Top read articles in the last 30 days
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Abstract
Statins lower cholesterol, reducing the risk of heart disease, and are among the most frequently prescribed drugs. Approximately 10% of individuals develop statin-associated muscle symptoms (SAMS; myalgias, rhabdomyolysis, and muscle weakness), often rendering them statin intolerant. The mechanism underlying SAMS remains poorly understood. Patients with mutations in the skeletal muscle ryanodine receptor 1 (RyR1)/calcium release channel can be particularly intolerant of statins. High-resolution structures revealed simvastatin binding sites in the pore region of RyR1. Simvastatin stabilized the open conformation of the pore and activated the RyR1 channel. In a mouse expressing a mutant RyR1-T4709M found in a patient with profound statin intolerance, simvastatin caused muscle weakness associated with leaky RyR1 channels. Cotreatment with a Rycal drug that stabilizes the channel closed state prevented simvastatin-induced muscle weakness. Thus, statin binding to RyR1 can cause SAMS, and patients with RyR1 mutations may represent a high-risk group for statin intolerance.
Authors
Gunnar Weninger, Haikel Dridi, Steven Reiken, Qi Yuan, Nan Zhao, Linda Groom, Jennifer Leigh, Yang Liu, Carl Tchagou, Jiayi Kang, Alexander Chang, Estefania Luna-Figueroa, Marco C. Miotto, Anetta Wronska, Robert T. Dirksen, Andrew R. Marks
Total views: 3545
Abstract
Neutrophil extracellular traps (NETs) are associated with cancer progression; however, the functional role and clinical importance of NET-DNA in therapeutic resistance remain unclear. Here, we show that chemotherapy and radiotherapy provoke NET-DNA formation in primary tumor and metastatic organs in breast cancer patients and mouse models, and the level of NET-DNA correlates with treatment resistance. Mechanistically, the cathepsin C in tumor debris generated by anticancer therapy is phagocytosed by macrophages and drives CXCL1/2 and complement factor B production via activating the TLR4/NF-κB signaling pathway, subsequently promoting NETosis and impairing therapeutic efficacy. Importantly, we demonstrate that NET-DNA sensor CCDC25 is indispensable in NET-mediated treatment resistance by inducing cancer cell epithelial-mesenchymal transition via pyruvate kinase isoform M2–mediated STAT3 phosphorylation. Clinically, tumoral CCDC25 abundance is closely associated with poor prognosis in patients who underwent chemotherapy. Overall, our data reveal the mechanism of NET formation and elucidate the interaction of NET-CCDC25 in therapy resistance, highlighting CCDC25 as an appealing target for anticancer interventions.
Authors
Heliang Li, Yetong Zhang, Jianghua Lin, Jiayi Zeng, Xinyan Liang, Linxi Xu, Jiang Li, Xiaoming Zhong, Xu Liu, Zhou Liu, Xinyu Yang, Yunyi Zhang, Shun Wang, Erwei Song, Man Nie, Linbin Yang
Total views: 2895
Abstract
Mixed hematopoietic chimerism after allogeneic hematopoietic cell transplantation (HCT) promotes tolerance of transplanted donor-matched solid organs, corrects autoimmunity, and could transform therapeutic strategies for autoimmune type 1 diabetes (T1D). However, development of nontoxic bone marrow conditioning protocols is needed to expand clinical use. We developed a chemotherapy-free, nonmyeloablative (NMA) conditioning regimen that achieves mixed chimerism and allograft tolerance across MHC barriers in NOD mice. We obtained durable mixed hematopoietic chimerism in prediabetic NOD mice using anti–CD117 monoclonal antibody, T cell depleting antibodies, JAK1/2 inhibition, and low-dose total body irradiation prior to transplantation of MHC-mismatched B6 hematopoietic cells, preventing diabetes in 100% of chimeric NOD:B6 mice. In overtly diabetic NOD mice, NMA conditioning followed by combined B6 HCT and islet transplantation durably corrected diabetes in 100% of chimeric mice without chronic immunosuppression or graft-versus-host disease (GVHD). Chimeric mice remained immunocompetent, as assessed by blood count recovery and rejection of third-party allogeneic islets. Adoptive transfer studies and analysis of autoreactive T cells confirmed correction of autoimmunity. Analysis of chimeric NOD mice revealed central thymic deletion and peripheral tolerance mechanisms. Thus, with NMA conditioning and cell transplantation, we achieved durable hematopoietic chimerism without GVHD, promoted islet allograft tolerance, and reversed established T1D.
