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Spleen anatomy

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https://www.readbyqxmd.com/read/29306507/immunogenicity-and-safety-of-a-novel-tetanus-toxoid-conjugated-anti-gastrin-vaccine-in-balb-c-mice
#1
Qing He, Hua Gao, Meng Gao, Shengmei Qi, Kun Yang, Yingqi Zhang, Junzhi Wang
The objective of this study is to determine the immunogenicity and safety of our novel anti-gastrin vaccine that is composed of the common amino-terminal portions of human carboxy-amidated gastrin-17 (G17) and glycine-extended gastrin-17 (gly-G17) as well as the common carboxy-terminal portion of the gastrin precursor progastrin (in a 50:50 mixture) all covalently linked to tetanus toxoid (TT) via peptide spacers. The vaccine, or immunogen, was injected intramuscularly into the legs of BALB/c mice, which produced high serum titres of specific IgG antibodies and IFN-γ in their spleen cells, identifiable by enzyme-linked immunosorbent assay (ELISA) and enzyme-linked immunospot assay (ELISPOT), respectively...
January 3, 2018: Vaccine
https://www.readbyqxmd.com/read/29284921/splenic-localization-of-primary-hydatid-cyst-in-a-27-year-old-sportsman-treated-by-pair-technique-imaging-anatomy-assessment
#2
Dzenan Jahic, Eldan Kapur, Edin Begic, Enver Zerem
Introduction: In this paper, we report our experience with a case of primary hydatid cyst involving only the spleen in a 27-year-old sportsman treated by PAIR technique. Case Report: Five years before, a 27-year-old handball player being admitted to our hospital, it was detected the cyst in his spleen which size was 35 x 30 mm in diameter, by abdominal ultrasound during a systematic examination. There was no pain or any other symptoms at that time. Tests on the presence of echinococcus cysts were negative...
December 2017: Acta Informatica Medica: AIM
https://www.readbyqxmd.com/read/29228582/comparative-study-of-macrophages-in-naked-mole-rats-and-icr-mice
#3
Jishuai Cheng, Zheng Yuan, Wenjing Yang, Chang Xu, Wei Cong, Lifang Lin, Shanmin Zhao, Wei Sun, Xiaosong Bai, Shufang Cui
The domestic and foreign scholars have studied naked mole rats more focused on the respect such as its long life, resistant to low oxygen, little spontaneous tumor, but the study of the immune system is little. In this study, we compared the anatomy and tissue morphology of NMR and ICR mouse spleens and found that the gross appearance of the NNMR spleen differed from ICR. There were more macrophages in NNMR spleens than in ICR spleens. Furthermore, we focused on the differences of macrophages. We compared their phagocytic capabilities and the data showed that NNMR macrophages are more phagocytic than ICR mouse macrophages...
November 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/29175516/a-lucky-mistake-the-splenic-glands-of-marcello-malpighi
#4
Marco Pizzi, Felicia Chaviano, Massimo Rugge, Attilio Orazi
Marcello Malpighi (1628-1694) is one of the most important anatomists and physicians in the History of Medicine. His contributions to the understanding of human anatomy and physiology span from the first description of capillary circulation to a thorough analysis of the structure and function of body glands. Malpighi believed that most organs consisted of glandular structures, whose distribution and microscopic features determine each organ specific function. He also applied this view to the study of spleen anatomy, which he recognized as composed of two distinct anatomic compartments (i...
November 22, 2017: Human Pathology
https://www.readbyqxmd.com/read/29102666/a-90-day-subchronic-gavage-toxicity-study-in-fischer-344-rats-with-3-methylfuran
#5
S Gill, M Kavanagh, W Cherry, C Bourque, D Caldwell, G Wang, G Bondy
A 90-day gavage study was conducted with 0.0, 0.02, 0.075, 0.25, 1.0 and 4.0 mg/kg bw/day dose groups of 3-methylfuran to identify a no-observed adverse effect level for hepatotoxicity and to characterize non-neoplastic effects including changes in gross anatomy, histopathology, clinical biochemistry and hematology. There were significant changes in the serum clinical biochemistry markers related to liver injury where males were more affected than the females for most parameters analysed. The serum liver injury marker γ-glutamyltransferase, alanine and aspartate aminotransferases were significantly increased in males in the 4...
November 1, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29075964/strategy-of-laparoscopic-surgery-for-colon-cancer-of-the-splenic-flexure-a-novel-approach
#6
Naoki Matsumura, Hiromi Tokumura, Fumito Saijo, Yu Katayose
BACKGROUND: The splenic flexure (SF) anatomy is complex due to multiple vessels, surrounding organs, layers, and irregular adhesions [1-3]. METHODS: Our laparoscopic approach involves a lateral-to-medial approach to the left-sided transverse mesocolon (TM), a medial-to-lateral approach to the left mesocolon (LM), and take-down of the remnant SF. First, the omental bursa is opened and its posterior wall and the anterior layer of the TM are dissected along the pancreas, where a gauze is placed...
