RESUMO
BACKGROUND: Chronic pelvic pain is a common disease that affects approximately 4% of women of reproductive age in developed countries. This number is estimated to be higher in developing countries, with a significant negative personal and socioeconomic impact on women. The lack of data on this condition in several countries, particularly those in development and in socially and biologically vulnerable populations such as the indigenous, makes it difficult to guide public policies. OBJECTIVES: To evaluate the prevalence of chronic pelvic pain (dysmenorrhea, dyspareunia, non-cyclical pain) and identify which variables are independently associated with the presence of the condition in indigenous women from Otavalo-Ecuador. DESIGN: A cross-sectional study was carried out including a sample of 2429 women of reproductive age between 14 and 49 years old, obtained from April 2022 to March 2023. A directed questionnaire was used, collected by bilingual interviewers (Kichwa and Spanish) belonging to the community itself; the number of patients was selected by random sampling proportional to the number of women estimated by sample calculation. Data are presented as case prevalence, odds ratio, and 95% confidence interval, with p < 0.05. RESULTS: The prevalence of primary dysmenorrhea, non-cyclic pelvic pain, and dyspareunia was, respectively, 26.6%, 8.9%, and 3.9%.all forms of chronic pain were independently associated with each other. Additionally, dysmenorrhoea was independently associated with hypertension, intestinal symptoms, miscegenation, long cycles, previous pregnancy, use of contraceptives and pear body shape. Pain in other sites, late menarche, exercise, and pear body shape were associated with non-cyclic pelvic pain. And, urinary symptoms, previous pregnancy loss, miscegenation, and pear body shape were associated with dyspareunia. CONCLUSION: The prevalence of primary dysmenorrhea and non-cyclical chronic pelvic pain was notably high, in contrast with the frequency of reported dyspareunia. Briefly, our results suggest an association between dysmenorrhoea and conditions related to inflammatory and/or systemic metabolic disorders, including a potential causal relationship with other manifestations of pelvic pain, and between non-cyclical pelvic pain and signs/symptoms suggesting central sensitization. The report of dyspareunia may be influenced by local cultural values and beliefs.
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Dor Crônica , Dismenorreia , Dor Pélvica , Humanos , Feminino , Adulto , Dor Pélvica/epidemiologia , Estudos Transversais , Prevalência , Adulto Jovem , Dor Crônica/epidemiologia , Pessoa de Meia-Idade , Equador/epidemiologia , Adolescente , Dismenorreia/epidemiologia , Dispareunia/epidemiologia , Povos Indígenas/estatística & dados numéricos , Inquéritos e QuestionáriosRESUMO
OBJECTIVES: The COVID-19 pandemic has had a significant global impact since its declaration in March 2020. The COVID-19 pandemic has disproportionately impacted cancer patients, particularly those with breast cancer. This study aims to analyze the effects of the pandemic on women diagnosed with breast cancer recurrence. METHODS: A cohort study was conducted at a tertiary public hospital in São Paulo State, Brazil. Data were collected from electronic records. Patients diagnosed with breast cancer and experiencing recurrence between January 2011 and March 2022 were included. Survival analysis was performed using the Kaplan-Meier estimator and Cox regression. RESULTS: The study included 187 patients, 45 in the pandemic group (recurrence after March 23, 2020) and 142 in the pre-pandemic group. Distant recurrences were more frequent in both groups (pre-pandemic: 62.7 %, pandemic: 75.5 %). Compared to the pre-pandemic group (1.8 years), the pandemic group experienced a longer mean time to recurrence detection (2.9 years) and significantly decreased median survival (9 months vs. 22 months). The Cox regression analysis confirmed an increased risk of death for women diagnosed with breast cancer recurrence during the pandemic period (HR = 1.92, 95 % CI 1.19â3.12). CONCLUSION: The present study is among the first to investigate the pandemic's specific effects on breast cancer recurrence, revealing concerning delays in detection and a decrease in survival rates. Prompt diagnosis, timely treatment initiation, and comprehensive support are crucial during public health crises. These findings urge healthcare systems to prioritize tailored care for breast cancer patients during pandemics.
