Maria Claudia Santos-Silva

• PhD
• Professor (Full) at Universidade Federal de Santa Catarina

Background Chalcones have been described in the literature as promising antineoplastic compounds. Objectives Therefore, the objective of this study was to analyze the cytotoxic effect of 23 synthetic chalcones on human acute leukemia (AL) cell lines (Jurkat and K562). Methods Cytotoxicity assessment was performed using the 3‐(4,5‐dimethylthiazol‐...

Invasive Breast Carcinoma (IBC) is a heterogeneous group of tumours with varying responses to treatment. Proteins such as Cytokeratin 19 (CK19) play a crucial role in the prognostic evaluation of...

Myeloid leukemias and lymphomas are among the most common and well-studied hematological malignancies. However, due to the aggressiveness and rapid progression of certain subtypes, treating these diseases remains a challenge. Considering the promising results of diethyldithiocarbamates in preclinical and clinical oncology trials, this study aimed t...

A pesquisa científica é uma oportunidade de contribuir para sociedade, cumprindo as propostas, objetivos e metas do ensino superior, sendo estas; ensino, pesquisa e extensão. Assim sendo, o ensino deve estar intrínseco à pesquisa e à extensão e orientada para o estudo e a busca de soluções para as questões práticas do dia-a-dia do meio em que vive...

Background In view of the scientific gap in knowledge of the involvement of the B-cell compartment and clinical prognostic in SARS-CoV-2 infection, this work aims to evaluate the B-cell subsets and the presence of specific IgM and IgG, as well as neutralizing antibodies against SARS-CoV-2, in unvaccinated patients diagnosed with COVID-19. Methods...

Coronavirus disease 2019 (COVID‐19) is a respiratory tract infection caused by the new severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2). An adequate T cell response is essential not only for fighting disease but also for the creation of immune memory. Thus, the present study aims to evaluate the T cells of patients with moderate, severe...

Aims: Mucormycosis is a rare and aggressive fungal infection with a high mortality rate because of its rapidly progressive and destructive nature. The oral cavity is often affected under opportunistic conditions. We report a 34-year-old woman diagnosed with acute myeloid leukemia complained of slight swelling on the right side of her face with too...

Auranofin is a thioredoxin reductase-1 inhibitor originally approved for the treatment of rheumatoid arthritis. Recently, auranofin has been repurposed as an anticancer drug, with pharmacological activity reported in multiple cancer types. In this study, we characterized transcriptional and genetic alterations associated with auranofin response in...

Objetivos O linfoma de Burkitt (LB) é uma neoplasia linfoide de células B maduras do centro germinativo. Devido à agressividade dessa doença, o tratamento deve ser iniciado rapidamente, a fim de evitar o acometimento do sistema nervoso central (SNC). Assim, apesar da inovação da indústria farmacêutica, essa doença possui altas taxas de recidiva e m...

A 40-year-old male ex-smoker and ex-drug user was referred to a hospital dentistry service presenting enlargement in the face with few months of evolution. Upon physical examination, a red and bleeding tumor measuring 3.0 × 2.5 cm was observed on the posterior lower alveolar ridge extending to the right buccal mucosa. Two incisional biopsies were p...

The complex aging process, associated with changes in the immune system, triggers an increased risk of disease. In the elderly, genetic instabilities with DNA damage can induce cancer development and, consequently, a causal relationship with increased mortality. A review article addresses pre-existing clinical conditions associated with a cancer di...

O complexo processo de envelhecimento, associado a alterações no sistema imunológico, desencadeia um aumento do risco de doenças. Em idosos, instabilidades genéticas com dano ao DNA podem induzir o desenvolvimento de câncer e, consequentemente, uma relação causal com aumento da mortalidade. Este artigo de revisão aborda tópicos sobre condições clín...

Coronavirus disease 2019 (COVID‐19) is a respiratory infection caused by severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) and marked by an intense inflammatory response and immune dysregulation in the most severe cases. In order to better clarify the relationship between peripheral immune system changes and the severity of COVID‐19, thi...

Multiple myeloma (MM) is a clonal plasma cell malignancy that remains incurable to date. Thus, the aims of this study were to evaluate the involvement of the NF‐κB and PI3K/Akt/mTOR pathways in the cytotoxicity of stypoldione, an o‐quinone isolated from the brown algae Stypopodium zonale, in MM cells (MM1.S). The cytotoxic effect was evaluated in M...

