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https://www.readbyqxmd.com/read/27882040/a-new-model-of-master-of-philosophy-in-physiological-sciences
#1
H R Ahmad, F M Arain, N A Khan
The objectives of Master of Philosophy (MPhil) in Physiological Sciences are: 1) to describe the new ways in which anatomy, biochemistry and physiology on one hand, and microbiology, pathology and pharmacology on other hand meet their functional requirements through multidisciplinary integrated concepts; 2) to elucidate relationships between cell biology, molecular biology and molecular genetics by connecting dots of how cell functions are driven by molecules and being controlled by genes. This forms the basis of cell, molecular and genetics [CMG] module upon which 7 multidisciplinary modules of Physiological Sciences follow; 3) these 24 credit hours provide the physiological basis for PhD studies as well as faculty development to enhance learning abilities of medical student; 4) the modules constitute Cardio- Respiratory Physiological Sciences, GI and Renal Physiological Sciences, Neurosciences, Endo-Reproductive Physiological Sciences...
September 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27870925/quantitative-and-qualitative-analysis-of-student-tutors-as-near-peer-teachers-in-the-gross-anatomy-course
#2
J Walser, A Horneffer, W Oechsner, M Huber-Lang, S Gerhardt-Szep, A Boeckers
INTRODUCTION: Peer teaching is a well-established teaching method in medical education. During the 2012/13 winter term, the Institute of Anatomy and Cell Biology in Ulm, Germany, introduced a longitudinal didactics program ("Train the Tutor": TtT) to train student tutors as near-peer teachers (NPT) in the dissection course (DC). Twenty-three of 38 tutors participated in the programme. Our study describes the educational concept and the NPTs' activities in the dissection course. METHODS: NPTs documented their activities on a daily basis in the form of semi-structured reports...
November 18, 2016: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/27857724/nanobiomaterials-for-neural-regeneration
#3
REVIEW
Nuan Chen, Lingling Tian, Liumin He, Seeram Ramakrishna
Diseases and disorders associated with nervous system such as injuries by trauma and neurodegeneration are shown to be one of the most serious problems in medicine, requiring innovative strategies to trigger and enhance the nerve regeneration. Tissue engineering aims to provide a highly biomimetic environment by using a combination of cells, materials and suitable biological cues, by which the lost body part may be regenerated or even fully rebuilt. Electrospinning, being able to produce extracellular matrix (ECM)-like nanostructures with great flexibility in design and choice of materials, have demonstrated their great potential for fabrication of nerve tissue engineered scaffolds...
September 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/27852218/rna-seq-based-transcriptomic-map-reveals-new-insights-into-mouse-salivary-gland-development-and-maturation
#4
Christian Gluck, Sangwon Min, Akinsola Oyelakin, Kirsten Smalley, Satrajit Sinha, Rose-Anne Romano
BACKGROUND: Mouse models have served a valuable role in deciphering various facets of Salivary Gland (SG) biology, from normal developmental programs to diseased states. To facilitate such studies, gene expression profiling maps have been generated for various stages of SG organogenesis. However these prior studies fall short of capturing the transcriptional complexity due to the limited scope of gene-centric microarray-based technology. Compared to microarray, RNA-sequencing (RNA-seq) offers unbiased detection of novel transcripts, broader dynamic range and high specificity and sensitivity for detection of genes, transcripts, and differential gene expression...
November 16, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27821521/from-cytoskeletal-dynamics-to-organ-asymmetry-a-nonlinear-regulative-pathway-underlies-left-right-patterning
#5
Gary McDowell, Suvithan Rajadurai, Michael Levin
Consistent left-right (LR) asymmetry is a fundamental aspect of the bodyplan across phyla, and errors of laterality form an important class of human birth defects. Its molecular underpinning was first discovered as a sequential pathway of left- and right-sided gene expression that controlled positioning of the heart and visceral organs. Recent data have revised this picture in two important ways. First, the physical origin of chirality has been identified; cytoskeletal dynamics underlie the asymmetry of single-cell behaviour and patterning of the LR axis...
