cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.6084/m9.figshare.20495658.v1
title: Lack of association of the KIR and HLA class I ligands with ZIKV infection in south and southeast of Brazil

description: BACKGROUND Zika virus (ZIKV) is an emerging arbovirus associated with foetal malformations and neurological complications. The infection is usually associated with mild symptoms. The comparison between the allelic frequency of polymorphic genes in symptomatic infected individuals in the population can clarify the pathogenic mechanisms of ZIKV. During ZIKV infection, cytokines are produced and natural killer (NK) cells are recruited, whose activation depends on signaling pathways activated by specific receptors, such as killer cell immunoglobulin-like receptors (KIR). These molecules interact with human leukocyte antigen (HLA) class I ligands and are encoded by polymorphic genes. OBJECTIVES This study aimed to evaluate the frequency of allelic variants of the genes encoding the KIR receptors and their HLA class I ligands in 139 symptomatic ZIKV-patients and 170 controls negative for the virus, and to evaluate the role of these variants for ZIKV susceptibility. METHODS KIR and HLA class I genes were genotyped using the polymerase chain reaction-sequence specific oligonucleotide (PCR-SSO) technique. FINDINGS No significant differences in the frequency distribution of KIRs and KIR-HLA in patients compared to controls were observed. MAIN CONCLUSIONS KIR and its HLA ligands might play a minor role in ZIKV infection in the south and southeast Brazilian individuals.
DOI: 10.6084/m9.figshare.20495660
title: How does the regulation of abortion provision for pregnancies resulting from rape affect its supply in the municipalities?

description: Abstract The provision of abortion in pregnancies resulting from rape in Brazil is limited, restricted to a few facilities and concentrated in large urban centers. We aimed to estimate the potential for expansion of this service considering the installed capacity in the country’s municipalities. From the data of June 2021 in the Cadastro Nacional de Estabelecimentos de Saúde (Brazilian National Registry of Health Facilities, CNES), three different scenarios of abortion provision provided by law in pregnancies resulting from rape were elaborated, and the percentage of female population of childbearing age living in the municipalities of each scenario was calculated by region. The first scenario included the municipalities with installed provision; the second, those with potential for provision considering the current regulations; and the third, those with potential for provision considering only the recommendations of the World Health Organization and the Penal Code of Brazil. The scenarios were composed of 55, 662 and 3,741 municipalities, respectively, and were home to 26.7%, 62.1%, and 94.3% of the country’s females between the ages of 10 and 49. In all regions, there was installed capacity to expand provision, both in light of current regulations and international recommendations.
DOI: 10.6084/m9.figshare.20495660.v1
title: How does the regulation of abortion provision for pregnancies resulting from rape affect its supply in the municipalities?

description: Abstract The provision of abortion in pregnancies resulting from rape in Brazil is limited, restricted to a few facilities and concentrated in large urban centers. We aimed to estimate the potential for expansion of this service considering the installed capacity in the country’s municipalities. From the data of June 2021 in the Cadastro Nacional de Estabelecimentos de Saúde (Brazilian National Registry of Health Facilities, CNES), three different scenarios of abortion provision provided by law in pregnancies resulting from rape were elaborated, and the percentage of female population of childbearing age living in the municipalities of each scenario was calculated by region. The first scenario included the municipalities with installed provision; the second, those with potential for provision considering the current regulations; and the third, those with potential for provision considering only the recommendations of the World Health Organization and the Penal Code of Brazil. The scenarios were composed of 55, 662 and 3,741 municipalities, respectively, and were home to 26.7%, 62.1%, and 94.3% of the country’s females between the ages of 10 and 49. In all regions, there was installed capacity to expand provision, both in light of current regulations and international recommendations.
DOI: 10.6084/m9.figshare.20495661
title: Research on the school climate and health in Brazil - a scope review