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Neoplasias da Mama , COVID-19 , Humanos , Feminino , Neoplasias da Mama/diagnóstico , Pandemias , Estudos de Coortes , Diagnóstico Tardio , Brasil/epidemiologia , Teste para COVID-19RESUMO
BACKGROUND: The epithelial-mesenchymal transition (EMT) promotes cell signaling and morphology alterations, contributing to cancer progression. Exosomes, extracellular vesicles containing proteins involved in cell-cell communication, have emerged as a potential source of biomarkers for several diseases. METHODS: Our aim was to assess the proteome content of exosomes secreted after EMT-induction to identify potential biomarkers for ovarian cancer classification. EMT was induced in the ovarian cancer cell line CAOV3 by treating it with EGF (10 ng/mL) for 96 h following 24 h of serum deprivation. Subsequently, exosomes were isolated from the supernatant using selective centrifugation after decellularization, and their characteristics were determined. The proteins present in the exosomes were extracted, identified, and quantified using Label-Free-Quantification (LFQ) via Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS). To identify potential biomarkers, the obtained proteomic data was integrated with the TGGA database for mRNA expression using principal component analysis and a conditional inference tree. RESULTS: The exosomes derived from CAOV3 cells exhibited similar diameter and morphology, measuring approximately 150 nm, regardless of whether they were subjected to EMT stimulation or not. The proteomic analysis of proteins from CAOV3-derived exosomes revealed significant differential regulation of 157 proteins, with 100 showing upregulation and 57 downregulation upon EMT induction. Further comparison of the upregulated proteins with the TCGA transcriptomic data identified PLAU, LAMB1, COL6A1, and TGFB1 as potential biomarkers of the mesenchymal HGSOC subtype. CONCLUSIONS: The induction of EMT, the isolation of exosomes, and the subsequent proteomic analysis highlight potential biomarkers for an aggressive ovarian cancer subtype. Further investigation into the role of these proteins is warranted to enhance our understanding of ovarian cancer outcomes.
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Exossomos , Neoplasias Ovarianas , Feminino , Humanos , Exossomos/metabolismo , Transição Epitelial-Mesenquimal/genética , Proteômica , Cromatografia Líquida , Espectrometria de Massas em Tandem , Biomarcadores/metabolismo , Neoplasias Ovarianas/metabolismo , Linhagem Celular TumoralRESUMO
We aim to investigate the expression of genes (MAPK1 and CAPN2) and microRNAs (miR-30a-5p, miR-7-5p, miR-143-3p, and miR-93-5p) involved in adhesion and apoptosis pathways in superficial peritoneal endometriosis (SE), deep infiltrating endometriosis (DE), and ovarian endometrioma (OE), and to evaluate whether these lesions share the same pathophysiological mechanisms. We used samples of SE (n = 10), DE (n = 10), and OE (n = 10), and endometrial biopsies of these respective patients affected with endometriosis under treatment at a tertiary University Hospital. Endometrial biopsies collected in the tubal ligation procedure from women without endometriosis comprised the control group (n = 10). Quantitative real-time polymerase chain reaction was performed. The expression of MAPK1 (p < 0.0001), miR-93-5p (p = 0.0168), and miR-7-5p (p = 0.0006) was significantly lower in the SE group than in the DE and OE groups. The expression of miR-30a (p = 0.0018) and miR-93 (p = 0.0052) was significantly upregulated in the eutopic endometrium of women with endometriosis compared to the controls. MiR-143 (p = 0.0225) expression also showed a statistical difference between the eutopic endometrium of women with endometriosis and the control group. In summary, SE showed lower pro-survival gene expression and miRNAs involved in this pathway, indicating that this phenotype has a different pathophysiological mechanism compared to DE and OE.
Assuntos
Endometriose , Infertilidade Feminina , MicroRNAs , Humanos , Feminino , MicroRNAs/genética , Endometriose/patologia , Infertilidade Feminina/metabolismo , Endométrio/metabolismo , Fenótipo , ApoptoseRESUMO
Breast cancer is the most prevalent malignant neoplasm among women. Its treatment comprises different strategies. Telehealth can ensure continuity of care in distant locations. This study aimed to synthesize qualitative evidence of women's experiences with telehealth during the treatment and follow-up of breast cancer. We performed a qualitative systematic review and meta-synthesis. The databases included in the search were: Pubmed, EMBASE, CINAHAL, and Web of Science. The search combined the terms: breast cancer, telemedicine, telehealth, and qualitative study. The studies included were: qualitative design and mixed methods studies with qualitative components. The COREQ Checklist assisted in assessing the quality of included studies and an adaptation of thematic analysis for the qualitative meta-synthesis. We included twelve articles in the review. In the meta-synthesis, 3 themes emerged. (1) Structure: simple design and space to obtain information but in need of adjustments. (2) Usability: about the benefits and limitations of telehealth. (3) Interaction with health professionals. Telehealth is an accepted strategy for the clinical care of women with breast cancer. Patients identified the need for improvements in structure, usability, and interaction. PROTOCOL REGISTRATION: PROSPERO registration number CRD42021228326, registered 06/02/2021.
