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1.
Artigo em Inglês | MEDLINE | ID: mdl-39297472

RESUMO

Pimples, blackheads, whiteheads, etc., are common types of acne that pop up on the skin each time, whenever dead cells and oils obstruct the outgrowth of hair from the hair follicle. It is very common to observe this condition in teenagers, but regardless of age, if the causing condition is met, acne can occur at any point in life. The characteristic feature of all types of acne is it starts with inflammation of the skin. These inflammatory marks (like black spots, pores, small scars, etc.) leave behind even when acne disappears. Plants like vegetables and flowers are naturally rich in different types of polyphenolic compounds called flavonoids. These flavonoids have various key functions, from guiding cell movement to maintaining oxidative pressure in the body. In this study, we discuss six types of flavonoids that have the potential to be used as med-icine for the treatment of different kinds of skin breakouts. Moreover, the result of molecular docking of different proteins that have an association with acne is also discussed.

2.
bioRxiv ; 2024 Jun 16.
Artigo em Inglês | MEDLINE | ID: mdl-38915542

RESUMO

Angiogenesis plays a vital role for postnatal development and tissue repair following ischemia. Reactive oxygen species (ROS) generated by NADPH oxidases (NOXes) and mitochondria act as signaling molecules that promote angiogenesis in endothelial cells (ECs) which mainly relies on aerobic glycolysis for ATP production. However, the connections linking redox signaling with glycolysis are not well understood. The GTPase Drp1 is a member of the dynamin superfamily that moves from cytosol to mitochondria through posttranslational modifications to induce mitochondrial fission. The role of Drp1 in ROS-dependent VEGF signaling and angiogenesis in ECs has not been previously described. Here, we identify an unexpected function of endothelial Drp1 as a redox sensor, transmitting VEGF-induced H 2 O 2 signals to enhance glycolysis and angiogenesis. Loss of Drp1 expression in ECs inhibited VEGF-induced angiogenic responses. Mechanistically, VEGF rapidly induced the NOX4-dependent sulfenylation (CysOH) of Drp1 on Cys 644 , promoting disulfide bond formation with the metabolic kinase AMPK and subsequent sulfenylation of AMPK at Cys 299 / 304 via the mitochondrial fission-mitoROS axis. This cysteine oxidation of AMPK, in turn, enhanced glycolysis and angiogenesis. In vivo , mice with EC-specific Drp1 deficiency or CRISPR/Cas9-engineered "redox-dead" (Cys to Ala) Drp1 knock-in mutations exhibited impaired retinal angiogenesis and post-ischemic neovascularization. Our findings uncover a novel role for endothelial Drp1 in linking VEGF-induced mitochondrial redox signaling to glycolysis through a cysteine oxidation-mediated Drp1-AMPK redox relay, driving both developmental and reparative angiogenesis.

3.
Artigo em Inglês | MEDLINE | ID: mdl-38721791

RESUMO

Eczema is a systemic autoimmune disease characterized by inflammation and skin manifestation with a range of comorbidities that include physical and psychological disorders. Despite recent advancements in understanding the mechanisms involved in atopic dermatitis, current marketed products have shown varying results with more side effects. The present objective of the research studies is to develop new agents for eczema that cut down the cost of the novel drugs available and also improve the efficacy with the least adverse effects. Natural compounds and medicinal plants have been traditionally used since ancient civilizations. Nowadays, research in the herbal field is at its peak. One such natural compound, flavonoid, was found to be beneficial for the treatment of eczema. This review describes the use of certain flavonoid products to prepare preparations suitable for the treatment of prophylaxis or eczema. This is especially true for prophylaxis or atopic eczema treatment. These compounds exhibit anti-inflammatory, anti-inflammatory, anti-inflammatory, and anti-inflammatory properties and are, therefore, used in treatments to prevent allergies, inflammation, and irritation to the skin. We also dock the flavonoid derivatives used with the protein associated with the inhibition of eczema for better lead optimization. These preparations appear to be used for cosmetic, dermatological, or herbal remedies as a local application.


