Effects of transdermal and oral estrogen replacement on lipids and glucose metabolism in postmenopausal women with type 2 diabetes mellitus

Climacteric ◽  
2002 ◽  
Vol 5 (3) ◽  
pp. 286-292 ◽  
Author(s):  
D. A. C. Araújo ◽  
M. L. F. Farias ◽  
A. T. L. Andrade
2017 ◽  
pp. 99-111 ◽  
Author(s):  
I. RAŠKA ◽  
M. RAŠKOVÁ ◽  
V. ZIKÁN ◽  
J. ŠKRHA

Type 2 diabetes mellitus (T2DM) is associated with increased fracture risk; the underlying mechanism remains unexplained. This study aimed to investigate the relationships between body composition and bone and glucose metabolism in postmenopausal women with T2DM. Dual-energy X-ray absorptiometry was used to measure bone mineral density (BMD) and body composition. A total of 68 postmenopausal women with T2DM and 71 controls were eligible for the study. In contrast to normal BMD in T2DM, a similar prevalence of low-trauma fractures was observed in both groups. T2DM women had significantly higher Trunk fat% and A/G ratio and significantly lower Legs LM% and Legs FM%. Legs LM% was significantly lower in fractured T2DM group and negatively correlated with glycaemia and HbA1c (p<0.01). Serum osteocalcin was significantly lower in T2DM and inversely correlated with FM%, Trunk FM% and A/G ratio (p<0.01) and positively correlated with Legs FM% and total LM% (p<0.05). In conclusion, abdominal obesity and decrease in muscle mass may contribute to low bone formation in T2DM women. Further research is needed to unravel underlying pathophysiological mechanisms and to determine whether maintenance of muscle mass, especially in the lower extremities and/or reduction of central fat mass can prevent fractures.


2021 ◽  
Vol 22 (7) ◽  
pp. 3566
Author(s):  
Chae Bin Lee ◽  
Soon Uk Chae ◽  
Seong Jun Jo ◽  
Ui Min Jerng ◽  
Soo Kyung Bae

Metformin is the first-line pharmacotherapy for treating type 2 diabetes mellitus (T2DM); however, its mechanism of modulating glucose metabolism is elusive. Recent advances have identified the gut as a potential target of metformin. As patients with metabolic disorders exhibit dysbiosis, the gut microbiome has garnered interest as a potential target for metabolic disease. Henceforth, studies have focused on unraveling the relationship of metabolic disorders with the human gut microbiome. According to various metagenome studies, gut dysbiosis is evident in T2DM patients. Besides this, alterations in the gut microbiome were also observed in the metformin-treated T2DM patients compared to the non-treated T2DM patients. Thus, several studies on rodents have suggested potential mechanisms interacting with the gut microbiome, including regulation of glucose metabolism, an increase in short-chain fatty acids, strengthening intestinal permeability against lipopolysaccharides, modulating the immune response, and interaction with bile acids. Furthermore, human studies have demonstrated evidence substantiating the hypotheses based on rodent studies. This review discusses the current knowledge of how metformin modulates T2DM with respect to the gut microbiome and discusses the prospect of harnessing this mechanism in treating T2DM.


Nutrients ◽  
2021 ◽  
Vol 13 (2) ◽  
pp. 570
Author(s):  
Marina Yazigi Solis ◽  
Guilherme Giannini Artioli ◽  
Bruno Gualano

Creatine is one of the most popular supplements worldwide, and it is frequently used by both athletic and non-athletic populations to improve power, strength, muscle mass and performance. A growing body of evidence has been identified potential therapeutic effects of creatine in a wide variety of clinical conditions, such as cancer, muscle dystrophy and neurodegenerative disorders. Evidence has suggested that creatine supplementation alone, and mainly in combination with exercise training, may improve glucose metabolism in health individuals and insulin-resistant individuals, such as in those with type 2 diabetes mellitus. Creatine itself may stimulate insulin secretion in vitro, improve muscle glycogen stores and ameliorate hyperglycemia in animals. In addition, exercise induces numerous metabolic benefits, including increases in insulin-independent muscle glucose uptake and insulin sensitivity. It has been speculated that creatine supplementation combined with exercise training could result in additional improvements in glucose metabolism when compared with each intervention separately. The possible mechanism underlying the effects of combined exercise and creatine supplementation is an enhanced glucose transport into muscle cell by type 4 glucose transporter (GLUT-4) translocation to sarcolemma. Although preliminary findings from small-scale trials involving patients with type 2 diabetes mellitus are promising, the efficacy of creatine for improving glycemic control is yet to be confirmed. In this review, we aim to explore the possible therapeutic role of creatine supplementation on glucose management and as a potential anti-diabetic intervention, summarizing the current knowledge and highlighting the research gaps.


