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1.
Environ Toxicol ; 39(7): 3967-3979, 2024 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-38598732

RESUMEN

Mono-(2-ethylhexyl) phthalate (MEHP) can accumulate in the liver and then lead to hepatic steatosis, while the underlying mechanism remains unclear. Inflammation plays an important role in the disorder of hepatic lipid metabolism. This study aims to clarify the role of the inflammatory response mediated by formyl peptide receptor 2 (FPR2) in steatosis of L02 cells exposed to MEHP. L02 cells were exposed to MEHP of different concentrations and different time. A steatosis model of L02 cells was induced with oleic acid and the cells were exposed to MEHP simultaneously. In addition, L02 cells were incubated with FPR2 antagonist and then exposed to MEHP. Lipid accumulation was determined by oil red O staining and extraction assay. The indicators related to lipid metabolism and inflammatory response were measured with appropriate kits. The relative expression levels of FPR2 and its ligand were determined by Western blot, and the interaction of them was detected by co-immunoprecipitation. As a result, MEHP exposure could promote the occurrence and progression of steatosis and the secretion of chemokines and inflammatory factors in L02 cells. MEHP could also affect the expression and activation of FPR2 and the secretion of FPR2 ligands. In addition, the promotion effect of MEHP on the secretion of total cholesterol and interleukin 1ß in L02 cells could be significantly inhibited by the FPR2 antagonist. We concluded that FPR2 might affect the promotion effect of MEHP on steatosis of L02 cells by mediating inflammatory response.


Asunto(s)
Dietilhexil Ftalato , Hígado Graso , Receptores de Formil Péptido , Receptores de Lipoxina , Dietilhexil Ftalato/análogos & derivados , Dietilhexil Ftalato/toxicidad , Humanos , Receptores de Formil Péptido/metabolismo , Línea Celular , Receptores de Lipoxina/metabolismo , Hígado Graso/inducido químicamente , Hígado Graso/patología , Hígado Graso/metabolismo , Metabolismo de los Lípidos/efectos de los fármacos
2.
Front Neurosci ; 17: 1086462, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-36937661

RESUMEN

Introduction: N-methyl-D-aspartate receptor (NMDAR) is one of the main receptor of the excitatory neurotransmitter glutamate in the brain, which is the key determinant of the excitatory/inhibitory balance of neural network. GluN2A/GRIN2A is one of the subunits of NMDAR and plays an important role in epilepsy. Approximately 78% of patients with GluN2A/Grin2a mutations have epilepsy, and the underlying mechanism of this association is not well characterized. Methods: We constructed a mouse model of hyperthermic seizure, and conducted in vitro and in vivo electrophysiological and behavioral studies to clarify the pathogenic characteristics and mechanism of GluN2A/GRIN2A-V685G mutation. In addition, the drug efavirenz (EFV), which is used to treat HIV infection, was administrated to mutant animals to assess whether it can restore the loss of function. Results: Mutant mice showed no significant change in the mRNA or protein expressions of NMDAR compared with wild type (WT) mice. Mice with GluN2A/GRIN2A-V685G mutation exhibited shorter latency to seizure, increased frequency of seizure-like events, decreased peak current and current area of NMDAR excitatory postsynaptic current, and decreased event frequency of micro-inhibitory postsynaptic current, compared to WT mice. They also exhibited decreased threshold, increased amplitude, increased input resistance, and increased root number of action potential. EFV administration reversed these changes. The loss-of-function (LoF) mutation of NMDAR changed the excitatory/inhibitory balance of neural network, rendering animal more prone to seizures. Discussion: EFV was indicated to hold its potential in the treatment of inherited epilepsy.