Assuntos
Neoplasias da Mama , Telemedicina , Feminino , Humanos , Neoplasias da Mama/terapia , Pessoal de Saúde , Pesquisa Qualitativa , Telemedicina/métodosRESUMO
BACKGROUND: Advanced stage and high mortality are characteristics of cervical cancer in developing countries. Comprehension of the diagnosis itinerary is one of the main strategies to control the disease impact. OBJECTIVES: To identify reasons for the delay in diagnosing symptomatic cervical cancer according to the patient's perspectives reported in qualitative studies. We searched four databases (PubMed, Embase, CINAHL, and Web of Science). SELECTION CRITERIA: We included qualitative studies of women with advanced cervical cancer that explored their experiences before treatment. We excluded unoriginal, non-qualitative, and duplicated studies. DATA COLLECTION AND ANALYSIS: We selected 39 articles for a full-text reading and included 15 in the present review. We chose the Consolidated Criteria for Reporting Qualitative Research (COREQ) for quality assessment and The Model of Pathways to Treatment to guide the codifying process. MAIN RESULTS: Four main themes emerged from the synthesis: (1) Health-seeking motivators; (2) Obstacles to seeking medical care; (3) Diagnosis delay; and (4) Coping with the disease. These themes were derived from patients' personal knowledge and beliefs, social relationships, socioeconomic status, and healthcare system characteristics. CONCLUSIONS: Individual behavior, social factors, and healthcare organization contribute to the delay in diagnosing advanced cervical cancer.
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Adaptação Psicológica , Diagnóstico Tardio , Acessibilidade aos Serviços de Saúde , Aceitação pelo Paciente de Cuidados de Saúde , Pesquisa Qualitativa , Neoplasias do Colo do Útero , Feminino , Humanos , Relações Interpessoais , Neoplasias do Colo do Útero/diagnóstico , Neoplasias do Colo do Útero/mortalidade , Neoplasias do Colo do Útero/psicologia , Neoplasias do Colo do Útero/terapia , Classe Social , Atenção à Saúde , Conhecimentos, Atitudes e Prática em SaúdeRESUMO
BACKGROUND: Chronic pelvic pain (CPP) and primary dysmenorrhoea are debilitating conditions that can impair the quality of life of affected women. These conditions are frequently neglected, delaying proper diagnosis and healthcare provision. This study aimed to estimate the prevalence of CPP and primary dysmenorrhoea in Ecuador and identify potential variables associated with their occurrence. METHODS: We conducted a cross-sectional survey in an urban neighbourhood of Quito, the capital of Ecuador. A total of 2397 participants of 14-49 years of age were included. The data were collected through questionnaires administered by trained interviewers.The crude and adjusted prevalence ratios were calculated using a log-binomial regression model. The correlation between pain intensity catastrophising of symptoms were statistically analysed. RESULTS: The prevalence of CPP and primary dysmenorrhoea was 9.8% and 8.9%, respectively. Irritative urinary symptoms, primary dysmenorrhoea, and underlying mental disorders were associated with CPP, while smoking, irritable bowel syndrome, sleep disturbance, dyspareunia, and mental disorders were associated with primary dysmenorrhoea. CONCLUSIONS: The prevalence of CPP and primary dysmenorrhoea in Ecuador was similar to that in other Latin American countries. Primary dysmenorrhoea is a risk factor of CPP, and less than a quarter of women are undergoing treatment for the condition. Our findings reinforce the importance of healthcare interventions in anticipating the diagnosis of these conditions in women of reproductive age.
