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1.
J Natl Compr Canc Netw ; 22(2D)2024 Apr 18.
Artigo em Inglês | MEDLINE | ID: mdl-38866043

RESUMO

BACKGROUND: Parallel panel germline and somatic genetic testing of all patients with ovarian cancer (OC) can identify more pathogenic variants (PVs) that would benefit from PARP inhibitor (PARPi) therapy, and allow for precision prevention in unaffected relatives with PVs. In this study, we estimate the cost-effectiveness and population impact of parallel panel germline and somatic BRCA testing of all patients with OC incorporating PARPi therapy in the United Kingdom and the United States compared with clinical criteria/family history (FH)-based germline BRCA testing. We also evaluate the cost-effectiveness of multigene panel germline testing alone. METHODS: Microsimulation cost-effectiveness modeling using data from 2,391 (UK: n=1,483; US: n=908) unselected, population-based patients with OC was used to compare lifetime costs and effects of panel germline and somatic BRCA testing of all OC cases (with PARPi therapy) (strategy A) versus clinical criteria/FH-based germline BRCA testing (strategy B). Unaffected relatives with germline BRCA1/BRCA2/RAD51C/RAD51D/BRIP1 PVs identified through cascade testing underwent appropriate OC and breast cancer (BC) risk-reduction interventions. We also compared the cost-effectiveness of multigene panel germline testing alone (without PARPi therapy) versus strategy B. Unaffected relatives with PVs could undergo risk-reducing interventions. Lifetime horizon with payer/societal perspectives, along with probabilistic/one-way sensitivity analyses, are presented. Incremental cost-effectiveness ratio (ICER) and incremental cost per quality-adjusted life year (QALY) gained were compared with £30,000/QALY (UK) and $100,000/QALY (US) thresholds. OC incidence, BC incidence, and prevented deaths were estimated. RESULTS: Compared with clinical criteria/FH-based BRCA testing, BRCA1/BRCA2/RAD51C/RAD51D/BRIP1 germline testing and BRCA1/BRCA2 somatic testing of all patients with OC incorporating PARPi therapy had a UK ICER of £51,175/QALY (payer perspective) and £50,202/QALY (societal perspective) and a US ICER of $175,232/QALY (payer perspective) and $174,667/QALY (societal perspective), above UK/NICE and US cost-effectiveness thresholds in the base case. However, strategy A becomes cost-effective if PARPi costs decrease by 45% to 46% or if overall survival with PARPi reaches a hazard ratio of 0.28. Unselected panel germline testing alone (without PARPi therapy) is cost-effective, with payer-perspective ICERs of £11,291/QALY or $68,808/QALY and societal-perspective ICERs of £6,923/QALY or $65,786/QALY. One year's testing could prevent 209 UK BC/OC cases and 192 deaths, and 560 US BC/OC cases and 460 deaths. CONCLUSIONS: Unselected panel germline and somatic BRCA testing can become cost-effective, with a 45% to 46% reduction in PARPi costs. Regarding germline testing, unselected panel germline testing is highly cost-effective and should replace BRCA testing alone.


Assuntos
Carcinoma Epitelial do Ovário , Análise Custo-Benefício , Testes Genéticos , Mutação em Linhagem Germinativa , Neoplasias Ovarianas , Humanos , Feminino , Testes Genéticos/economia , Testes Genéticos/métodos , Carcinoma Epitelial do Ovário/genética , Carcinoma Epitelial do Ovário/economia , Carcinoma Epitelial do Ovário/diagnóstico , Carcinoma Epitelial do Ovário/tratamento farmacológico , Carcinoma Epitelial do Ovário/patologia , Neoplasias Ovarianas/genética , Neoplasias Ovarianas/tratamento farmacológico , Neoplasias Ovarianas/diagnóstico , Neoplasias Ovarianas/economia , Predisposição Genética para Doença , Proteína BRCA2/genética , Proteína BRCA1/genética , Pessoa de Meia-Idade , Estados Unidos/epidemiologia , Anos de Vida Ajustados por Qualidade de Vida , Inibidores de Poli(ADP-Ribose) Polimerases/uso terapêutico , Inibidores de Poli(ADP-Ribose) Polimerases/economia , RNA Helicases/genética , Adulto , Reino Unido/epidemiologia , Proteínas de Grupos de Complementação da Anemia de Fanconi/genética , Proteínas de Ligação a DNA
2.
J Med Genet ; 2024 Apr 04.
Artigo em Inglês | MEDLINE | ID: mdl-38575303

