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https://www.readbyqxmd.com/read/29783238/clinical-efficiency-of-dynamic-observation-of-patients-with-epidermal-dysplasia-of-the-skin
#1
Oleg L Ziukov, Оlena O Oshyvalova
OBJECTIVE: Introduction: Non-melanoma skin cancer is the most common type of cancer among the population of Ukraine. The aim: The study of clinical efficacy of dynamic observation of patients with epidermal dysplasia of the skin. PATIENTS AND METHODS: Materials and methods: To study epidermal dysplasia of the skin there was used identifying information of patients, who were under dynamic observation of dermatologists of the State Scientific Institution "Research and Practical Centre of Preventive and Clinical Medicine" of the State Administration in 2013-2017...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29783185/impact-of-body-mass-index-on-the-efficacy-of-endocrine-therapy-in-patients-with-metastatic-breast-cancer-a-retrospective-two-center-cohort-study
#2
Luwam Zewenghiel, Henrik Lindman, Antonis Valachis
BAKGROUND: The aim of this study was to investigate the impact of body mass index (BMI) on the efficacy of endocrine therapy in postmenopausal women with metastatic hormone receptor breast cancer (HR+BC) as well as to identify if the potential difference in efficacy was associated with Fulvestrant only or both aromatase inhibitors (AIs) and Fulvestrant. METHODS: A consecutive cohort of postmenopausal women with HR+metastatic breast cancer that have received endocrine therapy including Fulvestrant as a metastatic treatment strategy at the Departments of Oncology in Eskilstuna and Uppsala, Sweden, between 2008 and 2016 were identified...
May 18, 2018: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/29782974/molecular-therapy-using-sirna-recent-trends-and-advances-of-multi-target-inhibition-of-cancer-growth
#3
REVIEW
Shweta Jain, Kamla Pathak, Ankur Vaidya
RNA interference (RNAi) therapy, harnessed to produce a new class of drugs for treatment, has drawn attention and seen steady progress over the years. Molecular therapy using biological macromolecules small interfering RNA (siRNA) for gene silencing has received significant attention to target cancer-related genes. Basically, siRNA molecules bind to messenger RNAs (mRNA) by complementary base pairing, to induce degradation of the mRNA and/or block protein synthesis. Numerous genes and gene related proteins have been reported till date to target in siRNA based cancer therapy...
May 18, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29782850/histone-deacetylase-1-promotes-glioblastoma-cell-proliferation-and-invasion-via-activation-of-pi3k-akt-and-mek-erk-signaling-pathways
#4
Shun Li, Xiangrong Chen, Lifang Mao, Kashif Rafiq Zahid, Jun Wen, Liu Zhang, Maoying Zhang, Junwei Duan, Jie Duan, Xiaohong Yin, Yuanchuan Wang, Long Zhao, Xiaoping Tang, Xiangyu Wang, Guozheng Xu
Histone deacetylase 1 (HDAC1) plays a crucial role in cancer progression and development. This enzyme has been confirmed to be a key regulator of tumor biology functions, such as tumor cell proliferation, migration and invasion. However, HDAC1 expression in glioma remains controversial, and its specific function and molecular mechanism in glioblastoma is poorly understood. In this study, our findings demonstrated that protein and mRNA levels of HDAC1 were increased in glioma cell lines and glioma tissues compared to normal glial cell lines and non-neoplastic brain tissues, respectively...
May 18, 2018: Brain Research
https://www.readbyqxmd.com/read/29782828/long-noncoding-rna-sox2ot-contributes-to-gastric-cancer-progression-by-sponging-mir-194-5p-from-akt2
#5
Fei Qu, Peilong Cao
Gastric cancer (GC) is a highly malignant cancer with poor prognosis. Long non-coding RNA (LncRNA) may play an important role in tumor progression. Our present study aimed to explore the effect of LncRNA SOX2OT on GC progression. We observed that SOX2OT was overexpressed in GC tissues and cell lines. Overexpressed SOX2OT promoted cell proliferation and metastasis of GC cells (SGC-7901, TMK-1) and the phosphorylation of AKT2 as well, while knockdown of SOX2OT reversed these effects. Besides that, miR-194-5p was predicted to be a target of SOX2OT and decreased expression of miR-194-5p was observed in GC tissues and cell lines...
