Ethanolic Extracts of Linn. (Vitaceae) Attenuate Vincristine-Induced Peripheral Neuropathy in Rats: An Evidence of the Antioxidant, Calcium Inhibitory, and Neuromodulatory Properties.

Linn. (, Vitaceae) is a plant reported to treat injured tendons, broken bones, asthma, stomach ache, scurvy, and digestive disorders. The present study evaluated the antihyperalgesic effects of ethanolic extract of Linn.

Anti-inflammatory, anti-oxidant and anti-ulcer activities of aqueous lyophilizate of (Bignoniaceae).

Objectives: This work was carried out with a view to determining the antioxidant, anti-inflammatory and anti-ulcer properties of the aqueous lyophilized extract of .

Methods: proteinases inhibition, albumin denaturation, hemolysis of red blood cells by heat, inhibition of the proton pump H/KATPase, FRAP (Ferric reducing antioxidant power) and DPPH (1,1-diphenyl-2-picrylhydrazyl) assays were performed. , cold water immersion-induced ulceration and methylene blue-induced ulceration was used to determine the anti-ulcer properties of the lyophilizate (100, 200 and 300 mg/kg).

Gastroprotective and ulcer healing effects of (Rubiaceae) on experimentally induced gastric ulcers in male Wistar rats.

Objectives: In this study, we determined the gastroprotective and ulcer-healing effects of extracts (aqueous and methanolic) of stem-back.

Methods: Gastroprotective and healing activity were evaluated following a HCl/ethanol and an indomethacin-induced acute ulcers models; acetic acid, pylorus-ligature, pylorus ligature/histamine and pylorus ligature/acetylcholine-induced chronic ulcers models.

Results: It emerges from this study that, at 100, 200 and 400 mg/kg, the extracts significantly reduced the various ulceration parameters.

leaves aqueous and ethanolic extract with curative anti-inflammatory activity attenuates paclitaxel toxicity in rat's intestine.

Objectives: (, Bignoniaceae) is mainly found in tropical/neotropical regions of America, Africa and Asia. The plant's leaves, stems or roots are used to treat anaemia, bloody diarrhoea, parasitic and microbial infections. This study evaluates anti-inflammatory properties () of and their curative effects on paclitaxel-induced intestinal toxicity ().

and Anti-Inflammatory Properties of the Hydroethanolic Extract of the Roots of (Asteraceae).

In traditional Cameroonian medicine, to relieve many inflammations, parts of , are very widely used. This study considered the evaluation of acute toxicity and anti-inflammatory properties of the hydroethanolic extract of the roots of . In an acute toxicity study, 250, 2500, and 5000 mg/kg were administered orally to mice in a single dose, and general behavior, adverse effects, and mortality were monitored.

Anti-, anti-Inflammatory, and Antioxidant Activities of Trunk Bark of (Apocynaceae).

An ulcer is an erosion of the gastric mucosa that occurs following an imbalance between the aggression and protective factors and/or an infection with (). About 90-100% of duodenal ulcers and 70-80% of gastric ulcers are caused by . The objective of this work was to evaluate in the anti- activity and then the anti-inflammatory and antioxidant properties of aqueous and methanol extracts of .

Scyphocephalione A isolated from the stem bark of Scyphocephalium ochocoa (Myristicaceae) attenuate acute and chronic pain through the antiinflammatory activity.

In the treatment of cancer, patients that receive anti-cancer drugs such as Vincristine develop peripheral neuropathic pain. Scyphocephalione A is a new bioactive compound isolated from Scyphocephalium ochocoa (Myristicaceae), a medicinal plant traditionally used in African countries. Recently, an in vitro study has shown its anti-inflammatory and cytotoxic activities on MCF-7 cell line of mammary carcinoma.

A new dibenzofuran derivative from the stem bark of with anti-inflammatory and cytotoxic activities.

The phytochemical investigation of the dichloromethane/methanol (1:1) extract of the stem bark of , led to the isolation of one new dibenzofuran derivative, named scyphocephalione A (), along with three other compounds, including epicatechin (), gentisic acid () and myo-inositol (). The structures of all the compounds were established with help of spectroscopic data including IR, UV, MS, 1 D- and 2 D-NMR, as well as by comparison with previously reported data in literature, and chemical modification. All the compounds were obtained from the genus for the first time.

Antihypernociceptive and Neuroprotective Effects of the Aqueous and Methanol Stem-Bark Extracts of (Rubiaceae) on STZ-Induced Diabetic Neuropathic Pain.

The greatest common and devastating complication of diabetes is painful neuropathy that can cause hyperalgesia and allodynia. It can disturb psychosocial functioning by increasing levels of anxiety and depression. This work was designed to evaluate the antihyperalgesic, antidepressant, and anxiolytic-like effects of the aqueous and methanol extracts of stem-bark in diabetic neuropathy induced by streptozotocin in mice.

