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Anti-cancer Drugs

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https://www.readbyqxmd.com/read/29293118/sodium-butyrate-increases-p-gp-expression-in-lung-cancer-by-upregulation-of-stat3-and-mrna-stabilization-of-abcb1
#1
Liang Zhao, Shi Bin, Hong-Liang He, Jing-Mo Yang, Yue-Chen Pu, Cai-Hong Gao, Hao Wang, Bao-Long Wang
As a new type of anticancer drug, the effect of histone deacetylase inhibitors (HDACIs) in cancer clinical therapy is disappointing owing to drug resistance. P-glycoprotein (P-gp) is clearly recognized as a multidrug resistance protein. However, the relationship between P-gp and sodium butyrate (SB), a kind of HDACIs, has not been investigated. In this study, we found that SB increased mRNA and protein expression of P-gp in lung cancer cells and the underlying mechanisms were elucidated. We found that SB treatment enhanced the mRNA and protein expression of STAT3 rather than that of β-catenin, Foxo3a, PXR, or CAR, which were reported to directly regulate the transcription of ABCB1, a P-gp-encoding gene...
December 29, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29280916/erlotinib-for-coexisting-typical-bronchial-carcinoid-and-advanced-lung-adenocarcinoma-does-the-epidermal-growth-factor-receptor-mutation-status-matter
#2
Drpa Gordana, Katherina B Sreter, Manojlovic Spomenka, Kukulj Suzana
Adenocarcinoma (AC) is the most common type of primary pulmonary malignancy. Lung carcinoid, however, is a rare neuroendocrine tumor. Their coexistence is extremely uncommon. We report the unique case of synchronous advanced lung AC of the right upper lobe (stage IIIB) and typical endobronchial carcinoid tumor in the contralateral lower lobe in a 49-year-old white female who had never smoked. PET-computed tomography scan revealed a fluorine-18-fluorodeoxyglucose-avid AC lesion, whereas the carcinoid tumor was fluorine-18-fluorodeoxyglucose occult...
December 26, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29271783/electrochemotherapy-with-anti-pd-1-treatment-induced-durable-complete-response-in-heavily-pretreated-metastatic-melanoma-patient
#3
Burçak Karaca, Gökçe Yayla, Mehmet Erdem, Tahir Gürler
Metastatic melanoma (MM) is one of the most lethal types of cancer. Although novel immunotherapeutics have been developed recently, still, these drugs fail to save the lives of a third of MM patients. Electrochemotherapy (ECT) is a local treatment of cancer based on a combination of electroporesis and low-dose chemotherapy. In this case report, we present the treatment history of a MM patient treated successfully with ECT and immunotherapy combination as a fifth-line treatment. Our patient was a 39 year-old woman who was diagnosed with nodulary melanoma stage II...
December 21, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29256900/anticancer-properties-of-thiophene-derivatives-in-breast-cancer-mcf-7-cells
#4
Flaviana Alves Dos Santos, Michelly Cristiny Pereira, Tiago Bento de Oliveira, Francisco Jaime Bezerra Mendonça Junior, Maria do Carmo Alves de Lima, Marina Galdino da Rocha Pitta, Ivan da Rocha Pitta, Moacyr Jesus Barreto de Melo Rêgo, Maira Galdino da Rocha Pitta
Substitutions in thiophene structure give rise to new derivatives with different biological and pharmacological activities. The present study investigated the cytotoxicity activity of some thiophene derivatives in breast cancer cells maintained in two-dimensional (2D) or in three-dimensional (3D) culture and evaluated the anticancer mechanism of these compounds. Cytotoxicity assays were performed against untransformed cells and against breast cancer cell MCF-7. Apoptosis analysis and in-vitro migration assay were also performed to evaluate the mechanism of induction of cell death...
December 18, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29256899/sumoylation-regulates-tgf-%C3%AE-1-smad4-signalling-in-resistant-glioma-cells
#5
Zhengfeng Wang, Kai Wang, Ruihua Wang, Xianzhi Liu
The aim of this study was to explore the role of TGF-β1/Smad4 signalling in the DNA damage-induced ionization radiation (IR) resistance of glioma cells. T98G cells were assigned to the IR group (treated with IR) or the Blank group (with no treatment). The IR-treated cells were also treated/transfected with the TGF-β receptor inhibitor SB431542, SUMO1-overexpressing plasmids (SUMO1 group), SUMO1-interfering plasmids (si-SUMO1 group) or negative control plasmids group. The wound-healing capacity, cell proliferation and cell apoptosis were evaluated by the scratch assay, flow cytometry and the CCK-8 assay, respectively, and protein interactions were investigated by coimmunoprecipitation and colocalization assays...