Authors
Preksha Bhagchandani, Stephan A. Ramos, Bianca Rodriguez, Xueying Gu, Shiva Pathak, Yuqi Zhou, Yujin Moon, Nadia Nourin, Charles A. Chang, Jessica Poyser, Brenda J. Velasco, Weichen Zhao, Hye-Sook Kwon, Richard Rodriguez, Diego M. Burgos, Mario A. Miranda, Everett Meyer, Judith A. Shizuru, Seung K. Kim
Total views: 2667
Abstract
Cuproptosis involves accumulation of intracellular copper that triggers mitochondrial lipoylated protein aggregation and destabilization of iron–sulfur cluster proteins, leading to cell death. Pharmacologic induction of cuproptosis has been proposed as a cancer therapy. Here, we find that glioblastoma (GBM) stem cells (GSCs) displayed relative resistance to cuproptosis with circadian variation of intracellular copper levels. CRISPR screening of copper regulators under concurrent treatment with copper ionophore or clock disruption revealed dependency on ATPase copper transporting alpha (ATP7A). Circadian control of copper homeostasis was mediated by the core clock transcription factor, brain and muscle ARNT-like 1 (BMAL1). In turn, ATP7A promoted tumor cell growth through regulation of fatty acid desaturation. Copper levels negatively fed back into the circadian circuitry through sequestosome 1/p62–mediated lysosomal degradation of BMAL1. Targeting the circadian clock or fatty acid desaturation augmented cuproptosis antitumor effects. Crosstalk between the core circadian clock and copper sustains GSCs, reshaping fatty acid metabolism and promoting drug resistance, which may inform development of combination therapies for GBM.
Authors
Fanen Yuan, Xujia Wu, Huairui Yuan, Donghai Wang, Tengfei Huang, Po Zhang, Hailong Mi, Weichi Wu, Suchet Taori, Priscilla Chan, Kenji Miki, Maged T. Ghoche, Linjie Zhao, Kalil G. Abdullah, Steve A. Kay, Qiulian Wu, Jeremy N. Rich
Total views: 2245
Abstract
The c-Jun N-terminal kinases (JNKs) regulate diverse physiological processes. Whereas JNK1 and JNK2 are broadly expressed and associated with insulin resistance, inflammation, and stress responses, JNK3 is largely restricted to central nervous system neurons and pancreatic β cells, and its physiological role in β cells remains poorly defined. To investigate its function, we generated mice lacking JNK3 specifically in β cells (βJNK3-KO). These mice displayed glucose intolerance and defective insulin secretion, particularly after oral glucose challenge, indicating impaired incretin responses. Consistently, Exendin-4–stimulated (Ex4-stimulated) insulin secretion was blunted in βJNK3-KO islets, accompanied by reduced GLP-1R expression. Similar findings were observed in human islets treated with a selective JNK3 inhibitor (iJNK3). Downstream of GLP-1R, Ex4-induced CREB phosphorylation was diminished in βJNK3-KO islets, indicating impaired canonical signaling. Moreover, activation of the GLP-1R/CREB/IRS2 pathway, a key regulator of β cell survival, was reduced in βJNK3-KO islets and iJNK3-treated human islets. As a consequence, the protective effects of Ex4 were lost in cytokine-treated βJNK3-KO and human islets, and Ex4-mediated protection was partially attenuated in βJNK3-KO mice exposed to multiple low-dose streptozotocin. These findings identify JNK3 as a regulator of β cell function and survival and suggest that targeting this pathway may enhance incretin-based therapies.