3.
BMJ ; 380: e072691, 2023 01 25.
Artículo en Inglés | MEDLINE | ID: mdl-36696990

RESUMEN

OBJECTIVE: To identify an optimal lifestyle profile to protect against memory loss in older individuals. DESIGN: Population based, prospective cohort study. SETTING: Participants from areas representative of the north, south, and west of China. PARTICIPANTS: Individuals aged 60 years or older who had normal cognition and underwent apolipoprotein E (APOE) genotyping at baseline in 2009. MAIN OUTCOME MEASURES: Participants were followed up until death, discontinuation, or 26 December 2019. Six healthy lifestyle factors were assessed: a healthy diet (adherence to the recommended intake of at least 7 of 12 eligible food items), regular physical exercise (≥150 min of moderate intensity or ≥75 min of vigorous intensity, per week), active social contact (≥twice per week), active cognitive activity (≥twice per week), never or previously smoked, and never drinking alcohol. Participants were categorised into the favourable group if they had four to six healthy lifestyle factors, into the average group for two to three factors, and into the unfavourable group for zero to one factor. Memory function was assessed using the World Health Organization/University of California-Los Angeles Auditory Verbal Learning Test, and global cognition was assessed via the Mini-Mental State Examination. Linear mixed models were used to explore the impact of lifestyle factors on memory in the study sample. RESULTS: 29 072 participants were included (mean age of 72.23 years; 48.54% (n=14 113) were women; and 20.43% (n=5939) were APOE ε4 carriers). Over the 10 year follow-up period (2009-19), participants in the favourable group had slower memory decline than those in the unfavourable group (by 0.028 points/year, 95% confidence interval 0.023 to 0.032, P<0.001). APOE ε4 carriers with favourable (0.027, 95% confidence interval 0.023 to 0.031) and average (0.014, 0.010 to 0.019) lifestyles exhibited a slower memory decline than those with unfavourable lifestyles. Among people who were not carriers of APOE ε4, similar results were observed among participants in the favourable (0.029 points/year, 95% confidence interval 0.019 to 0.039) and average (0.019, 0.011 to 0.027) groups compared with those in the unfavourable group. APOE ε4 status and lifestyle profiles did not show a significant interaction effect on memory decline (P=0.52). CONCLUSION: A healthy lifestyle is associated with slower memory decline, even in the presence of the APOE ε4 allele. This study might offer important information to protect older adults against memory decline. TRIAL REGISTRATION: ClinicalTrials.gov NCT03653156.


Asunto(s)
Apolipoproteína E4 , Trastornos del Conocimiento , Humanos , Femenino , Anciano , Masculino , Estudios Prospectivos , Trastornos de la Memoria/prevención & control , Estilo de Vida Saludable , Pruebas Neuropsicológicas
4.
Medicine (Baltimore) ; 99(50): e23577, 2020 Dec 11.
Artículo en Inglés | MEDLINE | ID: mdl-33327318

RESUMEN

OBJECTIVE: Atorvastatin and aspirin have been used in treating different forms of epilepsy. However, their effect on post-stroke epilepsy (PSE) still needs to be validated by large-scale clinical studies. In addition, their impact on the use of the antiepileptic drug levetiracetam for post-stroke epilepsy remains to be explored. Thus, the aim of this study was to further evaluate the effect of atorvastatin and aspirin on PSE and their effect on the usage of the antiepileptic drug levetiracetam in PSE patients. METHODS: Patients, aged 65 to 85 years, with newly diagnosed post-ischemic stroke epilepsy from August 30, 2014 to August 30, 2018 were included in the study, with the exclusion of those with coexisting conditions. RESULTS: Initially, 1321 patients were included, and 780 remained in the study at the 1-year follow-up. During the study, atorvastatin treatment with or without aspirin reduced the number of clinical epileptic episodes in PSE patients. It also reduced the dosage of levetiracetam and achieved better control of epilepsy compared to levetiracetam mono-treatment. Aspirin co-treatment with levetiracetam did not result in a significant improvement. However, the combination of aspirin with atorvastatin significantly reduced the number of seizures compared to atorvastatin treatment alone. CONCLUSION: Atorvastatin and aspirin co-treatment with levetiracetam can reduce epilepsy in PSE patients and reduce the dosage of levetiracetam required for effective control of PSE.


Asunto(s)
Anticonvulsivantes/uso terapéutico , Aspirina/uso terapéutico , Atorvastatina/uso terapéutico , Epilepsia/tratamiento farmacológico , Levetiracetam/uso terapéutico , Accidente Cerebrovascular/complicaciones , Anciano , Anciano de 80 o más Años , Anticonvulsivantes/administración & dosificación , Aspirina/administración & dosificación , Atorvastatina/administración & dosificación , Infarto Cerebral/complicaciones , Infarto Cerebral/patología , Quimioterapia Combinada , Epilepsia/etiología , Femenino , Humanos , Levetiracetam/administración & dosificación , Masculino , Índice de Severidad de la Enfermedad , Accidente Cerebrovascular/patología
5.
Lancet Public Health ; 5(12): e661-e671, 2020 12.
Artículo en Inglés | MEDLINE | ID: mdl-33271079

