Sílvio César Perini, Jeanne Louise Fernandes Jesus, Alessandro Batista Soares, Rosane Angélica Ligabue, Luiz Carlos Bodanese
{"title":"Preclinical evaluation of the functionality of a polymer-coated sirolimuseluting stent in pigs.","authors":"Sílvio César Perini, Jeanne Louise Fernandes Jesus, Alessandro Batista Soares, Rosane Angélica Ligabue, Luiz Carlos Bodanese","doi":"10.1590/acb397324","DOIUrl":"https://doi.org/10.1590/acb397324","url":null,"abstract":"<p><strong>Purpose: </strong>To compare the endothelial coverage of different stents in porcine carotid arteries. Research problem: How effective are polyurethane stents (PU) and PU + rapamycin (PU + RAPA) compared to bare-metal stents on endothelial coverage by neointima in pigs after 28 days?</p><p><strong>Methods: </strong>The methodology had two phases for an interventional, experimental, prospective study, with three Moura pigs, 12 weeks old and weighing between 19 and 22.5 kg. In phase I, eight stents were implanted in carotid arteries; three stents coated with PU, three coated with PU + RAPA, and two without coating. After 28 days, phase II was carried out, consisting of euthanasia, removal of the stents, to evaluate the exposed area of the stent struts, and the percentage of endothelialization through optical microscopy and scanning electron microscopy.</p><p><strong>Results: </strong>The eight stents implanted with ultrasound sizing and post-dilation with a larger diameter balloon were analyzed by Doppler ultrasound, intravascular ultrasound, and angiography after 28 days.</p><p><strong>Conclusions: </strong>This study showed complete endothelial coverage by the endoluminal neointima of the stent struts, good integration and coverage with the arterial wall, with no exposed struts showing the presence of intimal hyperplasia (whitish tissue).</p>","PeriodicalId":93850,"journal":{"name":"Acta cirurgica brasileira","volume":"39 ","pages":"e397324"},"PeriodicalIF":0.0,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11384970/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142303148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Fernando Sabia Tallo, Marcelo Pires-Oliveira, Marianne Yumi Nakai, Lucas Antonio Duarte Nicolau, Jand Venes Rolim Medeiros, Flávia de Sousa Gehrke, Murched Omar Taha, Afonso Caricati-Neto, Francisco Sandro Menezes-Rodrigues, Simone de Campos Vieira Abib
{"title":"Use of etomidate in endotracheal intubations in the emergency room during the COVID-19 pandemic: a randomized clinical trial.","authors":"Fernando Sabia Tallo, Marcelo Pires-Oliveira, Marianne Yumi Nakai, Lucas Antonio Duarte Nicolau, Jand Venes Rolim Medeiros, Flávia de Sousa Gehrke, Murched Omar Taha, Afonso Caricati-Neto, Francisco Sandro Menezes-Rodrigues, Simone de Campos Vieira Abib","doi":"10.1590/acb395724","DOIUrl":"10.1590/acb395724","url":null,"abstract":"<p><strong>Purpose: </strong>Shock, cardiovascular problems, and respiratory failure constitute the main causes of death in patients cared in medical emergency rooms. Patients commonly require orotracheal intubation (OTI), a fact that has been intensified by diseases that generate important and fatal hemodynamic and respiratory problems in the affected patient.</p><p><strong>Methods: </strong>Although etomidate (ETO) is a highly used anesthetic for OTI, its use remains controversial in several scenarios. Some studies refer to an increase in mortality with its use in critically patients, while others do not refer to a difference. Therefore, we evaluated the mortality of patients submitted to OTI in the public hospital of a public federal university, with the use of ETO and other sedative-hypnotic drugs used in the induction of the performance of OTI, with the in-hospital mortality of patients cared in hospital.</p><p><strong>Results: </strong>The results demonstrate that the use of ETO as a hypnotic for OTI in the emergency room is not associated with a significant difference in morbidity or early mortality, within 30 days of hospitalization, compared with other hypnotics.</p><p><strong>Conclusions: </strong>There was no difference in mortality between patients intubated in the emergency department who used ETO and those who used non-ETO hypnotic within 72 hours and 30 days.</p>","PeriodicalId":93850,"journal":{"name":"Acta cirurgica brasileira","volume":"39 ","pages":"e395724"},"PeriodicalIF":0.0,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11383194/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142303149","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nuket Özkavruk Eliyatkın, Akif İşlek, Selim Durmaz, Fevzi Ayyıldız, Ömer Rahman
