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Clinical pathways and cancer

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https://www.readbyqxmd.com/read/28107750/effect-of-clinically-approved-hdac-inhibitors-on-plasmodium-leishmania-and-schistosoma-parasite-growth
#1
Ming Jang Chua, Megan S J Arnold, Weijun Xu, Julien Lancelot, Suzanne Lamotte, Gerald F Späth, Eric Prina, Raymond J Pierce, David P Fairlie, Tina S Skinner-Adams, Katherine T Andrews
Malaria, schistosomiasis and leishmaniases are among the most prevalent tropical parasitic diseases and each requires new innovative treatments. Targeting essential parasite pathways, such as those that regulate gene expression and cell cycle progression, is a key strategy for discovering new drug leads. In this study, four clinically approved anti-cancer drugs (Vorinostat, Belinostat, Panobinostat and Romidepsin) that target histone/lysine deacetylase enzymes were examined for in vitro activity against Plasmodium knowlesi, Schistosoma mansoni, Leishmania amazonensis and L...
December 23, 2016: International Journal for Parasitology, Drugs and Drug Resistance
https://www.readbyqxmd.com/read/28107696/a-mini-review-of-c-met-as-a-potential-therapeutic-target-in-melanoma
#2
REVIEW
Doa'a G F Al-U'datt, Belal A A Al-Husein, Ghazi Raji Qasaimeh
Melanoma is the third highest rated cancer in prevalence. Surgery, radiotherapy and targeted/biological therapies in addition to chemotherapy are available options for management of this cancer. Met is an appealing target for management of this type of cancer, since it targets many cancer vital processors, such as angiogenesis, cell growth, scattering and differentiation. In this review, we provide an overview about pathway abnormalities associated with melanoma. We also provide a summary about the events involved in Met signaling and related signaling molecules...
January 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28106769/tgf-%C3%AE-signaling-in-gastrointestinal-cancers-progress-in-basic-and-clinical-research
#3
REVIEW
Takehiko Yokobori, Masahiko Nishiyama
Transforming growth factor (TGF)-β superfamily proteins have many important biological functions, including regulation of tissue differentiation, cell proliferation, and migration in both normal and cancer cells. Many studies have reported that TGF-β signaling is associated with disease progression and therapeutic resistance in several cancers. Similarly, TGF-β-induced protein (TGFBI)-a downstream component of the TGF-β signaling pathway-has been shown to promote and/or inhibit cancer. Here, we review the state of basic and clinical research on the roles of TGF-β and TGFBI in gastrointestinal cancers...
January 18, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28105231/pigment-epithelium-derived-factor-has-a-role-in-the-progression-of-papillary-thyroid-carcinoma-by-affecting-the-hif1%C3%AE-vegf-signaling-pathway
#4
Yichen Lv, Yu Sun, Tiefeng Shi, Chenlei Shi, Huadong Qin, Zhaozhu Li
The progression mechanism of papillary thyroid carcinoma (PTC) remains largely unknown. Accumulating evidence has suggested that various targets of pigment epithelium-derived factor (PEDF) are able to inhibit cancer progression. The aim of the present study was to examine PEDF expression in PTC patients and to investigate its relationship with aggressive clinicopathological features, as well as to explore whether PEDF affects the progression of PTC via the hypoxia-inducible factor 1α (HIF1α)-vascular endothelial growth factor (VEGF) pathway...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28105213/wogonin-induces-beclin-1-pi3k-and-reactive-oxygen-species-mediated-autophagy-in-human-pancreatic-cancer-cells
#5
Shao-Jun Li, Shi-Jie Sun, Jie Gao, Fu-Bo Sun
Wogonin is considered to be an inhibitor of myeloid cell leukemia 1 and B-cell lymphoma 2, and a potential antitumor drug due to its ability to induce apoptosis in certain cancer cells; however, few previous studies have reported on wogonin-induced autophagy. The aim of the present study was to investigate the influence of wogonin on autophagy in human pancreatic cancer cells (HPCCs), elucidate its mechanism, and identify strategies to increase its effectiveness as an anti-cancer treatment. HPCCs were treated with wogonin and autophagy was detected in the cells...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28105176/dihydroartemisinin-transiently-activates-the-jnk-sapk-signaling-pathway-in-endothelial-cells
#6
Fengyun Dong, Ju Han, Guoxian Jing, Xiaocui Chen, Suhua Yan, Longtao Yue, Zhiqun Cao, Xiaochun Liu, Guozhao Ma, Ju Liu
Artemisinin and its derivatives are well-known anti-malaria drugs and in the early stages of research for cancer treatment. Dihydroartemisinin (DHA), a more water-soluble derivative of artemisinin, has demonstrated strong anti-angiogenic activity. The purpose of the present study was to investigate the underlying molecular mechanisms of the effect of DHA on angiogenesis. Human umbilical vein endothelial cells (HUVECs) treated with DHA were examined for apoptosis and activation of the c-Jun N-terminal kinase (JNK) signaling pathway, one of the major mitogen-activated protein kinase cascades...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28104680/evaluation-of-thyroseq-v2-performance-in-thyroid-nodules-with-indeterminate-cytology
#7
Pablo Valderrabano, Laila Khazai, Marino E Leon, Zachary J Thompson, Zhenjun Ma, Christine H Chung, Julie E Hallanger-Johnson, Kristen J Otto, Kara D Rogers, Barbara Centeno, Bryan McIver
ThyroSeq v2 claims high positive (PPV) and negative (NPV) predictive values in a wide range of pre-test risks of malignancy in indeterminate thyroid nodules (ITNs) (categories B-III and B-IV of the Bethesda system). We evaluated ThyroSeq v2 performance in a cohort of patients with ITNs seen at our Academic Cancer Center from September 2014 to April 2016, in light of the new diagnostic criteria for non-invasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP). Our study included 182 patients (76% female) with 190 ITNs consecutively tested with ThyroSeq v2...
