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Colchicine

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https://www.readbyqxmd.com/read/28819246/transcriptome-analysis-reveals-plant-response-to-colchicine-treatment-during-on-chromosome-doubling
#1
Kai Zhou, Paige Fleet, Eviatar Nevo, Xinquan Zhang, Genlou Sun
Colchicine was commonly used to artificially double chromosomes while the transcriptome changes in colchicine treated plants has rarely been characterized. To understand the molecular mechanism of colchicine on chromosome doubling, we characterized transcriptome data of diploid orchardgrass root after colchicine treatment. Our results showed that 3381 of differentially expressed genes (DEGs) were mainly affected by water stress, 1258 DEGs that were expressed significantly in sample DacR5tr but not in DacR5ck were considered to be mainly affected by colchicine and combination of water and colchicine...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818768/novel-gomisin-b-analogues-as-potential-cytotoxic-agents-design-synthesis-biological-evaluation-and-docking-studies
#2
B Poornima, Bandi Siva, A Venkanna, G Shankaraiah, Nishant Jain, Dharmendra Kumar Yadav, Sanjeev Misra, K Suresh Babu
As part of pharmacological-phytochemical integrated studies on medicinal flora, Gomisin B (1) was isolated as major phytochemical lead from schisandra grandiflora, a plant traditionally used in different Asian systems of medicine. A series of 1,2,3-triazoles derivatives were synthesized at the C-7' position of the gomisin B core through diastereoselective Michael addition followed by regioselective Huisgen 1,3-dipolar cycloaddition reactions. All these triazolyl derivatives (5a-5q) were well characterized using modern spectroscopic techniques and evaluated for their anti-cancer activity against a panel of five human cancerous cell-lines...
August 1, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28816562/behcet-s-disease-and-pregnancy-what-to-expect
#3
Gokcen Orgul, Fatih Aktoz, Mehmet Sinan Beksac
The relationship between Behcet's disease (BD) and pregnancy is only reported in limited number of studies. We retrospectively collected data of 26 women with BD diagnosis and their 66 pregnancies. We analysed patients according to disease activity, age at BD diagnosis, age at first/last pregnancy, obstetric history, obstetric complications, neonatal birthweight, associated foetal abnormalities and pregnancy-related complications. Sixteen miscarriages (24.2%), two intrauterine deaths (3%) and 48 live births (72...
August 17, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28810560/effects-of-taohongsiwu-decoction-on-the-expression-of-%C3%AE-sma-and-tgf-%C3%AE-1-mrna-in-the-liver-tissues-of-a-rat-model-of-hepatic-cirrhosis
#4
Tongsheng Wang, Deling Wu, Peipei Li, Ke Zhang, Shanjun Tao, Zhu Li, Jun Li
The present study aimed to explore the treatment effects of Taohongsiwu decoction on the liver fibrosis in a rat model, as few prior studies have investigated the anti-fibrotic effects of Taohongsiwu decoction. High-performance liquid chromatography was used to measure the concentration of ferulic acid and hydrosafflower flavin A in the decoction. Male Sprague-Dawley rats were randomly divided into control, model, colchicine (positive group), Taohongsiwu-high, Taohongsiwu-moderate and Taohongsiwu-low groups; 50% carbon tetrachloride (CCl4) of peanut oil solution was subcutaneously injected to the rats except for the control group, and the drugs were intragastrically administered (10 ml/kg) starting at week 7 for 6 continuous weeks...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28803799/constructing-novel-dihydrofuran-and-dihydroisoxazole-analogues-of-isocombretastatin-4-as-tubulin-polymerization-inhibitors-through-3-2-reactions
#5
Ming-Yu Song, Chen-Yu Cao, Qiu-Rui He, Qing-Miao Dong, Ding Li, Jiang-Jiang Tang, Jin-Ming Gao
[3+2] reactions play a key role in constructing various pharmaceutical moleculars. In this study, using Mn(OAc)3 mediated and 1,3-dipolar [3+2] cyclization reactions, 38 novel dihydrofuran and dihydroisoxazole analogues of isoCA-4 were synthesized as inhibitors of tubulin polymerization. Among them, compound 6g was found to be the most potent cytotoxic agents against PC-3 cells with IC50 value of 0.47μM, and compound 5p exhibted highest activity on HeLa cells with IC50 vaule of 2.32µM. Tubulin polymerization assay revealed that 6g was a dose-dependent and effective inhibitor of tubulin assembly...
