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Wilber Escorcia, Dana L Ruter, James Nhan, Sean P Curran
Caenorhabditis elegans is an exceptional model organism in which to study lipid metabolism and energy homeostasis. Many of its lipid genes are conserved in humans and are associated with metabolic syndrome or other diseases. Examination of lipid accumulation in this organism can be carried out by fixative dyes or label-free methods. Fixative stains like Nile red and oil red O are inexpensive, reliable ways to quantitatively measure lipid levels and to qualitatively observe lipid distribution across tissues, respectively...
March 5, 2018: Journal of Visualized Experiments: JoVE
Enas Alaloul, MohammedRaed Elshami, Khamis Elessi, Israa Awad, Huda Abu Nemer, Esraa Khader, Heba Baraka, Alaa Alhelu
BACKGROUND: Women are usually given two options after a mastectomy. They can either wear a prosthesis or have a breast reconstruction. Unfortunately, many women in the Gaza Strip are unaware of these options. The aim of this study was to shed light on the awareness and sociocultural factors in women who underwent mastectomy before choosing between options. METHODS: In this cross-sectional study, we recruited patients who underwent mastectomy in the Gaza Strip. All participants completed a face-to-face questionnaire between Aug 1, 2015, and April 30, 2016...
February 21, 2018: Lancet
Yasin Yurt, Gül Şener, Yavuz Yakut
BACKGROUND: Foot orthoses are widely used in conservative treatment of painful flexible flatfoot however research is limited to choose the best option in orthotic treatment. AIM: We aimed to compare the effects of computer-aided design/computer-aided manufacturing (CAD-CAM) and conventional insole types in comparison with sham insole, on pain and health related quality of life in patients with painful flexible flatfoot. DESIGN: Randomized controlled trial...
March 16, 2018: European Journal of Physical and Rehabilitation Medicine
Yi Shi, Yanhui Su, Joshua H Lipschutz, Glenn P Lobo
Cilia are highly-conserved organelles projecting from the cell surface of nearly every cell type in vertebrates. Ciliary proteins have essential functions in human physiology, particularly in signaling and organ development. As cilia are a component of almost all vertebrate cells, cilia dysfunction can manifest as a constellation of features that characteristically include, retinal degeneration, renal disease and cerebral anomalies. The terminology "Ciliopathies" refers to inherited human disorders caused by genetic mutations in ciliary genes, leading to cilia dysfunctions that form an important and ever expanding multi-organ disease spectrum...
December 2017: Clin Nephrol Res
Craig M Lilly, Omar Badawi, Xinggang Liu, Gill Christine S, Ilene Harris
OBJECTIVE: To determine whether patients transfused red blood cell (RBC) products according to guideline-specified pretransfusion hemoglobin (Hb) concentrations or for other reasons were more likely to survive their intensive care unit (ICU) stay. DESIGN: An observational study of 375 478 episodes of ICU care, over 5 years, was performed with ICU survival as the primary outcome. Outcomes were analyzed as a function of pretransfusion Hb concentration for groups with distinct transfusion indications while adjusting for potential confounders...
January 1, 2018: Journal of Intensive Care Medicine
Guang Yang, Jing Xu, Xiu-Lian Chi, Chun-Xin Zang, Ling Que
The three objectives of the Convention on Biological Diversity (CBD) are the conservation of biological diversity, the sustainable use of its components and the fair and equitable sharing of benefit sarising from the utilization of genetic resources.The Nagoya Protocol significantly advances the CBD's third objective by providing a strong basis for greater legal certainty and transparency for both providers and users of genetic resources.In June 2016, the Chinese government approved the accession to the Nagoya Protocol...
January 2018: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
Nishit Bhatnagar, Siddharth Sharma, Virender Kumar Gautam, Ajeet Kumar, Anurag Tiwari
PURPOSE: Spontaneous osteonecrosis of the knee affects the medial femoral condyle in patients above 55 years of age. Many reports and studies are available from western countries. But there is a gross paucity of literature on spontaneous osteonecrosis of the knee (SPONK) in the Indian subcontinent, either it is under-reported or detected at a later stage. The aim of our study was to detect SPONK in Indian population and describe its characteristics, treatment, and outcome. MATERIAL AND METHOD: A prospective study was conducted over a period of three years...