{"title":"Can adalimumab prevent from acute effects of lipopolysaccharide induced renal injury in rats?","authors":"Nuket Özkavruk Eliyatkın, Akif İşlek, Selim Durmaz, Fevzi Ayyıldız, Ömer Rahman","doi":"10.1590/acb394624","DOIUrl":"10.1590/acb394624","url":null,"abstract":"<p><strong>Purpose: </strong>Lipopolysaccharides is well-known in the acute renal injury process. It causes widespread activation of inflammatory cascades. Tumor necrosis factor (TNF)-α and interleukin (Il)-6 are essential proinflammatory cytokines that can induce the production of other cytokines in host response. Adalimumab suppresses TNF-α, IL-1β, and IL-6. We aimed to evaluate whether adalimumab would prevent the toxicity of lipopolysaccharide on the rat renal tissue.</p><p><strong>Methods: </strong>Adult female Wistar rats were divided into four groups. To the control group, only intraperitoneal saline injection procedure was carried out. For adalimumab group, adalimumab was injected at a dose for two days. For lipopolysaccharide group, animals were injected with lipopolysaccharide (a dose). For lipopolysaccharide-adalimumab group, animals were given adalimumab treatment before the injection of lipopolysaccharide. Histopathological changes and immunohistochemical analysis for TNF-α and IL-6 were determined.</p><p><strong>Results: </strong>The pathological changes and immunohistochemical staining for TNF-α or IL-6 were similar for control and adalimumab groups (p > 0.05). The lipopolysaccharide group had significantly higher distorted features in the renal tissues (p < 0.001), and also significantly prominent immunohistochemical staining for TNF-α or IL-6 (0.003), compared to the control group. No severe pathological feature was detected in the lipopolysaccharide-adalimumab group, but moderate necrosis was found in all cases (p = 0.003). TNF-α staining and IL-6 staining in the lipopolysaccharide group was found to significantly prominent compared to lipopolysaccharide-adalimumab group (p = 0.013).</p><p><strong>Conclusions: </strong>Because of its anti-inflammatory property, adalimumab pretreatment may have protective effects on experimental kidney injury. Adalimumab could be considered as a protective agent to acute effects of lipopolysaccharide induced renal injury.</p>","PeriodicalId":93850,"journal":{"name":"Acta cirurgica brasileira","volume":"39 ","pages":"e394624"},"PeriodicalIF":0.0,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11368208/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142127581","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Improvement effect of compound Ento-PB on oxazolone-induced ulcerative colitis in rats.","authors":"Zhi Fan, Jinhu Chen, Jia Wei, ZhiBin Yang, Huai Xiao, Heng Liu","doi":"10.1590/acb395524","DOIUrl":"10.1590/acb395524","url":null,"abstract":"<p><strong>Purpose: </strong>To investigate the impact of the Chinese medicine compound Ento-PB on oxazolone (OXZ)-induced ulcerative colitis (UC) in rats.</p><p><strong>Methods: </strong>UC rats induced by OXZ were treated with Ento-PB. The damage to the colon was assessed using several measures, including the disease activity index (DAI), colon length, colon weight/length ratio, colonic mucosal damage index, and histological score. The levels of interleukin-4 (IL-4), interleukin-10 (IL-10), interleukin-13 (IL-13), epidermal growth factor (EGF), inducible nitric oxide synthase, and total nitric oxide synthase (tNOS) in rat serum, as well as the levels of tumor necrosis factor-α (TNF-α) and myeloperoxidase (MPO) in rat colon tissue, were determined using enzyme-linked immunosorbent assay and conventional kits.</p><p><strong>Results: </strong>After being treated with Ento-PB, the DAI score and macroscopic lesion score of OXZ-induced UC rats were significantly reduced. Ento-PB prevented the shortening of rat colons, reduced the ratio of colon weight to length, and improved colon tissue lesions. Meanwhile, Ento-PB could significantly inhibit the activities of proinflammatory cytokines TNF-α, IL-13, and MPO, as well as tNOS and iNOS, while upregulating the expression of anti-inflammatory cytokines IL-4 and IL-10. Moreover, a significant increase in the expression level of EGF was observed in UC rats treated with Ento-PB, indicating that Ento-PB could enhance the repair of damaged intestinal epithelial tissue.</p><p><strong>Conclusions: </strong>Ento-PB demonstrates significant anti-UC activities in OXZ-induced UC rats by regulating the expression levels of inflammatory factors and promoting the repair of colon tissue. This study provides scientific evidence to support the further development of Ento-PB.</p>","PeriodicalId":93850,"journal":{"name":"Acta cirurgica brasileira","volume":"39 ","pages":"e395524"},"PeriodicalIF":0.0,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11368207/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142127582","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gábor Martis, Renáta Laczik, Norbert Németh, Gabriella Martis, László Damjanovich
