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https://www.readbyqxmd.com/read/29779073/hanging-undifferentiated-embryonal-sarcoma-of-the-liver-in-adult-an-unusual-presentation-of-an-aggressive-tumor
#1
Narendra Pandit, Kunal Bikram Deo, Lokesh Shekher Jaiswal, Anju Pradhan, Shailesh Adhikary
No abstract text is available yet for this article.
May 19, 2018: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/29778910/a-case-of-vascular-ehlers-danlos-syndrome-with-a-cardiomyopathy-and-multi-system-involvement
#2
Nick Si Rui Lan, Michael Fietz, Nicholas Pachter, Vincent Paul, David Playford
Ehlers-Danlos Syndrome comprises a heterogeneous group of heritable connective tissue disorders resulting from various gene mutations. We present an unusual case of vascular Ehlers-Danlos Syndrome with distinctive physical characteristics and a cardiomyopathy with features suggesting isolated left ventricular non-compaction. The cardiac features represent the first report of a cardiomyopathy associated with a mutation in the COL3A1 gene. This case also illustrates the multi-system nature of Ehlers-Danlos Syndrome and the complexity of managing patients with the vascular subtype...
April 24, 2018: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/29778619/-a-very-unusual-pleural-presentation
#3
F Vergne, R Le Mao, L Simonin, R Descourt, F Couturaud, A Barnier, C Tromeur
Urinothorax refers to the presence of urine in the pleural space. Urinothorax is an infrequent and underdiagnosed pathology, with few cases reported, and these often suspected only with hindsight. It is usually a transudative pleural effusion. We report a case of urinothorax presenting as a purulent pleural effusion. Management of the urinothorax required antibiotics and surgical unblocking of the urinary tract. Currently, no test is available to confirm the diagnosis. The ratio of serum creatinine/pleural creatinine could suggest the presence of urinothorax but this parameter needs to be validated by complementary studies...
May 16, 2018: Revue des Maladies Respiratoires
https://www.readbyqxmd.com/read/29778571/phenylacetylene-bearing-3-4-seco-cleistanthane-diterpenoids-from-the-roots-of-phyllanthus-glaucus
#4
Zhaodi Wu, Yongji Lai, Qing Zhang, Shuangshuang Xie, Mi Zhang, Zhengxi Hu, Xiao-Nian Li, Jianping Wang, Zengwei Luo, Yongbo Xue, Qun Zhou, Hucheng Zhu, Yonghui Zhang
Three new cleistanthane diterpenoids, phyllanglins A-C (1-3), a new natural product, 4-acetyl-bergenin (4), and three known compounds (5-7) were isolated from the roots of Phyllanthus glaucus. Their structures were elucidated by extensive spectroscopic data analyses and single-crystal X-ray diffraction. Phyllanglins A-C were unusual cleistanthane diterpenoids with phenylacetylene moieties, and a plausible biogenetic pathway was proposed to discuss the origins of them. All of the isolates were evaluated for their anti-inflammatory activities...
May 17, 2018: Fitoterapia
https://www.readbyqxmd.com/read/29778327/an-unusual-etiology-of-vocal-tremor-in-a-professional-singer
#5
REVIEW
Bridget L Hopewell, Cristen Paige, David O Francis
Vocal tremor is a neurologic disorder with myriad etiologies (eg, Parkinson disease, medications, or essential tremor). Vocal tremor can limit intelligibility and social interaction and can result in isolation in nonprofessional voice users. In a professional singer whose entire career is based on voice quality, onset of a vocal tremor is devastating. We report a case of sudden-onset vocal tremor that impeded a young professional singer's ability to perform and record her album. The etiology was determined to be a medication side effect of lamotrigine; a reaction that has not been previously reported...
May 16, 2018: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/29777941/characterization-of-the-binding-of-a-novel-antitumor-drug-ibrutinib-with-human-serum-albumin-insights-from-spectroscopic-calorimetric-and-docking-studies
#6
Bin Tang, Peixiao Tang, Jiawei He, Hongqin Yang, Hui Li
Ibrutinib (IBR) is a novel Bruton's tyrosine kinase inhibitor and shows good efficacy for several B-cell malignancies. In the current study, the molecular mechanism of the interaction between IBR and the transport protein human serum albumin (HSA) was ascertained by spectroscopic, calorimetric, and docking studies. Detailed investigations on affinity parameter, binding model, conformational change, and site selectivity were implemented by receptor-based and ligand-based analysis. An unusual fluorescence co-quenching (mutual quenching) was observed in the binding of IBR to HSA, followed by a static mechanism...
