Department of Clinical Research, University of Basel, Basel, Switzerland
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Division of Nuclear Medicine, University Hospital Basel, Basel, Switzerland
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Department of Clinical Research, University of Basel, Basel, Switzerland
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Department of Clinical Research, University of Basel, Basel, Switzerland
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Sex differences affect the management of several diseases in both male and female patients. However, the influence of sex on neuroendocrine neoplasms (NENs) has been scarcely investigated. Thus, this study aimed to compare tumor characteristics, treatment decisions, and overall survival in patients with NENs, stratified by sex. The retrospective analysis of the SwissNET cohort covered NENs of gastroenteropancreatic, pulmonary, or unknown origin from July 2014 to September 2022. The analysis included 1985 patients (46% female and 54% male). No significant difference in tumor grading was found between male and female patients. However, male patients presented with higher staging at time of diagnosis and with more lymph node and bone metastases. Surgery was performed more often in female compared to male patients (73.4% vs 68.7%, P = 0.023). Male patients received peptide receptor nuclide therapy (PRRT) earlier than female patients (7.8 months vs 13.1 months from time of diagnosis, P = 0.003). The median overall survival was significantly shorter for male compared to female patients (male: 18 years, female: not reached, P < 0.001, hazard ratio (HR) 1.55 (1.19–2.01), P = 0.001). Multivariable analyses revealed advanced age (HR 1.02 (1.01–1.04)), cancer of unknown origin (HR 2.01 (1.09–3.70)), higher grading (G3: HR 6.74 (4.22–10.76)), having metastases at the time of diagnosis (HR 2.11 (1.47–3.02)), and surgical treatment (HR 0.67 (0.48–0.93)) as independent predictors for overall survival. In conclusion, male sex was associated with worse outcome in NEN patients, likely due to more advanced tumor stage at the time of diagnosis. Further investigations are required to understand the underlying mechanisms of these sex differences.
Department of Urology, Huizhou Municipal Central Hospital, Huizhou, Guangdong, China
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Department of Urology, Guangdong Key Laboratory of Clinical Molecular Medicine and Diagnostics, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, China
Department of Urology, Minimally Invasive Surgery Center, The First Affiliated Hospital of Guangzhou Medical University, Guangdong Key Laboratory of Urology, Guangzhou Institute of Urology, Guangzhou, Guangdong
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Department of Urology, Guangdong Key Laboratory of Clinical Molecular Medicine and Diagnostics, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, China
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Adrenocortical carcinoma (ACC) is a malignancy with a poor prognosis and high mortality rate. A high tumor mutational burden (TMB) has been found to be associated with poor prognosis in ACC. Thus, exploring ACC biomarkers based on TMB holds significant importance for patient risk stratification. In our research, we utilized weighted gene coexpression network analysis and an assay for transposase-accessible chromatin with high-throughput sequencing to identify genes associated with TMB. Through the comprehensive analysis of various public datasets, Lamin B1 (LMNB1) was identified as a biomarker associated with a high TMB and low chromatin accessibility. Immunohistochemical staining demonstrated high expression of LMNB1 in ACC compared to noncancerous tissues. Functional enrichment analyses revealed that the function of LMNB1 is associated with cell proliferation and division. Furthermore, cell assays suggested that LMNB1 promotes tumor proliferation and invasion. In addition, mutation analysis suggested that the high expression of LMNB1 is associated with TP53 mutations. Additionally, LMNB1 was highly expressed in the vast majority of solid tumors across cancers. In our immune analysis, we discovered that the high expression of LMNB1 might suppress the infiltration of CD8+ T cells in the ACC microenvironment. In summary, LMNB1 is a predictive factor for the poor prognosis of adult and pediatric ACC. Its high expression in ACC is positively associated with high TMB and lower chromatin accessibility, and it promotes ACC cell proliferation and invasion. Therefore, LMNB1 holds promise as a novel biomarker and potential therapeutic target for ACC.
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Department of General, Visceral and Transplantation Surgery, Division of Endocrine Surgery, University of Duisburg-Essen, Essen, Germany
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Thyroid cancer is the only nonreproductive cancer with striking female predominance, although men with thyroid cancer develop more aggressive disease. This study aimed to quantify sex-specific differences in medullary thyroid cancer (MTC) spread after controlling for primary thyroid tumor size. Included in this retrospective analysis were all patients with unilateral solitary MTC who underwent initial neck surgery at a tertiary referral center. A total of 565 patients, 255 men and 310 women, were identified, of whom 467 had sporadic and 98 hereditary MTC. When stratified by sex, and after correction for multiple testing, men had higher preoperative basal calcitonin levels (medians of 655 vs 181 pg/mL; P < 0.001), more frequent extrathyroid extension (25 vs 9%; P < 0.001) and node metastasis (53 vs 27%; P < 0.001) with more involved nodes (medians of 2 vs 0 nodes; P < 0.001) than women but achieved less often biochemical cure (53 vs 74%; P < 0.001). Although absent in patients with very small (≤5 mm) thyroid tumors, sex disparities were immediately apparent in patients with 5.1–40 mm (node metastasis and biochemical cure) and 10.1–40 mm (extrathyroid extension) large thyroid tumors but were lost in patients with thyroid tumors >40 mm as women caught up. Sex disparities were strongest for node metastasis with a 27–41% (overall 24.0%) point difference, followed by biochemical cure with a −15–35% (overall −20.3%) point difference and extrathyroid extension with a 17–24% (14.2% overall) point difference. These findings indicate that the male predominance in MTC aggressiveness is largely biologically driven, warranting further research.
