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type 1 diabetes vascular

Philippe Rochigneux, Nicolas Schleinitz, Mikael Ebbo, Marie Aymonier, Bertrand Pourroy, Romain Boissier, Sébastien Salas, Jean-Laurent Deville
Docetaxel is an antimicrotubules cytotoxic agent prescribed widely by medical oncologists in multiple tumor types (breast, lung, prostate, stomach, head, and neck). However, the side effects of docetaxel are numerous (cytopenia, peripheral edema, myalgia, arthralgia, alopecia, and sensitive neuropathy) and recent concerns have been raised about neutropenic enterocolitis in France. Here, we report the case of a 57-year-old patient with metastatic prostatic cancer, who developed a severe myositis and fasciitis grade IV 1 week after his second docetaxel infusion...
March 20, 2018: Anti-cancer Drugs
Keiichi Torimoto, Yosuke Okada, Yoshiya Tanaka
Vascular endothelial function is important for maintaining the homeostasis of the living body. Especially, nitric oxide (NO) produced in vascular endothelial cells regulates blood vessel tone and has an antiatherosclerotic effect. Type 2 diabetes is a typical disease that causes impaired vascular endothelial function, resulting in various vascular complications and damage to organs. Cardiovascular disease associated with type 2 diabetes is a chronic inflammatory disease that starts with endothelial dysfunction (ED), and vascular ED is important as an initial change in arteriosclerotic lesions...
2018: Journal of UOEH
Joo-Yong Hahn, Young Bin Song, Ju-Hyeon Oh, Deok-Kyu Cho, Jin Bae Lee, Joon-Hyung Doh, Sang-Hyun Kim, Jin-Ok Jeong, Jang-Ho Bae, Byung-Ok Kim, Jang Hyun Cho, Il-Woo Suh, Doo-Il Kim, Hoon-Ki Park, Jong-Seon Park, Woong Gil Choi, Wang Soo Lee, Jihoon Kim, Ki Hong Choi, Taek Kyu Park, Joo Myung Lee, Jeong Hoon Yang, Jin-Ho Choi, Seung-Hyuk Choi, Hyeon-Cheol Gwon
BACKGROUND: Current guidelines recommend dual antiplatelet therapy (DAPT) of aspirin plus a P2Y12 inhibitor for at least 12 months after implantation of drug-eluting stents (DES) in patients with acute coronary syndrome. However, available data about the optimal duration of DAPT in patients with acute coronary syndrome undergoing percutaneous coronary intervention are scant. We aimed to investigate whether a 6-month duration of DAPT would be non-inferior to the conventional 12-month or longer duration of DAPT in this population...
March 9, 2018: Lancet
Tanya Moutray, Jennifer R Evans, Noemi Lois, David J Armstrong, Tunde Peto, Augusto Azuara-Blanco
BACKGROUND: Diabetic retinopathy (DR) is a chronic progressive disease of the retinal microvasculature associated with prolonged hyperglycaemia. Proliferative DR (PDR) is a sight-threatening complication of DR and is characterised by the development of abnormal new vessels in the retina, optic nerve head or anterior segment of the eye. Argon laser photocoagulation has been the gold standard for the treatment of PDR for many years, using regimens evaluated by the Early Treatment of Diabetic Retinopathy Study (ETDRS)...
March 15, 2018: Cochrane Database of Systematic Reviews
Nejla Sellami, Laila Ben Lamine, Amira Turki, Sameh Sarray, Mohammed Jailani, Abrar K Al-Ansari, Mohamed Ghorbel, Touhami Mahjoub, Wassim Y Almawi
BACKGROUND: Vascular endothelial growth factor (VEGF) contributes to type 2 diabetes (T2DM) pathogenesis, and genetic variations in VEGFA gene were suggested to influence VEGF secretion and T2DM pathogenesis. AIM: To evaluate the association of specific VEGFA variants with altered VEGF levels, and with T2DM among Tunisians. SUBJECTS AND METHODS: A retrospective case-control study, performed on 815 T2DM patients, and 805 healthy controls. VEGF levels were measured by ELISA, genotyping of VEGFA variants was done by allelic exclusion method (real-time PCR)...
March 10, 2018: Cytokine
Ying Ma, Ying Wang, Hai-Yun Wang, Yang Li, Zi-Juan Zhou, Bing-Yan Liu, Xue-Mei Li, Li-Meng Chen
Objective To investigate the risk factors predicting the short-term outcomes of patients with peritoneal dialysis(PD)-associated peritonitis (PDAP). Methods In this retrospective cohort study,the clinical data at baseline and 0-3 months before peritonitis onset (peritonitis-free period) were collected from end-stage renal disease patients who started PD and suffered from PDAP between January 1,2004 and March 31,2017 in Peking Union Medical College Hospital. After 4 weeks of follow-up,these patients were divided into two groups according to the clinical outcomes,namely poor outcome group and good outcome group...