RESUMEN

BACKGROUND: China has a large population of older people, but has not yet undertaken a comprehensive study on the prevalence, risk factors, and management of both dementia and mild cognitive impairment (MCI). METHODS: For this national cross-sectional study, 46 011 adults aged 60 years or older were recruited between March 10, 2015, and Dec 26, 2018, using a multistage, stratified, cluster-sampling method, which considered geographical region, degree of urbanisation, economic development status, and sex and age distribution. 96 sites were randomly selected in 12 provinces and municipalities representative of all socioeconomic and geographical regions in China. Participants were interviewed to obtain data on sociodemographic characteristics, lifestyle, medical history, current medications, and family history, and then completed a neuropsychological testing battery administered by a psychological evaluator. The prevalence of dementia (Alzheimer's disease, vascular dementia, and other dementias) and MCI were calculated and the risk factors for different groups were examined using multivariable-adjusted analyses. FINDINGS: Overall age-adjusted and sex-adjusted prevalence was estimated to be 6·0% (95% CI 5·8-6·3) for dementia, 3·9% (3·8-4·1) for Alzheimer's disease, 1·6% (1·5-1·7) for vascular dementia, and 0·5% (0·5-0·6) for other dementias. We estimated that 15·07 million (95% CI 14·53-15·62) people aged 60 years or older in China have dementia: 9·83 million (9·39-10·29) with Alzheimer's disease, 3·92 million (3·64-4·22) with vascular dementia, and 1·32 million (1·16-1·50) with other dementias. Overall MCI prevalence was estimated to be 15·5% (15·2-15·9), representing 38·77 million (37·95-39·62) people in China. Dementia and MCI shared similar risk factors including old age (dementia: odds ratios ranging from 2·69 [95% CI 2·43-2·98] to 6·60 [5·24-8·32]; MCI: from 1·89 [1·77-2·00] to 4·70 [3·77-5·87]); female sex (dementia: 1·43 [1·31-1·56]; MCI: 1·51 [1·43-1·59]); parental history of dementia (dementia: 7·20 [5·68-9·12]; MCI: 1·91 [1·48-2·46]); rural residence (dementia: 1·16 [1·06-1·27]; MCI: 1·45 [1·38-1·54]); fewer years of education (dementia: from 1·17 [1·06-1·29] to 1·55 [1·38-1·73]; MCI: from 1·48 [1·39-1·58] to 3·48 [3·25-3·73]); being widowed, divorced, or living alone (dementia: from 2·59 [2·30-2·90] to 2·66 [2·29-3·10]; MCI: from 1·58 [1·44-1·73] to 1·74 [1·56-1·95]); smoking (dementia: 1·85 [1·67-2·04]; MCI: 1·27 [1·19-1·36]), hypertension (dementia: 1·86 [1·70-2·03]; MCI: 1·62 [1·54-1·71] for MCI), hyperlipidaemia (dementia: 1·87 [1·71-2·05]; MCI: 1·29 [1·21-1·37]), diabetes (dementia: 2·14 [1·96-2·34]; MCI: 1·44 [1·35-1·53]), heart disease (dementia: 1·98 [1·73-2·26]; MCI: 1·17 [1·06-1·30]), and cerebrovascular disease (dementia: 5·44 [4·95-5·97]; MCI: 1·49 [1·36-1·62]). Nine of these risk factors are modifiable. INTERPRETATION: Dementia and MCI are highly prevalent in China and share similar risk factors. A prevention strategy should be developed to target the identified risk factors in the MCI population to thwart or slow down disease progression. It is also crucial to optimise the management of dementia and MCI as an important part of China's public health system. FUNDING: Key Project of the National Natural Science Foundation of China, National Key Scientific Instrument and Equipment Development Project, Mission Program of Beijing Municipal Administration of Hospitals, Beijing Scholars Program, Beijing Brain Initiative from Beijing Municipal Science & Technology Commission, Project for Outstanding Doctor with Combined Ability of Western and Chinese Medicine, and Beijing Municipal Commission of Health and Family Planning.


Asunto(s)
Disfunción Cognitiva/epidemiología , Demencia/epidemiología , Anciano , Anciano de 80 o más Años , China/epidemiología , Estudios Transversales , Femenino , Estado de Salud , Humanos , Estilo de Vida , Masculino , Anamnesis , Persona de Mediana Edad , Pruebas Neuropsicológicas , Prevalencia , Características de la Residencia , Factores de Riesgo , Factores Socioeconómicos
6.
Expert Rev Clin Immunol ; 16(11): 1053-1064, 2020 11.
Artículo en Inglés | MEDLINE | ID: mdl-33112177

RESUMEN

Introduction: Up to 30% of patients with Guillain-Barré syndrome (GBS) develop respiratory failure requiring intensive care unit (ICU) admission and mechanical ventilation. Progressive weakness of the respiratory muscles is the leading cause of acute respiratory distress and respiratory failure with hypoxia and/or hypercarbia. Bulbar weakness may compromise airway patency and predispose patients to aspiration pneumonia. Areas covered: Clinical questions related to the use of mechanical ventilation include but are not limited to: When to start? Invasive or noninvasive? When to wean from mechanical ventilation? When to perform tracheostomy? How to manage complications of GBS in the ICU including nosocomial infection, ventilator-associated pneumonia, and ICU-acquired weakness? In this narrative review, the authors summarize the up-to-date knowledge of the incidence, pathophysiology, evaluation, and general management of respiratory failure in GBS. Expert opinion: Respiratory failure in GBS merits more attention from caregivers. Emergency intubation may lead to life-threatening complications. Appropriate methods and time point of intubation and weaning, an early tracheostomy, and predictive prophylaxis of complications benefit patients' long-term prognosis.


