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1.
Mini Rev Med Chem ; 22(18): 2350-2360, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35306986

RESUMO

The ancient composite formulae Angong Niuhuang pill and Pien Tze Huang, which were used a few hundred years ago to treat febrile disease and inflammation, respectively, are found to exert effects benefiting other neurological diseases and conditions. This short review introduces the main constituents of the two formulae, looking into both the cumulative synergetic and possible individual effects of each herb or animal apcoien. In essence, the main effects of Angong Niuhuang pill include anti-inflammation, antioxidation, anti-cell death, anticonvulsion, antiedema, antipyretic, antithrombotic, antimicrobial (bacteria, viruses, fungi), neuroprotective effects, and cardiovascular protection. The main effects of Pien Tze Huang include anti-inflammation, antioxidation, anti-cell death, antithrombotic, antimicrobial, neuroprotective effects, and cardiovascular protection. Comparing both composites, similarities in the effects and part of the components are found, showing some pharmacological evidence. This review casts light on research on the effects of neuroprotective and cardiovascular protective mechanisms as well as treatment mechanisms for cerebral accidents from the integrative medicine perspective.


Assuntos
Antipiréticos , Doenças do Sistema Nervoso Central , Medicamentos de Ervas Chinesas , Fármacos Neuroprotetores , Animais , Anti-Inflamatórios , Antioxidantes , Doenças do Sistema Nervoso Central/tratamento farmacológico , Medicamentos de Ervas Chinesas/farmacologia , Medicamentos de Ervas Chinesas/uso terapêutico , Fibrinolíticos/uso terapêutico , Fármacos Neuroprotetores/farmacologia , Fármacos Neuroprotetores/uso terapêutico
2.
J Toxicol ; 2021: 9974969, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-35003254

RESUMO

BACKGROUND: Alcoholism is known to cause liver toxicity and is extensively researched. On the other hand, stress, depression, and obesity are interrelated conditions with alcoholism, and their medications would affect the liver itself. In this study, we investigated the effects of the drugs fluoxetine and atorvastatin on the liver and compared with those of alcohol in a mouse model. METHODS: Comparisons of animals treated with the three drugs were carried out: serum aspartate transaminase (AST), alanine transaminase (ALT), and albumin were measured; liver tumor necrosis factor alpha (TNF alpha) and transforming growth factor beta (TGF beta-1) levels were evaluated; proliferative cells were detected via immunohistochemistry (IHC) targeting on proliferating cell nuclear antigen (PCNA) and minichromosome maintenance complex component 2 (MCM2); for apoptosis, IHC targeting on activated caspase-3 and terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) were employed; and histopathology was also documented in all groups. RESULTS: For ALT, AST, albumin, and liver TNF alpha, only the ethanol group surged to significantly higher levels. For TGF beta-1, both ethanol and atorvastatin groups reached a significantly higher level. PCNA and MCM2 showed increased proliferation in the livers of all three groups, with the ethanol group having the highest number of positive cells followed by atorvastatin and then the fluoxetine group. As for cell death, both ethanol and fluoxetine groups showed significantly more apoptosis than control in TUNEL and activated caspase-3, while in the atorvastatin group, activated caspase-3 positive cells increased significantly, but the increase in TUNEL-positive cells did not reach statistical significance.

3.
Anat Rec (Hoboken) ; 301(5): 819-824, 2018 05.
Artigo em Inglês | MEDLINE | ID: mdl-29193866

RESUMO

This article highlighted three advances in the study of the cavernous sinus: (1) the initial formation of the sinus reticulum in early development of the sphenoid bone before ossification (2) extension of reticulum of the sinus and connection with other venules, and (3) the cavernous sinus and the nerves evolved inside this sinus during gestation, for example, the trigeminal nerve already formed bundles of motor and parasympathetic components during fetal development. This ontogenetic study further confirmed the cavernous sinus is not a single or a dual set of sinuses, but a group of extensions of venous sinuses or sinusoids. These new insights were integrated with previous understandings of the cavernous sinus to form this review article. Anat Rec, 301:819-824, 2018. © 2017 Wiley Periodicals, Inc.


Assuntos
Seio Cavernoso/embriologia , Seio Cavernoso/crescimento & desenvolvimento , Desenvolvimento Embrionário/fisiologia , Humanos
4.
World J Radiol ; 9(1): 5-9, 2017 Jan 28.
Artigo em Inglês | MEDLINE | ID: mdl-28144401

RESUMO

Functional magnetic resonance imaging (fMRI) is employed in many behavior analysis studies, with blood oxygen level dependent- (BOLD-) contrast imaging being the main method used to generate images. The use of BOLD-contrast imaging in fMRI has been refined over the years, for example, the inclusion of a spin echo pulse and increased magnetic strength were shown to produce better recorded images. Taking careful precautions to control variables during measurement, comparisons between different specimen groups can be illustrated by fMRI imaging using both quantitative and qualitative methods. Differences have been observed in comparisons of active and resting, developing and aging, and defective and damaged brains in various studies. However, cognitive studies using fMRI still face a number of challenges in interpretation that can only be overcome by imaging large numbers of samples. Furthermore, fMRI studies of brain cancer, lesions and other brain pathologies of both humans and animals are still to be explored.