Authors
Ruy A. Louzada, Marel Gonzalez Medina, Valentina Pita-Grisanti, Jessica Bouviere, Amanda F. Neves, Joana Almaça, Myoung Sook Han, Roger J. Davis, Gil Leibowitz, Manuel Blandino-Rosano, Ernesto Bernal-Mizrachi
Total views: 2009
Abstract
Pancreatic ductal adenocarcinoma (PDAC) occurs as a complex, multifaceted event driven by the interplay of tumor-permissive genetic mutations, the nature of the cellular origin, and microenvironmental stress. In this study, using primary human pancreatic acinar 3D organoids, we performed a CRISPR-KO screen targeting 199 potential tumor suppressors curated from clinical PDAC samples. Our data revealed significant enrichment of a list of candidate genes, with neurofibromatosis type 2 associated gene (NF2) emerging as the top target. Functional validation confirmed that loss of NF2 promoted the transition of PDAC to an invasive state, potentially through extracellular matrix modulation. NF2 inactivation was found to enhance PDAC cell fitness under nutrient starvation. This adaptation not only reinforced the oncogenic state but also conferred therapeutic resistance. Additionally, we found that NF2 loss was associated with fibroblast heterogeneity and cancer-stroma communication in tumor evolution. These findings establish NF2 as a critical tumor suppressor in PDAC and uncover its role in mediating nutrient adaptation and drug resistance. Importantly, this study provides additional insights into drug resistance mechanisms and potential therapeutic targets in PDAC.
Authors
Yi Xu, Michael H. Nipper, Angel A. Dominguez, Chenhui He, Francis E. Sharkey, Sajid Khan, Han Xu, Daohong Zhou, Lei Zheng, Yu Luan, Jun Liu, Pei Wang
Total views: 1918
Abstract
BACKGROUND Previous epidemiologic studies of autoimmune diseases in the US have included a limited number of diseases or used metaanalyses that rely on different data collection methods and analyses for each disease.METHODS To estimate the prevalence of autoimmune diseases in the US, we used electronic health record data from 6 large medical systems in the US. We developed a software program using common methodology to compute the estimated prevalence of autoimmune diseases alone and in aggregate that can be readily used by other investigators to replicate or modify the analysis over time.RESULTS Our findings indicate that over 15 million people, or 4.6% of the US population, have been diagnosed with at least 1 autoimmune disease from January 1, 2011, to June 1, 2022, and 34% of those are diagnosed with more than 1 autoimmune disease. As expected, females (63% of those with autoimmune disease) were almost twice as likely as males to be diagnosed with an autoimmune disease. We identified the top 20 autoimmune diseases based on prevalence and according to sex and age.CONCLUSION Here, we provide, for what we believe to be the first time, a large-scale prevalence estimate of autoimmune disease in the US by sex and age.FUNDING Autoimmune Registry Inc., the National Heart Lung and Blood Institute, the National Center for Advancing Translational Sciences, the Intramural Research Program of the National Institute of Environmental Health Sciences.
