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https://www.readbyqxmd.com/read/28528300/treating-metastatic-triple-negative-breast-cancer-with-cd44-neuropilin-dual-molecular-targets-of-multifunctional-nanoparticles
#1
De-Sheng Liang, Wen-Jie Zhang, Ai-Ting Wang, Hai-Tao Su, Hai-Jun Zhong, Xian-Rong Qi
Metastasis of cancer makes up the vast majority of cancer-related deaths, and it usually initiates from tumor cells invasiveness and develops through tumor neovasculature. In this work, we have fabricated a CD44/neuropilin dual receptor-targeting nanoparticulate system (tLyP-1-HT NPs) with endogenous or FDA approved components for treating metastatic triple negative breast cancer (TNBC). The enhanced specific targeting of tLyP-1-HT NPs to both metastatic tumor cells and metastasis-supporting tumor neovasculature was contributed by means of CD44/neuropilin dual receptor-mediated interaction...
May 13, 2017: Biomaterials
https://www.readbyqxmd.com/read/28524703/computer-aided-prediction-and-cytotoxicity-evaluation-of-dithiocarbamates-of-9-10-anthracenedione-as-new-anticancer-agents
#2
M Stasevych, V Zvarych, V Lunin, N G Deniz, Z Gokmen, O Akgun, E Ulukaya, V Poroikov, T Gloriozova, V Novikov
Anticancer activity as an associated action for a series of dithiocarbamates of 9,10-anthracenedione was predicted using the PASS computer program and analysed with PharmaExpert software. The predicted cytotoxic activity of the dithiocarbamate derivatives of 9,10-anthracenedione was evaluated in vitro on cancer cells of the human lung (A549), prostate (PC3), colon (HT29) and human breast (MCF7) using the sulforhodamine B (SRB) cell viability assay. Among these compounds, 9,10-dioxo-9,10-dihydroanthracen-1-yl pyrrolidin-1-carbodithioate and 9,10-dioxo-9,10-dihydroanthracen-2-yl pyrrolidin-1-carbodithioate were identified as the most potent anticancer agents with cytotoxic activity against the MCF-7 human breast cell line with GI50 values of 1...
May 19, 2017: SAR and QSAR in Environmental Research
https://www.readbyqxmd.com/read/28522584/cooperative-targets-of-combined-mtor-hdac-inhibition-promote-myc-degradation
#3
John K Simmons, Aleksandra M Michalowski, Benjamin J Gamache, Wendy DuBois, Jyoti Patel, Ke Zhang, Joy Gary, Shuling Zhang, Snehal Gaikwad, Daniel Connors, Nicholas Watson, Elena Leon, Jin-Qiu Chen, W Michael Kuehl, Maxwell P Lee, Adriana Zingone, Ola Landgren, Peter Ordentlich, Jing Huang, Beverly A Mock
Cancer treatments often require combinations of molecularly targeted agents to be effective. mTORi (rapamycin) and HDACi (MS-275/entinostat) inhibitors have been shown to be effective in limiting tumor growth, and here we define part of the cooperative action of this drug combination. More than 60 human cancer cell lines responded synergistically (CI<1) when treated with this drug combination compared to single agents.  In addition, a breast cancer patient-derived xenograft, and a BCL-XL plasmacytoma mouse model both showed enhanced responses to the combination compared to single agents...
May 18, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28521431/microrna-320a-is-downregulated-in-non-small-cell-lung-cancer-and-suppresses-tumor-cell-growth-and-invasion-by-directly-targeting-insulin-like-growth-factor-1-receptor
#4
Jianguo Wang, Chunyun Shi, Jianfei Wang, Li Cao, Li Zhong, Dongmei Wang
Accumulating evidence has demonstrated that microRNAs (miRs/miRNAs) are implicated in carcinogenesis and cancer progression, and can function as oncogenes or tumor suppressor genes in human cancer types. Previous profile studies of miRNA expression levels have revealed that miR-320a was downregulated in breast cancer, colon cancer, bladder cancer, glioblastoma and salivary adenoid cystic carcinoma. However, its expression level, potential functions and the mechanisms underlying its functions in non-small cell lung cancer (NSCLC) require further investigation...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28521398/effect-of-satb1-silencing-on-the-proliferation-invasion-and-apoptosis-of-te-1-esophageal-cancer-cells
#5
Bo Huang, Fei Xiong, Siwang Wang, Xianping Lang, Xiaodong Wang, Hongli Zhou
The aim of the present study was to investigate the effect of special AT-rich sequence-binding protein-1 (SATB1)-targeted small interfering RNA (siRNA) on the proliferation, invasion and apoptosis of TE-1 human esophageal cancer cells. SATB1 has been correlated with the metastasis and poor prognosis of colon and breast cancer, but the role of SATB1 in esophageal cancer remains unknown. Therefore, the present study constructed and transfected SATB1-siRNA into TE-1 cells in order to knockdown the expression of the SATB1 gene...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28521318/breastfeeding-childhood-asthma-and-allergic-disease
#6
Wendy H Oddy
The worldwide prevalence of childhood asthma has been increasing considerably, and the protection afforded by breastfeeding in its development has been the subject of controversy for more than 80 years. Previous systematic reviews have generally found a protective effect of breastfeeding on allergic outcomes, although many studies have methodological limitations. Although breastfeeding is protective against lower respiratory tract infection during infancy, such protection has not been demonstrated for asthma in all studies...
