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https://www.readbyqxmd.com/read/28804451/behavioral-changes-over-time-following-ayahuasca-exposure-in-zebrafish
#1
Robson Savoldi, Daniel Polari, Jaquelinne Pinheiro-da-Silva, Priscila F Silva, Bruno Lobao-Soares, Mauricio Yonamine, Fulvio A M Freire, Ana C Luchiari
The combined infusion of Banisteriopsis caapi stem and Psychotria viridis leaves, known as ayahuasca, has been used for centuries by indigenous tribes. The infusion is rich in N, N-dimethyltryptamine (DMT) and monoamine oxidase inhibitors, with properties similar to those of serotonin. Despite substantial progress in the development of new drugs to treat anxiety and depression, current treatments have several limitations. Alternative drugs, such as ayahuasca, may shed light on these disorders. Here, we present time-course behavioral changes induced by ayahuasca in zebrafish, as first step toward establishing an ideal concentration for pre-clinical evaluations...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28780677/the-crescent-in-doughnut-sign-in-intussusception
#2
REVIEW
Man Leung Yu, Kam Ho Lee, Yan Lin Li
No abstract text is available yet for this article.
August 5, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28767925/autism-spectrum-disorders-an-updated-guide-for-genetic-counseling
#3
Karina Griesi-Oliveira, Andréa Laurato Sertié
Autism spectrum disorder is a complex and genetically heterogeneous disorder, which has hampered the identification of the etiological factors in each patient and, consequently, the genetic counseling for families at risk. However, in the last decades, the remarkable advances in the knowledge of genetic aspects of autism based on genetic and molecular research, as well as the development of new molecular diagnostic tools, have substantially changed this scenario. Nowadays, it is estimated that using the currently available molecular tests, a potential underlying genetic cause can be identified in nearly 25% of cases...
April 2017: Einstein
https://www.readbyqxmd.com/read/28757276/value-of-immunohistochemical-expression-of-podocalyxin-in-active-lupus-nephritis
#4
Maha Abdelmoneim Behairy, Marwa Mosaad Shakweer, Tamer Wahid El Said, Nermin Hassan ElGharbawy
Podocalyxin is an electronegative sialoglycoprotein that prevents the podocyte foot process from collapsing. The aim of this study was to detect an association between the glomerular immunohistochemical (IHC) expression of podocalyxin and the degree of podocyte effacement detected by electron microscopy, and to evaluate the role of podocalyxin IHC expression as a novel marker for disease activity in lupus nephritis (LN). METHODS: Thirty-two renal biopsies of active lupus nephritis patients were studied...
July 27, 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/28756872/retinoic-acid-improves-nephrotoxic-serum-induced-glomerulonephritis-through-activation-of-podocyte-retinoic-acid-receptor-%C3%AE
#5
Yan Dai, Anqun Chen, Ruijie Liu, Leyi Gu, Shuchita Sharma, Weijing Cai, Fadi Salem, David J Salant, Jeffrey W Pippin, Stuart J Shankland, Marcus J Moeller, Norbert B Ghyselinck, Xiaquiang Ding, Peter Y Chuang, Kyung Lee, John Cijiang He
Proliferation of glomerular epithelial cells, including podocytes, is a key histologic feature of crescentic glomerulonephritis. We previously found that retinoic acid (RA) inhibits proliferation and induces differentiation of podocytes by activating RA receptor-α (RARα) in a murine model of HIV-associated nephropathy. Here, we examined whether RA would similarly protect podocytes against nephrotoxic serum-induced crescentic glomerulonephritis and whether this effect was mediated by podocyte RARα. RA treatment markedly improved renal function and reduced the number of crescentic lesions in nephritic wild-type mice, while this protection was largely lost in mice with podocyte-specific ablation of Rara (Pod-Rara knockout)...
