated by surface plasmon resonance experiments, with a Kd of 0...
June 26, 2017: Journal of Medicinal Chemistry
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