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Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft

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https://www.readbyqxmd.com/read/30114450/evidence-for-leptin-receptor-immunoreactivity-in-the-gastrointestinal-tract-and-gastric-leptin-regulation-in-the-rainbow-trout-oncorhynchus-mykiss
#1
Roberta Imperatore, Elena Coccia, Livia D'Angelo, Ettore Varricchio, Paolo De Girolamo, Marina Paolucci
In this study, evidence for leptin receptor (LR) and gastric leptin immunoreactivity along the digestive tract of the rainbow trout (Oncorhynchus mykiss), is reported. Besides this, the regulation of gastric leptin and its transcript by fatty acids was analyzed in vitro. LR was detected mainly in the cells of the stomach gastric glands and in the brush border of the epithelium of the anterior, middle and distal intestine. In the stomach LR was co-distributed with leptin. The regulation of gastric leptin and its transcript by fatty acids was analyzed by in vitro incubations...
August 13, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/30114449/effect-of-ascorbic-and-chondrogenic-derived-decellularized-extracellular-matrix-from-mesenchymal-stem-cells-on-their-proliferation-viability-and-differentiation
#2
S Pérez-Castrillo, M L González-Fernández, M E López-González, V Villar-Suárez
BACKGROUND: The development and application of biomaterials to promote stem cell proliferation and differentiation has undergone major expansion over the last few years. Decellularized stem cell matrix (DSCMs) represent bioactive and biocompatible materials which achieve similar characteristics of native extracellular matrix. DSCMs have given promising outcomes in generating novel cell culture substrates mimicking specific niche microenvironments in tissue engineering. AIMS: This research aims at producing two different DSCMs obtained from adipose derived mesenchymal stem cells and bone marrow mesenchymal stem cells, characterize them and evaluate the DSCMs bioactivity on mesenchymal stem cells...
August 13, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/30092281/comparison-of-ground-sections-paraffin-sections-and-micro-ct-imaging-of-bone-from-the-epiphysis-of-the-porcine-femur-for-morphometric-evaluation
#3
Tereza Kubíková, Martin Bartoš, Štefan Juhas, Tomáš Suchý, Pavla Sauerová, Marie Hubálek-Kalbáčová, Zbyněk Tonar
The aim of this study was to compare data on the volume fraction of bone and the thickness of the cortical compact bone acquired during microcomputed tomography (micro-CT) analysis with data acquired from identical samples using stereological analysis of either decalcified paraffin sections or ground sections. Additionally, we aimed to compare adjacent tissue samples taken from the major trochanter of the porcine femur to map the basic biological variability of trabecular bone. Fifteen pairs of adjacent tissue blocks were removed from the major trochanter of the proximal epiphyses of porcine femurs (female pigs aged 24-39 months, weight=59...
August 6, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/30077732/superficial-palmar-branch-of-the-radial-artery-a-study-of-occurrence-and-diameter
#4
Miroslav Radunovic, Batric Vukcevic, Nemanja Radojevic, Nemanja Vukcevic, Aleksandra Vuksanovic-Bozaric
The superficial palmar branch (SPB) of the radial artery (RA) is an important blood vessel in plastic surgery procedures of the hand. It is used as the axial artery in a free flap used for finger reconstruction. The occurrence of this arterial branch is variable, as well as its diameter and course. The aim of this study was to determine the occurrence and measure the external diameter of the SPB, as well as the external circumference of the RA. All results were analyzed with the intent to determine a possible correlation between RA and SPB size, as well as between SPB occurrence and the cadavers' sex and height...
August 2, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/30063971/role-of-amp-activated-protein-kinase-signaling-pathway-in-intestinal-development-of-mammals
#5
Xiaofang Meng, Yong Zhang, Benson O A Botchway, Jingying Zhou, Luyao Xu, Xuehong Liu
Intestinal tract is an important digestive organ, which takes on the functions of nutrient absorption, bile and metabolic waste excretion. Impaired intestinal barrier function might lead to inflammatory and intestinal diseases. Structure and function of intestinal tract is closely related to differentiation and development of intestinal cells. Differentiation and development of intestinal cells are coordinated and regulated via signaling pathways such as adenosine monophosphate-activated protein kinase (AMPK), Wnt and mammalian target of rapamycin (mTOR) signaling pathways...