description: Abstract The role of the school in promoting health and preventing diseases among children and adolescents has long been recognized. Among the characteristics of schools with effects on health, child development, learning and school performance, the international literature has highlighted the school climate. However, in Brazil, relatively little research has been done in this field to date. In view of this scenario, this study aimed to describe the characteristics of Brazilian research into the school climate, paying special attention to the methods of measurement, to themes related to it and to research on the relationship between school climate and health in Brazil. To this end, we conducted a scope review with Brazilian theses and dissertations since 1987. The results showed the predominance of qualitative studies, with data from few schools, a wide variety of strategies and instruments used to measure the climate, with emphasis on the use of questionnaires, scales and interviews. There was also a relatively small participation of the health field, especially with regard to student health.
DOI: 10.6084/m9.figshare.20495661.v1
title: Research on the school climate and health in Brazil - a scope review

description: Abstract The role of the school in promoting health and preventing diseases among children and adolescents has long been recognized. Among the characteristics of schools with effects on health, child development, learning and school performance, the international literature has highlighted the school climate. However, in Brazil, relatively little research has been done in this field to date. In view of this scenario, this study aimed to describe the characteristics of Brazilian research into the school climate, paying special attention to the methods of measurement, to themes related to it and to research on the relationship between school climate and health in Brazil. To this end, we conducted a scope review with Brazilian theses and dissertations since 1987. The results showed the predominance of qualitative studies, with data from few schools, a wide variety of strategies and instruments used to measure the climate, with emphasis on the use of questionnaires, scales and interviews. There was also a relatively small participation of the health field, especially with regard to student health.
DOI: 10.6084/m9.figshare.20495664
title: One Plus One is Better than Two: An Approach Towards a Single Blastocyst Transfer Policy for All IVF Patients

description: Abstract Objective It is known that the single embryo transfer (SET) is the best choice to reduce multiples and associated risks. The practice of cryopreserving all embryos for posterior transfer has been increasingly performed for in vitro fertilization (IVF) patients at the risk of ovarian hyperstimulation syndrome or preimplantation genetic testing for aneuploidy. However, its widespread practice is still controverse. The aim of this study was to evaluate how effective is the transfer of two sequential SET procedures compared with a double embryo transfer (DET) in freeze-only cycles. Methods This retrospective study reviewed 5,156 IVF cycles performed between 2011 and 2019, and 506 cycles using own oocytes and freeze-only policy with subsequent elective frozen-thawed embryo transfers (eFET) were selected for this study. Cycles having elective SET (eSET, n = 209) comprised our study group and as control group we included cycles performed with elective DET (eDET, n = 291). In the eSET group, 57 couples who had failed in the 1st eSET had a 2nd eFET, and the estimated cumulative ongoing pregnancy rate was calculated and compared with eDET. Results After the 1st eFET, the ongoing pregnancy rates were similar between groups (eSET: 35.4% versus eDET: 38.5%; p =0.497), but the estimated cumulative ongoing pregnancy rate after a 2nd eFET in the eSET group (eSET + SET) was significantly higher (48.8%) than in the eDET group (p &lt; 0.001). Additionally, the eSET +SET group had a 2.7% rate of multiple gestations, which is significantly lower than the eDET group, with a 30.4% rate (p &lt; 0.001). Conclusion Our study showed the association of freeze-only strategy with until up to two consecutive frozen-thawed eSETs resulted in higher success rates than a frozenthawed DET, while drastically reducing the rate of multiple pregnancies.
DOI: 10.6084/m9.figshare.20495664.v1
title: One Plus One is Better than Two: An Approach Towards a Single Blastocyst Transfer Policy for All IVF Patients

