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https://www.readbyqxmd.com/read/29150986/memory-t-cells-are-significantly-increased-in-rejecting-liver-allografts-of-rhesus-monkeys
#1
Hwajung Kim, Hyeyoung Kim, Sun-Kyung Lee, Xue-Li Jin, Tae Jin Kim, Chanho Park, Jae-Il Lee, Hyo-Sin Kim, Suk Kyun Hong, Kyung Chul Yoon, Sung Woo Ahn, Kyoung-Bun Lee, Nam-Joon Yi, Jaeseok Yang, Kwang-Woong Lee, Wayne J Hawthorne, Kyung-Suk Suh
INTRODUCTION: The Rhesus monkey (RM) is an excellent preclinical model in kidney, heart and islet transplantation that has provided the basis for new immunosuppressive protocols for clinical studies. However, there remain relatively few liver transplantation (LT) models in nonhuman primates. In this study, we analyzed the immune cell populations of PBMCs and secondary lymphoid organs along with livers of normal rhesus monkeys and compared them to those of rejecting liver transplanted recipient's following withdrawal of immunosuppression...
November 18, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/29150704/evaluation-of-immune-mediated-idiosyncratic-drug-toxicity-using-chimeric-hla-transgenic-mice
#2
Takeshi Susukida, Shigeki Aoki, Kotaro Kogo, Sota Fujimori, Binbin Song, Cong Liu, Shuichi Sekine, Kousei Ito
Immune-mediated idiosyncratic drug toxicity (IDT) is a rare adverse drug reaction, potentially resulting in death. Although genome-wide association studies suggest that the occurrence of immune-mediated IDT is strongly associated with specific human leukocyte antigen (HLA) allotypes, these associations have not yet been prospectively demonstrated. In this study, we focused on HLA-B*57:01 and abacavir (ABC)-induced immune-mediated IDT, and constructed transgenic mice carrying chimeric HLA-B*57:01 (B*57:01-Tg) to determine if this in vivo model may be useful for evaluating immune-mediated IDT...
November 17, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/29150565/the-role-of-macrophages-in-the-response-to-tnf-inhibition-in-experimental-arthritis
#3
Qi-Quan Huang, Robert Birkett, Renee Doyle, Bo Shi, Elyssa L Roberts, Qinwen Mao, Richard M Pope
The reduction of synovial tissue macrophages is a reliable biomarker for clinical improvement in patients with rheumatoid arthritis (RA), and macrophages are reduced in synovial tissue shortly after initiation of TNF inhibitors. The mechanism for this initial response is unclear. These studies were performed to identify the mechanisms responsible for the initial reduction of macrophages following TNF inhibition, positing that efflux to draining lymph nodes was involved. RA synovial tissue and synovial fluid macrophages expressed CCR7, which was increased in control macrophages following incubation with TNF-α...
November 17, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29150482/effect-of-mammography-screening-on-mortality-by-histological-grade
#4
Laszlo Tabar, Tony Hsiu-Hsi Chen, Amy Ming-Fang Yen, Sam Li-Sheng Chen, Jean Ching-Yuan Fann, Sherry Yueh-Hsia Chiu, May Ms Ku, Wendy Yi-Ying Wu, Chen-Yang Hsu, Yu-Ying Chen, Kerri Beckmann, Robert A Smith, Stephen W Duffy
BACKGROUND: It has been asserted that mammography screening preferentially benefits those with less aggressive cancers, with lesser or no impact on more rapidly progressing and therefore more life-threatening tumours. METHODS: We utilized data from the Swedish Two-County Trial, which randomized 77,080 women aged 40-74 to invitation to screening and 55,985 for usual care. We tabulated cancers by histological grade and then compared mortality from cancers specific to histological grade between the invited and control group using Poisson regression, with specific interest in the effect on mortality from grade 3 cancers...
November 17, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/29150365/correlation-between-ultrasound-appearance-of-small-breast-cancer-and-axillary-lymph-node-metastasis
#5
Xiaoqin Yu, Xiaoyan Hao, Jing Wan, Yingying Wang, Lan Yu, Binyue Liu
To study the correlation of ultrasonographic signs of small breast cancer (maximum diameter ≤2.0 cm) with axillary lymph node metastasis, pre-operative ultrasonographic images of 153 small breast malignant neoplasms in 143 breast cancer patients were analyzed according to their pathologic features. Of the small breast tumors included, 47 showed axillary lymph node metastasis. Diagnosis of all patients was obtained with radical axillary surgery or a sentinel lymph node biopsy procedure. Ultrasonographic signs included irregular shape, microlobulated contour, spiculation, microcalcification, posterior echo attenuation, blood-flow grade, perforating vessels, changes in fascia or cooper's ligament and maximum cortical thickness of lymph nodes...
