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Blood morphology

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https://www.readbyqxmd.com/read/29330991/diaphyseal-nutrient-foramina-in-dried-human-adult-long-bones-of-lower-limb-in-pakistan
#1
Ejaz Afzal, Fatima Sherin, Omair Khan, Noaman Hussain Siddiqui
BACKGROUND: osteogenesis needs circulation of blood in the bones. Bone growth, repair of fracture, maintenance of bone vitality and other injures also need blood circulation in proper way. Blood is allowed to flow via holes in the diaphysis, which are called as nutrient foramina. METHODS: The crosssectional study was done in the department of Anatomy, Ayub and Khyber Medical College (Osteology Sections). The aim was to observe diaphyseal nutrient foramina in the human long bones of the lower limb...
October 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/29330940/extracorporeal-shockwave-therapy-for-treatment-of-keloid-scars
#2
Ching-Jen Wang, Jih-Yang Ko, Wen-Yi Chou, Jai-Hong Cheng, Yur-Ren Kuo
The purpose of this investigation was to study the effectiveness of extracorporeal shockwave therapy (ESWT) for the treatment of keloid scars, and compared the results with intralesional steroid injection. Thirty-nine patients were randomly divided into 22 in ESWT group and 17 in steroid group. The ESWT group received 3 ESWT treatments in 6 weeks. The steroid group received 3 intra-lesional triamcinolone injections in 6 weeks. The evaluations included gross morphology, functional outcome, local blood flow perfusion, biopsy for histopathological examination and immunohistochemical analysis...
January 13, 2018: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29330486/new-generation-of-drug-delivery-systems-based-on-ginsenoside-rh2-lysine-and-arginine-treated-highly-porous-graphene-for-improving-anticancer-activity
#3
Hadi Zare-Zardini, Asghar Taheri-Kafrani, Ahmad Amiri, Abdol-Khalegh Bordbar
In this study, Rh2-treated graphene oxide (GO-Rh2), lysine-treated highly porous graphene (Gr-Lys), arginine-treated Gr (Gr-Arg), Rh2-treated Gr-Lys (Gr-Lys-Rh2) and Rh2-treated Gr-Arg (Gr-Arg-Rh2) were synthesized. MTT assay was used for evaluation of cytotoxicity of samples on ovarian cancer (OVCAR3), breast cancer (MDA-MB), Human melanoma (A375) and human mesenchymal stem cells (MSCs) cell lines. The percentage of apoptotic cells was determined by terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling (TUNEL) assay...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29330271/vitamin-b12-deficiency-unusual-cause-of-jaundice-in-an-adolescent
#4
Phalguna Kousika Katakam, Asha P Hegde, Manju Venkataramaiahyappa
Vitamin B12 deficiency in vegans is a known cause of megaloblastic anaemia. We report an adolescent girl who presented with jaundice and weight loss for 6 months secondary to vitamin B12 deficiency, leading to megaloblastic anaemia. Replacement with vitamin B12 reversed her symptoms, resulting in weight gain, and normalised her haemoglobin, red blood cell morphology, bilirubin levels and serum vitamin B12 levels.
January 12, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29329734/the-morphological-changes-of-bronchovascular-bundles-within-subsolid-nodules-on-hrct-correlate-with-the-new-iaslc-classification-of-adenocarcinoma
#5
L Liu, N Wu, W Tang, F Xu, L-N Zhou, P-Q Ma, L Li, X Liang
AIM: To observe the morphological changes of bronchovascular bundles within subsolid nodules on high-resolution (HR) computed tomography (CT) and analyse the correlation with the new adenocarcinoma classification. MATERIALS AND METHODS: Two hundred and sixteen lesions (absent consolidation on mediastinal window) were reviewed retrospectively. CT features including dimensions, contour, morphological changes of the blood vessels, and bronchi/bronchioles, vacuole signs, and their correlation with histopathology were evaluated...
