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Menstrual blood closely resembles the uterine immune micro-environment and is clearly distinct from peripheral blood.

STUDY QUESTION: Is menstrual blood a suitable source of endometrial derived lymphocytes? SUMMARY ANSWER: Mononuclear cells isolated from menstrual samples (menstrual blood mononuclear cells (MMC)) are clearly distinct from peripheral blood mononuclear cells (PBMC) and show a strong resemblance with biopsy-derived endometrial mononuclear cells. WHAT IS KNOWN ALREADY: A critical event in the onset of pregnancy is the implantation of the embryo in the uterine wall. The immune cell composition in the endometrium at the time of implantation is considered pivotal for success. Despite advancing kno

Hesperidin enhances broiler growth performance by augmenting gastric acid secretion via the proton pump pathway.

Hesperidin exhibits promising potential as a feed additive for augmenting gastric acid secretion in animals. Gastrointestinal function is essential for animal growth and the efficient digestion of dietary nutrients, with gastric acid secretion serving as one of its critical components. The secretion of gastric acid, together with other digestive fluids and substances, significantly influences the digestion and absorption of animal feed, which in turn affects growth performance. However, there is limited research regarding the application of hesperidin as a feed additive to enhance gastric acid

Mitochondrial-dependent apoptosis in Huntington's disease human cybrids.

We investigated the involvement of mitochondrial-dependent apoptosis in Huntington's disease (HD) vs. control (CTR) cybrids, obtained from the fusion of human platelets with mitochondrial DNA-depleted NT2 cells, and further exposed to 3-nitropropionic acid (3-NP) or staurosporine (STS). Untreated HD cybrids did not exhibit significant modifications in the activity of mitochondrial respiratory chain complexes I-IV or in mtDNA sequence variations suggestive of a primary role in mitochondrial susceptibility in the subpopulation of HD carriers studied. However, a slight decrease in mitochondrial m

NF-kappa B is a central regulator of the intestinal epithelial cell innate immune response induced by infection with enteroinvasive bacteria.

Human intestinal epithelial cells up-regulate the expression of an inflammatory gene program in response to infection with a spectrum of different strains of enteroinvasive bacteria. The conserved nature of this program suggested that diverse signals, which are activated by enteroinvasive bacteria, can be integrated into a common signaling pathway that activates a set of proinflammatory genes in infected host cells. Human intestinal epithelial cell lines, HT-29, Caco-2, and T84, were infected with invasive bacteria that use different strategies to induce their uptake and have different intrace

[Mechanism of kynurenine 3-monooxygenase inhibitor GSK180 in alleviating trauma-induced sepsis-induced acute kidney injury in rats].

OBJECTIVE: To investigate the protective effect of kynurenine 3-monooxygenase (KMO) inhibitor GSK180 against trauma-induced sepsis (TIS)-induced acute kidney injury (AKI) and to explore its underlying mechanism. METHODS: Male SPF healthy Sprague-Dawley (SD) rats were randomly divided into groups using a random number table. (1) A normal control group, a sham-operated (Sham) group, and TIS groups at 12, 24, and 48 hours were established, and 6 surviving rats were finally retained in each group for statistical analysis. The normal control group received no treatment. The Sham group was subjecte

The effects of 1 alpha,25-dihydroxyvitamin D(3) on matrix metalloproteinase and prostaglandin E(2) production by cells of the rheumatoid lesion.

INTRODUCTION: 1alpha,25-dihydroxyvitamin D(3)[1alpha,25(OH)(2)D(3)], the biologically active metabolite of vitamin D3, acts through an intracellular vitamin D receptor (VDR) and has several immunostimulatory effects. Animal studies have shown that production of some matrix metalloproteinases (MMPs) may be upregulated in rat chondrocytes by administration of 1alpha,25(OH)(2)D(3); and cell cultures have suggested that 1alpha,25(OH)(2)D(3) may affect chondrocytic function. Discoordinate regulation by vitamin D of MMP-1 and MMP-9 in human mononuclear phagocytes has also been reported. These data s

Clinical symptoms, signs and tests for identification of impending and current water-loss dehydration in older people.