May 16, 2018: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29777841/acute-ischemic-pancreatitis-secondary-to-aortic-dissection
#7
Rong Wang, Jun-Ming Zhu, Rui-Dong Qi, Yong-Min Liu, Jun Zheng, Nan Zhang, Li-Zhong Sun
OBJECTIVE: Acute ischemic pancreatitis secondary to aortic dissection is very rare with an unclarified mechanism. We retrospectively reviewed six such cases in our center and present their outcomes herein. MATERIAL AND METHODS: Between February 2009 and April 2017, six patients (male=2, female=4; mean age, 58 ± 8, range 47-70) years) with acute aortic dissection associated with pancreatitis were admitted to our center. There were three type A and three type B dissections...
May 16, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29777599/immense-random-colocalization-revealed-by-automated-high-content-image-cytometry-seriously-questions-fish-as-gold-standard-for-detecting-eml4-alk-fusion
#8
Gábor Smuk, Tamás Tornóczky, László Pajor, Ilse Chudoba, Béla Kajtár, Veronika Sárosi, Gábor Pajor
EML4-ALK gene fusion (inv2(p21p23)) of non-small cell lung cancer (NSCLC) predisposes to tyrosine kinase inhibitor treatment. One of the gold standard diagnostics is the dual color (DC) break-apart (BA) FISH technique, however, the unusual closeness of the involved genes has been suggested to raise likelihood of random co-localization (RCL) of signals. Although this is suspected to decrease sensitivity (often to as low as 40-70%), the exact level and effect of RCL has not been revealed thus far. Signal distances were analyzed to the 0...
May 19, 2018: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/29777592/early-identification-of-unusually-clustered-mutations-and-a-root-cause-in-therapeutic-antibody-development
#9
Yueming Qian, Zhiqiang Chen, Xin Huang, Xuning Wang, Xuankuo Xu, Stefan Kirov, Richard Ludwig, Nan-Xin Qian, Kandasamy Ravi, Li Tao, Michael C Borys, Zheng Jian Li
This study reports findings of an unusual cluster of mutations spanning 22 base pairs in a monoclonal antibody (mAb) expression vector. It was identified by two orthogonal methods: mass spectrometry on expressed protein and next-generation sequencing (NGS) on the plasmid DNA. While the initial NGS analysis confirmed the designed sequence modification, intact mass analysis detected an additional mass of the antibody molecule expressed in CHO cells. The extra mass was eventually found to be associated with unmatched nucleotides in a distal region by checking full-length sequence alignment plots...
May 19, 2018: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/29777512/discovery-of-an-acidic-thermostable-and-highly-nadp-dependent-formate-dehydrogenase-from-lactobacillus-buchneri-nrrl-b-30929
#10
Saadet Alpdağtaş, Sevil Yücel, Handan Açelya Kapkaç, Siqing Liu, Barış Binay
OBJECTIVES: To identify a robust NADP+ dependent formate dehydrogenase from Lactobacillus buchneri NRRL B-30929 (LbFDH) with unique biochemical properties. RESULTS: A new NADP+ dependent formate dehydrogenase gene (fdh) was cloned from genomic DNA of L. buchneri NRRL B-30929. The recombinant construct was expressed in Escherichia coli BL21(DE3) with 6 × histidine at the C-terminus and the purified protein obtained as a single band of approx. 44 kDa on SDS-PAGE and 90 kDa on native-PAGE...
May 18, 2018: Biotechnology Letters
https://www.readbyqxmd.com/read/29777121/magneto-absorption-spectra-of-hydrogen-like-yellow-exciton-series-in-cuprous-oxide-excitons-in-strong-magnetic-fields
#11
Sergey Artyukhin, Dmitry Fishman, Clément Faugeras, Marek Potemski, Alexandre Revcolevschi, Maxim Mostovoy, Paul H M van Loosdrecht
We study the absorption spectra of the yellow excitons in Cu2 O in high magnetic fields using polarization-resolved optical absorption measurements with a high frequency resolution. We show that the symmetry of the yellow exciton results in unusual selection rules for the optical absorption of polarized light and that the mixing of ortho- and para- excitons in magnetic field is important. The calculation of the energies of the yellow exciton series in strong and weak magnetic field limits suggests that a broad n = 2 line is comprized by two closely overlapping lines, gives a good fit to experimental data and allows to interpret the complex structure of excitonic levels...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29777088/ten-minute-chat
#12
(no author information available yet)
Tariq Abou-Zahr is an exotics resident at Great Western Exotics, Swindon - a centre of excellence for avian and exotic pets. Having kept birds and reptiles since he was a child, he has a keen interest in unusual species.
May 19, 2018: Veterinary Record
https://www.readbyqxmd.com/read/29776949/an-unusual-case-of-chronic-nasal-foreign-body
#13
Kate Hulse, Christopher Thompson, Rohit Gohil, Iain Hathorn
No abstract text is available yet for this article.