5.
Microsc Res Tech ; 80(5): 525-529, 2017 May.
Artigo em Inglês | MEDLINE | ID: mdl-28059485

RESUMO

Megavilli and Landolt's clubs were reported in the interreceptor matrix of the retina of the goldfish and neonatal rat for the first time. Megavilli encroach onto the inner or outer segments of photoreceptors and were different from microvilli. Landolt's clubs were not present in the adult rat but only in the adult goldfish.

6.
Curr Med Chem ; 24(11): 1139-1146, 2017 May 31.
Artigo em Inglês | MEDLINE | ID: mdl-27978801

RESUMO

This review examines brain sites involved in sexual stimulation. New data on brain activation sites in individuals having erections concomitant with visual erotic stimulation were documented. The activation was chiefly at the midbrain around the cerebral peduncle, and in the pons centering on the tegmentum, they are indicated by blood oxygenation level dependent (BOLD) images captured by functional magnetic resonance imaging (fMRI). The cerebellum and inferior temporal lobe were activated more extensively in individuals viewing pornographic movie with a concomitant erection than those without. Similarly, individuals with erection had activations in the midbrain and pons, while drug addicts had neither erections nor any of these brainstem active sites. From our observation in the new data, we deduced three possible transmitters might be involved in erection: i) cholinergic neurons forming descending pathways and associated with motor activity ii) gamma-aminobutyric acid (GABA), directly or indirectly via decreasing pathways, modulating autonomic vascular responses in the penile vasculature causing the filling of blood iii) GABA decreases to stimulate dopamine increase in ventral tegmentum of the brain, leading to euphoric responses.


Assuntos
Encéfalo/diagnóstico por imagem , Imageamento por Ressonância Magnética , Ereção Peniana/fisiologia , Animais , Encéfalo/fisiologia , Mapeamento Encefálico , Dopamina/metabolismo , Humanos , Masculino , Estimulação Luminosa , Ácido gama-Aminobutírico/metabolismo
7.
Mini Rev Med Chem ; 17(16): 1537-1547, 2017.
Artigo em Inglês | MEDLINE | ID: mdl-27659250

RESUMO

BACKGROUND: This review looks into the herbs Gingko biloba, Polygala tenuifolia, and Lycii fructus for their widely studied neuroprotective properties. In particular, we investigated memory enhancing effect of these herbs, and their potential synergetic effect on memory with new data. Sixmonth treated mice demonstrated shorter escape latency in water maze and shorter arrival time in a consolidated memory task. Immunochemistry showed evident increase in superoxide dismutase activities in the prefrontal cortex, implying protection against free radicals during aging. Discrete increase of catecholaminergic neurons was found in the prefrontal cortex, hippocampus, corpus striatum, and midbrain, suggesting better memory and better control on mood and behavior. Necrotic cells in the brain decreased as indicated by immunocytochemistry of lactic dehydrogenase. Terminal deoxynucleotidyl transferase dUTP nick end labeling showed no apoptotic cells in most brain areas in high dose group. Biochemistry revealed increase of dopaminergic cells in treatment groups at prefrontal cortex, and in the hippocampus and cerebellum of the high dose group. Most 6-month groups showed increase of serotonin in all three areas. For the high dose group, GABA increased in the hippocampus but not prefrontal cortex, which would help induce sleep at night. Protein kinase C increased in most groups at prefrontal cortex, hippocampus and cerebellum, signifying increase of possible signal transduction pathways for memory or other nervous activations. CONCLUSION: Our results intimate that the interaction of the three herbs exerts beneficial effects on memory, associated cognitive function, and necrosis. Future investigations based on the present data shall aid development of clinically relevant medication.


Assuntos
Cognição/efeitos dos fármacos , Ginkgo biloba , Lycium , Memória/efeitos dos fármacos , Fármacos Neuroprotetores/farmacologia , Preparações de Plantas/farmacologia , Polygala , Animais , Encéfalo/efeitos dos fármacos , Encéfalo/fisiologia , Ginkgo biloba/química , Humanos , Lycium/química , Fármacos Neuroprotetores/química , Preparações de Plantas/química , Plantas Medicinais/química , Polygala/química , Superóxido Dismutase/metabolismo , Ácido gama-Aminobutírico/metabolismo
8.
Prog Histochem Cytochem ; 51(1): 1-8, 2016 05.
Artigo em Inglês | MEDLINE | ID: mdl-26851150

RESUMO

This review discussed the importance of mutated tau, amyloid and neuroinflammatory factors and microglia in Alzheimer disease. In particular tau, CD4 and TNF alpha were included in the review and the colocalizations of these factors were highlighted. It is important to realize the Alzheimer disease may result from the interactions of these factors. Some of these factors may coexist at the same region and at the same time e.g. mutated tau and amyloid in plaques. A summary scheme of etiology leading to the disease was included.


Assuntos
Doença de Alzheimer/genética , Proteínas Amiloidogênicas/genética , Mutação , Placa Amiloide/genética , Proteínas tau/genética , Doença de Alzheimer/diagnóstico , Doença de Alzheimer/imunologia , Doença de Alzheimer/patologia , Proteínas Amiloidogênicas/imunologia , Animais , Encéfalo/imunologia , Encéfalo/patologia , Antígenos CD4/genética , Antígenos CD4/imunologia , Morte Celular , Expressão Gênica , Humanos , Inflamação , Microglia/imunologia , Microglia/patologia , Placa Amiloide/diagnóstico , Placa Amiloide/imunologia , Placa Amiloide/patologia , Fator de Necrose Tumoral alfa/genética , Fator de Necrose Tumoral alfa/imunologia , Proteínas tau/imunologia
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