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https://www.readbyqxmd.com/read/28350964/promoting-vaginal-distribution-of-e7-and-mcl-1-sirna-silencing-nanoparticles-for-cervical-cancer-treatment
#1
Anna Lechanteur, Tania Furst, Brigitte Evrard, Philippe Delvenne, Geraldine Piel, Pascale Hubert
There is an urgent need to develop a less aggressive and more effective treatment against cervical lesions induced by different high-risk human papillomavirus (HR-HPV). We investigated the potential of a cocktail of small interfering RNA (siRNA) directed against the oncoprotein E6 (E6), the oncoprotein E7 (E7) and/or the anti-apoptotic protein MCL-1 (MCL-1). The combination of siRNA anti-E7 and anti-MCL-1 demonstrated high efficacy on multiple HPV16 and HPV18 cell lines and no effects on healthy keratinocytes...
March 28, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28350945/intervertebral-disk-degeneration-and-repair
#2
James Dowdell, Mark Erwin, Theodoe Choma, Alexander Vaccaro, James Iatridis, Samuel K Cho
Intervertebral disk (IVD) degeneration is a natural progression of the aging process. Degenerative disk disease (DDD) is a pathologic condition associated with IVD that has been associated with chronic back pain. There are a variety of different mechanisms of DDD (genetic, mechanical, exposure). Each of these pathways leads to a final common result of unbalancing the anabolic and catabolic environment of the extracellular matrix in favor of catabolism. Attempts have been made to gain an understanding of the process of IVD degeneration with in Vitro studies...
March 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28350751/time-trends-in-the-epidemiology-and-outcome-of-perianal-fistulizing-crohn-s-disease-in-a-population-based-cohort
#3
Kevin W A Göttgens, Steven F G Jeuring, Rosel Sturkenboom, Mariëlle J L Romberg-Camps, Liekele E Oostenbrug, Daisy M A E Jonkers, Laurents P S Stassen, Ad A M Masclee, Marieke J Pierik, Stéphanie O Breukink
OBJECTIVE: Perianal disease is a debilitating condition that frequently occurs in Crohn's disease (CD) patients. It is currently unknown whether its incidence has changed in the era of frequent immunomodulator use and biological availability. We studied the incidence and outcome of perianal and rectovaginal fistulas over the past two decades in our population-based Inflammatory Bowel Disease South-Limburg cohort. PATIENTS AND METHODS: All 1162 CD patients registered in the Inflammatory Bowel Disease South-Limburg registry were included...
May 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28350668/regeneration-of-vascularized-corticocancellous-bone-and-diploic-space-using-muscle-derived-stem-cells-a-translational-biologic-alternative-for-healing-critical-bone-defects
#4
Denver Lough, Edward Swanson, Nikolai A Sopko, Christopher Madsen, Devin Miller, Howard Wang, Qiongyu Guo, Srinivas M Sursala, Anand R Kumar
BACKGROUND: Regeneration of functional bone substrate remains a priority in reconstructive surgery especially for patients suffering from complex skeletal defects. Efforts to develop implantable osteoinductive constructs and novel osteoconductive materials remain at the forefront of industry forces and product line development. Despite advancement in clinical practice and bone biology, cancellous autograft remains the gold standard for procedures requiring osteogenic mechanisms of healing...
April 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28350555/apheresis-in-food-allergies
#5
Lamia Dahdah, Giovanna Leone, Mariacristina Artesani, Carla Riccardi, Oscar Mazzina
PURPOSE OF REVIEW: The prevalence of IgE-mediated food allergy and anaphylaxis has risen rapidly in developed countries, and countries with rapid industrialization may follow. Therapies include elimination diets, Oral ImmunoTherapy, and the administration of biologics, but high serum IgE levels may preclude their use. Consequently, decreasing IgE becomes a rational approach and could be obtained by immunoapheresis. The aim of this review is to evaluate the rationale and advantages of immunoapheresis...
