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Population declines of Gyps vultures across the Indian subcontinent were caused by unintentional poisoning by the non-steroidal anti-inflammatory drug (NSAID) diclofenac. Subsequently, a number of other NSAIDs have been identified as toxic to vultures, while one, meloxicam, is safe at concentrations likely to be encountered by vultures in the wild. Other vulture-safe drugs need to be identified to reduce the use of those toxic to vultures. We report on safety-testing experiments on the NSAID tolfenamic acid on captive vultures of three Gyps species, all of which are susceptible to diclofenac poisoning. Firstly, we estimated the maximum level of exposure (MLE) of wild vultures and gave this dose to 40 Near Threatened Himalayan Griffons G. himalayensis by oral gavage, with 15 control birds dosed with benzyl alcohol (the carrier solution for tolfenamic acid). Two birds given tolfenamic acid died with elevated uric acid levels and severe visceral gout, while the remainder showed no adverse clinical or biochemical signs. Secondly, four G. himalayensis were fed tissues from water buffaloes which had been treated with double the recommended veterinary dose of tolfenamic acid prior to death and compared to two birds fed uncontaminated tissue; none suffered any clinical effects. Finally, two captive Critically Endangered vultures, one G. bengalensis and one G. indicus, were given the MLE dose by gavage and compared to two control birds; again, none suffered any clinical effects. The death of two G. himalayensis may have been an anomaly due to i) the high dose level used and ii) the high ambient temperatures at the time of the experiment. Tolfenamic acid is likely to be safe to Gyps vultures at concentrations encountered by wild birds and could therefore be promoted as a safe alternative to toxic NSAIDs. It is manufactured in the region, and is increasingly being used to treat livestock.
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Antiinflamatorios no Esteroideos , Falconiformes , Animales , Antiinflamatorios no Esteroideos/toxicidad , Bovinos , Diclofenaco , ortoaminobenzoatos/toxicidadRESUMEN
OBJECTIVE: The aim of this study was to elucidate the molecular mechanism by which antidiuretic hormone (ADH) inhibited osteogenesis in dental follicle stem cells. DESIGN: Rat dental follicle stem cells were cultured in osteogenic differentiation medium supplemented with ADH. Alkaline phosphatase enzyme activity, Alizarin Red S staining, MTT assay and RT-qPCR was used to examine ADH's impact on cell mineralization, viability, and osteogenic gene expression. Real-time calcium imaging analysis was performed to identify the ADH receptor and its mechanism of action. RESULTS: ADH supplementation to the osteogenic differentiation medium inhibited cell mineralization without compromising cell viability and downregulated the expression of key osteogenic genes: DCN (Decorin), RUNX2 (Runt-related transcription factor 2) and BSP (Bone sialoprotein). Real-time calcium imaging analysis revealed that ADH (1-1000 nM) increased intracellular calcium in a concentration-dependent manner. Pretreatment of cells with V2255, a V1a receptor blocker, inhibited the calcium signals, but not with the V1b (Nelivaptan) or V2 (Tolvaptan). V2255 also reversed the inhibitory effect of ADH on osteogenesis. Furthermore, U73122, a Phospholipase C (PLC) inhibitor, 2-APB, an Inositol Triphosphate (IP3) receptor blocker, and depletion of endoplasmic reticulum calcium stores abolished the calcium signals by ADH. CONCLUSIONS: Our results demonstrated that ADH activates V1a receptors and the PLC-IP3 pathway to stimulate intracellular calcium signals, which inhibits cell mineralization and osteogenic gene expression. These findings uncovered a novel function for ADH as a negative regulator of osteogenesis in dental follicle stem cells. The role of ADH in the pathogenesis of bone diseases remains to be determined.