{"title":"Bilateral rectus muscle turning-over for complicated and eventrated abdominal wall hernias: results of a novel method.","authors":"Gábor Martis, Renáta Laczik, Norbert Németh, Gabriella Martis, László Damjanovich","doi":"10.1590/acb393624","DOIUrl":"10.1590/acb393624","url":null,"abstract":"<p><strong>Purpose: </strong>We present a technique for covering large midline loss of abdominal wall using a novel method by autologous tissues.</p><p><strong>Methods: </strong>Twenty-two patients (body mass index = 35,6 ± 6,9 kg/m2) were involved in the prospective cohort study. Acute and elective cases were included. The gap area was 450.1 ± 54 cm2. The average width of the midline gap was 16,3 ± 3,2 cm. The rectus muscles were mobilized from its posterior sheath. Both muscles were turned by180º medially, so that the complete abdominal wall gap could be covered without considerable tension. Changes in intra-abdominal pressure, quality of life and hernia recurrency were determined.</p><p><strong>Results: </strong>There was no significant increase in the intra-abdominal pressure. Wound infection and seroma occurred in four cases. Bleeding occurred in one case. Pre- and post-operative quality of life index significantly improved (23 ± 13 vs. 47 ± 6; p = 0,0013). One recurrent hernia was registered. The procedure could be performed safely and yielded excellent results. The method was applied in acute cases. The intact anatomical structure of rectus muscles was essential.</p><p><strong>Conclusions: </strong>The midline reconstruction with bilateral turned-over rectus muscles provided low tension abdominal wall status, and it did not require synthetic mesh implantation.</p>","PeriodicalId":93850,"journal":{"name":"Acta cirurgica brasileira","volume":"39 ","pages":"e393624"},"PeriodicalIF":0.0,"publicationDate":"2024-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11328894/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142019828","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gisely de Andrade Costa Pereira, André Luiz Oliveira Poleto, Aldo José Fontes-Pereira, Marco Antônio von Krüger, Wagner Coelho de Albuquerque Pereira
{"title":"Ultrasonic neuromodulation as a new therapy for spasticity in an animal model of spastic cerebral palsy.","authors":"Gisely de Andrade Costa Pereira, André Luiz Oliveira Poleto, Aldo José Fontes-Pereira, Marco Antônio von Krüger, Wagner Coelho de Albuquerque Pereira","doi":"10.1590/acb394924","DOIUrl":"10.1590/acb394924","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to evaluate a new therapeutic option for the spasticity using ultrasound neuromodulation in an animal model of spastic cerebral palsy.</p><p><strong>Methods: </strong>Thirty-two adult male Wistar rats were randomly distributed in: negative control (NC); positive control (PC); untreated model (UTM); and treated model (TM). Rats in the control groups received sham surgery, and rats in the model groups received the spastic cerebral palsy model surgery. The rats' motor functions were evaluated by the Rotarod and CatWalk tests before and after surgery. PC and TM groups underwent ultrasonic neuromodulation by a physiotherapeutic ultrasound (intensity 0.1 W/cm2, at 1 MHz) continuous mode for 5 seconds, for seven days.</p><p><strong>Results: </strong>Twelve rats showed a spastic pattern (UTM = 6 and TM = 6), motor limitations (UTM = 6 and TM = 6), and ten had difficulty feeding (UTM = 5 and TM = 5). One UTM group rat could not recover its preoperative latency time, while the other rats in the model groups did. The speed at which the limbs swung reduced after surgery and increased in subsequent assessments, demonstrating greater instability and a deficit in locomotion balance.</p><p><strong>Conclusions: </strong>Results were not yet sufficient to assert ultrasound neuromodulation as a possible therapy for spasticity in spastic cerebral palsy in the parameters used, and more studies are necessary.</p>","PeriodicalId":93850,"journal":{"name":"Acta cirurgica brasileira","volume":"39 ","pages":"e394924"},"PeriodicalIF":0.0,"publicationDate":"2024-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11328892/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142019829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Rafaela Batista Coutinho, Wilza Arantes Ferreira Peres, Tatiana Pereira de Paula
