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Sex differences in kidney and lung status in an animal model of brain death 脑死亡动物模型中肾和肺状态的性别差异
IF 2.2 4区 医学
Clinics Pub Date : 2025-01-01 DOI: 10.1016/j.clinsp.2025.100623
Marina Vidal-dos-Santos , Roberto Armstrong-Jr , Maryna van Zil , Fernanda Yamamoto Ricardo-da-Silva , Lucas Ferreira da Anunciação , Mayara Munhoz de Assis Ramos , Cristiano de Jesus Correia , Petra J. Ottens , Luiz Felipe Pinho Moreira , Henri G.D. Leuvenink , Ana Cristina Breithaupt-Faloppa
{"title":"Sex differences in kidney and lung status in an animal model of brain death","authors":"Marina Vidal-dos-Santos ,&nbsp;Roberto Armstrong-Jr ,&nbsp;Maryna van Zil ,&nbsp;Fernanda Yamamoto Ricardo-da-Silva ,&nbsp;Lucas Ferreira da Anunciação ,&nbsp;Mayara Munhoz de Assis Ramos ,&nbsp;Cristiano de Jesus Correia ,&nbsp;Petra J. Ottens ,&nbsp;Luiz Felipe Pinho Moreira ,&nbsp;Henri G.D. Leuvenink ,&nbsp;Ana Cristina Breithaupt-Faloppa","doi":"10.1016/j.clinsp.2025.100623","DOIUrl":"10.1016/j.clinsp.2025.100623","url":null,"abstract":"<div><h3>Background</h3><div>In transplantation, sex-mismatched procedures correlate with poorer outcomes. Previous research has indicated that females respond worst to Brain Death (BD) and that organ damage varies with the speed of BD induction. The authors aimed to investigate the effects of slow BD-induction on lung and kidney responses in male and female rats.</div></div><div><h3>Methods</h3><div>Males and female rats were subjected to slow induction of BD and kept for 4h. Blood gas samples were taken at 0 h and 4h. At 4 h, blood, urine and tissue samples were collected. IL-1β was measured in plasma, lung homogenate and lung culture. IL-6 was quantified in plasma, lung culture, and kidney homogenate. Leukocyte infiltration/activation was evaluated. Biochemical analyses of creatinine were performed in the plasma. Naïve animals were used as controls.</div></div><div><h3>Results</h3><div>Males presented reduced testosterone levels after 4h. Females presented reduced progesterone, whereas estradiol remained similar at 0 h and 4h. Compared with Naive, BD-groups presented increased plasma IL-1β and IL-6. Males and females presented reduced pO<sub>2</sub> after BD, with females presenting even lower values at 4h. In lung tissue, males presented increased expression of IL-1β, whereas IL-1β was elevated in females in lung culture. Females presented increased cell infiltration/activation. In the kidney, males presented increased plasma creatinine, increased expression of caspase-3, and increased leukocyte migration to renal tissue than females.</div></div><div><h3>Conclusions</h3><div>The authors observed an organ and sex-dependent response to the slow-induction of BD. These results suggest that management strategies should consider the sex of the donor to achieve the best treatment, improving graft quality.</div></div>","PeriodicalId":10472,"journal":{"name":"Clinics","volume":"80 ","pages":"Article 100623"},"PeriodicalIF":2.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143704165","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A study on the intervention of eight-section brocade exercises in combination with comprehensive measures on the physical function status of patients with chronic obstructive pulmonary disease 八段锦操配合综合措施对慢性阻塞性肺疾病患者身体功能状况的干预研究
IF 2.2 4区 医学
Clinics Pub Date : 2025-01-01 DOI: 10.1016/j.clinsp.2024.100536
Jiezhen Li , Yan Lei , Meini Li