2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28521303/emt-circulating-tumor-cells-detected-by-cell-surface-vimentin-are-associated-with-prostate-cancer-progression
#7
Arun Satelli, Izhar Batth, Zachary Brownlee, Abhishek Mitra, Shouhao Zhou, Hyangsoon Noh, Christina R Rojas, Heming Li, Qing H Meng, Shulin Li
Recent advances in the field of circulating tumor cells (CTC) have shown promise in this liquid biopsy-based prognosis of patient outcome. However, not all of the circulating cells are tumor cells, as evidenced by a lack of tumor-specific markers. The current FDA standard for capturing CTCs (CellSearch) relies on an epithelial marker and cells captured via CellSearch cannot be considered to have undergone EMT. Therefore, it is difficult to ascertain the presence and relevance of any mesenchymal or EMT-like CTCs...
May 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28508129/development-and-characterization-of-magnetite-poly-butylcyanoacrylate-nanoparticles-for-magnetic-targeted-delivery-of-cancer-drugs
#8
Margarita López-Viota, Mazen M El-Hammadi, Laura Cabeza, José Prados, Consolación Melguizo, M Adolfina Ruiz Martinez, José L Arias, Ángel V Delgado
A great attention is presently paid to the design of drug delivery vehicles based on surface-modified magnetic nanoparticles. They can, in principle, be directed to a desired target area for releasing their drug payload, a process triggered by pH, temperature, radiation, or even magnetic field. To this, the possibility of forming part of diagnostic tools by enhanced magnetic resonance imaging or that of further treatment by magnetic hyperthermia can be added. Bare particles are rapidly eliminated from the bloodstream by the phagocyte mononuclear system, leading to short biological half-life...
May 15, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28507641/a-case-report-of-muir-torre-syndrome-in-a-woman-with-breast-cancer-and-msi-low-skin-squamous-cell-carcinoma
#9
Caroline Kientz, Marie-Odile Joly, Laurence Faivre, Alix Clemenson, Sophie Dalac, Côme Lepage, Caroline Chapusot, Caroline Jacquot, Renaud Schiappa, Marine Lebrun
BACKGROUND: The tumor spectrum in the Lynch syndrome is well defined, comprising an increased risk of developing colonic and extracolonic malignancies. Muir-Torre syndrome is a variant with a higher risk of skin disease. Patients have been described carrying mutations in the mismatch repair genes and presenting tumors with unusual histology or affected organ not part of the Lynch syndrome spectrum. Hence, the real link between Lynch syndrome, or Muir-Torre syndrome, and these tumors remains difficult to assess...
2017: Hereditary Cancer in Clinical Practice
https://www.readbyqxmd.com/read/28506752/thio-functionalized-carbohydrate-thiosemicarbazones-and-evaluation-of-their-anticancer-activity
#10
Anna Czubatka-Bieńkowska, Joanna Sarnik, Anna Macieja, Grzegorz Galita, Zbigniew J Witczak, Tomasz Poplawski
Thiosemicarbazides and their analogs have shown potential medical applications as antiviral, antibacterial and anticancer drugs. We designed, synthesized and evaluated in vitro anticancer activity against ovarian (A2780), cervix (HeLa), colon (LoVo), breast (MCF-7) and brain (MO59J) human cancer cell lines of seven novel compounds -S-glycosylated thiosemicarbazones. We assessed the cyto- and genotoxic properties of all novel compounds using a variety of methods including comet assay, XTT assay, various fluorescent assays and toxicology PathwayFinder expression array...
