Pathogenesis
Articles tagged with Pathogenesis
Changing the long search for rare disease diagnoses with new AI breakthrough
A newly developed AI tool called EvORanker analyzes genetic patterns across over 1,000 species to identify the cause of rare diseases. In clinical testing, it successfully identified the disease-causing gene in nearly 70% of cases, offering new hope for treatment and closure.
Protective role of PCED1B-expressing naive CD4+ T cells in sepsis
Researchers identified PCED1B as a key protective factor in sepsis, modulating metabolic pathways and influencing immune homeostasis. Elevated PCED1B expression reduced sepsis-related mortality risk by 36%.
University of Minnesota scientists reveal how deadly Marburg virus enters human cells, identify therapeutic vulnerability
Researchers discovered Marburg virus enters human cells up to 300 times more efficiently than Ebola, thanks to its unique entry protein. A nanobody has been identified to block its attachment to the receptor, providing a potential therapeutic strategy.
Researchers highlight role of alternative RNA splicing in schizophrenia
Researchers discovered a crucial role of alternative RNA splicing in schizophrenia by identifying genetic variants affecting splicing and protein isoforms. The study highlights the significance of unannotated isoforms in disease pathogenesis and suggests potential avenues for targeted therapeutic strategies.
New details on role of fat transport molecules in Alzheimer’s onset
A new study found that lysophosphatidylcholines (LPCs) promote or protect against Alzheimer's disease depending on a person's genetics. LPCs transport healthy fatty acids to the brain, and their impact is critical in early detection and personalized treatments for those carrying the APOE ε4 gene.
Updates in chronic subdural hematoma: from epidemiology, pathogenesis, and diagnosis to treatment
Chronic subdural hematoma (CSDH) is projected to rise significantly due to aging population and increased anticoagulant use, with surgical interventions including twist-drill craniostomy, burr-hole craniostomy, and middle meningeal artery embolization. Emerging strategies like MMAE aim to reduce recurrence rates.
Immune cell phenotypes, inflammatory proteins and epilepsy
This study found 32 immune cell phenotypes associated with epilepsy risk, including B cells and regulatory T cells. Inflammatory proteins also played a role, with some increasing and others decreasing the risk of epilepsy.
The diagnosis and evolving treatment landscape of systemic light chain amyloidosis
Recent advances in systemic light chain (AL) amyloidosis diagnosis and treatment highlight the integration of novel biomarkers, imaging modalities, and targeted therapies. Key findings include improved hematologic and organ responses with daratumumab-based regimens and emerging therapies like BCMA-targeting bispecific antibodies.
Yale researchers develop novel test for leptospirosis
Yale researchers have developed a novel diagnostic method for detecting leptospiral virulence-modifying proteins in blood and urine, which could lead to early diagnosis and improved treatment options. The test has the potential to transform leptospirosis management globally by enabling timely treatments and mitigating disease severity.
Oral bacteria linked to Parkinson’s via the gut-brain axis
Research links oral bacteria to Parkinson's disease via the gut-brain axis, finding Streptococcus mutans produces metabolite imidazole propionate that contributes to disease progression. Targeting the oral-gut microbiome may offer a new therapeutic approach for Parkinson's treatment.
Mechanisms underlying the impact of interleukin family on acute kidney injury: Pathogenesis, progression, and therapy
The interleukin family is involved in the development of acute kidney injury through inflammatory and fibrotic mechanisms. Protective ILs like IL-2, IL-10, and IL-37 mitigate injury, while pro-inflammatory ILs such as IL-1α and IL-18 exacerbate damage.
Catalytic mechanism of cPGA hydrolysis by Parkinson’s disease-linked DJ-1
Researchers from Japan studied DJ-1's catalytic mechanism, revealing key amino acids involved in cPGA hydrolysis. Mutations in these residues revoked cPGA hydrolase activity, confirming the pathophysiological implications of DJ-1.
Candida’s hidden toolbox: Scientists discover a previously unknown infection strategy
Researchers find that albumin triggers a shift in fungal behavior, causing previously non-harmful Candida strains to grow strongly and release toxic compounds.
Breakthrough in bidirectional skin-organ crosstalk unveils novel therapeutic avenues for systemic diseases — international team identifies skin as a central hub for systemic inflammation regulation
A groundbreaking review identifies the skin as a central hub for systemic inflammation regulation, linking it to multiple organs through bidirectional crosstalk. The study reveals IL-17A as a master regulator of multi-organ crosstalk, driving various diseases simultaneously.
Transatlantic collaboration to develop therapeutic for Crimean-Congo Hemorrhagic Fever
A new collaboration aims to develop an affordable and accessible monoclonal antibody therapeutic for CCHFV, treating thousands globally. USAMRIID discovered the antibody in mice, and LifeArc is supporting development of a fully humanized antibody.