RESUMO

BACKGROUND: 1 in 40 UK Jewish individuals carry a pathogenic variant in BRCA1/BRCA2. Traditional testing criteria miss half of carriers, and so population genetic testing is being piloted for Jewish people in England. There has been no qualitative research into the factors influencing BRCA awareness and testing experience in this group. This study aimed to explore these and inform improvements for the implementation of population genetic testing. METHODS: Qualitative study of UK Jewish adults who have undergone BRCA testing. We conducted one-to-one semistructured interviews via telephone or video call using a predefined topic guide, until sufficient information power was reached. Interviews were audio-recorded, transcribed verbatim and interpreted using applied thematic analysis. RESULTS: 32 individuals were interviewed (28 carriers, 4 non-carriers). We interpreted five themes intersecting across six time points of the testing pathway: (1) individual differences regarding personal/family history of cancer, demographics and personal attitudes/approach; (2) healthcare professionals' support; (3) pathway access and integration; (4) nature of family/partner relationships; and (5) Jewish community factors. Testing was largely triggered by connecting information to a personal/family history of cancer. No participants reported decision regret, although there was huge variation in satisfaction. Suggestions were given around increasing UK Jewish community awareness, making information and support services personally relevant and proactive case management of carriers. CONCLUSIONS: There is a need to improve UK Jewish community BRCA awareness and to highlight personal relevance of testing for individuals without a personal/family history of cancer. Traditional testing criteria caused multiple issues regarding test access and experience. Carriers want information and support services tailored to their individual circumstances.

3.
BJOG ; 131(6): 848-857, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-37752678

RESUMO

OBJECTIVE: To evaluate patient preference for short (gist) or detailed/extensive decision aids (DA) for genetic testing at ovarian cancer (OC) diagnosis. DESIGN: Cohort study set within recruitment to the Systematic Genetic Testing for Personalised Ovarian Cancer Therapy (SIGNPOST) study (ISRCTN: 16988857). SETTING: North-East London Cancer Network (NELCN) population. POPULATION/SAMPLE: Women with high-grade non-mucinous epithelial OC. METHODS: A more detailed DA was developed using patient and stakeholder input following the principles/methodology of IPDAS (International Patients Decision Aids Standards). Unselected patients attending oncology clinics evaluated both a pre-existing short and a new long DA version and then underwent mainstreaming genetic testing by a cancer clinician. Appropriate inferential descriptive and regression analyses were undertaken. MAIN OUTCOME MEASURES: Satisfaction, readability, understanding, emotional well-being and preference for long/short DA. RESULTS: The mean age of patients was 66 years (interquartile range 11), and 85% were White British ethnicity. Of the participants, 74% found DAs helpful/useful in decision-making. Women reported higher levels of satisfaction (86% versus 58%, p < 0.001), right amount of information provided (76.79% versus49.12%, p < 0.001) and improved understanding (p < 0.001) with the long DA compared with the short DA. There was no statistically significant difference in emotional outcomes (feeling worried/concerned/reassured/upset) between 'short' and 'long' DA; 74% of patients preferred the long DA and 24% the short DA. Patients undergoing treatment (correlation coefficient (coef) = 0.603; 95% CI 0.165-1.041, p = 0.007), those with recurrence (coef = 0.493; 95% CI 0.065-0.92, p = 0.024) and older women (coef = 0.042; 95% CI 0.017-0.066, p = 0.001) preferred the short DA. Ethnicity did not affect outcomes or overall preference for long/short DA. CONCLUSIONS: A longer DA in OC patients has higher satisfaction without increasing emotional distress. Older women and those undergoing treatment/recurrence prefer less extensive information, whereas those in remission preferred a longer DA.


Assuntos
Técnicas de Apoio para a Decisão , Neoplasias Ovarianas , Humanos , Feminino , Idoso , Estudos de Coortes , Estudos Prospectivos , Neoplasias Ovarianas/diagnóstico , Neoplasias Ovarianas/genética , Testes Genéticos
4.
Artigo em Inglês | MEDLINE | ID: mdl-37936879

