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https://www.readbyqxmd.com/read/30114316/mr-lymphography-in-patients-with-upper-limb-lymphedema-the-gps-for-feasibility-and-surgical-planning-for-lympho-venous-bypass
#1
Assaf A Zeltzer, Carola Brussaard, Merel Koning, Randy De Baerdemaeker, Benoit Hendrickx, Moustapha Hamdi, Johan de Mey
BACKGROUND AND OBJECTIVES: Lymphedema is caused by insufficient lymphatic drainage leading to abnormal accumulation of interstitial fluid within soft tissues. Lympho-venous anastomosis (LVA), as a surgical option for selected patients, is widely applied. Through preoperative localization of functional lymphatics with indocyanine green, real time visualization of functioning lymphatic vessels is possible. This examination is time consuming and operator dependant and is not suitable to differentiate the ratio of fat hypertrophy to liquid edema...
August 16, 2018: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/30106414/impact-of-cyclooxygenase-2-over-expression-on-the-prognosis-of-colorectal-cancer-patients-an-experience-from-western-saudi-arabia
#2
Abdulkader M Albasri, Mohammed A Elkablawy, Akbar S Hussainy, Hala M Yousif, Ahmed S Alhujaily
OBJECTIVES: To evaluate cyclooxygenase-2 (COX-2) over-expression in colorectal cancer (CRC) and its role in carcinogenesis and prognosis. METHODS: It was a retrospective study. Archival samples were obtained from Pathology Department at King Fahad Hospital, Madinah, Saudi Arabia, over 11 years' period (January 2006 to December 2017). Samples were analyzed using immunohistochemistry for COX-2 and Ki67 over-expression in 324 CRC patients, 40 cases of colorectal adenomas and 20 cases of normal colonic mucosa...
August 2018: Saudi Medical Journal
https://www.readbyqxmd.com/read/30101153/um171-enhances-lentiviral-gene-transfer-and-recovery-of-primitive-human-hematopoietic-cells
#3
Mor Ngom, Suzan Imren, Tobias Maetzig, Jennifer E Adair, David J H F Knapp, Jalila Chagraoui, Iman Fares, Marie-Eve Bordeleau, Guy Sauvageau, Philippe Leboulch, Connie Eaves, Richard Keith Humphries
Enhanced gene transfer efficiencies and higher yields of transplantable transduced human hematopoietic stem cells are continuing goals for improving clinical protocols that use stemcell-based gene therapies. Here, we examined the effect of the HSC agonist UM171 on these endpoints in both in vitro and in vivo systems. Using a 22-hr transduction protocol, we found that UM171 significantly enhances both the lentivirus-mediated transduction and yield of CD34+ and CD34+ CD45RA- hematopoietic cells from human cord blood to give a 6-fold overall higher recovery of transduced hematopoietic stem cells, including cells with long-term lympho-myeloid repopulating activity in immunodeficient mice...
September 21, 2018: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/30100994/risk-factors-for-loco-regional-recurrence-in-breast-cancer-patients-a-retrospective-study
#4
Tomás Merino, Teresa Ip, Francisco Domínguez, Francisco Acevedo, Lidia Medina, Alejandra Villaroel, Mauricio Camus, Eugenio Vinés, César Sánchez
Background: Although fairly uncommon, loco-regional recurrence in breast cancer (BC) has major consequences for the patient. Several predictors for locoregional have been previously reported from large randomized clinical trials mainly from Europe & North America; data from other geographical areas are somewhat scarce. Here we performed a retrospective review of medical records in a single academic center in Chile, searching for predictors of breast tumor recurrence. Results: Median patient follow up was 61 months, 5 year overall survival (OS) rate was 94...
July 13, 2018: Oncotarget
https://www.readbyqxmd.com/read/30066092/novel-lymphatic-imaging-and-percutaneous-treatment-of-chyluria
#5
Alexey Gurevich, Gregory J Nadolski, Maxim Itkin
Chyluria is characterized by the presence of chyle in the urine and often presents clinically as urinary obstruction. Traditional treatments include dietary modifications, surgery and sclerotherapy. The recently developed intranodal lymphangiography and dynamic contrast-enhanced MR lymphangiography (DCMRL) provide better imaging of the lymphatic system. Interstitial lymphatic embolization is a new interventional technique that allows delivery of n-butyl cyanoacrylate glue into the network of the lymphatic vessels...
