Antiphospholipid Antibodies as Key Players in Systemic Lupus Erythematosus: The Relationship with Cytokines and Immune Dysregulation DOI Open Access
Patricia Richter, Minerva Codruța Bădescu, Ciprian Rezuș

et al.

International Journal of Molecular Sciences, Journal Year: 2024, Volume and Issue: 25(20), P. 11281 - 11281

Published: Oct. 20, 2024

Systemic lupus erythematosus (SLE) is a chronic autoimmune disease characterized by an overproduction of cytokines, such as interleukins and interferons, contributing to systemic inflammation tissue damage. Antiphospholipid syndrome thrombo-inflammatory affecting third SLE patients. We performed in-depth analysis the available literature, we highlighted complex interplay between immunity, inflammation, thrombosis, three major pathogenic pathways that are trapped in mutually reinforcing destructive loop.

Language: Английский

Targeting cryptic allosteric sites of G protein-coupled receptors as a novel strategy for biased drug discovery DOI Creative Commons

Xin Qiao,

Xiaolong Li, Mingyang Zhang

et al.

Pharmacological Research, Journal Year: 2025, Volume and Issue: 212, P. 107574 - 107574

Published: Jan. 2, 2025

G protein-coupled receptors (GPCRs) represent the largest family of membrane and are highly effective targets for therapeutic drugs. GPCRs couple different downstream effectors, including proteins (such as Gi/o, Gs, G12, Gq) β-arrestins β-arrestin 1 2) to mediate diverse cellular physiological responses. Biased signaling allows specific activation certain pathways from full range receptors' capabilities. Targeting more variable allosteric sites, which spatially conserved orthosteric represents a novel approach in biased GPCR drug discovery, leading innovative strategies targeting GPCRs. Notably, emergence cryptic sites on has expanded repertoire available improved receptor subtype selectivity. Here, we conduct summary recent progress structural determination elucidate mechanisms induced by modulators. Additionally, discuss means identify design modulators based through structure-based design, is an advanced pharmacotherapeutic treating GPCR-associated diseases.

Language: Английский

Citations

2

ITGA8 Deficiency in Hepatic Stellate Cells Attenuates CCl4-Induced Liver Fibrosis via Suppression of COL11A1 DOI
Xuzhen Yan, Qi Han,

Wenyue Wu

et al.

Biochemical and Biophysical Research Communications, Journal Year: 2025, Volume and Issue: 756, P. 151522 - 151522

Published: Feb. 21, 2025

Language: Английский

Citations

0

T cells in the microenvironment of solid pediatric tumors: the case of neuroblastoma DOI Creative Commons
Enrico Maggi, Nadine Landolina, Enrico Munari

et al.

Frontiers in Immunology, Journal Year: 2025, Volume and Issue: 16

Published: Feb. 28, 2025

Neuroblastoma (NB) is an immunologically “cold” tumor with poor or no inflamed substrates as most of solid pediatric tumors (SPT). Consistent data indicate that NB microenvironment (TME) dominated by myeloid cells, little (but variable) T cell infiltration. The obstacles to lymphocyte infiltration and their anti-tumor activity are due different immune evasion strategies, including loss HLA Class I molecules, high expression checkpoint molecular ligands leading exhaustion effector (and NK) induction regulatory, stromal cells secretion immunosuppressive mediators. In odds adult tumors, displays weak immunogenicity caused intrinsic low mutational burden scant neoepitopes in the context MHC-class antigens which, turn, particularly poorly expressed on thus inducing responses. addition, generated from embryonal result transcriptional abnormalities not accumulation genetic mutations over time, further explaining immunogenicity. immunogenic molecules associated production factors which downregulate activity, limited efficacy new drugs NB, inhibitors. This review focused examining role regulatory infiltrating TME taking into account repertoire, phenotype, function, plasticity and, importantly, predictive value for defining novel targets therapy.