April 21, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28504904/application-of-panel-based-tests-for-inherited-risk-of-cancer
#11
Payal D Shah, Katherine L Nathanson
Next-generation or massively parallel sequencing has transformed the landscape of genetic testing for cancer susceptibility. Panel-based genetic tests evaluate multiple genes simultaneously and rapidly. Because these tests are frequently offered in clinical settings, understanding their clinical validity and utility is critical. When evaluating the inherited risk of breast and ovarian cancers, panel-based tests provide incremental benefit compared with BRCA1/2 genetic testing. For inherited risk of other cancers, such as colon cancer and pheochromocytoma-paraganglioma, the clinical utility and yield of panel-based testing are higher; in fact, simultaneous evaluation of multiple genes has been the historical standard for these diseases...
May 15, 2017: Annual Review of Genomics and Human Genetics
https://www.readbyqxmd.com/read/28503720/contribution-of-germline-mutations-in-cancer-predisposition-genes-to-tumor-etiology-in-young-women-diagnosed-with-invasive-breast-cancer
#12
Seth K Rummel, Leann Lovejoy, Craig D Shriver, Rachel E Ellsworth
PURPOSE: Although breast cancer in young women accounts for <10% of diagnoses annually, tumors in young patients exhibit more aggressive characteristics and higher mortality rates. Determination of the frequency of germline mutations in cancer predisposition genes is needed to improve the understanding of breast cancer etiology in young women. METHODS: All female patients enrolled in the Clinical Breast Cancer Project between 2001 and 2015 and diagnosed with invasive breast cancer before age 40 were included in this study...
May 13, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28502786/randomized-evaluation-of-cognitive-behavioral-therapy-and-graded-exercise-therapy-for-post-cancer-fatigue
#13
Carolina X Sandler, David Goldstein, Sarah Horsfield, Barbara K Bennett, Michael Friedlander, Patricia A Bastick, Craig R Lewis, Eva Segelov, Frances M Boyle, Melvin T M Chin, Kate Webber, Benjamin K Barry, Andrew R Lloyd
OBJECTIVE: To evaluate the outcomes of a randomized controlled trial, which assigned patients with post-cancer fatigue (PCF) to education, or 12-weeks of integrated cognitive-behavioral therapy (CBT) and graded exercise therapy (GET). METHODS: Three months post treatment for breast or colon cancer, eligible patients had: clinically-significant fatigue; no co-morbid medical or psychiatric conditions which explained the fatigue; and no evidence of recurrence. The CBT/GET arm included individually tailored consultations at approximately two weekly intervals...
May 11, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28502713/an-autopsy-case-of-fatal-acute-peritonitis-complicated-by-illegal-acupuncture-therapy
#14
DongJa Kim, SangHan Lee
Acupuncture is an alternative medical therapy and widely practiced in Northeast Asia. Although it is known as a safe procedure, complications including infection, pneumothorax, hemorrhage, and cardiac tamponade have been reported. The authors present a rare case of fatal acute peritonitis due to penetration of acupuncture needles directly into the abdominal and pelvic cavity. The victim was a 55-year-old woman who had a recent history of chemo-radiotherapy due to breast cancer. She was collapsed three days after receiving acupuncture...
May 1, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28500966/synthesis-of-novel-benzylidene-analogues-of-betulinic-acid-as-potent-cytotoxic-agents
#15
Nidhi Gupta, Santosh K Rath, Jasvinder Singh, Arem Qayum, Shashank Singh, Payare L Sangwan
Different benzylidene derivatives (15a-o and 16a-o) of betulinic acid were designed and synthesized in an effort to develop potent anticancer agents. All the synthesized derivatives along with betulinic acid were evaluated for cytotoxicity against a panel of five different human cancer cell lines A-549 (Lung), PC-3 (Prostate), HCT 116 (Colon), MCF-7 (Breast) and MIA PaCa-2 (Pancreatic) using SRB assay. Pharmacological results showed that compounds 15b, 15c, 15i, 15k, 16a-c and 16l were found to have promising cytotoxic profile against various cancer cell lines tested (IC50 1-2 μM)...
April 25, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28500633/the-novel-role-of-pyrvinium-in-cancer-therapy
#16
REVIEW
Amir Abbas Momtazi-Borojeni, Elham Abdollahi, Faezeh Ghasemi, Michele Caraglia, Amirhossein Sahebkar
Pyrvinium pamoate (PP) is a quinoline-derived cyanine dye which was officially approved by FDA for its anthelmintic properties and therapeutic function against animal-like protists such as Cryp-tosporidium parvum and Plasmodium falciparum in the 1950 s. In the last 10 years, several studies have shown the novel activity of pyrvinium in tumor therapy. Some investigations have indicated that pyrvinium could delay or inhibit tumor cell proliferation in cancer models including colon, breast, lung and prostate cancer and some hematological malignancies...
