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1.
Heliyon ; 9(8): e19220, 2023 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-37654464

RESUMO

Background: CD200-CD200R plays a critical role in regulating the human tumor microenvironment, but its role in cervical cancer remains unclear. Methods: A total of 62 paraffin blocks of tumor tissues were collected from cervical cancer patients. Expression of CD200 and cathepsin K (CTSK) in cancer tissues and para-cancerous tissues was analyzed by immunohistochemistry. Stably transfected CD200 cells were established in HeLa and SiHa cells. Human THP-1 monocytes were induced to differentiate into M2 macrophages. HeLa and SiHa cells were cultured in conditioned medium from M2 macrophages to observe the effects of CD200-CD200R on invasion, CTSK, p65NF-κB, and cisplatin or paclitaxel sensitivity in cervical cancer cells. HeLa cells were injected to induce xenograft tumors in mice, and a CTSK inhibitor, MK-0822, was used to confirm the regulation of CTSK and paclitaxel sensitivity by CD200-CD200R in vivo. Results: A significant decrease in CD200 and CTSK expression was found in tumor cancer tissues compared with para-cancerous tissues. Only CD200 overexpression did not affect cervical cell invasion, but CD200-CD200R could enhance the cell invasion and resistance to cisplatin or paclitaxel. Meanwhile, expression of CTSK and p-p65NF-κB in cancer cells stably transfected with CD200 was obviously increased after culture in conditioned medium from M2 macrophages compared with transfection with the plasmid control. In vivo, CTSK inhibition significantly suppressed the effects of CD200-CD200R overexpression on the response to paclitaxel by suppressing the CTSK-mediated NF-κB pathway. Conclusions: CD200-CD200R regulates CTSK-mediated NF-κB pathway to affect cisplatin or paclitaxel sensitivity in cervical cancer, which provides a possible immunotherapeutic target and combination strategy for advanced cervical cancer.

2.
Hum Exp Toxicol ; 42: 9603271231171642, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37077025

RESUMO

To explore the potential function of tricin in diabetic retinopathy (DR) and investigate whether Sestrin2 is closely involved in DR. A single intraperitoneal injection of streptozotocin-induced diabetes model in Sprague-Dawley rats and a high glucose-induced retinal epithelial cell model in ARPE-19 cells were established. The retinas were removed and examined by hematoxylin-eosin (HE) staining and dihydroethidium (DHE) staining. The proliferation ability and reactive oxygen species (ROS) level of ARPE-19 cells were detected by 5-ethynyl-2'-deoxyuridine (EdU) and flow cytometry. Then, the content of superoxide dismutase (SOD), malonaldehyde (MDA), and glutathione peroxidase (GSH-Px) in serum or cell supernatant was tested using enzyme linked immunosorbent assay (ELISA). In addition, the expression of Sestrin2, nuclear factor erythroid-2-related factor 2 (Nrf2), heme oxygenase-1 (HO-1), platelet endothelial cell adhesion molecule-1 (CD31), and vascular endothelial growth factor receptor 2 (VEGFR2) in retina tissue or ARPE-19 cells were validated through western blot and immunofluorescence assays. With the increase of MDA and ROS concentration, Sestrin2 expression was downregulated significantly, and Nrf2 and HO-1 expression was also reduced in retina tissue or ARPE-19 cells of model group, whereas CD31 and VEGFR2 expression was upregulated. However, tricin ameliorated the oxidative stress and angiogenesis and rectified the abnormal expression of Sestrin2/Nrf2 in diabetic retinopathy. Further mechanistic studies showed that silence Sestrin2 reduced the protective effect of tricin on ARPE-19 cells, as well as abolished its regulating effect on the Nrf2 pathway. These results suggested that tricin inhibits oxidative stress and angiogenesis in retinal epithelial cells of DR rats via reinforcing Sestrin2/Nrf2 signaling.


