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https://www.readbyqxmd.com/read/29145561/clinical-significance-of-cd73-in-triple-negative-breast-cancer-multiplex-analysis-of-a-phase-iii-clinical-trial
#1
L Buisseret, S Pommey, B Allard, S Garaud, M Bergeron, I Cousineau, L Ameye, Y Bareche, M Paesmans, J P A Crown, A Di Leo, S Loi, M Piccart-Gebhart, K Willard-Gallo, C Sotiriou, J Stagg
Background: CD73 is an ecto-enzyme that promotes tumor immune escape through the production of immunosuppressive extracellular adenosine in the tumor microenvironment. Several CD73 inhibitors and adenosine receptor antagonists are being evaluated in phase I clinical trials. Patients and methods: Full-face sections from formalin-fixed paraffin-embedded primary breast tumors from 122 samples of triple-negative breast cancer from the BIG 02-98 adjuvant phase III clinical trial were included in our analysis...
November 14, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29145543/association-of-ipilimumab-with-safety-and-antitumor-activity-in-women-with-metastatic-or-recurrent-human-papillomavirus-related-cervical-carcinoma
#2
Stephanie Lheureux, Marcus O Butler, Blaise Clarke, Mihaela C Cristea, Lainie P Martin, Katia Tonkin, Gini F Fleming, Anna V Tinker, Hal W Hirte, Daliah Tsoref, Helen Mackay, Neesha C Dhani, Prafull Ghatage, Johanne Weberpals, Stephen Welch, Nhu-An Pham, Vinicius Motta, Valentin Sotov, Lisa Wang, Katherine Karakasis, Smitha Udagani, Suzanne Kamel-Reid, Howard Z Streicher, Patricia Shaw, Amit M Oza
Importance: Based on evidence of human papillomavirus (HPV)-induced immune evasion, immunotherapy may be an attractive strategy in cervical cancer. Ipilimumab is a fully humanized monoclonal antibody that blocks cytotoxic T-lymphocyte antigen-4 (CTLA-4), which acts to downregulate the T-cell immune response. Objective: To assess the safety and antitumor activity of ipilimumab in recurrent cervical cancer. Design, Setting, and Participants: A multicenter trial was designed for patients with metastatic cervical cancer (squamous cell carcinoma or adenocarcinoma) with measurable disease and progression after at least 1 line of platinum chemotherapy...
November 16, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/29145246/case-report-pentoxifylline-treatment-in-microscopic-colitis
#3
Thomas G Cotter, Amrit K Kamboj, Stephen Bradley Hicks, William J Tremaine, Edward V Loftus, Darrell S Pardi
RATIONALE: Microscopic colitis is a common cause of diarrhea. Pentoxifylline, a xanthine derivative with anti-tumor necrosis factor-alpha properties, is prescribed for intermittent claudication and other disorders. Our goal was to evaluate the outcomes of patients with microscopic colitis treated with pentoxifylline. PATIENT CONCERNS: Nine patients with microscopic colitis (8 collagenous colitis and 1 lymphocytic colitis) seen at Mayo Clinic, Rochester, between January 1, 1997 and November 30, 2016, were included...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145193/huaier-extract-inhibits-breast-cancer-progression-through-a-lncrna-h19-mir-675-5p-pathway
#4
Jijun Wang, Xiaolong Wang, Tong Chen, Liyu Jiang, Qifeng Yang
BACKGROUND/AIMS: Increasing evidence indicates that Huaier extract has promising therapeutic effects against cancer. However, the mechanisms that underlie its anti-tumor effects remain unclear. In recent years, various studies have shown that long noncoding RNAs (lncRNAs) play a critical role in the regulation of cancer development and progression. Here, we explored the role of lncRNAs in Huaier-induced tumor suppression. METHODS: Microarray profiling was performed to identify the candidate lncRNAs affected by Huaier extract...
November 17, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29144754/immunogenic-cell-death-amplified-by-co-localized-adjuvant-delivery-for-cancer-immunotherapy
#5
Yuchen Fan, Rui Kuai, Yao Xu, Lukasz J Ochyl, Darrell J Irvine, James Moon
Despite their potential, conventional whole-cell cancer vaccines prepared by freeze-thawing or irradiation have shown limited therapeutic efficacy in clinical trials. Recent studies have shown that cancer cells treated with certain chemotherapeutics, such as mitoxantrone, can undergo immunogenic cell death (ICD) and initiate anti-tumor immune responses. However, it remains unclear how ICD can be exploited for cancer immunotherapy. Here, we present a new biomaterial-based strategy for converting immunogenically dying tumor cells into a powerful platform for cancer vaccination and demonstrate their immunogenicity in murine models of melanoma and colon carcinoma...