November 14, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29150219/non-neoplastic-histiocytic-and-dendritic-cell-disorders-in-lymph-nodes
#6
REVIEW
Caoimhe Egan, Elaine S Jaffe
Benign and malignant proliferations of histiocytes and dendritic cells may be encountered in lymph nodes. Reactive histiocytic and dendritic cell infiltrates occur in response to diverse stimuli and in addition to causing lymphadenopathy, may be present unexpectedly in lymph nodes excised for other indications. This review summarizes the pathogenesis and histopathological features of the various non-neoplastic histiocytic and dendritic cell infiltrates that can occur in lymph nodes.
November 3, 2017: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/29149900/immunogenic-potential-of-a-salmonella-typhimurium-live-vaccine-for-pigs-against-monophasic-salmonella-typhimurium-dt-193
#7
Tobias Theuß, Elke Ueberham, Jörg Lehmann, Thomas Lindner, Sven Springer
BACKGROUND: Monophasic Salmonella Typhimurium (mSTM) strains account for up to 8.6% of all human Salmonellosis cases. They have an increasing prevalence during recent years and several human cases with hospitalisation were reported. These strains are often isolated from pigs and pork - one primary source of human infection. A Salmonella Typhimurium (STM) live vaccine has been proven successful in controlling of STM infections in pigs for many years. The aim of this study was to test the immunogenicity of the vaccine in weaners during oral challenge with a virulent mSTM strain and to examine the kinetics of STM-specific IgA, IgM and IgG antibodies induced by vaccination and infection...
November 17, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29149427/the-impact-of-the-national-bowel-screening-program-in-the-netherlands-on-detection-and-treatment-of-endoscopically-unresectable-benign-polyps
#8
C C M Marres, C J Buskens, E Schriever, P C M Verbeek, M W Mundt, W A Bemelman, A W H van de Ven
BACKGROUND: In January 2014, a national bowel cancer screening program started in the Netherlands. The program is being implemented in phases until 2019. Due to this program, an increase in patients referred for a colorectal resection for benign, but endoscopically unresectable polyps, is expected. So far, most resections are performed according to oncological principles despite no pre-operative histological diagnosis of malignancy. The aim of this study was to analyze the increase in referred patients during the first year of the screening program and to compare pathological results and clinical outcome of resections of patients undergoing resection for benign polyps before and after implementation of screening...
November 17, 2017: Techniques in Coloproctology
https://www.readbyqxmd.com/read/29149426/relationship-between-lat1-expression-and-resistance-to-chemotherapy-in-pancreatic-ductal-adenocarcinoma
#9
Bolag Altan, Kyoichi Kaira, Akira Watanabe, Norio Kubo, Pinjie Bao, Gantumur Dolgormaa, Erkhem-Ochir Bilguun, Kenichiro Araki, Yoshikatsu Kanai, Takehiko Yokobori, Tetsunari Oyama, Masahiko Nishiyama, Hiroyuki Kuwano, Ken Shirabe
PURPOSE: L-type amino acid transporter 1 (LAT1) is linked to tumor cell proliferation, angiogenesis, and survival in various human cancers. Although the expression of LAT1 was identified as a significant prognostic predictor after surgery in patients with pancreatic ductal adenocarcinoma (PDAC), little is known about the clinical significance of LAT1 as a chemotherapeutic resistance factor in PDAC. METHODS: A total of 110 patients with surgically resected PDAC were retrospectively reviewed as the training set...
November 17, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/29148865/metronomic-therapy-has-low-toxicity-and-is-as-effective-as-current-standard-treatment-for-recurrent-high-risk-neuroblastoma
#10
Frank Berthold, Marc Hömberg, Inna Proleskovskaya, Pavel Mazanek, Margarita Belogurova, Angela Ernst, Jaroslav Sterba
The metronomic therapy concept uses low doses of continuously applied chemotherapeutic, anti-angiogenetic, and immunomodulating drugs. Twenty patients with recurrent and 3 with refractory high-risk neuroblastoma were treated by the metronomic concept using celecoxib, cyclophosphamide, vinblastine, and etoposide for up to 24 months. The outcome was compared to 274 matched patients with a first recurrence from stage 4 neuroblastoma using the variables time from diagnosis to first recurrence, number of organs involved, and MYCN amplification...