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Saco Dental , Osteogénesis , Fosfatasa Alcalina , Animales , Diferenciación Celular , Células Cultivadas , Ratas , Células Madre , VasopresinasRESUMEN
⢠The international committee on taxonomy of viruses declared the "severe acute respiratory syndrome coronavirus 2" (SARS-CoV-2) as the new virus which has quickly transmitted from human to human and speed expeditiously across the globe causing Coronavirus Disease 2019 (COVID-19) pandemic. ⢠At present, COVID-19 is treated using chloroquine, hydroxychloroquine, remdesivir, etc,; however, these drugs have demonstrated inadequate clinical response while causing serious adverse effects. This facilitates the study of inhibition of COVID-19 protease by traditional herbal plants and dietary therapy. ⢠India has always been a rich reservoir of medicinal plants because of several agro-climatic zones. Indian herbal plants such as harsingar (night jasmine or parijat), giloy (moonseed plant or guduchi) and aloe vera (ghrit kumari) are particularly interesting in terms of their inhibition potentials. Chinese Herbal medicines (CHM) has been recommended and included in the interim guidelines for the treatment of COVID-19 as Chinese medicine is on the mainstream health care system in China. ⢠The key functional food plants with immunomodulatory and antiviral; antibacterial; antifungal; anti-inflammatory; antioxidant; anticancer activity included liquorice (Glycyrrhiza glabra L.), garlic (Allium sativum L.), tea (Camellia sinensis [L.] Kuntez), ginger (Zingiber officinale Roscoe), turmeric (Curcuma longa L.) pomegranate (Punica granatum L.), black pepper (Pipper nigram L.) etc. ⢠The present study explores the scientific data to provide exclusive analysis and establish the prospects of traditional medicine (TM) and dietary therapy (DT) in treatment and prevention of Coronavirus Disease 2019 (COVID-19) patients.
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Humanos , Preparaciones de Plantas/uso terapéutico , COVID-19/tratamiento farmacológico , Fitoterapia , Medicina Tradicional , Trinidad y Tobago , Medicamentos Herbarios Chinos/uso terapéutico , SARS-CoV-2/efectos de los fármacos , COVID-19/prevención & controlRESUMEN
AIM: The present study aimed to assess the effects of Nano Leo, a prosexual nutrient formulation, on libido, erection, and orgasm in patients with erectile dysfunction (ED). METHODS: This was a prospective, single-center, phase IV efficacy study. Patients received two capsules for 7 days and thereafter one capsule through 90 days. Main outcome measures: primary endpoint was change in erectile function assessed using the International Index of Erectile Function (IIEF) questionnaire. Secondary endpoints included improvement in testosterone levels, FSH, LH, and prolactin levels; seminal parameters; and overall quality of life (QoL). RESULTS: Our study included 99 men (mean age 32.2 ± 4.71 years). Mean erectile function domain score increased from 18.9 ± 5.67 at baseline to 23.7 ± 4.01 on day 90 (P < 0.001). Similar improvements were observed in orgasmic function, sexual desire, intercourse satisfaction, and overall satisfaction domains of IIEF score which was seen as early as day 30. Improved IIEF corroborated with improvement in all QoL domains. From baseline to day 90, treatment with Nano Leo increased testosterone levels (5.04 ± 2.22 vs. 5.57 ± 1.53 ng/mL, P < 0.001). Similar improvements were observed in orgasmic function, sexual desire, intercourse satisfaction, and overall satisfaction domains of IIEF score which was seen as early as day 30. Improved IIEF corroborated with improvement in all QoL domains. From baseline to day 90, treatment with Nano Leo increased testosterone levels (5.04 ± 2.22 vs. 5.57 ± 1.53 ng/mL. CONCLUSION: Nano Leo showed improved libido, erection, and orgasm as evaluated by IIEF and QoL and was well tolerated. Therefore, Nano Leo could be an effective and safe pronutrient supplement in managing ED.
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Anxiety is a psychiatric disorder with unknown neurobiology; however, neurotransmitters like gamma-amino butyric acid, norepinephrine and serotonin (5-HT) play crucial roles in mediating anxiety. Present drug modules pose dependence risk to the patient; hence, there is a great need to develop complementary therapies to fight this disorder. Aromatherapy has also been employed in ancient times for a number of mental disorders. Mahamrituanjay Mantra, Om triambkum yajamahe, sughandhim puushtivardhanam, urvarukmev vandhanaat, mrityu mokshay mamritaat!!!!, the part of veda enlightens that aroma gives rise to good health (sughandhim puushtivardhanam). Hawan is a religious practice recommended for mental peace. Hawan is a process in which special herbs are offered in the fire of medicinal woods ignited in a specially designed fire pit. Analysis of literature demonstrates that the components of Hawan are having a number of volatile oils that are specifically useful for prevention and treatment of anxiety through some mechanism of action. Due to high temperature of fire, the vapors of these oils from herbs enter into the central nervous system through nasal route. As per modern science and ancient texts on medicine, nasal drug delivery systems are the best for the diseases related to brain and head. The routine of performing Hawan might keep the threshold value of the therapeutic components in the body and help in preventing anxiety. In the present manuscript, authors highlight and integrate the modern and ancient concepts for treatment and prevention of anxiety through scientific evidences.