December 18, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29215373/mangiferin-prevents-the-growth-of-gastric-carcinoma-by-blocking-the-pi3k-akt-signalling-pathway
#6
Min Du, Gang Wen, Juan Jin, Yuanguang Chen, Jun Cao, Aman Xu
The aim of the present study was to investigate the effects of mangiferin on gastric carcinoma cells and to determine the possible mechanisms underlying such effects. The MTT assay was performed to evaluate the antiproliferative effect of mangiferin. Following treatment, apoptosis rates of SGC-7901 were established by flow cytometry and laser confocal microscopy, and western blot analysis was used to detect the expression of apoptosis-related proteins. The MTT assay showed that mangiferin inhibited the proliferation of SGC-7901 and BCG-823 cells in a dose-dependent and time-dependent manner...
December 5, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29215372/efficacy-and-safety-of-apatinib-as-second-line-therapy-for-advanced-gastric-cancer-a-single-center-observational-study
#7
Yong Zhang, Miaomiao Gou, Chun Han, Juan Li, Lijie Wang, Qian Qiao, Yi Hu, Li Bai, Zhefeng Liu
Apatinib has been proven to be effective and safe among patients in the third-line treatment of advanced gastric cancer in phase II and III trials. We aimed to evaluate its efficacy and safety in second-line practice, and to explore the factors associated with efficacy. Between April 2015 and May 2017, a total of 23 patients with advanced gastric adenocarcinoma or adenocarcinoma of gastroesophageal junction were enrolled and followed up retrospectively after failing the first line of systemic therapy. The median progression-free survival was 4...
December 5, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29200002/metformin-and-melatonin-inhibit-dmba-induced-mammary-tumorigenesis-in-rats-fed-a-high-fat-diet
#8
Bianka Bojková, Karol Kajo, Terézia Kisková, Peter Kubatka, Pavol Žúbor, Peter Solár, Martin Péč, Marián Adamkov
The data from in-vitro and in-vivo studies show that both peroral antidiabetic metformin (MF) and pineal hormone melatonin (MT) inhibit the growth of many cancers, including breast cancer. However, most in-vivo studies used standard-type diet with low fat content. Therefore, in this study, we evaluated the chemopreventive effect of MF and MT in an in-vivo model of breast cancer in rats on a high-fat diet (10% of total fat). Mammary carcinogenesis was induced by 7,12-dimethylbenz[a]anthracene (DMBA) in female Sprague-Dawley rats...
December 1, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29176396/histone-deacetylase-inhibitor-saha-induced-epithelial-mesenchymal-transition-by-upregulating-slug-in-lung-cancer-cells
#9
Jun Wang, Mei-Qing Xu, Xian-Liang Jiang, Xin-Yu Mei, Xue-Gang Liu
SAHA, a member of histone deacetylase inhibitors (HDACIs), which emerged as a class of novel antitumor drug, has been used in clinical treatment of cancers. However, clinical experience of SAHA in solid tumors has been disappointing. Nevertheless, the underlying mechanism of this deficiency is not clearly understood. In the present study, we found that SAHA could induce epithelial-mesenchymal transitions (EMT) in lung cancer A549 cells, which was associated with increased migration capability and cellular morphology changes...
November 24, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29176395/integrated-safety-summary-for-trifluridine-tipiracil-tas-102
#10
Alfredo Falcone, Atsushi Ohtsu, Eric Van Cutsem, Robert J Mayer, Michele Buscaglia, Johanna C Bendell, Scott Kopetz, Paul Bebeau, Takayuki Yoshino
Trifluridine/tipiracil, an oral treatment combining trifluridine (an antineoplastic thymidine-based nucleoside analog) and tipiracil hydrochloride (a thymidine phosphorylase inhibitor), led to significant improvement in overall survival in metastatic colorectal cancer (mCRC) patients refractory to standard therapy in the phase III RECOURSE trial. Here, we report an integrated summary of the safety of trifluridine/tipiracil. The main safety analysis includes integrated data from the RECOURSE and J003 studies (safety data group 2) of patients with refractory mCRC receiving trifluridine/tipiracil at the recommended starting dose: 35 mg/m twice daily for 5 days with 2 days' rest for 2 weeks, followed by a 14-day rest (one cycle)...
