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https://www.readbyqxmd.com/read/28229987/kinetics-of-hepatitis-b-surface-antigen-level-in-chronic-hepatitis-b-patients-who-achieved-hepatitis-b-surface-antigen-loss-during-pegylated-interferon-alpha-2a-treatment
#1
Ming-Hui Li, Lu Zhang, Xiao-Jing Qu, Yao Lu, Ge Shen, Shu-Ling Wu, Min Chang, Ru-Yu Liu, Lei-Ping Hu, Zhen-Zhen Li, Wen-Hao Hua, Shu-Jing Song, Yao Xie
BACKGROUND: Hepatitis B surface antigen (HBsAg) loss/seroconversion is considered to be the ideal endpoint of antiviral therapy and the ultimate treatment goal in chronic hepatitis B (CHB). This study aimed to assess the patterns of HBsAg kinetics in CHB patients who achieved HBsAg loss during the treatment of pegylated interferon (PEG-IFN) α-2a. METHODS: A total of 150 patients were enrolled, composing of 83 hepatitis B envelope antigen (HBeAg)-positive and 67 HBeAg-negative patients...
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28228072/curcumin-and-endothelial-function-evidence-and-mechanisms-of-protective-effects
#2
Maryam Saberi Karimian, Matteo Pirro, Thomas P Johnston, Muhammed Majeed, Amirhossein Sahebkar
BACKGROUND: The endothelium is a large paracrine organ regulating cell growth, vascular tone and thrombogenicity as well as platelet and leukocyte interactions. Endothelial function can be assessed by non-invasive techniques [e.g. flow-mediated vasodilation, nitroglycerin-mediated dilation and pulse wave velocity] and measuring specific circulating biomarkers [cell adhesion molecules, endothelial microparticles and endothelial progenitor cells]. Impaired endothelial function plays a key role in the development of atherosclerosis, arterial hypertension, heart failure, ischemia-reperfusion injury, Alzheimer's disease and other conditions...
February 22, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28226413/thrombalexin-use-of-a-cytotopic-anticoagulant-to-reduce-thrombotic-microangiopathy-in-a-highly-sensitized-model-of-kidney-transplantation
#3
Miriam Manook, Jean Kwun, Christian Burghuber, Kannan Samy, Michael Mulvihill, Janghoon Yoon, He Xu, Andrea L MacDonald, Kyle Freischlag, Verna Curfman, Evelyn Branum, David Howell, Alton Brad Farris, Richard A Smith, Stephen Sacks, Anthony Dorling, Nizam Mamode, Stuart Knechtle
Early activation of coagulation is an important factor in the initiation of innate immunity, as characterized by thrombotic microangiopathy (TMA). In transplantation, systemic anti-coagulation is difficult due to bleeding. A novel 'cytotopic' agent, 'Thrombalexin', (TLN) combines a cell-membrane bound (mirystoyl tail) anti-thrombin (HLL peptide) which can be perfused directly to the donor organ or cells.. Thromboelastography (TEG) was used to measure time to clot formation (r-time) in both rhesus and human blood, comparing TLN vs...
February 22, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28224437/baseline-hbv-load-increases-the-risk-of-anti-tuberculous-drug-induced-hepatitis-flares-in-patients-with-tuberculosis
#4
Chun-Hui Zhu, Man-Zhi Zhao, Guang Chen, Jun-Ying Qi, Jian-Xin Song, Qin Ning, Dong Xu
Hepatitis associated anti-tuberculous treatment (HATT) has been a main obstacle in managing patients co-infected with Mycobacterium tuberculosis and hepatitis B virus (HBV). Therefore, we evaluated the factors related to the severity of adverse effects during HATT, especially those associated with liver failure. A retrospective study was carried out at Tongji Hospital from 2007 to 2012. Increases in serum transaminase levels of >3, 5, and 10 times the upper limit of normal (ULN) were used to define liver damage as mild, moderate, and severe, respectively...