{"title":"A study on the intervention of eight-section brocade exercises in combination with comprehensive measures on the physical function status of patients with chronic obstructive pulmonary disease","authors":"Jiezhen Li ,&nbsp;Yan Lei ,&nbsp;Meini Li","doi":"10.1016/j.clinsp.2024.100536","DOIUrl":"10.1016/j.clinsp.2024.100536","url":null,"abstract":"<div><h3>Background</h3><div>Chronic Obstructive Pulmonary Disease (COPD) is a common chronic respiratory disease with a long course and recurrent symptoms, seriously affecting patients' quality of life.</div></div><div><h3>Objectives</h3><div>This study aimed to explore the interventional value of eight-section brocade exercises in combination with comprehensive measures of the physical function status of patients with COPD.</div></div><div><h3>Method</h3><div>This is a retrospective study. A total of 94 COPD patients admitted to the studied hospital were divided into two groups according to different intervention methods. The control group was treated with comprehensive intervention, and the research group received eight-section brocade exercises combined with comprehensive intervention.</div></div><div><h3>Results</h3><div>After an intervention, the research group exhibited longer exercise endurance time (<em>p</em> &lt; 0.05); the modified Medical Research Council (mMRC) scores and quality of life scores in the research group were lower than those in the control group (<em>p</em> &lt; 0.05); sleep quality scores of the research group being lower than those of the control group (<em>p</em> &lt; 0.05); both groups experienced a decrease in adverse emotion scores, with the research group scoring lower than the control group (<em>p</em> &lt; 0.05); the research group achieving better physical function status than the control group (<em>p</em> &lt; 0.05); the nursing efficiency rate and satisfaction rate in the research group was higher than those in the control group (<em>p</em> &lt; 0.05).</div></div><div><h3>Conclusions</h3><div>Eight-section brocade exercises can enhance the exercise endurance of and improve the lung function of COPD patients, which is of great significance for the recovery of patients’ physical function.</div></div>","PeriodicalId":10472,"journal":{"name":"Clinics","volume":"80 ","pages":"Article 100536"},"PeriodicalIF":2.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142871617","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Role of centchroman in regression of fibroadenoma: A 2-arm randomized control trial centchroman在纤维腺瘤消退中的作用:一项两组随机对照试验。
IF 2.2 4区 医学
Clinics Pub Date : 2025-01-01 DOI: 10.1016/j.clinsp.2024.100567
Priyanka Rai , Soniya Nityanand , Amarjot Singh , Sunil Kumar Singh , Neha Singh , Arvind Kumar Singh , Dhananjay Singh
{"title":"Role of centchroman in regression of fibroadenoma: A 2-arm randomized control trial","authors":"Priyanka Rai ,&nbsp;Soniya Nityanand ,&nbsp;Amarjot Singh ,&nbsp;Sunil Kumar Singh ,&nbsp;Neha Singh ,&nbsp;Arvind Kumar Singh ,&nbsp;Dhananjay Singh","doi":"10.1016/j.clinsp.2024.100567","DOIUrl":"10.1016/j.clinsp.2024.100567","url":null,"abstract":"<div><h3>Background</h3><div>Fibroadenomas are common benign breast lumps that can cause anxiety due to malignancy concerns, and Centchroman, a selective estrogen receptor modulator, has shown promise in reducing their size. This study aimed to evaluate the efficacy of Centchroman in reducing fibroadenoma size, mastalgia, anxiety, and depression in affected patients.</div></div><div><h3>Methodology</h3><div>A parallel-arm randomized controlled trial was conducted at a tertiary care Breast Clinic with 104 patients aged 18‒45 years having fibroadenomas ≤ 3 cm. Group A received Centchroman (30 mg on alternate days) and Group B received a placebo for 12 weeks. The primary outcome was fibroadenoma volume reduction measured by ultrasound, while secondary outcomes included reductions in mastalgia and improvements in anxiety and depression (HADS scores).</div></div><div><h3>Results</h3><div>Both groups showed fibroadenoma volume reduction over 12-weeks, with a greater reduction in the intervention group (3.67 ± 1.65 cm<sup>3</sup> to 2.29 ± 1.04 cm<sup>3</sup>) than the control group (3.12 ± 1.16 cm<sup>3</sup> to 2.73 ± 0.78 cm<sup>3</sup>), though the difference was not statistically significant (p = 0.342 and p = 0.781). However, 28.8 % of the intervention group experienced over 50 % volume reduction compared to 13.5 % in the control group (p = 0.007). Mastalgia significantly improved in the intervention group (VAS: 5.76 ± 2.13 to 2.24 ± 0.93, p = 0.023), with minimal improvement in controls. Anxiety and depression scores significantly decreased in the intervention group, with anxiety dropping from 9 to 5 and depression from 6 to 4 (p = 0.001).