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https://www.readbyqxmd.com/read/28329055/chylous-pericardial-effusion-after-pulmonary-lobectomy
#1
Weixiong Yang, Canqiao Luo, Zhenguo Liu, Chao Cheng
Chylous pericardial effusion is a rarely reported complication of lung cancer surgery. Here, we report a case of an elderly man who suffered chylous pericardial effusion after radical right upper lung resection for cancer. The massive chylous effusion first occurred in the pericardium, drained to the right chest after the drainage of the hydropericardium and subsequently moved back to the pericardium again. Lymphoscintigraphy examination indicated that a chylous fistula was present in the plane of the tracheal carina...
March 17, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28327190/primary-pain-generator-identification-by-ct-spect-in-a-patient-with-low-back-pain-a-case-report
#2
Gabriel Tender, Adriana Constantinescu, Andrew Conger, Anthony DiGiorgio
BACKGROUND: Chronic low back pain is one of the most common conditions encountered in the middle-age population. Identifying the primary pain generator is notoriously difficult. The computed tomography-single-photon emission computed tomography (CT-SPECT) is emerging as a new diagnostic modality for this purpose. CASE PRESENTATION: This 68-year-old Caucasian male presented with intractable low back pain refractory to maximal conservative treatment, including medication and extensive physical therapy...
March 21, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28326237/advances-in-the-fabrication-of-graphene-transistors-on-flexible-substrates
#3
Gabriele Fisichella, Stella Lo Verso, Silvestra Di Marco, Vincenzo Vinciguerra, Emanuela Schilirò, Salvatore Di Franco, Raffaella Lo Nigro, Fabrizio Roccaforte, Amaia Zurutuza, Alba Centeno, Sebastiano Ravesi, Filippo Giannazzo
Graphene is an ideal candidate for next generation applications as a transparent electrode for electronics on plastic due to its flexibility and the conservation of electrical properties upon deformation. More importantly, its field-effect tunable carrier density, high mobility and saturation velocity make it an appealing choice as a channel material for field-effect transistors (FETs) for several potential applications. As an example, properly designed and scaled graphene FETs (Gr-FETs) can be used for flexible high frequency (RF) electronics or for high sensitivity chemical sensors...
2017: Beilstein Journal of Nanotechnology
https://www.readbyqxmd.com/read/28324216/new-classification-for-the-treatment-of-pyogenic-spondylodiscitis-validation-study-on-a-population-of-250-patients-with-a-follow-up-of-2%C3%A2-years
#4
Enrico Pola, G Autore, V M Formica, V Pambianco, D Colangelo, R Cauda, M Fantoni
PURPOSE: Pyogenic spondylodiscitis (PS) is still burdened by a high rate of orthopedic and neurological complications. Despite the rising incidence, the choice of a proper orthopedic treatment is often delayed by the lack of clinical data. The aim of this study was to propose a clinical-radiological classification of pyogenic spondylodiscitis to define a standard treatment algorithm. METHODS: Based on data from 250 patients treated from 2008 to 2015, a clinical-radiological classification of pyogenic spondylodiscitis was developed...
March 21, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28323705/etiology-of-adult-onset-stress-fracture-in-the-lumbar-spine
#5
Fumitake Tezuka, Koichi Sairyo, Toshinori Sakai, Akira Dezawa
STUDY DESIGN: This study was a case series. OBJECTIVE: The purpose of this paper was to present a case series of fresh stress fractures (spondylolysis) in the lumbar spines of adult athletes. SUMMARY OF BACKGROUND DATA: Lumbar spondylolysis is a stress fracture of the pars interarticularis, which is generally considered a disease of children or adolescence. There is only 1 case series written in English reporting on adult-onset fresh spondylolysis...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28320876/taking-a-step-back-from-back-translocation-an-integrative-view-of-lepa-ef4-s-cellular-function
#6
Jalyce L E Heller, Rajashekhar Kamalampeta, Hans-Joachim Wieden
Protein synthesis, the translation of mRNA into a polypeptide facilitated by the ribosome, is assisted by a variety of protein factors, some of which are GTPases. In addition to four highly conserved and well-understood GTPases with known function, there are also a number of non-canonical GTPases that are implicated in translation but whose functions are not fully understood. LepA/EF4 is one of these non-canonical GTPases. It is highly conserved and present in bacteria, mitochondria and chloroplasts, but its functional role in the cell remains unknown...