July 29, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28801675/targeting-p-glycoprotein-investigation-of-piperine-analogs-for-overcoming-drug-resistance-in-cancer
#6
Safiulla Basha Syed, Hemant Arya, I-Hsuan Fu, Teng-Kuang Yeh, Latha Periyasamy, Hsing-Pang Hsieh, Mohane Selvaraj Coumar
P-glycoprotein (P-gp) is a drug transporter that effluxes chemotherapeutic drugs and is implicated in the development of resistance of cancer cells to chemotherapeutic drugs. To date, no drug has been approved to inhibit P-gp and restore chemotherapy efficacy. Moreover, majority of the reported inhibitors have high molecular weight and complex structures, making it difficult to understand the basic structural requirement for P-gp inhibition. In this study, two structurally simple, low molecular weight piperine analogs Pip1 and Pip2 were designed and found to better interact with P-gp than piperine in silico...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28797990/marked-improvement-in-gastric-involvement-in-beh%C3%A3-et-s-disease-with-adalimumab-treatment
#7
Akira Sonoda, Ryo Ogawa, Kazuhiro Mizukami, Kensuke Fukuda, Mitsutaka Shuto, Kazuhisa Okamoto, Osamu Matsunari, Tadayoshi Okimoto, Kazunari Murakami
Gastric involvement is the least frequent manifestation of Behçet's disease, and effective treatment for it unknown. Here the case of a patient with gastric involvement in Behçet's disease that was markedly improved with adalimumab therapy is presented. A 68-year-old man developed an oral ulcer, erythema, folliculitis, and arthralgia. Behçet's disease was suspected; then, prednisolone and colchicine were administered. Esophagogastroduodenoscopy showed a punched-out ulcer in the posterior wall of the gastric antrum...
August 9, 2017: Turkish Journal of Gastroenterology: the Official Journal of Turkish Society of Gastroenterology
https://www.readbyqxmd.com/read/28797090/imidazoquinoxaline-anticancer-derivatives-and-imiquimod-interact-with-tubulin-characterization-of-molecular-microtubule-inhibiting-mechanisms-in-correlation-with-cytotoxicity
#8
Alexis Courbet, Nicole Bec, Caroline Constant, Christian Larroque, Martine Pugniere, Safia El Messaoudi, Zahraa Zghaib, Sonia Khier, Carine Deleuze-Masquefa, Florence Gattacceca
Displaying a strong antiproliferative activity on a wide variety of cancer cells, EAPB0203 and EAPB0503 belong to the imidazo[1,2-a]quinoxalines family of imiquimod structural analogues. EAPB0503 has been shown to inhibit tubulin polymerization. The aim of the present study is to characterize the interaction of EAPB0203 and EAPB0503 with tubulin. We combine experimental approaches at the cellular and the molecular level both in vitro and in silico in order to evaluate the interaction of EAPB0203 and EAPB0503 with tubulin...
2017: PloS One
https://www.readbyqxmd.com/read/28795759/epstein-barr-virus-related-acute-genital-ulcer-successfully-treated-with-colchicine
#9
Agathe Nouchi, Gentiane Monsel, Barthélémy Lafon-Desmurs, Laurence Meng, Sonia Burrel, Micheline Moyal-Barracco, Eric Caumes
No abstract text is available yet for this article.
August 10, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/28794296/recurrent-aa-amyloidosis-combined-with-chronic-active-antibody-mediated-rejection-after-kidney-transplantation
#10
Min-Kyung Yeo, Young Rok Ham, Song-Yi Choi, Yong-Moon Lee, Moon Hyang Park, Kwang-Sun Suh
Kidney transplantation for amyloidosis remains a contentious issue. Recurrence of amyloidosis is one of the risks of transplantation. Chronic active antibody-mediated rejection is an important cause of chronic allograft dysfunction. A 47-year-old woman underwent kidney transplantation due to renal AA amyloidosis with unknown etiology. Six years posttransplantation, a kidney biopsy showed AA amyloidosis with chronic active antibody-mediated rejection. Donor-specific antibody class II was positive. The patient underwent intravenous plasmapheresis and treatment with rituximab and colchicine...
