Article
Pharmacology & Pharmacy
Sonia Shastri, Tanvi Shinde, Krystel L. Woolley, Jason A. Smith, Nuri Gueven, Rajaraman Eri
Summary: Ulcerative colitis (UC) is characterized by chronic, relapsing, idiopathic, and multifactorial colon inflammation. Recent evidence suggests that mitochondrial dysfunction plays a critical role in the onset and recurrence of this disease. The study found that UTA77 could be a promising novel therapeutic approach for the treatment of human UC, as it improved UC symptoms and pathology in mouse models.
FRONTIERS IN PHARMACOLOGY
(2021)
Article
Physiology
David J. Culp, Bently Robinson, Melanie N. Cash
Summary: The study suggests that lack of salivary amylase in mice leads to increased severity of caries on smooth surface and sulcal surface when challenged with Streptococcus mutans and fed a sucrose-rich diet.
FRONTIERS IN PHYSIOLOGY
(2021)
Article
Biochemistry & Molecular Biology
Zixiong Zhou, Jing Qi, Yajiao Wu, Chutao Li, Wenqiang Bao, Xiaohuang Lin, An Zhu
Summary: This study investigated the hepatoprotective effects of nuciferine (Nuci) against acetaminophen (APAP)-induced acute liver injury (ALI) and explored its underlying mechanisms. The results showed that Nuci significantly attenuated APAP-induced ALI by reducing tissue pathological damage, inhibiting oxidative stress and inflammation, and regulating glutathione metabolism, anti-inflammatory responses, and autophagy.
Review
Immunology
Eduardo G. Bruneto, Miguel M. Fernandes-Silva, Cristina Toledo-Cornell, Silvia Martins, Joao M. B. Ferreira, Valeria R. Correa, Joicely M. da Costa, Ana Yece das N. Pinto, Dilma do S. M. de Souza, Maria Carmelinda G. Pinto, Jose Albuquerque de F Neto, Alberto N. Ramos, James H. Maguire, Odilson M. Silvestre
Summary: Orally-transmitted acute Chagas disease is emerging as a significant public health problem, with considerable lethality in the first year after infection but a declining mortality rate over the years. Symptomatic cases have a similar lethality rate to those from other routes of infection.
CLINICAL INFECTIOUS DISEASES
(2021)
Article
Medicine, Research & Experimental
Guang Xu, Shubin Fu, Xiaoyan Zhan, Zhilei Wang, Ping Zhang, Wei Shi, Nan Qin, Yuanyuan Chen, Chunyu Wang, Ming Niu, Yuming Guo, Jiabo Wang, Zhaofang Bai, Xiaohe Xiao
Summary: This study identified echinatin, a component of traditional herbal medicine licorice, as a potentially novel inhibitor of NLRP3 inflammasome activation in both in vitro and in vivo models. Echinatin was shown to exert inhibitory effects through its interaction with heat-shock protein 90 (HSP90), disrupting the formation of the HSP90-NLRP3 complex. The administration of echinatin demonstrated significant suppression of NLRP3 inflammasome activation and amelioration of inflammatory conditions in mouse models, suggesting its potential as a therapeutic approach for NLRP3-driven diseases.
Article
Environmental Sciences
Hanaa S. S. Gazwi, Osama I. A. Soltan, Sanaa M. Abdel-Hameed
Summary: The study aimed to investigate the immunostimulant effects of papaya seed-enriched cakes in countering carbon tetrachloride-induced immunocytotoxicity in rats. The results showed that the consumption of these cakes can mitigate the harmful effects on the blood, liver, and immune system caused by carbon tetrachloride, with antioxidant and liver-protective properties.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Physiology
Guangbo Zhang, Guochun Yang, Yanzhao Zhou, Zhengtao Cao, Ming Yin, Lin Ma, Ming Fan, Yong-Qi Zhao, Lingling Zhu
Summary: Intermittent hypoxia training (IHT) is an effective method to alleviate acute mountain sickness and improve cognitive and cerebrovascular function in hypoxic environments. The study showed that the simplified IHT paradigm relieved AMS symptoms and improved cognitive performance when exposed to acute hypoxia. This was accompanied by a reversal of brain swelling and increased cerebral blood flow in multiple brain regions.
