Management of chronic renal failure is exceedingly expensive. Despite of encouraging experimental outcomes, there is a lack of potent nephroprotective drugable molecules in a clinics or market. To develop a nephroprotective phytomedicine, the present study was designed to do a literature survey on reported phytochemical and biological analysis of
Combretum micranthum
and to carry out chemoprofiling, in-vitro antioxidant and ex-vivo nephroprotective capacity of the title plant. The phytochemical and biological activity survey of
C. micranthum
has reveals the presence of many bioactive compounds such as flavonoids, terpenoids, steroids and alkaloids with many biological activities. Phytochemical investigation re-confirmed the presence of these compounds. Hydroalcoholic extract of
C. micranthum
(CM extract) showed a strong antioxidant activity by scavenging AAPH, DPPH, nitric oxide, hydrogen peroxide and chelating metal ions. CM extract exhibited significant (
P
< 0.001) dose dependent inhibition of ferric chloride-ascorbic acid induced lipid peroxidation. Diabetic nephropathy is a serious and common complication leading to end stage renal disease. Therefore, in the present study, glucose-induced toxicity was also studied in human embryonic kidney cells (HEK-293) as an in vitro model for diabetic nephropathy. The results showed that exposure of cells to high glucose (100 mM) for 72 h significantly reduced the cell viability resulting in morphological changes such as cell shrinkage, rounded cell shape and cytoplasmic vacuolation. Treatment with CM extract at 10 and 25 μg/mL resulted in significant improvement in cell viability from 10 to 23% compared to the high glucose control. This study demonstrated the potential antioxidant and nephroprotective properties of
C. micranthum
, justifying its traditional use in the treatment of various diseases.
Aloe buettneri A. Berger is commonly used in Togolese folk medicine to treat inflammation and gastric ulcer. In this study we investigated the anti-oedema, analgesic, antipyretic and ulcer healing properties of the hydro-alcohol extract of their leaves. Methods: Rat oedema paw were induced by the injection of 0.1 ml of formaldehyde 1%, tail flick method is used to study analgesic property, hyperthermia was induced by subcutaneous injection of 15% of a brewers' yeast suspension at dose of 10 ml/kg and ulcers were induced by ethanol or HCl/ethanol mixture. Results: The extract showed anti-inflammatory properties at doses between 250-500 mg/kg. It inhibited, in a dose-dependent manner, the oedema induced by 0.1 ml of formaldehyde 1%. Scores of 73.70% and 83.63% were obtned when the doses of extract administered were 100 and 500 mg/kg, respectively. The tail flick analgesic index showed an increase of 36.56% when the dose was 500 mg/kg. The extract decreased significantly the hyperthermia induced by the injection of yeast. 1000 mg/kg of the extract inhibited 63.77% of the gastric lesion induced by acid-water-ethanol mixture while daily administration of the same dose accelerated the cicatrisation of gastric ulcer induced by 95% ethanol. Conclusion: The results obtained show that the hydro-alcohol extract of Aloe buettneri A. Berger (Lilliaceae) has anti-inflammatory, anti-ulcer and wound healing properties
Cancer is an emerging public health problem in sub-Saharan Africa. Several medicinal plants are used by traditional healers to treat tumors. In Togo, there are no recorded data for these plants but traditional healers claim to cure tumors with some success. So, information on medicinal plants used to cure human tumors and cancer could be of great importance for their widespread use and scientific validation. e present ethnopharmacological survey aims to record information on antitumor plants in central and Kara regions of Togo. Semistructured validated questionnaires were administered to fifty-seven traditional healers specialized in tumor management in 7 prefectures of Togo. Good practices and know-how were recorded. Quantitative ethnobotanical tools were used to analyze and summarize the data collected. 85 recipes of medicinal plants for tumors management are provided. In the local dialect, 78.95% of traditional healers do not have a clear tumor designation and 29.90% find that the causes of tumors remain unknown. According to 48.78% of traditional healers, the diagnosis of tumors in patients is made in the hospital. e types of tumors frequently treated are those of the breast (43.75%) and the lung (16.67%). e seventy listed medicinal plants belong to thirty-nine families, the most represented being Rubiaceae (17.95%), Caesalpiniaceae (12.82%), Fabaceae (10.26%), and Annonaceae (7.69%). e ten most cited species were Xylopia aethiopica, Aframomum melegueta, Khaya senegalensis, Parkia biglobosa, Piliostigma thonningii, Blighia sapida, Vitellaria paradoxa, Adansonia digitata, Annona muricata, and Parinari curatellifolia. Most of the recipes are prepared as decoction (40%) and administered orally (54.12%). Both regions of our study have a wealth of medicinal plants, and traditional healers would use their local knowledge in the management of various tumors and chronic wounds.
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