Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 12 de 12
Filtrar
Mais filtros










Base de dados
Intervalo de ano de publicação
1.
Healthcare (Basel) ; 11(15)2023 Aug 04.
Artigo em Inglês | MEDLINE | ID: mdl-37570443

RESUMO

Self-esteem is an important factor determining QoL after surgical procedures leading to bodily deformities associated with cancer treatment. However, there are few data on which components of self-esteem are most closely related to QoL. The article presents two studies that aim to fill this gap. Study 1 concerns changes in global self-esteem and QoL in patients treated surgically for oral cancer (n = 35); Study 2 concerns changes in explicit and implicit self-esteem and QoL in women with breast cancer undergoing mastectomy (n = 96). The study was longitudinal with two measurements: before and after surgery. Both studies used the EORTC QLQ-C30 and Rosenberg's SES questionnaires. In Study 2, the Implicit Association Test (IAT) was additionally performed. The patients' global QoL and self-esteem deteriorated after surgery. In Study 1, patients with higher initial self-esteem showed a greater range of decreased self-esteem and QoL than patients with initially low self-esteem. In Study 2, the largest decreases in various dimensions of QoL and explicit self-esteem were observed in women with fragile self-esteem. A group of women with high explicit and implicit self-esteem showed the best QoL after mastectomy. Cancer patients with high, fragile self-esteem are at risk of the greatest deterioration in QoL and self-image after cancer surgery. These people should be given special psycho-oncological care.

2.
J Microbiol ; 61(7): 703-711, 2023 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-37358709

RESUMO

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) emergence in 2019 led to global health crises and the persistent risk of viral mutations. To combat SARS-CoV-2 variants, researchers have explored new approaches to identifying potential targets for coronaviruses. This study aimed to identify SARS-CoV-2 inhibitors using drug repurposing. In silico studies and network pharmacology were conducted to validate targets and coronavirus-associated diseases to select potential candidates, and in vitro assays were performed to evaluate the antiviral effects of the candidate drugs to elucidate the mechanisms of the viruses at the molecular level and determine the effective antiviral drugs for them. Plaque and cytopathic effect reduction were evaluated, and real-time quantitative reverse transcription was used to evaluate the antiviral activity of the candidate drugs against SARS-CoV-2 variants in vitro. Finally, a comparison was made between the molecular docking binding affinities of fenofibrate and remdesivir (positive control) to conventional and identified targets validated from protein-protein interaction (PPI). Seven candidate drugs were obtained based on the biological targets of the coronavirus, and potential targets were identified by constructing complex disease targets and PPI networks. Among the candidates, fenofibrate exhibited the strongest inhibition effect 1 h after Vero E6 cell infection with SARS-CoV-2 variants. This study identified potential targets for coronavirus disease (COVID-19) and SARS-CoV-2 and suggested fenofibrate as a potential therapy for COVID-19.


Assuntos
COVID-19 , Fenofibrato , Humanos , SARS-CoV-2 , Antivirais/farmacologia , Antivirais/química , Simulação de Acoplamento Molecular , Fenofibrato/farmacologia
3.
Ginekol Pol ; 94(5): 366-373, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37070966

RESUMO

OBJECTIVES: Trisomy 18 is an autosomal chromosomal disorder, which is associated with numerous ranges of congenital anomalies. Purpose of this largest study in Poland was to analyze diagnosis and follow-up of fetuses with the prenatal diagnosis of Trisomy 18 in our tertiary center. MATERIAL AND METHODS: The study was conducted in a tertiary center for fetal cardiology. The inclusion criteria comprised fetuses with karyotype of Trisomy 18. Data on number of delivery, number of pregnancy, cardiac and extracardiac diseases, type and date of childbirth, sex, birth date, Apgar score, survival time and autopsy were analyzed. RESULTS: There were 41 fetuses with diagnosis confirmed by amniocentesis: 34 were females, 7 males. CHD was detected prenatally in 73% cases at mean gestational age of 26 weeks. The most common CHD was AV-canal (13 cases, 43%) and VSD (13 cases, 43%). In 1999-2010 the average time to detect a heart defect was 29 weeks, in 2011-2021 it was 23 weeks (p < 0.01, U-Mann-Whitney). IUGR was diagnosed in the 3rd trimester in 29 cases (70%), polyhydramnion in 21 cases (51%). CONCLUSIONS: Congenital heart defects in female fetuses with intrauterine growth restriction in 3rd trimester with polyhydramnios and in subsequent pregnancy, regardless of maternal age, were typical prenatal findings for Trisomy 18. Heart defects with incomplete septum such as AVC or VSD (which nowadays can be detected in the 1st half of the pregnancy) were the most common anomaly in Edwards Syndrome. These heart defects did not require intervention in the early neonatal period.