March 20, 2017: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/28320404/tryptophan-rich-domains-of-plasmodium-falciparum-surfin4-2-and-plasmodium-vivax-pvstp2-interact-with-membrane-skeleton-of-red-blood-cell
#7
Xiaotong Zhu, Yang He, Yifan Liang, Osamu Kaneko, Liwang Cui, Yaming Cao
BACKGROUND: Plasmodium falciparum dramatically alters the morphology and properties of the infected red blood cells (iRBCs). A large group of exported proteins participate in these parasite-host interactions occurring at the iRBC membrane skeleton. SURFIN4.2 is one of iRBC surface protein that belongs to surface-associated interspersed protein (SURFIN) family. Although the intracellular tryptophan-rich domain (WRD) was proposed to be important for the translocation of SURFINs from Maurer's clefts to iRBC surface, the molecular basis of this observation has yet to be defined...
March 20, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28314997/clinical-and-microbiological-outcomes-in-haematogenous-spondylodiscitis-treated-conservatively
#8
Tiziana Ascione, Giovanni Balato, Sigismondo Luca Di Donato, Pasquale Pagliano, Francesco Granata, Gianluca Colella, Carlo Ruosi
INTRODUCTION: Spondylodiscitis refers to infections of the intervertebral disc and the adjacent vertebral body. Although it is still considered a rare condition, its rate is projected to increase. Mortality rate is considered to be low, but an estimated one third of the survivors experience residual disabilities. Literature shows that uncomplicated spondylodiscitis can be adequately treated by early antibiotic therapy and immobilization. The aim of the study is to evaluate the outcome of conservative treatment in patients with haematogenous spondylodiscitis...
March 17, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28302935/factor-x-deficiency-with-heterozygous-mutations-of-novel-p-g435s-and-known-p-g244r-in-a-patient-presenting-with-severe-umbilical-hemorrhage
#9
Yoko Matsuo, Tatsuki Mizuochi, Miho Mitsuo, Shinichiro Nakagawa, Shuichi Ozono, Koichiro Ueda, Yoko Sogabe, Ritsuko Seki, Kenji Soejima, Takashi Okamura, Yushiro Yamashita
A 10-day-old male patient was referred to our hospital with severe umbilical bleeding. Prothrombin time (PT) and activated partial thromboplastin time (APTT) were prominently prolonged. Plasma coagulation factor X (FX) activity and antigen levels were 1% and 0.6%, respectively. A DNA sequence analysis of his leukocytes revealed a compound heterozygous state; known Gly244 to Arg (p.G244R) in exon 6 and a novel mutation of Gly 435 to Ser (p.G435S) in exon 8. A pedigree analysis showed that p.G244R originated from the paternal side, while p...
March 15, 2017: Kurume Medical Journal
https://www.readbyqxmd.com/read/28295705/re-the-freeze-thaw-cycle-in-cryosurgery
#10
David Buckley
I agree with Professor Zouboulis, in his article ''Is Cryosurgery Less Effective than Conservative Regimes in the Treatment of Actinic Keratosis?'' (1), when he argures that success rate when treating actinic keratosis with cryosurgery varies widely, largely because of a wide variation in the technique used. I have consistently achieved greater than 90% cure rates when using liquid nitrogen cryosurgery via a cryogun in the treatment of actinic keratosis, hand warts and plantar warts (2 and 3). As far back as 1982, Lubritze and colleagues were achieving a cure rate of greater than 98% after one year when treating actinic keratosis with liquid nitrogen cryosurgery (4)...
