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Vivek Murthy, Janna Minehart, Daniel H Sterman
Modern cancer immunotherapies represent a major shift in paradigm with respect to how we understand innate and adaptive responses to malignancy. Successful tumors co-opt normal immunosurveillance mechanisms by potent interactions between the tumor and local draining lymph nodes. Tumor cells mediate a complex and dynamic immunoediting procedure that results in increased vascular efflux into the draining lymphatics, an immunosuppressive microenvironment rich in regulatory T-lymphocytes, dysfunctional antigen presentation, and downregulation of normal effector lymphocyte responses...
December 1, 2017: Journal of the National Cancer Institute
Yuanshan Yao, Haibo Shen, Yinjie Zhou, Zhenhua Yang, Tianjun Hu
The present study investigated the expression of microRNA (miR)-215 in non-small cell lung carcinoma (NSCLC) at tissue and cellular levels, as well as its biological functions and mechanism of action. A total of 56 patients with NSCLC were included in the present study. NSCLC tissues and tumor-adjacent normal tissues were resected and collected. Reverse transcription-quantitative polymerase chain reaction was used to measure the expression of miR-215. Following transfection with miR-215 mimics, A549 cell proliferation, migration and invasion were determined using a Cell Counting Kit-8 and Transwell assay...
April 2018: Experimental and Therapeutic Medicine
Bret Taback, Priya Jadeja, Richard Ha
BACKGROUND: Recently there are efforts to use sentinel lymph node biopsy (SLNB) techniques after neoadjuvant chemotherapy (NAC) to minimize axillary surgery. However, studies have shown higher false negative rates in this scenario, which might result in inaccurate assessment of treatment response and patient prognosis as well as leaving residual disease behind. In this study, we describe the use of reflector-guided excision of the percutaneously biopsied node (PBN) as an aid to conventional SLNB and its predictor of the axillary status after NAC...
February 12, 2018: Clinical Breast Cancer
Xue Chen, Xiaohui Li, Sibo Yang, Xin Yu, Aichun Liu
Lymphoma is a significant cancer that affects the human lymphatic and hematopoietic systems. In this work, discrimination of lymphoma using laser-induced breakdown spectroscopy (LIBS) conducted on whole blood samples is presented. The whole blood samples collected from lymphoma patients and healthy controls are deposited onto standard quantitative filter papers and ablated with a 1064 nm Q-switched Nd:YAG laser. 16 atomic and ionic emission lines of calcium (Ca), iron (Fe), magnesium (Mg), potassium (K) and sodium (Na) are selected to discriminate the cancer disease...
March 1, 2018: Biomedical Optics Express
Sreedhar R Tummalapalli, Rohit Bhat, Agnieszka Chojnowski, Monika Prorok, Tamara Kreiss, Ronald Goldberg, Stacie Canan, Natalie Hawryluk, Deborah Mortensen, Vikram Khetani, Jerome Zeldis, John J Siekierka, David P Rotella
Lymphatic filariasis infects over 120 million people worldwide and can lead to significant disfigurement and disease. Resistance is emerging with current treatments, and these therapies have dose limiting adverse events; consequently new targets are needed. One approach to achieve this goal is inhibition of parasitic protein kinases involved in circumventing host defense mechanisms. This report describes structure-activity relationships leading to the identification of a potent, orally bioavailable stress activated protein kinase inhibitor that may be used to investigate this hypothesis...
March 8, 2018: ACS Medicinal Chemistry Letters
Hailong Zhang, Longzhen Cui, Wen Liu, Zhenfeng Wang, Yang Ye, Xue Li, Huijuan Wang
Introduction: Gastric cancer (GC) is a malignant tumor worldwide. As primary pathway for metastasis, the lymphatic system is an important prognostic factor for GC patients. Although the metabolic changes of gastric cancer have been investigated in extensive studies, little effort focused on the metabolic profiling of lymph node metastasis (LNM)-positive or negative GC patients. Objectives: We performed1 H NMR spectrum of GC tissue samples with and without LNM to identify novel potential metabolic biomarkers in the process of LNM of GC...
2018: Metabolomics: Official Journal of the Metabolomic Society
Eric Lin, Thong Cao, Sunitha Nagrath, Michael R King
Metastasis contributes to poor prognosis in many types of cancer and is the leading cause of cancer-related deaths. Tumor cells metastasize to distant sites via the circulatory and lymphatic systems. In this review, we discuss the potential of circulating tumor cells for diagnosis and describe the experimental therapeutics that aim to target these disseminating cancer cells. We discuss the advantages and limitations of such strategies and how they may lead to the development of the next generation of antimetastasis treatments...