Assuntos
Cardiopatias Congênitas , Ultrassonografia Pré-Natal , Masculino , Recém-Nascido , Gravidez , Feminino , Humanos , Lactente , Síndrome da Trissomía do Cromossomo 18/diagnóstico , Diagnóstico Pré-Natal , Cardiopatias Congênitas/diagnóstico por imagem , Cardiopatias Congênitas/genética , Ecocardiografia , Parto , Trissomia/diagnóstico
4.
Vaccine ; 41(6): 1223-1231, 2023 02 03.
Artigo em Inglês | MEDLINE | ID: mdl-36631359

RESUMO

After severe acute respiratory syndrome coronavirus-2 (SARS-CoV2) made the world tremble with a global pandemic, SARS-CoV2 vaccines were developed. However, due to the coronavirus's intrinsic nature, new variants emerged, such as Delta and Omicron, refractory to the vaccines derived using the original Wuhan strain. We developed an HERV-enveloped recombinant baculoviral DNA vaccine against SARS-CoV2 (AcHERV-COVID19S). A non-replicating recombinant baculovirus that delivers the SARS-CoV2 spike gene showed a protective effect against the homologous challenge in a K18-hACE2 Tg mice model; however, it offered only a 50 % survival rate against the SARS-CoV2 Delta variant. Therefore, we further developed the AcHERV-COVID19 Delta vaccine (AcHERV-COVID19D). The AcHERV-COVID19D induced higher neutralizing antibodies against the Delta variant than the prototype or Omicron variant. On the other hand, cellular immunity was similarly high for all three SARS-CoV2 viruses. Cross-protection experiments revealed that mice vaccinated with the AcHERV-COVID19D showed 100 % survival upon challenge with Delta and Omicron variants and 71.4 % survival against prototype SARS-CoV2. These results support the potential of the viral vector vaccine, AcHERV-COVID19D, in preventing the spread of coronavirus variants such as Omicron and SARS-CoV2 variants.


Assuntos
COVID-19 , Vacinas de DNA , Vacinas Virais , Camundongos , Animais , Humanos , Vacinas contra COVID-19 , SARS-CoV-2 , Camundongos Transgênicos , Enzima de Conversão de Angiotensina 2 , Vacinas de DNA/genética , RNA Viral , COVID-19/prevenção & controle , DNA , Vacinas Virais/genética , Anticorpos Neutralizantes , Baculoviridae/genética , Anticorpos Antivirais , Glicoproteína da Espícula de Coronavírus/genética
5.
Popul Space Place ; : e07, 2022 Aug 11.
Artigo em Inglês | MEDLINE | ID: mdl-36247686

RESUMO

The COVID-19 pandemic calls into question the hosting of students as an urban growth formula after the spread of online education. Therefore, we look at Lodz, Poland, to understand how student cities operate during the pandemic and gain insights into their futures. We unfold the prepandemic and intrapandemic rhythms of students' presence and activities in Lodz's time-space and their attitudes toward the postpandemic future. We show that the pandemic spurred many students to escape from Lodz and changed the activities of those staying in the city by limiting their frequencies and locations. However, we expect students to repopulate Lodz, although its postpandemic existence might evolve through further rhythm changes. Moreover, it will depend not only on the students' demand for higher education per se but also for collective consumption opportunities. Therefore, the pandemic itself does not seem to render the idea of a 'student city' obsolete in the long term.

