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BACKGROUND: The involvement of the vagus nerve in the supraspinal neural circuits that control the urinary bladder function, especially during pathological conditions, became increasingly evident. However, the role of brainstem areas in these circuits is not studied yet. METHODS: In the present study, using c-fos immunohistochemistry, the roles of the vagus nerve to the responses of the reticular formation to cystometry in cyclophosphamide-treated rats were investigated. RESULTS: Cyclophosphamide treatment significantly increased the c-fos expression in the lateral reticular nucleus (LRt), lateral paragigantocellular nucleus (LPGi), caudal part of the ventrolateral reticular nucleus (CVL), and gigantocellular reticular nucleus (Gi) following cystometry. However, cyclophosphamide treatment didn't have significant effect on c-fos expression in ventrolateral reticular nucleus (VL), rostral part of VL (RVL), raphe pallidus nucleus (RPa), and raphe obscurus nucleus (Rob). Vagotomy significantly demolished the effect of cyclophosphamide in the LRt and LPGi areas without having any significant effect on other reticular formation areas. Whereas, in comparison to normal animals, the vagotomised animals didn't show any significant changes in c-fos expression. CONCLUSION: The results of this study demonstrate the involvement of the reticular formation areas, particularly the ventral part, in processing urinary bladder function under cystitis condition. It also demonstrates the contribution of the vagus nerve in these processes.
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Background: Overexpression of deoxythymidylate kinase (DTYMK) has been associated with more aggressiveness and pathological behaviors in hepatocellular carcinoma (HCC) and non-small cell lung cancer (NSCLC). However, the expression of DTYMK and its prognostic significance in colorectal cancer (CRC) patients are yet unknown. The goal of this study was to investigate the DTYMK immunohistochemistry reactivity in CRC tissues and to see how it correlated with various histological and clinical features as well as survival. Methods: Several bioinformatics databases and two tissue microarrays (TMAs) of 227 cases were used in this study. Immunohistochemistry assay was used to study the protein expression of DTYMK. Results: Based on the GEPIA, UALCAN, and Oncomine databases, DTYMK expression has increased in tumor tissues at both RNA and protein levels in colorectal adenocarcinoma (COAD) compared to normal tissues. A high DTYMK H-score was found in 122/227 (53%) of the cases, whereas a low DTYMK H-score was found in 105/227. The age at diagnosis (P = 0.036), stage of the disease (P = 0.038), and site of origin (P = 0.032) were all linked to a high DTYMK H-score. Patients with high level of DTYMK had bad overall survival. Interestingly, high DTYMK protein level was associated with PSM2 (P = 0.002) and MSH2 (P = 0.003), but not with MLH2 or MSH6. Conclusion: This is the first study to cover the expression and prognostic significance of DTYMK in CRC. DTYMK was upregulated in CRC and could be considered as a prognostic biomarker.
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In 2017, our tertiary hospital-based imaging practice transitioned from score-based peer review to the peer learning methodology for learning and improvement. In our subspecialized practice, peer learning submissions are reviewed by domain experts, who then provide feedback to individual radiologists, curate cases for group learning sessions, and develop associated improvement initiatives. In this paper, we share lessons learned from our abdominal imaging peer learning submissions with the assumption that trends in our practice likely mimic others', and hope that other practices can avoid future errors and elevate the level of the quality of their own performance. Adoption of a nonjudgmental and efficient method to share peer "learning opportunities" and "great calls" has increased participation in this activity and increased transparency into our practice, thus allowing for visualization of trends in performance. Peer learning allows us to bring our own individual knowledge and practices together for group review in a collegial and safe environment. We learn from each other and decide how to improve together.
Subject(s)
Peer Review , Radiologists , Humans , Clinical Competence , Quality Assurance, Health CareABSTRACT
Myositis ossificans of the chest wall is extremely unusual with fewer than a dozen reported cases. In addition, the occurrence in children younger than 10 years is extremely rare. We report a case of an 8-year-old male who presented with painful and progressively enlarging left-sided chest wall mass. The tumor showed close histo-morphological mimicry with osteosarcoma. Moreover, the characteristic radiographic findings of myositis ossificans were absent. The age of the patient and the absence of attachment to the rib helped exclude extra-skeletal and parosteal osteosarcomas, respectively. The patient was doing well 4 months after surgery.