Authors
Aaron H. Abend, Ingrid He, Neil Bahroos, Stratos Christianakis, Ashley B. Crew, Leanna M. Wise, Gloria P. Lipori, Xing He, Shawn N. Murphy, Christopher D. Herrick, Jagannadha Avasarala, Mark G. Weiner, Jacob S. Zelko, Erica Matute-Arcos, Mark Abajian, Philip R.O. Payne, Albert M. Lai, Heath A. Davis, Asher A. Hoberg, Chris E. Ortman, Amit D. Gode, Bradley W. Taylor, Kristen I. Osinski, Damian N. Di Florio, Noel R. Rose, Frederick W. Miller, George C. Tsokos, DeLisa Fairweather
Total views: 1849
Abstract
Neuromyelitis optica (NMO) is an autoimmune disorder characterized by autoantibodies against the astrocyte water channel aquaporin-4 (AQP4) that cause demyelination in the optic nerves and spinal cord. How astrocytopathy leads to myelination deficits remains unclear. Chitinase-3–like protein 1 (CHI3L1, also known as YKL-40) is predominantly secreted by activated astrocytes, serves as a robust NMO biomarker, and plays a role in immune responses, but how it is induced and shapes astrocyte activation in NMO is not well defined. Using ex vivo and in vivo NMO mouse models together with mice with astrocyte-specific CHI3L1 knockout, we demonstrated that CHI3L1 directly contributed to demyelinating lesions elicited by AQP4 autoantibody–activated astrocytes. With complementary in vitro assays and inducible transgenic lines, we uncovered an astrocyte-intrinsic cascade in which AQP4 autoantibody exposure activated STAT3, which in turn drove CHI3L1 expression and secretion. Secreted CHI3L1 then engaged the astrocytic receptor RAGE in an autocrine manner, activating downstream NF-κB signaling that drove proinflammatory gliosis and damaged myelination. Pharmacological blockade of this pathway in NMO models rescued demyelinating pathology and improved motor function. These findings reveal an astrocyte-intrinsic CHI3L1 pathway that contributed to demyelination in NMO and identify actionable therapeutic targets.
Authors
Huiming Xu, Wei Jiang, Li Xu, Haoyang Li, Xin Yang, Fan Zhu, Pengyan He, Yanna Song, Yuhan Li, Yu-Wen Alvin Huang, Wei Qiu, Changyong Tang
Total views: 1794
Abstract
Clonal hematopoiesis (CH) due to Tet methylcytosine dioxygenase 2 (TET2) driver mutations is associated with coronary heart disease and a worse prognosis for patients with aortic valve stenosis (AVS). However, it is unknown what role CH plays in the pathogenesis of AVS. In a meta-analysis of All of Us, BioVU, and the UK Biobank, patients with clonal hematopoiesis of indeterminate potential (CHIP) had an increased risk of AVS, with a higher risk among patients with TET2 or ASXL1 mutations. Single-cell RNA-Seq of immune cells from patients with AVS harboring TET2 CH driver mutations revealed monocytes with heightened proinflammatory signatures and increased expression of procalcific paracrine signaling factors, most notably oncostatin M (OSM). Secreted factors from TET2-silenced macrophages increased in vitro calcium deposition by mesenchymal cells, which was ablated by OSM silencing. Atherosclerosis-prone low-density lipoprotein receptor–deficient (Ldlr–/–) mice receiving CH-mimicking Tet2−/− bone marrow transplants displayed greater calcium deposition in aortic valves. Together, these results demonstrate that monocytes with CH promote aortic valve calcification and that patients with CH are at increased risk of AVS.
Authors
Wesley T. Abplanalp, Michael A. Raddatz, Bianca Schuhmacher, Silvia Mas-Peiro, María A. Zuriaga, Nuria Matesanz, José J. Fuster, Yash Pershad, Caitlyn Vlasschaert, Alexander J. Silver, Eric Farber-Eger, Yaomin Xu, Quinn S. Wells, Delara Shahidi, Sameen Fatima, Xiao Yang, Adwitiya A.P. Boruah, Akshay Ware, Maximilian Merten, Moritz von Scheidt, David John, Mariana Shumliakivska, Marion Muhly-Reinholz, Mariuca Vasa-Nicotera, Stefan Guenter, Michael R. Savona, Brian R. Lindman, Stefanie Dimmeler, Alexander G. Bick, Andreas M. Zeiher
Total views: 1731
Abstract
Chimeric antigen receptor T cell (CAR-T) therapy has led to significant improvements in patient survival. However, a subset of patients experience high-grade toxicities, including cytokine release syndrome (CRS) and immune cell–associated hematological toxicity (ICAHT). We utilized IL-2Ra knockout mice to model toxicities with elevated levels of IL-6, IFN-γ, and TNF-α and increased M1-like macrophages. Onset of CRS was accompanied by a reduction in peripheral blood neutrophils due to disruption of bone marrow neutrophil homeostasis characterized by an increase in apoptotic neutrophils and a decrease in proliferative and mature neutrophils. Both nontumor-bearing and Em-ALL tumor-bearing mice recapitulated the cooccurrence of CRS and neutropenia. IFN-γ–blockade alleviated CRS and neutropenia without affecting CAR-T efficacy. Mechanistically, a Th1-Th17 imbalance was observed to drive cooccurrence of CRS and neutropenia in an IFN-γ–dependent manner leading to decreased IL-17A and G-CSF, neutrophil production, and neutrophil survival. In patients, we observed an increase in the IFN-γ–to–IL-17A ratio in the peripheral blood during high-grade CRS and neutropenia. We have uncovered a biological basis for ICAHT and provide support for the use of IFN-γ blockade to reduce both CRS and neutropenia.