July 31, 2018: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/30042872/hepato-splenic-axis-hepatic-and-splenic-metabolic-activities-are-linked
#6
Georgia Keramida, Alexander Dunford, Guven Kaya, Constantinos D Anagnostopoulos, Adrien Michael Peters
The concept of a hepato-splenic axis has recently been put forward. We aimed to investigate whether hepatic and splenic metabolic activities are linked, and if splenic metabolic activity is increased in non-alcoholic fatty liver disease (NAFLD). Blood clearance rates of phosphorylated 18 F-fluorodeoxyglucose were measured in the spleen and liver from dynamic PET using Gjedde-Patlak-Rutland graphical analysis and abdominal aorta for input function in 59 patients undergoing routine PET/CT. Plot gradient (Ki), which represents blood clearance, was divided by intercept (V(0)), which represents tissue FDG distribution volume, and multiplied by blood glucose to give glucose uptake rate per unit tracer distribution volume (MRglu)...
2018: American Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/30032791/inflammatory-breast-cancer-and-chest-wall-disease-the-oncologist-perspective
#7
REVIEW
Giuseppe Curigliano
Chest wall inflammatory and lymphangitic breast cancer represents a clinical spectrum and a model disease. Inflammation and the immune response have a role in the natural history of this special clinical presentation. Preclinical models and biomarker studies suggest that inflammatory breast cancer comprises a more important role for the tumour microenvironment, including immune cell infiltration and vasculogenesis, especially lympho-angiogenesis. Across this clinical continuum of the chest wall disease there is an important role of the inflammation cascade...
August 2018: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/30029688/fatal-infection-with-emerging-apicomplexan-parasite-hepatozoon-silvestris-in-a-domestic-cat
#8
Kristel Kegler, Ursina Nufer, Amer Alic, Horst Posthaus, Philipp Olias, Walter Basso
BACKGROUND: Hepatozoon silvestris is an emerging apicomplexan parasite discovered in European wild cats from Bosnia and Herzegovina and blood samples of a domestic cat from Southern Italy in 2017. It has also been identified in Ixodes ricinus collected from a domestic cat in Wales, UK, in 2018. The clinical relevance, pathogenesis and epidemiology of this novel Hepatozoon species are not yet understood. Thus, the objective of this paper was to report and describe the first fatal case of an H...
July 20, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/30017565/homologous-lympho-epithelial-kazal-type-inhibitor-domains-delay-blood-coagulation-by-inhibiting-factor-x-and-xi-with-differential-specificity
#9
Karthik Ramesh, Dilraj Lama, Kang Wei Tan, Van Sang Nguyen, Fook Tim Chew, Chandra S Verma, Yu Keung Mok
Despite being initially identified in the blood filtrate, LEKTI is a 15-domain Kazal-type inhibitor mostly known in the regulation of skin desquamation. In the current study, screening of serine proteases in blood coagulation cascade showed that LEKTI domain 4 has inhibitory activity toward only FXIa, whereas LEKTI domain 6 inhibits both FXIa and FXaB (bovine FXa). Nuclear magnetic resonance structural and dynamic experiments plus molecular dynamics simulation revealed that LEKTI domain 4 has enhanced backbone flexibility at the reactive-site loop...
June 13, 2018: Structure
https://www.readbyqxmd.com/read/30012334/gastrointestinal-and-extra-intestinal-manifestations-of-immunoglobulin-g4-related-disease
#10
REVIEW
Katsuyuki Miyabe, Yoh Zen, Lynn D Cornell, Govindarajan Rajagopalan, Vaidehi R Chowdhary, Lewis R Roberts, Suresh T Chari
Immunoglobulin G4-related disease (IgG4-RD) is a chronic relapsing multi-organ fibro-inflammatory syndrome of presumed autoimmune etiology. It is characterized by increased serum levels of IgG subclass 4 (IgG4) and tissue infiltration by IgG4+ cells. Increased titers of autoantibodies against a spectrum of self-antigens and response to steroids have led to its characterization as an autoimmune disease. However, the pathognomonic antigens probably differ among manifestations, and different antigens or autoantibodies produce similar immune reactions in different organs...
July 13, 2018: Gastroenterology
https://www.readbyqxmd.com/read/29972776/migratory-dendritic-cells-group-1-innate-lymphoid-cells-and-inflammatory-monocytes-collaborate-to-recruit-nk-cells-to-the-virus-infected-lymph-node
#11
Eric Wong, Ren-Huan Xu, Daniel Rubio, Avital Lev, Colby Stotesbury, Min Fang, Luis J Sigal
Circulating natural killer (NK) cells help protect the host from lympho-hematogenous acute viral diseases by rapidly entering draining lymph nodes (dLNs) to curb virus dissemination. Here, we identify a highly choreographed mechanism underlying this process. Using footpad infection with ectromelia virus, a pathogenic DNA virus of mice, we show that TLR9/MyD88 sensing induces NKG2D ligands in virus-infected, skin-derived migratory dendritic cells (mDCs) to induce production of IFN-γ by classical NK cells and other types of group 1 innate lymphoid cells (ILCs) already in dLNs, via NKG2D...