Assuntos
Diabetes Mellitus , Retinopatia Diabética , Ratos , Animais , Retinopatia Diabética/metabolismo , Espécies Reativas de Oxigênio/metabolismo , Fator 2 Relacionado a NF-E2/metabolismo , Ratos Sprague-Dawley , Fator A de Crescimento do Endotélio Vascular/metabolismo , Estresse Oxidativo , Heme Oxigenase-1/metabolismo
3.
Tissue Cell ; 82: 102038, 2023 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-36870313

RESUMO

BACKGROUND: Clusterin and transient receptor potential melastatin 2 (TRPM2) play significant roles in acute myocardial infarction (AMI), but their interactions in AMI are unclear. METHODS: Myocardial infarction was induced by ligation of the left anterior descending coronary artery in wild-type C57BL/6J male mice. Infarct size and myocardium pathology were evaluated after 6, 12, and 24 h of ischemia. The expression levels of clusterin and TRPM2 were measured in the myocardium. Furthermore, myocardial infarction was induced in TRPM2 knockout (TRPM2-/-) C57BL/6J male mice to evaluate the expression of clusterin. H9C2 cells with various levels of TRPM2 expression were used to analyze the effects of clusterin under hypoxic conditions. RESULTS: Following AMI, myocardial hypertrophy and TRPM2 expression increased in a time-dependent manner. In contrast, the expression of clusterin decreased in an infarct time-dependent manner. Knockout of TRPM2 protected against myocardial injury and resulted in upregulation of clusterin. In the H9C2 cells, cultured under hypoxic conditions treatment with clusterin or silencing of TRPM2 significantly increased cell viability and decreased TRPM2 expression. Treatment with clusterin protected against TRPM2 overexpression-induced damage in hypoxia-treated H9C2 cells. CONCLUSION: This study characterized the effects of clusterin on TRPM2 in AMI, which may guide development of new treatment strategies for AMI.


Assuntos
Clusterina , Infarto do Miocárdio , Canais de Cátion TRPM , Animais , Masculino , Camundongos , Clusterina/genética , Clusterina/metabolismo , Camundongos Endogâmicos C57BL , Camundongos Knockout , Infarto do Miocárdio/genética , Canais de Cátion TRPM/genética , Canais de Cátion TRPM/metabolismo
4.
Int J Gen Med ; 16: 77-83, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-36636710

RESUMO

Background: This study aimed to explore the clinical predictors of Alagille syndrome (ALGS) in children and to provide a basis for early diagnosis. Methods: We retrospectively analyzed the clinical data of 14 children diagnosed with ALGS at the First People's Hospital of Lianyungang City from March 2016 to March 2021 and followed up the children. Results: Among the 14 patients, 9 (64.28%) had cholestasis, 12 (85.71%) had heart malformations, 13 (92.85%) had characteristic facial features, 2 (14.28%) had pruritus, and 2 (14.28%) had a positive family history. Among the 13 patients who were examined by pediatric ophthalmologists, 3 patients had ocular lesions. Among the 13 patients who underwent spine radiography, 2 had typical butterfly vertebrae. Among the 6 patients with hepatic pathology, 2 had intracellular cholestasis, 2 had reduced or no small bile duct in the portal area, 2 had small bile duct hyperplasia with massive fibrous hyperplasia and extensive inflammatory cell infiltration, and 2 underwent biliary tract exploration. Genetic testing of 12 children with ALGS revealed JAG1 gene mutations in 7 cases and NOTCH2 gene mutations in 2 cases. The abovementioned two mutant genes were not detected in any of the 3 cases. Among the 12 followed-up patients, 7 were in stable condition, 5 underwent liver transplantation, and 1 died of severe pneumonia. Conclusion: Cholestatic liver disease, cardiac malformations, and abnormal facial development are predictors of ALGS in children and can be definitively diagnosed by genetic testing.