</div></div><div><h3>Conclusion</h3><div>Centchroman effectively reduces fibroadenoma size especially those with multiple fibroadenoma, mastalgia, and psychological distress in patients with fibroadenoma.</div></div>","PeriodicalId":10472,"journal":{"name":"Clinics","volume":"80 ","pages":"Article 100567"},"PeriodicalIF":2.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11732600/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142892644","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Descriptive study of claims in primary care during the year 2022 in a health area of Spain 对西班牙某卫生地区2022年初级保健索赔的描述性研究。
IF 2.2 4区 医学
Clinics Pub Date : 2025-01-01 DOI: 10.1016/j.clinsp.2024.100546
María F. Velázquez-López , María García-Pérez , Montserrat Souto-Pereira , Juan M. Vazquez-Lago
{"title":"Descriptive study of claims in primary care during the year 2022 in a health area of Spain","authors":"María F. Velázquez-López ,&nbsp;María García-Pérez ,&nbsp;Montserrat Souto-Pereira ,&nbsp;Juan M. Vazquez-Lago","doi":"10.1016/j.clinsp.2024.100546","DOIUrl":"10.1016/j.clinsp.2024.100546","url":null,"abstract":"<div><h3>Background</h3><div>Primary Health Care (PHC) plays a pivotal role in the healthcare system as the initial point of contact for users and patients. In the healthcare area, claims are presented and managed through a web app. It also enables systematic analysis of emerging information to drive continuous improvement. The present objective was to describe the complaints filed at PHC in 2022.</div></div><div><h3>Methods</h3><div>A cross-sectional study was conducted, examining complaints filed by patients in 2022. For inclusion of the complaints, it was established that it had to do with the treatment received by healthcare personnel and that was presented through the web app. Complaint texts signaling dissatisfaction with the information received were subjected to qualitative coding.</div></div><div><h3>Results</h3><div>The study involved 326 users who submitted a total of 358 complaints specifically related to treatment and information. The average age of the participants was 33.5 ± 16.2 years, and the majority were women (72.4 %, <em>n =</em> 236). In 2022, the Cumulative Incidence (CCI) was 55.2 complaints per 100,000 healthcare act and the Complaint Incidence Rate (CIR), defined as the number of complaints/1000 users/year, was 6.5. The prevalence of complaints related to information was 12.4 %. The main reasons for complaints about information were issues related to communication with the patient (79 %), followed by the patient's disagreement with the techniques applied by healthcare staff (17 %).</div></div><div><h3>Conclusions</h3><div>Results show us the fundamental characteristics of complaints in primary care with respect to the information received by health professionals, not allowing us to know where the authors can influence through interventions or training actions to try to improve.</div></div>","PeriodicalId":10472,"journal":{"name":"Clinics","volume":"80 ","pages":"Article 100546"},"PeriodicalIF":2.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11650260/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142766847","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Infiltration of micro-fragmented adipose tissue under local anesthesia for knee osteoarthritis treatment is a safe procedure: A case series 局部麻醉下微碎片脂肪组织浸润治疗膝骨关节炎是一种安全的方法:一个病例系列。
IF 2.2 4区 医学
Clinics Pub Date : 2025-01-01 DOI: 10.1016/j.clinsp.2024.100527
Bruno Butturi Varone, Daniel Peixoto Leal, Daniel Duarte Perini, Vitor Penteado Figueiredo Pagotto, Riccardo Gomes Gobbi, Marco Kawwamura Demange