July 27, 2017: Kidney International
https://www.readbyqxmd.com/read/28756384/treatment-and-clinicopathological-characteristics-of-lupus-nephritis-with-anti-neutrophil-cytoplasmic-antibody-positivity-a-case-control-study
#6
Cui Li, Min-Lin Zhou, Dan-Dan Liang, Jing-Jing Wang, Jing Yang, Cai-Hong Zeng, Zhi-Hong Liu, Hai-Tao Zhang
OBJECTIVE: To assess the clinical features, pathological presentations, treatments and outcomes of lupus nephritis (LN) with anti-neutrophil cytoplasmic antibody (ANCA) positivity. DESIGN: A case-control study. METHODS: Patients (n=49) were retrospectively included from Jinling Hospital in China if presenting with biopsy-proven ANCA-positive LN between 1985 and 2008. Clinicopathological characteristics and outcomes were analysed and compared with those of a control group (n=1279)...
July 28, 2017: BMJ Open
https://www.readbyqxmd.com/read/28753352/instability-of-agyrotropic-electron-beams-near-the-electron-diffusion-region
#7
D B Graham, Yu V Khotyaintsev, A Vaivads, C Norgren, M André, J M Webster, J L Burch, P-A Lindqvist, R E Ergun, R B Torbert, W R Paterson, D J Gershman, B L Giles, W Magnes, C T Russell
During a magnetopause crossing the Magnetospheric Multiscale spacecraft encountered an electron diffusion region (EDR) of asymmetric reconnection. The EDR is characterized by agyrotropic beam and crescent electron distributions perpendicular to the magnetic field. Intense upper-hybrid (UH) waves are found at the boundary between the EDR and magnetosheath inflow region. The UH waves are generated by the agyrotropic electron beams. The UH waves are sufficiently large to contribute to electron diffusion and scattering, and are a potential source of radio emission near the EDR...
July 14, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28743127/a-rare-presentation-of-immunoglobulin-a-nephropathy-acute-kidney-injury
#8
Meric Oruc, Haydar Durak, Serkan Feyyaz Yalin, Nurhan Seyahi, Mehmet Rıza Altıparmak, Sinan Trabulus
BACKGROUND: Acute kidney injury (AKI) is known as an uncommon presentation in immunoglobulin A nephropathy (IgAN). The aim of our study was to analyze the clinical data and biopsy findings in IgAN patients presenting with AKI. METHODS: We performed a retrospective analysis of all subjects who had biopsy-proven IgAN and presented with AKI during June 2002 September 2015. The following data were obtained from medical records. RESULTS: A total of 15 patients of 123 patients (12...
July 26, 2017: Nephron
https://www.readbyqxmd.com/read/28737665/refractive-and-corneal-aberrometric-changes-after-crescentic-lamellar-wedge-resection-in-pellucid-marginal-degeneration
#9
Selim Genç, Hanefi Çakır, Emre Güler, Ümit Çallı
OBJECTIVE: To evaluate the effectiveness of crescentic corneal lamellar wedge resection for the treatment of pellucid marginal degeneration (PMD) in improving refractive, visual, and corneal aberrometry. METHODS: The study included 10 eyes of 10 patients who had undergone corneal lamellar wedge resection for PMD. Pellucid marginal degeneration was diagnosed based on the clinical signs and corneal topography. The corneal aberrometry was evaluated with Sirius corneal topography...
July 21, 2017: Eye & Contact Lens
https://www.readbyqxmd.com/read/28732547/crescentic-glomerular-nephritis-associated-with-rheumatoid-arthritis-a-case-report
#10
K Balendran, L D S U Senarathne, R D Lanerolle
BACKGROUND: Rheumatoid arthritis is a systemic disorder where clinically significant renal involvement is relatively common. However, crescentic glomerular nephritis is a rarely described entity among the rheumatoid nephropathies. We report a case of a patient with rheumatoid arthritis presenting with antineutrophil cytoplasmic antibody-negative crescentic glomerular nephritis. CASE PRESENTATION: A 54-year-old Sri Lankan woman who had recently been diagnosed with rheumatoid arthritis was being treated with methotrexate 10 mg weekly and infrequent nonsteroidal anti-inflammatory drugs...
