RESUMEN
BACKGROUND: Nearly a quarter of people with intellectual disability (ID) have epilepsy with large numbers experiencing drug-resistant epilepsy, and premature mortality. To mitigate epilepsy risks the environment and social care needs, particularly in professional care settings, need to be met. PURPOSE: To compare professional care groups as regards their subjective confidence and perceived responsibility when managing the need of people with ID and epilepsy. METHOD: A multi-agency expert panel developed a questionnaire with embedded case vignettes with quantitative and qualitative elements to understand training and confidence in the health and social determinants of people with ID and epilepsy. The cross-sectional survey was disseminated amongst health and social care professionals working with people with ID in the UK using an exponential non-discriminative snow-balling methodology. Group comparisons were undertaken using suitable statistical tests including Fisher's exact, Kruskal-Wallis, and Mann-Whitney. Bonferroni correction was applied to significant (p < 0.05) results. Content analysis was conducted and relevant categories and themes were identified. RESULTS: Social and health professionals (n = 54) rated their confidence to manage the needs of people with ID and epilepsy equally. Health professionals showed better awareness (p < 0.001) of the findings/recommendations of the latest evidence on premature deaths and identifying and managing epilepsy-related risks, including the relevance of nocturnal monitoring. The content analysis highlighted the need for clearer roles, improved care pathways, better epilepsy-specific knowledge, increased resources, and better multi-disciplinary work. CONCLUSIONS: A gap exists between health and social care professionals in awareness of epilepsy needs for people with ID, requiring essential training and national pathways.
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Epilepsia , Discapacidad Intelectual , Humanos , Estudios Transversales , Epilepsia/terapia , Apoyo Social , Encuestas y CuestionariosRESUMEN
Suicidal erythrocyte death, or eryptosis, is the key event in eliciting anemia in numerous pathological conditions, including diabetes, chronic kidney disease, cancer, sepsis, etc. Oxidative stress is an important trigger in the acceleration of erythrocyte loss via eryptosis and an underlying mechanism of anemia emergence in the above pathologies. Therefore, there is an increasing demand for identification of antioxidants and anti-eryptotic agents for the management of stress-related ailments. Here, we demonstrated the antioxidant and anti-eryptotic properties of the tamarind seed coat ethanol extract (TSCEE) against 2,2'-azobis(2-amidinopropane) dihydrochloride (AAPH)-induced oxidative stress and eryptosis. The presence of probable secondary metabolites in the TSCEE extract was investigated by RP-HPLC. Active groups present in the TSCEE were studied by the Fourier-transform infrared spectroscopy. Cyclic voltammetric studies confirmed the antioxidant potential of TSCEE. The protective effect of TSCEE on red blood cells was confirmed by assessing various eryptotic markers, such as reactive oxygen species generation, intracellular calcium levels, and phosphatidylserine exposure. TSCEE reduced lipid peroxidation and protein carbonyl content and restored the levels of glutathione, antioxidant enzymes, and enzymes involved in glutathione replenishment. In conclusion, TSCEE was found to exhibit multiple therapeutic properties, which makes it a promising agent for treating oxidative stress-induced eryptosis and subsequent anemia in various pathologies.
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Antioxidantes/farmacología , Eriptosis/efectos de los fármacos , Eritrocitos , Extractos Vegetales/farmacología , Tamarindus/metabolismo , Biomarcadores/metabolismo , Calcio/metabolismo , Eritrocitos/citología , Eritrocitos/efectos de los fármacos , Glutatión/metabolismo , Humanos , Peroxidación de Lípido , Estrés Oxidativo/efectos de los fármacos , Especies Reactivas de Oxígeno/metabolismo , Semillas/metabolismoRESUMEN
AIM: To explore the potential of Rosellinia sanctae-cruciana an endophytic fungus associated with Albizia lebbeck for pharmaceutically important cytotoxic compounds. METHODS AND RESULTS: One novel cytochalasin, named jammosporin A (1) and four known analogues (2-5) were isolated from the culture of the endophytic fungus R. sanctae-cruciana, harboured from the leaves of the medicinal plant A. lebbeck. Their structures were elucidated by extensive spectroscopic analyses including one-dimensional and two-dimensional nuclear magnetic resonance data along with MS data and by comparison with literature reports. In preliminary screening the ethyl acetate extract of the fungal culture was tested for cytotoxic activity against a panel of four cancer cell lines (MOLT-4, A549, MIA PaCa-2 and MDA-MB-231), and found to be active against MOLT-4 with an IC50 value of 10 µg ml-1 . Owing to the remarkable cytotoxic activity of the extract the isolated compounds (1-5) were evaluated for their cytototoxicity against the MOLT-4 cell line by MTT assay. Interestingly, compounds 1-2, 4 and 5 showed considerable cytotoxic potential against the human leukaemia cancer cell line (MOLT-4) with IC50 values of 20·0, 10·0, 8·0 and 6·0 µmol l-1 , respectively, while compound 3 showed an IC50 value of 25 µmol l-1 . This is the first report of the existence of this class of secondary metabolites in R. sanctae-cruciana fungus. CONCLUSION: This study discovered a novel compound, named jammosporin A, isolated for the first time from R. sanctae-cruciana, an endophytic fungus of A. lebbeck with anticancer activity against the MOLT-4 cell line. SIGNIFICANCE AND IMPACT OF THE STUDY: Rosellinia sanctae-cruciana represents an interesting source of a new compound with bioactive potential as a therapeutic agent against a human leukaemia cancer cell line (MOLT-4).