2017 ◽  
Vol 18 (1) ◽  
pp. 21-26
Author(s):  
Ayesha Jahan ◽  
Rokeya Begum ◽  
Khaled Bin Shamsuddin

Introduction: Osteoporosis and Diabetes Mellitus (DM) are common medical conditions in the society with an increasing prevalence in elderly people. Osteoporosis is more common in female than male and postmenopausal women are vulnerable to it.   Objective: The aim of this study was to verify the effect of type-2 diabetes mellitus on bone mineral density in postmenopausal women and, thereby, to evaluate the risk of osteoporosis in them.   Materials and Methods: This cross-sectional study was carried out at National institute of Nuclear Medicine and Allied Sciences (NINMAS), BSMMU campus, Shahbagh, Dhaka, over a period of one year. 175 postmenopausal women were enrolled as study subjects, among them 72 (41.10%) were diabetic and rest 103 (59.90%) were nondiabetic and they were assigned as Group-I and Group-II respectively. The bone mineral density (BMD) was measured by central DEXA device at lumbar spines and left femoral neck of each study subject.   Results: The mean (±SD) ages of group-I and group-II were 58.79 (±8.06) and 58.27 (±8.39) respectively with an age range of 45 to 75 years in both cases. A total of 30 (41.66%) patients in diabetic group (group-I) and 40 (38.83%) patients in non-diabetic (group-II) had osteoporosis at lumbar spines. On the other hand, 40 (56.94%) patients in group-I and 58 (56.31%) patients in group-II had osteoporosis at femoral neck. The Odds Ratios of osteoporosis for lumbar spines and femoral. neck were 1.125 and 1.026 respectively. The differences of frequencies of osteoporosis between group-I and group-II were not statistically significant at any anatomical site and the association between osteoporosis and type-2 diabetes mellitus was not significant. According to Odds Ratio type-2 diabetes mellitus was not a risk factor for developing osteoporosis in postmenopausal women.   Conclusion: Postmenopausal women are prone to develop osteoporosis and type-2 diabetes mellitus may have adverse influence on osteoporosis, which was supported by few previous studies. This study could not establish any significant effect of type-2 diabetes mellitus on osteoporosis in postmenopausal women.Bangladesh J. Nuclear Med. 18(1): 21-26, January 2015


2021 ◽  
Vol 3 (3) ◽  
Author(s):  
Lamia Oulkadi ◽  
Bouchra Amine ◽  
Imane El binoune ◽  
Samira Rostom ◽  
Rachid Bahiri

Type 2 diabetes mellitus (T2DM) and osteoporosis are chronic diseases with increasing prevalence. The aim of this study was to determine the prevalence of osteoporosis and osteoporotic fracture in women with T2DM and to identify predictive factors of fracture occurrence. The prevalence of osteoporosis and fractures in postmenopausal women with T2DM was 23.1% and 16.9%, respectively. 46.2% of T2DM patients had normal bone mineral density (BMD) (P<0.01) and 58.5% of control subjects had osteopenia (P<0.01). Incidence of fracture in T2DM patients with osteopenia was significantly increased versus control subjects when stratified according the BMD (P=0.009). By stratifying T2DM patients according to fractures, factors that were significantly associated with occurrence included T2DM duration (P=0.038), use of insulin (P=0.017), and lower BMD (P=0.048). Our study suggests that there was a higher prevalence of fracture in T2DM patients compared to control subjects and a significant difference in BMD was found between the groups. We also showed that insulin use, low BMD, and long duration of T2DM are factors associated with an increased risk of bone fracture.


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