February 28, 2018: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
Friederike Remm, Nicolle Kränkel, Daniela Lener, Daniel J Drucker, Sieghart Sopper, Christoph Brenner
Introduction: DPP4 inhibitors (gliptins) are commonly used antidiabetic drugs for the treatment of type 2 diabetes. Gliptins also act in a glucose-independent manner and show vasoregenerative effects. We have shown that gliptins can remarkably accelerate vascular healing after vascular injury. However, the underlying mechanisms remain unclear. Here, we examined potential signaling pathways linking gliptins to enhanced endothelial regeneration. Methods and Results: We used wild-type and GLP1 receptor knockout ( Glp1r -/- ) mice to investigate the underlying mechanisms of gliptin-induced reendothelialization...
2018: Stem Cells International
Hadis Shakeri, Andreas B Gevaert, Dorien M Schrijvers, Guido R Y De Meyer, Gilles W De Keulenaer, Pieter-Jan D F Guns, Katrien Lemmens, Vincent F Segers
Aims: Cardiovascular ageing is a key determinant of life expectancy. Cellular senescence, a state of irreversible cell cycle arrest, is an important contributor to ageing due to the accumulation of damaged cells. Targeting cellular senescence could prevent age-related cardiovascular diseases. In this study, we investigated the effects of neuregulin-1 (NRG-1), an epidermal growth factor with cardioprotective and anti-atherosclerotic effects, on cellular senescence. Methods & results: Senescence was induced in cultured rat aortic endothelial cells (ECs) and aortic smooth muscle cells (SMCs) by 2 hours exposure to 30 µM hydrogen peroxide (H2O2)...
March 8, 2018: Cardiovascular Research
Jean Amiral, Maxime Laroche, Jerard Seghatchian
For many years, the importance of fibrinolysis has been recognized, first for its intravascular antithrombotic action, and more recently for its many extravascular activities, associated with matrix degradation and tissue remodeling. In the blood circulation system, fibrinolysis prevents thrombosis, and is associated with various biological and clinical situations: risk factors for cardio-vascular diseases in high risk clinical situations (type II diabetes, hypertension, triglycerides, high BMI, elevated glucose, etc...
February 20, 2018: Transfusion and Apheresis Science
Vyacheslav Buko, Ilya Zavodnik, Olena Kanuka, Elena Belonovskaya, Elena Naruta, Oxana Lukivskaya, Siargej Kirko, Grazyna Budryn, Danuta Żyżelewicz, Joanna Oracz, Natalia Sybirna
The protective effect of red cabbage extract (RCE) was evaluated in rats with streptozotocin-induced diabetes, assessing a probable role of this extract in the prevention of erythrocyte impairments associated with a high risk of vascular complications in diabetes. RCE was analyzed by ultrahigh performance liquid chromatography and mass spectrometry, and 11 anthocyanins, 3 hydroxybenzoic acids and 9 hydroxycinnamic acids were identified. Type 1 diabetes was induced by streptozotocin (60 mg kg-1 ) in Wistar male rats (n = 8 per group)...
March 8, 2018: Food & Function
Arpeeta Sharma, Mitchel Tate, Geetha Mathew, James E Vince, Rebecca H Ritchie, Judy B de Haan
It is now increasingly appreciated that inflammation is not limited to the control of pathogens by the host, but rather that sterile inflammation which occurs in the absence of viral or bacterial pathogens, accompanies numerous disease states, none more so than the complications that arise as a result of hyperglycaemia. Individuals with type 1 or type 2 diabetes mellitus (T1D, T2D) are at increased risk of developing cardiac and vascular complications. Glucose and blood pressure lowering therapies have not stopped the advance of these morbidities that often lead to fatal heart attacks and/or stroke...
2018: Frontiers in Physiology
Milene R Malheiros-Lima, Washington Pires, Ivana A T Fonseca, Julliane V Joviano-Santos, Anderson J Ferreira, Cândido C Coimbra, Nilo R V Lima, Samuel P Wanner
This study aimed to investigate the chronic effects of caudal artery denervation on morphometric parameters of the tail vascular smooth muscle and on physical exercise-induced thermoregulatory and cardiovascular adjustments in rats. Male Wistar rats were subjected to caudal artery denervation or the sham procedure. Approximately 26-28 days after these procedures, their thermoregulatory and cardiovascular parameters were evaluated at rest and during or following a fatiguing treadmill run. At the end of the experiments, the rats were euthanized, and samples of their tails were removed to evaluate morphometric parameters of the vascular smooth muscle surrounding the caudal artery...
2018: Frontiers in Physiology
Daisuke Matsutani, Masaya Sakamoto, Hiroyuki Iuchi, Souichirou Minato, Hirofumi Suzuki, Yosuke Kayama, Norihiko Takeda, Ryuzo Horiuchi, Kazunori Utsunomiya
BACKGROUND: It is presently unclear whether glycemic variability (GV) is associated with baroreflex sensitivity (BRS), which is an early indicator of cardiovascular autonomic neuropathy. The present study is the first to examine the relationships between BRS and GV measured using continuous glucose monitoring (CGM). METHODS: This was a multicenter, prospective, open-label clinical trial. A total of 102 patients with type 2 diabetes were consecutively recruited for this study...