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BACKGROUND: Currently, over half of drug overdose deaths are due to opioids. Opioid alternatives may be prescribed to help curb the opioid epidemic. However, little is known about their efficacy for acute postoperative pain. METHODS: We studied patients who underwent low-risk outpatient surgery. Perioperatively, all patients were started on an anti-inflammatory bundle consisting of multimodal pain remedies. Opioids were available to the patients postoperatively. Pain scores and opioid use were recorded. RESULTS: Over 18 months, 120 patients underwent low-risk outpatient surgery and all used the anti-inflammatory bundle. All patients had a significant decrease in postoperative pain scores (p = 0.001). There was no significant difference in postoperative pain scores between those who followed the anti-inflammatory bundle alone and those who also used opioids (mean 2.2 vs 3.1/10). Twenty-five (21%) patients were using opioids preoperatively and 50 (42%) postoperatively. Of those using opioids preoperatively, six (24%) patients used the anti-inflammatory bundle alone and avoided opioids postoperatively. CONCLUSIONS: For 58% of our patients, an anti-inflammatory bundle alone provided adequate pain control after a low-risk outpatient operation, such as hernia repair. Our practice uses the anti-inflammatory bundle for all patients. Our goal is to reduce both the need for opioids and the surgeon's contribution to the opioid epidemic.
Subject(s)
Analgesics, Opioid , Opioid-Related Disorders , Humans , Analgesics, Opioid/adverse effects , Outpatients , Opioid-Related Disorders/drug therapy , Pain, Postoperative/drug therapy , Pain, Postoperative/prevention & control , Anti-Inflammatory Agents/therapeutic useABSTRACT
EGF-containing fibulin-like extracellular matrix protein 1 (EFEMP1) has been associated to a variety of malignancies. Because EFEMP1 can act as both a tumor suppressor and an oncogene, this study aimed to evaluate the expression of EFEMP1 at mRNA and protein in breast cancer and to ascertain the diagnostic and prognostic value of EFEMP1 in relation to clinical features of breast cancer. Several bioinformatics websites such as GEPIA and Oncomine databases were used to analyze the mRNA level of EFEMP1. Immunohistochemistry assay was used to detect EFEMP1 immunoexpression using tissue microarray (TMA) and clinical breast cancer samples. EFEMP1 was shown to be overexpressed in breast cancer in some study cohorts while being low expressed in others. In TMA, 86 patients (39.1%) with a high H-score and 134 patients (60.9%) with a low H-score had EFEMP1 positive for breast cancer. While HER2 breast cancer and normal breast tissues had the lowest expression of EFEMP1, it was shown to be highly expressed in Luminal B, A, and TNBC. EFEMP1 H-score is associated with tumor stage and indicates poor overall survival in breast cancer. EFEMP1 H-score was high in the clinical tumor tissues compared with adjacent normal tissue (n = 20), therefore, it would to be a sensitive biomarker for breast cancer. EFEMP1 is a key indicator for assessing the clinical prognosis and diagnosis of patients with breast cancer, as evidenced by the higher expression of EFEMP1 in tumor tissue compared to normal tissue and its association with poor overall survival.
Subject(s)
Breast Neoplasms , Extracellular Matrix Proteins , Humans , Female , Prognosis , Immunohistochemistry , Extracellular Matrix Proteins/genetics , Extracellular Matrix Proteins/metabolism , Breast Neoplasms/diagnosis , RNA, Messenger/geneticsABSTRACT
Cancer therapy has evolved from being broadly directed towards tumor types, to highly specific treatment protocols that target individual molecular subtypes of tumors. With the ever-increasing data on imaging characteristics of tumor subtypes and advancements in imaging techniques, it is now often possible for radiologists to differentiate tumor subtypes on imaging. Armed with this knowledge, radiologists may be able to provide specific information that can obviate the need for invasive methods to identify tumor subtypes. Different tumor subtypes also differ in their patterns of metastatic spread. Awareness of these differences can direct radiologists to relevant anatomical sites to screen for early metastases that may otherwise be difficult to detect during cursory inspection. Likewise, this knowledge will help radiologists to interpret indeterminate findings in a more specific manner.