January 9, 2018: Clinical Radiology
https://www.readbyqxmd.com/read/29325586/high-frequency-percussive-ventilation-increases-alveolar-recruitment-in-early-acute-respiratory-distress-syndrome-an-experimental-physiological-and-ct-scan-study
#6
Thomas Godet, Matthieu Jabaudon, Raïko Blondonnet, Aymeric Tremblay, Jules Audard, Benjamin Rieu, Bruno Pereira, Jean-Marc Garcier, Emmanuel Futier, Jean-Michel Constantin
BACKGROUND: High frequency percussive ventilation (HFPV) combines diffusive (high frequency mini-bursts) and convective ventilation patterns. Benefits include enhanced oxygenation and hemodynamics, and alveolar recruitment, while providing hypothetic lung-protective ventilation. No study has investigated HFPV-induced changes in lung aeration in patients with early acute respiratory distress syndrome (ARDS). METHODS: Eight patients with early non-focal ARDS were enrolled and five swine with early non-focal ARDS were studied in prospective computed tomography (CT) scan and animal studies, in a university-hospital tertiary ICU and an animal laboratory...
January 11, 2018: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/29325245/-clinical-characteristics-of-high-grade-b-cell-lymphomas-with-rearrangement-of-myc-bcl-6-and-bcl-2
#7
J Y Gong, Y Z Zhang, J D Zhang, W Zhang, J Q Li, K Ru, E B Liu
Objective: To investigate the clinicopathologic features of patients with high-grade B-cell lymphomas (HGBL) that have rearrangements of MYC, bcl-6 and bcl-2. Methods: One hundred and fifty-eight B-cell lymphomas patients from Institute of Hematology and Blood Diseases Hospital from January 2016 to April 2017 were detected by fluorescence in situ hybridization (FISH) with double color split-apart probes. Results: Among 158 B-cell lymphomas, 3 cases with MYC, bcl-2 and bcl-6 rearrangements were identified, 1 of which also had CCND1/IgH translocation...
January 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29323138/whole-mount-adult-ear-skin-imaging-reveals-defective-neuro-vascular-branching-morphogenesis-in-obese-and-type-2-diabetic-mouse-models
#8
Tomoko Yamazaki, Wenling Li, Ling Yang, Ping Li, Haiming Cao, Sei-Ichiro Motegi, Mark C Udey, Elise Bernhard, Takahisa Nakamura, Yoh-Suke Mukouyama
Obesity and type 2 diabetes are frequently associated with peripheral neuropathy. Though there are multiple methods for diagnosis and analysis of morphological changes of peripheral nerves and blood vessels, three-dimensional high-resolution imaging is necessary to appreciate the pathogenesis with an anatomically recognizable branching morphogenesis and patterning. Here we established a novel technique for whole-mount imaging of adult mouse ear skin to visualize branching morphogenesis and patterning of peripheral nerves and blood vessels...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29322584/effects-of-fixation-on-electrophysiology-and-structure-of-human-jejunal-villi
#9
Anna Casselbrant, Herbert F Helander
The villi of human jejunum vary in size and shape during different functional conditions. In the base the lamina propria is isotonic with blood, in the tip hyperosmotic. Here we study electrophysiological and morphological effects of incubation in hypotonic, isotonic, or hypertonic solutions, and to test various isotonic fixatives for microscopy. Samples of jejunal mucosae, obtained during surgery in obese patients, were studied in Ussing chambers where electrical parameters were registered during incubation in Krebs solution at various osmolarities, and during fixation in formaldehyde, glutaraldehyde, or osmium tetroxide (OsO4 )...
January 11, 2018: Microscopy Research and Technique
https://www.readbyqxmd.com/read/29321606/reevaluation-of-the-dentary-structures-of-caenagnathid-oviraptorosaurs-dinosauria-theropoda
#10
Shuo Wang, Qiyue Zhang, Rui Yang
Among the characters of caenagnathid oviraptorosaurians, the lateral occlusal grooves and ridges on the occlusal surface of the jaw bones often receive special attention. Recent studies demonstrated that ontogenetic edentulism is present in caenagnathids, and therefore the lateral occlusal grooves and ridges are vestigial alveoli and interdental septa, respectively. In the present paper, the dentary structures of caenagnathids were reevaluated based on CT images of Caenagnathiasia sp. IVPP V20377. Several previously unknown features including crateriform vestigial alveoli, the morphology of the dentary interior hollow space, and the paired blind tubes beneath the dentary symphyseal shelf are recognized...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29320840/microvascular-damage-evaluation-in-systemic-sclerosis-the-role-of-nailfold-videocapillaroscopy-and-laser-techniques
#11
B Ruaro, A Sulli, V Smith, C Pizzorni, S Paolino, E Alessandri, M Cutolo
Microvascular damage and a decrease in peripheral blood perfusion are typical features of systemic sclerosis (SSc) with serious clinical implications, not only for a very early diagnosis, but also for disease progression. Nailfold videocapillaroscopy is a validated and safe imaging technique able to detect peripheral capillary morphology, as well as to classify and to score any nailfold abnormalities into different microangiopathy patterns. Capillaroscopic analysis is now included in the ACR/EULAR classification criteria for SSc...
