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1.
The Journal of Practical Medicine ; (24): 3379-3383, 2017.
Article in Chinese | WPRIM | ID: wpr-658433

ABSTRACT

Objective To explore the effects of DPP-4 inhibitor sitagliptin on insulitis of NOD mice and the potential mechanism. Methods 223-month-old female NOD mice were randomly divided into Sitagliptin(Si-ta)group(n=11)gavaged with Sita(30 mg/Kg)daily for 12 weeks and control(Con)group with equal volume of normal saline(NS). The body weight,food-intake,water-intake and blood glucose were recorded weekly. Intraperi-toneal glucose tolerance test(IPGTT)was performed at the end of treatment and the blood sample was collected. Then mice were execute. The serum insulin level was measured by ELISA. Pancreas morphology and insulitis were evaluated by hematoxylin-eosin staining. The protein expression level of TLR4 ,MyD88 and NF-κB was analyzed by Western Blot. Results Compared with that of Con group ,the insulitis of Sita group was significantly alleviative(P < 0.05)and the serum insulin level was increased significantly(P < 0.05). The protein expression level of TLR4(P<0.05),MyD88(P<0.01)and NF-κB(P<0.05)in Sita group was significantly decreased. Conclusion Sitagliptin alleviates insulitis in NOD mice and increases the serum insulin level ,probably owing to the suppression of TLR4/MyD88/NF-κB signaling pathway.

2.
The Journal of Practical Medicine ; (24): 3379-3383, 2017.
Article in Chinese | WPRIM | ID: wpr-661352

ABSTRACT

Objective To explore the effects of DPP-4 inhibitor sitagliptin on insulitis of NOD mice and the potential mechanism. Methods 223-month-old female NOD mice were randomly divided into Sitagliptin(Si-ta)group(n=11)gavaged with Sita(30 mg/Kg)daily for 12 weeks and control(Con)group with equal volume of normal saline(NS). The body weight,food-intake,water-intake and blood glucose were recorded weekly. Intraperi-toneal glucose tolerance test(IPGTT)was performed at the end of treatment and the blood sample was collected. Then mice were execute. The serum insulin level was measured by ELISA. Pancreas morphology and insulitis were evaluated by hematoxylin-eosin staining. The protein expression level of TLR4 ,MyD88 and NF-κB was analyzed by Western Blot. Results Compared with that of Con group ,the insulitis of Sita group was significantly alleviative(P < 0.05)and the serum insulin level was increased significantly(P < 0.05). The protein expression level of TLR4(P<0.05),MyD88(P<0.01)and NF-κB(P<0.05)in Sita group was significantly decreased. Conclusion Sitagliptin alleviates insulitis in NOD mice and increases the serum insulin level ,probably owing to the suppression of TLR4/MyD88/NF-κB signaling pathway.

3.
Chinese Journal of Geriatrics ; (12)2000.
Article in Chinese | WPRIM | ID: wpr-539715

ABSTRACT

Objective To investigate osteoporosis prevalence in the elderly with type 2 diabetics. Method Osteoporosis prevalence in 338 elderly patients with type 2 diabetics (60-69 and 70-79 years old, respectively) was compared with 199 non-elderly (50-59 years old) patients and 531 elderly subjects from local reference data. Bone mineral density was measured at lumbar spine and proximal femur in DPX-L. Results (1) In female patients, osteoporosis prevalence at both sites in the elderly group was higher than that in non-elderly group (all P

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