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Albizzia/microbiología , Ascomicetos/química , Supervivencia Celular/efectos de los fármacos , Citocalasinas/aislamiento & purificación , Citocalasinas/farmacología , Antineoplásicos/química , Antineoplásicos/aislamiento & purificación , Antineoplásicos/farmacología , Antineoplásicos/toxicidad , Línea Celular Tumoral , Citocalasinas/química , Citocalasinas/toxicidad , Humanos , Concentración 50 Inhibidora , Hojas de la Planta/microbiología , Plantas Medicinales/microbiologíaRESUMEN
Curcumin, a well-documented phytochemical compound used to treat various diseases because of its more tolerability in the human body and has no side effects. The present study describes the metal chelating ability of Curcumin for Mn2+, Fe2+ and Zn2+ metal ions and their antioxidant properties using density functional theory in both gas and DMSO solvent phases. Results reveal that the carbonyl group at diketo moiety is destabilized due to the metal ion coordination. The interaction energies reveal that CurEN-Zn2+ are the most stable rather than the CurEN-Mn2+ and CurEN-Fe2+ complexes. The AIM analysis confirms that the interaction between the metal ions and Curcumin are to be electrostatic dominant. The HOMO-LUMO orbital analysis shows that the charge transfer interaction is dominant for CurEN-Mn2+ and CurEN-Fe2+ complexes. The DMSO solvent interactions decrease the stability of the CurEN-M2+ cation complexes. The antioxidant mechanism is more reactive for metal complexes than the isolated Curcumin. Since Curcumin possess both metal chelating and antioxidant properties, it can be used in chelation therapy for the cure of Alzheimer's disease.
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Antioxidantes/química , Quelantes/química , Complejos de Coordinación/química , Curcumina/química , Teoría Funcional de la Densidad , Metales/química , Antioxidantes/farmacología , Quelantes/farmacología , Complejos de Coordinación/farmacología , Curcumina/farmacología , Humanos , Iones/química , Modelos Moleculares , Conformación MolecularRESUMEN
OBJECTIVE: Postprandial hyperglycemia characterizes early type 2 diabetes. We investigated whether ameliorating postprandial hyperglycemia with acarbose would prevent or delay progression of diabetes, defined as progression to frank fasting hyperglycemia, in subjects with early diabetes (fasting plasma glucose [FPG] <140 mg/dl and 2-h plasma glucose > or =200 mg/dl). RESEARCH DESIGN AND METHODS: Two hundred nineteen subjects with early diabetes were randomly assigned to 100 mg acarbose t.i.d. or identical placebo and followed for 5 years or until they reached the primary outcome (two consecutive quarterly FPG measurements of > or =140 mg/dl). Secondary outcomes included measures of glycemia (meal tolerance tests, HbA(1c), annual oral glucose tolerance tests [OGTTs]), measures of insulin resistance (homeostasis model assessment [HOMA] of insulin resistance and insulin sensitivity index from hyperglycemic clamps), and secondary measures of beta-cell function (HOMA-beta, early- and late-phase insulin secretion, and proinsulin-to-insulin ratio). RESULTS: Acarbose significantly reduced postprandial hyperglycemia. However, there was no difference in the cumulative rate of frank fasting hyperglycemia (29% with acarbose and 34% with placebo; P = 0.65 for survival analysis). There were no significant differences between groups in OGTT values, measures of insulin resistance, or secondary measures of beta-cell function. In a post hoc analysis of subjects with initial FPG <126 mg/dl, acarbose reduced the rate of development of FPG > or =126 mg/dl (27 vs. 50%; P = 0.04). CONCLUSIONS: Ameliorating postprandial hyperglycemia did not appear to delay progression of early type 2 diabetes. Factors other than postprandial hyperglycemia may be greater determinants of progression of diabetes. Alternatively, once FPG exceeds 126 mg/dl, beta-cell failure may no longer be remediable.