Asunto(s)
Síndrome de Guillain-Barré/terapia , Respiración Artificial/métodos , Insuficiencia Respiratoria/terapia , Animales , Humanos , Unidades de Cuidados Intensivos , Traqueostomía
7.
Alzheimers Dement ; 16(12): 1613-1623, 2020 12.
Artículo en Inglés | MEDLINE | ID: mdl-32881347

RESUMEN

INTRODUCTION: The genetic risk effects of apolipoprotein E (APOE) on familial Alzheimer's disease (FAD) with or without gene mutations, sporadic AD (SAD), and normal controls (NC) remain unclear in the Chinese population. METHODS: In total, 15 119 subjects, including 311 FAD patients without PSEN1, PSEN2, APP, TREM2, and SORL1 pathogenic mutations (FAD [unknown]); 126 FAD patients with PSENs/APP mutations (FAD [PSENs/APP]); 7234 SAD patients; and 7448 NC were enrolled. The risk effects of APOE ε4 were analyzed across groups. RESULTS: The prevalence of the APOE ε4 genotype in FAD (unknown), FAD (PSENs/APP), SAD, and NC groups was 56.27%, 26.19%, 36.23%, and 19.54%, respectively. Further, the APOE ε4 positive genotype had predictive power for FAD (unknown) risk (odds ratio: 4.51, 95% confidence interval: 3.57-5.45, P < .001). DISCUSSION: APOE ε4 positive genotype may cause familial aggregation, and the investigation of multiple interventions targeting APOE pathological function to reduce the risk for this disease warrants attention.


Asunto(s)
Enfermedad de Alzheimer , Apolipoproteína E4/genética , Predisposición Genética a la Enfermedad , Mutación/genética , Anciano , Enfermedad de Alzheimer/clasificación , Enfermedad de Alzheimer/genética , China , Femenino , Genotipo , Humanos , Masculino , Persona de Mediana Edad , Factores de Riesgo
8.
Hum Cell ; 33(4): 1046-1055, 2020 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-32772229

RESUMEN

Acute ischemic stroke is a devastating disease with very limited therapeutics. Growing appreciation of dysregulated autophagy contributes to the progression of brain ischemic injury, making it to be an appealing intervention target. In terms of its well-characterized consequences, the signal molecules required for autophagy activation are rather poorly defined. Here, we found the induction of chloride channel-3 (ClC-3) directly activated autophagy, which played an important role in limiting cerebral ischemia/reperfusion (I/R) injury. Further mechanism exploration discovered that the up-regulation of ClC-3 was critical for the interaction of Beclin1 and Vps34. After ClC-3 knockdown using adeno-associated virus vectors in vivo, the autophagy activation was partially inhibited through disrupting the formation of Beclin1 and Vps34 complex. Consistent with these observations, ClC-3 knockdown could also significantly aggravated cerebral I/R injury through suppressing autophagy in vivo, which further confirmed the neuroprotective roles of ClC-3. Collectively, we provided an novel evidence for ClC-3 serving as a crucial regulator of autophagy; and our results indicated that the induction of ClC-3 may serve as a self-protective mechanism against cerebral I/R injury.


Asunto(s)
Autofagia/genética , Autofagia/fisiología , Beclina-1/metabolismo , Isquemia Encefálica/genética , Isquemia Encefálica/prevención & control , Canales de Cloruro/metabolismo , Canales de Cloruro/fisiología , Fosfatidilinositol 3-Quinasas Clase III/metabolismo , Fármacos Neuroprotectores , Daño por Reperfusión/genética , Daño por Reperfusión/prevención & control , Accidente Cerebrovascular/genética , Accidente Cerebrovascular/prevención & control , Animales , Masculino , Ratas Sprague-Dawley , Regulación hacia Arriba/genética
10.
Medicine (Baltimore) ; 99(4): e18805, 2020 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-31977873

RESUMEN

RATIONALE: Anti-GQ1b antibody syndrome refers to a distinct variant of Guillain- Barré syndrome. Involvement of the optic nerve in anti-GQ1b antibody syndrome is extremely rare. PATIENT CONCERNS: Here, we report a case of anti-GQ1b antibody syndrome presenting with visual deterioration as the initial symptom. A 73-year-old man presented with a 5-day history of bilateral blurred vision and ptosis. He had a previous history of diarrhea starting 10 days before admission. Physical examination showed visual deterioration, ophthalmoplegia, and peripheral facial paralysis. Testing of both serum and cerebrospinal fluid was positive for anti-GQ1b immunoglobulin G antibodies and negative for anti-aquaporin 4antibodies. DIAGNOSIS: Anti-GQ1b antibody syndrome. INTERVENTIONS: The patient was treated with intravenous methylprednisolone and human immunoglobulin. OUTCOMES: After a 20-day follow-up, the patient's condition took a favorable turn. LESSONS: This case reminds us that anti-GQ1b antibody syndrome should be suspected in patients with visual deterioration and preceding infection.


