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1.
Cureus ; 16(8): e66525, 2024 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-39246980

RESUMEN

This systematic review elucidates the complex interplay between gastroesophageal reflux disease (GERD) and diabetes mellitus, integrating findings from various studies to highlight pathophysiological connections and effective clinical management strategies. Our examination reveals that mechanisms such as delayed gastric emptying and autonomic neuropathy significantly contribute to the exacerbation of GERD symptoms in diabetic patients, influencing clinical outcomes and treatment efficacy. The review underscores the necessity of multidisciplinary approaches in treating these comorbid conditions and advocates for therapeutic strategies that simultaneously address GERD and diabetes, such as the use of prokinetic agents and tailored surgical interventions like laparoscopic Roux-en-Y gastric bypass. This synthesis advances our understanding and proposes a foundation for future research and clinical practice, aiming to improve the quality of life and treatment outcomes for affected patients. This work contributes significantly to gastroenterology and endocrinology, providing a comprehensive resource for clinicians and researchers alike.

2.
Nat Prod Res ; 35(23): 5138-5144, 2021 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-32696664

RESUMEN

In this study, oleanolic acid and its derivatives were studied for their invivo nematicidal activity against root-knot nematode (RKN) Meloidogyne incognita. A series of C-28-oleanolates including five new (5, 7-10) and seven known (1-4, 6, 11, 12) compounds were synthesised and their nematicidal activity was determined and compared with the standard nematicide furadan for the first time. The structures of the compounds were elucidated through 1H NMR, 13C NMR and EIMS. Compounds 4, 5, 7, 8 and 10 showed ∼ 90% inhibition of RKN at 0.125% concentration after 72 h showing their potential use in nematicidal control.


Asunto(s)
Carbofurano , Ácido Oleanólico , Tylenchoidea , Animales , Antinematodos/farmacología , Ácido Oleanólico/farmacología
3.
Nat Prod Res ; 35(19): 3301-3306, 2021 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-31820659

RESUMEN

Phytochemical investigation of clove resulted in the isolation of two new natural compounds, a ferulic acid derivative, sabrinic acid (1) and a benzophenone derivative (2) together with two known compounds kaempferol-3,5-dimethyl ether (3) and 4-methyl benzoic acid (4). Compounds 3 and 4 were isolated for the first time from the genus Syzygium. The structures of compounds were elucidated through modern spectroscopic techniques including 1D and 2D NMR spectroscopy.


Asunto(s)
Benzofenonas/química , Ácidos Cumáricos/química , Syzygium , Benzofenonas/aislamiento & purificación , Ácidos Cumáricos/aislamiento & purificación , Flores/química , Estructura Molecular , Syzygium/química
4.
J Med Food ; 20(4): 335-344, 2017 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-28338397

RESUMEN

Several reports indicate anti-hyperglycemic effects of Syzygium aromaticum. In the present study, we report for the first time that clove extract (SAM) and its compound nigricin (NGC) decreases free fatty acid-mediated insulin resistance in mouse myoblasts. In addition, NGC was able to diminish insulin resistance in a diabetic mouse model. We observed that SAM and its compound NGC exhibited significant antioxidant activity in murine skeletal muscle cells. They also modulated stress signaling by reducing p38 MAP kinase phosphorylation. NGC and SAM treatments enhanced proximal insulin signaling by decreasing serine phosphorylation of insulin receptor substrate-1 (IRS-1) and increasing its tyrosine phosphorylation. SAM and NGC treatments also modified distal insulin signaling by enhancing protein kinase B (PKB) and glycogen synthase kinase-3-beta (GSK-3 beta) phosphorylation in muscle cells. Glucose uptake was enhanced in muscle cells after treatment with SAM and NGC. We observed increased glucose tolerance, glucose-stimulated insulin secretion, decreased insulin resistance, and increased beta cell function in diabetic mice treated with NGC. The results of our study demonstrate that clove extract and its active agent NGC can be potential therapeutic agents for alleviating insulin resistance.


Asunto(s)
Ácidos Grasos no Esterificados/farmacología , Resistencia a la Insulina , Fibras Musculares Esqueléticas/efectos de los fármacos , Syzygium/química , Animales , Benzodioxoles/farmacología , Cromatografía Liquida , Diabetes Mellitus Experimental/tratamiento farmacológico , Femenino , Flores/química , Glucosa/metabolismo , Prueba de Tolerancia a la Glucosa , Glucógeno Sintasa Quinasa 3/metabolismo , Proteínas Sustrato del Receptor de Insulina/metabolismo , Células Secretoras de Insulina/efectos de los fármacos , Ratones , Ratones Endogámicos BALB C , Fibras Musculares Esqueléticas/metabolismo , Mioblastos Esqueléticos/efectos de los fármacos , Mioblastos Esqueléticos/metabolismo , Fosforilación , Extractos Vegetales/farmacología , Proteínas Proto-Oncogénicas c-akt/metabolismo , Especies Reactivas de Oxígeno/metabolismo , Transducción de Señal , Tirosina/química
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