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Advances in delivery methods of Arthrospira platensis (spirulina) for enhanced therapeutic outcomes.

Arthrospira platensis (A. platensis) aqueous extract has massive amounts of natural products that can be used as future drugs, such as C-phycocyanin, allophycocyanin, etc. This extract was chosen because of its high adaptability, which reflects its resolute genetic composition. The proactive roles of cyanobacteria, particularly in the medical field, have been discussed in this review, including the history, previous food and drug administration (FDA) reports, health benefits and the various dose-dependent therapeutic functions that A. platensis possesses, including its role in fighting against

Understanding and predicting suicidality using a combined genomic and clinical risk assessment approach.

Worldwide, one person dies every 40 seconds by suicide, a potentially preventable tragedy. A limiting step in our ability to intervene is th … ion with an AUC of 93%, and future hospitalizations with an AUC of 70%. SLC4A4 is involved in brain extracellular space pH regulation. Brain pH has been implicated in the pathophysiology of acute panic attacks. We also describe two new clinical information apps, one for affective state (simplified affective state scale, SASS) and one for suicide risk factors (Converg …

Can the Sterilization Protocol Be Improved to Enhance the Healing of Allograft Tendons? An In Vivo Study in Rabbit Tendons.

BACKGROUND: Peracetic acid and irradiation are common sterilization methods for allograft tendons; however, under some conditions, both methods adversely affect the fiber arrangement and ultimate load of the tendon. An in vitro study showed that low-dose peracetic acid combined with irradiation may be less detrimental to allograft tendon structure and properties, possibly because the breakdown of peracetic acid can lead to an enlargement of the interstitial spaces and an increase in porosity. QUESTIONS/PURPOSES: Using a rabbit Achilles tendon model, we asked: What is the effect of peracetic a

Prophylactic non-steroidal anti-inflammatory drugs for the prevention of macular oedema after cataract surgery.

BACKGROUND: Macular oedema (MO) is the accumulation of extracellular fluid in the central retina (the macula). It may occur after cataract surgery and may give rise to poor visual outcome, with reduced visual acuity and distortion of the central vision. MO is often self-limiting with spontaneous resolution, but a small proportion of people with chronic persistent MO may be difficult to treat. Chronic oedema may lead to the formation of cystic spaces in the retina termed 'cystoid macular oedema' (CMO). Non-steroidal anti-inflammatory drugs (NSAIDs) are commonly used in cataract surgery and may

The Acidic Microenvironment: Is It a Phenotype of All Cancers? A Focus on Multiple Myeloma and Some Analogies with Diabetes Mellitus.

Multiple myeloma (MM) is a hematological malignancy with a poor prognosis while with a long and progressive outcome. To date, the therapeutic options are restricted to few drugs, including thalidomide or its derivates and autologous transplantation including stem-cell transplantation. More recently, the use of both proteasome inhibitors and monoclonal antibodies have been included in MM therapy, but the clinical results are still under evaluation. Unfortunately, death rates (within the 5-year overall survival rates) are still very high (45%), with no relevant improvement over the past 10 years

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… It consists of preferential metabolism aimed at sugar fermentation, with extracellular lactate accumulation, resulting in proton (H + ) accumulation in the extracellular spaces [ 8 ]. … The inhibition of proton pumps involves a block of H + traffic from the cytosol to both the internal vesicles and the extracellular spaces [ 10 ]. …

Targeting NETosis: nature's alarm system in cancer progression.

Neutrophils are recognized active participants in inflammatory responses and are intricately linked to cancer progression. In response to inflammatory stimuli, neutrophils become activated, releasing neutrophils extracellular traps (NETs) for the capture and eradication of pathogens, a phenomenon termed NETosis. With a deeper understanding of NETs, there is growing evidence supporting their role in cancer progression and their involvement in conferring resistance to various cancer therapies, especially concerning tumor reactions to chemotherapy, radiation therapy (RT), and immunotherapy. This

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… (I) Suicidal NETosis: Activated neutrophils undergo membrane rupture, releasing nuclear DNA and proteins into the extracellular space. … Ultimately, this process leads to cell membrane rupture, the release of NETs into the extracellular space, and the demise of the neutrophil, marking the conclusion of the entire process. …

How the mechanical microenvironment of stem cell growth affects their differentiation: a review.