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Trastornos de Ansiedad/terapia , Ansiedad/terapia , Aromaterapia , Aceites Volátiles/uso terapéutico , Ansiedad/psicología , Trastornos de Ansiedad/psicología , Humanos , Aceites Volátiles/administración & dosificación , Calidad de Vida , EspiritualidadRESUMEN
In 2014 the International Endohernia Society (IEHS) published the first international "Guidelines for laparoscopic treatment of ventral and incisional abdominal wall hernias". Guidelines reflect the currently best available evidence in diagnostics and therapy and give recommendations to help surgeons to standardize their techniques and to improve their results. However, science is a dynamic field which is continuously developing. Therefore, guidelines require regular updates to keep pace with the evolving literature. METHODS: For the development of the original guidelines all relevant literature published up to year 2012 was analyzed using the ranking of the Oxford Centre for Evidence-Based-Medicine. For the present update all of the previous authors were asked to evaluate the literature published during the recent years from 2012 to 2017 and revise their statements and recommendations given in the initial guidelines accordingly. In two Consensus Conferences (October 2017 Beijing, March 2018 Cologne) the updates were presented, discussed, and confirmed. To avoid redundancy, only new statements or recommendations are included in this paper. Therefore, for full understanding both of the guidelines, the original and the current, must be read. In addition, the new developments in repair of abdominal wall hernias like surgical techniques within the abdominal wall, release operations (transversus muscle release, component separation), Botox application, and robot-assisted repair methods were included. RESULTS: Due to an increase of the number of patients and further development of surgical techniques, repair of primary and secondary abdominal wall hernias attracts increasing interests of many surgeons. Whereas up to three decades ago hernia-related publications did not exceed 20 per year, currently this number is about 10-fold higher. Recent years are characterized by the advent of new techniques-minimal invasive techniques using robotics and laparoscopy, totally extraperitoneal repairs, novel myofascial release techniques for optimal closure of large defects, and Botox for relaxing the abdominal wall. Furthermore, a concomitant rectus diastasis was recognized as a significant risk factor for recurrence. Despite still insufficient evidence with respect to these new techniques it seemed to us necessary to include them in the update to stimulate surgeons to do research in these fields. CONCLUSION: Guidelines are recommendations based on best available evidence intended to help the surgeon to improve the quality of his daily work. However, science is a continuously evolving process, and as such guidelines should be updated about every 3 years. For a comprehensive reference, however, it is suggested to read both the initially guidelines published in 2014 together with the update. Moreover, the presented update includes also techniques which were not known 3 years before.
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Pared Abdominal/cirugía , Hernia Ventral/cirugía , Herniorrafia/normas , Laparoscopía/normas , Medicina Basada en la Evidencia , Herniorrafia/métodos , Humanos , Laparoscopía/métodos , Sociedades MédicasRESUMEN
In 2014, the International Endohernia Society (IEHS) published the first international "Guidelines for laparoscopic treatment of ventral and incisional abdominal wall hernias." Guidelines reflect the currently best available evidence in diagnostics and therapy and give recommendations to help surgeons to standardize their techniques and to improve their results. However, science is a dynamic field which is continuously developing. Therefore, guidelines require regular updates to keep pace with the evolving literature. METHODS: For the development of the original guidelines, all relevant literature published up to year 2012 was analyzed using the ranking of the Oxford Centre for Evidence-Based Medicine. For the present update, all of the previous authors were asked to evaluate the literature published during the recent years from 2012 to 2017 and revise their statements and recommendations given in the initial guidelines accordingly. In two Consensus Conferences (October 2017 Beijing, March 2018 Cologne), the updates were presented, discussed, and confirmed. To avoid redundancy, only new statements or recommendations are included in this paper. Therefore, for full understanding both of the guidelines, the original and the current, must be read. In addition, the new developments in repair of abdominal wall hernias like surgical techniques within the abdominal wall, release operations (transversus muscle release, component separation), Botox application, and robot-assisted repair methods were included. RESULTS: Due to an increase of the number of patients and further development of surgical techniques, repair of primary and secondary abdominal wall hernias attracts increasing interests of many surgeons. Whereas up to three decades ago hernia-related publications did not exceed 20 per year, currently this number is about 10-fold higher. Recent years are characterized by the advent of new techniques-minimal invasive techniques using robotics and laparoscopy, totally extraperitoneal repairs, novel myofascial release techniques for optimal closure of large defects, and Botox for relaxing the abdominal wall. Furthermore, a concomitant rectus diastasis was recognized as a significant risk factor for recurrence. Despite insufficient evidence with respect to these new techniques, it seemed to us necessary to include them in the update to stimulate surgeons to do research in these fields. CONCLUSION: Guidelines are recommendations based on best available evidence intended to help the surgeon to improve the quality of his daily work. However, science is a continuously evolving process, and as such guidelines should be updated about every 3 years. For a comprehensive reference, however, it is suggested to read both the initial guidelines published in 2014 together with the update. Moreover, the presented update includes also techniques which were not known 3 years before.