March 14, 2018: Annual Review of Biomedical Engineering
Edmund Burke, Sanjeev A Datar
PURPOSE OF REVIEW: The essential role of the lymphatic system in fluid homeostasis, nutrient transport, and immune trafficking is well recognized; however, there is limited understanding of the mechanisms that regulate lymphatic function, particularly in the setting of critical illness. The lymphatics likely affect disease severity and progression in every condition, from severe systemic inflammatory states to respiratory failure. Here, we review structural and functional disorders of the lymphatic system, both congenital and acquired, as they relate to care of the pediatric patient in the intensive care setting, including novel areas of research into medical and procedural therapeutic interventions...
March 13, 2018: Current Opinion in Pediatrics
Erika Gucciardo, Sirpa Loukovaara, Ani Korhonen, Pauliina Repo, Beatriz Martins, Helena Vihinen, Eija Jokitalo, Kaisa Lehti
Proliferative diabetic retinopathy (PDR) is a major diabetic microvascular complication characterized by pathological angiogenesis. Several retinopathy animal models have been developed to study the disease mechanisms and putative targets. However, knowledge on the human proliferative disease remains incomplete, relying on steady-state results from thin histological neovascular tissue sections and vitreous samples. New translational models are thus required to comprehensively understand the disease pathophysiology and develop improved therapeutic interventions...
March 13, 2018: Journal of Pathology
Naoki Ikari, Shota Aoyama, Akiyoshi Seshimo, Yuji Suehiro, Tomoko Motohashi, Shohei Mitani, Sawako Yoshina, Etsuko Tanji, Akiko Serizawa, Takuji Yamada, Kiyoaki Taniguchi, Masakazu Yamamoto, Toru Furukawa
Background and aim: Intramucosal gastric adenocarcinoma of the well-moderately differentiated type only exhibits lymph node metastasis in extremely rare cases. We encountered such case and investigated both the lymphangiogenic properties and somatic mutations in the cancer to understand the prometastatic features of early-stage gastric cancer. Methods: We quantitatively measured the density of lymphatic vessels and identified mutations in 412 cancer-associated genes through next-generation target resequencing of DNA extracted from tumor cells in a formalin-fixed and paraffin-embedded tissue...
February 13, 2018: Oncotarget
Hiroaki Kuroda, Shnsuke Mori, Hirotaka Tanaka, Tatsuya Yoshida, Tetsuya Mizuno, Noriaki Sakakura, Yasushi Yatabe, Hiroshi Iwata, Yukinori Sakao
Background: We previously proposed measuring tumor size using mediastinal window setting on high-resolution computed tomography (CT) as a simple and useful modality for preoperative prognostication of small adenocarcinoma. Hence, the importance of tumor volume and positron emission tomography (PET) for preoperative prognostication of clinical stage IA (cIA) adenocarcinoma was studied. Materials and Methods: We retrospectively evaluated total 324 patients who underwent pulmonary resection of cIA adenocarcinoma between July 2008 and August 2015...
February 13, 2018: Oncotarget
Pooja Sadana, Rebecca Geyer, Joern Pezoldt, Saskia Helmsing, Jochen Huehn, Michael Hust, Petra Dersch, Andrea Scrima
Yersinia pseudotuberculosis is a Gram-negative bacterium and zoonotic pathogen responsible for a wide range of diseases, ranging from mild diarrhea, enterocolitis, lymphatic adenitis to persistent local inflammation. The Y. pseudotuberculosis invasin D (InvD) molecule belongs to the invasin (InvA)-type autotransporter proteins, but its structure and function remain unknown. In this study, we present the first crystal structure of InvD, analyzed its expression and function in a murine infection model, and identified its target molecule in the host...
March 13, 2018: Journal of Biological Chemistry
Steven M Dean
In the contemporary era of medical diagnosis via sophisticated radiographic imaging and/or comprehensive serological testing, a focused physical examination remains paramount in recognizing the cutaneous manifestations of chronic vascular disease. Recognition of the unique cutaneous signs of lymphatic and venous hypertension assists in the diagnosis as well as the staging and classification of both lymphedema and chronic venous insufficiency. Awareness of explicit dermatologic vasomotor manifestations aids not only in the identification of acrocyanosis, Raynaud phenomenon, pernio, and erythromelalgia but also mitigates confusion related to their clinical overlap...
