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Silvia De Pauli, Sara Lega, Serena Pastore, Domenico Leonardo Grasso, Anna Monica Rosaria Bianco, Giovanni Maria Severini, Alberto Tommasini, Andrea Taddio
AIM: To describe the frequency and clinical characteristics of patients with undifferentiated periodic fever (UPF) and to investigate whether a clinical classification of UPF based on the PRINTO-Eurofever score can help predicting the response to treatment and the outcome at follow-up. METHODS: Clinical and therapeutic information of patients with recurrent fever who presented at a single pediatric rheumatology center from January 2006 through April 2016 were retrospectively collected...
February 8, 2018: World Journal of Clinical Pediatrics
Qi-Qing Li, Jian Zhang, Ji-Hua Liu, Bo-Yang Yu
Andrographis paniculata (Burm. f.) Nees (AP) is commonly used for the treatment of many infectious diseases and has been cultivated widely in Asian countries, and has been included in United States Pharmacopoeia as a dietary supplement, but the cultivars of A. paniculata are not abundant due to its self-pollinated. With the aims to enrich AP resources and provide materials for after breeding we explored the polyploidy induction. Different explants, colchicine concentration, and treatment time were tested. After identification by flow cytometry, eleven polyploid plants with different morphologic traits were obtained...
February 2018: Chinese Journal of Natural Medicines
Bilade Cherqaoui, Linda Rossi-Semerano, Sophie Georgin-Lavialle, Perrine Dusser, Caroline Galeotti, Maryam Piram, Véronique Hentgen, Isabelle Touitou, Isabelle Koné-Paut
OBJECTIVES: Children with Familial Mediterranean fever may suffer from musculoskeletal involvement, somewhat difficult to distinguish from juvenile spondyloarthritis. The association of these two diseases has been scarcely reported in children. Objectives of this work were to define the association of familial Mediterranean fever and juvenile spondyloarthritis in France. METHODS: Three cohorts of children with familial Mediterranean fever, juvenile spondyloarthritis, familial Mediterranean fever related juvenile spondyloarthritis, were retrospectively identified in the French reference center of auto-inflammatory diseases...
February 13, 2018: Joint, Bone, Spine: Revue du Rhumatisme
Fatma Yazılıtaş, Özlem Aydoğ, Sare Gülfem Özlü, Evrim Kargın Çakıcı, Tülin Güngör, Fehime Kara Eroğlu, Gökçe Gür, Mehmet Bülbül
Familial Mediterranean fever (FMF), the most common hereditary autoinflammatory disorder is characterized by recurrent episodes of fever, serositis, arthritis. The major long-term result is amyloidosis. Colchicine remains the principle of the treatment; it not only prevents the acute attacks but also prevents the long-term complications such as amyloidosis; 5-10% of the patients are unresponsive to treatment. Recently new therapeutic options as anti-interleukin 1 agents are successfully used for the patients who do not respond to colchicine treatment...
February 15, 2018: Rheumatology International
Zhe Hou, Brian R Hinds, Philip R Cohen
Neutrophilic urticarial dermatosis (NUD) is a useful diagnostic term for urticarial lesions that are less pruritic and more painful than conventional urticaria. The histopathologic features include neutrophilic infiltrates in the interstitial dermis with a higher density than idiopathic urticaria. NUD has been associated with several systemic conditions, which are predominantly autoimmune and autoinflammatory in nature. A woman with Crohn disease who developed NUD is described. Literature reports of other conditions in which neutrophilic urticarial dermatosis have been observed are also reviewed and summarized...
November 15, 2017: Dermatology Online Journal
Tolga Yildirim, Rahmi Yilmaz, Muge Uzerk Kibar, Yunus Erdem
Colchicine is the first-line treatment for familial Mediterranean fever (FMF), preventing both inflammatory attacks as well as the development of amyloidosis in the majority of the patients. However approximately 5-10% of patients are colchicine resistant/intolerant. Side effects of colchicine are more prominent in renal transplant recipients due to interaction with immunosuppressive drugs. Anti-interleukin (IL)-1 drugs (anakinra, canakinumab and rilonacept) have emerged as the most promising drugs in the treatment of colchicine-resistant and/or intolerant FMF...
February 14, 2018: Journal of Nephrology
Lanjiao Liu, Zuobin Wang, Wenxiao Zhang, Xinyao Zhu, Li Li, Zhankun Weng
Biomechanical properties of cells are altered by many diseases. Cancer cell metastasis is related to the properties such as the cell stiffness that influences cell proliferation, differentiation and migration. In this paper, we used an atomic force microscope to analyze the colchicine-induced effects on the mechanical properties of hepatocyte (HL-7702 cells) and hepatoma cells (SMCC-7721 cells) in culture at the nanoscale. The cells were exposed to a solution with a normal dose of colchicine for two, four and six hours...
