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Neck AND insulin resistance

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https://www.readbyqxmd.com/read/28728486/relationship-between-neck-circumference-insulin-resistance-and-arterial-stiffness-in-overweight-and-obese-subjects
#1
Francesco Fantin, Gabriele Comellato, Andrea P Rossi, Elisa Grison, Elena Zoico, Gloria Mazzali, Mauro Zamboni
Background Only a few studies have investigated the relationship between neck circumference and cardiometabolic risk. The aim of this study was to assess the relationships between neck circumference, waist circumference, metabolic variables and arterial stiffness in a group of overweight and obese subjects evaluating a possible independent role of neck circumference in determining arterial stiffness. Methods and results We studied 95 subjects (53 women) with an age range of 20-77 years and body mass index range from 25...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28704413/association-of-insulin-resistance-with-near-peak-bone-mass-in-the-femur-and-lumbar-spine-of-korean-adults-aged-25-35-the-korean-national-health-and-nutrition-examination-survey-2008-2010
#2
Min Soo Choo, Se Rin Choi, Jun Hyun Han, Seong Ho Lee, Young Suk Shim
OBJECTIVE: This study aimed to evaluate the relationship between insulin resistance and the bone mineral density (BMD) of femur and lumbar spine in Korean adults who are expected to exhibit near peak bone mass. METHODS: Data from the Korean National Health and Nutrition Examination Survey 2008-2010 were analyzed. A total of 2,750 participants aged 25-35 years were included. Insulin resistance was assessed using a homeostatic model assessment of insulin resistance (HOMA-IR) and serum fasting insulin...
2017: PloS One
https://www.readbyqxmd.com/read/28663160/a-mutation-in-insr-in-a-child-presenting-with-severe-acanthosis-nigricans
#3
Hale Tuhan, Serdar Ceylaner, Özlem Nalbantoğlu, Sezer Acar, Ayhan Abacı, Ece Böber, Korcan Demir
Rabson Mendenhall Syndrome (RMS) is an autosomal recessive disorder due to the mutations in insulin receptor gene (INSR), which is mapped to 19p13.2. RMS is characterized by acanthosis nigricans, generalized lanugo, tooth and nail dysplasia, high nasal bridge and growth retardation. A 5-year-old female patient was referred due to acanthosis nigricans and generalized lanugo. On her physical examination, severe acanthosis nigricans of the neck, axillae, the external genitalia and antecubital regions, generalized lanugo, mildly decreased subcutaneous fat, dysmorphic facial features, and polydactyly on her left arm were noted...
June 30, 2017: Journal of Clinical Research in Pediatric Endocrinology
https://www.readbyqxmd.com/read/28543814/intra-and-interindividual-variability-of-fatty-acid-unsaturation-in-six-different-human-adipose-tissue-compartments-assessed-by-1-h-mrs-in-vivo-at-3%C3%A2-t
#4
Jürgen Machann, Norbert Stefan, Robert Wagner, Malte Bongers, Erwin Schleicher, Andreas Fritsche, Hans-Ulrich Häring, Konstantin Nikolaou, Fritz Schick
It is generally accepted that the amount and distribution of adipose tissue (AT) in the human body play an important role in the pathogenesis of metabolic diseases. In addition, metabolic effects of released saturated fatty acids (FAs) in blood are known to be more critical than those of unsaturated FAs. However, little is known about the variability in unsaturation of FAs in various AT compartments. The aim of this prospective study was the assessment of mono- and polyunsaturated FAs in various AT compartments by localized (1) H-MRS in order to obtain insight into the intra- and interindividual variability...
September 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28416405/development-validation-and-assessment-of-an-ischemic-stroke-or-transient-ischemic-attack-specific-prediction-tool-for-obstructive-sleep-apnea
#5
Jason J Sico, H Klar Yaggi, Susan Ofner, John Concato, Charles Austin, Jared Ferguson, Li Qin, Lauren Tobias, Stanley Taylor, Carlos A Vaz Fragoso, Vincent McLain, Linda S Williams, Dawn M Bravata
BACKGROUND: Screening instruments for obstructive sleep apnea (OSA), as used routinely to guide clinicians regarding patient referral for polysomnography (PSG), rely heavily on symptomatology. We sought to develop and validate a cerebrovascular disease-specific OSA prediction model less reliant on symptomatology, and to compare its performance with commonly used screening instruments within a population with ischemic stroke or transient ischemic attack (TIA). METHODS: Using data on demographic factors, anthropometric measurements, medical history, stroke severity, sleep questionnaires, and PSG from 2 independently derived, multisite, randomized trials that enrolled patients with stroke or TIA, we developed and validated a model to predict the presence of OSA (i...
