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1.
Heliyon ; 10(12): e32965, 2024 Jun 30.
Artigo em Inglês | MEDLINE | ID: mdl-39022082

RESUMO

The use of animal models for biological experiments is no longer sufficient for research related to human life and disease. The development of organ tissues has replaced animal models by mimicking the structure, function, development and homeostasis of natural organs. This provides more opportunities to study human diseases such as cancer, infectious diseases and genetic disorders. In this study, bibliometric methods were used to analyze organoid-related articles published over the last 20+ years to identify emerging trends and frontiers in organoid research. A total of 13,143 articles from 4125 institutions in 86 countries or regions were included in the analysis. The number of papers increased steadily over the 20-year period. The United States was the leading country in terms of number of papers and citations. Harvard Medical School had the highest number of papers published. Keyword analysis revealed research trends and focus areas such as organ tissues, stem cells, 3D culture and tissue engineering. In conclusion, this study used bibliometric and visualization methods to explore the field of organoid research and found that organ tissues are receiving increasing attention in areas such as cancer, drug discovery, personalized medicine, genetic disease modelling and gene repair, making them a current research hotspot and a future research trend.

2.
NPJ Aging ; 10(1): 26, 2024 May 15.
Artigo em Inglês | MEDLINE | ID: mdl-38750132

RESUMO

Hormesis, an adaptive response, occurs when exposure to low doses of a stressor potentially induces a stimulatory effect, while higher doses may inhibit it. This phenomenon is widely observed across various organisms and stressors, significantly advancing our understanding and inspiring further exploration of the beneficial effects of toxins at doses both below and beyond traditional thresholds. This has profound implications for promoting biological regulation at the cellular level and enhancing adaptability throughout the biosphere. Therefore, conducting bibliometric analysis in this field is crucial for accurately analyzing and summarizing its current research status. The results of the bibliometric analysis reveal a steady increase in the number of publications in this field over the years. The United States emerges as the leading country in both publication and citation numbers, with the journal Dose-Response publishing the highest number of papers in this area. Calabrese E.J. is a prominent person with significant contributions and influence among authors. Through keyword co-occurrence and trend analysis, current hotspots in this field are identified, primarily focusing on the relationship between hormesis, oxidative stress, and aging. Analysis of highly cited references predicts that future research trends may center around the relationship between hormesis and stress at different doses, as well as exploring the mechanisms and applications of hormesis. In conclusion, this review aims to visually represent hormesis-related research through bibliometric methods, uncovering emerging patterns and areas of focus within the field. It provides a summary of the current research status and forecasts trends in hormesis-related research.

3.
Front Cardiovasc Med ; 10: 1270694, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-38045917

RESUMO

Background: Intraoperative hypotension (IOH) is a common complication occurring in surgical practice. This study aims to comprehensively review the collaboration and impact of countries, institutions, authors, journals, keywords, and critical papers on intraoperative hypotension from the perspective of bibliometric, and to evaluate the evolution of knowledge structure clustering and identify research hotspots and emerging topics. Methods: Articles and reviews related to IOH published from 2004 to 2022 were retrieved from the Web of Science Core Collection. Bibliometric analyses and visualization were conducted on Excel, CiteSpace, VOSviewer, and Bibliometrix (R-Tool of R-Studio). Results: A total of 1,784 articles and reviews were included from 2004 to 2022. The number of articles on IOH gradually increased in the past few years, and peaked in 2021. These publications were chiefly from 1,938 institutions in 40 countries, led by America and China in publications. Sessler Daniel I published the most papers and enjoyed the highest number of citations. Analysis of the journals with the most outputs showed that most journals concentrated on perioperative medicine and clinical anesthesiology. Delirium, acute kidney injury and vasoconstrictor agents are the current and developing research hotspots. The keywords "Acute kidney injury", "postoperative complication", "machine learning", "risk factors" and "hemodynamic instability" may also become new trends and focuses of the near future research. Conclusion: This study uses bibliometrics and visualization methods to comprehensively review the research on intraoperative hypotension, which is helpful for scholars to better understand the dynamic evolution of IOH and provide directions for future research.