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Acarbosa/uso terapéutico , Diabetes Mellitus Tipo 2/tratamiento farmacológico , Hiperglucemia/tratamiento farmacológico , Periodo Posprandial , Acarbosa/administración & dosificación , Adulto , Glucemia/análisis , Diabetes Mellitus Tipo 2/sangre , Diabetes Mellitus Tipo 2/patología , Progresión de la Enfermedad , Femenino , Humanos , Hiperglucemia/sangre , Hipoglucemiantes/administración & dosificación , Hipoglucemiantes/uso terapéutico , Estimación de Kaplan-Meier , Masculino , Persona de Mediana Edad , Resultado del TratamientoRESUMEN
A reconnaissance study has been made on the distribution of 238U, 234U, 232Th and 230Th in soils, water, suspended particulate matter (SPM) and bottom sediments in the Kali river basin around Kaiga, its estuarine region and the adjacent Arabian Sea to obtain the baseline data of U-Th series nuclides in view of the commissioning of nuclear power reactors at Kaiga, near Karwar, on the southwest coast of India. Drainage basin soils developed over greywackes (the dominant litho-unit upstream) are lower in 238U/Al and 232Th/Al ratios by factors of 3-5 in comparison with those developed over tonalitic gneisses (the dominant litho-unit downstream). The dominance of the former type of soils is reflected in the composition of river-bottom sediments derived from the upstream drainage basin during the monsoon. The 232Th in bottom sediments tends to increase towards the estuarine and coastal areas, presumably due to deposition of heavy minerals and onshore transport of coastal sediments into the estuary. The dissolved U in the Kali river is low (0.001-0.02 microg/l) when compared to the major Indian rivers as the Kali river flows through U-poor greywackes. Thus, the input of dissolved U to the Kali estuary is dominated by sea water. Although there is some evidence for the removal of dissolved U at low salinity during estuarine mixing, its behaviour is conservative in the lower estuary (at higher salinities). The removal rate of dissolved U from the Kali river basin is similar to that reported from other tropical river basins. The U flux from all the west-flowing rivers of Peninsular India is estimated at 26.3 x 10(6) g/yr to the Arabian Sea which is about 2% of the flux from the Himalayan rivers to the Bay of Bengal.
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Sedimentos Geológicos/química , Contaminantes Radiactivos del Suelo/análisis , Torio , Uranio , Contaminantes Radiactivos del Agua/análisis , India , Centrales EléctricasRESUMEN
BACKGROUND: Although prostaglandin E2 (PGE2) has been shown to be immunosuppressive, its role in the development of specific bone marrow myeloid lineages after thermal injury and sepsis has yet to be elucidated. The purpose of this study was to demonstrate that alterations in bone marrow progenitor proliferation favoring monocytopoiesis in burn sepsis can be restored by blocking the cellular interactions of PGE2. METHODS: A murine model of burn sepsis with and without treatment with SC-19220, a PGE2 receptor antagonist, was used to determine peripheral monocyte and neutrophil counts as well as the colony forming potential of colony-stimulating factor responsive bone marrow progenitors. RESULTS: Burn sepsis augmented the growth of the early colony-forming unit granulocyte-macrophage and monocyte progenitors and the number of circulating monocytes, whereas granulocyte progenitors and circulating neutrophils demonstrated an opposite response. Treatment with SC-19220 nearly reversed these alterations. CONCLUSION: These data indicate that abrogating PGE2's actions during burn sepsis can restore the balance in bone marrow granulocyte and monocyte production, further consolidating the pivotal role PGE2 plays in the pathogenesis of burn sepsis.