Assuntos
Dor Crônica , Dismenorreia , Dor Crônica/complicações , Dor Crônica/epidemiologia , Estudos Transversais , Dismenorreia/complicações , Dismenorreia/epidemiologia , Equador/epidemiologia , Feminino , Humanos , Dor Pélvica/etiologia , Prevalência , Qualidade de VidaRESUMO
BACKGROUND AND OBJECTIVES: The coronavirus disease 2019 (COVID-19) pandemic disrupted healthcare access and medical treatment, including oncological care. Treatment delay in ovarian cancer could impact survival. We aimed to assess if there were delays and treatment changes in a cohort of epithelial ovarian cancer patients. METHODS: A retrospective cohort of epithelial ovarian cancer patients included cases diagnosed during the first 22 months of the COVID-19 pandemic in the state of Sao Paulo and those diagnosed in the 22 months preceding the outbreak. Time-to-treat was measured in days. In each group, surgery and chemotherapy proportions were assessed according to healthcare insurance status. RESULTS: A 56.2% reduction in epithelial ovarian cancer diagnosis was identified during the pandemic group compared to the prepandemic group; fewer patients were diagnosed in stage I (p < 0.01). Time-to-treat increased from 18.9 to 23 days (p < 0.01). Surgery in the public sector fell from 74.6% to 65.3% during the pandemic, compared to 87.1% to 68.8% in the private sector. CONCLUSION: There were fewer overall diagnoses, reduced stage I diagnosis, increased time-to-treat, and a reduction in the proportion of patients submitted to surgery. Brazil's public healthcare system demonstrated a higher resiliency to treatment change than the private sector.
Assuntos
COVID-19 , Neoplasias Ovarianas , Humanos , Feminino , Pandemias , COVID-19/epidemiologia , Carcinoma Epitelial do Ovário/terapia , Estudos Retrospectivos , Tempo para o Tratamento , Brasil/epidemiologia , Neoplasias Ovarianas/terapia , Neoplasias Ovarianas/tratamento farmacológico , Estudos de CoortesRESUMO
PURPOSE: Axillary surgery is still essential in the management of early breast cancer. Conservative procedures like sentinel lymph node biopsy (SLNB) are less invasive than the traditional axillary node dissection (ALND). However, some extent of ipsilateral upper limb dysfunction might still occur. This systematic review aimed to describe the incidence of lymphedema, pain, sensory, and motor disorders after SLNB in women with early breast cancer. METHODS: We conducted a systematic review of randomized controlled trials. The search was performed on Pubmed, EMBASE, CINAHAL, and Web of Science. The search was based on the following concepts: breast cancer, sentinel lymph node biopsy, axillary dissection, upper limb complications. The risk of bias was evaluated using the Cochrane Rob 2.0 toll. RESULTS: We obtained 979 unique registries from the primary search and 381 additional records from the included articles' reference lists. Fifty-one articles were assessed as full text. Nine studies were included in the review. A total of 5161 patients undergone SLNB, and 4110 patients were assessed for ipsilateral arm complications. Six months after the surgery, 0-11% of patients presented lymphedema, 11-16% pain, 2-22% sensory disorders, and 0-9% motor disorders. CONCLUSIONS: SLNB was associated with persistent postoperative complications. The burden of complications, although lower when compared to ALND, should not be ignored. PROTOCOL REGISTRATION: PROSPERO registration number CRD42018090540, registered July 09, 2018.
Assuntos
Neoplasias da Mama/patologia , Complicações Pós-Operatórias/etiologia , Complicações Pós-Operatórias/fisiopatologia , Biópsia de Linfonodo Sentinela , Extremidade Superior/fisiopatologia , Ensaios Clínicos como Assunto , Feminino , Humanos , Linfedema/etiologia , Medição da Dor , Transtornos de Sensação/etiologiaRESUMO
OBJECTIVE: How a woman copes with the pain might play a significant role in the management of chronic pelvic pain. This study aimed to understand the attitudes adopted by women with chronic pelvic pain (CPP) to deal with daily life problems caused by the illness. STUDY DESIGN: We conducted a qualitative study including 58 women diagnosed with chronic pelvic pain regardless of the cause. To collect the data, we used semi-structured interviews with the key question: "How do you handle the pain in your daily life?". The interviews were audio-recorded and transcribed. We conducted a qualitative thematic analysis of transcribed texts following the sequence: 1) initial reading; 2) preliminary identification of codes; 3) identification of themes; 4) review of themes; 5) nominating the themes in categories; 6) final study synthesis. The analysis was performed with the aid of the RQDA package in the R environment. RESULTS: Daily life attitudes varied from submission to the pain to positive coping. We identified five major categories: 1) shaping life by pain; 2) isolating from social contact; 3) avoiding sexual relationship; 4) seeking pain relief; 5) seeking positive strategies. Positive strategies were more frequent in older women. CONCLUSION: Women with chronic pelvic pain adopted a broad spectrum of attitudes to deal with the pain in daily life. The depth understanding of patient perspectives has the potential to improve the multidisciplinary care of this debilitating condition.