RESUMO

Triple negative breast cancer (TNBC) is a subtype of breast cancer which does not express or expresses a minimum amount of estrogen receptors (ER), progesterone receptors (PR) and human epidermal growth factor receptor 2 (HER2) protein. TNBCs include a heterogenic group of cancers that are aggressive, grow rapidly and are associated with poor prognosis and overall survival, mainly attributed to a lack of effective therapeutic targets. For a long time, a major issue with predicting the outcome and prognosis of TNBCs was the lack of an accurate biomarker, a molecule that helps us objectively assess a patient's health status. In recent times, defining the presence of tumor-infiltrating lymphocytes (TIL) is becoming an indispensable method of determining a patient's prognosis. TILs are found in tumor tissue and the surrounding stroma and carry a prognostic value. Furthermore, they are known to improve the effect of systemic therapy. With the rise of immunotherapy, the role of TIL in this newer therapeutic option is a topic of increased importance. The goal behind this research article is a comprehensive review of the current literature on the importance of tumor-infiltrating lymphocytes in the prognosis of TNBC.

5.
Medicina (Kaunas) ; 59(9)2023 Sep 08.
Artigo em Inglês | MEDLINE | ID: mdl-37763750

RESUMO

Background and Objectives: Gestational trophoblastic disease (GTD) is a group of pregnancy-related malignant and premalignant diseases. The aim of this study was to assess the prognostic value of clinical characteristics to predict treatment outcomes in women with GTD. Materials and Methods: In this retrospective study, 34 patients treated for GTD at the Division of Gynaecology and Perinatology, University Medical Centre Maribor, between 2008 and 2022 were identified. Clinical and pathological characteristics were obtained by analysing patient data records. Results: Within the cohort of 34 patients with GTD, 29 patients (85.3%) had a partial hydatidiform mole (HM) and five patients545 (14.7%) had a complete HM. Two patients with a complete HM developed a postmolar gestational trophoblastic neoplasia (GTN), which represents 5.8% of all cases. Conclusions: GTD is a rare disease that is frequently asymptomatic. The subsequent consequences of GTD, which can lead to malignant transformation, as well life-threatening disease complications, warrant training for early recognition of HMs and timely treatment and surveillance.


Assuntos
Doenças Raras , Gravidez , Humanos , Feminino , Estudos Retrospectivos
6.
Int J Mol Sci ; 24(6)2023 Mar 13.
Artigo em Inglês | MEDLINE | ID: mdl-36982551

RESUMO

Endometrial and cervical cancers are the two most common gynaecological malignancies and among the leading causes of death worldwide. The extracellular matrix (ECM) is an important component of the cellular microenvironment and plays an important role in developing and regulating normal tissues and homeostasis. The pathological dynamics of the ECM contribute to several different processes such as endometriosis, infertility, cancer, and metastasis. Identifying changes in components of ECM is crucial for understanding the mechanisms of cancer development and its progression. We performed a systematic analysis of publications on the topic of changes in the extracellular matrix in cervical and endometrial cancer. The findings of this systematic review show that matrix metalloproteinases (MMP) play an important role impacting tumour growth in both types of cancer. MMPs degrade various specific substrates (collagen, elastin, fibronectin, aggrecan, fibulin, laminin, tenascin, vitronectin, versican, nidogen) and play a crucial role in the basal membrane degradation and ECM components. Similar types of MMPs were found to be increased in both cancers, namely, MMP-1, MMP-2, MMP-9, and MMP-11. Elevated concentrations of MMP-2 and MMP-9 were correlated with the FIGO stage and are associated with poor prognosis in endometrial cancer, whereas in cervical cancer, elevated concentrations of MMP-9 have been associated with a better outcome. Elevated ADAMTS levels were found in cervical cancer tissues. Elevated disintegrin and metalloproteinase with thrombospondin motifs (ADAMTS) levels were also found in endometrial cancer, but their role is still unclear. Following these findings, this review reports on tissue inhibitors of ECM enzymes, MMPs, and ADAMTS. The present review demonstrates changes in the extracellular matrix in cervical and endometrial cancers and compared their effect on cancer development, progression, and patient prognosis.