Assuntos
Anti-Inflamatórios , Produtos Biológicos , Eczema , Flavonoides , Humanos , Flavonoides/uso terapêutico , Flavonoides/farmacologia , Anti-Inflamatórios/uso terapêutico , Anti-Inflamatórios/farmacologia , Animais , Eczema/tratamento farmacológico , Eczema/prevenção & controle , Produtos Biológicos/uso terapêutico , Produtos Biológicos/farmacologia , Dermatite Atópica/tratamento farmacológico , Dermatite Atópica/prevenção & controle , Plantas Medicinais/química
4.
Curr Radiopharm ; 17(4): 330-340, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38571350

RESUMO

Malignant tumors pose a significant threat to human life and well-being because of their rising occurrence and size. The current treatment methods and diagnostic techniques employed in clinical practice are inadequate for effectively treating tumors. Fluorescence, photothermal effects, radiosensitization, and biocompatibility are only a few instances of the unique photonic and physicochemical properties exhibited. Gold nanoclusters (AuNCs) are nanomaterials that possess modest dimensions, typically measuring approximately 3 nm, and are composed of a limited number of particles. AuNCs have three primary functions in practical applications: serving as imaging agents, drug transporters, and therapeutic agents. This article discusses nanosystems. The text emphasizes the promise of AuNCs for tumor theranostic and combination treatment while also acknowledging any existing limitations. Lastly, it is anticipated that the information presented here will serve as a valuable tool for researchers in this sector, resulting in novel perspectives and, ultimately, a wider adoption of AuNCs in pharmaceuticals. This study focuses on the expansion of diagnostic applications in cancer therapy by utilizing AuNC-based devices, made possible by the use of dynamic or passive tumor targeting techniques. The utilization of AuNCs has been thoroughly investigated for their prospective applicability as light-activated and radiation agents. Furthermore, they have been investigated as nanocarriers for transporting anticancer drugs. The medications can either bind to the closure receptor or be linked to the AuNCs through various techniques, showcasing their extensive potential for therapeutic applications.


Assuntos
Ouro , Nanopartículas Metálicas , Neoplasias , Medicina de Precisão , Nanomedicina Teranóstica , Ouro/química , Humanos , Nanomedicina Teranóstica/métodos , Neoplasias/diagnóstico por imagem , Nanopartículas Metálicas/química , Terapia Combinada , Microambiente Tumoral
5.
Artigo em Inglês | MEDLINE | ID: mdl-38566386

RESUMO

Wound healing is crucial for maintaining skin integrity and preventing complications from external threats. Various plants, such as Achillea millefolium, Aloe vera, Curcuma longa, Calendula officinalis, Camellia sinensis, Azadirachta indica, and Plantago, have demonstrated wound healing capabilities and have been used in herbal medicine for wound care. NLCs are second-generation lipid nanoparticles, blending solid and liquid lipids to improve medication loading and limit leakage. NLCs have been used in various applications, including cosmeceuticals, chemotherapy, gene therapy, and brain targeting. Wound healing is divided into four stages: hemostasis, inflammatory response, proliferation, and remodeling. Factors such as age, gender, chronic disorders, and local agents like infections can affect recovery. These plants' antiinflammatory, antioxidant, and antibacterial activities have demonstrated potential in wound healing. Combining herbal medicinal plants and nanostructured lipid carriers (NLCs) can revolutionise wound treatment and improve overall healthcare outcomes.

6.
Int J Pharm ; 656: 124092, 2024 May 10.
Artigo em Inglês | MEDLINE | ID: mdl-38583820

RESUMO

Corneal collagen crosslinking (CXL) is an effective method to halt the disease progression of keratoconus, a progressive corneal dystrophy leading to cone shaped cornea. Despite the efficacy of standard protocol, the concerning step of this procedure is epithelial debridement performed to facilitate the entry of riboflavin drug. Riboflavin, a key molecule in CXL protocol, is a sparsely permeable hydrophilic drug in corneal tissues. The present study has employed cell penetrating peptide (CPP), Tat2, to enhance the penetration of riboflavin molecule, and thereby improve currently followed CXL protocol. This study demonstrates approximately two-fold enhanced uptake of CPP riboflavin conjugate, Tat2riboflavin-5'Phosphate (RiTe conjugate), both in vitro and in vivo. Two different CXL protocols (Epi ON and Epi OFF) have been introduced and implemented in rabbit corneas using RiTe conjugate in the present study. The standard and RiTe conjugate mediated CXL procedures exhibited an equivalent extent of crosslinking in both the methods. Reduced keratocyte loss and no endothelial damage in RiTe conjugate mediated CXL further ascertains the safety of the proposed CXL protocols. Therefore, RiTe conjugate mediated CXL protocols present as potential alternatives to the standard keratoconus treatment in providing equally effective, less invasive and patient compliant treatment modality.