May 18, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29782706/biological-stimulus-driven-assembly-disassembly-of-functional-nanoparticles-for-targeted-delivery-controlled-activation-and-bioelimination
#6
REVIEW
Xi Hu, Fangyuan Li, Shuying Wang, Fan Xia, Daishun Ling
Nanoassembly technology has emerged as a powerful tool for targeted drug delivery and provides a basis for fabricating medical theranostic nanosystems. However, it is extremely difficult to concentrate nanoparticles at tumor sites, and the poor target-to-background ratio undoubtedly obstructs the accurate diagnosis and effective therapy of cancerous tissues. Importantly, the addition of biological stimulus-responsive groups to nanoassembly systems can enable a biological stimulus-driven assembly-disassembly mutual switch or structural composition/conformation change, thereby amplifying the imaging signal and/or enhancing the therapeutic effect...
May 21, 2018: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/29782618/liver-targeted-therapies-for-hepatocellular-carcinoma-prior-to-transplant-contemporary-management-strategies
#7
Mustafa Nazzal, Sameer Gadani, Abdullah Said, Mandy Rice, Obi Okoye, Ahmad Taha, Krista L Lentine
Hepatocellular carcinoma (HCC) is an aggressive neoplastic disease that has been rapidly increasing in incidence. It usually occurs in the background of liver disease, and cirrhosis. Definitive therapy requires surgical resection. However, in majority of cases surgical resection is not tolerated, especially in the presence of portal hypertension and cirrhosis. Orthotopic liver transplant (OLT) in well selected candidates has been accepted as a viable option. Due to a relative scarcity of donors compared to the number of listed recipients, long waiting times are anticipated...
April 2018: Glob Surg
https://www.readbyqxmd.com/read/29782610/castration-induces-satellite-cell-activation-that-contributes-to-skeletal-muscle-maintenance
#8
Alanna Klose, Wenxuan Liu, Nicole D Paris, Sophie Forman, John J Krolewski, Kent L Nastiuk, Joe V Chakkalakal
Background: Sarcopenia, the age-related loss of skeletal muscle, is a side effect of androgen deprivation therapy (ADT) for prostate cancer patients. Resident stem cells of skeletal muscle, satellite cells (SCs), are an essential source of progenitors for the growth and regeneration of skeletal muscle. Decreased androgen signaling and deficits in the number and function of SCs are features of aging. Although androgen signaling is known to regulate skeletal muscle, the cellular basis for ADT-induced exacerbation of sarcopenia is unknown...
2018: JCSM Rapid Commun
https://www.readbyqxmd.com/read/29782499/tgf%C3%AE-signaling-limits-lineage-plasticity-in-prostate-cancer
#9
Yi Hao, Glen A Bjerke, Karolina Pietrzak, Tiffany A Melhuish, Yu Han, Stephen D Turner, Henry F Frierson, David Wotton
Although treatment options for localized prostate cancer (CaP) are initially effective, the five-year survival for metastatic CaP is below 30%. Mutation or deletion of the PTEN tumor suppressor is a frequent event in metastatic CaP, and inactivation of the transforming growth factor (TGF) ß signaling pathway is associated with more advanced disease. We previously demonstrated that mouse models of CaP based on inactivation of Pten and the TGFß type II receptor (Tgfbr2) rapidly become invasive and metastatic...
May 21, 2018: PLoS Genetics
https://www.readbyqxmd.com/read/29782393/clinical-and-prognostic-value-of-18f-fdg-pet-ct-in-restaging-of-pancreatic-cancer
#10
Domenico Albano, Demetrio Familiari, Roberta Gentile, Salvatore Scalisi, Federico Midiri, Marco Messina, Massimiliano Spada, Maria C Fornito, Massimo Galia, Massimo Midiri, Pierpaolo Alongi
AIM: The aim of this retrospective multicentre study was to evaluate the clinical and prognostic effect of fluorine-18-fluorodeoxyglucose (F-FDG)-PET/computed tomography (CT) in the restaging process of pancreatic cancer (PC). MATERIALS AND METHODS: Data from patients treated for primary PC, who underwent F-FDG-PET/CT for suspicious of disease progression, were collected. Accuracy was assessed employing conventional diagnostic procedures, multidisciplinary team case notes, further F-FDG-PET/CT scans and/or follow-up...
May 18, 2018: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/29782365/utilization-of-an-alternative-docetaxel-based-intraperitoneal-chemotherapy-regimen-in-patients-with-ovarian-fallopian-tube-or-primary-peritoneal-carcinoma-a-continued-need-for-ovarian-cancer-patients
#11
David A Becker, Charles A Leath, Christen L Walters-Haygood, Brentley Q Smith, Kerri S Bevis
OBJECTIVE: The objective of this study was to report the tolerability and toxicity of a regimen consisting of intravenous (IV) docetaxel and intraperitoneal (IP) cisplatin and paclitaxel with granulocyte colony-stimulating factor support. MATERIALS AND METHODS: We conducted a retrospective cohort study of patients with surgical stage II-IV epithelial ovarian, fallopian tube or primary peritoneal carcinoma treated with an outpatient IP chemotherapy regimen consisting of docetaxel 75 mg/m IV and cisplatin 75 mg/m IP day 1 followed by paclitaxel 60 mg/m IP day 8 every 21 days...
