Concentrations of Glypican-4, Irisin and Total Antioxidant Status in Women with Metabolic Syndrome: Influence of Physical Activity.

Glypican-4 belongs to a group of poorly understood adipokines, with potential importance in people with metabolic syndrome, especially in groups of patients with glucose metabolism disorder. This study aimed to assess the effect of physical activity on serum glypican-4 and irisin levels and total antioxidant status (TAS) in plasma and saliva in women with metabolic syndrome (MetS). Seventy-two Caucasian women aged 25-60 were included in the study (36 women with MetS and 36 women without MetS (control group, CONTR)).

Association of Serum Omentin-1 Concentration with the Content of Adipose Tissue and Glucose Tolerance in Subjects with Central Obesity.

Omentin is one of the few adipokines with potentially beneficial metabolic effects. The main aim of this study was to determine the association between serum omentin-1 levels and the occurrence of central obesity and abnormal glucose tolerance, taking into account gender. The study involved 88 participants aged 30-60, including 47 women and 41 men.

The Association of Serum Circulating Neuropeptide Q and Chemerin Levels with Cardiometabolic Risk Factors among Patients with Metabolic Syndrome.

The potential involvement of neuropeptide Q (NPQ) and chemerin (CHEM) in metabolic disorders is yet to be fully elucidated. The aim of this study was to evaluate serum concentrations of NPQ and CHEM and to establish their relationship with cardiometabolic risk factors among individuals with metabolic syndrome. A total of 66 patients with metabolic syndrome (MetS) and 83 healthy volunteers (non-MetS) underwent biochemical, blood pressure, and anthropometric measurements.

Assessment of Selected Clock Proteins (CLOCK and CRY1) and Their Relationship with Biochemical, Anthropometric, and Lifestyle Parameters in Hypertensive Patients.

Background: Circadian rhythms misalignment is associated with hypertension. The aim of the study was to evaluate the concentration of selected clock proteins-cryptochrome 1 (CRY1) and circadian locomotor output cycles kaput (CLOCK) to determine their relationships with biochemical and anthropometric parameters and lifestyle elements (diet, physical activity, and quality of sleep) in hypertensive patients.

Methods: In 31 females with hypertension (HT) and 55 non-hypertensive women (NHT) the CRY1 and CLOCK concentrations, total antioxidant status (TAS), lipid profile, and glycemia were analyzed.

Evaluation of Vitamin D Fractions in Obese Hypertensive Patients.

Vitamin D fractions can be involved in the pathogenesis of metabolic disorders, but their concentrations are rarely determined. The aim of this study was to evaluate the concentration of vitamin D fractions in obese hypertensive patients and to determine its associations with anthropometric parameters, glucose levels, and lipid profiles. A total of 85 obese hypertensive patients (OBHT) and 40 nonobese nonhypertensive subjects (NOBNHT) underwent biochemical measurements of lipid profiles, glycemia, 25-hydroxyvitamin D (25(OH)D), free vitamin D (free25(OH)D), vitamin D binding protein, albumin levels.

Neuropeptide B and neuropeptide W as new serum predictors of nutritional status and of clinical outcomes in pediatric patients with type 1 diabetes mellitus treated with the use of pens or insulin pumps.

Introduction: The aim of our study was to determine the relationship between neuropeptide B (NPB), neuropeptide W (NPW), nutritional and antioxidant status and selected fat- and bone-derived factors in type 1 diabetes mellitus (T1DM) treated using pens (T1DM pen group) or insulin pumps (T1DM pump group) in order to investigate the potential role of NPB and NPW in the clinical outcomes of T1DM.

Material And Methods: Fifty-eight patients with T1DM and twenty-five healthy controls (CONTR) participated in the study. Assessments of NPB, NPW, total antioxidant status (TAS), leptin, adiponectin, osteocalcin, and free soluble receptor activator for nuclear factor κB (free sRANKL) were conducted.

Chemerin, Resistin, and Adiponectin in Patients with Connective Tissue Diseases.

Background: The exact role of cytokines in inflammation and metabolic disorders in case of connective tissue diseases (CTDs) is under discussion.

Methods: In this study, we intended to find the relationship between the selected cytokines in inflammatory and metabolic disorders in patients with CTDs (n=55) and compared the results with those of control group subjects (n=25) matched by age and body mass. We estimated their nutritional status by the bioimpedance method.