May 13, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28500351/non-targeted-effects-models-predict-significantly-higher-mars-mission-cancer-risk-than-targeted-effects-models
#17
Francis A Cucinotta, Eliedonna Cacao
Cancer risk is an important concern for galactic cosmic ray (GCR) exposures, which consist of a wide-energy range of protons, heavy ions and secondary radiation produced in shielding and tissues. Relative biological effectiveness (RBE) factors for surrogate cancer endpoints in cell culture models and tumor induction in mice vary considerable, including significant variations for different tissues and mouse strains. Many studies suggest non-targeted effects (NTE) occur for low doses of high linear energy transfer (LET) radiation, leading to deviation from the linear dose response model used in radiation protection...
May 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28499941/mtus1-a-gene-encoding-angiotensin-ii-type-2-at2-receptor-interacting-proteins-in-health-and-disease-with-special-emphasis-on-its-role-in-carcinogenesis
#18
REVIEW
Ibrahim Bozgeyik, Onder Yumrutas, Esra Bozgeyik
Loss of tumor suppressor activity is a frequent event in the formation and progression of tumors and has been listed as an important hallmark of cancers. Microtubule-Associated Scaffold Protein 1 (MTUS1) is a candidate tumor suppressor gene which is reported to be frequently down-regulated in a variety of human cancers including pancreas, colon, bladder, head-and-neck, ovarian, breast cancers, gastric, lung cancers. It is also reported to be implicated in several types of pathologies such as cardiac hypertrophy, atherosclerosis, and SLE-like lymphoproliferative diseases...
May 9, 2017: Gene
https://www.readbyqxmd.com/read/28499923/the-atypical-kinase-riok1-promotes-tumor-growth-and-invasive-behavior
#19
Florian Weinberg, Nadine Reischmann, Lisa Fauth, Sanaz Taromi, Justin Mastroianni, Martin Köhler, Sebastian Halbach, Andrea C Becker, Niantao Deng, Tatjana Schmitz, Franziska Maria Uhl, Nicola Herbener, Bianca Riedel, Fabian Beier, Alexander Swarbrick, Silke Lassmann, Jörn Dengjel, Robert Zeiser, Tilman Brummer
Despite being overexpressed in different tumor entities, RIO kinases are hardly characterized in mammalian cells. We investigated the role of these atypical kinases in different cancer cells. Using isogenic colon-, breast- and lung cancer cell lines, we demonstrate that knockdown of RIOK1, but not of RIOK2 or RIOK3, strongly impairs proliferation and invasiveness in conventional and 3D culture systems. Interestingly, these effects were mainly observed in RAS mutant cancer cells. In contrast, growth of RAS wildtype Caco-2 and Bcr-Abl-driven K562 cells is not affected by RIOK1 knockdown, suggesting a specific requirement for RIOK1 in the context of oncogenic RAS signaling...
April 12, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28499189/synthesis-biological-evaluation-and-molecular-modeling-study-of-new-1-2-4-triazole-or-1-3-4-thiadiazole-methylthio-derivatives-of-quinazolin-4-3h-one-as-dhfr-inhibitors
#20
Yomna I El-Gazzar, Hanan H Georgey, Shahenda M El-Messery, Heba A Ewida, Ghada S Hassan, Marwa M Raafat, Menna A Ewida, Hussein I El-Subbagh
A new series of 2-mercapto-quinazolin-4-one analogues was designed, synthesized and evaluated for their in vitro DHFR inhibition, antitumor and antimicrobial activity. Compound 17 proved to be the most active DHFR inhibitor with IC50 value of 0.01μM, eight fold more active than methotrexate (MTX). Compounds 16 and 24 showed antitumor activity against human Caco2 colon and MCF-7 breast tumor cell lines with IC50 values of 25.4 and 9.5μg/ml, respectively. Compounds 15, 20, 21 and 30 showed considerable activity against the Gram-positive bacteria Staphylococcus aureus while 24 and 30 proved active against Bacillus subtilis with a magnitude of potency comparable to the broad spectrum antibiotic Ciprofloxacin...
May 4, 2017: Bioorganic Chemistry
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