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1.
Front Oncol ; 13: 1334176, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-38144532

RESUMO

[This corrects the article DOI: 10.3389/fonc.2023.1239932.].

2.
Front Med (Lausanne) ; 10: 1237432, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-38020160

RESUMO

Background: The demand for healthcare is increasing globally, with notable disparities in access to resources, especially in Asia, Africa, and Latin America. The rapid development of Artificial Intelligence (AI) technologies, such as OpenAI's ChatGPT, has shown promise in revolutionizing healthcare. However, potential challenges, including the need for specialized medical training, privacy concerns, and language bias, require attention. Methods: To assess the applicability and limitations of ChatGPT in Chinese and English settings, we designed an experiment evaluating its performance in the 2022 National Medical Licensing Examination (NMLE) in China. For a standardized evaluation, we used the comprehensive written part of the NMLE, translated into English by a bilingual expert. All questions were input into ChatGPT, which provided answers and reasons for choosing them. Responses were evaluated for "information quality" using the Likert scale. Results: ChatGPT demonstrated a correct response rate of 81.25% for Chinese and 86.25% for English questions. Logistic regression analysis showed that neither the difficulty nor the subject matter of the questions was a significant factor in AI errors. The Brier Scores, indicating predictive accuracy, were 0.19 for Chinese and 0.14 for English, indicating good predictive performance. The average quality score for English responses was excellent (4.43 point), slightly higher than for Chinese (4.34 point). Conclusion: While AI language models like ChatGPT show promise for global healthcare, language bias is a key challenge. Ensuring that such technologies are robustly trained and sensitive to multiple languages and cultures is vital. Further research into AI's role in healthcare, particularly in areas with limited resources, is warranted.

4.
Diabetes Metab Syndr Obes ; 12: 1705-1716, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31564938

RESUMO

OBJECTIVE: To investigate the effect of gross saponins of Tribulus terrestris (GSTT) on erectile function in rats resulting from type 2 diabetes mellitus (T2DMED). METHODS: The T2DMED model was constructed by high-fat and high-sugar feeding and streptozotocin injection. After 4 weeks of GSTT intervention. Intracavernous pressure (ICP) and mean arterial pressure (MAP) were measured in each group. The level of nitric oxide (NO) in the cavernous tissue was detected using the nitrate reductase method. The production of reactive oxygen species (ROS) was detected using DHE fluorescent probe detection. Cyclic adenosine monophosphate (cGMP) level was detected by enzyme-linked immunosorbent assay, and endothelial nitric oxide synthase (eNOS) was detected using immunohistochemistry. Masson staining was used to detect the cavernosal smooth muscle/collagen ratio. Apoptosis in endothelial cells was measured using TUNEL. Western blotting method to detect the protein expression level of eNOS, TIMP-1, cleaved caspase 3, and cleaved caspase 9. RESULTS: After treatment, the ICP and ICP/MAP values of the GSTT were significantly higher than those of the T2DMED group (P<0.05). Unlike the T2DMED group, the GSTT group showed significantly increased NO levels (P<0.05) and decreased ROS levels (P<0.05). There was no significant difference between the GSTT group and the sildenafil group in increasing cGMP levels (P>0.05), and the mixed group had higher levels than these two groups (P<0.05). Immunohistochemistry and Western blotting showed that the expression of eNOS in the GSTT was significantly higher than that in the T2DMED groups (P<0.05). Masson staining showed that the smooth muscle/collagen ratio of the GSTT group was significantly higher than that of the T2DMED groups (P<0.05), the expression of TIMP-1 was lower than that of T2DMED group (P<0.05). TUNEL assay showed that the apoptotic index and cleaved caspase 3 and cleaved caspase 9 expression level of GSTT group were lower than that of the T2DMED group (P<0.05). CONCLUSION: GSTT can protect T2DMED rats' erectile function by improving penile endothelial function and inhibiting cavernosum fibrosis, inhibiting apoptosis, and is synergistic with sildenafil.

5.
Oncol Lett ; 18(4): 4016-4021, 2019 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-31516603

RESUMO

The long noncoding (lnc) RNA MIR4435-2HG is known to promote lung cancer; however, its role in prostate carcinoma (PCa) remains unknown. The aim of the current study was therefore to investigate the role of MIR4435-2HG in PCa by detecting differential gene expression using quantitative PCR and ELISA kits. Furthermore, overexpression experiments were performed to analyze gene interactions and Transwell assays were used to analyze cell invasion and migration. The present study demonstrated that plasma levels of MIR4435-2HG and transforming growth factor-ß1 (TGF-ß1) were significantly higher in patients with PCa compared with healthy controls. Furthermore, MIR4435-2HG and TGF-ß1 plasma levels were positively correlated in patients with PCa, but not in healthy controls. The results from the follow-up study suggested that MIR4435-2HG was closely associated with patient survival. MIR4435-2HG overexpression and treatment with TGF-ß1 promoted cancer cell invasion and migration. In addition, TGF-ß inhibitor attenuated the enhancing effects of MIR4435-2HG overexpression on cell invasion and migration. MIR4435-2HG overexpression led to upregulation of TGF-ß1 expression, whereas TGF-ß1 treatment had no effect on MIR4435-2HG expression. These results suggested that MIR4435-2HG may promote PCa by upregulating TGF-ß1.

