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1.
Ecancermedicalscience ; 18: ed132, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38566766

RESUMEN

The rise in cancer rates in Sub-Saharan Africa (SSA), combined with limited access to Western pharmaceuticals, has sparked growing adoption of traditional and complementary medicine (T&CM) for cancer treatment in the region. However, many challenges exist, including the lack of reliable evidence-based research on these products, scarcity of standardized documentation as part of cancer registries, limited physician expertise, and negative effects on mortality. Nonetheless, herbal medicines also present opportunities for further research, development, and stakeholder education, potentially benefiting the regional healthcare systems in SSA countries and global health as whole. Recent trends highlight the willingness of patients to use mobile-based applications that provide accurate information on herbal therapeutics, reflecting the increasing adoption of internet and smart/mobile phone services in SSA. To maximize the potential benefits of traditional and complementary medicine, it is necessary to bridge the trust gap between the public, local practitioners, and Western healthcare providers. Sustained funding and policy support are needed to complement these initiatives. Our preliminary survey hopes to inspire the community and policymakers to embrace innovative solutions, fostering a forward-looking approach to cancer care in SSA.

2.
J Fish Dis ; 45(9): 1343-1354, 2022 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-35675520

RESUMEN

To reach the sustainable development goals on health management in Litopenaeus vannamei shrimp culture, Pediococcus pentosaceus AB01 was supplemented in shrimp diet. In this study, the control diet and three experimental diets containing P. pentosaceus AB01 (108 , 109 , 1010 CFU/g) were separately introduced to L. vannamei for a 28 days feeding trial. After the feeding trial, percent weight gain, feeding efficiency, and feed conversion ratio (FCR) were significantly elevated in L. vannamei administered with P. pentosaceus AB01 at 109 and 1010 colony-forming unit (CFU)/g. Protease, amylase, and trypsin were found at higher levels in the probiotic-supplied groups. The feeding of shrimps with P. pentosaceus AB01 significantly increased innate immune response and levels of related biochemical parameters in the haemolymph. After the white spot syndrome virus (WSSV) challenge, supplementation of P. pentosaceus AB01 had significant positive effects (p < .05) on survival rate, compared to that of the control diet. The higher resistance of L. vannamei to WSSV might have been due to alterations in the gut microbiome composition and upregulation of the Toll-Like Receptor (TLR) signalling pathway. Hence, P. pentosaceus AB01 may be a promising alternative feed to promote growth rate, modulate microbiota composition, and enhance immunity in L. vannamei shrimp.


Asunto(s)
Enfermedades de los Peces , Penaeidae , Virus del Síndrome de la Mancha Blanca 1 , Alimentación Animal/análisis , Animales , Dieta/veterinaria , Suplementos Dietéticos , Inmunidad Innata , Pediococcus pentosaceus
3.
Chem Biodivers ; 19(4): e202100882, 2022 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-35146904

RESUMEN

Four compounds, luteolin (1), 6-γ,γ-dimethylallylquercetin 7-O-ß-D-glucopyranoside (2), 6-γ,γ-dimethylallylkaempferol 7-O-ß-D-glucopyranoside (3), and 6-γ,γ-dimethylallyldihydrokaempferol 7-O-ß-D-glucoside (4), were isolated for the first time from AcOEt extract of the O. integerrima flower. We then evaluated the antioxidant effects of AcOEt, butanol, and MeOH extracts and their effects on H2 O2 against oxidative stress in HaCaT keratinocyte cell lines. Furthermore, 2,2-diphenyl-1-picrylhydrazyl hydrate (DPPH⋅) radical scavenging activities of 1-4 were determined and their mechanisms of action on tyrosinase were predicted by in silico studies. The results revealed that the AcOEt extract and 1-3 exhibited good DPPH⋅ radical scavenging activity. Furthermore, this extract also had a significant protective effect against H2 O2 -induced oxidative stress in HaCaT cells. In silico studies indicated that the activity of 1-3 may be due to tyrosinase inhibition with MM-GBSA free binding energies of -78.9, -70.1, and -71.1 kcal mol-1 , respectively, compared to 4 with an energy -56.9 kcal mol-1 .