January 19, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28104566/targeting-epidermal-growth-factor-receptor-in-triple-negative-breast-cancer-new-discoveries-and-practical-insights-for-drug-development
#8
REVIEW
Ricardo Costa, Ami N Shah, Cesar A Santa-Maria, Marcelo R Cruz, Devalingam Mahalingam, Benedito A Carneiro, Young Kwang Chae, Massimo Cristofanilli, William J Gradishar, Francis J Giles
Triple negative breast cancer (TNBC) accounts for 10-20% of cases in breast cancer. Despite recent advances in the treatment of hormonal receptor+ and HER2+ breast cancers, there are no targeted therapies available for TNBC. Evidence supports that most patients with TNBC express the transmembrane Epidermal Growth Factor Receptor (EGFR). However, early phase clinical trials failed to demonstrate significant activity of EGFR-targeted monoclonal antibodies and/or tyrosine kinase inhibitors. Here, we review the recent discoveries related to the underlying biology of the EGFR pathway in TNBC, clinical progress to date and suggest rational future approaches for investigational therapies in TNBC...
January 5, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28104436/capsaicin-synergizes-with-camptothecin-to-induce-increased-apoptosis-in-human-small-cell-lung-cancers-via-the-calpain-pathway
#9
Jamie R Friedman, Haley E Perry, Kathleen C Brown, Yin Gao, Ju Lin, Cathyrn D Stevenson, John D Hurley, Nicholas A Nolan, Austin T Akers, Yi Charlie Chen, Krista L Denning, Linda G Brown, Piyali Dasgupta
Small cell lung cancer (SCLC) is characterized by excellent initial response to chemotherapy and radiation therapy with a majority of the patients showing tumor shrinkage and even remission. However, the challenge with SCLC therapy is that patients inevitably relapse and subsequently do not respond to the first line treatment. Recent clinical studies have investigated the possibility of camptothecin-based combination therapy as first line treatment for SCLC patients. Conventionally, camptothecin is used for recurrent SCLC and has poor survival outcomes...
January 16, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28104361/igfbp-a-novel-target-of-lung-cancer
#10
REVIEW
QiongGe Hu, Yong Zhou, Kejing Ying, Wenjing Ruan
The insulin-like growth factor-1 receptor(IGF-1R) is a central component of lung cancer signal transduction pathways. A phase III study failed for carboplatin, paclitaxel, with or without figitumumab in first-line treating metastatic non-small cell lung cancer (NSCLC). There is an urgent need for a better understanding of signaling in IGF system. Insulin-like growth factor-binding proteins(IGFBPs) function as modulators for IGF signaling through sequestration of IGFs in serum and the extracellular fluid. IGFBPs can also act as transporters or modulators for IGF action and insulin action...