{"title":"Infiltration of micro-fragmented adipose tissue under local anesthesia for knee osteoarthritis treatment is a safe procedure: A case series","authors":"Bruno Butturi Varone,&nbsp;Daniel Peixoto Leal,&nbsp;Daniel Duarte Perini,&nbsp;Vitor Penteado Figueiredo Pagotto,&nbsp;Riccardo Gomes Gobbi,&nbsp;Marco Kawwamura Demange","doi":"10.1016/j.clinsp.2024.100527","DOIUrl":"10.1016/j.clinsp.2024.100527","url":null,"abstract":"<div><h3>Introduction</h3><div>Knee osteoarthritis is a debilitating disease that has been increasing in prevalence, especially due to the aging population and rising incidence of obesity. Biological therapies (orthobiologics) have emerged, demonstrating efficacy in improving functional scores, including the injection of microfragmented Adipose Tissue (mFAT). The purpose of this study is to evaluate the safety of adipose tissue harvesting and mFAT injection under local anesthesia.</div></div><div><h3>Materials/methods</h3><div>A case series involving 34 patients who underwent adipose tissue collection from the abdomen under local anesthesia, without sedation, in a sterile environment, and who received the infiltration of microfragmented adipose tissue after single-time preparation, using a fat washing and microfragmentation kit.</div></div><div><h3>Results</h3><div>Evaluation was performed at the time of the procedure and after 7 days of follow-up. Only ecchymosis (76.5 %) and mild discomfort at the harvested site (70.6 %), as well as mild discomfort at the infiltrated knee (61.8 %), were identified. No major adverse events were identified.</div></div><div><h3>Conclusion</h3><div>The harvesting and injection of mFAT under local anesthesia is safe, with no major adverse events identified during this procedure.</div></div>","PeriodicalId":10472,"journal":{"name":"Clinics","volume":"80 ","pages":"Article 100527"},"PeriodicalIF":2.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11655688/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142779538","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thrombin generation indices and Wells score predict pulmonary embolism in patients with acute exacerbation of chronic obstructive pulmonary disease
IF 2.2 4区 医学
Clinics Pub Date : 2025-01-01 DOI: 10.1016/j.clinsp.2025.100582
Linjie Luo , Dan Zheng , Li Da, Jian Cheng, Yirui Cao, Na Wang
{"title":"Thrombin generation indices and Wells score predict pulmonary embolism in patients with acute exacerbation of chronic obstructive pulmonary disease","authors":"Linjie Luo ,&nbsp;Dan Zheng ,&nbsp;Li Da,&nbsp;Jian Cheng,&nbsp;Yirui Cao,&nbsp;Na Wang","doi":"10.1016/j.clinsp.2025.100582","DOIUrl":"10.1016/j.clinsp.2025.100582","url":null,"abstract":"<div><h3>Objective</h3><div>This study investigated the predictive value of thrombin generation indices and Wells score in the development of Pulmonary Embolism (PE) in patients with Acute Exacerbation of Chronic Obstructive Pulmonary Disease (AECOPD).</div></div><div><h3>Methods</h3><div>160 patients who were admitted for AECOPD and underwent CT Pulmonary Arteriography (CTPA) were collected. Among them, a total of 62 cases were diagnosed with PE as the AECOPD with PE group, and the other 98 cases were not diagnosed with PE as the AECOPD group. The general data, past history and combined basic diseases, laboratory tests and other related clinical data of the two groups were compared, and the data collected were statistically analyzed to explore the diagnostic indexes that can predict PE in AECOPD.</div></div><div><h3>Results</h3><div>History of venous thromboembolism, <span>d</span>-Dimer as well as Endogenous Thrombin Potential (ETP), Activated Partial Thromboplastin Time (APTT) coagulation indices, and Wells score was significantly higher in the AECOPD with PE group than in the AECOPD group, and Time to Peak (ttpeak), Albumin (ALB) and total protein were lower than those in the AECOPD group. The Wells score had a positive correlation with ETP and APTT and a negative correlation with ttpeak, which were all independent risk factors for PE in AECOPD. The Wells score had the best efficacy in predicting the occurrence of PE in patients with AECOPD with a cutoff value of 4.62.