July 29, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/30048761/polydopamine-assisted-chlorhexidine-immobilization-on-medical-grade-stainless-steel-316l-apatite-formation-and-in-vitro-osteoblastic-evaluation
#6
Nurizzati Mohd Daud, Rania Hussein Al-Ashwal, Mohammed Rafiq Abdul Kadir, Syafiqah Saidin
Immobilization of chlorhexidine (CHX) on stainless steel 316L (SS316L), assisted by a polydopamine film as an intermediate layer is projected as an approach in combating infection while aiding bone regeneration for coating development on orthopedic and dental implants. This study aimed to investigate the ability of CHX coating to promote apatite layer, osteoblast cells viability, adhesion, osteogenic differentiation and mineralization. Stainless steel 316L disks were pre-treated, grafted with a polydopamine film and immobilized with different concentrations of CHX (10-30mM)...
July 23, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/30048760/obligation-capacity-skills-and-stamina-development-of-a-site-adapted-competence-profile-for-medical-students-in-germany
#7
Michael Scholz, Friedrich Paulsen, Axel Ropohl, Pascal H M Burger
In order to get admission to study medicine at a German university, the most important criterion is the proof of an excellent final college prep school examination (Abitur) in order to get an adequate study place without time loss. For the purpose of a suitable selection for admission of candidates, however, the best qualified and suitable applicants should be found to be distributed to the limited available university places for medicine. The final examination mark alone can represent such a suitability - if at all - only to a very limited extent...
July 23, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/30048759/effects-of-the-highly-cox-2-selective-analgesic-nsaid-etoricoxib-on-the-rate-of-orthodontic-tooth-movement-and-cranial-growth
#8
Christian Kirschneck, Erika Calvano Küchler, Ulrich Wahlmann, Peter Proff, Agnes Schröder
BACKGROUND: NSAID analgesics have found widespread use in the treatment of pain, inflammation and fever. The highly COX-2-selective NSAID etoricoxib has shown a favorable side effect profile and excellent analgesic efficacy, particularly for dental and orthodontic pain, surpassing the current standard analgesic in orthodontics, acetaminophen. However, potential side effects on the rate of orthodontic tooth movement (OTM) and cranial growth, relevant for clinical usability during orthodontic treatment, have not yet been investigated...
July 23, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/30048758/morphofunctional-evaluation-of-buccopharyngeal-space-using-three-dimensional-cone-beam-computed-tomography-3d-cbct
#9
Marius Valeriu Hînganu, Delia Hînganu, Sebastian Romică Cozma, Cristina Asimionoaiei-Simionescu, Irina Andreea Scutariu, Dorin Savin Ionesi, Danisia Haba
The present study aims to identify the anatomical functional changes of the buccopharyngeal space in case of singers with canto voice. The interest in this field is particularly important in view of the relation between the artistic performance level, phoniatry and functional anatomy, as the voice formation mechanism is not completely known yet. We conducted a morphometric study on three soprano voices that differ in type and training level. The anatomical soft structures from the superior vocal formant of each soprano were measured on images captured using the Cone-beam Computed Tomography (CBCT) technique...
July 23, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/30048757/cutaneous-innervation-of-the-distal-forearm-and-hand-minimizing-complication-rate-by-defining-danger-zones-for-surgical-approaches
#10
Lena Hirtler, Florian A Huber, Vincent Wlodek
BACKGROUND: The aim of this study was to investigate the course of the lateral, medial and posterior antebrachial cutaneous nerves, the superficial branch of the radial nerve, the dorsal branch of the ulnar nerve and the palmar branches of the median and ulnar nerve and to determine their relationship to osseous and tendinous landmarks in order to define danger zones for open and arthroscopic approaches in this region. METHODS: The cutaneous nerves were dissected on 20 embalmed forearms and hands of anatomical specimens...