Authors
Payal Goala, Yongliang Zhang, Nolan Beatty, Allan Pavy, Shannon McSain, Cooper Sailer, Muhammad Junaid Tariq, Showkat Hamid, Eduardo Cortes Gomez, Jianmin Wang, Duna Massillon, Maxwell Ilecki, Justin C. Boucher, Constanza Savid-Frontera, Sae Bom Lee, Hiroshi Kotani, Meredith L. Stone, Michael D. Jain, Marco L. Davila
Total views: 1706
Abstract
Connections between the digestive system and the brain have been postulated for over 2000 years. Despite this, only recently have specific mechanisms of gut-brain interaction been identified. Due in large part to increased interest in the microbiome, the wide use of incretin-based therapies (i.e., glucagon-like peptide 1 [GLP-1] receptor agonists), technological advancements, increased understanding of neuroimmunology, and the identification of a direct enteroendocrine cell–neural circuit, research in the past 10 years has made it abundantly clear that the gut-brain connection plays a role both in clinical disease as well as the actions of therapeutics. In this Review, we describe mechanisms by which the gut and brain communicate and highlight human and animal studies that implicate changes in gut-brain communication in disease states in gastroenterology, neurology, psychiatry, and endocrinology. Furthermore, we define how GLP-1 receptor agonists for obesity and guanylyl cyclase C agonists for irritable bowel syndrome leverage gut-brain mechanisms to improve patient outcomes. This Review illustrates the critical nature of gut-brain communication in human disease and the potential to target gut-brain pathways for therapeutic benefit.
Authors
Zachary S. Lorsch, Rodger A. Liddle
Total views: 11505
Abstract
Half of adults in the United States have hypertension as defined by clinical practice guidelines. Interestingly, women are generally more likely to be aware of their hypertension and have their blood pressure controlled with treatment compared with men, yet hypertension-related mortality is greater in women. This may reflect the fact that the female sex remains underrepresented in clinical and basic science studies investigating the effectiveness of therapies and the mechanisms controlling blood pressure. This Review provides an overview of the impact of the way hypertension research has explored sex as a biological variable (SABV). Emphasis is placed on epidemiological studies, hypertension clinical trials, the genetics of hypertension, sex differences in immunology and gut microbiota in hypertension, and the effect of sex on the central control of blood pressure. The goal is to offer historical perspective on SABV in hypertension, highlight recent studies that include SABV, and identify key gaps in SABV inclusion and questions that remain in the field. Through continued awareness campaigns and engagement/education at the level of funding agencies, individual investigators, and in the editorial peer review system, investigation of SABV in the field of hypertension research will ultimately lead to improved clinical outcomes.
Authors
Michael J. Ryan, John S. Clemmer, Roy O. Mathew, Jessica L. Faulkner, Erin B. Taylor, Justine M. Abais-Battad, Fiona Hollis, Jennifer C. Sullivan
Total views: 10786
Abstract
Therapies based on glucagon-like peptide-1 (GLP-1) reduce rates of cardiovascular and chronic kidney disease in people with type 2 diabetes and/or obesity, with ongoing clinical trials investigating their effects in people with metabolic liver disease, arthritis, and both substance use and neurodegenerative disorders. Acute and chronic activation of GLP-1 receptor signaling also reduces systemic and tissue inflammation in mice and humans, through weight loss–dependent and –independent mechanisms, actions that may contribute to the expanding spectrum of clinical benefits ascribed to GLP-1 medicines. In this Review, we highlight current understanding of the direct and indirect antiinflammatory effects and mechanisms of GLP-1 medicines in both preclinical and clinical studies, covering emerging concepts, clinical relevance, and areas of uncertainty that require further investigation.
