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https://www.readbyqxmd.com/read/28434074/adipose-derived-stem-cells-ameliorate-experimental-murine-colitis-via-tsp-1-dependent-activation-of-latent-tgf-%C3%AE
#1
Hiroshi Takeyama, Tsunekazu Mizushima, Mamoru Uemura, Naotsugu Haraguchi, Junichi Nishimura, Taishi Hata, Chu Matsuda, Ichiro Takemasa, Masakazu Ikenaga, Kohei Murata, Hirofumi Yamamoto, Yuichiro Doki, Masaki Mori
BACKGROUND: Adipose tissue-derived stem cells (ASCs) have been investigated as therapeutic tools for a variety of autoimmune diseases, including inflammatory diseases. However, the mechanisms underlying the immunomodulatory properties of ASCs are not well understood. Here, we investigated the mechanism of regulatory T cell (Treg) induction in ASC therapy in a murine model of inflammatory bowel disease. METHODS: Acute colitis was induced in mice using dextran sulfate sodium and ASCs administered intraperitoneally...
April 22, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28433983/pulmonary-metastasis-from-renal-epithelioid-angiomyolipoma-in-the-setting-of-breast-cancer
#2
Eoin MacCraith, Aoife McCarthy, Niall Swan, David Quinlan
A 68-year-old woman presented with visible haematuria. Ultrasonography and triphasic CT revealed a 2.6 cm mass in the lower pole of the left kidney. A biopsy suggested low-grade renal cell carcinoma. Radical nephrectomy was performed and revealed an epithelioid angiomyolipoma. At year 3, the patient developed ductal carcinoma of the right breast and underwent a wide local excision and sentinel lymph node biopsy followed by chemotherapy and radiotherapy. 4 months later, she was noted to have a 1.6 cm nodule in the middle lobe of her right lung...
April 22, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28433800/chromosomal-alterations-and-gene-expression-changes-associated-with-the-progression-of-leukoplakia-to-advanced-gingivobuccal-cancer
#3
Priyanka G Bhosale, Simona Cristea, Srikant Ambatipudi, Rajiv S Desai, Rajiv Kumar, Asawari Patil, Shubhada Kane, Anita M Borges, Alejandro A Schäffer, Niko Beerenwinkel, Manoj B Mahimkar
We present an integrative genome-wide analysis that can be used to predict the risk of progression from leukoplakia to oral squamous cell carcinoma (OSCC) arising in the gingivobuccal complex (GBC). We find that the genomic and transcriptomic profiles of leukoplakia resemble those observed in later stages of OSCC and that several changes are associated with this progression, including amplification of 8q24.3, deletion of 8p23.2, and dysregulation of DERL3, EIF5A2, ECT2, HOXC9, HOXC13, MAL, MFAP5 and NELL2. Comparing copy number profiles of primary tumors with and without lymph-node metastasis, we identify alterations associated with metastasis, including amplifications of 3p26...
April 20, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28433794/detection-of-melanoma-metastases-with-pet-comparison-of-18-f-5-fpn-with-18-f-fdg
#4
Yichun Wang, Mengting Li, Yingying Zhang, Fengzhen Zhang, Chunbao Liu, Yiling Song, Yongxue Zhang, Xiaoli Lan
INTRODUCTION: (18)F-5-fluoro-N-(2-(Diethylamino)ethyl)picolinamide ((18)F-5-FPN) is a new positron-emission tomography (PET) radiopharmaceutical with potential for the detection of lymph node (LN) and pulmonary metastatic lesions of melanoma. We compared its performance with that of (18)F-deoxyglucose ((18)F-FDG). METHODS: Cervical LN and lung melanoma metastasis models were established in C57BL/6 mice. Primary tumors were created by injection of melanoma cells into the pinna, and the resulting cervical LN metastases were evaluated...
April 7, 2017: Nuclear Medicine and Biology
https://www.readbyqxmd.com/read/28433495/lymph-node-ratio-as-a-prognostic-factor-in-gastric-cancer-patients-following-d1-resection-comparison-with-the-current-tnm-staging-system
#5
K Bouliaris, G Rachiotis, A Diamantis, G Christodoulidis, E Polychronopoulou, K Tepetes
INTRODUCTION: Nodal ratio (NR) has been demonstrated to be an independent prognostic factor in patients with gastric cancer. We evaluated the prognostic role of NR comparing it with the current TNM (2010) classification in gastric cancer patients treated with curative (R0) D1 resection. MATERIALS AND METHODS: We retrospectively reviewed 110 patients who underwent R0 resection for gastric cancer at University Hospital of Larissa between 2002 and 2011. All patients had a D1 lymphadenectomy plus the nodes along the left gastric artery...