Language: Английский

Citations

0

Multilayered neuroprotection by cannabinoids in neurodegenerative diseases DOI Creative Commons
Ahmed Hasbi,

Susan R. George

Exploration of Neuroprotective Therapy, Journal Year: 2025, Volume and Issue: 5

Published: March 9, 2025

Neurodegenerative diseases are a complex ensemble of ailments characterized by progressive neuronal deterioration and ultimate loss, resulting in drastic impairments memory, cognition other brain functions. These incapacitating conditions challenging for the public health system worldwide, with unfortunately no real cure lack efficient drugs capable delaying or reversing these diseases. In this context, endocannabinoid exogenous cannabinoids represent an interesting field research due to numerous studies highlighting neuroprotective effect from different sources, i.e., endogenous, phytocannabinoids, synthetic cannabinoids. This review highlights multilayered effects block progression neurodegeneration minimize deleterious insults that affect brain. We illustrate examples showing main modulate components response at level three major mechanisms involved neurodegeneration: neuroinflammation, excitotoxicity, oxidative stress.

Language: Английский

Citations

0

Multilayered neuroprotection by cannabinoids in neurodegenerative diseases DOI Creative Commons
Ahmed Hasbi,

Susan R. George

Exploration of Neuroprotective Therapy, Journal Year: 2025, Volume and Issue: 5

Published: March 9, 2025

Neurodegenerative diseases are a complex ensemble of ailments characterized by progressive neuronal deterioration and ultimate loss, resulting in drastic impairments memory, cognition other brain functions. These incapacitating conditions challenging for the public health system worldwide, with unfortunately no real cure lack efficient drugs capable delaying or reversing these diseases. In this context, endocannabinoid exogenous cannabinoids represent an interesting field research due to numerous studies highlighting neuroprotective effect from different sources, i.e., endogenous, phytocannabinoids, synthetic cannabinoids. This review highlights multilayered effects block progression neurodegeneration minimize deleterious insults that affect brain. We illustrate examples showing main modulate components response at level three major mechanisms involved neurodegeneration: neuroinflammation, excitotoxicity, oxidative stress.

Language: Английский

Citations

0

Crafting the future of bone regeneration: the promise of supramolecular peptide nanofiber hydrogels DOI Creative Commons

Longbiao Wan,

Xiaoyue Yao,

Jiali Pan

et al.

Frontiers in Bioengineering and Biotechnology, Journal Year: 2025, Volume and Issue: 13

Published: March 11, 2025

Bone tissue engineering has rapidly emerged as an ideal strategy to replace autologous bone grafts, establishing a comprehensive system centered on biomaterial scaffolds, seeding cells, bioactive factors, and biophysical stimulation, thus paving the way for new horizons in surgical regeneration. However, scarcity of suitable materials poses significant challenge replicating intricate multi-layered structure natural tissue. Supramolecular peptide nanofiber hydrogels (SPNHs) have shown tremendous potential novel biomaterials due their excellent biocompatibility, biodegradability, tunable mechanical properties, multifunctionality. Various supramolecular peptides can assemble into hydrogels, while sequences factors be embedded through physical adsorption or covalent binding, endowing with diverse biochemical properties. Finally, this review explored future challenges prospects SPNHs engineering, aim providing insights further advancements field.

Language: Английский

Citations

0

Responsive Microneedles for Diagnostic and Therapeutic Applications of Ocular Diseases DOI Open Access

Baoyue Mi,

Jingqing Mu,

Xiangyu Ding

et al.

Small Methods, Journal Year: 2025, Volume and Issue: unknown

Published: March 17, 2025

Abstract Traditional ophthalmic formulations are characterized by low bioavailability, short intraocular retention time, strong irritation, and failure to achieve the expected therapeutic effect due special physiological structure of eye existence many barriers. Microneedle drug delivery is a novel transdermal modality. Responsive microneedles defined as controllably releasing payloads in response stimuli, including pH levels, temperature, enzymes, reactive oxygen species (ROS), well external stimuli such magnetic fields light. In addition inheriting advantages traditional microneedles, which include enhanced targeting permeability, non‐invasiveness, painless application, integration with stimulus‐responsive materials enables responsive personalized precision process, further increases accuracy efficiency ocular treatments, making on‐demand possible. This article systematically reviews classification, mechanisms, characteristics provides detailed introduction their diagnostic applications real‐time monitoring potential diseases, aiming offer insights for treatment diseases future.