Assuntos
Dor Crônica , Dor Pélvica , Adaptação Psicológica , Idoso , Atitude , Feminino , Humanos , Pesquisa QualitativaRESUMO
BACKGROUND AND OBJECTIVES: The management of ovarian cancer requires complex surgical and medical interventions. Specialized care is associated with superior outcomes in early and advanced stages. This study aimed to estimate the effect of hospital characteristics on the overall survival of women with epithelial ovarian cancer. METHODS: We established a cohort with data recorded by the Fundação Oncocentro de São Paulo cancer registry. We included 6111 women treated for ovarian cancer in the state of Sao Paulo from January 2000 to December 2018. From 76 hospitals analyzed, 7 were high volume (20 or more cases a year) and 69 low volume. Twenty-nine were teaching and 47 community hospitals. A 10-year survival was analyzed using the Kaplan-Meyer estimator and the Cox model. RESULTS: Fifty-two percent of the epithelial ovarian cancer patients were treated in high-volume hospitals. High-volume - (HR, 0.86; 95% CI, 0.8-0.92; P < .001) and teaching - (HR, 0.91; 95% CI, 0.85-0.99; P = .019) were hospital characteristics associated with low risk of death in 10 years. CONCLUSIONS: High-volume and teaching hospitals are associated with better overall survival in ovarian cancer. Our data suggest that both hospital characteristics are important indicators of good quality of care in ovarian cancer treatment.
Assuntos
Hospitais com Alto Volume de Atendimentos/estatística & dados numéricos , Hospitais de Ensino/estatística & dados numéricos , Neoplasias Ovarianas/mortalidade , Adenocarcinoma de Células Claras/mortalidade , Adenocarcinoma de Células Claras/patologia , Adenocarcinoma de Células Claras/cirurgia , Adenocarcinoma Mucinoso/mortalidade , Adenocarcinoma Mucinoso/patologia , Adenocarcinoma Mucinoso/cirurgia , Cistadenocarcinoma Seroso/mortalidade , Cistadenocarcinoma Seroso/patologia , Cistadenocarcinoma Seroso/cirurgia , Neoplasias do Endométrio/mortalidade , Neoplasias do Endométrio/patologia , Neoplasias do Endométrio/cirurgia , Feminino , Seguimentos , Humanos , Pessoa de Meia-Idade , Neoplasias Ovarianas/patologia , Neoplasias Ovarianas/cirurgia , Prognóstico , Estudos Retrospectivos , Taxa de SobrevidaRESUMO
Endometriosis is responsible for pain symptoms with great impact on the patient's quality of life. Several medication lines have been studied aiming at its definitive treatment. Among them, angiogenesis inhibitor factors may be effective given that angiogenesis has fundamental role in the establishment and growth of endometriotic lesions. In this study, we investigated the influence of bevacizumab, anti-factor drug of endothelial growth (anti-VEGF), used at two different dosages, in experimental endometriosis induced in rats. After the induction of endometriosis lesions in rats, they were divided in 3 groups: control group, no treatment, and two other groups were treated with different dosages of the same medication for 4 weeks. At the end of the treatment, endometriotic lesions were removed and evaluated regarding area of lesions, presence of endometrial tissue in microscopy, positivity for anti-VEGF antibody in immunohistochemistry, and gene expression of Pcna, Mmp9, Tp63, and Vegfa. Bevacizumab acted by reducing the area of lesions in the groups that received medication (p = 0.002) and reducing gene expression to Tp63 in lesions (p = 0.04). There was no significant result in other evaluations. We observed that there was significant reduction of the area of lesions among groups, suggesting that bevacizumab has a positive effect on disease control. The gene expression of Tp63 was significantly lower in the group that received high dose of the drug when compared with the other two groups; therefore, we concluded that bevacizumab acts by reducing cell proliferation and differentiation in lesions, constituting a real option for treating endometriosis.