June 1, 2018: Journal of Nanoscience and Nanotechnology
Hacer Orsdemir Hortu, Emin Karaca, Betul Sozeri, Nesrin Gulez, Balahan Makay, Cumhur Gunduz, Tahir Atik, Ismihan Merve Tekin, Sevket Erbil Unsal, Cogulu Ozgur
Familial Mediterranean fever (FMF) is an inherited autoinflammatory disorder that can result in attacks with accompanying recurrent episodes of fever, serositis, and skin rash. MiRNAs are demonstrated to be associated with a number of other diseases; however, no comprehensive study has revealed its association with FMF disease. The aim is to investigate the role of microRNAs in FMF. We included 51 patients with genetically diagnosed FMF who had clinical symptoms and 49 healthy volunteers. Fifteen miRNAs that were found to be associated with autoinflammatory diseases and have a part in immune response were evaluated...
February 13, 2018: Clinical Rheumatology
Laura Conesa-Milián, Eva Falomir, Juan Murga, Miguel Carda, Eef Meyen, Sandra Liekens, J Alberto Marco
A series of twenty-six carbamates derived from aminocombretastatin A-4 (AmCA-4) were synthesized and evaluated for their capacity to affect cell proliferation, tubulin polymerization, mitotic cell arrest, microtubule network organization, apoptosis and endothelial tubular structures in vitro. The anti-proliferative activity of the synthetic carbamates was measured on several human tumor cell lines (i.e. HT-29, MCF-7, HeLa, A-549, MDA-MB-231, HL-60) as well as on the endothelial cell line HMEC-1 and the non-tumor cell line HEK-293...
February 9, 2018: European Journal of Medicinal Chemistry
Karolina Kowalczyk, Andrzej Błauż, Wojciech M Ciszewski, Anna Wieczorek, Błażej Rychlik, Damian Plażuk
Correction for 'Colchicine metallocenyl bioconjugates showing high antiproliferative activities against cancer cell lines' by Karolina Kowalczyk et al., Dalton Trans., 2017, 46, 17041-17052.
February 12, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
Kieran P Robinson, Jonathan J Chan
Colchicine is an anti-inflammatory agent that has been used for decades for the treatment of various diseases including gout, familial Mediterranean fever and pericarditis and in recent years for dermatological indications including chronic urticaria, cutaneous vasculitis and psoriasis. Despite its efficacy in various cutaneous diseases, the use of colchicine may be limited by concerns over its side-effects and the potential for toxicity. This article reviews the current literature on the pharmacology of colchicine and its clinical applications in dermatology...
February 12, 2018: Australasian Journal of Dermatology
Ying-Ying Leung, Benjamin Haaland, Janet L Huebner, Steven Bak-Siew Wong, Madeline Tjai, Chunyan Wang, Balram Chowbay, Julian Thumboo, Bibhas Chakraborty, Mann Hong Tan, Virginia B Kraus
OBJECTIVES: Uric acid may activate an innate immune response in osteoarthritis (OA), contributing to disease pathology and progression. We evaluated the effectiveness of colchicine on pain and function in symptomatic knee OA (KOA) and the underlying mechanism of action. METHODS: COLKOA was a double-blind, placebo-controlled, randomized trial comparing 16 weeks of treatment with 0.5 mg twice-daily oral colchicine to placebo for KOA. The primary endpoint was ≥30% improvement in total Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score at week 16...
February 6, 2018: Osteoarthritis and Cartilage
Johannes Delp, Simon Gutbier, Stefanie Klima, Lisa Hoelting, Kevin Pinto-Gil, Jui-Hua Hsieh, Michael Aichem, Karsten Klein, Falk Schreiber, Raymond R Tice, Manuel Pastor, Mamta Behl, Marcel Leist
The (developmental) neurotoxicity hazard is still unknown for most chemicals. Establishing a test battery covering most of the relevant adverse outcome pathways may close this gap, without requiring a huge animal experimentation program. Ideally, each of the assays would cover multiple mechanisms of toxicity. One candidate test is the human LUHMES cell-based NeuriTox test. To evaluate its readiness for larger-scale testing, a proof of concept library assembled by the U.S. National Toxicology Program (NTP) was screened...