March 10, 2018: Progress in Cardiovascular Diseases
H Y Deng, X R Wang, M Yue, L L Zhang, F Li, X L Wang, Y P Liu
Objective: To investigate the effect of extensive retraction clefts (RC, >20% of tumor volume) on prognosis in invasive breast carcinoma of no specific type (IBC-NST). Methods: A total of 2 184 cases of IBC-NST diagnosed at the Fourth Hospital of Hebei Medical University from January 2006 to December 2008 were collected. All the cases were diagnosed according to the latest guideline and standard. After excluding cases of shrinkage due to tissue fixation, 483 cases with RC were identified, and the clinical and pathological features were retrospectively analyzed...
March 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
W H Hou, P Wei, J L Xie, Y Y Zheng, Y L Zhang, X G Zhou
Objective: To investigate clinicopathological features and prognosis of tonsillar mantle cell lymphoma(TMCL). Methods: Clinical data of 25 patients with TMCL at Beijing Friendship Hospital, Capital Medical University from 2002 to 2016 were included. All the cases were reviewed microscopically. Various immunohistochemical stains were performed using the MaxVision two-step method. IgH/CCND1 gene fusion was detected by fluorescent in situ hybridization(FISH). Additionally, randomly selected 40 cases of non-tonsil MCL of the same period were compared...
March 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
Shinichiro Kamiya, Shingo Iwano, Hiroyasu Umakoshi, Rintaro Ito, Hironori Shimamoto, Shota Nakamura, Shinji Naganawa
Purpose To investigate the relationship between the postoperative prognosis of patients with part-solid non-small cell lung cancer and the solid component size acquired by using three-dimensional (3D) volumetry software on multidetector computed tomographic (CT) images. Materials and Methods A retrospective study by using preoperative multidetector CT data with 0.5-mm section thickness, clinical records, and pathologic reports of 96 patients with primary subsolid non-small cell lung cancer (47 men and 49 women; mean age ± standard deviation, 66 years ± 8) were reviewed...
March 14, 2018: Radiology
Alexandra Yannoutsos, Julie Malloizel-Delaunay, Emilie Tournier, Abdelaziz Abid, Alessandra Bura-Rivière
In this observation, we report an unusual presentation of a pilomatricoma in an 8-year-old girl who was initially referred to the department of vascular medicine for diagnosis and care of a suspected mixed lymphatic venous malformation. The lesion on her left shoulder presented as a giant bluish-purple red solitary mass, painful and rapidly growing, measuring 7 cm in anteroposterior diameter. This mass did not present the typical characteristics of a lymphatic venous malformation but exhibited warning signs of malignancy on clinical examination and imaging...
February 27, 2018: American Journal of Dermatopathology
S Reich-Schupke, E Mohren, M Stücker
BACKGROUND: Implementation of guideline recommendations for the diagnosis and therapy of lipedema and lymphedema seems to be problematic in daily routine. Systematic data for Germany are missing. The aim of the study was data collection regarding diagnosis and therapy of lymphologic diseases in an outpatient setting. METHODS: Monocentric, prospective survey of patients from a lymphologic outpatient clinic using a standardized questionnaire focusing on diagnostics and therapy at the initial diagnosis...
March 12, 2018: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
Yalan Xu, Lei Li
Cases of squamous cell carcinoma (SCC) arising from ovarian endometriosis have been rarely reported. Most of the patients show a poor prognosis and present with a diminished survival time. We present a SCC case arising from endometriosis, and analyzed the clinical, therapeutic, and pathologic features through a comprehensive literature review. A 43-year premenopausal woman (gravida 2, para 1) presented to our hospital due to sudden pain in lower abdomen. Exploratory laparotomy indicated rupture of left ovarian cyst and intra-abdominal hemorrhage were observed...
February 9, 2018: Current Problems in Cancer
Alison Krentel, Kaye Wellings
BACKGROUND: The Global Programme to Eliminate Lymphatic Filariasis has set 2020 as a target to eliminate lymphatic filariasis (LF) as a public health problem through mass drug administration (MDA) to all eligible people living in endemic areas. To obtain a better understanding of compliance with LF treatment, a qualitative study using 43 in-depth interviews was carried out in Alor District, Indonesia to explore factors that motivate uptake of LF treatment, including the social and behavioural differences between compliant and non-compliant individuals...
March 12, 2018: Parasites & Vectors
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