Comparison of the Effects of Prophylactic and Therapeutic Administrations on Peripheral Neuropathy in Streptozotocin-Diabetic Rats with Gliclazide or Methylcobalamin

2018 ◽  
Vol 128 (10) ◽  
pp. 635-643
Author(s):  
Hongping Yao ◽  
Juanyi Feng ◽  
Qiaowei Zheng ◽  
Youxia Wei ◽  
Guangde Yang ◽  
...  
Keyword(s):  
Peripheral Neuropathy ◽  
Diabetic Neuropathy ◽  
Enzyme Activities ◽  
Diabetic Peripheral Neuropathy ◽  
Motor Nerve ◽  
Diabetic Rats ◽  
Antioxidative Enzyme ◽  
Prophylactic Administration ◽  
Antioxidative Enzyme Activities ◽  
Therapeutic Administration

Abstract Objective To observe the differences in curative effects between prophylactic and therapeutic administrations of Gliclazide (GLZ) or Methylcobalamin (MCA) on diabetic peripheral neuropathy in rats. Methods GLZ (25 mg/kg/day) or MCA (175 μg/kg/day) was orally administrated prophylactically to streptozotocin-induced diabetic rats for 8 weeks before diabetic peripheral neuropathy developed or administrated therapeutically after diabetic peripheral neuropathy developed, respectively. The motor nerve conduction velocities (MNCV), aldose reductase (AR) activities, the polyol contents and antioxidative enzyme activities in the sciatic never tissues were determined. The morphology of sciatic never tissues was observed. Results In comparison to vehicle, most of the changes in the sciatic nerves of the diabetic rats (e. g., delayed MNCV, altered/damaged nerve structure, enhanced AR activity, increased polyol contents, altered Cu, Zn-superoxide dismutase, glutathione-peroxidase activities, and elevated malondialdehyde level) were significantly ameliorated by prophylactic administration with either GLZ or MCA. In contrast, only few of above-mentioned parameters were alleviated in DPN rats by therapeutic administration with GLZ or MCA as compared to vehicle. The curative effects of GLZ or MCA prophylactic administration on MNCV, AR activity, polyol contents and antioxidative enzyme activities were markedly stronger than therapeutic administration. Conclusion Prophylactic administration of GLZ or MCA was superior to the therapeutic administration in alleviation of diabetic neuropathy in STZ-rats, suggesting that pharmacotherapy should be initiated at a much earlier stage before diabetic neuropathy developed, but not at a later stage after never damage reached.

The Preventive Effect of IL-1beta Antagonist on Diabetic Peripheral Neuropathy

2020 ◽  
Vol 20 (5) ◽  
pp. 753-759 ◽  
Author(s):  
Zheng Hangping ◽  
Han Ling ◽  
Ji Lijin ◽  
Zhao Wenting ◽  
Liu Xiaoxia ◽  
...  
Keyword(s):  
Electron Microscopy ◽  
Transmission Electron Microscopy ◽  
Peripheral Neuropathy ◽  
Diabetic Neuropathy ◽  
Diabetic Peripheral Neuropathy ◽  
Interleukin 1 ◽  
Diabetic Rats ◽  
Transmission Electron ◽  
Potential Strategy ◽  
The Relationship

Objective: To investigate the relationship between Interleukin-1beta (IL-1beta) and diabetic peripheral neuropathy (DPN) using animal models. Materials: The rat model of diabetic neuropathy was induced by intraperitoneal injection of a single dose of streptozotocin (STZ) at 65mg/kg. Diabetic rats were randomly divided into two groups (10 each), one treated with 0.9% saline (DMS group) and the other with interleukin-1 receptor antagonist (IL-1RA) at 50mg/kg (DMI group) twice a day for 5 weeks. Ten normal rats matched for weight, age and sex served as normal controls (Con group) and were treated with saline. Morphologic studies of sciatic nerves were achieved using light and transmission electron microscopy. Results: Transmission electron microscopy of the sciatic nerve showed the ultrastructure of myelin and the axon in the IL-1RA group was highly protected compared to diabetic controls. Conclusions: High levels of circulating IL-1beta may be associated with the risk of DPN and anti-IL-1 treatment may provide a potential strategy for the prevention of diabetic neuropathy.

scholarly journals Arabic gum acacia improves diabetic peripheral neuropathy in rats: a biochemical and histopathological evidence

2018 ◽  
Vol 7 (6) ◽  
pp. 1065
Author(s):  
Hailah M. Almohaimeed ◽  
Hanan A. Amin ◽  
Gamal S. Abd El-Aziz ◽  
Hamed A. Saleh
Keyword(s):  
Peripheral Neuropathy ◽  
Locomotor Activity ◽  
Sciatic Nerve ◽  
Diabetic Neuropathy ◽  
Lipid Profile ◽  
Diabetic Peripheral Neuropathy ◽  
Diabetic Rats ◽  
Nerve Fibers ◽  
Diabetic Group ◽  
Arabic Gum