Assuntos
Neoplasias do Endométrio , Neoplasias do Colo do Útero , Feminino , Humanos , Neoplasias do Colo do Útero/metabolismo , Metaloproteinase 9 da Matriz/metabolismo , Metaloproteinase 2 da Matriz/metabolismo , Matriz Extracelular/metabolismo , Metaloproteinases da Matriz/metabolismo , Neoplasias do Endométrio/metabolismo , Microambiente Tumoral
7.
Front Oncol ; 13: 1013463, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-36969079

RESUMO

Endometrial cancer is the most common gynecologic malignancy in the developed world. Risk stratification and treatment approaches are changing due to better understanding of tumor biology. Upregulated Wnt signaling plays an important role in cancer initiation and progression with promising potential for development of specific Wnt inhibitor therapy. One of the ways in which Wnt signaling contributes to progression of cancer, is by activating epithelial-to-mesenchymal transition (EMT) in tumor cells, causing the expression of mesenchymal markers, and enabling tumor cells to dissociate and migrate. This study analyzed the expression of Wnt signaling and EMT markers in endometrial cancer. Wnt signaling and EMT markers were significantly correlated with hormone receptors status in EC, but not with other clinico-pathological characteristics. Expression of Wnt antagonist, Dkk1 was significantly different between the ESGO-ESTRO-ESP patient risk assessment categories using integrated molecular risk assessment.

8.
Curr Oncol ; 30(2): 2217-2226, 2023 02 11.
Artigo em Inglês | MEDLINE | ID: mdl-36826132

RESUMO

Gestational choriocarcinoma of the ovary is an exceptionally rare and highly aggressive tumor. Preoperative diagnosis of extrauterine choriocarcinoma is difficult due to nonspecific clinical presentation and its resemblance to ectopic pregnancy. Without molecular genetic analysis, it is not possible to reliably differentiate gestational from non-gestational choriocarcinoma. Here, we present a case of a 44-year-old woman who presented to our emergency department with complaints of pelvic pain, vaginal bleeding, and amenorrhea. Because of a recent history of conservatively managed ectopic pregnancy, the patient underwent emergency laparoscopy. Right-sided salpingo-oophorectomy was performed due to intraoperatively suspected ovarian ectopic pregnancy. Histopathology results revealed the diagnosis of ovarian choriocarcinoma of possible gestational origin. It was classified as FIGO stage IV and WHO ultra-high-risk, and she underwent multi-agent chemotherapy without major complications. She has remained in complete remission after a 12-month follow-up. Considering the rarity of this diagnosis, we conducted a literature review including all published cases of suspected gestational choriocarcinomas of the ovary. We conclude that due to the rarity of this entity, preoperative differentiating between ovarian ectopic pregnancy and ovarian choriocarcinoma is extremely challenging, and without molecular genetic analysis, it is not possible to identify the genetic origin of the tumor.


Assuntos
Coriocarcinoma , Doença Trofoblástica Gestacional , Gravidez Ectópica , Gravidez , Feminino , Humanos , Adulto , Ovário/patologia , Gravidez Ectópica/diagnóstico , Gravidez Ectópica/cirurgia , Coriocarcinoma/diagnóstico , Coriocarcinoma/genética , Coriocarcinoma/patologia
9.
J Pers Med ; 13(2)2023 Feb 16.
Artigo em Inglês | MEDLINE | ID: mdl-36836575

RESUMO

The role of estrogens and progesterone in the development and progression of endometrial cancer is well-established, but there are very little data about the role of androgens. There are five different androgens produced in women: dehydroepiandrosterone sulphate (DHEAS), dehydroepiandrosterone (DHEA), androstenedione (A4), testosterone (T) and dihydrotestosterone (DHT). The most potent hormones are T and DHT, the latter being mainly produced from T in peripheral tissues, including endometrium. Although they are considered to exert antiproliferative effects in many settings and the expression of their receptors is more often associated with a good prognosis in EC, it is still unknown in which specific settings androgens have carcinogenic or protective effects in EC.

10.
Radiol Oncol ; 56(4): 430-439, 2022 12 01.
Artigo em Inglês | MEDLINE | ID: mdl-36286620

RESUMO

BACKGROUND: Gestational trophoblastic disease (GTD) is a heterogeneous group of rare tumours characterised by abnormal proliferation of trophoblastic tissue. It consists of benign or premalignant conditions, such as complete and partial molar pregnancy and variants of malignant diseases. The malignant tumours specifically are commonly referred to as gestational trophoblastic neoplasia (GTN). They consist of invasive mole, choriocarcinoma, placental-site trophoblastic tumour (PSTT) and epithelioid trophoblastic tumour (ETT). CONCLUSIONS: Patients with GTD are often asymptomatic, although vaginal bleeding is a common presenting symptom. With the advances in ultrasound imaging in early pregnancy, the diagnosis of molar pregnancy is most commonly made in the first trimester of pregnancy. Sometimes, additional imaging such as chest X-ray, CT or MRI can help detect metastatic disease. Most women can be cured, and their reproductive function can be preserved. In this review, we focus on the advances in management strategies for gestational trophoblastic disease as well as possible future research directions.