July 3, 2018: Cell Reports
https://www.readbyqxmd.com/read/29958811/long-term-outcomes-of-patients-with-intraductal-growth-sub-type-of-intrahepatic-cholangiocarcinoma
#12
Fabio Bagante, Matthew Weiss, Sorin Alexandrescu, Hugo P Marques, Luca Aldrighetti, Shishir K Maithel, Carlo Pulitano, Todd W Bauer, Feng Shen, George A Poultsides, Olivier Soubrane, Guillaume Martel, Bas G Koerkamp, Alfredo Guglielmi, Endo Itaru, Timothy M Pawlik
BACKGROUND: Intraductal-growth (IG) type of intrahepatic cholangiocarcinoma (ICC) may be associated with a favorable prognosis compared with mass-forming (MF) and periductal-infiltrating (PI) ICC. METHODS: The clinico-pathological characteristics and long-term outcomes of 1206 patients undergoing liver resection for ICC were compared based on the ICC morphological classification. RESULTS: Compared with MF patients, IG patients had a higher incidence of poor/un-differentiated tumor, lympho-vascular, and perineural invasion (poor/un-differentiated: MF, 18% vs...
June 26, 2018: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/29938631/-surgical-treatment-for-lymphoedema
#13
Rikke Falsig Vestergaard, Alexander Andersen Juhl, Tine Engberg Damsgaard
Lymphoedema is a frequent condition after surgical treatment for breast cancer. Lymphoedema causes great discomfort for the patients and is primarily treated conservatively with compression garments and physical therapy. Recently, surgical interventions have gained popularity in the form of lympho-lymphatic anastomoses, lympho-venous anastomoses and autologous lymph node transplantation, either as stand-alone treatment or in combination with secondary breast reconstruction. In Denmark, lympho-venous anastomoses is currently the primary surgical treatment for lymphoedema...
June 18, 2018: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/29926005/analysis-of-all-34-exons-of-the-spink5-gene-in-japanese-atopic-dermatitis-patients
#14
Shin Morizane, Mamoru Ouchida, Ko Sunagawa, Saeko Sugimoto, Mina Kobashi, Satoru Sugihara, Hayato Nomura, Kazuhide Tsuji, Atsushi Sato, Yoshihiro Miura, Hiroaki Hattori, Kotaro Tada, Wook-Kang Huh, Akemi Seno, Keiji Iwatsuki
Lympho-epithelial Kazal-type-related inhibitor (LEKTI) is a large multidomain serine protease inhibitor that is expressed in epidermal keratinocytes. Nonsense mutations of the SPINK5 gene, which codes for LEKTI, cause Netherton syndrome, which is characterized by hair abnormality, ichthyosis, and atopy. A single nucleotide polymorphism (SNP) of SPINK5, p.K420E, is reported to be associated with the pathogenesis of atopic dermatitis (AD). We studied all 34 exons of the SPINK5 gene in Japanese 57 AD patients and 50 normal healthy controls...
June 2018: Acta Medica Okayama
https://www.readbyqxmd.com/read/29898394/variable-satb1-levels-regulate-hematopoietic-stem-cell-heterogeneity-with-distinct-lineage-fate
#15
Yukiko Doi, Takafumi Yokota, Yusuke Satoh, Daisuke Okuzaki, Masahiro Tokunaga, Tomohiko Ishibashi, Takao Sudo, Tomoaki Ueda, Yasuhiro Shingai, Michiko Ichii, Akira Tanimura, Sachiko Ezoe, Hirohiko Shibayama, Terumi Kohwi-Shigematsu, Junji Takeda, Kenji Oritani, Yuzuru Kanakura
Hematopoietic stem cells (HSCs) comprise a heterogeneous population exhibiting self-renewal and differentiation capabilities; however, the mechanisms involved in maintaining this heterogeneity remain unclear. Here, we show that SATB1 is involved in regulating HSC heterogeneity. Results in conditional Satb1-knockout mice revealed that SATB1 was important for the self-renewal and lymphopoiesis of adult HSCs. Additionally, HSCs from Satb1/Tomato-knockin reporter mice were classified based on SATB1/Tomato intensity, with transplantation experiments revealing stronger differentiation toward the lymphocytic lineage along with high SATB1 levels, whereas SATB1- HSCs followed the myeloid lineage in agreement with genome-wide transcription and cell culture studies...