Stem cell differentiation is of great interest in medical research; however, specifically and effectively regulating stem cell differentiation is still a challenge. In addition to chemical factors, physical signals are an important component of the stem cell ecotone. The mechanical microenvironment of stem cells has a huge role in stem cell differentiation. Herein, we describe the knowledge accumulated to date on the mechanical environment in which stem cells exist, which consists of various factors, including the extracellular matrix and topology, substrate stiffness, shear stress, hydrostati

Understanding Mesangial Pathobiology in AL-Amyloidosis and Monoclonal Ig Light Chain Deposition Disease.

Patients with plasma cell dyscrasias produce free abnormal monoclonal Ig light chains that circulate in the blood stream. Some of them, termed glomerulopathic light chains, interact with the mesangial cells and trigger, in a manner dependent of their structural and physicochemical properties, a sequence of pathological events that results in either light chain-derived (AL) amyloidosis (AL-Am) or light chain deposition disease (LCDD). The mesangial cells play a key role in the pathogenesis of both diseases. The interaction with the pathogenic light chain elicits specific cellular processes, whi

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… Extrusion of amyloid fibrils to the extracellular space in experimental mesangial AL-amyloidosis: transmission and scanning electron microscopy studies and correlation with renal biopsy observations. … Extrusion of amyloid fibrils to the extracellular space in experimental mesangial AL-amyloidosis: transmission and scanning electron microscopy studies and correlation with renal biopsy observations. …

Одинокий квантовый Sodium MRI на 3T для разделения сигналов Sodium и Mono и B-T2.

Из-за десятикратной разницы в концентрации натрия на мембранах, которая активно поддерживается насосом с натрием-потассием (Na+-K+), клеточный ионный баланс очень чувствительн. Разрывы в этом насосе или мембранной целостности, наблюдаемые в таких неврологических расстройствах, как эпилепсия, множественный склероз, биполярное заболевание и легкая травма головного мозга, приводят к увеличению внутриклеточного натрия. Однако это изменение клеточного уровня часто маскируется доминирующим внеклеточным сигналом натрия, что затрудняет проведение различия между популяциями натрия с моно- и биэкспонент

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… It is important to note that mono- and bi-T 2 sodium ions can be present in both intra- and extracellular spaces [ 8 - 10 ], dependent on relative correlation time with electric field gradient [ 1 , 2 ]. … To that goal, we assigned all mono-T 2 sodium to extracellular space and all bi-T 2 sodium to intracellular space, although they may co-exist in both extra- and intracellular spaces. …

Diagnosis and treatment of cardiac amyloidosis: an interdisciplinary consensus statement.

The prevalence and significance of cardiac amyloidosis have been considerably underestimated in the past; however, the number of patients diagnosed with cardiac amyloidosis has increased significantly recently due to growing awareness of the disease, improved diagnostic capabilities and demographic trends. Specific therapies that improve patient prognosis have become available for certain types of cardiac amyloidosis. Thus, the earliest possible referral of patients with suspicion of cardiac amyloidosis to an experienced center is crucial to ensure rapid diagnosis, early initiation of treatmen

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… In ATTRwt, it is not known why the normal unmutated (i.e., wild-type) protein aggregates and deposits in the extracellular spaces. An intrinsic tendency toward the formation of amyloid is likely [ 39 ]. … SEPT septal, ANT anterior, INF inferior, ANT_SEPT anterior septal, LAT lateral, POST posterior Thickening of the left ventricle (LV) wall is due to amyloid infiltration of the extracellular space of the myocardium. …

Chemotherapy-Induced Tissue Injury: An Insight into the Role of Extracellular Vesicles-Mediated Oxidative Stress Responses.