March 10, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28286510/genetic-structure-and-selection-of-a-core-collection-for-long-term-conservation-of-avocado-in-mexico
#11
Luis F Guzmán, Ryoko Machida-Hirano, Ernesto Borrayo, Moisés Cortés-Cruz, María Del Carmen Espíndola-Barquera, Elena Heredia García
Mexico, as the center of origin of avocado (Persea americama Mill.), harbors a wide genetic diversity of this species, whose identification may provide the grounds to not only understand its unique population structure and domestication history, but also inform the efforts aimed at its conservation. Although molecular characterization of cultivated avocado germplasm has been studied by several research groups, this had not been the case in Mexico. In order to elucidate the genetic structure of avocado in Mexico and the sustainable use of its genetic resources, 318 avocado accessions conserved in the germplasm collection in the National Avocado Genebank were analyzed using 28 markers [9 expressed sequence tag-Simple Sequence Repeats (SSRs) and 19 genomic SSRs]...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28279940/urban-rainwater-harvesting-systems-research-implementation-and-future-perspectives
#12
REVIEW
Alberto Campisano, David Butler, Sarah Ward, Matthew J Burns, Eran Friedler, Kathy DeBusk, Lloyd N Fisher-Jeffes, Enedir Ghisi, Ataur Rahman, Hiroaki Furumai, Mooyoung Han
While the practice of rainwater harvesting (RWH) can be traced back millennia, the degree of its modern implementation varies greatly across the world, often with systems that do not maximize potential benefits. With a global focus, the pertinent practical, theoretical and social aspects of RWH are reviewed in order to ascertain the state of the art. Avenues for future research are also identified. A major finding is that the degree of RWH systems implementation and the technology selection are strongly influenced by economic constraints and local regulations...
March 2, 2017: Water Research
https://www.readbyqxmd.com/read/28276661/anterior-lumbar-interbody-fusion-in-left-sided-inferior-vena-cava-and-right-sided-aortic-arch
#13
Kevin Phan, Bernard A M Fang, Monish M Maharaj, Andrew F Lennox, Ralph J Mobbs
Spinal fusion via anterior lumbar interbody fusion (ALIF) can offer symptomatic relief to patients that suffer severe low back pain, radiculopathy, and claudication. However, a detailed working knowledge of the thoracic, abdominal, and lumbar anatomy, particularly of the vasculature, is vital. We report the case of a 68-year-old man who presented with radiculopathy and progressively worsening low back pain despite 9 months of unsuccessful conservative therapy and pain management. Preoperative computed tomography and magnetic resonance imaging revealed a rare anatomical variation, with an anomalous left-sided inferior vena cava and anomalous aorta...
March 9, 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28276121/re-opening-the-window-on-fenestration-as-a-treatment-for-acute-thoracolumbar-intervertebral-disc-herniation-in-dogs
#14
P Freeman, N D Jeffery
Acute thoracolumbar intervertebral disc herniation in dogs is a common cause of "back" pain, pelvic limb paresis or paralysis and incontinence. Treatment of this condition has long been a source of controversy, especially since the introduction of surgical interventions in the 1950s. Unfortunately, formal clinical trials to compare efficacy of conservative and surgical interventions have never been carried out and the current lack of clinical equipoise on this subject now precludes such a trial on ethical grounds...
April 2017: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/28273063/krab-zinc-finger-proteins-contribute-to-the-evolution-of-gene-regulatory-networks
#15
Michaël Imbeault, Pierre-Yves Helleboid, Didier Trono
The human genome encodes some 350 Krüppel-associated box (KRAB) domain-containing zinc-finger proteins (KZFPs), the products of a rapidly evolving gene family that has been traced back to early tetrapods. The function of most KZFPs is unknown, but a few have been demonstrated to repress transposable elements in embryonic stem (ES) cells by recruiting the transcriptional regulator TRIM28 and associated mediators of histone H3 Lys9 trimethylation (H3K9me3)-dependent heterochromatin formation and DNA methylation...
