Effects of Some Indigenous Plants of North Karnataka (India) on Cardiovascular and Glucose Regulatory Systems in Alloxan-Induced Diabetic Rats

Author(s): Kusal K. Das*, Kailash S. Chadchan, R. Chandramouli Reddy, M. S. Biradar, Pallavi S. Kanthe, Bheemshetty S. Patil, Jeevan G. Ambekar, Ishwar B. Bagoji, Swastika Das.

Journal Name: Cardiovascular & Hematological Agents in Medicinal Chemistry

Volume 15 , Issue 1 , 2017

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Abstract:

Background: Kenaf (Hibiscus cannabinus Linn, Pundi), Chick pea (Cicer arietinum Linn, Chana) and Prickly lettuce (Lactuca scariola Linn, Hattaraki) leaves are a few of indigenous plants which are routinely consumed by the people of north Karnataka in the diet. Studies on these plants showed some potential anti-diabetic efficacies.

Objectives: To examine the effect of leaves extracts of Hibiscus cannabinus Linn, Cicer arietinum Linn and Lactuca scariola Linn on cardiovascular integrity, glucose homeostasis and oxygen sensing cell signaling mechanisms in alloxan induced diabetic rats.

Method: In vitro and in vivo tests on glucose regulatory systems and molecular markers such as - NOS3, HIF- 1α and VEGF were conducted in alloxan induced diabetic rats supplemented with all the three plant extracts. Electrophysiological analysis (HRV, LF: HF ratio, baroreflex sensitivity, BRS) and histopathogy of myocardial tissues and elastic artery were evaluated in diabetic rats treated with L. scariola linn.

Results: Out of these three plant extracts, Lactuca scariola Linn supplementation showed significant beneficial effects on glucose homeostasis and oxygen sensing cell signaling pathways in alloxaninduced diabetic rats. Furthermore, effects of sub chronic supplementation of Lactuca scariola Linn aqueous extracts showed significant improvement in sympatho-vagal balance in diabetic rats by increase of Heart Rate Variability (HRV) and regaining of Baroreflex Sensitivity (BRS). These results were also corroborated with myocardial and elastic artery histopathology of Lactuca scariola Linn supplemented diabetic rats.

Conclusion: These findings indicate an adaptive pathway for glucose homeostasis, oxygen sensing cell signaling mechanisms and cardio protective actions in alloxan – induced diabetic rats supplemented with Lactuca scariola Linn extracts.

Keywords: North Karnataka (India) Plants, Hibiscus cannabinus Linn, Cicer aritinum Linn, Lactuca scariola Linn, glucose homeostasis, HIF-1α, VEGF, HRV, BRS, histopathology of artery.

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Article Details

VOLUME: 15
ISSUE: 1
Year: 2017
Page: [49 - 61]
Pages: 13
DOI: 10.2174/1871525715666170712121347
Price: $58

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