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Protein-Mediated Virulence in Mycobacterium tuberculosis.

The pathogenic potential of Mycobacterium tuberculosis (Mtb), the etiological agent of tuberculosis, is attributable primarily to its complex and highly specialized repertoire of molecular determinants, comprising both proteins and lipids. These virulence factors operate synergistically to facilitate evasion of host immune defenses, establish persistent infection, and sustain prolonged survival within the host environment, often for months or even years. These factors can be systematically classified according to their functional roles, molecular composition, and spatial localization within or

Аутоиммунные реакции на белки, связанные с миелином, в качестве диагностических и прогнозирующих биомаркеров релапсирующего многократного склероза: ассоциации с герпесвирусом-6 и вирусом Эпштейн-Барр.

патогенез релапсирующего многократного склероза (RRMS) связан с аутоиммунными атаками миелиновых белков и возобновлением вируса Эпштейн-Барр (EBV) и человеческого герпесвируса 6 (HV-6). Однако связь между вирусными реактивными и аутоиммунными биомаркерами остается неясной. ЦЕЛИ: Изучение ответов иммуноглобулина (Ig)G/IgA/IgM на белки, связанные с миелином, совместно с EBV и HHV-6 репликационные маркеры в RRMS.Мы наняли 55 пациентов с RRMS и 63 здоровыми средствами контроля и провели оценку ответов IgG/IgA/IgM по семи компонентам, связанным с миелином, а также по EBV с применением ядерного анти

Oxidative Stress Linking Obesity and Cancer: Is Obesity a 'Radical Trigger' to Cancer?

Obesity is on the rise worldwide, and consequently, obesity-related non-communicable diseases are as well. Nutritional overload induces metabolic adaptations in an attempt to restore the disturbed balance, and the byproducts of the mechanisms at hand include an increased generation of reactive species. Obesity-related oxidative stress causes damage to vulnerable systems and ultimately contributes to neoplastic transformation. Dysfunctional obese adipose tissue releases cytokines and induces changes in the cell microenvironment, promoting cell survival and progression of the transformed cancer

Potential Therapeutic Benefits of Maintaining Mitochondrial Health in Peripheral Neuropathies.

BackgroundPeripheral neuropathies are a group of diseases characterized by malfunctioning of peripheral nervous system. Neuropathic pain, one of the core manifestations of peripheral neuropathy remains as the most severe disabling condition affecting the social and daily routine life of patients suffering from peripheral neuropathy.MethodThe current review is aimed at unfolding the possible role of mitochondrial dysfunction in peripheral nerve damage and to discuss on the probable therapeutic strategies against neuronal mitotoxicity. The article also highlights the therapeutic significance of

Final report of the safety assessment of L-Ascorbic Acid, Calcium Ascorbate, Magnesium Ascorbate, Magnesium Ascorbyl Phosphate, Sodium Ascorbate, and Sodium Ascorbyl Phosphate as used in cosmetics.

L-Ascorbic Acid, Calcium Ascorbate, Magnesium Ascorbate, Magnesium Ascorbyl Phosphate, Sodium Ascorbate, and Sodium Ascorbyl Phosphate funct … ea pigs, dogs, and cats demonstrated little toxicity. Ascorbic Acid and Sodium Ascorbate acted as a nitrosation inhibitor in several food and cosmetic product studies. No compound-related clinical signs or gross or microscopic pathological effects were observed in either mice, rats, or guinea pigs in short-term studies. Male guinea pigs fed a control basal di …

Drug-Drug Interactions of Cannabidiol with Standard-of-Care Chemotherapeutics.

Cannabidiol (CBD) is an easily accessible and affordable Marijuana (Cannabis sativa L.) plant derivative with an extensive history of medical use spanning thousands of years. Interest in the therapeutic potential of CBD has increased in recent years, including its anti-tumour properties in various cancer models. In addition to the direct anticancer effects of CBD, preclinical research on numerous cannabinoids, including CBD, has highlighted their potential use in: (i) attenuating chemotherapy-induced adverse effects and (ii) enhancing the efficacy of some anticancer drugs. Therefore, CBD is ga

Impact of Alterations in Homocysteine, Asymmetric Dimethylarginine and Vitamins-Related Pathways in Some Neurodegenerative Diseases: A Narrative Review.

Hyperhomocysteinemia (HHcy) influences the development and progression of neurodegenerative disorders in different ways. Homocysteine (Hcy) metabolism is related to that of asymmetric dimethylarginine (ADMA) and group B vitamins. The breakdown of the pathway involving nitric oxide (NO) and ADMA can be considered one of the causes of endothelial alteration that represents a crucial step in the development of several neurodegenerative disorders. Deficiencies of vitamins other than group B ones, such as D and A, have also been associated with central nervous system disorders. The aim of this narr

Acute hepatic encephalopathy presenting as cortical laminar necrosis: case report.