Background: Diabetic peripheral neuropathy (DPN) is a frequent complication of diabetes mellitus and unfortunately, its present therapeutic alternatives are exceptionally poor. Objectives of this study was to assess the antidiabetic, antioxidant and hypolipidemic action of Gum Arabic (GA) and its role in promoting the functional recovery from diabetic neuropathy developed in in an experimental model of diabetic neuropathy.Methods: Sixty adult male Sprague-Dawley rats were utilized and randomly assigned into six groups (n= 10); control, Arabic gum-treated, untreated diabetic, diabetic received metformin, diabetic received metformin and B12 vitamin and diabetic received metformin, B12 vitamin and AG. Locomotor activity and hyperalgesia were assed at the end of the study. Fasting and two hours post-prandial blood glucose, serum insulin levels, lipid Profile, oxidants/antioxidants parameters were assessed in the blood. Sciatic nerve was assessed histopathologically.Results: The locomotor activity of the untreated diabetic rats was significantly (p<0.001) reduced compared to the control group while it was significantly increased in all treated groups. The lipid profile and Malondialdehyde were significantly improved in all treated groups. Levels of CAT, GSH, SOD, GPx were significantly decreased in untreated diabetic group compared to the control while they were significantly increased in all treated groups compared to the untreated diabetic group. Sciatic nerve fibers of untreated diabetic rats showed degenerated axons with dilated myelin sheaths and degenerated Schwann cells. The nerve had significantly fewer fiber compared to the control. These changes were alleviated in all the treated groups specifically that received metformin, vitamin B12 and GA.Conclusions: It could be concluded that Arabic gum had hypoglycemic, antioxidant and hypolipidemic activity and had a protective effect on diabetic neuropathy. Based on this it is recommended that human clinical trials are necessary to prove this therapeutic effect.

scholarly journals Sensory-Motor Mechanisms Increasing Falls Risk in Diabetic Peripheral Neuropathy

Medicina ◽  
2021 ◽  
Vol 57 (5) ◽  
pp. 457
Author(s):  
Neil D. Reeves ◽  
Giorgio Orlando ◽  
Steven J. Brown
Keyword(s):  
Peripheral Neuropathy ◽  
Diabetic Peripheral Neuropathy ◽  
Motor Nerve ◽  
Step Length ◽  
Falls Prevention ◽  
Motor Deficits ◽  
Falls Risk ◽  
Walking Gait ◽  
Risk Of Falls ◽  
Diabetes Patients

Diabetic peripheral neuropathy (DPN) is associated with peripheral sensory and motor nerve damage that affects up to half of diabetes patients and is an independent risk factor for falls. Clinical implications of DPN-related falls include injury, psychological distress and physical activity curtailment. This review describes how the sensory and motor deficits associated with DPN underpin biomechanical alterations to the pattern of walking (gait), which contribute to balance impairments underpinning falls. Changes to gait with diabetes occur even before the onset of measurable DPN, but changes become much more marked with DPN. Gait impairments with diabetes and DPN include alterations to walking speed, step length, step width and joint ranges of motion. These alterations also impact the rotational forces around joints known as joint moments, which are reduced as part of a natural strategy to lower the muscular demands of gait to compensate for lower strength capacities due to diabetes and DPN. Muscle weakness and atrophy are most striking in patients with DPN, but also present in non-neuropathic diabetes patients, affecting not only distal muscles of the foot and ankle, but also proximal thigh muscles. Insensate feet with DPN cause a delayed neuromuscular response immediately following foot–ground contact during gait and this is a major factor contributing to increased falls risk. Pronounced balance impairments measured in the gait laboratory are only seen in DPN patients and not non-neuropathic diabetes patients. Self-perception of unsteadiness matches gait laboratory measures and can distinguish between patients with and without DPN. Diabetic foot ulcers and their associated risk factors including insensate feet with DPN and offloading devices further increase falls risk. Falls prevention strategies based on sensory and motor mechanisms should target those most at risk of falls with DPN, with further research needed to optimise interventions.

