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https://www.readbyqxmd.com/read/28944201/effects-of-higher-order-aberrations-on-contrast-sensitivity-in-normal-eyes-of-a-large-myopic-population
#1
Peng-Fei Zhao, Shi-Ming Li, Jing Lu, Hong-Min Song, Jing Zhang, Yue-Hua Zhou, Ning-Li Wang
AIM: To study the relation between higher-order aberrations (HOAs) and contrast sensitivity (CS) in normal eyes among a population of laser in situ keratomileusis (LASIK) candidates. METHODS: In 6629 eyes of 3315 LASIK candidates, CS were measured under dark environment at the spatial frequencies of 1.5, 3, 6, 12 and 18 cycles per degree (c/d), respectively, using an Optec 6500 visual function tester. Meanwhile, ocular HOAs were measured for a 6.0 mm pupil with a Hartmann-Shack wavefront analyzer...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28943388/corneal-higher-order-aberrations-and-visual-improvement-following-corneal-transplantation-in-treating-herpes-simplex-keratitis
#2
Eisuke Shimizu, Takefumi Yamaguchi, Daisuke Tomida, Yukari Yagi-Yaguchi, Yoshiyuki Satake, Kazuo Tsubota, Jun Shimazaki
PURPOSE: To examine corneal higher-order aberrations (HOAs) and visual improvement following corneal transplantation in treating corneal scar caused by herpes simplex keratitis (HSK). DESIGN: Retrospective consecutive case series. METHODS: This study included a total of 52 eyes: 18 normal subjects, and 34 eyes of consecutive patients with corneal scar due to HSK who underwent penetrating keratoplasty (PKP, 17 eyes) or deep anterior lamellar keratoplasty (DALK, 17 eyes)...
September 21, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28937417/age-related-changes-in-ocular-aberrations-and-the-yamagata-study-funagata
#3
Hiroyuki Namba, Ryo Kawasaki, Akira Sugano, Takanori Murakami, Koichi Nishitsuka, Takeo Kato, Takamasa Kayama, Hidetoshi Yamashita
Human vision quality is influenced by ocular aberrations, including astigmatism and higher-order aberrations (HOAs), in combination with other optical factors. In this study, we introduce the results and perceptions of previous studies investigating these aberrations. We also introduce our results obtained as part of the Yamagata Study (Funagata), a population-based epidemiologic study. To investigate the astigmatic change with age, researchers have used the power vector analysis, allowing incorporation of the magnitude and axis of astigmatism into statistical analyses...
September 19, 2017: Cornea
https://www.readbyqxmd.com/read/28937416/a-novel-entity-of-corneal-diseases-with-irregular-posterior-corneal-surface-concept-and-clinical-relevance
#4
Takefumi Yamaguchi, Eisuke Shimizu, Yukari Yagi-Yaguchi, Daisuke Tomida, Yoshiyuki Satake, Jun Shimazaki
Various corneal diseases, such as hereditary corneal dystrophies, corneal infection, and bullous keratopathy, cause corneal opacity, scarring, and edema, leading to severely decreased visual acuity and loss of vision. These diseases were regarded as corneal opacity diseases, and the decreased visual acuity was considered to be predominantly caused by corneal opacity. The influence of corneal irregular astigmatism on vision has been poorly understood to date, mainly because accurate quantification of irregular astigmatism has been technically challenging...
September 19, 2017: Cornea
https://www.readbyqxmd.com/read/28935731/draft-genome-sequence-of-aspergillus-persii-nibrfgc000004109-which-has-antibacterial-activity-against-plant-pathogenic-bacteria
#5
Jung A Kim, Jongbum Jeon, Sook-Young Park, Ki-Tae Kim, Gobong Choi, Hoa Thi Nguyen, Sun Jeong Jeon, Hyang Burm Lee, Chang-Hwan Bae, Hee-Sun Yang, Joo-Hong Yeo, Jin-Cheol Kim, Yong-Hwan Lee, Soonok Kim
The fungus Aspergillus persii strain NIBRFGC000004109 is capable of producing penicillic acid and showed antibacterial activity against various plant-pathogenic bacteria, including Xanthomonas arboricola pv. pruni. Here, we report the first draft whole-genome sequence of A. persii The assembly comprises 38,414,373 bp, with 12 scaffolds.
