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https://www.readbyqxmd.com/read/28640452/role-of-epicardial-adipose-tissue-in-health-and-disease-a-matter-of-fat
#1
Bénédicte Gaborit, Coralie Sengenes, Patricia Ancel, Alexis Jacquier, Anne Dutour
Epicardial adipose tissue (EAT) is a small but very biologically active ectopic fat depot that surrounds the heart. Given its rapid metabolism, thermogenic capacity, unique transcriptome, secretory profile, and simply measurability, epicardial fat has drawn increasing attention among researchers attempting to elucidate its putative role in health and cardiovascular diseases. The cellular crosstalk between epicardial adipocytes and cells of the vascular wall or myocytes is high and suggests a local role for this tissue...
June 18, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28638930/-different-adipose-tissue-depots-and-metabolic-syndrome-in-human
#2
Ran Wang, Xiao-Nan Li
Obesity is characterized by abnormal and excessive adipose tissue accumulated in the body. Compared with peripheral obesity (the accumulation of subcutaneous adipose tissue), abdominal obesity (the accumulation of visceral adipose tissue) is associated with increased risk of the metabolic syndrome, such as diabetes, hypertension, atherosclerosis, and dyslipidemia. Adipose tissue is a highly heterogeneous endocrine organ. Adipose tissue depots differ significantly in anatomy, cell biology, glucose and lipid metabolism as well as in endocrine regulation...
June 25, 2017: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/28599968/the-possible-role-of-amh-in-shortening-the-gubernacular-cord-in-testicular-descent-a-reappraisal-of-the-evidence
#3
John M Hutson, Francisco A Lopez-Marambio
BACKGROUND/AIM: Anti-Müllerian hormone (AMH), also called Müllerian inhibiting substance (MIS), is glycoprotein hormone secreted by the fetal Sertoli cells to regulate regression of the Müllerian ducts, the anlagen of the uterus, fallopian tubes, and upper vagina. After its existence was predicted in 1946 and its isolation and purification in the 1970's, a huge amount of information has been gathered on its molecular biology and function in the last 30-40years. Once thought to be a locally acting factor in the male fetus during sexual differentiation, it is now recognized as an endocrine hormone present in both sexes and with functions throughout life...
May 27, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28592171/next-generation-human-skin-constructs-as-advanced-tools-for-drug-development
#4
H E Abaci, Zongyou Guo, Yanne Doucet, Joanna Jacków, Angela Christiano
Many diseases, as well as side effects of drugs, manifest themselves through skin symptoms. Skin is a complex tissue that hosts various specialized cell types and performs many roles including physical barrier, immune and sensory functions. Therefore, modeling skin in vitro presents technical challenges for tissue engineering. Since the first attempts at engineering human epidermis in 1970s, there has been a growing interest in generating full-thickness skin constructs mimicking physiological functions by incorporating various skin components, such as vasculature and melanocytes for pigmentation...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28552069/tissue-engineered-skin-and-wound-healing-current-strategies-and-future-directions
#5
Nandana Bhardwaj, Dimple Chouhan, Biman B Mandal
The global volume of skin damage or injuries has major healthcare implications and, accounts for about half of the world's annual expenditure in the healthcare sector. In the last two decades, tissue-engineered skin constructs have shown great promise in the treatment of various skin-related disorders such as deep burns and wounds. The treatment methods for skin replacement and repair have evolved from utilization of autologous epidermal sheets to more complex bilayered cutaneous tissue engineered skin substitutes...
May 25, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28551748/anatomy-and-cell-biology-of-autism-spectrum-disorder-lessons-from-human-genetics
#6
Kristel T E Kleijer, Guillaume Huguet, Julie Tastet, Thomas Bourgeron, J P H Burbach
Until recently autism spectrum disorder (ASD) was regarded as a neurodevelopmental condition with unknown causes and pathogenesis. In the footsteps of the revolution of genome technologies and genetics, and with its high degree of heritability, ASD became the first neuropsychiatric disorder for which clues towards molecular and cellular pathogenesis were uncovered by genetic identification of susceptibility genes. Currently several hundreds of risk genes have been assigned, with a recurrence below 1% in the ASD population...
2017: Advances in Anatomy, Embryology, and Cell Biology
https://www.readbyqxmd.com/read/28516241/innate-immunity-in-alzheimer-s-disease-the-relevance-of-animal-models
#7
REVIEW
Diana K Franco Bocanegra, James A R Nicoll, Delphine Boche
The mouse is one of the organisms most widely used as an animal model in biomedical research, due to the particular ease with which it can be handled and reproduced in laboratory. As a member of the mammalian class, mice share with humans many features regarding metabolic pathways, cell morphology and anatomy. However, important biological differences between mice and humans exist and must be taken into consideration when interpreting research results, to properly translate evidence from experimental studies into information that can be useful for human disease prevention and/or treatment...