Asunto(s)
Síndrome de Guillain-Barré/diagnóstico , Inmunoglobulina G/sangre , Anciano , Autoanticuerpos/sangre , Síndrome de Guillain-Barré/sangre , Síndrome de Guillain-Barré/clasificación , Síndrome de Guillain-Barré/tratamiento farmacológico , Humanos , Inmunoglobulinas Intravenosas/uso terapéutico , Factores Inmunológicos/uso terapéutico , Masculino , Oftalmoplejía/diagnóstico , Oftalmoplejía/etiología , Síndrome , Trastornos de la Visión/etiología
11.
Lancet Neurol ; 19(1): 81-92, 2020 01.
Artículo en Inglés | MEDLINE | ID: mdl-31494009

RESUMEN

China has the largest population of patients with dementia in the world, imposing a heavy burden on the public and health care systems. More than 100 epidemiological studies on dementia have been done in China, but the estimates of the prevalence and incidence remain inconsistent because of the use of different sampling methods. Despite improved access to health services, inadequate diagnosis and management for dementia is still common, particularly in rural areas. The Chinese Government issued a new policy to increase care facilities for citizens older than 65 years, but most patients with dementia still receive care at home. Western medicines for dementia symptoms are widely used in China, but many patients choose Chinese medicines even though they have little evidence supporting efficacy. The number of clinical trials of Chinese and western medicines has substantially increased as a result of progress in research on new antidementia drugs but international multicentre studies are few in number. Efforts are needed to establish a national system of dementia care enhance training in dementia for health professionals, and develop global collaborations to prevent and cure this disease.


Asunto(s)
Demencia/epidemiología , Demencia/terapia , China/epidemiología , Demencia/diagnóstico , Humanos
12.
Aging (Albany NY) ; 11(19): 8239-8253, 2019 10 08.
Artículo en Inglés | MEDLINE | ID: mdl-31596734

RESUMEN

The long non-coding RNA, urothelial carcinoma associated 1 (UCA1) has been demonstrated to play important roles in various types of cancers. This study investigated the functional role of UCA1 in glioma and explored the underlying molecular mechanisms. UCA1 was found to be highly up-regulated in glioma cells, and knock-down of UCA1 inhibited cell growth, invasion and migration, and also induced apoptosis in glioma cells. On the other hand, overexpression of UCA1 promoted cell proliferation, cell invasion and migration in glioma cells. Knock-down of UCA1 suppressed the activity of Wnt/ß-catenin signaling, and treatment with lithium chloride restored the inhibitory effect of UCA1 knock-down on cell invasion and migration. More importantly, the aberrant expression of UCA1 was associated with chemo-resistance to cisplatin and temozolomide in glioma cells via interacting with Wnt/ß-catenin signaling. In vivo studies showed that overexpression of UCA1 promoted the in vivo tumor growth of U87 cells in the nude mice. Clinically, UCA1 was found to be up-regulated in glioma tissues and higher expression level of UCA1 was correlated with poor survival in patients with glioma. Taken together, our results showed that UCA1 had a functional role in the regulation of glioma cell growth, invasion and migration, and chemo-resistance possibly via Wnt/ß-catenin signaling pathway.


Asunto(s)
Antineoplásicos/farmacología , Resistencia a Antineoplásicos/genética , Glioma/metabolismo , ARN Largo no Codificante/metabolismo , Proteínas Wnt/metabolismo , beta Catenina/metabolismo , Animales , Movimiento Celular , Proliferación Celular , Regulación Neoplásica de la Expresión Génica , Técnicas de Silenciamiento del Gen , Glioma/tratamiento farmacológico , Humanos , Ratones , Ratones Desnudos , Neoplasias Experimentales , ARN Largo no Codificante/genética , Regulación hacia Arriba , Proteínas Wnt/genética , beta Catenina/genética
13.
Alzheimers Dement ; 15(8): 1071-1080, 2019 08.
Artículo en Inglés | MEDLINE | ID: mdl-31422798

RESUMEN

INTRODUCTION: Neuronal-derived exosomal Aß42, T-tau, and P-T181-tau have been demonstrated to be biomarkers of Alzheimer's disease (AD). However, no study has assessed the association of Aß42, T-tau, and P-T181-tau between exosomes and CSF. METHODS: This was a multicenter study with two-stage design. The subjects included 28 AD patients, 25 aMCI patients, and 29 controls in the discovery stage; the results of which were confirmed in the validation stage (73 AD, 71 aMCI, and 72 controls). RESULTS: The exosomal concentrations of Aß42, T-tau, and P-T181-tau in AD group were higher than those in aMCI and control groups (all P < .001). The level of each exosomal biomarker was highly correlated with that in CSF. DISCUSSION: This study verified the agreement between CSF and blood exosomal biomarkers and confirmed that exosomal Aß42, T-tau, and P-T181-tau have the same capacity as those in CSF for the diagnosis of AD and aMCI.


