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https://www.readbyqxmd.com/read/28238710/solving-the-conundrum-of-insoluble-protein-aggregates
#1
Sonia George, Patrik Brundin
No abstract text is available yet for this article.
February 23, 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28224461/zinc-the-other-suspected-environmental-factor-in-kashin-beck-disease-in-addition-to-selenium
#2
REVIEW
Xi Wang, Yujie Ning, Lei Yang, Fangfang Yu, Xiong Guo
Kashin-Beck disease (KBD) is an endemic chronic osteochondral disease characterized by high prevalence, disability, and morbidity and is distributed from the northeast to the southwest in China, in some regions of Eastern Siberia in Russia, and in North Korea. Although the selenium deficiency etiological hypothesis for KBD has been proposed by scientists for decades, the idea that selenium deficiency is one of the most important environmental factors but not the primary and sole pathogenic factor for KBD has been widely accepted...
February 21, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28224049/the-role-of-topical-antiseptic-agents-within-antimicrobial-stewardship-strategies-for-prevention-and-treatment-of-surgical-site-and-chronic-open-wound-infection
#3
Christopher D Roberts, David J Leaper, Ojan Assadian
Scope and Significance: The topical use of antiseptics for wound care has a role in an antimicrobial stewardship strategy. However, the details of this role need clarification. Further clinical research into the use of topical antiseptics in wound care would lower the risk of furthering antibiotic resistance and contribute to more effective antibiotic use. As part of this research, experimental and surveillance data are needed on the resistance and tolerance patterns associated with topical antiseptic use in wound infections...
February 1, 2017: Advances in Wound Care
https://www.readbyqxmd.com/read/28219922/clinical-conundrum-of-coronary-artery-disease-and-aortic-valve-stenosis
#4
EDITORIAL
Abdallah El Sabbagh, Rick A Nishimura
No abstract text is available yet for this article.
February 20, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28218752/the-hla-conundrum-in-bone-marrow-transplantation-correct-interpretation-of-anti-hla-antibodies-in-haploidentical-donor-selection
#5
A L Dias, S Hashmi, W Hogan, N Baig, L Wakefield, J Kreuter, M J Gandhi
No abstract text is available yet for this article.
February 20, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28216964/intraepithelial-lymphocytes-scores-mimickers-and-challenges-in-diagnosing-gluten-sensitive-enteropathy-celiac-disease
#6
REVIEW
Consolato Sergi, Fan Shen, Gerd Bouma
The upper digestive tract is routinely scoped for several causes of malabsorption, and the number of duodenal biopsy specimens has increased notably in the last 10 years. Gluten-sensitive enteropathy (GSE) is an autoimmune disease, which shows an increasing prevalence worldwide and requires a joint clinico-pathological approach. The classical histopathology of GSE with partial or total villous blunting is well recognized, but the classification of GSE is not straightforward. Moreover, several mimickers of GSE with intraepithelial lymphocytosis have been identified in the last 20 years, with drug interactions and medical comorbidities adding to the conundrum...
January 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28212756/the-holy-grail-solid-tumor-efficacy-by-proteasome-inhibition
#7
Mark Rolfe
Proteasome inhibitors have revolutionized the treatment of multiple myeloma but have had disappointing results when treating solid tumors. The work of Weyburne et al. (2017), published in this issue of Cell Chemical Biology, sheds some light on this conundrum and suggests a novel approach to achieve solid tumor efficacy.
February 16, 2017: Cell Chemical Biology
https://www.readbyqxmd.com/read/28211041/a-granulomatous-conundrum-concurrent-necrobiosis-lipoidica-cutaneous-sarcoidosis-and-erythema-nodosum-in-a-nondiabetic-patient
#8
Nishant Valecha, Genevieve Bennett, Leona Yip
Necrobiosis lipoidica (NL) and cutaneous sarcoidosis are granulomatous disorders with a largely unknown aetiopathogenesis. Evidence of co-existing NL and sarcoidosis in the same patient may suggest a degree of overlap between these entities through shared granulomatous inflammatory pathways. Occasionally, one condition can mimic the other, making their distinction difficult. We report a novel case of a non-diabetic woman who presented with concurrent NL, cutaneous sarcoidosis and erythema nodosum. We discuss some of the complexities distinguishing these entities and propose that they may represent different stages of the same granulomatous process linked through yet unknown pathomechanisms...