December 21, 2017: Reumatismo
https://www.readbyqxmd.com/read/29320716/distinct-roles-of-systemic-and-local-actions-of-insulin-on-pancreatic-%C3%AE-cells
#12
Takumi Kitamoto, Kenichi Sakurai, Eun Young Lee, Koutaro Yokote, Domenico Accili, Takashi Miki
OBJECTIVE: Pancreatic β-cell mass and function are critical in glucose homeostasis. Their regulatory mechanisms have been studied principally under experimental conditions of reduced β-cell numbers, such as β-cell ablation and partial pancreatectomy. In the present study, we generated an opposite mouse model with an excessive amount of ectopic β-cells, and analyzed its consequence on β-cell mass and survival. METHODS: Mice underwent sub-renal transplantation (SRT) of pseudo-islets generated from a pancreatic β-cell line MIN6 or intra-pancreatic transplantation (IPT) of MIN6 cells, and morphological and functional changes of their endocrine pancreata were analyzed...
January 7, 2018: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29320544/diversity-patterns-leishmania-dna-detection-and-bloodmeal-identification-of-phlebotominae-sand-flies-in-villages-in-northern-colombia
#13
Camila González, Cielo León, Andrea Paz, Marla López, Gisell Molina, Diana Toro, Mario Ortiz, Juan Manuel Cordovez, María Claudia Atencia, Germán Aguilera, Catalina Tovar
Leishmaniases are neglected tropical diseases exhibiting complex transmission cycles due to the number of parasite species circulating, sand fly species acting as vectors and infected mammals, including humans, which are defined in the New World as accidental hosts. However, current transmission scenarios are changing, and the disease is no longer exclusively related to forested areas but urban transmission foci occur, involving some species of domestic animals as suspected reservoirs. The aim of this study was to determine the transmission cycles in urban environments by evaluating sand fly diversity, detection of Leishmania DNA, and bloodmeal sources through intra and peridomestic collections...
2018: PloS One
https://www.readbyqxmd.com/read/29317580/-effect-of-high-intensity-alternating-magnetic-field-%C3%A2-on-viscosity-of-sheep-blood
#14
Pengxian Tao, Xiangyang Wu, Lingzhi Zhao, Feng Wang, Qi Xia, Yan Peng, Bingren Gao
To explore the changes of blood viscosity in high-intensity alternating magnetic field and the mechanisms.
 Methods: Five adult sheep were randomly selected and the blood samples were placed in high-intensity alternating magnetic field. Before and after exposure, the blood samples were taken and divided into 2 groups: a control group and a magnetic field group. The blood rheology and transmission electron microscopy (TEM) were performed.
 Results: Compared to the control group, the high shear viscosity of whole blood was decreased in the magnetic field group (P<0...
December 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/29317138/evaluation-of-the-cellavision-dm96-advanced-rbc-application-for-screening-and-follow-up-of-malaria-infection
#15
Lisa Florin, Karel Maelegheer, Astrid Muyldermans, Marjan Van Esbroeck, Eric Nulens, Jan Emmerechts
CellaVision DM96 is a digital cell morphology system for automated classification of white and red blood cells. CellaVision Advanced RBC application (ARBCA) pre-classifies RBC in 21 categories, including parasitized RBC, and allows re-classification by the operator. In this study, the performance of the software for detection of malaria and calculation of parasitemia was evaluated and compared to microscopy (n=40). For CellaVision, both pre- and post-reclassification results were evaluated. Sensitivity was moderate, even post-reclassification (72%), due to low numbers of analyzed RBC and limited resolution of photographs...