description: Abstract Objective It is known that the single embryo transfer (SET) is the best choice to reduce multiples and associated risks. The practice of cryopreserving all embryos for posterior transfer has been increasingly performed for in vitro fertilization (IVF) patients at the risk of ovarian hyperstimulation syndrome or preimplantation genetic testing for aneuploidy. However, its widespread practice is still controverse. The aim of this study was to evaluate how effective is the transfer of two sequential SET procedures compared with a double embryo transfer (DET) in freeze-only cycles. Methods This retrospective study reviewed 5,156 IVF cycles performed between 2011 and 2019, and 506 cycles using own oocytes and freeze-only policy with subsequent elective frozen-thawed embryo transfers (eFET) were selected for this study. Cycles having elective SET (eSET, n = 209) comprised our study group and as control group we included cycles performed with elective DET (eDET, n = 291). In the eSET group, 57 couples who had failed in the 1st eSET had a 2nd eFET, and the estimated cumulative ongoing pregnancy rate was calculated and compared with eDET. Results After the 1st eFET, the ongoing pregnancy rates were similar between groups (eSET: 35.4% versus eDET: 38.5%; p =0.497), but the estimated cumulative ongoing pregnancy rate after a 2nd eFET in the eSET group (eSET + SET) was significantly higher (48.8%) than in the eDET group (p &lt; 0.001). Additionally, the eSET +SET group had a 2.7% rate of multiple gestations, which is significantly lower than the eDET group, with a 30.4% rate (p &lt; 0.001). Conclusion Our study showed the association of freeze-only strategy with until up to two consecutive frozen-thawed eSETs resulted in higher success rates than a frozenthawed DET, while drastically reducing the rate of multiple pregnancies.
DOI: 10.6084/m9.figshare.20495666
title: Common and uncommon neuroimaging manifestations of ataxia: an illustrated guide for the trainee radiologist. Part 1 – acquired diseases

description: Abstract Ataxia is defined as a lack of coordination of voluntary movement, caused by a variety of factors. Ataxia can be classified by the age at onset and type (chronic or acute). The causative lesions involve the cerebellum and cerebellar connections. The correct, appropriate use of neuroimaging, particularly magnetic resonance imaging, can make the diagnosis relatively accurate and facilitate implementation of the appropriate clinical management. The purpose of this pictorial essay is to describe the imaging findings of ataxia, based on cases obtained from the archives of a tertiary care hospital, with a review of the most important findings. We also review and discuss the imaging aspects of infectious, toxic, vascular, and inflammatory diseases.
DOI: 10.6084/m9.figshare.20495666.v1
title: Common and uncommon neuroimaging manifestations of ataxia: an illustrated guide for the trainee radiologist. Part 1 – acquired diseases

description: Abstract Ataxia is defined as a lack of coordination of voluntary movement, caused by a variety of factors. Ataxia can be classified by the age at onset and type (chronic or acute). The causative lesions involve the cerebellum and cerebellar connections. The correct, appropriate use of neuroimaging, particularly magnetic resonance imaging, can make the diagnosis relatively accurate and facilitate implementation of the appropriate clinical management. The purpose of this pictorial essay is to describe the imaging findings of ataxia, based on cases obtained from the archives of a tertiary care hospital, with a review of the most important findings. We also review and discuss the imaging aspects of infectious, toxic, vascular, and inflammatory diseases.
DOI: 10.6084/m9.figshare.20495681
title: Characterization of BRAF mutation in patients older than 45 years with well-differentiated thyroid carcinoma

description: Abstract Introduction: Papillary thyroid carcinoma is the most frequent endocrine neoplasia and its incidence has tripled over the past 35years. Although papillary thyroid carcinoma carries a good prognosis, 10%–30% of patients still develop recurrence and metastasis. Some clinical and genetic features are associated with worse prognosis. The most frequent mutation is the BRAF p.V600E, which has been associated with many clinical features of poor prognosis. However, many studies have produced controversial results without any association between BRAF mutation and clinicopathological features of poor prognosis. Objective: Since the prognostic value of BRAF mutations remains controversial, this study aims to investigate the importance of this mutation in therapeutic decisions for papillary thyroid carcinoma. Methods: Therefore, we evaluated whether the presence of BRAF mutation is associated with features of poor prognosis in 85 patients with papillary thyroid carcinoma older than 45years treated at A.C. Camargo Cancer Center, from 1980 to 2007. BRAF mutation was evaluated by pyrosequencing. Statistical analysis was performed using SPSS. Results: The mean age of patients was 54 years (range: 45 - 77 years), 73 were women (85.8%) and 12 were men (14.2%). Among them, 39 cases (45.9%) presented extrathyroidal extension and 11 cases had recurrent disease. BRAF mutation was detected in 57 (67%) patients. No significant association was observed between BRAF mutation and gender (p =0.743), age (p = 0.236), N-stage (p =0.423), vascular and perineural infiltration (p =0.085 or multifocality (p = 1.0). Although not statistically significant, the majority of patients with recurrent disease were BRAF positive (9 out of 11) (p =0.325). Patients affected by BRAF mutation are associated with tumors larger than 1 cm (p =0.034) and with extrathyroidal extension (p =0.033). Conclusion: Although BRAF testing is widely available, there are no consistent data to support improvement in outcomes from incorporating it into therapeutic decision for thyroid cancer.
DOI: 10.6084/m9.figshare.20495681.v1
title: Characterization of BRAF mutation in patients older than 45 years with well-differentiated thyroid carcinoma