PFLUGERS ARCHIV-EUROPEAN JOURNAL OF PHYSIOLOGY
(2023)
Article
Biotechnology & Applied Microbiology
Minyan Zhu, Jianli He, Yao Xu, Yong Zuo, Wenyan Zhou, Zhiying Yue, Xinghua Shao, Jinke Cheng, Tianshi Wang, Shan Mou
Summary: In this research, the role of the SENP1-Sirt3 signaling pathway and its correlation with mitochondrial dysfunction in acute kidney injury (AKI) was investigated. It was found that activating the AMPK pathway protected proximal tubular epithelial cells (PTECs) from apoptosis. Additionally, reducing mtROS levels using NAC or MitoQ alleviated AKI. Metabolomics analysis revealed increased antioxidants and metabolic shifts in Sirt3 KR mice during AKI.
Article
Infectious Diseases
Gisele Macedo Rodrigues da Cunha, Maira Araujo Azevedo, Denise Silva Nogueira, Marianna de Carvalho Climaco, Edward Valencia Ayala, Juan Atilio Jimenez Chunga, Raul Jesus Ynocente La Valle, Lucia Maria da Cunha Galvao, Egler Chiari, Carlos Ramon Nascimento Brito, Rodrigo Pedro Soares, Paula Monalisa Nogueira, Ricardo Toshio Fujiwara, Ricardo Gazzinelli, Robert Hincapie, Carlos-Sanhueza Chaves, Fabricio Marcus Silva Oliveira, M. G. Finn, Alexandre Ferreira Marques
Summary: Chagas disease, caused by Trypanosoma cruzi, lacks an approved vaccine and adequate treatment for chronic infection. This study demonstrates that a vaccine utilizing virus-like particles can induce beneficial effects, including immune responses against acute and chronic infection, controlling parasitemia, and reducing heart inflammation and parasite nests in heart tissue.
PLOS NEGLECTED TROPICAL DISEASES
(2021)
Article
Medicine, Research & Experimental
Tatsuya Karaki, Hisao Haniu, Yoshikazu Matsuda, Tamotsu Tsukahara
Summary: This study demonstrates the inhibitory effect of a certain lysophospholipids (LPLs) species extracted from porcine liver decomposition product (PLDP) on alpha-Synuclein (alpha-Syn) aggregation. Lysophosphatidylcholine (LPC) 16:0, LPC18:0, LPC18:1, and lysophosphatidylethanolamine (LPE) 16:0 contained in PLDP-extracted lipids (PEL) were found to strongly inhibit alpha-Syn aggregation. These findings suggest the potential of PLDP-derived LPLs as effective therapeutic agents against alpha-Synucleinopathies.
BIOMEDICINE & PHARMACOTHERAPY
(2022)
Article
Microbiology
Mariana C. de Alba Alvarado, Elia Torres Gutierrez, Margarita Cabrera Bravo, Edgar Zenteno Galindo, Jose Antonio Villarreal Munoz, Paz Maria Salazar Schettino, Martha Irene Bucio Torres
Summary: Symptoms in the acute phase of Chagas disease are usually mild and nonspecific. This study analyzed the cardiac histopathology in a mouse model during the acute phase to determine its involvement in the development of lesions in the cardiac tissue. The results revealed the presence of parasitism, fibrotic damage, and a cellular infiltrate, suggesting their role in the pathogenesis of Chagas disease.
Article
Immunology
Hernan Dario Vergara, Carlos H. Gomez, Alvaro A. Faccini-Martinez, Ana Catalina Herrera, Maria Jose Lopez, Camila Camacho, Lilian Munoz, Lissa Cruz-Saavedra, Carolina Hernandez, Juan David Ramirez
Summary: This report describes an acute Chagas disease outbreak among soldiers in Colombia. Confirmation of Trypanosoma cruzi infection was done through parasitology, serology, and molecular methods. Treatment with benznidazole resulted in favorable outcomes for hospitalized soldiers. Patrol personnel in rural areas of Colombia may face an increased risk for Chagas disease.