May 18, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29776790/-modern-treatment-of-mesenteric-ischemia
#14
Alexandre Nuzzo, Audrey Huguet, Olivier Corcos
Acute mesenteric ischemia is a highly morbid affliction which requires urgent care. Acute mesenteric ischemia consists in an ischemia injury of the small bowel, secondary to vascular insufficiency, either occlusive (thrombosis, embolism, arterial, venous) or non-occlusive (low flow or vasospasm). Given that the superior mesenteric artery supplies the small bowel as well as the right part of the colon, any ischemic process involving the right colon should be considered an acute mesenteric ischemia until proven otherwise...
May 15, 2018: La Presse Médicale
https://www.readbyqxmd.com/read/29776162/voronoi-glass-forming-liquids-a-structural-study
#15
C Ruscher, J Baschnagel, J Farago
We introduce a theoretical model of simple fluid, whose interactions, defined in terms of the Voronoi cells of the configurations, are local and many-body. The resulting system is studied both theoretically and numerically. We show that the fluid, though sharing the global features of other models of fluids with soft interactions, has several unusual characteristics, which are investigated and discussed.
March 2018: Physical Review. E
https://www.readbyqxmd.com/read/29776057/floquet-states-of-a-kicked-particle-in-a-singular-potential-exponential-and-power-law-profiles
#16
Sanku Paul, M S Santhanam
It is well known that, in the chaotic regime, all the Floquet states of kicked rotor system display an exponential profile resulting from dynamical localization. If the kicked rotor is placed in an additional stationary infinite potential well, its Floquet states display power-law profile. It has also been suggested in general that the Floquet states of periodically kicked systems with singularities in the potential would have power-law profile. In this work, we study the Floquet states of a kicked particle in finite potential barrier...
March 2018: Physical Review. E
https://www.readbyqxmd.com/read/29775966/an-enigmatic-case-presentation-of-budd-chiari-syndrome-with-pulmonary-embolism-an-unusual-syndrome-with-an-uncommon-complication
#17
A M Al-Sharydah, A H Al-Abdulwahhab, H A Abu AlOla
INTRODUCTION: In patients with a hypercoagulable state, such as patients with pulmonary embolism and/or Budd-Chiari syndrome, the complications from multiple gene mutations are more numerous than those from a single mutation. The authors present a woman with no major prior medical history who presented with pulmonary embolism and Budd-Chiari syndrome; this enigmatic co-occurrence has never been solely reported without underlying aetiology in a patient without prior medical conditions...
May 3, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29775917/difficulties-in-interpretation-when-assessing-prolonged-and-subacute-exposure-to-the-toxic-effects-of-chlorine
#18
Marek Wiergowski, Ireneusz Sołtyszewski, Jacek Sein Anand, Michał Kaliszan, Jolanta Anita Wilmanowska, Zbigniew Jankowski, Marcin Łukasik
The purpose of this study was a toxicological interpretation of exposure to chlorine with unusual course. Medical, clinical and court records, as well as reviews of the literature, served as the basis for this interpretation. The first case of poisoning concerns a 52-year-old man who for a short time (probably several hours), during the industrial cleaning of facilities with sodium hypochlorite, was exposed to chlorine in a presumed high concentration. The man was obese and suffered from hypertension and moderate atherosclerosis, and therefore could be more susceptible to the toxic effects of chlorine...
May 8, 2018: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/29775847/strategies-for-a-multi-stage-neutralizing-antibody-based-hiv-vaccine
#19
REVIEW
Raiees Andrabi, Jinal N Bhiman, Dennis R Burton
A critical property of a prophylactic HIV vaccine is likely to be its ability to elicit broadly neutralizing antibodies (bnAbs). BnAbs typically have multiple unusual features and are generated in a fraction of HIV-infected individuals through complex pathways. Current vaccine design approaches seek to trigger rare B cell precursors and then steer affinity maturation toward bnAbs in a multi-stage multi-component immunization approach. These vaccine design strategies have been facilitated by molecular descriptions of bnAb interactions with stabilized HIV trimers, the use of an array of sophisticated approaches for immunogen design, the development of novel animal models for immunogen evaluation and advanced technologies to interrogate antibody responses...
May 15, 2018: Current Opinion in Immunology
https://www.readbyqxmd.com/read/29775789/e-coli-encoding-blandm-5-associated-with-community-acquired-uti-cases-with-unusual-mic-creep-like-phenomenon-against-imipenem
#20
Varsha Rani Gajamer, Amitabha Bhattacharjee, Deepjyoti Paul, Chandrayee Deshamukhya, Ashish Kr Singh, Nilu Pradhan, Hare Krishna Tiwari
OBJECTIVES: Carbapenemase-producing Escherichia coli are of major clinical concern. The present study aimed to identify NDM-5 producing E.coli associated with community-acquired urinary tract infection, co-harboring ESBL genes and a pattern of imipenem MIC creep. METHODS: A total of 973 urine samples were collected from females of age between 18-49 diagnosed with UTI. Isolates were identified by standard microbiological procedures. Presence of blaNDM and ESBL genes was determined by PCR assay and sequencing...
May 15, 2018: Journal of Global Antimicrobial Resistance
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