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Quemaduras/complicaciones , Ácido Dibenzo(b,f)(1,4)oxazepina-10(11H)-carboxílico, 8-cloro-, 2-acetilhidrazida/uso terapéutico , Leucopoyesis/efectos de los fármacos , Infecciones por Pseudomonas/tratamiento farmacológico , Infecciones por Pseudomonas/etiología , Receptores de Prostaglandina E/antagonistas & inhibidores , Sepsis/tratamiento farmacológico , Sepsis/etiología , Animales , Ácido Dibenzo(b,f)(1,4)oxazepina-10(11H)-carboxílico, 8-cloro-, 2-acetilhidrazida/inmunología , Ácido Dibenzo(b,f)(1,4)oxazepina-10(11H)-carboxílico, 8-cloro-, 2-acetilhidrazida/farmacología , Modelos Animales de Enfermedad , Evaluación Preclínica de Medicamentos , Células Precursoras Eritroides/efectos de los fármacos , Células Precursoras Eritroides/inmunología , Granulocitos/efectos de los fármacos , Granulocitos/inmunología , Recuento de Leucocitos/efectos de los fármacos , Leucopoyesis/inmunología , Masculino , Ratones , Ratones Endogámicos , Monocitos/efectos de los fármacos , Monocitos/inmunología , Neutrófilos/efectos de los fármacos , Neutrófilos/inmunología , Infecciones por Pseudomonas/sangre , Infecciones por Pseudomonas/inmunología , Receptores de Prostaglandina E/inmunología , Sepsis/sangre , Sepsis/inmunologíaRESUMEN
The activity of asiaticoside, isolated from Centella asiatica, has been studied in normal as well as delayed-type wound healing. In guinea pig punch wounds topical applications of 0.2% solution of asiaticoside produced 56% increase in hydroxyproline, 57% increase in tensile strength, increased collagen content and better epithelisation. In streptozotocin diabetic rats, where healing is delayed, topical application of 0.4% solution of asiaticoside over punch wounds increased hydroxyproline content, tensile strength, collagen content and epithelisation thereby facilitating the healing. Asiaticoside was active by the oral route also at 1 mg/kg dose in the guinea pig punch wound model. It promoted angiogenesis in the chick chorioallantoic membrane model at 40 microg/disk concentration. These results indicate that asiaticoside exhibits significant wound healing activity in normal as well as delayed healing models and is the main active constituent of Centella asiatica.
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Antiinfecciosos/uso terapéutico , Extractos Vegetales/uso terapéutico , Triterpenos/uso terapéutico , Cicatrización de Heridas/efectos de los fármacos , Heridas y Lesiones/patología , Administración Oral , Administración Tópica , Animales , Embrión de Pollo , Cobayas , Técnicas In Vitro , Masculino , Modelos Biológicos , Ratas , Ratas Sprague-Dawley , Estreptozocina/farmacología , Factores de Tiempo , Heridas y Lesiones/metabolismo , Heridas y Lesiones/cirugíaRESUMEN
BACKGROUND: Cyclooxygenase-2 (COX-2) is a key enzyme in the production of prostaglandin E2 (PGE2) from activated macrophages. PGE2 is increased during trauma and sepsis and has been implicated as a negative immunomodulator. The objective of this study was to determine the therapeutic benefits of a COX-2 inhibitor (NS-398) on survival and leukocyte production in a murine model of burn sepsis. METHODS: To determine the in vitro ability of NS-398 to inhibit macrophage production of PGE2, peritoneal elicited macrophages were stimulated for 18 hours with medium alone, endotoxin (ETX) (1 mumol/L), or ETX plus NS-398 (0.3 mumol/L). Macrophage supernatant PGE2 levels were determined by an enzyme immunoassay. To test the in vivo efficacy of NS-398, mice subjected to a 15% dorsal scald burn plus 1,000 colony-forming units of topical Pseudomonas aeruginosa received either 10 mg/kg NS-398 intraperitoneally or placebo 4 to 6 hours after infection and twice daily for 3 days. Survival was measured up to 14 days, and circulating white blood cell (WBC) count and absolute neutrophil count (ANC) were determined 3 days after injury. RESULTS: Macrophage PGE2 production was significantly increased in the ETX-treated group compared with the medium-alone group, and this increase was completely normalized with the addition of NS-398. NS-398 also augmented WBC count (4,288 +/- 649 vs. 7,866 +/- 435 per mm3; p < 0.01) and ANC (1,068 +/- 255 vs. 3,663 +/- 474 per mm3) after burn infection and attenuated macrophage depression of hematopoietic proliferation. Finally, NS-398 treatment significantly improved survival after burn infection, from 0 to 45.5%. CONCLUSION: Inhibition of the COX-2 isoform of cyclooxygenase with NS-398 inhibited macrophage PGE2 production, restored ANC, and improved survival during burn infection. NS-398, therefore, has potential therapeutic benefits in septic patients who have developed neutropenia.
