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https://www.readbyqxmd.com/read/29437578/tissue-factor-an-essential-mediator-of-hemostasis-and-trigger-of-thrombosis
#1
REVIEW
Steven P Grover, Nigel Mackman
Tissue factor (TF) is the high-affinity receptor and cofactor for FVII/VIIa. The TF-FVIIa complex is the primary initiator of blood coagulation and plays an essential role in hemostasis. TF is expressed on perivascular and epithelial cells at organ and body surfaces where it forms a hemostatic barrier. TF also provides additional hemostatic protection to vital organs, such as the brain, lung, and heart. Under pathological conditions, TF can trigger both arterial and venous thrombosis. For instance, atherosclerosis plaques contain high levels of TF on macrophage foam cells and microvesicles that drives thrombus formation after plaque rupture...
February 8, 2018: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/29431889/coagulation-and-inflammation-in-long-term-cancer-survivors-results-from-the-adult-population
#2
Marina Panova-Noeva, Andreas Schulz, Natalie Arnold, Iris M Hermanns, Jürgen H Prochaska, Dagmar Laubert-Reh, Henri M Spronk, Maria Blettner, Manfred Beutel, Norbert Pfeiffer, Thomas Münzel, Karl J Lackner, Hugo Ten Cate, Philipp S Wild
BACKGROUND: The advancements in cancer treatment and detection of early cancer have resulted in steady increase of cancer survivors over the years. However, due to long term toxic effects of chemotherapy and radiotherapy, the incidence of cardiovascular disease (CVD) is increasing in survivors. OBJECTIVES: This study investigates traditional cardiovascular risk factors (CVRFs), inflammation and coagulation profile in long-term cancer survivors (cancer diagnosis ≥ five years) from a large adult population-based study sample...
February 12, 2018: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/29431737/a-dna-nanorobot-functions-as-a-cancer-therapeutic-in-response-to-a-molecular-trigger-in-vivo
#3
Suping Li, Qiao Jiang, Shaoli Liu, Yinlong Zhang, Yanhua Tian, Chen Song, Jing Wang, Yiguo Zou, Gregory J Anderson, Jing-Yan Han, Yung Chang, Yan Liu, Chen Zhang, Liang Chen, Guangbiao Zhou, Guangjun Nie, Hao Yan, Baoquan Ding, Yuliang Zhao
Nanoscale robots have potential as intelligent drug delivery systems that respond to molecular triggers. Using DNA origami we constructed an autonomous DNA robot programmed to transport payloads and present them specifically in tumors. Our nanorobot is functionalized on the outside with a DNA aptamer that binds nucleolin, a protein specifically expressed on tumor-associated endothelial cells, and the blood coagulation protease thrombin within its inner cavity. The nucleolin-targeting aptamer serves both as a targeting domain and as a molecular trigger for the mechanical opening of the DNA nanorobot...
February 12, 2018: Nature Biotechnology
https://www.readbyqxmd.com/read/29427323/androgen-receptor-dampens-tissue-factor-expression-via-nf-%C3%AE%C2%BAb-and-egr1
#4
Bastian Hoesel, Marion Mussbacher, Burak Dikorman, Manuel Salzmann, Alice Assinger, Lena Hell, Johannes Thaler, José Basílio, Bernhard Moser, Ulrike Resch, Hannah Paar, Nigel Mackman, Johannes A Schmid
BACKGROUND: Prostate cancer is one of the leading causes of cancer death in men. Advanced prostate cancer is usually treated by androgen deprivation therapy (ADT), which aims at diminishing circulating testosterone to reduce cancer growth. There is growing evidence that ADT can increase the rate of venous thromboembolism (VTE) in prostate cancer patients. The tissue factor (TF) gene is one of the most important mediators of coagulation and VTE, but so far there is limited data on androgen receptor (AR) mediated TF gene expression...
February 10, 2018: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/29421063/targeted-delivery-of-snx-2112-by-polysaccharide-modified-graphene-oxide-nanocomposites-for-treatment-of-lung-cancer
#5
Xuan Liu, Xiaozhen Cheng, Fengzhe Wang, Longbao Feng, Yu Wang, Yanfang Zheng, Rui Guo
Graphene oxide (GO) is a promising material for biomedical applications, particularly in drug delivery, due to its exceptional chemical and physical properties. In this work, an innovative GO-based carrier was developed by modifying GO with chitosan (CHI) to improve the biocompatibility, and followed by the conjugation of hyaluronic acid (HA), the target ligand for CD44, to realize the specific recognition of tumor cells and improve the efficiency of anti-tumor drug delivery. The resulting product GO-CHI-HA was loaded with an anti-cancer drug SNX-2112, which is the Hsp90 inhibitor...