4.
BMC Complement Altern Med ; 18(1): 169, 2018 May 30.
Artigo em Inglês | MEDLINE | ID: mdl-29848316

RESUMO

BACKGROUND: Combining conventional drugs and traditional medicine may represent a useful approach to combating antibiotic resistance, which has become a serious threat to global public health. This study aimed to evaluate the potential synergistic interactions between Tanreqing (TRQ) injection, a commercial traditional Chinese medicine formula used for the treatment of upper respiratory tract infection, and selected antibiotics used against methicillin-resistant Staphylococcus aureus (MRSA). METHODS: The minimum inhibitory concentrations (MICs) of TRQ, vancomycin and linezolid against planktonic MRSA strain were determined by the broth microdilution method. The combined effects of TRQ and antibiotics were studied by the checkerboard method and the time-kill curve assay. The 2,3-bis-(2-methoxy-4-nitro-5-sulfophenyl)-2H-tetrazolium-5-carboxanilide (XTT) reduction assay was employed to determine the inhibitory effect of the test compounds alone and in combination against MRSA embedded in biofilms. RESULTS: MRSA strain was found to be susceptible to TRQ formula with MIC value 4125 µg/ml, while the MIC values for antibiotics, vancomycin and linezolid, were 2.5 µg/ml. The checkerboard analysis revealed that TRQ markedly enhanced activities of the tested antibiotics by reducing their MICs. In the time-kill analysis, TRQ at 1/2 × MIC in combination with vancomycin at 1/2 × MIC, as well as TRQ at 1/8 × MIC in combination with linezolid at 1/2 × MIC decreased the viable colonies by ≥2log10 CFU/ml, resulting in a potent synergistic effect against planktonic MRSA. In contrast to the tested antibiotics, which did not affect mature MRSA biofilms at subinhibitory concentrations, TRQ alone showed strong ability to disrupt preformed biofilms and induce biofilm cell death. The combination of TRQ with vancomycin or linezolid at sub-MIC concentrations resulted in a synergistic antibiofilm effect significantly higher than for each single agent. CONCLUSIONS: This study provides the first in vitro evidence on the synergistic effects of TRQ and vancomycin or linezolid against planktonic and biofilm MRSA, and revealed their optimal combination doses, thereby providing a rational basis for the combination therapies against MRSA.


Assuntos
Antibacterianos/farmacologia , Medicamentos de Ervas Chinesas/farmacologia , Linezolida/farmacologia , Staphylococcus aureus Resistente à Meticilina/efeitos dos fármacos , Vancomicina/farmacologia , Biofilmes/efeitos dos fármacos , Sinergismo Farmacológico , Testes de Sensibilidade Microbiana
5.
Zhongguo Zhen Jiu ; 28(12): 869-72, 2008 Dec.
Artigo em Chinês | MEDLINE | ID: mdl-19127910

RESUMO

OBJECTIVE: To find a better therapy for extensive cerebral infarction. METHODS: Sixty cases with extensive cerebral infarction were treated by surgical decompression. After operation, they were randomly divided into an acupuncture plus medication group and a medication group, 30 cases in each group. The patients in the medication group were treated by routine western medicine, and the patients in the acupuncture plus medication group by the routine western medicine plus acupuncture 2 days after operation with Danzhong (CV 17), Zhongwan (CV 12), Qihai (CV 6), Zusanli (ST 36), Xuehai (SP 10) and Shuigou (GV 26) selected. They were treated for 10 days. The nervous functions were assessed by Chinese Stroke Nerve-function Rating Scale and criteria for clinical therapeutic effect. RESULTS: After surgical decompression, the death rate was 20.0%; after operation, acupuncture could significantly improve the neurological functional deficit degree of the patient. The total effective rate of 40.0% in the acupuncture plus medication group was better than 13.3% in the medication group (P<0.05). CONCLUSION: The surgical decompression is able to decrease the death rate of extensive cerebral infarction; after the operation, acupuncture and western medicine have cooperative effect on extensive cerebral infarction with a good therapeutic effect.


Assuntos
Terapia por Acupuntura , Infarto Cerebral/fisiopatologia , Infarto Cerebral/terapia , Sistema Nervoso/fisiopatologia , Pontos de Acupuntura , Adulto , Idoso , Idoso de 80 Anos ou mais , Infarto Cerebral/tratamento farmacológico , Feminino , Humanos , Masculino , Pessoa de Meia-Idade
6.
Zhongguo Zhen Jiu ; 26(4): 247-9, 2006 Apr.
Artigo em Chinês | MEDLINE | ID: mdl-16642607

