Improved functionalization of oleic acid-coated iron oxide nanoparticles for biomedical applications

Superparamagnetic iron oxide nanoparticles can providemultiple benefits for biomedical applications in aqueous environments such asmagnetic separation or magnetic resonance imaging. To increase the colloidal stability and allow subsequent reactions, the introduction of hydrophilic functional groups onto the particles’ surface is essential. During this process, the original coating is exchanged by preferably covalently bonded ligands such as trialkoxysilanes. The duration of the silane exchange reaction, which commonly takes more than 24 h, is an important drawback for this approach. In this paper, we present a novel method, which introduces ultrasonication as an energy source to dramatically accelerate this process, resulting in high-quality waterdispersible nanoparticles around 10 nmin size. To prove the generic character, different functional groups were introduced on the surface including polyethylene glycol chains, carboxylic acid, amine, and thiol groups. Their colloidal stability in various aqueous buffer solutions as well as human plasma and serum was investigated to allow implementation in biomedical and sensing applications.status: publishe

Acromegaly is protective for periodontal tissue - advanced chronic periodontitis is rare in acromegalics

Background: Acromegaly is a complex syndrome which influences the connective tissue and bone metabolism. Although the effects of excess growth hormone on bone tissue are well known, its effect on periodontal tissue is an enigma. Methods: A total of 23 acromegalic patients (mean age 48.13 +/- 9.4 years) were included randomly in to this cross-sectional study. The control group consisted of 60 healthy (mean age 50.3 +/- 8.5) individuals. All participants were examined by the same periodontist to evaluate periodontal disease status. Results: We studied a group of 23 acromegalic patients (11 females, 12 males) with estimated duration of disease from minimum of one year to 10 years (mean 4.52 +/- 2.9 years). The frequency of advanced chronic periodontitis in acromegalics was significantly lower than in the healthy group (p = 0.002). Advanced periodontitis was 10 times more frequent in healthy population than in the acromegalics. Conclusions: Advanced chronic periodontitis is 10 times less frequent in acromegalics than in healthy population. Acromegaly is a disease which seems to be protective for periodontal tissue (Tab. 4, Ref. 30). Text in PDF www.elis.sk

Breathlessness in a patient with rheumatoid vasculitis.

WoSScopu

Parameters of Patients with Diabetes Mellitus (TEMD Obesity Study)