February 2017: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/28220122/nf-%C3%AE%C2%BAb-links-tlr2-and-par1-to-soluble-immunomodulator-factor-secretion-in-human-platelets
#5
Pauline Damien, Fabrice Cognasse, Bernard Payrastre, Sherry L Spinelli, Neil Blumberg, Charles-Antoine Arthaud, Marie-Ange Eyraud, Richard P Phipps, Archibald McNicol, Bruno Pozzetto, Olivier Garraud, Hind Hamzeh-Cognasse
The primary toll-like receptor (TLR)-mediated immune cell response pathway common for all TLRs is MyD88-dependent activation of NF-κB, a seminal transcription factor for many chemokines and cytokines. Remarkably, anucleate platelets express the NF-κB machinery, whose role in platelets remains poorly understood. Here, we investigated the contribution of NF-κB in the release of cytokines and serotonin by human platelets, following selective stimulation of TLR2 and protease activated receptor 1 (PAR1), a classical and non-classical pattern-recognition receptor, respectively, able to participate to the innate immune system...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28219324/non-anti-coagulant-factors-associated-with-filter-life-in-continuous-renal-replacement-therapy-crrt-a-systematic-review-and-meta-analysis
#6
Matthew Brain, Elizabeth Winson, Owen Roodenburg, John McNeil
BACKGROUND: Optimising filter life and performance efficiency in continuous renal replacement therapy has been a focus of considerable recent research. Larger high quality studies have predominantly focussed on optimal anticoagulation however CRRT is complex and filter life is also affected by vascular access, circuit and management factors. We performed a systematic search of the literature to identify and quantify the effect of vascular access, circuit and patient factors that affect filter life and presented the results as a meta-analysis...
February 20, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28216501/-retrospective-analysis-on-337-cases-of-%C3%A2-henoch-sch%C3%A3-nlein-purpura
#7
Lijun Zhao, Yaping Li
To determine differences in incidence, causes, clinical manifestation,prognosis between children and adults in patients with Henoch-Schönlein purpura (HSP).
 Methods: We retrospectively analyzed clinical data of 337 patients who hospitalized in the Department of Dermatology, Peace Hospital affiliated to Changzhi Medical College from Feb. 2013 to Jan. 2016. All patients were divided into two groups by age: a child group (patients were less than 14 years old) and an adult group (patients were more than or equal to 14 years old)...
January 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28216098/potential-influences-of-complement-factor-h-in-autoimmune-inflammatory-and-thrombotic-disorders
#8
Janez Ferluga, Lubna Kouser, Valarmathy Murugaiah, Robert B Sim, Uday Kishore
Complement system homeostasis is important for host self-protection and anti-microbial immune surveillance, and recent research indicates roles in tissue development and remodelling. Complement also appears to have several points of interaction with the blood coagulation system. Deficiency and altered function due to gene mutations and polymorphisms in complement effectors and regulators, including Factor H, have been associated with familial and sporadic autoimmune inflammatory - thrombotic disorders, in which autoantibodies play a part...
February 16, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28212548/branched-chain-amino-acids-prevent-hepatic-fibrosis-and-development-of-hepatocellular-carcinoma-in-a-non-alcoholic-steatohepatitis-mouse-model
#9
Kai Takegoshi, Masao Honda, Hikari Okada, Riuta Takabatake, Naoto Matsuzawa-Nagata, Jean S Campbell, Masashi Nishikawa, Tetsuro Shimakami, Takayoshi Shirasaki, Yoshio Sakai, Taro Yamashita, Toshinari Takamura, Takuji Tanaka, Shuichi Kaneko
Oral supplementation with branched-chain amino acids (BCAA; leucine, isoleucine, and valine) in patients with liver cirrhosis potentially suppresses the incidence of hepatocellular carcinoma (HCC) and improves event-free survival. However, the detailed mechanisms of BCAA action have not been fully elucidated. BCAA were administered to atherogenic and high-fat (Ath+HF) diet-induced nonalcoholic steatohepatitis (NASH) model mice. Liver histology, tumor incidence, and gene expression profiles were evaluated. Ath+HF diet mice developed hepatic tumors at a high frequency at 68 weeks...