RESUMO Objetivo: avaliar os aspectos clínico-epidemiológicos de pacientes com carcinoma epidermóide de boca e orofaringe atendidos em um Hospital Universitário. Métodos: Foi realizado um estudo epidemiológico descritivo, transversal e retrospectivo dos casos de carcinoma de boca diagnosticados no período de janeiro/2013 a dezembro/2018, por meio da...

The Ki-67 antigen is a nuclear protein with proven prognostic value in different neoplasms and recognizes the predictive value in breast cancer (BC). No consensus exists on the ideal cutoff point. In this study, Ki-67 expression was evaluated in samples of BC by flow cytometry (FC) and compared with immunohistochemical (IHC) examination. For this,...

This study aimed to describe the prevalence of invasive breast cancer (IBC) in women assisted in a public hospital in Brazil and to establish a correlation between two models of classification by immunophenotypes, one of them based on the 13th St. Gallen Conference classification and the other on biomarker-defined subtypes based on HER2 and oestrog...

Background and aims Laboratory diagnosis of breast cancer (BC) is done by morphological analysis and immunohistochemistry (IHC). However, this methodology still has some limitations. The aim of this study is to validate flow cytometry (FC) immunophenotyping to investigate diagnostic and prognostic markers of BC. Methods: Tumor samples from surgical...

Objetivo: avaliar os aspectos clínico-epidemiológicos dos pacientes com carcinoma epidermóide de boca e orofaringe atendidos em um Hospital Universitário. Métodos: estudo descritivo dos casos de carcinoma de boca diagnosticados, no período de janeiro/2013 a dezembro/2018. Resultados: verificou-se maior acometimento de indivíduos do sexo masculino,...

Objetivos Este estudo teve como objetivo avaliar as frequências e números absolutos de monócitos e seus subtipos: clássico (cMo), intermediário (iMo) e não clássico (ncMo) em pacientes com COVID-19, a fim de esclarecer sua relação com as alterações do sistema imunológico periférico e a gravidade da doença. Material e métodos Este estudo incluiu um...

Objetivos O envolvimento do sistema nervoso central (SNC) por neoplasias hematológicas é considerado uma complicação grave em pacientes com leucemias e linfomas. A análise do líquido cefalorraquidiano (LCR) por citometria de fluxo (CF) é bastante estabelecida e possui papel importante na definição prognóstica e avaliação de resposta ao tratamento d...

Poly(thioether-ester) (PTEe), a polymer synthesized from renewable monomers, is a promising alternative for the encapsulation of antitumor drugs due to its biocompatibility and biodegradability. Therefore, the aim of this study was to synthesize, characterize and evaluate the cytotoxicity of free 4-nitrochalcone (4NC) and 4NC encapsulated in PTEe n...

Chalcones and their derivatives have been described as promising compounds with antiproliferative activity against leukemic cells. This study aimed to investigate the cytotoxic effect of three synthetic chalcones derived from 1-naphthylacetophenone (F07, F09, and F10) in acute leukemia cell lines (K562 and Jurkat) and examine the mechanisms of cell...

The present study investigated the effects of perinatal exposure to glyphosate-based herbicide (GBH) on liver of immature Wistar rats. Female rats were exposed to GBH (70 mg glyphosate/Kg body weight/day) in drinking water from gestation day 5 and continually up to lactation day 15. The perinatal exposure to GBH increased ⁴⁵ Ca ²⁺ influx in offspri...

Introduction Flow cytometry has become an increasingly important tool in the clinical laboratory for the diagnosis and monitoring of many hematopoietic neoplasms. This method is ideal for immunophenotypic identification of cellular subpopulations in complex samples, such as bone marrow and peripheral blood. In general, 4-color panels appear to be a...

Background: Liver cirrhosis profoundly affects the immune system, leading to an immunological imbalance known as cirrhosis-associated immune dysfunction. Aims: This study aimed to investigate B-cell disturbances in patients with acute decompensation (AD) of cirrhosis and assess relationships with prognosis and mortality. Methods: The study included...

Liver cirrhosis is often complicated by an immunological imbalance known as cirrhosis-associated immune dysfunction. This study aimed to investigate disturbances in circulating monocytes and dendritic cells in patients with acute decompensation (AD) of cirrhosis. The sample included 39 adult cirrhotic patients hospitalized for AD, 29 patients with...

Introduction: Breast cancer (BC) is the most incident form of cancer in women worldwide. The widespread use of breast screening programs, as well advances in molecular biology, and new drugs in chemotherapy have contributed to the recent survival rate improvement in high income countries. Furthermore, the study of cancer genome led to the elucidati...