Methanolic Extract of (Caesalpiniaceae) Stem Bark Suppresses Ethanol/Indomethacin-Induced Chronic Gastric Injury in Rats.

(Caesalpiniaceae) is a plant from the Cameroon pharmacopoeia very widely used in the treatment of many pathologies among which are gastrointestinal disorders. The main purpose of this study was to assess the healing properties of gastric ulcer from the methanolic extract of and its mechanisms of action. The healing properties of gastric ulcers (chronic ulcer model induced by ethanol and indomethacin) were evaluated in adult male rats, while the mechanisms of action were evaluated by anti-inflammatory assay (protein denaturation, cyclooxygenase, and lipoxygenase assays) and immunomodulatory assay (ROS production (using technical chemiluminescence), cytokine (TNF-, IL-1, IL-6) production (using ELISA), proliferation of T cells (using liquid scintillation counter), and cytotoxicity (using MTT assay)).

Antioxidant, Anti-inflammatory, and Anticolitis Effects of Combretin A and Combretin B on Dextran Sodium Sulfate-Induced Ulcerative Colitis in Mice.

(Combretaceae) is a Cameroonian medicinal plant containing various secondary metabolites and traditionally used for the treatment of several pathologies. Two cycloartane-type triterpenes, Combretin A and Combretin B, were isolated from this plant. This study was aimed at evaluating the anti-inflammatory, antioxidant, and anticolitis effects of these compounds.

Antihypernociceptive, Anxiolytic, and Antidepressant Properties of Aqueous and Ethanol Extracts of Cogn. (Melastomataceae) in Mice.

Diabetic neuropathy, which affects 7 to 9% of the world's population and that is usually accompanied by anxiety and depression, is chronic pain that results from impaired function of the central or peripheral nervous system. This study aimed at evaluating the antihypernociceptive, antiallodynic, anxiolytic, and antidepressant effects of extracts. Diabetic neuropathy was induced by intraperitoneal injection of streptozotocin (200 mg/kg) in mice.

Cytoprotective and antisecretory properties of methanolic extract of (Caesalpiniaceae) stem bark on acute gastric ulcer in rats.

Objectives: In African traditional medicine, (Caesalpiniaceae) is used to treat many diseases including gastric ulcers. We evaluated in this study, the cytoprotective and antisecretory properties of the methanolic extract of the stem bark of this plant using different technics of gastric lesion induction.

Methods: Cytoprotective and antisecretory activity of the methanolic extract of stem bark was evolved through six methods of gastric lesion induction in experimental male rats (150-200 g): (1) gastric lesions induced by HCl/ethanol, (2) gastric lesions induced by Indomethacin- HCl/ethanol, (3) gastric lesion induced by Indomethacin, (4) gastric lesions induced by Pylorus ligation, (5) gastric lesions induced by histamine-Pylorus ligation, (6) gastric lesions induced by carbachol-Pylorus ligation.

Effects of Aqueous and Methanolic Extracts of Stem Bark of De Wild. (Apocynaceae) on Dextran Sodium Sulfate-Induced Ulcerative Colitis in Wistar Rats.

Among the most exploited species in Cameroon, is widely used in African medicine for the relief of several pathologies including gastrointestinal disorders. This study was conducted in order to assess the effects of aqueous and methanol stem-bark extracts of on DSS- (dextran sodium sulfate-) induced intestinal colitis and to determine its antioxidant potential. The classes of secondary metabolites present in these extracts were determined by chemical screening.

Anti-Inflammatory and Antiarthritic Activities of Aqueous and Ethanolic Extracts of Cogn. (Melastomataceae) in Rats.

Cogn. (Melastomataceae) is a tropical plant widely used in traditional Cameroonian medicine to relieve and treat many pathologies. It is widespread in the western region where it is used to treat typhoid fever, gastrointestinal disorders, and inflammatory diseases.

Curative effects of Distemonanthus benthamianus Baillon. Trunk-bark extracts on enteropathogenic Escherichia coli 31-induced diarrhea in rats.

Background Distemonanthus benthamianus is used in the Western part of Cameroon to treat diarrheal episodes and infections. This study assessed its trunk-bark extracts activity against enteropathogenic Escherichia coli 31 (EPEC 31)-induced diarrhea in rats. Methods Aqueous and methanolic extracts were analyzed through high-performance liquid chromatography (HPLC).

Antihypernociceptive and neuroprotective effects of Combretin A and Combretin B on streptozotocin-induced diabetic neuropathy in mice.

Painful diabetic neuropathy (PDN) is known to adversely affect psychosocial functioning by enhancing levels of anxiety and depression. This study was designed to verify the antihypernociceptive, anxiolytic, and antidepressant-like effects of Combretin A and Combretin B (two triterpenes cycloartane-type isolated from the leaves of Combretum fragrans) in streptozotocin-induced diabetic neuropathy in mice. PDN was induced in mice by the administration of streptozotocin (STZ, 200 mg/kg, i.