Nwd1 gene deletion triggers MASH-like pathology in mice: a new scientific breakthrough
The study highlights the role of the Nwd1 gene in liver disease and its potential as a therapeutic target. Mice with Nwd1 gene deletion exhibited liver pathologies mirroring MASH, including excessive lipid accumulation and increased ER stress.
Molecular, socioeconomic, and clinical factors affecting racial and ethnic disparities in colorectal cancer survival
A single-center cohort study identified substantial overall survival disparity among racial and ethnic groups, with socioeconomic status contributing less than a third of the disparity. Tumor molecular features also played a significant role in the disparities found in colorectal cancer survival.
Unveiling the molecular mechanisms linking aging with neurodegenerative diseases
A study published in The EMBO Journal reveals that PQBP3 plays a crucial role in stabilizing the nuclear membrane, which is destabilized in senescent cells and contributes to neurodegenerative disorders. PQBP3's dysfunction may lead to the degradation of Lamin B1, a protein essential for maintaining the nuclear membrane.
DDX41 and its unique contribution to myeloid leukemogenesis
Researchers highlight DDX41's distinct contribution to myeloid neoplasms with germline predisposition. The discovery sheds light on unique pathogenesis and disease phenotype associated with DDX41 variants.
Advancement in modulation of brain extracellular space and unlocking its potential for intervention of neurological diseases
Researchers have recognized the dynamic and active role of brain extracellular space (ECS) in regulating neural activity. Dysregulation of ECS contributes to neurological disorders, suggesting therapeutic modulation as a novel treatment pathway.
Imaging fibrous structure abnormalities of the white of the eye in myopathic patients
A team of researchers from Tokyo Medical and Dental University developed a novel kind of optical coherence tomography (OCT) to investigate the detailed structure of the sclera in living patients. They found that the sclera is divided into inner and outer layers with different structural arrangements, which can provide important insight...
Chinese Medical Journal Review highlights novel pathogenic mechanisms and therapeutic potentials in cancer treatment targeting internal N6-methyladenosine and N7-methylguanine
Researchers highlight the role of post-transcriptional RNA modifications in AML pathogenesis, identifying m6A and m7G regulators as potential therapeutic targets. Targeted therapies, including selective inhibitors and Traditional Chinese Medicine compounds, show promise in promoting cell differentiation and reversing AML phenotypes.
Chinese Medical Journal review identifies disrupted mitochondrial metabolism as a trigger for diabetic cardiomyopathy
A review of mitochondrial energy metabolism in diabetic cardiomyopathy reveals disrupted dynamics and oxidative stress as key triggers. Targeted therapies, such as antioxidants and ketogenic diets, show promise in combating this debilitating condition.
New study: Defining the progeria phenome
Researchers have defined what a premature aging disease is and developed tools to diagnose progeria patients, allowing them to identify new syndromes. The study also identified correlations between progeroid syndromes and other conditions, providing a significant step forward in understanding premature aging.
IL-17 promotes IL-18 production in osteoarthritis synovial fibroblasts via…
Researchers found significantly higher levels of IL-18 expression in osteoarthritis patients and cells compared to healthy controls. IL-17 promoted IL-18 production through the MEK/ERK/miR-4492 axis, indicating potential therapeutic targets for OA treatment.
Mount Sinai researchers identify diverse neuron types associated with vulnerability to Parkinson's disease
Researchers discovered a previously unreported neuron type with vulnerability in Parkinson's disease, shedding light on the complexity of the disease and potential therapeutic targets. The study identified distinct transcriptomic signatures of this neuron type and found reduced RIT2 expression in Parkinson's disease patients.
Review in Chinese Medical Journal highlights the challenges and recent advances in targeted therapies for lupus nephritis
A comprehensive review of targeted therapies for lupus nephritis discusses the challenges of current treatments and proposes strategies to overcome obstacles. Recent advancements in B-cell targeting and alternative approaches such as CAR-T cells are highlighted.
Researchers find promising candidate to treat irreversible lung and eye diseases in extremely premature infants
A novel study has implicated granulocyte colony-stimulating factor (G-CSF) in both bronchopulmonary dysplasia and retinopathy of prematurity, making it a promising therapeutic candidate. G-CSF deficiency was shown to protect against these diseases, suggesting wide-ranging protection.
Global obesity battle stymied: Deeper understanding is needed
Despite recent advances in obesity research, governments struggle to curb rising rates, with experts identifying key unanswered questions about the causes of obesity. The intricacies of body weight regulation, energy demand sensing, and environmental factors are still unclear, highlighting the need for continued research.