We report on a 55-year-old man with alcoholic liver cirrhosis who presented with status epilepticus. Laboratory analysis showed markedly elevated blood ammonia. Brain magnetic resonance imaging (MRI) showed widespread cortical signal changes with restricted diffusion, involving both temporo-fronto-parietal cortex, while the perirolandic regions and occipital cortex were uniquely spared. A follow-up brain MRI demonstrated diffuse cortical atrophy with increased signals on T1-weighted images in both the basal ganglia and temporal lobe cortex, representing cortical laminar necrosis. We suggest th

Метформин репурируется в неврологических расстройствах: клинический экспериментальный ландшафт.

КОЛИЧЕСТВО: Неврологические расстройства, такие, как болезнь Альцгеймера (AD) и множественный склероз (MS), предполагают постепенную потерю нервных клеток, а текущее лечение в основном обеспечивает симптоматическое облегчение без остановки развития болезни. Для устранения этого пробела перспективным подходом является перерасчет лекарств. Метформин, широко используемый пероральный антидиабетический препарат, изучается в случае расстройств центральной нервной системы (СНС) в силу его множественных последствий, включая активацию аденосинового монофосфата, активирующего белковую киназу (АМПК), под

Charting the Current Landscape and Future Prospects of Cancer Therapy-Related Cardiovascular Toxicity in Cancer Survivors: From Bench to Bedside.

Cardio-oncology represents an emerging interdisciplinary discipline focusing on optimizing oncologic efficacy while mitigating treatment-related cardiovascular complications. The advent of novel anticancer agents such as targeted therapies, immune checkpoint inhibitors, and endocrine therapies has transformed cancer care, significantly improving survival rates. Nevertheless, prolonged patient survivorship has unmasked clinically significant cardiovascular sequelae, termed cancer therapy-related cardiovascular toxicity (CTR-CVT), which manifests as acute manifestations during therapy and delaye

Нацеливание на природные полифенолы антиоксидантов в целях защиты от нейроинфламмации и нейродегенеративных заболеваний: всеобъемлющий обзор.

Полифенолы, природные фитонутриенты, встречающиеся в растительных продуктах питания, привлекли значительное внимание к их потенциальному терапевтическому воздействию в неврологических заболеваниях и нейроинфламмации. Эти соединения обладают различными возможностями нейрозащиты, включая антиоксидантные, антивоспалительные и антиамильоидные свойства, которые способствуют смягчению развития таких нейродегенеративных заболеваний, как болезнь Альцгеймера (AD), болезнь Паркинсона (PD), деменция, множественный склероз (MS), Строк и болезнь Хантингтона (HD). Полифенолы были тщательно изучены на предме

A REVIEW OF SALIVARY BIOMARKERS OF PERIODONTAL DISEASE.

BackgroundPeriodontal disease is a complex multifactorial disease resulting from the interplay amongst microbiota, host immune response (influenced by genetic make-up) and lifestyle factors. The chronic inflammatory nature of the disease results in the destruction of the component of the periodontium. The process of the disease is associated with inflammation, collagen degradation and, bone loss which correlate with clinical features of periodontal disease. The clinical diagnosis of periodontal disease entails clinical examination involving the evaluation of probing depth, bleeding on probing,

Implications of Systemic Inflammation and Periodontitis for Major Depression.

Increasing evidence suggests that infection and persistent low-grade inflammation in peripheral tissues are important pathogenic factors in major depression. Major depression is frequently comorbid with systemic inflammatory diseases/conditions such as rheumatoid arthritis, allergies of different types, multiple sclerosis, cardiovascular disease, inflammatory bowel disease, chronic liver disease, diabetes, and cancer, in which pro-inflammatory cytokines are overexpressed. A number of animal studies demonstrate that systemic inflammation induced by peripheral administration of lipopolysaccharid

Effects of three flavonoids from an ancient traditional Chinese medicine Radix puerariae on geriatric diseases.

As the worldwide population ages, the morbidity of neurodegenerative, cardiovascular, cerebrovascular, and endocrine diseases, such as diabetes and osteoporosis, continues to increase. The etiology of geriatric diseases is complex, involving the interaction of genes and the environment, which makes effective treatment challenging. Traditional Chinese medicine, unlike Western medicine, uses diverse bioactive ingredients to target multiple signaling pathways in geriatric diseases. Radix puerariae is one of the most widely used ancient traditional Chinese medicines and is also consumed as food. T

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… In addition to insulin resistance, aging may increase the susceptibility of diabetes mellitus because of increased inducible NOS (iNOS) expression, and S-nitrosation of the insulin receptor substrate-1, or the activation of AKT/PKB in skeletal muscle.[ 15 47 ] Both diabetes itself and its related complications … myocardial ischemia via regulating P2X3 receptor in rat superior cervical ganglia Neurochem Int 2014 70 39 49 24657446 10.1016/j.neuint.2014.03.004 15 Ropelle ER Pauli JR Cintra DE da Silva AS De Souza CT Guadagnini D Targeted disruption of inducible nitric oxide synthase protects against aging, S-nitrosation …

Endothelial activation and stress index is a reliable predictor for the prevalence and mortality outcomes of stroke.