Neuropeptide B and Vaspin as New Biomarkers in Anorexia Nervosa.

Introduction: The aim of the study was to assess the correlation between the levels of neuropeptide B (NPB), neuropeptide W (NPW), vaspin (VAS), and the total antioxidant status (TAS) in the blood, as well as nutritional status of patients with anorexia nervosa (AN).

Materials And Methods: The study covered a cohort of 76 female teenagers, including 46 females with extreme AN and 30 healthy peers (CONTR) aged 12-17.

Results: AN persons were characterized by higher (in comparison to CONTR) NPB and VAS concentrations and lower values of TAS levels, body weight, and anthropometric values.

Vaspin (but not neuropeptide B or neuropeptide W) as a possible predictor of body weight normalization in anorexia nervosa.

Introduction: The aim of the study was to evaluate the correlation between the nutritional status of patients with anorexia nervosa (AN) and levels of vaspin (VASP), neuropeptide B (NPB), neuropeptide W (NPW) and total antioxidant status (TAS).

Material And Methods: Ninety serum samples collected from 30 teenage female patients during the acute stage of AN and 30 healthy persons (CONTR) were subjected to biochemical analysis; patients with AN were examined at the beginning of the study (AN-I) and after hospitalization (AN-II), as a result of which partial stabilization of anthropometric measurements was achieved (an increase of body mass index (BMI) by 3.5 kg/m).

Impact of 25-hydroxyvitamin D, free and bioavailable fractions of vitamin D, and vitamin D binding protein levels on metabolic syndrome components.

Introduction: Various forms of vitamin D and factors involved in their metabolism can play a role in the etiopathogenesis of metabolic disorders. This paper aims to define the relationship between concentration of the hydroxylated form of vitamin D (25(OH)D), the fraction of free and bioavailable vitamin D, and of vitamin D binding protein (VDBP) levels on the one hand and the prevalence of metabolic syndrome components on the other.

Material And Methods: The studies were conducted on 79 people, including 52 with metabolic syndrome (MetS+) and 27 without it (MetS-).

Concentrations of omentin and vaspin versus insulin resistance in obese individuals.

Introduction: Omentin and vaspin are adipokines manifesting a potentially protective action against obesity-associated metabolic disturbances.

Aim: Evaluation of relationship between serum concentrations of omentin and vaspin on one hand and indices of insulin resistance and anthropometric parameters in obese individuals on the other.

Material And Methods: The studies were conducted on 64 individuals.

Hypovitaminosis D and adipose tissue - cause and effect relationships in obesity.

In recent years, attention has been focused on pleiotropic directions of effects exerted by vitamin D. Epidemiological data indicate that deficiency of vitamin D in various population groups represents an increasingly widespread phenomenon, while a decreased serum concentration of calcitriol correlates with manifestation of civilization-linked diseases, including visceral obesity. This study aims at a review and synthesis of data linked to relationships between lowered vitamin D concentrations in blood and manifestation of obesity, and potential mechanisms which affect the concentration of the vitamin in conditions of an excessive accumulation of adipose tissue.

The use of low-carbohydrate diet in type 2 diabetes - benefits and risks.

The pharmacological treatment of type 2 diabetes is increasingly being supported by the recommendation of an appropriate diet. The purpose of this study is to identify the potential benefits and risks arising from the use of one of the modern models of low-carbohydrate diet in patients with type 2 diabetes. Research shows that diet can favourably affect the health of diabetic patients.

The influence of natural feeding on human health: short- and long-term perspectives.

Breastfeeding is the most appropriate way to nourish infants. It promotes proper physical and intellectual development of the child. Human milk is unique and impossible to replicate with any other kind of food.

Benefits and risks associated with genetically modified food products.

Scientists employing methods of genetic engineering have developed a new group of living organisms, termed 'modified organisms', which found application in, among others, medicine, the pharmaceutical industry and food distribution. The introduction of transgenic products to the food market resulted in them becoming a controversial topic, with their proponents and contestants. The presented study aims to systematize objective data on the potential benefits and risks resulting from the consumption of transgenic food.

Influence of prednisolone on glucose and uric acid transport across peritoneal membrane in vitro.

Prednisolone and other glucocorticosteroids are used by some peritoneal dialysis patients because of underlying diseases such as peritonitis. Although corticosteroids are potent inhibitors of various processes during inflammation, their influence on the transport properties of peritoneum is little known. Our study investigated the influence of prednisolone (0.