Assuntos
Doença Trofoblástica Gestacional , Mola Hidatiforme , Neoplasias Uterinas , Feminino , Humanos , Gravidez , Placenta/patologia , Doença Trofoblástica Gestacional/diagnóstico por imagem , Doença Trofoblástica Gestacional/terapia , Mola Hidatiforme/diagnóstico por imagem , Mola Hidatiforme/terapia , Imageamento por Ressonância Magnética , Neoplasias Uterinas/diagnóstico
11.
BJOG ; 129(12): 1970-1980, 2022 11.
Artigo em Inglês | MEDLINE | ID: mdl-35781768

RESUMO

OBJECTIVE: Ashkenazi-Jewish (AJ) population-based BRCA testing is acceptable, cost-effective and amplifies primary prevention for breast & ovarian cancer. However, data describing lifestyle impact are lacking. We report long-term results of population-based BRCA testing on lifestyle behaviour and cancer risk perception. DESIGN: Two-arm randomised controlled trials (ISRCTN73338115, GCaPPS): (a) population-screening (PS); (b) family history (FH)/clinical criteria testing. SETTING: North London AJ-population. POPULATION/SAMPLE: AJ women/men >18 years. EXCLUSIONS: prior BRCA testing or first-degree relatives of BRCA-carriers. METHODS: Participants were recruited through self-referral. All participants received informed pre-test genetic counselling. The intervention included genetic testing for three AJ BRCA-mutations: 185delAG(c.68_69delAG), 5382insC(c.5266dupC) and 6174delT(c.5946delT). This was undertaken for all participants in the PS arm and participants fulfilling FH/clinical criteria in the FH arm. Patients filled out customised/validated questionnaires at baseline/1-year/2-year/3-year follow-ups. Generalised linear-mixed models adjusted for covariates and appropriate contrast tests were used for between-group/within-group analysis of lifestyle and behavioural outcomes along with evaluating factors associated with these outcomes. Outcomes are adjusted for multiple testing (Bonferroni method), with P < 0.0039 considered significant. OUTCOME MEASURES: Lifestyle/behavioural outcomes at baseline/1-year/2-year/3-year follow-ups. RESULTS: 1034 participants were randomised to PS (n = 530) or FH (n = 504) arms. No significant difference was identified between PS- and FH-based BRCA testing approaches in terms of dietary fruit/vegetable/meat consumption, vitamin intake, alcohol quantity/ frequency, smoking behaviour (frequency/cessation), physical activity/exercise or routine breast mammogram screening behaviour, with outcomes not affected by BRCA test result. Cancer risk perception decreased with time following BRCA testing, with no difference between FH/PS approaches, and the perception of risk was lowest in BRCA-negative participants. Men consumed fewer fruits/vegetables/vitamins and more meat/alcohol than women (P < 0.001). CONCLUSION: Population-based and FH-based AJ BRCA testing have similar long-term lifestyle impacts on smoking, alcohol, dietary fruit/vegetable/meat/vitamin, exercise, breast screening participation and reduced cancer risk perception.


Assuntos
Neoplasias da Mama , Neoplasias Ovarianas , Adulto , Neoplasias da Mama/genética , Neoplasias da Mama/prevenção & controle , Feminino , Predisposição Genética para Doença , Testes Genéticos , Humanos , Judeus/genética , Estilo de Vida , Masculino , Neoplasias Ovarianas/genética , Neoplasias Ovarianas/prevenção & controle , Vitaminas
12.
Curr Oncol ; 29(8): 5213-5222, 2022 07 22.
Artigo em Inglês | MEDLINE | ID: mdl-35892983

RESUMO

The overall survival of women with endometrial cancer is excellent after management. Different management strategies are associated with variable patient-reported outcomes (PROs). Evaluating PROs in the follow-up period can aid in better counseling and intervention for PRO improvement. This study aimed to evaluate the properties of the Slovenian translation of the EORTC QLQ-EN24 assessment scale. Women treated at the University Medical Centre Maribor, Slovenia, between January 2016 and December 2019 were invited to report their symptoms using the EORTC QLQ-EN24 questionnaire. Data were correlated with treatment modalities and clinical characteristics. The median age of participants in our study was 61 years old. PROs were not specific to therapy or clinical characteristics. Overall, women who more frequently reported gastrointestinal symptoms, muscular pain, or back pain also had statistically more frequently decreased levels of PROs in other assessed areas. Women who reported sexual or vaginal problems more often reported significantly poorer body images. Sexual activity within 4 weeks prior to completing the scale was reported by 39% of women. Sexual functioning assessments also showed important correlations between sexual interest, enjoyment, and activity. Individualized follow-ups addressing PROs should be offered to better address concerns and improve long-term outcomes in women with endometrial cancer.


