Article
Biochemistry & Molecular Biology
Qing-Xin Ji, Fei-Yan Zeng, Jian Zhou, Wen-Bin Wu, Xu-Jie Wang, Zhen Zhang, Guo-Yan Zhang, Jie Tong, Di-Yang Sun, Jia-Bao Zhang, Wen-Xiang Cao, Fu-Ming Shen, Jin-Jian Lu, Dong-Jie Li, Pei Wang
Summary: This study explores the potential role of ferroptosis in smooth muscle cell (SMC) phenotypic switch and neointimal formation. It found that ferroptotic stress is triggered in dedifferentiated SMCs and arterial neointimal tissue. Inhibition of ferroptosis delays SMC phenotype switch and arterial remodeling, while ferroptosis stress directly triggers SMC dedifferentiation.
CELL DEATH AND DIFFERENTIATION
(2023)
Review
Biochemistry & Molecular Biology
Chun-Yan Kong, Zhen Guo, Peng Song, Xin Zhang, Yu-Pei Yuan, Teng Teng, Ling Yan, Qi-Zhu Tang
Summary: This review provides a comprehensive overview of the mechanisms underlying the oxidative stress and cell death pathways induced by doxorubicin, which are the major factors responsible for the acute cardiotoxicity. The authors aim to offer new insights for researchers to discover potential therapeutic strategies to prevent or reverse doxorubicin-induced cardiotoxicity.
INTERNATIONAL JOURNAL OF BIOLOGICAL SCIENCES
(2022)
Article
Environmental Sciences
Carlos Villaorduna, Mariano Mendoza-Carlos, Manuel Chuyma, Jhon Aviles, Ayda Avalos-Diaz, Ronald Lozano-Reategui, Juan Garcia-Ruiz, Nadia Panduro-Tenazoa, Jessy Vargas, Ysabel Moran-Quintanilla, Jose-Luis Rodriguez
Summary: Ipconazole, an antifungal agrochemical, poses a hazard to human, animal, and environmental health due to its widespread use in agriculture and easy accumulation in the environment. Our study investigated the cytotoxic effects of ipconazole on SH-SY5Y neuroblastoma cells, revealing a dose-dependent reduction in cell viability, increased ROS production, and induction of cell death. These findings suggest that ipconazole exposure may contribute to neurotoxicity or neurodegeneration.
Review
Biochemistry & Molecular Biology
Nicolas Rosa, Femke Speelman-Rooms, Jan B. Parys, Geert Bultynck
Summary: Members of the Bcl-2 protein family play important roles in controlling apoptotic cell death. Beyond their well-known functions in the mitochondria, these proteins also modulate intracellular Ca2+ signals originating from the endoplasmic reticulum. Recent studies have revealed new insights into the functions and interactions of Bcl-2 and Bcl-xL, opening up new possibilities for the treatment of Bcl-xL-dependent cancers.
BIOCHIMICA ET BIOPHYSICA ACTA-REVIEWS ON CANCER
(2022)
Review
Immunology
Yili Zhang, Xinyi Huang, Baoyu Qi, Chuanrui Sun, Kai Sun, Ning Liu, Liguo Zhu, Xu Wei
Summary: Ferroptosis plays a crucial role in musculoskeletal disorders and has potential as a treatment strategy. However, more research is needed to understand its toxicity to other organs.
FRONTIERS IN IMMUNOLOGY
(2022)
Article
Cell Biology
Ju-Won Jang, Pham Xuan Thuy, Jae-Wook Lee, Eun-Yi Moon
Summary: The study shows that under hypoxic conditions, CXCR4 may regulate B cell viability by binding of HIF-1 alpha and Nrf2 to the CXCR4 gene promoter cooperatively. This suggests that CXCR4 could be a therapeutic target to control B cells with roles at disease sites under hypoxic conditions.
