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https://www.readbyqxmd.com/read/28930831/accessory-spleen-located-in-the-right-parietal-peritoneum-the-first-case-report
#1
Shao-Yan Xu, Ke Sun, Hai-Yang Xie, Lin Zhou, Shu-Sen Zheng, Weilin Wang
RATIONALE: Accessory spleen is a congenital abnormality caused by failure of the splenic anlage to fuse during embryology. The presence of an accessory spleen located in the parietal peritoneum has not been reported so far, and an accessory spleen situated on the right side is extremely rare. In the present study, we describe the first case of an accessory spleen located in the right parietal peritoneum. PATIENTS CONCERNS: A 65-year-old man, presented with pain in his left abdomen for 1 month...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28928924/giant-pulmonary-teratoma-with-huge-splenic-lymphangiomatosis-a-very-rare-case
#2
Hemail M Alsubaie, Khaled M Alsubaie, Mohammed Eid Mahfouz
Teratomas are tumors composed of tissues derived from more than one germ cell line. They manifested with a great variety of clinical and radiological features. We report a case of a giant left hemithorax teratoma in a female with huge spleen tumor and review the relevant literature. A 38-year-old female with progressively aggravating dyspnea at rest from a mild trauma. Absent breath sounds on the left side. There was splenomegaly. Computed tomography scan revealed a huge mass (20 × 15 × 18 cm), containing elements of heterogeneous density in the left hemithorax...
September 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28928892/the-targeted-antitumor-effects-of-c-pc-cmc-cd59sp-nanoparticles-on-hela-cells-in-vitro-and-in-vivo
#3
Yujuan Wang, Liangqian Jiang, Qifeng Yin, Huihui Liu, Guoxiang Liu, Guoteng Zhu, Bing Li
The novel C-PC/CMC-CD59sp-NPs were made by carbocymethyl chitosan (CMC) loading C-phycocyanin (C-PC) with the lead of CD59 specific ligand peptide (CD59sp) for targeting, and the characteristics and targeted anti-tumor mechanism were explored in order to realize the targeted therapy of C-PC on the growth of HeLa cells both in vitro and vivo. The targeting nanoparticles were synthesized by ionic-gelation method, and the optimal condition was selected out by orthogonal analysis. The properties of nanoparticles were observed by laser particle analyzer and dynamic light scattering (DLS) and Fourier Transform Infrared Spectrometer (FTIR)...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28928840/a-cytokine-signal-inhibitor-for-rheumatoid-arthritis-enhances-cancer-metastasis-via-depletion-of-nk-cells-in-an-experimental-lung-metastasis-mouse-model-of-colon-cancer
#4
Hideki Shimaoka, Shinsuke Takeno, Kenji Maki, Takahide Sasaki, Suguru Hasegawa, Yuichi Yamashita
Current therapy for rheumatoid arthritis (RA) relies on global suppression of the immune response or specific blockade of inflammatory cytokines. However, it is unclear how immunosuppressants affect patients with cancer. Therefore, in the present study, the effect of three biological agents, tofacitinib, anti-mouse IL-6 receptor antibody (MR16-1) and etanercept, which are used for the treatment of RA diseases, on a tumor-bearing mouse model was investigated. The effect of the three agents was examined using a mouse lung-metastasis model with the murine colon 26 cancer cell line...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28927426/the-acid-sensing-ion-channel-asic2-promotes-invasion-and-metastasis-of-colorectal-cancer-under-acidosis-by-activating-the-calcineurin-nfat1-axis
#5
Zhi-Hang Zhou, Jin-Wen Song, Wen Li, Xue Liu, Liu Cao, Lu-Ming Wan, Ying-Xia Tan, Shou-Ping Ji, Yu-Mei Liang, Feng Gong
BACKGROUND: The tumor acidic microenvironment, a common biochemical event in solid tumors, offers evolutional advantage for tumors cells and even enhances their aggressive phenotype. However, little is known about the molecular mechanism underlying the acidic microenvironment-induced invasion and metastasis. METHODS: We examined the expression of the acid-sending ion channel (ASIC) family members after acidic exposure using RT-PCR and immunofluoresence. Gene manipulation was applied to reveal the potential of ASIC2 on invasion, proliferation, colony formation of colorectal cancer (CRC)...