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Adrenal lesions (ALs) are often detected in patients with multiple endocrine neoplasia type 1 (MEN1). However, they are not well described in MEN1, making their clinical management unclear. This study examined the prevalence and outcomes of ALs found in MEN1. We performed a retrospective chart review of patients diagnosed with MEN1 from 1990 to 2021. ALs were diagnosed using abdominal or thoracic imaging and classified as being unilateral or bilateral, having single or multiple nodules, and as having diffuse enlargement or not. Measurable nodular lesions were analyzed for their size and growth over time. Patients’ clinical and radiographic characteristics were collected. We identified 382 patients with MEN1, 89 (23.3%) of whom had ALs. The mean age at detection was 47 ± 11.9 years. We documented 101 measurable nodular lesions (mean size, 17.5 mm; range, 3–123 mm). Twenty-seven nodules (26.7%) were smaller than 1 cm. Watchful waiting was indicated in 79 (78.2%) patients, of whom 28 (35.4%) had growing lesions. Functional lesions were diagnosed in 6 (15.8%) of 38 that had functional work-up (diagnoses: pheochromocytoma (n = 2), adrenocorticotropic hormone-dependent hypercortisolism (n = 2), hyperandrogenism (n = 1), hyperaldosteronism (n = 1)); surgery was indicated for 5 (83.3%; n = 12 nodules), 2 of whom had bilateral, diffuse adrenal enlargement. Two patients were diagnosed with adrenocortical carcinoma and two with neoplasms of uncertain malignant potential. Radiographic or clinical progression of ALs is uncommon. Malignancy should be suspected on the basis of a lesion’s growth rate and size. A baseline hormonal work-up is recommended, and no further biochemical work-up is suggested when the initial assessment shows nonfunctioning lesions.
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Graphical abstract
Abstract
With the increasing number of transgender and gender diverse (TGD) individuals who are seeking gender-affirming care, there is a clear need for the development and collection of evidence-based data to establish guidelines for patient care. TGD individuals are estimated to represent 0.3 to 4.5% of the world population. Gender-affirming care that includes hormone therapy helps to align the body of a transgender person with their gender identity. Hormone therapy requires monitoring for both safety and efficacy. The extent to which gender-affirming hormone therapy alters cancer risk remains unknown. Because of a lack of comprehensive data collection pertaining to this patient population, endocrine cancer data including incidence and outcomes is limited. Dedicated research is needed to help address the gap in knowledge pertaining to the risk of cancer in the TGD population.
Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
Department of Pathology and Oncology, Medical Faculty, University of Porto, Porto, Portugal
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Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
Department of Endocrinology, Diabetes and Metabolism, Centro Hospitalar e Universitário de Coimbra, Medical Faculty, University of Coimbra, Coimbra, Portugal
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Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
Department of Pathology and Oncology, Medical Faculty, University of Porto, Porto, Portugal
Department of Pathology, Hospital São João, Porto 4200-319, Portugal
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Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
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Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
Department of Pathology and Oncology, Medical Faculty, University of Porto, Porto, Portugal
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The genetic repertoire of primary thyroid cancers (TCs) is well documented, but there is a considerable lack of molecular profiling in metastatic TCs. Here, we retrieved and analyzed the molecular and clinical features of 475 primary and metastatic TCs subjected to targeted DNA sequencing, from the cBioPortal database. The cohort included primary and metastatic samples from 276 papillary thyroid carcinomas (PTCs), 5 follicular thyroid carcinomas, 22 Hürthle cell carcinomas (HCCs), 127 poorly differentiated thyroid carcinomas (PDTCs), 30 anaplastic thyroid carcinomas (ATCs) and 15 medullary thyroid carcinomas. The ATCs had the highest tumor mutational burden and the HCCs the highest fraction of the genome altered. Compared to primary PTCs, the metastases had a significantly higher frequency of genetic alterations affecting TERT (51% vs 77%, P < 0.001), CDKN2A (2% vs 10%, P < 0.01), RET (2% vs 7%, P < 0.05), CDKN2B (1% vs 6%, P < 0.05) and BCOR (0% vs 4%, P < 0.05). The distant metastases had a significantly lower frequency of BRAF (64% vs 85%, P < 0.01) and a significantly higher frequency of NRAS (13% vs 3%, P < 0.05) hotspot mutations than the lymph node metastases. Metastases from HCCs and PDTCs were found to be enriched for NF1 (29%) and TP53 (18%) biallelic alterations, respectively. The frequency of subclonal mutations in ATCs was significantly higher than in PTCs (43% vs 25%, P < 0.01) and PDTCs (43% vs 22%, P < 0.01). Metastatic TCs are enriched in clinically informative genetic alterations such as RET translocations, BRAF hotspot mutations and NF1 biallelic losses that may be explored therapeutically.