6.
Medicina (Kaunas) ; 58(8)2022 Aug 02.
Artigo em Inglês | MEDLINE | ID: mdl-36013504

RESUMO

Background and Objectives: Endometriosis is a hormone-dependent chronic inflammatory disease with serious reproductive and general health consequences. It is viewed as a multifactorial problem, consisting of matters related to altered immunity and genetics. In this study, we determined the correlation between endometriosis and allergic and autoimmune diseases in patients at reproductive age. Materials and Methods: Online surveys distributed through websites related to gynecological problems. The questionnaire was composed of 63 single and multiple-choice questions concerning the course of endometriosis, diet, and allergic and autoimmune diseases. The obtained data were assessed using statistical tests. Results: 501 female patients (mean age 31.1 SD = 6.8) were included in the study. The control group (n = 155) consisted of healthy females, whereas the study group (n = 346) consisted of female patients with endometriosis; each group was subdivided according to allergy status. There were statistically significant differences between groups for the following: positive family history of endometriosis (p = 0.0002), onset of allergic symptoms (p = 0.0003), frequency and duration of abdominal pain (p = 0.00625), and defecation disorders (p = 0.0006). Asthma was less common in the study group (p = 0.00611). The group of patients with endometriosis and allergies had a high median of consumption of red meat (p = 0.0143), fish (p = 0.0016), and dairy products (p = 0.0001). Conclusions: Endometriosis did not affect autoimmune diseases and their courses. Patients with diagnosed endometriosis presented allergy symptoms much earlier than the healthy patients. The consumption of dietary products such as soya products, red meat, and alcohol had an influence on the occurrence of endometriosis.


Assuntos
Asma , Doenças Autoimunes , Endometriose , Hipersensibilidade , Animais , Asma/epidemiologia , Doenças Autoimunes/complicações , Doenças Autoimunes/epidemiologia , Endometriose/complicações , Endometriose/epidemiologia , Comportamento Alimentar , Feminino , Humanos , Hipersensibilidade/complicações , Hipersensibilidade/epidemiologia
7.
Int J Mol Sci ; 23(15)2022 Jul 26.
Artigo em Inglês | MEDLINE | ID: mdl-35897807

RESUMO

The current pandemic and the possible emergence of new viruses urgently require the rapid development of antiviral vaccines and therapeutics. However, some viruses or newly generated variants are difficult to culture in common cell types or exhibit low viral susceptibility in vivo, making it difficult to manufacture viral vector-based vaccines and understand host-virus interactions. To address these issues, we established new cell lines deficient in both type I and type II interferon responses, which are essential for host immunity and interference with virus replication. These cell lines were generated by developing an integrated CRISPR-Cas9 system that simultaneously expresses dual-guide RNA cassettes and Cas9 nuclease in a single plasmid. Using this highly efficient gene-editing system, we successfully established three cell lines starting from IFN-α/ß-deficient Vero cells, deleting the single interferon-gamma (IFNG) gene, the IFNG receptor 1 (IFNGR1) gene, or both genes. All cell lines clearly showed a decrease in IFN-γ-responsive antiviral gene expression and cytokine production. Moreover, production of IFN-γ-induced cytokines remained low, even after HSV-1 or HCoV-OC43 infection, while expression of the receptor responsible for viral entry increased. Ultimately, knockout of IFN-signaling genes in these cell lines promoted cytopathic effects and increased apoptosis after viral infection up to three-fold. These results indicate that our integrated CRISPR-Cas9-mediated IFNG- and IFNGR1-knockout cell lines promote virus replication and will be useful in viral studies used to design novel vaccines and therapies.


Assuntos
Sistemas CRISPR-Cas , Interferon gama , Animais , Antivirais/farmacologia , Linhagem Celular , Chlorocebus aethiops , Interferon beta/farmacologia , Interferon gama/genética , Interferon gama/farmacologia , Receptores de Interferon , Células Vero , Replicação Viral/genética , Receptor de Interferon gama
8.
Kardiol Pol ; 79(11): 1245-1250, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34599497

