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https://www.readbyqxmd.com/read/28430874/developmental-sall2-transcription-factor-a-new-player-in-cancer
#1
Viviana E Hermosilla, Matias I Hepp, David Escobar, Carlos Farlas, Elizabeth N Riffo, Ariel F Castro, Roxana Pincheira
SALL2, also known as Spalt-like transcription factor 2, is a member of the SALL family of transcription factors involved in development and conserved through evolution. Since its identification in 1996, findings indicate that SALL2 plays a role in neurogenesis, neuronal differentiation and eye development. Consistently, SALL2 deficiency associates with neural tube defects and coloboma, a congenital eye disease. Relevant to cancer, clinical studies indicate that SALL2 is deregulated in various cancers, and is a specific biomarker for Synovial Sarcoma...
April 18, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28428969/targeted-lung-cancer-treatments-and-eye-metastasis
#2
REVIEW
Paul Zarogoulidis, Sofia Baka, Sofia Labaki, George Lazaridis, Georgia Trakada
Lung cancer remains the leading cause of death due to cancer. We do not have effective tools for the early detection of lung cancer, so patients are usually diagnosed at an advanced stage. However, novel therapies based on molecular pathways (such as those involving the epidermal growth factor receptor, anaplastic lymphoma kinase, serine/threonine-protein kinase B-Raf, proto-oncogene tyrosine-protein kinase ROS, c-Met proto-oncogene protein, and RET proto-oncogene protein) are now commonly used in the treatment of lung cancer...
2017: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/28425625/a-missense-mutation-in-damage-specific-dna-binding-protein-2-is-a-genetic-risk-factor-for-limbal-squamous-cell-carcinoma-in-horses
#3
Rebecca R Bellone, Jiayin Liu, Jessica L Petersen, Maura Mack, Moriel Singer-Berk, Cord Drögemüller, Julia Malvick, Barbara Wallner, Gottfried Brem, M Cecilia Penedo, Mary Lassaline
Squamous cell carcinoma (SCC) is the most common cancer of the equine eye, frequently originating at the limbus, with the potential to invade the cornea, cause visual impairment, and result in loss of the eye. Several breeds of horses have a high occurrence of limbal SCC implicating a genetic basis for limbal SCC predisposition. Pedigree analysis in the Haflinger breed supports a simple recessive mode of inheritance and a genome wide association study (N=23) identified a 1.5 Mb locus on ECA12 significantly associated with limbal SCC (Pcorrected = 0...
April 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28415812/signal-transduction-growth-factors-the-effective-governance-of-transcription-and-cellular-adhesion-in-cancer-invasion
#4
REVIEW
Marina Di Domenico, Antonio Giordano
Giulio Bizzozero classified the tissues concerning their capacity to self-renew during the adult life in labile, stable and permanent tissues. In 1940 Viktor Hamburger and Rita Levi Montalcini exposed the possibility to induce the growth of permanent cells thanks to a specific ligand Nerve Growth Factor (NGF). Stanley Cohen purified a protein the Epidermal Growth Factor (EGF), able to induce epidermis proliferation and to elicit precocious eye disclosure and teeth eruption, establishing the "inverse" relationships between the proliferation and differentiation...
March 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28413405/intravitreal-aflibercept-in-recalcitrant-radiation-maculopathy-due-to-external-beam-radiotherapy-for-nasopharyngeal-cancer-a-first-case-report
#5
Eleni Loukianou, Georgia Loukianou
PURPOSE: To present the safety and efficacy of intravitreal aflibercept (Eylea) in a patient with radiation maculopathy secondary to external beam radiotherapy for nasopharyngeal cancer unresponsive to other therapeutic options. METHODS: A 73-year-old female presented with decreased visual acuity in both eyes 18 months after completing 47 external beam cycles of radiation for nasopharyngeal cancer. On presentation, her best corrected visual acuity was 6/60 in the right eye and counting fingers from 1 meter in the left eye...