March 27, 2017: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28350532/urethral-proteomic-analysis-in-ovariectomized-mice-administered-17%C3%AE-oestradiol-replacement-therapy
#6
Huey-Yi Chen, Yu-Ning Lin, Wen-Chi Chen, Shih-Jing Wang, Chao-Jung Chen, Yung-Hsiang Chen
The molecular mechanism by which 17β-oestradiol (E2) increases urethral tone is unclear. As human tissue is limited in availability, we explored changes in the urethras of ovariectomized (OVX) mice. Twenty-four virgin female mice were randomised into three groups: mice with a sham operation only (control), OVX mice without E2 replacement (OVX), and OVX mice with E2 replacement (OVX + E2). Two weeks after the ovariectomy, mice received either E2 or placebo for 4 weeks. Leak point pressure (LPP) and maximum urethral closure pressure (MUCP) were assessed in these mice at 6 weeks after OVX, under anaesthesia...
March 28, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28346381/multifaceted-applications-of-chitosan-in-cancer-drug-delivery-and-therapy
#7
REVIEW
Anish Babu, Rajagopal Ramesh
Chitosan is a versatile polysaccharide of biological origin. Due to the biocompatible and biodegradable nature of chitosan, it is intensively utilized in biomedical applications in scaffold engineering as an absorption enhancer, and for bioactive and controlled drug release. In cancer therapy, chitosan has multifaceted applications, such as assisting in gene delivery and chemotherapeutic delivery, and as an immunoadjuvant for vaccines. The present review highlights the recent applications of chitosan and chitosan derivatives in cancer therapy...
March 27, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28346378/dna-repair-pathway-alterations-in-bladder-cancer
#8
REVIEW
Kent W Mouw
Most bladder tumors have complex genomes characterized by a high mutation burden as well as frequent copy number alterations and chromosomal rearrangements. Alterations in DNA repair pathways-including the double-strand break (DSB) and nucleotide excision repair (NER) pathways-are present in bladder tumors and may contribute to genomic instability and drive the tumor phenotype. DNA damaging such as cisplatin, mitomycin C, and radiation are commonly used in the treatment of muscle-invasive or metastatic bladder cancer, and several recent studies have linked specific DNA repair pathway defects with sensitivity to DNA damaging-based therapy...
March 27, 2017: Cancers
https://www.readbyqxmd.com/read/28346060/stem-cell-derived-neurons-in-the-development-of-targeted-treatment-for-schizophrenia-and-bipolar-disorder
#9
Bradley Watmuff, Bangyan Liu, Rakesh Karmacharya
The recent advent of induced pluripotent stem cells has enabled the study of patient-specific and disease-related neurons in vitro and has facilitated new directions of inquiry into disease mechanisms. With these approaches, we now have the possibility of correlating ex vivo cellular phenotypes with individual patient response to treatment and/or side effects, which makes targeted treatments for schizophrenia and bipolar disorder a distinct prospect in the coming years. Here, we briefly review the current state of stem cell-based models and explore studies that are providing new insights into the disease biology of schizophrenia and bipolar disorder, which are laying the foundations for the development of novel targeted therapies...
March 27, 2017: Pharmacogenomics
https://www.readbyqxmd.com/read/28346037/prognostic-significance-of-granulomas-in-children-with-crohn-s-disease
#10
Benjamin Rothschild, Firas Rinawi, Yonatan Herman, Osnat Nir, Raanan Shamir, Amit Assa
OBJECTIVES: Granulomas have long been considered the histological hallmark of Crohn's disease (CD). Currently, there is considerable dispute with regards to their prognostic implications. We aimed to determine the effect of granulomas on phenotypic features and disease's long-term outcomes in a large cohort of pediatric CD patients. MATERIALS AND METHODS: Medical records of pediatric CD patients diagnosed at the Schneider Children's Medical Center were reviewed retrospectively...
March 27, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28345737/-meningeal-carcinomatosis-in-breast-cancer-from-diagnosis-to-treatment
#11
REVIEW
C Elm'hadi, Z Es Sbai, M Reda Khmamouche, M Toreis, R Tanz, H Errihani, M Ichou
The appearance of meningeal carcinomatosis in breast cancer is an event that is being reported increasingly more frequently in the literature. It seems to be related with the lengthening of the patients' lives, improved sensitivity to diagnostic imaging and impermeability of the blood-brain barrier to the chemotherapeutic agents. It is an evolutionary form that affirms the metastatic invasion of the subarachnoidal space and is correlated with limited survival. Its diagnosis is difficult, due to the lack of specificity of the clinical signs dominated by headaches, cognitive disorders and possible signs and symptoms of progressive focal lesions...