5.
Neoplasma ; 70(1): 58-70, 2023 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-36637083

RESUMO

Zerumbone had been verified as a potential anti-cancer agent. Our research aimed to investigate the effect of zerumbone combined with gefitinib in lung cancer. Human pulmonary alveolar epithelial cells (HPAEpiC), A549, and H460 cell lines were used to detect the efficacy of zerumbone. BALB/c nude mice were randomly divided into five groups, including model, gefitinib (Gef, 10 mg/kg), low dose zerumbone (L-Zer, 20 mg/kg), high dose zerumbone (H-Zer, 40 mg/kg), and H-Zer + Gef groups, and the tumor growth in each group was monitored. TdT-mediated dUTP Nick-End Labeling (TUNEL) was used to detect cell apoptosis. Immunohistochemistry (IHC), immunofluorescence, and western blot were used to analyze the protein expressions in tumor tissues. Glutathione (GSH) and malondialdehyde (MAD) were detected by special kits. Zerumbone inhibited the proliferation of lung cancer cells in vitro. Tumor volume and weight were reduced after gefitinib or zerumbone treatment. Gefitinib and zerumbone treatment significantly promoted the apoptosis of tumor cells. The expression of Bcl-2, Bax, and P53 proteins confirmed cell apoptosis. IHC results indicated that zerumbone and gefitinib treatment decreased tumor angiogenesis. Consistent with this result, the expression of EGFR, VEGFR2, and Ki-67 proteins decreased, while the expression of angiostatin and endostatin proteins increased. Interestingly, zerumbone treatment increased the level of MDA while decreasing GSH. Next, the levels of glutathione peroxidase 4 (GPX4) and solute carrier family 7 member 11 (SLC7A11) decreased after zerumbone and gefitinib treatment. Our study suggested that zerumbone combined with gefitinib could effectively inhibit lung cancer for multi-model therapies, including the inhibition of tumor growth, angiogenesis, induce cell apoptosis, and ferroptosis.


Assuntos
Neoplasias Pulmonares , Proteínas Proto-Oncogênicas c-akt , Animais , Humanos , Camundongos , Sistema y+ de Transporte de Aminoácidos , Apoptose , Linhagem Celular Tumoral , Proliferação de Células , Gefitinibe/uso terapêutico , Neoplasias Pulmonares/tratamento farmacológico , Camundongos Nus , Fator de Transcrição STAT3
6.
Hum Exp Toxicol ; 41: 9603271221125928, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-36113040

RESUMO

To elucidate the effect of tricin in cerebral ischemia/reperfusion (I/R) injury and examine its possible underlying mechanisms. Rats were randomly divided into Sham (exposed the right internal carotid arteries), I/R, and tricin (administered at various doses) groups. After the cerebral I/R injury model was established, a Morris water maze test and a tetrazolium chloride assay were performed. Apoptosis and autophagy were assessed in the nerve cells of hippocampus tissue, and the levels of inflammatory markers within animal serum were detected. Proteins related to apoptosis and the PI3K/Akt pathway were evaluated. To further investigate the mechanisms by which tricin affects brain damage, mouse neuroblastoma cells N2a were divided into control, oxygen-glucose deprivation and reoxygenation (OGD/R), tricin, PI3K/Akt activator, and tricin + PI3K/Akt inhibitor groups. The cell viability, apoptosis, inflammatory factors, and PI3K/Akt pathway related proteins in N2a cells were also detected. The results revealed that I/R-induced learning and memory dysfunction was improved by tricin treatment. The area of cerebral infarction, the levels of apoptosis and autophagy in nerve cells, and the serum inflammatory marker content were all decreased following tricin treatment. Additionally, the expression of Beclin-1 protein was downregulated, while the expression of Bcl-2 protein, p-PI3K/PI3K and p-Akt/Akt was upregulated after tricin treatment. Mechanistically, tricin or PI3K/Akt activator ameliorated OGD/R-induced apoptosis, autophagy, and inflammation. However, these effects were reversed following PI3K/Akt inhibitor treatment in OGD/R-induced N2a cells. In summary, this study suggested that tricin can against I/R-induced brain injury by inhibiting autophagy, apoptosis and inflammation, and activating the PI3K/Akt signaling pathway.


Assuntos
Isquemia Encefálica , Traumatismo por Reperfusão , Animais , Apoptose , Autofagia , Proteína Beclina-1 , Isquemia Encefálica/tratamento farmacológico , Isquemia Encefálica/metabolismo , Cloretos/farmacologia , Flavonoides , Glucose/farmacologia , Inflamação/tratamento farmacológico , Camundongos , Neurônios/metabolismo , Oxigênio/metabolismo , Fosfatidilinositol 3-Quinases/metabolismo , Proteínas Proto-Oncogênicas c-akt/metabolismo , Proteínas Proto-Oncogênicas c-bcl-2/metabolismo , Ratos , Traumatismo por Reperfusão/tratamento farmacológico , Traumatismo por Reperfusão/metabolismo
7.
Allergol Immunopathol (Madr) ; 50(5): 162-168, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-36086977