Introduction: Due to the high prevalence of breast cancer, it has a major financial impact on health systems. Currently, the diagnosis is made by morphological and immunohistochemical analysis (IHC). However, this methodology has some limitations. Therefore, methodologies capable of rapid and safe detection of tumor cells are needed, which can assi...

Background: Current therapies for acute leukemias (ALs) are associated with severe adverse reactions and high relapse rates, which makes the search for new antileukemic agents a necessity. Therefore, the aim of this study was to evaluate the effects of a new sulfonamide, S1, in AL cells K562 and Jurkat. Methods: The cytotoxic activity of S1 was...

Introduction: Breast cancer (BC) is the most incident form of cancer in women worldwide. The widespread use of breast screening programs, as well advances in molecular biology, and new drugs in chemotherapy have contributed to the recent survival rate improvement in high income countries. Furthermore, the study of cancer genome led to the elucidati...

Occupational exposure to pesticides has been identified as a factor that predisposes to disorders of the immune system. Immunosuppression, autoimmunity, cancer of various organs and other diseases in people who apply these products have been reported by the studies. This study aimed to investigate the relationship between occupational exposure to p...

Considering the high morbidity and mortality rates associated with hematological malignancies and the frequent development of drug resistance by these diseases, the search for new cytotoxic agents is an urgent necessity. The new compounds should present higher efficiency and specificity in inducing tumor cell death, be easily administered and have...

The present study aimed to investigate the cytotoxic effect of 38 new thiosemicarbazone derivatives on hematological neoplastic cells lines and to select the most effective compounds to investigate the main molecular mechanisms involved in cell death. Cytotoxicity screening on Daudi and Jurkat cells revealed that only compound 1b met the selection...

Aims: To report two cases of onco-hematologic diseases diagnosed by oral biopsy and subsequent flow cytometry immunophenotyping. Presentation of Case: Case 1: A 36-year-old woman, HIV +, referred to the Hospital Dentistry Center presenting an extensive, ulcerated and painless lesion in the left maxilla involving teeth #24, #25, #26 and #27. A fine...

Aims: To report two cases of onco-hematologic diseases diagnosed by oral biopsy and subsequent flow cytometry immunophenotyping. Presentation of Case: Case 1: A 36-year-old woman, HIV +, referred to the Hospital Dentistry Center presenting an extensive, ulcerated and painless lesion in the left maxilla involving teeth #24, #25, #26 and #27. A fine...

New drugs development for lymphoid neoplasms treatment is an urgent necessity. The aim of this study was to evaluate the cytotoxic effect of the marine plastoquinone, 9’-hydroxysargaquinone (9’-HSQ), focusing on the investigation of its death mechanisms on lymphoid neoplastic cells. This particular plastoquinone reduced cell viability of different...

Currently available chemotherapeutic drugs against hematological malignancies have several adverse effects and are associated with high mortality rates. Thus, in this study we evaluated the cytotoxic effect of 26 new sulfonamide derivatives on acute leukemia and multiple myeloma cells in order to try to discover a new selective and safe compound th...

Aim: Investigate the apoptotic mechanisms of two new aldehyde biphenyl chalcones on leukemia cells. Materials & methods: From a series of 71 new chalcones, we selected the two most cytotoxic. Results: JA3 and JA7 were cytotoxic not only against hematological malignancies but also against solid tumor and cancer stem cells, yet with no toxicity to no...

In our previous work, lupeol was isolated from aerial parts of V. scorpioides and modified by semisynthetic approach. The purpose of this study was to investigate the cytotoxicity of lupeol and its derivatives previously prepared on the human K562 acute myeloid leukemia cell and human Jurkat acute lymphoid leukemia cell in vitro. Compounds 3β-hydro...

Acute promyelocytic leukemia is a subtype of acute myeloid leukemia, characterized by the presence of neoplastic promyelocytes, due to the reciprocal balanced translocation between chromosomes 15 and 17. Currently, with the use of agents that act directly on this molecular change, such as all-trans retinoic acid and arsenic trioxide, APL has shifte...

Introduction: Given its high prevalence, breast cancer has a great financial impact on health systems. Currently, the diagnosis is made by morphological analysis and immunohistochemistry (IHC). However, this methodology has some limitations. Therefore, new methods should be developed to assist those in use, based on the fast and safe detection of t...

