The International Journal of Romanian Society of Endocrinology / Registered in 1938

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  • General Endocrinology

    Lu YL, L. Ye, H. Wu, F.Z. Xia, J. Yu, Yang LZ

    The up-regulated expression of both phospholipase A2 and cyclooxygenase-2 is involved in renal injury in streptozotocin-induced diabetic rats

    Acta Endo (Buc) 2013 9(1): 23-32 doi: 10.4183/aeb.2013.23

    Context. Recent evidence has stressed that many proinflammatory factors are particularly conducive to the progression of diabetic nephropathy, but the mechanisms underlying the changes are poorly understood. Objective. The purpose of this study was to investigate if up-regulated expression of both phospholipase A2 (PLA2) and cyclooxygenase-2 (COX-2) is involved in renal damage and micro-inflammatory state in streptozotocin-induced diabetic rats. Animals and methods. Sixteen Sprague Dawley rats were randomly divided into 2 groups: control group and diabetes group. Animals in diabetes group were treated with intraperitoneal injection of streptozotocin. Eight weeks later, rat renal tissue was studied with light and transmission electron microscopes, and PLA2 and COX-2 and their mRNA expression were examined by immunohistochemistry and reverse transcription polymerase chain reaction, respectively. Results. The renal pathological lesions in diabetes group were obvious, including increased amounts of mesangial matrix, thickening of the glomerular and tubular basement membranes and fusion and effacement of the adjacent podocyte foot processes. Infiltrating inflammatory cells were observed in the tubules. Compared with control group, the expression of cytosolic PLA2 and COX-2 was significantly increased in diabetes group. Conclusions. It uncovers that the PLA2-COX-2 pathway may lead to renal inflammation associated with renal damage in streptozotocin- induced diabetic rats.
  • Letter to the Editor

    Shao J, Wu X, Liu X, Qi J, Qi Z

    The Correlation between Neck Circumference and Umbilical Artery Blood Flow in Physiologic Pregnancies

    Acta Endo (Buc) 2018 14(2): 268-271 doi: 10.4183/aeb.2018.268

    Objective. To study the correlation between neck circumference(NC) and umbilical artery blood flow in physiologic pregnancies. Methods. One hundred and one healthy pregnant woman in the third trimester were enrolled. Anthropometric measurements and ultrasonic testing were done. Results. The women with NC ≥34.7cm had a more elevated umbilical artery pulsatility index(PI) and systolic/diastolic ratio (S/D) than the women with NC <34.7cm (P<0.01). NC were positively correlated with PI(r=0.224,P=0.024) and S/D ratio(r=0.415,P=0.0001). In multivariate analysis, NC was independently associated with PI (β=0.026, P=0.016) and S/D ratio (β=0.132, P=0.0001). Conclusions. Obesity has an adverse impact on feto-placetal vessels, and NC was superior to body mass index.
  • General Endocrinology

    Wen F, Zhou L, Wu X, Xia S, Sun C, Yang Z

    Characterization of mIRNA and mRNA Expression Profiles in Normal and Resistin-Treated Mouse Liver by Microarray

    Acta Endo (Buc) 2015 11(3): 284-293 doi: 10.4183/aeb.2015.284

    Aims. To investigate the changes in the miRNAs and mRNAs expressed in the liver upon induction of “hyperresistinemia”. Methods. We identified mRNA and miRNAs that were differentially expressed between normal and resistin-treated liver tissue using microarrays. Expression was validated using quantitative RT-PCR (qRT-PCR). The putative targets and pathways of the differentially expressed miRNAs and mRNAs were investigated, respectively, using various computational algorithms. In addition, the interactions between differentially expressed miRNAs and mRNAs were analyzed. Results. After the filtration of the signals below the threshold level, we identified 34 miRNAs and 875 genes with expression levels different by more than 1.5-fold and 2.0-fold, respectively, between the two groups. These observations were confirmed by qRT-PCR. Bidirectional prediction analyses showed that the differentially expressed miRNAs may be inversely regulated by their predicted targets. Conclusion. Hyperresistinemia results in changes in the miRNAs and mRNAs expressed in the liver.
  • Endocrine Care

    Wu YC, Huang CN, Chen YJ, Kornelius E, Lu YL, Lin YT, Li CL, Yang YS

    Application of Self-Regulatory Behavioral Management in Postprandial Self-Blood Glucose Monitoring for Noninsulin Treated Type 2 Diabetic Patients

    Acta Endo (Buc) 2014 10(4): 629-639 doi: 10.4183/aeb.2014.629

    Aim. The purpose of this study is to investigate the effect of self-monitoring of blood glucose (SMBG) on glycemic control in insulin-naive type 2 diabetic patients comparing SMBG plus self-regulatory behavioral education, and SMBG plus individual education. Methods. Participants with glycated hemoglobin A1C (HbA1C) of 7.5-12% were enrolled in this 24-week, prospective study. Forty-two and forty participants received SMBG plus selfregulatory behavioral education, and SMBG plus individual education, respectively. The glycemic and behavioral attitudes outcomes were evaluated. Results. The A1C level decreased in both groups, from 9.41± 1.7% to 7.84± 0.83% in the SMBG plus self-regulatory behavioral education and 9.62 ±1.08% to 9.09± 1.1% in the SMBG plus individual education. However, the postprandial glucose (PPG) level sustained more significant decreases from 277.1 ±80.1 to 175.7 ±53.9 mg/dL in the SMBG plus self-regulatory behavioral education, and from 261.2 ±80.5 to 221.6 ±41.2 mg/dL in the SMBG plus individual education. The frequency of PPG monitoring increased from 0.1 ± 0.81 to 3.46 ± 2.81 times/week in SMBG plus self-regulatory behavioral education, whereas it increased from 0.13± 0.78 to 1.01± 0.89 in SMBG plus individual education. The amount of carbohydrates consumed per day decreased and the amount of physical activity performed per week increased significantly in self-regulatory behavioral education group. Conclusions. The use of this model of SMBG plus self-regulatory behavior education appears to have resulted in superior improvements in glycemic control and behavioral outcomes compared with those achieved by SMBG plus individual education.