Language: Английский

Citations

0

Ultrasound of muscles for the diagnosis of sarcopenia in patients with inflammatory bowel diseases DOI Creative Commons

Olga E. Akchurina,

D. D. MUKHAMETOVA, А. Х. Одинцова

et al.

Terapevticheskii arkhiv, Journal Year: 2025, Volume and Issue: 97(2), P. 157 - 162

Published: March 26, 2025

To assess the muscle mass of patients with inflammatory bowel disease (IBD) using ultrasound. 102 IBD hospitalized in gastroenterology department Republican Clinical Hospital (Kazan) were involved study. Among them, 49% ulcerative colitis, 51% Crohn's disease, 10 people made up control group (CG). The median age was 39.5 [28.5; 50] years, CG - 37 [26; 38] years. There 52 (51%) women and 5 (50%) group. Patients examined to body index (BMI), mid-upper arm circumference (MUAC, cm) mid-thigh (MTC, dominant side; bioimpedance analysis composition ABC-02 "MEDASS" device; ultrasound examination thickness at two points on leading side: middle shoulder (US-MUAC), thigh (US-MTC), dynamometry a wrist dynamometer, assessment nutritional status. According BMI, distributed as follows: normal 57 (55.9%) patients; deficiency 12 (11.8%); overweight 25 (24.5%); obesity 8 (7.8%). Median MUAC 28 [24.9; 31] cm, [27; 28.5] cm (p>0.05); men 29.8 32] 33 [31; 34] (p<0.05). MTC 54.25 [48.15; 58.10] 61.5 [56; 67] (p<0.05); 48 [46; 51.4] GC 54 [53; 54] US-MUAC 19.60 [18.23; 22.84] mm, 22.49 [20.41; 22.66] 26.45 [22.87; 29.24] 21.54 [21.18; 25.13] mm (p>0.05). US-MTC 31.05 [23.21; 37.11] 41.30 [35.55; 41.74] (p<0.05), 30.90 [25.64; 39.99] 40.67 [39.10; 41.84] results bioimpedansometry, skeletal (SMI) low 32% patients, 65%, above 3%. correlated (r=0.557; p<0.05), BMI (r=0.448; SMI (r=0.666; p<0.05). (r=0.505; (r=0.376; (r=0.373; In IBD, lower than CG. CG, which MTC, according measurements grip strength dynamometry.

Language: Английский

Citations

0

Rhamnosidase from Parabacteroides distasonis exhibit the catabolism of epimedin C in the human gut microbiota DOI
Jian Ding, Tengyun Gao, Songlin Liu

et al.

International Journal of Biological Macromolecules, Journal Year: 2025, Volume and Issue: unknown, P. 142481 - 142481

Published: March 1, 2025

Language: Английский

Citations

0

Deficiency of MTAP Is Frequent and Mostly Homogeneous in Pancreatic Ductal Adenocarcinomas DOI Open Access

Natalia Gorbokon,

Katharina Teljuk,

Viktor Reiswich

et al.

Cancers, Journal Year: 2025, Volume and Issue: 17(7), P. 1205 - 1205

Published: April 1, 2025

The complete loss of S-methyl-5'-thioadenosine phosphorylase (MTAP) expression, often due to homozygous 9p21 deletion, creates a druggable vulnerability in cancer cells. A total 769 primary pancreatic ductal adenocarcinomas were analyzed on tissue microarrays with MTAP immunohistochemistry (IHC) and fluorescence situ hybridization (FISH). Intratumoral heterogeneity was assessed "heterogeneity" TMA containing up nine samples from different areas 236 tumor nodal metastases, whole sections all blocks 19 cancers. expression found 181 (37.9%) 478 interpretable tumors unrelated pT, pN, grade, size. homogenous 37.6% heterogeneous 1.1% the tumors, at least three evaluable TMA. On sections, 1 showed loss. correlation between IHC FISH nearly perfect, 98.8% MTAP-deficient showing deletion. is frequent, caused by mostly homogeneous adenocarcinomas. Considering also their aggressive clinical behavior, may represent an ideal type for studying new drugs targeting cells trials.

Language: Английский

Citations

0