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Hernia Abdominal/cirugía , Hernia Ventral/cirugía , Hernia Incisional/cirugía , Laparoscopía , Hernia Abdominal/diagnóstico por imagen , Hernia Ventral/diagnóstico por imagen , Herniorrafia/métodos , Herniorrafia/normas , Humanos , Hernia Incisional/diagnóstico por imagen , Complicaciones Intraoperatorias , Imagen por Resonancia Magnética , Obesidad/complicaciones , Posicionamiento del Paciente , Complicaciones Posoperatorias , Recurrencia , Procedimientos Quirúrgicos Robotizados , Mallas Quirúrgicas , Tomografía Computarizada por Rayos XRESUMEN
Ovalbumin is considered a protein of high nutritional value because it contains essential amino acids and is highly digestible. Therefore, it has a high biological value. Currently, the high food demand requires worldwide attention because food production is insufficient. Therefore, other alternatives are necessary to satisfy food demands, such as protein engineering. In this work, a protein with a high essential amino acid content similar to ovalbumin was synthesized by protein engineering, expressed, and digested in vitro. The assembly and sequential overlap extension PCR strategy was used to synthesize a 345-bp gene that encodes a high essential amino acid content protein (HEAAP). The 345-bp product was cloned into the vector pBAD TOPO®, and expressed in Escherichia coli BL21. PCR reactions and sequencing demonstrated the presence, orientation, and correct sequence of the insert. HEAAP expression was induced by L-arabinose and then purified using Ni-NTA affinity chromatography. The expression in E. coli was low and barely detected by Western blot assay. The in vitro multienzyme digestibility of HEAAP was around 79%, which suggests that the protein is potentially nutritious. Virtual analysis classifies the protein as unstable and hydrophilic, with a half-life in E. coli of 10 h. The recombinant HEAAP was successfully synthesized, but it is necessary to improve the digestibility and to optimize expression including selecting other expression models.
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Ingeniería de Proteínas/métodos , Proteínas Recombinantes/síntesis química , Proteínas Recombinantes/aislamiento & purificación , Aminoácidos Esenciales/síntesis química , Aminoácidos Esenciales/fisiología , Cromatografía de Afinidad , Clonación Molecular/métodos , Suplementos Dietéticos , Escherichia coli/genética , Reacción en Cadena de la Polimerasa/métodos , Proteínas/síntesis química , Proteínas/aislamiento & purificación , Proteínas Recombinantes de Fusión/genética , Proteínas Recombinantes/genéticaRESUMEN
In view of the overall health impact of NIDDM, inventers understand the necessity of improving glycemic control in adults with type 2 diabetes. BGR-34 provides an effective treatment option for adults with type 2 diabetes who have been inadequately controlled on lifestyle with or without other oral hypoglycemic agents (OHGAs) such as metformin, sulfonylurea, or a glitazones. BGR-34 is an appropriate option to consider for addition to a managed care drug formulary. Treatment with BGR-34 produced clinically relevant and statistically significant reductions in all three key measures of glucose control studied -FPG, PPBG and HbA1c- when compared with placebo. BGR-34, showed the promising result with respect to glycemic parameters in NIDDM patient with a significant reduction in fasting blood sugar by 34.3%, postprandial blood sugar 35.5% & glycosylated haemoglobin by 20.31% as compared to placebo group showing a reduction by 13.2%, 10.9% & 10.87% respectively. The trial has also been registered to CTRI, India. This study has been registered in the clinical trial registry-India.
