Abstract：
:Several studies have indicated the involvement of oxidative stress and high glucose-induced cell death in the development of diabetic neuropathy. Satureja khuzestanica has been recommended in the literature as a remedy for the treatment of diabetes, and also contains antioxidant agents. Here, we investigated the possible neuroprotective effects of Satureja khuzestanica extract (SKE) on in vitro and in vivo models of diabetic neuropathy pain. High-glucose-induced damage to pheochromocytoma (PC12) cells and in streptozotocin-induced diabetic rats was studied. Tail-flick and rotarod treadmill tests were used to access nociceptive threshold and motor coordination, respectively. Cell viability was determined by MTT assay. Activated caspase 3 and Bax/Bcl-2 ratio-biochemical markers of apoptosis-were evaluated using immunoblotting. We found that elevating the glucose in the medium (to 4× normal) increased cell toxicity and caspase-3 activation in PC12 cells. Incubation with SKE (200 and 250 μg/ml) decreased cell damage. Furthermore, the diabetic rats developed neuropathy, which was evident from thermal hyperalgesia and motor deficit. Administering SKE at a daily dose of between 50 and 200 mg/kg to the diabetic animals for 3 weeks ameliorated hyperglycemia, weight loss, hyperalgesia, and motor deficit, inhibited caspase 3 activation, and decreased the Bax/Bcl-2 ratio. The results suggest that SKE exerts neuroprotective effects against hyperglycemia-induced cellular damage. The mechanisms of these effects may be related to (at least in part) the prevention of neural apoptosis, and the results suggest that Satureja has the therapeutic potential to attenuate side effects of diabetes, such as neuropathy.
journal_name
J Nat Medjournal_title
Journal of natural medicinesauthors
Kaeidi A,Esmaeili-Mahani S,Abbasnejad M,Sheibani V,Rasoulian B,Hajializadeh Z,Pasban-Aliabadi Hdoi
10.1007/s11418-012-0646-ysubject
Has Abstractpub_date
2013-01-01 00:00:00pages
61-9issue
1eissn
1340-3443issn
1861-0293journal_volume
67pub_type
杂志文章abstract：:Picrasma javanica Blume (Simaroubaceae) is a medium-sized tree that is distributed widely in tropical Asia. In our previous study, we isolated quassinoids from P. javanica bark collected in Myanmar, and reported their antiproliferative activities. In our ongoing research for the discovery of bioactive compounds from M...
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pub_type： 杂志文章
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journal_title：Journal of natural medicines
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journal_title：Journal of natural medicines
pub_type： 杂志文章
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更新日期：2012-07-01 00:00:00
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journal_title：Journal of natural medicines
pub_type： 杂志文章
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更新日期：2009-04-01 00:00:00
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journal_title：Journal of natural medicines
pub_type： 杂志文章
doi：10.1007/s11418-013-0795-7
更新日期：2014-04-01 00:00:00