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Inflammatory pseudotumors are benign lesions that are rarely reported in the head and neck. Moreover, intraosseous inflammatory pseudotumors of the maxilla are extremely rare, with less than 10 cases reported. A 52-year-old woman presented with recurrent dental infections; computed tomography scan of the osteolytic maxillary bone lesion and incisional biopsy were performed. Histopathological examination revealed that the lesion was composed of fascicles of fibroblasts and myofibroblasts, in addition to sheets of plasma cells, lymphocytes, and occasional other inflammatory cells. An infiltrative growth pattern was observed. Immunohistochemical staining confirmed an inflammatory pseudotumor. A partial maxillectomy was performed. There was no evidence of recurrence during the 4-month follow-up period. Inflammatory pseudotumors should be considered when treating destructive maxillary lesions. Immunohistochemical staining was performed to confirm polyclonal plasma cell proliferation.
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BACKGROUND: Predicting the behavior of bladder cancer by easy noninvasive methods and with less cost is needed. Fibulin-3 (EFEMP1), a glycoprotein of the extracellular matrix that is encoded by the gene EFEMP1, has been nominated as one of the potential mediators of muscle invasion in bladder cancer. METHODS: In this tissue microarray-based immunohistochemical study, fibulin-3 level of expression was evaluated using a semiquantitative scoring system and was correlated with patient's age and sex and tumor grade and stage. RESULTS: A total of 160 urothelial carcinoma cases were analyzed. The age of the patients ranged from 25 to 91 years (mean, 60.15; SD, 11.60). Fibulin-3 was significantly associated with muscle invasion and overall tumor stage (p = 0.033 and 0.02, respectively). Fibulin-3 expression was nonsignificantly associated with tumor grade (p = 0.092) CONCLUSIONS: We found that the expression of fibulin-3 is significantly associated with muscle invasion in urinary bladder urothelial carcinoma. However, the prognostic role of fibulin-3 needs further investigations.
Subject(s)
Calcium-Binding Proteins , Carcinoma, Transitional Cell , Extracellular Matrix Proteins , Urinary Bladder Neoplasms , Adult , Aged , Aged, 80 and over , Calcium-Binding Proteins/biosynthesis , Calcium-Binding Proteins/metabolism , Carcinoma, Transitional Cell/metabolism , Carcinoma, Transitional Cell/pathology , Extracellular Matrix Proteins/metabolism , Female , Humans , Male , Middle Aged , Neoplasm Invasiveness , Urinary Bladder Neoplasms/metabolism , Urinary Bladder Neoplasms/pathologyABSTRACT
Novel anticancer agents have replaced conventional chemotherapy as first line agents for many cancers, with continued new and expanding indications. Small molecule inhibitors act on cell surface or intracellular targets and prevent the downstream signaling that would otherwise permit tumor growth and spread. Anticancer antibodies can be directed against growth factors or may be immunotherapeutic agents. The latter act by inhibiting mechanisms that cancer cells use to evade the immune system. Hormonal agents act by decreasing levels of hormones that are necessary for the growth of certain cancer cells. Cancer therapy protocols often include novel anticancer agents and conventional chemotherapy used successively or in combination, in order to maximize survival and minimize morbidity. A working knowledge of anti-cancer drug classification will aid the radiologist in assessing response on imaging.
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Objective: The COVID-19 pandemic uncovered innovative approaches in medical education. Modifications are needed to overcome the drawbacks of pure online teaching. Our study aimed at testing a hybrid method of live online practical anatomy sessions in which an element of face-to-face teacher-student interaction is maintained. Methods: We performed an experiment with a one-group design in which medical and medical laboratory sciences students were taught different practical anatomy topics using either purely online or live in front of students teaching sessions (LISTS). Students' performance and perceptions were quantitatively assessed. Results: For 108 medical laboratory sciences students, the mean quiz scores were significantly higher for the topics taught by the LISTS approach (p = 0.025). For two groups of 13 and 17 medical students, the performance in exams was significantly higher for the topics taught using the LISTS method (p = 0.000 and 0.011, respectively) with large effect sizes. Students' perceptions of preference, enjoyment, and satisfaction were all in favor of LISTS. Conclusions: Our results confirmed that keeping at least a minimum of interaction between the teacher and students can have a significant improvement in the performance and engagement in practical anatomy sessions for health professionals. The results indicate that the extra effort of LISTS was worth it.