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Apoptose/efeitos dos fármacos , Bevacizumab/farmacologia , Proliferação de Células/efeitos dos fármacos , Endometriose/tratamento farmacológico , Neovascularização Patológica/tratamento farmacológico , Animais , Bevacizumab/uso terapêutico , Modelos Animais de Doenças , Endometriose/patologia , Endométrio/efeitos dos fármacos , Endométrio/patologia , Feminino , Metaloproteinase 9 da Matriz/metabolismo , Neovascularização Patológica/patologia , Ratos , Ratos Wistar , Fator A de Crescimento do Endotélio Vascular/metabolismoRESUMO
BACKGROUND: Homologous recombination deficiencies are associated with increased platinum sensitivity and potential response to poly (ADP-ribose) polymerase inhibitors in epithelial ovarian cancer. As an alternative to germline testing or somatic tumor sequencing, BRCA1 deficiency can be detected by immunohistochemistry and might predict homologous recombination deficiencies. OBJECTIVE: This study aimed to assess the association between BRCA1 expression by immunohistochemistry and the prognosis of patients with epithelial ovarian cancer. METHODS: We conducted a systematic review and meta-analysis following the Preferred Reporting Items for Systematic reviews and Meta-Analyses statement. We searched PubMed, EMBASE, Web of Science, and Scopus databases through July 2019. Reference lists of selected articles were screened for further studies. We conducted qualitative synthesis and meta-analyses of hazard ratios for overall survival and progression-free survival. RESULTS: Of 41 studies of BRCA1 expression using immunohistochemistry, 18 evaluated the association of BRCA1 expression with patient survival (2738 cases). The loss of BRCA1 expression was associated with improved overall survival (hazard ratio = 0.67, 95% confidence interval 0.57-0.77) and progression-free survival (hazard ratio = 0.70, 95% confidence interval 0.58-0.84). CONCLUSIONS: Negative BRCA1 expression assessed by immunohistochemistry was associated with a better prognosis in epithelial ovarian cancer.
Assuntos
Proteína BRCA1/metabolismo , Imuno-Histoquímica/métodos , Neoplasias Ovarianas/tratamento farmacológico , Feminino , Humanos , Neoplasias Ovarianas/imunologia , Neoplasias Ovarianas/mortalidade , Prognóstico , Intervalo Livre de ProgressãoRESUMO
BACKGROUND: Loss of function in either breast cancer type 1 susceptibility protein (BRCA1) or breast cancer type 2 susceptibility protein (BRCA2) is a major risk factor for epithelial ovarian cancer (EOC) development. BRCA1 or BRCA2 deficiencies are associated with short-term prognosis and might have importance for the treatment of women with the disease. However, the screening of all possible mechanisms of dysfunction is expensive, time-consuming and difficult to apply in clinical practice. On the other hand, immunohistochemistry (IHC) is a simple and reliable method to access the expression of several proteins in tumour tissues. MATERIALS AND METHODS: This systematic review aims to evaluate the current usage of IHC to detect BRCA1 and BRCA2 deficiencies in EOC. We searched and evaluated all primary literature on the use of IHC for evaluating BRCA1 and BRCA2 proteins expression in EOC. The main concepts for the search were: ovarian neoplasms, IHC, BRCA1 and BRCA2. RESULTS: Forty-four studies from 925 unique titles were included. A total of 4206 tumour samples were evaluated for BRCA1 and 1041 for BRCA2 expression. Twelve BRCA1 primary antibodies were used in 41 studies, and the most common was the MS110 clone (75.6%). Seven BRCA2 primary antibodies were used in ten studies. Using the cut-off of 10%, 47.0% of EOCs are associated with loss of BRCA1 and 34.5% with the loss of BRCA2 expression. CONCLUSION: IHC was effective to detect loss of BRCA1 protein expression in EOC; however, data on BRCA2 expression were heterogeneous and difficult to interpret.
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Proteína BRCA1/metabolismo , Proteína BRCA2/metabolismo , Neoplasias Ovarianas/mortalidade , Anticorpos/metabolismo , Proteína BRCA1/imunologia , Proteína BRCA2/imunologia , Feminino , Humanos , Imuno-Histoquímica , Fatores de RiscoRESUMO
OBJECTIVE: To evaluate the influence of strength exercises on remote pain sensitivity in women with endometriosis-related symptoms. DESIGN: A quasi-experimental study. SETTING: University Hospital, a tertiary health unit. SUBJECTS: Twenty-one women with endometriosis-related symptoms and 21 healthy women provided written informed consent. METHODS: The participants performed weekly exercise sessions on an extensor chair for four consecutive weeks. An electronic algometer was used to measure the pressure pain thresholds on the nondominant forearm. Heart rate and blood pressure were measured using a digital device. All measurements were taken before, immediately after, and 10 and 20 minutes after the exercise series. RESULTS: Women with endometriosis-related symptoms had lower pain thresholds. Pressure pain thresholds increased immediately after exercise in healthy women, returning to baseline level 20 minutes after exercise. Women with endometriosis-related symptoms did not present significant pressure pain threshold alterations after exercise. However, they had a higher heart rate and systolic, diastolic, and average blood pressure than healthy women at all the timepoints. There were no consistent correlations between pressure pain thresholds and heart rate or blood pressure. CONCLUSIONS: The strength exercise regimen used in this study increased pain thresholds in healthy women but not in women with endometriosis-related painful symptoms. The maintenance or even worsening of pain perception after exercise in women with persistent pain, such as those with endometriosis, may limit their adherence to a physical training program, which in turn could prevent them from experiencing the long-term beneficial effects of exercise.