December 19, 2016: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/27795549/nanomedicines-for-renal-disease-current-status-and-future-applications
#6
REVIEW
Nazila Kamaly, John C He, Dennis A Ausiello, Omid C Farokhzad
Treatment and management of kidney disease currently presents an enormous global burden, and the application of nanotechnology principles to renal disease therapy, although still at an early stage, has profound transformative potential. The increasing translation of nanomedicines to the clinic, alongside research efforts in tissue regeneration and organ-on-a-chip investigations, are likely to provide novel solutions to treat kidney diseases. Our understanding of renal anatomy and of how the biological and physico-chemical properties of nanomedicines (the combination of a nanocarrier and a drug) influence their interactions with renal tissues has improved dramatically...
December 2016: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/27788285/trend-toward-individualization-of-the-endocrine-and-exocrine-portions-of-the-giant-anteater-pancreas-myrmecophaga-tridactyla-xenarthra
#7
Luciana Pedrosa Iglesias, Phelipe Oliveira Favaron, Jéssica Borghesi, Ana Claudia Oliveira Carreira, Maria Angelica Miglino, Alan Perez Ferraz de Melo
Considering the physiological importance of the pancreas as an endocrine and exocrine organ, this study described the characteristics of the gross and microscopic morphology of this organ using 16 Myrmecophaga tridactyla individuals. The pancreas was located in the left antimere of the body, was pale in colour and exhibited an elongated shape with a central body and lobulated surface. It was positioned in the abdomen, following the curvatura ventriculi major of the stomach, and was attached to the initial portion of the duodenum...
October 27, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27787529/self-assembly-of-vascularized-tissue-to-support-tumor-explants-in-vitro
#8
Despina Bazou, Nir Maimon, Gabriel Gruionu, Lance L Munn
Testing the efficacy of cancer drugs requires functional assays that recapitulate the cell populations, anatomy and biological responses of human tumors. Although current animal models and in vitro cell culture platforms are informative, they have significant shortcomings. Mouse models can reproduce tissue-level and systemic responses to tumor growth and treatments observed in humans, but xenografts from patients often do not grow, or require months to develop. On the other hand, current in vitro assays are useful for studying the molecular bases of tumorigenesis or drug activity, but often lack the appropriate in vivo cell heterogeneity and natural microenvironment...
October 27, 2016: Integrative Biology: Quantitative Biosciences From Nano to Macro
https://www.readbyqxmd.com/read/27774070/modeling-the-behavior-of-red-blood-cells-within-the-caudal-vein-plexus-of-zebrafish
#9
Tijana R Djukic, Swapna Karthik, Igor Saveljic, Valentin Djonov, Nenad Filipovic
Due to the important biological role of red blood cells (RBCs) in vertebrates, the analysis of reshaping and dynamics of RBCs motion is a critical issue in physiology and biomechanics. In this paper the behavior of RBCs within the immature capillary plexus during embryonic development of zebrafish has been analyzed. Relying on the fact that zebrafish embryos are small and optically transparent, it is possible to image the blood flow. In this way the anatomy of blood vessels is monitored along with the circulation throughout their development...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27733103/acceleration-of-healing-of-traumatic-tympanic-membrane-perforation-in-rats-by-implanted-collagen-membrane-integrated-with-collagen-binding-basic-fibroblast-growth-factor
#10
Qin Shi, Dan Zhang, Zhen Huang, Peng Sun, Haiping Huang, Yunmei Zhang, Jianwu Dai, Jisheng Liu
Traumatic tympanic membrane (TM) perforation is very common in clinical practice. Several biomaterials have been reported to play a role in TM reparation, whereas their functional recovery is limited when used alone. Meanwhile, the administration of bio-factors could promote functional recovery, but rapid distribution and short half-time obstruct their application. In order to study the effect on of traumatic TM regeneration, we prepared collagen membrane (CM) integrated with collagen-binding basic fibroblast growth factor (CBD-bFGF) and implanted into the injury site of perforated TM in Sprague-Dawley (SD) rats...