November 24, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29176398/the-role-of-the-globular-heads-of-the-c1q-receptor-in-paclitaxel-induced-human-ovarian-cancer-cells-apoptosis-by-a-mitochondria-dependent-pathway
#11
Kang-Tai Lv, Ling-Juan Gao, Xiangdong Hua, Fengshan Li, Yun Gu, Wei Wang
As a mitochondrial membrane protein, globular C1q receptor (gC1qR) can mediate a variety of biological responses. Our study aims to investigate the role of gC1qR in paclitaxel-induced apoptosis of human ovarian cancer cells and to elucidate its potential molecular mechanism. The level of gC1qR was examined using real-time PCR and western blot analyses. Human ovarian cancer cells viability, migration, and proliferation were detected using the water-soluble tetrazolium salt (WST-1) assay, the transwell assay, and H-thymidine incorporation into DNA (H-TdR) assay, respectively...
November 23, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29120871/a-srsf1-self-binding-mechanism-restrains-mir505-3p-from-inhibiting-proliferation-of-neural-tumor-cell-lines
#12
Kan Yang, Li Tong, Kai Li, Yuxun Zhou, Junhua Xiao
Srsf1 has currently been demonstrated to be an oncogene that is precisely autoregulated for normal physiology. Although Mir505-3p has been reported as one of the regulatory miRNAs of Srsf1 in mouse embryonic fibroblast (MEF), the inhibitory effect of Mir505-3p on Srsf1 is poorly described in neural tumors. Whether SRSF1 autoregulation interferes with miRNA targeting on the Srsf1 transcript is unclear. In this work, we screened out one target site, out of three potential target sites on 3' UTR of Srsf1 transcript, that was required for Mir505-3p targeting...
November 8, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29099418/temozolomide-treatment-of-a-malignant-pheochromocytoma-and-an-unresectable-max-related-paraganglioma
#13
Alfonso M Ferrara, Giuseppe Lombardi, Ardi Pambuku, Domenico Meringolo, Roberta Bertorelle, Margherita Nardin, Francesca Schiavi, Maurizio Iacobone, Giuseppe Opocher, Vittorina Zagonel, Stefania Zovato
Pheochromocytomas (PCCs) and paragangliomas (PGLs) are neuroendocrine tumors with a strong genetic background. The mainstay of treatment for PCC/PGLs is surgery. However, for unresectable lesions, no curative treatment is currently available. Temozolomide (TMZ) has been shown to determine radiological and biochemical response in malignant PCC/PGLs. We report two cases of PCC/PGLs treated with TMZ. Case 1 is a 51-year-old man with local and distant recurrence (liver and bone metastases) of right adrenal PCC...
November 2, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29099417/cell-cycle-dependent-translocation-and-regulatory-mechanism-of-cacybp-sip-in-gastric-cancer-cells
#14
Yang Chen, Kun Zhang, Xiaosu Wang, Qiaoneng Li, Qingfeng Wu, Xiaoxuan Ning
Our previous results showed that calcyclin-binding protein/Siah-1-interacting protein (CacyBP/SIP) inhibits the proliferation and tumorigenicity of gastric cancer; however, the exact mechanism remains unclear, especially from the aspect of cell cycle. The subcellular localization of CacyBP/SIP, Siah-1, and Skp1 in SGC7901 gastric cancer cells was assessed by immunofluorescence after cell cycle synchronization. Levels of CacyBP/SIP, Siah-1, Skp1, β-catenin, and p-ERK1/2 were analyzed by western blotting. CacyBP/SIP phosphorylation (p-CacyBP/SIP) and the combining capacity of Siah-1 and Skp1 with CacyBP/SIP in nucleoprotein were determined by immunoprecipitation...
November 2, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29219879/influence-of-the-alkylating-function-of-aldo-ifosfamide-on-the-anti-tumor-activity
#15
Georg Voelcker
The present work investigates the influence of different DNA damages caused by different isophosphoramide mustards on the 3-hydroxypropanal-assisted apoptotic antitumor activity of oxazaphosphorine cytostatics using I-aldophosphamide-perhydrothiazine (IAP) and mesyl-I-aldophosphamide-perhydrothiazine (SUM-IAP) for in-vitro and in-vivo experiments. IAP and SUM-IAP hydrolyze spontaneously to the corresponding I-aldophosphamide derivatives. They differ in the chemical structure of the alkylating moiety, whereas IAP has two chlorethyl groups in the SUM-IAP molecule, one chlorethyl group is substituted by a mesylethyl group...