</div></div><div><h3>Conclusion</h3><div>Significant correlations were found between the thrombin generation indices (ETP, APTT and ttpeak) and the Wells score, which can also be used for early diagnosis of PE in patients with AECOPD.</div></div>","PeriodicalId":10472,"journal":{"name":"Clinics","volume":"80 ","pages":"Article 100582"},"PeriodicalIF":2.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143511496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Magnetic resonance-guided focused ultrasound for uterine fibroids
IF 2.2 4区 医学
Clinics Pub Date : 2025-01-01 DOI: 10.1016/j.clinsp.2025.100603
Pedro Felipe Magalhães Peregrino, Marcos de Lorenzo Messina, José Maria Soares Júnior, Edmund Chada Baracat
{"title":"Magnetic resonance-guided focused ultrasound for uterine fibroids","authors":"Pedro Felipe Magalhães Peregrino,&nbsp;Marcos de Lorenzo Messina,&nbsp;José Maria Soares Júnior,&nbsp;Edmund Chada Baracat","doi":"10.1016/j.clinsp.2025.100603","DOIUrl":"10.1016/j.clinsp.2025.100603","url":null,"abstract":"<div><h3>Introduction</h3><div>The uterine leiomyoma is a pelvic solid tumor more frequent in women. The Magnetic Resonance-Guided Focused Ultrasound (MRgFUS) is a technique aimed at diminishing hypermenorrhagia and dysmenorrhea in symptomatic women.</div></div><div><h3>Objective</h3><div>To show the effects subsequent to MRgFUS application on symptoms, quality of life, and myoma volume in symptomatic women.</div></div><div><h3>Methods</h3><div>Fifty-two patients with symptomatic uterine myomas underwent MRgFUS followed by clinical evaluation, pelvis MRI, and administration of the UFS-QoL questionnaire at 6 months and 12 months to detect symptom improvements and decrease in myoma volume.</div></div><div><h3>Results</h3><div>The mean myoma volume decreased 24 % after 6 months and 42 % after 12 months. The mean score on the UFS-QoL questionnaire increased 54 % after 6 months and 81 % after 12 months. There were no serious complications. Four patients had first-degree burns. No infection cases were reported. Two patients progressed to a myomectomy by surgical hysteroscopy and one of them underwent total hysterectomy 11 months after the MRgFUS treatment.</div></div><div><h3>Conclusion</h3><div>This case series suggests that MRgFUS therapy is viable and effective in reducing symptoms and improving the life quality of symptomatic patients.</div></div>","PeriodicalId":10472,"journal":{"name":"Clinics","volume":"80 ","pages":"Article 100603"},"PeriodicalIF":2.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143534556","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
mtDNA deletion m.8753_16566 with < 10 % heteroplasmy in muscle and isolated complex-V dysfunction misinterpreted as chronic fatigue syndrome over 21-years
IF 2.2 4区 医学
Clinics Pub Date : 2025-01-01 DOI: 10.1016/j.clinsp.2025.100604
Josef Finsterer , Ana C. Fiorini , Fulvio A. Scorza , Carla A. Scorza
{"title":"mtDNA deletion m.8753_16566 with < 10 % heteroplasmy in muscle and isolated complex-V dysfunction misinterpreted as chronic fatigue syndrome over 21-years","authors":"Josef Finsterer ,&nbsp;Ana C. Fiorini ,&nbsp;Fulvio A. Scorza ,&nbsp;Carla A. Scorza","doi":"10.1016/j.clinsp.2025.100604","DOIUrl":"10.1016/j.clinsp.2025.100604","url":null,"abstract":"","PeriodicalId":10472,"journal":{"name":"Clinics","volume":"80 ","pages":"Article 100604"},"PeriodicalIF":2.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143563154","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
RBBP4 downregulation increases the sensitivity of A549 and HeLa cells to cisplatin by inhibiting cyclin D1 expression
IF 2.2 4区 医学
Clinics Pub Date : 2025-01-01 DOI: 10.1016/j.clinsp.2025.100637