September 21, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28934489/antisense-oligonucleotides-targeting-translation-inhibitory-elements-in-5-utrs-can-selectively-increase-protein-levels
#6
Xue-Hai Liang, Hong Sun, Wen Shen, Shiyu Wang, Joyee Yao, Michael T Migawa, Huynh-Hoa Bui, Sagar S Damle, Stan Riney, Mark J Graham, Rosanne M Crooke, Stanley T Crooke
A variety of diseases are caused by deficiencies in amounts or activity of key proteins. An approach that increases the amount of a specific protein might be of therapeutic benefit. We reasoned that translation could be specifically enhanced using trans-acting agents that counter the function of negative regulatory elements present in the 5' UTRs of some mRNAs. We recently showed that translation can be enhanced by antisense oligonucleotides (ASOs) that target upstream open reading frames. Here we report the amount of a protein can also be selectively increased using ASOs designed to hybridize to other translation inhibitory elements in 5' UTRs...
September 19, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28934457/highly-pathogenic-avian-influenza-a-h5n1-viruses-at-the-animal-human-interface-in-vietnam-2003-2010
#7
Adrian Creanga, Nguyen Le Khanh Hang, Vuong Duc Cuong, Ha T Nguyen, Hoang Vu Mai Phuong, Le Thi Thanh, Nguyen Co Thach, Pham Thi Hien, Nguyen Tung, Yunho Jang, Amanda Balish, Nguyen Hoang Dang, Mai Thuy Duong, Ngo Thu Huong, Do Ngoc Hoa, Nguyen Dang Tho, Alexander Klimov, Bryan K Kapella, Larisa Gubareva, James C Kile, Nguyen Tran Hien, Le Quynh Mai, C Todd Davis
Mutation and reassortment of highly pathogenic avian influenza A(H5N1) viruses at the animal-human interface remain a major concern for emergence of viruses with pandemic potential. To understand the relationship of H5N1 viruses circulating in poultry and those isolated from humans, comprehensive phylogenetic and molecular analyses of viruses collected from both hosts in Vietnam between 2003 and 2010 were performed. We examined the temporal and spatial distribution of human cases relative to H5N1 poultry outbreaks and characterized the genetic lineages and amino acid substitutions in each gene segment identified in humans relative to closely related viruses from avian hosts...
September 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28929600/stable-oxindolyl-based-chichibabin-s-hydrocarbon-and-m%C3%A3-ller-s-hydrocarbon-analogues
#8
Jishan Wu, Jian Wang, Xingdong Xu, Hoa Phan, Tun Seng Herng, Tullimilli Y Gopalakrishna, Guangwu Li, Jun Ding
Chichibabin's hydrocarbon and Müller's hydrocarbon are classical open-shell singlet diradicaloids but they are highly reactive. Herein we report the successful synthesis of their respective stable analogues, OxR-2 and OxR-3, based on the newly developed oxindolyl radical. X-ray crystallographic analysis on OxR-2 reveals a planar quinoidal backbone similar to Chichibabin's hydrocarbon, in accordance with its small diradical character (y0 = 11.1%) and large singlet-triplet gap (ΔES-T = -10.8 kcal/mol). Variable-temperature NMR studies on OxR-2 disclose a slow cis-/trans- isomerization process in solution through a diradical transition state, with a moderate energy barrier (ΔGǂ298K = 15~16 kcal/mol)...
September 20, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28928983/influences-of-27-gauge-vitrectomy-on-corneal-topographic-conditions
#9
Takafumi Hirashima, Takao Utsumi, Miou Hirose, Hideyasu Oh
PURPOSE: To evaluate the influences of 27-gauge vitrectomy on corneal topographic conditions. METHOD: Fifty-six eyes of 56 patients undergoing 27-gauge vitrectomy were retrospectively studied. Twenty-three eyes with epiretinal membrane (ERM), 23 eyes with macular hole (MH), and 10 eyes with proliferative diabetic retinopathy (PDR) were included. Forty-five of the 56 eyes underwent 27-gauge phacovitrectomy (group 1), and the remaining 11 eyes underwent 27-gauge vitrectomy alone (group 2)...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28928521/comparative-analysis-of-carotenoid-content-in-momordica-cochinchinensis-cucurbitaceae-collected-from-australia-thailand-and-vietnam
#10
Dilani Wimalasiri, Robert Brkljača, Terrence J Piva, Sylvia Urban, Tien Huynh
Momordica cochinchinensis (Cucurbitaceae) is the richest source of lycopene and β-carotene of all known fruits but the influences of collection sites, variety and environment on carotenoid accumulation is unknown. This study analysed the carotenoid content of 44 M. cochinchinensis aril samples collected from Australia, Thailand and Vietnam using HPLC, UV-visible spectrophotometry and compared with the colorimetry method. The highest lycopene content was observed in samples collected from Ha Noi (7.76 mg/g) of Northern Vietnam and Lam Ha (6...