October 12, 2016: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/27729326/pet-and-mri-is-the-whole-greater-than-the-sum-of-its-parts
#11
Robert J Gillies, Thomas Beyer
Over the past decades, imaging in oncology has been undergoing a "quiet" revolution to treat images as data, not as pictures. This revolution has been sparked by technological advances that enable capture of images that reflect not only anatomy, but also of tissue metabolism and physiology in situ Important advances along this path have been the increasing power of MRI, which can be used to measure spatially dependent differences in cell density, tissue organization, perfusion, and metabolism. In parallel, PET imaging allows quantitative assessment of the spatial localization of positron-emitting compounds, and it has also been constantly improving in the number of imageable tracers to measure metabolism and expression of macromolecules...
November 1, 2016: Cancer Research
https://www.readbyqxmd.com/read/27695942/the-development-of-anatomy-from-macroscopic-body-dissections-to-stem-cell-derived-organoids
#12
Beate Brand-Saberi, Holm Zaehres
Anatomy as a descriptive topic of research and instruction in medicine has been increasingly influenced by discoveries in molecular cell and developmental biology and most recently the advent of human induced pluripotent stem cells and organoids. We summarize here how anatomy has been influenced by developmental and stem cell biologists, and how in vitro modelling of the three-dimensional body environment is emerging to understand structure and function of cells during differentiation processes in development and disease...
September 30, 2016: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/27676961/physiological-anatomy-of-botulinum-toxin-effect-on-the-spastic-muscle-of-children-with-cerebral-palsy
#13
Claire Mietton, Laurent Schaeffer, Nathalie Streichenberger, Vincent Cunin, Berrouz Kassai, Isabelle Poirot
OBJECTIVE: Botulinum toxin is one of the treatments available to treat spasticity in patients with cerebral palsy (CP) from 2 years of age. The long-term action of the toxin on the neuromuscular junction (NMJ) and muscle structure is still unknown. We formulated the hypothesis that repeated injections of botulinum toxin could modify muscle structure. The main aim of our 3-year monocentric descriptive study is to evaluate the long-term effect of repeated injections of botulinum toxin on the muscle and the neuromuscular junction in patients with CP...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27626635/genome-anatomy-of-pyrenochaeta-unguis-hominis-um-256-a-multidrug-resistant-strain-isolated-from-skin-scraping
#14
Yue Fen Toh, Su Mei Yew, Chai Ling Chan, Shiang Ling Na, Kok Wei Lee, Chee-Choong Hoh, Wai-Yan Yee, Kee Peng Ng, Chee Sian Kuan
Pyrenochaeta unguis-hominis is a rare human pathogen that causes infection in human skin and nail. P. unguis-hominis has received little attention, and thus, the basic biology and pathogenicity of this fungus is not fully understood. In this study, we performed in-depth analysis of the P. unguis-hominis UM 256 genome that was isolated from the skin scraping of a dermatitis patient. The isolate was identified to species level using a comprehensive multilocus phylogenetic analysis of the genus Pyrenochaeta. The assembled UM 256 genome has a size of 35...
2016: PloS One
https://www.readbyqxmd.com/read/27594986/autosomal-dominant-polycystic-kidney-disease-recent-advances-in-clinical-management
#15
REVIEW
Zhiguo Mao, Jiehan Chong, Albert C M Ong
The first clinical descriptions of autosomal dominant polycystic kidney disease (ADPKD) go back at least 500 years to the late 16 (th) century. Advances in understanding disease presentation and pathophysiology have mirrored the progress of clinical medicine in anatomy, pathology, physiology, cell biology, and genetics. The identification of PKD1 and PKD2, the major genes mutated in ADPKD, has stimulated major advances, which in turn have led to the first approved drug for this disorder and a fresh reassessment of patient management in the 21 (st) century...