May 17, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28467417/anatomy-of-adult-megaphragma-hymenoptera-trichogrammatidae-one-of-the-smallest-insects-and-new-insight-into-insect-miniaturization
#8
Alexey A Polilov
The body size, especially in cases of extreme reduction, is an important characteristic that strongly determines the morphology, physiology, and biology of animals. Miniaturization is a widespread trend in animal evolution and one of the principal directions of evolution in insects. Miniaturization-related features of insect morphology have been subject to intensive studies during the last few years, but the structure of the smallest insects remains insufficiently known. It is especially important to study hymenopterans of the genus Megaphragma, which include the smallest flying insects and a species in which an almost anucleate nervous system was recently discovered...
2017: PloS One
https://www.readbyqxmd.com/read/28447974/3d-whole-heart-myocardial-tissue-analysis
#9
Hans Thijs Van den Broek, Leon De Jong, Pieter A Doevendans, Steven A J Chamuleau, Frebus J Van Slochteren, René Van Es
Cardiac regenerative therapies aim to protect and repair the injured heart in patients with ischemic heart disease. By injecting stem cells or other biologicals that enhance angio- or vasculogenesis into the infarct border zone (IBZ), tissue perfusion is improved, and the myocardium can be protected from further damage. For maximum therapeutic effect, it is hypothesized that the regenerative substance is best delivered to the IBZ. This requires accurate injections and has led to the development of new injection techniques...
April 12, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28390814/meeting-report-of-the-pathogenesis-of-pemphigus-and-pemphigoid-meeting-in-munich-september-2016
#10
Enno Schmidt, Volker Spindler, Rüdiger Eming, Masayuki Amagai, Frank Antonicelli, John F Baines, Meriem Belheouane, Philippe Bernard, Luca Borradori, Marzia Caproni, Giovanni Di Zenzo, Sergei Grando, Karen Harman, Marcel F Jonkman, Hiroshi Koga, Ralf J Ludwig, Andrew P Kowalczyk, Eliane J Müller, Wataru Nishie, Hendri Pas, Aimee S Payne, Christian D Sadik, Allan Seppänen, Jane Setterfield, Hiroshi Shimizu, Animesh A Sinha, Eli Sprecher, Michael Sticherling, Hideyuki Ujiie, Detlef Zillikens, Michael Hertl, Jens Waschke
Autoimmune blistering diseases are a heterogeneous group of about a dozen complex disorders that are characterized by intraepidermal (pemphigus) and subepidermal blistering (pemphigoid diseases and dermatitis herpetiformis). The Pathogenesis of Pemphigus and Pemphigoid Meeting, organized by the Departments of Dermatology in Lübeck and Marburg and the Institute of Anatomy and Cell Biology, Munich, was held in September 2016 in Munich. The meeting brought together basic scientists and clinicians from all continents dedicating their work to autoimmune blistering diseases...
April 5, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28349475/visualizing-endogenous-effector-t-cell-egress-from-the-lymph-nodes
#11
Manisha Menon, Alexandre P Benechet, Kamal M Khanna
Local anatomy of lymphoid tissues during infection has emerged as a critical regulator of immunity; thus, studying the cellular choreography in the context of an intact tissue environment in situ is crucial. Following an infection, the local pathogen-specific T cell migration and the subsequent egress of effector T cells from the draining lymph nodes are important and complex biological processes. The mechanisms that regulate this complex process can now be investigated by directly visualizing T cell dynamics in vivo using intravital two-photon (2P) microscopy...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28326682/nervous-system-development-and-regeneration-in-freshwater-planarians
#12
REVIEW
Kelly G Ross, Ko W Currie, Bret J Pearson, Ricardo M Zayas
Planarians have a long history in the fields of developmental and regenerative biology. These animals have also sparked interest in neuroscience due to their neuroanatomy, spectrum of simple behaviors, and especially, their almost unparalleled ability to generate new neurons after any type of injury. Research in adult planarians has revealed that neuronal subtypes homologous to those found in vertebrates are generated from stem cells throughout their lives. This feat is recapitulated after head amputation, wherein animals are capable of regenerating whole brains and regaining complete neural function...
March 22, 2017: Wiley Interdisciplinary Reviews. Developmental Biology
https://www.readbyqxmd.com/read/28315694/incorporation-of-autopsy-case-based-learning-into-phd-graduate-education-a-novel-approach-to-bridging-the-bench-to-bedside-gap
#13
Erin G Brooks, Joanne M Thornton, Erik A Ranheim, Zsuzsanna Fabry
Given the current rapid expansion of biological knowledge and the challenges of translating that knowledge into clinical practice, finding effective methods of teaching graduate students clinical medicine concepts has become even more critical. The utility of autopsy in medical student and resident education has been well-established. Multiple studies have reported it to be a helpful means of teaching anatomy, pathophysiology, clinical problem-solving skills, and medical diagnostic techniques. While various models of training Ph...