Assuntos
Colágeno , Córnea , Reagentes de Ligações Cruzadas , Ceratocone , Riboflavina , Ceratocone/tratamento farmacológico , Ceratocone/metabolismo , Animais , Coelhos , Colágeno/metabolismo , Riboflavina/farmacologia , Reagentes de Ligações Cruzadas/química , Córnea/metabolismo , Córnea/efeitos dos fármacos , Peptídeos Penetradores de Células , Fármacos Fotossensibilizantes/farmacologia , Fármacos Fotossensibilizantes/uso terapêutico
7.
Recent Adv Antiinfect Drug Discov ; 19(3): 197-215, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38317463

RESUMO

Lymphatic filariasis is an infection caused by parasites that poses a significant health, social, and economic burden, affecting a vast population that exceeds 120 million individuals globally. The Etiology of the infection is attributed to three nematode parasites, namely Wuchereria bancrofti, B. timori, and Brugia malayi, as well as which are phylogenetically related. These parasites are transmitted to humans via mosquitoes belonging to the Anopheles, Aedes genera, and Culex. As per the estimation provided by the WHO, the current number of individuals infected with filariasis stands at approximately 120 million across 81 countries. Furthermore, it is estimated that around 1.34 billion individuals reside in regions that are endemic to filariasis, thereby putting them at risk of contracting the disease. Different synthetic drugs such as Ivermectin, Doxycycline, Albendazole, and Suramin are used in the treatment. Some natural plants are Azadirachta indica, Tinospora cordifolia, Zingiber officinal, as well as, some marine sources are also included for better treatment. We also touch briefly on a few additional filarial diseases. Although there are only a few medications available to treat filariasis, their frequent usage may result in drug resistance. Furthermore, there is no effective vaccination for the treatment of filariasis. Due to these restrictions, it has been crucial to create new anti-filarial medications, which motivates researchers to find novel pharmaceuticals with anti-filarial action. In this article, we examine the latest achievements in the anti-filarial area, including the many forms of filariasis and their historical contexts, elimination programmes, various therapeutic classes (both synthetic and natural), investigated product-derived targets as well as clinical investigations.


Assuntos
Filariose Linfática , Filariose Linfática/epidemiologia , Filariose Linfática/tratamento farmacológico , Filariose Linfática/prevenção & controle , Filariose Linfática/transmissão , Humanos , Animais , Filaricidas/uso terapêutico , Wuchereria bancrofti/efeitos dos fármacos
8.
Infect Disord Drug Targets ; 24(3): e231023222565, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-37873911

RESUMO

BACKGROUND: Alzheimer's disease (AD) is the most common neurological disorder, affecting more than 50 million individuals worldwide and causing gradual but progressive cognitive decline. The rising cost of medical treatment is mostly attributable to AD. There are now mainly a few slightly symptomatic therapeutic options accessible. Although this is not the primary reason, the failure to develop effective treatments for AD is often attributed to the disease's complicated pathophysiology and the wide range of underlying ideas. OBJECTIVE: Studies undertaken over the past decade have aimed to find novel methods of overcoming these barriers and effectively delivering drugs to the central nervous system. As a result, nanotechnology provides a promising alternative to the standard means of administering anti-amyloidosis drugs, enhancing expectations for a successful treatment of Alzheimer's disease. These therapeutic implications of using nanoparticle-based approaches for the treatment of Alzheimer's disease are discussed in this paper. METHODOLOGY: Published articles from PubMed, SciFinder, Google Scholar, ClinicalTrials.org, and the Alzheimer Association reports were carefully examined to compile information on the various strategies for combating AD. That has been studied to summarize the recent advancements and clinical studies for the treatment of Alzheimer's disease (AD). Statistics is the study and manipulation of data, including ways to gather, review, analyze, and draw conclusions from data. CONCLUSION: The biology of the BBB and its processes of penetration must be carefully taken into account while creating DDSs. If we have a better grasp of the disease's mechanism, we might be able to overcome the shortcomings of current treatments for AD. Different DDSs show interesting properties for delivering medication tailored to the brain. This review paper examines the recent applications of DDSs in diverse domains. By selecting the best targeting vectors and optimizing the combination of carriers, multifunctionalized DDS may be produced, and these DDS have a significant impact on AD therapy potential. To develop DDSs with the best therapeutic efficacy and manageable side effects, experts from a variety of fields may need to contribute their efforts. Currently, the therapeutic use of nanotechnology-based DDSs appears to be a promising prospect for AD therapy, and as the pathophysiology of AD is better understood, this strategy will develop over time.