August 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28927496/occupational-strain-as-a-risk-for-hip-osteoarthritis
#11
Annekatrin Bergmann, Ulrich Bolm-Audorff, Daniel Krone, Andreas Seidler, Falk Liebers, Johannes Haerting, Alice Freiberg, Susanne Unverzagt
BACKGROUND: Multiple epidemiological studies have revealed an association between occupational physical strain and the risk of developing hip osteoarthritis. METHODS: To determine the association between the lifting and carrying of heavy loads or other physically demanding work and the risk of hip osteoarthritis (HOA) or total hip replacement (THR), we systematically searched the literature for primary studies on the effects of exposure to physical strain and meta-analytically reviewed the results that were amenable to comparisons across studies...
September 4, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28917399/variability-in-angle-%C3%AE%C2%BA-and-its-influence-on%C3%A2-higher-order-aberrations-in%C3%A2-pseudophakic-eyes
#12
Annette Harrer, Nino Hirnschall, Juan Tabernero, Pablo Artal, Petra Draschl, Sophie Maedel, Oliver Findl
PURPOSE: To observe the variability in angle κ in pseudophakic patients and assess its correlation with optical biometry measurements and higher-order aberrations (HOAs). SETTING: Hanusch Hospital, Vienna, Austria. DESIGN: Prospective case series. METHODS: This study included patients who had cataract surgery 3 months to 1 year before study recruitment. In all cases, Purkinje meter images were taken. In addition, partial coherence interferometry measurement (IOLMaster) of the axial intraocular lens (IOL) position was performed...
August 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28905822/higher-order-aberration-4-years-after-corneal-collagen-cross-linking
#13
Mohammad Naderan, Ali Jahanrad
PURPOSE: Corneal collagen cross-linking (CXL) is a treatment strategy used in keratoconic eyes. Evaluation of long-term changes of higher-order aberrations (HOAs) after CXL is useful in understanding the efficacy of this procedure in improving optical, refractive, and visual acuity. This study aims to investigate the long-term effect of CXL on ocular HOA in patients with progressive keratoconus (KC). METHODS: Using an OPD-Scan II aberrometer, ocular HOAs measurements of 56 eyes of 56 patients that underwent CXL was evaluated at the baseline, 1, 2, and 4 years after the procedure...
September 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28901288/multiple-conserved-cell-adhesion-protein-interactions-mediate-neural-wiring-of-a-sensory-circuit-in-c-elegans
#14
Byunghyuk Kim, Scott W Emmons
Nervous system function relies on precise synaptic connections. A number of widely-conserved cell adhesion proteins are implicated in cell recognition between synaptic partners, but how these proteins act as a group to specify a complex neural network is poorly understood. Taking advantage of known connectivity in C. elegans, we identified and studied cell adhesion genes expressed in three interacting neurons in the mating circuits of the adult male. Two interacting pairs of cell surface proteins independently promote fasciculation between sensory neuron HOA and its postsynaptic target interneuron AVG: BAM-2/neurexin-related in HOA binds to CASY-1/calsyntenin in AVG; SAX-7/L1CAM in sensory neuron PHC binds to RIG-6/contactin in AVG...
September 13, 2017: ELife
https://www.readbyqxmd.com/read/28892235/beclabuvir-in-combination-with-asunaprevir-and-daclatasvir-for-hepatitis-c-virus-genotype-1-infection-a-systematic-review-and-meta-analysis
#15
Ali Mahmoud Ahmed, Mohamed Fahmy Doheim, Omar Mohamed Mattar, Nourin Ali Sherif, Duy Hieu Truong, Pham Thi Le Hoa, Kenji Hirayama, Nguyen Tien Huy
Daclatasvir, asunaprevir, and beclabuvir are direct-acting antivirals for patients with hepatitis C virus genotype 1 infection. This systematic review and meta-analysis investigating the efficacy and safety of this three-drug combination in HCV genotype 1 infection. Eleven electronic search engines were searched for relevant publications. Studies were screened for eligibility and data was extracted. The outcomes were pooled as event rate and risk ratio. The protocol was registered in PROSPERO (CRD42017054391)...
