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https://www.readbyqxmd.com/read/28821176/sabine-ernst-md-phd-fesc
#1
Andros Tofield
No abstract text is available yet for this article.
August 14, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28810674/carina-blomstr%C3%A3-m-lundqvist
#2
Andros Tofield
No abstract text is available yet for this article.
August 7, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28766734/pressure-flow-pattern-of-varicocele-veins-and-its-correlation-with-testicular-blood-flow-and-semen-parameters
#3
K Ur Rehman, A B Qureshi, A Numan, H Zaneb, M S Yousaf, I Rabbani, H Rehman
The pressure pattern in varicocele veins of infertile patients and its correlation with semen quality and testicular blood flow was determined. Consecutive patients at andro-urology clinic of a teaching hospital undergoing microsurgical varicocelectomy were included. Their semen quality and testicular blood flow were determined. Peak systolic velocity (PSV) and resistive index (RI) of subcapsular and intraparenchymal branches of testicular artery were noted by colour Doppler ultrasonography. During surgery before ligation of varicocele veins, intravenous pressures of internal spermatic (ISV) and external spermatic (ESV) veins were determined at baseline and after Valsalva manoeuvre...
August 2, 2017: Andrologia
https://www.readbyqxmd.com/read/28761261/presence-of-mast-cells-and-mast-cell-degranulation-in-scalp-biopsies-of-telogen-effluvium
#4
Shane A Grace, Angela M Sutton, Nina Abraham, Eric S Armbrecht, Claudia I Vidal
BACKGROUND: Telogen effluvium (TE) is a type of acquired, diffuse alopecia that occurs due to an abnormal shift of scalp hair follicles from anagen to telogen, leading to premature shedding of hair. Previous studies have suggested the existence of a neuroimmunologic "brain-hair follicle" axis, in which mast cells have been implicated as an important link between the nervous system and immunologic system. OBJECTIVE: The current study sought to investigate the role of mast cell presence and mast cell degranulation in the pathogenesis of TE...
January 2017: International Journal of Trichology
https://www.readbyqxmd.com/read/28739368/andrographolide-induces-oxidative-stress-dependent-cell-death-in-unicellular-protozoan-parasite-trypanosoma-brucei
#5
Malabika Banerjee, Debaprasad Parai, Pranab Dhar, Manab Roy, Rajib Barik, Subrata Chattopadhyay, Samir Kumar Mukherjee
African sleeping sickness is a parasitic disease in humans and livestock caused by Trypanosoma brucei throughout sub-Saharan Africa. Absence of appropriate vaccines and prevalence of drug resistance proclaim that a new way of therapeutic interventions is essential against African trypanosomiasis. In the present study, we have looked into the effect of andrographolide (andro), a diterpenoid lactone from Andrographis paiculata on Trypanosoma brucei PRA 380. Although andro has been recognized as a promosing anti-cancer drug, its usefulness against Trypanosoma spp remained unexplored...
July 21, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28692436/andrographolide-enhances-cisplatin-mediated-anticancer-effects-in-lung-cancer-cells-through-blockade-of-autophagy
#6
Daolu Yuwen, Shanwei Mi, Yuzhu Ma, Wenjie Guo, Qiang Xu, Yan Shen, Yongqian Shu
Lung cancer is the most common cause of cancer-related death worldwide and the platinum-based drugs such as cisplatin have been used as the first line of the treatment. However, the clinical effectiveness of such chemotherapy is limited by intrinsic or acquired resistance. In this study, we found that cisplatin induced autophagy that attenuated the sensitivity of both A549 and Lewis lung cancer (LLC) cells to cisplatin. In contrast, the clinical drug andrographolide (Andro) suppressed autophagy and enhanced cisplatin-mediated apoptosis in these cells...
