1. β-Islet cell regeneration potential of Mirabilis jalapa in hyperglycemic rats
Masud SADIQ ; Chibuzo EGWUENU ; Rabiu WASAGU ; Usman UMAR ; Bello USMAN
Asian Pacific Journal of Tropical Biomedicine 2022;12(8):351-356
Objective: To investigate the role of Mirabilis jalapa root extracts in restoration of glucose homeostasis in alloxan-induced hyperglycemic Wistar albino rats. Methods: Experimental hyperglycemic rats were treated daily with 200 and 400 mg/kg of Mirabilis jalapa extracts after initial fasting for 6 h. Two-hour postprandial glucose and changes in body weight were monitored during treatment. After 14 d, the rats were sacrificed and blood was collected for biochemical assessment of serum glucose and insulin levels, lipid profile, and oxidative stress markers. Histopathological examinations of harvested pancreas were also carried out. Results: Mirabilis jalapa root extracts at 200 and 400 mg/kg increased the body weight of hyperglycemic rats. Postprandial glucose levels of the extract-Treated hyperglycemic groups progressively declined during treatment compared with the untreated hyperglycemic control group (P<0.05). The lipid profile indices of the untreated negative control group were significantly elevated (P<0.05), which were reversed by treatment with Mirabilis jalapa extracts. The remarkable increases in antioxidant enzyme activities and a significant decrease in malondialdehyde levels were observed in the hyperglycemic group treated with Mirabilis jalapa extracts. Mirabilis jalapa extracts also significantly increased serum insulin levels (P<0.05). In addition, histopathological examinations of the pancreas revealed a significant cell population within the islet nests of the extract-Treated hyperglycemic groups. Conclusions: Mirabilis jalapa extract can restore glucose homeostasis and show hypoglycemic and hypolipidemic effects in hyperglycemic rats. Further studies are needed to verify the active components of the plant and the underlying mechanism of action in the future.
2. Outpatient prevention counseling for malaria in northwest Nigeria: A single-centre descriptive cross-sectional study
Godpower MICHAEL ; Bukar GREMA ; Zainab UMAR ; Ibrahim ALIYU ; Muhammad USMAN
Asian Pacific Journal of Tropical Medicine 2020;13(5):214-220
To assess the proportion of caregivers of children and patients who received malaria prevention counseling from their healthcare provider at the time of outpatient malaria treatment. Methods: This was a descriptive cross-sectional study involving 353 randomly selected adult patients and caregivers of children attending the general and paediatric outpatient clinics of a Nigerian hospital. An interviewer-administered questionnaire was used to collect data on participants' sociodemographics and last malaria-episode characteristics. Chi square test and logistic regression analysis were used to determine factors associated with and predictors of receiving malaria-prevention counseling, respectively. Results: The mean age of the respondents was (33.6±9.6) years; they were predominantly females (257, 72.8%). Most had at least secondary-level education (304, 86.1%); the family size was mostly 1-6 persons in 202 (57.2%) respondents. They were treated mostly by doctors 256 (72.5%), but only 132 (37.4%) received malaria prevention counseling. Educational-level (χ

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