{"title":"Association between preoperative fasting time and clinical outcomes in surgical patients in a private general hospital.","authors":"Rafaela Batista Coutinho, Wilza Arantes Ferreira Peres, Tatiana Pereira de Paula","doi":"10.1590/acb394524","DOIUrl":"10.1590/acb394524","url":null,"abstract":"<p><strong>Purpose: </strong>Surgical patients are routinely subjected to long periods of fasting, a practice that can exacerbate the metabolic response to trauma and impair postoperative recovery. The aim of this study was to evaluate the association between preoperative fasting time and clinical outcomes in surgical patients.</p><p><strong>Methods: </strong>An observational, prospective study with a non-probabilistic sample that included patients of both sexes, aged over 18, undergoing elective surgeries. Data were extracted from electronic medical records, and a questionnaire was applied in 48 hours after surgery. Variables related to postoperative discomfort were assessed using an 11-point numeric rating scale.</p><p><strong>Results: </strong>The sample consisted of 372 patients, and the duration of the surgical event ranged from 30-680 minutes. The incidence of nausea (26.34%) was twice that of vomiting (13.17%) and showed an association with the surgical procedure's size (p = 0.018). A statistically significant difference was observed only between pain intensity and preoperative fasting times for liquids (p = 0.007) and postoperative fasting time (p = 0.08). The occurrence of postoperative complications showed no association with preoperative fasting time (p = 0.850).</p><p><strong>Conclusions: </strong>Although no association was observed between preoperative fasting time and surgical complications, it is noteworthy that both recommended and actual fasting time exceeded the proposed on clinical guidelines.</p>","PeriodicalId":93850,"journal":{"name":"Acta cirurgica brasileira","volume":"39 ","pages":"e394524"},"PeriodicalIF":0.0,"publicationDate":"2024-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11328893/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142019827","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Protective function of albiflorin against ferroptosis in exhaustive exerciseinduced myocardial injury via the AKT/Nrf2/HO-1 signaling.","authors":"Zhuang Tian, Zhenyu Li","doi":"10.1590/acb393524","DOIUrl":"10.1590/acb393524","url":null,"abstract":"<p><strong>Purpose: </strong>It has been reported that exhaustive exercise (EE) causes myocyte injury, and eventually damages the function of the myocardia. Albiflorin (AF) has anti-inflammatory, antioxidant, and anti-apoptosis effects. In this study, we determined whether AF could mitigate the EE-induced myocardial injury and research the potential mechanisms.</p><p><strong>Methods: </strong>The rat model of EE was built by forced treadmill running method. Rats were intraperitoneally injected with AF before EE once daily for one week. The relative factors levels were examined by commercial kits. The apoptosis was appraised using a TdT-mediated dUTP nick end labeling assay kit. The ACSL4, GPX4, Nrf2, pAKT/AKT, and HO-1 contents were assessed by western blot.</p><p><strong>Results: </strong>AF lessened EE-induced cardiac myocytes ischemic/hypoxic injury and reduced the contents of myocardial injury biomarkers in the serum. AF lessened EE-induced cardiac myocyte apoptosis, inflammatory response, oxidative stress, and ferroptosis in myocardial tissues. However, the influences of AF were overturned by the co-treatment of AF and LY294002. AF activated the AKT/Nrf2/HO-1 signaling pathway in myocardial tissues in vivo.</p><p><strong>Conclusions: </strong>AF could curb cardiac myocytes ferroptosis, thus diminishing the EE-induced myocardial injury through activating the AKT/Nrf2/HO-1 cascade.