April 14, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28382551/high-doses-of-vitamin-c-plus-e-reduce-strength-training-induced-improvements-in-areal-bone-mineral-density-in-elderly-men
#6
Astrid Kamilla Stunes, Unni Syversen, Sveinung Berntsen, Gøran Paulsen, Tonje H Stea, Ken J Hetlelid, Hilde Lohne-Seiler, Mats Peder Mosti, Thomas Bjørnsen, Truls Raastad, Glenn Haugeberg
PURPOSE: Resistance training is beneficial for maintaining bone mass. We aimed to investigate the skeletal effects of high doses of antioxidants [vitamin C + E (α-tocopherol)] supplementation during 12-week supervised strength training in healthy, elderly men METHODS: Design: double-blinded randomized placebo-controlled study. Participants followed a supervised, undulating periodic exercise program with weekly adjusted load: 3 sessions/week and 3-15 repetitions maximum (RM) sets/exercise...
June 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28376939/investigation-of-vitamin-d-status-and-its-correlation-with-insulin-resistance-in-a-chinese-population
#7
Bing Han, Xiaojin Wang, Ningjian Wang, Qin Li, Yi Chen, Chunfang Zhu, Yingchao Chen, Fangzhen Xia, Xiaoqi Pu, Zhen Cang, Chaoxia Zhu, Meng Lu, Ying Meng, Hui Guo, Chi Chen, Weiping Tu, Bin Li, Ling Hu, Bingshun Wang, Yingli Lu
OBJECTIVE: Although many studies worldwide have focused on the relationship between vitamin D and insulin resistance, results remain controversial. Furthermore, concentrations of serum 25-hydroxyvitamin D (25(OH)D) in the Chinese population are unclear. We aimed to investigate vitamin D status and its correlation with insulin resistance among a Chinese adult population. DESIGN: Serum 25(OH)D, fasting blood glucose, fasting insulin, glycated Hb (HbA1c) and other metabolic parameters were assessed...
June 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28188070/-inflammation-in-the-perivascular-adipose-tissue-and-atherosclerosis
#8
Nadjiba Hamlat-Khennaf, Samia Neggazi, Hanene Ayari, Patrick Feugier, Giampiero Bricca, Souhila Aouichat-Bouguerra, Michel Beylot
In atherosclerosis studies, there are few data, especially in men, on the biology of perivascular adipose tissue (PVAT) compared to that of other adipose tissue (AT), on amendments in obesity, and its possible role in the development of atherosclerosis. We conducted an ex vivo human study on pericarotid adipose tissue-collected in the immediate vicinity (PVATp) and away from the plate (tapas)-and subcutaneous (SC) neck gathered during surgery from patients suffering from atheromatous carotid disease. In addition, we conducted a study in obese Zucker rats (models of obesity and insulin resistance) and Wistar rats subjected to moderate stress...
March 2017: Comptes Rendus Biologies
https://www.readbyqxmd.com/read/28118051/the-relationship-between-brown-adipose-tissue-content-in-supraclavicular-fat-depots-and-insulin-sensitivity-in-patients-with-type-2-diabetes-mellitus-and-prediabetes
#9
Ekaterina Koksharova, Dmitry Ustyuzhanin, Yury Philippov, Alexander Mayorov, Marina Shestakova, Merab Shariya, Sergey Ternovoy, Ivan Dedov
BACKGROUND: The evaluation of brown adipose tissue (BAT) and its role in metabolism and obesity remains an important topic in the recent literature. This study evaluated the influence of the BAT triglyceride content measured by proton magnetic resonance (MR) spectroscopy in patients with type 2 diabetes mellitus (DM2) and prediabetes on insulin sensitivity. METHODS: A total of 25 patients with DM2 and prediabetes (45.9 ± 10.1 years old, body mass index [BMI] of 31...
February 2017: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/28034591/women-with-polycystic-ovary-syndrome-have-comparable-hip-bone-geometry-to-age-matched-control-women
#10
Laura E McBreairty, Gordon A Zello, Julianne J Gordon, Shani B Serrao, Roger A Pierson, Donna R Chizen, Philip D Chilibeck
Polycystic ovary syndrome (PCOS) is an endocrine disorder affecting women of reproductive age manifesting with polycystic ovaries, menstrual irregularities, hyperandrogenism, hirsutism, and insulin resistance. The oligomenorrhea and amenorrhea characteristic to PCOS are associated with low bone mineral density (BMD); conversely, the hyperandrogenism and hyperinsulinemia may elicit a protective effect on BMD. As bone geometric properties provide additional information about bone strength, the objective of this study was to compare measures of hip geometry in women with PCOS to a healthy female population...