BACKGROUND: There is evidence that water-loss dehydration is common in older people and associated with many causes of morbidity and mortality. However, it is unclear what clinical symptoms, signs and tests may be used to identify early dehydration in older people, so that support can be mobilised to improve hydration before health and well-being are compromised. OBJECTIVES: To determine the diagnostic accuracy of state (one time), minimally invasive clinical symptoms, signs and tests to be used as screening tests for detecting water-loss dehydration in older people by systematically reviewin

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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… The lowered pH of intracellular fluids disturbs cellular functions based on enzymatic activities [ 32 , 37 , 48 , 61 , 66 , 67 ]. … Two major systems participate in the attempts of the cells to prevent from intracellular acidification: (1) the pH buffering system in the intracellular fluid and (2) the extrusion system of acids (protons) from the intracellular fluid to the extracellular space. 6.2. pH Buffering Systems in the Intracellular …

Molecular and physical technologies for monitoring fluid and electrolyte imbalance: A focus on cancer population.

Several clinical examinations have shown the essential impact of monitoring (de)hydration (fluid and electrolyte imbalance) in cancer patients. There are multiple risk factors associated with (de)hydration, including aging, excessive or lack of fluid consumption in sports, alcohol consumption, hot weather, diabetes insipidus, vomiting, diarrhea, cancer, radiation, chemotherapy, and use of diuretics. Fluid and electrolyte imbalance mainly involves alterations in the levels of sodium, potassium, calcium, and magnesium in extracellular fluids. Hyponatremia is a common condition among individuals

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… intracellular fluid ion selective electrodes interstitial fluid mass spectrometry phase angle parathyroid hormone resistance receptor activator of nuclear factor‐κB ligand reactance reference electrode Na + ‐binding benzofuran isophthalate osmolality syndrome of inappropriate antidiuretic … Electrolyte concentrations in various bodily fluids are shown in Table 2. 36 , 37 Having the right concentrations of these electrolytes is important for maintaining fluid balance among the intracellular fluid (ICF) and extracellular fluid (ECF) compartments. …

Yoda1 Enhanced Low-Magnitude High-Frequency Vibration on Osteocytes in Regulation of MDA-MB-231 Breast Cancer Cell Migration.

Low-magnitude (≤1 g) high-frequency (≥30 Hz) (LMHF) vibration has been shown to enhance bone mineral density. However, its regulation in breast cancer bone metastasis remains controversial for breast cancer patients and elder populations. Yoda1, an activator of the mechanosensitive Piezo1 channel, could potentially intensify the effect of LMHF vibration by enhancing the mechanoresponse of osteocytes, the major mechanosensory bone cells with high expression of Piezo1. In this study, we treated osteocytes with mono- (Yoda1 only or vibration only) or combined treatment (Yoda1 and LMHF vibration)

Сигналы лимфоцита соответствуют клиническим фенотипам аутоиммунного лимфатического энцефалита.

Аутоиммунный лимфатический энцефалит - это воспалительное состояние, ограниченное лимбической системой мозга, которая считается результатом дисрегулируемой иммунной реакции. Вместе с тем конкретные патофизиологические механизмы по-прежнему остаются труднодостижимыми. Диагноз аутоиммунного лимбового энцефалита в настоящее время основывается на критериях клинического консенсуса. Однако диагностический анализ может быть непростым, что может задержать начало лечения, связанного с плохими клиническими результатами. Мы ретроспективно идентифицировали 640 пациентов (81 аутоиммунный лимфатический энце

Characterization of Belantamab Mafodotin-Induced Corneal Changes in Patients With Multiple Myeloma.