January 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28413391/minocycline-induced-hyperpigmentation-in-a-patient-treated-with-erlotinib-for-non-small-cell-lung-adenocarcinoma
#6
Ann T Bell, John W Roman, Max L Gratrix, Christina E Brzezniak
INTRODUCTION: While epidermal growth factor receptor (EGFR) inhibitors have improved progression-free survival in patients with non-small cell lung cancer (NSCLC), one of the most common adverse effects is papulopustular skin eruption, which is frequently severe enough to be treated with oral minocycline or doxycycline. CASE: We present a case of an 87-year-old man who developed a severe papulopustular skin eruption secondary to erlotinib therapy for NSCLC. Control of the eruption with 100 mg of minocycline twice daily for 8 months eventually led to blue-gray skin hyperpigmentation...
January 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28412530/indoles-as-therapeutics-of-interest-in-medicinal-chemistry-bird-s-eye-view
#7
REVIEW
Navriti Chadha, Om Silakari
Indoles constitute extensively explored heterocyclic ring systems with wide range of applications in pathophysiological conditions that is, cancer, microbial and viral infections, inflammation, depression, migraine, emesis, hypertension, etc. Presence of indole nucleus in amino acid tryptophan makes it prominent in phytoconstituents such as perfumes, neurotransmitters, auxins (plant hormones), indole alkaloids etc. The interesting molecular architecture of indole makes them suitable candidates for the drug development...
April 5, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28411630/an-immunochromatographic-assay-for-carcinoembryonic-antigen-on-cotton-thread-using-a-composite-of-carbon-nanotubes-and-gold-nanoparticles-as-reporters
#8
Xiaobo Jia, Tingting Song, Yan Liu, Lili Meng, Xun Mao
This paper describes a low-cost, sensitive, visual and rapid immunochromatographic assay method on cotton thread for carcinoembryonic antigen (CEA) detection by using novel carbon nanotube/gold nanoparticles (CNT/GNPs) nanocomposite reporter probe. CEA, a lung cancer protein biomarker, was used as analyte to demonstrate the principle of the immunochromatographic assay on cotton thread biosensor. In the presence of target CEA, the decreasing aggregation amount of CNT/GNPs nanocomposite reporter probes on the test zone induced directly readout by naked eye...
May 29, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28411256/epigenetically-induced-ectopic-expression-of-uncx-impairs-the-proliferation-and-differentiation-of-myeloid-cells
#9
Giulia Daniele, Giogia Simonetti, Caterina Fusilli, Ilaria Iacobucci, Angelo Lonoce, Antonio Palazzo, Mariana Lomiento, Fabiana Mammoli, Rene' Massimiliano Marsano, Elena Marasco, Vilma Mantovani, Hilmar Quentmeier, Hans G Drexler, Jie Ding, Orazio Palumbo, Massimo Carella, Niroshan Nadarajah, Margherita Perricone, Emanuela Ottaviani, Carmen Baldazzi, Nicoletta Testoni, Cristina Papayannidis, Sergio Ferrari, Tommaso Mazza, Giovanni Martinelli, Clelia Tiziana Storlazzi
We here describe a leukemogenic role of the homeobox gene UNCX, activated by epigenetic modifications in acute myeloid leukemia. We found the ectopic activation of UNCX in a leukemia patient harboring a t(7;10)(p22;p14) translocation, in 22/61 of additional cases [a total of 23 positive patients out of 62 (37.1%)], and in 6/75 (8%) of acute myeloid leukemia cell lines. UNCX is embedded within a low-methylation region (canyon) and encodes for a transcription factor involved in somitogenesis and neurogenesis, with specific expression in the eye, brain, and kidney...
April 14, 2017: Haematologica
https://www.readbyqxmd.com/read/28399596/antral-follicles-count-and-anti-m%C3%A3-llerian-hormone-levels-after-gonadotoxic-chemotherapy-in-patients-with-breast-cancer-cohort-study
#10
Ângela Marcon D'Avila, Edison Capp, Helena von Eye Corleta
Aim To assess ovarian reserve (OVR) by means of follicle-stimulating hormone (FSH), anti-Müllerian hormone (AMH), and antral follicle count (AFC) measurement in eumenorrheic women with breast cancer, exposed to gonadotoxic chemotherapy. Method Fifty-two women (35.3 ± 3.8 years old) with breast cancer and undergoing cyclophosphamide-containing chemotherapy were enrolled. The assessment was performed before chemotherapy (T1) and after 2 (T2) and 6 months (T3). Results Six months after chemotherapy, the prevalence of regular cycles was 60%...