2016: F1000Research
https://www.readbyqxmd.com/read/27576922/fully-integrated-reflection-mode-photoacoustic-two-photon-and-second-harmonic-generation-microscopy-in-vivo
#16
Wei Song, Qiang Xu, Yang Zhang, Yang Zhan, Wei Zheng, Liang Song
The ability to obtain comprehensive structural and functional information from intact biological tissue in vivo is highly desirable for many important biomedical applications, including cancer and brain studies. Here, we developed a fully integrated multimodal microscopy that can provide photoacoustic (optical absorption), two-photon (fluorescence), and second harmonic generation (SHG) information from tissue in vivo, with intrinsically co-registered images. Moreover, using a delicately designed optical-acoustic coupling configuration, a high-frequency miniature ultrasonic transducer was integrated into a water-immersion optical objective, thus allowing all three imaging modalities to provide a high lateral resolution of ~290 nm with reflection-mode imaging capability, which is essential for studying intricate anatomy, such as that of the brain...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27574538/physiological-inputs-regulate-species-specific-anatomy-during-embryogenesis-and-regeneration
#17
Kelly G Sullivan, Maya Emmons-Bell, Michael Levin
A key problem in evolutionary developmental biology is identifying the sources of instructive information that determine species-specific anatomical pattern. Understanding the inputs to large-scale morphology is also crucial for efforts to manipulate pattern formation in regenerative medicine and synthetic bioengineering. Recent studies have revealed a physiological system of communication among cells that regulates pattern during embryogenesis and regeneration in vertebrate and invertebrate models. Somatic tissues form networks using the same ion channels, electrical synapses, and neurotransmitter mechanisms exploited by the brain for information-processing...
July 2016: Communicative & Integrative Biology
https://www.readbyqxmd.com/read/27529803/auditory-responses-to-vocal-sounds-in-the-songbird-nucleus-taeniae-of-the-amygdala-and-the-adjacent-arcopallium
#18
Tomoko G Fujii, Maki Ikebuchi, Kazuo Okanoya
Many species of animals communicate with others through vocalizations. Over time, these species have evolved mechanisms to respond to biologically relevant vocal sounds via adaptive behaviors. Songbirds provide a good opportunity to search for the neural basis of this adaptation, because they interact with others through a variety of vocalizations in complex social relationships. The nucleus taeniae of the amygdala (TnA) is a structure located in the ventromedial arcopallium, which is akin to the mammalian medial amygdala...
2016: Brain, Behavior and Evolution
https://www.readbyqxmd.com/read/27527602/aid-apobec-network-reconstruction-identifies-pathways-associated-with-survival-in-ovarian-cancer
#19
Martin Svoboda, Anastasia Meshcheryakova, Georg Heinze, Markus Jaritz, Dietmar Pils, Dan Cacsire Castillo-Tong, Gudrun Hager, Theresia Thalhammer, Erika Jensen-Jarolim, Peter Birner, Ioana Braicu, Jalid Sehouli, Sandrina Lambrechts, Ignace Vergote, Sven Mahner, Philip Zimmermann, Robert Zeillinger, Diana Mechtcheriakova
BACKGROUND: Building up of pathway-/disease-relevant signatures provides a persuasive tool for understanding the functional relevance of gene alterations and gene network associations in multifactorial human diseases. Ovarian cancer is a highly complex heterogeneous malignancy in respect of tumor anatomy, tumor microenvironment including pro-/antitumor immunity and inflammation; still, it is generally treated as single disease. Thus, further approaches to investigate novel aspects of ovarian cancer pathogenesis aiming to provide a personalized strategy to clinical decision making are of high priority...
2016: BMC Genomics
https://www.readbyqxmd.com/read/27522160/over-irradiation
#20
Philip M P Poortmans, Meritxell Arenas, Lorenzo Livi
Decreasing the burden of radiation therapy (RT) for breast cancer includes, next to complete omission, several ways to tailor the extent of RT. Possible options for this include lowering of the total dose, such as selective omission of the boost, hypofractionated RT to shorten the duration of treatment, the selective introduction of partial breast irradiation and anatomy based target volume contouring to decrease the size of the irradiated volumes. Elective regional nodal irradiation showed in several randomised trials and meta-analyses to significantly impact on local-regional control, disease-free survival, breast cancer mortality and overall survival...
August 10, 2016: Breast: Official Journal of the European Society of Mastology
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