March 18, 2018: International Orthopaedics
Laurence Thielemans, Gornpan Gornsawun, Borimas Hanboonkunupakarn, Moo Kho Paw, Pen Porn, Paw Khu Moo, Bart Van Overmeire, Stephane Proux, François Nosten, Rose McGready, Verena I Carrara, Germana Bancone
Background: Glucose-6-phosphate dehydrogenase (G6PD) deficiency is an inherited enzymatic disorder associated with severe neonatal hyperbilirubinemia and acute haemolysis after exposure to certain drugs or infections. The disorder can be diagnosed phenotypically with a fluorescent spot test (FST), which is a simple test that requires training and basic laboratory equipment. This study aimed to assess the diagnostic performances of the FST used on umbilical cord blood by locally-trained staff and to compare test results of the neonates at birth with the results after one month of age...
2018: Wellcome Open Research
Seeyoung Choi, Paul E Love
Oxidative inactivation of cysteine-dependent Protein Tyrosine Phosphatases (PTPs) by cellular reactive oxygen species (ROS) plays a critical role in regulating signal transduction in multiple cell types. The phosphatase activity of most PTPs depends upon a 'signature' cysteine residue within the catalytic domain that is maintained in the de-protonated state at physiological pH rendering it susceptible to ROS-mediated oxidation. Direct and indirect techniques for detection of PTP oxidation have been developed (Karisch and Neel, 2013)...
January 5, 2018: Bio-protocol
Ricardo Carrasco-Garcia, Patricia Barroso, Javier Perez-Olivares, Vidal Montoro, Joaquín Vicente
Understanding the role that facultative scavenger species may play in spreading infectious pathogens, and even becoming reservoirs for humans, domestic and wild ungulates or, on the contrary, preventing the spread of disease, requires a prior understanding of the pattern of carrion scavenging in specific scenarios. The objectives of this paper are (i) to describe the guild of vertebrate scavengers and (ii) to study the species-specific, habitat, and management-related factors involved in the usage of gut piles in South Central Spain (SCS), a tuberculosis (TB) endemic area...
2018: Frontiers in Veterinary Science
Ava Yuan Xue, Antonella Di Pizio, Anat Levit, Tali Yarnitzky, Osnat Penn, Tal Pupko, Masha Y Niv
The 25 human bitter taste receptors (hT2Rs) recognize thousands of structurally and chemically diverse bitter substances. The binding modes of human bitter taste receptors hT2R10 and hT2R46, which are responsible for strychnine recognition, were previously established using site-directed mutagenesis, functional assays, and molecular modeling. Here we construct a phylogenetic tree and reconstruct ancestral sequences of the T2R10 and T2R46 clades. We next analyze the binding sites in view of experimental data to predict their ability to recognize strychnine...
2018: Frontiers in Molecular Biosciences
A Leoni Swart, Christopher F Harrison, Ludwig Eichinger, Michael Steinert, Hubert Hilbi
Environmental bacteria of the genus Legionella naturally parasitize free-living amoebae. Upon inhalation of bacteria-laden aerosols, the opportunistic pathogens grow intracellularly in alveolar macrophages and can cause a life-threatening pneumonia termed Legionnaires' disease. Intracellular replication in amoebae and macrophages takes place in a unique membrane-bound compartment, the Legionella -containing vacuole (LCV). LCV formation requires the bacterial Icm/Dot type IV secretion system, which translocates literally hundreds of "effector" proteins into host cells, where they modulate crucial cellular processes for the pathogen's benefit...
2018: Frontiers in Cellular and Infection Microbiology
Nitika Mehta, Rohit Sharma, Rajneesh Madhok, Tanu Agrawal, Vinit Sharma
Objectives: Management of neck metastases in terms of diagnosis and treatment has always been a controversial issue in patients of head and neck malignancy. The main area of debate in case of diagnosis lies with the fact that whether we should rely on ultrasound, as a diagnostic modality for diagnosing micrometastases in the neck in head and neck malignancy patients? The second controversial issue is the management of N0 neck, whether to be radical or conservative? Materials and Methods: This study was conducted on 70 diagnosed patients of head and neck carcinoma who were planned for resection of the primary...