April 1, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29419408/distinct-pathogenesis-of-pancreatic-cancer-microvesicle-associated-venous-thrombosis-identifies-new-antithrombotic-targets-in-vivo
#6
Konstantin Stark, Irene Schubert, Urjita Joshi, Badr Kilani, Parandis Hoseinpour, Manovriti Thakur, Petra Grünauer, Susanne Pfeiler, Tobias Schmidergall, Sven Stockhausen, Markus Bäumer, Sue Chandraratne, Marie-Luise von Brühl, Michael Lorenz, Raffaele Coletti, Sven Reese, Iina Laitinen, Sonja Maria Wörmann, Hana Algül, Christiane J Bruns, Jerry Ware, Nigel Mackman, Bernd Engelmann, Steffen Massberg
OBJECTIVE: Cancer patients are at high risk of developing deep venous thrombosis (DVT) and venous thromboembolism, a leading cause of mortality in this population. However, it is largely unclear how malignant tumors drive the prothrombotic cascade culminating in DVT. APPROACH AND RESULTS: Here, we addressed the pathophysiology of malignant DVT compared with nonmalignant DVT and focused on the role of tumor microvesicles as potential targets to prevent cancer-associated DVT...
February 1, 2018: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/29411223/in-vitro-screening-of-synthetic-fluorogenic-substrates-for-detection-of-cancer-procoagulant-activity
#7
Jason Krause, Carminita L Frost
Cancer procoagulant (CP), a direct activator of coagulation factor X, is among one of the tumour cell products or activities which may promote fibrin formation and has been suggested to be selectively associated with the malignant phenotype. At present, the most reliable assay for the quantification of CP activity is the three-stage chromogenic assay which utilises the ability of CP to activate factor X. In this assay, the activation of factor X leads to the formation of activated thrombin from prothrombin and the eventual hydrolyses of a thrombin chromogenic substrate which contains a p-nitroaniline leaving group...
February 6, 2018: Protein Journal
https://www.readbyqxmd.com/read/29407633/the-lectin-pathway-and-coagulation-in-lung-cancer-patients-undergoing-lobectomy-a-randomised-controlled-trial
#8
Julie Brogaard Larsen, Anne Troldborg, Thomas Decker Christensen, Christine Lodberg Hvas, Steffen Thiel, Anne-Mette Hvas
BACKGROUND: Lectin pathway proteases activate coagulation and may theoretically play a role in the increased thrombosis risk in cancer, which is especially high during surgery. AIMS: To investigate lectin pathway proteins during lung cancer surgery, the influence of low molecular weight heparin (LMWH) on lectin pathway proteins, and correlations between lectin pathway proteins and coagulation. METHODS: Fifty lung cancer patients undergoing video-assisted thoracoscopic surgery lobectomy were randomised to LMWH, n = 26, or no anticoagulant (control), n = 24...
January 30, 2018: Thrombosis Research
https://www.readbyqxmd.com/read/29406998/prophylactic-use-of-colchicine-in-preventing-radiation-induced-coronary-artery-disease
#9
T O'Herron, J Lafferty
Radiation therapy is one of the primary treatments in fighting breast cancer, one of the most common cancers in the US. One of the dose limiting factors of this therapy is radiation induced heart damage that results from mediastinal radiation. Recently statins, a medication typically used to lower cholesterol levels, have been suggested as a prophylactic treatment to potentially mitigate this process. Similarly, we hypothesized whether colchicine, an anti-inflammatory medication that is presently used in the treatment of gout and pericarditis, might be used to prevent coronary artery disease induced by radiation therapy...
February 2018: Medical Hypotheses
https://www.readbyqxmd.com/read/29404876/thrombosis-in-philadelphia-negative-classical-myeloproliferative-neoplasms-a-narrative-review-on-epidemiology-risk-assessment-and-pathophysiologic-mechanisms
#10
REVIEW
Somedeb Ball, Kyaw Zin Thein, Abhishek Maiti, Kenneth Nugent
Thrombosis is common in cancer patients and is associated with increased morbidity and mortality. Myeloproliferative neoplasms (MPN) are common malignancies in elderly individuals and are known for a high incidence of thrombotic complications. Different risk factors have been identified in studies, and risk models have been developed to identify patients with MPN at higher risk for thrombosis. Several pathophysiological mechanisms help explain the increased likelihood of thrombosis in these patients. Factors, such as leukocyte and platelet activation leading to the formation of leukocyte-platelet aggregates, activation of the coagulation cascade by microparticles, high levels of inflammatory cytokines, and endothelial dysfunction have a crucial role in thrombosis in MPN patients...