Asunto(s)
Enfermedad de Alzheimer/diagnóstico , Péptidos beta-Amiloides/sangre , Biomarcadores/sangre , Disfunción Cognitiva/diagnóstico , Proteínas tau/sangre , Anciano , Anciano de 80 o más Años , Enfermedad de Alzheimer/sangre , Péptidos beta-Amiloides/líquido cefalorraquídeo , Biomarcadores/líquido cefalorraquídeo , Disfunción Cognitiva/sangre , Disfunción Cognitiva/líquido cefalorraquídeo , Exosomas , Femenino , Humanos , Masculino , Persona de Mediana Edad , Neuronas , Proteínas tau/líquido cefalorraquídeo
14.
J Cell Physiol ; 234(9): 16054-16067, 2019 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-30805931

RESUMEN

The aim of this study is to investigate the effects of long-chain noncoding RNA plasmacytoma variant translocation 1 (PVT1) on the activation of astrocytes and the expression of brain-derived neurotrophic factor (BDNF) in hippocampus tissues of epileptic rats. The epilepsy rat model was induced by intraperitoneal injection of lithium chloride-pilocarpine. Successfully modeled rats were grouped, and their spatial learning and memory, neuronal loss, number of TdT-mediated dUTP nick labeling (TUNEL)-positive cells, and the expression of cleaved-caspase-3, pro-caspase-3, Bax, Bcl-2, GFAP, BDNF, tumor necrosis factor-α (TNF-α), interleukin-1ß (IL-1ß), IL-6, axin, and cyclin D1 in hippocampus tissues were evaluated. Increased expression of PVT1 was found in hippocampus tissues of epileptic rats. Silencing of PVT1 improved spatial learning and memory, decreased neuronal loss, decreased the number of TUNEL-positive cell, decreased the expression of cleaved-caspase-3 and Bax while increased pro-caspase-3 and Bcl-2 expression, decreased the expression of GFAP, increased the expression of BDNF, decreased the expression of TNF-α, IL-1ß, and IL-6, and decreased the expression of axin and cyclin D1 in hippocampus tissues in epileptic rats. Our study provides evidence that the inhibition of PVT1 may decrease the loss of neurons, inhibit the activation of astrocytes, and increase the expression of BDNF in hippocampus by downregulating the Wnt signaling pathway.

15.
Neuro Endocrinol Lett ; 40(7-8): 333-341, 2019 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-32305050

RESUMEN

OBJECTIVE: Cerebral small vessel diseases (CSVDs) are common causes of cognitive impairments and mood disorders. In recent years, event-related potential P300 has received increasing attention as a biomarker of cognitive impairments or mood disorders. Previous studies on P300 mainly focused on anxiety, depression or cognitive impairments, and few results have been reported on P300 in CSVD patients. The present study aimed to explore the relationship between neuropsychological test scores and P300 in patients with CSVDs. METHODS: The clinical data of 52 patients with CSVDs admitted to the Neurology ward of the First Hospital of Jilin University from June 2016 to October 2017 were collected. All patients who met the inclusion criteria were assessed by both cognitive tests and mood scales within 1 week after enrollment, followed by measurement of P300. Accordingly, patients were assigned to the following four groups: cognitive impairment, non-cognitive impairment, mood disorder, and non-mood disorder.The amplitude and latency values of P300 were measured from the Pz, Fz, Fpz, C3, C4 and Cz electrode sites. In addition, correlations of P300 responses and neuropsychological test scores were analyzed. RESULTS: Significant differences were found in the P300 latency values between the cognitive impairment group and non-cognitive impairment group (P<0.05). P300 latency values were more significantly prolonged in the mood disorder group at the Fz, C3 and Cz electrode sites than in the non-mood disorder group. Positive correlations were found between Hamilton Depression Scale scores and C3, Fz and Cz latencies. Females tended to have a statistically higher risk of emotional impairment than did males (p<0.05). CONCLUSION: P300 latency values can be used as a objective indicator of cognitive impairments and mood disorders in CSVD patients.