Background: Obesity is the main obstacle for metabolic control in patients with type 2 diabetes. Turkey has the highest prevalence of obesity and type 2 diabetes in Europe. The effect of obesity on the metabolic control, and the macro-and microvascular complications of patients are not apparent. Objectives: This nationwide survey aimed to investigate the prevalence of overweight and obesity among patients with type 2 diabetes and to search for the impact of obesity on the metabolic control of these patients. We also investigated the independent associates of obesity in patients with type 2 diabetes. Methods: We consecutively enrolled patients who were under follow-up for at least 1 year in 69 tertiary healthcare units in 37 cities. The demographic, anthropometric, and clinical data including medications were recorded. Patients were excluded if they were pregnant, younger than 18 years, had decompensated liver disease, psychiatric disorders interfering with cognition or compliance, had bariatric surgery, or were undergoing renal replacement therapy. Results: Only 10% of patients with type 2 diabetes (n = 4,648) had normal body mass indexes (BMI), while the others were affected by overweight (31%) or obesity (59%). Women had a significantly higher prevalence of obesity (53.4 vs. 40%) and severe obesity (16.6 vs. 3.3%). Significant associations were present between high BMI levels and lower education levels, intake of insulin, antihypertensives and statins, poor metabolic control, or the presence of microvascular complications. Age, gender, level of education, smoking, and physical inactivity were the independent associates of obesity in patients with type 2 diabetes. Conclusion: The TEMD Obesity Study shows that obesity is a major determinant of the poor metabolic control in patients with type 2 diabetes. These results underline the importance of prevention and management of obesity to improve health care in patients with type 2 diabetes. Also, the results point out the independent sociodemographic and clinical associates of obesity, which should be the prior targets to overcome, in the national fight with obesity. (c) 2019 The Author(s) Published by S. Karger AG, BaselC1 [Sonmez, Alper; Haymana, Cem; Demirci, Ibrahim] Univ Hlth Sci, Gulhane Sch Med, Dept Endocrinol & Metab, TR-06018 Ankara, Turkey.[Yumuk, Volkan] Istanbul Univ, Cerrahpasa Med Fac, Dept Endocrinol & Metab, Istanbul, Turkey.[Barcin, Cem] Univ Hlth Sci, Gulhane Sch Med, Dept Cardiol, Ankara, Turkey.[Kiyici, Sinem] Univ Hlth Sci, Bursa Yuksek Ihtisas Training & Res Hosp, Dept Endocrinol & Metab, Bursa, Turkey.[Guldiken, Sibel] Trakya Univ, Med Fac, Dept Endocrinol & Metab, Edirne, Turkey.[Oruk, Gonca] Izmir Katip Celebi Univ, Ataturk Educ & Res Hosp, Dept Endocrinol & Metab, Izmir, Turkey.[Saydam, Basak Ozgen] Dokuz Eylul Univ, Med Fac, Dept Endocrinol & Metab, Izmir, Turkey.[Baldane, Suleyman] Selcuk Univ, Med Fac, Dept Endocrinol & Metab, Konya, Turkey.[Kutluturk, Faruk] Gaziosmanpasa Univ, Med Fac, Dept Endocrinol & Metab, Tokat, Turkey.[Kucukler, Ferit Kerim] Hitit Univ, Med Fac, Dept Endocrinol & Metab, Corum, Turkey.[Deyneli, Oguzhan] Marmara Univ, Med Fac, Dept Endocrinol & Metab, Istanbul, Turkey.[Cetinarslan, Berrin] Kocaeli Univ, Med Fac, Dept Endocrinol & Metab, Kocaeli, Turkey.[Sabuncu, Tevfik] Harran Univ, Med Fac, Dept Endocrinol & Metab, Urfa, Turkey.[Bayram, Fahri] Erciyes Univ, Med Fac, Dept Endocrinol & Metab, Kayseri, Turkey.[Satman, Ilhan] Istanbul Univ, Med Fac, Dept Endocrinol & Metab, Istanbul, Turkey.[Ayturk, Semra] Trakya Univ, Sch Med, Dept Endocrinol & Metab, Edirne, Turkey.[Yilmaz, Murat] Corlu REYAP Private Hosp, Dept Endocrinol & Metab, Corlu, Turkey.[Asik, Mehmet] Canakkale 18 March Univ, Sch Med, Dept Endocrinol & Metab, Canakkale, Turkey.[Dinccag, Nevin; Cakmak, Ramazan; Turker, Fulya; Idiz, Cemile; Hacisahinogullari, Hulya; Bagdemir, Elif; Yildiz, Busra; Haliloglu, Ozlem] Istanbul Univ, Sch Med, Dept Endocrinol & Metab, Cerrahpasa, Turkey.[Sancak, Seda] Univ Hlth Sci, Sch Med, Fatih Sultan Mehmet Training & Res Hosp, Dept Endocrinol & Metab, Istanbul, Turkey.[Ozsari, Levent; Cagiltay, Eylem] Univ Hlth Sci, Sch Med, Sultanabdulhamit Training & Res Hosp, Dept Endocrinol & Metab, Istanbul, Turkey.[Imre, Eren] Marmara Univ, Sch Med, Dept Endocrinol & Metab, Istanbul, Turkey.[Sait Gonen; Boysan, S. Nur] Istanbul Sci Univ, Sch Med, Dept Endocrinol & Metab, Istanbul, Turkey.[Altuntas, Yuksel; Ozturk, Feyza Yener] Univ Hlth Sci, Sch Med, Sisli Hamidiye Etfal Training & Res Hosp, Dept Endocrinol & Metab, Istanbul, Turkey.[Mert, Meral; Piskinpasa, Hamide] Univ Hlth Sci, Istanbul Bakirkoy Dr Sadi Konuk Training & Res Ho, Sch Med, Dept Endocrinol & Metab, Istanbul, Turkey.[Aydin, Hasan] Yeditepe Univ, Sch Med, Dept Endocrinol & Metab, Istanbul, Turkey.