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SUMMARY: The shift to online learning due to the COVID-19 pandemic sheds light on the need for innovative approaches to medical education, making it more interactive and effective. Histology is a challenging subject because it is known to be image intensive. In this study, we compared two methods of online teaching of practical histology: an interactive method using the Poll Everywhere Audience Response System and a traditional method without the use of Poll Everywhere. We performed a randomized controlled crossover trial. One hundred and forty students were divided into two groups. The first group was taught using the interactive method and the second group was taught using the traditional method. Each group was then taught using the other method for a second subject. Students' performance and preferences were assessed using tests and questionnaires. The examination scores were significantly higher for Poll Everywhere group. All students' responses were overwhelmingly in favor of the use of Poll Everywhere, with regard to their engagement, enjoyment, and morphology understanding, in addition to the applicability of the interactive approach. Interactive sessions of practical histology using applications such as Poll Everywhere can be an effective way to increase students' engagement, enjoyment, and knowledge retention during distance learning.
RESUMEN: El cambio al aprendizaje en línea debido a la pandemia de COVID-19 determinó la necesidad de enfoques innovadores para lograr que este método de educación médica sea más interactivo y efectivo. La histología es un tema desafiante debido a que se considera intensivo en imágenes. En este estudio, comparamos dos métodos de enseñanza en línea, en clases de laboratorio de histología: un método interactivo con el uso de Poll Everywhere Audience Response System y un método tradicional sin el uso de Poll Everywhere. Realizamos un ensayo cruzado (crossover) controlado aleatorio. Se dividieron cientocuarenta estudiantes en clases de laboratorio de histología en línea interactivas o tradicionales. Luego, a cada grupo se le asignó el segundo método para un segundo tema. El rendimiento y las preferencias de los estudiantes se evaluaron mediante pruebas y cuestionarios. Los puntajes de las pruebas fueron significativamente más altos para los grupos de Poll Everywhere, y las respuestas de los estudiantes fueron a favor de usar Poll Everywhere en lo que respecta a su participación, agrado y comprensión de la morfología como también del enfoque interactivo. Las clases de laboratorio de histología interactivas que utilizan aplicaciones como Poll Everywhere pueden ser una forma eficaz de impulsar la interacción de los estudiantes durante el aprendizaje a distancia.
Subject(s)
Humans , Male , Female , Young Adult , Students, Medical/psychology , Education, Distance/methods , COVID-19 , Histology/education , Quarantine , Surveys and Questionnaires , PandemicsABSTRACT
StAR-related lipid transfer domain containing proteins (STARD3) are a group of proteins that contain a steroidogenic acute regulatory protein-related lipid transfer domain. Breast cancer (BC) has been linked to the STARD3 gene. In this study, we sought to confirm the relationship of STARD3 protein expression with clinicopathological characteristics and BC molecular subtypes. Using tissue microarray, we examined the STARD3 protein expression in 200 BC tissues and 20 normal breast tissues. Higher protein expression of STARD3 was found in tumor tissues than normal tissues. One hundred and fifty-two (69.1%) of the 200 cases tested positive for STARD3 (high H-score), while seventy (30.9%) had a low STARD3 H-score. When STARD3 is present, its expression ranges from mild to strong. STARD3 H-score was strongly linked to human epidermal growth factor receptor 2 (HER2)-positive (p < 0.001) and estrogen receptor (ER)-positive (p < 0.009) patients, but not to triple-negative BC patients. STARD3 high H-score was associated with histological grade and tumor size. No significant associations were found with stage of the disease, pathological stage or node status. Our research revealed that STARD3 levels were higher in tissues from malignant BC, and it was associated with HER2 and ER, suggesting that it might be utilized as a marker for BC.
