Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 3 de 3
Filtrar
Mais filtros











Base de dados
Intervalo de ano de publicação
1.
Int J Mol Sci ; 25(17)2024 Sep 09.
Artigo em Inglês | MEDLINE | ID: mdl-39273699

RESUMO

Inflammatory Bowel Diseases (IBD), which encompass ulcerative colitis (UC) and Crohn's disease (CD), are characterized by chronic inflammation and tissue damage of the gastrointestinal tract. This study aimed to uncover novel disease-gene signatures, dysregulated pathways, and the immune cell infiltration landscape of inflamed tissues. Eight publicly available transcriptomic datasets, including inflamed and non-inflamed tissues from CD and UC patients were analyzed. Common differentially expressed genes (DEGs) were identified through meta-analysis, revealing 180 DEGs. DEGs were implicated in leukocyte transendothelial migration, PI3K-Akt, chemokine, NOD-like receptors, TNF signaling pathways, and pathways in cancer. Protein-protein interaction network and cluster analysis identified 14 central IBD players, which were validated using eight external datasets. Disease module construction using the NeDRex platform identified nine out of 14 disease-associated genes (CYBB, RAC2, GNAI2, ITGA4, CYBA, NCF4, CPT1A, NCF2, and PCK1). Immune infiltration profile assessment revealed a significantly higher degree of infiltration of neutrophils, activated dendritic cells, plasma cells, mast cells (resting/activated), B cells (memory/naïve), regulatory T cells, and M0 and M1 macrophages in inflamed IBD tissue. Collectively, this study identified the immune infiltration profile and nine disease-associated genes as potential modulators of IBD pathogenesis, offering insights into disease molecular mechanisms, and highlighting potential disease modulators and immune cell dynamics.


Assuntos
Biologia Computacional , Mapas de Interação de Proteínas , Humanos , Biologia Computacional/métodos , Mapas de Interação de Proteínas/genética , Doenças Inflamatórias Intestinais/genética , Doenças Inflamatórias Intestinais/imunologia , Doenças Inflamatórias Intestinais/patologia , Transcriptoma , Colite Ulcerativa/genética , Colite Ulcerativa/imunologia , Colite Ulcerativa/patologia , Perfilação da Expressão Gênica , Doença de Crohn/genética , Doença de Crohn/imunologia , Doença de Crohn/patologia , Macrófagos/imunologia , Macrófagos/metabolismo , Mastócitos/imunologia , Mastócitos/metabolismo , Redes Reguladoras de Genes , Neutrófilos/imunologia , Neutrófilos/metabolismo , Transdução de Sinais/genética , Células Dendríticas/imunologia , Células Dendríticas/metabolismo , NADPH Oxidases
2.
Arch Gynecol Obstet ; 303(1): 3-16, 2021 01.
Artigo em Inglês | MEDLINE | ID: mdl-32979078

RESUMO

BACKGROUND: Assisted reproductive technologies (ART) such as in vitro fertilisation (IVF) and intra-cytoplasmic sperm injection (ICSI) are often used to aid fertility in women with endometrioma; however, the implications of endometrioma on ART are unresolved. OBJECTIVE: To determine the effect of endometrioma on reproductive outcomes in women undergoing IVF or ICSI. METHODS: A systematic review and meta-analysis was conducted to identify articles examining women who had endometrioma and had undergone IVF or ICSI. Electronic searches were performed in PubMed, BIOSIS and MEDLINE up to September 2019. The primary outcome was live birth rate (LBR). Secondary outcomes included clinical pregnancy rate (CPR), implantation rate (IR), number of oocytes retrieved, number of metaphase II (MII) oocytes retrieved, number of embryos and top-quality embryos and the duration of gonadotrophin stimulation and dose. RESULTS: Eight studies were included. Where significant heterogeneity between studies was identified, a random-effects model was used. The number of oocytes (weighted means difference; WMD-2.25; 95% CI 3.43 to - 1.06, p = 0.0002) and the number of MII oocytes retrieved (WMD-4.64; 95% CI 5.65 to - 3.63, p < 0.00001) were significantly lower in women with endometrioma versus controls. All other outcomes, including gonadotrophin dose and duration, the total number of embryos, high-quality embryos, CPR, IR and LBR were similar in women with and without endometrioma. CONCLUSION: Even though women with endometriomas had a reduced number of oocytes and MII oocytes retrieved when compared to women without, no other differences in reproductive outcomes were identified. This implies that IVF/ICSI is a beneficial ART approach for women with endometrioma.


Assuntos
Endometriose/patologia , Fertilização in vitro/métodos , Gonadotropinas/administração & dosagem , Injeções de Esperma Intracitoplásmicas/métodos , Coeficiente de Natalidade , Implantação do Embrião , Endometriose/complicações , Feminino , Humanos , Oócitos , Gravidez , Taxa de Gravidez , Resultado do Tratamento
3.
Reprod Biol Endocrinol ; 18(1): 28, 2020 Apr 14.
Artigo em Inglês | MEDLINE | ID: mdl-32290838

RESUMO

BACKGROUND: Chronic cyclic pelvic pain (CCPP) affects women's quality of life and pituitary downregulation is often used for symptomatic relief. However, prolonged suppression of ovarian function is associated with menopausal side effects and can lead to osteoporosis. Currently, the use of gonadotropin releasing hormone agonists (GnRHa) for treatment of CCPP is usually restricted to 6-9 months, limiting their efficacy. There is limited information regarding safety and efficacy with longer-term use. The aim of this study is to examine the safety and efficacy of long-term (24 months) pituitary down-regulation with the GnRHa (Triptorelin SR) with add-back therapy (ABT) using Tibolone for symptom relief in women with CCPP. METHODS: A single-arm, prospective clinical trial at a Tertiary University Teaching Hospital of 27 patients receiving Triptorelin SR (11.25 mg) and Tibolone (2.5 mg). Outcomes measures were the safety of treatment assessed by clinical examination, haematological markers, liver and renal function tests and bone mineral density (BMD) at 12, 18 and 24 months as well as at 6 months post-treatment. Pain and health-related quality of life (HR-QoL) assessed using the endometriosis health profile (EHP-30) and chronic pain grade (CPG) questionnaires. RESULTS: There was no evidence for any significant harmful effects on any of the measured haematological, renal or liver function tests. Although results regarding the effect on BMD are not conclusive there is an increased risk of development of osteopaenia after 12 months of treatment. Pain and HRQoL assessments showed significant improvement during medication, but with deterioration after treatment cessation. CONCLUSION: Long- term Triptorelin plus Tibolone add-back therapy in women suffering from CCPP does not appear to be associated with significant serious adverse events apart from the possibility of deterioration in the BMD that needs to be monitored. This mode of therapy appears to be effective in pain relief and in improving quality of life over a 24-month period. TRIAL REGISTRATION: Clinical trials database NCT00735852.


Assuntos
Dor Crônica/tratamento farmacológico , Norpregnenos/uso terapêutico , Dor Pélvica/tratamento farmacológico , Pamoato de Triptorrelina/uso terapêutico , Adulto , Densidade Óssea , Quimioterapia Combinada , Feminino , Seguimentos , Humanos , Medição da Dor/métodos , Estudos Prospectivos , Qualidade de Vida , Fatores de Tempo , Resultado do Tratamento
SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA