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https://www.readbyqxmd.com/read/27922864/99mtc-mdp-uptake-in-diffuse-pleural-recurrences-of-pulmonary-neuroendocrine-carcinoma
#1
Taisong Wang, Wenli Qiao, Yan Xing, Jinhua Zhao
A 39-year-old woman with a history of pulmonary neuroendocrine carcinoma segmental palliative resection underwent a Tc-MDP bone scintigraphy to evaluate possible osseous metastases. The static images revealed diffuse elevated activity in the left hemithorax, more prominent in the lower thorax, which is suggestive of malignant pleural effusion. However, SPECT/CT images showed that the elevated activity was from pleura-based soft tissue masses, which were confirmed as recurrent tumor pathologically after biopsy...
December 3, 2016: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27902795/genome-wide-association-study-identifies-candidate-loci-underlying-agronomic-traits-in-a-middle-american-diversity-panel-of-common-bean
#2
Samira Mafi Moghaddam, Sujan Mamidi, Juan M Osorno, Rian Lee, Mark Brick, James Kelly, Phillip Miklas, Carlos Urrea, Qijian Song, Perry Cregan, Jane Grimwood, Jeremy Schmutz, Phillip E McClean
Common bean ( L.) breeding programs aim to improve both agronomic and seed characteristics traits. However, the genetic architecture of the many traits that affect common bean production are not completely understood. Genome-wide association studies (GWAS) provide an experimental approach to identify genomic regions where important candidate genes are located. A panel of 280 modern bean genotypes from race Mesoamerica, referred to as the Middle American Diversity Panel (MDP), were grown in four US locations, and a GWAS using >150,000 single-nucleotide polymorphisms (SNPs) (minor allele frequency [MAF] ≥ 5%) was conducted for six agronomic traits...
November 2016: Plant Genome
https://www.readbyqxmd.com/read/27895867/detection-of-second-mesiobuccal-canals-in-maxillary-first-molars-using-a-new-angle-of-cone-beam-computed-tomography
#3
Ali Murat Aktan, Cihan Yildirim, Emre Culha, Erhan Demir, Mehmet Ertugrul Ciftci
BACKGROUND: The localization of the additional canal orifice is one of the primary factors influencing the success of endodontic treatment. To deal with this problem, several techniques that each have their own advantages and disadvantages have been discussed in the literature. OBJECTIVES: The aim of the present in vitro study was to review a new approach to localizing second mesiobuccal (MB2) canals in maxillary first molars using cone beam computed tomography (CBCT)...
October 2016: Iranian Journal of Radiology: a Quarterly Journal Published By the Iranian Radiological Society
https://www.readbyqxmd.com/read/27895399/altered-pattern-of-tumor-necrosis-factor-alpha-production-in-peripheral-blood-monocytes-from-crohn-s-disease
#4
Claudia Loganes, Alessia Pin, Samuele Naviglio, Martina Girardelli, Anna Monica Bianco, Stefano Martelossi, Alberto Tommasini, Elisa Piscianz
AIM: To evaluate the inflammatory state in Crohn's disease (CD) patients and correlate it with genetic background and microbial spreading. METHODS: By means of flow cytometry, production of tumor necrosis factor-alpha (TNF-α) was measured in peripheral blood monocytes from patients suffering from CD, ulcerative colitis (UC) and in healthy subjects after stimulation of the NOD2 and TLR pathways. CD patients were genotyped for the three most common NOD2 variants (R702W, G908R and L1007Pfs*2) and basal production of TNF-α was correlated to NOD2 genotype...
November 7, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27890356/does-8-methacryloxyoctyl-trimethoxy-silane-8-mots-improve-initial-bond-strength-on-lithium-disilicate-glass-ceramic
#5
Yukinori Maruo, Goro Nishigawa, Kumiko Yoshihara, Shogo Minagi, Takuya Matsumoto, Masao Irie
OBJECTIVES: Dental ceramic surfaces are modified with silane coupling agents, such as γ-methacryloxypropyl trimethoxy silane (γ-MPTS), to improve bond strength. For bonding between lithium disilicate glass ceramic and resin cement, the objective was to investigate if 8-methacryloxyoctyl trimethoxy silane (8-MOTS) could yield a similar performance as the widely used γ-MPTS. METHODS: One hundred and ten lithium disilicate glass ceramic specimens were randomly divided into 11 groups (n=10) according to pretreatment regime...