February 17, 2017: Australasian Journal of Dermatology
https://www.readbyqxmd.com/read/28208600/invariant-chain-complexes-and-clusters-as-platforms-for-mif-signaling
#9
REVIEW
Robert Lindner
Invariant chain (Ii/CD74) has been identified as a surface receptor for migration inhibitory factor (MIF). Most cells that express Ii also synthesize major histocompatibility complex class II (MHC II) molecules, which depend on Ii as a chaperone and a targeting factor. The assembly of nonameric complexes consisting of one Ii trimer and three MHC II molecules (each of which is a heterodimer) has been regarded as a prerequisite for efficient delivery to the cell surface. Due to rapid endocytosis, however, only low levels of Ii-MHC II complexes are displayed on the cell surface of professional antigen presenting cells and very little free Ii trimers...
February 10, 2017: Cells
https://www.readbyqxmd.com/read/28206677/human-adaptation-to-arsenic-in-andean-populations-of-the-atacama-desert
#10
Mario Apata, Bernado Arriaza, Elena Llop, Mauricio Moraga
OBJECTIVES: Quebrada Camarones, in the Atacama Desert, has the highest arsenic levels in the Americas (>1,000 µg/L). However, the Camarones people have subsisted in this adverse environment during the last 7,000 years and have not presented any epidemiological emergencies. Therefore, to solve this conundrum we compared the frequencies of four protective genetic variants of the AS3MT gene associated with efficient arsenic metabolization, between the living populations of Camarones and two other populations historically exposed to lower levels of arsenic...
February 16, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28197362/prognostic-impact-of-the-expression-of-ncr1-and-ncr3-nk-cell-receptors-and-pd-l1-on-advanced-non-small-cell-lung-cancer
#11
Laetitia Fend, Sylvie Rusakiewicz, Julien Adam, Bérangère Bastien, Anne Caignard, Meriem Messaoudene, Christina Iribarren, Isabelle Cremer, Aurélien Marabelle, Christophe Borg, Michaela Semeraro, Luc Barraud, Jean-Marc Limacher, Alexander Eggermont, Guido Kroemer, Laurence Zitvogel
The putative contribution of natural killer (NK) cells to immunosurveillance in non-small cell lung cancer (NSCLC) has been an ongoing conundrum. Here, we used a readily standardizable quantitative real time polymerase chain reaction (qRT-PCR) to measure the expression of NK cell receptors in total peripheral blood mononuclear cells (PBMC) from healthy volunteers (HV), patients with gastrointestinal stromal tumors (GIST), neuroblastoma (NB), melanoma or NSCLC. We quantified NCR1 (which codes for NKp46) and NCR3 (which codes for NKp30), as well as that of three NCR3 splice variants (which give rise to immunostimulatory NKp30A and NKp30B, as well as to immunosuppressive NKp30C)...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28195434/a-patient-with-both-methemoglobinemia-and-g6pd-deficiency-a-therapeutic-conundrum
#12
N Scott Reading, José A Ruiz-Bonilla, Robert D Christensen, William Cáceres-Perkins, Josef T Prchal
No abstract text is available yet for this article.
February 13, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28193680/conundrums-of-platelet-function-testing-does-sex-matter
#13
EDITORIAL
Amy Sarma, Michelle L O'Donoghue
No abstract text is available yet for this article.
February 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28192810/management-of-a-migrated-and-embedded-lumen-apposing-metal-stent-a-solution-to-an-emerging-conundrum
#14
Divyesh V Sejpal, Peter H Stein, Sumant Inamdar, Arvind J Trindade
No abstract text is available yet for this article.