The short- and long-term side effects of chemotherapy limit the maximum therapeutic dose and impair quality of life of survivors. Injury to normal tissues, especially chemotherapy-induced cardiomyopathy, is an unintended outcome that presents devastating health impacts. Approximately half of the drugs approved by the Food and Drug Administration for cancer treatment are associated with the generation of reactive oxygen species, and Doxorubicin (Dox) is one of them. Dox undergoes redox cycling by involving its quinone structure in the production of superoxide free radicals, which are thought to

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… Extracellular Vesicles “Extracellular vesicles” is a general term that applies to membranous vesicles released from cells into the extracellular space. … The function of SOD3 in EVs is preserved as EVs containing SOD3 can reduce O 2 • − in the extracellular space [ 96 ]. Indeed, neutrophils lack SOD3 mRNA. …

Внеклеточная ДНК и Deoxiribonuc Alternation Activity как потенциальные биомаркеры воспаления в множестве склерозов.

Нейроинфламмация играет важнейшую роль в патофизиологии множественных склерозов (MS), включая сложные взаимодействия между реактивными видами кислорода (ROS), цитокинами, хемокинами и иммунными клетками. Среди них нейтрофилы способствуют устойчивому воспалению путем обезвоживания, производства ROS и высвобождения нейтрофильных внеклеточных ловушек (NETs). Внеклеточная ДНК (ecDNA), являющаяся ключевым компонентом сетей, может выступать в качестве автоантигена, стимулирующего хроническое воспаление и повреждение тканей. Кроме того, нарушение НЕТ и деградация ecDNA в результате деоксирибонуковой

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… Nevertheless, components of NETs released into extracellular space can be recognized as auto-antigens, potentially triggering an inflammatory response and disrupting self-tolerance [ 29 ]. …

Sclerotic prostate cancer bone metastasis: woven bone lesions with a twist.

Bone metastases are the most severe and prevalent consequences of prostate cancer (PC), affecting more than 80% of patients with advanced PC. PCBMs generate pain, pathological fractures, and paralysis. As modern therapies increase survival, more patients are suffering from these catastrophic consequences. Radiographically, PCBMs are predominantly osteosclerotic, but the mechanisms of abnormal bone formation and how this pathological increase in bone density is related to fractures are unclear. In this study, we conducted a comprehensive analysis on a cohort of 76 cadaveric PCBM specimens and 1

Calcium Signalling in Breast Cancer Associated Bone Pain.

Calcium (Ca2+) is involved as a signalling mediator in a broad variety of physiological processes. Some of the fastest responses in human body like neuronal action potential firing, to the slowest gene transcriptional regulation processes are controlled by pathways involving calcium signalling. Under pathological conditions these mechanisms are also involved in tumoral cells reprogramming, resulting in the altered expression of genes associated with cell proliferation, metastatisation and homing to the secondary metastatic site. On the other hand, calcium exerts a central function in nocicepti

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… The extracellular space is the primary source of Ca 2+ to replenish the intracellular stores and to maintain the intracellular basal calcium concentration. … PMCA Plasma-membrane Ca 2+ -ATPase (PMCA)s are the main high-affinity Ca 2+ pumps in neuronal cells responsible for its extrusion to the extracellular space and are therefore important for a fast restore of calcium concentration after intracellular Ca 2+ rise, together with other mechanisms like Na …

Усиление ремиэлизации в множестве склероза через M1 Muscarinic ацетилхолиновый рецептор.