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In the present study, we have evaluated the antifungal activity of the seed, root and leaf of Paeonia emodi (commonly known as Himalayan peony) in four common solvents (acetone, chloroform, methanol and water) against six fungal strains. The methanolic seed extract (MSE) showed promising antifungal activity against Candida albicans (6.25mg/mL), Candida glabrata (3.12mg/mL) and Candida parapsilosis (12.50mg/mL) among all the fungal strains tested. Combination of the MSE with the well-known commercial antifungal drugs amphotericin B (Amp B), nystatin (NYS) and fluconazole (FLC) resulted in the killing of C. glabrata at non-inhibitory concentrations, i.e., 0.35µg/mL for Amp B, 0.55µg/mL for NYS and 1.19µg/mL for FLC. Notably, MSE caused cell wall damage of C. glabrata cells, as confirmed by confocal microscopy, flowcytometry and scanning electron microscopy (SEM). The MSE was fractionated by thin layer chromatography (TLC). TLC-bioautography was used to determine the active compounds present in the MSE. Column chromatography was used to separate the potential active compounds from the MSE. Furthermore, gas chromatography-mass spectrometry (GC-MS) andfourier-transform infrared spectroscopy (FTIR) were used to identify the phytocomponents of the MSE. These experiments revealed 13-docosenamide/9-octadecenamide/trans-13-docosenamide (89.70%) as being the predominant compound using a chloroform/methanol solvent system for the separation. Interestingly, the MSE also exhibited less significant cytotoxicity at the minimum inhibitory concentration (MIC) against mammalian cells (HeLa and HEK293). This study suggests that the MSE of P. emodi can be used for the treatment of C. glabrata infection.
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Antifúngicos , Candida glabrata/efectos de los fármacos , Paeonia/química , Antifúngicos/aislamiento & purificación , Antifúngicos/farmacología , Candida glabrata/fisiología , Supervivencia Celular/efectos de los fármacos , Células HEK293 , Células HeLa , Humanos , Pruebas de Sensibilidad Microbiana , Fitoquímicos/aislamiento & purificación , Fitoquímicos/farmacología , Extractos Vegetales/aislamiento & purificación , Extractos Vegetales/farmacologíaRESUMEN
A study of 120 days was undertaken to ascertain the effect of mannan-oligosaccharides (MOS) and Lactobacillus acidophilus supplementation on growth performance, nutrient utilization and faecal characteristics in Murrah buffalo calves. Twenty Murrah buffalo calves of 5-7 days old and 31 ± 2.0 kg of body weight (BW) were randomly assigned into four groups. Group I served as the control (CON) in which only basal diet (concentrate mixture and green fodder) was provided, without any supplementation. Mannan-oligosaccharides at 4 g/calf/day were supplemented as prebiotic to Group II (PRE), whereas Group III (PRO) received Lactobacillus acidophilus in the form of fermented milk as probiotic at 200 ml/calf/day having 108 CFU/ml and Group IV (SYN) was supplemented with both MOS and Lactobacillus acidophilus as synbiotic at similar dose. Final BW (kg), dry matter intake, average daily gain, feed conversion efficiency and structural growth measurements were improved (p < .05) in the treatment groups compared to control. Digestibility of neutral detergent fibre was higher (p < .05) in SYN followed by PRE and PRO than control. The faecal lactobacilli and bifidobacterium population was higher (p < .05) in all the supplemented groups with a concomitant reduction in faecal coliform count as compared to control. Faecal ammonia, lactate and pH were also altered favourably (p < .05) in all the supplemented groups as compared to CON. The faecal volatile fatty acids were higher (p < .05) in PRE, PRO and SYN group than CON. The incorporation of MOS and Lactobacillus acidophilus in diet either individually or in combination as synbiotic has the potential to improve the performance and faecal characteristics in Murrah buffalo calves; however, the observed responses among the treatment groups were more evident in the synbiotic fed group compared to individual supplementation of MOS and Lactobacillus acidophilus.