6.
J Org Chem ; 82(21): 11603-11608, 2017 11 03.
Artigo em Inglês | MEDLINE | ID: mdl-29027467

RESUMO

Using N-methoxymethyl-N-organylcarbamoyl(trimethyl)silanes as secondary amides source, the direct transformation of aryl halides into the corresponding secondary aromatic amides via palladium-catalyzed aminocarbonylation is described. The reactions tolerated a broad range of functional groups on the aryl ring except big steric hindrance of substituent. The types and the relative position of substituents on the aryl ring impact the coupling efficiency.

7.
Asia Pac J Public Health ; 27(1): 33-7, 2015 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-25452590

RESUMO

Malaysia has an abortion law, which permits termination of pregnancy to save a woman's life and to preserve her physical and mental health (Penal Code Section 312, amended in 1989). However, lack of clear interpretation and understanding of the law results in women facing difficulties in accessing abortion information and services. Some health care providers were unaware of the legalities of abortion in Malaysia and influenced by their personal beliefs with regard to provision of abortion services. Accessibility to safer abortion techniques is also an issue. The development of the 2012 Guidelines on Termination of Pregnancy and Guidelines for Management of Sexual and Reproductive Health among Adolescents in Health Clinics by the Ministry of Health, Malaysia, is a step forward toward increasing women's accessibility to safe abortion services in Malaysia. This article provides an account of women's accessibility to abortion in Malaysia and the health sector response in addressing the barriers.


Assuntos
Aborto Legal , Acessibilidade aos Serviços de Saúde , Adolescente , Atitude Frente a Saúde , Feminino , Setor de Assistência à Saúde/organização & administração , Humanos , Malásia , Guias de Prática Clínica como Assunto , Gravidez
8.
Artigo em Inglês | MEDLINE | ID: mdl-24223057

RESUMO

Si Shen Wan (SSW) is used to effectively treat ulcerative colitis (UC) as a formula of traditional Chinese medicine. To explore the mechanism of SSW-inhibited apoptosis of colonic epithelial cell, the study observed mRNA expression of apoptosis-related molecules in p38 MAPK signal pathway in colonic mucosa in colitis mice treated with SSW. Experimental colitis was induced by 2,4,6-trinitrobenzene sulfonic acid (TNBS) in mice; meanwhile, the mice were administrated daily either SSW (5 g/kg) or p38 MAPK inhibitor (2 mg/kg) or vehicle (physiological saline) for 10 days. While microscopical evaluation was observed, apoptosis rate of colonic epithelial cell and mRNA expression of apoptosis-related molecules were tested. Compared with colitis mice without treatment, SSW alleviated colonic mucosal injuries and decreased apoptosis rate of colonic epithelial cell, while the mRNA expressions of p38 MAPK, p53, caspase-3, c-jun, c-fos, Bax, and TNF- α were decreased in the colonic mucosa in colitis mice treated with SSW, and Bcl-2 mRNA and the ratio of Bcl-2/Bax were increased. The present study demonstrated that SSW inhibited mRNA expression of apoptosis-related molecules in p38 MAPK signal pathway to downregulate colonic epithelial cells apoptosis in colonic mucosa in mice with colitis.

9.
J Ethnopharmacol ; 143(2): 435-40, 2012 Sep 28.
Artigo em Inglês | MEDLINE | ID: mdl-22751005

RESUMO

ETHNOPHARMACOLOGICAL RELEVANCE: Si Shen Wan is a traditional Chinese herbal medicine formula for the treatment of diseases with diarrhea, such as ulcerative colitis, allergic colitis and chronic colitis. To investigate the protective and healing effects of Si Shen Wan in the experimental colitis induced by trinitrobenzene sulphonic acid, and to furture explore its mechanism of action. MATERIALS AND METHODS: Rats with colitis treated with Si Shen Wan for 10 days. Colon wet weight, colon organ coefficient, colonic damage score and pathological change after trinitrobenzene sulphonic acid challenge were determined. The levels of MPO, MDA, GSH-PX, SOD and the expression of IL-4 and IL-10 mRNA in the colon were also measured. RESULTS: After treatment, colon wet weight, colon organ coefficient and colonic damage score were lower than that in the control group (p<0.05). MDA and MPO concentrations in the inflamed colonic tissues were decreased remarkably in the treated groups compared with that in the control group (p<0.05). But SOD level, IL-4 and IL-10 mRNA expression in the inflamed colonic tissues were obviously increased. CONCLUSIONS: It is a potential path that protective effect of Si Shen Wan on impaired colonic mucosa rats with experimental colitis was accomplished by down-regulating the level of MDA and MPO, and up-regulating the level of SOD and the IL-4 and IL-10 mRNA expression in the colon mucosa.