[Ersoy, Canan; Oz Gul, Ozen] Uludag Univ, Sch Med, Dept Endocrinol & Metab, Bursa, Turkey.[Selek, Alev] Kocaeli Univ, Sch Med, Dept Endocrinol & Metab, Kocaeli, Turkey.[Dogru, Teoman; Kirik, Ali] Balikesir Univ, Sch Med, Dept Internal Med, Balikesir, Turkey.[Kebapci, Nur; Efe, Belgin] Eskisehir Osmangazi Univ, Sch Med, Dept Endocrinol & Metab, Odunpazari Eskisehir, Turkey.[Kaya, Ahmet; Cordan, Ilker] Necmettin Erbakan Univ, Sch Med, Dept Endocrinol & Metab, Konya, Turkey.[Kirac, Cem Onur] Selcuk Univ, Sch Med, Dept Endocrinol & Metab, Konya, Turkey.[Capa, Zehra] Univ Hlth Sci, Gulhane Sch Med, Ankara, Turkey.[Capa, Zehra] Gulhane Training & Res Hosp, Dept Endocrinol & Metab, Ankara, Turkey.[Cesur, Mustafa] Private Guven Hosp, Dept Endocrinol & Metab, Ankara, Turkey.[Yetkin, Ilhan] Gazi Univ, Sch Med, Dept Endocrinol & Metab, Ankara, Turkey.[Corapcioglu, Demet; Canlar, Sule] Ankara Univ, Sch Med, Dept Endocrinol & Metab, Ankara, Turkey.[Yildiz, Okan Bulent; Sendur, Suleyman Nahit] Hacettepe Univ, Sch Med, Dept Endocrinol & Metab, Ankara, Turkey.[Cakir, Bekir; Ozdemir, Didem] Yildirim Beyazit Univ, Sch Med, Dept Endocrinol & Metab, Ankara, Turkey.[Corakci, Ahmet] Ufuk Univ, Sch Med, Dept Endocrinol & Metab, Ankara, Turkey.[Kutlu, Mustafa] Private Bayindir Hosp, Dept Endocrinol & Metab, Ankara, Turkey.[Bascil Tutuncu, Neslihan; Bozkus, Yusuf] Baskent Univ, Sch Med, Dept Endocrinol & Metab, Ankara, Turkey.[Cakal, Erman] Univ Hlth Sci, Sch Med, Diskapi Yildirim Beyazit Training & Res Hosp, Dept Endocrinol & Metab, Ankara, Turkey.[Demirbas, Berrin] TOBB Univ, Sch Med, Dept Endocrinol & Metab, Ankara, Turkey.[Ertek, Sibel] Private Mem Hosp, Dept Endocrinol & Metab, Ankara, Turkey.[Altay, Mustafa; Dagdeviren, Murat] Univ Hlth Sci, Sch Med, Kecioren Training & Res Hosp, Dept Endocrinol & Metab, Ankara, Turkey.[Abedi, Amir Hassein] Erciyes Univ, Sch Med, Dept Endocrinol & Metab, Kayseri, Turkey.[Cetinkalp, Sevki; Ozisik, Hatice] Ege Univ, Sch Med, Dept Endocrinol & Metab, Izmir, Turkey.[Yener, Serkan] Dokuz Eylul Univ, Sch Med, Dept Endocrinol & Metab, Izmir, Turkey.[Guney, Engin; Unubol, Mustafa] Adnan Menderes Univ, Sch Med, Dept Endocrinol & Metab, Aydin, Turkey.[Yaylali, Guzin Fidan; Topsakal, Senay] Pamukkale Univ, Sch Med, Dept Endocrinol & Metab, Denizli, Turkey.[Hekimsoy, Zeliha] Celal Bayar Univ, Sch Med, Dept Endocrinol & Metab, Manisa, Turkey.[Akbaba, Gulhan] Mugla Univ, Sch Med, Dept Endocrinol & Metab, Mugla, Turkey.[Aslan, Ibrahim] Univ Hlth Sci, Antalya Training & Res Hosp, Sch Med, Dept Endocrinol & Metab, Antalya, Turkey.[Balci, Mustafa Kemal; Dalkiran, Sefika] Akdeniz Univ, Sch Med, Dept Endocrinol & Metab, Antalya, Turkey.[Akbay, Esen] Mersin Univ, Sch Med, Dept Endocrinol & Metab, Mersin, Turkey.[Gul, Kamile] Kahramanmaras Sutcu Imam Univ, Sch Med, Dept Endocrinol & Metab, Kahramanmaras, Turkey.[Agbaht, Kemal] Private Defne Hosp, Dept Endocrinol & Metab, Antalya, Turkey.[Yilmaz, Muge Ozsan] Mustafa Kemal Univ, Sch Med, Dept Endocrinol & Metab, Antakya, Turkey.[Bozkirli, Emre] Baskent Univ, Adana Training Hosp, Dept Endocrinol & Metab, Ankara, Turkey.[Tetiker, B. Tamer; Cetinkaya Altuntas, Seher] Cukurova Univ, Sch Med, Dept Endocrinol & Metab, Adana, Turkey.[Atmaca, Aysegul; Durmus, Elif Tutku] 19 Mayis Univ, Sch Med, Dept Endocrinol & Metab, Samsun, Turkey.[Mete, Turkan] Univ Hlth Sci, Sch Med, Samsun Training & Res Hosp, Dept Endocrinol & Metab, Samsun, Turkey.[Dikbas, Oguz] Giresun Univ, Sch Med, Dept Endocrinol & Metab, Giresun, Turkey.[Akin, Safak] Recep Tayyip Erdogan Univ, Sch Med, Dept Endocrinol & Metab, Rize, Turkey.[Nuhoglu, Irfan; Ersoz, Halil Onder] Karadeniz Tech Univ, Sch Med, Dept Endocrinol & Metab, Trabzon, Turkey.[Bayraktaroglu, Taner] Bulent Ecevit Univ, Sch Med, Dept Endocrinol & Metab, Zonguldak, Turkey.[Sisman, Pinar] Kars Harakani State Hosp, Dept Endocrinol & Metab, Kars, Turkey.[Sahin, Ibrahim; Cetin, Sedat] Inonu Univ, Sch Med, Dept Endocrinol & Metab, Malatya, Turkey.[Capoglu, Ilyas; Akbas, Emin Murat] Erzincan Univ, Sch Med, Dept Endocrinol & Metab, Erzincan, Turkey.[Ucler, Rifki] Yuzuncu Yil Univ, Sch Med, Dept Endocrinol & Metab, Van, Turkey.[Eren, Mehmet Ali] Harran Univ, Sch Med, Dept Endocrinol & Metab, Sanliurfa, Turkey.[Tuzcu, Alpaslan Kemal; Pekkolay, Zafer] Dicle Univ, Sch Med, Dept Endocrinol & Metab, Diyarbakir, Turkey.[Ozkaya, Mesut] Univ Hlth Sci, Sch Med, Gaziantep Ersin Arslan Res & Training Hosp, Gaziantep, Turkey.[Araz, Mustafa] Gaziantep Univ, Sch Med, Dept Endocrinol & Metab, Gaziantep, Turkey.[Salman, Serpil] Liv Hosp Ulus, Dept Endocrinol & Metab, Istanbul, Turkey.[Dizdar, Oguzhan Sitki] Kayseri Educ & Res Hosp, Dept Internal Med, Kayseri, Turkey.[Gurkan, Eren] Mustafa Kemal Univ, Dept Endocrinol & Metab, Antakya, Turkey.[Kargili Carlioglu, Ayse] Erzurum Reg Educ & Res Hosp, Dept Endocrinol & Metab, Erzurum, Turkey