CELL DEATH & DISEASE
(2021)
Article
Biochemistry & Molecular Biology
Alexander A. Tokmakov, Yudai Morichika, Ryuga Teranishi, Ken-Ichi Sato
Summary: This study demonstrates that oxidative stress can induce overactivation of frog eggs, which is a calcium-dependent phenomenon and can be attenuated by the selective calcium chelator BAPTA. Several intracellular events, such as degradation of cyclin B2 and decline in mitochondrial membrane potential, occur in overactivated eggs. Furthermore, plasma membrane integrity is compromised in overactivated eggs.
Review
Biochemistry & Molecular Biology
Tapan Behl, Rashita Makkar, Aayush Sehgal, Sukhbir Singh, Neelam Sharma, Gokhan Zengin, Simona Bungau, Felicia Liana Andronie-Cioara, Mihai Alexandru Munteanu, Mihaela Cristina Brisc, Diana Uivarosan, Ciprian Brisc
Summary: The human body is complex and comprises various living cells and extracellular material forming tissues, organs, and organ systems. While most human cells turnover regularly, postmitotic nerve cells have the exceptional ability to regenerate and sustain throughout an individual's life to safeguard the central nervous system's functioning. Neurodegenerative diseases, such as Parkinson's and Alzheimer's disease, result from factors like oxidative stress, cell death, and neuroinflammation, causing neuronal degradation and impacting the quality of life for millions worldwide.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Article
Multidisciplinary Sciences
Yuan-Chii Gladys Lee, Hsiu-Chu Chou, Yen-Ting Chen, Szu-Yu Tung, Tsui-Ling Ko, Batsaikhan Buyandelger, Li-Li Wen, Shu-Hui Juan
Summary: This study demonstrated the therapeutic potency of l-Carnitine in perfluorooctanesulfonate (PFOS)-treated renal tubular cells (RTCs). l-Carnitine reduced oxidative stress, restored mitochondrial function, and attenuated endoplasmic reticulum (ER) stress, leading to decreased cell autophagy/apoptosis and increased cell viability in RTCs. These findings provide insights into the potential mechanism of PFOS-induced RTC apoptosis and suggest a new strategy using l-Carnitine to prevent and treat PFOS-induced RTC apoptosis.
SCIENTIFIC REPORTS
(2022)
Article
Chemistry, Multidisciplinary
Yuxiang Wang, Yawen Ding, Dan Yao, Hong Dong, Changwei Ji, Jinhui Wu, Yiqiao Hu, Ahu Yuan
Summary: The use of Cu-based nanoscale coordination polymers in combination with radiation therapy can induce potent ICD, leading to enhanced dendritic cell maturation and promotion of anti-tumor T-cell infiltration, which can potentiate the efficacy of checkpoint blockade immunotherapies against primary and metastatic tumors.
Article
Pediatrics
David Garcia, Jennifer F. Carr, Felix Chan, Abigail L. Peterson, Kimberlyn A. Ellis, Alejandro Scaffa, Andrew J. Ghio, Hongwei Yao, Phyllis A. Dennery
Summary: This research reveals that even a very short exposure to high oxygen concentrations can lead to long-term cellular injury in lung epithelial cells, affecting mitochondrial function and alveolarization. The study highlights the long-term residual effects of a short period of hyperoxia on cellular metabolism and the development of alveolar simplification in neonatal mice. The findings suggest that any exposure to clinical hyperoxia can result in persistent lung dysfunction.
PEDIATRIC RESEARCH
(2021)
Article
Multidisciplinary Sciences
Bartosz Wiernicki, Sophia Maschalidi, Jonathan Pinney, Sandy Adjemian, Tom Vanden Berghe, Kodi S. Ravichandran, Peter Vandenabeele
Summary: Ferroptosis, a form of cell death characterized by iron accumulation and lipid peroxidation, has lower immunogenicity compared to other cell death modalities, inhibiting the maturation and antigen cross-presentation of immune cells and hence weakening the anti-tumor immune response.