September 19, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28927121/the-role-of-jagged1-notch-pathway-mediated-angiogenesis-of-hepatocarcinoma-cells-in-vitro-and-the-effects-of-the-spleen-invigorating-and-blood-stasis-removing-recipe
#6
Juze Lin, Yongxin Lin, Le Su, Qiao Su, Wei Guo, Xuhui Huang, Changjun Wang, Lizhu Lin
The objective of this study was to observe the effect of Jagged1/Notch pathway-mediated angiogenesis on the in vitro proliferation of hepatocellular carcinoma cells, and the effect and possible mechanism of the spleen-invigorating and blood stasis-removing recipe. Spleen-invigorating and blood stasis-removing recipe serum from SPF grade nude mice was prepared, and the fingerprint of the drugs of the spleen-invigorating and blood stasis-removing recipe and drug serum were identified by HPLC. SMMC-7721 human hepatocellular carcinoma cells were divided into the normal control group, DAPT inhibitor control group, and drug serum group according to the different treatments...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28924629/a-psma-ligand-labeled-with-cobalt-55-for-pet-imaging-of-prostate-cancer
#7
Johan Hygum Dam, Birgitte Brinkmann Olsen, Christina Baun, Poul Flemming Høilund-Carlsen, Helge Thisgaard
PURPOSE: Prostate-specific membrane antigen (PSMA) comprises a recognized target for molecular imaging of prostate cancer. As such, radiolabeled PSMA inhibitors are of great value for diagnosis and staging of this disease. Herein, we disclose the preclinical characterization of [(55)Co]PSMA-617 for positron emission tomography (PET)/x-ray computed tomography (CT) imaging of prostate cancer lesions. PROCEDURES: By the application of microwave heating, PSMA-617 in acetate buffer (0...
September 18, 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/28922365/isothiocyanate-enriched-moringa-seed-extract-alleviates-ulcerative-colitis-symptoms-in-mice
#8
Youjin Kim, Alex G Wu, Asha Jaja-Chimedza, Brittany L Graf, Carrie Waterman, Michael P Verzi, Ilya Raskin
Moringa (Moringa oleifera Lam.) seed extract (MSE) has anti-inflammatory and antioxidant activities. We investigated the effects of MSE enriched in moringa isothiocyanate-1 (MIC-1), its putative bioactive, on ulcerative colitis (UC) and its anti-inflammatory/antioxidant mechanism likely mediated through Nrf2-signaling pathway. Dextran sulfate sodium (DSS)-induced acute (n = 8/group; 3% DSS for 5 d) and chronic (n = 6/group; cyclic rotations of 2.5% DSS/water for 30 d) UC was induced in mice that were assigned to 4 experimental groups: healthy control (water/vehicle), disease control (DSS/vehicle), MSE treatment (DSS/MSE), or 5-aminosalicyic acid (5-ASA) treatment (positive control; DSS/5-ASA)...
2017: PloS One
https://www.readbyqxmd.com/read/28919998/reciprocal-influence-of-b-cells-and-tumor-macro-and-microenvironments-in-the-apc-min-model-of-colorectal-cancer
#9
Francesca Mion, Stefania Vetrano, Silvia Tonon, Viviana Valeri, Andrea Piontini, Alessia Burocchi, Luciana Petti, Barbara Frossi, Alessandro Gulino, Claudio Tripodo, Mario P Colombo, Carlo E Pucillo
One of the most fascinating aspects of the immune system is its dynamism, meant as the ability to change and readapt according to the organism needs. Following an insult, we assist to the spontaneous organization of different immune cells which cooperate, locally and at distance, to build up an appropriate response. Throughout tumor progression, adaptations within the systemic tumor environment, or macroenvironment, result in the promotion of tumor growth, tumor invasion and metastasis to distal organs, but also to dramatic changes in the activity and composition of the immune system...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28918429/synergy-of-dendritic-cell-vaccines-and-avasimibe-in-treatment-of-head-and-neck-cancer-in-mice
#10
Xin Chen, Qibin Song, Leiming Xia, Ximing Xu
BACKGROUND The main purpose of this study was to explore the antitumor effect and mechanisms of ACAT1 inhibitor combined with CSCs-DC vaccine. MATERIAL AND METHODS We isolated HNSCC CSCs and gained CSCs antigens, then used CSCs antigens to load dendritic cells (DC) and generated a CSCs-DC vaccine. We treated mice after surgical excision of established SCC7 tumors with CSCs-DC vaccine and/or ACAT1 inhibitor, and recorded local tumor relapse and host survival. T cells and B cells were harvested from mice treated with CSCs-DC vaccine and/or ACAT1 inhibitor...