Researchers show how repeated traumatic brain injury contributes to Alzheimer's disease
Repeated traumatic brain injury contributes to Alzheimer's disease by promoting de novo tau pathogenesis and facilitating pathological tau transmission in mouse models. Axonal microtubule disruption is a key molecular mechanism underlying rTBI-induced protein pathogenesis.
Stress granules control Alzheimer's gene transcripts and neuronal proteostasis
Researchers identified mRNAs and long non-coding RNAs targeted by stress granule proteins, which accumulate AD-associated gene transcripts in these structures. SGs may play a key role in regulating AD development through the impairment of protein neurohomeostasis.
External factors shape genetic predisposition to lipids, Alzheimer’s and heart disease in MLXIPL gene
Researchers found that genetic predisposition to lipids, Alzheimer's, and heart disease in the MLXIPL gene locus is shaped by exogenous exposures. Minor alleles of certain variants associated with high triglyceride levels and lower HDL-C levels, which may provide protective effects against Alzheimer's risk.
Protein that drives the development of alcohol-associated liver disease identified by IU researchers
A team of researchers from Indiana University School of Medicine has identified Pyruvate dehydrogenase kinase 4 (PDK4) as a crucial mediator of alcohol-induced liver injury. PDK4 plays a key role in the formation of calcium channels at the ER-mitochondria interface, leading to mitochondrial dysfunction and accumulation of calcium ions.
Researchers identify 12 cell types associated with the pathogenesis of coronary artery disease
A new study from the University of Eastern Finland identified 12 cell types involved in CAD pathogenesis. The genetic risk factors for CAD take effect via smooth vascular muscle cells, which change their phenotype as the disease progresses.
Riluzole and Sorafenib in patients with advanced solid tumors: a Phase I trial
Researchers found a partial response in a patient with pancreatic acinar cell carcinoma, as well as stable disease in 11 patients, when combining riluzole with sorafenib in a phase I trial. The combination was safe and tolerable, and further exploration of its potential is warranted.
Discovery of anti-mesangial autoantibodies redefines the pathogenesis of IgA nephropathy
Scientists have found that antibodies targeting βII-spectrin on mesangial cells are the trigger for IgA nephropathy. This discovery enables blood-based diagnosis and may lead to improved treatments.
Oncotarget | MTAP loss in metastatic breast cancer patients: Genomic landscape
A recent study analyzed 7,301 metastatic breast cancer patients with MTAP loss, revealing younger age, higher TNBC cases, and BRCA1 mutations. The findings also suggest potential therapeutic agents targeting PRMT5 and MTA2 in MTAP-deficient cancers.
Two previously unknown bacterial species identified from patients with inflammatory bowel disease
Researchers have isolated two new bacterial species from patients with inflammatory bowel disease (IBD), which break down the protective mucus layer of the gut. The bacteria, Allobaculum mucilyticum and Allobaculum fili, are highly efficient at degrading intestinal mucus, leading to potent immune responses.
Genes & Cancer | Pathogenesis to management of hepatocellular carcinoma
Researchers from prominent institutions discuss hepatocellular carcinoma's pathogenesis, genomic heterogeneity, and targeted therapy options. The review aims to characterize HCC's complexities and develop clinically relevant biomarkers for better management.
Researchers Identify blood panel to predict placenta accreta
Researchers developed a blood test using circulating microparticle proteins to predict placenta accreta spectrum (PAS) cases as early as the second trimester. The study found five unique proteins that can distinguish PAS patients from control patients, enabling safe predication before delivery.
Scientists uncover new genes linked to multiple sclerosis
Researchers have identified three new genes, SHMT1, FAM120B, and ICA1L, and their expressed proteins that may be involved in the development of multiple sclerosis. The study provides new insights into the mechanisms underlying the disease and prioritizes promising targets for future therapy research.
Investigating the plasma to predict COVID-19 progression
A study published in Journal of Clinical Immunology found that four proteins - WFDC2, GDF15, CHI3L1, and KRT19 - are associated with severe COVID-19 progression. These proteins may serve as biomarkers to predict prognosis in patients with critical COVID-19.
CHOP-led study shows that antibiotic-resistant microbes in the gut make C. difficile more infectious
A new study by CHOP researchers found that antibiotic-resistant Enterococcus enhances C. difficile virulence by modulating the gut environment, increasing toxin production and nutrient supply. This interaction supports increased colonization and persistence of C. difficile in the gut.
KAIST research team proves how a neurotransmitter may be the key in controlling Alzheimer’s toxicity
A KAIST research team has discovered a new role for somatostatin, a protein-based neurotransmitter, in reducing the toxicity caused by Alzheimers disease. When somatostatin is met with copper and Aβ proteins, it attenuates the toxicity and agglomeration of metal-Aβ complexes.