Растет распространенность склероза (MS), однако по-прежнему требуется лечение, способное обратить вспять прогресс в развитии болезни. Одна из стратегий, которая продемонстрировала многообещающее изменение режима MS, заключается в воспрещении рецептора M1 — члена семейства мускаринических ацетилхолинов (mAChR). Считается, что антагонизм M1 mAChR является механизмом, с помощью которого Клемастин, развивающийся препарат, который был замечен в целях усиления миелинизации в исследованиях животных и клинических испытаниях этапа II, вызывает его эффект, стимулирующий миелинацию. Недавние исследования

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… To restore Ca 2+ concentrations in the endoplasmic reticulum (ER), the cell uses a process known as store-operated calcium entry (SOCE) to pump Ca 2+ from the extracellular space into the cell. …

From undruggable to degradable: A deep learning-enabled framework for precision orthopaedic protein degradation.

BACKGROUND/OBJECTIVE: A fundamental translational impasse in musculoskeletal disorders-from osteoarthritis to bone metastases-is the "undruggability" of critical pathological drivers sequestered within anatomically restricted and avascular skeletal niches. While Targeted Protein Degradation (TPD) offers a revolutionary event-driven modality to eradicate these refractory targets, its clinical translation to orthopaedics is severely hindered by the physicochemical incompatibility of large degraders with dense extracellular matrices and the scarcity of bone-specific E3 ligases. METHODS: In this

Hepatic amyloidosis in a patient with chronic liver failure: A case report.

BackgroundAmyloidosis is a rare disorder that can be classified into various types, and the most common type is the systemic light chain type. The prognosis of this disease is extremely poor. In general, amyloidosis mainly affects the kidneys and heart and manifests as abnormal proliferation of clonal plasma cells. Cases in which the liver is the primary organ affected by amyloidosis, as in this report, are less common in clinical practice.Case summaryA 62-year-old man was admitted with persistent liver dysfunction of unknown cause and poor treatment outcomes. His condition persisted, and he d

Целенаправленная деградация белка разрушает ненаркомные цели, чтобы обратить вспять иммунное уклонение и терапию устойчивости к раку.

Таргетированная деградация белков (ТД) использует эндогенные протеолитические системы — систему убиквина и протеасомы и лизосомальные пути — для селективного удаления белков, вызывающих болезни, которые не реагируют на традиционное ингибирование. В онкологической иммунотерапии ТД разрушает критические иммунодепрессивные узлы в экзоцитоплазматическом, мембранном и цитоплазматическом компартментах, перепрограммируя микросреду опухоли от иммунологически «холодной» к «горячей» состоянию. Эта статья рассматривает молекулярные принципы инженерии бифункциональных деградаторов и обобщает клинические д

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… Extracellular targets can be further classified into three subtypes according to their origin: proteins directly secreted into the extracellular space, such as transforming growth factor-beta (TGF-β) and thyroid stimulating hormone (TSH); membrane proteins shed after proteolytic cleavage, such as soluble …

Advanced Diagnostic Techniques

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… Fibronexus Cell-to-matrix structure composed of fibronectin filaments in the extracellular space and subplasmalemmal plaques with intracellular smooth muscle myofilaments. Difficult to observe in formalin-fixed tissues. Myofibroblastic tumors. …

The γ-secretase complex: from discovery to a therapeutic target.

γ-Secretase is an intricate intramembrane aspartyl protease that cleaves within the transmembrane domain of ∼150 substrates and is considered the 'proteasome of the membrane'. This enzyme consists of four different subunits, with presenilin being the catalytic subunit. This review provides a brief overview of γ-secretase as a proteolytic enzyme, from its biochemistry and biology to its roles in disease and potential as a therapeutic target. A detailed discussion on the discovery and structure of γ-secretase is followed by a survey of its substrates, including the most studied amyloid precursor

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… The remaining membrane-bound Notchβ (Nβ) is further trimmed by γ-secretase to release smaller Nβs into the extracellular space. … The shorter Aβ are released into the extracellular space, while tri-/tetra-peptides are released into the cytoplasm. …