September 17, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28915008/h2s-activated-drug-release-from-protein-cages
#11
Weijian Chen, Yajie Zhang, Xiao Li, Hong Chen, Jian Sun, Fude Feng
We took advantage of gasotransmitter H2S as a chemical reaction-based trigger for controlled release of doxorubicin which is pre-coordinated by copper ions and enclosed in horse spleen apoferritin. The nanocomposite is stable at physiological pH and temperature before H2S activation. The drug release strategy avoids disassembly of protein shells and is controllable by the strong affinity of sulfide with copper ions. The in vitro cytotoxicity assay indicates the antitumor effect of doxorubicin toward tumor cells could be achievable by H2S activation...
September 15, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28913158/dosimetry-and-first-human-experience-with-89-zr-panitumumab
#12
Liza Lindenberg, Stephen Adler, Ismail B Turkbey, Francesca Mertan, Anita Ton, Khanh Do, Shivaani Kummar, Esther Mena Gonzalez, Sibaprasad Bhattacharyya, Paula M Jacobs, Peter Choyke
(89)Zr-panitumumab is a novel immuno-PET radiotracer. A fully humanized IgG2 antibody, panitumumab binds with high affinity to the extracellular ligand binding domain of EGFR. Immuno-PET with radiolabeled panitumumab is a non-invasive method that could characterize EGFR expression in tumors and metastatic lesions. It might also assist in selecting patients likely to benefit from targeted therapy as well as monitor response and drug biodistribution for dosing guidance. Our objective was to calculate the maximum dosing for effective imaging with minimal radiation exposure in a small subset...
2017: American Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28911642/lactobacillus-pentosus-gmnl-77-inhibits-skin-lesions-in%C3%A2-imiquimod-induced-psoriasis-like-mice
#13
Yi-Hsing Chen, Chieh-Shan Wu, Ya-Husan Chao, Chi-Chen Lin, Hui-Yun Tsai, Yi-Rong Li, Yi-Zhen Chen, Wan-Hua Tsai, Yu-Kuo Chen
Psoriasis, which is regarded as a T-cell-mediated chronic inflammatory skin disease, is characterized by hyperproliferation and poor differentiation of epidermal keratinocytes. In this study, we aimed to determine the in vivo effect of a potentially probiotic strain, Lactobacillus pentosus GMNL-77, in imiquimod-induced epidermal hyperplasia and psoriasis-like skin inflammation in BALB/c mice. Oral administration of L. pentosus GMNL-77 significantly decreased erythematous scaling lesions. Real-time polymerase chain reaction showed that treatment with L...
July 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28910208/immunohistochemical-and-immunocytochemical-findings-associated-with-marek-s-disease-virus-in-naturally-infected-laying-hens
#14
O Yavuz, H Erer
We compared immunohistochemical (IHC) staining of tissue sections of liver, kidney, spleen, lung, proventriculus, sciatic nerve, bursa of Fabricius, brain, heart, intestine and skin; immunocytochemical (ICC) staining of peripheral blood samples and touch preparations of liver, spleen and kidney of laying hens naturally infected with Marek's disease (MD) virus. We used one hundred and fifty 5-17-week-old commercial hens. IHC and ICC staining were performed using polymer-based techniques. IHC staining exhibited mostly free immunopositive reactions in tumor cells and in the cytoplasm of the parenchymal cells of liver, kidney, spleen and bursa of Fabricius...
September 14, 2017: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/28904861/a-modified-graft-versus-host-induced-model-for-systemic-sclerosis-with-pulmonary-fibrosis-in-rag2-deficient-mice
#15
Xue Yang, Chi Liu, Masayuki Fujino, Ji Yang, Xiao-Kang Li, Hejian Zou
Systemic sclerosis (SSc) is a connective tissue disease that results in fibrosis in multiple organs. Various animal models for this disease have been developed, both genetic and induced. One of the induced models, sclerodermatous graft-versus-host disease (scl-GvHD), exhibits the main characteristics of SSc, but involves lethal γ-irradiation of recipients. We sought to develop a modified scl-GvHD model. Spleen cells from B10.D2 donor mice were transplanted into immunodeficient Rag-2 recipients on the BALB/c genetic background...