RESUMO

BACKGROUND: Cow's milk protein allergy (CMPA) is an abnormal immune response caused by milk proteins and is most common in infancy and early childhood. Statistics revealed up to 7.5% of children suffered from milk allergy. Its clinical symptoms were characterized by diversity, non-specificity, and can affect multiple systems, including the digestive tract, skin, and respiratory tract. In this study, we aimed to investigate the effects of IL-12, IL-16, and IL-17A on diagnosing and monitoring CMPA in children for clinical treatment. METHODS: A total of 158 infants with CMPA and 89 healthy babies were recruited and evaluated. Demographic and clinical information of all participants were recorded. An extensive analysis of inflammatory cytokine levels, including IL-12, IL-16, and IL-17A, was performed in blood samples from 247 infants younger than 9 months. Meanwhile, the serological specificity immunoglobulin E (sIgE) levels were evaluated. In addition, the area under the curve (AUC) values of IL-12, IL-16, and IL-17A in differentiating CMP from healthy babies were measured by receiver operating characteristic analysis. Finally, the correlation between sIgE and IL-12, IL-16, and IL-17A levels were detected using Spearman correlation analysis. RESULTS: Compared with healthy control, infants who developed CMPA had decreased IL-12, increased IL-16, and IL-17A. Moreover, a significant correlation between serum IL-12, IL-16, IL-17A and sIgE levels was observed in the CMPA group. In addition, AUC values of IL-12, IL-16, and IL-17A in discriminating CMPA from healthy infants were 0.8425, 0.9196, and 0.8813, respectively. Finally, IL-12 was increased while IL-16 and IL-17A levels were decreased in the CMPA group after three months of milk avoidance treatment. CONCLUSIONS: We found that IL-12, IL-16, and IL-17A levels in children with CMPA were associated with SCORAD scores, sIgE levels, and disease severity, functioning as valuable disease-monitor markers in CMPA.


Assuntos
Hipersensibilidade a Leite , Animais , Biomarcadores , Bovinos , Feminino , Humanos , Interleucina-12 , Interleucina-16 , Interleucina-17
8.
BMC Complement Med Ther ; 22(1): 176, 2022 Jul 01.
Artigo em Inglês | MEDLINE | ID: mdl-35778706

RESUMO

BACKGROUND: Luteolin, a flavonoid compound with anti-inflammatory activity, has been reported to alleviate cerebral ischemia/reperfusion (I/R) injury. However, its potential mechanism remains unclear. METHODS: The binding activity of luteolin to peroxisome proliferator-activated receptor gamma (PPARγ) was calculated via molecular docking analysis. Rats were subjected to middle cerebral artery occlusion and reperfusion (MCAO/R). After reperfusion, vehicle, 25 mg/kg/d luteolin, 50 mg/kg/d luteolin, 10 mg/kg/d pioglitazone, 50 mg/kg/d luteolin combined with 10 mg/kg/d T0070907 (PPARγ inhibitor) were immediately orally treatment for 7 days. ELISA, TTC staining, H&E staining, immunohistochemistry, immunofluorescence and transmission electron microscope methods were performed to evaluate the inflammation and autophagy in damaged hippocampal region. The PPARγ, light chain 3 (LC3) B-II/LC3B-I and p-nuclear factor-κB (NF-κB) p65 proteins expression levels in damaged hippocampal region were analyzed. RESULTS: Luteolin showed good PPARγ activity according to docking score (score = - 8.2). Luteolin treatment downregulated the infarct area and the pro-inflammatory cytokines levels caused by MCAO/R injury. Moreover, luteolin administration ameliorated neuroinflammation and autophagy in damaged hippocampal region. Pioglitazone plays protective roles similar to luteolin. T0070907 concealed the neuroprotective roles of 50 mg/kg/d luteolin. CONCLUSIONS: Luteolin exerts neuroprotective roles against inflammation and autophagy of hippocampus induced by cerebral I/R by activating PPARγ in rats.