EMERGING INFECTIOUS DISEASES
(2023)
Article
Biology
Yaning Gao, Wanbo Tai, Xinyi Wang, Shibo Jiang, Asim K. Debnath, Lanying Du, Shizhong Chen
Summary: The gossypol derivative ST087010 exhibits potent and broad-spectrum inhibitory activity against various strains of ZIKV and serotypes of DENV, with reduced cytotoxicity compared to gossypol. It provides broad-spectrum protection in vivo, decreasing viral titers in different tissues and preventing vertical transmission of ZIKV in pregnant mice. Moreover, it reduces viral titers in various organs and protects against viral replication in DENV-challenged mice. Overall, this gossypol derivative shows potential as an effective and safe broad-spectrum therapeutic agent for ZIKV and DENV diseases.
Article
Cell Biology
Michittra Boonchan, Hideki Arimochi, Kunihiro Otsuka, Tomoko Kobayashi, Hisanori Uehara, Thiranut Jaroonwitchawan, Yuki Sasaki, Shin-ichi Tsukumo, Koji Yasutomo
Summary: The study demonstrates that RIPK3 and MLKL-mediated necroptosis has protective effects in acute pancreatitis, cautioning against the use of necroptosis inhibitors as a treatment for acute pancreatitis.
CELL DEATH & DISEASE
(2021)
Article
Neurosciences
Qingyun Guo, Ichiro Kawahata, Wenbin Jia, Haoyang Wang, An Cheng, Yasushi Yabuki, Norifumi Shioda, Kohji Fukunaga
Summary: This study utilized alpha Syn-derived peptides to validate their effects on alpha Syn neurotoxicity and behavioral impairments in a mouse model of Parkinson's disease. The peptides effectively prevented memory impairment and reduced the phosphorylation of alpha Syn, thereby preventing neuronal death.
CNS NEUROSCIENCE & THERAPEUTICS
(2023)
Article
Multidisciplinary Sciences
Paula Finamore-Araujo, Amanda Faier-Pereira, Carlos Ramon do Nascimento Brito, Eldrinei Gomes Peres, Klenicy Kazumy de Lima Yamaguchi, Renata Trotta Barroso Ferreira, Otacilio Cruz Moreira
Summary: Oral transmission of T. cruzi infection has become the most relevant mechanism in Brazil, with contaminated food or beverages being a major source of Chagas disease cases. A molecular method has been developed to detect and quantify T. cruzi DNA in acai berries, with the potential for high sensitivity and fast results to aid in the epidemiology, control, and surveillance of Chagas disease outbreaks.
Article
Infectious Diseases
Felipe Rodriguez, Brenda S. Luna, Olivia Calderon, Claudia Manriquez-Roman, Karsten Amezcua-Winter, Jonathan Cedillo, Rebeca Garcia-Vazquez, Itzel A. Tejeda, Alvaro Romero, Kenneth Waldrup, Douglas M. Watts, Camilo Khatchikian, Rosa A. Maldonado
Summary: The study identified the presence of triatomines and T. cruzi infections in feral and wild animals in residences in El Paso County, TX and surrounding communities in New Mexico, highlighting the high-risk areas for T. cruzi transmission. The majority of the samples belonged to the TcI genotype, signaling the urgent need for a public health epidemiological surveillance program for T. cruzi infections in the U.S.-Mexico border region.
PLOS NEGLECTED TROPICAL DISEASES
(2021)
Article
Infectious Diseases
Gisele Macedo Rodrigues da Cunha, Maira Araujo Azevedo, Denise Silva Nogueira, Marianna de Carvalho Climaco, Edward Valencia Ayala, Juan Atilio Jimenez Chunga, Raul Jesus Ynocente La Valle, Lucia Maria da Cunha Galvao, Egler Chiari, Carlos Ramon Nascimento Brito, Rodrigo Pedro Soares, Paula Monalisa Nogueira, Ricardo Toshio Fujiwara, Ricardo Gazzinelli, Robert Hincapie, Carlos-Sanhueza Chaves, Fabricio Marcus Silva Oliveira, M. G. Finn, Alexandre Ferreira Marques
Summary: Chagas disease, caused by Trypanosoma cruzi, lacks an approved vaccine and adequate treatment for chronic infection. This study demonstrates that a vaccine utilizing virus-like particles can induce beneficial effects, including immune responses against acute and chronic infection, controlling parasitemia, and reducing heart inflammation and parasite nests in heart tissue.