July 7, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28684414/kinetic-processivity-of-the-two-step-oxidations-of-progesterone-and-pregnenolone-to-androgens-by-human-cytochrome-p450-17a1
#7
Eric Gonzalez, F Peter Guengerich
Cytochrome P450 (P450, CYP) 17A1 plays a critical role in steroid metabolism, catalyzing both the 17α-hydroxylation of pregnenolone and progesterone and the subsequent 17α,20-lyase reactions to form dehydroepiandrosterone (DHEA) and androstenedione (Andro), respectively, critical for generating glucocorticoids and androgens. Human P450 17A1 reaction rates examined are enhanced by the accessory protein cytochrome b5 (b5), but the exact role of b5 in P450 17A1-catalyzed reactions is unclear as are several details of these reactions...
August 11, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28669260/andrographolide-attenuates-microglia-mediated-a%C3%AE-neurotoxicity-partially-through-inhibiting-nf-%C3%AE%C2%BAb-and-jnk-mapk-signaling-pathway
#8
Rui Yang, Sha Liu, Jia Zhou, Shuhong Bu, Jian Zhang
Neuroinflammation plays a critical role in the pathogenesis of several neurodegenerative diseases, including Alzheimer's disease (AD). Microglial cells after activated play critical roles in development of neuroinflammation, and may accelerate the progression of AD. Andrographolide (ANDRO), a potent naturally extracted substance, has been demonstrated to exert suppressive effects on LPS-induced inflammation by modulating macrophage and microglia overactivation. Whereas in AD, β-amyloid (Aβ) peptides have been considered as a potent activator of neuroinflammation, the effect of ANDRO on Aβ-induced neuroinflammation has not been examined...
July 18, 2017: Immunopharmacology and Immunotoxicology
https://www.readbyqxmd.com/read/28652943/diverse-habitat-use-during-two-life-stages-of-the-critically-endangered-bahama-oriole-icterus-northropi-community-structure-foraging-and-social-interactions
#9
Melissa R Price, William K Hayes
Our ability to prevent extinction in declining populations often depends on effective management of habitats that are disturbed through wildfire, logging, agriculture, or development. In these disturbed landscapes, the juxtaposition of multiple habitat types can be especially important to fledglings and young birds, which may leave breeding grounds in human-altered habitat for different habitats nearby that provide increased foraging opportunities, reduced competition, and higher protection from predators. In this study, we evaluated the importance of three habitat types to two life stages of the critically endangered Bahama Oriole (Icterus northropi), a synanthropic songbird endemic to Andros, The Bahamas...
2017: PeerJ
https://www.readbyqxmd.com/read/28651835/andrographolide-reduced-vegfa-expression-in-hepatoma-cancer-cells-by-inactivating-hif-1%C3%AE-the-involvement-of-jnk-and-mta1-hdca
#10
Liang Shi, Guoqing Zhang, Zhiyong Zheng, Bin Lu, Lili Ji
Andrographolide (Andro) is the main active compound in medicinal herb Andrographis paniculata Nees (Acanthaceae). Vascular endothelial growth factor A (VEGFA), a key pro-angiogenic factor, contributes greatly to tumor growth. The purpose of this study is to observe the inhibition of Andro on VEGFA expression in hepatoma cancer cells and its engaged mechanism. Andro decreased mRNA and protein expression of VEGFA in hepatoma Hep3B and HepG2 cells. Andro also decreased hypoxia-inducible factor 1-alpha (HIF-1α) protein expression and its subsequent nuclear translocation...