Asunto(s)
Antioxidantes , Ochnaceae , Antioxidantes/química , Antioxidantes/farmacología , Flores , Queratinocitos , Monofenol Monooxigenasa , Extractos Vegetales/química , Extractos Vegetales/farmacología
4.
Opt Express ; 29(23): 38606-38614, 2021 Nov 08.
Artículo en Inglés | MEDLINE | ID: mdl-34808910

RESUMEN

Alzheimer disease and related dementias affect 15-20% of elderly people, and 60-70% of these suffer from sleep disturbances. Studies suggest that lighting can improve sleep. The key challenge is how to deliver light effectively. We have designed a lighting system that adjusts spectrum and irradiance on a 24-hour timetable to provide spatially uniform, shadow-free white light with CRI>85 and up to 1000 Lux for day vision and amber light for night vision. To aid sleep, melanopic illuminance varies over 3 orders of magnitude to enable strong suppression of melatonin in the morning/early afternoon, moderate suppression in the evening, and no suppression at night.


Asunto(s)
Enfermedad de Alzheimer/complicaciones , Luz , Iluminación/métodos , Fototerapia/métodos , Trastornos del Sueño-Vigilia/terapia , Visión Ocular/fisiología , Anciano , Relojes Circadianos/fisiología , Humanos , Iluminación/instrumentación , Melatonina/metabolismo , Fototerapia/instrumentación , Trastornos del Sueño-Vigilia/etiología , Factores de Tiempo
5.
Mol Med Rep ; 20(4): 3448-3455, 2019 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-31432129

RESUMEN

The aim of the present study was to evaluate the neuroprotective effect of Citrus aurantium extract (CAE) and nobiletin against amyloid ß 1­42 (Aß 1­42)­induced spatial learning and memory impairment in mice. After injecting Aß 1­42 (5 µl/2.5 min, intracerebroventricular injection), amnesic mice were orally administered CAE and nobiletin for 28 days. Memory, spatial and cognitive ability were measured using passive avoidance and a Morris water maze task. Acetylcholinesterase (AchE) activity was investigated in the hippocampus and cortex using commercial kits and the analysis of Bax, Bcl­2, and cleaved caspase­3 protein expression by western blot assays was used to confirm the anti­apoptotic mechanism of CAE and nobiletin. The present study confirmed impairments in learning and memory in the Aß­induced neurodegenerative mice with increased AchE activity in the brain. However, the daily administration of CAE and nobiletin reduced the spatial learning deficits and increased the AchE activity in the cortex and hippocampus. Furthermore, CAE and nobiletin significantly downregulated the Bax and cleaved caspase­3 protein expression and upregulated the Bcl­2 and Bcl­2/Bax expression in the cortex and hippocampus of Aß­treated mice. These results suggest that CAE and nobiletin exert a neuroprotective effect by regulating anti­apoptotic mechanisms, including reduced AchE activity in the cortex and hippocampus of the cognitive deficit mouse model.


Asunto(s)
Péptidos beta-Amiloides/metabolismo , Citrus/química , Flavonas/farmacología , Trastornos de la Memoria/tratamiento farmacológico , Fragmentos de Péptidos/metabolismo , Extractos Vegetales/farmacología , Animales , Corteza Cerebral/metabolismo , Corteza Cerebral/patología , Corteza Cerebral/fisiopatología , Hipocampo/metabolismo , Hipocampo/patología , Hipocampo/fisiopatología , Aprendizaje por Laberinto/efectos de los fármacos , Trastornos de la Memoria/metabolismo , Trastornos de la Memoria/patología , Ratones , Extractos Vegetales/química
6.
Diabetes Metab Syndr ; 13(4): 2495-2501, 2019.
Artículo en Inglés | MEDLINE | ID: mdl-31405667

RESUMEN

Childhood obesity prevalence is shooting up at a phenomenal rate worldwide, leading to long-term devastating consequences. A great number of studies have investigated factors contributing to the increase in BMI of children and adolescents. School-based, home-based and clinic-based solutions have been suggested as possible viable strategies, among which school-based interventions is believed to produce a noticeable effect on a massive scale. However, the question of whether school interventions, especially school education exert significant impact on childhood obesity or not, is left with mixing results. This article aims to holistically review the relationship between school education and childhood obesity. Various factors are covered, including health education, nutrition education, school nutrition, physical education, teachers' awareness, teaching practice and school stress, In all, school education is not the answer to childhood obesity but just part of it. More attempts from other stakeholders (parents, community, policy makers, researchers, etc.) should be made in order to solve this complicated puzzle.