PLOS NEGLECTED TROPICAL DISEASES
(2021)
Article
Medicine, General & Internal
Cristina Alonso-Vega, Julio A. Urbina, Sergi Sanz, Maria-Jesus Pinazo, Jimy Jose Pinto, Virginia R. Gonzalez, Gimena Rojas, Lourdes Ortiz, Wilson Garcia, Daniel Lozano, Dolors Soy, Rosa A. Maldonado, Rana Nagarkatti, Alain Debrabant, Alejandro Schijman, M. Carmen Thomas, Manuel Carlos Lopez, Katja Michael, Isabela Ribeiro, Joaquim Gascon, Faustino Torrico, Igor C. Almeida
Summary: Chagas disease affects millions worldwide with current drugs showing lower efficacy and high incidence of adverse events, prompting the need for new chemotherapy regimens to improve efficacy and reduce AEs. The TESEO study aims to compare the safety and efficacy of new proposed chemotherapy regimens with current standard treatments, evaluating outcomes for 36 months post-treatment.
Article
Infectious Diseases
Paula Finamore-Araujo, Gabriel Lucio Silva da Fonseca, Cecilia Stahl Vieira, Daniele Pereira de Castro, Otacilio Cruz Moreira
Summary: In this study, a new Real-Time PCR with Reverse Transcription (RT-qPCR) was developed to determine T. cruzi viability in R. prolixus samples. The amplification signals of DNA and mRNA were compared to analyze the colonization kinetics of T. cruzi in experimentally infected R. prolixus. The results suggest that RNA can serve as a molecular viability marker for parasite activity and contribute to understanding the dynamics of parasite infection in invertebrate hosts.
PLOS NEGLECTED TROPICAL DISEASES
(2022)
Article
Biochemistry & Molecular Biology
Alba L. Montoya, Elisa G. Carvajal, Uriel Ortega-Rodriguez, Igor L. Estevao, Roger A. Ashmus, Sohan R. Jankuru, Susana Portillo, Cameron C. Ellis, Colin D. Knight, Julio Alonso-Padilla, Luis Izquierdo, Maria-Jesus Pinazo, Joaquim Gascon, Veronica Suarez, Douglas M. Watts, Iliana R. Malo, Janine M. Ramsey, Belkisyole Alarcon De Noya, Oscar Noya, Igor C. Almeida, Katja Michael
Summary: Chagas disease, caused by the parasite Trypanosoma cruzi, affects millions of people worldwide. The diagnosis and treatment assessment of Chagas disease is challenging due to parasite diversity and the lack of biomarkers. This study explores the potential of glycosylphosphatidylinositol-anchored mucins as biomarkers for diagnosis and treatment assessment in Chagas disease patients.
Article
Immunology
Sayonara M. Viana, Alba L. Montoya, Augusto M. Carvalho, Brunele S. de Mendonca, Susana Portillo, Janet J. Olivas, Nasim H. Karimi, Igor L. Estevao, Uriel Ortega-Rodriguez, Edgar M. Carvalho, Walderez O. Dutra, Rosa A. Maldonaldo, Katja Michael, Camila de Oliveira, Igor C. Almeida
Summary: This study evaluated the seroreactivity of TL patients across its clinical spectrum using a chemiluminescent immunoassay and found that NGP28b exhibited high sensitivity and specificity, especially with SC sera, in the diagnosis of TL.
EMERGING MICROBES & INFECTIONS
(2022)
Article
Biochemistry & Molecular Biology
Natalia Lins da Silva-Gomes, Leonardo Alexandre de Souza Ruivo, Claudia Moreira, Marcelo Meuser-Batista, Cristiane Franca da Silva, Denise da Gama Jaen Batista, Stenio Fragoso, Gabriel Melo de Oliveira, Maria de Nazare Correia Soeiro, Otacilio C. Moreira
Summary: In this study, genetically modified strains of Trypanosoma cruzi were used to evaluate the role of NTPDases in parasite infectivity. The results showed that parasites overexpressing TcNTPDase-1 had higher infectivity, while hemi-knockout parasites had lower infectivity and no significant electrocardiographic changes. These findings highlight the potential of NTPDases as a therapeutic target for Chagas disease.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Editorial Material
Microbiology
Susana Portillo
Summary: In this mSphere of Influence, Susana Portillo discusses the impact of two pertussis vaccine articles on her research in the field of mother-infant immunity. She highlights the need for further understanding of maternal antibodies' role in preventing infant illnesses, their interaction with other immune components, and their influence on infant vaccination response. Portillo emphasizes the importance of safe and effective interventions to strengthen maternal and infant immunity before and after birth.