Assuntos
Neoplasias do Endométrio , Qualidade de Vida , Neoplasias do Endométrio/terapia , Feminino , Humanos , Pessoa de Meia-Idade , Medidas de Resultados Relatados pelo Paciente , Inquéritos e Questionários
13.
J Ovarian Res ; 15(1): 73, 2022 Jun 19.
Artigo em Inglês | MEDLINE | ID: mdl-35718769

RESUMO

High grade epithelial ovarian cancer (EOC) represents a diagnostic and therapeutic challenge due to its aggressive features and short recurrence free survival (RFS) after primary treatment. Novel targets to inform our understanding of the EOC carcinogenesis in the translational machinery can provide us with independent prognostic markers and provide drugable targets. We have identified candidate eukaryotic initiation factors (eIF) and eukaryotic elongation factors (eEF) in the translational machinery for differential expression in EOC through in-silico analysis. We present the analysis of 150 ovarian tissue microarray (TMA) samples on the expression of the translational markers eIF2α, eIF2G, eIF5 (eIF5A and eIF5B), eIF6 and eEF1A1. All translational markers were differentially expressed among non-neoplastic ovarian samples and tumour samples (borderline tumours and EOC). In EOC, expression of eIF5A was found to be significantly correlated with recurrence free survival (RFS) and expression of eIF2G and eEF1A1 with overall survival (OS). Expression correlation among factor subunits showed that the correlation of eEF1A1, eIF2G, EIF2α and eIF5A were significantly interconnected. eIF5A was also correlated with eIF5B and eIF6. Our study demonstrates that EOCs have different translational profile compared to benign ovarian tissue and that eIF5A is a central dysregulated factor of the translation machinery.


Assuntos
Neoplasias Epiteliais e Glandulares , Neoplasias Ovarianas , Biomarcadores Tumorais/metabolismo , Carcinoma Epitelial do Ovário , Feminino , Regulação Neoplásica da Expressão Gênica , Humanos , Neoplasias Epiteliais e Glandulares/genética , Neoplasias Ovarianas/patologia , Fatores de Alongamento de Peptídeos/metabolismo , Prognóstico
14.
Dis Markers ; 2022: 1442441, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35531470

RESUMO

Endometrial cancer (EC) is the most common gynaecologic malignancy in the developed countries. Recent evidence suggests that histopathological subtyping together with molecular subgrouping can lead to more accurate assessment of the risk profile for the patient. Clinical studies suggest the currently used molecular classification improves the risk assessment of women with endometrial cancer but does not explain the differences in recurrence profiles clearly. This could be improved by novel markers. One of such are mutations in the ß-catenin (CTNNB1) gene, a frequently mutated gene in endometrial cancer. This shows mutations mostly at phosphorylation sites of the ß-catenin and almost exclusively in the endometrial subgroup of no specific molecular profile. CTNNB1 mutations lead to alterations in the Wnt/ß-catenin signalling pathway, involved in the carcinogenesis and progression of EC by inducing transcription of target genes, whose function is to regulate the cell cycle. Although tumours with mutations in CTNNB1 tend to have low-risk characteristics, they are related to worse outcomes with significantly increased rate of disease recurrence and lower overall survival.


Assuntos
Neoplasias do Endométrio , beta Catenina , Neoplasias do Endométrio/patologia , Feminino , Humanos , Mutação , Recidiva Local de Neoplasia/genética , Via de Sinalização Wnt , beta Catenina/genética
15.
Int J Mol Sci ; 23(7)2022 Mar 22.
Artigo em Inglês | MEDLINE | ID: mdl-35408777