November 16, 2017: Nano Letters
https://www.readbyqxmd.com/read/29144597/melanogenesis-inhibitory-and-cytotoxic-activities-of-chemical-constituents-from-the-leaves-of-sauropus-androgynus-l-merr-euphorbiaceae
#6
Jie Zhang, Wan-Fang Zhu, Wei-Yuan Zhu, Pan Pan Yang, Jian Xu, Jiradej Manosroi, Takashi Kikuchi, Masahiko Abe, Toshihiro Akihisa, Feng Feng
A new steroid, 20-hydroxyisofucosterol (stigmasta-5,24(28)-diene-3β,20β-diol) (7), along with six known compounds 1 - 6 were isolated from the MeOH extract of the leaves of Sauropus androgynus L. Merr. (Euphorbiaceae). The structure of new steroid was determined by HR-APCI-MS and various NMR techniques in combination with literature data. Subsequently, their anti-inflammatory, cytotoxic activities against five human cell lines, as well as inhibitory activities against the α-MSH induced melanogenesis on the B16 cell line were evaluated...
November 16, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/29144391/antimicrobial-peptide-epinecidin-1-modulates-myd88-protein-levels-via-the-proteasome-degradation-pathway
#7
Bor-Chyuan Su, Jyh-Yih Chen
The cationic antimicrobial peptide epinecidin-1 was identified from Epinephelus coioides and possesses multiple biological functions, including antibacterial, antifungal, anti-tumor, and immunomodulatory effects. In addition, epinecidin-1 suppresses lipopolysaccharide (LPS)-induced inflammation by neutralizing LPS and ameliorating LPS/Toll-like receptor (TLR)-4 internalization. However, it is unclear whether the actions of epinecidin-1 depend on the regulation of TLR adaptor protein MyD88 or endogenous TLR signaling antagonists, which include A20, interleukin-1 receptor associated kinase (IRAK)-M, and suppressor of cytokine signaling (SOCS)-1...
November 16, 2017: Marine Drugs
https://www.readbyqxmd.com/read/29144137/design-of-novel-3-pyrimidinylazaindole-based-cdk2-9-inhibitors-with-potent-in-vitro-and-in-vivo-antitumor-efficacy-in-a-triple-negative-breast-cancer-model
#8
Umed Singh, Gousia Chashoo, Sameer U Khan, Priya Mahajan, Amit Nargotra, Girish Mahajan, Amarinder Singh, Anjna Sharma, Mubashir Javeed Mintoo, Santosh Kumar Guru, Hariprasad Aruri, Thanusha Thatikonda, Promod Sahu, Pankaj Chibber, Vikas Kumar, Sameer A Mir, Sonali S Bharate, Sreedhar Madishetti, Utpal Nandi, Gurdarshan Singh, Dilip Manikrao Mondhe, Shashi Bhushan, Fayaz Malik, Serge Mignani, Ram A Vishwakarma, Parvinder Pal Singh
In the present study, novel series of 3-pyrimidinylazaindoles were designed and synthesized using bioinformatics strategy as cyclin-dependent kinases CDK2 and CDK9 inhibitors, which play critical roles in cell-cycle control and regulation of cell transcription. The present approach has given new dimensions to existing SAR and opens the new opportunity for lead optimization from comparatively inexpensive starting materials. The study led to the identification of alternative lead candidate 4ab with nanomolar potency against CDK2 and CDK9 and potent anti-proliferative activities against a panel of tested tumor cell lines along better safety ratio of ~30 in comparison to reported leads...
November 16, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29143999/microrna-27a-3p-inhibits-cell-viability-and-migration-through-down-regulating-dusp16-in-hepatocellular-carcinoma
#9
Jin-Mao Li, Jun Zhou, Zhen Xu, Hai-Jin Huang, Min-Jiang Chen, Jian-Song Ji
MicroRNA (miRNA or miR) has been shown to play an important role in the initiation and development in many different cancers. Here, we demonstrated down-regulated expression of miR-27a-3p in hepatocellular carcinoma (HCC) tissues in comparison with that in adjacent normal liver tissues based on the TCGA database. Cells viability and apoptosis was measured by CCK-8 and flow cytometry assay. Cell invasion and migration was measured by Transwell and wound healing assay. The effect of miR-27a-3p on DUSP16 expression was evaluated by luciferase assays, and western blot assay...