November 17, 2017: Pediatric Hematology and Oncology
https://www.readbyqxmd.com/read/29148702/influence-of-particle-geometry-on-gastrointestinal-transit-and-absorption-following-oral-administration
#11
Dong Li, Jie Zhuang, Haisheng He, Sifan Jiang, Amrita Banerjee, Yi Lu, Wei Wu, Samir Mitragotri, Li Gan, Jianping Qi
Geometry has been considered as one of the important parameters in nanoparticle design since it affects cellular uptake, transport across the physiological barriers and in vivo distribution. However, only a few studies have been conducted to elucidate the influence of nanoparticle geometry in their in vivo fate after oral administration. This paper discloses the effect of nanoparticle shape on transport and absorption in gastrointestinal tract (GIT). Nanorods and nanospheres were prepared, and labeled using fluorescence resonance energy transfer (FRET) molecules to track the in vivo fate of intact nanoparticles accurately...
November 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29148698/chelator-free-conjugation-of-99mtc-and-gd3-to-pegylated-nanographene-oxide-for-dual-modality-spect-mr-imaging-of-lymph-nodes
#12
Tianye Cao, Xiaobao Zhou, Yingying Zheng, Yuyun Sun, Jian Zhang, Wei Chen, Jianping Zhang, Zhiguo Zhou, Shi-Ping Yang, Yingjian Zhang, Hong Yang, Ming-Wei Wang
PEGylated ultra-small nanographene oxide (usNGO-PEG) has exhibited great potential in nanotheranostics due to its newly-discovered physicochemical properties derived from the rich functional groups and  bonds. Herein, we developed a general, simple and kit-like preparation approach for 99mTcI- and Gd-anchored NGO-PEG using a chelator-free strategy. In this strategy, [99mTcI(CO)3(OH2)3]+ (abbreviated to 99mTcI) and GdCl3 were mixed with usNGO-PEG to yield 99mTc- and Gd-usNGO-PEG via the synergistic coordination of N and O atoms from NGO and PEG with 99mTcI and Gd3+ without additional exogenous chelators...
November 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29148536/characterization-of-foreign-materials-in-paraffin-embedded-pathological-specimens-using-in-situ-multi-elemental-imaging-with-laser-spectroscopy
#13
Benoit Busser, Samuel Moncayo, Florian Trichard, Vincent Bonneterre, Nicole Pinel, Frédéric Pelascini, Philippe Dugourd, Jean-Luc Coll, Michel D'Incan, Julie Charles, Vincent Motto-Ros, Lucie Sancey
Pathologists typically encounter many disparate exogenous materials in clinical specimens during their routine histopathological examinations, especially within the skin, lymph nodes, and lungs. These foreign substances may be free extracellular deposits or induce several clinical abnormalities or histopathological patterns. However, pathologists almost never investigate or report the chemical nature of exogenous metals in clinical specimens due to a lack of convenient and available technologies. In this paper, a novel strategy based on laser-induced breakdown spectroscopy (LIBS) technology is evaluated for in situ multi-elemental tissue imaging...
November 17, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29148014/unfavorable-clinical-implications-of-peripheral-blood-cd44-and-cd54-lymphocytes-in-patients-with-lung-cancer-undergoing-chemotherapy
#14
Zhuanbo Luo, Yun Wang, Yanru Lou, Chao Cao, Richard Hubbard, Ning Xu, Xiaoping Huang
BACKGROUND: There is an unmet need for identification of additional prognostic markers for lung cancer. The aim of this study was to identify novel clinical and immunological predictors of prognosis in lung cancer patients. METHODS: Lymphocyte subsets CD3+, CD4+, CD8+, CD4+/8+, CD25+, CD69+, CD44+ and CD54+ were quantified in peripheral blood using flow cytometry, for 203 newly diagnosed lung cancer patients and 120 healthy controls. RESULTS: The levels of CD3+, CD4+, CD8+, CD4+/CD8+ and CD69+ lymphocytes were significantly lower in patients with lung cancer compared with the healthy control group, while CD54+ and CD44+ lymphocytes were significantly higher...
November 15, 2017: International Journal of Biological Markers
https://www.readbyqxmd.com/read/29147928/surgical-management-of-early-stage-esophageal-adenocarcinoma-based-on-lymph-node-metastasis-risk
#15
Andrew D Newton, Jarrod D Predina, Leilei Xia, Robert E Roses, Giorgos C Karakousis, Daniel T Dempsey, Noel N Williams, John C Kucharczuk, Sunil Singhal
BACKGROUND: In early-stage esophageal adenocarcinoma (EAC), esophagectomy improves staging but also increases mortality compared with endoscopic resection. Our objective was to quantify esophagectomy mortality and lymph node metastasis (LNM) risk in early-stage EAC to improve surgical treatment allocation. METHODS: We identified National Cancer Database (2004-2014) patients with nonmetastatic, Tis, T1a, or T1b EAC who had primary surgical resection and microscopic examination of at least 15 lymph nodes...