June 23, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28615649/andrographolide-ameliorates-inflammation-and-fibrogenesis-and-attenuates-inflammasome-activation-in-experimental-non-alcoholic-steatohepatitis
#11
Daniel Cabrera, Alexander Wree, Davide Povero, Nancy Solís, Alejandra Hernandez, Margarita Pizarro, Han Moshage, Javiera Torres, Ariel E Feldstein, Claudio Cabello-Verrugio, Enrique Brandan, Francisco Barrera, Juan Pablo Arab, Marco Arrese
Therapy for nonalcoholic steatohepatitis (NASH) is limited. Andrographolide (ANDRO), a botanical compound, has a potent anti-inflammatory activity due to its ability to inhibit NF-κB. ANDRO has been also shown to inhibit the NLRP3 inflammasome, a relevant pathway in NASH. Our aim was to evaluate the effects of ANDRO in NASH and its influence on inflammasome activation in this setting. Thus, mice were fed a choline-deficient-amino-acid-defined (CDAA) diet with/without concomitant ANDRO administration (1 mg/kg, 3-times/week)...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28609925/-i-epirrita-i-i-pulchraria-i-taylor-1907-transferred-to-i-malacodea-i-with-notes-on-the-phylogeny-and-ecology-of-the-tribe-operophterini-lepidoptera-geometridae-larentiinae
#12
Andro Truuverk, Erki Õunap, Toomas Tammaru
The Nearctic Epirrita pulchraria (Taylor, 1907) was revealed as a sister taxon of the Palaearctic Malacodea regelaria Tengström,1869 in a molecular phylogenetic analysis of the tribe Operophterini. DNA sequence variation in one mitochondrial (COI) and eight nuclear (28S, EF-1α, WGL, GAPDH, RPS5, IDH, MDH, CAD) gene fragments was used in the analysis. Bayesian inference resulted in a well-resolved phylogenetic hypothesis. According to the recovered phylogeny a new combination is proposed: Rachela pulchraria Taylor, 1907 is transferred from Epirrita Hübner, 1808 to Malacodea Tengström, 1869 as Malacodea pulchraria (Taylor, 1907) comb...
April 27, 2017: Zootaxa
https://www.readbyqxmd.com/read/28586215/experimental-and-theoretical-investigation-of-the-anti-ferromagnetic-coupling-of-cr-iii-ions-through-diamagnetic-o-nb-v-o-bridges
#13
Marijana Jurić, Lidija Androš Dubraja, Damir Pajić, Filip Torić, Andrej Zorko, Andrew Ozarowski, Vito Despoja, William Lafargue-Dit-Hauret, Xavier Rocquefelte
The synthesis and properties of a novel hetero-tetranuclear compound [Cr2(bpy)4(μ-O)4Nb2(C2O4)4]·3H2O (1; bpy = 2,2'-bipyridine), investigated by single-crystal X-ray diffraction, magnetization measurements, IR, UV/visible spectroscopy, electron paramagnetic resonance (EPR; X- and Q-bands and high-field), and density functional theory (DFT) calculations, are reported. Crystal structure of 1 (orthorhombic Pcab space group) consists of a square-shaped macrocyclic {Cr2(μ-O)4Nb2} core in which Cr(III) and Nb(V) ions are alternately bridged by oxo ions and three uncoordinated water molecules...
June 6, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28539838/andrographolide-inhibits-angiogenesis-by-inhibiting-the-mir-21-5p-timp3-signaling-pathway
#14
Jianwei Dai, Yuyin Lin, Youfa Duan, Zixuan Li, Dalei Zhou, Wensheng Chen, Lijing Wang, Qian-Qian Zhang
Angiogenesis provides nutrients and oxygen to promote tumor growth and affords a channel that facilitates tumor cell entry into the circulation. Andrographolide (Andro) possess anti-tumor activity; however, its direct effect on angiogenesis still needs to be clarified. In this study, our experiments revealed that Andro significantly inhibited vascular growth in chick embryo chorioallantoic membrane (CAM) and yolk sac membrane (YSM) models. Meanwhile, tumor angiogenesis was also suppressed by Andro. Additionally, we found that cell proliferation, migration and tube formation of vascular endothelial cells was inhibited by Andro treatment in vitro...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28515078/shifting-quaternary-migration-patterns-in-the-bahamian-archipelago-evidence-from-the-zamia-pumila-complex-at-the-northern-limits-of-the-caribbean-island-biodiversity-hotspot
#15
Dayana E Salas-Leiva, Alan W Meerow, Michael Calonje, Javier Francisco-Ortega, M Patrick Griffith, Kyoko Nakamura, Vanessa Sánchez, Lindy Knowles, David Knowles
PREMISE OF THE STUDY: The Bahamas archipelago is formed by young, tectonically stable carbonate banks that harbor direct geological evidence of global ice-volume changes. We sought to detect signatures of major changes on gene flow patterns and reconstruct the phylogeographic history of the monophyletic Zamia pumila complex across the Bahamas. METHODS: Nuclear molecular markers with both high and low mutation rates were used to capture two different time scale signatures and test several gene flow and demographic hypotheses...