December 8, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29317069/blood-flow-restriction-training-as-a-prehabilitation-concept-in-total-knee-arthroplasty-a-narrative-review-about-current-preoperative-interventions-and-the-potential-impact-of-bfr
#16
Alexander Franz, Fina Pauline Queitsch, Michael Behringer, Constantin Mayer, Rüdiger Krauspe, Christoph Zilkens
Osteoarthritis of the knee is one of the most commonly diagnosed joint ailments and responsible for increased rates of total knee arthroplasty surgeries worldwide. Whereas the surgical approach is able to diminish the perceived knee pain of concerned patients', the postoperative recovery is often accompanied by persistent skeletal muscle dysfunctions and atrophy, which is responsible for functional deficits for up to several years. Recent findings indicate that surgery induced adverse effects on skeletal muscles are largely associated with the use of pneumatic tourniquets, wherefore several studies try to reduce tourniquet use in orthopedic surgery...
January 2018: Medical Hypotheses
https://www.readbyqxmd.com/read/29317056/a-potentially-curative-fetal-intervention-for-hypoplastic-left-heart-syndrome
#17
Andrew T Hattam
Hypoplastic left heart syndrome (HLHS) encapsulates a spectrum of complex congenital cardiovascular malformations involving varying degrees of underdevelopment of the left-sided heart structures. However, despite improved survival rates since the introduction of staged surgical reconstruction, treatment options for HLHS remain palliative rather than curative. A major limiting factor in the development of definitive curative therapy for HLHS is an incomplete understanding of its pathogenesis. Currently, the aetiology HLHS is best conceptualised by the 'flow theory' of cardiogenesis, which states that normal cardiac development is reliant on the interrelationship of normal flow patterns of blood through the developing heart, and appropriate growth of the cardiac valves and myocardium...
January 2018: Medical Hypotheses
https://www.readbyqxmd.com/read/29316233/development-and-biocompatibility-evaluation-of-biodegradable-bacterial-cellulose-as-a-novel-peripheral-nerve-scaffold
#18
Yuanjing Hou, Xinyu Wang, Jing Yang, Rong Zhu, Zongrui Zhang, Yi Li
Peripheral nerve injury is a serious medical problem and severely affects normal life of patient. Bacterial cellulose (BC) is considered as a novel promising biomaterial for tissue engineering, but the poor biodegradability limits its application. In this study, biodegradable bacterial cellulose scaffolds were prepared with different oxidation degrees (O.Ds.) using sodium periodate, evaluating their potential application in peripheral nerve repair. The chemical structure and surface morphology of the oxidized bacterial cellulose (OBC) scaffolds were characterized using Fourier transform infrared spectroscopy, Wide angle X-ray diffraction and Scanning electron microscope...
January 9, 2018: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/29315811/apolipoprotein-a1-apo-a1-distribution-pattern-in-the-human-achilles-tendon
#19
James E Gaida, Håkan Alfredson, Alex Scott, Rouhollah Mousavizadeh, Sture Forsgren
Metabolic factors such as cholesterol appear to play an important role in the development of Achilles tendinopathy. There is, however, no morphologic proof explaining the link between high cholesterol and tendinopathy. As apolipoprotein A1 (Apo-A1) is essential for reverse cholesterol transport, it may be related to cholesterol overload in tendon. Nothing is known about Apo-A1 expression in tendon tissue. We examined the distribution of Apo-A1 protein in biopsies from normal and tendinopathy affected human Achilles tendons, and APOA1 mRNA production from cultured human hamstring tenocytes...
January 5, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29313367/lecithin-coated-gold-nanoflowers-gnfs-for-ct-scan-imaging-applications-and-biochemical-parameters-in-vitro-and-in-vivo-studies
#20
Farooq Aziz, Khizra Bano, Ahmad Hassan Siddique, Sadia Zafar Bajwa, Aalia Nazir, Anam Munawar, Ayesha Shaheen, Madiha Saeed, Muhammad Afzal, M Zubair Iqbal, Aiguo Wu, Waheed S Khan
We report a novel strategy for the fabrication of lecithin-coated gold nanoflowers (GNFs) via single-step design for CT imaging application. Field-emission electron microscope confirmed flowers like morphology of the as-synthesized nanostructures. Furthermore, these show absorption peak in near-infrared (NIR) region at λmax 690 nm Different concentrations of GNFs are tested as a contrast agent in CT scans at tube voltage 135 kV and tube current 350 mA. These results are compared with same amount of iodine at same CT scan parameters...
January 9, 2018: Artificial Cells, Nanomedicine, and Biotechnology
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