November 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29143969/the-molecular-basis-of-cytotoxicity-of-%C3%AE-spinasterol-from-ganoderma-resinaceum-induction-of-apoptosis-and-overexpression-of-p53-in-breast-and-ovarian-cancer-cell-lines
#10
Nada K Sedky, Zaynab El Gammal, Amir E Wahba, Eman Mosad, Zahraa Y Waly, Amira Ali El-Fallal, Reem K Arafa, Nagwa El-Badri
OBJECTIVES: Despite advances in therapy of breast and ovarian cancers, they still remain among the most imperative causes of cancer death in women. The first can be considered one of the most widespread diseases among females, while the latter is more lethal and needs prompt treatment. Thus, the research field can still benefit from discovery of new compounds that can be of potential use in management of these grave illnesses. We hereby aimed to assess the antitumor activity of the phytosterol α-spinasterol isolated from Ganoderma resinaceum mushroom on human breast cancer cell lines (MCF-7, MDA-MB-231), as well as, on human ovarian cancer cell line (SKOV-3)...
November 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29143917/lambda-phage-nanoparticles-displaying-her2-derived-e75-peptide-induce-effective-e75-cd8-t-response
#11
Atefeh Arab, Jessica Nicastro, Roderick Slavcev, Atefeh Razazan, Nastaran Barati, Amin Reza Nikpoor, Amir Abbas Momtazi Brojeni, Fatemeh Mosaffa, Ali Badiee, Mahmoud Reza Jaafari, Javad Behravan
We have investigated the in vitro immunogenicity and in vivo prophylactic and therapeutic potential of lambda (λ) phage particles displaying the E75 peptide (derived from HER2 protein) in an implantable TUBO breast tumor model of BALB/c mice. The mice were immunized with the E75-displaying phage (λF7-gpD::E75) every 2-week intervals over a 6-week period, and the generated immune responses were studied. Results showed in vitro induction of immune responses by the λF7 (gpD::E75) construct compared to the control λF7 and buffer groups...
November 16, 2017: Immunologic Research
https://www.readbyqxmd.com/read/29143804/telomeres-and-telomerase-in-hematopoietic-dysfunction-prognostic-implications-and-pharmacological-interventions
#12
REVIEW
Theresa Vasko, Andrea Kaifie, Matthias B Stope, Thomas Kraus, Patrick Ziegler
Leukocyte telomere length (TL) has been suggested as a marker of biological age in healthy individuals, but can also reflect inherited and acquired hematopoietic dysfunctions or indicate an increased turnover of the hematopoietic stem and progenitor cell compartment. In addition, TL is able to predict the response rate of tyrosine kinase inhibitor therapy in chronic myeloid leukemia (CML), indicates clinical outcomes in chronic lymphocytic leukemia (CLL), and can be used as screening tool for genetic sequencing of selected genes in patients with inherited bone marrow failure syndromes (BMFS)...
October 28, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29143360/identification-of-a-pyridine-derivative-inducing-senescence-in-ovarian-cancer-cell-lines-via-p21-activation
#13
Dongsheng Shang, Yanfang Wu, Ya Ding, Ziwen Lu, Yanting Shen, Feifei Zhu, Hanqing Liu, Chunyin Zhu, Zhigang Tu
Cellular senescence is a state of irreversible cell growth arrest. Increasing evidence suggests that cellular senescence contribute to tumor suppression in vivo. However, only a few anti-cancer drugs have been discovered to induce cellular senescence. Searching for new compounds which can inhibit cancer cell growth by inducing senescence is becoming one of the most attractive research fields. To test the effects of candidate compounds on cancer cell growth, cell proliferation assays, senescence associated β-galactosidase (SA-β-gal) staining, and flow cytometry assay were performed...
November 16, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29142521/fatal-infections-in-older-patients-with-inflammatory-bowel-disease-on-anti-tumor-necrosis-factor-therapy
#14
Way-Seah Lee, Najib Azmi, Ruey-Terng Ng, Sik-Yong Ong, Sasheela Sri La Ponnampalavanar, Sanjiv Mahadeva, Ida Hilmi
Anti-tumor necrosis factor (anti-TNF) is highly effective in inflammatory bowel disease (IBD); however, it is associated with an increased risk of infections, particularly in older adults. We reviewed 349 patients with IBD, who were observed over a 12-month period, 74 of whom had received anti-TNF therapy (71 patients were aged <60 years and 3 were aged ≥60 years). All the 3 older patients developed serious infectious complications after receiving anti-TNFs, although all of them were also on concomitant immunosuppressive therapy...
October 2017: Intestinal Research
https://www.readbyqxmd.com/read/29142511/medication-adherence-in-inflammatory-bowel-disease
#15
REVIEW
Webber Chan, Andy Chen, Darren Tiao, Christian Selinger, Rupert Leong
Inflammatory bowel disease (IBD) is a chronic idiopathic inflammatory condition with intestinal and extraintestinal manifestations. Medications are the cornerstone of treatment of IBD. However, patients often adhere to medication poorly. Adherence to medications is defined as the process by which patients take their medications as prescribed. Treatment non-adherence is a common problem among chronic diseases, averaging 50% in developed countries and is even poorer in developing countries. In this review, we will examine the adherence data in IBD which vary greatly depending on the study population, route of administration, and methods of adherence measurement used...