Article
Microbiology
Carolina Valenca-Barbosa, Paula Finamore-Araujo, Otacilio Cruz Moreira, Marcus Vinicius Niz Alvarez, Andre Borges-Veloso, Silvia Ermelinda Barbosa, Lileia Diotaiuti, Rita de Cassia Moreira de Souza
Summary: This study characterizes the parasitic and epidemiological aspects of the sylvatic population of Triatoma melanica in rural areas of Minas Gerais, Brazil. The findings highlight the need for surveillance and control measures for this vector species.
Article
Medicine, General & Internal
Luciane Almeida Amado, Wagner Luis da Costa Nunes Pimentel Coelho, Arthur Daniel Rocha Alves, Vanessa Cristine de Souza Carneiro, Otacilio da Cruz Moreira, Vanessa Salete de Paula, Andreza Salvio Lemos, Larissa Araujo Duarte, Elisa Gouvea Gutman, Fabricia Lima Fontes-Dantas, Joao Paulo da Costa Goncalves, Carlos Henrique Ferreira Ramos, Carlos Henrique Ferreira Ramos Filho, Marta Guimaraes Cavalcanti, Marisa Pimentel Amaro, Rafael Lopes Kader, Roberto de Andrade Medronho, Dmitry Jose de Santana Sarmento, Soniza Vieira Alves-Leon
Summary: Since the declaration of COVID-19 as a pandemic, Brazil has been severely affected. The second wave of COVID-19, caused by a new SARS-CoV-2 variant, has led to an increase in severe cases and a higher need for invasive respiratory support. Laboratory biomarkers related to various bodily functions were significantly associated with severe COVID-19.
JOURNAL OF CLINICAL MEDICINE
(2023)
Article
Medicine, General & Internal
Ana Carolina Oliveira, Amanda Roberta Revoredo Vicentino, Daniele Andrade, Isabela Resende Pereira, Leonardo Saboia-Vahia, Otacilio da Cruz Moreira, Carla Eponina Carvalho-Pinto, Julia Barbalho da Mota, Leonardo Maciel, Glaucia Vilar-Pereira, Joao B. Pesquero, Joseli Lannes-Vieira, Pierre Sirois, Antonio Carlos Campos de Carvalho, Julio Scharfstein
Summary: We investigated the role of B1R receptor in the development of Chagas disease caused by Trypanosoma cruzi. Our findings suggest that blocking the B1R receptor can reduce heart parasitism and cardiac injury in acute and chronic Chagas disease.
JOURNAL OF CLINICAL MEDICINE
(2023)
Article
Biology
Otacilio C. Moreira, Alice Gomes Fernandes, Natalia Lins da Silva Gomes, Carolina Messias dos Santos, Thiago Jacomasso, Alexandre Dias Tavares Costa, Lucas de O. Rossetti Nascimento, Alejandro Marcel Hasslocher-Moreno, Pedro Emmanuel Alvarenga Americano do Brasil, Luis Gustavo Morello, Fabricio Klerynton Marchini, Marco Aurelio Krieger, Constanca Britto
Summary: In the absence of validated biomarkers, PCR-based diagnosis is being used for an early indication of therapeutic failure in Chagas disease. The NAT Chagas kit, based on qPCR, has been validated as an excellent alternative for molecular diagnosis in both public and private diagnostic centers. It showed 100% sensitivity and specificity in comparison to the in-house real-time PCR assay.
Article
Biochemistry & Molecular Biology
Vanessa Cristine de Souza Carneiro, Otacilio da Cruz Moreira, Wagner Luis da Costa Nunes Pimentel Coelho, Beatriz Chan Rio, Dmitry Jose de Santana Sarmento, Andreza Lemos Salvio, Soniza Vieira Alves-Leon, Vanessa Salete de Paula, Luciane Almeida Amado Leon
Summary: In patients co-infected with COVID-19 and HHV-6, miRNA is associated with neurological manifestations and may serve as potential biomarkers for diagnosis and therapeutic strategies of neurological disorders.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)