Introduction: Breast cancer is a global public health issue due to its high mortality. Despite the multidisciplinary approaches and strategies to reduce mortality, many women are diagnosed in advanced stages with metastases, compromising the chances of cure. Objective: To report the case of a 28-year-old woman, G3, with a history of postpartum depr...

Introduction Acute promyelocytic leukemia (APL) with PML-RARα is a variant type of acute myeloid leukemia (AML), halting granulocytes at the promyelocytic stage1, primarily associated with the t(15;17)(q22;q11-12) translocation2. The fusion gene BCR-ABL1, attributed to the t(9;22) translocation, is widely associated with chronic myeloid leukemia (C...

Plants are important sources of biologically active compounds and they provide unlimited opportunities for the discovery and development of new drug leads, including new chemotherapeutics. Miconidin acetate (MA) is a hydroquinone derivative isolated from E. hiemalis. In this study we demonstrated that MA was cytotoxic against acute leukemia (AL), s...

Breast cancer is the most common cause of cancer death in women worldwide. Cytological, histological, and immunohistochemical techniques are routine laboratory tests for determining tumor subtypes. Over the past few years, laboratory diagnostic tests for breast cancer have become more complex, sophisticated, and specialized. This report describes t...

Aims: We report a rare case of therapy-related AML with t(8;21)(q22;q22.1) that occurred after treatment for mantle cell lymphoma (MCL) and oral squamous cell carcinoma (OSCC). Presentation of Case: A 52 years-old male patient was diagnosed with MCL in leukemic phase. The treatment consisted in R-CHOP rituximab, cyclophosphamide, doxorubicin, vincr...

Intact carboxymethyl-hexanoyl chitosan/dodecyl sulfate nanoparticles loaded with pyrazoline H3TM04 were dispersed in biodegradable PEO-chitosan nanofiber mats (PEOChNps) for application in skin cancer treatment. The nanomaterial was formed by co-electrospinning in aqueous solution. The structural and morphological properties of the PEOChNps were in...

We describe herein a chitosan nanocarrier for drug delivery applications obtained through the self-assembly of carboxymethyl-hexanoyl chitosan and dodecyl sulfate (CHC-SDS). Nanocapsules with spherical morphology were obtained in phosphate buffer at pH 7.4. These CHC-SDS nanocapsules showed no toxicity toward Jurkat cells (acute lymphoblastic leuke...

Flow cytometry (FC) is a fast and highly informative technology that has gained prominence in immune phenotype monitoring. FC standardization is crucial to obtain reliable results that are comparable among laboratories and immune monitoring studies, as this method is influenced by several variables, including equipment, reagents, staining procedure...

T-cell acute lymphoblastic leukemia is an aggressive hematological malignancy originating from the malignant transformation of progenitor T cells at different stages of development. The treatment causes severe adverse effects and is associated with relapses and high morbidity and mortality rates. The present study aimed to evaluate the cytotoxic ac...

Acute leukemias are a heterogeneous group of aggressive malignant neoplasms associated with severe morbidities due to the nonselectivity of current chemotherapeutic drugs to nonmalignant cells. The investigation of novel natural and synthetic structures that might be used for the development of new drugs with greater efficiency and selectivity to l...

The current paucity of effective and affordable drugs for the treatment of leishmaniasis renders the search for new therapeutic alternatives a priority. Gallic acid related compounds display anti-parasitic activities and their incorporation into drug carrier systems, such as polymeric nanoparticles may be a viable alternative for leishmaniasis trea...

Setting: Information about the sputum cells of pulmonary tuberculosis (PTB) patients is scarce. The analysis of sputum cells using optical microscopy (OM) is a well-established method, but it has some serious limitations. Objective: To establish a new flow cytometry (FC) protocol for the leucocyte evaluation of sputum samples from PTB patients....

Background: Flow cytometric immunophenotyping is deemed a fundamental tool for the diagnosis of B-cell neoplasms. Currently, the investigation of novel immunophenotypic markers has gained importance, as they can assist in the precise subclassification of B-cell malignancies by flow cytometry. Therefore, the purpose of the present study was to eval...

Introdution Acute myeloid leukemia (AML) with inv(3)(q21q26.2) or t(3;3)(q21;q26.2); (RPN1-EVI1) is a relatively rare subtype of leukemia that may present de novo or secondary to myelodysplastic syndrome (MDS). This entity was included in the 4th edition of the World Health Organization (WHO) classification of Tumours of Hematopoietic and Lymphoid...