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Búfalos/fisiología , Suplementos Dietéticos , Heces/química , Lactobacillus acidophilus , Mananos/química , Alimentación Animal/análisis , Fenómenos Fisiológicos Nutricionales de los Animales , Animales , Dieta/veterinaria , Digestión , Fermentación , Leche , ProbióticosRESUMEN
The present study reports the antioxidant, cytotoxic and anti-leishmanial activities of cinnamaldehyde and eugenol. Both the compounds are naturally present in cinnamon and bay leaf. Eugenol is abundantly present in clove. The antioxidant potential was measured in terms of reducing power (FRAP assay), nitric oxide (NO) radical scavenging ability and anti-lipid peroxidative activities. MTT assay was used to evaluate the effect of test compounds on cell viability of prostate cancer cell line (PC-3) as well as for the assessment of in vitro growth inhibition of promastigotes as a measure of anti-leishmanial activity. Eugenol exhibited considerable NO radical scavenging (63%) and reducing abilities (FRAP value 127×104 µM/mM) while cinnamaldehyde showed comparatively better protective efficacy against lipid peroxidation in rat brain and kidney homogenates (up to 40%). Cinnamaldehyde also displayed substantial cytotoxic activity (75%) against PC-3 cell line. Both the compounds exhibited moderate anti-leishmanial activity and IC50 values for eugenol and cinnamaldehyde were found to be 0.681 g/ml and 1.426g/ml, respectively. The study revealed that both the test compounds have noticeable antioxidant and cytotoxic activities.
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Acroleína/análogos & derivados , Antioxidantes/farmacología , Eugenol/farmacología , Leishmania/efectos de los fármacos , Acroleína/farmacología , Animales , Línea Celular Tumoral , Supervivencia Celular/efectos de los fármacos , Depuradores de Radicales Libres/farmacología , Laurus/química , Peroxidación de Lípido/efectos de los fármacos , Óxido Nítrico/metabolismo , Extractos Vegetales/farmacología , RatasRESUMEN
BACKGROUND: In countries with universal health coverage, the delivery of care should be driven by need. However, other factors, such as proximity to local facilities or neighbourhood socioeconomic status, may be more important. The objective of this study was to evaluate which geographic and socioeconomic factors affect the delivery of bariatric care in Canada. METHODS: This was a national retrospective cohort study of all adult patients undergoing bariatric surgery between April 2008 and March 2015 in Canada (excluding Quebec). The main outcome was neighbourhood rate of bariatric surgery per 1000 obese individuals (BMI over 30 kg/m2 ). Geographic cluster analysis and multilevel ordinal logistic regression were used to identify high-use clusters, and to evaluate the effect of geographic and socioeconomic factors on care delivery. RESULTS: Having a bariatric facility within the same public health unit as the neighbourhood was associated with a 6·6 times higher odds of being in a bariatric high-use cluster (odds ratio (OR) 6·60, 95 per cent c.i. 1·90 to 22·88; P = 0·003). This finding was consistent across provinces after adjusting for utilization rates. Neighbourhoods with higher obesity rates were also more likely to be within high-use clusters (OR per 5 per cent increase: 2·95, 1·54 to 5·66; P = 0·001), whereas neighbourhoods closer to bariatric centres were less likely to be (OR per 50 km: 0·91, 0·82 to 1·00; P = 0·048). CONCLUSION: In this study, across provincial healthcare systems with high and low utilization, the delivery of care was driven by the presence of local facilities and neighbourhood obesity rates. Increasing distance to bariatric centres substantially influenced care delivery.
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Cirugía Bariátrica/estadística & datos numéricos , Accesibilidad a los Servicios de Salud , Obesidad/cirugía , Características de la Residencia , Factores Socioeconómicos , Canadá/epidemiología , Análisis por Conglomerados , Humanos , Modelos Logísticos , Programas Nacionales de Salud , Obesidad/epidemiología , Estudios RetrospectivosRESUMEN
Neomorphic mutations in isocitrate dehydrogenase 1 (IDH1) are frequently found in several human cancer types including acute myeloid leukemia (AML) and lead to the production of high levels of the oncometabolite (R)-2-hydroxyglutarate (R-2HG). Here we report the characterization of BAY1436032, a novel pan-mutant IDH1 inhibitor, both in vitro and in vivo. BAY1436032 specifically inhibits R-2HG production and colony growth, and induces myeloid differentiation of AML cells carrying IDH1R132H, IDH1R132C, IDH1R132G, IDH1R132L and IDH1R132S mutations. In addition, the compound impacts on DNA methylation and attenuates histone hypermethylation. Oral administration of BAY1436032 led to leukemic blast clearance, myeloid differentiation, depletion of leukemic stem cells and prolonged survival in two independent patient-derived xenograft IDH1 mutant AML mouse models. Together, BAY1436032 is highly effective against all major types of IDH1 mutant AML.