RESUMO

OBJECTIVE: To probe the best therapy for the patient after operation of hypertensive cerebral hemorrhage. METHODS: One hundred cases were randomly divided into a treatment group and a control group, 50 cases in each group. The control group were treated by routine western medicine (Mannitol, Nifedipine and Caftriaxone sodium and so On), and the treatment group by the medication of the control group plus acupuncture 9 days after operation. Acupuncture was given at Neiguan (PC 6), Shuigou (GV 26), Sanyinjiso (SP 6), Jiquan (HT 1) and Weizhong (BL 40) and so on, combined with scalp acupuncture, with "restoring consciousness and inducing consciousness" needling method, for 10 days. The nervous function defect was assessed by Chinese Stroke Scale and the criteria for assessment of therapeutic effects. RESULTS: Acupuncture could improve significantly nervous function defect. The total effective rate was 86.000 in the treatment group and 14.0% in the control group with a significant difference between the two groups (P < 0.01). CONCLUSION: The therapeutic effect of the treatment group is better than that of the control group. Acupuncture combined with western medicine has cooperation for treatment of hypertensive intracerebral hemorrhage with a better therapeutic effect.


Assuntos
Terapia por Acupuntura , Hemorragia Intracraniana Hipertensiva/terapia , Sistema Nervoso/fisiopatologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Terapia Combinada , Feminino , Humanos , Hemorragia Intracraniana Hipertensiva/fisiopatologia , Masculino , Pessoa de Meia-Idade
7.
Zhonghua Yi Xue Za Zhi ; 85(41): 2905-9, 2005 Nov 02.
Artigo em Chinês | MEDLINE | ID: mdl-16324363

RESUMO

OBJECTIVE: To investigate the effects of the carboxyl end of osteogenic growth peptide (OGP)-OGP((10-14)) and its derivative G38I on the proliferation and differentiation of osteoblasts (OBs). METHODS: Osteoblasts were isolated from the calvariae of newborn SD rats and cultured to G3. OGP((10-14)) or G38I of the concentrations of 10(-15) to 10(-7) mol/L were added to culture medium for 48 hours respectively. The number of cells was counted and MTT analysis was used to examine the proliferation of the cells. The ultrastructure of cells was investigated by electron microscopy. The osteoblasts of G3 were divided into experimental groups, treated with OGP((10-14)) or G38I of the concentration of 10(-11) mol/L for 48 hours, and control group. The alkaline phosphatase activity in the culture medium was measured. The protein expression level of type-I collagen was evaluated by immunohistochemistry. The core binding factor 1 (Cbfa1) and type-I collagen mRNA level of osteoblasts were determined by RT-PCR. RESULTS: With a biphasic effect on, OGP((10-14)) and G38I stimulated the number enhancement of OBs dose-dependently at low concentration and inhibited it at high concentration. The numbers of OB were the highest (37 x 10(4)/ml +/- 7 x 10(4)/ml and 30 x 10(4)/ml +/- 5 x 10(4)/ml respectively) when treated by OGP((10-14)) or G38I of the concentration of 10(-11)mol/L. The rough endoplasm net was flourishing and the secreting vesicle was abounding in the experimental cells. There was calcium crystal in the control cells. The activity of alkaline phosphatase in the culture medium of the OGP (10(-14)) and G38I groups were higher than that in the control group (4.47 U/g and 3.82 U/g vs 2.21 U/g). The protein expression level of type-I collagen was higher and the mRNA levels of Cbfa1 and type-I collagen were higher in the OGP((10-14)) and G38I groups were increased in the experimental groups in comparison with the control group (P < 0.05, P < 0.01, and P < 0.05). CONCLUSION: They stimulated cell number enhancement dose dependently at low concentration and followed by inhibition at high concentration. Just as the native OGP, OGP((10-14)) and its derivative G38I stimulate the proliferation of osteoblasts, and improve their activity, up-regulate the Cbfa1 and type-I collagen mRNA expression levels and increase the collagen synthesis, thus promoting the differentiation and osteogenic effect of osteoblasts.


Assuntos
Diferenciação Celular/efeitos dos fármacos , Proliferação de Células/efeitos dos fármacos , Histonas/farmacologia , Peptídeos e Proteínas de Sinalização Intercelular/farmacologia , Osteoblastos/citologia , Fosfatase Alcalina/metabolismo , Animais , Animais Recém-Nascidos , Dióxido de Carbono/farmacologia , Células Cultivadas , Colágeno Tipo I/biossíntese , Colágeno Tipo I/genética , Subunidades alfa de Fatores de Ligação ao Core/biossíntese , Subunidades alfa de Fatores de Ligação ao Core/genética , RNA Mensageiro/biossíntese , RNA Mensageiro/genética , Ratos , Ratos Sprague-Dawley
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