Influence of osmotic and oncotic factors on gentamicin and insulin transport across the peritoneal membrane in vitro.

Glucose or its polymer is usually added to dialysis solution for the development of sufficient ultrafiltration during peritoneal dialysis. The aim of the present study was to determine the influence of glucose and icodextrin on the transport of gentamicin and insulin from the mesothelial to the interstitial side of the peritoneal membrane. Transfer values are expressed as a coefficient of diffusive permeability, P, in centimeters per second.

Transperitoneal transport of uric acid: impact of p-cresol, sodium hyaluronan, and sodium deoxycholate in vitro.

Our study investigated uric acid transport across isolated parietal peritoneum taken from the anterior abdominal wall of white New Zealand rabbits and placed inside a modified Ussing-type chamber. Values for transfer from the mesothelial to the interstitial side of membrane (M --> I) were calculated using the mathematical model of mass transport and are expressed as a coefficient of diffusive permeability [P (in centimeters per second)]. Four separate series of experiments were done.

Urea transport across peritoneal membrane in vitro: influence of protamine sulfate, glyoxal, and methylglyoxal.

Charge factors and reactive carbonyl solutes may change peritoneal structure and the transport properties of peritoneum. The aim of the present study to analyze the influence of polycationic protamine and glucose degradation products on the diffusive permeability (P) of peritoneal membrane for urea in vitro. Values for diffusion from the interstitial (1) to the mesothelial (M) side of the membrane and in opposite direction are expressed as coefficients of diffusive permeability.

[Problems of peritoneal dialysis--history and research perspectives].

This paper specifies the peritoneal dialysis problems as a method of renal replacement therapy in a historical perspective. It pointed out to the dynamic development of peritoneal dialysis in the nineties and distinct slump of the presented treatment form at the turn of XXth and XXIst century, despite substantial progress in the dialysis techniques, effectiveness and biocompatibility of the therapy as well as a detailed evaluation of peritoneal function in vivo and in vitro. It showed descriptions and outline of the peritoneal cavity dating from ancient times, 19th-century animal experiments determining essential laws of peritoneal absorption and removal molecules, as well as the first peritoneal dialysis of a man which took place at the beginning of the 20th-century.

Hyaluronan influence on diffusive permeability of the peritoneum in vitro.

Hyaluronan (HA), an essential component of peritoneal extracellular matrix, participates in restoring peritoneal integrity and remodeling the peritoneum changed by prolonged peritoneal dialysis and repeated peritonitis episodes. The aim of the present study was to compare urea, creatinine, and uric acid transport across the peritoneal membrane in control conditions and after HA application. Experiments were undertaken using rabbit parietal peritoneum and a modified Ussing-type chamber.

[Peritoneum as a specific membrane].

This paper is a review of the literature describing the complexity of the peritoneal membrane structure and functions, mechanisms of the peritoneum failure as a dialyzing membrane and strategies for its protection during prolonged peritoneal dialysis.

Factors affecting icodextrin peritoneal transport in vitro.

We undertook in vitro experiments to examine the importance of mesothelium and interstitium in icodextrin (7.5 g/dL) transport and the change in that transport caused by gentamicin and methylglyoxal. Rabbit peritoneum, a modified Ussing chamber and a mathematical model of mass transport were used.

Icodextrin peritoneal transport in vitro: effect of sodium deoxycholate, glucose, and methylglyoxal.

The aim of the in vitro studies was to examine the effect of sodium deoxycholate, glucose, and methylglyoxal on icodextrin peritoneal transfer. The rabbit peritoneum in a modified Ussing chamber was an experimental model. Transport and morphometric analyses were performed.

Effect of hyaluronan and deoxycholate on transperitoneal insulin and albumin transport in vitro.

In patients with end-stage renal disease on peritoneal dialysis, the peritoneum is effectively utilized as an endogenous semipermeable membrane. Chemical agents may alter the structure of the peritoneum and induce changes in its transfer properties. The purpose of our in vitro study was to compare the influence of sodium hyaluronan (a cytoprotective glycosaminoglycan, 2000 kDa, 40 mg/dL) and sodium deoxycholate (an intense oxidative stress factor, 414 Da, 104 mg/dL) on the transfer of insulin (5.