Assuntos
Colite/tratamento farmacológico , Medicamentos de Ervas Chinesas/uso terapêutico , Fitoterapia , Substâncias Protetoras/uso terapêutico , Animais , Colite/induzido quimicamente , Colite/metabolismo , Colite/patologia , Medicamentos de Ervas Chinesas/farmacologia , Feminino , Glutationa Peroxidase/metabolismo , Interleucina-10/genética , Interleucina-4/genética , Mucosa Intestinal/efeitos dos fármacos , Mucosa Intestinal/metabolismo , Mucosa Intestinal/patologia , Masculino , Malondialdeído/metabolismo , Peroxidase/metabolismo , Substâncias Protetoras/farmacologia , RNA Mensageiro/metabolismo , Ratos , Ratos Sprague-Dawley , Superóxido Dismutase/metabolismo , Ácido Trinitrobenzenossulfônico
10.
PLoS One ; 7(12): e52116, 2012.
Artigo em Inglês | MEDLINE | ID: mdl-23300600

RESUMO

BACKGROUND: Abortion is a serious public health issue, and it poses high risks to the health and life of women. Yet safe abortion services are not readily available because few doctors are trained to provide such services. Many doctors are unaware of laws pertaining to abortion. This article reports survey findings on Malaysian medical students' attitudes toward abortion education and presents a case for including abortion education in medical schools. METHODS AND RESULTS: A survey on knowledge of and attitudes toward abortion among medical students was conducted in two public universities and a private university in Malaysia in 2011. A total of 1,060 students returned the completed questionnaires. The survey covered about 90% of medical students in Years 1, 3, and 5 in the three universities. About 90% of the students wanted more training on the general knowledge and legal aspects of abortion, and pre-and post-abortion counseling. Overall, 75.9% and 81.0% of the students were in favor of including in medical education the training on surgical abortion techniques and medical abortion, respectively. Only 2.4% and 1.7% were opposed to the inclusion of training of these two methods in the curriculum. The remaining respondents were neutral in their stand. Desire for more abortion education was associated with students' pro-choice index, their intention to provide abortion services in future practice, and year of study. However, students' attitudes toward abortion were not significantly associated with gender, type of university, or ethnicity. CONCLUSIONS: Most students wanted more training on abortion. Some students also expressed their intention to provide abortion counseling and services in their future practice. Their desire for more training on abortion should be taken into account in the new curriculum. Abortion education is an important step towards making available safe abortion services to enable women to exercise their reproductive rights.


Assuntos
Aborto Induzido/educação , Atitude do Pessoal de Saúde , Educação Médica/normas , Estudantes de Medicina/psicologia , Adulto , Feminino , Conhecimentos, Atitudes e Prática em Saúde , Humanos , Malásia , Masculino , Estudantes de Medicina/estatística & dados numéricos , Inquéritos e Questionários , Adulto Jovem
11.
Zhongguo Zhong Yao Za Zhi ; 36(24): 3484-8, 2011 Dec.
Artigo em Chinês | MEDLINE | ID: mdl-22368862

RESUMO

OBJECTIVE: To evaluate therapeutic effect of Sishen Wan on experimental colitis, and explore its mechanism by expression of Bax/Bcl-2 mRNA, Fas/FasL in colonic tissue. METHOD: Experimental colitis was induced by rectal administration of trinitrobenzene sulfonic acid (TNBS) dissolved in ethanol. The model animals were divided into four groups: the induced colitis but untreated group, the induced colitis groups treated with the high, middle, low dose of Sishen Wan, and the induced colitis group treated with salicylazosulfapyridine (SASP). After 10 day administration, the body weight, colonic wet weight, colonic weight index, colonic damage score and pathological change were evaluated, and the level of Fas and FasL by flow cytometry, Bax mRNA and Bcl-2 mRNA by reverse transcription polymerase chain reaction (RT-PCT). RESULT: Compared with the model group, the colonic wet weight and colonic weight index were remarkably decreased in the middle dose of Sishen Wan group (P < 0.05). The colonic injury scores were significantly reduced after rats were treated with the three doses of Sishen Wan (P < 0.05). Representative restored features were observed including fewer inflammatory cellular infiltration and follicular hyperplasia, superficial and little ulcer with fibroplasia in colonic mucosa from the treated groups. The expression of Fas in the colonic mucosa was obviously down-regulated (P < 0.05) and the ratio of Bcl-2 mRNA/Bax mRNA was significantly up-regulated (P < 0.05) in the groups treated with the three doses of Sishen Wan. CONCLUSION: Sishen Wan might postpone colonic epithelium apoptosis or improve inflammatory cell apoptosis by regulating the expression of Fas/ FasL and Bax/Bcl-2 mRNA in colonic tissue, which is possible potential path to effectively treat experimental colitis by enema.


Assuntos
Colite/tratamento farmacológico , Colo/metabolismo , Medicamentos de Ervas Chinesas/farmacologia , Proteína Ligante Fas/genética , Proteínas Proto-Oncogênicas c-bcl-2/genética , Proteína X Associada a bcl-2/genética , Receptor fas/genética , Animais , Colite/metabolismo , Medicamentos de Ervas Chinesas/uso terapêutico , Feminino , Masculino , RNA Mensageiro/análise , Ratos , Ratos Sprague-Dawley
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