July 23, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/30040990/an-experimental-study-of-menopause-induced-by-bilateral-ovariectomy-and-mechanistic-effects-of-mesenchymal-stromal-cell-therapy-on-the-parotid-gland-of-a-rat-model
#11
Nesma Ibraheim El-Naseery, Yaser Hosny Ali Elewa, Osamu Ichii, Yasuhiro Kon
The current study was conducted on a menopause rat model induced by ovariectomy to assess the histological and immunohistochemical alterations in the parotid glands and to verify the efficiency of human umbilical cord derived-mesenchymal stromal cell (hUCB-MSCs) in treating this condition. Eighteen adult female rats were equally divided into three groups: sham-operated (SHAM), ovariectomized (OVX) and OVX injected with hUCB-MSCs (OVX+hUCB-MSCs). At 3months post-ovariectomy, the salivary flow rate and size of the parotid glands were measured...
July 21, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/30049662/adipocytes-spectrum-from-homeostasia-to-obesity-and-its-associated-pathology
#12
REVIEW
Adriana Grigoraş, Cornelia Amalinei, Raluca Anca Balan, Simona Eliza Giuşcă, Elena Roxana Avădănei, Ludmila Lozneanu, Irina-Draga Căruntu
Firstly identified by anatomists, the fat tissue is nowadays an area of intense research due to increased global prevalence of obesity and its associated diseases. Histologically, there are four types of fat tissue cells which are currently recognized (white, brown, beige, and perivascular adipocytes). Therefore, in this study we are reviewing the most recent data regarding the origin, structure, and molecular mechanisms involved in the development of adipocytes. White adipocytes can store triglycerides as a consequence of lipogenesis, under the regulation of growth hormone or leptin and adiponectin, and release fatty acids resulted from lipolysis, under the regulation of the sympathetic nervous system, glucocorticoids, TNF-α, insulin, and natriuretic peptides...
September 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29990591/lymphatic-lacunae-of-the-mucosal-folds-of-human-uterine-tubes-a-rediscovery-of-forgotten-structures-and-their-possible-role-in-reproduction
#13
Ivan Varga, David Kachlík, Marianna Žišková, Michal Miko
The mucosa of uterine tube forms multiple and branched longitudinal mucosal folds and takes part in many reproduction events, such as oocyte pick-up, gamete transport, sperm capacitation, fertilization, and early embryonic development. In the habilitation thesis of German physician Paul Kroemer (1904) was the first to describe the lymphatic lacunae inside the tubal folds (by injection of Indian ink), which the author named the öLymphbahnen" (ölymphatic channels"). Despite the fact that this first description has existed for 110 years, there is no mention of these lacunae in most of the current literature...
September 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29964159/fractal-dimension-analysis-a-supplementary-mathematical-method-for-bone-defect-regeneration-measurement
#14
Kamil Jurczyszyn, Paweł Kubasiewicz-Ross, Izabela Nawrot-Hadzik, Tomasz Gedrange, Marzena Dominiak, Jakub Hadzik
AIM OR PURPOSE: The geometry of a bone defect is very complex. Its shape is too complicated to measure or compare with other bone defects using only traditional measuring methods Traditional measuring techniques based on the histomorphometric analysis of a bone specimen require supplementary measuring. For the fractal dimension analysis (FDA) mathematic formulas are used to describe complicated and chaotic shapes. The FDA offers a possibility of a comparison between complicated and complex shapes such as a histological image of a bone defect...
September 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29944933/acrylamide-induced-alterations-in-the-cocaine-and-amphetamine-regulated-peptide-transcript-cart-like-immunoreactivity-within-the-enteric-nervous-system-of-the-porcine-small-intestines
#15
Katarzyna Palus, Krystyna Makowska, Jarosław Całka
The main goal of the present study was to determine the influence of low and high doses of acrylamide on CART-like immunoreactivity within the ENS of the porcine small intestines. Investigation was performed on 15 sexually immature female pigs, divided into three groups: control group, where empty gelatin capsules were administered, and two experimental groups, where capsules containing low or high doses of acrylamide were given. After 28days of acrylamide exposure all animals were euthanized with a gradual overdose of anaesthetics...