April 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28399338/genetics-and-molecular-diagnostics-in-retinoblastoma-an-update
#11
Sameh E Soliman, Hilary Racher, Chengyue Zhang, Heather MacDonald, Brenda L Gallie
Retinoblastoma is the prototype genetic cancer: in one or both eyes of young children, most retinoblastomas are initiated by biallelic mutation of the retinoblastoma tumor suppressor gene, RB1, in a developing retinal cell. All those with bilateral retinoblastoma have heritable cancer, although 95% have not inherited the RB1 mutation. Non-heritable retinoblastoma is always unilateral, with 98% caused by loss of both RB1 alleles from the tumor, whereas 2% have normal RB1 in tumors initiated by amplification of the MYCN oncogene...
March 2017: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/28384611/bid-links-ferroptosis-to-mitochondrial-cell-death-pathways
#12
Sandra Neitemeier, Anja Jelinek, Vincenzo Laino, Lena Hoffmann, Ina Eisenbach, Roman Eying, Goutham K Ganjam, Amalia M Dolga, Sina Oppermann, Carsten Culmsee
Ferroptosis has been defined as an oxidative and iron-dependent pathway of regulated cell death that is distinct from caspase-dependent apoptosis and established pathways of death receptor-mediated regulated necrosis. While emerging evidence linked features of ferroptosis induced e.g. by erastin-mediated inhibition of the Xc(-) system or inhibition of glutathione peroxidase 4 (Gpx4) to an increasing number of oxidative cell death paradigms in cancer cells, neurons or kidney cells, the biochemical pathways of oxidative cell death remained largely unclear...
March 9, 2017: Redox Biology
https://www.readbyqxmd.com/read/28378525/risk-and-associated-risk-factors-of-hospitalization-for-specific-health-problems-over-time-in-childhood-cancer-survivors-a-medical-record-linkage-study
#13
Anna Font-Gonzalez, Elizabeth Lieke A M Feijen, Ronald B Geskus, Marcel G W Dijkgraaf, Helena J H van der Pal, Richard C Heinen, Monique W Jaspers, Flora E van Leeuwen, J B Johannes Reitsma, Hubert N Caron, Elske Sieswerda, Leontien C Kremer
Childhood cancer survivors (CCS) experience higher hospitalization rates compared to the general population for neoplasms, circulatory diseases, endocrine/nutritional/metabolic diseases and eye disorders. We studied trends in hospitalization rates and associated patient and treatment-specific risk factors for diagnosis subgroups among these four diseases. We performed medical record linkage of a ≥5-year CCS cohort with national registers, and obtained a random reference sample matched on age, gender and calendar year per CCS...
April 4, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28376556/-uveal-melanoma-cell-under-oxidative-stress-influence-of-vegf-and-vegf-inhibitors
#14
M Dithmer, A M Kirsch, L Gräfenstein, F Wang, H Schmidt, S E Coupland, S Fuchs, J Roider, A K Klettner
Background The role of oxidative stress in cancer is complex. While the pathological alterations induced by oxidative stress may be involved in the induction of tumours, in the late stages of tumour development, it can facilitate the loss of tumour cells and might even prevent metastasis. Tumour cells show metabolic alterations, often inducing an increased production of reactive oxygen species, which makes these cells particularly vulnerable to additional oxidative stress. This is an important mode of action in the use of many chemotherapeutics and in the application of ionizing radiation...
April 4, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28371599/formyl-peptide-receptor-polymorphisms-27-most-possible-ways-for-phagocyte-dysfunction
#15
REVIEW
S S Skvortsov, A G Gabdoulkhakova
Formyl peptide receptors (FPRs) expressed by mammalian myeloid cells are the important part of innate immunity. They belong to the seven-transmembrane domain class of receptors coupled to heterotrimeric GTP-binding proteins. Binding of the receptor with a wide spectrum of exogenous and endogenous ligands triggers such defensive phagocyte reactions as chemotaxis, secretory degranulation, and respiratory burst, keeping a balance of inflammatory and antiinflammatory processes in the organism. The association between single nucleotide polymorphisms in the gene of FPR1 receptor resulting in disruption of the receptor structure and the development of certain pathologies accompanied with inflammation, such as aggressive periodontitis, macular degeneration, and even gastric cancer (Maney, P...