February 6, 2018: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/29399826/photodynamic-therapy-via-navigational-bronchoscopy-for-peripheral-lung-cancer-in-dogs
#11
Ali I Musani, Julia K Veir, Zheng Huang, Tim Lei, Steve Groshong, Deanna Worley
OBJECTIVE: In the setting of lung cancer, photodynamic therapy (PDT) is typically used to treat centrally located endobronchial tumors. The development of navigational bronchoscopy has opened the potential for using PDT to treat peripheral lung tumors. However, there is limited information about the feasibility of this approach for treating peripheral lung cancers, and about its effects on surrounding healthy lung tissue. We studied the use of PDT delivered by electromagnetic navigational bronchoscopy to treat peripheral lung cancer in dogs...
February 5, 2018: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/29394768/-a-case-report-of-post-radiochemotherapy-perineum-abscess-concurrent-with-recurrence-of-vaginal-cancer-for-which-total-pelvic-exenteration-was-performed
#12
Hiroki Imamura, Kohei Murata, Yoshinori Kagawa, Rieko Okubo, Takuya Sakamoto, Atsushi Naito, Kohei Murakami, Yoshiteru Katsura, Yoshiaki Ohmura, Atsushi Takeno, Shinichi Nakatsuka, Kimihiko Ito, Yutaka Takeda, Takeshi Kato, Shigeyuki Tamura
We report a case of a woman who was suffering from post-radiochemotherapy perineum abscess concurrent with the recurrence of vaginal cancer for which total pelvic exenteration was performed. A 66-year-oldwoman presentedat our hospital with irregular genital bleeding in November 2014. A series of examinations showedthat she was suffering from vaginal cancer(cT2N0M0, cStage II ). A radiochemotherapy regimen(external irradiation 45 Gy/25 Fr, CDDP 40mg/m2, 5 course)was commencedin January 2015. In the meantime, MRI revealedsome therapeutic effect, but in October 2015, MRI indicated the enlargement of the primary tumor(PD)...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29394698/-a-case-of-breast-apocrine-carcinoma-in-which-eribulin-was-effective
#13
Katsunori Narahara, Tomomi Abe, Kenji Katsumata, Akihiko Tsuchida
A 79-year-old woman presented with a chief complaint of a palpated tumor on her right axilla. The right breast tumor size was 18mm and the axillary lymph node size was 30 mm, as detected with ultrasonography. Pathological findings indicated the presence of an ER(-), Pg R(-), HER2-negative apocrine carcinoma. The presence of axillary lymph node metastasis was diagnosed from the apocrine carcinoma. Eribulin(1.5mg)was administered 3 times before surgery. Tumors were significantly reduced. The Bt+Ax(Patey procedure)dissection was performed until Level 2...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29384885/recurrent-stroke-in-a-patient-of-lung-cancer-without-pulmonary-mass-a-case-report
#14
Lisha Wang, Yan Xu, Minghui Tuo, Lei Zhang, Hong Zhang, Jing Wang
RATIONALE: Repeated occurring stroke in short intervals with hypercoagulability is unusual so in such cases the conventional vascular risk factors might not be the causes of stroke. PATIENT CONCERNS: We have presented a case of 60-year-old male presenting with recurrent stroke due to thrombophilia. DIAGNOSES: Lung cancer was detected by superficial lymph nodes ultrasound and further pathological examination. INTERVENTIONS: The patient suffered a recurrent stroke and he had persistently high level of D-dimer which suggested the diagnosis of thrombophilia, thus, he was treated with low-molecular-weight heparin...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29378353/contact-system-activation-and-cancer-new-insights-in-the-pathophysiology-of-cancer-associated-thrombosis
#15
E Campello, M W Henderson, D F Noubouossie, P Simioni, N S Key
Cancer induces a systemic hypercoagulable state that elevates the baseline thrombotic risk of affected patients. This hypercoagulable state reflects a complex interplay between cancer cells and host cells and the coagulation system as part of the host response to cancer. Although the tissue factor (TF)/factor VIIa pathway is proposed to be the principal initiator of fibrin formation in cancer patients, clinical studies have not shown a consistent relationship between circulating TF levels (often measured as plasma microvesicle-associated TF) and the risk of thrombosis...