Assuntos
Isquemia Encefálica , Luteolina , Traumatismo por Reperfusão , Animais , Autofagia/efeitos dos fármacos , Isquemia Encefálica/tratamento farmacológico , Hipocampo/efeitos dos fármacos , Hipocampo/metabolismo , Inflamação/tratamento farmacológico , Luteolina/farmacologia , Simulação de Acoplamento Molecular , PPAR gama/metabolismo , Pioglitazona/farmacologia , Ratos , Reperfusão , Traumatismo por Reperfusão/tratamento farmacológico
9.
Future Med Chem ; 14(8): 535-555, 2022 04.
Artigo em Inglês | MEDLINE | ID: mdl-35286228

RESUMO

Aim: Inducible nitric oxide synthase (iNOS) is a validated target for anti-inflammatory treatment. Based on the authors' previous work, novel aza-ursolic acid derivatives were designed and synthesized and their inhibitory activities against lipopolysaccharide (LPS)-induced nitric oxide (NO) release from RAW264.7 cells was evaluated. Materials & results: 16 novel derivatives were screened for their in vitro inhibitory activity against NO release using Griess assays and the cytotoxicity was evaluated using MTT assays. The presence of furoxan joined to the A-ring of ursolic acid and N-methylpiperazine groups in the lead compound was identified for anti-inflammatory activity, and compound 21b showed 94.96% inhibition of NO release at 100 µM with an IC50 value of 8.58 µM. Conclusion: Compound 21b has potential anti-inflammatory activity with low cytotoxicity that warrants further preclinical study and evaluation.


Assuntos
Óxido Nítrico , Triterpenos , Animais , Macrófagos/metabolismo , Camundongos , Óxido Nítrico/metabolismo , Óxido Nítrico Sintase Tipo II/metabolismo , Células RAW 264.7 , Ácido Ursólico
10.
AAPS PharmSciTech ; 18(4): 1095-1103, 2017 May.
Artigo em Inglês | MEDLINE | ID: mdl-27826799

RESUMO

This study investigated the use of a newly developed chitosan-Ca pectinate microbead formulation for the colon-targeted delivery of anti-A/B toxin immunoglobulin of egg yolk (IgY) to inhibit toxin binding to colon mucosa cells. The effect of the three components (pectinate, calcium chloride, and chitosan) used for the microbead production was examined with the aim of identifying the optimal levels to improve drug encapsulation efficiency, swelling ratio, and cumulative IgY release rate. The optimized IgY-loaded bead component was pectin 5% (w/v), CaCl2 3% (w/v), and chitosan 0.5% (w/v). Formulated beads were spherical with 1.2-mm diameter, and the drug loading was 45%. An in vitro release study revealed that chitosan-Ca pectinate microbeads inhibited IgY release in the upper gastrointestinal tract and significantly improved the site-specific release of IgY in the colon. An in vivo rat study demonstrated that 72.6% of biologically active IgY was released specifically in the colon. These results demonstrated that anti-A/B toxin IgY-loaded chitosan-Ca pectinate oral microbeads improved IgY release behavior in vivo, which could be used as an effective oral delivery platform for the biological treatment of Clostridium difficile infection (CDI).


Assuntos
Proteínas de Bactérias/metabolismo , Toxinas Bacterianas/metabolismo , Quitosana , Infecções por Clostridium/tratamento farmacológico , Colo , Enterotoxinas/metabolismo , Imunoglobulinas , Pectinas , Animais , Antidiarreicos/administração & dosagem , Antidiarreicos/farmacocinética , Materiais Biocompatíveis/química , Materiais Biocompatíveis/farmacologia , Quitosana/química , Quitosana/farmacologia , Colo/efeitos dos fármacos , Colo/microbiologia , Sistemas de Liberação de Medicamentos , Imunoglobulinas/administração & dosagem , Imunoglobulinas/farmacologia , Microesferas , Pectinas/administração & dosagem , Pectinas/farmacocinética , Ratos
11.
Oncol Lett ; 5(3): 1005-1009, 2013 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-23425971

RESUMO

Embelin is a small molecular inhibitor extracted from Myrsinaceae plants that specifically inhibits XIAP, affecting the proliferation and apoptosis of various types of tumor cells. In our previous studies, we have demonstrated that embelin is able to induce the apoptosis of MCF-7 breast cancer cells in a dose-dependent manner. However, its mechanism of action is not yet clear. The purpose of this study was to investigate the involvement of the mitochondrial pathway in embelin-induced apoptosis and the effect of embelin on the cell cycle. Different doses of embelin were added to MCF-7 breast cancer cells and it was found that embelin was able to induce apoptosis of MCF-7 breast cancer cells in a dose- and time-dependent manner. Flow cytometry analysis revealed that embelin caused changes in the MCF-7 cell mitochondrial membrane potential and blocked the cell cycle of MCF-7 cells in the G2/M phase. Moreover, embelin was demonstrated to promote mitochondrial release of cytochrome C via regulation of Bax and Bcl-2, resulting in the activation of caspase-3 and -9, while no significant changes in the level of caspase-8 were observed. The results have demonstrated that embelin-induced apoptosis of MCF-7 breast cancer cells involves the mitochondrial pathway.