July 21, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28732503/opium-trade-and-the-spread-of-hiv-in-the-golden-crescent
#11
REVIEW
Syeda Ayesha Farooq, Mohammad Hafiz Rasooly, Syed Hani Abidi, Kayvon Modjarrad, Syed Ali
The Golden Crescent region of South Asia-comprising Afghanistan, Iran, and Pakistan-is a principal global site for opium production and distribution. Over the past few decades, war, terrorism, and a shifting political landscape have facilitated an active heroin trade throughout the region. Protracted conflict has exacerbated already dire socio-economic conditions and political strife within the region and contributed to a consequent rise in opiate trafficking and addiction among the region's inhabitants. The worsening epidemic of injection drug use has paralleled the rising incidence of HIV and other blood-borne infections in the region and drawn attention to the broader implications of the growing opiate trade in the Golden Crescent...
July 21, 2017: Harm Reduction Journal
https://www.readbyqxmd.com/read/28731877/simple-preoperative-ink-test-as-a-novel-adjunct-to-intrastromal-keratopigmentation-for-post-laser-peripheral-iridotomy-dysphotopsias
#12
Stephan Ong Tone, Daniel Q Li, Zach Ashkenazy, Armand Borovik, Allan R Slomovic, David S Rootman, Clara C Chan
PURPOSE: To describe a simple preoperative ink test as a novel adjunct to intrastromal keratopigmentation for post-laser peripheral iridotomy (LPI) dysphotopsias. METHODS: A surgical marking pen is applied to the area over a peripheral iridotomy before intrastromal keratopigmentation. The patient can then assess whether there is any improvement in their symptoms of dysphotopsias. Manual intrastromal keratopigmentation can then be performed using a crescent blade into the clear cornea at 50% depth and tunneled centrally to create a pocket ensuring that the peripheral iridotomy is fully occluded...
July 19, 2017: Cornea
https://www.readbyqxmd.com/read/28731865/-joining-the-spots-in-adults-and-young-tots-a-clinicopathological-study-of-henoch-sch%C3%A3-nlein-purpura-iga-vasculitis
#13
Priyanka P Kedia, Rajalakshmi Tirumalae, Divya Puttegowda, Meryl Antony
INTRODUCTION: Henoch-Schönlein Purpura (HSP; IgA vasculitis), the most common vasculitis of childhood, has a wide spectrum of clinical manifestations ranging from palpable purpura with abdominal pain and arthritis to the more morbid renal involvement. AIMS AND OBJECTIVES: To study and correlate the clinical presentation, laboratory values, skin and renal histopathology and immunofluoroscence findings in HSP. MATERIAL AND METHODS: A total of 44 cases of HSP from March 2011 to February 2014 were studied for the above features along with their clinical outcomes...
August 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28716777/customised-crescentic-corneal-transplant-with-conjunctival-resection-in-an-atypical-case-of-malignant-mooren-s-ulcer
#14
Jayanand Urkude, Rashmi Singh, Manthan Chaniyara, Amar Pujari
No abstract text is available yet for this article.
July 17, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28713246/differential-contribution-of-ca-2-dependent-mechanisms-to-hyperexcitability-in-layer-v-neurons-of-the-medial-entorhinal-cortex
#15
Eric C Lin, Crescent L Combe, Sonia Gasparini
Temporal lobe epilepsy is characterized by recurrent seizures in one or both temporal lobes of the brain; some in vitro models show that epileptiform discharges initiate in entorhinal layer V neurons and then spread into other areas of the temporal lobe. We previously found that, in the presence of GABAA receptor antagonists, stimulation of afferent fibers, terminating both at proximal and distal dendritic locations, initiated hyperexcitable bursts in layer V medial entorhinal neurons. We investigated the differential contribution of Ca(2+)-dependent mechanisms to the plateaus underlying these bursts at proximal and distal synapses...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28712056/the-crescent-sign-in-pneumatic-reduction-of-intussusception
#16
REVIEW
Man Leung Yu, Kam Ho Lee, Yan Lin Li
No abstract text is available yet for this article.