February 2018: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/29355057/comparison-of-laser-ablation-using-multidirectional-and-forward-firing-fibers-in-breast-cancer
#16
Jeeyeon Lee, Jin Hyang Jung, Wan Wook Kim, So Hyang Moon, Jae-Hwan Jeong, Ji-Young Park, Ji Yun Jeong, Ho Lee, Ik-Bu Sohn, Chang Hwan Kim, Ho Yong Park
BACKGROUND: The aim of this study was to compare the therapeutic effect of laser ablation using the forward-firing fiber and the multidirectional-firing fiber for breast cancer treatment with pathologic results. MATERIAL AND METHODS: An ex vivo study of laser ablation was conducted using normal breast and breast cancer tissue. Each ablated area was demarcated into three zones, and the temperature was measured. Laser ablations using multidirectional and forward-firing types of fiber were compared regarding the shape, diameter and aspect ratio of the ablated lesions...
January 21, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
https://www.readbyqxmd.com/read/29353682/predicting-the-risk-of-recurrent-venous-thromboembolism-in-patients-with-cancer-a-prospective-cohort-study
#17
Nick van Es, Martha Louzada, Marc Carrier, Vicky Tagalakis, Peter L Gross, Sudeep Shivakumar, Marc A Rodger, Philip S Wells
BACKGROUND: The risk of recurrent venous thromboembolism (VTE) in cancer patients despite anticoagulant therapy is high. Clinical factors and pro-coagulant markers may identify high-risk patients and guide decisions about intensifying anticoagulation therapy. AIMS: To evaluate whether serial measurements of pro-coagulant markers can identify patients at high risk of recurrent VTE. METHODS: In this multicenter, prospective cohort study, patients with active cancer and acute deep vein thrombosis or pulmonary embolism were enrolled...
January 9, 2018: Thrombosis Research
https://www.readbyqxmd.com/read/29346400/the-mechanisms-how-heparin-affects-the-tumor-cell-induced-vegf-and-chemokine-release-from-platelets-to-attenuate-the-early-metastatic-niche-formation
#18
Jan Moritz Ponert, Svenja Schwarz, Reza Haschemi, Jens Müller, Bernd Pötzsch, Gerd Bendas, Martin Schlesinger
Metastasis is responsible for the majority of cancer associated fatalities. Tumor cells leaving the primary tumor and entering the blood flow immediately interact with platelets. Activated platelets contribute in different ways to cancer cell survival and proliferation, e.g. in formation of the early metastatic niche by release of different growth factors and chemokines. Here we show that a direct interaction between platelets and MV3 melanoma or MCF7 breast cancer cells induces platelet activation and a VEGF release in citrated plasma that cannot be further elevated by the coagulation cascade and generated thrombin...
2018: PloS One
https://www.readbyqxmd.com/read/29335811/surgical-stress-response-and-promotion-of-metastasis-in-colorectal-cancer-a-complex-and-heterogeneous-process
#19
Corina Behrenbruch, Carolyn Shembrey, Sophie Paquet-Fifield, Christina Mølck, Hyun-Jung Cho, Michael Michael, Benjamin N J Thomson, Alexander G Heriot, Frédéric Hollande
Surgery remains the curative treatment modality for colorectal cancer in all stages, including stage IV with resectable liver metastasis. There is emerging evidence that the stress response caused by surgery as well as other perioperative therapies such as anesthesia and analgesia may promote growth of pre-existing micro-metastasis or potentially initiate tumor dissemination. Therapeutically targeting the perioperative period may therefore reduce the effect that surgical treatments have in promoting metastases, for example by combining β-adrenergic receptor antagonists and cyclooxygenase-2 (COX-2) inhibitors in the perioperative setting...
January 15, 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29330486/new-generation-of-drug-delivery-systems-based-on-ginsenoside-rh2-lysine-and-arginine-treated-highly-porous-graphene-for-improving-anticancer-activity
#20
Hadi Zare-Zardini, Asghar Taheri-Kafrani, Ahmad Amiri, Abdol-Khalegh Bordbar
In this study, Rh2-treated graphene oxide (GO-Rh2), lysine-treated highly porous graphene (Gr-Lys), arginine-treated Gr (Gr-Arg), Rh2-treated Gr-Lys (Gr-Lys-Rh2) and Rh2-treated Gr-Arg (Gr-Arg-Rh2) were synthesized. MTT assay was used for evaluation of cytotoxicity of samples on ovarian cancer (OVCAR3), breast cancer (MDA-MB), Human melanoma (A375) and human mesenchymal stem cells (MSCs) cell lines. The percentage of apoptotic cells was determined by terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling (TUNEL) assay...
January 12, 2018: Scientific Reports
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