January 16, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28104295/systematic-drug-sensitivity-testing-reveals-synergistic-growth-inhibition-by-dasatinib-or-mtor-inhibitors-with-paclitaxel-in-ovarian-granulosa-cell-tumor-cells
#11
Ulla-Maija Haltia, Noora Andersson, Bhagwan Yadav, Anniina Färkkilä, Evgeny Kulesskiy, Matti Kankainen, Jing Tang, Ralf Bützow, Annika Riska, Arto Leminen, Markku Heikinheimo, Olli Kallioniemi, Leila Unkila-Kallio, Krister Wennerberg, Tero Aittokallio, Mikko Anttonen
OBJECTIVE: Resistance to standard chemotherapy poses a major clinical problem in the treatment of ovarian cancer patients. Adult-type granulosa cell tumor (AGCT) is a unique ovarian cancer subtype for which efficient treatment options are lacking in advanced disease. To this end, systematic drug response and transcriptomics profiling were performed to uncover new therapy options for AGCTs. METHODS: The responses of three primary and four recurrent AGCTs to 230 anticancer compounds were screened in vitro using a systematic drug sensitivity and resistance testing (DSRT) platform, coupled with mRNA sequencing...
January 16, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28104022/-immune-checkpoint-inhibitor-therapy-in-advanced-head-and-neck-cancer
#12
W Hang, Z X Xu, Q Zhang, X Lu, G Liu
Immune checkpoint inhibitor therapy, which targets regulatory pathways in T cells to enhance antitumor immune responses, improves the life quality of cancer patients and has joined the ranks of surgery, radiation, and chemotherapy to become a major choice for cancer therapy. Over the past few years, multiple exciting results have been obtained on checkpoint inhibitor therapy in advanced head and neck cancer. However, questions such as patient selection and biomarkers for assessing the therapy are largely unsolved...
January 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28103502/tim3-gal9-interactions-between-t-cells-and-monocytes-result-in-an-immunosuppressive-feedback-loop-that-inhibits-th1-responses-in-osteosarcoma-patients
#13
Xiuzhong Li, Yanqing Chen, Xu Liu, Jin Zhang, Xu He, Guodong Teng, Dazhi Yu
The Tim3/Gal9 pathway is associated with immunosuppression and worse clinical outcome in multiple cancers. To illustrate the specific mechanism of Tim3/Gal9 interaction in osteosarcoma, we examined expression, function, and regulation of Tim3/Gal9 in various cells from osteosarcoma patients. Data showed that CD4(+) T cells, CD8(+) T cells, and monocytes from both peripheral blood and tumor of osteosarcoma patients contained high frequencies of Tim3(+) cells, while the Gal9 expression was primarily found in regulatory T cells (Tregs) from osteosarcoma patients and was elevated compared to that in non-cancer controls...
January 16, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28102846/hepatitis-b-virus-x-protein-promotes-the-stem-like-properties-of-ov6-cancer-cells-in-hepatocellular-carcinoma
#14
Chao Wang, Ming-da Wang, Peng Cheng, Hai Huang, Wei Dong, Wei-Wei Zhang, Peng-Peng Li, Chuan Lin, Ze-Ya Pan, Meng-Chao Wu, Wei-Ping Zhou
Hepatitis B virus X protein (HBx) and cancer stem-like cells (CSCs) have both been implicated in the occurrence and development of HBV-related hepatocellular carcinoma (HCC). However, whether HBx contributes to the stem-like properties of OV6(+) CSCs in HCC remains elusive. In this study, we showed that the concomitant expression of HBx and OV6 was closely associated with the clinical outcomes and prognosis of patients with HBV-related HCC. HBx was required for the stem-like properties of OV6(+) liver CSCs, including self-renewal, stem cell-associated gene expression, tumorigenicity and chemoresistance...
January 19, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28102840/cancer-associated-fibroblasts-enact-field-cancerization-by-promoting-extratumoral-oxidative-stress
#15
Jeremy Soon Kiat Chan, Ming Jie Tan, Ming Keat Sng, Ziqiang Teo, Terri Phua, Chee Chong Choo, Liang Li, Pengcheng Zhu, Nguan Soon Tan
Histological inspection of visually normal tissue adjacent to neoplastic lesions often reveals multiple foci of cellular abnormalities. This suggests the presence of a regional carcinogenic signal that spreads oncogenic transformation and field cancerization. We observed an abundance of mutagenic reactive oxygen species in the stroma of cryosectioned patient tumor biopsies, indicative of extratumoral oxidative stress. Diffusible hydrogen peroxide (H2O2) was elevated in the conditioned medium of cultured skin epithelia at various stages of oncogenic transformation, and H2O2 production increased with greater tumor-forming and metastatic capacity of the studied cell lines...