May 17, 2017: American Journal of Botany
https://www.readbyqxmd.com/read/28485543/andrographolide-induces-cell-cycle-arrest-and-apoptosis-of-chondrosarcoma-by-targeting-tcf-1-sox9-axis
#16
Huan-Tian Zhang, Jie Yang, Gui-Hong Liang, Xue-Juan Gao, Yuan Sang, Tao Gui, Zu-Jian Liang, Man-Seng Tam, Zhen-Gang Zha
Chondrosarcoma is the second most malignant bone tumor with poor prognosis and limited treatment options. Thus, development of more effective treatments has become urgent. Recently, natural compounds derived from medicinal plants have emerged as promising therapeutic options via targeting multiple key cellular molecules. Andrographolide (Andro) is such a compound, which has previously been shown to induce cell cycle arrest and apoptosis in several human cancers. However, the molecular mechanism through which Andro exerts its anti-cancer effect on chondrosarcoma remains to be elucidated...
May 9, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28482006/predictability-and-parallelism-of-multi-trait-adaptation
#17
Randall Brian Langerhans
Environments shape the traits of organisms. Environmental variation may rarely alter selection on only a few traits, but instead precipitate wholesale changes of the multidimensional selective regime-many traits might experience divergent selection across divergent environments. Such changes in selection can elicit multifarious evolution. How predictable (from theory) and how parallel (consistent occurrences) is multi-trait divergence across replicated environments? Here, I address this question using the post-Pleistocene radiation of Bahamas mosquitofish (Gambusia hubbsi) inhabiting blue holes on Andros Island...
May 6, 2017: Journal of Heredity
https://www.readbyqxmd.com/read/28431842/significance-of-intraoperative-findings-in-revision-tympanomastoidectomy
#18
Andro Košec, Iva Kelava, Jakov Ajduk, Mihael Ries, Robert Trotić, Vladimir Bedeković
PURPOSE: The study was designed to assess correlations between intraoperative findings in revision tympanomastoidectomy as predictors of cholesteatoma recurrence. MATERIALS AND METHODS: A retrospective single-institution cohort of 101 patients who underwent surgical treatment for recurrent chronic otitis media in a tertiary referral otology centre. RESULTS: Out of 101 patients, 65 had canal wall up and 36 canal wall down revision surgery. There were 35 cholesteatoma recurrences...
July 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28327187/schistosomiasis-is-more-prevalent-than-previously-thought-what-does-it-mean-for-public-health-goals-policies-strategies-guidelines-and-intervention-programs
#19
REVIEW
Daniel G Colley, Tamara S Andros, Carl H Campbell
Mapping and diagnosis of infections by the three major schistosome species (Schistosoma haematobium, S. mansoni and S. japonicum) has been done with assays that are known to be specific but increasingly insensitive as prevalence declines or in areas with already low prevalence of infection. This becomes a true challenge to achieving the goal of elimination of schistosomiasis because the multiplicative portion of the life-cycle of schistosomes, in the snail vector, favors continued transmission as long as even a few people maintain low numbers of worms that pass eggs in their excreta...
March 22, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28325227/an-incidentaloma-in-the-cardiology-clinic
#20
Danesh K Kella, Rupak Desai, Leon Rubinsztein, Jeranfel Hernandez, Andro Kacharava
No abstract text is available yet for this article.
April 2017: American Journal of Medicine
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