June 12, 2018: Cell Reports
https://www.readbyqxmd.com/read/29882997/clinical-relevance-of-pd-l1-expression-in-gallbladder-cancer-a-potential-target-for-therapy
#16
Azfar Neyaz, Nuzhat Husain, Swati Kumari, Sameer Gupta, Saumya Shukla, Sanya Arshad, Nidhi Anand, Arun Chaturvedi
AIMS: Programmed death-ligand 1 (PD-L1), a potential target for immune checkpoint inhibitors in various solid neoplasms, has been studied in very few cases of Gall Bladder Carcinoma (GBC). The current study aimed to evaluate PD-L1 expression at primary and metastatic sites of GBC, and its associations with standard prognostic clinicopathological parameters, as well as with overall survival. METHODS AND RESULTS: One hundred and seventy-four cases of GBC were evaluated for PD-L1 expression by the use of the SP263 clone in tissue microarrays...
June 8, 2018: Histopathology
https://www.readbyqxmd.com/read/29879212/correction-exposure-to-1-8-ghz-electromagnetic-fields-affects-morphology-dna-related-raman-spectra-and-mitochondrial-functions-in-human-lympho-monocytes
#17
M Lasalvia, R Scrima, G Perna, C Piccoli, N Capitanio, P F Biagi, L Schiavulli, T Ligonzo, M Centra, G Casamassima, A Ermini, V Capozzi
[This corrects the article DOI: 10.1371/journal.pone.0192894.].
2018: PloS One
https://www.readbyqxmd.com/read/29860024/long-term-survival-after-liver-metastasectomy-in-gastric-cancer-systematic-review-and-meta-analysis-of-prognostic-factors
#18
REVIEW
Francesco Montagnani, Francesca Crivelli, Giuseppe Aprile, Caterina Vivaldi, Irene Pecora, Rocco De Vivo, Mario Alberto Clerico, Lorenzo Fornaro
BACKGROUND: Despite the amelioration of systemic therapy, overall survival (OS) of metastatic gastric cancer (GC) patients remains poor. Liver is a common metastatic site and retrospective series suggest a potential OS benefit from hepatectomy, with interesting 5-year (5 y) and 10-year (10 y) OS rates in selected patients. We aim to evaluate the impact of liver resection and related prognostic factors on long-term outcome in this setting. METHODS: We searched Pubmed, EMBASE, and Abstracts/posters from international meetings since 1990...
May 17, 2018: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/29858743/roles-of-prostaglandins-in-tumor-associated-lymphangiogenesis-with-special-reference-to-breast-cancer
#19
Peeyush K Lala, Pinki Nandi, Mousumi Majumder
Lymphangiogenesis (formation of new lymphatic vessels), unlike angiogenesis, has been a lesser-focused field in cancer biology, because of earlier controversy regarding whether lymphatic metastasis occurs via pre-existing or newly formed lymphatics. Recent evidence reveals that peri-tumoral or intra-tumoral lymphangiogenesis is a precursor for lymphatic metastasis in most carcinomas and melanomas. Two major lymphangiogenic factors, vascular endothelial growth factor (VEGF)-C and VEGF-D, are produced by cancer cells or immune cells such as macrophages in the tumor-stroma to promote sprouting of lymphatics from lymphatic endothelial cells (LEC) or LEC precursors (LECP) by binding to their primary (high affinity) receptor VEGF-R3 or secondary receptors VEGF-R2, neuropilin (NRP)2 and α9/β1 integrin...
June 1, 2018: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/29796854/breast-cancer-metastasis-through-the-lympho-vascular-system
#20
S David Nathanson, David Krag, Henry M Kuerer, Lisa A Newman, Markus Brown, Dontscho Kerjaschki, Ethel R Pereira, Timothy P Padera
Breast cancer metastasizes through the lymphovascular system to the regional lymph nodes in the axilla and to both visceral and non-visceral sites. Renewed interest in the route by which tumor cells gain access to blood and lymphatic capillaries are the subject of research at mechanical, anatomic, pathologic, genetic, epidemiologic and molecular levels. Two papers presented at the 7th International Symposium on Cancer Metastasis in San Francisco showed tumor cells entering the systemic circulation through the sentinel lymph node...
May 23, 2018: Clinical & Experimental Metastasis
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