April 1, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28345638/lectin-like-oxidized-low-density-lipoprotein-receptor-1-facilitates-metastasis-of-gastric-cancer-through-driving-epithelial-mesenchymal-transition-and-pi3k-akt-gsk3%C3%AE-activation
#12
Can Li, Jie Zhang, Hao Wu, Lili Li, Caiting Yang, Shushu Song, Peike Peng, Miaomiao Shao, Mingming Zhang, Junjie Zhao, Ran Zhao, Weicheng Wu, Yuanyuan Ruan, Lan Wang, Jianxin Gu
Lectin-like oxidized low-density lipoprotein receptor-1 (LOX-1) is a pattern recognition receptor that plays a critical role in vascular diseases and host immune response. Recently, our research discovered that LOX-1 could facilitate the uptake of dying cells and cross-presentation of cellular antigen via binding with heat shock proteins, which have a close relationship with gastric neoplasia. Therefore, we speculated that LOX-1 may serve as an oncogene in gastric cancer (GC) development and progression. In this study, through immunohistochemistry staining assay and cancer-related databases, we found that LOX-1 expression was up-regulated in GC tissues and correlated with a poor prognosis in GC patients...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28345000/syngeneic-aav-pseudo-particles-potentiate-gene-transduction-of-aav-vectors
#13
Qizhao Wang, Biao Dong, Katie A Pokiniewski, Jenni Firrman, Zhongren Wu, Mario P S Chin, Xiongwen Chen, LinShu Liu, Ruian Xu, Yong Diao, Weidong Xiao
Adeno-associated virus (AAV) vectors have emerged as a safe and efficient gene therapy platform. One complication is that a significant amount of empty particles have always been generated as impurities during AAV vector production. However, the effects of such particles on AAV vector performance remain unclear. Here we systemically evaluated the biological properties of three types of "empty" AAV particles: syngeneic pseudo-vectors with partial AAV genomes derived from DNA of the corresponding full particles, allogeneic pseudo-vectors with partial genomes different from the corresponding full particles, and null pseudo-vectors with no DNA inside the capsids...
March 17, 2017: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/28344863/tumor-infiltrating-lymphocytes-tils-from-patients-with-glioma
#14
Zhenjiang Liu, Qingda Meng, Jiri Bartek, Thomas Poiret, Oscar Persson, Lalit Rane, Elena Rangelova, Christopher Illies, Inti Harvey Peredo, Xiaohua Luo, Martin Vijayakumar Rao, Rebecca Axelsson Robertson, Ernest Dodoo, Markus Maeurer
Tumor-infiltrating lymphocytes (TILs) may represent a viable source of T cells for the biological treatment of patients with gliomas. Glioma tissue was obtained from 16 patients, tumor cell lines were established, and TILs were expanded in 16/16 cases using a combination of IL-2/IL-15/IL-21. Intracellular cytokine staining (ICS, IL-2, IL-17, TNFα and IFNγ production) as well as a cytotoxicity assay was used to detect TIL reactivity against autologous tumor cells or shared tumor-associated antigens (TAAs; i...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28344818/will-bevacizumab-biosimilars-impact-the-value-of-systemic-therapy-in-gynecologic-cancers
#15
REVIEW
Bradley J Monk, Warner K Huh, Julie Ann Rosenberg, Ira Jacobs
OBJECTIVE: Bevacizumab is an important component in the treatment of various cancers, and despite guidelines recommending its use in both ovarian and cervical cancer, patient access to bevacizumab and other angiogenesis inhibitors is limited. Biosimilars are large, structurally complex molecules that are intended to be highly similar to, and treat the same condition(s) as, an existing licensed or approved (reference) biologic, with no clinically meaningful differences in purity, potency and safety...