March 27, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28433429/immunological-function-of-langerhans-cells-in-hiv-infection
#6
Takamitsu Matsuzawa, Youichi Ogawa, Kohji Moriishi, Shinji Shimada, Tatsuyoshi Kawamura
BACKGROUND: Langerhans cells (LCs) are one of the initial target cells for HIV following sexual exposure and they are productively infected by HIV. HIV-infected LCs migrate to the draining lymph nodes (dLNs) and transmit the virus to CD4(+) T cells, leading to the dissemination of HIV. In contrast with the role of LCs in initial HIV acquisition, little is known about the modulation of immune responses by HIV-infected LCs. OBJECTIVE: We aimed to elucidate the induction of HIV-specific CD8(+) T cells and regulatory T cells (Tregs), both of which play important roles in regulating the progression of HIV infection...
April 9, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28433254/does-adjuvant-therapy-improve-overall-survival-for-stage-ia-b-pancreatic-adenocarcinoma
#7
Katherine T Ostapoff, Emmanuel Gabriel, Kristopher Attwood, Boris W Kuvshinoff, Steven J Nurkin, Steven N Hochwald
BACKGROUND: Current guidelines recommend adjuvant chemotherapy for resected pancreatic adenocarcinoma (PDAC). However, no studies have addressed its survival benefit for stage I patients as they comprise <10% of PDAC. METHODS: Using the NCDB 2006-2012, resected PDAC patients with stage I disease who received adjuvant therapy (chemotherapy or chemoradiation) were analyzed. Factors associated with overall survival (OS) were identified. RESULTS: 3909 patients with resected stage IA or IB PDAC were identified...
April 19, 2017: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/28432899/serum-micrornas-related-with-chemoradiotherapy-resistance-in-advanced-stage-cervical-squamous-cell-carcinoma
#8
Ying Han, Mei Liu, Ziyi Wang, Manni Huang, Ningzhi Xu, Lingying Wu
OBJECTIVE: To investigate the serum microRNAs as biomarkers in predicting chemoradiotherapy resistance in advanced-stage cervical squamous cell carcinoma (ACSCC) patients. METHODS: Serum samples were collected from International Federation of Gynecology and Obstetrics (FIGO) stage IIB to IIIB cervical squamous cell carcinoma patients treated with platinum based Concomitant Chemoradiotherapy (CCRT) in our hospital during September 2013 to November 2015. Twenty well-matched samples (10 resistant and 10 sensitive) were chosen to screen the miRNA expression profile using serum samples pooled with microarrays...
April 19, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28432872/human-effector-memory-t-helper-cells-engage-with-mouse-macrophages-and-cause-graft-versus-host-like-pathology-in-skin-of-humanized-mice-used-in-a-nonclinical-immunization-study
#9
Bala S Sundarasetty, Valery Volk, Sebastian J Theobald, Susanne Rittinghausen, Dirk Schaudien, Vanessa Neuhaus, Constanca Figueiredo, Andreas Schneider, Laura Gerasch, Adele Mucci, Thomas Moritz, Constantin von Kaisenberg, Loukia M Spineli, Katherina Sewald, Armin Braun, Henning Weigt, Arnold Ganser, Renata Stripecke
Humanized mice engrafted with human hematopoietic stem cells and developing functional human T-cell adaptive responses are in critical demand to test human-specific therapeutics. We previously showed that humanized mice immunized with long-lived induced-dendritic cells loaded with the pp65 viral antigen (iDCpp65) exhibited a faster development and maturation of T cells. Herein, we evaluated these effects in a long-term (36 weeks) nonclinical model using two stem cell donors to assess efficacy and safety. Relative to baseline, iDCpp65 immunization boosted the output of effector memory CD4(+) T cells in peripheral blood and lymph nodes...