Subject(s)
Breast Neoplasms , Triple Negative Breast Neoplasms , Female , Humans , Breast Neoplasms/genetics , Breast Neoplasms/pathology , Carrier Proteins/genetics , Lipids , Receptor, ErbB-2/genetics , Receptor, ErbB-2/metabolism , Receptors, Progesterone/metabolismABSTRACT
Background: Coronavirus disease 2019 (COVID-19) pandemic and its associated precautionary measures have substantial impacts not only on the medical, economic, and social context but also on psychological health. This study aimed to assess the obsession toward COVID-19 preventive measures among undergraduate medical students during the early phase of the pandemic in Jordan. Methods: Online questionnaires were distributed between March 16, 2020 and March 19, 2020. Socio-demographic characteristics were collected, and self-reported obsession toward COVID-19 preventive measures was assessed using a single question.COVID-19 knowledge, risk perception, and precautionary measures were evaluated using scales. Using the chi-square test, Student t-test, and one-way ANOVA, we assessed the differences in the obsession of students with socio-demographic characteristics and scores of the scales. Results: A total of 1,404 participants (60% were female participants) completed the survey with a participation rate of 15.6%. Obsession with preventive measures was reported by 6.8%. Obsession was significantly more common among women (9.2%) than men (3.3%) and students who attended COVID-19 lectures (9.5%) than those who did not attend such lectures (5.8%) (p < 0.001 and p = 0.015, respectively). Obsessed participants reported significantly higher levels of COVID-19 knowledge (p = 0.012) and precautionary measures (p < 0.001). COVID-19 risk perception had a mild effect size difference but with no statistical significance (p = 0.075). There were no significant differences in the academic levels of participants (p = 0.791) and universities (p = 0.807) between students who were obsessed and those who were not. Conclusions: Obsession is one of the significant but unspoken psychological effects of COVID-19 precautionary measures among undergraduate medical students. Medical schools should be equipped with means to handle pandemic psychological effects.
Subject(s)
COVID-19 , Students, Medical , Female , Health Knowledge, Attitudes, Practice , Humans , Jordan/epidemiology , Male , Obsessive Behavior , Pandemics , SARS-CoV-2 , Self ReportABSTRACT
BACKGROUND: Teaching histology as an image-intensive discipline is a major challenge to medical teachers. We compared knowledge retention and student preference after performing comparison-based and traditional methods of teaching practical histology. METHODS: We performed a crossover randomized controlled trial. Eighty nine first-year and 37 second-year medical students were randomly assigned to comparison-based or traditional classes in which PowerPoint slides were used. Each teaching approach was then switched to another group for a second tissue set. Quantitative assessment was performed using multiple-choice questions and a questionnaire. RESULTS: The first-year students' overall examination scores were significantly higher in the comparison-based approach compared to the traditional approach for both tissue sets, with a large effect size. Interestingly, even for the second-year students, a significantly higher overall score for one set of tissue samples was observed in the comparison-based approach compared to the traditional approach. The students' responses to all the elements in the questionnaire were significantly in favor of the comparison-based approach. CONCLUSION: Our findings indicate that the simple implementation of a few histopathology examples can yield a tremendous improvement in first-year medical students' understanding, enjoyment, and engagement in practical histology classes.
Subject(s)
Education, Medical, Undergraduate/methods , Histology/education , Microscopy/methods , Cross-Over Studies , Humans , Learning , TeachingABSTRACT
The cross talk between external genitalia and urinary bladder could be used as part of management to certain pathological conditions affecting urinary bladder. Since urinary bladder function is also affected by pathologies of other organs (e.g., colon and esophagus), the effect of genitalia stimuli on parameters of bladder function in normal or under different pathological conditions needs to be characterized. Cystometry recordings in male rats were used to examine the effect of low-threshold (LT) and high-threshold (HT) stimulation of the scrotum and penis on urinary bladder function. These effects were studied in intact, colon irritation (CI), and esophagus irritation (EI) groups. Although HT penile stimulation had a significant inhibitory effect on micturition reflex in all groups, CI hypersensitized the penile-bladder inhibitory reflex. In addition, LT penile stimulation had a significant inhibitory effect on micturition, which was significant in CI group only. On the other hand, HT penile stimulation in CI group significantly increased the timing parameters of cystometry. Whereas LT and HT penile stimuli in EI group had a significantly increasing effect on all pressure parameters of cystometry. The scrotal stimuli had minimal effect on bladder function in all groups except for HT scrotal stimulation in the CI group, where it had a significant inhibitory effect on micturition reflex and significantly increased the maximum pressure and pressure amplitude of micturition cycles. These results show that CI and EI exacerbate the effects of genitalia stimuli, especially penile stimuli, on urinary bladder function.