January 19, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28102366/aurora-kinase-a-is-a-biomarker-for-bladder-cancer-detection-and-contributes-to-its-aggressive-behavior
#16
Aaron Mobley, Shizhen Zhang, Jolanta Bondaruk, Yan Wang, Tadeusz Majewski, Nancy P Caraway, Li Huang, Einav Shoshan, Guermarie Velazquez-Torres, Giovanni Nitti, Sangkyou Lee, June Goo Lee, Enrique Fuentes-Mattei, Daniel Willis, Li Zhang, Charles C Guo, Hui Yao, Keith Baggerly, Yair Lotan, Seth P Lerner, Colin Dinney, David McConkey, Menashe Bar-Eli, Bogdan Czerniak
The effects of AURKA overexpression associated with poor clinical outcomes have been attributed to increased cell cycle progression and the development of genomic instability with aneuploidy. We used RNA interference to examine the effects of AURKA overexpression in human bladder cancer cells. Knockdown had minimal effects on cell proliferation but blocked tumor cell invasion. Whole genome mRNA expression profiling identified nicotinamide N-methyltransferase (NNMT) as a downstream target that was repressed by AURKA...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28101577/viscumins-functionally-modulate-cell-motility-associated-gene-expression
#17
Sonja Schötterl, Miriam Hübner, Angela Armento, Vivien Veninga, Naita Maren Wirsik, Simon Bernatz, Hans Lentzen, Michel Mittelbronn, Ulrike Naumann
In Europe extracts from Viscum album L., the European white-berry mistletoe, are widely used as a complementary cancer therapy. Viscumins (mistletoe lectins, ML) have been scrutinized as important active components of mistletoe and exhibit a variety of anticancer effects such as stimulation of the immune system, induction of cytotoxicity, reduction of tumor cell motility as well as changes in the expression of genes associated with cancer development and progression. By microarray expression analysis, quantitative RT-PCR and RT-PCR based validation of microarray data we demonstrate for the Viscum album extract Iscador Qu and for the lectins Aviscumine and ML-1 that in glioma cells these drugs differentially modulate the expression of genes involved in the regulation of cell migration and invasion, including processes modulating cell architecture and cell adhesion...
February 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28100259/antitumor-activity-of-mir-34a-in-peritoneal-mesothelioma-relies-on-c-met-and-axl-inhibition-persistent-activation-of-erk-and-akt-signaling-as-a-possible-cytoprotective-mechanism
#18
Rihan El Bezawy, Michelandrea De Cesare, Marzia Pennati, Marcello Deraco, Paolo Gandellini, Valentina Zuco, Nadia Zaffaroni
BACKGROUND: The value of microRNAs (miRNAs) as novel targets for cancer therapy is now widely recognized. However, no information is currently available on the expression/functional role of miRNAs in diffuse malignant peritoneal mesothelioma (DMPM), a rapidly lethal disease, poorly responsive to conventional treatments, for which the development of new therapeutic strategies is urgently needed. Here, we evaluated the expression and biological effects of miR-34a-one of the most widely deregulated miRNAs in cancer and for which a lipid-formulated mimic is already clinically available-in a large cohort of DMPM clinical samples and a unique collection of in house-developed preclinical models, with the aim to assess the potential of a miR-34a-based approach for disease treatment...
January 18, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28100240/reactivation-of-dormant-anti-tumor-immunity-a-clinical-perspective-of-therapeutic-immune-checkpoint-modulation
#19
REVIEW
Richard Greil, Evelyn Hutterer, Tanja Nicole Hartmann, Lisa Pleyer
In favor of their outgrowth, cancer cells must resist immune surveillance and edit the immune response. Cancer immunoediting is characterized by fundamental changes in the cellular composition and the inflammatory cytokine profiles in the microenvironment of the primary tumor and metastatic niches, with an ever increasing complexity of interactions between tumor cells and the immune system. Recent data suggest that genetic instability and immunoediting are not necessarily disparate processes. Increasing mutational load may be associated with multiple neoepitopes expressed by the tumor cells and thus increased chances for the immune system to recognize and combat these cells...
January 19, 2017: Cell Communication and Signaling: CCS
https://www.readbyqxmd.com/read/28100096/targeting-therapy-resistant-cancer-stem-cells-by-hyperthermia
#20
A L Oei, L E M Vriend, P M Krawczyk, M R Horsman, N A P Franken, J Crezee
Eradication of all malignant cells is the ultimate but challenging goal of anti-cancer treatment; most traditional clinically-available approaches fail because there are cells in a tumor that either escape therapy or become therapy-resistant. A subpopulation of cancer cells, the cancer stem cells (CSCs), is considered to be of particular significance for tumor initiation, progression and metastasis. CSCs are considered in particular to be therapy-resistant and may drive disease recurrence, which positions CSCs in the focus of anti-cancer research, but successful CSC-targeting therapies are limited...
January 19, 2017: International Journal of Hyperthermia
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