January 2018: International Journal of Applied and Basic Medical Research
Tetsuro Ushio, Ken Okazaki, Hideki Mizu-Uchi, Satoshi Hamai, Yukio Akasaki, Yasuharu Nakashima
Background: An anterior cruciate ligament (ACL) reconstruction has become more common and the surgical morbidity has decreased, it has been performed not only in younger people to play sports but also middle-aged people, with satisfactory results. Therefore, some patients might have comorbidities for which they take medicines. Especially the medicines, such as systemic steroids, might influence the reconstructed ligament strength and durability. Case report: A 49-year-old woman who was taking oral steroids for autoimmune hepatitis suffered a spontaneous ACL injury...
January 2018: Asia-Pacific Journal of Sports Medicine, Arthroscopy, Rehabilitation and Technology
Philippe Collin, Alexandre Lädermann
Anteroinferior glenohumeral instability can be treated by variants of the Bankart repair, remplissage , and the Latarjet procedure, although all options remain associated with complications, including recurrence, stiffness, persistent pain, apprehension, and dislocation arthropathy. The authors therefore thought of a concept of dynamic anterior stabilization to treat anteroinferior glenohumeral instability by transferring the long head of the biceps within a subscapularis split to the anterior glenoid margin, thereby creating a "sling effect" by using a conservative technique...
January 2018: Arthroscopy Techniques
Aimee H Fullerton, Brian J Burke, Joshua J Lawler, Christian E Torgersen, Joseph L Ebersole, Scott G Leibowitz
It is generally accepted that climate change will stress coldwater species like Pacific salmon. However, it is unclear what aspect of altered thermal regimes (e.g., warmer winters, springs, summers, or increased variability) will have the greatest effect, and what role the spatial properties of river networks play. Thermally diverse habitats may afford protection from climate change by providing opportunities for aquatic organisms to find and use habitats with optimal conditions for growth. We hypothesized that climate-altered thermal regimes will change growth and timing of life history events such as emergence or migration but that changes will be moderated in topologically complex stream networks where opportunities to thermoregulate are more readily available to mobile animals...
December 22, 2017: Ecosphere
Sailen Barik
The two classical immunophilin families, found essentially in all living cells, are: cyclophilin (CYN) and FK506-binding protein (FKBP). We previously reported a novel class of immunophilins that are natural chimera of these two, which we named dual-family immunophilin (DFI). The DFIs were found in either of two conformations: CYN-linker-FKBP (CFBP) or FKBP-3TPR-CYN (FCBP). While the 3TPR domain can serve as a flexible linker between the FKBP and CYN modules in the FCBP-type DFI, the linker sequences in the CFBP-type DFIs are relatively short, diverse in sequence, and contain no discernible motif or signature...
2018: Computational and Structural Biotechnology Journal
Fangfang Tao, Xinxin Tian, Zhiqian Zhang
Long non-coding RNAs (lncRNAs) have been reported to be of great importance in the formation and progression of a wide range of human carcinomas including prostate cancer (PCa). Among them, PCAT3 and PCAT9 have been identified as two prostate tissue-specific lncRNAs and are up-regulated in PCa. However, their roles in the biological characteristics of PCa have not been fully elucidated. In the present study, our data revealed that knockdown of PCAT3 and PCAT9 suppressed cellular proliferation, invasion, migration, angiogenesis and stemness in androgen-dependent LNCaP and 22Rv1 cells...
February 23, 2018: Oncotarget
Tong Shen, Shi Li, Ling-Dong Cai, Jing-Lin Liu, Chu-Yi Wang, Wen-Juan Gan, Xiu-Ming Li, Jing-Ru Wang, Li-Na Sun, Min Deng, Yu-Hong Liu, Jian-Ming Li
The pathogenesis and key functional molecules involved in inflammatory bowel disease (IBD) including Crohn's disease (CD) and ulcerative colitis (UC) remain unclear. Here, we reported that Erbin, a protein required for the polarity of epithelial cells, is conserved across species and highly expressed in the intestinal mucosa in mice and zebrafish. Pathologically, Erbin expression in the intestinal mucosa was significantly decreased in DSS induced acute colitis mice, IL-10 deficient mice and clinical biopsy specimens from patients with ulcerative colitis...
February 23, 2018: Oncotarget
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