NATURE COMMUNICATIONS
(2022)
Article
Cell Biology
Wenqing Xie, Yue Shan, Zhuonan Wu, Nan Liu, Jinjin Yang, Hanlin Zhang, Shiming Sun, Jufang Chi, Weizhong Feng, Hui Lin, Hangyuan Guo
Summary: The study reveals the important role and therapeutic value of Homocysteine-inducible Endoplasmic Reticulum Stress Protein with Ubiquitin Like Domain 1 (Herpud1) in Homocysteine-induced Calcific Aortic Valve Disease (CAVD). It is found that Herpud1 deficiency inhibits the development of CAVD induced by homocysteine and activates cell autophagy to inhibit the osteogenic differentiation of AVICs. Moreover, inhibiting endoplasmic reticulum stress and Herpud1 biosynthesis can alleviate AVIC calcification induced by homocysteine and mitigate aortic valve calcification.
CELL BIOLOGY AND TOXICOLOGY
(2023)
Article
Engineering, Biomedical
Jueun Jeon, Been Yoon, Anup Dey, Seok Ho Song, Yuce Li, Hyeyeon Joo, Jae Hyung Park
Summary: To enhance the immunogenicity of Doxorubicin (DOX), researchers developed a ROS-responsive self-immolative polymer (R-SIP) that efficiently destroys redox homeostasis in cancer cells. The DOX-encapsulated R-SIP (DR-SIP) induces immunogenic cell death and promotes dendritic cell maturation. In vivo studies showed that DR-SIP significantly inhibits tumor growth.
Article
Environmental Sciences
Shuang Xu, Xiaoran Sun, Jiawei Wu, Kan Li, Xueying Li, Yanhe Zhang, Xue-jiao Gao
Summary: The common brominated flame retardant Tetrabromobisphenol A (TBBPA) has toxic effects on the digestive system. TBBPA causes damage to the gastric mucosa through oxidative stress, leading to the activation of ROS, NF-κB pathway, inflammatory response, and cell apoptosis.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2023)
Review
Cardiac & Cardiovascular Systems
Damian Gatica, Mario Chiong, Sergio Lavandero, Daniel J. Klionsky
Summary: Macroautophagy/autophagy is a crucial cellular process involved in catabolic recycling, and dysregulation of autophagy is associated with cardiovascular diseases.
CARDIOVASCULAR RESEARCH
(2022)
Article
Cell Biology
Rodrigo Espinosa, Karla Gutierrez, Javiera Rios, Fernando Ormeno, Liliana Yanten, Pablo Galaz-Davison, Cesar A. Ramirez-Sarmiento, Valentina Parra, Amelina Albornoz, Ivan E. Alfaro, Patricia Burgos, Eugenia Morselli, Alfredo Criollo, Mauricio Budini
Summary: The intake of food high in saturated fatty acids is linked to obesity and insulin resistance. Studies have shown that palmitic and stearic acids can accumulate in the hypothalamus, impacting autophagy function and insulin response. Inhibition of chaperone-mediated autophagy by saturated fatty acids in hypothalamic neurons may have implications for vesicle formation, mitochondrial function, and insulin response.
Article
Cell Biology
Yenniffer Avalos, Maria Paz Hernandez-Caceres, Pablo Lagos, Daniela Pinto-Nunez, Patricia Rivera, Paulina Burgos, Francisco Diaz-Castro, Michelle Joy-Immediato, Leslye Venegas-Zamora, Erik Lopez-Gallardo, Catalina Kretschmar, Ana Batista-Gonzalez, Flavia Cifuentes-Araneda, Lilian Toledo-Valenzuela, Marcelo Rodriguez-Pena, Jasson Espinoza-Caicedo, Claudio Perez-Leighton, Cristina Bertocchi, Mauricio Cerda, Rodrigo Troncoso, Valentina Parra, Mauricio Budini, Patricia Burgos, Alfredo Criollo, Eugenia Morselli
Summary: Palmitic acid leads to the loss of primary cilia in the hypothalamus, impairing insulin signaling and insulin sensitivity.