October 26, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/29067207/abdominal-ultrasonography-of-the-healthy-howler-monkey-alouatta-fusca
#7
Raquel Sartor, Thiago R Müller, Maria J Mamprim, Carlos R Teixeira, Livia P de Souza, Ricardo C Lehmkuhl, Marilia G Luciani
Abdominal ultrasonography was performed in six healthy adult brown howler monkeys Alouatta fusca and the normal ultrasonographic anatomy of the liver, gallbladder, stomach and urinary tract described for the first time. Findings were compared with post-mortem studies. The renal cortex was isoechoic to the spleen and isoechoic or hyperechoic to the liver. Kidney length and renal arterial resistive index, systolic and diastolic velocity were calculated. The liver showed a homogeneous hypoechogenic echotexture...
February 2017: Veterinary Medicine and Science
https://www.readbyqxmd.com/read/28981738/factors-influencing-the-operating-time-for-single-port-laparoscopic-radical-nephrectomy-focus-on-the-anatomy-and-distribution-of-the-renal-artery-and-vein
#8
Kazuhiro Matsumoto, Akira Miyajima, Keishiro Fukumoto, Akari Komatsuda, Naoya Niwa, Seiya Hattori, Toshikazu Takeda, Eiji Kikuchi, Hiroshi Asanuma, Mototsugu Oya
Objective: It is considered that laparoscopic single-site surgery should be performed by specially trained surgeons because of the technical difficulty in using special instruments through limited access. We investigated suitable patients for single-port laparoscopic radical nephrectomy, focusing on the anatomy and distribution of the renal artery and vein. Methods: This retrospective study was conducted in 52 consecutive patients who underwent single-port radical nephrectomy by the transperitoneal approach...
October 1, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28828034/splenic-trauma-wses-classification-and-guidelines-for-adult-and-pediatric-patients
#9
REVIEW
Federico Coccolini, Giulia Montori, Fausto Catena, Yoram Kluger, Walter Biffl, Ernest E Moore, Viktor Reva, Camilla Bing, Miklosh Bala, Paola Fugazzola, Hany Bahouth, Ingo Marzi, George Velmahos, Rao Ivatury, Kjetil Soreide, Tal Horer, Richard Ten Broek, Bruno M Pereira, Gustavo P Fraga, Kenji Inaba, Joseph Kashuk, Neil Parry, Peter T Masiakos, Konstantinos S Mylonas, Andrew Kirkpatrick, Fikri Abu-Zidan, Carlos Augusto Gomes, Simone Vasilij Benatti, Noel Naidoo, Francesco Salvetti, Stefano Maccatrozzo, Vanni Agnoletti, Emiliano Gamberini, Leonardo Solaini, Antonio Costanzo, Andrea Celotti, Matteo Tomasoni, Vladimir Khokha, Catherine Arvieux, Lena Napolitano, Lauri Handolin, Michele Pisano, Stefano Magnone, David A Spain, Marc de Moya, Kimberly A Davis, Nicola De Angelis, Ari Leppaniemi, Paula Ferrada, Rifat Latifi, David Costa Navarro, Yashuiro Otomo, Raul Coimbra, Ronald V Maier, Frederick Moore, Sandro Rizoli, Boris Sakakushev, Joseph M Galante, Osvaldo Chiara, Stefania Cimbanassi, Alain Chichom Mefire, Dieter Weber, Marco Ceresoli, Andrew B Peitzman, Liban Wehlie, Massimo Sartelli, Salomone Di Saverio, Luca Ansaloni
Spleen injuries are among the most frequent trauma-related injuries. At present, they are classified according to the anatomy of the injury. The optimal treatment strategy, however, should keep into consideration the hemodynamic status, the anatomic derangement, and the associated injuries. The management of splenic trauma patients aims to restore the homeostasis and the normal physiopathology especially considering the modern tools for bleeding management. Thus, the management of splenic trauma should be ultimately multidisciplinary and based on the physiology of the patient, the anatomy of the injury, and the associated lesions...