October 2017: Intestinal Research
https://www.readbyqxmd.com/read/29142506/detection-of-circulating-natural-antibodies-to-inflammatory-cytokines-in-type-2-diabetes-and-clinical-significance
#16
Weiyi Cai, Cailing Qiu, Hongyu Zhang, Xiangyun Chen, Xuan Zhang, Qingyong Meng, Jun Wei
Background: Inflammatory cytokines have been demonstrated to be involved in developing insulin resistance and type-2 diabetes (T2D). Natural antibodies in the circulation have protective effects on common diseases in humans. The present study was thus designed to test the hypothesis that natural antibodies against inflammatory cytokines could be associated with T2D. Methods: An enzyme-linked immunosorbent assay (ELISA) was developed in-house to detect plasma IgG against peptide antigens derived from interleukin 1α (IL1α), IL1β, IL6, IL8 and tumor necrosis factor-α (TNF-α) in 200 patients with T2D and 220 control subjects...
2017: Journal of Inflammation
https://www.readbyqxmd.com/read/29142473/genetic-associations-with-adverse-events-from-anti-tumor-necrosis-factor-therapy-in-inflammatory-bowel-disease-patients
#17
Daniel Lew, Soon Man Yoon, Xiaofei Yan, Lori Robbins, Talin Haritunians, Zhenqiu Liu, Dalin Li, Dermot Pb McGovern
AIM: To study the type and frequency of adverse events associated with anti-tumor necrosis factor (TNF) therapy and evaluate for any serologic and genetic associations. METHODS: This study was a retrospective review of patients attending the inflammatory bowel disease (IBD) centers at Cedars-Sinai IBD Center from 2005-2016. Adverse events were identified via chart review. IBD serologies were measured by ELISA. DNA samples were genotyped at Cedars-Sinai using Illumina Infinium Immunochipv1 array per manufacturer's protocol...
October 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29142434/melastoma-malabathricum-ethyl-acetate-fraction-induces-secondary-necrosis-in-human-breast-and-lung-cancer-cell-lines
#18
Adi Idris, Ihsan N Zulkipli, Nurul Ramizah Zulhilmi, Huan F Lee, Rajan Rajabalaya, Lim Y Chee, Mohamed Majid, Sheba R David
Background: Melastoma malabathricum (MM) is a traditional plant used in the Borneo region. The cytotoxic effects of methanol extracts from MM leaves have been reported in a number of human cancer cell lines. However, the mode of cell death by MM has not been investigated. Objective: We investigated the cytotoxic effects of MM in both human breast and lung cancer cell lines, MCF-7 and A549, respectively, and defined the mode of cell death. Materials and Methods: Cell viability was measured using the 3-(4-, 5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) assay...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29142418/marantodes-pumilum-blume-kuntze-inhibited-secretion-of-lipopolysaccharide-and-monosodium-urate-crystal-stimulated-cytokines-and-plasma-prostaglandin-e2
#19
Eldiza Puji Rahmi, Jamia Azdina Jamal, Endang Kumolosasi, Juriyati Jalil, Nor-Ashila Aladdin
Background: Marantodes pumilum is traditionally used for dysentery, gonorrhea, and sickness in the bones. Previous studies revealed its antibacterial and xanthine oxidase inhibitory activities. Objective: To evaluate the inhibitory effects of three M. pumilum varieties on the secretion of lipopolysaccharide (LPS)- and monosodium urate crystal (MSU)-induced cytokines and plasma prostaglandin E2 (PGE2) in vitro. Materials and Methods: The leaves and roots of M...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29142297/5-aminolevulinic-acid-guided-sampling-of-glioblastoma-microenvironments-identifies-pro-survival-signaling-at-infiltrative-margins
#20
James L Ross, Lee A D Cooper, Jun Kong, David Gutman, Merete Williams, Carol Tucker-Burden, Myles R McCrary, Alexandros Bouras, Milota Kaluzova, William D Dunn, Duc Duong, Constantinos G Hadjipanayis, Daniel J Brat
Glioblastoma (GBM) contains diverse microenvironments with uneven distributions of oncogenic alterations and signaling networks. The diffusely infiltrative properties of GBM result in residual tumor at neurosurgical resection margins, representing the source of relapse in nearly all cases and suggesting that therapeutic efforts should be focused there. To identify signaling networks and potential druggable targets across tumor microenvironments (TMEs), we utilized 5-ALA fluorescence-guided neurosurgical resection and sampling, followed by proteomic analysis of specific TMEs...
November 15, 2017: Scientific Reports
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