February 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28211910/link-between-plasminogen-activator-inhibitor-1-and-cardiovascular-risk-in-chronic-hepatitis-c-after-viral-clearance
#10
Ming-Ling Chang, Yu-Sheng Lin, Li-Heng Pao, Hsin-Chih Huang, Cheng-Tang Chiu
The pathophysiological implications of plasminogen activator inhibitor-1 (PAI-1) in HCV infection remain obscure. This prospective study evaluated 669 HCV patients, of whom 536 had completed a course of anti-HCV therapy and had pre-, peri- and post-therapy measurements of various profiles, including PAI-1 levels. Multivariate analysis demonstrated, before anti-HCV-therapy, platelet count and PAI-1-rs1799889 genotype were associated with PAI-1 levels. Among patients with a sustained virological response (SVR, n = 445), platelet count was associated with PAI-1 level at 24 weeks post-therapy...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28208873/high-dose-intravenous-anti-d-immune-globulin-is-more-effective-and-safe-in-indian-paediatric-patients-of-immune-thrombocytopenic-purpura
#11
Trupti Rekha Swain, Rabindra Kumar Jena, Kali Prasanna Swain
INTRODUCTION: Immune Thrombocytopenia (ITP) is characterised by an autoimmune antibody-mediated destruction of platelets and impaired platelet production. Few controlled trials exist to guide management of patients with ITP in Indian scenario for which patients require an individualized approach. Anti-D (Rho (D) immune globulin) at a higher dose can prove to be a cost effective and safe alternative for Indian patients with ITP. AIM: To compare the safety and efficacy of higher dose (75μg/kg) intravenous Anti-D immune globulin against the standard dose of 50μg/kg for the management of ITP in Indian patients...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28207542/rifampicin-induced-disseminated-intravascular-coagulation-in-pulmonary-tuberculosis-treatment-a-case-report-and-literature-review
#12
Guo Chen, Jian-Qing He
RATIONALE: Disseminated intravascular coagulation (DIC) induced by daily rifampicin therapy is rare, especially the patient is absent of malignancy, severe infection, and prior exposure to rifampicin. PATIENT CONCERNS: We report a case of DIC induced by daily rifampicin treatment for pulmonary tuberculosis. A 22-year-old, previously healthy man received an anti-tuberculosis therapy consisting of isoniazid, rifampicin, ethambutol, and pyrazinamide on the daily dose recommended by the World Health Organization tuberculosis guidelines after a diagnosis of pulmonary tuberculosis...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28203681/small-but-mighty-platelets-as-central-effectors-of-host-defense
#13
Thomas J Stocker, Hellen Ishikawa-Ankerhold, Steffen Massberg, Christian Schulz
Platelets actively participate in inflammatory processes and drive diseases such as atherosclerosis, rheumatoid arthritis and cancer metastasis. However, platelets also have anti-inflammatory and anti-infective properties, which have received less consideration in the past. In this review, we highlight recent findings on the role of platelets in host defense and describe regulatory pathways modulating immune responses. Furthermore, we discuss the role of platelets for the resolution of inflammation and tissue repair...
February 16, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28202831/-development-of-intracerebral-hemorrhage-and-subarachnoid-hemorrhage-shortly-after-cerebral-infarction-onset-in-an-adult-patient-with-moyamoya-disease
#14
Jun Yoshida, Yoshitaka Kubo, Kenji Yoshida, Kohei Chida, Masakazu Kobayashi, Kuniaki Ogasawara
Here we describe the case of a patient with moyamoya disease who developed cerebral infarction followed shortly by subarachnoid hemorrhage and intracerebral hemorrhage. A 50-year-old woman presenting with sudden and transient weakness of the left lower limb was transferred to a local hospital. Magnetic resonance imaging(MRI)revealed cerebral infarction in the corpus callosum and in the bilateral frontal lobes induced by moyamoya disease. Pyramidal tract was not affected. The patient was treated with an anti-platelet agent(ozagrel sodium 160mg/day)and did not undergo intentional antihypertensive therapy...
February 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28202394/platelet-rich-plasma-prp-induces-chondroprotection-via-increasing-autophagy-anti-inflammatory-markers-and-decreasing-apoptosis-in-human-osteoarthritic-cartilage
#15
Mayssam Moussa, Daniel Lajeunesse, George Hilal, Oula El Atat, Gaby Haykal, Rim Serhal, Antonio Chalhoub, Charbel Khalil, Nada Alaaeddine
OBJECTIVES: Autophagy constitutes a defense mechanism to overcome aging and apoptosis in osteoarthritic cartilage. Several cytokines and transcription factors are linked to autophagy and play an important role in the degradative cascade in osteoarthritis (OA). Cell therapy such as platelet rich plasma (PRP) has recently emerged as a promising therapeutic tool for many diseases including OA. However, its mechanism of action on improving cartilage repair remains to be determined. The purpose of this study is to investigate the effect of PRP on osteoarthritic chondrocytes and to elucidate the mechanism by which PRP contributes to cartilage regeneration...