Asunto(s)
Trastornos de Ansiedad/fisiopatología , Enfermedades de los Pequeños Vasos Cerebrales/fisiopatología , Disfunción Cognitiva/fisiopatología , Trastorno Depresivo/fisiopatología , Potenciales Relacionados con Evento P300/fisiología , Anciano , Trastornos de Ansiedad/psicología , Enfermedades de los Pequeños Vasos Cerebrales/psicología , Disfunción Cognitiva/psicología , Trastorno Depresivo/psicología , Femenino , Humanos , Masculino , Persona de Mediana Edad , Trastornos del Humor/fisiopatología , Trastornos del Humor/psicología , Factores Sexuales
16.
Medicine (Baltimore) ; 97(36): e12148, 2018 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-30200108

RESUMEN

RATIONALE: Spinocerebellar ataxia (SCA), a genetically inherited heterogeneous disorder, is characterized by gait ataxia, dysarthria, parkinsonism, choreic movements, dystonia, epilepsy, cognitive and psychiatric symptoms. Spinocerebellar ataxia-42 (SCA42), caused by heterozygous mutation in the calcium channel 1G (CACNA1G) gene, is a rare SCA subtype and the transmission pattern is autosomal dominant inheritance. PATIENT CONCERNS: We presented a novel mutation (c.4721T>A; p.Met1574Lys) in 3 patients from a Chinese family using whole-exome sequencing. All patients exhibited cerebellar ataxia and the clinical manifestations were similar to those that were previously reported in the French and Japanese families. In addition, cerebral magnetic resonance imaging (MRI) showed cerebellar atrophy, and the hot cross bun sign of brainstem was found in the proband and her sister. DIAGNOSES: The clinical features and MRI findings indicated the diagnosis of SCA. Taken together, the symptoms, MRI findings, as well as whole-exome sequencing made the diagnosis of SCA42 most likely candidate. INTERVENTIONS AND OUTCOMES: The patient was treated with cobamamide (1.5 mg once daily) for nerve nutrition and further physical therapy. At the 4-month follow-up visit, the patient's condition did not improve obviously. LESSONS: Recently, a missense mutation in CACNA1G gene (c.5144G4A; p.Arg1715His) was identified in French and Japanese families with SCA42. However, there has been no report of SCA42 or its mutant loci in Chinese patients. Our finding showed a novel mutation in CACNA1G gene and provided important insights into the pathogenesis of SCA42.


Asunto(s)
Canales de Calcio Tipo T/genética , Mutación , Ataxias Espinocerebelosas/genética , Familia , Femenino , Predisposición Genética a la Enfermedad , Humanos , Persona de Mediana Edad , Ataxias Espinocerebelosas/diagnóstico por imagen , Ataxias Espinocerebelosas/terapia
17.
Neuro Endocrinol Lett ; 39(2): 85-87, 2018 05.
Artículo en Inglés | MEDLINE | ID: mdl-30183201

RESUMEN

We report a case of a 51-year-old man with limbic encephalitis (LE) associated with antibodies against the α-Amino-3-Hydroxy-5-Methyl-4-Isoxazolepropionic acid receptor (AMPAR). The patient presented with anterograde memory loss for 2 months. Cranial magnetic resonance and electroencephalogram were normal. AMPAR antibodies were found in blood serum and cerebrospinal fluid. All other test results were unremarkable. CT scans found a tumor in the right lobus superior pulmonis. A CT-guided needle biopsy was performed and pathological results showed small cell lung cancer (SCLC). The patient was diagnosed with LE associated with AMPAR antibodies and SCLC. Three months after immunotherapy and tumor removal, patient's memory was partially restored. We recommend that AMPAR antibodies should be detected in patients with classic LE with or without tumor. Prompt treatment of the tumor and immunotherapy are important.


Asunto(s)
Encefalitis Límbica/inmunología , Receptores AMPA/inmunología , Autoanticuerpos/sangre , Autoanticuerpos/líquido cefalorraquídeo , Electroencefalografía , Humanos , Biopsia Guiada por Imagen , Inmunoterapia , Encefalitis Límbica/psicología , Encefalitis Límbica/terapia , Neoplasias Pulmonares/complicaciones , Imagen por Resonancia Magnética , Masculino , Trastornos de la Memoria/etiología , Trastornos de la Memoria/psicología , Persona de Mediana Edad , Carcinoma Pulmonar de Células Pequeñas/complicaciones , Resultado del Tratamiento
18.
Clin Lab ; 64(4): 611-614, 2018 Apr 01.
Artículo en Inglés | MEDLINE | ID: mdl-29739085

RESUMEN

BACKGROUND: CVST is an important cause of stroke during late pregnancy and in the puerperium, but it is seldom encountered during early pregnancy. We report a case of a 34-year-old woman presenting with convulsive status epilepticus in early pregnancy. METHODS: In this case, the cranial computed tomography detected hemorrhage. Magnetic resonance imaging revealed a bilateral hypointense signal involving the frontal lobes and a hyperintense lesion on the right temporal lobe on T1-weighted imaging, and a large bilateral hyperintense area involving the frontal lobes on T2-weighted and fluid-attenuated inversion recovery imaging. Magnetic resonance venography showed occlusion of the right transverse sagittal and sigmoid sinus. RESULTS: The patient received a diagnosis of cerebral venous sinus thrombosis (CVST) with cerebral hemorrhage. The patient was given anticoagulant therapy for one month and made a good recovery. CONCLUSIONS: This case report should raise awareness of the diagnosis and treatment of CVST with cerebral hemorrhage in early pregnancy.