March 8, 2017: Nature
https://www.readbyqxmd.com/read/28264817/regulation-of-cell-polarity-by-exocyst-mediated-trafficking
#16
Noemi Polgar, Ben Fogelgren
One requirement for establishing polarity within a cell is the asymmetric trafficking of intracellular vesicles to the plasma membrane. This tightly regulated process creates spatial and temporal differences in both plasma membrane composition and the membrane-associated proteome. Asymmetric membrane trafficking is also a critical mechanism to regulate cell differentiation, signaling, and physiology. Many eukaryotic cell types use the eight-protein exocyst complex to orchestrate polarized vesicle trafficking to certain membrane locales...
March 6, 2017: Cold Spring Harbor Perspectives in Biology
https://www.readbyqxmd.com/read/28264231/-lumbar-degenerative-kyphosis-is-not-byword-for-degenerative-sagittal-imbalance-time-to-replace-a-misconception
#17
REVIEW
Chang-Hyun Lee, Chun Kee Chung, Jee-Soo Jang, Sung-Min Kim, Dong-Kyu Chin, Jung-Kil Lee
Lumbar degenerative kyphosis (LDK) is a subgroup of the flat-back syndrome and is most commonly caused by unique life styles, such as a prolonged crouched posture during agricultural work and performing activities of daily living on the floor. Unfortunately, LDK has been used as a byword for degenerative sagittal imbalance, and this sometimes causes confusion. The aim of this review was to evaluate the exact territory of LDK, and to introduce another appropriate term for degenerative sagittal deformity. Unlike what its name suggests, LDK does not only include sagittal balance disorder of the lumbar spine and kyphosis, but also sagittal balance disorder of the whole spine and little lordosis of the lumbar spine...
March 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28261464/intraspecific-functional-diversity-of-common-species-enhances-community-stability
#18
Connor M Wood, Shawn T McKinney, Cynthia S Loftin
Common species are fundamental to the structure and function of their communities and may enhance community stability through intraspecific functional diversity (iFD). We measured among-habitat and within-habitat iFD (i.e., among- and within-plant community types) of two common small mammal species using stable isotopes and functional trait dendrograms, determined whether iFD was related to short-term population stability and small mammal community stability, and tested whether spatially explicit trait filters helped explain observed patterns of iFD...
March 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28259265/benign-natural-history-of-spondylolysis-in-adolescence-with-midterm-follow-up
#19
Ted Sousa, David L Skaggs, Priscella Chan, Kent T Yamaguchi, Jerald Borgella, Christopher Lee, Jeffrey Sawyer, Alice Moisan, John M Flynn, Melissa Gunderson, M Timothy Hresko, Pierre D'Hemecourt, Lindsay M Andras
STUDY DESIGN: Retrospective chart review. OBJECTIVES: To use the Micheli Functional Scale to assess adolescent patients with spondylolysis treated conservatively at midterm follow-up. SUMMARY OF BACKGROUND: Spondylolysis is a common source of back pain for adolescents and is generally managed with bracing and physical therapy. There is little data regarding the results of conservative management of spondylolysis over time. METHODS: Four major academic pediatric institutions performed a retrospective chart review of patients from 5 to 21 years of age with the initial diagnosis of spondylolysis...
March 2017: Spine Deformity
https://www.readbyqxmd.com/read/28256798/the-roles-and-perspectives-of-micrornas-as-biomarkers-for-intervertebral-disc-degeneration
#20
REVIEW
Xiaoya Zhou, Lili Chen, Sibylle Grad, Mauro Alini, Haobo Pan, Dazhi Yang, Wanxin Zhen, Zhizhong Li, Shishu Huang, Songlin Peng
MicroRNAs (miRNAs) are highly conserved molecules that regulate protein levels post-transcriptionally. Aberrant miRNA expression presents in various musculoskeletal disorders, such as osteoporosis, osteoarthritis and rheumatoid arthritis. The expression levels of miRNAs are characterized by endogenous properties and tissue specificity. This raises the possibility that miRNAs could serve as useful clinical biomarkers in the diagnosis of certain diseases. Intervertebral disc degeneration (IDD) is one of the major causes of back pain, and a process characterized by a cascade of molecular, cellular, biochemical and structural changes...
March 3, 2017: Journal of Tissue Engineering and Regenerative Medicine
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