February 2017: Endoscopy
https://www.readbyqxmd.com/read/28185863/offspring-mortality-was-a-determinant-factor-in-the-evolution-of-paternal-investment-in-humans-an-evolutionary-game-approach
#15
Diego López Alonso, Isabel M Ortiz-Rodríguez
Some researchers support the belief that man evolved philandering behavior because of the greater reproductive success of promiscuous males. According to this idea, deserting behavior from the man should be expected along with null paternal involvement in offspring care. Paradoxically however, the average offspring investment in the human male is far higher than that of any other male mammal, including other primates. In our work, we have addressed this conundrum by employing evolutionary game theory, using objective payoffs instead of, as are commonly used, arbitrary payoffs...
February 7, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28181143/the-complex-interplay-among-hepatocytes-and-immune-cells-at-the-crossroad-between-inflammation-and-cholesterol-metabolism-in-hyperglycemia
#16
Maurizio Bifulco, Simona Pisanti, Elena Ciaglia
An intriguing piece of evidence for the inflammatory story of type 2 diabetes has come to the light. A recent study by Okin and colleagues adds new clues to the interplay between cholesterol metabolism and immunity and how it impacts glucose homeostasis in inflammatory conditions. But some questions are a still unsolved conundrum. Here we suggest to better dissect the regulatory mechanism of Mevalonate pathway and to underpin a new causative link between immunometabolic dysregulation and diabetes.
February 8, 2017: Endocrine
https://www.readbyqxmd.com/read/28179252/aquaporin-2-membrane-targeting-still-a-conundrum
#17
Emma Tina Bisgaard Olesen, Robert A Fenton
The targeting of the water channel aquaporin-2 (AQP2) to the apical plasma membrane of kidney collecting duct principal cells is regulated mainly by the antidiuretic peptide hormone arginine vasopressin (AVP). This process is of crucial importance for the maintenance of body water homeostasis. In this brief review we assess the role of cyclic adenosine monophosphate (cAMP) and discuss the emerging concept that V2R-mediated AQP2 trafficking is cAMP-independent.
February 8, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28175987/a-child-presenting-with-severe-hypertension-and-circulatory-failure-a-diagnostic-conundrum-answers
#18
Werner Keenswijk, Patrick Verloo, Johan Vande Walle
No abstract text is available yet for this article.
February 8, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28170186/live-tissue-imaging-to-elucidate-mechanical-modulation-of-stem-cell-niche-quiescence
#19
Nicole Y C Yu, Connor A O'Brien, Iveta Slapetova, Renee M Whan, Melissa L Knothe Tate
The periosteum, a composite cellular connective tissue, bounds all nonarticular bone surfaces. Like Velcro, collagenous Sharpey's fibers anchor the periosteum in a prestressed state to the underlying bone. The periosteum provides a niche for mesenchymal stem cells. Periosteal lifting, as well as injury, causes cells residing in the periosteum (PDCs) to change from an immobile, quiescent state to a mobile, active state. The physical cues that activate PDCs to home to and heal injured areas remain a conundrum...
January 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28168077/a-case-of-neonatal-marfan-syndrome-a-management-conundrum-and-the-role-of-a-multidisciplinary-team
#20
Elliott J Carande, Samuel J Bilton, Satish Adwani
Neonatal Marfan syndrome (nMFS) is a rare condition with a poor prognosis. It is genotypically and phenotypically distinct from the typical Marfan syndrome and carries a poorer prognosis. This case report describes the progression of a 14-month-old girl diagnosed with nMFS at 5 months of age. Her diagnosis followed the identification of a fibrillin-1 mutation (FBN1 gene, exon 26, chromosome 15), which is a common locus of nMFS. This patient developed severe cardiac complications resulting in congestive cardiac failure in early life and required major cardiac surgery...
2017: Case Reports in Pediatrics
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