September 2017: FEBS Open Bio
https://www.readbyqxmd.com/read/28903405/uptake-of-psma-ligands-in-normal-tissues-is-dependent-on-tumor-load-in-patients-with-prostate-cancer
#16
Florian C Gaertner, Khalil Halabi, Hojjat Ahmadzadehfar, Stefan Kürpig, Elisabeth Eppard, Charalambos Kotsikopoulos, Nikolaos Liakos, Ralph A Bundschuh, Holger Strunk, Markus Essler
Radioligand therapy (RLT) with Lu-177-labeled PSMA-ligands is a new therapy option for prostate cancer. Biodistribution in normal tissues is of interest for therapy planning. We evaluated if the biodistribution of Ga-68-PSMA-11 is influenced by tumor load. RESULTS: In patients with high tumor load, SUVmean was reduced to 61.5% in the lacrimal glands, to 56.6% in the parotid glands, to 63.7% in the submandibular glands, to 61.3% in the sublingual glands and to 55.4% in the kidneys (p < 0...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28903369/toxicology-and-efficacy-of-tumor-targeting-salmonella-typhimurium-a1-r-compared-to-vnp-20009-in-a-syngeneic-mouse-tumor-model-in-immunocompetent-mice
#17
Yong Zhang, Wenluo Cao, Makoto Toneri, Nan Zhang, Tasuku Kiyuna, Takashi Murakami, Scott D Nelson, Sarah M Dry, Yunfeng Li, Shukuan Li, Xiaoen Wang, Huaiyu Ma, Arun S Singh, Fritz C Eilber, Robert M Hoffman, Ming Zhao
Salmonella typhimurium A1-R (S. typhimurium A1-R) attenuated by leu and arg auxotrophy has been shown to target multiple types of cancer in mouse models. In the present study, toxicologic and biodistribution studies of tumor-targeting S. typhimurium A1-R and S. typhimurium VNP20009 (VNP 20009) were performed in a syngeneic tumor model growing in immunocompetent BALB/c mice. Single or multiple doses of S. typhimurium A1-R of 2.5 × 10(5) and 5 × 10(5) were tolerated. A single dose of 1 × 10(6) resulted in mouse death...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28901397/beneficial-effect-of-20%C3%A2-hydroxyecdysone-exerted-by-modulating-antioxidants-and-inflammatory-cytokine-levels-in-collagen%C3%A2-induced-arthritis-a-model-for-rheumatoid-arthritis
#18
You Sun, De-Li Zhao, Zi-Xuan Liu, Xue-Hui Sun, Yang Li
Rheumatoid arthritis is a chronic autoimmune disease characterized by an elevated synovial inflammatory response, with destruction or erosion of articular cartilage in major joints. The aim of the present study was to examine whether 20‑hydroxyecdysone (HES) is able to ameliorate oxidative stress and inflammatory responses in a collagen‑induced rheumatoid arthritis (CIA) rat model. A total of 40 healthy male rats were selected arbitrarily and separated into four groups. Rats treated with saline served as a control (group I), rats subjected to CIA induction by intradermal injection of bovine collagen II type served as the induced group (group II), while rats induced with CIA and administered with 10 and 20 mg/kg bodyweight HES for 28 days served as treatment groups (groups III and IV)...
August 29, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28900382/immunization-enhances-the-natural-antibody-repertoire
#19
Dylan Beinart, Daniel Ren, Cinthia Pi, Susan Poulton, Zoie E Holzknecht, Chelsea Swanson, William Parker
The role of immunization in the production of antibodies directed against immunogens is widely appreciated in laboratory animals and in humans. However, the role of immunization in the development of "natural antibodies" has not been investigated. Natural antibodies are those antibodies present without known history of infection or immunization, and react to a wide range of targets, including "cryptic" self-antigens that are exposed upon cell death. In this study, the ability of immunization to elicit the production of natural antibodies in laboratory rats was evaluated...
2017: EXCLI journal
https://www.readbyqxmd.com/read/28898277/iron-imaging-reveals-tumor-and-metastasis-macrophage-hemosiderin-deposits-in-breast-cancer
#20
Avigdor Leftin, Nir Ben-Chetrit, Florian Klemm, Johanna A Joyce, Jason A Koutcher
Iron-deposition is a metabolic biomarker of macrophages in both normal and pathological situations, but the presence of iron in tumor and metastasis-associated macrophages is not known. Here we mapped and quantified hemosiderin-laden macrophage (HLM) deposits in murine models of metastatic breast cancer using iron and macrophage histology, and in vivo MRI. Iron MRI detected high-iron pixel clusters in mammary tumors, lung metastasis, and brain metastasis as well as liver and spleen tissue known to contain the HLMs...
2017: PloS One
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