Asunto(s)
Educación en Salud/métodos , Obesidad Infantil/prevención & control , Obesidad Infantil/psicología , Instituciones Académicas/estadística & datos numéricos , Niño , Humanos
7.
Sci Rep ; 9(1): 6078, 2019 04 15.
Artículo en Inglés | MEDLINE | ID: mdl-30988454

RESUMEN

Antisense oligonucleotide (AO)-mediated splice modulation has been established as a therapeutic approach for tackling genetic diseases. Recently, Exondys51, a drug that aims to correct splicing defects in the dystrophin gene was approved by the US Food and Drug Administration (FDA) for the treatment of Duchenne muscular dystrophy (DMD). However, Exondys51 has relied on phosphorodiamidate morpholino oligomer (PMO) chemistry which poses challenges in the cost of production and compatibility with conventional oligonucleotide synthesis procedures. One approach to overcome this problem is to construct the AO with alternative nucleic acid chemistries using solid-phase oligonucleotide synthesis via standard phosphoramidite chemistry. 2'-Fluoro (2'-F) is a potent RNA analogue that possesses high RNA binding affinity and resistance to nuclease degradation with good safety profile, and an approved drug Macugen containing 2'-F-modified pyrimidines was approved for the treatment of age-related macular degeneration (AMD). In the present study, we investigated the scope of 2'-F nucleotides to construct mixmer and gapmer exon skipping AOs with either 2'-O-methyl (2'-OMe) or locked nucleic acid (LNA) nucleotides on a phosphorothioate (PS) backbone, and evaluated their efficacy in inducing exon-skipping in mdx mouse myotubes in vitro. Our results showed that all AOs containing 2'-F nucleotides induced efficient exon-23 skipping, with LNA/2'-F chimeras achieving better efficiency than the AOs without LNA modification. In addition, LNA/2'-F chimeric AOs demonstrated higher exonuclease stability and lower cytotoxicity than the 2'-OMe/2'-F chimeras. Overall, our findings certainly expand the scope of constructing 2'-F modified AOs in splice modulation by incorporating 2'-OMe and LNA modifications.


Asunto(s)
Fibras Musculares Esqueléticas/efectos de los fármacos , Distrofia Muscular de Duchenne/terapia , Oligonucleótidos Antisentido/farmacología , Empalme del ARN/efectos de los fármacos , Animales , Células Cultivadas , Técnicas de Química Sintética/economía , Técnicas de Química Sintética/métodos , Química Farmacéutica/economía , Química Farmacéutica/métodos , Evaluación Preclínica de Medicamentos , Distrofina/genética , Distrofina/metabolismo , Exones/efectos de los fármacos , Exones/genética , Terapia Genética/economía , Terapia Genética/métodos , Humanos , Ratones , Ratones Endogámicos mdx , Morfolinos/economía , Morfolinos/uso terapéutico , Fibras Musculares Esqueléticas/metabolismo , Distrofia Muscular de Duchenne/genética , Oligonucleótidos/química , Oligonucleótidos/economía , Oligonucleótidos/farmacología , Oligonucleótidos/uso terapéutico , Oligonucleótidos Antisentido/química , Oligonucleótidos Antisentido/economía , Oligonucleótidos Antisentido/uso terapéutico
8.
J Healthc Eng ; 2018: 5754890, 2018.
Artículo en Inglés | MEDLINE | ID: mdl-29861882

RESUMEN

Burn wound healing is a complex multifactorial process that relies on coordinated signaling molecules to succeed. Curcumin is believed to be a potent antioxidant and anti-inflammatory agent; therefore, it can prevent the prolonged presence of oxygen free radicals which is a significant factor causing inhabitation of optimum healing process. This study describes an extension of study about the biofunctional nanocomposite hydrogel platform that was prepared by using curcumin and an amphiphilic chitosan-g-pluronic copolymer specialized in burn wound healing application. This formular (nCur-CP, nanocomposite hydrogel) was a free-flowing sol at ambient temperature and instantly converted into a nonflowing gel at body temperature. In addition, the storage study determined the great stability level of nCur-CP in long time using UV-Vis and DLS. Morphology and distribution of nCur in its nanocomposite hydrogels were observed by SEM and TEM, respectively. In vitro studies suggested that nCur-CP exhibited well fibroblast proliferation and ability in antimicrobacteria. Furthermore, second- and third-degree burn wound models were employed to evaluate the in vivo wound healing activity of the nCur-CP. In the second-degree wound model, the nanocomposite hydrogel group showed a higher regenerated collagen density and thicker epidermis layer formation. In third degree, the nCur-CP group also exhibited enhancement of wound closure. Besides, in both models, the nanocomposite material-treated groups showed higher collagen content, better granulation, and higher wound maturity. Histopathologic examination also implied that the nanocomposite hydrogel based on nanocurcumin and chitosan could enhance burn wound repair. In conclusion, the biocompatible and injectable nanocomposite scaffold might have great potential to apply for wound healing.