January 2018: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29176397/a-case-of-heavily-pretreated-metastatic-cardiac-angiosarcoma-treated-successfully-using-eribulin
#16
Chiaki Inagaki, Tatsunori Shimoi, Hitomi Okuma, Akiko Kitano, Akihiko Shimomura, Emi Noguchi, Makoto Kodaira, Mayu Yunokawa, Kan Yonemori, Chikako Shimizu, Akihiko Yoshida, Yasuhiro Fujiwara, Kenji Tamura
Eribulin mesylate (eribulin) is a nontaxane microtubule inhibitor approved in Japan for treating soft tissue sarcoma irrespective of histological subtypes. Thus, our department routinely uses eribulin to treat any histological subtype of sarcoma for patients who have experienced disease progression during standard therapy. However, evidence on the efficacy of eribulin in treating sarcomas that are neither liposarcoma nor leiomyosarcoma is limited. Recently, we encountered a case of a heavily pretreated cardiac angiosarcoma that responded well to eribulin treatment...
January 2018: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29099416/autophagy-and-doxorubicin-resistance-in-cancer
#17
Chao Chen, Lu Lu, Shichao Yan, Huimei Yi, Hui Yao, Di Wu, Guangchun He, Xiaojun Tao, Xiyun Deng
Doxorubicin (DOX), also known as adriamycin, is a DNA topoisomerase II inhibitor and belongs to the family of anthracycline anticancer drugs. DOX is used for the treatment of a wide variety of cancer types. However, resistance among cancer cells has emerged as a major barrier to effective treatment using DOX. Currently, the role of autophagy in cancer resistance to DOX and the mechanisms involved have become one of the areas of intense investigation. More and more preclinical data are being obtained on reversing DOX resistance through modulation of autophagy as one of the promising therapeutic strategies...
January 2018: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29084003/a-genome-wide-comprehensive-analysis-of-alterations-in-driver-genes-in-non-small-cell-lung-cancer
#18
Jun Yi, Xiang Wei, Xinqiang Li, Lei Wan, Jiashou Dong, Rui Wang
Lung cancer is one of the most common malignancies and the leading cause of cancer-related deaths worldwide. Although many oncogenes and tumor suppressors have been uncovered in the past decades, the pathogenesis and mechanisms of lung tumorigenesis and progression are unclear. The advancement of high-throughput sequencing technique and bioinformatics methods has led to the discovery of some unknown important protein-coding genes or noncoding RNAs in human cancers. In this study, we tried to identify and validate lung cancer driver genes to facilitate the diagnosis and individualized treatment of patients with this disease...
January 2018: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29045271/rhabdomyosarcoma-cells-are-susceptible-to-cell-death-by-ldk378-alone-or-in-combination-with-sorafenib-independently-of-anaplastic-lymphoma-kinase-status
#19
Nadezda Dolgikh, Simone Fulda
Anaplastic lymphoma kinase (ALK) is a receptor tyrosine kinase that is often overexpressed in rhabdomyosarcoma (RMS). However, its oncogenic and functional role in RMS remains unclear. Therefore, we investigated the antitumor activity of LDK378 (ceritinib), a new second-generation ALK inhibitor approved for patients with ALK-positive non-small-cell lung cancers. Here, we report that LDK378 reduces cell viability and induces cell death in RMS cell lines at low micromolar IC50 concentrations irrespective of ALK expression levels or phosphorylation status...
November 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29023247/mir-449a-a-potential-therapeutic-agent-for-cancer
#20
He Yong-Ming, Ji Ai-Jun, Xu Xiao-Yue, Lu Jian-Wei, Yu Chen, Chen Ye
MicroRNAs (miRNAs) have been reported to be associated with cancer progression and carcinogenesis. They are small, highly conserved, noncoding RNA molecules consisting of 19-25 nucleotides. By binding to complementary binding sites within the 3'-untranslated region of target mRNAs, miRNAs inhibit the translation of mRNAs or promote their degradation. miRNAs play critical roles in cancer initiation and development by functioning either as oncogenes or as tumor suppressors. Similarly, several studies have shown that miRNAs are involved in regulating various biological processes, including apoptosis, proliferation, cellular differentiation, signal transduction, and carcinogenesis...
November 2017: Anti-cancer Drugs
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