2017: Gynecologic Oncology Research and Practice
https://www.readbyqxmd.com/read/28344814/the-role-of-chemotherapy-and-new-targeted-agents-in-the-management-of-primary-prostate-cancer
#16
Sanjeev Srinivas Kumar, Simon Pacey
While early treatment of primary prostate cancer is very effective, the incidence of primary prostate cancer continues to rise and therefore the detection of men with high-risk non-metastatic prostate cancer and their subsequent management is becoming increasingly important. There continues to be no molecularly-targeted or chemotherapeutic options with proven, statistically significant survival benefit in this setting. However, there are indications that further risk stratification using molecular features could potentially help distinguish indolent from aggressive prostate cancer, ultimately providing biological markers that could guide a more personalised approach to therapy selection...
December 2016: Journal of Clinical Urology
https://www.readbyqxmd.com/read/28344749/heavily-calcified-gastrointestinal-stromal-tumors-pathophysiology-and-implications-of-a-rare-clinicopathologic-entity
#17
Massimiliano Salati, Giulia Orsi, Luca Reggiani Bonetti, Fabrizio Di Benedetto, Giuseppe Longo, Stefano Cascinu
Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal neoplasms of the gastrointestinal tract, and are characterized by a broad spectrum of clinical, histological and molecular features at presentation. Although focal and scattered calcifications are not uncommon within the primary tumor mass, heavy calcification within a GIST is rarely described in the literature and the clinical-biological meaning of this feature remains unclear. Cases with such an atypical presentation are challenging and may be associated with diagnostic pitfalls...
March 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28344603/isobio-software-biological-dose-distribution-and-biological-dose-volume-histogram-from-physical-dose-conversion-using-linear-quadratic-linear-model
#18
Tanwiwat Jaikuna, Phatchareewan Khadsiri, Nisa Chawapun, Suwit Saekho, Ekkasit Tharavichitkul
PURPOSE: To develop an in-house software program that is able to calculate and generate the biological dose distribution and biological dose volume histogram by physical dose conversion using the linear-quadratic-linear (LQL) model. MATERIAL AND METHODS: The Isobio software was developed using MATLAB version 2014b to calculate and generate the biological dose distribution and biological dose volume histograms. The physical dose from each voxel in treatment planning was extracted through Computational Environment for Radiotherapy Research (CERR), and the accuracy was verified by the differentiation between the dose volume histogram from CERR and the treatment planning system...
February 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28344597/high-biologically-effective-dose-radiation-therapy-using-brachytherapy-in-combination-with-external-beam-radiotherapy-for-high-risk-prostate-cancer
#19
Keisei Okamoto, Akinori Wada, Naoaki Kohno
PURPOSE: To evaluate the outcomes of high-risk prostate cancer patients treated with biologically effective dose (BED) ≥ 220 Gy of high-dose radiotherapy, using low-dose-rate (LDR) brachytherapy in combination with external beam radiotherapy (EBRT) and short-term androgen deprivation therapy (ADT). MATERIAL AND METHODS: From 2005 to 2013, a total of 143 patients with high-risk prostate cancer were treated by radiotherapy of BED ≥ 220 Gy with a combination of LDR brachytherapy, EBRT, and androgen deprivation therapy (ADT)...
February 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28343898/comparison-of-human-mesenchymal-stromal-cells-from-four-neonatal-tissues-amniotic-membrane-chorionic-membrane-placental-decidua-and-umbilical-cord
#20
Anelise Bergmann Araújo, Gabrielle Dias Salton, Juliana Monteiro Furlan, Natália Schneider, Melissa Helena Angeli, Álvaro Macedo Laureano, Lúcia Silla, Eduardo Pandolfi Passos, Ana Helena Paz
BACKGROUND: Mesenchymal stromal cells (MSCs) are being investigated as a potential alternative for cellular therapy. This study was designed to compare the biological characteristics of MSCs isolated from amniotic membrane (A-MSCs), chorionic membrane (C-MSCs), placental decidua (D-MSCs) and umbilical cord (UC-MSCs) to ascertain whether any one of these sources is superior to the others for cellular therapy purposes. METHODS: MSCs were isolated from amniotic membrane, chorionic membrane, umbilical cord and placental decidua...
March 23, 2017: Cytotherapy
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