CELL DEATH & DISEASE
(2022)
Article
Pharmacology & Pharmacy
Ignacio Norambuena-Soto, Camila Lopez-Crisosto, Javiera Martinez-Bilbao, Carolina Hernandez-Fuentes, Valentina Parra, Sergio Lavandero, Mario Chiong
Summary: Angiotensin-(1-9) is a promising antihypertensive drug that reduces blood pressure and end-organ damage caused by hypertension through activation of the AT2R receptor. Synthetic AT2R agonists have been developed, but more research is needed to successfully translate this finding into clinical applications.
BIOCHEMICAL PHARMACOLOGY
(2022)
Article
Nutrition & Dietetics
Pamela Pino-Seguel, Omara Moya, Juan Carlos Borquez, Francisco de la Fuente, Francisco Diaz-Castro, Camila Donoso-Barraza, Miguel Llanos, Rodrigo Troncoso, Roberto Bravo-Sagua
Summary: The study on sucralose in an obesity model showed that it has a reducing effect on weight gain, glucose and pyruvate intolerance, and prevents the decrease in physical performance. Additionally, sucralose also helps prevent the decrease in mitochondrial mass in the liver caused by a high-fat diet.
FRONTIERS IN NUTRITION
(2022)
Editorial Material
Cardiac & Cardiovascular Systems
Mario Chiong, Miles D. Houslay, Sergio Lavandero
Review
Pharmacology & Pharmacy
Mayarling F. Troncoso, Magda C. Diaz-Vesga, Fernanda Sanhueza-Olivares, Jaime A. Riquelme, Marioly Muller, Luis Garrido, Luigi Gabrielli, Mario Chiong, Ramon Corbalan, Pablo F. Castro, Sergio Lavandero
Summary: This review discusses the potential targeting of VCAM-1 in atherosclerosis, diabetes, hypertension, and ischemia/reperfusion injury, and highlights that VCAM-1 may be a promising therapeutic target for vascular diseases.
EXPERT OPINION ON THERAPEUTIC TARGETS
(2023)
Article
Biochemistry & Molecular Biology
Lautaro Briones-Suarez, Mariana Cifuentes, Roberto Bravo-Sagua
Summary: Obesity-induced inflammation in adipose tissue has harmful effects on organs like the liver. The activation of the calcium-sensing receptor in pre-adipocytes results in the secretion of pro-inflammatory cytokines, TNF-alpha, and IL-1 beta. These cytokines promote cell senescence and mitochondrial dysfunction in HepG2 cells.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Biochemistry & Molecular Biology
Pia Apablaza, Juan Carlos Borquez, Rodrigo Mendoza, Monica Silva, Gladys Tapia, Alejandra Espinosa, Rodrigo Troncoso, Luis A. Videla, Nevenka Juretic, Andrea del Campo
Summary: Increase in body fat leads to changes in skeletal muscle and accelerates sarcopenia, known as sarco-obesity or sarcopenic obesity. Obesity affects the skeletal muscle's ability to oxidize glucose and causes mitochondrial dysfunction. Exercise improves mitochondrial dysfunction, but the effects on the mitochondrial unfolded protein response (UPRmt) in the skeletal muscle are not well understood. This study aimed to investigate the UPRmt response to exercise in obese mice and its association with skeletal muscle function improvement.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Review
Physiology
Roberto Bravo-Sagua, Camila Lopez-Crisosto, Alfredo Criollo, Reiko Inagi, Sergio Lavandero
Summary: Organelles are membrane-lined structures that compartmentalize subcellular biochemical functions. Interorganelle communication is crucial for cellular responses. Evidence suggests that other organelles play important roles in pathophysiological conversation.
Article
Medicine, General & Internal
Hugo E. E. Verdejo, Adolfo Rojas, Camila Lopez-Crisosto, Fernando Baraona, Luigi Gabrielli, Vinicius Maracaja-Coutinho, Mario Chiong, Sergio Lavandero, Pablo F. F. Castro
Summary: This study investigated the role of trimetazidine in patients with PAH and found that it improved right ventricular function, remodeling, and functional class. Trimetazidine use was safe and well-tolerated, and it led to increased exercise capacity and minor improvements in RV remodeling.