Anti-inflammatory and anti-arthritic effects of methanol extract of the stem bark of Boswellia dalzielii Hutch (Burseraceae) in rats.

Boswellia dalzielii is a tall tree (more than 13 m high) that produces aromatic white flowers. This plant is commonly used in indigenous medicine across Africa against diarrhea, malaria, vomiting, inflammation and arthritis. The present study focuses on the anti-inflammatory and anti-arthritis potential of methanol extract of Boswellia dalzielii (BDME).

Analgesic, anti-inflammatory and anti-arthritic properties of aqueous and methanolic stem bark extracts from Nauclea pobeguinii (Rubiacee) in rats.

Background Nauclea pobeguinii is a plant species found in the centre region of Cameroon. The stem bark of this plant is traditionally used to ease pain and cure inflammation. Method This study was undertaken to evaluate the effects of doses 150 and 300 mg/kg of the aqueous and methanolic stem bark extracts from Nauclea pobeguinii on acute pain, acute and chronic inflammation induced by formalin and arthritis induced by zymosan A in rats.

Flavonoids and triterpenes from Combretum fragrans with anti-inflammatory, antioxidant and antidiabetic potential.

Despite the well-documented benefits of Combretum fragrans in Cameroon, only few scientific works have been done on it. In this study we isolated eight compounds from the leaves extract of C. fragrans: velutin (1), belamcanidin (2), cirsilineol (3), cirsimaritin (4), 3β-acetoxy-20,24-epoxy-11,25-hydroxy-dammarane (5), combretin A (6), combretin B (7) and a mixture of arjunolic acid (8a) and asiatic acid (8b).

Antinociceptive Activities of the Methanolic Extract of the Stem Bark of Hutch. (Burseraceae) in Rats Are NO/cGMP/ATP-Sensitive-K Channel Activation Dependent.

is traditionally used in the treatment of rheumatism, pain, and inflammation. The present investigation evaluates the property and possible mechanism of action of the methanolic extract of (BDME) on inflammatory and neuropathic pain models. Effects of BDME (250 and 500 mg/kg), orally administered, were verified in mechanical hypernociception induced by LPS or PGE.

Analgesic, anti-inflammatory and anticancer activities of Combretin A and Combretin B isolated from Combretum fragrans F. HOFFM (Combretaceae) leaves.

Previous pharmacological and phytochemical studies showed that, Combretum fragrans F. HOFFM (Combretaceae) is a Cameroonian medicinal plant possessing numerous therapeutic virtues and rich in various active secondary metabolites. In this study, we investigate in vivo anti-nociceptive and anti-inflammatory activity and, in vitro anticancer, anti-TNFα, ROS and NO-inhibitory activities of Combretum A and Combretin B, two triterpenes cycloartane-type isolated from the leaves of Combretum fragrans.

Anti-arthritic property of crude extracts of Piptadeniastrum africanum (Mimosaceae) in complete Freund's adjuvant-induced arthritis in rats.

Background: Rheumatoid arthritis, disease of unknown causes is a rheumatic and autoimmune pathology, recognised for its increasing frequency and its adverse consequences. It is a disease that occurs in most cases between 50 and 60 years and women are more affected than men. This study aimed at evaluating immunomodulatory and anti-arthritis capacity of aqueous and methanol extracts of stem bark of Piptadeniastrum africanum (Mimosaceae).

Piptadenin, a Novel 3,4-Secooleanane Triterpene and Piptadenamide, a New Ceramide from the Stem Bark of Piptadeniastrum africanum (Hook.f.) Brenan.

Piptadenin (1), a new triterpene along with piptadenamide (10), a new ceramide, have been isolated from the AcOEt-soluble fraction of the MeOH extract of the stem bark of Piptadeniastrum africanum along with nine known compounds, 1-O-[(3β,22β)-3,22-dihydroxy-28-oxoolean-12-en-28-yl]-β-d-glucopyranose (2), 22β-hydroxyoleanic acid (3), oleanic acid (4), lupeol (5), betulinic acid (6), 5α-stigmasta-7,22-dien-3β-ol (7), 5α-stigmasta-7,22-dien-3-one (8), (3β)-stigmast-5-en-3-yl β-d-glucopyranoside (9) and 2,3-dihydroxypropyl hexacosanoate (11). Except for compound 11, all the isolated compounds are reported for the first time from this plant. The structures of the isolated compounds were elucidated by spectroscopic data including 1D and 2D NMR.

Gastroprotective and ulcer healing effects of Piptadeniastrum Africanum on experimentally induced gastric ulcers in rats.

Background: Gastric peptic ulcer is one of the common disorders of gastrointestinal tract, which occur due to an imbalance between the offensive and defensive factors. It is an illness that affects a considerable number of people worldwide. This study was conducted to evaluate the antiulcerogenic and antiulcer effects and recognize the basic mechanism of action of Piptadeniastrum africanum stem bark extracts.