Some metabolic diseases, such as diabetes and hyperlipidemia, are associated with a state of inflammation, which adversely affects cardiovascular health. Emerging evidence suggests that long-term hyperactivation of innate immune cells and their bone marrow progenitors, termed trained immunity, functions to accelerate atherosclerosis and its complications in cardiometabolic diseases. This review will focus on how trained immunity is established, particularly through metabolic and epigenetic reprogramming, to cause persistent and deleterious changes in immune cell function, even after the original stimulus has been corrected or removed.
View Article and Find Full Text PDFNutrients
April 2022
This systematic review and meta-analysis provides a synthesis of the available evidence for the effects of interventions on outcome measures associated with sarcopenia in end-stage kidney disease (ESKD). Thirteen databases were searched, supplemented with internet and hand searching. Randomised controlled trials of non-pharmacological or pharmacological interventions in adults with ESKD were eligible.
View Article and Find Full Text PDFJ Cachexia Sarcopenia Muscle
April 2022
Background: Skeletal muscle wasting and dysfunction are common characteristics noted in people who suffer from chronic kidney disease (CKD). The mechanisms by which this occurs are complex, and although progress has been made, the key underpinning mechanisms are not yet fully elucidated. With work to date primarily conducted in nephrectomy-based animal models, translational capacity to our patient population has been challenging.
View Article and Find Full Text PDFBMJ Open
October 2021
Background: Cardiovascular disease (CVD) is a major cause of morbidity and mortality in kidney transplant recipients (KTRs). CVD risk scores underestimate risk in this population as CVD is driven by clustering of traditional and non-traditional risk factors, which lead to prognostic pathological changes in cardiovascular structure and function. While exercise may mitigate CVD in this population, evidence is limited, and physical activity levels and patient activation towards exercise and self-management are low.
View Article and Find Full Text PDFIn human metabolic syndrome and type II diabetes, methylglyoxal (MG), D-lactate, and several cytokines have been recognized as biomarkers of important metabolic and inflammatory processes. Equine metabolic syndrome (EMS) shares many similarities with these human counterparts. The objectives of this cross-sectional study were to compare body condition score (BCS), cresty neck score (CNS), resting insulin, MG, D-lactate, L-lactate, tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), and monocyte chemoattractant protein-1 (MCP-1) between horses with and without insulin dysregulation, as classified via combined glucose and insulin test (CGIT).
View Article and Find Full Text PDFIn chronic kidney disease (CKD), handgrip strength (HGS) is recommended as a surrogate measure of protein-energy status and functional status. However, it is not routinely used because of inconsistencies such as the optimal timing of the HGS measurement and unclear guidance regarding technique. We aimed to determine the extent of variation in the protocols and methods of HGS assessment.
View Article and Find Full Text PDFExtracorporeal shock wave therapy (ESWT) research has prioritized mechanism of action and efficacy. Data regarding frequency of use and clinical opinion are not available. A web-based survey was offered to members of the American Association of Equine Practitioners; 144 responses were obtained.
View Article and Find Full Text PDFA retrospective study determined the prevalence of obesity and over-conditioning in horses in Saskatoon, Saskatchewan. Body condition score (BSC) was assessed for 290 horses from the Field Service practice at the Western College of Veterinary Medicine. The median BSC of horses was 6; however, 59 (20.
View Article and Find Full Text PDFAcupuncture is used without strong scientific evidence to treat many diseases of the horse, including palmar heel pain. Research is needed to provide evidence for the application of these treatments. Within the confines of our study, acupuncture did not reliably modulate palmar heel pain in horses.
View Article and Find Full Text PDFWe assessed whether quality of maternal and newborn health services is influenced by presence of HIV programs at Kenyan health facilities using data from a national facility survey. Facilities that provided services to prevent mother-to-child HIV transmission had better prenatal and postnatal care inputs, such as infrastructure and supplies, and those providing antiretroviral therapy had better quality of prenatal and postnatal care processes. HIV-related programs may have benefits for quality of care for related services in the health system.
View Article and Find Full Text PDFChronic hyperglycemia induces insulin resistance by mechanisms that are incompletely understood. One model of hyperglycemia-induced insulin resistance involves chronic preincubation of adipocytes in the presence of high glucose and low insulin concentrations. We have previously shown that the mTOR complex 1 (mTORC1) plays a partial role in the development of insulin resistance in this model.