September 11, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28888393/hypertrophic-osteoarthropathy-in-a-young-adult-male-from-berber-sudan-2nd-3rd-century-ce
#16
M Binder, M Saad
Hypertrophic osteoarthropathy (HOA) is a pathological condition characterised by extensive periosteal new bone formation (NBF) on the diaphyses of the long bones, metacarpal and metatarsal bones. In modern clinical contexts, the secondary form of the disease is common and most often occurs secondary to intra-thoracic cancer and other forms of chronic pulmonary disease. Paleopathological evidence for HOA on the other hand has only occasionally been reported. Here we report a young adult male from the Meriotic cemetery at Berber in Sudan (2nd-3rd century CE) displaying widespread NBF on the diaphyses of the upper and lower limb bones, metacarpal and metatarsal bones, as well as the pelvis and scapulae...
September 2017: International Journal of Paleopathology
https://www.readbyqxmd.com/read/28885672/a-comparative-study-of-the-visual-outcomes-between-a-new-trifocal-and-an-extended-depth-of-focus-intraocular-lens
#17
Ramón Ruiz-Mesa, Antonio Abengózar-Vela, María Ruiz-Santos
PURPOSE: To evaluate and compare the visual outcomes and ocular optical performance of the PanOptix trifocal intraocular lens (IOL) and Symfony extended range of vision IOL. METHODS: Sixty-eight eyes of 34 patients were divided into 2 groups: 20 patients with the PanOptix IOL and 14 patients with the Symfony IOL. Binocular uncorrected distance visual acuity, best-corrected distance visual acuity (BCDVA), distance-corrected intermediate visual acuity (DCIVA) at 80 and 60 cm, and distance-corrected near visual acuity (DCNVA) at 40 cm were evaluated...
September 8, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28885626/evidence-for-a-primate-origin-of-zoonotic-helicobacter-suis-colonizing-domesticated-pigs
#18
Bram Flahou, Mirko Rossi, Jaco Bakker, Jan Am Langermans, Edwin Heuvelman, Jay V Solnick, Miriam E Martin, Jani O'Rourke, Le Duc Ngoan, Nguyen Xuan Hoa, Masahiko Nakamura, Anders Øverby, Hidenori Matsui, Hiroyoshi Ota, Takehisa Matsumoto, Dennis L Foss, Laurice A Kopta, Oladipo Omotosho, Maria Pia Franciosini, Patrizia Casagrande Proietti, Aizhen Guo, Han Liu, Gabriela Borilova, Ana Paula Bracarense, Sara K Lindén, Sofie De Bruyckere, Guangzhi Zhang, Chloë De Witte, Annemieke Smet, Frank Pasmans, Richard Ducatelle, Jukka Corander, Freddy Haesebrouck
Helicobacter suis is the second most prevalent Helicobacter species in the stomach of humans suffering from gastric disease. This bacterium mainly inhabits the stomach of domesticated pigs, in which it causes gastric disease, but it appears to be absent in wild boars. Interestingly, it also colonizes the stomach of asymptomatic rhesus and cynomolgus monkeys. The origin of modern human-, pig- or non-human primate-associated H. suis strains in these respective host populations was hitherto unknown. Here we show that H...
September 8, 2017: ISME Journal
https://www.readbyqxmd.com/read/28885355/secondary-hypertrophic-osteoarthropathy-caused-by-non-pleural-or-pulmonary-tumors
#19
MULTICENTER STUDY
Hans-Jonas Meyer, Leonard Leifels, Andreas Gunter Bach, Alexey Surov
Hypertrophic osteoarthropathy (HOA) is a rare paraneoplastic syndrome characterized by digital clubbing, periosteal reaction, polyarthralgia, arthritis, and synovitis. Herein, we report a case series of patients with secondary HOA caused by non-pleural or pulmonary tumors.The radiologic databases of 2 tertiary university hospitals were retrospectively screened for secondary HOA patients. In addition, a systemic review of the published case reports. Only HOA cases with non-pleural or pulmonary malignancies were involved into the study...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28882362/independent-association-of-joint-space-narrowing-cyst-formation-and-health-related-quality-of-life-of-patients-with-hip-osteoarthritis-in-japan
#20
Yasuhiko Takegami, Taisuke Seki, Yoshitoshi Higuchi, Daigo Komatsu, Yoshihiro Nishida, Naoki Ishiguro
INTRODUCTION: This study clarified individual associations of joint space narrowing (JSN) and radiographic features (RF) of hip osteoarthritis (HOA), i.e., cyst and osteophyte formation and subchondral sclerosis, with quality of life (QOL) in Japanese HOA patients. METHODS: This cross-sectional study comprised 117 Japanese HOA patients (98 women, 17 men; mean age, 61.2 years). We recorded locations and the size of each RF and measured JSN on the acetabular side (Ace) or femoral head (FH)...
September 4, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
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