March 7, 2018: Cardiovascular Diabetology
Alex Tsui, Diana Kuh, Linda Cardozo, Daniel Davis
OBJECTIVE: To investigate the prevalence of urgency urinary incontinence (UUI) at age 68 years and the contribution of vascular risk factors to male and female UUI pathogenesis in addition to the associations with raised body mass index (BMI). SUBJECTS AND METHODS: In all, 1 762 participants from the Medical Research Council (MRC) National Survey for Health and Development birth cohort who answered the International Consultation on Incontinence Questionnaire short form (ICIQ-SF), at age 68 years, were included...
March 7, 2018: BJU International
Takashi Hitsumoto
Background: The cardio-ankle vascular index (CAVI) is a novel physiological marker of atherosclerosis that reflects systemic arterial stiffness. The aim of this study was to clarify the clinical significance of CAVI as a risk factor for cardiovascular diseases (CVDs) in elderly patients with type 2 diabetes mellitus. Methods: This cross-sectional study enrolled 216 elderly (≥ 65 years) outpatients with type 2 diabetes mellitus who were undergoing antidiabetic treatment (96 males and 120 females; mean age, 75 ± 7 years (mean ± standard deviation))...
April 2018: Journal of Clinical Medicine Research
Peter P Swoboda, Bara Erhayiem, Rachel Kan, Adam K McDiarmid, Pankaj Garg, Tarique A Musa, Laura E Dobson, Klaus K Witte, Mark T Kearney, Julian H Barth, Ramzi Ajjan, John P Greenwood, Sven Plein
BACKGROUND: We aimed to investigate in patients with type 2 diabetes whether aortic stiffness is: (i) associated with glycaemic control, (ii) associated with adverse outcomes and (iii) can be reversed on treatment with RAAS inhibition. METHODS: Patients with type 2 diabetes (N = 94) and low vascular risk underwent assessment of cardiovascular risk and CMR assessment of ascending aortic distensibility (AAD), descending aortic distensibility (DAD) and aortic pulse wave velocity (PWV)...
March 5, 2018: Cardiovascular Diabetology
Wen-Jing Liang, Sheng-Nan Zhou, Mei-Rong Shan, Xue-Qin Wang, Miao Zhang, Yuan Chen, Yun Zhang, Shuang-Xi Wang, Tao Guo
Diabetes mellitus is one of risk factors of cardiovascular diseases including atherosclerosis. Whether and how diabetes promotes the formation of unstable atherosclerotic plaque is not fully understood. Here, we show that streptozotocin-induced type 1 diabetes reduced collagen synthesis, leading to the formation of unstable atherosclerotic plaque induced by collar placement around carotid in apolipoprotein E knockout (Apoe-/- ) mice. These detrimental effects of hyperglycemia on plaque stability were reversed by metformin in vivo without altering the levels of blood glucose and lipids...
March 3, 2018: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
Daniela Pereira Catanzaro, Ever Elias Mena Laura, Tania M Cestari, Ricardo V N Arantes, Gustavo Pompermaier Garlet, Rumio Taga, Gerson Francisco de Assis
AIM: The effects of green tea on the modulation of vascularization during the progression of spontaneous periodontitis in long-term hyperglycemia in streptozotocin induced type-1 diabetic (T1D) rats were evaluated. MATERIALS AND METHODS: Wistar rats normoglycemic (NG) and T1D were divided in two control groups, which received water (NG-W and T1D-W) and two experimental groups that received green tea (NG-GT and T1D-GT). Periodontal structures were evaluated by microtomographic and histological analyzes...
March 3, 2018: Journal of Clinical Periodontology
Gareth J McKay, Euan N Paterson, Alexander P Maxwell, Christopher C Cardwell, Ruixuan Wang, Stephen Hogg, Thomas J MacGillivray, Emanuele Trucco, Alexander S Doney
The eye provides an opportunistic "window" to view the microcirculation. There is published evidence of an association between retinal microvascular calibre and renal function measured by estimated glomerular filtration rate (eGFR) in individuals with diabetes mellitus. Beyond vascular calibre, few studies have considered other microvascular geometrical features. Here we report novel null findings for measures of vascular spread (vessel fractal dimension), tortuosity, and branching patterns and their relationship with renal function in type 2 diabetes over a mean of 3 years...
March 2, 2018: Scientific Reports
Keizo Kanasaki
Emerging evidence suggests that dipeptidyl peptidase-4 (DPP-4) inhibitors used to treat type 2 diabetes may have nephroprotective effects beyond the reduced renal risk conferred by glycemic control. DPP-4 is a ubiquitous protein with exopeptidase activity that exists in cell membrane-bound and soluble forms. The kidneys contain the highest levels of DPP-4, which is increased in diabetic nephropathy. DPP-4 inhibitors are a chemically heterogeneous class of drugs with important pharmacological differences. Of the globally marketed DPP-4 inhibitors, linagliptin is of particular interest for diabetic nephropathy as it is the only compound that is not predominantly excreted in the urine...
February 28, 2018: Clinical Science (1979-)
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