Investigation on the medical ethnobotany of the Q'eqchi Maya of Livingston, Izabal, Guatemala, was undertaken in order to explore Q'eqchi perceptions, attitudes, and treatment choices related to women's health. Through participant observation and interviews a total of 48 medicinal plants used to treat conditions related to pregnancy, childbirth, menstruation, and menopause were collected and identified followed by the evaluation of 20 species in bioassays relevant to women's health. Results of field interviews indicate that Q'eqchi cultural perceptions affect women's health experiences while laboratory results (estrogen receptor and serotonin receptor binding assays) provide a scientific correlation between empirical medicinal plant use among the Q'eqchi and the pharmacological basis for their administration. These data can contribute to Guatemala's national effort to promote a complementary relationship between traditional Maya medicine and public health services and can serve as a basis for further pharmacology and phytochemistry on Q'eqchi medicinal plants for the treatment of women's health conditions.
The present study explored symptoms, attitudes and treatments surrounding women's health and menopause among the Q'eqchi Maya of the eastern tropical lowlands of Guatemala. Data were obtained through participant observation, semi-structured interviews, focus groups and plant walks with 50 Q'eqchi community members from the state of Izabal, Municipality of Livingston, including 5 midwives, 5 traditional male healers and 8 postmenopausal women. Results indicate that the Q'eqchi Maya of Livingston possess their own cultural perceptions of women's health which affect attitudes, symptoms and treatment choices during the menopausal transition. Since discussions of menstruation and menopause are considered cultural taboos among the Q'eqchi, many women mentioned experiencing excessive preoccupation when unanticipated and unfamiliar symptoms occurred. Furthermore, many women suffered from additional hardship when their spouse misinterpreted menopausal symptoms (vaginal dryness, sexual disinterest) as infidelity. Seven of the eight postmenopausal women interviewed indicated experiencing one or more symptoms during the menopausal transition, including headaches, anxiety, muscular pain, depression, and hot flashes. These results differ from the lack of symptomatology reported in previous studies in Mexico, but are in line with the result of menopausal research conducted among other Maya groups from the highlands of Guatemala. Although the Q'eqchi did not use a specific term for "hot flash", three Q'eqchi women used the expression "baja presion" or a "lowering of blood pressure" to explain symptoms of profuse sweating followed by chills, heart palpitations, and emotional instability. The Q'eqchi Maya mentioned a number of herbal remedies to treat menopausal symptoms. Further research on these botanical treatments is needed in order to ascertain their safety and efficacy for continued use.
Ethnopharmacological relevance Our previous work has demonstrated that several plants in the Piperaceae family are commonly used by the Q’eqchi Maya of Livingston, Guatemala to treat amenorrhea, dysmenorrhea, and pain. Extracts of Piper hispidum Swingle (Piperaceae), bound to the estrogen (ER) and serotonin (5-HT7) receptors. Aim of the study To investigate the estrogenic and serotonergic activities of P. hispidum extracts in functionalized assays, identify the active chemical constituents in the leaf extract, and test these compounds as agonists or antagonists of ER and 5-HT7. Materials and methods The effects of the P. hispidum leaf extracts were investigated in estrogen reporter gene and endogenous gene assays in MCF-7 cells to determine if the extracts acted as an estrogen agonist or antagonist. In addition, the active compounds were isolated using ER- and 5-HT7 receptor bioassay-guided fractionation. The structures of the purified compounds were identified using high-resolution LC-MS and NMR spectroscopic methods. The ER- and 5-HT7-agonist effects of the purified chemical constituents were tested in a 2ERE-reporter gene assay in MCF-7 cells and in serotonin binding and functionalized assays. Results Three butenolides including one new compound (1) were isolated from the leaves of P. hispidum, and their structures were determined. Compound 1 bound to the serotonin receptor 5-HT7 with IC50 values of 16.1 and 8.3 μM, respectively, and using GTP shift assays, compound 1 was found to be a partial agonist of the 5-HT7 receptor. The P. hispidum leaf extracts, as well as compounds 2 and 3 enhanced the expression of estrogen responsive reporter and endogenous genes in MCF-7 cells, demonstrating estrogen agonist effects. Conclusions Extracts of P. hispidum act as agonists of the ER and 5-HT7 receptors. Compound 1, a new natural product, identified as 9, 10-methylenedioxy-5,6-Z-fadyenolide, was isolated as the 5-HT7 agonist. Compounds 2 and 3 are reported for the first time in P. hispidum, and identified as the estrogen agonists. No inhibition of CYP450 was observed for any of these compounds in concentrations up to 1 μM. These activities are consistent with the Q’eqchi traditional use of the plant for the treatment of disorders associated with the female reproductive cycle.
Early outcomes reveal that a longitudinal, experiential curriculum can provide students with competencies that may prepare them for leadership roles in advocacy, research, and policy making. Contact with diverse communities inculcates-in medical students with predispositions toward helping underserved populations-the self-efficacy and skills to positively influence underserved, urban communities.
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