RESUMO

Adenomyosis, endometriosis, endometritis, and typical endometrial hyperplasia are common non-cancerous diseases of the endometrium that afflict many women with life-impacting consequences. The mammalian target of the rapamycin (mTOR) pathway interacts with estrogen signaling and is known to be dysregulated in endometrial cancer. Based on this knowledge, we attempt to investigate the role of mTOR signaling in benign endometrial diseases while focusing on how the interplay between mTOR and eukaryotic translation initiation factors (eIFs) affects their development. In fact, mTOR overactivity is apparent in adenomyosis, endometriosis, and typical endometrial hyperplasia, where it promotes endometrial cell proliferation and invasiveness. Recent data show aberrant expression of various components of the mTOR pathway in both eutopic and ectopic endometrium of patients with adenomyosis or endometriosis and in hyperplastic endometrium as well. Moreover, studies on endometritis show that derangement of mTOR signaling is linked to the establishment of endometrial dysfunction caused by chronic inflammation. This review shows that inhibition of the mTOR pathway has a promising therapeutic effect in benign endometrial conditions, concluding that mTOR signaling dysregulation plays a critical part in their pathogenesis.


Assuntos
Adenomiose , Hiperplasia Endometrial , Endometriose , Endometrite , Doenças Uterinas , Adenomiose/metabolismo , Adenomiose/patologia , Hiperplasia Endometrial/patologia , Endometriose/patologia , Endometrite/patologia , Endométrio/metabolismo , Feminino , Humanos , Sirolimo , Serina-Treonina Quinases TOR/metabolismo , Doenças Uterinas/patologia
16.
BMC Med Educ ; 21(1): 575, 2021 Nov 12.
Artigo em Inglês | MEDLINE | ID: mdl-34772405

RESUMO

BACKGROUND: Effective clinical reasoning is a core competency of health professionals that is necessary to assure patients' safety. Unfortunately, adoption of longitudinal clinical reasoning curricula is still infrequent. This study explores the barriers that hinder the explicit teaching of clinical reasoning from a new international perspective. METHODS: The context of this study was a European project whose aim is to develop a longitudinal clinical reasoning curriculum. We collected data in semi-structured interviews with responders from several European countries who represent various health professions and have different backgrounds, roles and experience. We performed a qualitative content analysis of the gathered data and constructed a coding frame using a combined deductive/inductive approach. The identified themes were validated by parallel coding and in group discussions among project members. RESULTS: A total of 29 respondents from five European countries participated in the interviews; the majority of them represent medicine and nursing sciences. We grouped the identified barriers into eight general themes: Time, Culture, Motivation, Clinical Reasoning as a Concept, Teaching, Assessment, Infrastructure and Others. Subthemes included issues with discussing errors and providing feedback, awareness of clinical reasoning teaching methods, and tensions between the groups of professionals involved. CONCLUSIONS: This study provides an in-depth analysis of the barriers that hinder the teaching of explicit clinical reasoning. The opinions are presented from the perspective of several European higher education institutions. The identified barriers are complex and should be treated holistically due to the many interconnections between the identified barriers. Progress in implementation is hampered by the presence of reciprocal causal chains that aggravate this situation. Further research could investigate the perceptual differences between health professions regarding the barriers to clinical reasoning. The collected insights on the complexity and diversity of these barriers will help when rolling out a long-term agenda for overcoming the factors that inhibit the implementation of clinical reasoning curricula.


Assuntos
Raciocínio Clínico , Currículo , Ocupações em Saúde , Pessoal de Saúde/educação , Humanos , Segurança do Paciente
17.
Cancers (Basel) ; 13(17)2021 Aug 27.
Artigo em Inglês | MEDLINE | ID: mdl-34503154

RESUMO

We present findings of a cancer multidisciplinary-team (MDT) coordinated mainstreaming pathway of unselected 5-panel germline BRCA1/BRCA2/RAD51C/RAD51D/BRIP1 and parallel somatic BRCA1/BRCA2 testing in all women with epithelial-OC and highlight the discordance between germline and somatic testing strategies across two cancer centres. Patients were counselled and consented by a cancer MDT member. The uptake of parallel multi-gene germline and somatic testing was 97.7%. Counselling by clinical-nurse-specialist more frequently needed >1 consultation (53.6% (30/56)) compared to a medical (15.0% (21/137)) or surgical oncologist (15.3% (17/110)) (p < 0.001). The median age was 54 (IQR = 51-62) years in germline pathogenic-variant (PV) versus 61 (IQR = 51-71) in BRCA wild-type (p = 0.001). There was no significant difference in distribution of PVs by ethnicity, stage, surgery timing or resection status. A total of 15.5% germline and 7.8% somatic BRCA1/BRCA2 PVs were identified. A total of 2.3% patients had RAD51C/RAD51D/BRIP1 PVs. A total of 11% germline PVs were large-genomic-rearrangements and missed by somatic testing. A total of 20% germline PVs are missed by somatic first BRCA-testing approach and 55.6% germline PVs missed by family history ascertainment. The somatic testing failure rate is higher (23%) for patients undergoing diagnostic biopsies. Our findings favour a prospective parallel somatic and germline panel testing approach as a clinically efficient strategy to maximise variant identification. UK Genomics test-directory criteria should be expanded to include a panel of OC genes.