Turkish nationwide survEy of glycemic and other Metabolic parameters of patients with Diabetes mellitus (TEMD study)

AIMS: Turkey has the highest prevalence of diabetes in Europe. It is therefore essential to know the overall cardiovascular risk and reveal the predictors of metabolic control in Turkish adults with diabetes mellitus. METHODS: A nationwide, multicenter survey consecutively enrolled patients who were under follow up for at least a year. Optimal control was defined as HbA1c < 7%, home arterial blood pressure (ABP) < 135/85 mmHg, or LDL-C < 100 mg/dL. Achieving all parameters indicated triple metabolic control. RESULTS: HbA1c levels of patients (n = 5211) were 8.6 ± 1.9% (71 ± 22 mmol/mol) and 7.7 ± 1.7% (61 ± 19 mmol/mol), in Type 1 and Type 2 diabetes, respectively. Glycemic control was achieved in 15.3% and 40.2%, and triple metabolic control was achieved in 5.5% and 10.1%, respectively. Only 1.5% of patients met all the criteria of being non-obese, non-smoker, exercising, and under triple metabolic control. Low education level was a significant predictor of poor glycemic control in both groups. CONCLUSIONS: Few patients with Type 2, and even fewer with Type 1 diabetes have optimal metabolic control in Turkey. TEMD study will provide evidence-based information to policy makers to focus more on the quality and sustainability of diabetes care in order to reduce the national burden of the disease