Assuntos
Endometriose , Limiar da Dor , Endometriose/complicações , Exercício Físico , Feminino , Humanos , Dor , Medição da DorRESUMO
OBJECTIVE: To analyze the effect of thalidomide on the progression of endometriotic lesions experimentally induced in rats and to characterize the pattern of cell proliferation by immunohistochemical Proliferating Cell Nuclear Antigen (PCNA) labeling of eutopic and ectopic endometrium. METHODS: Fifteen female Wistar rats underwent laparotomy for endometriosis induction by resection of one uterine horn, isolation of the endometrium and fixation of a tissue segment to the pelvic peritoneum. Four weeks after, the animals were divided into 3 groups: control (I), 10mg/kg/day (II) and 1mg/kg/day (III) intraperitoneal thalidomide for 10 days. The lesion was excised together with the opposite uterine horn for endometrial gland and stroma analysis. Eutopic and ectopic endometrial tissue was submitted to immunohistochemistry for analysis of cell proliferation by PCNA labeling and the cell proliferation index (CPI) was calculated as the number of labeled cells per 1,000 cells. RESULTS: Group I showed a mean CPI of 0.248 ± 0.0513 in the gland and of 0.178 ± 0.046 in the stroma. In contrast, Groups II and III showed a significantly lower CPI, that is, 0.088 ± 0.009 and 0.080 ± 0.021 for the gland (p < 0.001) and 0.0945 ± 0.0066 and 0.075 ± 0.018 for the stroma (p < 0.001), respectively. Also, the mean lesion area of Group I was 69.2 mm2, a significantly higher value compared with Group II (49.4 mm2, p = 0.023) and Group III (48.6 mm2, p = 0.006). No significant difference was observed between Groups II and III. CONCLUSION: Thalidomide proved to be effective in reducing the lesion area and CPI of the experimental endometriosis implants both at the dose of 1 mg/kg/day and at the dose of 10 mg/kg/day.
OBJETIVO: Analisar o efeito da talidomida na progressão de lesões endometrióticas induzidas experimentalmente em ratas e caracterizar o padrão de proliferação celular pela marcação imunohistoquímica de Antígeno Nuclear de Célula Proliferativa (PCNA) no endométrio eutópico e ectópico. MéTODOS: Quinze ratas Wistar foram submetidas a laparotomia para indução de endometriose por ressecção de um corno uterino, isolamento do endométrio e fixação de um segmento do tecido ao peritônio pélvico. Após quatro semanas, os animais foram divididos em 3 grupos: controle (I), 10 mg/kg/dia (II) e 1 mg/kg/dia (III) de talidomida intraperitoneal por um período de 10 dias. As lesões foram resseccionadas juntamente com o corno uterino oposto para análise da glândula endometrial e do estroma. O tecido endometrial eutópico e ectópico foi submetido à imunohistoquímica para análise da proliferação celular por marcação com PCNA e o índice de proliferação celular (CPI) foi calculado como o número de células marcadas por 1.000 células. RESULTADOS: O grupo I apresentou média de CPI de 0,248 ± 0,0513 na glândula e de 0,178 ± 0,046 no estroma. Em contraste, os grupos II e III apresentaram CPI significativamente menor, isto é, 0,088 ± 0,009 e 0,080 ± 0,021 para a glândula (p < 0,001) e 0,0945 ± 0,0066 e 0,075 ± 0,018 para o estroma (p < 0,001), respectivamente. Além disso, a área de lesão média do Grupo I foi de 69,2 mm2, valor significativamente maior em relação ao Grupo II (49,4 mm2, p = 0,023) e Grupo III (48,6 mm2, p = 0,006). Não houve diferença estatisticamente significante entre os Grupos II e III. CONCLUSãO: A talidomida mostrou-se eficaz na redução da área da lesão e CPI dos implantes de endometriose experimental tanto na dose de 1 mg/kg/dia quanto na dose de 10 mg/kg/dia.