Zhiyu Zeng , Meiqing Mai , Dandan Wang , Jie Ouyang , Zhiru Chen , Jingjing Zhong , Jinjun Rao
{"title":"RBBP4 downregulation increases the sensitivity of A549 and HeLa cells to cisplatin by inhibiting cyclin D1 expression","authors":"Zhiyu Zeng ,&nbsp;Meiqing Mai ,&nbsp;Dandan Wang ,&nbsp;Jie Ouyang ,&nbsp;Zhiru Chen ,&nbsp;Jingjing Zhong ,&nbsp;Jinjun Rao","doi":"10.1016/j.clinsp.2025.100637","DOIUrl":"10.1016/j.clinsp.2025.100637","url":null,"abstract":"<div><h3>Introduction</h3><div>Retinoblastoma-Binding Protein 4 (RBBP4), belonging to the WD-40 family, is an important member of the Polycomb Repressor Complex 2 (PRC2), the Nucleosome Remodeling and Deacetylation complex (NuRD), and is involved in chromatin remodeling, histone deacetylation, and H3K27 methylation.</div></div><div><h3>Methods</h3><div>The effects of cisplatin treatment on cell viability were evaluated using the MTT assay. Western blotting was employed to analyze protein expression, and RNA interference-mediated knockdown of RBBP4 and cyclin D1 was conducted using Lipofectamine 2000. The formation of colonies was evaluated following a 14-day cisplatin treatment period. Cisplatin uptake was quantified by atomic absorption spectrophotometry. RNA sequencing was conducted on total RNA extracted from cells, and lentiviral vectors were employed for gene overexpression, followed by puromycin selection. Immunohistochemistry was performed on tissue microarrays of lung and cervical adenocarcinoma in order to evaluate RBBP4 expression.</div></div><div><h3>Results</h3><div>In this study, cisplatin was found to induce RBBP4 expression in human lung cancer A549 cells, and RBBP4 expression in cisplatin-resistant A549/DDP cells was significantly higher than in A549 cells. Downregulating RBBP4 expression by small interfering RNA significantly increased the sensitivity of A549 and A549/DDP cells to cisplatin. Conversely, lentiviral-mediated RBBP4 overexpression reduced sensitivity to cisplatin. Mechanistic studies showed that downregulated RBBP4 increased cell sensitivity to cisplatin mainly by inhibiting cyclinD1 expression, and lentiviral-mediated cyclinD1 caused the opposite effects. These same results were verified in human HeLa cells and in cisplatin-resistant HeLa/DDP cells.</div></div><div><h3>Discussion</h3><div>This study showed that RBBP4 regulates the sensitivity of tumor cells to cisplatin and is a potential target for reversing cisplatin resistance in tumor cells.</div></div>","PeriodicalId":10472,"journal":{"name":"Clinics","volume":"80 ","pages":"Article 100637"},"PeriodicalIF":2.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143768263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Corrigendum to “Exploration of the mechanism underlying the therapeutic effect of electroacupuncture at chengshan acupoint on post-hemorrhoidectomy anal pain: Insights from the mAChRs/IP3-Ca2+-CaM signaling pathway” [CLINSP 79 (2024) 10048] “电针成山穴治疗痔疮术后肛门疼痛的机制探讨:来自mAChRs/IP3-Ca2+-CaM信号通路的见解”[CLINSP 79(2024) 10048]。
IF 2.2 4区 医学
Clinics Pub Date : 2025-01-01 DOI: 10.1016/j.clinsp.2024.100568
Yang Song , Yang Wang , Ming Li , Yujuan Wang , Tianshu Xu
{"title":"Corrigendum to “Exploration of the mechanism underlying the therapeutic effect of electroacupuncture at chengshan acupoint on post-hemorrhoidectomy anal pain: Insights from the mAChRs/IP3-Ca2+-CaM signaling pathway” [CLINSP 79 (2024) 10048]","authors":"Yang Song ,&nbsp;Yang Wang ,&nbsp;Ming Li ,&nbsp;Yujuan Wang ,&nbsp;Tianshu Xu","doi":"10.1016/j.clinsp.2024.100568","DOIUrl":"10.1016/j.clinsp.2024.100568","url":null,"abstract":"","PeriodicalId":10472,"journal":{"name":"Clinics","volume":"80 ","pages":"Article 100568"},"PeriodicalIF":2.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11761927/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142945850","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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