November 16, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29147774/assessment-of-mediastinal-lymph-node-size-in-pneumococcal-pneumonia-with-bacteremia
#16
Amit Chopra, Aakash Modi, Haroon Chaudhry, Recai Yucel, Neha Rane, John Fantauzzi, Frederic J Hellwitz, Marc A Judson
INTRODUCTION: The significance of mediastinal lymphadenopathy in bacterial pneumonia is unclear. METHODS: We performed a retrospective analysis of mediastinal lymph node size determined by chest CT in patients with bacteremic pneumococcal pneumonia. All patients who had positive blood cultures for streptococcus pneumonia over an 11-year period and had a chest CT scan (index CT) within 2 weeks of the positive blood culture were included in the study. Two thoracic radiologists and one pulmonologist independently examined the index CT plus any chest CT scans performed prior (pre-CT) or after (post-CT) the bacteremic episode...
November 16, 2017: Lung
https://www.readbyqxmd.com/read/29147764/prospective-evaluation-of-18-f-facbc-pet-ct-and-pet-mri-versus-multiparametric-mri-in-intermediate-to-high-risk-prostate-cancer-patients-flucipro-trial
#17
Ivan Jambor, Anna Kuisma, Esa Kähkönen, Jukka Kemppainen, Harri Merisaari, Olli Eskola, Jarmo Teuho, Ileana Montoya Perez, Marko Pesola, Hannu J Aronen, Peter J Boström, Pekka Taimen, Heikki Minn
PURPOSE: The purpose of this study was to evaluate (18)F-FACBC PET/CT, PET/MRI, and multiparametric MRI (mpMRI) in detection of primary prostate cancer (PCa). METHODS: Twenty-six men with histologically confirmed PCa underwent PET/CT immediately after injection of 369 ± 10 MBq (18)F-FACBC (fluciclovine) followed by PET/MRI started 55 ± 7 min from injection. Maximum standardized uptake values (SUVmax) were measured for both hybrid PET acquisitions. A separate mpMRI was acquired within a week of the PET scans...
November 16, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29147759/patterns-and-predictors-of-recurrence-after-open-radical-cystectomy-for-bladder-cancer-a-comprehensive-review-of-the-literature
#18
REVIEW
Andrea Mari, Riccardo Campi, Riccardo Tellini, Giorgio Gandaglia, Simone Albisinni, Mohammad Abufaraj, Georgios Hatzichristodoulou, Francesco Montorsi, Roland van Velthoven, Marco Carini, Andrea Minervini, Shahrokh F Shariat
PURPOSE: To review the currently available literature reporting the patterns of recurrence and their predictive factors after open radical cystectomy (RC) for bladder cancer. METHODS: A review of the literature was performed using the MEDLINE, Scopus and Web of Sciences databases from January 1997 to May 2017. The PRISMA guidelines were followed for the conduct of the study. RESULTS: Local recurrence rate ranges between 30 and 54%. Distant recurrence is not often standardized and is reported in up to 50% of cases...
November 16, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/29147449/prostatic-lymphoma-masquerading-as-urinary-retention-and-hematuria-with-review-of-literature
#19
Tsering Gyalpo Lama Tamang, Prabhsimranjot Singh, Jonathan Garellek, Sonali Malhotra, Abhinav Binod Chandra, William Solomon
Lymphomas of prostate are very rare tumors. They are not commonly considered in the clinical and histological differential diagnosis of prostatic enlargement. We report a case of a 49-year-old man who presented to emergency department with several weeks of difficulty in urination, for which he was being treated for benign prostate hyperplasia with no improvement. Computerized tomography scan showed lobulated mass originating from the superior aspect of the prostate with right inguinal lymph node involvement and no distant organ metastatic disease...
August 2017: World Journal of Oncology
https://www.readbyqxmd.com/read/29147448/lessons-from-managing-the-breast-malignant-adenomyoepithelioma-and-the-discussion-on-treatment-strategy
#20
Zhu Yuan, Xiang Qu, Zhong-Tao Zhang, Wen G Jiang
This study set out to investigate the clinical diagnosis and treatment strategies for malignant breast adenomyoepithelioma (AME), thus increasing the clinical knowledge on such disease. Two patients with malignant breast AME in Beijing Friendship Hospital were selected for study. Here we report the diagnosis and treatment processes in terms of the failure experience and lessons and relate our findings to those in the literature. Malignant breast AME is inclined to affect the areola area. It is recommended to conduct simple mastectomy combined with sentinel lymph node dissection due to the low sensitivity of the preoperative imaging diagnosis and difficulty in the pathological diagnosis...
August 2017: World Journal of Oncology
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