12.
Se Pu ; 30(11): 1127-32, 2012 Nov.
Artigo em Chinês | MEDLINE | ID: mdl-23451514

RESUMO

As a kind of recognition molecule, aptamer has been studied and applied widely in numerous science fields in recent years. Immobilized enzymatic reactor has drawn much attention because of its striking advantages, such as high digestion efficiency and ease in coupling with the separation and detection systems. In this study, a novel microfluidic enzymatic chip, which immobilized trypsin based on aptamer, was prepared and proposed. An online analysis platform, which consisted of an aptamer-based chip and high performance liquid chromatography tandem mass spectrometry, was established by using a 6-port valve and applied to protein analysis. The enzymatic capacity and stability performance of chip reactor were characterized by using mixed protein sample, which consisted of bovine serum albumin (BSA), myoglobin (Mb) and cytochrome c (Cyt. c). The sample digestion time of the chip reactor was about 5.76 s while 1 microL/min of flow rate was adopted; and moreover, 5 ng of Mb was identified successfully with the sequence coverage of 37%. Furthermore, the sequence coverages and the relative standard deviations were 44.3% and 6.5% for BSA, 65.0% and 2.7% for Mb, 62.0% and 5.6% for Cyt. c respectively when 500 ng digest of mixed proteins were analyzed in three runs. According to experimental results, the online analysis platform possesses the ability of high sensitivity and good stability, which can provide a promising tool for rapid and high-throughput proteomics study in the near future.


Assuntos
Aptâmeros de Nucleotídeos/química , Cromatografia Líquida de Alta Pressão/métodos , Procedimentos Analíticos em Microchip/métodos , Proteínas/análise , Espectrometria de Massas em Tandem/métodos , Reatores Biológicos , Enzimas Imobilizadas/metabolismo , Proteômica/métodos , Tripsina/química
13.
Toxicology ; 203(1-3): 139-43, 2004 Oct 15.
Artigo em Inglês | MEDLINE | ID: mdl-15363589

RESUMO

Hydroxysafflor yellow A (HSYA) is the main segment of the safflower yellow pigments, and its second clinical study has been approved by the China SFDA for the treatment of brain blood vessel disease. Present studies were conducted to demonstrate the subchronic toxicity of HSYA. Sprague-Dawley (SD) rats were tested by daily intraperitoneal (IP) injection of HSYA at the doses of 180, 60, 20 mg/kg for 90 days. HSYA at high dose of 180 mg/kg and at middle dose of 60 mg/kg (90-day daily injection) induced a prolonged blood coagulation time without influencing the normal blood coagulation process. No animal died from hemorrhaging. The prolonged blood coagulation time was recovered to a normal level on the 28th day after withdrawing the drug. Kidney injury, including round tubular figures and a breaking-off of the tubular epithelium in histological slices under the microscope scenic, was only observed in the rats given by HSYA at 180 mg/kg. HSYA at dose of 180 mg/kg also increases the liver index without an obvious pathological change in liver histological analysis. There was no other organ injury found in this study. In conclusion, 90 days of HSYA treatment at a dose of 180 mg/kg, not at a dose of 60 mg/kg, induces a slight nephrotoxicity.


Assuntos
Chalcona/análogos & derivados , Chalcona/toxicidade , Quinonas/toxicidade , Animais , Contagem de Células Sanguíneas , Análise Química do Sangue , Coagulação Sanguínea/efeitos dos fármacos , Peso Corporal/efeitos dos fármacos , Chalcona/administração & dosagem , Ingestão de Alimentos/efeitos dos fármacos , Injeções Intraperitoneais , Quinonas/administração & dosagem , Ratos , Ratos Sprague-Dawley
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