description: Abstract Introduction: Papillary thyroid carcinoma is the most frequent endocrine neoplasia and its incidence has tripled over the past 35years. Although papillary thyroid carcinoma carries a good prognosis, 10%–30% of patients still develop recurrence and metastasis. Some clinical and genetic features are associated with worse prognosis. The most frequent mutation is the BRAF p.V600E, which has been associated with many clinical features of poor prognosis. However, many studies have produced controversial results without any association between BRAF mutation and clinicopathological features of poor prognosis. Objective: Since the prognostic value of BRAF mutations remains controversial, this study aims to investigate the importance of this mutation in therapeutic decisions for papillary thyroid carcinoma. Methods: Therefore, we evaluated whether the presence of BRAF mutation is associated with features of poor prognosis in 85 patients with papillary thyroid carcinoma older than 45years treated at A.C. Camargo Cancer Center, from 1980 to 2007. BRAF mutation was evaluated by pyrosequencing. Statistical analysis was performed using SPSS. Results: The mean age of patients was 54 years (range: 45 - 77 years), 73 were women (85.8%) and 12 were men (14.2%). Among them, 39 cases (45.9%) presented extrathyroidal extension and 11 cases had recurrent disease. BRAF mutation was detected in 57 (67%) patients. No significant association was observed between BRAF mutation and gender (p =0.743), age (p = 0.236), N-stage (p =0.423), vascular and perineural infiltration (p =0.085 or multifocality (p = 1.0). Although not statistically significant, the majority of patients with recurrent disease were BRAF positive (9 out of 11) (p =0.325). Patients affected by BRAF mutation are associated with tumors larger than 1 cm (p =0.034) and with extrathyroidal extension (p =0.033). Conclusion: Although BRAF testing is widely available, there are no consistent data to support improvement in outcomes from incorporating it into therapeutic decision for thyroid cancer.
DOI: 10.6084/m9.figshare.20495684
title: Early selection of drought-tolerant Coffea arabica genotypes at the seedling stage using functional divergence

description: ABSTRACT The development of more drought-tolerant cultivars is essential for the maintenance of global agricultural production. This study aimed to perform an early selection of drought-tolerant Coffea arabica genotypes by evaluating their functional divergence using morphological, anatomical and physiological analyses. Seedlings of 14 genotypes were subjected to the drought stress imposed by irrigation for 18 days. Growth and anatomical parameters, leaf water potential and gas exchanges were measured. Under irrigated conditions and prolonged drought (18 days), the divergence among the genotypes was determined mainly by morphological traits, such as leaf area, stem diameter and, consequently, shoot dry mass. Under moderate drought (14 days), parameters such as water potential, cuticle thickness, stomatal density, number of xylem vessels and water-use efficiency were important for the divergence of the group with the highest ability to maintain its water status. The genotypes 1, 2, 4, 11 and 12 have characteristics that contributed to the maintenance of water status, such as greater cuticle thickness, stomatal density, smaller number of xylem vessels and phloem thickness, bigger root length and greater water-use efficiency. The functional divergence combining morphological, anatomical and physiological analyses in response to the moderate drought indicated the early selection of the genotypes 1, 2,4, 11 and 12 as more drought tolerant during the seedling stage.
DOI: 10.6084/m9.figshare.20495684.v1
title: Early selection of drought-tolerant Coffea arabica genotypes at the seedling stage using functional divergence