May 18, 2018: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29782361/the-significance-of-para-aortic-nodal-size-and-the-role-of-adjuvant-systemic-chemotherapy-in-cervical-cancer-an-institutional-experience
#12
Dustin B Manders, Travis T Sims, April Bailey, Lindsay Hwang, Debra L Richardson, David S Miller, Siobhan M Kehoe, Kevin V Albuquerque, Jayanthi S Lea
OBJECTIVE: Cervical cancer metastatic to the para-aortic lymph nodes (PALNs) carries a poor prognosis. Despite extended-field radiation therapy (EFRT), only 30% to 50% of patients will survive 3 years. We sought to examine the treatment regimens used, associated toxicities, and treatment outcomes in patients with cervical cancer metastatic to PALN. METHODS: A retrospective review was performed of all patients with cervical cancer treated at a single institution between January 1, 2007 and November 1, 2014...
May 18, 2018: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29782360/a-phase-ii-study-of-celecoxib-with-irinotecan-5-fluorouracil-and-leucovorin-in-patients-with-previously-untreated-advanced-or-metastatic-colorectal-cancer
#13
Emerson Y Chen, Charles D Blanke, Daniel G Haller, Al B Benson, Tomislav Dragovich, Heinz-Josef Lenz, Carlos Robles, Hong Li, Motomi Mori, Nora Mattek, Rachel E Sanborn, Charles D Lopez
OBJECTIVE: Colorectal cancer (CRC) is the second leading cause of cancer death in the United States. Cyclooxygenase-2 (COX-2) overexpression is associated with increased tumor invasiveness and proliferation in CRC, and COX-2 inhibition has demonstrated chemopreventive activity. This study investigated the addition of celecoxib, a selective COX-2 inhibitor, to the irinotecan, 5-fluorouracil, and leucovorin (IFL) regimen for patients with previously untreated metastatic CRC. PATIENTS AND METHODS: Forty-seven patients enrolled in this single-arm phase II study received celecoxib at 400 mg orally twice daily in combination with weekly irinotecan (125 mg/m), 5-fluorouracil (500 mg/m), and leucovorin (20 mg/m) for 4 weeks every 6 weeks...
May 18, 2018: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29782359/brca1-mutations-associated-with-increased-risk-of-brain-metastases-in-breast-cancer-a-1-2-matched-pair-analysis
#14
Peter J Zavitsanos, David E Wazer, Jaroslaw T Hepel, Yihong Wang, Kamaljeet Singh, Kara L Leonard
BACKGROUND: Brain metastases (BM) occur in ∼5% of breast cancer patients. BRCA1-associated cancers are often basal-like and basal-like cancers are known to have a predilection for central nervous system metastases. We performed a matched-pair analysis of breast cancer patients with and without BRCA mutations and compared the frequency of BM in both groups. MATERIALS AND METHODS: From a database of 1935 patients treated for localized breast cancer at our institution from 2009 to 2014 we identified 20 patients with BRCA1 or BRCA2 mutations and manually matched 40 patients without BRCA mutations accounting for age, stage, estrogen receptor expression, and human epidermal growth factor receptor 2 (HER2) expression...
May 18, 2018: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29782212/national-impact-of-the-epec-pediatrics-enhanced-train-the-trainer-model-for-delivering-education-on-pediatric-palliative-care
#15
Kimberley Widger, Joanne Wolfe, Stefan Friedrichsdorf, Jason D Pole, Sarah Brennenstuhl, Stephen Liben, Mark Greenberg, Eric Bouffet, Harold Siden, Amna Husain, James A Whitlock, Myra Leyden, Adam Rapoport
BACKGROUND: Lack of pediatric palliative care (PPC) training impedes successful integration of PPC principles into pediatric oncology. OBJECTIVES: We examined the impact of an enhanced implementation of the Education in Palliative and End-of-Life Care for Pediatrics (EPEC® -Pediatrics) curriculum on the following: (1) knowledge dissemination; (2) health professionals' knowledge; (3) practice change; and (4) quality of PPC. DESIGN: An integrated knowledge translation approach was used with pre-/posttest evaluation of care quality...