Authors
Chi Kin Wong, Daniel J. Drucker
Total views: 3589
Abstract
Historically, antiobesity medications have been modestly effective at best, with side-effect profiles that limit compliance and often preclude the long-term therapy required to maintain weight loss. Recently developed therapies based on analogs of the gut hormone glucagon-like peptide-1 (GLP-1) have transformed the medical management of obesity, leading both to a degree of weight loss that rivals bariatric surgery and a reduction in morbidity and mortality associated with obesity-related complications. GLP-1 receptor agonist (GLP-1RA) therapies were developed to mimic the peripheral effects of GLP-1, but it is now well established that their efficacy in the treatment of obesity depends on reducing energy intake through their action in the central nervous system (CNS). Recent data indicate that the aversive gastrointestinal side effects of GLP-1RAs are also CNS mediated. Although a complete understanding of the neural circuits underlying GLP-1RA–induced weight loss remains elusive, a great deal has been learned in recent years. This Review summarizes proposed gut-brain and central mechanisms through which GLP-1 and its synthetic analogs regulate food intake and bodyweight.
Authors
Lisa R. Beutler
Total views: 2541
Abstract
The urokinase plasminogen activator receptor (uPAR) is a membrane-bound protein found on the surface of immune cells. Through the action of proteases, uPAR is cleaved to produce several circulating proteins in the bloodstream, including the soluble form suPAR and the fragments D1 and D2D3. Initially studied in the context of infectious diseases and cancer, recent research has revealed roles for suPAR and its related proteins as mediators linking innate immunity to the pathogenesis of kidney and cardiovascular diseases, as well as insulin-dependent diabetes. While these proteins have long been recognized as prognostic biomarkers, growing clinical, experimental, and genetic evidence highlights their active involvement in the onset and progression of these diverse conditions. This Review examines suPAR’s evolution from its discovery as a modulator of innate immunity to its current status as a key driver in chronic kidney and cardiovascular diseases. Furthermore, we explore the molecular mechanisms through which suPAR and D2D3 contribute to multiorgan damage, emphasizing emerging opportunities for therapeutic interventions across interconnected organ systems.
Authors
Jochen Reiser, Salim S. Hayek, Sanja Sever
Total views: 2396
Abstract
Cancer diagnoses are prevalent in people with obesity and type 2 diabetes, and abundant clinical evidence supports the protective effects of weight loss for cancer prevention. Glucagon-like peptide-1 (GLP-1) receptor agonists have revolutionized obesity and type 2 diabetes medicine and alleviate many comorbidities of these metabolic diseases. In this Review, we summarize the current clinical evidence for GLP-1 receptor agonists and cancer risk, including thyroid, pancreatic, gastrointestinal, and hormone-dependent malignancies. With few exceptions, recent meta-analyses report that GLP-1 receptor therapies do not increase cancer incidence and may lower risk in some cases. Preclinical studies reinforce the anticancer effects of GLP-1 receptor therapies, even in non-obese models. However, there are still many opportunities for translational insight as the field grows. Immune-modulating effects of GLP-1 receptor agonists are reported in several preclinical cancer studies, which may reflect direct action on immune cells or result from improved metabolic function. We highlight ongoing clinical trials for GLP-1 receptor therapies in cancer patients, and offer considerations for preclinical studies, including perspectives on the timing and duration of GLP-1 receptor agonist treatment, concurrent use of standard anticancer therapies, and interpretation of models of cancer risk versus progression.