Assuntos
Inibidores da Angiogênese/farmacologia , Proliferação de Células/efeitos dos fármacos , Endometriose/patologia , Endométrio/patologia , Talidomida/farmacologia , Animais , Biomarcadores/análise , Modelos Animais de Doenças , Relação Dose-Resposta a Droga , Feminino , Humanos , Antígeno Nuclear de Célula em Proliferação/análise , Ratos WistarRESUMO
Abstract Objective To analyze the effect of thalidomide on the progression of endometriotic lesions experimentally induced in rats and to characterize the pattern of cell proliferation by immunohistochemical Proliferating Cell Nuclear Antigen (PCNA) labeling of eutopic and ectopic endometrium. Methods Fifteen female Wistar rats underwent laparotomy for endometriosis induction by resection of one uterine horn, isolation of the endometrium and fixation of a tissue segment to the pelvic peritoneum. Four weeks after, the animals were divided into 3 groups: control (I), 10mg/kg/day (II) and 1mg/kg/day (III) intraperitoneal thalidomide for 10 days. The lesion was excised together with the opposite uterine horn for endometrial gland and stroma analysis. Eutopic and ectopic endometrial tissue was submitted to immunohistochemistry for analysis of cell proliferation by PCNA labeling and the cell proliferation index (CPI) was calculated as the number of labeled cells per 1,000 cells. Results Group I showed a mean CPI of 0.248 ± 0.0513 in the gland and of 0.178 ± 0.046 in the stroma. In contrast, Groups II and III showed a significantly lower CPI, that is, 0.088 ± 0.009 and 0.080 ± 0.021 for the gland (p < 0.001) and 0.0945 ± 0.0066 and 0.075 ± 0.018 for the stroma (p < 0.001), respectively. Also, the mean lesion area of Group I was 69.2mm2, a significantly higher value compared with Group II (49.4mm2, p = 0.023) and Group III (48.6mm2, p = 0.006). No significant difference was observed between Groups II and III. Conclusion Thalidomide proved to be effective in reducing the lesion area and CPI of the experimental endometriosis implants both at the dose of 1mg/kg/day and at the dose of 10 mg/kg/day.
Resumo Objetivo Analisar o efeito da talidomida na progressão de lesões endometrióticas induzidas experimentalmente em ratas e caracterizar o padrão de proliferação celular pela marcação imunohistoquímica de Antígeno Nuclear de Célula Proliferativa (PCNA) no endométrio eutópico e ectópico. Métodos Quinze ratas Wistar foram submetidas a laparotomia para indução de endometriose por ressecção de um corno uterino, isolamento do endométrio e fixação de um segmento do tecido ao peritônio pélvico. Após quatro semanas, os animais foram divididos em 3 grupos: controle (I), 10 mg/kg/dia (II) e 1 mg/kg/dia (III) de talidomida intraperitoneal por um período de 10 dias. As lesões foram resseccionadas juntamente com o corno uterino oposto para análise da glândula endometrial e do estroma. O tecido endometrial eutópico e ectópico foi submetido à imunohistoquímica para análise da proliferação celular por marcação com PCNA e o índice de proliferação celular (CPI) foi calculado como o número de células marcadas por 1.000 células. Resultados O grupo I apresentou média de CPI de 0,248 ± 0,0513 na glândula e de 0,178 ± 0,046 no estroma. Em contraste, os grupos II e III apresentaram CPI significativamentemenor, isto é, 0,088 ± 0,009 e 0,080 ± 0,021 para a glândula (p < 0,001) e 0,0945 ± 0,0066 e 0,075 ± 0,018 para o estroma (p < 0,001), respectivamente. Além disso, a área de lesãomédia do Grupo I foi de 69,2mm2, valor significativamentemaior em relação ao Grupo II (49,4mm2, p = 0,023) e Grupo III (48,6mm2, p = 0,006). Não houve diferença estatisticamente significante entre os Grupos II e III. Conclusão A talidomida mostrou-se eficaz na redução da área da lesão e CPI dos implantes de endometriose experimental tanto na dose de 1mg/kg/dia quanto na dose de 10 mg/kg/dia.