The endothelial activation and stress index (EASIX) can predict endothelial intricacies as well as survival in distinct clinical circumstances. Accordingly, we hypothesize that EASIX may also serve as a predictor for stroke prevalence and mortality outcomes-all-cause mortality (ACM) and cardiovascular mortality (CVM) due to stroke. To validate our hypothesis, we deployed the National Health and Nutrition Examination Survey data. This cohort study employed 1999-2018 NHANES data. To evaluate EASIX effects on stroke risk, weighted logistic regression models were deployed. Meanwhile, we utilized t

Гут Микробиом и мальгический энцефаломилит/хронический синдром утомления (ME/CFS): Понимание механизмов борьбы с заболеваниями.

Myalgic Encephalomyelitis/Chronic Fatige (ME/CFS) — клиническая болезнь, характерная особенность которой заключается в постэкспертальной болезни (PEM). Она может влиять на многие органы и системы, что приводит к серьезному ухудшению качества жизни пациентов. Несмотря на многочисленные постинфекционные, иммунологические, неврологические, метаболические и эндокринные изменения, не существует ни окончательного диагностического маркера, ни утвержденного лечения. Этиология и патофизиология по-прежнему не до конца понимаются; однако появляющиеся данные свидетельствуют о том, что кишечная микробиомия

Окисляющий стресс и воспаление в патогенезе неврологических расстройств: механизмы и последствия.

Нейрозащита — это активный подход к защите нервной системы, включая мозг, спинной мозг и периферийные нервы, путем предотвращения или ограничения повреждения нервных клеток и других компонентов. Она защищает центральную нервную систему от повреждений от острых и прогрессивных нейродегенеративных расстройств. Окисляющий стресс, дисбаланс между естественными механизмами защиты тела и образованием реактивных видов кислорода, имеет решающее значение для развития неврологических расстройств. Из-за высокой скорости метаболизма и потребления кислорода мозг особенно уязвим к окисляющему стрессу. Чрезм

Стратегия выбора субстрата, взаимно исключающаяся, у человека m3C RNA трансферазы METTL2A и METTL6.

tRNAs содержат наиболее разнообразные посттранскрипционные модификации. 3-метилцитидин (m3C) широко распределяется на позиции C32 (m3C32) у эукариотических tRNAThr и tRNASer. m3C32 модифицируется единственным метилтрансферазой Trm140 у дрожжей-попыток; однако для его биогенеза участвуют два (Trm140 и Trm141 у деления дрожжей) или три энзима (METTL2A, METTL2B и METTL6 у млекопитающих). До сих пор неизвестно обоснование существования нескольких метилтрансфераз m3C32 и их механизм дифференциации по субстрату. Здесь мы обнаружили, что оба METTL2A и METTL2B выражены в живых организмах. Мы выделили

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… Nitrosative stress inhibits aminoacylation and editing activities of mitochondrial threonyl-tRNA synthetase by S-nitrosation . Nucleic Acids Res. 2020 ; 48 : 6799 – 6810 . 32484546 10.1093/nar/gkaa471 PMC7337905 26. Chen Y. , Ruan Z.R. , Wang Y. , Huang Q. , Xue M.Q. , Zhou X.L. , Wang E.D. …

Safety and efficacy of low-dose intravenous arsenic trioxide in systemic lupus erythematosus: an open-label phase IIa trial (Lupsenic).

BackgroundLupus animal model has shown that arsenic trioxide (ATO), a treatment of acute promyelocytic leukaemia, could be effective in SLE. This is the first clinical study to determine the safety and efficacy of a short course of intravenous ATO in patients with active SLE.MethodsThis phase IIa, open-label, dose-escalating study enrolled 11 adult SLE patients with a non-organ threatening disease, clinically active despite conventional therapy. Patients received 10 IV infusions of ATO within 24 days. The first group received 0.10 mg/kg per injection, with dose-escalating to 0.15 mg/kg in a se

Targeting Oxidative Stress as a Therapeutic Approach for Idiopathic Pulmonary Fibrosis.

Idiopathic pulmonary fibrosis (IPF) is a chronic interstitial lung disease characterized by an abnormal reepithelialisation, an excessive tissue remodelling and a progressive fibrosis within the alveolar wall that are not due to infection or cancer. Oxidative stress has been proposed as a key molecular process in pulmonary fibrosis development and different components of the redox system are altered in the cellular actors participating in lung fibrosis. To this respect, several activators of the antioxidant machinery and inhibitors of the oxidant species and pathways have been assayed in precl