Authors
Estefania Valencia-Rincón, Rajani Rai, Vishal Chandra, Elizabeth A. Wellberg
Total views: 2028
Abstract
Stress has long been associated with substance misuse and substance use disorders (SUDs). The past two decades have seen a surge in research aimed at understanding the underlying mechanisms driving this association. This Review introduces a multilevel “adaptive stress response” framework, encompassing a stress baseline, acute reaction, and recovery with return-to-homeostasis phase that occurs at varying response times and across domains of analysis. It also discusses evidence showing the disruption of this adaptive stress response in the context of chronic and repeated stressors, trauma, adverse social and drug-related environments, as well as with acute and chronic drug misuse and with drug withdrawal and abstinence sequelae. Subjective, cognitive, peripheral, and neurobiological disruptions in the adaptive stress response phases and their link to inflexible, maladaptive coping; increased craving; relapse risk; and maintenance of drug intake are also presented. Finally, the prevention and treatment implications of targeting this “stress pathophysiology of addiction” are discussed, along with specific aspects that may be targeted in intervention development to rescue stress-related alterations in drug motivation and to improve SUD treatment outcomes.
Authors
Rajita Sinha
Total views: 1751
Abstract
Cannabis has been legalized for medical and recreational purposes in multiple countries. A large number of people are using cannabis and some will develop cannabis use disorder (CUD). There is a growing recognition that CUD requires specific interventions. This Review will cover this topic from a variety of perspectives, with a particular emphasis on neurobiological findings and innovative treatment approaches that are being pursued. We will first describe the epidemiology and burden of disease of CUD, including risk factors associated with CUD (both in terms of general risk and genetic risk variants). Neurobiological alterations identified in brain imaging studies will be presented. Several psychosocial interventions that are useful for the management of CUD, including motivational enhancement therapy, behavioral and cognitive therapy, and contingency management, will be covered. Although no pharmacological interventions are yet approved for CUD, we present the most promising pharmacological interventions being tested.
Authors
Bernard Le Foll, Victor M. Tang, Sergio Rueda, Leanne V. Trick, Isabelle Boileau
Total views: 1673
Abstract
Vitiligo is an autoimmune disease that has been recognized, stigmatized, and treated for millennia. Recent translational research has revealed key mechanisms of disease, including cellular stress, innate immune activation, T cell–mediated elimination of melanocytes from the skin resulting in clinically apparent white spots, as well as stem cell regeneration that reverses established lesions. Many of these pathways have been targeted therapeutically, leading to the first FDA-approved medication to reverse the disease, with many more in clinical trials. Despite these impressive advances, many questions remain, which will be answered through integration of additional basic, translational, and clinical research studies. This vitiligo revolution has led to great excitement for individuals with vitiligo, those who know them, and the dermatologists who care for their patients. But just as importantly, these advances have great potential to shed light on autoimmune diseases that are more difficult to study, possibly leading to treatment advances that could not be achieved otherwise.
Authors
Khaled Ezzedine, Rim Tannous, Todd F. Pearson, John E. Harris
Total views: 1667
Abstract
Glucagon-like peptide-1 receptor agonists (GLP-1RAs) have become an essential drug class for treating type 2 diabetes, offering proven benefits in glycemic control, weight reduction, and cardiovascular and renal protection. However, growing evidence of heterogeneity in GLP-1RA treatment effects highlights the potential for developing precision medicine approaches to more accurately allocate GLP-1RAs to maximize patient benefit. In this Review, we explore the evidence for treatment effect heterogeneity with GLP-1RAs, focusing on clinical and genetic factors that robustly influence established therapeutic outcomes. We also highlight the potential of recent predictive models that integrate routine clinical data with personalize treatment decisions, comparing GLP-1RA to other major type 2 diabetes drug classes. While such models have shown considerable promise in identifying optimal type 2 diabetes treatment based on glycemic response, their utility for informing treatment choice for other clinical outcomes remains largely unexplored.
Authors
Pedro Cardoso, John M. Dennis, Ewan R. Pearson
Total views: 1627
Copyright © 2026 American Society for Clinical Investigation
ISSN: 0021-9738 (print), 1558-8238 (online)