November 24, 2016: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/27874293/improved-stability-of-solid-dispersions-of-manidipine-with-polyethylene-glycol-4000-copovidone-blends-application-of-ternary-phase-diagram
#6
Benchawan Chamsai, Sontaya Limmatvapirat, Srisagul Sungthongjeen, Pornsak Sriamornsak
CONTEXT: Manidipine (MDP) is generally used clinically as an antihypertensive agent; however, the bioavailability of orally administered MDP is limited very low due to their very low water solubility. OBJECTIVE: The objectives of this research were, therefore, to increase the solubility of MDP by the formation of ternary solid dispersions (tSD) with polyethylene glycol 4000 (PEG4000) and copovidone and to improve their stability. METHODS: Solid ternary phase diagram was constructed to find homogeneous solid dispersion region after melting and solidifying at low temperature with different quenching substances...
November 22, 2016: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/27864974/nlrp3-inflammasome-may-regulate-inflammatory-response-of-human-periodontal-ligament-fibroblasts-in-an-apoptosis-associated-speck-like-protein-containing-a-card-asc-dependent-manner
#7
W L Lu, D Z Song, J L Yue, T T Wang, X D Zhou, P Zhang, L Zhang, D M Huang
AIM: To explore the role of NLRP3 (NACHT [nucleotide-binding oligomerization], LRR [leucine-rich repeat] and PYD [pyrin domain] domains-containing protein 3) inflammasome in the inflammatory response of human periodontal ligament fibroblasts (HPDLFs). METHODOLOGY: The expression of NLRP3 and apoptosis-associated speck-like protein containing a CARD (ASC) in inflammatory periapical tissues and HPDLFs was examined by immunohistochemical and immunofluorescent staining...
November 19, 2016: International Endodontic Journal
https://www.readbyqxmd.com/read/27834177/swedish-translation-and-linguistic-validation-of-the-multidimensional-dyspnoea-profile
#8
Magnus Ekström, Josefin Sundh
BACKGROUND: Dyspnoea, the feeling of breathing discomfort, consists of multiple dimensions that can vary in intensity, including the level of unpleasantness, qualities or descriptors of the sensation, emotional responses, and impact on function. No validated instrument for multidimensional measurement of dyspnoea is available in Swedish. The Multidimensional Dyspnea Profile (MDP) was recently developed to measure the unpleasantness, sensory qualities, and emotional responses of dyspnoea across diseases and settings...
2016: European Clinical Respiratory Journal
https://www.readbyqxmd.com/read/27833313/extraosseous-99m-tc-methylene-diphosphonate-uptake-on-bone-scan-unusual-scenario
#9
Shashwat Verma, Narvesh Kumar, Subhash Chand Kheruka, Sanjay Gambhir
In nuclear medicine, (99)mTc-methylene diphosphonate. (MDP) bone scan is one of the most commonly performed procedures. MDP uptake in nonosseous tissues is occasionally found in bone scan, and the knowledge of these kinds of extraosseous uptakes is of much clinical relevance. We report here two cases where bone scan showed extraosseous MDP uptake either hepatic or splenic apart from the physiological skeletal uptake.
October 2016: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/27830463/lrrk2-enhances-nod1-2-mediated-inflammatory-cytokine-production-by-promoting-rip2-phosphorylation
#10
Ruiqing Yan, Zhihua Liu
The innate immune system is critical for clearing infection, and is tightly regulated to avert excessive tissue damage. Nod1/2-Rip2 signaling, which is essential for initiating the innate immune response to bacterial infection and ER stress, is subject to many regulatory mechanisms. In this study, we found that LRRK2, encoded by a gene implicated in Crohn's disease, leprosy and familial Parkinson's disease, modulates the strength of Nod1/2-Rip2 signaling by enhancing Rip2 phosphorylation. LRRK2 deficiency markedly reduces cytokine production in macrophages upon Nod2 activation by muramyl dipeptide (MDP), Nod1 activation by D-gamma-Glu-meso-diaminopimelic acid (iE-DAP) or ER stress...