Chinese Medical Journal review highlights advances in the treatment of metabolic dysfunction-associated fatty liver disease
Individualized, comprehensive treatment approaches and risk stratification of patients are crucial for effective treatment of MAFLD. Lifestyle modifications and pharmaceutical therapeutics combining to treat the condition.
“Unlocking” sarcopenic obesity: A review in portal hypertension & cirrhosis provides clarity on key aspects of disease impact and treatment
Researchers from Tianjin Medical University General Hospital review sarcopenic obesity's impact on liver disease, including nonalcoholic fatty liver disease and cirrhosis. The study aims to clarify the pathogenesis of sarcopenic obesity and identify potential therapeutic avenues.
A gene in tuberculosis bacteria is found essential for siderophore secretion and virulence
Researchers at the University of Alabama at Birmingham have discovered a gene essential for siderophore secretion in Mycobacterium tuberculosis, a key process for acquiring iron. The discovery validates siderophore secretion as a drug target for tuberculosis treatment and reveals a new mechanism for putative drugs.
Microbiota medicine: towards clinical revolution
A recent report by the International Society of Microbiota confirms a bidirectional interplay between gut microbiota and various organs, highlighting the crucial role of microbiota in disease pathogenesis. The report also explores therapeutic strategies for manipulating gut microbiota to prevent and treat disorders.
‘Switching off’ specific brain cells protects against stress
Researchers from Osaka University discovered a group of brain cells in the claustrum that control stress-induced anxiety behaviors. Activating these cells led to anxious behavior, while deactivating them increased resilience against chronic stress.
Penn study uncovers how pancreatic cells reprogram themselves to limit the immune response in patients at risk for type 1 diabetes
Researchers have revealed that during Type 1 Diabetes development, pancreatic duct cells reprogram to suppress autoimmune T cell responses. This discovery advances understanding of the disease by creating a map of pancreatic islet cells over time.
Immune cell receptor and ligand regulation: A therapeutic avenue for inflammatory diseases
A study by Tokyo University of Science researchers identifies a novel regulatory axis targeting dendritic cell activity, suppressing autoimmune disease symptoms and bone loss. They discovered DCIR binds to glycoproteins on macrophages and osteoclasts, reducing inflammation and immune responses.
Probing the dysregulation of ubiquitin-specific protease 8 activity in Cushing’s disease
USP8 activity regulation has been decoded, revealing an autoinhibitory region that interacts with its catalytic region and enhances deubiquitinating activity in Cushing's disease. This discovery could lead to targeted therapy for the condition.
Parkinson's disease: How lysosomes become a hub for the propagation of the pathology
Researchers found that α-syn fibrils spread through lysosomes, impairing their function and allowing the seeding of soluble α-syn. This process creates a hub for the propagation of disease pathology, shedding light on a crucial mechanism in Parkinson's disease.
Dr. Anthony Shum receives ATS Research Program/chILD Foundation Partner grant
Dr. Anthony Shum, MD, receives $80,000 from the ATS Research Program and chILD Foundation for his project on defining childhood ILD in COPA syndrome. The study aims to link the innate immune adapter molecule STING to disease.
Victoria Blaho receives prestigious Lina M. Obeid Award
Victoria Blaho, Ph.D., assistant professor at Sanford Burnham Prebys, received the first-ever Lina M. Obeid Award for her work on sphingolipids and their role in immune function, cancer, neurodegeneration, metabolic disorders, and cardiovascular disease.
Innovative machine-learning approach for future diagnostic advances in Parkinson's disease
Researchers used machine learning to analyze mitochondrial interaction networks and identified specific patterns associated with Parkinson's disease. These patterns were correlated with clinical scores and allowed for accurate diagnosis of PD patients.
Chinese researchers uncover link between phase separation and human developmental disorders
Chinese researchers discovered a link between liquid-liquid phase separation and human developmental disorders like Noonan syndrome. Gain-of-function mutations in the SHP2 protein lead to hyperactivation of downstream signaling pathways, providing a therapeutic strategy for targeting SHP2-associated disorders.
Circulating molecules in blood may be stepping stone for type 1 diabetes early prediction
A study published by researchers from the Turku Bioscience Centre found changes in circulating molecules in the blood that may be new markers of type 1 diabetes. This discovery could provide an early window for intervention and prevention of the disease.
Two blood-clotting disorders with different causes interact synergistically
Studies in mouse models reveal that deficiencies in ADAMTS13 and complement activation contribute to thrombotic microangiopathy, a potentially deadly condition. The findings may lead to the development of novel treatment strategies for patients with refractory thrombotic microangiopathy.