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Compuestos de Anilina/uso terapéutico , Antineoplásicos/uso terapéutico , Bencimidazoles/uso terapéutico , Inhibidores Enzimáticos/uso terapéutico , Isocitrato Deshidrogenasa/antagonistas & inhibidores , Leucemia Mieloide Aguda/tratamiento farmacológico , Proteínas de Neoplasias/antagonistas & inhibidores , Compuestos de Anilina/farmacología , Animales , Antineoplásicos/farmacología , Bencimidazoles/farmacología , Línea Celular Tumoral , Metilación de ADN/efectos de los fármacos , Inhibidores Enzimáticos/farmacología , Glutaratos/metabolismo , Código de Histonas/efectos de los fármacos , Humanos , Isocitrato Deshidrogenasa/genética , Leucemia Mieloide Aguda/enzimología , Leucemia Mieloide Aguda/genética , Metilación/efectos de los fármacos , Ratones , Terapia Molecular Dirigida , Mutación , Mutación Missense , Células Mieloides/efectos de los fármacos , Mielopoyesis/efectos de los fármacos , Proteínas de Neoplasias/genética , Células Madre Neoplásicas/efectos de los fármacos , Células Madre Neoplásicas/enzimología , Mutación Puntual , Procesamiento Proteico-Postraduccional/efectos de los fármacos , Ensayo de Tumor de Célula Madre , Ensayos Antitumor por Modelo de XenoinjertoRESUMEN
AIMS: The present work investigates the implication of leaf spot disease on the antioxidant potential and commercial value of pharmaceutically important constituents of Withania somnifera, a high-valued medicinal plant. METHODS AND RESULTS: Leaf spot disease was induced in W. somnifera by inoculating Alternaria alternata (Fr.) Keiss. pathogen. Total polyphenolic content and antioxidant potential showed a significant decrease during leaf spot disease. Evaluation of pharmaceutically active constituents withaferin A, withanone and withanolide A utilizing high-performance liquid chromatography showed a significant decrease in diseased samples as compared to healthy ones. Quantitative expression of major genes involved in withanolide biosynthesis also showed down-regulation in diseased samples. Alterations in the ultra-structure of chloroplasts were also analysed under transmission electron microscopy to get a better insight into the changes of withanolide biosynthesis in leaf during disease infestation. CONCLUSIONS: The present work suggests that when the pathogenic fungus invades the host plants, it evokes multiple responses, which could be studied at various levels. The knowledge gained from this work will provide appropriate rationale for controlling the bio-deterioration of the pharmaceutically active metabolites in W. somnifera and development of suitable strategies against leaf spot disease. SIGNIFICANCE AND IMPACT OF THE STUDY: This is the first study to investigate the effect of leaf spot disease on the human health-promoting constituents and withanolide biosynthesis in this high-valued medicinal plant.
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Alternaria/fisiología , Hojas de la Planta/microbiología , Withania/microbiología , Witanólidos/metabolismo , Humanos , Enfermedades de las Plantas/microbiología , Hojas de la Planta/química , Raíces de Plantas/química , Raíces de Plantas/metabolismo , Plantas Medicinales/química , Plantas Medicinales/metabolismo , Triterpenos/análisis , Triterpenos/metabolismo , Withania/química , Witanólidos/análisisRESUMEN
Juvenile onset open angle glaucoma (JOAG) affects patients before 40 years of age, who present with high intraocular pressure and deep steep cupping of the optic nerve head. While it was considered to be inherited in an autosomal dominant fashion, recent studies have shown an autosomal recessive pattern as well as sporadic occurrence of the disease in several families. In this review, we analyze the genetic basis of the disease along with common mutations and their association with JOAG. We also analyzed the inheritance patterns in a large group of unrelated JOAG patients (n = 336) from Northern India wherein the prevalence of familial occurrence was assessed and segregation analysis performed, to determine the mode of inheritance.