November 9, 2016: Protein & Cell
https://www.readbyqxmd.com/read/27825429/-18-f-naf-pet-ct-and-99m-tc-mdp-bone-scintigraphy-in-the-detection-of-bone-metastases-in-prostate-cancer
#11
REVIEW
Werner Langsteger, Alireza Rezaee, Christian Pirich, Mohsen Beheshti
(99m)Tc-MDP whole-body bone scintigraphy is a highly sensitive imaging method that has been used for decades to evaluate prostate cancer bone metastasis based on its availability and low cost; however, because of accumulation of this radiotracer in degenerative, traumatic, and inflammatory lesions, it suffers from noncomparable specificity. The modality is also used to monitor response to therapy and to predict patients' prognosis. As planar imaging may not give enough information for lesion detection or anatomical localization, it can be supplemented with SPECT to increase image contrast particularly in the evaluation of small and complex skeleton...
November 2016: Seminars in Nuclear Medicine
https://www.readbyqxmd.com/read/27824321/metastasis-to-the-medial-cuneiform-bone-from-squamous-cell-carcinoma-of-the-lung-revealed-by-bone-scintigraphy
#12
Wei Li, Wen Li, Rusen Zhang
A 61-year-old man with a history of squamous cell carcinoma of the lung presented with a progressive left foot pain for 7 months. Bone scan was acquired to evaluate possible metastasis, which showed abnormal accumulation of Tc-MDP in the left foot, which was seen in the medial cuneiform bone on SPECT/CT images. Histopathological examination from biopsy specimen confirmed cuneiform bone metastasis from lung squamous carcinoma.
December 2016: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27813621/incidental-thyroid-99mtc-mdp-uptake-in-a-patient-affected-by-differentiated-thyroid-cancer
#13
Domenico Albano, Gian Carlo Magri, Giorgio Treglia, Francesco Bertagna
We report a case of incidental uptake of 99mTc-methylene diphosphonate in the thyroid in a 62-year-old female with a history of breast cancer treated with quadrantectomy, chemotherapy and radiotherapy, who underwent total-body-bone scintigraphy during follow up. Planar scintigraphy was followed by neck SPECT-CT that demonstrated an area of increased tracer uptake in the neck at the left lobe of the thyroid. Neck ultrasonography showed a nodule corresponding to SPECT-CT finding and the ultrasound-guided fine needle aspiration documented the presence of papillary carcinoma...
2016: Nuclear Medicine Review. Central & Eastern Europe
https://www.readbyqxmd.com/read/27796541/radiosynoviorthesis-in-hemophilic-arthropathy-pathologic-blood-pool-imaging-on-pre-therapeutic-bone-scintigraphy-is-not-a-predictor-of-treatment-success
#14
Amir Sabet, Andreas Christian Strauss, Jan Schmolders, Rahel Bornemann, Amin Sabet, Johannes Oldenburg, Peter Hans Pennekamp, Hans Juergen Biersack, Samer Ezziddin
PURPOSE: Increased articular (99m)Tc MDP uptake on blood pool imaging (BPI) of patients with rheumatologic conditions is indicative of active inflammatory changes, and has been suggested as a strong predictor of response to radiosynoviorthesis (RSO). In this study, we aimed to assess the value of pretreatment BPI positivity (i.e. scintigraphic-apparent hyperemia) for successful RSO in hemophilic arthropathy. METHODS: Thirty-four male patients with painful hemophilic arthropathy underwent RSO after failure of conservative treatment...