2017: World Journal of Emergency Surgery: WJES
https://www.readbyqxmd.com/read/28775241/comparative-study-of-macrophages-in-naked-mole-rats-and-icr-mice
#10
Jishuai Cheng, Zheng Yuan, Wenjing Yang, Chang Xu, Wei Cong, Lifang Lin, Shanmin Zhao, Wei Sun, Xiaosong Bai, Shufang Cui
The domestic and foreign scholars have studied naked mole rats more focused on the respect such as its long life, resistant to low oxygen, little spontaneous tumor, but the study of the immune system is little. In this study, we compared the anatomy and tissue morphology of NMR and ICR mouse spleens and found that the gross appearance of the NNMR spleen differed from ICR. There were more macrophages in NNMR spleens than in ICR spleens. Furthermore, we focused on the differences of macrophages. We compared their phagocytic capabilities and the data showed that NNMR macrophages are more phagocytic than ICR mouse macrophages...
July 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28740664/development-of-a-novel-ex-vivo-porcine-laparoscopic-heller-myotomy-and-nissen-fundoplication-training-model-toronto-lap-nissen-simulator
#11
Hideki Ujiie, Tatsuya Kato, Hsin-Pei Hu, Patrycja Bauer, Priya Patel, Hironobu Wada, Daiyoon Lee, Kosuke Fujino, Colin Schieman, Andrew Pierre, Thomas K Waddell, Shaf Keshavjee, Gail E Darling, Kazuhiro Yasufuku
BACKGROUND: Surgical trainees are required to develop competency in a variety of laparoscopic operations. Developing laparoscopic technical skills can be difficult as there has been a decrease in the number of procedures performed. This study aims to develop an inexpensive and anatomically relevant model for training in laparoscopic foregut procedures. METHODS: An ex vivo, anatomic model of the human upper abdomen was developed using intact porcine esophagus, stomach, diaphragm and spleen...
June 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28711624/curcumin-attenuates-oxidative-stress-induced-nf%C3%AE%C2%BAb-mediated-inflammation-and-endoplasmic-reticulum-dependent-apoptosis-of-splenocytes-in-diabetes
#12
Kahkashan Rashid, Sayantani Chowdhury, Sumit Ghosh, Parames C Sil
The present study was aimed to determine the curative role of curcumin against diabetes induced oxidative stress and its associated splenic complications. Diabetes was induced in the experimental rats via the intraperitoneal administration of a single dose of STZ (65mgkg(-1)body weight). Increased blood glucose and intracellular ROS levels along with decreased body weight, the activity of cellular antioxidant enzymes and GSH/GSSG ratio were observed in the diabetic animals. Histological assessment showed white pulp depletion and damaged spleen anatomy in these animals...
November 1, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28662611/cognition-and-anatomy-of-adult-niemann-pick-disease-type-c-insights-for-the-alzheimer-field
#13
David Bergeron, Stéphane Poulin, Robert Laforce
Niemann-Pick disease type C (NPC) is a rare lysosomal storage disorder causing an intracellular lipid trafficking defect and varying damage to the spleen, liver, and central nervous system. The adult form, representing approximately 20% of the cases, is associated with progressive cognitive decline. Intriguingly, brains of adult NPC patients exhibit neurofibrillary tangles, a characteristic hallmark of Alzheimer's disease (AD). However, the cognitive, psychiatric, and neuropathological features of adult NPC and their relation to AD have yet to be explored...
June 30, 2017: Cognitive Neuropsychology
https://www.readbyqxmd.com/read/28631052/anatomic-variations-of-the-spleen-current-state-of-terminology-classification-and-embryological-background
#14
REVIEW
Ivan Varga, Jozef Babala, David Kachlik
A thorough understanding of the anatomy, physiology, and development of the spleen is essential for determining the pathophysiological mechanisms underpinning splenic diseases and congenital variations. The aim of this review is to briefly summarize current knowledge regarding the normal development of the spleen, and to provide an overview of clinically relevant congenital splenic variations. These include such variations as asplenia, polysplenia, hyposplenia, lobulation of spleen, accessory spleens, accessory splenic nodules, wandering spleen, splenogonadal and splenopancreatic fusion, splenic cysts, and cavernous haemangioma of the spleen...
June 19, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28440234/endoscopic-ultrasound-of-peritoneal-spaces
#15
Malay Sharma, Jayan Gopinath Madambath, Piyush Somani, Amit Pathak, Chittapuram Srinivasan Rameshbabu, Raghav Bansal, Kovil Ramasamy, Amol Patil
The peritoneal cavity is subdivided into supracolic and infracolic compartments by transverse colon and its mesocolon. The supracolic compartment contains the liver, spleen, stomach, and lesser omentum. The infracolic compartment contains the coils of small bowel surrounded by ascending, transverse, and descending colon and the paracolic gutters. The imaging of different compartments is possible by various methods such as ultrasound (US) and computerized tomography. The treating physicians should be familiar with the relevant radiological anatomy of different compartments and spaces as accurate localization of fluid collection/lymph node in peritoneal cavity greatly aids in selection of a treatment strategy...