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Few studies have focused on reclassifying follicular adenomas (FAs) as noninvasive follicular thyroid neoplasms with papillary-like nuclear features (NIFTPs), but none have been conducted in America or Europe. The aims of this study were to analyze the prevalence of NIFTP reclassified from follicular variant of papillary thyroid carcinomas (FVPTCs) and FAs before NIFTP was defined in the literature, the rate of NIFTP among PTC (papillary thyroid carcinomas) established in real time between 2017 and 2022, and demographic, ultrasonographic, and cytologic characteristics of NIFTPs compared with FVPTCs and FAs. This was a retrospective cohort study of tumors diagnosed as PTCs (n = 247) and FAs (n = 144) at a Brazilian hospital. Overall, 13.4% of PTCs and 7% of FAs were reclassified as NIFTPs. The rate of real-time diagnosed NIFTPs among PTC was 12.3%. The median tumor size was larger among NIFTPs (3.0 cm) than FVPTCs (1.1 cm; P < 0.01). A high-risk ultrasonographic pattern was rare in NIFTPs (5.6%). The cytologic classifications differed between FVPTCs and NIFTPs (P < 0.01), and the most frequent category among NIFTPs was ‘follicular neoplasm’ (52.6%). The category ‘suspicious for malignancy’ was frequent in FVPTCs and rare (5.3%) in NIFTPs. In conclusion, FVPTCs and FAs may be reclassified as NIFTPs. The prevalence of NIFTPs reclassified from FAs was lower in our cohort than in Asian studies. The rate of NIFTPs reclassified from PTC was similar to that of NIFTPs diagnosed in real time and was aligned with rates reported in studies from America and Europe. Preoperative features could not differentiate NIFTPs from FVPTCs or FAs.
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Progesterone receptors (PRs) are biomarkers used as prognostic and predictive factors in breast cancer, but they are still not used as therapeutic targets. We have proposed that the ratio between PR isoforms A and B (PRA and PRB) predicts antiprogestin responsiveness. The MIPRA trial confirmed the benefit of 200 mg mifepristone, administered to patients with tumors with a high PRA/PRB ratio, but dose-ranging has not been conducted. The aim of this study was to establish the plasma mifepristone levels of patients from the MIPRA trial, along with the resultant steroid profiles, and compare these with those observed in mifepristone-treated mice using therapeutic schemes able to induce the regression of experimental mammary carcinomas with high PRA/PRB ratios: 6 mg pellets implanted subcutaneously, or daily doses of 12 mg/kg body weight. The plasma levels of mifepristone and other 19 plasma steroids were measured by liquid chromatography–tandem mass spectometry. In mifepristone-treated mice, plasma levels were lower than those registered in mifepristone-treated patients (i.e. day 7 after treatment initiation, pellet-treated mice: 8.4 ± 3.9 ng/mL; mifepristone-treated patients: 300.3 ± 31.7 ng/mL (mean ± s.d.; P < 0.001)). The increase in corticoid related steroids observed in patients was not observed in mifepristone-treated mice. The increase in progesterone levels was the most significant side effect detected in mifepristone-treated mice after 14 or 21 days of treatment, probably due to an ovarian compensatory effect not observed in postmenopausal patients. We conclude that in future clinical trials using mifepristone, the possibility of lowering the standard daily dose of 200 mg should be considered.
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Department of Oncology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, P R China
The CAS Key Laboratory of Innate Immunity and Chronic Disease, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, P R China
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Tsinghua Berkeley Shenzhen Institute and Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, P R China
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Abstract
It is now apparent that growth hormone (GH), an anterior pituitary hormone predominantly regulating postnatal somatic growth and metabolism, is also expressed in extrapituitary tissues. An extrapituitary synthetic site of GH that has garnered interest is the de novo or enhanced expression of GH in carcinoma or other cancers. In a number of cancers, including carcinoma of the mammary gland, endometrium, liver, prostate, and colon, the expression of GH is independently associated with more advanced clinicopathologic parameters of the cancer. In some of these cancers, tumor human growth hormone (hGH) expression portends worse survival outcomes for patients. Functionally, tumor-derived hGH exerts both autocrine and paracrine functions on carcinoma cells and cancer-associated stroma. Expression of autocrine/paracrine hGH in cancer drives tumor growth, angiogenesis, metastasis, and resistance to therapy by promotion of cancer cell proliferation, survival, epithelial-to-mesenchymal transition, motility, invasion, cancer stem cell-like behavior, and metastasis. Autocrine/paracrine hGH activates oncogenic signaling pathways and specific transcriptome signatures and enhances the expression of an oncogenic secretome to promote these functions. Hence, extrapituitary expression of GH in cancer promotes cancer progression independent of endocrine hGH, and may be considered as a validated target in oncology.