Rationale, design, and baseline characteristics in Evaluation of LIXisenatide in Acute Coronary Syndrome, a long-term cardiovascular end point trial of lixisenatide versus placebo

Background: Cardiovascular (CV) disease is the leading cause of morbidity and mortality in patients with type 2 diabetes mellitus (T2DM). Furthermore, patients with T2DM and acute coronary syndrome (ACS) have a particularly high risk of CV events. The glucagonlike peptide 1 receptor agonist, lixisenatide, improves glycemia, but its effects on CV events have not been thoroughly evaluated. Methods: ELIXA (www.clinicaltrials.gov no. NCT01147250) is a randomized, double-blind, placebo-controlled, parallelgroup, multicenter study of lixisenatide in patients with T2DM and a recent ACS event. The primary aim is to evaluate the effects of lixisenatide on CV morbidity and mortality in a population at high CV risk. The primary efficacy end point is a composite of time to CV death, nonfatal myocardial infarction, nonfatal stroke, or hospitalization for unstable angina. Data are systematically collected for safety outcomes, including hypoglycemia, pancreatitis, and malignancy. Results: Enrollment began in July 2010 and ended in August 2013; 6,068 patients from 49 countries were randomized. Of these, 69% are men and 75% are white; at baseline, the mean ± SD age was 60.3 ± 9.7 years, body mass index was 30.2 ± 5.7 kg/m2, and duration of T2DM was 9.3±8.2 years. The qualifying ACS wasamyocardial infarctionin83% and unstableangina in 17%. The study will continue until the positive adjudication of the protocol-specified number of primary CV events. Conclusion: ELIXA will be the first trial to report the safety and efficacy of a glucagon-like peptide 1 receptor agonist in people with T2DM and high CV event risk. © 2015 Elsevier Inc. All rights reserved