January 21, 2018: ALTEX
Xiangyu Qi, Haibin Wang, Aiping Song, Jiafu Jiang, Sumei Chen, Fadi Chen
Allopolyploid formation involves two major events: interspecific hybridization and polyploidization. A number of species in the Asteraceae family are polyploids because of frequent hybridization. The effects of hybridization on genomics and transcriptomics in Chrysanthemum nankingense×Tanacetum vulgare hybrids have been reported. In this study, we obtained allopolyploids by applying a colchicine treatment to a synthesized C. nankingense×T. vulgare hybrid. Sequence-related amplified polymorphism (SRAP), methylation-sensitive amplification polymorphism (MSAP), and high-throughput RNA sequencing (RNA-Seq) technologies were used to investigate the genomic, epigenetic, and transcriptomic alterations in both the hybrid and allopolyploids...
2018: Horticulture Research
Xingkang Wu, Zhenyu Li, Yuemao Shen
BACKGROUND: Mitosis, the most dramatic event in the cell cycle, involves the reorganization of virtually all cellular components. Antimitotic agents are useful for dissecting the mechanism of this reorganization. Previously, we found that the small molecule CS1 accumulates cells in G2/M phase [1], but the mechanism of its action remains unknown. METHODS: Cell cycle analysis, live cell imaging and nuclear staining were used. Chromosomal morphology was detected by chromosome spreading...
January 30, 2018: Biochimica et Biophysica Acta
Xiaochao Huang, Rizhen Huang, Zhimei Wang, Lingxue Li, Shaohua Gou, Zhixin Liao, Hengshan Wang
Six novel of Pt(IV) complexes comprising chalcone analogues were synthesized and evaluated for anti-proliferative activity using MTT assay. In vitro evaluation revealed that all Pt(IV) complexes showed better and more potent activity against three human cancer cells including CDDP resistant cells than that of their corresponding mother Pt(II) species. Among them, two representative complexes, 14 and 17, exhibited better cell selectivity between cancer cells and normal cells than CDDP. Molecular docking study indicated that complexes 14 and 17 could bind to the colchicine site of tubulin...
January 30, 2018: European Journal of Medicinal Chemistry
Yajing Liu, Di Yang, Zexin Hong, Su Guo, Moyi Liu, Daiying Zuo, Dandan Ge, Mingze Qin, Deyu Sun
A series of novel 4,6-diphenyl-2-(1H-pyrrol-1-yl)nicotinonitrile analogues of crolibulin and combretastatin A-4 (CA-4) were discovered using a 2-(1H-pyrrol-1-yl)pyridine ring as link-bridge to retain the cis-orientations of A-ring and B-ring. All the target compounds were synthesized and evaluated for their antiproliferative activity against five human cancer cell lines. Compounds 6a-d exhibited superior potency, with IC50 values at nanomolar levels. In particular, compound 6a exhibited antitumor activity similar to or higher than crolibulin and CA-4...
February 1, 2018: European Journal of Medicinal Chemistry
T O'Herron, J Lafferty
Radiation therapy is one of the primary treatments in fighting breast cancer, one of the most common cancers in the US. One of the dose limiting factors of this therapy is radiation induced heart damage that results from mediastinal radiation. Recently statins, a medication typically used to lower cholesterol levels, have been suggested as a prophylactic treatment to potentially mitigate this process. Similarly, we hypothesized whether colchicine, an anti-inflammatory medication that is presently used in the treatment of gout and pericarditis, might be used to prevent coronary artery disease induced by radiation therapy...
February 2018: Medical Hypotheses
Souvik Banerjee, Kinsie E Arnst, Yuxi Wang, Gyanendra Kumar, Shanshan Deng, Lei Yang, Guo-Bo Li, Jinliang Yang, Stephen W White, Wei Li, Duane D Miller
We report the design, synthesis, and biological evaluation of heterocyclic-fused pyrimidines as tubulin polymerization inhibitors targeting the colchicine binding site with significantly improved therapeutic index. Additionally, for the first time, we report high-resolution X-ray crystal structures for the best compounds in this scaffold, 4a, 4b, 6a, and 8b. These structures not only confirm their direct binding to the colchicine site in tubulin and reveal their detailed molecular interactions but also contrast the previously published proposed binding mode...
February 6, 2018: Journal of Medicinal Chemistry
Burak Tanyıldız, Mehmet Engin Tezcan, Baran Kandemir, Nesrin Tutaş Günaydın, Eren Göktaş, Aise Tangılntız, Aysu Karatay Arsan
BACKGROUND: The purpose of this study is to investigate whether oral colchicine has an effect on peripapillary retinal nerve fiber layer (pRNFL) thickness of familial Mediterranean fever (FMF) patients. METHODS: We conducted a cross sectional study by comparing pRNFL thickness of FMF patients on colchicine (treated group), newly diagnosed colchicine naïve FMF patients (untreated group) and healthy controls. The study included 66 FMF patients and 32 healthy control subjects...
February 5, 2018: BMC Ophthalmology
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