May 21, 2018: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/29782069/efficacy-and-safety-of-nivolumab-in-non-small-cell-lung-cancer-with-preexisting-interstitial-lung-disease
#16
Osamu Kanai, Young Hak Kim, Yoshiki Demura, Makiko Kanai, Tsuyoshi Ito, Kohei Fujita, Hironori Yoshida, Masaya Akai, Tadashi Mio, Toyohiro Hirai
BACKGROUND: The risk of developing lung cancer is high in patients with interstitial lung disease (ILD), as few treatment options are available. Immune checkpoint inhibitors (ICI) are used for the treatment of non-small cell lung cancer (NSCLC) in clinical practice; however, in patients with preexisting ILD, the risk of ICI-related pneumonitis is unknown. We evaluated the efficacy and lung toxicity of nivolumab in patients with NSCLC and ILD. METHODS: We retrospectively reviewed the medical records of 216 NSCLC patients who had received nivolumab therapy...
May 21, 2018: Thoracic Cancer
https://www.readbyqxmd.com/read/29782018/novel-method-of-plasmid-dna-delivery-to-mouse-bladder-urothelium-by-electroporation
#17
Chuan Yu, Ofir Stefanson, Yueli Liu, Zhu A Wang
Genetically engineered mouse models (GEMMs) are extremely valuable in revealing novel biological insights into the initiation and progression mechanisms of human diseases such as cancer. Transgenic and conditional knockout mice have been frequently used for gene overexpression or ablation in specific tissues or cell types in vivo. However, generating germline mouse models can be time-consuming and costly. Recent advancements in gene editing technologies and the feasibility of delivering DNA plasmids by viral infection have enabled rapid generation of non-germline autochthonous mouse cancer models for several organs...
May 3, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29782011/a-preclinical-mouse-model-of-osteosarcoma-to-define-the-extracellular-vesicle-mediated-communication-between-tumor-and-mesenchymal-stem-cells
#18
Tonny Lagerweij, Maria Pérez-Lanzón, S Rubina Baglio
Within the tumor microenvironment, resident or recruited mesenchymal stem cells (MSCs) contribute to malignant progression in multiple cancer types. Under the influence of specific environmental signals, these adult stem cells can release paracrine mediators leading to accelerated tumor growth and metastasis. Defining the crosstalk between tumor and MSCs is of primary importance to understand the mechanisms underlying cancer progression and identify novel targets for therapeutic intervention. Cancer cells produce high amounts of extracellular vesicles (EVs), which can profoundly affect the behavior of target cells in the tumor microenvironment or at distant sites...
May 6, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29781803/tendency-of-k562-chronic-myeloid-leukemia-cells-towards-cell-reprogramming
#19
Açelya Yılmazer Aktuna
Cancer cell reprogramming is a potential tool to study cancer progression, disease pathology and drug sensitivity. Prior to performing cancer reprogramming studies, it is important to evaluate the stemness predisposition of cells that will be reprogrammed. Here, we performed a proof-of-concept study with chronic myeloid leukemia K562 cells in order to evaluate their tendency for cancer cell reprogramming. Expression of reprogramming factors, pluripotency markers and tumor-suppressor genes were analyzed at gene and protein level via real-time RT-PCR and flow cytometry...
May 21, 2018: Turkish Journal of Haematology: Official Journal of Turkish Society of Haematology
https://www.readbyqxmd.com/read/29781749/oncogenic-pkc-%C3%AE-activates-vimentin-during-epithelial-mesenchymal-transition-in-melanoma-a-study-based-on-pkc-%C3%AE-and-pkc-%C3%AE-specific-inhibitors
#20
Wishrawana S Ratnayake, Christopher A Apostolatos, André H Apostolatos, Ryan J Schutte, Monica A Huynh, David A Ostrov, Mildred Acevedo-Duncan
Melanoma is one of the fastest growing cancers in the United States and is accompanied with a poor prognosis owing to tumors being resistant to most therapies. Atypical protein kinase Cs (aPKC) are involved in malignancy in many cancers. We previously reported that aPKCs play a key role in melanoma's cell motility by regulating cell signaling pathways which induce epithelial-mesenchymal Transition (EMT). We tested three novel inhibitors; [4-(5-amino-4-carbamoylimidazol-1-yl)-2,3-dihydroxycyclopentyl] methyl dihydrogen phosphate (ICA-1T) along with its nucleoside analog 5-amino-1-((1R,2S,3S,4R)-2,3-dihydroxy-4-methylcyclopentyl)-1H-imidazole-4-carboxamide (ICA-1S) which are specific to protein kinase C-iota (PKC-ι) and 8-hydroxy-1,3,6-naphthalenetrisulfonic acid (ζ-Stat) which is specific to PKC-zeta (PKC-ζ) on cell proliferation, apoptosis, migration and invasion of two malignant melanoma cell lines compared to normal melanocytes...
May 21, 2018: Cell Adhesion & Migration
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