April 2017: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/28369126/biocompatible-astaxanthin-as-a-novel-marine-oriented-agent-for-dual-chemo-photothermal-therapy
#16
Van Phuc Nguyen, Sung Won Kim, Hanna Kim, Hyejin Kim, Kwang Hyuk Seok, Min Jung Jung, Yeh-Chan Ahn, Hyun Wook Kang
The photothermal effect of a marine-oriented xanthophyll carotenoid, astaxanthin (AXT), was characterized based on its potential absorption of visible laser light and conversion of optical light energy into heat for thermal treatment. As an antioxidant and anticancer agent, AXT extracted from marine material can be utilized for photothermal therapy due to its strong light absorption. The current study investigated the feasibility of the marine-based material AXT to increase the therapeutic efficacy of chemo-photothermal therapy (PTT) by assessing photothermal sessions in both cells and tumor tissues...
2017: PloS One
https://www.readbyqxmd.com/read/28359849/a-review-on-traditional-uses-phytochemistry-pharmacology-pharmacokinetics-and-toxicology-of-the-genus-peganum
#17
REVIEW
Shuping Li, Xuemei Cheng, Changhong Wang
ETHNOPHARMACOLOGICAL RELEVANCE: The plants of the genus Peganum have a long history as a Chinese traditional medicine for the treatment of cough, hypertension, diabetes, asthma, jaundice, colic, lumbago, and many other human ailments. Additionally, the plants can be used as an amulet against evil-eye, dye and so on, which have become increasingly popular in Asia, Iran, Northwest India, and North Africa. AIM OF THE REVIEW: The present paper reviewed the ethnopharmacology, phytochemistry, analytical methods, biological activities, metabolism, pharmacokinetics, toxicology, and drug interaction of the genus Peganum in order to assess the ethnopharmacological use and to explore therapeutic potentials and future opportunities for research...
March 27, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28356703/differential-responses-of-choroidal-melanocytes-and-uveal-melanoma-cells-to-low-oxygen-conditions
#18
Cindy Weidmann, Jade Pomerleau, Laurence Trudel-Vandal, Solange Landreville
PURPOSE: Tissue culture is traditionally performed at atmospheric oxygen concentration (21%), which induces hyperoxic stress, as endogenous physiologic oxygen tension found in tissues varies between 2% and 9%. This discrepancy may lead to misinterpretation of results and may explain why effects observed in vitro cannot always be reproduced in vivo and vice versa. Only a few studies have been conducted in low physiologic oxygen conditions to understand the development and differentiation of cells from the eye...
2017: Molecular Vision
https://www.readbyqxmd.com/read/28351058/central-macular-thickness-monitoring-after-a-taxane-based-therapy-in-visually-asymptomatic-patients
#19
Elias Chelala, Nicolas Arej, Joelle Antoun, Hampig Raphael Kourie, Karen Zaarour, Fady Ghassan Haddad, Fadi Farhat, Fadi El Karak, Joseph Kattan
BACKGROUND: Taxanes are drugs used in various chemotherapeutical protocols to treat solid tumors. They have multiple systemic adverse effects, such as bone marrow suppression, alopecia, nausea, and vomiting, and may rarely cause ocular symptoms. In the past decade, a few reported cases have shown the occurrence of a cystoid macular edema with significant visual loss after the use of a taxane-based chemotherapy. The aim of this study was to compare the central macular thickness (CMT) before and after the initiation of a taxane-based therapy in visually asymptomatic patients and to elucidate the possible impact of these drugs on the vision of cancer patients...
2017: Chemotherapy
https://www.readbyqxmd.com/read/28341695/cancer-associated-epiphora-a-retrospective-analysis-of-referrals-to-a-tertiary-oculoplastic-practice
#20
Sunah Kang, Ji Won Seo, Ho-Seok Sa
AIM: To report the underlying causes and treatment outcome of lacrimal drainage obstruction in patients with cancer-associated epiphora. METHODS: A single-centre retrospective review was performed for consecutive referrals to an oculoplastic surgeon for cancer-associated epiphora between 2010 and 2016. Charts were reviewed for underlying neoplastic conditions, pharmacy records, radiotherapy records, levels of obstruction of the lacrimal drainage apparatus and treatment methods and outcome...
March 23, 2017: British Journal of Ophthalmology
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