July 15, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28700996/immunosuppressive-treatment-in-c3-glomerulopathy-is-it-really-effective
#17
Yasar Caliskan, Ege Sinan Torun, Tarik Onur Tiryaki, Aysegul Oruc, Yasemin Ozluk, Sebahat Usta Akgul, Sonay Temurhan, Nida Oztop, Isin Kilicaslan, Mehmet Sukru Sever
BACKGROUND: C3 glomerulopathy (C3GP) is a recently identified and described disease that has a high risk of progressing into end-stage renal disease. We aimed to evaluate the effects of various immunosuppressive regimens on C3GP progression because there are conflicting data on the treatment modalities. METHODS: In this retrospective study of 66 patients with C3GP, 27 patients received mycophenolate mofetil (MMF)-based treatment, 23 received non-MMF-based treatment (prednisolone or cyclophosphamide), and 16 received conservative care...
July 13, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28699638/bcat1-controls-metabolic-reprogramming-in-activated-human-macrophages-and-is-associated-with-inflammatory-diseases
#18
Adonia E Papathanassiu, Jeong-Hun Ko, Martha Imprialou, Marta Bagnati, Prashant K Srivastava, Hong A Vu, Danilo Cucchi, Stephen P McAdoo, Elitsa A Ananieva, Claudio Mauro, Jacques Behmoaras
Branched-chain aminotransferases (BCAT) are enzymes that initiate the catabolism of branched-chain amino acids (BCAA), such as leucine, thereby providing macromolecule precursors; however, the function of BCATs in macrophages is unknown. Here we show that BCAT1 is the predominant BCAT isoform in human primary macrophages. We identify ERG240 as a leucine analogue that blocks BCAT1 activity. Selective inhibition of BCAT1 activity results in decreased oxygen consumption and glycolysis. This decrease is associated with reduced IRG1 levels and itaconate synthesis, suggesting involvement of BCAA catabolism through the IRG1/itaconate axis within the tricarboxylic acid cycle in activated macrophages...
July 12, 2017: Nature Communications
https://www.readbyqxmd.com/read/28698271/mannose-binding-lectin-levels-could-predict-prognosis-in-iga-nephropathy
#19
Wei-Yi Guo, Li Zhu, Si-Jun Meng, Su-Fang Shi, Li-Jun Liu, Ji-Cheng Lv, Hong Zhang
IgA nephropathy (IgAN) is characterized by infections followed by episodic gross hematuria. Deficiency of mannose-binding lectin (MBL) is associated with recurrent infection in many diseases, but controversy exists regarding the role of MBL in IgAN. Here, we measured MBL2 variants and MBL levels in 749 patients with IgAN and 489 healthy controls. Overall, 5.2% (39 of 749) of patients with IgAN had MBL deficiency (MBL levels <100 ng/ml), among whom LYPB/LYPB and LXPA/LYPB were the predominant MBL2 haplotypes (82%; 32 of 39)...
July 11, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28691246/formation-and-function-of-the-xestoleberis-spot-in-xestoleberis-hanaii-crustacea-ostracoda
#20
Shinnosuke Yamada
The crescent sculpture of the so-called "Xestoleberis-spot" develops inside the calcified valve of the family Xestoleberididae. Electron microscopic observations on both, intermoult and postmoult stages of Xestoleberis species reveal that the "Xestoleberis-spot" system consists of three elements; two calcified chambers, a vesicle of electron-dense material and an uncalcified procuticle. The formation and function of the "Xestoleberis-spot" system are discussed. In conclusion, the "Xestoleberis-spot" system functions as the muscle attachment site for several antennal muscles, and provides the material for chitinous fibers in the exocuticle of outer lamella...
July 10, 2017: Journal of Morphology
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