description: ABSTRACT The development of more drought-tolerant cultivars is essential for the maintenance of global agricultural production. This study aimed to perform an early selection of drought-tolerant Coffea arabica genotypes by evaluating their functional divergence using morphological, anatomical and physiological analyses. Seedlings of 14 genotypes were subjected to the drought stress imposed by irrigation for 18 days. Growth and anatomical parameters, leaf water potential and gas exchanges were measured. Under irrigated conditions and prolonged drought (18 days), the divergence among the genotypes was determined mainly by morphological traits, such as leaf area, stem diameter and, consequently, shoot dry mass. Under moderate drought (14 days), parameters such as water potential, cuticle thickness, stomatal density, number of xylem vessels and water-use efficiency were important for the divergence of the group with the highest ability to maintain its water status. The genotypes 1, 2, 4, 11 and 12 have characteristics that contributed to the maintenance of water status, such as greater cuticle thickness, stomatal density, smaller number of xylem vessels and phloem thickness, bigger root length and greater water-use efficiency. The functional divergence combining morphological, anatomical and physiological analyses in response to the moderate drought indicated the early selection of the genotypes 1, 2,4, 11 and 12 as more drought tolerant during the seedling stage.
DOI: 10.6084/m9.figshare.20495682
title: The dictatorship of agrochemicals: the National Program of Agricultural Defensives and changes in pesticides production and consumption in Brazil, 1975-1985

description: Abstract This paper relates the National Agricultural Defensives Program (1975-1980) with the developmentalist policies of the Brazilian civil-military dictatorship and the debates on agrochemicals regulation. The program stimulated internal production of pesticides, an important element in the project of agricultural “modernization” and “imports substitution.” Questionings on the use of agrochemicals were minimized by the notion of “safe use,” despite insufficient monitoring of health and environmental consequences. Besides the production in Brazil of compounds banned elsewhere, the program signaled a profile change of agrochemicals used, which puts into perspective the prohibition of organochlorine insecticides in the 1980s.
DOI: 10.6084/m9.figshare.20495682.v1
title: The dictatorship of agrochemicals: the National Program of Agricultural Defensives and changes in pesticides production and consumption in Brazil, 1975-1985

description: Abstract This paper relates the National Agricultural Defensives Program (1975-1980) with the developmentalist policies of the Brazilian civil-military dictatorship and the debates on agrochemicals regulation. The program stimulated internal production of pesticides, an important element in the project of agricultural “modernization” and “imports substitution.” Questionings on the use of agrochemicals were minimized by the notion of “safe use,” despite insufficient monitoring of health and environmental consequences. Besides the production in Brazil of compounds banned elsewhere, the program signaled a profile change of agrochemicals used, which puts into perspective the prohibition of organochlorine insecticides in the 1980s.
DOI: 10.6084/m9.figshare.20495685
title: Policies for expanding access to higher education and changing the profile of medical graduates in Brazil: a cross-sectional study

description: Abstract This study assesses the effectiveness of policies to expand access to higher education in reducing inequities in the profile of graduates from medical courses in Brazil. This work consists of a cross-sectional study using data from the 2018 Higher Education Census. Analyses were carried out to identify the association between being a beneficiary of the Quota Law, the University for All Program, or the Student Financing Fund and three markers: born in a small-sized municipality, being non-white, or having attended high school in a public school. Analyses were performed using Pearson’s chi-square test, and multivariate analysis was conducted using Poisson regression. A significant association was found between being a beneficiary of these policies and being a non-white graduate, who was born in a small town and who had studied in a public high school. All policies presented adjusted Prevalence Ratio (PR), which demonstrated an association with statistical significance. The Quota Law was the most effective policy, with RP=1.92 for non-white graduates, RP=6.66 for having studied in a public high school, and RP=1.08 for being born in a small town. Despite these results, these groups remain underrepresented in medical courses and in the workforce.