Asunto(s)
Citocromo P-450 CYP1B1/genética , Proteínas del Citoesqueleto/genética , Proteínas del Ojo/genética , Predisposición Genética a la Enfermedad , Glaucoma de Ángulo Abierto/genética , Glicoproteínas/genética , Adolescente , Adulto , Edad de Inicio , Estudio de Asociación del Genoma Completo , Glaucoma de Ángulo Abierto/epidemiología , Glaucoma de Ángulo Abierto/fisiopatología , Humanos , India , Presión Intraocular/genética , Mutación , Disco Óptico/fisiopatología , Adulto JovenRESUMEN
The objective of the present study was to evaluate the effect of omega-3 and omega-6 PUFA enriched diet on plasma IGF-1 and testosterone concentrations, puberty, sperm fatty acid profile and semen quality in male buffalo. Eighteen male buffalo calves were distributed randomly in three different groups and fed concentrate mixture along with green fodder and wheat straw in 50:40:10 ratios as per requirements. Basis ration of animals in group I was supplemented with 4% of prilled fat (PFA), while in group II and group III were added 4.67% of Calcium salt from Soybean (CaSFA) and Linseed oil (CaLFA), respectively. Male buffalo fed omega-3 PUFA high diet significantly increased concentrations of IGF-1 and testosterone in plasma as compared to two other diets (p<0.05). The age of puberty and scrotal circumference significantly increased by dietary fat effect (p<0.05) of which n-3 PUFA enriched diet (CaLFA) had the largest influence as compared to other diets (PFA and CaSFA). Feeding of n-3 PUFA rich diet significantly increased the DHA (C22:6n-3) content in sperm (p<0.05), which contributed to increased fluidity of plasma membrane, elevated quality of sperm (motility, viability) and in vitro fertility (plasma membrane integrity, acrosome integrity) in both fresh and post-thawing semen. These findings indicate that feeding of n-3 PUFA enriched diet increased IGF-1 and testosterone secretion, reduced pubertal age and improved both fresh and post-thawing semen quality in male buffalo.
Asunto(s)
Alimentación Animal/análisis , Búfalos/crecimiento & desarrollo , Dieta/veterinaria , Ácidos Grasos Omega-3/farmacología , Ácidos Grasos Omega-6/farmacología , Maduración Sexual/efectos de los fármacos , Animales , Búfalos/fisiología , Ácidos Grasos Omega-3/administración & dosificación , Ácidos Grasos Omega-6/administración & dosificación , Factor I del Crecimiento Similar a la Insulina/metabolismo , Masculino , Semen , Análisis de Semen/veterinaria , Testosterona/sangreRESUMEN
The present study examined whether a single or multiple episode(s) of status epilepticus induced with kainic acid (KA) during the first 3 weeks of postnatal (P) development would aberrantly stimulate proliferation zones that alters migration to potentially injured areas and whether they would be blocked by selective Group I mGluR antagonists. mGluR1α (LY367385) and mGluR5 (MPEP) antagonists were administered 2h following KA-induced status epilepticus and animals were examined after 7days. Proliferating cells of the subventricular zone (SVZ), third ventricle, hippocampus, amygdala cortical complex were analyzed with the proliferative marker, Ki67; and two complementary retrograde dye tracers. Proliferation increased in extrahippocampal limbic structures when KA was administered on P13 or P20 which correlated with number of injured cells at the older age. LY367385 post-treatment caused striking decreases in proliferation in all limbic structures in the presence and absence of injury, whereas a reduction with MPEP was observed only within the amygdala cortical complex (Amg/ERcx) in the presence of multiple seizures (3×KA). After 3×KA and LY367385 post-treatments, diminished co-staining of dye tracers with Ki67 was observed within the Amg/ERcx despite high levels of progenitors marked by the retrograde tracers in this region. This indicates that not only was local proliferation within the SVZ and distant structures inhibited, but also that migration itself was reduced indirectly since there were less cells to migrate from the SVZ. Co-labeling with biomarkers provided evidence for neuronal differentiation suggesting potential aberrant integration may occur in distant locations, and that targeting of mGluR1α receptors may be a potential therapeutic strategy for future development.