18.
Radiol Oncol ; 56(1): 76-82, 2021 09 17.
Artigo em Inglês | MEDLINE | ID: mdl-34529911

RESUMO

BACKGROUND: The aim of this study was to evaluate changes in prognostic risk profiles of women with endometrial cancer by comparing the clinical risk assessment with the integrated molecular risk assessment profiling. PATIENTS AND METHODS: This prospective study recruited patients with biopsy proven endometrial cancer treated at the University Medical Centre Maribor between January 2020 to February 2021. Patient clinical data was assessed and categorized according to the currently valid European Society of Gynaecological Oncology, European SocieTy for Radiotherapy and Oncology, and European Society of Pathology (ESGO/ESTRO/ESP) guidelines on endometrial cancer. Molecular tumour characterization included determination of exonuclease domain of DNA polymerase-epsilon (POLE) mutational status by Sanger sequencing and imunohistochemical specimen evaluation on the presence of mismatch repair deficiencies (MMRd) and p53 abnormalities (p53abn). RESULTS: Fourty-five women were included in the study. Twenty-two tumours were of non-specific mutational profile (NSMP) (56.4%), 13 were classified as MMRd (33.3%), 3 were classified as p53abn (7.7%) and 1 was classified as POLE mutated (2.6%). Six tumours (15.4%) had multiple molecular classifiers, these were studied separately and were not included in the risk assessment. The clinical risk-assessment classified 21 women (53.8%) as low-risk, 5 women (12.8%) as intermediate risk, 2 women as high-intermediate risk (5.1%), 10 women (25.6%) as high risk and 1 patient as advanced metastatic (2.6%). The integrated molecular classification changed risk for 4 women (10.3%). CONCLUSIONS: Integrated molecular risk improves personalized risk assessment in endometrial cancer and could potentially improve therapeutic precision. Further molecular stratification with biomarkers is especially needed in the NSMP group to improve personalized risk-assessment.


Assuntos
Neoplasias do Endométrio , DNA Polimerase II/genética , Neoplasias do Endométrio/patologia , Feminino , Humanos , Prognóstico , Estudos Prospectivos , Medição de Risco
19.
Cancers (Basel) ; 13(7)2021 Apr 01.
Artigo em Inglês | MEDLINE | ID: mdl-33915941

RESUMO

This review summarizes the recent findings of a vast array of studies conducted on androgen receptor-positive triple-negative breast cancer (AR-positive TNBC) to provide a better understanding of this specific breast cancer subgroup. AR expression is correlated with higher age, lower histological grade, lower proliferation index Ki-67, spiculated masses, and calcifications on mammography. Studies investigating the correlation between AR expression and lymph node metastasis are highly discordant. In addition, results regarding prognosis are highly contradictory. AR antagonists are a promising novel therapeutic approach in AR-positive TNBC. However, AR signaling pathways should be more investigated in order to understand the influence of AR expression on TNBC more thoroughly.

20.
J Cell Mol Med ; 25(8): 3680-3698, 2021 04.
Artigo em Inglês | MEDLINE | ID: mdl-33650759

RESUMO

Cell lines are widely used for various research purposes including cancer and drug research. Recently, there have been studies that pointed to discrepancies in the literature and usage of cell lines. That is why we have prepared a comprehensive overview of the most common gynaecological cancer cell lines, their literature, a list of currently available cell lines, and new findings compared with the original studies. A literature review was conducted via MEDLINE, PubMed and ScienceDirect for reviews in the last 5 years to identify research and other studies related to gynaecological cancer cell lines. We present an overview of the current literature with reference to the original studies and pointed to certain inconsistencies in the literature. The adherence to culturing rulesets and the international guidelines helps in minimizing replication failure between institutions. Evidence from the latest research suggests that despite certain drawbacks, variations of cancer cell lines can also be useful in regard to a more diverse genomic landscape.


Assuntos
Técnicas de Cultura de Células/métodos , Neoplasias dos Genitais Femininos/patologia , Linhagem Celular Tumoral , Feminino , Humanos
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