RESUMO

BACKGROUND: Fetal heart rate (FHR) is commonly used to assess fetal well-being. AIMS: The aim was to establish normal ranges of FHR during pregnancy by umbilical artery (UMB-A) Doppler analysis in a healthy Polish population. METHODS: The study was conducted in a tertiary center for fetal cardiology. Data on gestational age (GA), FHR measured on UMB-A, cardiac problems, and extracardiac problems were collected. All fetuses underwent echocardiographic examination. The inclusion criteria comprised normal fetal biometry and biophysical profile, labels of "normal heart anatomy and normal heart function", "no extracardiac malformations", and no "extracardiac anomalies". RESULTS: Based on the data from 258 healthy fetuses, a scatter graph with regression line giving a prognosis of normal values for FHR during pregnancy was prepared (95% confidence interval). The regression equation for FHR, as function of GA in weeks, was found to be: FHR (beats/minute) = 149 - GA according to biometry (weeks) × 0.22; (r = -0.1032; P = 0.098); FHR (beats/minute) = 148 - GA according to the last menstrual period (weeks) × 0.16; (r = -0.0722; P = 0.253). The 5th, 50th, 95th percentiles, mean and standard deviation of FHR between weeks 18 and 29 of gestation were calculated. CONCLUSIONS: We present the normal ranges for FHR measured on UMB-A for weeks 18 to 29 of gestation in healthy fetuses with normal heart function and anatomy. The obtained values may be of value to departments of obstetrics and should be considered important elements of the basic fetal ultrasound report.


Assuntos
Feto , Frequência Cardíaca Fetal , Feminino , Humanos , Polônia , Gravidez , Valores de Referência , Ultrassonografia
9.
Medicina (Kaunas) ; 57(7)2021 Jul 16.
Artigo em Inglês | MEDLINE | ID: mdl-34356998

RESUMO

Background and Objectives: Uterine fibroids develop in 25-40% of women of childbearing age; however, there are discrepancies resulting from population and socioeconomic differences. The pathogenesis of fibroids is not clear. The aim of the study was to assess the potential connection between the use of oral contraceptives and the occurrence of uterine fibroids in women of childbearing age. Materials and Methods: In this prospective, survey, case-control study, data were collected from Caucasian female patients (mean age = 30) using a questionnaire concerning the onset, duration and form of hormonal contraception, and medical and obstetrical history. The questionnaires were handed personally to hospitalized patients as well as distributed through Google forms on social media. Results: In a study group (n = 140) of patients using hormonal contraception, 37.8% of them were diagnosed with uterine fibroids, whereas among the patients not using hormonal contraception (n = 206), uterine fibroids were diagnosed in 59.6% of the patients. The most common hormonal contraception was two-component hormonal tablets used by 93.3% of the patients. Taking contraceptives was a uterine fibroids protective factor (OR = 0.4, p = 0.007). In the study group, 5.5% of the patients were pregnant and 60.42% were diagnosed with uterine fibroids (OR = 4.4, p < 0.000001). Conclusion: Contraception was found to be a protective factor for uterine fibroids among the women surveyed. The presented data confirm the theory about the hormonal dependence of uterine fibroids.


Assuntos
Leiomioma , Adulto , Estudos de Casos e Controles , Anticoncepção , Anticoncepcionais Orais/efeitos adversos , Feminino , Humanos , Leiomioma/induzido quimicamente , Leiomioma/epidemiologia , Gravidez , Estudos Prospectivos
10.
NPJ Vaccines ; 6(1): 37, 2021 Mar 19.
Artigo em Inglês | MEDLINE | ID: mdl-33741992

RESUMO

Here we report a recombinant baculoviral vector-based DNA vaccine system against Middle East respiratory syndrome coronavirus (MERS-CoV) and the severe acute respiratory syndrome coronavirus-2 (SARS-CoV2). A non-replicating recombinant baculovirus expressing the human endogenous retrovirus envelope gene (AcHERV) was constructed as a DNA vaccine vector for gene delivery into human cells. For MERS-CoV vaccine construction, DNA encoding MERS-CoV S-full, S1 subunit, or receptor-binding domain (RBD) was inserted into the genome of AcHERV. For COVID19 vaccine construction, DNA encoding SARS-CoV2 S-full or S1 or a MERS-CoV NTD domain-fused SARS-CoV2 RBD was inserted into the genome of AcHERV. AcHERV-DNA vaccines induce high humoral and cell-mediated immunity in animal models. In challenge tests, twice immunized AcHERV-MERS-S1 and AcHERV-COVID19-S showed complete protection against MERS-CoV and SARS-CoV2, respectively. Unlike AcHERV-MERS vaccines, AcHERV-COVID19-S provided the greatest protection against SARS-CoV2 challenge. These results support the feasibility of AcHERV-MERS or AcHERV-COVID19 vaccines in preventing pandemic spreads of viral infections.