December 26, 2016: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/27990384/a-descriptive-study-of-facial-acanthosis-nigricans-and-its-association-with-body-mass-index-waist-circumference-and-insulin-resistance-using-homa2-ir
#11
Shyam Verma, Resham Vasani, Rajiv Joshi, Meghana Phiske, Pritesh Punjabi, Tushar Toprani
INTRODUCTION: The term facial acanthosis nigricans (FAN) lacks definition of precise clinical and histopathological features. We present a descriptive study of patients with FAN to define pigmentary patterns and estimate the prevalence of obesity and insulin resistance in these cases. MATERIALS AND METHODS: It is a prospective study that included all patients with classical AN of the neck and/or other areas with facial acanthosis nigricans described as brown-to-black macular pigmentation with blurred ill-defined margins, found on the zygomatic and malar areas...
November 2016: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/27967300/clinical-features-and-management-of-non-hiv-related-lipodystrophy-in-children-a-systematic-review
#12
Nidhi Gupta, Noor Asi, Wigdan Farah, Jehad Almasri, Patricia Barrionuevo, Mouaz Alsawas, Zhen Wang, Morey W Haymond, Rebecca J Brown, M Hassan Murad
Context: Lipodystrophy syndromes are characterized by generalized or partial absence of adipose tissue. Objective: We conducted a systematic review to synthesize data on clinical and metabolic features of lipodystrophy (age at onset, < 18 years). Data Source: Sources included Medline, Embase, Cochrane Library, Scopus and Non-Indexed Citations from inception through January 2016. Study Selection: Search terms included lipodystrophy, and age 0 to 18 years...
February 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27930697/early-antenatal-prediction-of-gestational-diabetes-in-obese-women-development-of-prediction-tools-for-targeted-intervention
#13
RANDOMIZED CONTROLLED TRIAL
Sara L White, Debbie A Lawlor, Annette L Briley, Keith M Godfrey, Scott M Nelson, Eugene Oteng-Ntim, Stephen C Robson, Naveed Sattar, Paul T Seed, Matias C Vieira, Paul Welsh, Melissa Whitworth, Lucilla Poston, Dharmintra Pasupathy
All obese women are categorised as being of equally high risk of gestational diabetes (GDM) whereas the majority do not develop the disorder. Lifestyle and pharmacological interventions in unselected obese pregnant women have been unsuccessful in preventing GDM. Our aim was to develop a prediction tool for early identification of obese women at high risk of GDM to facilitate targeted interventions in those most likely to benefit. Clinical and anthropometric data and non-fasting blood samples were obtained at 15+0-18+6 weeks' gestation in 1303 obese pregnant women from UPBEAT, a randomised controlled trial of a behavioural intervention...
2016: PloS One
https://www.readbyqxmd.com/read/27908213/determinants-of-low-bone-mineral-density-in-premenopausal-polycystic-ovary-syndrome-patients
#14
Cihan Karadağ, Tevfik Yoldemir, Dilek Gogas Yavuz
OBJECTIVE: The aim of this study was to evaluate the bone mineral density (BMD) values and to determine the associations between BMD and insulin sensitivity, hyperandrogenemia, body mass index (BMI), and sex hormones in premenopausal polycystic ovary syndrome (PCOS) patients. METHODS: A hundred and three women with PCOS and sixty age- and BMI-matched healthy control women were enrolled to this cross-sectional study. Serum androgen and estradiol (E2) levels were measured...
March 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/27862896/homozygous-lipe-mutation-in-siblings-with-multiple-symmetric-lipomatosis-partial-lipodystrophy-and-myopathy
#15
Sagit Zolotov, Chao Xing, Riad Mahamid, Adel Shalata, Mohammed Sheikh-Ahmad, Abhimanyu Garg
Despite considerable progress in identifying causal genes for lipodystrophy syndromes, the molecular basis of some peculiar adipose tissue disorders remains obscure. In an Israeli-Arab pedigree with a novel autosomal recessive, multiple symmetric lipomatosis (MSL), partial lipodystrophy and myopathy, we conducted exome sequencing of two affected siblings to identify the disease-causing mutation. The 41-year-old female proband and her 36-year-old brother reported marked accumulation of subcutaneous fat in the face, neck, axillae, and trunk but loss of subcutaneous fat from the lower extremities and progressive distal symmetric myopathy during adulthood...