Assuntos
Doença de Alzheimer , Humanos , Doença de Alzheimer/tratamento farmacológico , Sistemas de Liberação de Medicamentos/métodos , Encéfalo
9.
Curr Gene Ther ; 24(2): 94-109, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-37921144

RESUMO

Current regenerative medicine tactics focus on regenerating tissue structures pathologically modified by cell transplantation in combination with supporting scaffolds and biomolecules. Natural and synthetic polymers, bioresorbable inorganic and hybrid materials, and tissue decellularized were deemed biomaterials scaffolding because of their improved structural, mechanical, and biological abilities.Various biomaterials, existing treatment methodologies and emerging technologies in the field of Three-dimensional (3D) and hydrogel processing, and the unique fabric concerns for tissue engineering. A scaffold that acts as a transient matrix for cell proliferation and extracellular matrix deposition, with subsequent expansion, is needed to restore or regenerate the tissue. Diverse technologies are combined to produce porous tissue regenerative and tailored release of bioactive substances in applications of tissue engineering. Tissue engineering scaffolds are crucial ingredients. This paper discusses an overview of the various scaffold kinds and their material features and applications. Tabulation of the manufacturing technologies for fabric engineering and equipment, encompassing the latest fundamental and standard procedures.


Assuntos
Engenharia Tecidual , Alicerces Teciduais , Materiais Biocompatíveis/uso terapêutico , Materiais Biocompatíveis/química , Hidrogéis/uso terapêutico , Hidrogéis/química , Polímeros/química , Engenharia Tecidual/métodos , Alicerces Teciduais/química
10.
South Asian J Cancer ; 12(3): 250-255, 2023 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-38047055

RESUMO

Shikha YadavBackground Chronic diseases require more attention in terms of patient satisfaction due to their physically and mentally exhausting nature. Cancer burden in India for 2021 was 26.7 million disability-adjusted life years (DALYs), and is projected to rise to 29.8 million by 2025. The second most common cause of cancer DALYs among females was cervix uteri (98.6 per 100,000). Evaluation of factors that influence satisfaction can assist in finding solutions to improve the quality of services provided. Methods This study was conducted in the Regional Cancer Centre, Puducherry. One focused group discussion (FGD) was conducted among seven cervical cancer patients and eight key informant interviews (KII) with their healthcare providers (HCPs). The details collected included perceptions of patient satisfaction, difficulties they faced in achieving patient satisfaction, and possible recommendations for improvement. Thematic analysis was done after preparing transcripts. Results The major facilitating factors reported were proper information exchange, the approachability of staff, and assisting patients with transportation concession certificates. Obstacles highlighted by patients included lack of family support, side effects of treatment, inability to do routine work, and long travel time. HCP reported misalignment between and within departments, overworked staff, lack of equipment for smooth telemedicine services, and inadequate space for OPD, counseling, and waiting as barriers to providing satisfactory services to patients. Conclusions Most challenges were attributed to overworked staff, inequitable distribution of cancer center, and patients' knowledge and understanding of disease. Therefore, it is important to make patients aware of the disease, treatment, and value of the quality of life. It can enable them to make better use of resources, in addition to improvements in the health system.

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