July 2017: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/28791538/attenuation-of-neurobehavioral-and-neurochemical-abnormalities-in-animal-model-of-cognitive-deficits-of-alzheimer-s-disease-by-fermented-soybean-nanonutraceutical
#11
Vikas Kumar, Prakash Chandra Bhatt, Shruti Pathak, Bibhu Prasad Panda
The present study was performed to evaluate the efficacy of nanonutraceuticals (NN) for attenuation of neurobehavioral and neurochemical abnormalities in Alzheimer's disease. Solid-state fermentation of soybean with Bacillus subtilis was performed to produce different metabolites (nattokinase, daidzin, genistin and glycitin and menaquinone-7). Intoxication of rats with colchicine caused impairment in learning and memory which was demonstrated in neurobehavioral paradigms (Morris water maze and passive avoidance) linked with decreased activity of acetylcholinesterase (AChE)...
August 8, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28781304/cold-exposure-related-fever-with-an-mediterranean-fever-mefv-gene-mutation
#12
Shima Kumei, Tsukasa Nozu, Masumi Ohira, Saori Miyagishi, Toshikatsu Okumura
Familial Mediterranean fever (FMF) is a genetic autoinflammatory disease characterized by recurrent fever with serosal inflammation. We experienced a 53-year-old male who had been suffering from periodic attacks with slight fever and myalgia which were mainly triggered by cold exposure in winter. Although his clinical course did not satisfy the criteria for familial Mediterranean fever, heterozygous E148Q/M694I mutation in the Mediterranean fever (MEFV) gene was detected. Further attacks were prevented by treatment with colchicine...
August 15, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28781105/adult-s-onset-still-disease-occurring-during-pregnancy-case-report-and-literature-review
#13
Léo Plaçais, Arsène Mekinian, Marie Bornes, Armelle Poujol-Robert, Naiké Bigé, Eric Maury, Olivier Fain
INTRODUCTION: Adult onset Still's disease is a rare affection classified among non-hereditary autoinflammatory diseases. We here report a case of AOSD revealed during pregnancy with a life-threatening presentation along with a review of 19 cases from literature. CASE: A 38-years old woman was treated in our department for diffuse systemic sclerosis and associated Sjögren syndrome. She was pregnant and presented with acute fever and arthralgias. Laboratory data revealed mild liver cytolysis but a large screening for infectious and auto-immune diseases was negative and hepato-biliar imaging was normal...
July 10, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28780159/pyridine-pyrimidine-amides-that-prevent-hgf-induced-epithelial-scattering-by-two-distinct-mechanisms
#14
Adam Siddiqui-Jain, Jacob P Hoj, J Blade Hargiss, Taylor H Hoj, Carter J Payne, Collin A Ritchie, Steven R Herron, Colette Quinn, Jeffrey T Schuler, Marc D H Hansen
Stimulation of cultured epithelial cells with scatter factor/hepatocyte growth factor (HGF) results in individual cells detaching and assuming a migratory and invasive phenotype. Epithelial scattering recapitulates cancer progression and studies have implicated HGF signaling as a driver of cancer metastasis. Inhibitors of HGF signaling have been proposed to act as anti-cancer agents. We previously screened a small molecule library for compounds that block HGF-induced epithelial scattering. Most hits identified in this screen exhibit anti-mitotic properties...
July 25, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28774575/synthesis-of-different-heterocycles-linked-chalcone-conjugates-as-cytotoxic-agents-and-tubulin-polymerization-inhibitors
#15
Nagula Shankaraiah, Shalini Nekkanti, Uma Rani Brahma, Niggula Praveen Kumar, Namrata Deshpande, Daasi Prasanna, Kishna Ram Senwar, Uppu Jaya Lakshmi
A series of new heterocycles-linked chalcone conjugates has been designed and synthesized by varying different alkane spacers. These conjugates were tested for their in vitro cytotoxic potential against a panel of selected human cancer cell lines namely, lung (A549 and NCI-H460), prostate (DU-145 and PC-3), colon (HCT-15 and HCT-116), and brain (U-87 glioblastoma) by MTT assay. Notably, among all the tested compounds, 4a exhibited potent cytotoxicity on NCI-H460 (lung cancer) cells with IC50 of 1.48±0.19µM...