October 28, 2016: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/27791288/enhancement-of-muramyl-dipeptide-dependent-nod2-activity-by-a-self-derived-peptide
#15
Jasdeep K Mann, Jiaochen Shen, Sheldon Park
Nucleotide-binding and oligomerization domain like receptors (NLR) are pattern recognition receptors used to provide rapid immune response by detecting intracellular pathogen associated molecules. Loss of NLR activity is implicated in genetic disorders, disruption of adaptive immunity, and chronic inflammation. One NLR protein, NOD2, is frequently mutated in Crohn's disease (CD), which is an inflammatory disease of the gastrointestinal tract. Three commonly occurring CD associated NOD2 mutations, R702W, G908R and L1007fs, are clustered near the regulatory domain, leucine rich region (LRR), and lowers the activity of NOD2 in response to muramyl dipeptide (MDP)...
October 28, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27787625/immunization-of-rhesus-macaques-with-echinococcus-multilocularis-recombinant-14-3-3-antigen-leads-to-specific-antibody-response
#16
Karen Lampe, B Gottstein, T Becker, C Stahl-Hennig, F-J Kaup, K Mätz-Rensing
E. multilocularis (Em) is the etiologic agent of alveolar echinococcosis (AE), a severe and potentially fatal disease, primarily affecting the liver of and occurring in aberrant intermediate hosts, e.g., humans and non-human primates. Due to increasing numbers of spontaneous cases of AE in the Old World monkey colonies of the German Primate Center, the question arose as to whether vaccination of non-human primates may represent a useful prophylactic approach. In this pilot study, the recombinant antigen Em14-3-3, which has provided a 97 % protection against E...
October 27, 2016: Parasitology Research
https://www.readbyqxmd.com/read/27785013/alkaline-nanoparticle-coatings-improve-resin-bonding-of-10-methacryloyloxydecyldihydrogenphosphate-conditioned-zirconia
#17
Mengke Qian, Zhicen Lu, Chen Chen, Huaiqin Zhang, Haifeng Xie
Creating an alkaline environment prior to 10-methacryloyloxydecyldihydrogenphosphate (MDP) conditioning improves the resin bonding of zirconia. The present study evaluated the effects of four alkaline coatings with different water solubilities and pH values on resin bonding of MDP-conditioned zirconia. Two alkaline nanoparticle coatings were studied in particular. Thermodynamics calculations were performed to evaluate the strengths of MDP-tetragonal phase zirconia chemical bonds at different pH values. Zirconia surfaces with and without alkaline coatings were characterized by scanning electron microscope (SEM)/energy dispersive spectrometer and Fourier transform infrared spectroscopy; alkaline coatings included NaOH, Ca(OH)2, nano-MgO, and nano-Zr(OH)4...
2016: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/27784459/-abnormal-accumulation-of-99m-tc-mdp-in-stomach-of-patient-with-multiple-myeloma-a-case-report
#18
J Z Ren, Z W Huo, X H Wang, Y Liu, G R Yang
No abstract text is available yet for this article.
October 23, 2016: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/27773341/layering-mechanism-of-mdp-ca-salt-produced-in-demineralization-of-enamel-and-dentin-apatite
#19
Takehiro Yaguchi
OBJECTIVE: The 10-methacryloyloxydecyl dihydrogen phosphate (MDP) (EX adhesives)-based one-step self-etch adhesives have become widely utilized due to their simplified application procedures. The aim of this study was to determine the type of the molecular species of calcium salts of MDP (MDP-Ca salts) that form a layered structure and to understand the layering mechanism of MDP-Ca salts. METHODS: The EX adhesives were prepared by varying the amounts of MDP (25...
October 20, 2016: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/27766509/simulation-based-approximate-policy-iteration-for-dynamic-patient-scheduling-for-radiation-therapy
#20
Yasin Gocgun
We study radiation therapy scheduling problem where dynamically and stochastically arriving patients of different types are scheduled to future days. Unlike similar models in the literature, we consider cancellation of treatments. We formulate this dynamic multi-appointment patient scheduling problem as a Markov Decision Process (MDP). Since the MDP is intractable due to large state and action spaces, we employ a simulation-based approximate dynamic programming (ADP) approach to approximately solve our model...
October 20, 2016: Health Care Management Science
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