January 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/27766968/body-condition-score-morphometric-measurements-and-estimation-of-body-weight-in-mature-icelandic-horses-in-denmark
#16
Rasmus B Jensen, Signe H Danielsen, Anne-Helene Tauson
BACKGROUND: Obesity is related to the development of several diseases like insulin resistance and laminitis in horses. The prevalence of obesity among mature Icelandic horses in Denmark has not been investigated previously. This study aimed to find the prevalence of obesity, to compare body condition score (BCS) based on owner perception with that of an experienced person and to correlate the BCS to body weight (BW) and morphometric measures in a group of mature Icelandic horses in Denmark...
October 20, 2016: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/27755516/-woman-19-old-with-hirsutism-obesity-and-acanthosis-nigricans
#17
Anna Kępczyńska-Nyk, Marta Muszel, Mikołaj Radziszewski, Kamil Wocial
19-year-old hirsute woman with obesity, skin lesions with features of acanthosis nigricans around neck, armpits, thoracic cage and wrists escalating for couple of months, elevated testosterone and insulin plasma levels was admitted to hospital to perform diagnostic approach. The final diagnosis was hyperandrogenism-insulin resistance-acanthosis nigricans syndrome (HAIR-AN syndrome), considered as a subtype of policystic ovary syndrome (PCOS) and impaired glucose tolerance. HAIR-AN is characterized by coexistence of: hyperandrogenism (HA), insulin resistance (IR) and acanthosis nigricans (AN)...
September 29, 2016: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/27716204/insulin-growth-factor-1-like-receptor-igf-1r
#18
Gopal Iyer, James Price, Shay Bourgeois, Eric Armstrong, Shyhmin Huang, Paul M Harari
BACKGROUND: The epidermal growth factor receptor (EGFR) is frequently overexpressed in head and neck squamous cell carcinoma (HNSCC) and several other human cancers. Monoclonal antibodies, such as cetuximab that block EGFR signaling, have emerged as valuable molecular targeting agents in clinical cancer therapy. Prolonged exposure to cetuximab can result in cells acquiring resistance by a process that remains incompletely understood. METHODS: In this study, we analyzed the immediate early molecular response of cetuximab on physical interactions between EGFR and Insulin growth factor 1 like receptor (IGF-1R) in head and neck cancer cells that are resistant to cetuximab...
October 6, 2016: BMC Cancer
https://www.readbyqxmd.com/read/27477619/insulin-sensitivity-body-composition-and-adipose-depots-following-12-w-combined-endurance-and-strength-training-in-dysglycemic-and-normoglycemic-sedentary-men
#19
COMPARATIVE STUDY
Torgrim Mikal Langleite, Jørgen Jensen, Frode Norheim, Hanne Løvdal Gulseth, Daniel Steensen Tangen, Kristoffer Jensen Kolnes, Ansgar Heck, Tryggve Storås, Guro Grøthe, Marius Adler Dahl, Anders Kielland, Torgeir Holen, Hans Jørgen Noreng, Hans Kristian Stadheim, Atle Bjørnerud, Egil Ivar Johansen, Birgitte Nellemann, Kåre Inge Birkeland, Christian A Drevon
CONTEXT: Insulin resistance and dysglycemia are associated with physical inactivity and adiposity, and may be improved by exercise. OBJECTIVE: Investigate the effect of exercise on insulin sensitivity, body composition and adipose depots in sedentary men with (n = 11) or without (n = 11) overweight and dysglycemia. MATERIAL AND METHODS: Euglycemic-hyperinsulinemic clamp, ankle-to-neck MRI, MRS, muscle and adipose tissue biopsies before and after 12 weeks combined strength and endurance exercise...
October 2016: Archives of Physiology and Biochemistry
https://www.readbyqxmd.com/read/27457430/relation-of-body-circumferences-to-cardiometabolic-disease-in-overweight-obese-subjects
#20
Ernesto Maddaloni, Ilaria Cavallari, Mariangela De Pascalis, Hillary Keenan, Kyoungmin Park, Silvia Manfrini, Raffaella Buzzetti, Giuseppe Patti, Germano Di Sciascio, Paolo Pozzilli
Body circumferences have been proposed as potential anthropometric measures for the assessment of cardiometabolic risk as they are independently associated with insulin resistance and diabetes. The aim of this study was to validate neck and wrist circumference and waist-to-hip ratio as practical markers of metabolic dysfunction and atherosclerosis; 120 subjects who underwent coronary angiography and carotid Doppler ultrasound were enrolled in this cross-sectional study. Exclusion criteria were history of diabetes, acute myocardial infarction, body mass index (BMI) <18...
September 15, 2016: American Journal of Cardiology
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