Asunto(s)
Quemaduras/terapia , Quitosano/análogos & derivados , Curcumina/administración & dosificación , Hidrogeles/administración & dosificación , Nanocompuestos/administración & dosificación , Cicatrización de Heridas , Alginatos/administración & dosificación , Animales , Antibacterianos/administración & dosificación , Antiinflamatorios/administración & dosificación , Antioxidantes/administración & dosificación , Temperatura Corporal , Proliferación Celular , Quitosano/administración & dosificación , Liofilización , Luz , Masculino , Ratones , Pruebas de Sensibilidad Microbiana , Poloxámero/química , Polímeros , Dispersión de Radiación , Espectrofotometría Ultravioleta
9.
Food Chem Toxicol ; 113: 211-217, 2018 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-29407474

RESUMEN

The crude extract of soyasaponins was reported to possess anti-inflammatory activity. We determined the new purity group I saponin, I-αa and I-γa that was isolated from wild soybean (Glycine soja) in terms of its efficacy in protecting RAW 264.7 macrophages from lipopolysaccharide (LPS)-stimuli. Cells were treated with soyasaponin I-αa/I-γa (30-300 µΜ) and LPS (0.1 µg/mL) for 24 h. Soyasaponin I-αa inhibited nitric oxide (NO) production at 100 µg/mL, while soyasaponin I-γa demonstrated this effect at a higher concentration (200 µg/mL). The expression levels of iNOS and COX-2 enzymes were downregulated by both soyasaponins. Soyasaponin I-αa exerted its effect via the TNF-α and IL-1ß cytokines. However, soyasaponin I-γa only inhibited the expression of TNF-α. The inflammatory effect of group I soyasaponin was mainly mediated via the phosphorylation of the p38 and JNK proteins. Collectively, these results suggested the potential anti-inflammatory effects of soyasaponins.


Asunto(s)
Antiinflamatorios/farmacología , Regulación hacia Abajo/efectos de los fármacos , Lipopolisacáridos/farmacología , Sistema de Señalización de MAP Quinasas/efectos de los fármacos , Macrófagos/efectos de los fármacos , Ácido Oleanólico/análogos & derivados , Animales , Ciclooxigenasa 2/metabolismo , Interleucina-1beta/metabolismo , Ratones , Óxido Nítrico/antagonistas & inhibidores , Óxido Nítrico/biosíntesis , Óxido Nítrico Sintasa de Tipo II/metabolismo , Ácido Oleanólico/farmacología , Extractos Vegetales/farmacología , Células RAW 264.7 , Glycine max/química , Factor de Necrosis Tumoral alfa/metabolismo
10.
Artículo en Inglés | MEDLINE | ID: mdl-21936635

RESUMEN

Prostate cancer (adenocarcinoma of the prostate) is the most widespread cancer in men. It causes significant suffering and mortality due to metastatic disease. The main therapy for metastatic prostate cancer (MPC) includes androgen manipulation, chemotherapy, and radiotherapy and/or radioisotopes. However, these therapeutic approaches are considered palliative at this stage, and their significant side effects can cause further decline in patients' quality of life and increase non-cancer-related morbidity/mortality. In this study, the authors have used the infusion of dimethyl sulfoxide-sodium bicarbonate (DMSO-SB) to treat 18 patients with MPC. The 90-day follow-up of the patients having undergone the proposed therapeutic regimen showed significant improvement in clinical symptoms, blood and biochemistry tests, and quality of life. There were no major side effects from the treatment. In searching for new and better methods for palliative treatment and pain relief, this study strongly suggested therapy with DMSO-SB infusions could provide a rational alternative to conventional treatment for patients with MPC.


Asunto(s)
Dimetilsulfóxido/uso terapéutico , Dolor/tratamiento farmacológico , Cuidados Paliativos/métodos , Bicarbonato de Sodio/uso terapéutico , Adenocarcinoma , Anciano , Dimetilsulfóxido/normas , Combinación de Medicamentos , Humanos , Masculino , Persona de Mediana Edad , Metástasis de la Neoplasia , Dolor/etiología , Dimensión del Dolor , Neoplasias de la Próstata/complicaciones , Neoplasias de la Próstata/patología , Calidad de Vida , Bicarbonato de Sodio/normas , Resultado del Tratamiento , Vietnam
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