March 2017: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/28323442/an-investigation-of-human-body-model-morphing-for-the-assessment-of-abdomen-responses-to-impact-against-a-population-of-test-subjects
#16
Philippe Beillas, Fabien Berthet
OBJECTIVE: Human body models have the potential to better describe the human anatomy and variability than dummies. However, data sets available to verify the human response to impact are typically limited in numbers, and they are not size or gender specific. The objective of this study was to investigate the use of model morphing methodologies within that context. METHODS: In this study, a simple human model scaling methodology was developed to morph two detailed human models (Global Human Body Model Consortium models 50th male, M50, and 5th female, F05) to the dimensions of post mortem human surrogates (PMHS) used in published literature...
May 29, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28320741/hypoxia-enhances-antibody-dependent-dengue-virus-infection
#17
Esther Shuyi Gan, Wei Fun Cheong, Kuan Rong Chan, Eugenia Ziying Ong, Xiaoran Chai, Hwee Cheng Tan, Sujoy Ghosh, Markus R Wenk, Eng Eong Ooi
Dengue virus (DENV) has been found to replicate in lymphoid organs such as the lymph nodes, spleen, and liver in post-mortem analysis. These organs are known to have low oxygen levels (~0.5-4.5% O2) due to the vascular anatomy. However, how physiologically low levels of oxygen affect DENV infection via hypoxia-induced changes in the immune response remains unknown. Here, we show that monocytes adapted to 3% O2 show greater susceptibility to antibody-dependent enhancement of DENV infection. Low oxygen level induces HIF1α-dependent upregulation of fragment crystallizable gamma receptor IIA (FcγRIIA) as well as HIF1α-independent alterations in membrane ether lipid concentrations...
May 15, 2017: EMBO Journal
https://www.readbyqxmd.com/read/28317122/an-anthropomorphic-abdominal-phantom-for-deformable-image-registration-accuracy-validation-in-adaptive-radiation-therapy
#18
Yuliang Liao, Linjing Wang, Xiangdong Xu, Haibin Chen, Jiawei Chen, Guoqian Zhang, Huaiyu Lei, Ruihao Wang, Shuxu Zhang, Xuejun Gu, Xin Zhen, Linghong Zhou
PURPOSE: To design and construct a three-dimensional (3D) anthropomorphic abdominal phantom for geometric accuracy and dose summation accuracy evaluations of deformable image registration (DIR) algorithms for adaptive radiation therapy (ART). METHOD: Organ molds, including liver, kidney, spleen, stomach, vertebra, and two metastasis tumors, were 3D printed using contours from an ovarian cancer patient. The organ molds were molded with deformable gels made of different mixtures of polyvinyl chloride (PVC) and the softener dioctyl terephthalate...
March 20, 2017: Medical Physics
https://www.readbyqxmd.com/read/28291918/organ-motion-in-pediatric-high-risk-neuroblastoma-patients-using-four-dimensional-computed-tomography
#19
Sneha Kannan, Boon-Keng Kevin Teo, Timothy Solberg, Christine Hill-Kayser
PURPOSE/OBJECTIVE(S): High-risk neuroblastoma (HR-NBL) requires multimodality treatment, including external beam radiation of the primary tumor site following resection. Radiotherapy planning must take into account motion of the target and adjacent normal anatomy, both of which are poorly understood in the pediatric population, and which may differ significantly from those in adults. METHODS/MATERIALS: We examined 4DCT scans of 15 consecutive pediatric patients treated for HR-NBL, most with tumors in the abdominal cavity...
January 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28112399/estimating-organ-doses-from-tube-current-modulated-ct-examinations-using-a-generalized-linear-model
#20
Maryam Bostani, Kyle McMillan, Peiyun Lu, Grace Hyun J Kim, Dianna Cody, Gary Arbique, S Bruce Greenberg, John J DeMarco, Chris H Cagnon, Michael F McNitt-Gray
PURPOSE: Currently, available Computed Tomography dose metrics are mostly based on fixed tube current Monte Carlo (MC) simulations and/or physical measurements such as the size specific dose estimate (SSDE). In addition to not being able to account for Tube Current Modulation (TCM), these dose metrics do not represent actual patient dose. The purpose of this study was to generate and evaluate a dose estimation model based on the Generalized Linear Model (GLM), which extends the ability to estimate organ dose from tube current modulated examinations by incorporating regional descriptors of patient size, scanner output, and other scan-specific variables as needed...
April 2017: Medical Physics
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