Background: Normal B lymphoid maturation occurs in bone marrow (BM) throughout life, but immature B-cell progenitors (BCPs) are more numerous in children than in adults. To assess the normal values according to age became important as BCPs are decreased in myelodysplastic syndromes and have been considered an important diagnostic and prognostic fe...

In 2010, new monoclonal antibodies were submitted to the 9th International Workshop on Human Leukocyte Differentiation Antigens, and there are few studies demonstrating normal expression patterns of these markers. Thus, the objective of this study was to determine the normal patterns of cell expression of CD86, CD210a, CD261, CD262, CD264, CD358, a...

In this work in vitro cytotoxicity of poly(urea-urethane) nanoparticles obtained by miniemulsion polymerization against murine fibroblast (L929), normal human fibroblast (NIH3T3) and MRC-5 cell line derived from normal lung tissue, as well as, hemocompatibility, and in vitro macrophage uptake were evaluated. From the results obtained in this work,...

Chalcones are natural compounds described in the literature by its several properties including cytotoxic activity against several tumor types. Considering that the search for new chemotherapeutic agents is still necessary, the aim of this study was to investigate the cytotoxic mechanisms involved in cell death induced by a synthetic chalcone (A23)...

When the FLT3 gene is mutated, it originates a modified receptor with structural changes, which give survival advantage and malignant hematopoietic cell proliferation. Thus, the presence of mutations in this gene is considered an unfavorable prognostic factor. A total of 85 consecutive samples of newly diagnosed untreated patients with AL were incl...

Background: B cell lymphomas' (BCL) current diagnosis is usually based on a combination of morphology, immunophenotype, recurrent cytogenetic aberration and clinical features. However, even with these diagnostic tools, a definitive diagnosis can be difficult to achieve. Therefore, the aim of this study was to assess the profile of CD39, CD43, CD81...

Pyrazoline is an important 5-membered nitrogen heterocycle that has been extensively researched. Ten derivatives were synthesized and tested for antileukemic effects on 2 human acute leukemia cell lines, K562 and Jurkat. The most cytotoxic of these derivatives, compound 21, was chosen for investigation of cytotoxicity mechanisms. The results obtain...

Lauryl gallate loaded in superparamagnetic poly(methyl methacrylate) nanoparticles surface modified with folic acid were synthesized by miniemulsion polymerization in just one step. In vitro biocompatibility and cytotoxicity assays on L929 (murine fibroblast), human red blood, and HeLa (uterine colon cancer) cells were performed. The effect of foli...

With the objective to develop a new drug delivery systems without secondary effects, this study evaluated in vitro cytotoxicity in fibroblast cells, macrophage uptake and hemocompatibility of poly(methyl methacrylate) (PMMA) nanoparticles and nanocapsules obtained by miniemulsion polymerization. PMMA nanoparticles and nanocapsules presented spheric...

We have previously reported the cytotoxic effects of chalcone A1, derived from 1-naphthaldehyde, in leukemia cell lines. On the basis of these findings, the main aim of this study was to elucidate some of the molecular mechanisms involved in apoptosis induced by chalcone A1 toward K562 and Jurkat cells. In both cell lines, chalcone A1 decreased the...

Background and objectives: Serological screening for the Vel- phenotype is complex given the large individual variation in the levels of expression of the Vel antigen, and the polyclonal anti-human sera of immunised persons, when available, show heterogeneous reactivity levels. Studies of the SMIM1 gene have enabled the development of several mole...

Background: Red blood cell genes are highly polymorphic with the distribution of alleles varying between different populations and ethnic groups. The objective of this study was to investigate gene polymorphisms of blood groups in the state of Santa Catarina, Southern Brazil. Methods: Three hundred and seventy-three unrelated blood donors and 31...

The encapsulation of superparamagnetic nanoparticles (MNPs) in polymeric nanoparticles (NPs) with modified surfaces can improve targeted delivery and induce cell death by hyperthermia. The goals of this study were to synthesize and characterize surface modified superparamagnetic poly(methyl methacrylate) with folic acid (FA) prepared by miniemulsio...

Background: According to the 2008 World Health Organization classification, mature B-cell neoplasms are a heterogeneous group of diseases that include B-cell lymphomas and plasma cell disorders. These neoplasms can have very different clinical behaviors, from highly aggressive to indolent, and therefore require diverse treatment strategies. Objec...

