Curcumin can improve serum levels of adiponectin and leptin in patients with metabolic syndrome. This trial was registered at the UMIN Clinical Trials Registry (http://www.umin.ac.jp/ctr/) under Trial No. UMIN000018339.
Background:Although chronic kidney disease-induced anemia is more prevalent in patients with diabetes mellitus (DM), anemia is a common finding prior to manifestation of kidney disease. In presence of some risk factors at the time of diagnosing DM, microvascular complications must be considered. The effect of anemia as a risk factor on progression of DM complications is still unclear.Objectives:The aim of the study was to determine the prevalence of anemia and its association with microvascular complications in patients with type 2 DM.Patients and Methods:This cross-sectional study was performed in the outpatient endocrinology clinic at Baqiyatallah University of Medical Sciences Hospital, Tehran, Iran. Study was done from February 2011 to February 2012. Patients with type 2 DM without any obvious symptom or sign of anemia were included in study.Results:A total of 93 patients (30.4%) had anemia including 46 (15.1%) with normochromic normocytic, 44 (14.4%) with hyperchromic microcytic, and 3 (1%) with hyperchromic macrocytic anemias. There was a positive correlation between duration of DM and anemia. Microvascular complications were more frequent with normocytic or microcytic anemias. Glomerular filtration rate (GFR) was higher in patients without anemia; moreover, nephropathy was less frequent among them. Among patients with anemia, 43% had GFR of more than 90 mL/min and 19.4% had normoalbuminuria. Neuropathy, nephropathy, and retinopathy had strong association with anemia (odds ratio of 1.99, 1.7, and 1.5, respectively).Conclusions:Anemia is a common complication of DM and is associated with duration of disease and microvascular complications.
Using a surgically induced varicocele rat model, we show here strong evidence that the misfolded/unfolded protein response that is part of the stress response of the endoplasmic reticulum (ER) is activated in the varicocele testis (VCL), leading to the induction of apoptosis. To support this hypothesis, it is observed that the spliced variant of the X-box protein 1 (XBP1s), resulting from the activation of the inositol-requiring enzyme 1 (IRE1) membrane sensor, is significantly more represented in VCL testicular extracts. The activation of the IRE1/XBP1s pathway is also supported by the observation that the VCL testes show an increase phosphorylation of the c-Jun-kinase (JNK) known to be one intermediate of this pathway and an increased level of caspase-3, the terminal apoptotic effector, partly explaining the apoptotic status of the VCL testis.
Phytoestrogens with a biological activity like estradiol are naturally found in many plants. This study was designed to investigate the effect of red clover, a phytoestrogen-rich member of the legume family (Trifolium pratense) on the development of atherosclerosis in male hyperlipidemic rabbits. Twenty rabbits were semi-randomly distributed into four groups of five each. Two groups received either normal diet or normal diet supplemented with red clover. Two other groups received similar diets to both of which 1% cholesterol was added. Dietary use of red clover (RC) in hyperlipidemic rabbits significantly decreased C-reactive protein (CRP), triglyceride (TG), total cholesterol and LDL-cholesterol (LDL-C) whereas, HDL-cholesterol (HDL-C) was significantly increased in those animals (p < 0.05). Fatty streak formation was also significantly lower in aorta and left and right coronary arteries in the same animals due to use of dietary RC supplementation. These findings suggest that dietary RC may reduce cardiovascular risk factors.
Breast cancer incidence has increased
in recent decades. In the
present study, an optimum formulation of chitosan (CS)-adorned niosome-based
nanocarriers for co-delivery of doxorubicin (DOX) and vincristine
(VIN) was developed for the treatment of breast cancer to reduce drug
doses and overcome multidrug resistance. The three-level Box–Behnken
method was utilized to optimize the particles in terms of size, polydispersity
index (PDI), entrapment efficacy (EE (%)), and percent of drug release
(%). The release rate of two drugs from CS-adorned nanoparticles (DOX+VIN/Nio/CS)
in acidic and physiological pH is less than uncoated niosome (DOX+VIN/Nio).
In addition, acidic pH increases the release rate of drugs from these
formulations. The size, polydispersity index, and entrapment efficacy
of nanoparticles were more stable at 4 °C compared to 25 °C.
MTT assay showed that the IC50 of DOX+VIN/Nio/CS is the
lowest value between all fabricated formulations. We evaluated the
cancer metastasis and migration (MMP2, MMP9) and transcriptional targets
for the tumor suppressor protein (Bax, Bcl2) that induces cell cycle
arrest or apoptosis in response to DNA. Bax gene was highly expressed,
while the Bcl2, MMP2, and MMP9 genes decreased in DOX+VIN/Nio/CS compared
to control, free forms of DOX, VIN, DOX+VIN, and DOX+VIN/Nio. DOX+VIN/Nio/CS
inhibited cell migration and increased apoptosis, cell uptake, and
endocytosis in human SKBR3 breast cancer cells compared to DOX, VIN,
DOX+VIN. These in vitro data are promising to treat breast cancer
with advanced pH-responsive drug release nanoformulations.
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