Asunto(s)
Anticoagulantes/uso terapéutico , Hemorragia Cerebral/tratamiento farmacológico , Trombosis de los Senos Intracraneales/tratamiento farmacológico , Estado Epiléptico/complicaciones , Adulto , Hemorragia Cerebral/complicaciones , Hemorragia Cerebral/diagnóstico por imagen , Femenino , Humanos , Imagen por Resonancia Magnética/métodos , Embarazo , Trombosis de los Senos Intracraneales/complicaciones , Trombosis de los Senos Intracraneales/diagnóstico por imagen , Tomografía Computarizada por Rayos X/métodos , Resultado del Tratamiento
19.
PLoS One ; 13(3): e0194501, 2018.
Artículo en Inglés | MEDLINE | ID: mdl-29558528

RESUMEN

OBJECTIVE: To investigate the efficacy and tolerability of duloxetine during short-term treatment in adults with generalized anxiety disorder (GAD). METHODS: We conducted a comprehensive literature review of the PubMed, Embase, Cochrane Central Register of Controlled Trials, Web of Science, and ClinicalTrials databases for randomized controlled trials(RCTs) comparing duloxetine or duloxetine plus other antipsychotics with placebo for the treatment of GAD in adults. Outcome measures were (1) efficacy, assessed by the Hospital Anxiety and Depression Scale(HADS) anxiety subscale score, the Hamilton Rating Scale for Anxiety(HAM-A) psychic and somatic anxiety factor scores, and response and remission rates based on total scores of HAM-A; (2) tolerability, assessed by discontinuation rate due to adverse events, the incidence of treatment emergent adverse events(TEAEs) and serious adverse events(SAEs). Review Manager 5.3 and Stata Version 12.0 software were used for all statistical analyses. RESULTS: The meta-analysis included 8 RCTs. Mean changes in the HADS anxiety subscale score [mean difference(MD) = 2.32, 95% confidence interval(CI) 1.77-2.88, P<0.00001] and HAM-A psychic anxiety factor score were significantly greater in patients with GAD that received duloxetine compared to those that received placebo (MD = 2.15, 95%CI 1.61-2.68, P<0.00001). However, there was no difference in mean change in the HAM-A somatic anxiety factor score (MD = 1.13, 95%CI 0.67-1.58, P<0.00001). Discontinuation rate due to AEs in the duloxetine group was significantly higher than the placebo group [odds ratio(OR) = 2.62, 95%CI 1.35-5.06, P = 0.004]. The incidence of any TEAE was significantly increased in patients that received duloxetine (OR = 1.76, 95%CI 1.36-2.28, P<0.0001), but there was no significant difference in the incidence of SAEs (OR = 1.13, 95%CI 0.52-2.47, P = 0.75). CONCLUSION: Duloxetine resulted in a greater improvement in symptoms of psychic anxiety and similar changes in symptoms of somatic anxiety compared to placebo during short-term treatment in adults with GAD and its tolerability was acceptable.


Asunto(s)
Trastornos de Ansiedad/tratamiento farmacológico , Clorhidrato de Duloxetina/uso terapéutico , Adulto , Antidepresivos/efectos adversos , Antidepresivos/uso terapéutico , Trastornos de Ansiedad/psicología , Esquema de Medicación , Clorhidrato de Duloxetina/efectos adversos , Humanos , Ensayos Clínicos Controlados Aleatorios como Asunto , Resultado del Tratamiento
20.
Alzheimers Dement ; 14(4): 483-491, 2018 04.
Artículo en Inglés | MEDLINE | ID: mdl-29433981

RESUMEN

INTRODUCTION: The socioeconomic costs of Alzheimer's disease (AD) in China and its impact on global economic burden remain uncertain. METHODS: We collected data from 3098 patients with AD in 81 representative centers across China and estimated AD costs for individual patient and total patients in China in 2015. Based on this data, we re-estimated the worldwide costs of AD. RESULTS: The annual socioeconomic cost per patient was US $19,144.36, and total costs were US $167.74 billion in 2015. The annual total costs are predicted to reach US $507.49 billion in 2030 and US $1.89 trillion in 2050. Based on our results, the global estimates of costs for dementia were US $957.56 billion in 2015, and will be US $2.54 trillion in 2030, and US $9.12 trillion in 2050, much more than the predictions by the World Alzheimer Report 2015. DISCUSSION: China bears a heavy burden of AD costs, which greatly change the estimates of AD cost worldwide.


Asunto(s)
Enfermedad de Alzheimer/economía , Costo de Enfermedad , Anciano , Anciano de 80 o más Años , Enfermedad de Alzheimer/epidemiología , China , Estudios Transversales , Femenino , Predicción , Costos de la Atención en Salud , Humanos , Masculino , Persona de Mediana Edad , Factores Socioeconómicos
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