February 13, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28198453/doxorubicin-loaded-platelets-as-a-smart-drug-delivery-system-an-improved-therapy-for-lymphoma
#16
Peipei Xu, Huaqin Zuo, Bing Chen, Ruju Wang, Arsalan Ahmed, Yong Hu, Jian Ouyang
Chemotherapy is majorly used for the treatment of many cancers, including lymphoma. However, cytotoxic drugs, utilized in chemotherapy, can induce various side effects on normal tissues because of their non-specific distribution in the body. Natural platelets are used as drug carriers because of their biocompatibility and specific targeting to vascular disorders, such as cancer, inflammation, and thrombosis. In this work, doxorubicin (DOX) was loaded in natural platelets for treatment of lymphoma. Results showed that DOX was loaded into platelets with high drug loading and encapsulation efficiency...
February 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28195608/proximal-hamstring-tendinosis-and-partial-ruptures
#17
Ashley N Startzman, Oliver Fowler, Dominic Carreira
Proximal hamstring tendinosis and partial hamstring origin ruptures are painful conditions of the proximal thigh and hip that may occur in the acute, chronic, or acute on chronic setting. Few publications exist related to their diagnosis and management. This systematic review discusses the incidence, treatment, and prognosis of proximal hamstring tendinosis and partial hamstring ruptures. Conservative treatment measures include nonsteroidal anti-inflammatory drugs, physical therapy, rest, and ice. If these measures fail, platelet-rich plasma or shockwave therapy may be considered...
February 13, 2017: Orthopedics
https://www.readbyqxmd.com/read/28194878/platelet-activated-serum-might-have-a-therapeutic-effect-on-damaged-articular-cartilage
#18
Munetaka Yokoyama, Masato Sato, Yoshiki Tani, Miyuki Yokoyama, Mami Kokubo, Masayuki Yamato, Teruo Okano, Joji Mochida
Platelet-activated serum (PAS) was collected from rabbits. This contains high concentrations of growth factors, including vascular endothelial growth factor (VEGF), platelet-derived growth factor (PDGF)-BB, and transforming growth factor-beta (TGF-β). PAS was injected into the knee joints of Japanese White rabbits subjected to anterior cruciate ligament transection (ACL-T) to investigate its therapeutic effects on articular cartilage. The effect of Avastin (an anti-VEGF monoclonal antibody) on VEGF expression was also investigated...
February 14, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28194217/schisandra-chinensis-and-morus-alba-synergistically-inhibit-in-vivo-thrombus-formation-and-platelet-aggregation-by-impairing-the-glycoprotein-vi-pathway
#19
Dong-Seon Kim, Muhammad Irfan, Yoon-Young Sung, Seung Hyung Kim, Sun Haeng Park, Young Hyun Choi, Man Hee Rhee, Ho Kyoung Kim
Morus alba L. (MAL) extract has been used in traditional medicine for its cardioprotective and antiplatelet effects, while another herbal remedy, Schisandra chinensis (SCC), has been reported to have anti-inflammatory and antioxidant properties. We evaluated underlying cellular changes exerted by extracts of these plants on platelet function and effects of SCC + MAL on in vivo thrombus formation using AV shunt and tail thrombosis-length models in rats. In vitro platelet aggregation, granule secretion, and [Ca(2+)] i release assays were carried out...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28194178/role-of-helicobacter-pylori-eradication-therapy-on-platelet-recovery-in-chronic-immune-thrombocytopenic-purpura
#20
Khan Sheema, Ujjan Ikramdin, Naz Arshi, Naz Farah, Sheikh Imran
Background. Idiopathic thrombocytopenic purpura (ITP) is a bleeding disorder in which the immune system destroys native platelets. In this condition an autoantibody is generated against a platelet antigen. ITP affects women more often than men and is more common in children than adults. Objective. To assess the effect of Helicobacter pylori eradication therapy (HPET) on platelet count in Helicobacter pylori associated chronic immune thrombocytopenic purpura (chronic ITP) in adult. Materials and Methods. It is an interventional prospective study conducted at Liaquat University of Medical and Health Sciences, Jamshoro, from 2014 to 2015...
2017: Gastroenterology Research and Practice
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