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Antiinflamatorios no Esteroideos/uso terapéutico , Infecciones Bacterianas/tratamiento farmacológico , Infecciones Bacterianas/etiología , Quemaduras/complicaciones , Inhibidores de la Ciclooxigenasa/uso terapéutico , Nitrobencenos/uso terapéutico , Sulfonamidas/uso terapéutico , Animales , Infecciones Bacterianas/enzimología , Infecciones Bacterianas/inmunología , Dinoprostona/análisis , Dinoprostona/metabolismo , Modelos Animales de Enfermedad , Evaluación Preclínica de Medicamentos , Recuento de Leucocitos/efectos de los fármacos , Macrófagos Peritoneales/efectos de los fármacos , Macrófagos Peritoneales/metabolismo , Masculino , Ratones , Ratones Endogámicos , Distribución Aleatoria , Análisis de SupervivenciaRESUMEN
Carbaryl was orally administered to male albino rats at 50 mg or 100 mg carbaryl/kg body weight 5 d/w for 90 d. A significant decrease in weight gain was observed at the high dosage after 60 d. Although no significant changes in the weight of testes, epididymides and accessory sex organs occurred, moderate to marked histopathological changes in the testes were seen at both dosage levels. Testicular enzymes associated with post-meiotic spermatogenic cells (sorbitol dehydrogenase) decreased, while lactate dehydrogenase increased concomitant with the observed degeneration of spermatogenic cells. Enzymes associated with pre-meiotic spermatogenic cells or Sertoli cells (gamma-glutamyl transpeptidase) increased, while glucose-6-phosphate dehydrogenase decreased. These effects were dose related and associated with declines in epididymal sperm count and percent sperm motility and increased abnormal sperm morphology.
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Carbaril/toxicidad , Insecticidas/toxicidad , Testículo/efectos de los fármacos , Administración Oral , Animales , Carbaril/administración & dosificación , Relación Dosis-Respuesta a Droga , Glucosafosfato Deshidrogenasa/metabolismo , Insecticidas/administración & dosificación , L-Iditol 2-Deshidrogenasa/metabolismo , L-Lactato Deshidrogenasa/metabolismo , Masculino , Tamaño de los Órganos/efectos de los fármacos , Ratas , Ratas Wistar , Recuento de Espermatozoides/efectos de los fármacos , Motilidad Espermática/efectos de los fármacos , Espermatogénesis/efectos de los fármacos , Testículo/enzimología , Testículo/patología , gamma-Glutamiltransferasa/metabolismoRESUMEN
Serum calcium and phosphorus levels were measured at birth, 6 hours, 24 hours, and on 5th day of life in 35 neonates with birth asphyxia (one-minute Apgar score of 6 or less), and in 37 neonates without asphyxia (one-minute Apgar score of 7 or more). Infants were divided into three groups: FT-AGA (n = 30, asphyxia = 15), FT-IUGR (n = 20, asphyxia = 10) and PT-AGA (n = 22, asphyxia = 10). Asphyxiated infants--FT-AGA as well as FT-IUGR--had significantly lower serum calcium levels than control infants during each of the time period studied. In PT-AGA infants with asphyxia, the serum calcium was significantly low only on 5th day of life. Lack of calcium intake, and hyperphosphatemia were identified as possible risk factors for low serum calcium in asphyxiated infants. No change in serum calcium levels was found in bicarbonate-treated asphyxiated infants in comparison to those who did not receive sodium bicarbonate. In view of the high incidence of low serum calcium in asphyxiated infants, serial monitoring of serum calcium levels is recommended in these infants.
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Asfixia Neonatal/sangre , Asfixia Neonatal/complicaciones , Hipocalcemia/etiología , Fósforo/sangre , Puntaje de Apgar , Asfixia Neonatal/diagnóstico , Calcio/sangre , Femenino , Humanos , Hipocalcemia/diagnóstico , Recién Nacido , Masculino , Pronóstico , Valores de Referencia , Sensibilidad y EspecificidadRESUMEN
Orally administered banana pulp powder (Musa sapientum var. paradisiaca) was shown to have significant anti-ulcerogenic activity in rats subjected to aspirin, indomethacin, phenylbutazone, prednisolone and cysteamine and in guinea-pigs subjected to histamine. Banana powder not only increased mucosal thickness but also significantly increased [3H]thymidine incorporation into mucosal DNA. Relative to untreated control sections, histological studies showed that banana treatment increased staining by alcian blue in the apical cells with staining noted in the deeper layers of the mucosal glands. Banana-treated and control sections were also stained for DNA by the Feulgen reaction. The banana-treated sections showed a greater aggregation and intensity of pink spots when compared to controls. The present study suggests that banana powder treatment not only strengthens mucosal resistance against ulcerogens but also promotes healing by inducing cellular proliferation.