April 19, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28432678/anal-metastasis-of-rectal-cancer-adenocarcinoma-of-squamous-cells-a-case-report-and-literature-review
#10
Shun Sasaki, Masahiko Sugiyama, Yu Nakaji, Ryota Nakanishi, Yuichiro Nakashima, Hiroshi Saeki, Eiji Oki, Yoshinao Oda, Yoshihiko Maehara
Anal metastasis of colorectal cancer is very rare and is usually associated with a history of anal disease, including anal fistula, fissure, hemorrhoidectomy, and anastomotic injury. We report a case of rectal cancer with a synchronous anal metastasis consisting of adenocarcinoma of squamous cells without a history of anal disease. A 60-year-old woman had a chief complaint of melena. She had a 1.5-cm anal tumor on the perianal skin, and a Bollman type 2 rectal tumor on the Ra portion was found on colonoscopy...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28432576/clinical-benefit-of-neoadjuvant-chemoradiotherapy-for-the-avoidance-of-pneumonectomy-assessment-in-12-consecutive-centrally-located-non-small-cell-lung-cancers
#11
Keizo Misumi, Hiroaki Harada, Norifumi Tsubokawa, Yasuhiro Tsutani, Kotaro Matsumoto, Yoshihiro Miyata, Yoshinori Yamashita, Morihito Okada
BACKGROUND: Considering that pneumonectomy itself is a disease, avoidance of pneumonectomy needs to be deliberated. Herein, we evaluated the role of neoadjuvant chemoradiotherapy for avoidance of pneumonectomy in patients with centrally located locally advanced non-small cell lung cancer. METHODS: Patients who underwent neoadjuvant chemoradiotherapy after being judged to require pneumonectomy by cancer board between 1997 and 2011 were retrospectively evaluated. RESULTS: Twelve patients, including 10 males and 2 females with median age 63...
April 21, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28432572/micropapillary-bladder-cancer-a-clinico-pathological-characterization-and-treatment-analysis
#12
Z Li, H Liao, Z Tan, D Mao, Y Wu, Y M Xiao, S K Yang, L Zhong
PURPOSE: Micropapillary bladder cancer (MPBC) is a very rare and aggressive variant of urothelial carcinoma (UC). The aim of this study was to investigate the clinico-pathological characteristics, treatment, and prognosis of MPBC to improve the understanding of this invasive disease. METHODS: We reviewed the records of 6 patients with MPBC who were evaluated and treated at our hospital between 2009 and 2015, and additionally reviewed 38 cases reported in the literature...
April 21, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28432481/the-pretreatment-neutrophil-to-lymphocyte-ratio-is-a-prognostic-determinant-of-t3-4-hypopharyngeal-squamous-cell-carcinoma
#13
Wu-Chia Lo, Chen-Tu Wu, Cheng-Ping Wang, Tsung-Lin Yang, Pei-Jen Lou, Jeng-Yuh Ko, Yih-Leong Chang
OBJECTIVE: This study aimed to investigate the clinicopathological factors that influence recurrence and survival in patients who undergo operations for T3-4 hypopharyngeal squamous cell carcinomas (SCCs). MATERIALS AND METHODS: One hundred and five patients who underwent surgery between 2001 and 2008 for advanced hypopharyngeal SCCs were consecutively enrolled and reviewed. RESULTS: The pretreatment neutrophil-to-lymphocyte ratio (NLR; median 3...
April 21, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28432480/predictive-value-of-18-f-fdg-pet-ct-for-axillary-lymph-node-metastasis-in-invasive-ductal-breast-cancer
#14
Bong-Il Song, Hae Won Kim, Kyoung Sook Won
BACKGROUND: This study assessed whether primary tumor maximum standardized uptake value (pSUVmax) measured by (18)F-fluoro-2-deoxy-D-glucose ((18)F-FDG) positron emission tomography/computed tomography (PET/CT) could improve the prediction of axillary lymph node (ALN) metastasis in invasive ductal breast cancer (IDC). METHODS: In this study, 128 IDC patients who underwent pretreatment (18)F-FDG PET/CT and surgical resection of primary tumor with sentinel lymph node biopsy, ALN dissection, or both were analyzed...
April 21, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28432399/-when-is-surgical-resection-of-metastases-in-testicular-germ-cell-tumors-indicated-and-is-there-a-scientific-basis
#15
A Heidenreich, P Paffenholz, F Haidl, D Pfister
Surgical resection of metastases represents an integral part of curative management in patients with testicular germ cell tumors (GCT). Primary nerve-sparing retroperitoneal lymph node dissection (nsRPLND) for low volume metastases in clinical stages I-IIB has to be differentiated from the more complex and more extensive postchemotherapeutic procedures. In Europe, primary nerve-sparing retroperitoneal lymph node dissection (nsRPLND) for clinical stage I nonseminomatous GCT (NSGCT) plays a subordinate. In clinical stage IIA/B, nsRPLND is indicated for patients with marker-negative metastases in whom cure rates of about 65% can be achieved with surgery alone...