Decreased neutrophil antioxidative enzyme activities and increased lipid peroxidation in hyperlipoproteinemic human subjects

1999 ◽  
Vol 279 (1-2) ◽  
pp. 155-165 ◽  
Author(s):  
Hasan Efe ◽  
Orhan Değer ◽  
Dursun Kirci ◽  
S.Caner Karahan ◽  
Asim Örem ◽  
...  
Keyword(s):  
Lipid Peroxidation ◽  
Enzyme Activities ◽  
Human Subjects ◽  
Antioxidative Enzyme ◽  
Antioxidative Enzyme Activities

scholarly journals Effect of Methyl Jasmonate on antioxidative enzyme activities and on the contents of ROS and H2O2 in Ricinus communis leaves

2010 ◽  
Vol 22 (3) ◽  
pp. 151-158 ◽  
Author(s):  
Alexandra Martins dos Santos Soares ◽  
Thiago Freitas de Souza ◽  
Tânia Jacinto ◽  
Olga Lima Tavares Machado
Keyword(s):  
Methyl Jasmonate ◽  
Enzyme Activities ◽  
Ricinus Communis ◽  
Antioxidative Enzyme ◽  
Antioxidative Enzyme Activities

scholarly journals The Changes of Nerve Growth Factor Serum Levels After External Muscle Stimulation and The Correlation with Diabetic Neuropathy Symptom in Diabetic Peripheral Neuropathy

2017 ◽  
Vol 6 (01) ◽  
pp. 7
Author(s):  
Dian Herdiansyah ◽  
Marina Annete Moeliono ◽  
Tertianto Prabowo
Keyword(s):  
Nerve Growth Factor ◽  
Peripheral Neuropathy ◽  
Growth Factor ◽  
Diabetic Neuropathy ◽  
Diabetic Peripheral Neuropathy ◽  
Significant Negative Correlation ◽  
Muscle Stimulation ◽  
Study Objective ◽  
Nerve Growth ◽  
Before And After

Background: Diabetic Peripheral neuropathy (DPN) is a common complication of diabetes mellitus. Recentstudies have demonstrated the involvement of Nerve growth factor (NGF) in the occurrence of DPN. TheDiabetes Mellitus was caused reduced the number and disruption of the function of the NGF. External MuscleStimulation (EMS) might be induced the NGF synthesis. The study objective has to found the effect of EMSon the NGF.Methods: Study design was before and after treatment without control on subjects with DPN. The bloodsample was taken before and after an intervention, as well as the Diabetic Neuropathy symptom (DNSym) andscore (DNSc). The EMS treated all of the participants within three times a week for four weeks.Results: There were 35 subjects were participated. Paired t-test showed a significant increase in NGF serumlevels and decrease both DNSym and DNSc with the difference value 12.64 ± 16.09 (p=0.000), 1.23 ± 0.82(p=0.000), 1.20 ± 0.85 (p=0.000). There was a significant negative correlation between NGF serum level withthe DNS- INA (r= -0.56; p=0.001) and the DNE-INA (r= -0.48; p=0.007).Conclusion: EMS treatment can increase serum NGF level. EMS has a strong correlation with a decrease inthe value of the DNS-INA and DNE-INA.Keywords: Diabetic Peripheral neuropathy, External Muscle Stimulation, Nerve Growth Factor.

scholarly journals PENGARUH AKUPUNKTUR JIN’S 3 NEEDLE TERHADAP PENURUNAN INTENSITAS NYERI DIABETIC NEUROPATHY PERIFER

2020 ◽  
Vol 4 (1) ◽  
pp. 46-51
Author(s):  
Leny Candra Kurniawan ◽  
Ikhwan Abdullah
Keyword(s):  
Peripheral Neuropathy ◽  
Side Effects ◽  
Diabetic Neuropathy ◽  
Diabetic Peripheral Neuropathy ◽  
Nerve Fibers ◽  
Significance Level ◽  
Peripheral Diabetic Neuropathy ◽  
Study Population ◽  
Sugar Levels ◽  
Needle Acupuncture

Diabetic Peripheral Neuropathy is a type of nerve damagethat occurs due to diabetes. High blood sugar levels in thelong term can cause damage to nerve fibers throughout thebody, such as legs, feet, blood circulation, heart, digestivesystem, and urinary tract. Diabetic Peripheral Neuropathy isa serious complication of diabetes that often causes pain inthe limbs. Pain management Diabetic Peripheral Neuropathyis usually by administering pain medication for a long periodof time. These medicines will have side effects. The use ofacupuncture as an alternative to help reduce the intensity ofpain in peripheral diabetic neuropathy has proven to beeffective and relatively without side effects. The advantage ofacupuncture therapy is that it has relatively no side effects.The general aim of this study is to reduce the intensity of painin peripheral neuropathy. The research design usesquantitative methods. The study population was all patientswith peripheral neuropathy who visited the Harmoni HealthyClinic in March-May 2019. The sampling method used wasaccidental sampling. The benefits of this study provide analternative for DM sufferers to reduce the intensity ofneuropathic pain naturally with acupuncture without fear.side effects. From the results of this study it is known thatthere is an influence of Jin’s Three Needle acupuncture inreducing the intensity of pain in Peripheral Neuropathy.Calculations using statistical SPSS 21 with paired sample ttest obtained significant results (0.00) from the value of α(0.05), then H1 is accepted. So with a significance level of5%, it can be concluded that Jin's Three Needle acupuncturecan reduce the intensity of pain in diabetic peripheralneuropathy

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