Quercetin is a natural compound that has several biological activities including anticancer activity. However, the use of this drug has been limited mostly because of its poor water solubility and low bioavailability. Therefore, the development of quercetin-loaded nanocarrier systems may be considered a promising advance to exploit its therapeutic...

Recent studies have shown that gallic acid and its alkylesters induce apoptosis in different cell lines. Since new compounds with biological activity and less cytotoxicity to normal cells are necessary for cancer therapy, the aim of this study was to evaluate the cytotoxic effect of 1-(3,4,5-trihydroxyphenyl)-dodecylbenzoate on human acute myeloid...

The goal of this work was to synthesize and characterize ZnPc loaded poly(methyl methacrylate) (PMMA) nanoparticles (NPs) by miniemulsion polymerization. Biocompatibility assays were performed in murine fibroblast (L929) cells and human peripheral blood lymphocytes (HPBL). Finally, photobiological assays were performed in two leukemic cells: chroni...

Mucoadhesive nanoparticles loaded with curcumin were developed as a new approach to deliver curcumin for the local treatment of oral cancer. PCL nanoparticles coated with chitosan displaying different molar masses were prepared by using the nanoprecipitation technique. The mucoadhesive properties of nanoparticle suspensions were demonstrated by the...

The study was aimed to evaluate the effect of orally administered chitosan-coated nanoparticles containing curcumin on metastatic melanoma. Chitosan-coated nanoparticles containing curcumin were prepared, and their antimetastatic activity was investigated both in vitro and in vivo. Curcumin decreased cell viability and induced apoptosis of B16F10 m...

Xyloglucan-block-polycaprolactone (XGO-PCL) copolymer nanoparticles have been proposed as nanocarriers for drug delivery. However, the possible harmful effects of exposure to nanoparticles still remain a concern. Therefore, the aim of this study is to evaluate the potential toxicity of XGO-PCL nanoparticles using in vitro and in vivo assays. Cytoto...

Magnetic nanoparticles (MNPs) are promising materials for hyperthermia treatment and magnetic targeting systems. The objective of this work was to synthesize and characterize magnetic nanoparticles coated with oleic acid (MNPsOA) loaded with poly(methyl methacrylate) prepared by miniemulsion polymerization (MNPs-PMMA) and evaluate their cytotoxicit...

Flow cytometry has emerged as a useful screening approach to evaluate whether specific cell populations are present or absent. Previous studies have shown different reference ranges in several countries. The aim of this study was to determine reference ranges of lymphocyte subsets in peripheral blood by flow cytometric method in Brazilian adults. I...

In this study, we assessed the cytotoxic effect of synthetic 2′,4′,5′-trimethoxychalcones on the human K562 acute myeloid leukemia cell and human Jurkat acute lymphoid leukemia cell. Compounds 13, 16, 19, and 26 showed low IC50 values (4.10–8.56 μM at 72 h) for both cell lines and did not have a cytotoxic effect on normal human lymphocytes. The mec...

The objective this work was the synthesis, characterization and evaluation of cytotoxicity poly(methyl methacrylate), PMMA, nanoparticles (NPs) produced using miniemulsion polymerization technique adopting azobisisobutylonitrile (AIBN) as initiator and biocompatible and biodegradable surfactant, lecithin and co-stabilizer, miglyol 812 The NPs showe...

The development of novel xyloglucan-block-poly(ϵ-caprolactone) (XGO-b-PCL) nanoparticles coated with the mucoadhesive polysaccharide chitosan is described. XGO-b-PCL nanoparticles show monodisperse size distribution (Rh = 50 nm). Curcumin is successfully encapsulated within the PCL core within drug to polymer ratio of 1:5 (w/w). The coating of nano...

Multiparameter flow cytometry (MFC) is a highly sensitive, fast and specific diagnostic technology with a wide range of applicability in hematology. Although well-established eight-color immunophenotyping panels are already available, most Brazilian clinical laboratories are equipped with four-color flow cytometer facilities. Based on this fact, th...

Multiparameter flow cytometry is a highly sensitive, fast, and specific diagnostic technology with a wide range of applicability in hematology. Although well-established eight-color immunophenotyping panels are already available, most Brazilian clinical laboratories are equipped with four-color flow cytometer facilities. Based on this fact, the Bra...

Cyclic imides are known for their antitumor activity, especially the naphthalimide derivatives, such as Mitonafide and Amonafide. Recently, we have demonstrated the cytotoxic effect of a series of naphthalimide derivatives against B16F10 melanoma cells. On the basis of this fact, we have developed a study starting from the synthesis of different cy...