July 21, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28771811/idiopathic-calcinosis-cutis-universalis-treated-successfully-with-oral-diltiazem-a-case-report
#16
Jayanti Singh, Vijay K Paliwal, Puneet Bhargava, Deepak K Mathur
Idiopathic calcinosis cutis is very rare and difficult to treat. Various medical modalities of treatment described with inconsistent results include chelating agents, colchicine, and probenecid. Calcium channel blockers are known to work by inhibiting intracellular entry of calcium. We successfully treated a case of idiopathic calcinosis cutis using oral diltiazem.
August 2, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28767055/modeling-the-colchicum-autumnale-tubulin-and-a-comparison-of-its-interaction-with-colchicine-to-human-tubulin
#17
Ivana Spasevska, Ahmed T Ayoub, Philip Winter, Jordane Preto, Gane K-S Wong, Charles Dumontet, Jack A Tuszynski
Tubulin is the target for many small-molecule natural compounds, which alter microtubules dynamics, and lead to cell cycle arrest and apoptosis. One of these compounds is colchicine, a plant alkaloid produced by Colchicum autumnale. While C. autumnale produces a potent cytotoxin, colchicine, and expresses its target protein, it is immune to colchicine's cytotoxic action and the mechanism of this resistance is hitherto unknown. In the present paper, the molecular mechanisms responsible for colchicine resistance in C...
August 2, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28763646/design-synthesis-and-biological-evaluation-of-4-anilinoquinoline-derivatives-as-novel-potent-tubulin-depolymerization-agents
#18
Yuanyuan Zhou, Wei Yan, Dong Cao, Mingfeng Shao, Dan Li, Fang Wang, Zhuang Yang, Yong Chen, Linhong He, Taijin Wang, Mingsheng Shen, Lijuan Chen
A series of novel 4-anilinoquinoline derivatives were synthesized and evaluated for their antiproliferative activities. Among them, 14h exhibited the most potent cytotoxic activity with IC50 values ranging from 1.5 to 3.9 nM against all tested cancer cell lines, and showed promising efficacy in multidrug resistant cancer cells. Flow cytometry assay, immune-fluorescence staining, microtubule dynamics assays and competition assays with EBI identified that 14h was a novel tubulin depolymerization agent by binding to the colchicine site...
July 22, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28763406/massive-pericardial-effusion-and-tamponade-can-be-a-first-sign-of-familial-mediterranean-fever
#19
Tamer Yoldaş, Şeyma Kayali, İlker Ertuğrul, Vehbi Doğan, Utku Arman Örün, Selmin Karademir
Cardiac involvement is a rare initial presentation of familial Mediterranean fever (FMF). We described 2 children with massive pericardial effusion and cardiac tamponade, who were later diagnosed as having FMF based on clinical and laboratory findings. Therefore, in children presenting with massive pericardial effusion, FMF should be considered as one of the differential diagnoses. In addition, massive pericardial effusion is a serious clinical condition that requires emergency therapeutic approach including pericardiocenthesis...
August 1, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28761276/efficacy-of-oral-colchicine-with-intralesional-hyaluronidase-or-triamcinolone-acetonide-in-the-grade-ii-oral-submucous-fibrosis
#20
Dipti Daga, R K Singh, U S Pal, Tikaram Gurung, Shilpi Gangwar
BACKGROUND AND OBJECTIVES: Oral submucous fibrosis (OSMF) is a potentially malignant disorder of oral mucosa affecting mainly population in South and Southeast Asia. The aim of this study is to compare the effectiveness of oral colchicine with intralesional injection of hyaluronidase or injection triamcinolone acetonide in patients with Grade II OSMF. MATERIALS AND METHODS: The study included thirty patients of clinically diagnosed Grade II OSMF. Patients were divided randomly into two groups: Group A patients were treated by administrating tablet colchicine 0...
January 2017: National Journal of Maxillofacial Surgery
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