JOURNAL OF CLINICAL MEDICINE
(2023)
Article
Cell Biology
Cesar Vasquez-Trincado, Mario Navarro-Marquez, Pablo E. Morales, Francisco Westermeier, Mario Chiong, Valentina Parra, Alejandra Espinosa, Sergio Lavandero
Summary: Cardiovascular diseases caused by high-fat foods are on the rise, leading to lipotoxicity at the cellular level. This study established a cardiomyocyte lipotoxicity model using the saturated fatty acid myristate and found that increased levels of the mitochondrial protein MUL1 were associated with mitochondrial fragmentation and cardiomyocyte hypertrophy. These findings reveal a novel connection between cardiomyocytes and lipotoxic stress.
FRONTIERS IN CELL AND DEVELOPMENTAL BIOLOGY
(2023)
Article
Nutrition & Dietetics
Matias Monsalves-Alvarez, Teresa Jimenez, Daniel Bunout, Gladys Barrera, Sandra Hirsch, Carlos Sepulveda-Guzman, Claudio Silva, Juan M. Rodriguez, Rodrigo Troncoso, Maria Pia de la Maza
Summary: This study compares the body composition and metabolic changes in overweight and obese Chilean women and men after 3 months of weight loss treatment with a Mediterranean-type hypocaloric diet, high-intensity interval training (HIIT), or both. The results show that the hypocaloric diet mainly reduces fat mass but causes a loss of skeletal muscle mass, which can be prevented by HIIT.
FRONTIERS IN NUTRITION
(2023)
Article
Biology
Carlos Sepulveda, Juan Manuel Rodriguez, Matias Monsalves-Alvarez, Camila Donoso-Barraza, Francisco de la Fuente, Isabelle Matias, Thierry Leste-Lasserre, Philippe Zizzari, Eugenia Morselli, Daniela Cota, Miguel Llanos, Rodrigo Troncoso
Summary: The endocannabinoid system (ECS) regulates energy metabolism and is involved in the pathogenesis of metabolic diseases. Autophagy is associated with various cellular processes and its deregulation is linked to diseases. This study found that the CB1 receptor controls autophagy in the skeletal muscle of both lean and obese mice.
BIOLOGICAL RESEARCH
(2023)
Correction
Biochemistry & Molecular Biology
Siew Chin Chan, Chih-Wei Tung, Chia-Wei Lin, Yun-Shiuan Tung, Po-Min Wu, Pei-Hsun Cheng, Chuan-Mu Chen, Shang-Hsun Yang
FREE RADICAL BIOLOGY AND MEDICINE
(2024)
Article
Biochemistry & Molecular Biology
Suyuan Liu, Meiling Tan, Jiangxue Cai, Chenxuan Li, Miaoxin Yang, Xiaoxiao Sun, Bin He
Summary: This study reveals that the antibiotic doxycycline effectively inhibits NLRP3 inflammasome activation by targeting mitochondrial translation and mtDNA synthesis, offering potential for the treatment of NLRP3-related diseases.
FREE RADICAL BIOLOGY AND MEDICINE
(2024)
Article
Biochemistry & Molecular Biology
Hao Liu, Nana Li, Ge Kuang, Xia Gong, Ting Wang, Jun Hu, Hui Du, Minxuan Zhong, Jiashi Guo, Yao Xie, Yang Xiang, Shengwang Wu, Yiling Yuan, Xinru Yin, Jingyuan Wan, Ke Li
Summary: Protectin D1 (PTD1) improves hepatic steatosis, inflammation and fibrosis in a NASH mouse model by inhibiting the activation of TLR4 downstream signaling pathway, possibly through upregulation of IRAK-M expression, suggesting a potential new treatment for NASH.
FREE RADICAL BIOLOGY AND MEDICINE
(2024)