IMPORTANCE: Ocular surface events are a class effect of microtubule-inhibitor payload-containing antibody-drug conjugates (ADCs); the mechanism underlying these events has not been fully elucidated. OBJECTIVE: To characterize corneal epithelial changes in patients with relapsed or refractory multiple myeloma (RRMM) treated with belantamab mafodotin, a maleimidocaproyl monomethyl auristatin-F (MMAF)-containing ADC. DESIGN, SETTING, AND PARTICIPANTS: This multicenter, phase 3b case series study was conducted in the US from March 26, 2020, to November 21, 2022, among adults with RRMM. Data were

Disorders of the Gastrointestinal System

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Emerging therapies for autosomal dominant polycystic kidney disease with a focus on cAMP signaling.

Autosomal dominant polycystic kidney disease (ADPKD), with an estimated genetic prevalence between 1:400 and 1:1,000 individuals, is the third most common cause of end stage kidney disease after diabetes mellitus and hypertension. Over the last 3 decades there has been great progress in understanding its pathogenesis. This allows the stratification of therapeutic targets into four levels, gene mutation and polycystin disruption, proximal mechanisms directly caused by disruption of polycystin function, downstream regulatory and signaling pathways, and non-specific pathophysiologic processes sha

The Mechanisms of Altered Blood-Brain Barrier Permeability in CD19 CAR T-Cell Recipients.

Cluster of differentiation 19 (CD19) chimeric antigen receptor (CAR) T cells are a highly effective immunotherapy for relapsed and refractory B-cell malignancies, but their utility can be limited by the development of immune effector cell-associated neurotoxicity syndrome (ICANS). The recent discovery of CD19 expression on the pericytes in the blood-brain barrier (BBB) suggests an important off-target mechanism for ICANS development. In addition, the release of systemic cytokines stimulated by the engagement of CD19 with the CAR T cells can cause endothelial activation and decreased expression

Role of lysophosphatidic acid and its receptors in health and disease: novel therapeutic strategies.

Lysophosphatidic acid (LPA) is an abundant bioactive phospholipid, with multiple functions both in development and in pathological conditions. Here, we review the literature about the differential signaling of LPA through its specific receptors, which makes this lipid a versatile signaling molecule. This differential signaling is important for understanding how this molecule can have such diverse effects during central nervous system development and angiogenesis; and also, how it can act as a powerful mediator of pathological conditions, such as neuropathic pain, neurodegenerative diseases, an

Rhabdomyolysis secondary to COVID-19 infection and vaccination: a review of literature.

Rhabdomyolysis (RML), characterized by the breakdown of skeletal muscle fibers and the release of muscle contents into the bloodstream, has emerged as a notable complication associated with Coronavirus disease 2019 (COVID-19) infection and vaccination. Studies have reported an increased incidence of RML in individuals with severe COVID-19 infection. However, the exact mechanisms remain unclear and are believed to involve the host's immune response to the virus. Furthermore, RML has been documented as a rare adverse event following COVID-19 vaccination, particularly with mRNA vaccines. Proposed

Beyond fluid overload: uncovering the hidden causes of dyspnea in hemodialysis patients.

BACKGROUND: Shortness of breath is a common and complex symptom in patients with advanced kidney failure treated with hemodialysis. It may result from excess fluid accumulation, cardiac dysfunction, or impaired lung performance. We studied the interactions between hydration status, pulmonary function, and muscle strength. METHODS: This cohort study included 29 patients on maintenance hemodialysis. Each participant underwent lung function testing, diffusing capacity for carbon monoxide measurement, handgrip strength assessment, body composition analysis by bioimpedance, echocardiography, and l

CAR T клеточная терапия в неврологических расстройствах, вызванных автоантибиозами: многообещающая стратегия.

Клеточная терапия химерного антигенного рецептора (CAR) Т становится перспективным подходом к неврологическим аутоиммунным расстройствам на базе клеток B, особенно тем, которые характеризуются патогенными автоантиорганизмами, направленными на ключевые нейронные структуры. Эти заболевания, включая расстройство спектрального спектра нейромиелита, миастения гравис, синдром Ламберта-Итона миастеника, болезнь, связанная с антителами MOG, энцефалит рецептора против NMDA, диацилглицирол губазы альфа антитела, ассоциируемый с энцефалитом, синдромом жесткого человека и множественным склерозом, могут бы

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