</p>","PeriodicalId":93850,"journal":{"name":"Acta cirurgica brasileira","volume":"39 ","pages":"e393524"},"PeriodicalIF":0.0,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11321502/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141977447","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A neural cell automated analysis system based on pathological specimens in a gerbil brain ischemia model.","authors":"Eri Katsumata, Abhishek Kumar Ranjan, Yoshihiko Tashima, Takayuki Takahata, Toshiyuki Sato, Motoaki Kobayashi, Masami Ishii, Toyomi Takahashi, Asahi Oda, Momoko Hirano, Yoji Hakamata, Kazuhisa Sugai, Eiji Kobayashi","doi":"10.1590/acb394224","DOIUrl":"10.1590/acb394224","url":null,"abstract":"<p><strong>Purpose: </strong>Amid rising health awareness, natural products which has milder effects than medical drugs are becoming popular. However, only few systems can quantitatively assess their impact on living organisms. Therefore, we developed a deep-learning system to automate the counting of cells in a gerbil model, aiming to assess a natural product's effectiveness against ischemia.</p><p><strong>Methods: </strong>The image acquired from paraffin blocks containing gerbil brains was analyzed by a deep-learning model (fine-tuned Detectron2).</p><p><strong>Results: </strong>The counting system achieved a 79%-positive predictive value and 85%-sensitivity when visual judgment by an expert was used as ground truth.</p><p><strong>Conclusions: </strong>Our system evaluated hydrogen water's potential against ischemia and found it potentially useful, which is consistent with expert assessment. Due to natural product's milder effects, large data sets are needed for evaluation, making manual measurement labor-intensive. Hence, our system offers a promising new approach for evaluating natural products.</p>","PeriodicalId":93850,"journal":{"name":"Acta cirurgica brasileira","volume":"39 ","pages":"e394224"},"PeriodicalIF":0.0,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11321503/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141977645","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jannyely Moreira Neri, Paula Emília Apolônio Siqueira, Ana Luiza Cabral de Sá Leitão Oliveira, Renata Mendonça Araújo, Raimundo Fernandes de Araújo Júnior, Agnes Andrade Martins, Isabelle de Lima Marques, Rafaela Alcindo Silva, Aurigena Antunes de Araújo, Fabrício Gava Menezes
{"title":"Anticancer, anti-inflammatory and analgesic activities of aminoalcohol-based quinoxaline small molecules.","authors":"Jannyely Moreira Neri, Paula Emília Apolônio Siqueira, Ana Luiza Cabral de Sá Leitão Oliveira, Renata Mendonça Araújo, Raimundo Fernandes de Araújo Júnior, Agnes Andrade Martins, Isabelle de Lima Marques, Rafaela Alcindo Silva, Aurigena Antunes de Araújo, Fabrício Gava Menezes","doi":"10.1590/acb395124","DOIUrl":"10.1590/acb395124","url":null,"abstract":"<p><strong>Purpose: </strong>Bioactive molecules are relevant to fight cancer and associated conditions. Quinoxaline is a privileged N-heterocycle, notably as anticancer agents. Herein, we report the evaluation of the quinoxaline derivatives DEQX and OAQX as anticancer agents, as well as in function of their anti-inflammatory and analgesic activities.</p><p><strong>Methods: </strong>Quinoxalines were synthesized and tested as anticancer agents based on cell viability and Annexin V-FITC apoptosis. Anti-inflammatory activity was evaluated from mouse carrageenan peritonitis and levels of interleukin (IL)-1β and tumor necrosis factor (TNF)-alfa for enzyme-linked immunosorbent assay. Hot-plate and acetic acid-induced writing test were employed to investigate analgesia.</p><p><strong>Results: </strong>Both reduced the Ht-29 cell viability in a dependent-concentration manner (p < 0.001). Total apoptosis was detected for cells treated with 12.5 and 25 µg/mL of both the compounds for 24 and 48 h (all doses, p < 0.0001). DEQX (all doses, p < 0.01) and OAQX (all doses, p < 0.001) acted in leukocyte migration and decreased the IL-1β and TNF-β levels (p < 0.05). DEQX (all doses, p < 0.05) and OAQX (5mg/kg, p < 0.001) showed peripheral analgesic effect.</p><p><strong>Conclusions: </strong>In-vitro and in-vivo results suggest that these quinoxalines are promising for application in pharmacological area due to their anticancer, anti-inflammatory, and peripheric analgesia.</p>","PeriodicalId":93850,"journal":{"name":"Acta cirurgica brasileira","volume":"39 ","pages":"e395124"},"PeriodicalIF":0.0,"publicationDate":"2024-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11299385/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141899089","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}