March 15, 2017: Human Pathology
https://www.readbyqxmd.com/read/28302144/a-dosimetric-model-for-the-heterogeneous-delivery-of-radioactive-nanoparticles-in-vivo-a-feasibility-study
#14
Andrew B Satterlee, Peter Attayek, Bentley Midkiff, Leaf Huang
ᅟ: Accurate and quantitative dosimetry for internal radiation therapy can be especially challenging, given the heterogeneity of patient anatomy, tumor anatomy, and source deposition. Internal radiotherapy sources such as nanoparticles and monoclonal antibodies require high resolution imaging to accurately model the heterogeneous distribution of these sources in the tumor. The resolution of nuclear imaging modalities is not high enough to measure the heterogeneity of intratumoral nanoparticle deposition or intratumoral regions, and mathematical models do not represent the actual heterogeneous dose or dose response...
March 17, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28223180/biomechanical-aspects-of-axonal-damage-in-glaucoma-a-brief-review
#15
REVIEW
Cheri Stowell, Claude F Burgoyne, Ernst R Tamm, C Ross Ethier
The biomechanical environment within the optic nerve head (ONH) is complex and is likely directly involved in the loss of retinal ganglion cells (RGCs) in glaucoma. Unfortunately, our understanding of this process is poor. Here we describe factors that influence ONH biomechanics, including ONH connective tissue microarchitecture and anatomy; intraocular pressure (IOP); and cerebrospinal fluid pressure (CSFp). We note that connective tissue factors can vary significantly from one individual to the next, as well as regionally within an eye, and that the understanding of ONH biomechanics is hindered by anatomical differences between small-animal models of glaucoma (rats and mice) and humans...
April 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28154888/permanent-knee-sensorimotor-system-changes-following-acl-injury-and-surgery
#16
John Nyland, Collin Gamble, Tiffany Franklin, David N M Caborn
The cruciate ligaments are components of the knee capsuloligamentous system providing vital neurosensory and biomechanical function. Since most historical primary ACL repair attempts were unsuccessful, reconstruction has become the preferred surgery. However, an increased understanding of the efficacy of lesion-site scaffolding, innovative suturing methods and materials, and evolving use of biological healing mediators such as platelet-rich plasma and stem cells has prompted reconsideration of what was once believed to be impossible...
May 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28115648/from-the-cover-drug-induced-taste-disorders-in-clinical-practice-and-preclinical-safety-evaluation
#17
Tao Wang, John Glendinning, Miriam Grushka, Thomas Hummel, Keith Mansfield
More than 200 medications can induce taste disorders in patients. They not only reduce quality of life for those affected, but can lead to malnutrition, severe dehydration and difficulty in maintaining a therapeutic regimen. Nevertheless, the impact of drug candidates on taste is rarely evaluated in preclinical toxicology studies during the early stage of drug development. Moreover, knowledge about how to investigate these adverse effects is scarce in the toxicology field. Here, we discuss the clinical status of drug-induced taste disorders in patients, with the goal of providing toxicologists with a broad understanding of its prevalence, and how stressful and even dangerous it can be to affected patients...
April 1, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28109903/an-apposition-compound-eye-adapted-for-nocturnal-vision-in-the-moth-midge-clogmia-albipunctata-williston-diptera-psychodidae
#18
Lei-Po Jia, Ai-Ping Liang
Morphology and anatomy, dark/light adaptational changes and optics of the compound eyes of the nocturnal moth midge Clogmia albipunctata (Williston) are studied. Its apposition type of eye consists of approximately 260 well-separated ommatidia. Each ommatidium features a biconvex corneal lens covered by corneal nipples measuring around 17nm in height; a crystalline cone of the acone type; and an open (laterally fused) rhabdom formed by eight retinular cells (R1-R8). The corneal lens, whose biological significance is addressed, is composed of a thick yellow-coloured inner lens unit (ILU) surrounded by a thin, colourless outer lens unit (OLU)...
January 18, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28079884/lack-of-collagen-xv-is-protective-after-ischemic-stroke-in-mice
#19
Hiramani Dhungana, Mikko T Huuskonen, Taina Pihlajaniemi, Ritva Heljasvaara, Denis Vivien, Katja M Kanninen, Tarja Malm, Jari Koistinaho, Sighild Lemarchant
Collagens are key structural components of basement membranes, providing a scaffold for other components or adhering cells. Collagens and collagen-derived active fragments contribute to biological activities such as cell growth, differentiation and migration. Here, we report that collagen XV knock-out (ColXV KO) mice are resistant to experimental ischemic stroke. Interestingly, the infarcts of ColXV KO mice were as small as those of wild-type (WT) mice thrombolysed with recombinant tissue plasminogen activator (rtPA), the actual treatment for ischemic stroke...
January 12, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28011754/logic-programming-to-infer-complex-rna-expression-patterns-from-rna-seq-data
#20
Tyler Weirick, Giuseppe Militello, Yuliya Ponomareva, David John, Claudia Döring, Stefanie Dimmeler, Shizuka Uchida
To meet the increasing demand in the field, numerous long noncoding RNA (lncRNA) databases are available. Given many lncRNAs are specifically expressed in certain cell types and/or time-dependent manners, most lncRNA databases fall short of providing such profiles. We developed a strategy using logic programming to handle the complex organization of organs, their tissues and cell types as well as gender and developmental time points. To showcase this strategy, we introduce 'RenalDB' (http://renaldb.uni-frankfurt...
December 22, 2016: Briefings in Bioinformatics
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