September 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29936218/fast-and-reliable-dissection-of-porcine-parathyroid-glands-a-protocol-for-molecular-and-histological-analyses
#16
Michael Oster, Jonas Keiler, Marko Schulze, Henry Reyer, Andreas Wree, Klaus Wimmers
As calcium and phosphorus are of vital importance for life, physiological activity of the parathyroid glands (PTGs) is crucial to maintain mineral homeostasis and bone mineralization. However, PTG-specific molecular routes in response to environmental factors and intrinsic hormonal responses are not yet fully understood. Since nutrient requirements, pathophysiology and functional genomics of pigs are similar to those of humans, pigs might be a suitable model to study the holistic gene expression and physiological aspects of the parathyroid gland, which could be used in both animal sciences and biomedical research...
September 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29886123/musculoskeletal-anatomy-education-evaluating-the-influence-of-different-teaching-and-learning-activities-on-medical-students-perception-and-academic-performance
#17
Jason Peeler, Hugo Bergen, Alison Bulow
Medical schools have traditionally used a lecture and dissection-based approach for educating students about human anatomy. There is growing interest in the adoption of alternative teaching and learning activities (TLAs) that incorporate the use of cadaveric prosection and computer-based learning into musculoskeletal (MSK) anatomy curricula. The purpose of this investigation was to examine retrospectively how different TLAs influenced student perceptions about learning, and performance on MSK anatomy examinations...
September 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29885444/the-terminologia-histologica-after-10years-inconsistencies-mistakes-and-new-proposals
#18
Ivan Varga, Alzbeta Blankova, Marek Konarik, Vaclav Baca, Vlasta Dvorakova, Vladimir Musil
This article details our experience with the Terminologia Histologica (TH) and its utility in the teaching of histology, cytology, and clinical medicine (e.g., pathology and hematology). Latin histological nomenclature has been used for 43years, and the latest version of the TH has been in use for 15years (although it was only issued publicly within the past 10years). The following findings and ensuing proposals allow us to discuss key points pertaining to the TH and make important suggestions for potential changes to the TH (such as the exclusion and inclusion of various terms)...
September 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29883617/3d-printed-specimens-as-a-valuable-tool-in-anatomy-education-a-pilot-study
#19
Monique Garas, Mauro Vaccarezza, George Newland, Kylie McVay-Doornbusch, Jamila Hasani
Three-dimensional (3D) printing is a modern technique of creating 3D-printed models that allows reproduction of human structures from MRI and CT scans via fusion of multiple layers of resin materials. To assess feasibility of this innovative resource as anatomy educational tool, we conducted a preliminary study on Curtin University undergraduate students to investigate the use of 3D models for anatomy learning as a main goal, to assess the effectiveness of different specimen types during the sessions and personally preferred anatomy learning tools among students as secondary aim...
September 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29842992/neurotrophins-and-trk-receptors-in-the-developing-and-adult-ovary-of-coturnix-coturnix-japonica
#20
L Maruccio, C Lucini, P de Girolamo, L Avallone, C Solcan, L E Nechita, L Castaldo
NGF, BDNF, NT-3 and their specific receptors TrkA, TrkB and TrkC are known to be involved in the development and maintenance of vertebrates' nervous system. However, these molecules play a role also in non-neuronal tissue, such as in the reproductive system. In this study we investigated the presence and localization of neurotrophins and Trk receptors to unravel their potential role in the developing and adult ovary of Japanese quail, a model species well suited for reproduction studies. Western blotting analysis on ovaries of three month old quails in the period of egg laying showed the presence of pro and mature forms of neurotrophins and splice variants of Trk receptors...
September 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
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