| Issue |
BIO Web Conf.
Volume 49, 2022
The 3rd International Symposium on Global Physiology 2022 (ISGP 2022)
|
|
|---|---|---|
| Article Number | 01002 | |
| Number of page(s) | 8 | |
| Section | Animal Physiology | |
| DOI | https://doi.org/10.1051/bioconf/20224901002 | |
| Published online | 05 July 2022 | |
The Effects of Erythrina subumbrans (Hassk.) Merr. Leaves Extract on Nicotine Withdrawal Syndrome and β2 nAChRs Expression in The Ventral Tegmental Area of Rats
1 School of Nursing, Faculty of Medicine and Health Sciences, Universitas Muhammadiyah Yogyakarta.
2 Department of Histology and Cell Biology, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia.
3 Department of Pharmacology and Therapy, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia.
4 Department of Physiology, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia.
* Corresponding author : nurvita.risdiana@umy.ac.id
Erythrina subumbrans (Hassk.) Merr. is an alkaloid plant with dihydro-β-erythroidine (DhβE) content which is considered to block α4β2 nAChRs subtype and, therefore, may suppress the desire to use nicotine. This study aimed to investigate these possible effects of E.subumbrans (Hassk.) Merr. extract on nicotine withdrawal syndrome and β2 nAChRs expression in rats' ventral tegmental area (VTA). The rats were divided into six groups, i.e., control (OO), nicotine treated (NO), nicotine, and E. subumbrans (Hassk.) Merr.-treated (NE 100, NE 200, NE 400), and E. subumbrans (Hassk.) Merr.-treated (OE 200) groups. Nicotine was given ad libitum via drinking water with a step-wise increase of dosage every four days for 30 days. Somatic and affective signs were observed during the dark cycle of 24 hours abstinent period (days 31and 46). The expression of β2 nAChRs in the VTA was examined semi-quantitatively. It has been found that the rearing behavior of the NE 100 group was fewer on day 46 than on day 31. The body scratching behavior of the NE 100 group was fewer than that of the OO group on day 46. The front paws and penile licking behaviors of the NE 100 group were fewer than those of the NO group on day 46. The open arm entries of the NO group were fewer than that of the NE 200 group on day 46. The β2nAChRs expression of the NO group was lower than that of the OO group. E. Subumbrans (Hassk.) Merr. at a dosage of 100mg/kg BW may decrease some somatic signs of nicotine withdrawal syndrome.
© The Authors, published by EDP Sciences, 2022
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