View Article and Find Full Text PDFThioredoxin-interacting protein (Txnip) is a metabolic regulator, which modulates insulin sensitivity and likely plays a role in type 2 diabetes. We studied the regulation of Txnip in 3T3-L1 adipocytes. Cells were incubated under different conditions and Txnip was measured by immunoblotting.
View Article and Find Full Text PDFThis report describes a primiparous 8-year-old Morgan mare, which displayed premature lactation that began at approximately 240 d of gestation and lasted approximately 4 wk. The premature lactation resolved spontaneously, and the pregnancy was subsequently carried to full term with the delivery of a live foal and a mummified fetus.
View Article and Find Full Text PDFBackground: House fly control in livestock-rearing facilities is heavily reliant on the use of the larvicide cyromazine. While extensive use of this compound has led to the development of resistance in several countries, no elevated tolerance has so far been reported from the United Kingdom.
Results: Tolerance to cyromazine in larvae derived from a field strain collected at an intensive pig unit was significantly elevated over that of insects taken from a susceptible laboratory strain.
Am J Physiol Endocrinol Metab
May 2008
High-glucose/low-dose insulin-mediated insulin resistance of glucose transport was studied in 3T3-L1 adipocytes. In this model, proximal insulin signaling, including insulin receptor substrate (IRS)-1-bound phosphatidylinositol 3-kinase (PI 3-kinase) activation, is preserved, but insulin-stimulated protein kinase B (Akt) activation is markedly impaired. To assess a difference in acute insulin-stimulated production of phosphatidylinositol 3,4,5-trisphosphate [PtdIns(3,4,5)P3], cells were labeled with [32P]orthophosphate, and glycerophosphoinositides were quantified by HPLC.
View Article and Find Full Text PDFAm J Physiol Endocrinol Metab
March 2007
3T3-L1 adipocytes develop insulin-resistant glucose transport upon preincubation with high (25 mM) glucose, provided that insulin (0.6 nM) is included, Akt activation is impaired, and high glucose and insulin act synergistically. Considerable evidence suggests that increased glucose flux via the hexosamine biosynthesis pathway enhances the O-GlcNAc modification (O-GlcNAcylation) of some critical protein(s) that may contribute to insulin resistance.
View Article and Find Full Text PDFAm J Physiol Endocrinol Metab
December 2006
Tribbles 3 (TRB3) is a recently recognized atypical inactive kinase that negatively regulates Akt activity in hepatocytes, resulting in insulin resistance. Recent reports link TRB3 to nutrient sensing and regulation of cell survival under stressful conditions. We studied the regulation of TRB3 by glucose, insulin, dexamethasone (Dex), and the unfolded protein response (UPR) in 3T3-L1 adipocytes and in L6 myotubes.
View Article and Find Full Text PDFProg Neuropsychopharmacol Biol Psychiatry
January 2006
The newer, atypical antipsychotic drugs have improved the treatment of schizophrenia and are widely used. A disadvantage is that they increase food intake, promote weight gain and may facilitate development of diabetes. The mechanism of the latter effect is controversial.
View Article and Find Full Text PDFEmerg Infect Dis
April 2003
From January 1997 to April 1999, we determined attack rates for cases of invasive group A streptococcal (GAS) disease in household contacts of index patients using data from Active Bacterial Core Surveillance sites. Of 680 eligible index-patient households, 525 (77.2%) were enrolled in surveillance.
View Article and Find Full Text PDFAm J Physiol Endocrinol Metab
August 2002
O-linked glycosylation on Ser/Thr with single N-acetylglucosamine (O-GlcNAcylation) is a reversible modification of many cytosolic/nuclear proteins, regulated in part by UDP-GlcNAc levels. Transgenic (T) mice that overexpress GLUT1 in muscle show increased basal muscle glucose transport that is resistant to insulin stimulation. Muscle UDP-GlcNAc levels are increased.
View Article and Find Full Text PDFAm J Physiol Endocrinol Metab
March 2002
Unlabelled: 3T3-L1 adipocytes develop insulin-resistant glucose transport upon preincubation with high glucose or glucosamine, provided insulin (0.6 nM) is present during preincubation. Insulin receptor substrate-1 (IRS-1)-associated phosphatidylinositol (PI) 3-kinase activity is unaffected (30).
View Article and Find Full Text PDFPreincubation of 3T3-L1 adipocytes in high glucose or glucosamine decreases acute insulin (100 nm)-stimulated glucose transport provided that insulin (0.6 nm) is included during preincubation. GLUT4 expression is unchanged (Nelson, B.
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