Subject(s)
Penis/innervation , Reflex , Scrotum/innervation , Urinary Bladder/innervation , Urination , Urodynamics , Acetic Acid/pharmacology , Animals , Colon/drug effects , Colon/innervation , Esophagus/drug effects , Esophagus/innervation , Male , Physical Stimulation , Pressure , Rats, WistarABSTRACT
StAR related lipid transfer domain containing 3 (STARD3) gene has been reported to be co-amplified with human epidermal growth factor receptor 2 (HER2) in breast carcinoma. STARD3 is necessary for cholesterol transfer and metabolism in tumor cells. The possible role played by STARD3 as a diagnostic and prognostic biomarker was investigated in breast cancer (BC). Data mining was performed using several bioinformatics websites to investigate the correlation of STARD3 with BC and its molecular subtypes, and conventional PCR was used to detect the STARD3 mRNA levels in a panel of BC cell lines. STARD3 was overexpressed in BC more than the other types of cancer. The results also showed that STARD3 expression was significantly associated with HER2+ BC tumors and BC cell lines, and low STARD3 mRNA and protein expression levels were observed in estrogen receptor-positive (ER+) and triple-negative BC (TNBC) patients. Moreover, high STARD3 expression levels predicted worse overall survival (OS), relapse-free survival (RFS) and disease metastasis-free survival (DMFS) in BC, and HER2+ BC. Notably, low expression of STARD3 was associated with poor OS in ER+ BC. Our findings suggest that STARD3 may have strong diagnostic and prognostic value for HER2+ breast carcinoma.
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OBJECTIVES: Endometrial carcinomas (EC) are the most common gynecological malignancies and are conventionally divided into type I and type II due to diagnostic and prognostic considerations. Female hormone expression in EC is extensively studied; however, data about androgen receptor (AR) expression in EC are sparse. We aimed to study AR expression in different types of EC at our institute and whether it had an impact on patient outcomes. METHODS: A retrospective analysis of EC cases diagnosed and treated from 2010-2019. AR immunohistochemical expression was tested in 52 EC cases (type I = 40; type II = 12). Histological typing was verified according to conventional diagnostic criteria. Only primary EC were included without neoadjuvant therapy. Histologic score was calculated as: stain intensity (graded 0-3) × positive cells percentage (graded 0-4). Level of expression was scored from 0 to 12. RESULTS: The mean age of the selected patients was 60.3 years (range = 31-88 ± 12.6). Recurrence was detected in 11 (21.2%) patients. The outcome was 40 patients were alive without disease, eight alive with disease, three dead of disease, and one dead of other causes. About 62.5% of type I-EC and 25.0% of type II-EC were AR positive. AR expression was analyzed against different clinicopathological parameters including: type (p = 0.005), histotype (p = 0.044); grade (p = 0.035); age group (p = 0.207); menopause (p = 0.086); estrogen receptor (ER) expression (p = 0.284); atypical complex hyperplasia (p = 0.594); tumor stage (p = 0.994); tumor recurrence (p = 0.530); node status (p = 0.110); and outcome (p = 0.202). CONCLUSION: AR expression was higher in type I EC, endometrial endometrioid carcinoma histotype, and with a lower grade. AR expression was not significantly correlated with age, stage, ER, atypical hyperplasia, recurrence, node status, or outcome. Results agree with recent literature that AR expression is associated with better-differentiated EC and may be a potential hormonal therapeutic tool.
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Proteasome a highly sophisticated systems that alter protein structure and function. Proteasome 26S Subunit, Non-ATPase (PSMD) genes have been implicated in several types of malignancies. This is the first study to look at how proteasomal subunits are expressed in patients with bladder urothelial carcinoma (BLCA). BLCA was used to evaluate the predictive value of PSMD genes (PSMD1 to PSMD12) in relation to clinicopathological characteristics. PSMD genes' expression patterns at the mRNA level were analyzed using a variety of bioinformatics methods, including gene expression profile integrative analysis (GEPIA), Oncomine, TCGA, and Gene expression Omnibus (GEO) databases. The GEPIA and TCGA dataset survival plot functions were used to assess the prognostic significance of PSMD genes. PSMD2, PSMD3, PSMD4, PSMD8, and PSMD11 genes were significantly overexpressed in BLCA compared with normal bladder tissues. PSMD2 and PSMD8 were significantly overexpressed in BLCA more than other types of cancer. High level of PSMD2 and PSMD8 predicted shorter overall (OS) and progression free survival (PFS) in BLCA patients. High level of PSMD2 was significantly associated with elder age (P < .001), female gender (P = .014), tumor grade (P < .001), and metastasis (P = .003). PSMD2 has been shown to be an independent predictor for OS in BLCA patients based on univariate and multivariate analysis (P < .001). Overall, according to this study, PSMD2 and PSMD8 could be served as a prognostic biomarker for BLCA patients.