April 21, 2017: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/28432391/patterns-and-outcomes-of-recurrent-esophageal-cancer-after-curative-esophagectomy
#16
Kotaro Yamashita, Masayuki Watanabe, Shinji Mine, Takanori Kurogochi, Akihiko Okamura, Masaru Hayami, Yu Imamura
BACKGROUND: The recurrence patterns and therapeutic outcomes of patients with recurrent esophageal cancer after curative esophagectomy are not fully understood. METHODS: Data on recurrence patterns and sites of recurrence in patients with recurrent esophageal cancer after curative esophagectomy from 2005 to 2015 were retrospectively analyzed. Time to recurrence after curative esophagectomy and survival after recurrence were compared among groups stratified by recurrence pattern and site...
April 21, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28432273/mir-509-3-5p-inhibits-the-invasion-and-lymphatic-metastasis-by-targeting-podxl-and-serves-as-a-novel-prognostic-indicator-for-gastric-cancer
#17
Jing Zhang, Zhonglin Zhu, Jinxin Sheng, Zhilong Yu, Bin Yao, Kejian Huang, Lisheng Zhou, Zhengjun Qiu, Chen Huang
BACKGROUND: Our study aimed to investigate the clinicopathological feature and prognostic role of miR-509-3-5P in gastric cancer, to determine the invasive and metastatic role of miR-509-3-5P in vitro and in vivo and to explore the molecular mechanism between miR-509-3-5P and PODXL. RESULTS: Strikingly lower miR-509-3-5P expression was detected in gastric cancer tissues with advanced tumor stage, poor differentiation and advanced pT stage, and was regarded as an independent prognostic role for poor prognosis...
April 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28432268/clinical-outcomes-after-delayed-thyroid-surgery-in-patients-with-papillary-thyroid-microcarcinoma
#18
Min Ji Jeon, Won Gu Kim, Hyemi Kwon, Mijin Kim, Suyeon Park, Hye-Seon Oh, Minkyu Han, Tae-Yon Sung, Ki-Wook Chung, Suck Joon Hong, Tae Yong Kim, Young-Kee Shong, Won Bae Kim
OBJECTIVE: Active surveillance is an option for patients with papillary thyroid microcarcinoma (PTMC). However, the long-term clinical outcomes after delayed surgery remain unclear. We compared the long-term clinical outcomes of PTMC patients according to the time interval between initial diagnosis and surgery. DESIGN & METHODS: In this individual risk factor-matched cohort study, PTMC patients were classified into three groups according to the delay period: ≤ 6 months, 6-12 months, and > 12 months...
April 21, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28432149/cd73-on-t-cells-orchestrates-cardiac-wound-healing-after-myocardial-infarction-by-purinergic-metabolic-reprogramming
#19
Nadine Borg, Christina Alter, Nicole Görldt, Christoph Jacoby, Zhaoping Ding, Bodo Steckel, Christine Quast, Florian Bönner, Daniela Friebe, Sebastian Temme, Ulrich Flögel, Jürgen Schrader
Background -T-cells are required for proper healing after myocardial infarction. The mechanism of their beneficial action, however, is unknown. The pro-inflammatory "danger signal" adenosine triphosphate (ATP), released from damaged cells, is degraded by the ectonucleotidases CD39 and CD73 to the anti-inflammatory mediator adenosine. Here, we investigate the contribution of CD73-derived adenosine produced by T-cells to cardiac remodeling after ischemia/reperfusion and define its mechanism of action. Methods -Myocardial ischemia (50 min /reperfusion) was induced in global CD73(-/-) and CD4-CD73(-/-) mice...
April 21, 2017: Circulation
https://www.readbyqxmd.com/read/28431722/rosai-dorfman-disease-of-right-atrium-mimicking-myxoma
#20
Surendra Nath Khanna, Krishna Subramony Iyer, Mathews Paul, S Radhakrishnan, Arun K Rathi
Rosai-Dorfman disease, or sinus histiocytosis with massive lymphadenopathy, is a rare multisystemic disorder that was first reported by Rosai and Dorfman in 1969. It is a distinct histioproliferative disorder due to overproduction of histiocytes, which accumulate in lymph nodes. The cardiac involvement of this disease is extremely rare, and until now, only 18 cases have been reported. We report the case of a 53-year-old woman with right atrial mass mimicking myxoma, which the histopathologic evaluation revealed to be Rosai-Dorfman disease of the right atrium...
May 2017: Annals of Thoracic Surgery
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