11.
J Microbiol Biotechnol ; 31(1): 137-143, 2021 Jan 28.
Artigo em Inglês | MEDLINE | ID: mdl-33203819

RESUMO

Most cervical cancers are associated with high-risk human papillomavirus (HPV) infection. Currently, cervical cancer treatment entails surgical removal of the lesion, but treatment of infection and preventing tissue damage are issues that still remain to be addressed. Herbal medicine and biological studies have focused on developing antiviral drugs from natural sources. In this study, we analyzed the potential antiviral effects of Pinus densiflora Sieb. et Zucc. leaf extracts against HPV. The pine needle extracts from each organic solvent were analyzed for antiviral activity. The methylene chloride fraction (PN-MC) showed the highest activity against HPV pseudovirus (PV). The PN-MC extract was more effective before, rather than after treatment, and therefore represents a prophylactic intervention. Mice were pre-treated with PN-MC via genital application or oral administration, followed by a genital or subcutaneous challenge with HPV PV, respectively. The HPV challenge results showed that mice treated via genital application exhibited complete protection against HPV. In conclusion, PN-MC represents a potential topical virucide for HPV infection.


Assuntos
Infecções por Papillomavirus/tratamento farmacológico , Infecções por Papillomavirus/prevenção & controle , Pinus/química , Extratos Vegetais/farmacologia , Extratos Vegetais/uso terapêutico , Administração Oral , Animais , Antivirais/farmacologia , Modelos Animais de Doenças , Feminino , Células HEK293 , Medicina Herbária , Humanos , Camundongos , Camundongos Endogâmicos BALB C , Neoplasias do Colo do Útero/tratamento farmacológico
12.
J Zhejiang Univ Sci B ; 16(9): 788-95, 2015 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-26365121

RESUMO

OBJECTIVE: Diabetes, including type 1 and type 2, is associated with the hypercoagulable state. The aim of this study is to evaluate the concentration of selected hemostatic parameters and vascular endothelial growth factor-A (VEGF-A) in diabetic subjects. METHODS: The study was conducted in 62 patients with diabetes. Group I consisted of 27 patients having uncontrolled diabetes with microalbuminuria and Group II included 35 well-controlled diabetic patients. The control group was made up of 25 healthy volunteers. In the citrate plasma, the concentrations of tissue factor (TF), tissue factor pathway inhibitor (TFPI), thrombin-antithrombin (TAT) complexes, and D-dimer were assayed. Serum concentrations of VEGF-A, lipid profile, creatinine, and plasma fasting glucose were measured and in the versene plasma the concentration of HbA1c was determined. RESULTS: In the patients with uncontrolled diabetes, higher concentrations of TF, TFPI, and VEGF-A were observed, as compared with the well-controlled diabetics group and the control group. A significantly lower activity of antiplasmin was reported in patients from Group I as compared with the control group. In Group I, using the multivariate regression analysis, the glomerular filtration rate was independently associated with VEGF-A and dependently associated with total cholesterol. CONCLUSIONS: The study showed higher concentrations of TF and TFPI in the patients with uncontrolled diabetes with microalbuminuria, which is associated with rapid neutralization of the thrombin formation, since TFPI inhibits the complex of TF/VIIa/Ca(2+). The manifestation of the above suggestions is the correct TAT complexes and D-dimer, which indicates a low grade of prothrombotic risk in this group of patients, but a higher risk of vascular complications.


Assuntos
Proteínas Angiogênicas/sangue , Fatores de Coagulação Sanguínea/análise , Diabetes Mellitus Tipo 2/sangue , Diabetes Mellitus Tipo 2/complicações , Trombofilia/sangue , Trombofilia/etiologia , Idoso , Biomarcadores/sangue , Comorbidade , Diabetes Mellitus Tipo 2/diagnóstico , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Reprodutibilidade dos Testes , Medição de Risco/métodos , Sensibilidade e Especificidade , Trombofilia/diagnóstico
SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA
...